spot test


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spot test

Lab medicine The testing of blood or urine by droppering it on a filter paper impregnated with enzymes or other substances which, in the presence of a–blood or urine constituent of interest would result in a specific color change. See Dipstick, Thin-layer chromatography.
References in periodicals archive ?
Chemical Spot Test. Spot test analysis for the qualitative tests of urinary calculi composition was performed according to kit instructions (Urinary Calculi Analysis kit, DiaSys, Diagnostic System GmbH, Holzheim, Germany).
A Rheumatoid Arthritis test is a simple blood spot test, requiring only a few drops of blood from the fingertip to provide a sample that can detect the diseases with over 99% accuracy.
Another way to avoid the lead-safe work practice requirements is to have an in-house certified renovator spot test for lead using an EPA-recognized chemical spot test kit.
A combination of on-line gas analysis, off-line spot test analysis, electronic flow control of the gas supply and optional electronic controlled gas mixing maintains uniformity in gas packaging, reduces operator-dependent fault possibilities and reduces gas cost by avoiding wasteful overflushing.
The Dansensor Sensor Module offers essential functions that include gas analysis, spot test analysis, electronic flow control of the gas supply, and electronically controlled gas mixing for 2 or 3 gases.
But half the problem could be getting them into solution, and an entire chapter is devoted to electrography, which is a little-known spot test method similar to, but not identical with, that we often use to study porosity in plated deposits.
Two methods of screening for galactosemia are available, one involving the assessment of GALT activity (Beutler enzyme spot test) (1) and the other involving the measurement of blood concentrations of galactose and galactose1-phosphate (Gal-1-P) (2).
For example, there's an HIV [AIDS-antibody] 'spot test' now that, even though it's not supposed to be used by consumers, is pretty simple to use." Still, he notes, genetic tests are "a little more complicated, because genetic disease seems to depend mostly on a combination of factors rather than any one thing.
The most popular methods include the dapsone tile test, (20-22) the dapsone:creatinine (D:C) ratio test (23-28) and the urine spot test. (4,29,23,25,26,30-37) Huikeshoven et al.