(Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2009; 108: 465-470)”
“PVDF cast films were drawn at different temperatures to different draw ratios at constant draw rate to understand the mechanism of alpha to beta
phase transformation during mechanical deformation. WAXD and FTIR studies were carried out to determine the formation and content of beta phase in the drawn films. Lower stretch temperatures gave higher fractions of beta phase. The cast PVDF films were also drawn at suitable temperatures below the PVDF ambient melting point to the draw ratio of 6.4. The highest fraction of beta phase obtained in these ultra drawn films was 0.98. SALS studies carried out for films at different stretch ratios show the change in spherulitic structure with the stretching parameters and give information selleck chemical for the understanding of phase transformation during stretching of PVDF films. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 117: 3491-3497, 2010″
“We present the case of a 4-year-old child who required two epidural blood patches (EBPs) to treat a delayed onset postdural puncture headache (PDPH) caused by lumbar cerebrospinal fluid drain. The first EBP was unsuccessful with 0.41ml center dot kg(-1) of blood injected. A second EBP with 0.76ml center dot kg(-1) of blood was performed 2days later with the complete resolution of symptoms.
BVD-523 The volume of blood necessary for effective treatment for symptomatic cerebrospinal fluid leaks in children remains controversial, and a repeat EBP may be required for resolution of symptoms.”
“Introduction: Amniotic fluid harbors cells indicative of all three germ layers, and pluripotent fetal amniotic fluid stem cells (AFSs) are considered potentially valuable for applications in cellular therapy PP2 mw and tissue engineering.
We investigated whether it is possible to direct the cell fate of AFSs in vivo by transplantation experiments into a particular microenvironment, the mammary fat pad. This microenvironment provides the prerequisites to study stem cell function and the communication between mesenchymal and epithelial cells. On clearance of the endogenous epithelium, the ductal tree can be reconstituted by the transfer of exogenously provided mammary stem cells. Analogously, exogenously provided stem cells from other tissues can be investigated for their potential to contribute to mammary gland regeneration.
Methods: We derived pluripotent murine AFSs, measured the expression of stem cell markers, and confirmed their in vitro differentiation potential. AFSs were transplanted into cleared and non cleared fat pads of immunocompromised mice to evaluate their ability to assume particular cell fates under the instructive conditions of the fat-pad microenvironment and the hormonal stimulation during pregnancy.