A5057250581- Orbital Angular Momentum in Optics
- Nonlinear Optical Materials Studies
- Advanced Materials and Mechanics
- Laser Material Processing Techniques
- Micro and Nano Robotics
- Surface Modification and Superhydrophobicity
- 3D Printing in Biomedical Research
- Nanofabrication and Lithography Techniques
- Optical Coherence Tomography Applications
- Microfluidic and Bio-sensing Technologies
- Advanced Sensor and Energy Harvesting Materials
- Electrowetting and Microfluidic Technologies
- Microfluidic and Capillary Electrophoresis Applications
- Adhesion, Friction, and Surface Interactions
- Liquid Crystal Research Advancements
- Advanced Optical Imaging Technologies
- Photonic and Optical Devices
- Metamaterials and Metasurfaces Applications
- Induction Heating and Inverter Technology
- Nanoplatforms for cancer theranostics
- MXene and MAX Phase Materials
- Digital Holography and Microscopy
- Electric Motor Design and Analysis
- Photoacoustic and Ultrasonic Imaging
- Soft Robotics and Applications
Hefei University of Technology
2019-2025
Nanjing Normal University
2023-2024
University of Science and Technology of China
2013-2021
Hefei National Center for Physical Sciences at Nanoscale
2021
Anhui University
2021
Hefei University
2019
University of Virginia
2018
Optical vortices, a type of structured beam with helical phase wavefronts and 'doughnut'-shaped intensity distributions, have been used to fabricate chiral structures in metals spiral patterns anisotropic polarization-dependent azobenzene polymers. However, isotropic polymers, the fabricated microstructures are typically confined non-chiral cylindrical geometry due two-dimensional profile optical vortices. Here we develop powerful strategy realize material by coaxial interference vortex...
Abstract Botanical systems have evolved the intriguing ability to respond diverse stimuli due long‐term survival competition. Mimicking these dynamic behaviors has greatly advanced developments in wide fields ranging from soft robotics, precision sensors drug delivery and biomedical devices. However, realization of stimuli‐responsive components at microscale with high response speed still remains a significant challenge. Herein, miniature biomimetic 4D printing pH‐responsive hydrogel is...
Soft actuators and microrobots that can move spontaneously continuously without artificial energy supply intervention have great potential in industrial, environmental, military applications, but still remain a challenge. Here, bioinspired MXene-based bimorph actuator with an asymmetric layered microstructure is reported, which harness natural sunlight to achieve directional self-locomotion. We fabricate freestanding MXene film increased through the graft of coupling agents into nanosheets....
The emerging two-photon polymerization (TPP) technique enables high-resolution printing of complex 3D structures, revolutionizing micro/nano additive manufacturing. Various fast scanning and parallel processing strategies have been proposed to promote its efficiency. However, obtaining large numbers uniform focal spots for high-speed remains challenging, which hampers the realization higher throughput. We report a TPP platform that combines galvanometric mirrors liquid crystal on silicon...
Capable of mediating efficient transfection and protein production without eliciting innate immune responses, chemically modified mRNA holds great potential to produce paracrine factors at a physiologically beneficial level, in spatiotemporally controlled manner, with low toxicity. Although highly promising cardiovascular medicine wound healing, effects this emerging therapeutic on the microvasculature its bioactivity disease settings remain poorly understood. Here, we longitudinally...
The high-performance unidirectional manipulation of microdroplets is crucial for many vital applications including water collection and bioanalysis. Among several actuation methods (e.g., electric, magnetic, light, thermal actuation), mechanical vibration pollution-free biocompatible. However, it suffers from limited droplet movement mode, small volume range (VMax /VMin < 3), low transport velocity (≤11.5 mm s-1 ) because the motion a sliding state caused by vertical on asymmetric...
Abstract Marangoni‐effect‐driven actuators (MDAs) have the advantages of direct light‐to‐work conversion and convenient operation, which makes it widely researched in cutting‐edge fields including robots, micromachines, intelligent systems. However, MDA relies on surface tension difference only works 2D liquid–air interface. Besides, MDAs are normally pure black due to light‐absorption material limitation. Herein, a transparent light‐driven 3D movable actuator (LTMA) manipulation strategy...
Colorful and anisotropic multi-functional metal surfaces fabricated by focused laser interference lithography.
A magnetism-switchable isotropic/anisotropic droplet rolling platform composed of bio-inspired micropillar/microplate structures is proposed, which shows potential for applications such as liquid mixing and microchemical reactions.
Abstract Due to constraints imposed by the geometry characteristics of optical fibers and conventional preparation strategies, development “Lab on Tip” devices faces significant challenges. By introducing two‐photon polymerization (TPP) technology, it becomes feasible develop arbitrarily complex 3D structures with nanoscale features fiber tips. However, serial scanning process TPP is too slow accommodate extensive application expansion tip devices. Herein, a hybrid femtosecond laser...
