The SVF were platted to isolate ADSC. Before urethral injection, cells were labeled with DiI marker. The urethra wall was injected with 1 x 10(7) autologous cells or saline (sham). The urethra was harvested buy 3-MA at 2, 4, and 8 weeks to identify DiI-labeled cells.
At 2 and 4 weeks, the ADSCs create a nodule localized in the urethral sub-mucosa. At 8 weeks, the ADSCs spread and integrated with the urethra wall from the initial injection site.
This is the first study to demonstrate a successful autologous ADSCs transplantation. It confirms that ADSCs can survive and integrate within the urethral wall.”
“We
studied the angular dependence of the ferromagnetic resonance (FMR) spectra of (0001)ZnO single crystals implanted with Ni and Fe ions and compared the results to the data obtained by other experimental techniques, especially, x-ray diffraction Temsirolimus (XRD) and superconducting quantum interference device magnetometry. The FMR revealed the formation of metal nanocrystals (NCs) embedded in the ZnO lattice in an oriented way. Whereas in the case of Ni, the conclusions drawn from the FMR studies corroborated the XRD and magnetometry results with respect to the alignment of the NCs in the host lattice, in the case of the Fe NCs, the FMR clearly shows that the hard magnetization
axis (which is < 111 > in bcc Fe) is oriented perpendicular to the sample surface (parallel to the [0001]ZnO axis), at variance with the former XRD observations.
(C) 2010 American Institute of Physics. [doi:10.1063/1.3357999]“
“Objective. The objective of this study was to evaluate whether the changes in the design of the ProTaper canal instruments contribute to the shaping ability of the instrument in terms of the morphology of curved canals measured by the cross-sectional area using the Bramante method.
Study design. Ten extracted this website human mandibular molars with root canal curvatures between 25 and 41 were used. Ten mesiobuccal canals were instrumented with ProTaper and 10 mesiolingual canals were instrumented with ProTaper Universal rotary instruments. Pre- and postoperative sections were obtained from the coronal, middle, and apical portions and analyzed. Statistical analysis was performed using the Student t test (P < .05).
Results. No statistically significant difference was observed in terms of amount of dentin removed, transportation, variation of canal shape factor or change in working length, and working time (P > .05). Only one instrument fracture (F2 in the ProTaper group) and 2 instrument deformations (S1 and F3 in ProTaper and ProTaper Universal, respectively) were noted.
Conclusion. Within the limitations of this study, the modifications on ProTaper instruments were found to not create any discrepancy on the shaping abilities of instruments and the evaluated other factors.