How To Use Molecular weight In A Sentence
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Alcohols and ethers with higher molecular weights are not miscible in water, however, because the water molecules can not completely surround those molecules.
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Despite efforts from several laboratories there has been no success in purifying the enzyme from plant tissues catalysing the synthesis of low or high molecular weight amide-linked conjugates.
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For example, plant monomeric forms, composed only of catalytic subunits, are relatively common in plant species and coexist with higher molecular weight forms (presumably tetrameric, according to its molecular size).
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Such materials have only been prepared by using very high molecular weight copolymers, typically up to 1 million g / mol, and maintaining uniform (monodisperse) polymer chain lengths, which requires solution processing that adds complexity and cost.
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The largest shift in molecular weight occurred during the melting stage, but matrix glycans remained at moderately high molecular weight even in overripe fruit, and were not depolymerized to small size.
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This study demonstrates that the material with a low molecular weight of 158 is an active component in wasabi leafstalk which stimulates bone calcification.
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The molecular weights commonly used for biomedical and biotechnological applications range from a few hundred to approximately 20000.
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The sludge of bacterial proteins is centrifuged to separate out differing molecular weights, and the dipeptide is spun out for transfer to tankers to transport for packing and marketing at other facilities.
ASPARTAME IS NEUROTOXIC GENOTOXIC MOLECULAR FOOD & VACCINE PHARMACO-GENOCIDE
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Low molecular weight aldehydes and ketones are soluble in water because the carbonyl oxygen atom allows the molecules to form strong hydrogen bonds with the molecules of water.
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Some fractions with low molecular weight have been obtained by silica gel chromatography separation of Pingshuo coal extracts.
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On applying this law to the case of two isomeric benzil derivatives, the molecular weights were found, as expected, to be identical, and not multiples; hence Prof. Meyer is perfectly justified in introducing the necessary modification in the "position in space" theory.
Scientific American Supplement, No. 643, April 28, 1888
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Osmotic pressure measurements have been used for solutes of high molecular weight.
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The urine was dialyzed against deionized water in 6-8 kDa molecular weight cutoff dialysis tubing (Spectrapor, Spectrum Laboratories, Rancho Domingues, CA) and lyophilized.
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On the other hand, the permeability of the membrane for small uncharged solutes such as low molecular weight alcohols, amides, ketones etc., did not change.
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It is an aromatic compound denoted by the chemical formula C 7 H 5 NaO 2 with a molecular weight of 144.11.
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When the PEO molecular weight increased, the gel fraction, the degree of swelling and the hardness of the PEO hydrogel films increased obviously as well.
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The newly formed sprout may function as a sink for the low molecular weight products of starch degradation.
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However, flexible polymers and lower molecular weight components typically vitrify at much lower water contents
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There is a disproportionate reduction of serous acini of the submucosal glands, which contain lysozyme, lactoferrin, and an antiprotease of small molecular weight.
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Whereas ester waxes are produced directly by living organisms, paraffin waxes consist of mixtures of high molecular weight hydrocarbons separated during the fractionation of petroleum.
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She writes: "Mild-acid hydrolytic de-polymerization of carageenan affords poligeenan, a mixture of lower molecular weight polysaccharides and oligosaccharide products.
Red Seaweed as HPV/cervical cancer preventative
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Although these ammoniated latex proteins have different molecular weights than those of nonammoniated latex, the epitopes remain the same.
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Additionally, low molecular weight heparin was used in only about 56 percent of patients with blood clots in the legs or phlebitis, an inflammation of the vessels in the legs.
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Low molecular weight oligomers were found in culture media of Chinese hamster ovary cells expressing endogenous or mutated genes.
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The molecular weights and boiling points display the usual gradations observed in other series.
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Dendrimers are well-defined, highly branched macromolecules which have uniform molecular weight.
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This is because separation according to the isoelectric point and the molecular weight are carried out through time-consuming gel electrophoresis analysis.
