Projects per year
Personal profile
Expertise
Prof. Dr. Gao is experienced in chemical speciation and biogeochemistry of trace metals in environment. Has advanced the application of chemical extraction, including aqua regia extraction, CEM microwave digestion and ICP-MS in investigating metal speciation and bioavailability. Pioneered the techniques of DET (Diffusive Equilibrium in Thin Films) and DGT (Diffusive Gradients in Thin Films) and has applied these techniques in waters and sediments. Advanced the extraction of mercury and methylmercury in waters, sediments, biological samples and developed gel technique of DGT for mercury speciation in aquatic system. Developing novel passive samplers for organic compounds and improving CALUX Bio-assay Screening technique. The research has advanced scientific understanding in several areas of environmental chemistry:
- biogeochemistry of trace metals in marine systems
- chemical speciation in aqueous environments
- dynamics of interactions between solution and solid phase in sediments
- the role of microniches in determining chemical processes in sediments
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Collaborations and top research areas from the last five years
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HERC77: Clumped and Curious: Isotopic Tales from the Microscale
Goderis, S. (Administrative Promotor), Claeys, P. (CoI (Co-Promotor)), Veselka, B. (CoI (Co-Promotor)), Elskens, M. (CoI (Co-Promotor)), Snoeck, C. (CoI (Co-Promotor)), Van den Brande, N. (CoI (Co-Promotor)), Vandam, R. (CoI (Co-Promotor)), Vervust, S. (CoI (Co-Promotor)), Gao, Y. (CoI (Co-Promotor)), Devos, Y. (CoI (Co-Promotor)) & Hauffman, T. (CoI (Co-Promotor))
1/05/26 → 30/04/30
Project: Fundamental
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VLIR441: Environmental Impact Assessment and Capacity Building for Sustainable Management of Xuan Thuy National Park,Nam Dinh Province, Vietnam
Gao, Y. (Administrative Promotor)
1/09/25 → 31/08/27
Project: Fundamental
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IRP25: GROW: Re-use of treated wastewater for irrigation, groundwater recharge and drinking water: environmental impacts and public perception
Huysmans, M. (Administrative Promotor), Bauwens, J. R. (CoI (Co-Promotor)), Verhoest, P. (CoI (Co-Promotor)), Elskens, M. (CoI (Co-Promotor)) & Gao, Y. (CoI (Co-Promotor))
1/11/24 → 31/10/29
Project: Fundamental
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HERC65: Inside-Out - The X-Ray approach
Snoeck, C. (Administrative Promotor), Goderis, S. (CoI (Co-Promotor)), Veselka, B. (CoI (Co-Promotor)), Olde Venterink, H. (CoI (Co-Promotor)), Kervyn De Meerendre, M. (CoI (Co-Promotor)), Lambert, B. (CoI (Co-Promotor)), Elskens, M. (CoI (Co-Promotor)), Vandam, R. (CoI (Co-Promotor)), Van den Brande, N. (CoI (Co-Promotor)), Tielens, F. (CoI (Co-Promotor)), Nys, K. (CoI (Co-Promotor)), Zekollari, H. (CoI (Co-Promotor)), Hauffman, T. (CoI (Co-Promotor)), Peeters, E. (CoI (Co-Promotor)), Claeys, P. (CoI (Co-Promotor)), Gao, Y. (CoI (Co-Promotor)), Rahier, H. (CoI (Co-Promotor)), Meulebroeck, W. (CoI (Co-Promotor)), Provyn, S. (CoI (Co-Promotor)), Leermakers, M. (CoI (Co-Promotor)), Thiery, W. (CoI (Co-Promotor)) & Devos, Y. (CoI (Co-Promotor))
1/05/24 → 30/04/28
Project: Fundamental
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SRP68: SRP-Onderzoekszwaartepunt: Earth: from Accretion to Anthropocene: Documenting 4.5 Billion Years of Global Changes
Claeys, P. (Administrative Promotor), Goderis, S. (Co-Promotor), Snoeck, C. (Co-Promotor), Elskens, M. (Co-Promotor), Gao, Y. (Co-Promotor), Kervyn De Meerendre, M. (Co-Promotor) & Huybrechts, P. (Co-Promotor)
1/11/22 → 31/10/27
Project: Fundamental
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Analytical strategy for speciation-resolved monitoring of labile arsenic using passive sampling and HPLC-ICP-MS
Palko Smolíková, V., Bakhturidze, L. (Contributor), Goderis, S. (Contributor), Gao, Y. (Contributor) & Leermakers, M. (Contributor), 14 Jul 2026.Research output: Unpublished contribution to conference › Poster
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Chemical availability in soils and sediments interpreted by coupled transport–reaction models of DGT (Diffusive Gradients in Thin-films) fluxes: Roles of dissolved ligands and finite sorption capacity
Galceran, J., Li, G., Sans Duñó, J., Rey-Castro, C., Puy, J., Gao, Y. & Cecília, J., Apr 2026, In: Geoderma. 468, p. 1-18 18 p., 117717.Research output: Contribution to journal › Article › peer-review
Open AccessFile1 Citation (Scopus)16 Downloads (Pure) -
