Deana Kwong Hong Tsang

ORCID: 0000-0002-2444-7355
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About
Contact & Profiles
Research Areas
  • Advanced biosensing and bioanalysis techniques
  • Graphene research and applications
  • Advancements in Battery Materials
  • Carbon and Quantum Dots Applications
  • Extracellular vesicles in disease
  • Advanced Memory and Neural Computing
  • Advanced battery technologies research
  • Quantum and electron transport phenomena
  • Advanced Battery Materials and Technologies
  • Gold and Silver Nanoparticles Synthesis and Applications

Imperial College London
2019-2021

London Centre for Nanotechnology
2020

A graphene field-effect transistor (gFET) was non-covalently functionalised with 1-pyrenebutyric acid N-hydroxysuccinimide ester and conjugated anti-CD63 antibodies for the label-free detection of exosomes. Using a microfluidic channel, part film exposed to solution. The change in electrical properties created an additional minimum alongside original Dirac point drain-source current (Ids) - back-gate voltage (Vg) curve. When phosphate buffered saline (PBS) present at Vg lower than shifted...

10.1038/s41598-019-50412-9 article EN cc-by Scientific Reports 2019-09-26

Graphene field-effect transistors (GFETs) are suitable building blocks for high-performance electrical biosensors, because graphene inherently exhibits a strong response to charged biomolecules on its surface. However, achieving ultralow limit-of-detection (LoD) is limited by sensor time and screening effect. Herein, we demonstrate that the detection limit of GFET biosensors can be improved significantly decorating uncovered area with carbon dots (CDs). The developed CDs-GFET used exosome...

10.1021/acsami.0c18293 article EN ACS Applied Materials & Interfaces 2021-02-09

We elucidate how the electronic structure of battery electrodes can manipulate SEI film formation, morphology, and composition.

10.1039/d0ee01825b article EN Energy & Environmental Science 2020-01-01

The performance of graphene devices is often limited by defects and impurities induced during device fabrication. Polymer residue left on the surface after photoresist processing can increase electron scattering hinder transport. Furthermore, exposing to plasma-based such as sputtering metallization layers defect density in alter performance. Therefore, preservation high-quality thin-film deposition manufacturing essential for many electronic applications. Here, we show that use...

10.1021/acsomega.0c05631 article EN cc-by-nc-nd ACS Omega 2021-02-09
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