text stringlengths 57 1.72k | relation stringclasses 125
values | h dict | t dict |
|---|---|---|---|
amperometry and constant-current potentiometry were used to follow the course of catalytic titrations of silver ( i ) , palladium ( ii ) , and mercury ( ii ) with potassium iodide . | NA | {
"id": "C0021966",
"name": "i",
"pos": [
39,
40
]
} | {
"id": "C0032831",
"name": "potassium",
"pos": [
163,
172
]
} |
the possibilities of application of platinum , palladium , gold , graphite , and glassy-carbon indicator electrodes were investigated . | NA | {
"id": "C0302933",
"name": "graphite",
"pos": [
66,
74
]
} | {
"id": "C0007009",
"name": "carbon",
"pos": [
88,
94
]
} |
a rapid and selective method for direct gravimetric determination of vanadium ( v ) and its application to alloy steel and some rocks . | NA | {
"id": "C0002154",
"name": "alloy",
"pos": [
107,
112
]
} | {
"id": "C0038239",
"name": "steel",
"pos": [
113,
118
]
} |
without making an account of the comments which have led to that decision , it is admitted that some dermatologists have noticed for 20 years allergic reactions on few persons , after using ointments containing lanolin or lanolin derivatives . | NA | {
"id": "C0023024",
"name": "lanolin",
"pos": [
211,
218
]
} | {
"id": "C0982249",
"name": "lanolin derivatives",
"pos": [
222,
241
]
} |
data from dsc are correlated with other physico-chemical characteristics of sebum , especially with the proportion of unsaturated fatty acids in the whole fatty acids fraction . | NA | {
"id": "C0015690",
"name": "unsaturated fatty acids",
"pos": [
118,
141
]
} | {
"id": "C0015684",
"name": "fatty acids",
"pos": [
155,
166
]
} |
uridine and its analogs , 3-deazauridine , 5-bromodeoxyuridine , 5-fluorodeoxyuridine and 6-azauridine , were found to competitively inhibit cytidine deaminase ; | NA | {
"id": "C0041984",
"name": "uridine",
"pos": [
0,
7
]
} | {
"id": "C0000399",
"name": "3-deazauridine",
"pos": [
26,
40
]
} |
these results suggest that uridine analogs such as 3-deazauridine may have value in protecting cytosine arabinoside , 5-azacytidine and their monophosphate nucleotides from degration by neucleoside and nucleotide deaminases . | NA | {
"id": "C0041984",
"name": "uridine",
"pos": [
27,
34
]
} | {
"id": "C0000399",
"name": "deazauridine",
"pos": [
53,
65
]
} |
xylitol and sorbitol , two sugar alcohols which readily enter into pathways of hepatic carbohydrate metabolism , stimulated p-nitroanisole o-demethylation in perfused livers from fasted , but not fed , phenobarbital-treated rats . | NA | {
"id": "C0043369",
"name": "xylitol",
"pos": [
0,
7
]
} | {
"id": "C0038654",
"name": "sugar alcohols",
"pos": [
27,
41
]
} |
xylitol and sorbitol , two sugar alcohols which readily enter into pathways of hepatic carbohydrate metabolism , stimulated p-nitroanisole o-demethylation in perfused livers from fasted , but not fed , phenobarbital-treated rats . | NA | {
"id": "C0037688",
"name": "sorbitol",
"pos": [
12,
20
]
} | {
"id": "C0038654",
"name": "sugar alcohols",
"pos": [
27,
41
]
} |
these methods are reviewed by application to the measured spectral turbidities of poly-dispersed fogs of water droplets formed by spontaneous condensation in supersonic steam flows . | NA | {
"id": "C0043047",
"name": "water",
"pos": [
105,
110
]
} | {
"id": "C0038225",
"name": "steam",
"pos": [
169,
174
]
} |
two series of studies have been performed : first , using unpolarized and linearly polarized radiation the photoionization of the rare gases ar , kr , and xe has been studied in an angle- , energy- , and spin-resolved photoemission experiment . | NA | {
"id": "C0017112",
"name": "rare",
"pos": [
130,
134
]
} | {
"id": "C0043339",
"name": "xe",
"pos": [
155,
157
]
} |
22:6-containing species are synthesized at high rates in most phosphoglycerides including phosphatidylinositol , which is mainly formed by tetraenoic classes . | NA | {
"id": "C0162448",
"name": "phosphoglycerides",
"pos": [
62,
79
]
} | {
"id": "C0031621",
"name": "phosphatidylinositol",
"pos": [
90,
110
]
} |
an unusual carbon-rich material found in the abee meteorite is highly enriched in volatile elements , by factors of 10 ( 4 ) relative to the case for nonvolatile elements . | NA | {
"id": "C0007009",
"name": "carbon",
"pos": [
11,
17
]
} | {
"id": "C0013879",
"name": "elements",
"pos": [
162,
170
]
} |
the formation and rapid cycling of nitric oxide implies the presence of other free radicals in seawater , perhaps as intermediates in ongoing autoxidation processes . | NA | {
