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| 1 | Advanced nano drug delivery systems for neuroprotection against ischemic stroke显示文摘Ischemic stroke(IS)represents a significant threat to brain health due to its elevated mortality and disability rates.The efficacy of small-molecule neuroprotective agents has been impeded by challenges associated with traversing the blood-brain barrier(BBB)and limited bioavailability.Conversely,advanced nano drug delivery systems hold promise for overcoming these obstacles by facilitating efficient transportation across the BBB and maintaining optimal drug concentrations.This review aims to explore advanced neuroprotective nano drug delivery systems as a means of effectively administering neuroprotective agents to the brain using pharmaceutical approaches in the treatment of IS.By examining these systems,researchers and clinicians can gain valuable insights and innovative concepts,illuminating the potential of advanced neuroprotective nano drug delivery systems.Leveraging these advancements can drive the progress of pioneering and efficacious therapeutic interventions for IS. | Chenchen Xie Jun Liao Ning Zhang Yuhan Sun Yi Li Liyan Xiong Yingnan Zhang Xiaoyan Liu Wei Su Heming Chen Ping Zeng Xiaoqing Zhang Ying Lu Tingfang Wang Chuan Zhang | 2024 | Chinese Chemical Letters2024，35，2： | 0 |
| 2 | A review of optically induced rotation显示文摘The optical rotation technique arose in the 1990 s.Optical tweezer brought an ideal platform for research on the angular momentum of laser beams.For decades,the optical rotation technique has been widely applied in laboratory optical manipulation and the fields of biology and optofluidics.Recently,it has attracted much attention for its potential in the classical and quantum regimes.In this work,we review the progress of experiments and applications of optically induced rotation.First,we introduce the basic exploration of angular momentum.Then,we cover the development and application of optical rotation induced by orbital angular momentum,and the spin angular momentum is presented.Finally,we elaborate on recent applications of the optical rotation technique in high vacuum.As precise optical manipulation in a liquid medium enters its maturity,optical tweezers in high vacuum open a new path for the high-speed micro-rotor. | Qi ZHU Nan LI Heming SU Wenqiang LI Huizhu HU | 2022 | Frontiers of Information Technology & Electronic Engineering2022，23，2： | 0 |
| 3 | Dynamic Analysis and Simulation of an Optically Levitated Rotating Ellipsoid Rotor in Liquid Medium显示文摘Optical trap,a circularly polarized laser beam can levitate and control the rotation of microspheres in liquid medium with high stiffness.Trapping force performs as confinement while the trapped particle can be analog to a liquid floated gyroscope with three degree-of-ffeedom.In this work,we analyzed the feasibility of applying optically levitated rotor in the system.We presented the dynamic analysis and simulation of an ellipsoid micron particle.The precession motion and nutation motion of a rotating ellipsoid probe particle in optical tweezers were performed.We also analyzed the attitude changes of an optically levitated ellipsoid when there was variation of the external torque caused by deviation of the incident light that was provided.Furthermore,the trail path of the rotational axis vertex and the stabilization process of a particle of different ellipticities were simulated.We compared the movement tendencies of particles of different shapes and analyzed the selection criteria of ellipsoid rotor.These analytical formulae and simulation results are applicable to the analysis of the rotational motion of particles in optical tweezers,especially to the future research of the gyroscope effect. | Qi ZHU Nan LI Heming SU Wenqiang LI Huizhu HU | 2022 | Photonic Sensors2022，12，2： | 0 |
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