Journal
2022 52ND EUROPEAN MICROWAVE CONFERENCE (EUMC)
Volume -, Issue -, Pages 401-403Publisher
IEEE
Keywords
Hydrogel; in-vivo; phantom; refractive index; stratum corneum; terahertz; time-domain spectroscopy
Funding
- Engineering and Physical Sciences Research Council (EPSRC) [EP/V047914/1]
- European Microwave Association's (EuMA)
- Swedish Foundation for strategic research (SSF) [FID17-0040]
- Swedish Foundation for Strategic Research (SSF) [FID17-0040] Funding Source: Swedish Foundation for Strategic Research (SSF)
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The study indicates that frequency-dependent properties of polyvinyl alcohol-based hydrogel phantoms are similar to human skin, showing promising prospects for being utilized as a skin equivalent.
Human skin phantoms are essential to enable fast, label-free, and reliable testing of pharmaceutical and cosmetic products. We report the characterisation of polyvinyl alcohol-based hydrogel phantoms along with in-vivo skin measurements of three volunteers from 0.2 to 1 THz. The results indicate that frequency-dependent properties of hydrogel phantoms are similar to human skin and show promising prospects of being utilised as a skin equivalent.
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