INTERACTION BETWEEN METHEMOGLOBIN AND SOME BIOGLASS SYSTEMS STUDIED BY EPR SPECTROSCOPY

Autor(en): Gruian, C.
Steinhoff, H. -J.
Simon, S.
Stichwörter: ADSORPTION; bioactive glasses; EPR spectroscopy; HIGH-FIELD EPR; LYSOZYME; Materials Science; Materials Science, Multidisciplinary; MOTION; Nanoscience & Nanotechnology; ORIENTATION; protein adsorption; PROTEINS; Science & Technology - Other Topics; side-directed spin labeling; SPECTRA; SPIN LABELS; SURFACE FUNCTIONALIZATION
Erscheinungsdatum: 2011
Herausgeber: INST MATERIALS PHYSICS
Journal: DIGEST JOURNAL OF NANOMATERIALS AND BIOSTRUCTURES
Volumen: 6
Ausgabe: 2
Startseite: 373
Seitenende: 383
Zusammenfassung: 
In this work were analyzed continuous wave X-band EPR spectra of methemoglobin spin labeled in position beta-93, before and after interaction with bioactive glasses. The aim of this study is to use EPR SDSL for study the binding of methemoglobin on bioactive glass surfaces. EPR spectra recorded in solution can be compared directly to those obtained after adsorption to extract structural information. A consistent analysis of EPR spectra revealed that the adsorption of methemoglobin is influenced by the chemical composition of the bioactive glass. A fitting of the different spectral components was carried out, addressing the possible origin of those components.
ISSN: 18423582

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