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Антибактеріальна ефективність полімерних композитів, легованих сріблом або мишʼяком проти кількох видів бактерій

Witold Brostow1, Marina Gahutishvili1, 2, Anthony W. Wren3, Timothy J. Keenan3, Chokchai Yatongchai3, Nathalie Hnatchuk1, Vijay Singh4
Affiliation: 
1 Laboratory of Advanced Polymers & Optimized Materials (LAPOM), Department of Materials Science and Engineering and Department of Physics, University of North Texas, 3940 North Elm Street, Denton, TX 76207, USA 2 Department of Chemistry, Ivane Javakhishvili University, 3 Ilya Chavchavadze Ave., 0179 Tbilisi, Georgia 3 Inamori School of Engineering, Alfred University, Alfred, NY, USA 4 Department of Biological Sciences, University of North Texas, Denton. TX, USA. wkbrostow@gmail.com
DOI: 
https://doi.org/10.23939/chcht16.01.042
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Keywords:

Abstract: 
Досліджено структуру та ряд властивостей полімерних композитів, легованих AgNO3 та As2O3, зокрема їхню антибактеріальну активність щодо E. coli, S. aureus, C. albicans та S. epidermidis. Нові полімерні композити, леговані сріблом або миш’яком, охарактеризовані за допомогою дифракції рентгенівських променів (XRD), скануючої електронної мікроскопії в поєднанні з енергодисперсійною рентгенівською спектроскопією (SEM/EDS) та дослідженнями вивільнення йонів. Проведено антибактеріальну оцінку кожного з композиційних зразків з використанням S. aureus у рідкій бульйонній культурі з додаванням до бактеріальної культури 10, 20 та 30 % рідкого екстракту. Контрольні зразки S. aureus використовували для порівняння і реєстрували при 100 % в кожен період часу. Встановлено, що для зразків із пластифікатором PLA життєздатність бактерій значно знижується для кожної композиції, що містить Ag/As, і є подібною до кожної дози концентрації.
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