Results 181 to 190 of about 523,825 (238)

Methods for substituting onsite ambient ultraviolet radiation measurements for personal exposure studies

open access: yesPhotochemistry and Photobiology, EarlyView.
Three methods for substituting on‐site ambient ultraviolet radiation measurements for personal exposure measurements were investigated. Assuming spatial persistency of measurements from high‐grade instruments delivers lowest uncertainties up to distances of 82 km.
F. Lubitz   +7 more
wiley   +1 more source

A low‐cost handheld device for monitoring cutaneous photosensitivity

open access: yesPhotochemistry and Photobiology, EarlyView.
The cutaneous photosensitivity detection (CPD) device is a handheld contact‐based measurement device using 405 nm excitation and red fluorescence detection for monitoring skin phototoxicity risk after photodynamic therapy (PDT) procedures involving systemic aminolaevulinic acid (ALA) induced protoporphyrin IX (PpIX) photosensitization.
Md Asaduzzaman Rasel   +4 more
wiley   +1 more source

Multifunctional PVC/PVA‐ZnO Nanocomposites: Bridging Dielectric Response and Antibacterial Activity for Active Packaging Applications

open access: yesJournal of Applied Polymer Science, Volume 143, Issue 46, December 10, 2026.
PVC and PVA polymer blends are studied as a function of frequency at room temperature to find the composition that gives the AC conductivity. The blend that has 75% PVC and 25% PVA is chosen as the matrix. Then 10% ZnO nanoparticles are added for food packaging. The change, in conductivity is used as a sign of activity and food freshness. ABSTRACT This
Salma Landolssi   +5 more
wiley   +1 more source

Differences in predominant collagen fiber orientation between dorsal and plantar trabecular bone tracts of adult mule deer calcanei suggest strain‐mode‐specific adaptation

open access: yesThe Anatomical Record, Volume 309, Issue 12, Page 3699-3717, December 2026.
Polarized microscopic images of the outer bone cortex (a and b) and deeper trabecular bone (c and d) of the deer calcaneus in thin cross‐sections. The brighter gray levels reflect more oblique‐to‐transverse collagen fibers in the compression/dorsal bone (a, c) and the darker gray levels reflect more longitudinal collagen in the tension/plantar bone (b,
John G. Skedros   +3 more
wiley   +1 more source

Earthquake-triggered cascading hazards under Arctic amplification. [PDF]

open access: yesProc Natl Acad Sci U S A
de Melo GWS   +11 more
europepmc   +1 more source

Microscopy insights into reef coral fluorescent proteins: Diversity, light energy transfer and biological function

open access: yesJournal of Microscopy, Volume 304, Issue 3, Page 301-344, December 2026.
Abstract Fluorescent proteins (FPs) and chromoproteins (CPs) of reef‐building corals, which generate much of their vivid colouration, occupy a distinctive position at the interface of natural photonics, symbiosis biology and fluorescence microscopy.
Anya Salih
wiley   +1 more source

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