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1950s - Urine test strips in the sense used today were first made on industrial scale and offered commercially. 1964 - The company Boehringer Mannheim, today Roche, launched its first Combur test strips. Even though the test strips have changed little in appearance since the 1960s, they now contain a number of innovations.
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
The postage stamp test is a test used to evaluate nocturnal erections in a workup of male impotence. [ 1 ] [ 2 ] A length of connected postage stamps connected by perforations that allow easy tearing are secured loosely around the male's flaccid penis just prior to sleeping.
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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 ...
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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.