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Multiple auxotrophic strains of Bacillus subtilis 168 were tested for joint one-step reversion of two or more auxotrophic markers to the wild-type phenotype. Mu8u5u5, a strain requiring leucine, methionine, and threonine, yielded revertants that grew without added methionine or threonine and proved to have a suppressor gene. When transferred by transformation with deoxyribonucleic acid, this su...

In order to understand the relationship of supporting cells to the differentiation of neurons in culture, we have used morphometry to study myelination of dorsal root ganglion (DRG) neurons by central or peripheral supporting cells. Dissociated DRG cultures from 15-day rat embryos, free of Schwann cells and fibroblasts, were prepared, and supporting cells were added from spinal cord or DRG; mye...

A 3-axis dispensing system is utilized to control the initiating and terminating fiber positions and trajectory via the dispensing software. The polymer fiber length and orientation is defined by the spatial positioning of the dispensing system 3-axis stages. The fiber diameter is defined by the prescribed dispense time of the dispensing system valve, the feed rate (the speed at which the stage...

Background: Maintenance hemodialysis has been the commonest Renal Replacement Therapy (RRT) in Myanmar. The equity is questionable Myanmar, a developing country, as developed countries reported inequities of dialysis various aspects. Methods: A cross-sectional descriptive study was conducted selected Hemodialysis Centers (HDC) which are under care government Myanmar August 2022. Data were colle...