title stringlengths 0 901 | abstract stringlengths 3 9.89k | PMID int64 22 25.3M | embedding listlengths 768 768 |
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Benzo[a]pyrene metabolizing activity of cultured cells as determined by a simplified radiometric method. | Benzo[a]pyrene metabolism in various kinds of mammalian cultured cells was measured by a simplified method. Cells growing in the bottom of glass test tubes were treated with 2micron of 14C-benzo[a]pyrene for 24 hr; unmetabolized benzo[a]pyrene was then extracted with organic solvents in the same test tube, and the amou... | 563,825 | [
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Inhibition of gastrin secretion by sulpiride treatment in duodenal ulcer patients. | The serum gastrin response to whole beef extract was measured in 14 duodenal ulcer patients before and after sulpiride administration. A significant inhibition of response was found both after acute intramuscular injection of the drug and after oral administration for 1 week. Fasting serum gastrin was also significantl... | 563,826 | [
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Human triploid embryo: cytogenetic and anatomopathologic study. | A cytogenetic and anatomopathologic study of an embryo of 24 mm crown-rump length showing pure triploidy (69,XXY) is reported. Anomalies such as unilateral genitourinary agenesia, aortic alterations, defects in cerebral development, and anomalies of the chorionic villi were detected. | 563,846 | [
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Effect of hydrocortisone on cell morphology in C6 cells. | Hydrocortisone has been found to induce cell spreading in rat glial C6 cells by 24 hours after its addition. This spreading phenomenon is correlated with an increase in the fraction of the peripheral cytoplasm occupied by microfilaments. Cytochalasin B causes disorganization of microfilaments in the peripheral cytoplas... | 563,867 | [
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Observations on the effects of formaldehyde on cockroaches and their flora: I. Survival of vaccinia virus-infected cockroaches during fumigation with formaldehyde. | In these studies it is shown that the common "British" and "American" adult cockroaches can survive exposure to formaldehyde fumigation carried out at double the strength and for four times as long as is recommended for disinfection of rooms. It is further reported that vaccinia virus ingested prior to the fumigation s... | 563,890 | [
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Effects of endocrinologic conditions associated with acute versus chronic lactation on the incidence of mammary carcinomas in irradiated rats: brief communication. | Groups of female Fischer rats received 500 rads of gamma-irradiation and were maintained in hormone states that promoted or inhibited lactation. Chronically lactating rats developed no mammary tumors. Rats did not lactate or lactated acutely during the period surrounding irradiation developed similar numbers of carcino... | 563,924 | [
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The effect of chronic ethanol treatment on behaviour and central monoamines in the rat. | Rats weaned at 16 days of age were treated with various ethanol concentrations (8--24% w/v) for 270 days. The effect of the chronic ethanol treatment on the growth rate, the diurnal pattern of drinking, the open field activity, and the conditioned avoidance acquisition and retention of the rats were studied. Terminatio... | 563,988 | [
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Dieldrin residues in soybeans in Illinois, 1965, 1966, 1967, 1971, and 1974. | The Illinois soybean crop was monitored in 1965, 1966, 1967, 1971, and 1974 for dieldrin residues resulting from aldrin applied to corn in the years before soybean cultivation. Residue levels of dieldrin in soybeans increased between 1965 and 1974. The percent of fields which had soybeans with a dieldrin level above 0.... | 564,021 | [
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Respiratory mechanics measured by a simple device. | A simple and inexpensive apparatus is described which permits the semi-automatic measurements of pulmonary dynamic compliance (Cdyn) and airway resistance (Raw) while rapid changes of these factors during the experimental induction of pneumopathies can be followed. A diaphragm is used as a pneumotachograph because it w... | 564,031 | [
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The area postrema and control of arterial blood pressure; absence of hypertension after excision of the area postrema in rats. | Acute surgical excision of the area postrema (AP) in the rat failed to affect arterial blood pressure or heart rate. The was no effect on cardiovascular reflex responses during diving or on the heart rate responses to acute decreases or increases of blood pressure caused by bradykinin or angiotensin, respectively. Elec... | 564,038 | [
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Exercise induced augmentation of myocardial oxygen extraction in spite of normal coronary dilatory capacity in dogs. | Myocardial O2-extraction rate was studied during exercise induced augmentation of cardiac work in dogs. The O2-extraction rate at rest was 75% of arterial content. Progressive levels of exercise increased the animals' O2-consumption from 7 ml/min-kg up to 91 ml/min-kg. Cardiac output rose from 108 ml/min-kg at rest to ... | 564,040 | [
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Calcium-dependent increase in efflux of [1-3H] taurine from the superfused rat cerebellar cortex in vivo. | High (40 mM) potassium stimulation has been shown to increase the efflux in vivo of [1-3H] taurine from the superfused rat cerebellar cortex by 46%, P less than 0.001. During superfusion with calcium-free media this increase in efflux is abolished. The cellular location of [1-3H] taurine in the cerebellar cortex is not... | 564,042 | [
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The effect of indomethacin on kidney function: indomethacin and furosemide antagonism. | The effect of furosemide and indomethacin on renal function was investigated in anesthetized dogs. 1. On infusing 0.05 mg/kg/min furosemide directly into the left renal artery, about 18% of the filtered water and 19% of the filtered sodium was excreted in both non-hydrated and hydrated dogs. 2. Under the effect of 0.1 ... | 564,044 | [
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Micropuncture study of fluid handling in the cat kidney. | Superficial proximal and distal tubules of both kidneys of pentobarbital-anesthetized cats, infused with 2.5% (w/v) polyfructosan in Ringer solution at 0.45 ml/min, were micropunctured. Whole one-kidney GFR average 4.1 ml/min. SNGFR averaged 15 nl/min in 51 determinations and was proportional to whole-kidney GFR in ind... | 564,046 | [