Geochemical controls on trace element mobilization in contaminated estuarine sediments
Li, G., Jian, X., Lao, Z., Palko Smolíková, V., Wu, D., Leermakers, M., Guo, W., Baeyens, W. & Gao, Y., 15 Jul 2026, In: Journal of Hazardous Materials. 513, p. 1-13 13 p., 142533.Research output: Contribution to journal › Article › peer-review
Open Access -
Mercury treatment in late medieval European leprosaria? New data from human dental calculus
Fiorin, E., Perrot, V., Roberts, C. A., Chapelain de Seréville-Niel, C., Gao, Y., Snoeck, C. & Cristiani, E., Jan 2026, In: Journal of Archaeological Science. 185, 10 p., 106444.Research output: Contribution to journal › Article › peer-review
Open Access1 Citation (Scopus) -
Transformation of endocrine disrupting compounds in estuarine sediments under dry-wet cycles: Shift in metabolic pathways driven by microbial salinity dependence
Du, L., Guo, W., Li, D., Du, X., Li, Z., Zhang, X., Li, J., Huo, S. & Gao, Y., Mar 2026, In: Water Research. 291, p. 1-15 15 p., 125235.Research output: Contribution to journal › Article › peer-review
File1 Citation (Scopus)1 Downloads (Pure)
Prizes
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Laser Ablation Inductively Coupled Mass Spectrometry (LA-ICPMS), a tool for trace element analysis sampled with a Diffusive Gradients in Thin Films (DGT) probe
Gao, Y. (Recipient), 10 Aug 2010
Prize: Prize (including medals and awards)
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Measurements of ultra-trace level of elements in open ocean
Gao, Y. (Recipient), 15 Oct 2015
Prize: Prize (including medals and awards)
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Mobilisation of trace metals in the rhizosphere of rice
Gao, Y. (Recipient), 12 Dec 2014
Prize: Prize (including medals and awards)
Activities
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Small Great Project: Impact of microplastics on marine ecosystems
Lievens, S. (Organiser) & Gao, Y. (Organiser)
23 Jul 2025 → 24 Jul 2025Activity: Participating in or organising an event › Participating in or organizing a public lecture/debate
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MOBILIZATION AND DISTRIBUTION OF TRACE METALS IN THE SCHELDT SEDIMENTS
Li, G. (Speaker), Baeyens, W. (Contributor), Leermakers, M. (Contributor), Ma, T. (Contributor) & Gao, Y. (Contributor)
30 Jun 2025 → 3 Jul 2025Activity: Talk or presentation › Talk or presentation at a conference
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The influence of soil pretreatment and water use on trace metal bioavailability to crops via Diffusive Gradients in Thin films (DGT)
Vandeputte, D. (Speaker), Zawadzki, M. (Contributor), Speijer, L. (Contributor), Huysmans, M. (Contributor), Elskens, M. (Contributor) & Gao, Y. (Speaker)
20 Sept 2025Activity: Talk or presentation › Talk or presentation at a conference
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Oceanographic Ecosystems
Gao, Y. (Chair), Vandeputte, D. (Chair), Li, G. (Organiser), Jia, Y. (Organiser) & Lao, Z. (Organiser)
28 Aug 2024 → 29 Aug 2024Activity: Participating in or organising an event › Participating in or organizing a festival/exhibition
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Past and present carbon dynamics in the Scheldt estuary as traced by changes in the isotopic composition of dissolved inorganic and particulate organic carbon
Lievens, S. (Speaker), Maris, T. (Contributor), Gao, Y. (Contributor) & Brion, N. (Contributor)
6 Mar 2024Activity: Talk or presentation › Talk or presentation at a conference
Thesis
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BIOGEOCHEMICAL BEHAVIOUR OF TRACE METALS AND ORGANIC NUTRIENTS IN BELGIAN COASTAL AREAS
Ma, T. ((PhD) Student) & Gao, Y. (Promotor), Sept 2018Student thesis: Master's Thesis
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Development of the diffusive gradients in thin films technique (DGT) for platinum (Pt), palladium (Pd), and Rhodium (Rh) in natural waters
Tielens, F. (Jury), Gao, Y. (Promotor) & Aldulbur Alfakoury, E. ((PhD) Student), 1 Mar 2021Student thesis: Doctoral Thesis
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Impact of transient oxygenation on phosphorus cycling in Baltic Sea sediments
Luo, M. ((PhD) Student) & Gao, Y. (Promotor), Jul 2018Student thesis: Master's Thesis
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Use of Laser Ablation-ICP-Mass Spectrometry for the Study of Diadromous Fish Behaviour and for Phytoremendiation
Tuan Phung, A. ((PhD) Student), Gao, Y. (Co-promotor) & Baeyens, W. (Promotor), 2014Student thesis: Doctoral Thesis