In this article,we prove a regularity result for weak solutions away from singular set of stationary Navier-Stokes systems with subquadratic growth under controllable growth condition.The proof is based on the A-harmo...In this article,we prove a regularity result for weak solutions away from singular set of stationary Navier-Stokes systems with subquadratic growth under controllable growth condition.The proof is based on the A-harmonic approximation technique.In this article,we extend the result of Shuhong Chen and Zhong Tan[7]and Giaquinta and Modica[18]to the stationary Navier-Stokes system with subquadratic growth.展开更多
Objective:The aim of the study was to screen the differentially expressed genes of Peutz-Jeghers syndrome (PJS) and colorectal carcinoma (CRC).Methods:This study used cDNA microarray to comparatively analyze the gene ...Objective:The aim of the study was to screen the differentially expressed genes of Peutz-Jeghers syndrome (PJS) and colorectal carcinoma (CRC).Methods:This study used cDNA microarray to comparatively analyze the gene expression profiles of 4 cases of PJS combined with colorectal adenocarcinoma vs.normal mucosae.The cDNA microarray contained 8064 human genes,and then using RT-PCR to test three genes of all.Results:The experimental data showed that fourteen genes were differentially expressed,which were up-regulated in PJS.Fifty-one genes expressions were altered in CRCs,of which 32 were up-regulated,as compared to the normal mucosae.In addition,5 genes were similarly altered in both PJS and CRCs.RT-PCR analyses confirmed the cDNA microarray data for three of those genes:LATS2,APC and MADH4.Conclusion:LCN2,USP4,GRO3,HYAL1 and APC-these differentially expressed genes likely represent biomarkers for early detection of CRC and may be potential therapeutic targets.展开更多
In the last decade,liquid fuel cells with their numerous advantages have gained widespread attention across the globe.However,it is a prerequisite for the fuel cells to attain an all-climate operation ability before r...In the last decade,liquid fuel cells with their numerous advantages have gained widespread attention across the globe.However,it is a prerequisite for the fuel cells to attain an all-climate operation ability before realizing broad and extensive applications.To date,conventional liquid fuel cells always require pre-heating strategy or auxiliary heating equipment before they can operate in sub-zero environments,which makes the system bulky and prolongs its response time.The recently proposed and demonstrated novel electrically rechargeable liquid fuel(e-fuel),is considered to be a potential solution for powering fuel cells in various environments,particularly under sub-zero conditions.Using the e-fuel,a passive liquid fuel cell is designed,fabricated,and examined from 23 to–20°C.The cold-start free fuel cell is demonstrated to attain a peak power density of 110.34 mW·cm−2 at−20°C.Furthermore,to demonstrate its capability for commercial application,a two-cell stack has been developed to power a toy train,which not only demonstrates the superior scalability of this system,but also presents it as a feasible device for power generation in extreme environments.展开更多
文摘In this article,we prove a regularity result for weak solutions away from singular set of stationary Navier-Stokes systems with subquadratic growth under controllable growth condition.The proof is based on the A-harmonic approximation technique.In this article,we extend the result of Shuhong Chen and Zhong Tan[7]and Giaquinta and Modica[18]to the stationary Navier-Stokes system with subquadratic growth.
基金Supported by the grants from Funded Project based by the Health Innovation of the Xiamen Municipal Science and Technology Programme (No.3502Z20084031)Medical Technology Innovation Project of Nanjing Military Region (No.09MA066)
文摘Objective:The aim of the study was to screen the differentially expressed genes of Peutz-Jeghers syndrome (PJS) and colorectal carcinoma (CRC).Methods:This study used cDNA microarray to comparatively analyze the gene expression profiles of 4 cases of PJS combined with colorectal adenocarcinoma vs.normal mucosae.The cDNA microarray contained 8064 human genes,and then using RT-PCR to test three genes of all.Results:The experimental data showed that fourteen genes were differentially expressed,which were up-regulated in PJS.Fifty-one genes expressions were altered in CRCs,of which 32 were up-regulated,as compared to the normal mucosae.In addition,5 genes were similarly altered in both PJS and CRCs.RT-PCR analyses confirmed the cDNA microarray data for three of those genes:LATS2,APC and MADH4.Conclusion:LCN2,USP4,GRO3,HYAL1 and APC-these differentially expressed genes likely represent biomarkers for early detection of CRC and may be potential therapeutic targets.
基金Open access funding provided by The Hong Kong Polytechnic University.
文摘In the last decade,liquid fuel cells with their numerous advantages have gained widespread attention across the globe.However,it is a prerequisite for the fuel cells to attain an all-climate operation ability before realizing broad and extensive applications.To date,conventional liquid fuel cells always require pre-heating strategy or auxiliary heating equipment before they can operate in sub-zero environments,which makes the system bulky and prolongs its response time.The recently proposed and demonstrated novel electrically rechargeable liquid fuel(e-fuel),is considered to be a potential solution for powering fuel cells in various environments,particularly under sub-zero conditions.Using the e-fuel,a passive liquid fuel cell is designed,fabricated,and examined from 23 to–20°C.The cold-start free fuel cell is demonstrated to attain a peak power density of 110.34 mW·cm−2 at−20°C.Furthermore,to demonstrate its capability for commercial application,a two-cell stack has been developed to power a toy train,which not only demonstrates the superior scalability of this system,but also presents it as a feasible device for power generation in extreme environments.