Effect of ethanol variation on the internal environment of sol–gel bulk and thin films with aging

Sol–gel derived bulk and thin films were prepared from different compositions at low pH (∼2.0) containing varying concentrations of ethanol from 15 to 60% at constant water (H 2O)/tetraethyl-orthosilicate (TEOS) ratio ( R = 4). The fluorescence microscopic and spectroscopic measurements on fluoresce...

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Veröffentlicht in:	Biosensors & bioelectronics 2005-10, Vol.21 (4), p.549-556
Hauptverfasser:	Gupta, R., Mozumdar, S., Chaudhury, N.K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Biocompatible Materials - analysis Biocompatible Materials - chemistry Biological and medical sciences Biosensors Biotechnology Drug Stability Ethanol - analysis Ethanol - chemistry Fluorescence spectroscopy Fundamental and applied biological sciences. Psychology Hoechst 33258 Materials Testing Membranes, Artificial Methods. Procedures. Technologies Optical biosensors Phase Transition Silanes - analysis Silanes - chemistry Sol–gel Spectrometry, Fluorescence Temperature Tetraethyl-orthosilicate Various methods and equipments Water - analysis Water - chemistry
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