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  2. Test strip - Wikipedia

    en.wikipedia.org/wiki/Test_strip

    A test strip is a band/piece/strip of paper or other material used for biological testing. Specifically, test strip may refer to: Food testing strips; Glucose meter test strip; Lipolysis test strip; Urine test strip; Universal indicator pH test strips; It may also refer to: Teststrip, an art gallery in Auckland, New Zealand

  3. Food testing strips - Wikipedia

    en.wikipedia.org/wiki/Food_testing_strips

    The enzyme reactant test strips react when the buffer solution breaks the bacterial wall. This breach releases enzymes, which react upon contact to the enzyme test strips. The gram-negative reactant activates when components of the gram-negative cell wall or specific enzymes are present, causing the swab itself to change color.

  4. Ferric chloride test - Wikipedia

    en.wikipedia.org/wiki/Ferric_chloride_test

    The ferric chloride test is used to determine the presence of phenols in a given sample or compound (for instance natural phenols in a plant extract). Enols , hydroxamic acids , oximes, and sulfinic acids give positive results as well. [ 1 ]

  5. How to shop for at-home Covid tests, according to ... - AOL

    www.aol.com/news/shop-home-covid-tests-according...

    On/Go One Rapid COVID-19 Self-Test Kit with Test-to-Treat App, 12 Pack, 12 Tests Total, 15-Minute Results, FDA EUA Authorized, Easy to Use at Home, Fast and Accurate On/Go COVID-19 Antigen Self ...

  6. Ferroxyl indicator solution - Wikipedia

    en.wikipedia.org/wiki/Ferroxyl_indicator_solution

    Corrosion of iron nail with coiled copper in medium with ferroxyl indicator. Ferroxyl indicator, or rust indicator, is a solution containing potassium hexacyanoferrate(III), phenolphthalein and sodium chloride.

  7. Glucose meter - Wikipedia

    en.wikipedia.org/wiki/Glucose_meter

    Coding: Since test strips may vary from batch to batch, some models require a code to be provided, either by the user or on a plug-in chip supplied with each batch of test strips, to calibrate the meter to the strips of the batch. An incorrect code can cause errors of up to 4 mmol/L (72 mg/dL), with possibly serious consequences, including risk ...

  8. Hook-and-loop fastener - Wikipedia

    en.wikipedia.org/wiki/Hook-and-loop_fastener

    [1] [3] Hook-and-loop is regarded by some like Steven Vogel [5] or Werner Nachtigall [6] as a key example of inspiration from nature or the copying of nature's mechanisms (called bionics or biomimesis). Macro photograph of velcro hooks. The big breakthrough de Mestral made was to think about hook-and-eye closures on a greatly reduced scale ...

  9. Larry Wright (street drummer) - Wikipedia

    en.wikipedia.org/wiki/Larry_Wright_(street_drummer)

    [1] [2] He is credited as the first major drummer to use five gallon plastic buckets instead of a normal drum kit. [3] He uses his foot to lift the bucket changing the sound patterns. He has appeared in commercials, Mariah Carey 's "Someday" video , Bring in 'da Noise, Bring in 'da Funk as well as the movie Green Card .

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