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Real-life crime scene investigators and forensic scientists warn that popular television shows do not give a realistic picture of the work, often wildly distorting its nature, and exaggerating the ease, speed, effectiveness, drama, glamour, influence and comfort level of their jobs—which they describe as far more munda... | 0 | Theoretical and Fundamental Chemistry |
In polymer chemistry, compatibilization is the addition of a substance to an immiscible blend of polymers that will increase their stability. Polymer blends are typically described by coarse, unstable phase morphologies; this results in poor mechanical properties. Compatibilizing the system will make a more stable and ... | 0 | Theoretical and Fundamental Chemistry |
Generally speaking, carbohydrates can be classified into two groups, simple sugars, and complex carbohydrates. Simple sugars, also called monosaccharides, are carbohydrates that cannot be further broke down by hydrolysis. When glycosidic linkages connect two or more monosaccharide units, complex carbohydrates are forme... | 0 | Theoretical and Fundamental Chemistry |
K'Airmobiles vehicles were intended to be commercialized from a project developed in France in 2006–2007 by a small group of researchers. However, the project has not been able to gather the necessary funds.
People should note that, meantime, the team has recognized the physical impossibility to use on-board stored com... | 1 | Applied and Interdisciplinary Chemistry |
Stefan adhesion is the normal stress (force per unit area) acting between two discs when their separation is attempted. Stefan's law governs the flow of a viscous fluid between the solid parallel plates and thus the forces acting when the plates are approximated or separated.
The force resulting at distance between t... | 0 | Theoretical and Fundamental Chemistry |
Immunologic adjuvants are substances, administered in conjunction with a vaccine, that stimulate the immune system and increase the response to the vaccine. Squalene is not itself an adjuvant, but it has been used in conjunction with surfactants in certain adjuvant formulations.
An adjuvant using squalene is Seqirus pr... | 1 | Applied and Interdisciplinary Chemistry |
The International Society for the History of Pharmacy (ISHP) is a non profit international society devoted to the academic study of the history of pharmacy. The umbrella organization of 29 national societies promotes research, teaching and publication in pharmaceutical history. It regularly organizes congresses and awa... | 1 | Applied and Interdisciplinary Chemistry |
CDI is mainly employed to convert amines into amides, carbamates, ureas. It can also be used to convert alcohols into esters. | 0 | Theoretical and Fundamental Chemistry |
The hexahydrate and the anhydrous salt are weak Lewis acids. The adducts are usually either octahedral or tetrahedral. It forms an octahedral complex with pyridine ():
With triphenylphosphine (), a tetrahedral complex results:
Salts of the anionic complex CoCl can be prepared using tetraethylammonium chloride:
: + 2 [... | 0 | Theoretical and Fundamental Chemistry |
FRELEX was developed in 2016 by [https://neoaptamers.com/ NeoVentures Biotechnology Inc] to allow the selection of aptamers without immobilizing the target or the oligonucleotide library. Immobilization is a necessary component of SELEX; however, it has the potential to inhibit key epitopes, and thus weaken the likelih... | 1 | Applied and Interdisciplinary Chemistry |
For the parallel-plate capacitor we have , where is the applied voltage. As a single ionization was assumed is the elementary charge . We can now put () and () into () and get
Putting this into (5) and transforming to we get the Paschen law for the breakdown voltage that was first investigated by Paschen in
and who... | 0 | Theoretical and Fundamental Chemistry |
In chemical physics and physical chemistry, chemical affinity is the electronic property by which dissimilar chemical species are capable of forming chemical compounds. Chemical affinity can also refer to the tendency of an atom or compound to combine by chemical reaction with atoms or compounds of unlike composition.... | 0 | Theoretical and Fundamental Chemistry |
1-Pyrroline-5-carboxylic acid (systematic name 3,4-dihydro-2H-pyrrole-2-carboxylic acid) is a cyclic imino acid. Its conjugate base and anion is 1-pyrroline-5-carboxylate (P5C). In solution, P5C is in spontaneous equilibrium with glutamate-5-semialdhyde (GSA). | 1 | Applied and Interdisciplinary Chemistry |
In Batesian mimicry, potential prey organisms will mimic chemicals emitted by an organism that poses a greater risk to the predator in order to deter attack. Most commonly this form of chemical mimicry is seen in plant species through the release of mimicked defense chemicals. The organism being mimicked may contain no... | 1 | Applied and Interdisciplinary Chemistry |
A linear combination of atomic orbitals or LCAO is a quantum superposition of atomic orbitals and a technique for calculating molecular orbitals in quantum chemistry. In quantum mechanics, electron configurations of atoms are described as wavefunctions. In a mathematical sense, these wave functions are the basis set of... | 0 | Theoretical and Fundamental Chemistry |
Bioswales work to remove pollutants through vegetation and the soil. As the storm water runoff flows through the bioswale, the pollutants are captured and settled by the leaves and stems of the plants. The pollutants then enter the soil where they decompose or can be broken down by bacteria in healthy soil.
