Osteoarthritis(OA) is considered as a chronic disease with a long "silent" period.The diagnosis is generally based on clinical symptoms and radiographic changes
Developments of high-strength aluminum alloys have always faced a difficult problem:owing to their small size,the early-stage strengthening precipitates are dif
Direct analysis in real time mass spectrometry(DART-MS) has become an established technique for rapid mass spectral analysis of a large variety of samples [1].
Minimal gene set(MGS) is critical for the assembly of minimal artificial cell.Although a few bacterial Mgs have been reported,they only preserve the system of s