Droplet manipulation techniques such as transport and merging have been widely used in many fields including biology,chemistry,material and energy applications.Moreover,droplet manipulation strategies have been extens...Droplet manipulation techniques such as transport and merging have been widely used in many fields including biology,chemistry,material and energy applications.Moreover,droplet manipulation strategies have been extensively investigated and reviewed in terms of droplet placement on solid surfaces.However,less attention has been paid to the practice of droplet manipulation technology in other environments,limiting our understanding and the broadening of technology application.In this article,we provided an overview of the recent progress in controlling droplets in various situations,including droplet manipulation on a surface mediated by the passive strategy(Laplace pressure and wettability gradients)and active strategy(electric field,magnetic field,light and heat).We also presented the principle of droplet manipulation and detailed the application of bionic surfaces in droplet manipulation,and the applications and prospects of droplet manipulation technology were summarized.展开更多
Based on natural protein materials,a series of lenses with different heights and focal lengths were assembled on glass substrates by femtosecond laser non-contact,masking,and cold processing.This lens array itself pos...Based on natural protein materials,a series of lenses with different heights and focal lengths were assembled on glass substrates by femtosecond laser non-contact,masking,and cold processing.This lens array itself possesses unique and characteristic optical performance in three-dimensional parallel imaging and bending imaging.What is more profound is that by using equilibrium swelling of protein-hydrogel,once the lens array was placed in a liquid environment,with the change of ion concentration(e.g.,pH),the refractive index and curvature of the protein-hydrogel would change,which leads to the flex of the focal plane of the lens,finally realizing the dynamical tunability of a protein microlens.These smart stress devices may have great potential in optical biosensing and microfluidic chip integration fields.展开更多
基金Department of Science and Technology of Jilin Province,Grant/Award Number:YDZJ202101ZYTS025Jilin Science and Technology Association,Grant/Award Number:QT202030+2 种基金China Postdoctoral Science Foundation,Grant/Award Number:2019M661184National Natural Science Foundation of China,Grant/Award Number:U19A20103Ministry of Science and Technology of the People's Republic of China,Grant/Award Number:D17017。
文摘Droplet manipulation techniques such as transport and merging have been widely used in many fields including biology,chemistry,material and energy applications.Moreover,droplet manipulation strategies have been extensively investigated and reviewed in terms of droplet placement on solid surfaces.However,less attention has been paid to the practice of droplet manipulation technology in other environments,limiting our understanding and the broadening of technology application.In this article,we provided an overview of the recent progress in controlling droplets in various situations,including droplet manipulation on a surface mediated by the passive strategy(Laplace pressure and wettability gradients)and active strategy(electric field,magnetic field,light and heat).We also presented the principle of droplet manipulation and detailed the application of bionic surfaces in droplet manipulation,and the applications and prospects of droplet manipulation technology were summarized.
基金supported by the National Natural Science Foundation of China(NSFC)(Nos.61605055 and 61435005)the China Postdoctoral Science Foundation(No.801161010428)
文摘Based on natural protein materials,a series of lenses with different heights and focal lengths were assembled on glass substrates by femtosecond laser non-contact,masking,and cold processing.This lens array itself possesses unique and characteristic optical performance in three-dimensional parallel imaging and bending imaging.What is more profound is that by using equilibrium swelling of protein-hydrogel,once the lens array was placed in a liquid environment,with the change of ion concentration(e.g.,pH),the refractive index and curvature of the protein-hydrogel would change,which leads to the flex of the focal plane of the lens,finally realizing the dynamical tunability of a protein microlens.These smart stress devices may have great potential in optical biosensing and microfluidic chip integration fields.
