Results 11 to 20 of about 3,252,696 (356)

Identification of Topical Photosensitizing Agents in Humans

open access: bronzeJournal of Investigative Dermatology, 1978
A method is described for the detection of topical photosensitizers in humans. Test agents were applied to the untanned midback under an occlusive dressing for 6 hr and then exposed to broad-spectrum radiation containing UV-A and visible wavelengths from a Xenon arc source. Well-known topical photosensitizers were readily identified.
Kays H. Kaidbey, Albert M. Kligman
semanticscholar   +5 more sources

Photosensitization agents for fs laser writing in PDMS [PDF]

open access: goldScientific Reports, 2022
AbstractThis study aims at identifying compounds incorporated into Polydimethylsiloxane (PDMS) which produce large refractive index change under fs laser exposition, potentially leading to optimal writing of waveguides or photonic devices in such a soft host.
Jean-Sébastien Boisvert   +6 more
openalex   +5 more sources

Genetically Encoded Photosensitizers as Light-Triggered Antimicrobial Agents [PDF]

open access: goldInternational Journal of Molecular Sciences, 2019
Diseases caused by multi-drug resistant pathogens have become a global concern. Therefore, new approaches suitable for treating these bacteria are urgently needed. In this study, we analyzed genetically encoded photosensitizers (PS) related to the green fluorescent protein (GFP) or light-oxygen-voltage (LOV) photoreceptors for their exogenous ...
Fabienne Hilgers   +6 more
openalex   +7 more sources

Clinical effectiveness and prospects of methylene blue: A systematic review [PDF]

open access: yesPrecision and Future Medicine, 2022
Methylene blue (MB) is a well-known pharmaceutical ingredient that is thought to have a multi-targeted therapeutic effect as an anti-malarial and neuroprotective agent and has recently been identified as a treatment for coronavirus disease 2019 (COVID-19)
Assel Seitkazina   +2 more
doaj   +1 more source

Photodynamic action of protoporphyrin IX derivatives on Trichophyton rubrum [PDF]

open access: yesAnais Brasileiros de Dermatologia, 2016
: BACKGROUND: Dermatophytes are filamentous keratinophilic fungi. Trichophyton rubrum is a prevalent infectious agent in tineas and other skin diseases.
Rogério Rodrigo Ramos   +3 more
doaj   +2 more sources

Comparative in vitro study of intracanal Enterococcus faecalis reduction using photosensitizers in aPDT

open access: yesBrazilian Journal of Oral Sciences, 2021
Aim: To compare Enterococcus faecalis reduction after antimicrobial photodynamic therapy (aPDT) used with methylene blue, toluidine blue, tannin, and curcumin as photosensitizers, an adjunct to endodontic chemomechanical preparation (CMP) in root canals ...
Maria Cleide Azevedo Braz   +8 more
doaj   +1 more source

Efficacy of photodynamic therapy in the treatment of oral premalignant lesions: A systematic review

open access: yesJournal of Primary Care Dentistry and Oral Health, 2023
Photodynamic therapy (PDT) is considered a contemporary effective treatment option for oral premalignant lesions. This systematic review aims to evaluate the usefulness of PDT for the treatment of oral premalignant lesions.
Arunima Goswami   +3 more
doaj   +1 more source

Water-Soluble Quaternized Serotonin Substituted Zinc-Phthalocyanine for Photodynamic Therapy Applications

open access: yesCumhuriyet Science Journal, 2023
Poor water solubility is the main drawback of phthalocyanine (Pc)-based second generation photosensitizing agents in photodynamic therapy (PDT). To resolve this, we proposed preparation of quaternized serotonin substituted zinc phthalocyanine (q-Ser-ZnPc)
Fuat Erden, Ebru Yabaş
doaj   +1 more source

Radachlorin-Containing Microparticles for Photodynamic Therapy [PDF]

open access: yesAdvanced Pharmaceutical Bulletin, 2021
Purpose: Reducing the undesirable systemic effect of photodynamic therapy (PDT) can be achieved by incorporating a photosensitizer in microparticles (MPs).
Sergey Petrovich Krechetov   +7 more
doaj   +1 more source

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