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A blacklight, also called a UV-A light, Wood's lamp, or ultraviolet light, is a lamp that emits long-wave ultraviolet light and very little visible light. [ 1 ] [ 2 ] [ 3 ] One type of lamp has a violet filter material, either on the bulb or in a separate glass filter in the lamp housing, which blocks most visible light and allows through UV ...
Tinea versicolor fluorescence under Wood's lamp. Tinea versicolor may be diagnosed by a potassium hydroxide (KOH) preparation and lesions may fluoresce copper-orange when exposed to Wood's lamp (UV-A light). [15] The differential diagnosis for tinea versicolor infection includes: [citation needed] Progressive macular hypomelanosis; Pityriasis alba
Some human remains at Buchenwald, [1] including a lampshade made of human skin. [2]There are two notable reported instances of lampshades made from human skin.After World War II it was claimed that Nazis had made at least one lampshade from murdered concentration camp inmates: a human skin lampshade was displayed by Buchenwald concentration camp commandant Karl-Otto Koch and his wife Ilse Koch ...
Wood's glass was invented by Robert Williams Wood in 1903. [108] 1903 Wood's lamp. A Wood's lamp is a diagnostic tool used in dermatology which shines ultraviolet light onto the skin of the patient; a technician then observes any subsequent fluorescence.
used in photochemical analysis and quantitative estimation of substances such as blood sugar, creatinine, and hemoglobin. Burette: used to measure the amount of acid or alkali used in titration: General laboratory stands, racks, filter paper, reagents, etc. Induction coils: as a source of high voltage electricity Cathode ray oscilloscope ...
It is a tool similar to a camera to allow for inspection of skin lesions unobstructed by skin surface reflections. The dermatoscope consists of a magnifier, a light source (polarized or non-polarized), a transparent plate and sometimes a liquid medium between the instrument and the skin. The dermatoscope is often handheld, although there are ...
Erythrasma is a superficial skin infection that causes brown, scaly skin patches. It is caused by Corynebacterium minutissimum bacteria, a normal part of skin flora (the microorganisms that are normally present on the skin). There are two types of erythrasma: generalized and interdigital. Interdigital is the most common bacterial infection of ...
Robert Williams Wood (May 2, 1868 – August 11, 1955) was an American physicist and inventor who made pivotal contributions to the field of optics. He pioneered infrared and ultraviolet photography .
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