Copyright (C) 2012 S. Karger AG, Basel”
“Avulsion fractures of the fifth metatarsal base (MTB5) are common fore
foot injuries. Based on a radiomorphometric analysis reflecting the risk for a secondary displacement, a new classification was developed.
A cohort of 95 healthy, sportive, and young patients (age a parts per thousand currency signaEuro parts per thousand 50 years) with avulsion fractures of the MTB5 was included in the study and divided into groups with non-displaced, primary-displaced, and secondary-displaced fractures. Radiomorphometric data obtained using standard oblique and dorso-plantar views were analyzed in association with secondary displacement. Based on this, a classification was developed and checked check details for reproducibility.
Fractures with a longer distance between the lateral edge of the styloid process and the lateral fracture step-off and fractures with a more medial joint entry of the fracture Linsitinib concentration line at the MTB5 are at higher risk to displace secondarily. Based on these findings, all fractures were divided into three types: type I with a fracture entry in the lateral third; type II in the middle third; and type III in the medial third of the MTB5. Additionally, the three types were subdivided into an A-type
with a fracture displacement < 2 mm and a B-type with a fracture displacement a parts per thousand yenaEuro parts per thousand 2 mm. A substantial level of interobserver agreement was found in the assignment of all
95 fractures to the six fracture types (kappa = 0.72). The secondary displacement of fractures was confirmed by all examiners in 100 %.
Radiomorphometric data may identify fractures PFTα mouse at risk for secondary displacement of the MTB5. Based on this, a reliable classification was developed.”
“The review summarizes methods for the synthesis of 1,3-oxazolidin-2-ones, 1,3-oxazolidines, and dihydro-1,3-oxazoles from epoxides and aziridines. Possible applications of N,O-containing heterocycles in medicinal and organic chemistry as biologically active substances and intermediate products for their preparation are considered.”
“Paulownia wood flour (PWF), a byproduct of milling lumber, was tested as bio-filler with polylactic acid (PLA). Paulownia wood (PW) shavings were milled and separated into particle fractions and then blended with PLA with a single screw extruder. Mechanical and thermal properties were tested. Differential scanning calorimetry showed that PLA-PW blends containing smaller particle sizes had lower glass transition and melting temperatures compared to blends containing larger particle sizes. Biocomposites composed of smaller particles exhibited tensile strength values similar to neat PLA but had Young’s modulus values that were 25% higher than neat PLA.