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KMID : 0364819880260030237
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Korean Journal of Microbiology
1988 Volume.26 No. 3 p.237 ~ p.246
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Physicochemical factors affecting the adsorption of E. coli in estuarine sediments.
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Abstract
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1
The higher bacterial sabers on day than on sand were caned by different eavironmental factors. Such factors affecting the adsorption of E. coil ATCC 11775 in the sedimaeot as follows; optimal pH range for the adsorption of E. cog ATCC 11775 was pH 7.5-pH 9.5. E. colt ATCC 11775 were shown mnd-a L the saMalty of 1$.75%? on sand type sedia ent and 12.5%? on day type sediarat. Bacteria attached better to day typed sediment than to sand typed sediment when organic swbstaace was elimitaled. Bed extract of 0.5%-1% concentration was fond to promote the atteebment of E. cog ATCC 11775 effectively. Peptone of 0.3% was enhanced the attachment on the day, and peptone of 0.3%-5%, on the sand. E coil ATCC 11775 was found to adsorb onto benthoaite with the highest efficiency and on celite with the lowest efficiency. Efficiency of adsorption by inorganic ion was shown due to higher values of low. Adsorption was achieved in the order of AN+, Cat+, Na+.
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