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Effect of acute uremia on arginine metabolism and urea and guanidino acid production by perfused rat liver. | Since arginine is a precursor of urea and other guanidino derivatives, we have evaluated its metabolism in acute uremia using the isolated perfused rat liver. Female Sprague-Dawley rats underwent bilateral nephrectomy (n = 5) or sham operation (n = 5) 48 h prior to liver perfusion. Fifty microCi of L-[guanidino 14C] ar... | 564,051 | [
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Oxygen affinity of hemoglobin in postmenopausal women. | In a group of 12 postmenopausal women the P50-value (i.e. half saturation tension of oxygen) and other parameters of the red blood count were determined and compared with values of a male group of the same age. A small but significant difference could be found between the hematocrit values but no other values differed.... | 564,054 | [
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Bone cells: a serum-free medium supports proliferation in primary culture. | Bone-cells isolated from embryonic rat calvaria increase in number two-to threefold when cultured at high, but not at low, population densities in a serum-free medium that contains albumin. Cultured cells respond to parathyroid hormone and exhibit a marked rise in alkaline phosphatase activity during proliferation, whi... | 564,080 | [
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Residual viruses in pork products. | Partly cooked canned hams and dried pepperoni and salami sausages were prepared from the carcasses of pigs infected with African swine fever virus and pigs infected with hog cholera virus. Virus was not recovered from the partly cooked canned hams; however, virus was recovered in the hams before heating in both instanc... | 564,162 | [
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High concentrations of horse serum inhibit growth of corn stunt spiroplasma. | Corn stunt spiroplasma (CSS) grew faster and achieved higher titers in liquid or agar medium containing 5 or 10 percent horse serum than it did in medium containing 20 percent horse serum. When growth in liquid medium was initiated with a small inoculum, CSS achieved excellent growth in the presence of 5 percent serum ... | 564,163 | [
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[Effect of anticoagulants on the change of blood parameters in diestric gilts]. | The above problem was studied by furnishing four groups of six gilts each with ear catheters for the following intravenous catheter treatment: 2,500 IU heparin per die over ten days, supported by two daily oral applications of 1 g Falithrom, or 2,500 IU heparin plus two daily applications of 1 g Falithrom, all intraven... | 564,172 | [
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Chromatography of different forms of DNA on immobilized histone columns. | Histones 1, 2A, 2B, 3, 4, and 5 from chicken erythrocytes have each been covalently immobilized on agarose beads and tested for their ability to bind DNA. Both calf thymus DNA and PM-2 viral DNA (form II, a nicked circle) bind to columns of immobilized histone at low ionic strength and can be eluted with 0.2--0.8 M NaC... | 564,204 | [
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[Changes in the cortical neuronal dendrites in experimental alcoholic intoxication]. | The state of the cortical neuron dendrites was studied in rats at various stages of alcohol intoxication; two categories of changes occurred in dendrites--destructive and compensatory. These changes depended on the stages of alcohol intoxication and individual peculiarities of the central nervous system of the animals. | 564,217 | [
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Measurement of whole body calcium in chronic renal failure: effects of 1alpha-hydroxyvitamin D3 and parathyroidectomy. | In vivo neutron activation analysis was used to measure changes in whole body calcium in patients with chronic renal failure. Eight patients, not treated by haemodialysis, showed losses of calcium in contrast to increases noted in twenty-one patients treated by haemodialysis. Changes in whole body calcium were independ... | 564,247 | [
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Behavioral consequences of dietary vitamin deficiency in young and middle-aged rats. | The behavioral correlates of vitamin A and B 6 dietary deficiency in young adult rats (Experiment 1) and middle-aged, retired breeder rats (Experiment 2) were examined. Male and female rats received either vitamin A deficient, vitamin B6 deficient, or normal control diets for two and a half months. Body weight, eating,... | 564,272 | [
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[Surgical refertilization by means of laser technic. Animal experimental study]. | Animal experiments on rabbits with a CO2 laser concerning end-to-end-anastomosis of cornua uteri are reported. The rate of success of this laser technique by a before investigated optimal energy density of 64 Watt sec/cm2 (8 Watt,0,2 sec) was about 70% deliveries without any complication. This method could be an altern... | 564,323 | [
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Experimental observations on the integration of bladder and urethral function. | Bladder and urethral pressure responses to pelvic sympathetic and pudendal nerve stimulation 60 anesthetized cats were studied. Results show that urethral resistance is composed of smooth and skeletal musclar components, which relax with pelvic nerve stimulation. Reciprocal inhibition of the detrusor-external sphincter... | 564,335 | [
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An otorhinological study of children with cleft palates. | An otorhinological study of 245 children with cleft palate was carried out in two groups from two different hospitals. The incidences of deafness and exudative otitis media were much higher in the group where each child was seen by an otologist and hearing tested by audiogram. The lower incidence in the second group co... | 564,379 | [
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Release of growth hormone in lactating and non-lactating goats in relation to behaviour, stages of sleep, electroencephalograms, environmental stimuli and levels of prolactin, insulin, glucose and free fatty acids in the circulation. | Recording electrodes were implanted in contact with the dura mater overlying the parietal cortex of six female goats, four of which were lactating. After recovery from surgery and complete familiarization with the housing conditions, the personnel and the recording technique, each goat was observed continuously for 24 ... | 564,386 | [
