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The KOH test, also known as a potassium hydroxide preparation or KOH prep, is a quick, inexpensive fungal test to differentiate dermatophytes and Candida albicans symptoms from other skin disorders like psoriasis and eczema. [1] Dermatophytes are a type of fungus that invades the top layer of the skin
The word lye most accurately refers to sodium hydroxide (NaOH), [citation needed] but historically has been conflated to include other alkali materials, most notably potassium hydroxide (KOH). In order to distinguish between the two, sodium hydroxide may be referred to as soda lye while potassium hydroxide may be referred to as potash lye.
Microsporum audouinii is an anthropophilic fungus in the genus Microsporum. [1] It is a type of dermatophyte that colonizes keratinized tissues (primarily hair) causing infection. [ 2 ] The fungus is characterized by its spindle-shaped macroconidia (7–30 × 35–160 μm ), clavate microconidia (2.5–3.5 × 4–7 μm) as well as its pitted or ...
Because aggressive bases like KOH damage the cuticle of the hair shaft, potassium hydroxide is used to chemically assist the removal of hair from animal hides. The hides are soaked for several hours in a solution of KOH and water to prepare them for the unhairing stage of the tanning process. This same effect is also used to weaken human hair ...
Vaginal wet mount showing slings of pseudohyphae of Candida albicans surrounded by round vaginal epithelial cells, conferring a diagnosis of candidal vulvovaginitis.. A vaginal wet mount (or vaginal smear [1] or wet prep [2]) is a gynecologic test wherein a sample of vaginal discharge is observed by wet mount microscopy by placing the specimen on a glass slide and mixing with a salt solution. [1]
The thickness of asbestos diaphragms ranges from 2 to 5 mm, while Zirfon diaphragms range from 0.2 to 0.5 mm. [11] Typically, Nickel based metals are used as the electrodes for alkaline water electrolysis. [15] Considering pure metals, Ni is the least active non-noble metal. [16]
1 List of useful microorganisms used in preparation of food and beverage. 2 See also. ... [7] Candida tropicalis: fungus: chocolate [1] Candida utilis: fungus: cheese [4]
5 c 6 h 5 ch 3 + 6 kmno 4 + 9 h 2 so 4 → 5 c 6 h 5 cooh + 14 h 2 o + 3 k 2 so 4 + 6 mnso 4 Glycols and polyols are highly reactive toward KMnO 4 . For example, addition of potassium permanganate to an aqueous solution of sugar and sodium hydroxide produces the chemical chameleon reaction, which involves dramatic color changes associated with ...