NACB - Scientific Shorts
NACB - Scientific Shorts (formerly NACB Blog)
By Darci Block, PhD, DABCC
It is well recognized that a majority of lab testing errors occur in the preanalytical phase prior to the blood sample being placed onto the laboratory analyzer (1).  The frequency at which such errors have been reported is summarized in the following figure, adapted from Cararro et. al. (2). Th...(Read More)
By Sutirtha Chakraborty, MD & William Winter, MD, DABCC, FACB
​Case: A member of the technical staff informed the author that he had encountered a problematic sample. The technician stated that on centrifuging the sample (that had been collected in a gel vacutainer tube), proper separation of the cells and the serum did not occur (Figure 1, left side). He was...(Read More)
By Christopher Doern Ph.D
Microbiology has traditionally been a laboratory discipline with prolonged result turn-around times because growing the organisms has always been necessary for identification.  The practice of identifying viruses has recently been revolutionized by the discovery of molecular techniques such as PCR ...(Read More)
By William E. Winter, MD and Roger L. Bertholf, PhD
On the electrophoresis service, you observe the following tracing. The urine protein concentration was 8 mg/dL (reference interval: =<10 mg/dL). What is your next action?           Answer: Look at the gel (see below, middle lane). The band-of-restricted mobility is not an M-spike but is...(Read More)
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