Results 31 to 40 of about 88,806 (167)

Ectonucleotidases in Tumor Cells and Tumor‐Associated Immune Cells: An Overview

open access: yesBioMed Research International, Volume 2012, Issue 1, 2012., 2012
Increasing evidence points out that genetic alteration does not guarantee the development of a tumor and indicates that complex interactions of tumor cells with the microenvironment are fundamental to tumorigenesis. Among the pathological alterations that give tumor cells invasive potential, disruption of inflammatory response and the purinergic ...
Letícia Scussel Bergamin   +5 more
wiley   +1 more source

Keratinase Production by Three Bacillus spp. Using Feather Meal and Whole Feather as Substrate in a Submerged Fermentation

open access: yesEnzyme Research, Volume 2011, Issue 1, 2011., 2011
Three Bacillus species (B. subtilis LFB‐FIOCRUZ 1270, B. subtilis LFB‐FIOCRUZ 1273, and B. licheniformis LFB‐FIOCRUZ 1274), isolated from the poultry industry, were evaluated for keratinase production using feathers or feather meal as the sole carbon and nitrogen sources in a submerged fermentation. The three Bacillus spp.
Ana Maria Mazotto   +7 more
wiley   +1 more source

Elaboration and Characterization of Natural Deep Eutectic Solvents (NADESs): Application in the Extraction of Phenolic Compounds from pitaya

open access: yesMolecules, 2022
In this paper, natural deep eutectic solvents (NADESs) with lactic acid, glycine, ammonium acetate, sodium acetate, and choline chloride were prepared with and without the addition of water.
Ianê Valente Pires   +5 more
doaj   +1 more source

Palladium Nanoparticles Dispersed in Alginate Beads as an Efficient, Eco‐friendly, and Sustainable Heteregeneous Catalyst: Testing in Carbon‐Sulfur and Carbon‐Carbon Cross‐Coupling Reactions

open access: yesAsian Journal of Organic Chemistry, Volume 14, Issue 8, August 2025.
Abstract The development of sustainable and efficient catalysts featuring palladium nanoparticles (Pd NPs) is highly sought after. In this context, sodium alginate, a natural polymer, presents a promising eco‐friendly support material for Pd NPs.
Ramesh Katla   +6 more
wiley   +1 more source

Seasonal Variation, Chemical Composition and Antioxidant Activity of Brazilian Propolis Samples

open access: yesEvidence-Based Complementary and Alternative Medicine, Volume 7, Issue 3, Page 307-315, 2010., 2010
Total phenolic contents, antioxidant activity and chemical composition of propolis samples from three localities of Minas Gerais state (southeast Brazil) were determined. Total phenolic contents were determined by the Folin–Ciocalteau method, antioxidant activity was evaluated by DPPH, using BHT as reference, and chemical composition was analyzed by GC/
Érica Weinstein Teixeira   +4 more
wiley   +1 more source

Probiotic Minas Frescal cheese added with Wezmannia coagulans GBI‐30: Proteomic analysis, rheological properties and fatty acid composition

open access: yesInternational Journal of Dairy Technology, Volume 78, Issue 3, July–September 2025.
Increased release of bioactive peptides with antihypertensive and antimicrobial effects. Improved fatty acid profile with higher unsaturated fatty acid concentrations. Enhanced rheological properties resulting in firmer, more cohesive cheese texture.
Thais Cristina M Silva   +13 more
wiley   +1 more source

Elaboração de roteiro para inspeção das boas práticas de manipulação e comercialização de alimentos no setor informal

open access: yesVigilância Sanitária em Debate: Sociedade, Ciência & Tecnologia, 2017
O comércio informal de alimentos desempenha um grande papel socioeconômico, cultural e nutricional na vida dos consumidores. Entretanto, considera-se que os alimentos comercializados informalmente podem constituir um risco à saúde da população, pois ...
Angélica Cotta Lobo Leite Carneiro   +4 more
doaj   +6 more sources

Identification of Lactic Acid Bacteria on Raw Material for Cocoa Bean Fermentation in the Brazilian Amazon

open access: yesFermentation, 2022
The prevalent microbiota during cocoa fermentation is one of the main factors responsible for the chemical and biochemical changes that lead to desirable chocolate characteristics. However, the microbiota can be affected by several factors, including the
Gilson Celso Albuquerque Chagas Junior   +5 more
doaj   +1 more source

Segurança de alimentos de rua: percepção dos consumidores no Paraná, Brasil

open access: yesSaúde e Pesquisa
O objetivo foi avaliar as percepções, atitudes e conhecimentos sobre a segurança dos alimentos preparados e/ou vendidos nas ruas entre os consumidores do Estado de Paraná, Brasil. Um total de 813 consumidores de comida de rua respondeu a um questionário on-line e autoadministrado, resultando em uma alta proporção de pessoas do sexo feminino, jovens ...
Rosyzela Cordova Neyra   +4 more
openaire   +1 more source

Health Benefits of the Alkaloids from Lobeira (Solanum lycocarpum St. Hill): A Comprehensive Review

open access: yesPlants
Solanum is the largest genus within the Solanaceae family and has garnered considerable attention in chemical and biological investigations over the past 30 years. In this context, lobeira or “fruta-do-lobo” (Solanum lycocarpum St.
Felipe Tecchio Borsoi   +2 more
doaj   +1 more source

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