Results 51 to 60 of about 493,503 (195)

Application of experimental design approach for optimization of the photocatalytic degradation of humic substances in aqueous solution using immobilized ZnO nanoparticles [PDF]

open access: yesJournal of Advances in Environmental Health Research, 2015
Degradation of humic substances in water is important due to its adverse effects on the environment and human health. The aim of this study was modeling and investigating the degradation of humic substances in water using immobilized ZnO as a catalyst ...
Hooshyar Hossini   +5 more
doaj   +1 more source

Cattle manure and humic substances stimulate morphophysiological and nutritional processes in pepper plants

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental
Species of the genus Capsicum, especially peppers, are economically important and widely consumed worldwide. The application of animal waste as organic fertilizer is a simple and cost-effective technique for applying nutrients to the soil.
Ramon F. da Silva   +11 more
doaj   +1 more source

Humus content and quality under different soil tillage systems

open access: yesSoil and Water Research, 2010
The main objective of our study was to compare the contents and quality of humic substances in selected soil types under different tillage regimes (deep, reduced, minimum). Non destructive spectroscopic methods such as UV-VIS and synchronous fluorescence
Ľubica Pospíšilová   +2 more
doaj   +1 more source

Fulvic Acid: an Active Food Additive or Medication?

open access: yesКубанский научный медицинский вестник, 2020
This review article is devoted to the fundamental task of pharmacology, i.e. the research and discovery of novel medications that render the maximal therapeutic effect at the minimal side consequences to health. Over recent years, the world has witnessed
N. S. Benderskii   +3 more
doaj   +1 more source

Assessing the Impact of Soil Humic Substances, Textural Fractions on the Sorption of Heavy Metals (Cd, Pb)

open access: yesApplied Sciences
This study examined the sorption of heavy metals in selected soils (e.g., Andosol, Cambisol, Planosol) in Slovakia, focusing on the kind and quantity of humic materials as well as the soil’s characteristics. Heavy metals were detected using GT AAS, while
Melánia Feszterová   +2 more
doaj   +1 more source

Humic substances as a washing agent for Cd-contaminated soils [PDF]

open access: yes, 2017
Cost-effective and eco-friendly washing agents are in demand for Cd contaminated soils. Here, we used leonardite-derived humic substances to wash different types of Cd-contaminated soils, namely, a silty loam (Soil 1), a silty clay loam (Soil 2), and a ...
Yuan, Guodong   +12 more
core   +1 more source

The effect of humic substances isolated from a variety of marine and lacustrine environments on different microorganisms

open access: yesOceanologia, 2001
The antimicrobial activity of twelve preparations of humic substances isolated from sea water, marine bottom sediments and lake water was examined. Humic substances from marine bottom sediment samples were fractionated into humic and/or fulvic acids ...
Gotfryd Kupryszewski   +2 more
doaj  

Bioluminescent Monitoring: Detoxification of Phenol Solutions by Humic Substances and UV-irradiation [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2008
The study demonstrates redox activity of humic substances in solutions of organic reducers and oxidizers; a series of homologous 1,4-hydroquinones (phenols) and their oxidized forms (1,4-quinones) was taken as an example.
Anna S. Tarasova   +3 more
doaj  

ГУМИНЫ БОДИС СУУРЬТАЙ АЛТ АГУУЛСАН НАНОКМПОЗИТ: ГАРГАХ БОЛОМЖ БА ШИНЖ ЧАНАР

open access: yesProceedings of the Mongolian Academy of Sciences, 2016
A gold containing nanocomposites have been obtained for the first time by using of humic substances isolated from various natural objects of Mongolia as reductant and stabilizer.
Г Долмаа   +8 more
doaj   +1 more source

Chemical properties of peat in three peatlands with balneological potential in Estonia [PDF]

open access: yesEstonian Journal of Earth Sciences, 2011
Peat and various peat preparations have been successfully used in balneology. When considering the biological effects of peat, humic substances have been found to be of particular importance.
Mall Orru, Monika Übner, Hans Orru
doaj   +1 more source

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