Special Laboratory Services
 
The Faculty of Tropical Medicine, Mahidol University, offers the following laboratory services and reagents which are not readily available anywhere else.

 
Immunodiagnoses of various tropical infections
The following table summarizes the diseases/infections for which diagnoses are provided; the serological tests used, the specimen(s) required, the turnaround time for each test, the cost per test and the place where specimens should be sent are included in the table.
 
Disease/ Infection
Serological
test used
Specimen
required
Time required
(hours)
Cost per test
(Baht)
Place where specimen
should be sent
Gnathostomiasis
Indirect ELISA (uses purified specific antigen)
5 ml of clot blood or serum
3
300 (Thai)
Dept. Microbiology and Immunology via OPD
Western blot analysis (uses crude extract of the infective larvae)
1-2 ml of serum
1
2,000 (Foreigner)
 
Western blot analysis (crude extract of infective larvae)
3, 1day *
200 (Thai)
1,000 (Foreigner)
Dept. Helminthology (Western blot only) via OPD, Department
Paragonimiasis
Indirect ELISA
5 ml of clot blood or serum
3
300 (Thai)
Dept. Microbiology and Immunology via OPD
Western blot analysis ( partially purified adult worm antigens are used for both assays )
1-2 ml of serum
1
2,000 (Foreigner)
Western blot analysis (crude extract of adult worms)
same
3, 1 day *
200 (Thai)
1,000 (Foreigner)
Dept. Helminthology via OPD
Trichinellosis
Indirect ELISA / dot - ELISA
5 ml of clot blood or serum
3/1
300 (Thai)
Dept. Microbiology and Immunology via OPD
Western blot analysis (the antigen used is either E-S, crude or affinity purified somatic antigens of the infective larvae)
1-2 ml of serum
1
2,000 (Foreigner)
Strongyloidosis
Indirect ELISA / dot - ELISA
5 ml of clot blood or serum
3/1
300 (Thai)
Dept. Microbiology and Immunology via OPD
Western blot analysis (uses partially purified antigens from filariform larvae)
1-2 ml of serum
1
2,000 (Foreigner)
Indirect ELISA (Molecular weight cut off antigen from filariform lavae) Western blot (crude extract of filariform larvae)
same
3, 1 day *
200 (Thai)
1,000 (Foreigner)
Dept. Helminthology via OPD
Toxocariasis
Indirect ELISA (Molecular wight cut off antigens from adult worms)
same
3
200 (Thai)
Dept. Helminthology via OPD
Western blot (crude extract of adult worms)
   
1,000 (Foreigner)
 
Angiostrongyliasis
Western blot (crude extract and partially purified antigens from adult worms)
same
3
200 (Thai)
1,000 (Foreigner)
Dept. Helminthology via OPD
Cysticercosis
Western blot (cystic fluid antigen)
same
3
200 (Thai)
1,000 (Foreigner)
Dept. Helminthology via OPD
Leptospirosis
Microagglutination method and dark - field microscopy using living leptospires
5 ml of clot blood 2)1-2 ml of serum 3) Blood absorbed onto filter paper
3
60
Dept. Microbiology and Immunology via OPD or directly to Leptospirosis unit, Dept. Microbiology and Immunology
Antigen detection assay
Urine sample (10 ml)
1
100
Directly at the Dept. Microbiology and Immunology
Cholera caused by serogroup O:1
Monoclonal antibody - based dot - blot ELISA using specific monoclonal antibodies to antigen A of V. cholerae serogroup O:1 (antigen detection); diagnostic kits are also available
Rectal swab in 1%alkaline peptone solution
1-2
150
Dept. Microbiology and Immunology via OPD
Watery stool
Food sample in 2% alkaline peptone solution
Water sample in 10% alkaline peptone solution
Cholera caused by serogroup O:139
Monoclonal antibody - based dot - blot ELISA using specific monoclonal antibodies (antigen detection)
Rectal swab in 1% alkaline peptone solution
1-3
150
Dept. Microbiology and Immunology via OPD
Watery stool
 
       * Order should be made in advance
 
Last update: 2 April 2014
 
 
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