Results 21 to 30 of about 330,210 (78)

A novel method for measuring total antioxidant capacity and its application to monitoring the antioxidant status in Thai herbs. [PDF]

, 2012
รายงานการวิจัย -- มหาวิทยาลัยเทคโนโลยีราชมงคลพระนคร, 2554A novel and simple method for measuring total antioxidant capacity or T AC in Thai herb extracts has been developed.
Panich, Sirirat
core  

Quaternary ammonium-based biomedical materials: State-of-the-art, toxicological aspects and antimicrobial resistance

Progress in polymer science, 2017
Microbial infections affect humans worldwide. Many quaternary ammonium compounds have been synthesized that are not only antibacterial, but also possess antifungal, antiviral and anti-matrix metalloproteinase capabilities.
Yang Jiao, L. Niu, Sai Ma, Jing Li, F. Tay, Jihua Chen   +5 more
semanticscholar   +1 more source

Biological Activity of Quaternary Ammonium Salts and Their Derivatives

Pathogens, 2020
Besides their positive role, microorganisms are related to a number of undesirable effects, including many diseases, biodeterioration and food spoilage, so when their presence is undesired, they must be controlled.
D. Kwaśniewska, Ying-Lien Chen, D. Wieczorek   +2 more
semanticscholar   +1 more source

Extracellular electron transfer-dependent anaerobic oxidation of ammonium by anammox bacteria

Nature Communications, 2019
Anaerobic ammonium oxidation (anammox) bacteria contribute significantly to the global nitrogen cycle and play a major role in sustainable wastewater treatment.
D. R. Shaw, Muhammad Ali, K. Katuri, J. Gralnick, J. Reimann, R. Mesman, L. van Niftrik, M. Jetten, P. Saikaly   +8 more
semanticscholar   +1 more source

Atomic-level passivation mechanism of ammonium salts enabling highly efficient perovskite solar cells

Nature Communications, 2019
The high conversion efficiency has made metal halide perovskite solar cells a real breakthrough in thin film photovoltaic technology in recent years. Here, we introduce a straightforward strategy to reduce the level of electronic defects present at the ...
Essa A. Alharbi, A. Alyamani, D. Kubicki, A. Uhl, Brennan J. Walder, A. Alanazi, Jingshan Luo, Andrés Burgos‐Caminal, A. Albadri, H. Albrithen, M. Alotaibi, J. Moser, S. M. Zakeeruddin, F. Giordano, L. Emsley, M. Graetzel   +15 more
semanticscholar   +1 more source

Comparison study on the ammonium adsorption of the biochars derived from different kinds of fruit peel.

Science of the Total Environment, 2019
Application of biochars to remove inorganic nitrogen (NH4+, NO2-, NH3, NO, NO2, N2O) from wastewater and agricultural fields has gained a significant interest.
Xiaojian Hu, Xinbo Zhang, H. Ngo, Wenshan Guo, Haitao Wen, Chaocan Li, Yongchao Zhang, Chanjuan Ma   +7 more
semanticscholar   +1 more source

Thermal Structure Transformation of Methylammonium Vanadate and it's Application as a Negative Staining Reagent for Observing SARS-CoV-2. [PDF]

Eur J Inorg Chem, 2022
Sukmana NC, Sugiarto, Shinogi J, Yamamoto A, Higashiura A, Sakaguchi T, Sadakane M.   +6 more
europepmc   +1 more source

Tris(2-Pyridylmethylamine)V(O)₂ Complexes as Counter Ions of Diprotonated Decavanadate Anion: Potential Antineoplastic Activity. [PDF]

Front Chem, 2022
Corona-Motolinia ND, Martínez-Valencia B, Noriega L, Sánchez-Gaytán BL, Melendez FJ, García-García A, Choquesillo-Lazarte D, Rodríguez-Diéguez A, Castro ME, González-Vergara E.   +9 more
europepmc   +1 more source

Nitric oxide-dependent anaerobic ammonium oxidation

Nature Communications, 2019
Nitric oxide (NO) has important functions in biology and atmospheric chemistry as a toxin, signaling molecule, ozone depleting agent and the precursor of the greenhouse gas nitrous oxide (N2O).
Ziye Hu, H. C. Wessels, T. V. van Alen, M. Jetten, B. Kartal   +4 more
semanticscholar   +1 more source

Pluses and minuses of ammonium and nitrate uptake and assimilation by phytoplankton and implications for productivity and community composition, with emphasis on nitrogen‐enriched conditions

, 2016
Anthropogenic activities are altering total nutrient loads to many estuaries and freshwaters, resulting in high loads not only of total nitrogen (N), but in some cases, of chemically reduced forms, notably NH4+ .
P. Glibert, F. Wilkerson, R. Dugdale, J. Raven, C. Dupont, P. Leavitt, A. Parker, J. Burkholder, T. Kana   +8 more
semanticscholar   +1 more source