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Spectroscopic and thermal characterization of alternative model biomembranes from shed skins of Bothrops jararaca and Spilotis pullatus / Caracterização espectroscópica e térmica de biomembranas modelo alternativo de peles galpão de Bothrops jararaca e Spilotis pullatus
Baby, André Rolim; Lacerda, Áurea Cristina Lemos; Sarruf, Fernanda Daud; Pinto, Claudinéia Aparecida Sales de Oliveira; Consiglieri, Vladi Olga; Serra, Cristina Helena dos Reis; Velasco, Maria Valéria Robles; Kawano, Yoshio; Kaneko, Telma Mary.
  • Baby, André Rolim; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. São Paulo. BR
  • Lacerda, Áurea Cristina Lemos; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. São Paulo. BR
  • Sarruf, Fernanda Daud; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. São Paulo. BR
  • Pinto, Claudinéia Aparecida Sales de Oliveira; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. São Paulo. BR
  • Consiglieri, Vladi Olga; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. São Paulo. BR
  • Serra, Cristina Helena dos Reis; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. São Paulo. BR
  • Velasco, Maria Valéria Robles; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. São Paulo. BR
  • Kawano, Yoshio; University of São Paulo. Institute of Chemistry. Department of Fundamental Chemistry. São Paulo. BR
  • Kaneko, Telma Mary; University of São Paulo. Faculty of Pharmaceutical Sciences. Department of Pharmacy. São Paulo. BR
Braz. j. pharm. sci ; 45(3): 423-428, July-Sept. 2009. ilus, graf
Article in English | LILACS | ID: lil-533168
ABSTRACT
Recently, there has been an interest in the use of shed snake skin as alternative model biomembrane for human stratum corneum. This research work presented as objective the qualitative characterization of alternative model biomembranes from Bothrops jararaca and Spilotis pullatus by FT-Raman, PAS-FTIR and DSC. The employed biophysical techniques permitted the characterization of the biomembranes from shed snake skin of B. jararaca and S. pullatus by the identification of vibrational frequencies and endothermic transitions that are similar to those of the human stratum corneum.
RESUMO
Existe atualmente interesse no uso da muda de pele de cobra como modelos alternativos de biomembranas da pele humana. O presente trabalho apresentou como objetivo a caracterização qualitativa de modelos alternativos de biomembranas provenientes de mudas de pele de cobra da Bothrops jararaca e Spilotis pullatus por espectroscopia Raman (FT-Raman), espectroscopia fotoacústica no infravermelho (PAS-FTIR) e calorimetria exploratória diferencial (DSC). As técnicas biofísicas FT-Raman, PAS-FTIR e DSC permitiram caracterizar qualitativamente os modelos alternativos de biomembranas provenientes das mudas de pele de cobra da B. jararaca e S. pullatus e identificar freqüências vibracionais e transições endotérmicas similares ao estrato córneo humano.
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Full text: Available Index: LILACS (Americas) Main subject: Skin Physiological Phenomena / Spectrum Analysis, Raman / Bothrops / Membranes Type of study: Evaluation studies / Qualitative research Limits: Animals Language: English Journal: Braz. j. pharm. sci Year: 2009 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Skin Physiological Phenomena / Spectrum Analysis, Raman / Bothrops / Membranes Type of study: Evaluation studies / Qualitative research Limits: Animals Language: English Journal: Braz. j. pharm. sci Year: 2009 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR