Results 41 to 50 of about 101,189 (210)

Thiourea‐Based Compounds Effectiveness Against the Growth of Mycobacterium kansasii: Synthesis, Biological Activity, and Computational Analysis

open access: yesChemistrySelect, Volume 10, Issue 16, April 25, 2025.
Fifty thiourea derivatives are synthesized and evaluated against Mycobacterium kansasii. Compounds 2, 47, and 49 demonstrate potent extra‐ and intracellular activity without causing macrophage cytotoxicity, even against the hypervirulent strains. Structure–activity relationships and in silico analyses highlight favorable molecular features and predict ...
Sanderson Dias Calixto   +13 more
wiley   +1 more source

Chiral Pharmaceutical Intermediaries Obtained by Reduction of 2‐Halo‐1‐(4‐substituted phenyl)‐ethanones Mediated by Geotrichum candidum CCT 1205 and Rhodotorula glutinis CCT 2182

open access: yesEnzyme Research, Volume 2011, Issue 1, 2011., 2011
Enantioselective reductions of p‐R1‐C6H4C(O)CH2R2 (R1 = Cl, Br, CH3, OCH3, NO2 and R2 = Br, Cl) mediated by Geotrichum candidum CCT 1205 and Rhodotorula glutinis CCT 2182 afforded the corresponding halohydrins with complementary R and S configurations, respectively, in excellent yield and enantiomeric excesses.
Lucídio C. Fardelone   +3 more
wiley   +1 more source

Efecto toxicológico del dióxido de cloro en radículas de cebolla (Allium cepa L.)

open access: yesManglar, 2021
Los ciudadanos de América Latina en la actualidad practican la automedicación usando el dióxido de cloro para prevenir el contagio del Covid-19, desconociendo los efectos tóxicos de esta sustancia química.
Luis Felipe Gonzales-Llontop   +2 more
doaj   +1 more source

Evaluación de Subproductos de Cloración y su efecto mutagénico en agua para consumo humano [PDF]

open access: yes, 2013
Proyecto de Investigación Instituto Tecnológico de Costa Rica. Vicerrectoría de Investigación y Extensión (VIE). Escuela de Química. Centro de Investigación y de Servicios Químicos y Microbiológicos (CEQIATEC), Centro de Investigación en Protección ...
Agüero-Benavides, Ana Laura   +5 more
core  

Exploratory survey Food safety and consumer behaviour in Switzerland

open access: yesFood Risk Assess Europe, Volume 3, Issue 2, April 2025.
Summary Campylobacter infections are the main cause of foodborne illness. Poultry – particularly chicken – has been identified as the most significant source of infection. Despite efforts, case numbers have not fallen. The aim of this study was therefore to assess the current situation regarding kitchen hygiene based on a consumer survey, and to ...
Thomas Brunner, Thomas Lüthi
wiley   +1 more source

Attachment and Proliferation of Human‐Adipose‐Tissue‐Derived Stem Cells on Bioactive Glass/PVA Hybrid Scaffolds

open access: yesInternational Scholarly Research Notices, Volume 2011, Issue 1, 2011., 2011
Bioactive glass/polymer hybrids are promising materials for biomedical applications because they combine the bioactivity of bioceramics with the flexibility of polymers. These advantages may be used in porous scaffolds for tissue‐engineering applications.
Viviane Gomide   +6 more
wiley   +1 more source

Resposta do coqueiro à adubação com uréia, superfosfato simples e cloreto de potássio em dois solos do nordeste do Brasil

open access: yesRevista Brasileira de Ciência do Solo, 1999
Foram realizados dois experimentos axiais no período de 1987 a 1992, visando estudar a resposta do coqueiro à adubação com uréia, superfosfato simples e cloreto de potássio em dois solos do nordeste do Brasil.
L. F. Sobral, M. L. S. Leal
doaj   +1 more source

Decaimento de cloro na oxidação de matéria orgânica presente na água do Rio Bengo (Angola) [PDF]

open access: yes, 2014
A qualidade da água para consumo humano é uma condição indispensável na sociedade atual. Entre os requisitos de qualidade de uma água de referir a isenção de contaminação bacteriológica, o que requer um processo de desinfeção, normalmente por ...
Boaventura, Rui   +2 more
core  

Preoxidation and adsorption in granular activated carbon for the removal of Diuron and Hexazinone from groundwater [PDF]

open access: yes, 2009
O cultivo da cana-de-açúcar exige a utilização de herbicidas, destacando-se o Diuron e a Hexazinona. Alguns dos poços de abastecimento de Ribeirão Preto (SP) construídos no Aquífero Guarani estão situados em pontos de recarga, e a presença de solo de ...
BALLEJO, Renata Rueda   +3 more
core   +2 more sources

Current Status of Amine Dehydrogenases: From Active Site Architecture to Diverse Applications Across a Broad Substrate Spectrum

open access: yesChemCatChem, Volume 16, Issue 24, December 20, 2024.
Amine dehydrogenases (AmDHs) are NAD(P)H‐depended oxidoreductases that rely on NAD(P)H as cofactor to catalyze the reductive amination of carbonyl‐containing compounds in the presence of ammonia. Depending on the catalytic activities of other enzymes as reaction partners, AmDHs find applications in various synthetic pathways, as well as in kinetic ...
Vasilis Tseliou   +3 more
wiley   +1 more source

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