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Journal article
Generation mechanism of hydroxyl radical species and its lifetime prediction during the plasma-initiated ultraviolet (UV) photolysis
Scientific reports, v 5(1), pp 9332-9332
20 Mar 2015
PMID: 25790968
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Through this work, we have elucidated the mechanism of hydroxyl radicals (OH
•
) generation and its life time measurements in biosolution. We observed that plasma-initiated ultraviolet (UV) photolysis were responsible for the continues generation of OH
•
species, that resulted in OH
•
to be major reactive species (RS) in the solution. The density and lifetime of OH
•
species acted inversely proportional to each other with increasing depth inside the solution. The cause of increased lifetime of OH
•
inside the solution is predicted using theoretical and semiempirical calculations. Further, to predict the mechanism of conversion of hydroxide ion (OH
−
) to OH
•
or H
2
O
2
(hydrogen peroxide) and electron, we determined the current inside the solution of different pH. Additionally, we have investigated the critical criterion for OH
•
interaction on cancer cell inducing apoptosis under effective OH
•
exposure time. These studies are innovative in the field of plasma chemistry and medicine.
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Details
- Title
- Generation mechanism of hydroxyl radical species and its lifetime prediction during the plasma-initiated ultraviolet (UV) photolysis
- Creators
- Pankaj Attri - Kwangwoon UniversityYong Hee Kim - Kwangwoon UniversityDae Hoon Park - Kwangwoon UniversityJi Hoon Park - Kwangwoon UniversityYoung J. Hong - Kwangwoon UniversityHan Sup Uhm - Kwangwoon UniversityKyoung-Nam Kim - Yonsei UniversityAlexander Fridman - Drexel UniversityEun Ha Choi - Kwangwoon University
- Publication Details
- Scientific reports, v 5(1), pp 9332-9332
- Publisher
- Nature Publishing Group
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Mechanical Engineering and Mechanics
- Web of Science ID
- WOS:000351290300001
- Scopus ID
- 2-s2.0-84925356508
- Other Identifier
- 991019168953504721
UN Sustainable Development Goals (SDGs)
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Physical