"id": "C0028128",
"name": "nitric oxide",
"pos": [
35,
47
]
} | {
"id": "C0016693",
"name": "free radicals",
"pos": [
78,
91
]
} |
carbon from the allende meteorite is not graphite but carbyne ( triply bonded elemental carbon ) , inasmuch as on heating to 250 degrees to 330 degrees c it releases mainly triply bonded fragments : - ( c identical withc ) ( n ) , - with n = 1 to 5 , and - ( c identical withc ) ( n ) -cn , with n = 1 to 3 . | NA | {
"id": "C0302933",
"name": "graphite",
"pos": [
41,
49
]
} | {
"id": "C0007009",
"name": "elemental carbon",
"pos": [
78,
94
]
} |
liver and muscle tissue from mice reared on a diet such that the ratio of deuterium to hydrogen ( dih ) of their food and water was kept constant , have the same average d/h ratio as the food source . | NA | {
"id": "C0011744",
"name": "deuterium",
"pos": [
74,
83
]
} | {
"id": "C0020275",
"name": "hydrogen",
"pos": [
87,
95
]
} |
in response to anoxic conditions , nitrous oxide production initially increased but nitrous oxide was then consumed , a pattern which resulted from the sequential synthesis of nitrogenous oxide reductases . | NA | {
"id": "C0028215",
"name": "nitrous oxide",
"pos": [
35,
48
]
} | {
"id": "C0028167",
"name": "of nitrogenous",
"pos": [
173,
187
]
} |
examples of evolutionary developments in the polyamides , the fluorocarbon resins , and the aromatic engineering plastics are used to illustrate the trends . | NA | {
"id": "C0028736",
"name": "polyamides",
"pos": [
45,
55
]
} | {
"id": "C0032167",
"name": "plastics",
"pos": [
113,
121
]
} |
suberin a polymer containing aromatics and polyesters , functions as a barrier in underground parts , wound surfaces , and a variety of internal organs . | NA | {
"id": "C0032521",
"name": "polymer",
"pos": [
10,
17
]
} | {
"id": "C0032474",
"name": "polyesters",
"pos": [
43,
53
]
} |
in nine dipeptides containing alanine , leucine , phenylalanine , aspartic acid , and methionine , the amino acid residue racemized faster at the cooh-terminal position than at the nh ( 2 ) -terminal position ( cooh > nh ( 2 ) ) . | NA | {
"id": "C0001898",
"name": "alanine",
"pos": [
30,
37
]
} | {
"id": "C0002520",
"name": "amino acid",
"pos": [
103,
113
]
} |
associated locally with well-known tufa mounds and towers of mono lake , california , are subvertical , concretionary sand structures through which fresh calcium-containing artesian waters moved up to sites of calcium carbonate precipitation beneath and adjacent to the lake . | NA | {
"id": "C0006675",
"name": "calcium",
"pos": [
154,
161
]
} | {
"id": "C0006681",
"name": "calcium carbonate",
"pos": [
210,
227
]
} |
the cloned viral dna lacks site-specific single-strand breaks found in dna obtained directly from the virus . | NA | {
"id": "C0012939",
"name": "viral dna",
"pos": [
11,
20
]
} | {
"id": "C0012854",
"name": "dna",
"pos": [
71,
74
]
} |
all but one of the samples contained from less than 1 percent to 3 percent free crystalline silica ( quartz , trydimite , or cristobalite ) in both the bulk samples and 1 to 2 percent in the fractions smaller than 3.5 micrometers . | NA | {
"id": "C0034387",
"name": "quartz",
"pos": [
101,
107
]
} | {
"id": "C0037098",
"name": "cristobalite",
"pos": [
125,
137
]
} |
cell suspensions of these and of other known strains of methane-utilizing bacteria oxidized n-alkanes ( propane , butane , pentane , hexane ) to their corresponding secondary alcohols ( 2-propanol , 2-butanol , 2-pentanol , 2-hexanol ) . | NA | {
"id": "C0002065",
"name": "alkanes",
"pos": [
94,
101
]
} | {
"id": "C0033434",
"name": "propane",
"pos": [
104,
111
]
} |
methanol-grown cells of methane-utilizing bacteria did not oxidize n-alkanes to their corresponding secondary alcohols , indicating that the enzymatic system required for oxidation of n-alkanes was induced only during growth on methane . | NA | {
"id": "C0002065",
"name": "alkanes",
"pos": [
69,
76
]
} | {
"id": "C0025617",
"name": "methane",
"pos": [
228,
235
]
} |
the production of 2-propanol from the corresponding n-alkane by the particulate fraction was inhibited in the presence of methane , suggesting that the subterminal hydroxylation of n-alkanes may be catalyzed by methane monooxygenase . | NA | {
"id": "C0025617",
"name": "methane",
"pos": [
122,
129
]
} | {
"id": "C0002065",
"name": "alkanes",
"pos": [
183,
190
]
} |