Abstract Magnetically actuated soft grippers find extensive applications in robotics due to their rapid response, biological safety, and wireless control capabilities. However, these systems often require a continuously applied magnetic field during both the capture release processes, which reduces load capacity makes gripping ferromagnetic objects challenging. Here, an electrothermal‐magnetic shape memory (EM‐SMP) microgripper is developed. By incorporating Fe₃O₄ particles into polymer...
Structured laser beam based microfabrication technology provides a rapid and flexible way to create some special microstructures. As an important member in the propagation of invariant structured optical fields, Mathieu beams (MBs) exhibit regular intensity distribution diverse controllable parameters, which makes it extremely suitable for fabrication functional In this study, MBs are generated by phase-only spatial light modulator (SLM) used femtosecond two-photon polymerization (TPP)...
Abstract High efficiency fabrication and integration of three-dimension (3D) functional devices in Lab-on-a-chip systems are crucial for microfluidic applications. Here, a spatial light modulator (SLM)-based multifoci parallel femtosecond laser scanning technology was proposed to integrate microstructures inside given ‘Y’ shape microchannel. The key novelty our approach lies on rapidly integrating 3D microdevices microchip the first time, which significantly reduces time. high quality...
Abstract Efficient calculation of the light diffraction in free space is great significance for tracing electromagnetic field propagation and predicting performance optical systems such as microscopy, photolithography, manipulation. However, existing methods suffer from low computational efficiency poor flexibility. Here, we present a fast flexible method computing scalar vector corresponding regimes using Bluestein method. The computation time can be substantially reduced to sub-second...
Functional microdevices based on responsive hydrogel show great promise in targeted delivery and biomedical analysis. Among state-of-the-art techniques for manufacturing hydrogel-based microarchitectures, femtosecond laser two-photon polymerization distinguishes itself by high designability precision, but the point-by-point writing scheme requires mechanical apparatuses to support focus scanning. In this work, predesigning holograms combined with lens phase modulation, multiple spots are...
The capability to realize 2D–3D controllable metallic micro/nanostructures is of key importance for various fields such as plasmonics, electronics, bioscience, and chemistry due unique properties electromagnetic field enhancement, catalysis, photoemission, conductivity. However, most the present techniques are limited low-dimension (1D–2D), small area, or single function. Here we report assembly self-organized three-dimensional (3D) porous metal micro/nanocages arrays on nickel surface by...
Abstract Rapid integration of high-quality functional devices in microchannels is highly demand for miniature lab-on-a-chip applications. This paper demonstrates the embellishment existing microfluidic with integrated micropatterns via femtosecond laser MRAF-based holographic patterning (MHP) microfabrication, which proves two-photon polymerization (TPP) based on spatial light modulator (SLM) to be a rapid and powerful technology chip functionalization. Optimized mixed region amplitude...
The hierarchical structures are the derivation of various functionalities in natural world and have inspired broad practical applications chemical systhesis biological manipulation. However, traditional top-down fabrication approaches suffered from low complexity. We propose a laser printing capillary-assisted self-assembly (LPCS) strategy for fabricating regular periodic structures. Microscale pillars first produced by localized femtosecond polymerization subsequently self-assembled into...
The highly aligned extracellular matrix of metastatic breast cancer cells is considered to be the "highway" invasion, which strongly promotes directional migration break through basement membrane. However, how reorganized regulates cell remains unknown. Here, a single exposure femtosecond Airy beam followed by capillary-assisted self-assembly process was used fabricate microclaw-array, mimic oriented tumor and pores in or membrane during invasion. Through experiment, we found that MDA-MB-231...
Photothermal Therapy With wide spectral absorption and high photothermal conversion efficiency, the treatment based on 2D MXenes at NIR-II has significant advantages in biological tissue penetration depth biocompatibility, which is a promising biomedical treatment. In article number 2305645, Yisen Wang co-workers introduced properties, mechanism influencing factors of MXenes, summarized application status region.
Abstract Chiral metamaterials have attracted pronounced attention due to their great potential in detecting vortex‐structured light and enantiomeric chiral molecules. However, most previously‐explored rigid structures are constrained by poor tunability, resulting from inability achieve bidirectionally symmetric fabrication. Though the integration of smart materials with femtosecond laser printing has advanced development 3D tunable microstructures, unfortunately, asymmetric deformation those...
Rationale: Emerging evidence has suggested that sphingosine 1-phosphate (S1P), a bioactive metabolite of sphingolipids, may play an important role in the pathophysiological processes cerebral hypoxia and ischemia.However, influence S1P on hemodynamics metabolism remains unclear.Material Methods: Uniquely capable high-resolution, label-free, comprehensive imaging oxygen mouse brain without general anesthesia, our newly developed head-restrained multi-parametric photoacoustic microscopy (PAM)...