title: The use of density gradient centrifugation for the separation of germinated from nongerminated spores.
mesh_terms: D001412:Bacillus subtilis / Q000166:cytology / Q000254:growth & development / Q000302:isolation & purification*; D002499:Centrifugation, Density Gradient; D003973:Diatrizoate; D008858:Microscopy, Phase-Contrast; D013053:Spectrophotometry; D013170:Spores / Q000302:isolation & purification*; D013171:Spores, Bacterial / Q000166:cytology / Q000254:growth & development / Q000302:isolation & purification; D013395:Sucrose
chemical_list: D003973:Diatrizoate; D013395:Sucrose