cell suspensions of methane-utilizing bacteria grown on methane oxidized n-alkanes ( propane , butane , pentane , hexane ) to their corresponding methylketones ( acetone , 2-butanone , 2-pentanone , 2-hexanone ) . | NA | {
"id": "C0025617",
"name": "methane",
"pos": [
20,
27
]
} | {
"id": "C0002065",
"name": "alkanes",
"pos": [
75,
82
]
} |
cell suspensions of methane-utilizing bacteria grown on methane oxidized n-alkanes ( propane , butane , pentane , hexane ) to their corresponding methylketones ( acetone , 2-butanone , 2-pentanone , 2-hexanone ) . | NA | {
"id": "C0002065",
"name": "alkanes",
"pos": [
75,
82
]
} | {
"id": "C0033434",
"name": "propane",
"pos": [
85,
92
]
} |
the amount of c-labeled carbon atoms converted into dmf-insoluble material was 8 % of the backbone carbon-carbon atoms and 12 % of the side-chain nitrile and acrylate atoms from the acrylonitrile-methylacrylate copolymer and 60 % of the elastomer ( acrylonitrile-butadiene copolymer ) atoms . | NA | {
"id": "C0028131",
"name": "nitrile",
"pos": [
146,
153
]
} | {
"id": "C0001223",
"name": "acrylonitrile",
"pos": [
249,
262
]
} |
the rationale for selecting c. stercoreus in attempting to biologically modify the lignin and cellulose components in wheat straw or other gramineous agricultural residues was based on the expectation that this organism is ecologically specialized to enzymatically attack the substructures of native lignins in grasses . | NA | {
"id": "C0007648",
"name": "cellulose",
"pos": [
94,
103
]
} | {
"id": "C0023705",
"name": "lignins",
"pos": [
300,
307
]
} |
mineralization of specifically labeled c-cellulose- and c-lignin-labeled lignocelluloses by toolik lake , alaska , sediments was examined in response to manipulation of various environmental factors . | NA | {
"id": "C0007648",
"name": "cellulose",
"pos": [
41,
50
]
} | {
"id": "C0023705",
"name": "lignin",
"pos": [
58,
64
]
} |
the antagonistic role of phosphorus in cellulose and lignin mineralizations may be of significance in understanding the increased proportion of lignin relative to cellulose in decomposing litter . | NA | {
"id": "C0023705",
"name": "lignin",
"pos": [
53,
59
]
} | {
"id": "C0007648",
"name": "cellulose",
"pos": [
163,
172
]
} |
sulfite , sulfur , and polythionates were formed and subsequently degraded to sulfate during growth with thiosulfate as the sole energy source . | NA | {
"id": "C0038720",
"name": "sulfate",
"pos": [
78,
85
]
} | {
"id": "C0039950",
"name": "thiosulfate",
"pos": [
105,
116
]
} |
adenosine , adenine , cyclic adenosine monophosphate ( amp ) , amp , nicotinamide adenine dinucleotide , adenosine diphosphate , and adenosine triphosphate ( atp ) were recovered quantitatively from aqueous portions of lipid extracts of microfouling , detrital , and sedimentary microbial communities . | NA | {
"id": "C0001443",
"name": "adenosine",
"pos": [
0,
9
]
} | {
"id": "C0001465",
"name": "amp",
"pos": [
63,
66
]
} |
adenosine , adenine , cyclic adenosine monophosphate ( amp ) , amp , nicotinamide adenine dinucleotide , adenosine diphosphate , and adenosine triphosphate ( atp ) were recovered quantitatively from aqueous portions of lipid extracts of microfouling , detrital , and sedimentary microbial communities . | NA | {
"id": "C0001443",
"name": "adenosine",
"pos": [
0,
9
]
} | {
"id": "C0001480",
"name": "adenosine triphosphate",
"pos": [
133,
155
]
} |
combinations of adenosine and adenine nucleotides gave better correlations with microbial biomass measured as extractable lipid phosphate in the detrital and microfouling microbial communities than did atp alone . | NA | {
"id": "C0001443",
"name": "adenosine",
"pos": [
16,
25
]
} | {
"id": "C0001480",
"name": "atp",
"pos": [
202,
205
]
} |
combinations of adenosine and adenine nucleotides gave better correlations with microbial biomass measured as extractable lipid phosphate in the detrital and microfouling microbial communities than did atp alone . | NA | {
"id": "C0001413",
"name": "adenine nucleotides",
"pos": [
30,
49
]
} | {
"id": "C0001480",
"name": "atp",
"pos": [
202,
205
]
} |
stresses such as anoxia or filtration are reflected in the rapid accumulation of intracellular adenosine and the excretion of adenosine and amp into the surrounding milieu . | NA | {
"id": "C0001443",
"name": "adenosine",
"pos": [
95,
104
]
} | {
"id": "C0001465",
"name": "amp",
"pos": [
140,
143
]
} |
collagenase , which is active on ichthyocol , earthworm collagen , and procollagen from chicken embryo fibroblasts , was found in the growth medium of all tested species ; | NA | {
