Wenchang Zhao

ORCID: 0000-0003-4335-8646
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About
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Research Areas
  • Surface Modification and Superhydrophobicity
  • Mercury impact and mitigation studies
  • Fluid Dynamics and Heat Transfer
  • Adsorption and biosorption for pollutant removal
  • Air Quality and Health Impacts
  • CRISPR and Genetic Engineering
  • Optical Network Technologies
  • Advanced Photonic Communication Systems
  • Analytical chemistry methods development
  • Molecular Sensors and Ion Detection
  • Air Quality Monitoring and Forecasting
  • Biosensors and Analytical Detection
  • Chromatography in Natural Products
  • Advanced biosensing and bioanalysis techniques
  • Toxic Organic Pollutants Impact
  • Micro and Nano Robotics
  • Photonic and Optical Devices
  • Electrohydrodynamics and Fluid Dynamics
  • Advanced Materials and Mechanics
  • Heavy Metal Exposure and Toxicity
  • Per- and polyfluoroalkyl substances research
  • Indoor Air Quality and Microbial Exposure
  • Protein purification and stability
  • Biomimetic flight and propulsion mechanisms
  • Surfactants and Colloidal Systems

City University of Hong Kong
2023-2025

Guangdong Medical College
2024

Northeastern University
2021-2023

Xi'an Jiaotong University
2016-2023

Changzhou University
2013-2015

Shanghai Jiao Tong University
2008-2012

Southern Medical University
2008

Yunnan University
2007

University of California, Santa Barbara
2005-2006

Abstract Droplet rebound is ubiquitous on super-repellent surfaces. Conversion between kinetic and surface energies suggests that suppression unachievable due to negligible energy dissipation. Here, we present an effective approach suppressing rebounds by incorporating bubbles into droplets, even in states. This arises from the counteractive capillary effects within bubble-encapsulated hollow droplets. The flows induced deformed inner-bubble counterbalance those driven outer-droplet surface,...

10.1038/s41467-023-40941-3 article EN cc-by Nature Communications 2023-09-04

In this study, we developed oxygen-supplying magnetic bead nanozymes that integrate hemoglobin and encapsulate the photosensitizer curcumin, demonstrating reactive oxygen species (ROS)-induced synergistic breast cancer therapy.

10.1039/d3nr05289c article EN Nanoscale 2024-01-01

A highly controllable and programmable self-assembly process has been developed, enabling multimodal motion through anisotropic micromotors fabricated using microfluidic technology.

10.1039/d4mh01346h article EN cc-by-nc Materials Horizons 2025-01-01

Abstract Symmetry typically characterizes the impact of a liquid droplet on solid surface, where uniform spreading is followed by radial retraction. Breaking this symmetry traditionally relies engineering surface properties. Here, we introduce an alternative approach to achieve asymmetric incorporating pair bubbles into droplet, resulting in coexistence and The dynamics originate from anisotropic capillary effects that can be adjusted varying volume fraction velocity. early onset retraction...

10.1002/dro2.70006 article EN cc-by Droplet 2025-04-02

Our work introduces a simple strategy for tailoring hierarchical anisotropy in microactuators using thermoresponsive liquid crystalline elastomers, thereby enabling versatile multimodal actuation.

10.1039/d4lc00369a article EN Lab on a Chip 2024-01-01

The rebound of liquid droplets on solid surfaces exhibits behavior reminiscent elastic spheres, albeit with distinct contact dynamics. While the rapid detachment from holds significant relevance for various applications, previous endeavors relying engineered can only reduce time to several milliseconds, primarily due capillary effects dominating droplet bounce. Here, we present ultrafast by designing heterogeneous core-shell encapsulating a particle (DEP), which achieves an unprecedentedly...

10.1038/s41467-024-54288-w article EN cc-by-nc-nd Nature Communications 2024-11-16

This study provides the spatial, annual, and seasonal variations related human health risk assessment of PM10 in ambient air Yangtze River Delta Region (YRDR). Daily average concentrations 25 cities this region previous 5 years (2005–2009) ranged from 52.8 to 112.1 μg/m3. levels showed a decreasing trend for major YRDR during period. mass was highest winter (110.5 μg/m3), followed by spring (95.9 μg/m3) summer (85.5 with lowest concentration autumn (78.2 μg/m3). For potential analysis,...

10.1089/ees.2010.0432 article EN Environmental Engineering Science 2011-10-28

It is a challenge to deliver water-soluble drug based on hydrophilic matrix colon because of swelling and erosion polysaccharides in contact with media. In our study, guar-based tablets containing total alkaloids Sophora alopecuroides prepared by wet granulation technique were evaluated. A novel method was established investigate the changes volume for undynamic state, which generally showed rapid change first 9 h, then hydrated speed slowed down. On other hand, influence different pH media...

10.1080/03639040802471176 article EN Drug Development and Industrial Pharmacy 2008-11-28

Detailed study of cross-phase modulation wavelength conversion based on ultra-long semiconductor optical amplifier is implemented to optimize the extinction ratio and pattern dependence. Error free 40 Gb/s demonstrated.

10.1109/cleo.2005.202147 article EN 2005-01-01

40 Gbit/s operation of a novel monolithically integrated wavelength converter consisting sampled grating DBR laser, long SOA and delay interferometer (DI)-MZI is reported. Error-free conversion for three different probe wavelengths, 10 intensity modulation by the DI-MZI optical label coding, are demonstrated.

10.1049/el:20062591 article EN Electronics Letters 2006-10-12
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