Electrospun and woven silk fibroin/poly(lactic-co-glycolic acid) nerve guidance conduits for repairing peripheral nerve injury.

We have designed a novel nerve guidance conduit (NGC) made from silk fibroin and poly(lactic-co-glycolic acid) through electrospinning and weaving (ESP-NGCs). Several physical and biological properties of the ESP-NGCs were assessed in order to evaluate their biocompatibility. The physical properties, including thickness, tensile stiffness, infrared spectroscopy, porosity, and water absorption were determined in vitro.

[Studies on the chemical constituents of MEICHA (II)].

Objective: To study the chemical constituents of MEICHA.

Methods: Chromatography and spectroscopic analysis were employed to isolate and elucidate the chemical constituents in the plant.

Results: Seven compounds were obtained and identified as beta3-sitosterol (I), oleanolic acid (II), quercetin (III), Taxifolin (IV), Catechin (V), Querceetin-3-O-alpha-L-rhamnoside (VI) and Gallic acid (VII).

Anti-inflammatory effects of ethanol extract from Kummerowia striata (Thunb.) Schindl on lps-stimulated RAW 264.7 cell.

Kummerowia striata (Thunb.) Schindl has long been used as a fork herb in inflammation-related therapy. This study was undertaken to determine the anti-inflammatory effect of the plant.