Výsledky vyhledávání - "Maria C. F. C. Felinto"

Wide visible-range activatable fluorescence ZnSe:Eu3+/Mn2+@ZnS quantum dots: local atomic structure order and application as a nanoprobe for bioimaging

Autor: Maria C. F. C. Felinto, Hermi F. Brito, Hiro Goto, Zahid U. Khan, Latif U. Khan, Mayara Klimuk Uchiyama, Ana Olívia de Souza, Koiti Araki, Magnus Gidlund

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

The development of QDs based fluorescence bionanoprobe for cellular imaging fundamentally relies upon the precise knowledge of particle-cell interaction, optical properties of QDs inside and outside of the cell, movement of a particle in and out of t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::248c8a378efc56821f62ada7ccee82f7

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Development of highly luminescent PMMA films doped with Eu3+β-diketonate coordinated on ancillary ligand

Autor: Maria C. F. C. Felinto, H.F. Brito, Ercules E.S. Teotonio, L.H.C. Francisco, Oscar L. Malta

Publikováno v: Journal of Materials Science: Materials in Electronics. 30:16922-16931

In this work, [Eu(tta)3(4-picNO)2] and [Eu(dbm)3(4-picNO)] complexes were incorporated on different concentrations (x = 1, 3, 5, 10 and 15%) in PMMA polymeric matrix (4-picNO: 4-Methylpyridine N-oxide) by the solvent casting method, yielding transpar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::66c2eb57ab0d0da66b1781f23b3d35af
https://doi.org/10.1007/s10854-019-01639-9

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Microwave-Assisted Preparation of Luminescent Inorganic Materials: A Fast Route to Light Conversion and Storage Phosphors

Autor: Cássio Cardoso Santos Pedroso, Matheus Salgado de Nichile Saula, Hermi F. Brito, José Miranda de Carvalho, Maria C. F. C. Felinto

Publikováno v: Molecules
Molecules, Vol 26, Iss 2882, p 2882 (2021)
Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Luminescent inorganic materials are used in several technological applications such as light-emitting displays, white LEDs for illumination, bioimaging, and photodynamic therapy. Usually, inorganic phosphors (e.g., complex oxides, silicates) need hig

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::df7f297951f8f5a14bc27ea0c73d2434
https://pubmed.ncbi.nlm.nih.gov/34068050

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Luminescence properties of the Ln–EDTA complexes covalently linked to the chitosan biopolymers containing β-diketonate as antenna ligands

Autor: Israel F. Costa, José G.P. Espínola, Maria C. F. C. Felinto, Ercules E.S. Teotonio, Hermi F. Brito, Wagner M. Faustino, Gilvan P. Pires

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

This paper reports on the preparation, characterization, and photoluminescence properties of novel hybrid materials, in which the EDTA-Ln-L complexes (where L: H2 O, acac, bzac, dbm, and tta ligands, and Ln: Eu, Gd, and Tb) were covalently linked to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ba340e274004fc0c2b56e612bd2b15d2

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Blue-emitting MWO4:Tm3+ (M: Sr, Ba) phosphors prepared by coprecipitation method at room temperature

Autor: Edson L. Gaiollo, Oscar L. Malta, Ercules E.S. Teotonio, Hermi F. Brito, Maria C. F. C. Felinto, Cássio Cardoso Santos Pedroso, Helliomar P. Barbosa, Renan P. Moreira

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

MWO4 host matrices (M: Sr, Ba) doped with different Tm3+ concentrations (0.02, 0.04, 0.06, 0.08 and 0.10 mol%) have been successfully prepared by the coprecipitation method at room temperature. The as-prepared nanophosphors were characterized by infr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56d30ce8eca96edd8f864b676877f2d3

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Synthesis and photoluminescence properties of [Eu(dbm)3·PX] and [Eu(acac)3·PX] complexes

Autor: Thelma A. Kovacs, Oscar L. Malta, Bakhat Ali, Tiago Becerra Paolini, Hermi F. Brito, Liana K.O. Nakamura, Ercules E.S. Teotonio, Maria C. F. C. Felinto

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

Two novel luminescent europium tris ( β -diketonate) complexes [Eu(dbm) 3 ·PX] and [Eu(acac) 3 ·PX] (dbm: dibenzoylmethane, acac: acetylacetonate and PX: piroxicam) were successfully synthesized. These coordination compounds were characterized by

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::78c1472cfa6442f7501290f148b725a3
https://doi.org/10.1016/j.jlumin.2017.09.029

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SrAl2O4: Eu2+, Dy3+ persistent luminescent materials functionalized with the Eu3+(TTA)-complex by microwave-assisted method

Autor: L.H.C. Francisco, Renan P. Moreira, Maria C. F. C. Felinto, Oscar L. Malta, Verônica C. Teixeira, H.F. Brito

Publikováno v: Journal of Alloys and Compounds. 882:160608

Recently, several classes of rare-earth-doped luminescent materials have been drawing attention due to structurally engineered energy converting systems, capable of tuning absorption and emission spectral ranges, outlining new materials and applicati

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::36b671c6a21e7465c667c9a3fb2093a0
https://doi.org/10.1016/j.jallcom.2021.160608

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(INVITED) JOYSpectra: A web platform for luminescence of lanthanides

Autor: Wagner M. Faustino, Maria C. F. C. Felinto, Luís D. Carlos, Ricardo L. Longo, Hermi F. Brito, Ewerton M. de Lima, Ercules E.S. Teotonio, Carlos V. Santos-Jr., Eduardo C. Aguiar, Rute A. S. Ferreira, Albano N. Carneiro Neto, Renaldo T. Moura, Oscar L. Malta

Publikováno v: Optical Materials: X, Vol 11, Iss, Pp 100080-(2021)

JOYSpectra is a free-of-charge web platform to perform online calculations of spectroscopic properties of lanthanide-based compounds and materials. It has several features and functionalities to provide a detailed analysis of the intensity parameters

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ebced419a6d08cc856bb1db1febc18b
https://doi.org/10.1016/j.omx.2021.100080

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Photoluminescence of single-phased white light emission materials based on simultaneous Tb3+, Eu3+ and Dy3+ doping in CaWO4 matrix

Autor: Ercules E.S. Teotonio, Ivan G.N. Silva, Hermi F. Brito, Helliomar P. Barbosa, Oscar L. Malta, Maria C. F. C. Felinto

Publikováno v: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP

The triply-doped xTb 3+ /xEu 3+ /xDy 3+ CaWO 4 (x: 0.5, 1.0, 2.0, 3.0, 4.0 and 5.0 mol%) nanomaterials were prepared at room temperature by a coprecipitation method. The luminescence materials were characterized by X-ray powder diffraction (XPD), the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0e33a49d562ff4b562e8c6481536f43e
https://doi.org/10.1016/j.jallcom.2016.11.378

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