Results 181 to 190 of about 8,234,469 (246)

Development and Validation of a Cellulose‐Coated Stir Bar Sorptive Extraction Method for a Simple, Environmentally Friendly Approach to Measuring Free Glycerol in Biodiesel

Journal of the American Oil Chemists' Society, EarlyView.
Preparation of a highly porous cellulose‐coated stir bar for the selective, environmentally friendly extraction of free glycerol from biodiesel using the SBSE method, followed by HPLC‐DAD analysis of the extract after derivatization with benzoyl chloride.
Caroline Lopes da Silva, Maria Aparecida Barros, Antônio Carlos Ferreira Batista, Anizio Marcio de Faria   +3 more
wiley   +1 more source

Collecção das Leis do Imperio do Brasil de 1846

Parte 1 - LeisParte 2 - LeisParte 3 - DecisõesColeção das Leis do Império do Brasil de ...
Brasil, [Leis etc]
core  

Comparative Profiles of Lipophilic Nutrients and In Vitro Antioxidant Activity in Commercial Arabica and Robusta Green Coffee Beans

Journal of the American Oil Chemists' Society, EarlyView.
Integrated compositional profiling of ten commercial green coffee lots showed higher mean total phenolic content, DPPH radical‐scavenging activity, β‐carotene, and total phytosterols in Robusta‐labeled lots, whereas Arabica‐labeled lots showed higher mean total tocopherols and total measured fatty acids.
Muyny Chhom, Youngmin Choi, Jung‐Ah Shin   +2 more
wiley   +1 more source

Conductive PMMA/rGO Microfibers via Solution Blow Spinning: Role of Fiber Architecture on Electrical Transport

Journal of Applied Polymer Science, EarlyView.
A multidisciplinary characterization approach combining microscopy, tomography, spectroscopy, and electrical measurements reveals how fiber architecture and network connectivity govern electrical transport in PMMA/rGO microfibers by solution blow spinning.
Clarissa de Paula Dias, Mostafa Gamal, Bruno Sousa da Cunha, Santiago Bermudez, Rafael Travincas, Sérgio Neves Monteiro, Henry Colorado, Édio Pereira Lima Júnior, Carlos E. Castano   +8 more
wiley   +1 more source

Development of Biocatalysts Based on Lipase B From Candida antarctica Immobilized on Magnetic Poly(Styrene‐Co‐Divinylbenzene) for Application in Esterification Reactions

Journal of Applied Polymer Science, EarlyView.
Magnetic biocatalysts can be recovered from high‐viscosity reaction media, such as those used in esterification, via magnetic attraction, thereby streamlining the bioprocess and reducing costs. This work builds on prior studies by providing additional data on how particle morphology influences immobilization parameters and by further exploring ...
Sabrina S. Teixeira, Luís A. C. Romero‐Silva, Ezaine C. C. Torquato, Manoel R. da Silva, Marcos A. S. Costa, Evelin A. Manoel, Eliane P. Cipolatti, Luciana C. Costa   +7 more
wiley   +1 more source

Zn/Al‐NO3 Layered Double Hydroxide as Alternative Activator for Nitrile Rubber Vulcanization: Effect of the Accelerator‐to‐Sulfur Ratio on Curing Kinetics and Network Properties

Journal of Applied Polymer Science, EarlyView.
Zn/Al‐NO3 layered double hydroxide offers a low‐zinc alternative for sulfur vulcanization of nitrile rubber, reducing nominal zinc loading by an estimated 71%. Its potential as a vulcanization activator depends on the curing system: conventional curing preserves tensile strength despite slower kinetics, whereas efficient curing maintains comparable ...
Lucas Castro Roza de Faria, Marcus Vinícius Alves Sampaio de Souza, Antonio Renato Bigansolli, Paulo Jansen de Oliveira, Fernanda Cristina Fernandes Braga, Marcelo Ferreira Leão de Oliveira, Carolina Guedes Fioravante Rezende, Marcia Gomes de Oliveira, Danieli Martins do Carmo   +8 more
wiley   +1 more source

refloraR: An R package for efficiently retrieving and analyzing plant specimen data from the Herbário Virtual Reflora

Applications in Plant Sciences, EarlyView.
Abstract Premise Advances in the digitization of herbarium collections are enabling open access to specimen data for research and conservation. In Brazil, the Herbário Virtual Reflora (HVR) hosts over 4.8 million high‐resolution images of botanical specimens and their associated data from 86 national and international herbaria.
Carlos Calderón del Cid, Ana Flávia Alves Versiane, Paula Leitman, Fabiana Ranzato Filardi, Rafaela Campostrini Forzza, Domingos Cardoso   +5 more
wiley   +1 more source

Central do Brasil e o Melodrama

Comunicação & Informação, 2013
openaire   +2 more sources

Morphological and morphometric aspects of the equine aortic valve: New insights for comparative studies in mammals

The Anatomical Record, EarlyView.
Abstract New data on the equine aortic valve obtained using advanced techniques is especially important given the greater availability of animal models for translational research. Here we characterized the morphological and morphometric aspects of the equine aortic valve from 60 healthy hearts collected at equine abattoirs.
Vitor Pires Pereira, Victoria Brondani de Oliveira, Carlos Eduardo Seyfert, Luciano de Morais‐Pinto   +3 more
wiley   +1 more source

Mudança e sobrevivência no alto Xingu, Brasil Central

Revista de Antropologia, 1966
Galvão, Eduardo, Simões, Mario F.
openaire   +3 more sources