Research output per year
Research output per year
Personal profile
Personal profile
Our project will develop in-field assessment of grape quality, composition and fungal taint compounds. The work builds upon our expertise for quantifying volatiles linked to grape fungal infection and will extend to volatiles linked to wine faults and taints.
Currently, the focus is on developing a rapid and direct method for the detection of volatile grape biomarkers using mass spectrometry. Firstly, a library of different adsorbent materials with ultrahigh surface areas that selectively capture our target compounds will be developed and characterized. Secondly, a new sampling and ionization source for mass spectrometry will be developed that enables analytes to be selectively and rapidly detected by integrating thermal desorption with ambient ionization for the first time. The performance of this library of thermal desorption materials and this ionization approach will be compared to that of commercially available materials (e.g., polymer Tenax) and instrumentation (i.e. gas chromatography mass spectrometry).
Education/Academic qualification
Chemistry, PhD, University of New South Wales
15 Feb 2014 → 15 Jun 2017
Award Date: 15 Oct 2017
External positions
Visiting Fellow, University of New South Wales
18 Feb 2019 → …
Subject keywords
- Ambient mass spectrometry
- Analytical Chemsitry
- Biosecurity
- material science
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Research output
- 130 Citations
- 7 h-Index
- 7 Article
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Nanosecond pulsed dielectric barrier discharge ionization mass spectrometry
Ahmed, E., Xiao, D., Dumlao, M., Steel, C., Schmidtke, L., Fletcher, J. & Donald, W. A., 21 Feb 2020, In: Analytical Chemistry. 92, 6, p. 4468-4474 7 p.Research output: Contribution to journal › Article › peer-review
9 Citations (Scopus) -
Internal energy deposition in dielectric barrier discharge ionization is significantly lower than in direct analysis in real-time mass spectrometry
Dumlao, M., Khairallah, G. N. & Donald, W. A., 2017, In: Australian Journal of Chemistry. 70, 11, p. 1219-1226 8 p.Research output: Contribution to journal › Article › peer-review
11 Citations (Scopus) -
Effects of different waveforms on the performance of active capillary dielectric barrier discharge ionization mass spectrometry
Dumlao, M. C., Xiao, D., Zhang, D., Fletcher, J. & Donald, W. A., Nov 2016, In: Journal of the American Society for Mass Spectrometry. 28, 4, p. 575-578 4 p.Research output: Contribution to journal › Article › peer-review
10 Citations (Scopus) -
Solid-phase microextraction low temperature plasma mass spectrometry for the direct and rapid analysis of chemical warfare simulants in complex mixtures
Dumlao, M. C., E. Jeffress, L., Gooding, J. J. & Donald, W. A., 2016, In: Analyst. 141, 12, p. 3714-3721 8 p.Research output: Contribution to journal › Article › peer-review
Open AccessFile25 Citations (Scopus)1 Downloads (Pure) -
Benzylammonium thermometer ions: Internal energies of ions formed by low temperature plasma and atmospheric pressure chemical ionization
Stephens, E. R., Dumlao, M., Xiao, D., Zhang, D. & Donald, W. A., Dec 2015, In: Journal of the American Society for Mass Spectrometry. 26, 12, p. 2081-2084 4 p.Research output: Contribution to journal › Article › peer-review
17 Citations (Scopus)