There are s... | 1 | Applied and Interdisciplinary Chemistry |
Homing endonucleases are always indicated with a prefix that identifies their genomic origin, followed by a hyphen: "I-" for homing endonucleases encoded within an intron, "PI-" (for "protein insert") for those encoded within an intein. Some authors have proposed using the prefix "F-" ("freestanding") for viral enzymes... | 1 | Applied and Interdisciplinary Chemistry |
The synthesis of an mRNA display library starts from the synthesis of a DNA library. A DNA library for any protein or small peptide of interest can be synthesized by solid-phase synthesis followed by PCR amplification. Usually, each member of this DNA library has a T7 RNA polymerase transcription site and a ribosomal b... | 1 | Applied and Interdisciplinary Chemistry |
In recent years, more advanced UV-VIS detectors have been increasingly used, based on diode arrays and entire spectrum collection at any given moment of data collection. The are called Diode Array detectors, and they collect entire UV spectra of every point the eluting peaks, while operating as a multi-wavelength UV-v... | 0 | Theoretical and Fundamental Chemistry |
In the absence of plentiful oxygen, aerobic bacteria were prevented from decaying the organic matter after it was buried under a layer of sediment or water. However, anaerobic bacteria were able to reduce sulfates and nitrates among the matter to HS and N respectively by using the matter as a source for other reactants... | 0 | Theoretical and Fundamental Chemistry |
Section 3.8 introduces atomic units and gives a table of atomic units of various physical quantities and the conversion factor to the SI units. Section 7.3(v) gives a concise but clear tutorial on practical use of atomic units, in particular how to understand equations "written in atomic units". | 0 | Theoretical and Fundamental Chemistry |
Andrew Carnegie, a Scottish immigrant, advanced the cheap and efficient mass production of steel rails for railroad lines, by adopting the Bessemer process. After an early career in railroads, Carnegie foresaw the potential for steel to amass vast profits. He asked his cousin, George Lauder to join him in America fro... | 1 | Applied and Interdisciplinary Chemistry |
Usually the initial measurement is the minimal level of fluorescence, . This is the fluorescence in the absence of photosynthetic light.
To use measurements of chlorophyll fluorescence to analyse photosynthesis, researchers must distinguish between photochemical quenching and non-photochemical quenching (heat dissipati... | 0 | Theoretical and Fundamental Chemistry |
Levofloxacin is a broad-spectrum antibiotic that is active against both Gram-positive and Gram-negative bacteria. Like all quinolones, it functions by inhibiting the DNA gyrase and topoisomerase IV, two bacterial type IIA topoisomerases. Topoisomerase IV is necessary to separate DNA that has been replicated (doubled) p... | 0 | Theoretical and Fundamental Chemistry |
The visualization of single molecules, single biological cells, biological tissues and nanomaterials is very important and attractive approach in analytical science. Also, hybridization with other traditional analytical tools is revolutionizing analytical science. Microscopy can be categorized into three different fiel... | 0 | Theoretical and Fundamental Chemistry |
In 1913, chemists Frederick Soddy and Kasimir Fajans independently observed that alpha decay caused atoms to shift down two places on the periodic table, while the loss of two beta particles restored it to its original position. Under the resulting reorganisation of the periodic table, radium was placed in group II, ac... | 0 | Theoretical and Fundamental Chemistry |
The world's supply of titanium metal, about 250,000 tons per year, is made from . The conversion involves the reduction of the tetrachloride with magnesium metal. This procedure is known as the Kroll process:
In the Hunter process, liquid sodium is the reducing agent instead of magnesium. | 0 | Theoretical and Fundamental Chemistry |
Laplaces improvements in theory were substantial, but they still left prediction in an approximate state. This position changed in the 1860s when the local circumstances of tidal phenomena were more fully brought into account by William Thomsons application of Fourier analysis to the tidal motions as harmonic analysis.... | 1 | Applied and Interdisciplinary Chemistry |
The Influenza Antiviral Drug Search conducted millions of virtual docking experiments in order to discover compounds that may be suitable for real-world clinical trials to combat new or drug resistant strains of influenza virus.