"id": "C0009325",
"name": "collagen",
"pos": [
0,
8
]
} | {
"id": "C0033235",
"name": "procollagen",
"pos": [
71,
82
]
} |
specifically radiolabeled c- ( cellulose ) -lignocellulose and c- ( lignin ) -lignocellulose were isolated from labeled cuttings of spartina alterniflora ( cordgrass ) and pinus elliottii ( slash pine ) . | NA | {
"id": "C0007648",
"name": "cellulose",
"pos": [
31,
40
]
} | {
"id": "C0023705",
"name": "lignin",
"pos": [
68,
74
]
} |
for spartina lignocellulose , mineralization of the cellulose moiety was three times faster than that of the lignin moiety . | NA | {
"id": "C0007648",
"name": "cellulose",
"pos": [
18,
27
]
} | {
"id": "C0023705",
"name": "lignin",
"pos": [
109,
115
]
} |
during the growing season , comparisons were made of the leaf surface microflora of ( i ) two groups of mature oak trees , one in the vicinity of a smelting complex contaminated by heavy metals and the other at a relatively uncontaminated site , and ( ii ) two groups of oak saplings at the uncontaminated site , one of which was sprayed with zinc , lead , and cadmium to simulate the heavy metal pollution from the smelter without the complicating effects of other pollutants . | NA | {
"id": "C0043481",
"name": "zinc",
"pos": [
343,
347
]
} | {
"id": "C0347988",
"name": "heavy metal",
"pos": [
385,
396
]
} |
during the growing season , comparisons were made of the leaf surface microflora of ( i ) two groups of mature oak trees , one in the vicinity of a smelting complex contaminated by heavy metals and the other at a relatively uncontaminated site , and ( ii ) two groups of oak saplings at the uncontaminated site , one of which was sprayed with zinc , lead , and cadmium to simulate the heavy metal pollution from the smelter without the complicating effects of other pollutants . | NA | {
"id": "C0023175",
"name": "lead",
"pos": [
350,
354
]
} | {
"id": "C0347988",
"name": "heavy metal",
"pos": [
385,
396
]
} |
during the growing season , comparisons were made of the leaf surface microflora of ( i ) two groups of mature oak trees , one in the vicinity of a smelting complex contaminated by heavy metals and the other at a relatively uncontaminated site , and ( ii ) two groups of oak saplings at the uncontaminated site , one of which was sprayed with zinc , lead , and cadmium to simulate the heavy metal pollution from the smelter without the complicating effects of other pollutants . | NA | {
"id": "C0006632",
"name": "cadmium",
"pos": [
361,
368
]
} | {
"id": "C0347988",
"name": "heavy metal",
"pos": [
385,
396
]
} |
for the nonhuman hemoglobins , the deviation of a sample from its expected mobility increased with increasing amino acid divergence from human hemoglobin a.-it is concluded that the net electrostatic charge of a molecule is the principal determinant of electrophoretic mobility under the conditions studied . | NA | {
"id": "C0019046",
"name": "hemoglobins",
"pos": [
17,
28
]
} | {
"id": "C0019016",
"name": "hemoglobin a",
"pos": [
143,
155
]
} |
and ( iii ) hybridized to denatured viral rna , forming two segments of rnase-resistant rna that comigrated with virion dsrna in gels . | NA | {
"id": "C0035736",
"name": "viral",
"pos": [
36,
41
]
} | {
"id": "C0035668",
"name": "rna",
"pos": [
122,
125
]
} |
iridescent virus type 6 was found to contain an endogenous protein kinase activity which can phosphorylate some viral proteins and exogenous basic proteins . | NA | {
"id": "C0042736",
"name": "viral proteins",
"pos": [
112,
126
]
} | {
"id": "C0033684",
"name": "proteins",
"pos": [
147,
155
]
} |
multiple forms of both sensitive and insensitive enzymes are identified , and a model which is consistent with the observed isozymes and the difference in regulatory properties of enzymes obtained from seedlings of different ages is proposed . | NA | {
"id": "C0022173",
"name": "isozymes",
"pos": [
124,
132
]
} | {
"id": "C0014442",
"name": "enzymes",
"pos": [
180,
187
]
} |
however , addition of diamines or polyamines to the medium not only prevents the decline , but actually increases net thymidine incorporation , including a fraction going into dna . | NA | {
"id": "C0011957",
"name": "diamines",
"pos": [
22,
30
]
} | {
"id": "C0032433",
"name": "polyamines",
"pos": [
34,
44
]
} |
among three cytokinins detected in tobacco cells , the activity corresponding to the r ( f ) of authentic zeatin in thin layer chromatography changed in parallel with the mitotic index . | NA | {
