Results 41 to 50 of about 185,931 (232)

Scientific report on the determination of the presence of cannabinoids in industrial hemp food on the market of the Republic of Croatia

open access: yesFood Risk Assess Europe, Volume 3, Issue 4, October 2025.
Summary Cannabis sativa L. is one of the oldest cultivated plants on the planet. It was initially used by humans as a source of roughage for animals and as a textile fiber; over time, it has been used as a source of food and medicine. The plant contains bioactive compounds called cannabinoids. The best‐known cannabinoids occurring in Cannabis sativa L.
Martina Jurković   +2 more
wiley   +1 more source

Estudio bioquímico del veneno de Tityus kaderkai(Scorpiones: Buthidae) con notas sobre su distribución y hábitat en el Perú

open access: yesRevista Peruana de Biología, 2013
Se ha estudiado bioquímicamente el veneno del escorpión Tityus kaderkai Kovařik, 2005 del departamento de Madre de Dios. El veneno soluble contiene 47.6% de proteína y por PAGESDS muestra cinco bandas proteicas. Las proteínas del veneno fueron separadas,
Enrique Escobar   +2 more
doaj   +1 more source

Inmovilización de enzimas

open access: yesPädi Boletín Científico de Ciencias Básicas e Ingenierías del ICBI, 2018
Existe una amplia diversidad de métodos para inmovilizar enzimas y para seleccionar alguno de ellos debe considerarse la enzima en cuestión, así como las características del proceso y los recursos e infraestructura disponibles. En este trabajo se ensayó el método de atrapamiento en gel de alginato para inmovilizar la pectinasa, una enzima de gran ...
Aviles Cabral, Hugo   +4 more
openaire   +3 more sources

Catalisis, enzimas y pruebas rápidas

open access: yesRevista Nova publicación científica en ciencias biomédicas, 2022
Many metabolic and biological processes are catalyzed by enzymes; Enzymes are organic chemical compounds that belong to the specific group of biomolecules called proteins. Enzymes have in their quaternary molecular structure, internal organizations that allow  defining a place called the active center; its chemical, kinetic, and thermodynamic function ...
Lucía Constanza Corrales Ramírez   +2 more
openaire   +1 more source

The Computer‐Assisted Sequence Annotation (CASA) workflow for enzyme discovery

open access: yesApplications in Plant Sciences, Volume 13, Issue 4, July-August 2025.
Abstract Premise With the advent of inexpensive nucleic acid sequencing and automated annotation at the level of basic functionality, the central problem of enzyme discovery is no longer finding active sequences, it is determining which ones are suitable for further study.
Gemma R. Takahashi   +3 more
wiley   +1 more source

Níveis de fitase sobre o desempenho, parâmetros ósseos e bioquímicos de suínos alimentados com ração de origem vegetal sem inclusão de fosfato bicálcico

open access: yesCiência Rural, 2015
Este estudo foi conduzido com o objetivo de avaliar os níveis de fitase em rações para suínos em crescimento selecionados para deposição de carne. Foram utilizados 64 suínos mestiços (32 machos castrados e 32 fêmeas), híbridos comerciais, com peso médio ...
João Gabriel Pereira Magnago   +8 more
doaj   +1 more source

Efecto del aceite esencial de Minthostachys verticillata sobre la respuesta inmune de pacientes alérgicos a ácaros del polvo [PDF]

open access: yes, 2009
El aceite esencial de hojas de M. verticillata fue obtenido por destilación en corriente de vapor y analizado por cromatografía gaseosa. Células mononucleares de sangre periférica de pacientes alérgicos, fueron estimuladas con aceite esencial.
Andrada, Melisa   +6 more
core  

Socioecology and Prevalence of SARS‐CoV‐2 Infection in Quilombolas Living in the Brazilian Amazon Socioecologia e Prevalência de Infecção pelo SARS‐CoV‐2 em Quilombolas Vivendo na Amazônia Brasileira Socioecología y prevalencia de la infección por SARS‐CoV‐2 en quilombolas que viven en la Amazonía brasileña

open access: yesAmerican Journal of Human Biology, Volume 37, Issue 5, May 2025.
ABSTRACT Objectives This cross‐sectional study presents socioecological, epidemiological aspects, and the seroprevalence of immunoglobulin G (IgG) against severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) in a group of quilombola (afro‐derived) communities in the states of Pará and Tocantins, in the Brazilian Amazon, to evaluate the impact ...
Keise Adrielle Santos Pereira   +19 more
wiley   +1 more source

Increasing levels of phytase in diets formulated with reduced available phosphorus content supplied to male and female broilers

open access: yesCiência Rural, 2014
The reduction of the available phosphorus (avP) content in the broiler diet must be followed by the supplementation of adequate phytase. One experiment was conducted with broilers from 15 to 28 days of age to determine the level of necessary phytase when
Luciana de Paula Naves   +7 more
doaj   +1 more source

Mecanismo cinético de la descaboxilasa pirofosfomevalónica: experimentos preliminares [PDF]

open access: yes, 2019
En este trabajo se describe el efecto inhibitorio del ATP-y-S (análogo sulfurado del ATP) sobre la descarboxilasa pirofosfomevalónica de hígado de pollo.
Cardemil, Emilio   +2 more
core   +1 more source

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