Cezhi Du

ORCID: 0009-0004-6381-8077
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Research Areas
  • Laser-Ablation Synthesis of Nanoparticles
  • Laser Material Processing Techniques
  • Bone Tissue Engineering Materials
  • Laser Applications in Dentistry and Medicine
  • Advanced Surface Polishing Techniques
  • Advanced machining processes and optimization
  • Dental materials and restorations
  • Additive Manufacturing and 3D Printing Technologies
  • Adhesion, Friction, and Surface Interactions
  • Bacterial biofilms and quorum sensing
  • Surface Modification and Superhydrophobicity
  • Advanced materials and composites
  • Textile materials and evaluations
  • Orthopaedic implants and arthroplasty
  • Graphene and Nanomaterials Applications
  • Bacterial Identification and Susceptibility Testing
  • Sexual function and dysfunction studies
  • Metallic Glasses and Amorphous Alloys
  • Cardiac Valve Diseases and Treatments
  • Titanium Alloys Microstructure and Properties
  • Tunneling and Rock Mechanics
  • Orthopedic Infections and Treatments

Guangdong Provincial Academy of Environmental Science
2024

Guangdong University of Technology
2019-2024

Guangdong Institute of Intelligent Manufacturing
2024

Guangdong Academy of Sciences
2024

Xiangtan University
2022

A laser-induced periodic surface structure (LIPSS) was shown to have antibacterial adhesion properties in previous research. In this study, the performance of LIPSS on traditional biometals (stainless steel and titanium alloy) a potential biometal (zirconium-based bulk metallic glass, Zr-BMG) investigated. femtosecond laser used fabricate specimens. Gram-negative Escherichia coli (E. coli) Gram-positive Staphylococcus aureus (S. aureus) were examine behavior samples. The bacterial force each...

10.1021/acsabm.1c01075 article EN ACS Applied Bio Materials 2021-12-29

Zirconium-based metallic glasses (Zr-BMGs) have attracted tremendous attention in healthcare fields, especially the design of surgical tools and orthopedic implants, due to their unique amorphous structure; however, application Zr-BMG-based medical devices is hindered by bacterial contamination. Here, a structure-element strategy proposed improve antibacterial performance Zr-BMGs surface laser nanostructuring silver nanoparticle (AgNP) deposition. The process generates disordered structure...

10.1021/acsami.1c22544 article EN ACS Applied Materials & Interfaces 2022-02-08

As high-performing materials, bulk metallic glasses have attracted widespread attention for biomedical applications. Herein, the bacterial adhesion properties of femtosecond laser-nanostructured surfaces four types zirconium-based are assessed. Laser-induced periodical surface structures and nanoparticle were fabricated by laser irradiation under different energy intensities (0.23 2.3 J/mm 2 ). Surface topography, roughness, wettability, investigated after explored using Escherichia coli...

10.1177/0954411919898011 article EN Proceedings of the Institution of Mechanical Engineers Part H Journal of Engineering in Medicine 2019-12-30

Bulk metallic glasses (BMGs) have garnered significant attention in recent decades due to the outstanding physical, chemical, and biomedical characteristics. The application of glass also received extensive attention. This report investigates interplay among antibacterial performance, crystallization processing parameters Zr-based bulk (Zr-BMG) following nanosecond laser irradiation. We examined surface morphology, behavior, quality, binding energy, ion release properties post-laser...

10.1177/09544119241285659 article EN Proceedings of the Institution of Mechanical Engineers Part H Journal of Engineering in Medicine 2024-10-01

The topological structure has been proved to have advantages on biomedical performance control. main purpose of this study is gain an understanding the optimal scaffold structure. Based TPMS-method, five different structures: Rhombic dodecahedron(A), Triangular hexahedron(B), spherical(C), parallelogram hexahedron(D), and octahedron(E) were designed fabricated by SLM in study. results indicated that differences pore geometry affect bacteriostasis cytotoxicity. Octahedron (group E) presents...

10.1016/j.procir.2019.12.003 article EN Procedia CIRP 2020-01-01

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10.2139/ssrn.4767436 preprint EN 2024-01-01

High-efficiency and high-quality sterilization technologies for medical materials can significantly reduce iatrogenic infection. This study investigates the synergistic effects of laser-induced periodic surface structures (LIPSS) ultrasonic cleaning on removal bacteria from material surfaces. We specifically examined how parameters structural defects in LIPSS impact effectiveness bacterial removal. As an emerging metal, Zr-BMG was chosen target material. Femtosecond laser processing employed...

10.1177/09544119241303307 article EN Proceedings of the Institution of Mechanical Engineers Part H Journal of Engineering in Medicine 2024-12-11

Accurate mechanical feedback systems are critical to the successful implementation of virtual and robotic surgical assistant systems. Experimental measurements reaming force could further our understanding cancellous bone process during hip arthroplasty help develop simulators with realistic effects improve protection mechanism robot-assisted In this study, experiments natural (porcine femur) a substitute (polyurethane blocks) were performed on CNC lathe. This paper proposes using maximum...

10.1177/09544119211043758 article EN Proceedings of the Institution of Mechanical Engineers Part H Journal of Engineering in Medicine 2021-08-31

Laser-induced periodic surface structures (LIPSS) were proven to change the optical response of materials. However, specific behavior could be changed by changing structure topography. In this study, we proposed a method for high-efficiency detection bacterial contamination based on behavior. We fabricated LIPSS zirconium-based bulk metallic glass (Zr-BMG) using different pulse energy levels. The morphology, topography, and oxidation state analyzed light diffuse reflection was measured...

10.2139/ssrn.4504261 preprint EN 2023-01-01

The laser-induced periodic surface structures (LIPSS) has been attached much importance due to its effect on friction and lubrication property. This study applied the controllable process fabricate LIPSS with different spatial frequency morphology cemented carbide by changing laser scanning velocity. And multi-scale textures combining micro-grooves width of 200μm 300μm were fabricated surface. Their morphology, wettability tribology characteristic under ZnO nano-fluid had investigated....

10.2139/ssrn.4621791 preprint EN 2023-01-01

Bulk metallic glass (BMG) have attracted considerable attention during the last decades due to their excellent physical, chemical, and biomedical properties. This report aims investigate relationship between antibacterial performance, crystallization behavior laser ablation parameters of Zr-based bulk (Zr-BMG) after nanosecond irradiation. The surface morphology, behavior, quality, binding energy Cu/Ni release properties were explored formation reactive oxygen species following immersion...

10.22541/au.159863516.66414181 preprint EN Authorea (Authorea) 2020-08-28

Abstract Engineering ceramics are widely used in aerospace, 3C electronics, life sciences and other fields. However, the hard brittleness of engineering makes it difficult to process, prone damage during processing, balance processing efficiency quality. In this paper, grinding force, surface morphology, subsurface damage, residual stress roughness values zirconia studied after undergoing cold air minimal quantity lubrication (CA–MQL) traditional wet (WET) at multiple depths under 0 MPa, 200...

10.21203/rs.3.rs-2237950/v1 preprint EN cc-by Research Square (Research Square) 2022-11-14
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