What question did this study set out to answer?

To develop a mild and selective monophasic solvent extraction procedure for isolating R-form bacterial lipopolysaccharides.

June 1, 1969European Journal of Biochemistry

A New Method for the Extraction of R Lipopolysaccharides

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Authors

CGChris GalanosKarolinska University Hospital OLO. LüderitzWomen & Children's Hospital of Buffalo OWOtto WestphalLinköping University

Discussion

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Implication

Laboratory study demonstrates efficient extraction of rough lipopolysaccharides in rough-form bacteria, indicating improved yields and purity for bacterial glycolipids.

Key Points

To develop a mild and selective monophasic solvent extraction procedure for isolating R-form bacterial lipopolysaccharides.
Extracted bacterial components using a monophasic mixture composed of aqueous phenol, chloroform, and petroleum ether.
Conducted the extraction procedure under mild thermal conditions at temperatures below 10 °C across R-form bacterial cultures.
Lipophilic R-form lipopolysaccharides fully dissolved in the monophasic mixture, whereas S- and T-form lipopolysaccharides, proteins, nucleic acids, and polysaccharides remained insoluble.
The extraction successfully yielded water-soluble lipopolysaccharides from all tested R-form bacteria, achieving higher recovery yields than standard phenol-water extraction.

Cite This Study

Galanos et al. (1969) studied this question.

synapsesocial.com/papers/6a6f2b4f35aa2c282ce09292 https://doi.org/10.1111/j.1432-1033.1969.tb00601.x

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June 1, 1969European Journal of Biochemistry

A New Method for the Extraction of R Lipopolysaccharides

View Full Paper

Ask AI

Bookmark

Authors

CGChris GalanosKarolinska University Hospital OLO. LüderitzWomen & Children's Hospital of Buffalo OWOtto WestphalLinköping University

Discussion

Member takes

Implication

Laboratory study demonstrates efficient extraction of rough lipopolysaccharides in rough-form bacteria, indicating improved yields and purity for bacterial glycolipids.

Key Points

To develop a mild and selective monophasic solvent extraction procedure for isolating R-form bacterial lipopolysaccharides.
Extracted bacterial components using a monophasic mixture composed of aqueous phenol, chloroform, and petroleum ether.
Conducted the extraction procedure under mild thermal conditions at temperatures below 10 °C across R-form bacterial cultures.
Lipophilic R-form lipopolysaccharides fully dissolved in the monophasic mixture, whereas S- and T-form lipopolysaccharides, proteins, nucleic acids, and polysaccharides remained insoluble.
The extraction successfully yielded water-soluble lipopolysaccharides from all tested R-form bacteria, achieving higher recovery yields than standard phenol-water extraction.

Cite This Study

Galanos et al. (1969) studied this question.

synapsesocial.com/papers/6a6f2b4f35aa2c282ce09292 https://doi.org/10.1111/j.1432-1033.1969.tb00601.x

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