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木质素磺酸钠复合气凝胶滤嘴对卷烟气的净化性能
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作者 马贝贝 张玲 +2 位作者 尹成斌 吴科阳 王远 《高分子材料科学与工程》 EI CAS CSCD 北大核心 2024年第2期151-156,共6页
为探索替代传统醋酸纤维滤嘴的生物质材料和进一步净化卷烟气的有害成分,降低抽烟对人体健康的伤害,文中以木质素磺酸钠、k型卡拉胶为原料,采用溶胶-凝胶法和冷冻干燥法制备出不同配比的复合气凝胶,采用扫描电镜(SEM)、X射线衍射(XRD)... 为探索替代传统醋酸纤维滤嘴的生物质材料和进一步净化卷烟气的有害成分,降低抽烟对人体健康的伤害,文中以木质素磺酸钠、k型卡拉胶为原料,采用溶胶-凝胶法和冷冻干燥法制备出不同配比的复合气凝胶,采用扫描电镜(SEM)、X射线衍射(XRD)、红外光谱(FT-IR)和热重分析(TG)等方法分别对所制备复合气凝胶的表面形貌、官能团结构、热稳定性等进行分析。同时制作醋酸纤维+复合气凝胶滤嘴,通过转盘吸烟机测试其对卷烟气有害气体的净化性能。SEM结果表明,表面形貌显示复合气凝胶具有丰富的微孔孔隙结构和粗糙表面的层状结构;FT-IR和XRD分析表明,卡拉胶的加入并没有改变木质素磺酸钠本身的官能团,卡拉胶与木质素磺酸钠通过物理作用相结合。烟气测试和TG分析结果说明,卷烟气有害成分净化性能随着木质素磺酸钠含量增加而变优,且其热分解温度高于卷烟气进入滤嘴中部时的温度,其在吸烟过程中不会发生热分解,故其为一种理想的卷烟滤嘴潜在材料。 展开更多
关键词 木质素磺酸钠 复合气凝胶 卷烟气 滤嘴 净化性能
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Clinical antitumor application and pharmacological mechanisms of Dahuang Zhechong Pill 被引量:3
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作者 Yingying Tian beibei ma +7 位作者 Shangyue Yu Yilin Li Hailuan Pei Shiqiu Tian Xinyue Zhao Chuang Liu Zeping Zuo Zhibin Wang 《Chinese Herbal Medicines》 CAS 2023年第2期169-180,共12页
Cancer still has elevated morbidity and mortality,which undoubtedly impacts the life quality of affected individuals.Remarkable advances have been made in cancer therapy,although the toxicities of traditional therapie... Cancer still has elevated morbidity and mortality,which undoubtedly impacts the life quality of affected individuals.Remarkable advances have been made in cancer therapy,although the toxicities of traditional therapies remain an obvious challenge.Dahuang Zhechong Pill(DHZCP),developed by Zhongjing Zhang in the Synopsis of the Golden Chamber,represents an effective anticancer traditional Chinese medicine(TCM).In this review,it was found that DHZCP is therapeutically utilized in liver,lung,gastric,pancreatic and other cancers in clinic.Pharmacological evidence showed that its anti-tumor mechanisms mainly involve induced cell cycle arrest,apoptosis and autophagy,as well as suppressed tumor cell proliferation,obstructed angiogenesis and metastasis,enhanced immunity,and reversal of multidrug resistance.The present review provides a solid basis for the clinical application of DHZCP and may promote the wide use of TCM in clinical antitumor application. 展开更多
关键词 anti-tumor effect Dahuang Zhechong Pill pharmacological mechanism traditional Chinese medicine
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