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0.003267381,
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Mouse spleen lymphoblasts generated in vitro. Their replication and differentiation in vitro. | Mouse spleen lymphoblasts induced with lipopolysaccharide and fetal calf serum were obtained in high yield and purity in their first proliferative cell cycle by floatation in dense bovine plasma albumin columns (3). The blasts were maintained in vitro for 3 more days. The cultures were examined in bulk on each day, and... | 564,390 | [
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0.3195044,
0.6789255,
0.2289441,
0.1345036,
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The effects of colony differences on muricidal behavior in rats within one strain. | Two experiments were performed to investigate the origin of colony differences in muricidal behavior within the same strain of rat. In the first experiment (N = 52 male Long-Evans rats), the first generation offspring of parents from two different colonies were reared under identical conditions and tested for muricide.... | 564,393 | [
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Effects of combining pilocarpine, d-amphetamine, and either a free feeding schedule or cyclic food deprivation on mouse killing by rats. | The combination of a drug which suppresses mouse killing by rats (d-amphetamine) , a drug which activates mouse killing (pilocarpine), and either ad-lib food or a 24-hour cyclic food deprivation schedule were examined for their effects on the mouse-killing response by rats (N = 53). Results showed that the presence of ... | 564,395 | [
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... |
Pancreatic acinar cell changes induced by caerulein, vinblastine, deuterium oxide, and cytochalasin B in vitro. | The effects of caerulein, vinblastine (VB), deuterium oxide (D2O), and cytochalasin B upon both the structure and the function of the pancreatic acinar cell were studied in vitro using rat pancreatic fragments. Caerulein (10 ng. per ml.) stimulates the release of enzymes and induces the appearance of numerous exocytoti... | 564,425 | [
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Involvement of membrane sulfhydryls in the activation and maintenance of nutrient transport in chick embryo fibroblasts. | At 5 microgram/ml, insulin stimulates hexose, A-system amino acid, and nucleoside transport by serum-starved chick embryo fibroblasts (CEF). This stimulation, although variable, is comparable to that induced by 4% serum. The sulfhydryl oxidants diamide (1-20 micrometer). hydrogen peroxide (500 micrometer), and methylen... | 564,429 | [
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Cranial CT appearance of acute multiple sclerosis. | In acute multiple sclerosis, cranial computerized tomography (CT) may show periventricular and deep white matter contrast-enhanced lesions that are easier to see using 8 mm rather than 13 mm cranial CT sections. Follow-up studies show that the lesions evolve either to areas of density similar to the surrounding white m... | 564,479 | [
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Recent cases of intracranial tuberculomas. | While intracranial tuberculomas have become uncommon in industrial nations, 12 patients with signs and symptoms of an intracranial mass lesion were recently found to have tuberculomas. Clinical findings suggestive of tuberculosis were frequently subtle or absent. Five patients did not have extracranial tuberculosis. Tw... | 564,480 | [
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0.102997,... |
Effect of dietary factors on serum and egg yolk cholesterol levels of laying hens. | Effects of dietary lipid factors (saturated and unsaturated oil, cholesterol and plant sterols) on the serum and egg yolk cholesterol levels of the laying hen were investigated. Single Comb White Leghorn laying hens, at thirty weeks of age, were used in two trials by feeding two basal diets containing 8.0% hydrogenated... | 564,509 | [
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0.2569926,
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Effects of epinephrine and oxytocin on the release of prostaglandin F from the rat uterus in vitro. | Isolated uteri from rats with regular 4-day cycles were incubated in Krebs-Ringer bicarbonate buffer and the release of PGF into the medium was measured by radioimmunoassay after extraction of the incubation medium with ethyl acetate at pH 3.0-3.5. PGF was produced from endogenous precursors and accumulated in equal am... | 564,531 | [
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0.1960551,
0.122456,
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0... |
[Scientific fundamentals of hippo- and riding therapy - a compilation of study results (author's transl)]. | The article surveys some of the scientific fundamentals of hippo- and riding therapy, and its methods using the characteristic horseback three dimensional rhythmic movement impulses for its therapeutic values, particularly in cerebral palsy. The influence of riding on posture and balance reactions, position of the pelv... | 564,536 | [
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0.0001675893,
0.3033464,
0.2908182,
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Time course of audiogenic seizure susceptibility and plasma pentobarbital concentration during withdrawal. | Rats were made dependent on sodium barbital by daily oral administration of the drug over a 4 week period. At the end of this time the animals were switched to sodium pentobarbital, I.P., 30 mg/Kg every 4 hours for 3 days and withdrawn. Mean Plasma pentobarbital concentrations was observed to decline rapidly following ... | 564,537 | [
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0.08433498,
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0.2466216,
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Sudden infant death in Copenhagen 1956--1971. I. Infant feeding. | 131 cases of the Sudden Infant Death Syndrome (SIDS) in the municipality of Copenhagen 1956--71 (incidence 0.92 SIDS cases per 1 000 live births) were investigated on the basis of police reports and infant health visitor's records. Fewer SIDS cases were breast-fed than controls from the second week of life to four mont... | 564,594 | [
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0.2141307,
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Lethality for mice and chick embryos, pyrogenicity in rabbits and ability to gelate lysate from amoebocytes of Limulus polyphemus by lipopolysaccharides from Bacteroides, Fusobacterium and Veillonella. | Phenol-water extracted lipopolysaccharides (LPS) from Veillonella, Fusobacterium nucleatum, Bacteroides fragilis and Bacteroides melaninogenicus were lethal for mice and 11-days-old chick embryos, pyrogenic in rabbits, and gelated Limulus amoebocyte lysate. Mouse lethality was considerably enhanced by actinomycin-D. In... | 564,596 | [
