Results 81 to 90 of about 402,947 (216)

Co‐Impregnated MgAl Layered Double Hydroxide as an Efficient Catalyst for Glycerol Oligomerization

open access: yesApplied Organometallic Chemistry, Volume 40, Issue 1, January 2026.
A cobalt(II) acetylacetonate–impregnated MgAl LDH catalyst was developed, showing enhanced basicity and superior activity in glycerol oligomerization, achieving 68% conversion and 27% diglycerol selectivity. The catalyst maintained high performance over three recycling cycles, with structural and surface modifications confirmed by comprehensive ...
Fernando José Soares Barros   +5 more
wiley   +1 more source

Effects of ultraviolet radiation on the microbiological, physicochemical, and sensory properties of Rangpur lime juice [PDF]

open access: yes, 2018
Rangpur lime juice was subjected to ultraviolet (UV) radiation as a non-thermal technology and changes in/on quality characteristics (microbiological, physicochemical and sensorial) were determined in order to extend its shelf life.
Acevedo, Belén Andrea   +2 more
core  

In vitro activities of amphotericin B, terbinafine, and azole drugs against clinical and environmental isolates of apergillus terreus Sensu Stricto [PDF]

open access: yes, 2015
The antifungal susceptibilities of 40 clinical and environmental isolates of A. terreus sensu stricto to amphotericin B, terbinafine, itraconazole, and voriconazole were determined in accordance with CLSI document M38-A2.
Cattana, Maria Emilia   +6 more
core   +1 more source

Clinical, Serological, and Molecular Profile of Dengue Patients With Warning Signs During the 2024 Outbreak in Belo Horizonte, Brazil

open access: yesJournal of Medical Virology, Volume 98, Issue 1, January 2026.
ABSTRACT Dengue poses a significant arboviral threat in Brazil, with 2024 recording the largest outbreak to date. This prospective observational study was conducted during the 2024 outbreak with unvaccinated patients at Eduardo de Menezes Hospital, Belo Horizonte.
Samille Henriques Pereira   +13 more
wiley   +1 more source

TECNOLOGIAS APROPRIADAS PARA A AGRICULTURA DE-PENDENTE DE CHUVA DO SEMI-ÁRIDO NORDESTINO: UMA AVALIAÇÃO

open access: yesCadernos de Estudos Sociais, 1992
Este artigo contém uma avaliação das tecnologias desenvolvidas pelo Centro de Pesquisa Agropecuária do Trópico Semi-Árido (CPATSA) da EMBRAPA para a agricultura do semi-árido nordestino.
Renato Duarte
doaj  

Multiple anti-predator mechanisms in the red-spotted Argentina Frog (Amphibia: Hylidae) [PDF]

open access: yes, 2017
Anurans employ a wide variety of anti-predator mechanisms to defend themselves. In casque-headed hylids, defence is thought to be a complex combination of several anti-predator mechanisms. However, the defence traits of only a few species are known; some
Alcalde, Leandro   +6 more
core   +2 more sources

Terrorismo no Nordeste

open access: yesSæculum - Revista de História, 2023
No final da década de 1970 e começo da seguinte, extremistas de direita, em geral ligados aos órgãos de repressão, realizaram vários atentados à bomba e ameaças terroristas pelo País, na intenção de barrar a distensão/abertura da ditadura e conter o que entendiam ser uma ameaça comunista. A onda terrorista trouxe destruição material, provocou vítimas e
openaire   +1 more source

Cherenkov Telescope Array Observatory: Die Zukunft der Gammaastronomie

open access: yesPhysik in unserer Zeit, Volume 57, Issue 1, Page 10-18, January 2026.
Im Jahr 1989 hat das Wipple‐Observatorium die erste Quelle hochenergetischer Gammastrahlung entdeckt. 2002 waren dann sechs Quellen bekannt, 2024 schon mehr als 300. Und das ist immer noch lediglich die Spitze des Eisbergs in der jungen Geschichte der Gammaastronomie.
Daniela Hadasch, Daniel Mazin
wiley   +1 more source

Fast and Efficient Monitoring of Diclofenac Dissolution Profile by CE [PDF]

open access: yes, 2014
Capillary electrophoresis (CE) was used to follow Diclofenac tablet dissolution, in very short times and allowing dissolution testing without volume replacement. By using Student´s t test and F-test, this CE method was compared with HPLC.
Delfino, Mario Raul   +3 more
core   +1 more source

Naming the Wolves: Consumer Credit and Rentier Financialisation on the Brazilian Periphery

open access: yesAntipode, Volume 58, Issue 1, January 2026.
Abstract Recent social policy in Brazil has centred on a vision for financial inclusion that claims to alleviate poverty through credit‐based consumption. We argue that, contrary to these claims, Brazil's consumer credit boom has entrenched a financialised macroeconomic model in which debt and rentierism have become motors of the national economy ...
Jessica Sklair   +2 more
wiley   +1 more source

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