The recent advances in the study of the other bacteria with application to the dissociation phenomenon, have been applied in the study of acid-fast organisms. For some time, we have realized that the term "dissociation" as employed at present, is not adequate to explain the instability and subsequent variation which occur in cultures. But for uniformity of bacteriological nomenclature, we have ...

A sampling of our recent applications of single molecule fluorescent studies to biological molecules and molecular systems is reviewed. This work represents the combined efforts of over a dozen collaborators whose contributions are cited throughout the paper.

The catalytic conversion of streptomycin to a dihydro compound was recently described and some of the biological characteristics of the latter were noted (Peck et al., 1946; Fried and Wintersteiner, 1947; Bartz et al., 1946). Peck and his coworkers (1946) reported that dihydrostreptomycin showed in vitro activity against Bacillus subtilis, and Bartz et al. (1946) also reported activity against ...

ameloblastomas are regarded as a homogeneous group of neoplasms with locally invasive character. they generally do not show induction of dental hard tissue formation except in few cases. biological behavior and histogenesis of these tumors is still unexplored as there is lack of relevant studies and long follow-up of these patients. so, we aimed to report this rare case of dentinoameloblastoma ...