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Many low-molecular weight metabolites were identified by 1H-NMR spectra of the rat serum.
      
We found that lignins from solid parts of grapes are partially decomposed during alcoholic fermentation, which releases low-molecular-weight aromatic compounds into the medium.
      
The linking of aldehyde groups by various bifuctional aromatic diamines and then by glutaraldehyde produced immobilized cells, which are promising for use in biocatalysis with high-molecular-weight substrates.
      
Water-soluble low-molecular-weight (3-10 kDa) chitosan obtained by enzymatic degradation of high-molecular-weight chitosan, as well as its deaminated derivatives, can be used as elicitors of resistance to late blight in potato.
      
synthesized high-molecular-weight phenolic pigments that were assigned to melanins according to their physicochemical properties.
      
This method is recommended for use in biology, medicine, and agriculture for determination of low-molecular-weight compounds having similar chemical structures but various biological activities.
      
The operation of the system is based on sequential changes in the structural organization and function of subcellular structures induced by low-and high-molecular-weight autoregulators.
      
Low-Molecular-Weight Glycoprotein from Cattle Blood Serum: Structure and Properties
      
The amino acid composition, structure, and physicochemical properties of a low-molecular-weight glycoprotein from cattle blood serum (SGP) were studied.
      
Low-molecular-weight (3-6 kDa) water-soluble chitosan was obtained by enzymatic depolymerization.
      
Coimmobilization of Lactate Dehydrogenase and Low-Molecular-Weight Thiols on Sepharose
      
Depolymerization of High-Molecular-Weight Chitosan by the Enzyme Preparation Celloviridine G20x
      
A low-molecular-weight water-soluble chitosan was obtained from high-molecular-weight crab chitosan using the enzyme preparation Celloviridine G20x.
      
Thermolabile peptides inhibiting the growth of Helminthosporium sativum, a facultative phytopathogen, have been isolated from the low-molecular-weight fraction of extracellular metabolites of the strain Bacillus sp.
      
The effect of oxidation products of shale kerogen (high-molecular-weight acids with 6-22 carbon atoms) on biodegradation of oil and oil products in soil and water was studied.
      
High-molecular-weight acids (HMWA) not only affected the layer of oil and/or oil products and dispersed it into small particles, but also stimulated growth of Rhodococcus erythropolis VKM AS-1339D, degraders of oil and oil products.
      
Three samples of high-molecular-weight humin-like substances were obtained by solid-phase cultivation of Coriolus hirsutus and/or Cerrena maxima on oat straw.
      
Preparations of low-molecular-weight DNA were obtained from gonads of various hydrobiont species by an alcohol precipitation technique.
      
An enzymatic hydrolysis-based method for producing soluble low-molecular-weight DNA was developed.
      
A procedure of isolation of chitin, chitosan, and water-soluble low-molecular-weight chitosan from the corpses of bees has been developed.
      
 

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