Photo of Mark Tweedie
  • Shore Road, Jordanstown Campus

    BT37 0QB Newtownabbey

    United Kingdom

  • 205 Citations
  • 8 h-Index
20062019
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Personal profile

Biography

Mark Tweedie joined the Nanotechnology and Intergraded Bioengineering Centre (NIBEC) at Ulster University in 2010 as a Research Associate in sensors and microfluidics and over the period has worked on various projects ranging from point-of-care diagnostic devices to the sensing of oceanic dissolved CO2 levels.Mark studied Pure and Applied Physics at Queen’s University Belfast from 1979 to 1982 graduating with a 2.1 honours degree. He went on to complete an MSc in Optoelectronics and Optical Information Processing, graduating in 1985. From 2006 to 2010 he completed a Seagate-funded PhD at Ulster University in the area of lateral growth of carbon nanotubes. Mark has been a Chartered Physicist and Member of the Institute of Physics since 1990.Prior to joining NIBEC, Mark was employed from 1984 to 1995 as a Technical Specialist Engineer for Sensors and Optics in the Defence System Division of Shorts-Bombardier, Belfast. During this time he investigated infrared optical detection systems, and developed optical systems for a patented indoor marksmanship simulator. From 1995 to 1998 he worked at the Microelectronics Centre at Queen’s University Belfast, fabricating specialised silicon-on-insulator substrates. From 1998 to 2003, he worked as a Research Physicist at a Northern Ireland biomedical diagnostics company on the development of a patented machine vision system for biochip quality control and a related prototype analyser for biochip assays.

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  • 2 Similar Profiles
Microfluidics Chemical Compounds
Microchannels Chemical Compounds
Capillary flow Chemical Compounds
microchannels Physics & Astronomy
Carbon Nanotubes Chemical Compounds
Polymethyl Methacrylate Chemical Compounds
menisci Physics & Astronomy
Substrates Chemical Compounds

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Research Output 2006 2019

  • 205 Citations
  • 8 h-Index
  • 11 Article
  • 7 Conference contribution
1 Citation (Scopus)

Long-term hydrolytically stable bond formation for future membrane-based deep ocean microfluidic chemical sensors

Tweedie, M., Sun, D., Ward, B. & Maguire, P., 7 Apr 2019, In : Lab on a Chip. 19, 7, p. 1287-1295 9 p.

Research output: Contribution to journalArticle

Chemical sensors
Microfluidics
Membranes
Methacrylates
Thermoplastics
20 Citations (Scopus)

Continuous In-Flight Synthesis for On-Demand Delivery of Ligand-Free Colloidal Gold Nanoparticles

Maguire, P., Rutherford, D., Macias-Montero, M., Mahony, C., Kelsey, C., Tweedie, M., Perez-Martin, F., McQuaid, H., Diver, D. & Mariotti, D., 1 Mar 2017, In : Nano Letters. 17, 3, p. 1336-1343

Research output: Contribution to journalArticle

Open Access
File
Gold Colloid
delivery
Gold
Ligands
flight
4 Citations (Scopus)
Open Access
4 Citations (Scopus)

High-strength thermoplastic bonding for multi-channel, multi-layer lab-on-chip devices for ocean and environmental applications

Sun, D., Tweedie, M., Gajula, D., Ward, B. & Maguire, P., 5 Aug 2015, In : Microfluidics and Nanofluidics. 19, 4, p. 913-922 10 p.

Research output: Contribution to journalArticle

Open Access
high strength
Thermoplastics
oceans
chips
Polymethyl Methacrylate
16 Citations (Scopus)

A comparative study of the growth, microstructural and electrical properties of multiwall CNTs grown by thermal and microwave plasma enhanced CVD methods

Mathur, A., Wadhwa, S., Tweedie, M., Hazra, K., Dickinson, C., Roy, SS., Mitra, SK., Misra, DS. & McLaughlin, JAD., 21 Jul 2011, In : Physica E: Low-dimensional Systems and Nanostructures. 44, 1, p. 29-36

Research output: Contribution to journalArticle

Open Access
Carbon Nanotubes
Plasma CVD
Plasma enhanced chemical vapor deposition
Chemical vapor deposition
Electric properties