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Oxygen-vacancy-mediated Catalysis Boosts Direct Methanation of Biomass

Chinese Academy of Sciences Biomethane (CH Currently, CH 4 is mainly produced via a multi-step process in which biomass is first gasified into biogas, followed by the methanation of the latter. This method requires high temperature and pressure and shows low selectivity for chemical or biological processes. Recently, a research group led by Prof. WANG Feng from the Dalian Institute of Chemical Physics of the Chinese Academy of Sciences, in collaboration with Prof. WANG Min’s group from Dalian University of Technology, proposed interfacial oxygen-vacancy (Vo)-mediated catalysis over Ru/TiO 2 for the direct methanation of lignocellulosic biomass at temperatures below 200°C and with a selectivity above 95%.

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Price: Scientists atSt. JudeChildren’s Research Hospital are working with colleagues in China to develop better therapy for childhood acute lymphoblastic leukemia (ALL). Results from a large phase 3 noninferiority clinical trial definitively showed that vincristine and dexamethasone pulses can be eliminated in patients with low-risk disease. The findings were published today in The Lancet Oncology. Adding the chemotherapy vincristine plus a steroid (originally prednisone, and later dexamethasone) as pulse therapy for childhood ALL has been part of standard care since the 1970s. This is despite their being associated with neuropsychological side effects, neuropathy and other late effects. However, to date studies about the need for prolonged treatment with pulse therapy have been inconclusive.

International collaboration helps refine treatment for childhood leukemia

International collaboration helps refine treatment for childhood leukemia
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