Navdeep Singh Grewal
Lovely Professional University, Guru Kashi University, Punjab Engineering College, Punjab engineering college
0000-0002-8115-126X
About
My Ph.D. research focused on designing and characterization of bioactive composite and hybrid coatings to tailor the biodegradability of Mg alloys for orthopedic implant applications. My research thoroughly investigates the fabrication of novel multi-layered organic(PCL, PLGA, PA)/ inorganic (HA, TiO2) coating architectures using non-solvent to solvent induced phase separation (NIPS), Polymer induced liquid precursor (PILP), Anodization, Sol-gel, and Chemical conversion coating techniques.
I have extensive experience towards wide range of characterization techniques including structural characterization: SEM/EDX/TEM/FTIR/XRD; Electrochemical characterization: PDP/EIS/CV/ Reaction kinetics using EECs (equivalent electric circuits);Thermal characterization: DSC/DTA/TGA; Wetting characterization: Contact Angles (CAs)/Drop Sliding velocities (DSVs); Microhardness: Vickers/ Rockwell; Coating adhesion strength: 3D scratch tester/Tape test; ; In-vitro degradation behaviour: Degradation rate/H2 evolution rate; Mechanical characterization: Three-point bend test/Tensile test/Compression test/Fracture toughness; Fractography: EBSD; In-vitro cell-viability: ELISA/MTT assay; Antibacterial behaviour: Confocal/Fluorescence microscopy/ XTT assay.
I have developed the self-healing mechanisms in coatings and built smart PCL microcapsules functionalized with a natural polymer as a healing agent. Combining double emulsification and phase evaporation techniques created a unique honeycomb core matrix. The experimental settings provide a rational design for multiple stimuli-feedback based self-healing coatings, including self-healing response against mechanical scratching, rapid pH rise, and abundant release of Mg2+ in test media. Burst, Fickian, and Non-Fickian diffusion-based release phenomena have all been explored using a variety of drug release kinetic models.
As a part of my research, I developed a unique HA-TiO2 nano-channeled coating for biomimetic Ca-P mineralization. The coating has a unique ability to mineralize apatite crystals with a particular orientation for deep penetration inside collagen fibrils of bone, promoting intrafibrillar mineralization and improving osseointegration response.
Employment
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Lovely Professional University Assistant Professor2014 - 2016
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Guru Kashi University Lecturer2012 - 2012
Education
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Punjab Engineering College Ph.D.2017 - 2022
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Punjab engineering college M.E.2012 - 2014
Projects & Funding
Projects & funding information is unavailable.
Publications (25)
- Advances in antimicrobial biomaterials for food packaging: A focus on food safety mechanisms and applications Save
- Processing – structure – degradation relationships in spark-processed AZ91 magnesium alloy for biodegradable orthopaedic implants Save
- Advancements in Mg-based scaffolds for bone tissue engineering: From design strategies to clinical perspectives Save
- Evaluation of in-vitro degradation and mechanical integrity of Mg-ZrO2/HA surface composites processed via friction stir additive manufacturing Save
- Innovative Design in 3D Bioprinting Toward the Digital Revolution Save
- Advances in Biomedical Applications of Doped SNO2 Nanoparticles: Enhancing Efficacy and Biocompatibility Save
- Synergistic barrier reinforcement and interfacial passivation of Q235 steel by PANI-modified Mo₂C/epoxy hybrid coatings Save
- Engineering Mg-based Biodegradable Bone Scaffolds for Improved Bioactivity, Degradation Resistance and Mechanical Integrity Save
- Rapid Ca-P mineralization on spark-tuned Mg alloys for enhanced corrosion resistance and biocompatibility in-vitro and in-vivo Save
- Investigating PLGA/HA composite coating for improved corrosion resistance and mechanical integrity of biodegradable Mg alloys Save