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Paraffin waxes are mixtures of high molecular weight alkanes, and therefore are not esters.
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This molecular weight is relatively low and not far from the critical molecular weight of polyamides, which is generally near 15,000 g/mole.
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Acids like sulphuric acid are termed bibasic, and their equivalent is only half the molecular weight.
A Text-book of Assaying: For the Use of Those Connected with Mines.
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As for the finish, low-molecular weight acrylic / melamine resins are used, which helps reduce emissions in the paint process.
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Polylactic acid with low molecular weight was prepared by the direct melt polycondensation, then 2,4-toluylene diisocyanate(TDI) was used as chain extender to improve the molecular weight.
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Temperature, type of initiators, molecular regulator, addition time of monomers were investigated in terms of monomer conversion, molecular weight and its distribution.
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On the other hand, the permeability of the membrane for small uncharged solutes such as low molecular weight alcohols, amides, ketones etc., did not change.
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Sterically unhindered because its molecular weight is 527 daltons, Argatroban neutralizes the active serine catalytic site of both free and bound thrombin.
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Examples include fluorescently labeled biotin and three proteins of varying molecular weight.
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The ultrafiltration molecular weight separation transforms the product into 50 percent protein, allowing smaller molecular weight particles like minerals and lactose to pass through a screen while the protein is retained.
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Objective To discuss low molecular weight heparin sodium injection different part endermic bleeding conditions.
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Carbon dioxide, a principal ingredient of the exhaust gases made during combustion of hydrocarbons, has a molecular weight of 44.
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Conclusion LMWH is one of the significant method on the therapy of chronic cholestatic hepatitis B by low molecular weight heparin.
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While it is often assumed that toxicity is due to tannic acid, garlic acid and pyrogallol (Basden and Dalvi, 1987) or to other, unspecified, low molecular weight compounds produced by the breakdown of hydrolyzable tannins in the gut
Chapter 5
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The Tuff-n-Lite fabric is woven out of ultra high molecular weight polyethylene (UHMWC), also known as P-Tex, the same material used in sintered ski and snowboard bases.
Tour Tech: DeFeet’s UnDXstream Tuff-n-Lite shirt
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Solid phosphorus has a tetratomic molecule with molecular weight 123.8952 atomic mass units (amu).
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Accordingly, we could not accurately determine the molecular weight of Mca1 expressed in vivo by immunoblotting of wild type lysate with polyclonal antibodies raised against Mca1.
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Conclusion LMWH is one of the significant method on the therapy of chronic cholestatic hepatitis B by low molecular weight heparin.
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Thirty embryos per sample were incubated for 2 hr at 25°, frozen in liquid nitrogen, and low molecular weight DNA was isolated as described.
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These ions correspond in molecular weight to both trimers and tetramers.
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In general, reasonably high molecular weight azides are OK to handle (e.g., the early anti-HIV drug azidothymidine).
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Appropriate chemical attribute information, such as structural formula, empirical formula, and molecular weight.
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Diethylaminoethyl dextran (DEAE-D) as an adjuvant of immunity, I: influence of molecular weight on adjuvant action in FMD vaccines for swine =: Dietilaminoetil-dextrano ... adyuvante en vacunas antiaftosas para cerdos by P Carmenes
OpEdNews - Quicklink: Companies Seeking Immunity Donate to Senator
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The samples were subject to two cycles of freezing/thawing and low molecular weight thiols were recovered in the supernatants after centrifugation at 12 000 g, 10 min at room temperature.
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The purified protein migrated with an apparent molecular weight of 42 kDa on sodium dodecyl sulfate polyacrylamide gel electrophoresis.
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In general, reasonably high molecular weight azides are OK to handle.
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Unless of extremely high molecular weight (1000000), can usually be dissolved and , when heated, they soften or melt so that they can be extruded into fibers or molded into desired shapes.
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Physical chemical properties were polar requirement, hydrophilicity, molecular weight, and volume.
