Results 41 to 50 of about 17,328 (136)

Interfacial properties of cellulose derivatives from guinea grass (Megathyrsus maximus)

Journal of Surfactants and Detergents, Volume 28, Issue 4, Page 947-960, July 2025.
Abstract The utilization of sustainable feedstocks in surfactant production is crucial for reducing environmental impact, enhancing resource efficiency, and aligning with global efforts toward a circular economy and green chemistry. In this research, cellulose derivatives were synthesized by methylating cellulose fibers extracted from Guinea grass ...
Iris Silva, Bari Agüero, Nelson Barrios, Meraldo Herrera, Lokendra Pal, Juan Pereira   +5 more
wiley   +1 more source

"Sé que debo parar, pero no sé cómo": Abordajes teóricos en torno a los hombres, la salud y el cambio

Sexualidad, Salud y Sociedad: Revista Latinoamericana
Resumen: Este artículo propone revisar el proceso salud/enfermedad/atención de los hombres, desde los aportes de distintas miradas teóricas que buscan comprender la dialéctica del cambio y la resistencia/permanencia.
Benno de Keijzer
doaj   +1 more source

Navigating the Emotional Regime of the Vargas Era: Feminist Struggles, Catholic Reaction and Stories of Relational Rupture in Letters to President Getúlio Vargas (1930–1945)

Gender &History, Volume 37, Issue 2, Page 477-486, July 2025.
ABSTRACT This article discusses the intense struggles over family laws and policies in the early‐twentieth century, culminating with the establishment of the Estado Novo dictatorship of 1937–1945. It then analyses letters from ordinary citizens who ask President Getúlio for help in the aftermath of separation from a spouse or consensual partner.
Sueann Caulfield
wiley   +1 more source

Utilização da impedância bioelétrica para estimativa da massa muscular esquelética em homens idosos Use of bioelectrical impedance for the estimation of skeletal muscle mass in elderly men

Archivos Latinoamericanos de Nutrición, 2008
O presente estudo tem como objetivos: a) verificar a concordância entre os métodos da impedância bioelétrica (BIA) e da absortometria radiológica de dupla energia (DEXA), para a estimativa da massa muscular esquelética (MME); b) analisar o poder ...
Luiz Rodrigo Augustemak de Lima, Cassiano Ricardo Rech, Edio Luiz Petroski   +2 more
doaj  

Consumo de suplementos em universitários praticantes de musculação

Revista Brasileira de Nutrição Esportiva, 2021
O consumo de suplementos alimentares vem aumentando consideravelmente no paí­s. A maioria dos consumidores é do sexo masculino, sendo a principal fonte de indicação os profissionais de educação fí­sica.
Keila Priscila Santos Avelar, Maria Fernanda Laus   +1 more
doaj  

Kunststoffe der Zukunft? Interdisziplinäre Analyse biobasierter und biologisch abbaubarer Polymere: Fortschritte in der Chemie, gesellschaftliche Perspektiven und ökologische Auswirkungen

Angewandte Chemie, Volume 137, Issue 23, June 2, 2025.
Dieser interdisziplinäre Artikel untersucht das Potenzial biologisch abbaubarer und biobasierter Polymere (BBPs) zur Bewältigung der Plastikverschmutzung und der Entstehung von Mikroplastik. Er behandelt die Auswahl der Rohstoffe, chemische Modifikationen, Nutzung sowie Entsorgungsstrategien, einschließlich biologischem Abbau und Umweltauswirkungen von
Sara T. R. Velasquez, Qisong Hu, Johanna Kramm, Vitória C. Santin, Carolin Völker, Frederik R. Wurm   +5 more
wiley   +1 more source

Nurses’ Social Representations of Men’s Sexual Health Care Access: Preliminary Results

Portuguese Journal of Public Health
Background: Men’s access to sexual health care is influenced by the nurses’ symbolic universes, translated into maps of signification and normative idealization that structure their practices.
Alexandra Tereso, Lina Antunes, Ana Brantes, João Fernandes, Rui Santos, Ricardo Antunes, Alice Curado   +6 more
doaj   +1 more source

Family Dynamics of Boys Victims of Sexual Abuse

Paidéia (Ribeirão Preto), 2019
The family represents a privileged place for the detection of signs and symptoms of violence against children and adolescents, especially against boys, phenomenon underreported.
Amanda Pinheiro Said, Liana Fortunato Costa   +1 more
doaj   +1 more source

El estudio exploratorio: Mi aproximación al mundo de la investigación cualitativa O estudo exploratório: Minha aproximação ao mundo da investigação qualitativa The exploratory study: My approach to the qualitative research world

Investigación y Educación en Enfermería, 2011
Se muestran los aciertos y desaciertos en la preparación de un estudio exploratorio, en el que al final se visualiza la coherencia y la viabilidad de la futura investigación.
Nicanor Alonso Muñoz Aguirre
doaj  

Análise densitométrica da região femoral de homens acima de 50 anos oriundos de um ambulatório de urologia Densitometric analysis of femoral region in men older than 50 years old from an ambulatory of urology

Revista Brasileira de Reumatologia, 2009
INTRODUÇÃO: A osteoporose em homens ainda é pouco diagnosticada. O objetivo deste estudo é mensurar a densidade mineral óssea (DMO) e a prevalência de osteoporose em uma amostra de homens.
Renata Francioni Lopes, Alexandre Oliveira Marchesi, Raquel Novaes Fossari, Michele Chailleaux Cezar, Cláudia Medina Coeli, Maria Lucia Fleiuss de Farias   +5 more
doaj   +1 more source