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| 1 | Relationship be- tween structure and performance of a novel cerium-niobium binary oxide catalyst for selective catalytic reduction of NO with NHa显示文摘 | Qu Ruiyang Gao Xiang Cen Kefa | 2013 | Applied Catalysis B Environmental2013,,: | 1 |
| 2 | New insights into the various decomposition and reactivity behaviors of NH4HSO4with NO on V2O5/Ti O2catalyst surfaces显示文摘 | Ye Dong Qu Ruiyang Song Hao | 2015 | Chemical Engineering Journal2015,283,: | 1 |
| 3 | The relationship of morphology and catalytic performance of CeO_(2) catalysts for reducing nitrobenzene to azoxybenzene under the base-free condition显示文摘CeO_(2) morphology was proposed to be a crucial factor for reducing nitrobenzene to azoxybenzene under the base-free condition.Herein,the structure-activity relationship of CeO_(2) catalysts was explored to improve the azoxybenzene yield.A series of CeO_(2) catalysts we re synthesized with seven morphologies to obtain different Ce^(3+) proportion and various surface areas.Notably,the catalytic performance of these samples for reducing nitrobenzene to azoxybenzene enhanced with the increasing Ce^(3+) proportio n.With the highest surface Ce^(3+) proportion,the Rod-CeO_(2) catalyst exhibited 100% conversion of nitrobenzene and 89.8% azoxybenzene selectivity in 7 h at 150℃ under 1 MPa CO.Moreover,the preliminary mechanistic analysis indicated that the inhabitation of azoxybenzene to by-product azobenzene resulted in the high selectivity of azoxybenzene. | Xueke Zhou Haitao Zhao Shaojun Liu Yang Yang Ruiyang Qu Chenghang Zhen Xiang Gao | 2021 | Chinese Chemical Letters2021,32,2: | 0 |
| 4 | Multi-locus identification of Psilocybe cubensis by high-resolution melting(HRM)显示文摘Hallucinogenic mushroom is a kind of toxic strain containing psychoactive tryptamine substances such as psilocybin,psilocin and ibotenic acid,etc.The mushrooms containing hallucinogenic components are various,widely distributed and lack of standard to define,which made a great challenge to identification.Traditional identification methods,such as morphology and toxicology analysis,showed shortcomings in old or processed samples,while the DNA-based identification of hallucinogenic mushrooms would allow to identify these samples due to the stability of DNA.In this paper,four primer sets are designed to target Psilocybe cubensis DNA for increasing resolution of present identification method,and the target markers include largest subunit of RNA polymerase II(marked as PC-R1),psilocybin-related phosphotransferase gene(marked as PC-PT),glyceraldehyde 3-phosphate dehydrogenase(marked as PC-3)and translation EF1α(marked as PC-EF).Real-time PCR with high-resolution melting(HRM)assay were used for the differentiation of the fragments amplified by these primer sets,which were tested for specificity,reproducibility,sensitivity,mixture analysis and multiplex PCR.It was shown that the melting temperatures of PC-R1,PC-PT,PC-3 and PC-EF of P.cubensis were(87.93±0.12)℃,(82.21±0.14)℃,(79.72±0.12)℃ and(80.11±0.19)℃ in our kinds of independent experiments.Significant HRM characteristic can be shown with a low concentration of 62.5pg/µL DNA sample,and P.cubensis could be detected in mixtures with Homo sapiens or Cannabis sativa.In summary,the method of HRM analysis can quickly and specifically distinguish P.cubensis from other species,which could be utilized for forensic science,medical diagnosis and drug trafficking cases. | Xiaochun Zhang Huan Yu Ziwei Wang Qi Yang Ruocheng Xia Yiling Qu Ruiyang Tao Yan Shi Ping Xiang Suhua Zhang Chengtao Li | 2022 | Forensic Sciences Research2022,7,3: | 0 |
| 5 | Enhancement of extracellular Cr(Ⅵ) reduction for anammox recovery using hydrazine: performance, pathways, and mechanism显示文摘The hexavalent chromium(Cr(Ⅵ))would frequently impose inhibition to anaerobic ammonium oxidation(anammox)process,hindering the efficiency of nitrogen removal in wastewater treatment.Hydrazine(N2H4),which is an intermediate product of anammox,participates in intracellular metabolism and extracellular Cr(Ⅵ)reduction.However,the roles of N_(2)H_(4)-induced intracellular metabolism and extracellular reduction in nitrogen removal under Cr(Ⅵ)stress remain unclear.The addition of 3.67 mg/L of N2H4 increased the anammox activity by 17%.As an intermediate,N2H4 enhanced anammox metabolism by increasing the heme c content and electron transfer system activity.As a reductant,N_(2)H_(4) accelerated the reduction of c-Cyts-mediated extracellular Cr(Ⅵ)to the less toxic Cr(Ⅲ).Extracellular Cr(Ⅲ)accounts for 74%of the total Cr in a Cr(Ⅵ)-stressed anammox consortia.These findings highlight that N_(2)H_(4)-induced extracellular Cr(Ⅵ)reduction is the dominant mechanism for the survival of anammox consortia.We also found that N_(2)H_(4) increased the production of extracellular polymeric substances to sequester excessive Cr(Ⅵ)and produced Cr(Ⅲ).Taken together,the study findings suggest a potential strategy for enhancing nitrogen removal from ammonium-rich wastewater contaminated with Cr(Ⅵ). | Caiyan Qu Lushan Li Fan Feng Kainian Jiang Xing Wu Muchuan Qin Jia Tang Xi Tang Ruiyang Xiao Di Wu Chongjian Tang | 2023 | Frontiers of Environmental Science & Engineering2023,17,9: | 0 |