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Modern methods for measuring molecular weight include chromatographic methods and mass spectrometry.
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The urine was dialyzed against deionized water in 6-8 kDa molecular weight cutoff dialysis tubing (Spectrapor, Spectrum Laboratories, Rancho Domingues, CA) and lyophilized.
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Similarly, lime and most of the bases are bibasic, as may be seen from the following equations; hence their equivalent will be half the molecular weight.
A Text-book of Assaying: For the Use of Those Connected with Mines.
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By use of the present invention it is possible to produce an olefin polymer with high stereoregularity, broad molecular weight distribution, and good fluidity, at high rates of yield.
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Results indicate that the phenothiazine has strong capability to inhibit the radical polymerization of AM and has a little effect on the molecular weight of the products.
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She writes: "Mild-acid hydrolytic de-polymerization of carageenan affords poligeenan, a mixture of lower molecular weight polysaccharides and oligosaccharide products.
Red Seaweed as HPV/cervical cancer preventative
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The derived molecular weights were consistent with dimeric or trimeric peptide.
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It is a mixture of esters of alcohols and acids, and some high molecular weight hydrocarbons.
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And 10 years later he used freezing point depressions to determine the molecular weights of colloids such as gum, Fe 3 etc.
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The equipment they invented removed the water as it was formed, resulting in a high molecular weight polyester.
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It is important to note that the molecular weights of the detergents differ.
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High molecular weight polymers can have viscosity values in the millions of centipoise range.
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Bitumen is a generic term for natural or manufactured black or dark-colored solid, semisolid, or viscous cementitious materials that are composed mainly of high-molecular weight hydrocarbons.
Asphalt
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The ethyl group has a greater molecular weight than the smallest alkyl radical which is the methyl group.
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The sludge of bacterial proteins is centrifuged to separate out differing molecular weights, and the dipeptide is spun out for transfer to tankers to transport for packing and marketing at other facilities.
ASPARTAME IS NEUROTOXIC GENOTOXIC MOLECULAR FOOD & VACCINE PHARMACO-GENOCIDE
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The result may be low molecular weight, broad molecular weight distribution, or the presence of nonreacted monomers or oligomers with very low molecular weights.
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München, where I found by a simple crystallograpic experiment the molecular weight and probable steroid nature of ecdysone which Hoppe and I later elucidated in atomic detail after my thesis work which was on the crystal structure of a diazo compound (1963).
Robert Huber - Autobiography
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This weight in grams is called the _gram-molecular weight_ of a gas.
An Elementary Study of Chemistry
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There may also be one or two bands of ‘marker’, a mixture of substances of known molecular weight, to act as a guide to the apparent molecular weight of material in the other bands.
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The derived molecular weights were consistent with dimeric or trimeric peptide.
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On the other hand, the permeability of the membrane for small uncharged solutes such as low molecular weight alcohols, amides, ketones etc., did not change.
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Molecular weight analysis indicated that microfluidisation brings about a mixture of depolymerisation and increase solubilisation to these gum solutions.
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One mole of any substance weighs a number of grams that is equal to the atomic or molecular weight of that substance.
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Macrodiols with different thermal characteristics were prepared using ring-opening polymerization of cyclic diesters or lactones with a low molecular weight diol as an initiator.
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Moreover, the rheological properties of the low molecular weight fenumgreek gum cross-linked gel systems were researched.
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However, the lock is always a very complicated molecule of high molecular weight, a protein or a nucleic acid.
The Nobel Prize in Chemistry 1987 - Presentation Speech
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Raffinose is a trisaccharide sugar with a mean molecular weight of 594 D that prevents pulmonary water diffusion and cellular swelling in a more efficient way than do monosaccharides and dissaccharides.
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I measured the molecular weight of the purified H3/H4 preparation by equilibrium ultracentrifugation, while
Roger D. Kornberg - Autobiography
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molecular weight is the sum of all the atoms in a molecule
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Thus, his team has developed a short peptide, the low molecular weight protamine
PhysOrg.com - latest science and technology news stories
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It turns out that the reactivity of an alkyl hydrocarbon like butane, pentane, hexane, et. al. goes up with increasing molecular weight, primarily because there are more carbon groups.
