Results 41 to 50 of about 39,192 (187)

Evaluation of DNA/Chromosome Integrity and Cell Death in Human Metabolically Noncompetent and Competent Cells Exposed to N′‐(3,5‐Difluorobenzylidene)Pyridine‐4‐Carbohydrazide

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT The N‐acylhydrazone scaffold is recognized as a privileged structure for the design of bioactive substances with increasing applications in medicinal chemistry research. Ensuring the safety of newly developed molecules is a critical step for both human health and environmental protection. Accordingly, this study aimed to evaluate the cytotoxic
Larissa Ribeiro Canuto Santos   +4 more
wiley   +1 more source

Módulo 7 - Tópicos especiais em ética, avaliação de tecnologias em saúde e aspectos técnicos e legais relacionados aos medicamentos alopáticos [PDF]

open access: yes, 2016
O Módulo está organizado em três unidades de aprendizagem: Ética e medicalização, Avaliação econômica de tecnologias em saúde e Estudos dos aspectos técnicos e legais relacionados aos medicamentos e seus impactos na assistência farmacêutica.
Farias, Mareni Rocha   +3 more
core  

Isolation and Characterization of the ‘Flavonoid Crystals’ of Three Species of : Chemotaxonomic Considerations of the Genera and

open access: yesNatural Product Communications, 2007
The isolation of fragnettin, the so called ‘flavonoid crystals’, from three species of Prosthechea , namely P. fragrans, P. vespa and P. caetensis , and its characterization as 8- C -β-D-quinovopyranosyl apigenin is described.
Jnanabrata Bhattacharyya   +4 more
doaj   +1 more source

Analogs of the Scorpion Venom Peptide Stigmurin: Structural Assessment, Toxicity, and Increased Antimicrobial Activity

open access: yesToxins, 2018
Scorpion venom is a rich source of biologically active components and various peptides with high-potential therapeutic use that have been characterized for their antimicrobial and antiproliferative activities.
Adriana M. S. Parente   +13 more
doaj   +1 more source

Descrição atualizada da paralisia cerebral

open access: yesDevelopmental Medicine &Child Neurology, EarlyView.
Resumo A paralisia cerebral (PC) é um termo descritivo amplamente utilizado para um espectro de deficiências motoras causadas por lesão ou malformação cerebral não progressiva ocorrida durante as fases iniciais do desenvolvimento. Avanços recentes nas áreas da genética, de pesquisa em inflamação e em neurofisiologia têm refinado a compreensão ...
Bernard Dan   +5 more
wiley   +1 more source

The lichen family Cladoniaceae in Paraiba, Pernambuco and Sergipe, Northeast Brazil [PDF]

open access: yes, 1993
Field and herbarium studies of the lichen family Cladoniaceae in the states of Paraíba, Pernambuco and Sergipe, Northeast Brazil, yielded 22 species, many of them being new reports for the region.
Ahti, Teuvo   +2 more
core  

Comprehensive preclinical studies on the bioactivity of Orbignya phalerata Mart. (Babassu) and its derived products: a systematic review

open access: yesFuture Journal of Pharmaceutical Sciences
Background Babassu (Orbignya phalerata Mart.) is a palm tree well distributed in Latin America, whose fruit has a mesocarp and kernel used for human feeding, and empirically related to the treatment of gastritis, vaginitis, and wound healing.
Nicole Debia   +6 more
doaj   +1 more source

Chemistry and Health: A Multidimensional Approach

open access: yesSustainable Chemistry
This review explores both the positive and negative impacts of chemistry on society, focusing on the intersection between pharmaceutical, natural, and synthetic chemicals.
Alcione S. de Carvalho   +6 more
doaj   +1 more source

Impact of ultraviolet radiation‐induced damage to hair fiber integrity: A multi‐technique physicochemical characterization of surface and cortex properties

open access: yesInternational Journal of Cosmetic Science, EarlyView.
UV exposure induces cuticular and cortical damage in natural hair, with oxidative effects and protein degradation comparable to bleaching. However, double bleaching leads to significantly greater structural degradation, emphasizing distinct mechanisms and severity of chemical versus UV‐induced damage. Abstract The combination of chemist techniques is a
Nathana Cindy Barros Silva Ramos   +7 more
wiley   +1 more source

Role of antimicrobial photodynamic therapy (aPDT) and systemic resveratrol on immediate implant placement in type 2 diabetic rats

open access: yesPhotochemistry and Photobiology, EarlyView.
This study evaluated the combined effects of antimicrobial photodynamic therapy (aPDT) and systemic resveratrol on bone repair around immediately placed implants in type 2 diabetic rats. Resveratrol improved glycemic control and body weight, while aPDT increased implant stability and bone mineralization.
Letícia Pitol‐Palin   +8 more
wiley   +1 more source

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