1945
DOI: 10.1093/infdis/77.1.16
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Studies on the Immunization of Guinea Pigs against Brucella Infection

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Cited by 5 publications
(4 citation statements)
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“…It is generally agreed that the immunizing potency of extracts referred to as "native antigen" was less altered by the treatment they had undergone (2% phenol extraction) than the endotoxin (0.25 N trichloroacetic acid extraction). Although aqueous ether extracts and phenol extracts have not been studied in a comparative protection test, evidence from this and other studies (Huddleson, 1943;Live et al, 1945;Larson, 1949) demonstrated that ether did not significantly alter immunogenicity or toxicity.…”
Section: Discussionmentioning
confidence: 72%
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“…It is generally agreed that the immunizing potency of extracts referred to as "native antigen" was less altered by the treatment they had undergone (2% phenol extraction) than the endotoxin (0.25 N trichloroacetic acid extraction). Although aqueous ether extracts and phenol extracts have not been studied in a comparative protection test, evidence from this and other studies (Huddleson, 1943;Live et al, 1945;Larson, 1949) demonstrated that ether did not significantly alter immunogenicity or toxicity.…”
Section: Discussionmentioning
confidence: 72%
“…In the first hypothesis, one would have to consider the possibility of mechanical solubilization of cell-wall antigens by the extreme shear forces to which the organisms were subjected as they passed through the orifice of the needle valve. This is conceivable, since Live et al (1945) disintegrated Brucella cells with the ultrasonic oscillator and, after high-speed centrifugation, obtained supernatant fluids which afforded significant protection against experimental infection. Also, Sulitzeanu (1958) obtained soluble antigen by ultrasonic oscillation of isolated cellwall material.…”
Section: Discussionmentioning
confidence: 99%
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“…These vaccines are all living cultures. Live, Sperling & Stubbs (220) have found that a dead vaccine produced by vibrating cultures of Brucella at 9000 cycles/sec, centrifuging, and extracting the supernatant liquid with ether (sonic vaccine) will protect guinea-pigs against infection with virulent Br. abortus.…”
Section: Vaccinationmentioning
confidence: 99%