Submicron scale temperature sensors are crucial for a range of applications,particularly in micro and na-noscale environments.One promising solution involves the use of active whispering gallery mode(WGM)microresonato...Submicron scale temperature sensors are crucial for a range of applications,particularly in micro and na-noscale environments.One promising solution involves the use of active whispering gallery mode(WGM)microresonators.These resonators can be remotely excited and read out using free-space structures,simplifying the process of sensing.In this study,we present a submicron-scale temperature sensor with a remarkable sensitivity up to 185 pm/℃based on a trian-gular MAPbI3 nanoplatelet(NPL)laser.Notably,as temperature changes,the peak wavelength of the laser line shifts lin-early.This unique characteristic allows for precise temperature sensing by tracking the peak wavelength of the NPL laser.The optical modes are confined within the perovskite NPL,which measures just 85 nm in height,due to total internal reflec-tion.Our NPL laser boasts several key features,including a high Q of~2610 and a low laser threshold of about 19.8μJ·cm^(−2).The combination of exceptional sensitivity and ultra-small size makes our WGM device an ideal candidate for integration into systems that demand compact temperature sensors.This advancement paves the way for significant prog-ress in the development of ultrasmall temperature sensors,opening new possibilities across various fields.展开更多
除菌过滤系统及无菌生产工艺是保证非最终灭菌药品无菌性的重要环节。对除菌过滤系统进行使用前灭菌后完整性测试(pre-use post sterilization integrity test,PUPSIT)可确保其能有效拦截所有微生物。该研究梳理了国内外药品监管机构对P...除菌过滤系统及无菌生产工艺是保证非最终灭菌药品无菌性的重要环节。对除菌过滤系统进行使用前灭菌后完整性测试(pre-use post sterilization integrity test,PUPSIT)可确保其能有效拦截所有微生物。该研究梳理了国内外药品监管机构对PUPSIT及其节点的法规要求,分析、探讨了PUPSIT的实施利弊和行业现状,以期为药品监管机构和无菌药品生产企业提供参考。展开更多
文摘Submicron scale temperature sensors are crucial for a range of applications,particularly in micro and na-noscale environments.One promising solution involves the use of active whispering gallery mode(WGM)microresonators.These resonators can be remotely excited and read out using free-space structures,simplifying the process of sensing.In this study,we present a submicron-scale temperature sensor with a remarkable sensitivity up to 185 pm/℃based on a trian-gular MAPbI3 nanoplatelet(NPL)laser.Notably,as temperature changes,the peak wavelength of the laser line shifts lin-early.This unique characteristic allows for precise temperature sensing by tracking the peak wavelength of the NPL laser.The optical modes are confined within the perovskite NPL,which measures just 85 nm in height,due to total internal reflec-tion.Our NPL laser boasts several key features,including a high Q of~2610 and a low laser threshold of about 19.8μJ·cm^(−2).The combination of exceptional sensitivity and ultra-small size makes our WGM device an ideal candidate for integration into systems that demand compact temperature sensors.This advancement paves the way for significant prog-ress in the development of ultrasmall temperature sensors,opening new possibilities across various fields.
文摘除菌过滤系统及无菌生产工艺是保证非最终灭菌药品无菌性的重要环节。对除菌过滤系统进行使用前灭菌后完整性测试(pre-use post sterilization integrity test,PUPSIT)可确保其能有效拦截所有微生物。该研究梳理了国内外药品监管机构对PUPSIT及其节点的法规要求,分析、探讨了PUPSIT的实施利弊和行业现状,以期为药品监管机构和无菌药品生产企业提供参考。