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... |
Hemodynamics and coronary angiography in idiopathic hypertrophic subaortic stenosis. | One hundred eighteen patients with idiopathic hypertrophic subaortic stenosis were studied with cardiac catheterization and coronary arteriography. In 112 a gradient across the left ventricular outflow tract was present in the resting state. Seventeen of the 61 patients who had right heart catheterization had a mild re... | 564,600 | [
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0.3025112,
0.04155387,
0.11486... |
Continuous brachial plexus block for prolonged sympathectomy and control of pain. | An anesthetic technic for long-term analgesia and sympathectomy for upper extremity vascular accident was successfully employed in 3 patients. Narcotics were not required during this period. Neurological complications, local bleeding, and hematoma were not detected even though 2 patients were heparinized. | 564,632 | [
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0.2177384,
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Covert seizures as a cause of postoperative apnea. | Covert seizures expressed as apnea may occur in the immediate postoperative period, and they should be suspected particularly in the known seizure-disorder patient. Management includes ventilation with O2 and avoidance of inappropriate administration of reversal drugs. | 564,635 | [
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Argon laser treatment of central serous chorioretinopathy. | Thirty patients (33 eyes) with central serous chorioretinopathy were treated with argon laser photocoagulation. Visual acuity improved in 28 eyes (85%) and remained the same in 5 (15%). In all cases symptomatic improvement occurred and final visual acuity was 20/30 or better. No complications resulted from treatment. I... | 564,655 | [
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... |
[Energy metabolism study of Fusidium coccineum strains with varying levels of antibiotic formation]. | Energy parameters of the two strains of the inperfect fungus Fusidium coccineum with different levels of antibiotic production were studied comparatively. It was shown that the respiration activity of the both strains was almost completely suppressed by KCN+ salycyl hydroxomate. It provided a supposition that the respi... | 564,659 | [
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0.3627113,
0.3600647,
0.2045327,
0.2132903,
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[Effect of antibiotics on human intestinal flagellates in cultures]. | The effect of II different antibiotics on Trichomonas hominis, T. elongata, Chilomastix mesnili and Enteromonas hominis was studied. Trichomycin, monomycin and levorin had the most pronounced protistocidic effect. On prolonged passages on media with the antibiotics, increased resistance to them in separate flagellatus ... | 564,660 | [
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0.2904161,
0.04469522,
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... |
Cows' milk protein-sensitive enteropathy. Combined clinical and histological criteria for diagnosis. | Cows' milk protein enteropathy is recognised as a significant cause of persistent diarrhoea and malabsorption in young infants, but there are as yet no generally accepted diagnostic criteria. A combined clinical and histological approach to the diagnosis of cows' milk protein-sensitive enteropathy has been used in 15 p... | 564,668 | [
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0.2643794,
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[Studies of the high toxicity of zinc-metallibur]. | The high toxicity of Zine-Metallibur was tested in gilts aged eight months and weighing between 78 and 96 kg. Zinc-Metallibur, either 1 g/kg live weight or a quantity 1,000 times that used for synchronisation, was admixed to feed rations and introduced directly into the stomach through and intra-oesophageal tube. Fodde... | 564,673 | [
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0.3215697,
0.4289094,
0.3411129,
0.0262329,
-0.031... |
Stabilization and solubilization of bovine corpus-luteum adenylate cyclase. The effects of guanosine triphosphate, guanosine 5'-[beta,gamma-imido]triphosphate, sodium fluoride and Tris/hydrochloric acid concentration on enzyme activity. | 1. Adenylate cyclase of the washed 600g sediment of bovine corpus-luteum homogenate is stimulated by p[NH]ppG (guanosine 5'-[beta,gamma-imido]triphosphate), the imido analogue of GTP, and to a lesser extent by GTP itself. Activation by p[NH]ppG is not reversed by extensive washing before assay, but can, however, be rev... | 564,693 | [
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0.4331556,
0.437309,
0.1420809,
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Differences in the binding of methylated albumin to non-replicating, replicating and denatured DNA from Ehrlich ascites cells. | The binding of methylated albumin to DNA, the basis of the chromatography on columns of kieselguhr coated with methylated albumin (MAK chromatography), was investigated. Scatchard plots revealed only one mode of interaction with fully double-stranded DNA. The complexes should be completely dissociated by raising the Na... | 564,710 | [
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0.03181876,
0.1818487,
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3-Hexulosephosphate synthase from Methylomonas aminofaciens 77a. Purification, properties and kinetics. | 3-Hexulosephosphate synthase (D-arabino-3-hexulose 6-phosphate formaldehyde lyase) was purified from an obligate methylotroph, Methylomonas aminofaciens, to homogeneity as judged by polyacrylamide gel electrophoresis and analytical ultracentrifugation. The molecular weight was determined to be 45 000-47 000 by sediment... | 564,713 | [
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0.1192229,
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[Effect of nerve growth factor and amizil on the viability and metabolism of cultured spinal ganglia]. | Spinal ganlia of a 9-day chick embryo were cultivated by the method of "floating rafts" in common medium (control) and in the medium containing amizyl (100 microgram/ml) or a neuregrowth factor (50 microgram/ml). With the action of amizyl there proved to be an increase in the number of surviving neurons; the majority o... | 564,723 | [
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0.4751457,
0.5748319,
0.1475265,
-0.064911... |
