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Article
Open AccessPreoperative respiratory muscle training combined with aerobic exercise improves respiratory vital capacity and daily life activity following surgical treatment for myasthenia gravis
The effects of preoperative respiratory muscle training (RMT) on postoperative complications in patients surgically treated for myasthenia gravis (MG) remain unclear. The present study therefore evaluated the ...
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Article
Biotransformation of artemisinin by Aspergillus niger
Biotransformation of artemisinin (1) by Aspergillus niger was investigated. During 12 days at 28 °C and pH 6.0, A. niger transformed artemisinin into four products. They were identified as 3β-hydroxy-4,12-epoxy-1...
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Article
Open AccessHe-Ar isotope geochemistry of the Yaoling-Meiziwo tungsten deposit, North Guangdong Province: Constraints on Yanshanian crust-mantle interaction and metallogenesis in SE China
Isotopic abundances and ratios of He and Ar found in inclusion fluids in pyrites formed in the Yaoling-Meiziwo tungsten mineralization epoch show that the concentration of 4He varies widely, from 1.54×10−7 cm3 ST...