Study of NBT-Pluronic F-127 Gels as 1D UV Radiation Dosimeters for Measurement of Artificial Light Sources.
1D radiation measurements
Pluronic F–127
UV radiation
UV radiation dosimeters
artificial UV radiation sources
nitro blue tetrazolium chloride (NBT)
radiochromic hydrogels
Journal
Materials (Basel, Switzerland)
ISSN: 1996-1944
Titre abrégé: Materials (Basel)
Pays: Switzerland
ID NLM: 101555929
Informations de publication
Date de publication:
23 Mar 2022
23 Mar 2022
Historique:
received:
21
02
2022
revised:
18
03
2022
accepted:
21
03
2022
entrez:
12
4
2022
pubmed:
13
4
2022
medline:
13
4
2022
Statut:
epublish
Résumé
This work reports on radiochromic dosimeters for 1D UV light measurements. The dosimeter is composed of a 25% Pluronic F-127 that forms a physical gel matrix and nitro blue tetrazolium chloride (NBT) as a radiation-sensitive compound. This dosimeter was exposed to UVA, UVB and UVC radiation, and the radiochromic reactions were followed with reflectance spectrophotometry including changes in light reflectance and color coordinates in the CIELAB color system. The exposition of dosimeters to all UV radiation caused color changes from pale yellow to dark violet, and its intensity increased with increasing absorbed dose. The effects of NBT concentration and UV radiation type on the dose-response of the dosimeters were also examined. The results obtained reveal that the dosimeters are the least sensitive to irradiation with UVC and the most sensitive to irradiation with UVB (e.g., dosimeter with 2 g/dm
Identifiants
pubmed: 35407702
pii: ma15072370
doi: 10.3390/ma15072370
pmc: PMC8999834
pii:
doi:
Types de publication
Journal Article
Langues
eng
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