Separation and functional characterization of human neutrophil subpopulations. | Human neutrophils have been considered to be a functionally homogeneous population of cells. We have developed a density sedimentation technique for separation of neutrophils into two populations based on their ability to form rosettes with IgG-coated human erythrocytes (7SEA). Under the experimental conditions 80% +/-... | 564,724 | [
0.07041491,
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-0.006332... |
Gene mapping by fluorescent in situ hybridization. | We describe a new method for the mapping of mammalian genes, utilizing in situ hybridization of mRNA to DNA of chromosomes. It involves the hydrogen bonding of the polyadenylic acid at the 3' end of hybridized mRNA to the polyuridylic acid tail of a highly fluorescent latex microsphere. The resultant double hybrid can ... | 564,744 | [
0.1056496,
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0.1387895,
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0.09578195,
0.2599421,
0.2849025,
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0.1238939,
-0.04413526,
-0.02771615,
0.7851202,
0.3051209,
-0.1219052... |
Characterization of seven C-peptide antisera. | The plasma C-peptide immunoreactivity (CPR) in 10 normal subjects varied considerably when measured with different antisera in parallel assays. The CPR level correlated with the blank "CPR" value measured in plasma devoid of C-peptide and to a lesser degree with the sensitivity of the standard curves obtained with the ... | 564,799 | [
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0.1074... |
Hydrogen peroxide release by rat alveolar macrophages: comparison with blood neutrophils. | Hydrogen peroxide release was examined using biochemical and cytochemical techniques in rat alveolar macrophages, at rest and during phagocytosis, and compared with rat blood neutrophils. Using biochemical techniques, alveolar macrophages released small amounts of hydrogen peroxide at rest, and no increase was observed... | 564,878 | [
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0.24... |
Epidemiology of leprosy in Iran. | A total of 907 cases of leprosy from two sources, records from Baba-Baghi Leprosarium (709 cases) and Ahar case finding survey (198 cases), have been studied. The main characteristics of the cases are: a) about 50% of all cases are lepromatous leprosy; b) the leprosarium cases are about 2.5 years younger; c) about 70% ... | 564,882 | [
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0.1429994,
0.... |
Structural basis for the specific activation of human enteropeptidase. | Human cationic trypsinogen is activated by human enteropeptidase much more readily than bovine trypsinogen, the ratios kcat/Km being 330 and 11 mM-1S-1, respectively. Conversely, porcine enteropeptidase activates bovine trypsinogen much more rapidly (kcat/Km = 630 mM-1S-1) than human cationic trypsinogen (kcat/Km = 2.4... | 564,906 | [
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... |
The non-tubulin component of microtubule protein oligomers. Effect on self-association and hydrodynamic properties. | We have investigated the association of non-tubulin microtubule proteins with tubulin to form the ring-shaped oligomeric structures found in microtubule preparations. We have found that the two oligomeric species present in our preparations of microtubule protein (s020,w = 18 and 30 S) each require non-tubulin factors ... | 564,907 | [
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The spermatozoon of arthropoda. XXX. The multiflagellate spermatozoon in the termite Mastotermes darwiniensis. | In this paper the spermatozoon of the termite Mastotermes darwiniensis is described. It is the first example of a multiflagellate sperm cell in animals. The sperm consists of a conical head and 100 flagella. Other remarkable features of this sperm cell are the absence of an acrosome, the presence of centrioles containi... | 564,912 | [
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... |
Meiosis in Coprinus. VIII. A time-course study of the fusion and division of the spindle pole body during meiosis. | The time-course study of meiosis in the fungus Coprinus cinereus (C. lagopus) by electron microscopy reveals that two monoglobular spindle pole bodies (SPB's) of prekaryogamy nuclei come together during karyogamy and are fused. The fusion SPB of postkaryogamy nucleus persists through zygotene and pachytene as evidenced... | 564,915 | [
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0.022... |
Additional precipitation reactions of lectins with human serum glycoproteins. | Highly purified human serum glycoproteins were treated with neuraminidase and examined for their cross reaction with several lectins with anti-galactosyl specificity: beta-D-galactosyl structures are thought to be the main terminal sugar residues that become attached de novo after removal of neuraminic acid. The follow... | 564,939 | [
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0.170... |
Effect of various triglycerides on blood and tissue cholesterol of calves. | Blood and tissue cholesterol responses were measured in six groups of four calves each fed for 24 weeks reconstituted nonfat dry fat milk in which 30% of calories was derived from one of the following: soybean oil (SBO), beef tallow (T), medium-chain triglycerides (MCT), and 1:1 soybean-oil tallow (SBO/T) combination. ... | 564,943 | [
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0.2071727,
0.0730267... |
Technical considerations in distal tunnel ureteral reimplantation. | The advantages of a distal tunnel ureteral reimplantation have been elaborated upon previously. This method offers simplicity of transvesical explosure, rapidity of execution, excellent visibility of the terminal ureteral segments, minimal dissection and trauma in the paravesical space, the opportunity to advance the u... | 564,976 | [
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0.00517083... |
[Change in the cortical and medullary renal circulation in centrogenic forms of arterial hypertension]. | It was shown on 36 nonanesthetized rats by polarography from H2 elimination and PO2 recording that cortical and medullary circulation in the kidneys undergoes continuous fluctuations. A definite relation of these fluctuations with circulatory changes in the cerebral limbicoreticular structures was noted. In electric st... | 564,984 | [
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Effect of combined perinatal thyroxine and corticosterone treatment on the development of the diurnal pituitary-adrenal rhythm. | Daily corticosterone injections (20 microgram/g b.w., i.p.), on either days 2, 3 and 4 or days 16, 17 and 18, abolished the normal development of the a.m.-p.m. difference in plasma corticosterone levels, as no a.m.-p.m. difference was present in either group on day 21. Thyroxine treatment (10 microgram/g b.w., s.c.) on... | 565,014 | [