One vulnerability of all influenza strains is that they need viral neuraminidase, NS1 Influ... | 1 | Applied and Interdisciplinary Chemistry |
In addition to the scanning forms of Fourier-transform spectrometers, there are a number of stationary or self-scanned forms. While the analysis of the interferometric output is similar to that of the typical scanning interferometer, significant differences apply, as shown in the published analyses. Some stationary for... | 0 | Theoretical and Fundamental Chemistry |
Brills submissions to the XIVth International Congress on Glass, which took place in New Delhi in 1986, can be seen to represent the origins of his work on the Great Silk Road, the impressive trade route carrying goods from the East through India to Europe. Here, chemical analysis of Early Indian glasses helped Brill d... | 0 | Theoretical and Fundamental Chemistry |
O-donors such as HPO were abundant in the prebiotic atmosphere. Metal ion binding to such O-donors was required to build the biological polymers, since the bond is generally weak, it can catalyze the required reaction and dissociate after (i.e. Mg in DNA synthesis). | 0 | Theoretical and Fundamental Chemistry |
Massive parallel signature sequencing (MPSS) is a procedure that is used to identify and quantify mRNA transcripts, resulting in data similar to serial analysis of gene expression (SAGE), although it employs a series of biochemical and sequencing steps that are substantially different. | 1 | Applied and Interdisciplinary Chemistry |
The industrial production of microbial food cultures is carried out after careful selection process and under strictly controlled conditions. First, the microbiology laboratory, where the original strains are kept, prepares the inoculation material, which is a small quantity of microbes of a single (pure) strain. Then,... | 1 | Applied and Interdisciplinary Chemistry |
Cobalt extraction refers to the techniques used to extract cobalt from its ores and other compound ores. Several methods exist for the separation of cobalt from copper and nickel. They depend on the concentration of cobalt and the exact composition of the ore used. | 1 | Applied and Interdisciplinary Chemistry |
Symplekin (SYMPK) is a scaffolding protein that mediates the interaction between CPSF and CstF.
In mammalian CPSF, both cleavage factor I (CFI) and cleavage and polyadenylation specificity factor (CPSF) are required for cleavage and polyadenylation whereas cleavage stimulation factor (CstF) is only essential for the cl... | 1 | Applied and Interdisciplinary Chemistry |
This is a device formed by a metallic bar (called the agitation bar) which is normally covered by a plastic layer, and a sheet that has underneath it a rotatory magnet or a series of electromagnets arranged in a circular form to create a magnetic rotatory field. Commonly, the sheet has an arrangement of electric resist... | 1 | Applied and Interdisciplinary Chemistry |
A partial extraction procedure was developed in 1935 which involved reacting the compound with benzoyl chloride to allow it to be separated from the water-soluble components. The compound was first isolated and purified to crystals by Osamu Shimomura. The structure of the compound was confirmed some years later. Feedin... | 1 | Applied and Interdisciplinary Chemistry |
Soderholm was awarded her PhD in 1982 by McMaster University under the direction of Prof John Greedan. Her dissertation focused on characterizing the structural and magnetic properties of a series of ternary f-ion oxides. After graduating, she was awarded a NATO postdoctoral fellow at the Centre national de la recherch... | 0 | Theoretical and Fundamental Chemistry |
Although there are many diverse pathogens, many of which are constantly mutating, it is a surprise that a majority of individuals remain free of infections. Thus, maintenance of health requires the body to recognize all pathogens (antigens they present or produce) likely to exist. This is achieved by maintaining a pool... | 1 | Applied and Interdisciplinary Chemistry |
Trandolapril is a prodrug that is deesterified to trandolaprilat. It is believed to exert its antihypertensive effect through the renin–angiotensin–aldosterone system. Trandolapril has a half-life of about six hours, while trandolaprilat has a half life of about ten hours. Trandolaprilat has about eight times the activ... | 0 | Theoretical and Fundamental Chemistry |
From 1995 Murray worked at the Thomas J. Watson Research Center at IBM. From 2000 to 2006 he headed their Nanoscale Materials and Devices Department. In 2006 the University of Pennsylvania announced his appointment as the Richard Perry University Professor, with appointments in Chemistry and Materials Science, in the s... | 0 | Theoretical and Fundamental Chemistry |
Swiss-Prot lists 137 types of neuraminidase from various species as of October 18, 2006. Nine subtypes of influenza neuraminidase are known; many occur only in various species of duck and chicken. Subtypes N1 and N2 have been positively linked to epidemics in humans, and strains with N3 or N7 subtypes have been identif... | 0 | Theoretical and Fundamental Chemistry |
To specify the crystal form of a compound or element the Pearson symbol may be used. The use of Strukturbericht (e.g. A1 etc) or Greek letters is not acceptable. The Pearson symbol may be followed by the space group and the prototype formula. Examples are:
* , diamond
* ( type) | 0 | Theoretical and Fundamental Chemistry |
At least five different kinds of snRNPs join the spliceosome to participate in splicing. They can be visualized by gel electrophoresis and are known individually as: U1, U2, U4, U5, and U6. Their snRNA components are known, respectively, as: U1 snRNA, U2 snRNA, U4 snRNA, U5 snRNA, and U6 snRNA.
