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Photodynamic therapy (PDT) is a form of phototherapy involving light and a photosensitizing chemical substance used in conjunction with molecular oxygen to elicit cell death (phototoxicity). [ 1 ] PDT is used in treating acne , wet age-related macular degeneration , psoriasis , and herpes .
The efficacy of antimicrobial photodynamic therapy, using various distinct photosensitizers, has been studied since the 1990s. [ 9 ] [ 7 ] Most studies have yielded positive outcomes, often achieving disinfection levels, as defined by infection control guidelines, exceeding 5 log 10 (99.999%) of microbial inactivation. [ 14 ]
Photodynamic therapy (PDT) is also often used for acne treatment as well as various dermatological conditions such as psoriasis, atopic dermatitis, and vitiligo. [8] It is highly unlikely that bacteria would gain resistance to a photosensitizer or PDT treatment, as the photosensitizers can generate ROS within or outside of the target cell, both ...
Methyl aminolevulinate (MAL) is a drug used as a photosensitizer in photodynamic therapy like LEDT. The red-light MAL-LED therapy performed significant therapeutic effects on the recovery of papulopustular lesions in an in-vivo clinical trial conducted with rosacea patients. A more recent study proves the in-vitro effect of LEDT at wavelengths ...
Photomedicine is an interdisciplinary branch of medicine that involves the study and application of light with respect to health and disease. [1] [2] Photomedicine may be related to the practice of various fields of medicine including dermatology, surgery, interventional radiology, optical diagnostics, cardiology, circadian rhythm sleep disorders and oncology.
"Pet therapy can have a tremendous impact on the well-being of others," Bubolz said. Meet the trained dogs for pediatric patients. For other families with children or loved ones in the hospital ...
The photodynamic process is predominantly a noninvasive technique wherein the photosensitizers are put inside a patient so that it may accumulate on the tumor or cancer. When the photosensitizer reaches the tumor or cancer, wavelength specific light is shined on the outside of the patient's affected area.
Similar to the differentiation between "electric" and "electronics," a difference can be made between applications such as therapy and surgery, which use light mainly to transfer energy, and applications such as diagnostics, which use light to excite matter and to transfer information back to the operator. In most cases, the term biophotonics ...