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. 1969 Mar;17(3):462–466. doi: 10.1128/am.17.3.462-466.1969

Disintegration of Microorganisms and Preparation of Yeast Cell Walls in a New Type of Disintegrator

J Ŕeháćek 1,2, K Beran 1,2, V Bićík 1,2
PMCID: PMC377713  PMID: 5780401

Abstract

Microbial cells were disintegrated in a new type of rotary disintegrator with a disc stirrer by a combination of shear force layers, collisions, and rolling of glass beads which were brought into motion by the stirrer. The rate of disintegration at a given dry bed volume of Ballotini beads and a given volume of cell suspension is proportional to the peripheral velocity of the stirrer up to 18 m/sec. Horizontal arrangement of the stirrer increases the effectiveness about five times; 100% disintegration of yeast cells was achieved under optimal conditions within 72 sec at a concentration of 3.5g (dry weight)/100 ml of suspension, and within 96 sec at a concentration of 10.5g (dry weight)/100ml. At 17.5 g (dry weight)/100 ml, the stirrer began to slip. The cell walls of yeast were obtained at the desired degree of crushing and the course of purification was determined by infrared spectral analysis.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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