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Type: Artigo de periódico
Title: Mechanical and electrical properties of red blood cells using optical tweezers
Author: Fontes, A
Castro, MLB
Brandao, MM
Fernandes, HP
Thomaz, AA
Huruta, RR
Pozzo, LY
Barbosa, LC
Costa, FF
Saad, STO
Cesar, CL
Abstract: Optical tweezers are a very sensitive tool, based on photon momentum transfer, for individual, cell by cell, manipulation and measurements, which can be applied to obtain important properties of erythrocytes for clinical and research purposes. Mechanical and electrical properties of erythrocytes are critical parameters for stored cells in transfusion centers, immunohematological tests performed in transfusional routines and in blood diseases. In this work, we showed methods, based on optical tweezers, to study red blood cells and applied them to measure apparent overall elasticity, apparent membrane viscosity, zeta potential, thickness of the double layer of electrical charges and adhesion in red blood cells.
Subject: optical tweezers
red blood cells
mechanical properties
electrical properties
Country: Inglaterra
Editor: Iop Publishing Ltd
Rights: fechado
Identifier DOI: 10.1088/2040-8978/13/4/044012
Date Issue: 2011
Appears in Collections:Artigos e Materiais de Revistas Científicas - Unicamp

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