Results 141 to 150 of about 493,503 (195)

Adsorption of the endocrine disruptor 17β estradiol onto humic acids from soils and sludges

, 2000
LOFFREDO, Elisabetta, N. SENESI, M. PEZZUTO   +2 more
core  

Impacts of humic substances, elevated temperature, and UVB radiation on bacterial communities of the marine sponge Chondrilla sp. [PDF]

FEMS Microbiol Ecol
Stuij TM, Cleary DFR, Rocha RJM, Polónia ARM, Silva DAM, Louvado A, de Voogd NJ, Gomes NCM.   +7 more
europepmc   +1 more source

Effects of soil humic acid on allelopathic potential of root exudates from tomato plants

, 2004
S. LAERA, LOFFREDO, Elisabetta, N. SENESI   +2 more
core  

Use of diffusive gradient in thin-films (DGT) for the in vitro study of the effects of humic fractions and metals on the growth of a phytopathogenic fungus

, 2008
LOFFREDO, Elisabetta, N. SENESI, M. BERLOCO, R. MORTIMER   +3 more
core  

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Activation of persulfate by humic substances: Stoichiometry and changes in the optical properties of the humic substances

Water Research, 2022
Persulfate activation through electron transfer from humic substances (HS) was investigated. Persulfate consumption in the presence of standard HS and HS model compounds linearly correlated with the phenol contents of the HS. Redox-active carbonyl groups such as aromatic ketones and quinone also contributed to persulfate consumption by donating ...
Cheolyong, Kim, Yu-Ping, Chin, Heejong, Son, Inseong, Hwang   +3 more
openaire   +2 more sources

Immobilized humic substances as sorbents

Chemosphere, 2006
A new method was developed for the immobilization of humic substances. Humic acids (HA) immobilized onto different carriers were studied as sorbents for organic and inorganic substances. The sorption isotherms of 4-aminoazobenzene, Crystal Violet, Methylene Green, and flavine mononucleotide on immobilized HA show that pH and salt concentration have a ...
Maris, Klavins, Linda, Eglite, Andris, Zicmanis   +2 more
openaire   +2 more sources

IAA detection in humic substances

Soil Biology and Biochemistry, 1998
The aim of the work was to verify if humic substances conaine auxin component able to justify its biological activity. To this aim various preparations of anti-IAA antibodies were used. Quantitative determinations of IAA in HS was corried out using an enzyme immunoassay, Phytodetek-IAA.
MUSCOLO A, CUTRUPI S, NARDI, SERENELLA
openaire   +2 more sources

Effects of pollution on humic substances

Journal of Environmental Science and Health, Part B, 1980
To assess effects of industrial and environmental pollution on analytical characteristics of humic substances, we isolated humic acids (HA's) and fulvic acids (FA's) from unpolluted and polluted soils and sediments. Following purification, the HA's and FA's were characterized by elemental (C, H, O, N, S) and functional group (CO2H, phenolic OH, total ...
M, Schnitzer, H, Kerndorff
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Protein Encapsulation by Humic Substances

Environmental Science & Technology, 2011
Protein encapsulation by natural organic matter is hypothesized to preserve the activity of proteins in terrestrial and aquatic environments. Direct molecular-level evidence for encapsulation of net positively charged proteins lysozyme, trypsin, and ribonuclease A by a diverse set of humic substances (HS) in nanostructured films was collected using a ...
Tomaszewski JE, Schwarzenbach RP, Sander M   +2 more
openaire   +3 more sources