Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Gelson José Andrade da Conceição"'
1
Influence of Sr2+ in calcium phosphates formation on the surface of Al2O3/ZrO2 nanocomposites
Autor: Eliria Maria de Jesus Agnolon Pallone, Fabio Caixeta Nunes, Gelson José Andrade da Conceição, Julieta Adriana Ferreira, Mylena Ayo Maia, Kátia Helena dos Santos
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
This study investigated the influence of Sr2+ ions incorporation in calcium phosphates formation on the surface of Al2O3/ZrO2 (5 vol%) nanocomposites. For this, Al2O3/ZrO2 samples were shaped, calcined (400 °C for 1 h), and sintered (1500 °C for 2
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::976bcc7eb1d310a17d886b1d79abaafc
https://doi.org/10.1016/j.ceramint.2021.07.247
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2
Plasma surface treatments of Al2O3/ZrO2 nanocomposites and their influence on the formation and adhesion of calcium phosphates
Autor: Julieta Adriana Ferreira, Kátia Helena dos Santos, Luiz Alberto Colnago, Eliria Maria de Jesus Agnolon Pallone, Gelson José Andrade da Conceição, Denise Osiro, Clodomiro Alves Júnior
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
In the present work, Al2O3/ZrO2 nanocomposite surfaces were treated with plasma under gaseous atmospheres with different proportions of N2, H2, and O2 to improve the adhesion of biomimetically deposited calcium phosphate layers. Initially, samples of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8b0055db2bf8ffef9b193b6be6205b8
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3
Influence of different chemical treatments on the surface of Al2O3/ZrO2 nanocomposites during biomimetic coating
Autor: Julieta Adriana Ferreira, Rubens Bernardes Filho, Kátia Helena dos Santos, Denise Osiro, Gelson José Andrade da Conceição, Luiz Alberto Colnago, Eliria Maria de Jesus Agnolon Pallone
Publikováno v: Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA-Alice)
Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
The objective of this study is to evaluate the influence of different chemical surface treatments (H 3 PO 4 , HNO 3 , and NaOH) in the formation of calcium phosphate phases on the surface of Al 2 O 3 /ZrO 2 (5 vol%) nanocomposite. For this purpose, A
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff08cbc3ef36b3ec865326590dad9865
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1079379
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4
Effect of different polysaccharides and crosslinkers on echium oil microcapsules
Autor: Izabel Cristina Freitas Moraes, Roselayne Ferro-Furtado, Gelson José Andrade da Conceição, Carmen Silvia Fávaro-Trindade, Inar Alves de Castro, Talita A. Comunian, Joaquin Gomez-Estaca
Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Digital.CSIC. Repositorio Institucional del CSIC
instname
Microencapsulation by complex coacervation using gelatin and arabic gum (AG) as wall materials and transglutaminase for crosslinking is commonly used. However, AG is only produced in a few countries and transglutaminase is expensive. This work aimed
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ee868070c7a57756945cac675c51cd34
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5
Trichosporon cutaneum-promoted deracemization of (±)-2-hydroxindan-1-one: a mechanistic study
Autor: Gelson José Andrade da Conceição, Tarcila Cazetta, Inês Lunardi, Paulo J. S. Moran, J. Augusto R. Rodrigues
Publikováno v: Tetrahedron: Asymmetry. 18:2030-2036
A mechanistic study of the deracemization of (±)-2-hydroxy-1-indanone mediated by the yeast Trichosporon cutaneum to afford pure (1 S ,2 R )-1,2-indandiol is reported. The key aspect of the study was the use of pure ( R )- and ( S )-2-hydroxy-1-inda
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::571c0aece89976301f7bafa6443e6113
https://doi.org/10.1016/j.tetasy.2007.08.007
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6
Studies of the Deracemization of (±)-2-Hydroxy-1-tetralone byTrichosporon cutaneum
Autor: Paulo J. S. Moran, Gelson José Andrade da Conceição, Inês Lunardi, Tarcila Cazetta, J. Augusto R. Rodrigues
Publikováno v: Advanced Synthesis & Catalysis. 349:925-932
The diastereo- and enantioselective bioreduction of (±)-2-hydroxy-1-tetralone (6) to the corresponding enantiopure (1S,2R)-cis-1,2-dihydroxy-1,2,3,4-tetrahydronaphthalene (1) (83 % isolated yield, >99 % ee), mediated by resting cells of the yeast Tr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::50af6f17138008fac3fdced0ef78753c
https://doi.org/10.1002/adsc.200600331
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7
Highly stereoselective preparation of (3R,4S)-3,4-chromanediol by deracemization of (±)-3-hydroxy-4-chromanone by Trichosporon cutaneum
Autor: Gelson José Andrade da Conceição, Paulo J. S. Moran, Inês Lunardi, J. Augusto R. Rodrigues
Publikováno v: Tetrahedron: Asymmetry. 16:2515-2519
Deracemization of (±)-3-hydroxy-4-chromanone 2 through stereoselective bioreduction to the corresponding (3R,4S)-3,4-chromanediol 3, with good to excellent enantiomeric excesses (up to 99%), mediated by resting cells of the yeast Trichosporon cutane
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::42500c5e1b43708bd99f678e0080a4bf
https://doi.org/10.1016/j.tetasy.2005.06.020
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8
Regio- and enantioselective reduction of a α-methyleneketone by Rhodotorula glutinis
Autor: Paulo J. S. Moran, J. Augusto R. Rodrigues, Gelson José Andrade da Conceição
Publikováno v: ARKIVOC, Vol 2003, Iss 10, Pp 500-506 (2003)
A study of the reduction of 2-ethyl-1-phenylprop-2-en-1-one (3) by Rhodotorula glutinis CCT 2182 in the presence and absence of XAD-7 resin is reported. The use of XAD-7 led to the corresponding (S)-α-methylketone 4 in high yield and enantiomeric ex
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4f30d5eef8c36e47fbf72eca18d55b7
https://doi.org/10.3998/ark.5550190.0004.a46
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10
Retrospective analysis follicular fluid lipids associated with the oocytes development potential
Autor: Gabriella Mamede Andrade
Publikováno v: Biblioteca Digital de Teses e Dissertações da USP
Universidade de São Paulo (USP)
instacron:USP
A produção in vitro de embriões, no Brasil, ocupa lugar de destaque dentre as biotecnologias da reprodução animal e o atual desafio é torná-la cada vez mais acessível, para tanto, é fundamental aproximar os resultados de produção e sobrevi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc4d693a985a57a02964237ac22fc2ea
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