Data-driven study in Organic Geochemistry
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Here are some of our research areas of interest.

Multiple complementary techniques were applied to track the composition and property changes of DOM along the vertical profile in a large deep tributary of the world’s largest Three Gorges Reservoir. The vertical increase of DOM recalcitrance likely contributes to the enhancement of organic carbon burial in TGR during the water-level rising period. (Wang et al., 2021, WR, advised by Prof. He)

The release and oxic transformation of oxygen-deficient aromatic compounds from sediment porewater could contribute to the refractory carbon pool of estuarine water, impacting the carbon transport from the land to the ocean. (Zhou et al., 2022, WR, advised by prof. He)

Abundances of δ2H and δ13C values of n-alkanes were measured from plants across a coastal wetland. Most of the geochemical proxies differed among plant habitats and between leaves and roots. Differences in the isotopic values are larger among plants than between the leaves and roots. (He et al., 2020, GCA)

Stable isotopes of taraxerol in mangroves leaves were imprinted in surface sediments, and early diagenesis may not significantly alter δ2H values of taraxerol. (He et al., 2022, GCA)

Random Forest classification models were used to effectively distinguish the samples from different habitats, and further assess the environmental specificity among the 123 biomarker compounds. (Tao et al., 2021, Chemical Geology, advised by Prof. He)

Predicting the carbon stable isotope compositions offshore China by using the inherent molecular compositions of SPE-DOM based on advanced machine learning models. (Yi et al., In Preparation)

Our Molecular Fingerprint Platform

Launched by the DREAM group at HKUST, the molecular fingerprint platform (MFP) is an advanced online system specially designed to provide multiple powerful functions to speed up research of natural organic matter in the world. Over 53000 molecules from 1800+ samples from various ecosystems are collected and integrated in our platform. Scientists are warmly encouraged to upload their molecular fingerprint data and enjoy the convenience and robustness of this versatile ‘expert’ to explore the mystery of the molecular world!

We are excited to announce that the MFP officially publishes on 11th Nov 2022, Don’t hesitate to have the first try!