In the mid-1990s, it was... | 1 | Applied and Interdisciplinary Chemistry |
A crystal model is a teaching aid used for understanding concepts in crystallography and the morphology of crystals. Models are ideal to learn recognizing symmetry elements in crystals. | 0 | Theoretical and Fundamental Chemistry |
Bifidobacterium bifidum utilizes a lactic acid fermentation pathway that produces more ATP than either homolactic fermentation or heterolactic fermentation:
:2 Glucose + 5 ADP + 5 P → 3 Acetate + 2 Lactate + 5 ATP | 1 | Applied and Interdisciplinary Chemistry |
Two or more methine bridges can overlap, forming a chain or ring of carbon atoms connected by alternating single and double bonds, as in piperylene , or the compound
Every carbon atom in this molecule is a methine carbon atom, except for three; two that are attached to the two nitrogen atoms and not to any hydrogen ato... | 0 | Theoretical and Fundamental Chemistry |
In November 2007, a controversial aerial approach was used to spray microencapsulated LBAM pheromone in urban and rural areas of the counties of Santa Cruz and Monterey California to combat the invasive light brown apple moth. Usually the effect of disruption of orientation of the male moths to females (or monitoring p... | 1 | Applied and Interdisciplinary Chemistry |
By chemically crosslinking the rings contained in the polyrotaxanes, sliding gels are obtained by being topologically interlocked by figure-of-eight crosslinks. Although it is a polymer network (gel), the rings are not fixed on the polyrotaxanes in the polymer network, the crosslinks of rings are able to freely move al... | 0 | Theoretical and Fundamental Chemistry |
In some cases, an additional rate enhancement is seen for the lighter isotope, possibly due to quantum mechanical tunnelling. This is typically only observed for reactions involving bonds to hydrogen atoms.
Tunneling occurs when a molecule penetrates through a potential energy barrier rather than over it. Although not ... | 0 | Theoretical and Fundamental Chemistry |
The main properties of these conductors include:
* Good corrosion resistance of copper
* High tensile strength of steel
* Resistance against material fatigue | 1 | Applied and Interdisciplinary Chemistry |
Not all atoms attract electrons with the same force. The amount of "pull" an atom exerts on its electrons is called its electronegativity. Atoms with high electronegativitiessuch as fluorine, oxygen, and nitrogenexert a greater pull on electrons than atoms with lower electronegativities such as alkali metals and alkali... | 0 | Theoretical and Fundamental Chemistry |
Faradays electrochemical paradox arises from his famous experiment of 1833. Concentrated nitric acid had been synthesized and although Faraday did not have a pH meter (the pH scale would not be developed for another seventy years), Faraday knew from various tests (e.g. taste and time of dissolution of calcite chips) t... | 0 | Theoretical and Fundamental Chemistry |
RPMs were originally developed for screening individuals and vehicles at secure facilities such as weapons laboratories. They were deployed at scrap metal facilities to detect radiation sources mixed among scrap that could contaminate a facility and result in a costly clean up. As part of the effort to thwart nuclear ... | 0 | Theoretical and Fundamental Chemistry |
In humans, DNA methylation occurs at the 5' position of the pyrimidine ring of the cytosine residues within CpG sites to form 5-methylcytosines. The presence of multiple methylated CpG sites in CpG islands of promoters causes stable silencing of genes. Silencing of a gene may be initiated by other mechanisms, but thi... | 1 | Applied and Interdisciplinary Chemistry |
The germanium-vacancy center (Ge-V) is an optically active defect in diamond, which can be created by doping germanium into diamond during its growth or by implanting germanium ions into diamond after its growth. Its properties are similar to those of the silicon-vacancy center in diamond (SiV). Ge-V can behave as a si... | 0 | Theoretical and Fundamental Chemistry |
The LH 2 is usually bound to photosystem II, but it can undock and bind PS I instead depending on light conditions. This behavior is controlled by reversible phosphorylation. This reaction represents a system for balancing the excitation energy between the two photosystems. | 0 | Theoretical and Fundamental Chemistry |
