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RECORD NUMBER: 455 OF 1214

OLS Field Name OLS Field Data
Main Title Evaluation of Methods for Concentrating Hepatitis A Virus from Drinking Water.
Author Sobsey, M. D. ; Oglesbee, S. E. ; Wait, D. A. ;
CORP Author North Carolina Univ. at Chapel Hill. Dept. of Environmental Sciences and Engineering.;Health Effects Research Lab., Research Triangle Park, NC.
Year Published 1985
Report Number EPA/600/J-85/405;
Stock Number PB86-208774
Additional Subjects Viruses ; Potable water ; Concentration(Composition) ; Evaluation ; Adsorption ; Reprints ; Drinking water ; Hepatitis A virus
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NTIS  PB86-208774 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. NTIS 06/21/1988
Collation 9p
Abstract Using recently developed cultivation and assay systems, currently available methods for concentrating enteric viruses from drinking water by adsorption to and subsequent elution from microporous filters followed by organic flocculation, were evaluated for their ability to recover hepatitis A virus (HAV). Cell culture-adapted HAV (strain HM-175) in seeded tap water was efficiently adsorbed by both electronegative (Filterite) and electropositive (Virosorb) 1MDS) filters at pH and ionic conditions previously used for other enteric viruses. Adsorbed HAV was efficiently eluted from these filters by beef extract eluents at pH 9.5. Eluted HAV was further concentrated efficiently by acid precipitation (organic flocculation of eluents containing beef extract made from powdered but not paste sources. Using optimum adsorption conditions for each type of filter, HAV was concentrated >100-fold from samples of seeded tap water with about 50% recovery of the initial infectious virus added to the samples. The ability to recover and quantify HAV in contaminated drinking water with currently available methods should prove useful in further studies to determine the role of drinking water in HAV transmission.
Supplementary Notes Pub. in Applied and Environmental Microbiology, v50 n6 p1457-1463 Dec 85. Sponsored by Health Effects Research Lab., Research Triangle Park, NC.
NTIS Title Notes Journal article.
Title Annotations Reprint: Evaluation of Methods for Concentrating Hepatitis A Virus from Drinking Water.
PUB Date Free Form c1985
Category Codes 6M; 68D; 57K
NTIS Prices PC A02/MF A01
Primary Description 600/11
Document Type NT
Cataloging Source NTIS/MT
Control Number 621326741
Origin NTIS
Type CAT