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| 1 | Detection and identification of Vibrio parahaemolyticus by multiplex PCR and DNA-DNA hybridization on a microarray显示文摘In this paper,we developed a rapid and accurate method for the detection of Vibrio parahaemalyticus strains,using multiplex PCR and DNA—DNA hybridization.Multiplex PCR was used to simultaneously amplify three diagnostic genes(tlh,tdh and fla) that serve as molecular markers of V.parahaemolyticus.Biotinylated PCR products were hybridized to primers immobilized on a microarray,and detected by chemiluminesce with avidin—conjugated alkaline phosphatase.With this method,forty-five samples were tested.Eight known virulent strains (tlh^+/tdh^+/fla^+) and four known avirulent strains(tlh^+/tdh^-/fla^+) of the V.parahaemolyticus were successfully detected,and no non-specific hybridization and cross-hybridization reaction were found from fifteen closely-related strains(tlh^-/tdh^-/fla^+) of the Vibrio spp.In addition,all the other eighteen strains of non-Vibrio bacteria(tlh^-/tdh^-/fla^-) gave negative results.The DNA microarray successfully distinguished V. parahaemolyticus from other Vibrio spp.The results demonstrated that this was an efficient and robust method for identifying virulent strains of V.parahaemolyticus. | Rongzhi Wang Jiadong Huang Wei Zhang Guangmei Lin Junwei Lian Libin Jiang Hongcong Lin Songfa Wang Shihua Wang | 2011 | Journal of Genetics and Genomics2011，38，3： | 11 |
| 2 | Assembly of flower-like VS_(2)/N-doped porous carbon with expanded(001)plane on rGO for superior Na-ion and K-ion storage显示文摘VS2 with natural layered structure and metallic conductivity is a prospective candidate for sodium-ion batteries(SIBs)and potassium-ion batteries(PIBs).However,due to large radius of Na+and K+,the limited interlayer spacing(0.57 nm)of VS2 generally determines high ion diffusion barrier and large volume variation,resulting in unsatisfactory electrochemical performance of SIBs and PIBs.In this work,flower-like VS_(2)/N-doped carbon(VS_(2)/N-C)with expanded(001)plane is grown on reduced graphene oxide(rGO)via a solvothermal and subsequently carbonization strategy.In the VS_(2)/N-C@rGO nanohybrids,the ultrathin VS2'petals'are alternately intercalated by the N-doped porous carbon monolayers to achieve an expanded interlayer spacing(1.02 nm),which can effectively reduce ions diffusion barrier,expose abundant active sites for Na+/K+intercalation,and tolerate large volume variation.The N-C and rGO carbonous materials can significantly promote the electrical conductivity and structural stability.Benefited from the synergistic effect,the VS2/N-C@rGO electrode exhibits large reversible capacity(Na+:407 mAh·g^(-1) at 1 A·g^(-1);K^(+):334 mAh·g^(-1) at 0.2 A·g^(-1)),high rate capacity(Na+:273 mAh·g^(-1) at 8 A·g^(-1);K+:186 mAh·g^(-1) at 5 A·g^(-1)),and remarkable cycling stability(Na+:316 mAh·g^(-1) at 2 A·g^(-1) after 1,400 cycles;K^(+):216 mAh·g^(-1) at 1 A·g^(-1) after 500 cycles). | Junwei Sun Gang Lian Laiying Jing Di Wu Deliang Cui Qilong Wang Haohai Yu Huaijin Zhang Ching-Ping Wong | 2022 | Nano Research2022，15，5： | 1 |
| 3 | Lost circulation material for abnormally high temperature and pressure fractured-vuggy carbonate reservoirs in Tazhong block, Tarim Basin, NW China显示文摘To effectively solve the problem of lost circulation and well kick frequently occurring during the drilling of abnormally high temperature and pressure fractured-vuggy reservoirs in the Tazhong block, a rigid particle material, GZD, with high temperature tolerance, high rigidity(> 8 MPa) and low abrasiveness has been selected based on geological characteristics of the theft zones in the reservoirs. Through static pressure sealing experiments, its dosage when used alone and when used