"id": "C0010815",
"name": "cytokinins",
"pos": [
12,
22
]
} | {
"id": "C0043456",
"name": "zeatin",
"pos": [
106,
112
]
} |
shoot-forming tobacco callus is found to have high levels of adenosine phosphates and nad ( + ) , and a low energy charge during meristemoid and shoot primordium formation . | NA | {
"id": "C0001413",
"name": "adenosine",
"pos": [
61,
70
]
} | {
"id": "C0027270",
"name": "nad",
"pos": [
86,
89
]
} |
differences in the accumulation of total seed protein and globulin-1 ( g1 ) protein were detected among three inbred lines of common bean . | NA | {
"id": "C0017649",
"name": "globulin",
"pos": [
58,
66
]
} | {
"id": "C0033684",
"name": "protein",
"pos": [
76,
83
]
} |
the rna synthesized at 14-16 hours and 24-26 hours is primarily ribosomal rna when kinetin is present . | NA | {
"id": "C0035668",
"name": "rna",
"pos": [
4,
7
]
} | {
"id": "C0035701",
"name": "ribosomal rna",
"pos": [
64,
77
]
} |
a minor component ( 10 to 25 % of total starch ) with a linear structure , amylose , was preferentially degraded , whereas the major multiple-branched component ( about 80 % ) , amylopectin , showed an increasing resistance to degradation with leaf age . | NA | {
"id": "C0038179",
"name": "starch",
"pos": [
40,
46
]
} | {
"id": "C0002732",
"name": "amylose",
"pos": [
75,
82
]
} |
a minor component ( 10 to 25 % of total starch ) with a linear structure , amylose , was preferentially degraded , whereas the major multiple-branched component ( about 80 % ) , amylopectin , showed an increasing resistance to degradation with leaf age . | NA | {
"id": "C0038179",
"name": "starch",
"pos": [
40,
46
]
} | {
"id": "C0002728",
"name": "amylopectin",
"pos": [
178,
189
]
} |
the structural resistance of amylopectin to enzymic dark degradation was one of the barriers to starch dissolution in cotton . | NA | {
"id": "C0002728",
"name": "amylopectin",
"pos": [
29,
40
]
} | {
"id": "C0038179",
"name": "starch",
"pos": [
96,
102
]
} |
reduced ( gsh ) , oxidized ( gssg ) , and protein-bound ( pssg ) glutathione were determined in dry and hydrated wheat embryos . | NA | {
"id": "C0061516",
"name": "gssg",
"pos": [
29,
33
]
} | {
"id": "C0017817",
"name": "glutathione",
"pos": [
65,
76
]
} |
the membrane proteins were resolved into several major and minor protein bands of molecular weights ranging from 10,000 to 70,000 by acrylamide gel electrophoresis , and the protein pattern in the gel was different from those of the endoplasmic reticulum , mitochondrial , and glyoxysomal membranes . | NA | {
"id": "C0025252",
"name": "membrane proteins",
"pos": [
4,
21
]
} | {
"id": "C0033684",
"name": "protein",
"pos": [
174,
181
]
} |
however , the plastid isozyme releases atp first , whereas pyruvate is the first product released from the cytosolic enzyme . | NA | {
"id": "C0022173",
"name": "isozyme",
"pos": [
22,
29
]
} | {
"id": "C0014442",
"name": "enzyme",
"pos": [
117,
123
]
} |
the rates of incorporation of [ ( 75 ) se ] selenomethionine and [ ( 14 ) c ] methionine were similar when measured separately , but [ ( 75 ) se ] selenomethionine incorporation was 35 % less than [ ( 14 ) c ] methionine incorporation when both amino acids were present in equal molar concentrations . | NA | {
"id": "C0036584",
"name": "selenomethionine",
"pos": [
44,
60
]
} | {
"id": "C0025646",
"name": "methionine",
"pos": [
210,
220
]
} |
polyacrylamide gel electrophoresis of the hot trichloroacetic acid precipitable translation products demonstrated synthesis of high molecular weight labeled proteins in the presence of [ ( 75 ) se ] selenomethionine or [ ( 35 ) s ] methionine . | NA | {
"id": "C0036584",
"name": "selenomethionine",
"pos": [
199,
215
]
} | {
"id": "C0025646",
"name": "methionine",
"pos": [
232,
242
]
} |
it is demonstrated that ribulose 1,5-bisphosphate , atp , adp , amp , inorganic phosphate , hexose phosphate , triose phosphate , fructose 1,6-bisphosphate , and 3-phosphoglycerate can be reliably recovered in the subcellular fractions isolated from protoplasts , and measured by enzymic substrate analysis . | NA | {
"id": "C0019494",
"name": "hexose",
"pos": [
92,
98
]
} | {
"id": "C0016745",
"name": "fructose",
"pos": [
130,
138
]
} |
ice grows very slowly if at all from these units , and water moves very slowly from unfrozen cells to frozen ones . | NA | {
"id": "C0020746",
"name": "ice",
"pos": [
0,
3
]
} | {
"id": "C0043047",
