目的:观察铋剂治疗合并幽门螺旋杆菌感染的消化道溃疡的临床效果。方法:选择患者80例,分为两组,每组40例。对照组使用雷贝拉唑、左氧氟沙星、阿莫西林,观察组在对照组基础上使用胶体果胶泌,连续服用2个疗程,比较两组胃内p H值变化情况,...目的:观察铋剂治疗合并幽门螺旋杆菌感染的消化道溃疡的临床效果。方法:选择患者80例,分为两组,每组40例。对照组使用雷贝拉唑、左氧氟沙星、阿莫西林,观察组在对照组基础上使用胶体果胶泌,连续服用2个疗程,比较两组胃内p H值变化情况,并统计两组的幽门螺旋杆菌根除率、溃疡愈合率。结果:服药后1h及治疗后1个月观察组24h p H值均高于对照组(P<0.05),观察组幽门螺旋杆菌根除率和溃疡愈合率均显著高于对照组(P<0.05)。结论:联合铋剂治疗能有效杀灭幽门螺旋杆菌、保护胃黏膜、促进溃疡愈合,从而提高幽门螺旋杆菌的根除率。展开更多
Ag3PO4has good potential for use in photocatalytic degradation of organic contaminants.However,the activity and stability of Ag3PO4is hard to sustain because of photocorrosion and the positive potential of the conduct...Ag3PO4has good potential for use in photocatalytic degradation of organic contaminants.However,the activity and stability of Ag3PO4is hard to sustain because of photocorrosion and the positive potential of the conduction band of Ag3PO4.In this study,A composite consisting of Bi2WO6nanosheets and Ag3PO4was developed to curb recombination of charge carriers and enhance the activity and stability of the catalyst.Formation of a Ag3PO4/Bi2WO6composite was confirmed using X‐ray diffraction,energy‐dispersive X‐ray spectroscopy,and X‐ray photoelectron spectroscopy.Photoluminescence spectroscopy provided convincing evidence that compositing Bi2WO6with Ag3PO4effectively reduced photocorrosion of Ag3PO4.The Ag3PO4/Bi2WO6composite gave a high photocatalytic performance in photodegradation of methylene blue.A degradation rate of0.61min?1was achieved;this is1.3and6.0times higher than those achieved using Ag3PO4(0.47min?1)and Bi2WO6(0.10min?1),respectively.Reactive species trapping experiments using the Ag3PO4/Bi2WO6composite showed that holes,?OH,and?O2?all played specific roles in the photodegradation process.The photocatalytic mechanism was investigated and a Z‐scheme was proposed as a plausible mechanism.展开更多
文摘目的:观察铋剂治疗合并幽门螺旋杆菌感染的消化道溃疡的临床效果。方法:选择患者80例,分为两组,每组40例。对照组使用雷贝拉唑、左氧氟沙星、阿莫西林,观察组在对照组基础上使用胶体果胶泌,连续服用2个疗程,比较两组胃内p H值变化情况,并统计两组的幽门螺旋杆菌根除率、溃疡愈合率。结果:服药后1h及治疗后1个月观察组24h p H值均高于对照组(P<0.05),观察组幽门螺旋杆菌根除率和溃疡愈合率均显著高于对照组(P<0.05)。结论:联合铋剂治疗能有效杀灭幽门螺旋杆菌、保护胃黏膜、促进溃疡愈合,从而提高幽门螺旋杆菌的根除率。
基金supported by the National Natural Science Foundation of China(51572103,51502106)the Foundation for Young Talents in College of Anhui Province(gxyqZD201751)~~
文摘Ag3PO4has good potential for use in photocatalytic degradation of organic contaminants.However,the activity and stability of Ag3PO4is hard to sustain because of photocorrosion and the positive potential of the conduction band of Ag3PO4.In this study,A composite consisting of Bi2WO6nanosheets and Ag3PO4was developed to curb recombination of charge carriers and enhance the activity and stability of the catalyst.Formation of a Ag3PO4/Bi2WO6composite was confirmed using X‐ray diffraction,energy‐dispersive X‐ray spectroscopy,and X‐ray photoelectron spectroscopy.Photoluminescence spectroscopy provided convincing evidence that compositing Bi2WO6with Ag3PO4effectively reduced photocorrosion of Ag3PO4.The Ag3PO4/Bi2WO6composite gave a high photocatalytic performance in photodegradation of methylene blue.A degradation rate of0.61min?1was achieved;this is1.3and6.0times higher than those achieved using Ag3PO4(0.47min?1)and Bi2WO6(0.10min?1),respectively.Reactive species trapping experiments using the Ag3PO4/Bi2WO6composite showed that holes,?OH,and?O2?all played specific roles in the photodegradation process.The photocatalytic mechanism was investigated and a Z‐scheme was proposed as a plausible mechanism.
