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Type: Artigo de periódico
Title: Simultaneous monitoring of protein and (NH4)(2)SO4 concentrations in aprotinin hanging-drop crystallization using Raman spectroscopy
Author: Tamagawa, RE
Miranda, EA
Berglund, KA
Abstract: In the present study the use of fiber optic Raman spectroscopy for the in situ monitoring of aprotinin supersaturation in a hanging-drop crystallization is described. The crystallizing agent, (NH4)(2)SO4, is Raman active, which allows monitoring of the salt concentration in the drop during the whole hanging-drop crystallization process in addition to monitoring of the aprotinin concentration. Through the continuous measuring of protein and salt concentrations, supersaturation in the drop solution was measured in real time. Moreover, through the monitoring of protein and salt concentrations, the cocrystallization of aprotinin and (NH4)2SO4 was observed.
Country: EUA
Editor: Amer Chemical Soc
Citation: Crystal Growth & Design. Amer Chemical Soc, v. 2, n. 6, n. 511, n. 514, 2002.
Rights: fechado
Identifier DOI: 10.1021/cg025544m
Date Issue: 2002
Appears in Collections:Unicamp - Artigos e Outros Documentos

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