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... |
[Effect of ammonium and nitrate nitrogen on the physiological and biochemical properties of Bacillus brevis and Pseudomonas mycophaga]. | The pattern of oxido-reductive processes and antifungal properties of the bacteria Bacillus brevis and Pseudomonas mycophaga were studied as related to the type and ratio of nitrogen sources (NH4, NO3) in the nutrient medium. The biosynthesis of antibiotics was coupled with the anaerobic pattern of metabolism, and ener... | 565,053 | [
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[Uterine reactivity of alloxan-diabetic rats to oxytocin (author's transl)]. | The author studied the uterine reactivity of alloxan-diabetic rats to oxytocin. Using the Magnus method with Ringer-Locke nutrient solution (modified by Garcia de Jalon) low in calcium and varying the bath temperature from 30 degrees C to 36 degrees C, modifications of the organ were observed. The dose-effect relations... | 565,068 | [
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Gingivitis and cellulitis in diffuse pneumococcal infection. | Gingivitis occurring with a cystic lesions in young patients with facial cellulitis is highly suggestive of a pneumococcal etiology. Two cases of pneumococcal cellulitis and gingivitis with bacteremia are reported, and the pertinent literature is reviewed. | 565,080 | [
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Plasma growth hormone level in the Morgagni-Stewart-Morel syndrome. | In 10 patients with Morgagni-Stewart-Morel syndrome the basal plasma growth hormone level was slightly increased. There was no decrease of plasma growth hormone after glucose loading in most of the patients. These findings were supported by the histological picture of the adenohypophysis of an accidentally died patient... | 565,075 | [
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... |
Physostigmine and anesthetic requirement for halothane in dogs. | To investigate the effect of physostigmine on central nervous system (CNS) depression produced by halothane, control halothan minimum alveolar concentration (MAC) measured over 1 hour in 7 dogs was compared to MAC 30 minutes after each sequential IV dose of 0.04, 0.4, and 4 mg/kg physostigmine. MAC decreased 6.8, 11.1 ... | 565,155 | [
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Increase in anesthetic uptake, excretion, and blood solubility in man after eating. | Blood-gas partition coefficients of N2O, enflurane, halothane, methoxyflurane, and isoflurane were measured on blood samples from 12 healthy male volunteers before and after eating. The solubility values determined while volunteers fasted substantiate previously reported blood-gas partition coefficients for enflurane, ... | 565,161 | [
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0.2870358,
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Retinal dystrophies associated with peripheral retinal vasculopathy. | A pair of identical twins with cone-rod dystrophy and 1 patient with dominant retinitis pigmentosa are reported who had a peculiar vascular retinopathy characterised by perivenous accumulation of fluorescein in the temporal periphery. Other retinal dystrophies associated with leaking retinal vessels are discussed. | 565,213 | [
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Calcium digestibility in cows as influenced by the excess of alkaline ions over stable acid ions in their diets. | 1. Statistical analyses were carried out on results obtained under strictly-controlled conditions in metabolism stalls with forty-one different rations fed to 127 adult non-pregnant dry cows, and with fourteen other different rations fed to thirty-five adult non-pregnant lactating cows that had calved 2-6 months earlie... | 565,214 | [
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0.1802873,
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0.2163345,
-0.0139262... |
Chemical analysis of stalk components of Dictostelium discoideum. | Structural components of the stalks of mature fruiting bodies of Dictyostelium discoideum have been isolated and characterized after solubilizing non-structural components with urea and sodium dodecyl sulfate. The urea/sodium dodecyl sulfate-insoluble stalks are composed of about 52% cellulose, 15% protein and 3% of a ... | 565,220 | [
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0.3950954,
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Perinatal post-mortem radiography--experience with 2500 cases. | A review of 2500 routine post-mortem radiographic examinations of perinates is presented. It is concluded that the procedure is of value in the detection of abnormalities which may have contributed to the death of the perinate and which may have escaped detection at autopsy. The use of contrast agents may assist in the... | 565,236 | [
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Effects of phenytoin on acetylcholinesterase activity and cell protein in cultured chick embryonic skeletal muscle. | Cultured pectoral muscle from 11-day-old chick embryos was treated for 48 h with phenytoin (diphenylhydantoin, DPH) in concentrations ranging from 15 to 270 microgram/ml on days 7-9 in vitro. Acetylcholinesterase (AChE, EC 3.1.1.7), creatine phosphokinase (CPK, EC 2.7.3.2), and lactic dehydrogenase (LDH, EC 1.1.1.27) a... | 565,245 | [
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Relationship between iron-limited growth and energy limitation during phased cultivation of Candida utilis. | The yeast Candida utilis was continuously synchronized by the phasing technique (6 h doubling time) with either iron or nitrogen as the limiting nutrient. Iron limitations resulted in decreased molar growth yields with respect to the carbon substrates and ammonia and in increased specific rates of oxygen uptake. Relati... | 565,248 | [
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Changes of lactic dehydrogenase activity and combination of its subunits in rat anterior pituitary during puberty and in maturity, as well as during estrous cycle on the actue effect of estradiol and after castration. | LDH activity in the female rat anterior pituitary increases substantially at the opening of the vagina, after the gradual increase up to the 90st day no important change occurs. During the estrous cycle activity reaches its peak during the estrus, and lowest in ghe proestrus. Molecular organization of the enzyme shows ... | 565,285 | [
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Enhancement of ethanol-induced sleep by whole oil of nutmeg. | In young chickens, the whole oil of nutmeg (200 mg/kg) increased the duration of sleep induced by ethanol (1--4 g/kg), particularly deep sleep. Iproniazid (50-400 mg/kg), a monoamine oxidase inhibitor, did not mimic this effect. | 565,298 | [
