The University of Macau (UM) held the 26th UM Scholar Research Forum today (16 April), where Zhang Xuanjun, assistant dean of the Faculty of Health Sciences at UM, gave a talk titled ‘Nanochannel Sensors for Accurate Detection of Toxic Substances and Food Additives’. The talk attracted a full house, with many secondary school students and teachers attending online.
During the talk, Prof Zhang discussed the amplification effect of nanoconfinement on ion current signals. He revealed, for the first time, the critical role of wettability in achieving high-performance formaldehyde sensing from an innovative perspective of hydrophilic-hydrophobic balance. Prof Zhang also introduced several products developed by his team, such as the ‘Janus structure’ nanochannel sensors for accurate detection of toxic substances, molecular probes for bioimaging and sensing, and photosensitisers for effective photodynamic therapy of cancer.
| Source: Research Services and Knowledge Transfer Office | |
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