Sökning: WFRF:(Muller Fredrik)
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Local Response and ...
Local Response and Barrier Recovery in Elderly Skin Following the Application of High-Density Microarray Patches
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- Iredahl, Fredrik (författare)
- Linköpings universitet,Avdelningen för prevention, rehabilitering och nära vård,Medicinska fakulteten,Region Östergötland, Vårdcentralen Åby
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- Muller, David A. (författare)
- Univ Queensland, Australia
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- Togö, Totte (författare)
- Region Östergötland, Smärt och rehabiliteringscentrum
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- Jonasson, Hanna (författare)
- Linköpings universitet,Avdelningen för medicinsk teknik,Tekniska fakulteten
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- Baker, Ben (författare)
- Vaxxas Pty Ltd, Australia
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- Anderson, Chris (författare)
- Linköpings universitet,Avdelningen för cellbiologi,Medicinska fakulteten,Region Östergötland, Hudkliniken i Östergötland
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- Henricson, Joakim (författare)
- Linköpings universitet,Avdelningen för klinisk kemi och farmakologi,Medicinska fakulteten,Region Östergötland, Akutkliniken i Linköping
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(creator_code:org_t)
- 2022-04-10
- 2022
- Engelska.
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Ingår i: Vaccines. - : MDPI. - 2076-393X. ; 10:4
- Relaterad länk:
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https://liu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- The high-density microneedle array patch (HD-MAP) is a promising alternative vaccine delivery system device with broad application in disease, including SARS-CoV-2. Skin reactivity to HD-MAP applications has been extensively studied in young individuals, but not in the >65 years population, a risk group often requiring higher dose vaccines to produce protective immune responses. The primary aims of the present study were to characterise local inflammatory responses and barrier recovery to HD-MAPs in elderly skin. In twelve volunteers aged 69-84 years, HD-MAPs were applied to the forearm and deltoid regions. Measurements of transepidermal water loss (TEWL), dielectric permittivity and erythema were performed before and after HD-MAP application at t = 10 min, 30 min, 48 h, and 7 days. At all sites, TEWL (barrier damage), dielectric permittivity (superficial water);, and erythema measurements rapidly increased after HD-MAP application. After 7 days, the mean measures had recovered toward pre-application values. The fact that the degree and chronology of skin reactivity and recovery after HD-MAP was similar in elderly skin to that previously reported in younger adults suggests that the reactivity basis for physical immune enhancement observed in younger adults will also be achievable in the older population.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Dermatologi och venereologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Dermatology and Venereal Diseases (hsv//eng)
Nyckelord
- microneedles; vaccination; skin barrier integrity; evaporimetry; skin reactivity; polarisation spectroscopy; dielectric permittivity
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Vaccines
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