A Method of Measuring Bacterial Growth in Aquatic Environments Using Dialysis Culture

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Abstract
An inexpensive, easy-to-use method was developed for studying microbial growth and behavior in situ. Dialysis tubing suspended from a styrofoam flotation ring was filled with sterile distilled water, placed in a farm pond, and inoculated with Brevibacterium sp. The viable population within the tubing increased significantly within 96 h, indicating that nutrients in the pond water necessary for growth and multiplication of Brevibacterium sp. diffused through the dialysis membrane.

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