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A novel series of milbemycin antibiotics from Streptomyces strain E225. I. Discovery, fermentation and anthelmintic activity.
A novel series of milbemycin antibiotics were produced by soil isolate, strain E225 which was shown to be a Streptomyces species. The antibiotics displayed anthelmintic activity againstExpand
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Canterbury ring laser and tests for nonreciprocal phenomena
An historic and simple experiment has been revitalised through the availability of supercavity mirrors and also through a heightened interest in interferometry as a test of physical theory. WeExpand
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A novel series of milbemycin antibiotics from Streptomyces strain E225. II. Isolation, characterization, structure elucidation and solution conformations.
A novel series of milbemycin antibiotics were isolated from the fermentation broth of a Streptomyces species designated E225. The structures of the four main metabolites VM 44857 (1), VM 44864 (2),Expand
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Ring laser for precision measurement of nonreciprocal phenomena
A 0.75 m/sup 2/, square-ring laser operating at the helium-neon wavelength 633 nm (474 THz) was constructed. High-quality mirrors and the absence of media, except for the He-Ne gas mixture in theExpand
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Some characteristics of Mycoplasma virus Hr1, isolated from and infectingMycoplasma hyorhinis
SummaryMycoplasma virus Hr1 is a short tailed bacteriophage with a polyhedral head about 34 nm across and a tail about 14 nm long. It produces plaques on some strains ofMycoplasma hyorhinis.
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Some characteristics of mycoplasma virus Hr 1, isolated from and infecting Mycoplasma hyorhinis. Brief report.
Mycoplasma virus Hr 1 is a short tailed bacteriophage with a polyhedral head about 34 nm across and a tail about 14 nm long. It produces plaques on some strains of Mycoplasma hyorhinis.
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