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-... |
Mammalian spot test with moxnidazole, a 5-nitroimidazole. | Moxnidazole [3-(5-nitrol-1-methyl-2-imidazolyl)-methyleneamino-5-morpholinomethyl-2-oxazolidinone, HCl], known to be mutagenic in microbial tests and Drosophila, induced genetic alterations in somatic cells of mice. Ethyl methanesulfonate (EMS) served as positive control. | 565,299 | [
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0.1252236,
-0.3998022,
0.2101809,
0.05475245,
0.1701341,
0.269795,
0.1164582,
0.2629252,
-0.19... |
Centromere inactivation in a case of Turner variant with two dicentric iso-long arm Y chromosomes. | A 6-year-old girl of small stature and with some features of Turner's syndrome was found to have a karyotype with two-thirds of the cells possessing one, and one-third with two dicentric iso-long arm Y chromosomes. In metaphases with 46 chromosomes the majority of the abnormal Ys exhibited two primary constrictions. In... | 565,337 | [
-0.1502582,
0.1721179,
0.1275856,
-0.1689776,
-0.06335007,
-0.005034252,
-0.1392425,
0.06270689,
0.1609309,
0.2240708,
0.3538134,
0.2802051,
-0.32853,
0.01036315,
-0.5015275,
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-0.340069,
-0.1003524,
-0.06958006,
-0.2528926,
0.460817,
0.1219003,
0.002209992,
0... |
Isolation of mycoplasmas from the genital tract of women with reproductive failure, sterility or vaginitis. | The presence of mycoplasma was investigated in 77 women with infertility, 34 women complaining of sterility, 92 women with vaginitis and 66 healthy control subjects. The group of infertile women was subdivided into those with one or two spontaneous abortions, those with three or more abortions and those with missed abo... | 565,342 | [
-0.05376082,
0.1417805,
0.05044862,
0.1042,
0.07623847,
-0.02429683,
-0.127469,
-0.06096717,
0.03417059,
-0.3313617,
0.1435875,
0.1196002,
0.001345204,
0.2737868,
0.03577505,
-0.285088,
-0.5299033,
0.05104933,
-0.2091188,
-0.4253658,
0.1438989,
0.2577382,
-0.1041848,
0.... |
Formation of 7-cis retinal by the direct irradiation of all-trans retinal. | 7-cis Retinal, one of the geometrical isomers of retinal, was prepared by the direct irradiation of all-trans retinal dissolved in ethanol and successive separation by high performance liquid chromatography. The production for its purification and identification are described. | 565,355 | [
-0.1717922,
0.07074274,
-0.4804023,
0.03102338,
0.274378,
-0.1129069,
-0.2004469,
-0.006818553,
0.09462398,
-0.004132435,
0.2013625,
-0.06235057,
-0.0369566,
0.103531,
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-0.05523839,
-0.5414633,
0.2378402,
-0.1935889,
-0.03231177,
0.2648747,
0.3218205,
-0.014623... |
Differential concanavalin A-induced agglutination of eight-cell preimplantation mouse embryos before and after compaction. | Eight-cell mouse embryos undergo a morphogenetically significant process termed compaction during which blastomeres flatten against one another maximizing their areas of cell-cell contact. Data presented here show striking differences (P less than 0.01) in Con A-induced agglutination between groups of uncompacted and c... | 565,388 | [
-0.04701222,
0.1668126,
-0.09266655,
-0.04010814,
0.3052479,
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-0.06190655,
0.08321703,
0.4543211,
0.2442192,
0.088151,
0.1799996,
-0.02634068,
-0.1019155,
0.01653034,
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-0.3577175,
-0.1287486,
-0.2125018,
-0.04830263,
0.3304203,
0.2149689,
-0.0780180... |
Synthesis and biological activity of N6-(n-alkylureido)purine ribonucleosides and their 5'-phosphates. | Syntheses and biological activities of 12 N6-(n-alkylureido)purine ribonucleosides (alkyl chain length of 1--10, 16, and 18 carbons) and three N6-(n-alkylureido)purine ribonucleoside 5'-phosphates (chain length of 4, 9, and 10 carbons) are described. The N6-(n-alkylureido)purine ribonucleosides were prepared by a react... | 565,402 | [
-0.3552741,
-0.1344711,
-0.04448628,
0.1578283,
0.2927502,
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0.2426822,
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0.2722147,
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0.1934259,
0.2077902,
0.1090692,
-0.440886,
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-0.1391754,
0.2472854,
-0.155892,
0.2412547,
0.3719397,
0.04333399,
-0.257585,
0.03... |
Thromboembolic complications after mitral valve replacement with Hancock xenograft. | Case histories of 140 patients who had mitral valve replacement with the Hancock xenograft were reviewed according to the incidence of thromboembolic complications. There were 16 patients with preoperative and/or postoperative low-output syndrome (Group A.) Eight of these patients died, and six had autopsies which show... | 565,444 | [
0.04277003,
0.1752602,
-0.2235899,
-0.1602639,
0.1404559,
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0.04903169,
0.2799898,
-0.04092132,
-0.35567,
0.006583147,
0.3543301,
0.06903439,
-0.2613349,
-0.03134104,
-0.08782388,
0.02562692,
0.1675665,
0.3781014,
0.1324594,
0.2829097,
0.5190408,
-0.04080871,
... |
Antineoplastic agents. 52. Baileya multiradiata. | The desert-marigold Baileya multiradiata Harv. and Gray (Compositae) has been found to produce a series of sesquiterpenes that markedly inhibit growth of the murine lymphocytic leukemia P388 and the corresponding in vitro cell line. Separation guided by bioassay led to the isolation of baileyin (1), fastigilins B and C... | 565,454 | [
0.04333256,
0.180968,
-0.3366243,
-0.09940746,
-0.03051637,
0.003492846,
-0.4241227,
0.02813703,
0.05188773,
0.02611391,
-0.04189014,
0.3013181,
0.1481589,
-0.01990735,
0.1763223,
-0.04067607,
-0.03398563,
0.02389899,
0.3874247,
0.4274229,
0.4478635,
0.2369473,
-0.0210319... |
Decreased lymphocyte transformation to vaccinia virus in multiple sclerosis. | Lymphocyte transformation to vaccinia virus was measured in multiple sclerosis (MS) patients and normal controls. There was a significant reduction of lymphocyte transformation to vaccinia virus in multiple sclerosis patients compared with the control group. In addition, a positive correlation existed between the degre... | 565,482 | [
-0.1189116,
-0.07640623,
-0.05491729,
-0.2323147,
-0.08481731,
-0.1755467,
0.008979827,
0.09059842,
-0.228643,
-0.07940668,
0.1087475,
0.2087826,
0.06751533,
0.2831832,
-0.2259963,
-0.2323431,
-0.1210032,
-0.03346068,
0.05406081,
0.174601,
-0.1473373,
0.1073143,
0.0888951... |
DNA replication in Physarum polycephalum: bidirectional replication of DNA within replicons. | The direction of replication of DNA within replicons of Physarum polycephalum was studied by pulse-labelling with 5-bromouracil-deoxyriboside (BrdUrd) and 3H-adenosine deoxyriboside (dAdo), followed by ultraviolet- (UV) -photolysis and analysis of molecular weights of single strand DNA fragments on alkaline sucrose gra... | 565,510 | [