Chemokines (), or chemotactic cytokines, are a family of small cytokines or signaling proteins secreted by cells that induce directional movement of leukocytes, as well as other cell types, including endothelial and epithelial cells. In addition to playing a major role in the activation of host immune responses, chemok... | 1 | Applied and Interdisciplinary Chemistry |
Intensities of spectra of individual atoms or molecules typically vary linearly
with the numerical gas density. However, if gas densities are sufficiently
increased, quite generally contributions may also be observed that vary as density
squared, cubed... These are the collision-induced spectra of two-body (and
quit... | 0 | Theoretical and Fundamental Chemistry |
There is great variability in the use of the lost-wax method in East Asia. The casting method to make bronzes till the early phase of Eastern Zhou (770-256 ) was almost invariably section-mold process. Starting from around 600 , there was an unmistakable rise of lost-wax casting in the central plains of China, first wi... | 1 | Applied and Interdisciplinary Chemistry |
Catastrophin (Catastrophe-related protein) is a term use to describe proteins that are associated with the disassembly of microtubules. Catastrophins affect microtubule shortening, a process known as microtubule catastrophe. | 1 | Applied and Interdisciplinary Chemistry |
Forging temperature is the temperature at which a metal becomes substantially more soft, but is lower than the melting temperature, such that it can be reshaped by forging. Bringing a metal to its forging temperature allows the metal's shape to be changed by applying a relatively small force, without creating cracks. F... | 0 | Theoretical and Fundamental Chemistry |
Lichens demonstrate chemical defenses similar to those mentioned above. Their defenses act against herbivores and pathogens including bacterial, viral, and fungal varieties. To that end, a variety of chemicals are produced by the lichens mycobiont via hydrocarbons produced by the lichens photobiont. However, a single d... | 1 | Applied and Interdisciplinary Chemistry |
On 16 September 2015, first linking was completed of rivers Krishna and Godavari. It is still under review. But it isn't considered as a true river interlinking as it is just a small lift irrigation with few lines of pipes. | 1 | Applied and Interdisciplinary Chemistry |
Lipofuscin is the name given to fine yellow-brown pigment granules composed of lipid-containing residues of lysosomal digestion. It is considered to be one of the aging or "wear-and-tear" pigments, found in the liver, kidney, heart muscle, retina, adrenals, nerve cells, and ganglion cells. | 1 | Applied and Interdisciplinary Chemistry |
The boat conformation (C, below) is a transition state, allowing the interconversion between two different twist-boat conformations. While the boat conformation is not necessary for interconversion between the two chair conformations of cyclohexane, it is often included in the reaction coordinate diagram used to descri... | 0 | Theoretical and Fundamental Chemistry |
A typical XPS spectrum is a plot of the number of electrons detected at a specific binding energy. Each element produces a set of characteristic XPS peaks. These peaks correspond to the electron configuration of the electrons within the atoms, e.g., 1s, 2s, 2p, 3s, etc. The number of detected electrons in each peak is ... | 0 | Theoretical and Fundamental Chemistry |
Uranium-lead dating is usually performed on the mineral zircon (ZrSiO), though other materials can be used. Zircon incorporates uranium atoms into its crystalline structure as substitutes for zirconium, but strongly rejects lead. It has a high blocking temperature, is resistant to mechanical weathering and is chemical... | 0 | Theoretical and Fundamental Chemistry |
The light chain gene has three gene segments. These include: the light chain variable region (V), joining region (J), and constant region (C) gene segments. The variable region of light is therefore encoded by the rearrangement of VJ segments. The light chain can be either kappa,κ or lambda,λ. This process takes place... | 1 | Applied and Interdisciplinary Chemistry |
The ETS family is present throughout the body and is involved in a wide variety of functions including the regulation of cellular differentiation, cell cycle control, cell migration, cell proliferation, apoptosis (programmed cell death) and angiogenesis.