"name": "water",
"pos": [
55,
60
]
} |
mung bean plants ( wilczek ) accumulate increasingly greater amounts of buffer-extractable copper in both their shoots and roots when grown in liquid medium containing greater than 2 micrograms per milliliter copper ( 31.4 micromolar ) as cupric sulfate . | NA | {
"id": "C0009968",
"name": "copper",
"pos": [
91,
97
]
} | {
"id": "C0056301",
"name": "cupric sulfate",
"pos": [
239,
253
]
} |
all the resistant cell lines , whether grown in the presence or absence of glycine hydroxamate , had high intracellular concentrations of the 12 free amino acids which were analyzed , including glycine and serine . | NA | {
"id": "C0002520",
"name": "amino acids",
"pos": [
150,
161
]
} | {
"id": "C0017890",
"name": "glycine",
"pos": [
194,
201
]
} |
the cellular toxicity of glycine hydroxamate is considered in relation to ( 1 ) the competitive inhibition by glycine hydroxamate of the glycine- and alanine-utilizing enzymes and ( 2 ) the resultant imbalances caused by high intracellular concentrations of these amino acids . | NA | {
"id": "C0017890",
"name": "glycine",
"pos": [
25,
32
]
} | {
"id": "C0002520",
"name": "amino",
"pos": [
264,
269
]
} |
the cellular toxicity of glycine hydroxamate is considered in relation to ( 1 ) the competitive inhibition by glycine hydroxamate of the glycine- and alanine-utilizing enzymes and ( 2 ) the resultant imbalances caused by high intracellular concentrations of these amino acids . | NA | {
"id": "C0001898",
"name": "alanine",
"pos": [
150,
157
]
} | {
"id": "C0002520",
"name": "amino",
"pos": [
264,
269
]
} |
the cytoplasmic isozyme of many cytoplasmic-organelle isozyme pairs , as well as other cytoplasmic enzymes in plants , can be readily obtained from pollen by soaking it in an appropriate buffer for 4 hours . | NA | {
"id": "C0022173",
"name": "isozyme",
"pos": [
16,
23
]
} | {
"id": "C0014442",
"name": "enzymes",
"pos": [
99,
106
]
} |
high levels of total rna , rrna , and total and soluble protein were observed in treated s. acaule plants as compared with controls , but not in s. tuberosum . | NA | {
"id": "C0035668",
"name": "rna",
"pos": [
21,
24
]
} | {
"id": "C0035701",
"name": "rrna",
"pos": [
27,
31
]
} |
comparison of nonnodulated roots , nodulated roots ( after removal of nodules ) , and nodules indicated that nodules may compete successfully with roots for carbohydrates , especially the disaccharides sucrose , alpha , alpha-trehalose , and maltose . | NA | {
"id": "C0012611",
"name": "disaccharides",
"pos": [
188,
201
]
} | {
"id": "C0038636",
"name": "sucrose",
"pos": [
202,
209
]
} |
comparison of nonnodulated roots , nodulated roots ( after removal of nodules ) , and nodules indicated that nodules may compete successfully with roots for carbohydrates , especially the disaccharides sucrose , alpha , alpha-trehalose , and maltose . | NA | {
"id": "C0012611",
"name": "disaccharides",
"pos": [
188,
201
]
} | {
"id": "C0024658",
"name": "maltose",
"pos": [
242,
249
]
} |
the mixed function oxidase trans-cinnamic acid 4-hydroxylase , cytochrome p-450 , cytochrome b ( 5 ) , and nadph-cytochrome c ( p-450 ) reductase were measured in microsomes from aging artichoke tuber slices exposed to manganese , ethanol , phenobarbital , and the herbicides chloro-ipc , dichlobenil , and monuron . | NA | {
"id": "C0076897",
"name": "trans-cinnamic acid 4-hydroxylase",
"pos": [
27,
60
]
} | {
"id": "C0010762",
"name": "cytochrome p-450",
"pos": [
63,
79
]
} |
a protein , immunologically cross-reactive with the g. max seed lectin , is present in g. soja seed extracts . | NA | {
"id": "C0033684",
"name": "protein",
"pos": [
2,
9
]
} | {
"id": "C0023206",
"name": "lectin",
"pos": [
64,
70
]
} |
the predominant proline-labeled protein extractable from the cell wall is rich in hydroxyproline as shown by its specific loss of ( 3 ) h from proline labeled in position 4 and its shift in electrophoretic mobility after labeling in the presence of an inhibitor of hydroxyproline synthesis . | NA | {
"id": "C0020388",
"name": "hydroxyproline",
"pos": [
82,
96
]
} | {
"id": "C0033382",
"name": "proline",
"pos": [
272,
279
]
} |
the major storage protein fraction , globulin-1 protein , of french bean ( phaseolus vulgaris l. ) was analyzed by two-dimensional electrophoresis . | NA | {
"id": "C0017649",
"name": "globulin",
"pos": [
37,
45
]
} | {
"id": "C0033684",
"name": "protein",
"pos": [
48,
55
]
} |
