Results 51 to 60 of about 93,640 (146)

Impacts of in vivo and in vitro exposures to tamoxifen: comparative effects on human cells and marine organisms [PDF]

open access: yes, 2019
Tamoxifen (TAM) is a first generation-SERM administered for hormone receptor-positive (HER+) breast cancer in both pre- and post-menopausal patients and may undergo metabolic activation in organisms that share similar receptors and thus face comparable ...
Abessa, D. M. S.   +5 more
core   +1 more source

New Synthetic Cannabinoids Metabolism and Strategies to Best Identify Optimal Marker Metabolites. [PDF]

open access: yes, 2019
Synthetic cannabinoids (SCs) were initially developed as pharmacological tools to probe the endocannabinoid system and as novel pharmacotherapies, but are now highly abused.
Diao, Xingxing, Huestis, Marilyn A.
core   +2 more sources

Arsenic biotransformation potential of six marine diatom species: effect of temperature and salinity

open access: yesScientific Reports, 2019
Temperature and salinity effects on marine diatom species growth has been studied extensively; however, their effect on arsenic (As) biotransformation has been imprecise.
Rimana Islam Papry   +7 more
semanticscholar   +1 more source

A Critical Review of Bioaccumulation and Biotransformation of Organic Chemicals in Birds [PDF]

open access: yes, 2022
A literature review of bioaccumulation and biotransformation of organic chemicals in birds was undertaken, aiming to support scoping and prioritization of future research.
Deglin, Sandrine   +9 more
core   +1 more source

Relating Metatranscriptomic Profiles to the Micropollutant Biotransformation Potential of Complex Microbial Communities.

open access: yesEnvironmental Science and Technology, 2019
Biotransformation of chemical contaminants is of importance in various natural and engineered systems. However, in complex microbial communities and with chemical contaminants at low concentrations, our current understanding of biotransformation at the ...
Stefan Achermann   +4 more
semanticscholar   +1 more source

The Phenion (R) Full-Thickness Skin Model for Percutaneous Absorption Testing [PDF]

open access: yes, 2010
In recent years many efforts have been made to replace dermal toxicity testing of chemicals in the animal by in vitro assays. As a member of a German research consortium, we have previously contributed to the validation of an in vitro test protocol for ...
Ackermann, K.   +4 more
core   +1 more source

Biodiesel via in situ wet microalgae biotransformation: Zwitter-type ionic liquid supported extraction and transesterification [PDF]

open access: yes, 2017
The production of biodiesel derived from microalgae is among the most forthcoming technologies that provide an ecologic alternative to fossil fuels.
Bauer, Gerald   +4 more
core   +2 more sources

Biodegradation and Biotransformation of Indole: Advances and Perspectives

open access: yesFrontiers in Microbiology, 2018
Indole is long regarded as a typical N-heterocyclic aromatic pollutant in industrial and agricultural wastewater, and recently it has been identified as a versatile signaling molecule with wide environmental distributions. An exponentially growing number
Q. Ma, Xuwang Zhang, Y. Qu
semanticscholar   +1 more source

Are Biotransformation Studies of Therapeutic Proteins Needed? Scientific Considerations and Technical Challenges

open access: yesDrug Metabolism And Disposition, 2019
For therapeutic proteins, the currently established standard development path generally does not foresee biotransformation studies by default because it is well known that the clearance of therapeutic proteins proceeds via degradation to small peptides ...
S. Schadt   +10 more
semanticscholar   +1 more source

Structural characterization of humic acids, extracted from sewage sludge during composting, by thermochemolysis–gas chromatography–mass spectrometry [PDF]

open access: yes, 2006
Thermochemolysis coupled with gas chromatography and mass spectrometry were applied to determine the structure of humic acids (HA) extracted from a sewage sludge and straw mixture at different steps of composting.
Amblès, André   +8 more
core   +4 more sources

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