in combination with lignin fiber, elastic material SQD-98 and calcium carbonate were optimized, and the formula of a new type(SXM-I) of compound lost circulation material with high temperature tolerance and high strength was formed. Its performance was evaluated by compatibility test, static sealing experiment and sand bed plugging experiment. The test results show that it has good compatibility with drilling fluid used commonly and is able to plug fractures and vugs, the sealed fractures are able to withstand the static pressure of more than 9 MPa and the cumulative leakage is 13.4 mL. The mud filtrate invasion depth is only 2.5 cm in 30 min when the sand bed is made of particles with sizes between 10 mesh and 20 mesh. Overall, with good sealing property and high temperature and high pressure tolerance, the lost circulation material provides strong technical support for the safety drilling in the block. | SU Xiaoming LIAN Zhanghua Fang Junwei XIONG Hanqiao WU Ruoning YUAN Yuan | 2019 | Petroleum Exploration and Development2019，46，1： | 1 |
| 4 | MoS2-intercalated carbon hetero-layers bonded on graphene as electrode materials for enhanced sodium/potassium ion storage显示文摘MoS2 is considered as an ideal electrode material in the field of energy storage due to high theoretical specific capacity and unique layered structure.However,limited interlayer distance and poor intrinsic electrical conductivity restrict its potential realworld application.Herein,an alternately intercalated structure of MoS2 monolayer and N-doped porous carbon(NC)layer is grown on reduced graphene oxide(rGO)via a chemical intercalated strategy.The expanded interlayer distance of MoS2(0.96 nm),enlarged by the intercalation of N-doped porous carbon layers,can enhance ion diffusion mobility,provide additional reactive sites for ion storage and maintain the stability of electrode structure.In addition,the hierarchical structures between rGO substrate and intercalated N-doped carbon layers construct a three-dimensional(3D)conductive network,which can significantly improve the electrical conductivity and the structural stability.As a result,the rGO-supported MoS2/NC electrode exhibits an ultrahigh reversible capacity and remarkable long cycling stability for sodium-ion batteries(SIBs)and potassium-ion(PIBs).Meanwhile,the as-obtained MoS2/NC@rGO electrode also delivers a superior cycle performance of 250 mAh·g−1 after 160 cycles at 0.5 A·g−1 when employed as an anode for sodium-ion full cells. | Laiying Jing Junwei Sun Chaoyang Sun Di Wu Gang Lian Deliang Cui Qilong Wang Haohai Yu | 2023 | Nano Research2023，16，1： | 1 |
| 5 | Slc20a1b is essential for hematopoietic stem/progenitor cell expansion in zebrafish显示文摘Hematopoietic stem and progenitor cells(HSPCs)are able to self-renew and can give rise to all blood lineages throughout their lifetime,yet the mechanisms regulating HSPC development have yet to be discovered.In this study,we characterized a hematopoiesis defective zebrafish mutant line named smu07,which was obtained from our previous forward genetic screening,and found the HSPC expansion deficiency in the mutant.Positional cloning identified that slc20a1b,which encodes a sodium phosphate cotransporter,contributed to the smu07 blood phenotype.Further analysis demonstrated that mutation of slc20a1b affects HSPC expansion through cell cycle arrest at G2/M phases in a cell-autonomous manner.Our study shows that slc20a1b is a vital regulator for HSPC proliferation in zebrafish early hematopoiesis and provides valuable insights into HSPC development. | Jiakui Chen Gaofei Li Junwei Lian Ning Ma Zhibin Huang Jianchao Li Zilong Wen Wenqing Zhang Yiyue Zhang | 2021 | Science China(Life Sciences)2021，64，12： | 0 |
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