both extrachloroplastic activities hydrolyze amylopectin and shellfish glycogen and only slowly hydrolyze rabbit liver glycogen , beta-limit amylopectin , and amylose . | NA | {
"id": "C0017911",
"name": "glycogen",
"pos": [
71,
79
]
} | {
"id": "C0023902",
"name": "liver glycogen",
"pos": [
113,
127
]
} |
cytochrome reduction could be obtained by photoexcitation of either a tightly bound endogenous receptor , which is probably a flavin , or added riboflavin , flavin mononucleotide , or flavin adenine dinucleotide . | NA | {
"id": "C0035527",
"name": "riboflavin",
"pos": [
144,
154
]
} | {
"id": "C0016388",
"name": "flavin mononucleotide",
"pos": [
157,
178
]
} |
here rho is the density of the solvent of molecular weight m , c is stoichiometric concentration of electrolyte ( mol/liter ) , gamma is the fraction of solute present as unpaired ions , and y ( +/- ) is their activity coefficient . | NA | {
"id": "C0013832",
"name": "electrolyte",
"pos": [
100,
111
]
} | {
"id": "C0022023",
"name": "ions",
"pos": [
180,
184
]
} |
after isolated chloroplasts are labeled in the presence of cycloheximide , the chloroplast-made h ( + ) -atpase subunits are assembled into a complex that is indistinguishable from the authentic h ( + ) -atpase complex . | NA | {
"id": "C0162381",
"name": "chloroplast",
"pos": [
15,
26
]
} | {
"id": "C0018437",
"name": "h",
"pos": [
195,
196
]
} |
the ( 252 ) cf-pdms spectra of these films show monomer cation and anion molecular ions , ions of molecular aggregates , and positive and negative ion fragmentation patterns arising from the loss of various aliphatic side chains from the chlorin ring . | NA | {
"id": "C0003075",
"name": "anion",
"pos": [
67,
72
]
} | {
"id": "C0022023",
"name": "ion",
"pos": [
161,
164
]
} |
phycobilisomes are supramolecular assemblies of phycobiliproteins responsible for photosynthetic light collection in red algae and cyanobacteria . | NA | {
"id": "C0136979",
"name": "phycobilisomes",
"pos": [
0,
14
]
} | {
"id": "C0070980",
"name": "phycobiliproteins",
"pos": [
48,
65
]
} |
localization of the amino acid substitution site in a new variant of human serum albumin , albumin mexico-2 . | NA | {
"id": "C0304925",
"name": "human serum",
"pos": [
69,
80
]
} | {
"id": "C0001924",
"name": "albumin",
"pos": [
91,
98
]
} |
the conclusion of classical debye-huckel theory that a phase separation may occur in highly unsymmetrical plasmas or electrolytes is shown to be false and to arise from a serious error in the treatment of the interaction of pairs of the most highly charged ions . | NA | {
"id": "C0013832",
"name": "electrolytes",
"pos": [
117,
129
]
} | {
"id": "C0022023",
"name": "ions",
"pos": [
257,
261
]
} |
the circular dichroism spectra of 3-deazaadenosine , 8- ( alpha-hydroxyisopropyl ) -adenosine , and other purine nucleosides having a strong preference for the syn conformation are presented and compared with the theoretical results . | NA | {
"id": "C0041286",
"name": "deazaadenosine",
"pos": [
36,
50
]
} | {
"id": "C0034136",
"name": "purine nucleosides",
"pos": [
106,
124
]
} |
the circular dichroism spectra of 3-deazaadenosine , 8- ( alpha-hydroxyisopropyl ) -adenosine , and other purine nucleosides having a strong preference for the syn conformation are presented and compared with the theoretical results . | NA | {
"id": "C0001443",
"name": "adenosine",
"pos": [
41,
50
]
} | {
"id": "C0034136",
"name": "purine nucleosides",
"pos": [
106,
124
]
} |
three long-term ( 16-29 days ) low-level ( 0.14-0.28 ppm ) sulfur dioxide fumigations showed that exposure to this gas has deleterious effects on male sweat bees ( lasioglossum zephrum ) . | NA | {
"id": "C0038777",
"name": "sulfur dioxide",
"pos": [
59,
73
]
} | {
"id": "C0017110",
"name": "gas",
"pos": [
115,
118
]
} |
a dna-mediated transformation system for the blue-green alga agmenellum quadruplicatum , strain pr-6 , is described and characterized for dna concentration dependence , dependence on time of exposure to dna , phenotypic expression , sensitivity to various enzymes , and competence . | NA | {
"id": "C0000702",
"name": "a dna",
"pos": [
0,
5
]
} | {
"id": "C0012854",
"name": "dna",
"pos": [
203,
206
]
} |
these physical markers in the chloroplast genome and maternally inherited genetic markers showed strict cotransmission in reciprocal crosses . | NA | {
"id": "C0005516",
"name": "markers",
"pos": [
15,
22
]
} | {
"id": "C0017393",
"name": "genetic markers",
"pos": [
74,
89
]
} |
