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Year : 2012  |  Volume : 2  |  Issue : 2  |  Page : 119-123

Evaluation of dried blood spots collected on filter paper for serodiagnosis of human hydatidosis by enzyme-linked immunosorbent assay

Department of Parasitology, Postgraduate Institute of Medical Education and Research, Chandigarh, India

Correspondence Address:
Rakesh Sehgal
Department of Parasitology, Postgraduate Institute of Medical Education and Research, Chandigarh -160 012
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2229-5070.105177

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Background and Objectives: Serological diagnosis of hydatidosis is usually performed by detecting the circulating antibodies in serum by ELISA. The present study was carried out to standardize and evaluate procedure of the ELISA using elute from dried blood spots (DBS) on filter paper and blood stored at different temperatures and at different durations for its further application under field conditions. Materials and Methods: Dried blood spots were collected from fifty study subjects and fifty control subjects and evaluated for the detection of IgG antibodies against hydatid. Samples were stored at room temperature and 4°C and tested by ELISA at 0, 15 and 30 days. Results: The present study shows that elute of DBS on filter paper can be stored at room temperature for a maximum of 30 days without a decrease in antibody titer as compared to serum samples tested by ELISA. Conclusions: The collection of blood sample on filter paper may serve useful purpose in resource limited countries for carrying out sero-epidemiological surveys at a cost effective level.

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