Multiple ETS factors have been found to be associated with cance... | 1 | Applied and Interdisciplinary Chemistry |
In industrial cleaning applications, cavitation has sufficient power to overcome the particle-to-substrate adhesion forces, loosening contaminants. The threshold pressure required to initiate cavitation is a strong function of the pulse width and the power input. This method works by generating acoustic cavitation in t... | 1 | Applied and Interdisciplinary Chemistry |
Combination therapy with two or more antibiotics are often used in an effort to treat multi-drug resistant Gram-negative bacteria. | 1 | Applied and Interdisciplinary Chemistry |
The intramolecular Heck reaction (IMHR) in chemistry is the coupling of an aryl or alkenyl halide with an alkene in the same molecule. The reaction may be used to produce carbocyclic or heterocyclic organic compounds with a variety of ring sizes. Chiral palladium complexes can be used to synthesize chiral intramolecula... | 0 | Theoretical and Fundamental Chemistry |
These works concern, on the one hand, consideration of the basics of the method and analysis of the nature of errors, and, on the other hand, experimental determination of the age of uranites from different pegmatite veins both by the uranium/lead ratio and by Lan's oxygen method, which was developed and refined in the... | 0 | Theoretical and Fundamental Chemistry |
The scientific activities of the IIR are organised into five Sections, each of which is divided into two Commissions; there are thus 10 Commissions: | 0 | Theoretical and Fundamental Chemistry |
The one-dimensional infinite square well of length L is a model for a one-dimensional box with the potential energy:
It is a standard model-system in quantum mechanics for which the solution for a single particle is well known. Since the potential inside the box is uniform, this model is referred to as 1D uniform gas, ... | 0 | Theoretical and Fundamental Chemistry |
PSI accepts electrons from plastocyanin and transfers them either to NADPH (noncyclic electron transport) or back to cytochrome bf (cyclic electron transport):
plastocyanin → P700 → P700 → FNR → NADPH
bf ← phylloquinone
PSI, like PSII, is a complex, highly ... | 0 | Theoretical and Fundamental Chemistry |
Host response is defined as the "response of the host organism (local and systemic) to the implanted material or device". Most materials will have a reaction when in contact with the human body. The success of a biomaterial relies on the host tissue's reaction with the foreign material. Specific reactions between the h... | 1 | Applied and Interdisciplinary Chemistry |
Tritium's decay product helium-3 has a very large cross section (5330 barns) for reacting with thermal neutrons, expelling a proton; hence, it is rapidly converted back to tritium in nuclear reactors. | 0 | Theoretical and Fundamental Chemistry |
Since facultative anaerobes are able to grow in both the presence and absence of oxygen, they can survive in many different environments, adapt easily to changing conditions, and thus have a selective advantage over other bacteria. As a result, most life-threatening pathogens are facultative anaerobes.
The ability of f... | 1 | Applied and Interdisciplinary Chemistry |
A number of methods of measuring distribution coefficients have been developed, including the shake-flask, separating funnel method, reverse-phase HPLC, and pH-metric techniques. | 0 | Theoretical and Fundamental Chemistry |
In the context of coding theory, can be constructed by measuring the expected number of extra bits required to code samples from using a code optimized for rather than the code optimized for . | 0 | Theoretical and Fundamental Chemistry |
Biochemistry is the study of the chemical processes in living organisms. It deals with the structure and function of cellular components such as proteins, carbohydrates, lipids, nucleic acids and other biomolecules.
