Two dimethylamino-carbaldehyde derivatives with differentπ-bridge lengths were prepared,and their transient optical properties and photophysical mechanisms were investigated by transient absorption spectroscopy and Z...Two dimethylamino-carbaldehyde derivatives with differentπ-bridge lengths were prepared,and their transient optical properties and photophysical mechanisms were investigated by transient absorption spectroscopy and Z-scan measurements.Owing to the difference in molecular structures,the two compounds exhibit different populations of locally excited states and,therefore,they also produce different transient absorption spectra.After photoexcitation,both molecular materials exhibit a wide excited state absorption band from 450 nm to 1000 nm.Meanwhile,the excited state lifetimes are dramatically different,2 ns and 100 ps,for the two molecules.A figure of merit greater than 2 at the wavelength of1000 nm is obtained.The results show that modulating the population of the locally excited states in this type of molecule can be a promising approach for obtaining optical switching and solar cell materials.展开更多
Objective:To evaluate the effect of recombinant human growth hormone(rhGH)supplementation during hormone-replacement therapy and frozen-thawed embryo transfer(FET)in patients with thin endometrium.Methods:A retrospect...Objective:To evaluate the effect of recombinant human growth hormone(rhGH)supplementation during hormone-replacement therapy and frozen-thawed embryo transfer(FET)in patients with thin endometrium.Methods:A retrospective research was conducted on 225 patients,who underwent artificial cycle FET in Shanghai,China,between January 2016 and November 2017.Data from 245 FET cycles were analyzed,of which 184 cycles received rhGH(GH group)and 61 did not(control group).Results:Clinical pregnancy and implantation rates were significantly higher in the GH group than those in the control group(64.7%vs.49.2%,P=0.032;44.8%vs.32.8%,P=0.019,respectively).After logistic regression analysis,rhGH was considered the only significant variable that influenced clinical pregnancy rate,increasing it by 1.89-fold.On the other hand,the presence of rhGH did not seem to affect the early pregnancy loss.Conclusions:Our results indicated that simultaneous addition of rhGH could improve clinical outcomes of FET in patients with thin endometrium,particularly in patients between 30 and 34 years of age.展开更多
基金Project supported by the National Natural Science Foundation of China(Grant Nos.U1630103 and 11704273)Natural Science Foundation of Jiangsu Province,China(Grant No.BK20170375)Natural Science Foundation of the Higher Education Institutions of Jiangsu Province,China(Grant No.17KJB140021)
文摘Two dimethylamino-carbaldehyde derivatives with differentπ-bridge lengths were prepared,and their transient optical properties and photophysical mechanisms were investigated by transient absorption spectroscopy and Z-scan measurements.Owing to the difference in molecular structures,the two compounds exhibit different populations of locally excited states and,therefore,they also produce different transient absorption spectra.After photoexcitation,both molecular materials exhibit a wide excited state absorption band from 450 nm to 1000 nm.Meanwhile,the excited state lifetimes are dramatically different,2 ns and 100 ps,for the two molecules.A figure of merit greater than 2 at the wavelength of1000 nm is obtained.The results show that modulating the population of the locally excited states in this type of molecule can be a promising approach for obtaining optical switching and solar cell materials.
文摘Objective:To evaluate the effect of recombinant human growth hormone(rhGH)supplementation during hormone-replacement therapy and frozen-thawed embryo transfer(FET)in patients with thin endometrium.Methods:A retrospective research was conducted on 225 patients,who underwent artificial cycle FET in Shanghai,China,between January 2016 and November 2017.Data from 245 FET cycles were analyzed,of which 184 cycles received rhGH(GH group)and 61 did not(control group).Results:Clinical pregnancy and implantation rates were significantly higher in the GH group than those in the control group(64.7%vs.49.2%,P=0.032;44.8%vs.32.8%,P=0.019,respectively).After logistic regression analysis,rhGH was considered the only significant variable that influenced clinical pregnancy rate,increasing it by 1.89-fold.On the other hand,the presence of rhGH did not seem to affect the early pregnancy loss.Conclusions:Our results indicated that simultaneous addition of rhGH could improve clinical outcomes of FET in patients with thin endometrium,particularly in patients between 30 and 34 years of age.
