Liquidambarines A − C, three new abietane diterpenoids from <i>Liquidambar formosana</i> Hance and their anti-inflammatory activities

Liquidambarines A − C (1−3), three new abietane-type diterpenoids, together with five known compounds (4−8) were isolated from the resin of Liquidambar formosana Hance. Their structures were elucidated by the combination of spectroscopic and computational methods. We explored their anti-inflammatory potential by analyzing the protein expression of iNOS and COX-2. Compounds 1 and 3 exhibit significant anti-inflammatory activities without cytotoxicity. These experimental studies suggest these new abietane-type diterpenoids have the potential to be candidates for inflammation-associated diseases.</p

MOESM1 of Isorhynchophylline alleviates learning and memory impairments induced by aluminum chloride in mice

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Graphene Sandwiched by Sulfur-Confined Mesoporous Carbon Nanosheets: A Kinetically Stable Cathode for Li–S Batteries

The practical use of lithium–sulfur batteries for the next-generation energy storage, especially the automobiles, was hindered by low electronic conductivity of sulfur and the resulting poor rate capabilities. Here, we report a sulfur–carbon composite by confining S into a graphene sandwiched in mesoporous carbon nanosheets with a two-dimensional ultrathin morphology, suitable mesopore size and large pore volume, and excellent electronic conductivity. Serving as cathode material for a Li–S battery, the elaborately designed S/C composite leads to “kinetically stable” transmissions of Li ions and electrons, triggering a stable electrochemistry and a record-breaking rate performance. In this way, the S/C composite has been proved a promising cathode material for high-rate Li–S batteries targeted at automobile storage