Results 121 to 130 of about 2,382,522 (312)

Surfactant‐Enhanced Electrospun Nanofiber Filters for Efficient Viral and Bacterial Inactivation

open access: yesJournal of Applied Polymer Science, EarlyView.
In this work, electrospun polyacrylonitrile (PAN) nanofibrous filters functionalized with surfactants (CTAB, CPC, and SDS) were developed for air filtration applications. The PAN nanofiber mats enable efficient particulate matter capture while simultaneously providing antimicrobial and antiviral activity against bacteria (E. coli and S.
Edilton N. da Silva   +9 more
wiley   +1 more source

Parasitological status of dairy cattle in Votuporanga and Valentim Gentil, São Paulo State, Brazil

open access: yesBoletim de Indústria Animal, 2012
Given the importance of nematode parasites in cattle herds, this study aimed to assess the parasitological status of dairy cattle from small producers in Votuporanga and Valentim Gentil, SP. During technical visits to 45 farms in the region, interviews and stool sample collections were performed.
Giane Serafim da Silva   +4 more
openaire   +6 more sources

Polyethylene–Cellulose Composites From Cellulose Xanthate Solutions

open access: yesJournal of Applied Polymer Science, EarlyView.
An approach for fabricating cellulose/LDPE composites through cellulose dissolution, LDPE dispersion, and subsequent hot‐pressing. ABSTRACT This study reports a processing route for fabricating cellulose/LDPE composites involving the dispersion of polyethylene powder in a cellulose solution, followed by regeneration to form a continuous cellulose ...
Camila S. Moraes   +2 more
wiley   +1 more source

Anti-helmítico em bovinos de leite na região nordeste do estado de São Paulo

open access: yesBoletim de Indústria Animal, 2014
O presente trabalho visou a obter respostas ao uso de anti-helmíntico em bezerros lactantes, quando aplicado em épocas determinadas. Foi realizado no período de maio de 1979 a abril de 1980, na Estação Experimental de Zootecnia de Ribeirão Preto, na Região Nordeste do Estado de São Paulo.
Delcácio Joaquim da Silva   +2 more
openaire   +8 more sources

Improving Oxygen Barrier Performance of Polylactide Film by Using Bleached and Unbleached Nanocellulose From Grape Pomace

open access: yesJournal of Applied Polymer Science, EarlyView.
Bleached and unbleached nanocelluloses were produced from the exhausted grape pomace and applied as coatings on PLA substrates for sustainable food packaging. Unbleached nanocelluloses were more hydrophobic and amorphous than bleached ones. The resulting bio‐based bleached nanocellulose‐coated PLA films showed a 68% reduction in O2 permeability ...
Jingwen Chen   +6 more
wiley   +1 more source

Intervalo entre partos de vacas da raça holandesa criadas no Estado de São Paulo

open access: yesBoletim de Indústria Animal, 2014
Foram estudados 1.663 registros reprodutivos de vacas da raça holandesa, pertencentes a uma fazenda particular situada em Pindamonhangaba, SP, coletados entre 1964 e 1978. A média observada para o intervalo entre partos foi 415,5 ± 54,7 dias, com um coeficiente de variação de 13,2%.
Vera Lúcia Cardoso   +3 more
openaire   +7 more sources

Development and Characterization of Poly(Vinyl Alcohol)/Chitosan/Collagen Blends for the Treatment of Burn Wounds

open access: yesJournal of Applied Polymer Science, EarlyView.
Schematic illustration of the poly(vinyl alcohol)/chitosan/collagen blend, highlighting the main physicochemical characterization results and the biological evaluations performed in an in vivo burn model. ABSTRACT Burns are complex injuries that require effective and multifunctional therapeutic approaches.
Bruna V. Quevedo   +6 more
wiley   +1 more source

DOS SANTOS, Carlos José Ferreira. Nem tudo era italiano. São Paulo e pobreza (1890-1915). São Paulo: Fapesp/AnnaBlume, 1998, 195 p.

open access: yesDiálogos, 2017
A primeira impressão que o livro de Carlos José suscita é de espanto. Será possível que ele pretenda refutar a imensa influência da imigração européia no crescimento e na transformação da cidade de São Paulo entre fins do século XIX e início do XX?
João Fabio Bertonha   +1 more
doaj  

AN OVERVIEW OF RICH PEOPLE AT THE DAWN OF THE 20TH CENTURY: JOSÉ AGUDO WEAVES SCENES FROM SÃO PAULO LIFE

open access: yesRevista Brasileira de Literatura Comparada, 2022
José Agudo represents the city of São Paulo in its initial modernization process, presenting São Paulo scenes through the lens of the “owners of power”, that is, of those rich people who entitle the work.
Christini Roman de Lima
doaj  

Adaptação de plantas forrageiras no litoral sul do estado de São Paulo. VI. Iguape

open access: yesBoletim de Indústria Animal, 2014
A competição de dez leguminosas e quinze capins de clima tropical foi estudada em ensaio de parceles num solo hidromórfico em Iguape, no Vale do Ribeira (SP), quanto às produções de matéria seca e da proteína bruta por hectare, porcentagens de proteína bruta e matéria seca e teores de cálcio, fósforo e potássio.
Gilberto Bufarah   +2 more
openaire   +8 more sources

Home - About - Disclaimer - Privacy