Premature infants are known to have immature immune systems compared to term infants; however, the impacts of ex utero immune development are not well characterized.Our previous retrospective clinical review showed prolonged T cell lymphopenia in a subset of extremely premature infants, suggesting that they may have lasting abnormalities in their T

A carbon-supersaturated (CS-) high-speed steel Shampoo punch was prepared using low-temperature plasma carburizing for fine blanking of pure titanium plates.The bare high-speed steel punch was also prepared as a reference to describe the adhesion and abrasive galling in the fine blanking of the titanium plates, even in a single shot.The CS-punch wa