the process can inherently be very efficient , serving as a pump as well as a separator , and producing well over 10 ( 5 ) separative work units ( kg/year ) for the hydrogen/deuterium mixture at high-velocity flows . | NA | {
"id": "C0020275",
"name": "hydrogen",
"pos": [
165,
173
]
} | {
"id": "C0011744",
"name": "deuterium",
"pos": [
174,
183
]
} |
of the 27 flavonoids identified ( some tentatively ) all are flavonols : eight are based on kaempferol , seven on quercetin , four on 6-hydroxykaempferol and eight on the quercetagetin skeleton . | NA | {
"id": "C0596577",
"name": "flavonoids",
"pos": [
10,
20
]
} | {
"id": "C0060444",
"name": "flavonols",
"pos": [
61,
70
]
} |
of the 27 flavonoids identified ( some tentatively ) all are flavonols : eight are based on kaempferol , seven on quercetin , four on 6-hydroxykaempferol and eight on the quercetagetin skeleton . | NA | {
"id": "C0060444",
"name": "flavonols",
"pos": [
61,
70
]
} | {
"id": "C0034392",
"name": "quercetin",
"pos": [
114,
123
]
} |
summary seventy-three flocks of fowl were tested at regular intervals for the presence of precipitins to fowl adenovirus ( av ) and infectious bronchitis virus ( ibv ) , haem-agglutinating inhibiting antibodies to bc14 virus , and of agglutinins to mycoplasma gallisepticum ( m.g . ) and mycoplasma synoviae ( m.s . ) . | NA | {
"id": "C0032936",
"name": "precipitins",
"pos": [
90,
101
]
} | {
"id": "C0003241",
"name": "antibodies",
"pos": [
200,
210
]
} |
elevated oxygen levels ( 80-100 % ) depressed myoglobin oxidation , increasing the time to 50 % metmyoglobin formation from four to about thirteen days . | NA | {
"id": "C0027078",
"name": "myoglobin",
"pos": [
46,
55
]
} | {
"id": "C0025852",
"name": "metmyoglobin",
"pos": [
96,
108
]
} |
progressive changes have been identified in the solubility of muscle-cell proteins during post-mortem muscle ageing , particularly the cytoskeletal proteins , desmin and connectin . | NA | {
"id": "C0033684",
"name": "proteins",
"pos": [
74,
82
]
} | {
"id": "C0010852",
"name": "cytoskeletal",
"pos": [
135,
147
]
} |
nitrogen oxides ( nox ) ( = nitrogen oxide ( no ) + nitrogen dioxide ) monitor based on an hydrogen-atom direct chemiluminescence method . | NA | {
"id": "C0028167",
"name": "nitrogen oxides",
"pos": [
0,
15
]
} | {
"id": "C0028160",
"name": "nitrogen",
"pos": [
52,
60
]
} |
besides being deficient in the repair of mnng-damaged adenoviruses mer ( - ) cells also have difficulty in repairing viruses damaged either by other n-alkyl-n'-nitro-n-nitrosoguanidines , or by n-methyl- or n-ethyl-n-nitrosoureas . | NA | {
"id": "C0025800",
"name": "mnng",
"pos": [
41,
45
]
} | {
"id": "C0028203",
"name": "nitrosoguanidines",
"pos": [
168,
185
]
} |
an in vitro metabolic activation assay using liver microsomes in diffusion chambers : induction of sister chromatid exchanges and chromosome aberrations by cyclophosphamide or ifosfamide in cultured human and chinese hamster cells . | NA | {
"id": "C0010583",
"name": "cyclophosphamide",
"pos": [
156,
172
]
} | {
"id": "C0020823",
"name": "ifosfamide",
"pos": [
176,
186
]
} |
when a human lymphoid cell line , b35m , or chinese hamster cell lines , v79 and cho , are cultured with the diffusion chamber containing s-9 mix and the well-known indirect mutagen cyclophosphamide or its analog ifosfamide , a dose related increase in sce or chromosome aberrations is observed in all the lines . | NA | {
"id": "C0010583",
"name": "cyclophosphamide",
"pos": [
182,
198
]
} | {
"id": "C0020823",
"name": "ifosfamide",
"pos": [
213,
223
]
} |
when the nuclei isolated from novikoff hepatomas were incubated in vitro with s-adenosyl-l- [ 3h-methyl ] methionine and the nuclear proteins were subsequently fractionated , histones were found to have incorporated the radioactivity of a four-to-five times higher rate than those of normal rat or tumor-bearing host rat liver nuclei . | NA | {
"id": "C0028589",
"name": "nuclear proteins",
"pos": [
125,
141
]
} | {
"id": "C0019652",
"name": "histones",
"pos": [
175,
183
]
} |
the effect of 2 retinoids , 13-cis-retinoic acid and 4-methoxy-2,3,6-trimethylphenyl analog of retinoic acid ethyl amide ( designated roll-1430 ) , on tracheal tumor development in hamsters exposed to n-nitroso-n-methylurea was tested . | NA | {
"id": "C0035339",
"name": "retinoids",
"pos": [
16,
25
]
} | {
"id": "C0022265",
"name": "13-cis-retinoic acid",
"pos": [
28,
48
]
} |
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