Abstract
IT has been shown1–3 that a species of Cephalosporium produces an antibacterial substance, cephalosporin N, which is a new type of penicillin characterized by its insolubility in most organic solvents and by a similar order of activity against Gram-positive and Gram-negative bacteria4.
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References
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Goodall, R. R., and Levi, A. A., The Analyst, 72, 277 (1947).
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HALE, C., MILLER, G. & KELLY, B. Hydrophilic Penicillins produced by Penicillium chrysogenum . Nature 172, 545–546 (1953). https://doi.org/10.1038/172545b0
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DOI: https://doi.org/10.1038/172545b0
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