Results 11 to 20 of about 586 (78)

Giant extracellular hemoglobin of Glossoscolex paulistus: an extraordinary supramolecular hemoprotein system [PDF]

open access: yes, 2011
Giant extracellular hemoglobins are considered the summit of complexity in systems that carry oxygen, constituting an extraordinary model system to the study of hemoproteins.
AIMBIRE, Flávio   +7 more
core   +2 more sources

Modified silicas covalently bounded to 5,10,15,20-tetrakis(2-hydroxy-5-nitrophenyl)porphyrinato iron(III): synthesis, spectroscopic and EPR characterization. Catalytic studies [PDF]

open access: yes, 2008
In this work we have studied cyclooctene epoxidation with PhIO, using a new iron porphyrin, 5,10,15,20-tetrakis(2-hydroxy-5-nitrophenyl)porphyrinato iron(III), supported on silica matrices via eletrostatic interaction and / or covalent bonds as catalyst.
GANDINI, Maria Elisa F.   +6 more
core   +1 more source

Hydrocarbon oxidation catalyzed by iron and manganese porphyrins anchored on aminofunctionalized supports [PDF]

open access: yes, 2009
The second-generation metalloporphyrins (MePs) [5,10,15,20-tetrakis(pentafluorophenyl)porphyrin iron(III)] chloride, FeP, and [5,10,15,20-tetrakis(pentafluorophenyl)porphyrin manganese(III)] chloride, MnP, were covalently attached to aminofunctionalized ...
ASSIS, Marilda D.   +3 more
core   +1 more source

Análisis comparativo de los desenlaces de neonatos con enfermedad hemolítica severa manejados con y sin inmunoglobulina [PDF]

open access: yes, 2010
Objetivo: determinar la reducción de exanguinotransfusiones, estancia hospitalaria y complicaciones tempranas en recién nacidos con enfermedad hemolítica por el uso de inmunoglobulina endovenosa .
Bertolotto Cepeda, Ana
core   +1 more source

Light: a rare reaction product [PDF]

open access: yes, 2011
The production of visible light by chemical reactions constitutes interesting and fascinating phenomena and several reaction mechanisms are discussed to rationalize excited state formation.
AUGUSTO, Felipe Alberto   +9 more
core   +2 more sources

Estado da arte de complexos metaloporfirínicos aplicados como catalisadores em química fina [PDF]

open access: yes, 2021
Trabalho de conclusão de curso (graduação)—Universidade de Brasília, Instituto de Química, 2021.Atualmente, a química fina é um dos setores mais relevantes da indústria química e o alto valor agregado de seus produtos tem um impacto econômico expressivo
Corcino, Juliana Rodrigues Soares
core  

Las narices electrónicas en le ámbito de la industria agroalimentaria [PDF]

open access: yes, 2005
El término "sentido electrónico" refiere la posibilidad de reproducir los sentidos humanos mediante matrices de sensores y sistemas de reconocimiento de patrones.
Barreiro Elorza, Pilar   +2 more
core   +1 more source

Enfermedad de Huntington: estado del arte [PDF]

open access: yes, 2014
La enfermedad de Huntington es un desorden monogenético autosómico dominante, que genera un trastorno neurodegenerativo caracterizado por la pérdida de neuronas en diferentes partes del cerebro.
Rodas Sepúlveda, Carlos Daniel   +1 more
core  

Estudo do encapsulamento de metaloporfirinas na zeolita NaY : caracterização dos produtos e estudo da atividade catalitica [PDF]

open access: yes, 1998
Orientadora: Shirley NakagakiDissertação(mestrado) - Universidade Federal do ParanaResumo: Metaloporfirinas sintéticas têm sido imobilizadas em suportes inorgânicos ou orgânicos visando a proteção do anel porfirínico, mimetizando o sistema biológico ...
Xavier, Cláudia Regina
core   +1 more source

Electrochemical Metallization with Ni(II) from 5,10,15,20- Tetraquis(p-hydroxiphenyl)porfirin [PDF]

open access: yes, 2009
The electro-synthesis of a nickel metalloporphyrin by using the 5,10,15,20-tetraquis(phydroxyphenyl)porphyrin (TPPOH) as binding agent is reported. Before the electrosynthesis, cyclic voltammetry technique was applied to establish the best conditions for
Aguilera, E. N.   +3 more
core   +1 more source

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