Taking Your Lumps
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Macrodiols with different thermal characteristics were prepared using ring-opening polymerization of cyclic diesters or lactones with a low molecular weight diol as an initiator.
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Here, the change often seemed to be proportional to the molecular weight of the solute multiplied by a factor of two, three or four.
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The alcohols are a mixture of eicosanol and docosanol, with smaller quantities of hexacosanol and alcohols of lower molecular weight.
4 Jojoba Oil
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Its key advantage, says George Jackson, professor of chemical physics, is the ability to predict very accurately the behaviour of complex strongly-associating systems such as azeotropic refrigerant mixtures, aqueous solutions of non-ionic surfactants and strong electrolyte solutions, as well as high molecular weight components such as polymer-gas systems.
All Things Press Release
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Inulin is a soluble carbohydrate of much lower molecular weight than either amylose or amylopectin.
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Bacterial fermentation of carbohydrates produces lactic acid, and this in turn can be chemically polymerised to a high molecular weight PLA polyester.
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Macrodiols with different thermal characteristics were prepared using ring-opening polymerization of cyclic diesters or lactones with a low molecular weight diol as an initiator.
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Actually, I’m ignoring some other pathways that get more important as molecular weight increases, like the formation of alkyl nitrates, and the times when the molecule fractures in the middle to produce acetaldehyde and an ethyl alkoxy radical.
Taking Your Lumps
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The relative molecular weight is 852 by using viscometry, its relative density is 1.
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As a result of this polarity, the molecules self-assemble to form multimolecular clusters with molecular weights up to 100,000.
Asphalt
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Other methods of molecular weight determination include gel permeation chromatography, end-group analysis, and osmometry.
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Thus, a volume-conserving model seems to be needed for the isomerization of stilbene dendrimers with these large molecular weights.
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Another theoretical advantage of RFA is that it denatures viral proteins without a plume and its by products are elementary molecules and low molecular weight inert gases.
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Determination of the mass spectrum of LCP-J8 resulted in a calculated molecular weight of 14,158.45 daltons.
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The cross-linking studies reveal an absence of higher soluble molecular weight peptide-peptide associations for the S22W peptide.
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Molecular weights of protein standards are shown in daltons.
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The molecular weights in kilobases of the fragments detected are indicated at the left and right.
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The remainder stays in the donor stream with the large molecular weight substances and is subsequently discarded.
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High molecular weight dextran expands the plasma volume by an amount equal to 80% to 120% of the volume infused and the plasma volume is increased for up to 6 hours after infusion.
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In addition, the isomerization of olefins with small molecular weight in glassy solvent at 77 K have been proposed to proceed by H-T mechanism.
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I'm not even remotely familiar with chemistry... but here's what I found: Amyl acetate also pentyl ethanoate, pentyl acetate is an organic compound and an ester with the chemical formula CH3COOC5H11 and the molecular weight 130.18 g/mol.
A Special Message Just for You
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Lepirudin is composed of 65 or 66 amino acids and has a molecular weight of 7000 daltons.
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The low order connectivity indices relate to fundamental parameters such as molecular surface area, molecular weight and the presence of heteroatoms.
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Reduction of hexavalent chromium seems to be driven by ascorbate and low molecular weight thiols, whereas the major DNA adducts formed are ternary complexes of chromium and amino acids and glutathione.
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From a chemical point of view rubber is a carbohydrate consisting of high molecular weight chains of 1,4-polyisoprene residues in cis-configuration (caoutchouc).
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Biogenic amine is a kind of low molecular weight compounds containing nitric fatty group or heterocycle group . They have biological importance in vegetable, microbial and animal cells.
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During these reactions, they are chemically linked forming macromolecules, or polymers, which have large molecular weights.
