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Following spontaneous recovery of the Lgr5 + stromal cells, genetic modification of these anatomically restricted stromal cells, but not nonselective ablation of prostatic stromal cells, is prompt to prostate epithelial turnover and dedifferentiation that are reversed. The Lgr5 + stromal cells control tissue homeostasis in a long-distance manner by retaining anatomic structure, according to this study, and it finds that the cells near organ transitional regions likely control organ homeostasis by maintaining a balanced mechanoforce.
Source link: https://www.osti.gov/biblio/1889463
These laser-based methods are being added to the toolbox in material science, making it important to know the changes in the material that resulted from the laseru2013material interaction. Positron annihilation spectroscopy is a unique, nondestructive method to find small defects in samples that are otherwise impossible to examine by other methods. This paper shows that clusters of vacancy-like defects and small voids increase with increasing laser power as laser power increases.
Source link: https://www.osti.gov/biblio/1868312
The end of the continuous flow probe is positioned proximate a sample and between the sample and the objective lens. A gas confinement system consists of a gas inlet, a chamber, a platform, a wall surrounding the platform, a variety of vents, and a plurality of channels. Each of the plurality of vents is designed to vent a gas substantially parallel to the platform, and each of the plurality of vents is labeled in the wall, and each of the plurality of vents is designed to direct a gas substantially parallel to the platform.
Source link: https://www.osti.gov/biblio/1735027
111 -2 from a variety of dopant materials. The goal of this exploratory express LDRD is to establish a reproducible laser activated doping diagnostic for future use on the Z machine by demonstrating consistent spectral line emission with radiances greater than 10 5 W sr -1 111 -2. It would therefore be more appropriate to increase current optical spectroscopy capabilities on Z to detect radiances around 10 4 W l m -2 radiances. We also discuss the profitability of a modular beam path that can be remotely aligned and used on the Z machine.
Source link: https://www.osti.gov/biblio/1762648
Carbon isotope determination using Laser Ablation Molecular Isotopic Spectrometry is described. To gain insight into the deployment of LAMIS measurements, the formation mechanisms of C 2 and CN in laser ablation plasma are briefly discussed. A simulated spectrum of the 12 C 2 Swan device was synthesized using four constituents within 473. 5 nm; u2013476. 5 nm. Simulation included three branches of 12 C 2, branches R and R, and a branch P of 12 C 2. Since they were not immediately known before, the tail lines in R and R were experimentally measured.
Source link: https://www.osti.gov/biblio/1894984
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