Articles related to biochemistry include:
__NOTOC__ | 1 | Applied and Interdisciplinary Chemistry |
A thermal power station is a type of power station in which heat energy is converted to electrical energy. In a steam-generating cycle heat is used to boil water in a large pressure vessel to produce high-pressure steam, which drives a steam turbine connected to an electrical generator. The low-pressure exhaust from th... | 1 | Applied and Interdisciplinary Chemistry |
Surface diffusion may be studied by a variety of techniques, including both direct and indirect observations. Two experimental techniques that have proved very useful in this area of study are field ion microscopy and scanning tunneling microscopy. By visualizing the displacement of atoms or clusters over time, it is p... | 0 | Theoretical and Fundamental Chemistry |
Nucleobases, such as guanine and adenine, can be synthesized from simple carbon and nitrogen sources, such as hydrogen cyanide (HCN) and ammonia. Formamide produces all four ribonucleotides when warmed with terrestrial minerals. Formamide is ubiquitous in the Universe, produced by the reaction of water and HCN. It can ... | 0 | Theoretical and Fundamental Chemistry |
In mammals, UPR has mostly been studied using transfection with a truncated, dysfunctional mitochondrial enzyme (OTCΔ) that does not fold correctly after translocation into the mitochondrial matrix. Using this approach, several components of the mammalian UPR have been identified including the mitochondrial chaperone h... | 1 | Applied and Interdisciplinary Chemistry |
The preinitiation complex (abbreviated PIC) is a complex of approximately 100 proteins that is necessary for the transcription of protein-coding genes in eukaryotes and archaea. The preinitiation complex positions RNA polymerase II (Pol II) at gene transcription start sites, denatures the DNA, and positions the DNA in... | 1 | Applied and Interdisciplinary Chemistry |
Advantages of screening low molecular weight fragment based libraries over traditional higher molecular weight chemical libraries are several. These include:
* More hydrophilic hits in which hydrogen bonding is more likely to contribute to affinity (enthalpically driven binding). It is generally much easier to incre... | 1 | Applied and Interdisciplinary Chemistry |
If the gas is ideal, both the initial (, , ) and final (, , ) conditions follow the Ideal Gas Law, so that initially
and then, after the tap is opened,
Here is the number of moles of gas and is the molar ideal gas constant. Because the internal energy does not change and the internal energy of an ideal gas is solely ... | 0 | Theoretical and Fundamental Chemistry |
petite (ρ–) is a mutant first discovered in the yeast Saccharomyces cerevisiae. Due to the defect in the respiratory chain, petite yeast are unable to grow on media containing only non-fermentable carbon sources (such as glycerol or ethanol) and form small colonies when grown in the presence of fermentable carbon sourc... | 1 | Applied and Interdisciplinary Chemistry |
In the context of chemical engineering, process integration can be defined as a holistic approach to process design and optimization, which exploits the interactions between different units in order to employ resources effectively and minimize costs.
Process integration is not limited to the design of new plants, but i... | 1 | Applied and Interdisciplinary Chemistry |
The aniline point of an oil is defined as the minimum temperature at which equal volumes of aniline () and lubricant oil are miscible, i.e. form a single phase upon mixing.
The value gives an approximation for the content of aromatic compounds in the oil, since the miscibility of aniline, which is also an aromatic comp... | 0 | Theoretical and Fundamental Chemistry |
Paleosalinity (or palaeosalinity) is the salinity of the global ocean or of an ocean basin at a point in geological history. | 0 | Theoretical and Fundamental Chemistry |
Given an increasing wartime shortage of tin, his team also commenced investigations into the production of titanium tetrachloride from local resources as an alternative material to replace stannic (tin) chloride in a number of applications. Previously prepared overseas by chlorinating titanium white pigment (titanium d... | 0 | Theoretical and Fundamental Chemistry |
When the tissues release carbon dioxide into the bloodstream, around 10% is dissolved into the plasma. The rest of the carbon dioxide is carried either directly or indirectly by hemoglobin. Approximately 10% of the carbon dioxide carried by hemoglobin is in the form of carbaminohemoglobin. This carbaminohemoglobin is f... | 1 | Applied and Interdisciplinary Chemistry |
Tertiary phosphines characteristically oxidize to give phosphine oxides with the formula RPO. The reaction with oxygen is spin-forbidden but still proceeds at sufficient rate that samples of tertiary phosphines are characteristically contaminated with phosphine oxides. Qualitatively, the rates of oxidation are higher f... | 0 | Theoretical and Fundamental Chemistry |
Squalene is a biochemical precursor to both steroids and hopanoids. For sterols, the squalene conversion begins with oxidation (via squalene monooxygenase) of one of its terminal double bonds, resulting in 2,3-oxidosqualene. It then undergoes an enzyme-catalysed cyclisation to produce lanosterol, which can be elaborate... | 1 | Applied and Interdisciplinary Chemistry |
The ancient phrase survives in modified form in the British Medical Journals long-established "Materia Non Medica" column, the title indicating non-medical material that doctors wished to report from their travels and other experiences. For example, in June 1977, the journal contained "Materia Non Medica" reports on an... | 1 | Applied and Interdisciplinary Chemistry |
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