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Multi-usar equipment approved in grant 2015/03964-6: acquisition of a stopped-flow Cd system

Grant number: 16/02852-2
Support type:Multi-user Equipment Program
Duration: June 01, 2016 - May 31, 2023
Field of knowledge:Biological Sciences - Biochemistry - Chemistry of Macromolecules
Principal researcher:Helena Bonciani Nader
Grantee:Helena Bonciani Nader
Home Institution: Escola Paulista de Medicina (EPM). Universidade Federal de São Paulo (UNIFESP). Campus São Paulo. São Paulo , SP, Brazil
Associated research grant:15/03964-6 - Glycosaminoglycans and proteoglycans: interplay between structure and function, AP.TEM
As informações de acesso ao Equipamento Multiusuário são de responsabilidade do Pesquisador responsável
EMU web page:http://www.posgrad.epm.br/biomol/multiequipa/index.asp
Type of equipment:Processos Físicos - Manipulação de amostras - Fluxo interrompido (stopped flow)
Caracterização de Materiais - Espectroscopia - Dicroísmo circular
Manufacturer: Applied Photophysics
Model: CS/3D Chirascan-plus qCD

Abstract

Circular Dichroism (CD) spectroscopy is a technique used to study a variety of chiral molecules (drugs, polymers and biopolymers) in solution. In particular, for proteins, knowledge of structure-function relationship is essential to dissect the mechanism of action and identify novel potential therapeutic targets. The equipment required, besides the CD equipment, has a system for rapid mixing studies (stopped-flow) allowing the monitoring of molecular interactions phenomena, structural alterations, kinetic studies, conformational changes related to changes in physical and chemical parameters and protein folding studies (folding / unfolding), which may occur at reduced time intervals, on the order of milliseconds. Fundamentally, performing kinetic experiments in stopped-flow allows the detection of short-term intermediate in the course of the reaction, allowing access to information on the reaction mechanisms which would not be detectable in classical systems of equilibrium kinetic studies. (AU)

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