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Reactions of hydroxyl radical with humic substances: bleaching, mineralization, and production of bioavailable carbon substrates.
- J. Goldstone, M. Pullin, S. Bertilsson, B. Voelker
- Environmental ScienceEnvironmental science & technology
- 4 January 2002
The results indicate that OH* reactions with humic substances are not likely to contribute significantly to observed rates of DOM photomineralization and LMW acid production in sunlit waters, and are also notlikely to be a significant mechanism of photobleaching except in waters with very high OH* photoformation rates.
Effects of sunlight and hydroxyl radical on dissolved organic matter: Bacterial growth efficiency and production of carboxylic acids and other substrates
This study examines the importance of several possible mechanisms causing sunlight‐mediated changes in the amounts of bacterial utilization and biomass growth on dissolved organic matter (DOM) from…
A comparison of surface water natural organic matter in raw filtered water samples, XAD, and reverse osmosis isolates.
Release of dissolved organic matter by Prochlorococcus
Dans les oceans oligotrophes ou Prochlorococcus domine la production primaire, ce processus pourrait contribuer de facon majeure au reservoir de substrats organiques disponibles pour les heterotrophes microbiens.
The effects of pH, ionic strength, and iron–fulvic acid interactions on the kinetics of non-photochemical iron transformations. I. Iron(II) oxidation and iron(III) colloid formation
The effects of pH, ionic strength, and iron–fulvic acid interactions on the kinetics of non-photochemical iron transformations. II. The kinetics of thermal reduction
Evaluation of aqueous extracts of Taraxacum officinale on growth and invasion of breast and prostate cancer cells.
This study provides new scientific data on TO and suggests that TO extracts or individual components present in the extracts may be of value as novel anti-cancer agents.
Variations in microbial carbon sources and cycling in the deep continental subsurface
Rank Analysis of the pH-Dependent Synchronous Fluorescence Spectra of Six Standard Humic Substances.
Results indicate that these synchronous fluorescence spectra of standard humic substances at variable pH have a high information content, suitable for tracer studies of HS.