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Electrical antimicrobial susceptibility testing based on aptamer-functionalized capacitance sensor array for clinical isolates

 Kyo-Seok Lee  ;  Sun-Mi Lee  ;  Jeseung Oh  ;  In Ho Park  ;  Jun Ho Song  ;  Myeonggil Han  ;  Dongeun Yong  ;  Kook Jin Lim  ;  Jeon-Soo Shin  ;  Kyung-Hwa Yoo 
 SCIENTIFIC REPORTS, Vol.10(1) : 13709, 2020-08 
Journal Title
Issue Date
To prescribe effective antibiotics to patients with bacterial infections in a timely manner and to avoid the misuse of antibiotics, a rapid antimicrobial susceptibility test (AST) is essential. However, conventional AST methods require more than 16 h to provide results; thus, we developed an electrical AST (e-AST) system, which provides results within 6 h. The proposed e-AST is based on an array of 60 aptamer-functionalized capacitance sensors that are comparable to currently available AST panels and a pattern-matching algorithm. The performance of the e-AST was evaluated in comparison with that of broth microdilution as the reference test for clinical strains isolated from septic patients. A total of 4,554 tests using e-AST showed a categorical agreement of 97% with a minor error of 2.2%, major error of 0.38%, and very major error of 0.38%. We expect that the proposed e-AST could potentially aid antimicrobial stewardship efforts and lead to improved patient outcomes.
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Appears in Collections:
1. College of Medicine (의과대학) > BioMedical Science Institute (의생명과학부) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Microbiology (미생물학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Laboratory Medicine (진단검사의학교실) > 1. Journal Papers
Yonsei Authors
Park, Inho(박인호) ORCID logo https://orcid.org/0000-0003-2190-5469
Shin, Jeon Soo(신전수) ORCID logo https://orcid.org/0000-0002-8294-3234
Yong, Dong Eun(용동은) ORCID logo https://orcid.org/0000-0002-1225-8477
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