Results 201 to 210 of about 16,763 (263)

Isolation and Identification of Mercury-Dissolved Organic Matter Complexes in Mercury-Humic Acid Suspensions. [PDF]

Rapid Commun Mass Spectrom
Qasim GH, Harris L, Mangal V, Montesdeoca M, Todorova S, Driscoll C.   +5 more
europepmc   +1 more source

Analysis of Plant Physiological Parameters and Gene Transcriptional Changes Under the Influence of Humic Acid and Humic Acid-Amino Acid Combinations in Maize. [PDF]

Int J Mol Sci
Decsi K, Ahmed M, Rizk R, Abdul-Hamid D, Tóth Z.   +4 more
europepmc   +1 more source

Humic Acid-Stabilized Biogenic FeS Nanoparticles for Cr(VI) Removal Under Simulated Acidic Mine Drainage Conditions: Optimization and Interfacial Transformation Pathways. [PDF]

Molecules
Dai M, Di J, Zhang M.
europepmc   +1 more source

Preliminary Study on Synergistic Effects of Humic Acid and Seaweed Extract on Cereal Crop Yield and Competitiveness with Wild Weed Beets (<i>Beta vulgaris</i> L.). [PDF]

Plants (Basel)
Al-Musawi ZK, Khalaf HSM, Hassouni AA, Shakir RR, Vona V, Kulmány IM.   +5 more
europepmc   +1 more source

Efficient Conversion of Mushroom and Sawdust Residues in <i>Protaetia brevitarsis</i> Biosystem: Characterization of Humic Acid and Bacterial Communities. [PDF]

Insects
Mansour A, Lee J, Jeong T, Mannaa M, Kim SY, Song JH, Seo YS, Lee DW.   +7 more
europepmc   +1 more source

Enhanced Biohydrogen Production through Dark Fermentation by Humic Acid: Insights into Microbial Composition and Functional Genes. [PDF]

J Microbiol Biotechnol
Zhang L, Bai Y, Sang J, Dong J, Wu X, Ban Q.   +5 more
europepmc   +1 more source

Complexation of radionuclides with humic acid and effects of humic acid on sorption of radionuclides

, 1998
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Nature of Humic Acids

Nature, 1963
THE idea that humic acids are heteropolycondensates1 of phenolic substances with or without the participation of amino-acids is now widely accepted. Three possible sources of the phenols are postulated: (1) phenolic materials such as flavonoids leached from the plant debris; (2) phenolic units formed during the decomposition of lignin; (3) phenolic ...
A, BURGES, H M, HURST, S B, WALKDEN, F M, DEAN, M, HIRST   +4 more
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Desmutagenic effect of humic acid

Mutation Research, 1986
In the present study, humic acid was not found to be mutagenic and did not inhibit spontaneous mutation. It did, however, inhibit the mutagenicities of benzo[a]pyrene and 3-aminoanthracene (+S9 mix), but not the mutagenicities of 4NQO, AF-2 and MNNG (-S9 mix).
T, Sato, Y, Ose, H, Nagase
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Iodide binding by humic acid

Environmental Toxicology and Chemistry, 1991
Abstract Iodide binding by humic acid was studied. The reaction was dose, temperature and pH dependent. A maximum binding of 88% was reached with 2 mg humic acid in 0.15 M Tris buffer. The efficiency of iodide binding by the buffer becomes higher whenever the buffer is slightly alkaline.
Tien-Shang Huang, Fung-Jou Lu
openaire   +1 more source