have been in use for such a long time that we tend to take the results for granted, forgetting that appropriate QC measures must always be in place.
Opponents of dipstick
screening for microscopy and culture argue that abnormalities will be missed and that patient care may suffer.
Perceived as a cottage industry in 1997, Dipsticks
is now a major contender in the industry.
Leukocyte esterase (LE, an enzyme produced by neutrophils) and nitrite (NT, the end product of bacterial nitrate reductase acting on nitrate in the urine), two important parameters of dipstick
urinalysis, have been frequently used to diagnose UTI.
To overcome these problems, many alternative screening methods have been evaluated, including urine microscopy, chemical analysis using a dipstick
method, Gram staining, dipslide urine culture and bioluminescence.
Note: Due to unknown quantities of residual oil draining back from engine components and cavities, re-marking of the dipstick
may not always be necessary.
SOURCING DATA Fiona Raglan, managing director of Dipsticks
Eyal Ben-Dor, his soil dipstick
will help scientists, urban planners and farmers understand the changing health of the soil, as well as its agricultural potential and other associated concerns.
Crackdown: PC McGivern tests Frazer's Irn-Brn; All-clear: Dipstick
Sgt Steve Thirsk said: "We hope the dipsticks
will allow us to seize alcohol from youngsters however it is disguised.
A preeclamptic woman on bed rest will mobilize fluid and increase urine output, potentially diluting urine enough that the protein concentration falls below the minimum level of 20 mg/dL read by dipsticks
, he said at the conference sponsored by Boston University.
Research is a national company with a workforce of 155 predominantly made-up of under-25s.