H. Jiang, M. Ochoa, J. H. Park, A. Otte, R. Pinal, B. Ziaie
{"title":"Wireless screenning of degradation kinetics in pharmaceutical gelatin films","authors":"H. Jiang, M. Ochoa, J. H. Park, A. Otte, R. Pinal, B. Ziaie","doi":"10.1109/TRANSDUCERS.2015.7181319","DOIUrl":null,"url":null,"abstract":"We have developed a wireless sensing scheme for rapid screening of gelatin film physical degradation. The technique presents a new method for delineating the initial swelling (capacitive change) and subsequent dissolution (inductive change) phases. This is accomplished by incorporating super-paramagnetic nanoparticles into a gelatin film that is immobilized on top of a planar inductor. The degradation kinetics are measured wirelessly to identify the swelling and dissolution phases with sensitivities of 2313.4 kHz per absorbance unit during the first 60 minutes and 2214.2 kHz per absorbance unit from 60 minutes to 540 minutes.","PeriodicalId":6465,"journal":{"name":"2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2015-06-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"5","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2015 Transducers - 2015 18th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/TRANSDUCERS.2015.7181319","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 5
Abstract
We have developed a wireless sensing scheme for rapid screening of gelatin film physical degradation. The technique presents a new method for delineating the initial swelling (capacitive change) and subsequent dissolution (inductive change) phases. This is accomplished by incorporating super-paramagnetic nanoparticles into a gelatin film that is immobilized on top of a planar inductor. The degradation kinetics are measured wirelessly to identify the swelling and dissolution phases with sensitivities of 2313.4 kHz per absorbance unit during the first 60 minutes and 2214.2 kHz per absorbance unit from 60 minutes to 540 minutes.
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