0.01098188,
-0.2421783,
-0.0930083,
0.2876055,
0.1581782,
-0.2617007,
-0.2374062,
-0.1835843,
0.4441435,
0.09450751,
0.1441118,
-0.1427021,
-0.3573177,
0.181432,
-0.05795044,
0.08010584,
0.07195873,
0.2947612,
0.05132513,
-0.1017841,
0.6231734,
0.04128918,
-0.3979119,
-... |
Radioimmunoassay of spermidine in human serum. | Specific antispermidine antibodies were produced following immunization of New Zealand white rabbits with a spermidine-thyroglobulin conjugate of high (greater than 200:1) hapten-carrier molar ratio. The harvested antispermidine rabbit antiserum was characterized and a radioimmunoassay procedure developed. The specific... | 565,528 | [
0.153521,
-0.1349221,
-0.151276,
0.02958394,
0.1010326,
-0.1113501,
-0.191178,
0.3524091,
0.0326049,
0.02068226,
0.2503801,
0.1980035,
0.2767667,
0.09576123,
-0.1240156,
-0.128585,
-0.3131557,
0.0594564,
-0.3292118,
0.1537852,
0.2573896,
0.04793289,
-0.1508168,
-0.09471... |
Biosynthesis of glycoprotein-glycosyl transferases during the cell cycle. | The levels of glycoprotein-glycosyl transferases increased at the late G1-early S phase during the cell cycle both in the plasma membrane and in the microsomal fraction. The levels of the enzyme showed a "peak pattern" during the cell cycle. Elevation of the enzyme activity at earlier stages was not influenced by cytos... | 565,548 | [
-0.009043951,
-0.128779,
-0.4827466,
-0.2881163,
0.2933598,
-0.06072672,
-0.04909383,
-0.01124575,
0.02365586,
0.2610016,
0.05182573,
-0.02213541,
-0.03542693,
0.4006301,
-0.4860363,
0.1206557,
-0.3918187,
0.05919224,
0.04851477,
0.08035457,
0.4857359,
0.1439017,
-0.09781... |
Sudden death in patients with hypertrophic cardiomyopathy: characterization of 26 patients with functional limitation. | Sudden death is a recognized complication in symptomatic patients with hypertrophic cardiomyopathy. However, its occurrence in patients with no or transient previous cardiac symptoms presents a particularly challenging diagnostic and therapeutic dilemma. Therefore, 26 patients with hypertrophic cardiomyopathy whose dea... | 565,583 | [
-0.2763179,
0.1934957,
-0.04278285,
-0.2107812,
0.08690385,
-0.379187,
-0.195768,
-0.251545,
-0.1117974,
-0.198342,
-0.1315435,
0.267262,
-0.1375676,
0.02454787,
-0.1032814,
-0.08193487,
-0.1619179,
0.3810104,
0.1826645,
0.003991373,
0.3010036,
0.2141733,
-0.07280865,
0... |
[Congenital pulmonary lymphangiectasis and hyaline membrane. Report of a case]. | The case of a newborn with pathological confirmation of congenital pulmonary lymphangiectasis and hyaline membrane is reported. The lymphagiectasis corresponded to type III, with histological characteristics that make it different from other types of lymphatic dilatation. This association is quite uncommon and should b... | 565,639 | [
-0.173652,
-0.422758,
0.0786778,
0.1168001,
0.07504989,
-0.294509,
-0.3165255,
-0.3637633,
-0.1054472,
0.1642388,
0.1040976,
0.1509977,
-0.2847138,
-0.1621825,
-0.2720199,
-0.3526574,
-0.374555,
-0.1150704,
0.05949155,
-0.2545686,
0.300897,
-0.1430095,
-0.09298883,
0.23... |
Study of the pseudoperoxidatic activity of soybean leghemoglobin and sperm whale myoglobin. | The compound formation between soybean leghemoglobins a and c and H2O2 or ethyl hydroperoxide has been studied and compared with the hydrogen peroxide compound of sperm whale myoglobin. the titration data show that the hydrogen peroxide compounds of leghemoglobins are formed in a 1:1 molar ratio. The kinetics of the fo... | 565,653 | [
0.07156873,
-0.1090242,
-0.3420599,
-0.03199367,
0.1919834,
-0.2140988,
-0.1720915,
-0.02769712,
-0.4911818,
-0.2143387,
-0.1882722,
0.5940087,
-0.09095689,
0.07245183,
-0.2158369,
0.2995452,
-0.2087417,
0.3037179,
0.1151503,
-0.09545495,
0.4318121,
0.2136608,
0.000636124... |
Association of DNA polymerase with nucleosomes from mammalian cell chromatin. | More than half of the DNA polymerase beta in mouse ascites cell chromatin was found to be associated with monomeric nucleosomal particles (produced by micrococcal nuclease treatment of chromatin). Almost all nuclear DNA polymerase activity in lymphocytes was found to be associated with nucleosomes. The nucleosome-assoc... | 565,714 | [
-0.005457008,
-0.1244665,
-0.2418282,
0.1521898,
0.266899,
-0.03075667,
-0.1822998,
0.0588858,
0.3310236,
0.2804756,
0.03978955,
0.04827464,
0.04390809,
0.2410309,
-0.334988,
0.08542206,
-0.5085505,
-0.08856487,
0.1967693,
0.2515733,
0.1574623,
-0.2774734,
-0.299378,
-0... |
[Diagnosis of disorders of the electrolyte metabolism by means of Frank's corrected orthogonal (k.o.) ECG]. | The usual ECG criteria in the metabolism disturbance of calcium and potassium are touched. The content of electrolyts in the cells is not to be found in vivo by chemical methods. A loss of potassium in the cell makes a potential difference, which is defined as lesion potenial between the lesion focus and its intact env... | 565,749 | [
-0.01952526,
0.1012192,
-0.1688604,
-0.1704199,
-0.1459295,
-0.1634095,
-0.2071368,
0.2258094,
-0.00576413,
0.08766514,
-0.0823919,
0.3441459,
0.01923507,
0.1593595,
-0.7012458,
-0.1753982,
-0.4959456,
-0.05794807,
0.2670471,
-0.02387862,
0.4102003,
0.08329766,
-0.2230216... |
Hepatic lesions in asymptomatic children of leprosy patients. | Forty-two asymptomatic children of leprosy patients were studied for possible hepatic lesions. Hepatic lesions were observed in 47% while acid-fast bacilli in the liver were found in 9.5%. The most frequent lesions encountered included granuloma in 9.5%, focal areas of necrosis in 14%, portal triaditis in 17%, and Kupf... | 565,754 | [
0.07583283,
-0.07720068,
-0.267623,
0.1834923,
0.1690343,
-0.3019841,
-0.05817304,
-0.06131804,
-0.09930107,
-0.1693741,
0.1435577,
0.2451665,
0.3016074,
0.2708426,
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-0.2058891,
-0.2957579,
0.2620735,
0.6547486,
0.2249467,
0.3006207,
0.1750088,
-0.01898444,
0... |
Serum proteins and immunoglobulins in leprosy. | Serum proteins and immunoglobulins were studied in patients suffering from various types of leprosy. A significant increase in total protein and decrease in albumin was found in all types of leprosy except borderline-tuberculoid. Gamma globulin was found to be increased in all types. An increase of alpha-2-globulin in ... | 565,758 | [
0.06119606,
-0.165382,
-0.1492849,
-0.4237888,
0.105296,
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-0.2002245,
0.08813161,
0.1002364,
0.4070439,
0.2531748,
0.08681998,
0.0840601,
0.1579647,
-0.1216216,
-0.1589732,
-0.284409,
-0.2053733,
0.2332285,
0.192617,
0.1725815,
0.01955911,
0.01719102,
-0.0975... |
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