Chlamydia trachomatis （Ct） genital infection is the most common sexually transmitted disease （STD） in China and the US. The morbidity of Ct genital infection in China has increased from 32.48/100,000 in 2008 to 37...Chlamydia trachomatis （Ct） genital infection is the most common sexually transmitted disease （STD） in China and the US. The morbidity of Ct genital infection in China has increased from 32.48/100,000 in 2008 to 37.18/100,000 in 2015.[1] The major areas of Ct infections are concentrated in the Zhujiang Delta, Changjiang Delta, Minjiang Area, and West China. In these areas, the highest incidence of Ct infection reaches 615.99/100,000 citizens. In the US, there are 1,441,789 reported Ct, which include 627.2 females and 278.4 males per 100,000 population. It is now the most prevalent STD, with its rate increasing to 22% in males and 6% in females.[2] Ct genital infection can cause epididymitis, prostatitis, cervicitis, annexitis, infertility, and atopic pregnancy, which have been identified as the major public health problems.展开更多
TiO2 tri-layer structure films were modified by C-ions implantation for improving the photovoltaic perfor- mance of dye-sensitized solar cells （DSSCs）, in which the structure of TiOa changes from rutile to anatase a...TiO2 tri-layer structure films were modified by C-ions implantation for improving the photovoltaic perfor- mance of dye-sensitized solar cells （DSSCs）, in which the structure of TiOa changes from rutile to anatase and the sizes of TiOa particles increase. The optimal concentration of ions implantation for C-implanted cells is 1 ~ 1015 atom.cm-2, and the maximum conversion efficiency of 5.32 % is achieved （luminous intensity of 1 sun, light irradiance of AM1.SG）, which is 25.2 % higher than that of unimplanted cell. The significant improvement in conversion efficiency by carbon- ion implantation is contributed to reducing charge recombi- nation and enhancing the light-harvesting ability, as indicated from incident photon-to-collected electron conversion effi- ciency （IPCE） and ultraviolet-visible （UV-Vis） measure- ments. Furthermore, the charge carrier＇s lifetime in the tri- layer titania films is prolonged after carbon-ion implantations.展开更多
In a recent article[Gao et al.,Sci.China-Phys.Mech.Astron.63,120311(2020)],a two-receiver measurement-deviceindependent quantum secret sharing(MDI-QSS)protocol was presented.It was proven to be secure against eavesdro...In a recent article[Gao et al.,Sci.China-Phys.Mech.Astron.63,120311(2020)],a two-receiver measurement-deviceindependent quantum secret sharing(MDI-QSS)protocol was presented.It was proven to be secure against eavesdropping and generalized to the multireceiver case.However,the participant attack is a fatal threat to QSS protocols.Here,we highlight that a dishonest participant can obtain a sender’s secret message alone without introducing any detectable error,evidencing the vulnerability of the MDI-QSS protocol to the participant attack.展开更多
To the Editor:Melanocyte stem cells (MSCs),derived from the neural crest,function as the repository of melanocytes (MCs).Currently,most scholars suggest that MSCs mainly exist in the bulge of hair follicles.
The difficulty of quantum key agreement is to realize its security and fairness at the same time.This paper presents a new three-party quantum key agreement protocol based on continuous variable single-mode squeezed s...The difficulty of quantum key agreement is to realize its security and fairness at the same time.This paper presents a new three-party quantum key agreement protocol based on continuous variable single-mode squeezed state.The three parties participating in the agreement are peer entities,making same contributions to the final key.Any one or two participants of the agreement cannot determine the shared key separately.The security analysis shows that the proposed protocol can resist both external and internal attacks.展开更多
基金This work was supported by a grant from the Natural Science Foundation of China(No.31370211).
文摘Chlamydia trachomatis （Ct） genital infection is the most common sexually transmitted disease （STD） in China and the US. The morbidity of Ct genital infection in China has increased from 32.48/100,000 in 2008 to 37.18/100,000 in 2015.[1] The major areas of Ct infections are concentrated in the Zhujiang Delta, Changjiang Delta, Minjiang Area, and West China. In these areas, the highest incidence of Ct infection reaches 615.99/100,000 citizens. In the US, there are 1,441,789 reported Ct, which include 627.2 females and 278.4 males per 100,000 population. It is now the most prevalent STD, with its rate increasing to 22% in males and 6% in females.[2] Ct genital infection can cause epididymitis, prostatitis, cervicitis, annexitis, infertility, and atopic pregnancy, which have been identified as the major public health problems.
基金financially supported by the National Natural Science Foundation of China (No. 51202139)Shanghai Pujiang Program (No. 11PJ1403400)the Fundamental Research Funds for Central Universities (No. 2012LYB24)
文摘TiO2 tri-layer structure films were modified by C-ions implantation for improving the photovoltaic perfor- mance of dye-sensitized solar cells （DSSCs）, in which the structure of TiOa changes from rutile to anatase and the sizes of TiOa particles increase. The optimal concentration of ions implantation for C-implanted cells is 1 ~ 1015 atom.cm-2, and the maximum conversion efficiency of 5.32 % is achieved （luminous intensity of 1 sun, light irradiance of AM1.SG）, which is 25.2 % higher than that of unimplanted cell. The significant improvement in conversion efficiency by carbon- ion implantation is contributed to reducing charge recombi- nation and enhancing the light-harvesting ability, as indicated from incident photon-to-collected electron conversion effi- ciency （IPCE） and ultraviolet-visible （UV-Vis） measure- ments. Furthermore, the charge carrier＇s lifetime in the tri- layer titania films is prolonged after carbon-ion implantations.
基金supported by the National Natural Science Foundation of China(Grant No.62071015)the Beijing Municipal Science&Technology Commission(Grant No.Z191100007119004)the Guangxi Key Laboratory of Cryptography and Information Security(Grant No.GCIS201810)。
文摘In a recent article[Gao et al.,Sci.China-Phys.Mech.Astron.63,120311(2020)],a two-receiver measurement-deviceindependent quantum secret sharing(MDI-QSS)protocol was presented.It was proven to be secure against eavesdropping and generalized to the multireceiver case.However,the participant attack is a fatal threat to QSS protocols.Here,we highlight that a dishonest participant can obtain a sender’s secret message alone without introducing any detectable error,evidencing the vulnerability of the MDI-QSS protocol to the participant attack.
基金grant from the National Natural Science Foundation of China (No.81703140).
文摘To the Editor:Melanocyte stem cells (MSCs),derived from the neural crest,function as the repository of melanocytes (MCs).Currently,most scholars suggest that MSCs mainly exist in the bulge of hair follicles.
基金Supported by Beijing Natural Science Foundation under Grant Nos.4182006,4162005National Natural Science Foundation of China under Grant Nos.61572053,61472048,61671087,U1636106,61602019,61502016
文摘The difficulty of quantum key agreement is to realize its security and fairness at the same time.This paper presents a new three-party quantum key agreement protocol based on continuous variable single-mode squeezed state.The three parties participating in the agreement are peer entities,making same contributions to the final key.Any one or two participants of the agreement cannot determine the shared key separately.The security analysis shows that the proposed protocol can resist both external and internal attacks.
