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Journal of Clinical Microbiology, May 1998, p. 1338-1340, Vol. 36, No. 5
Associated Regional and University
Pathologists, Inc., Salt Lake City, Utah 84108,1
and
Department of Pathology, University of Utah Medical
School, Salt Lake City, Utah 841322
Received 11 September 1997/Returned for modification 20 October
1997/Accepted 19 February 1998
Overall performance, including ease of use, total hands-on time,
incubation and processing times, sensitivity, and specificity, of each
of nine enzyme-linked immunosorbent assays (ELISAs) were compared by
using 222 individual fecal samples submitted for the detection of
Giardia lamblia. The assays evaluated were manufactured by Alexon, Inc., Cambridge Biotech Corp., Meridian, Inc., and Trend
Scientific, Inc. All assays used polyclonal antibodies except the "new and improved" Microplate (direct and diluted methods) by
Alexon, which is a monoclonal antibody assay. Seventy specimens were
positive for G. lamblia by ELISA, ova and parasite test, and/or direct fluorescent-antibody assay. One hundred fifty two were
negative by all three methods. Sensitivities and specificities ranged
from 88.6 to 100% and 99.3 to 100%, respectively. The total hands-on
time needed to run one specimen ranged from 1 min to 2 min 17 s
per specimen. All except one commercially available ELISA were found to
be rapid, sensitive, and specific for the detection of G. lamblia in fecal specimens.
0095-1137/98/$04.00+0
Copyright © 1998, American Society for Microbiology. All rights reserved.
Comparison of Nine Commercially Available Enzyme-Linked
Immunosorbent Assays for Detection of Giardia
lamblia in Fecal Specimens
*
Corresponding author. Mailing address: ARUP, Inc., 500 Chipeta Way, Salt Lake City, UT 84108. Phone: (801) 583-2787, ext. 2726. Fax: (801) 583-2712. E-mail: SMTP:Aldeenwe{at}ARUP-Lab.com.
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