Author

Xiao-Ying Zhao

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Open access Sep 2026

A target-responsive and signal-amplified DNA hydrogel biosensor for visual and quantitative detection of aflatoxin B1

Aflatoxin B1 (AFB1) poses a severe threat to food safety due to its potent carcinogenicity. To address the need for rapid and on-site detection, this study developed a colorimetric biosensor based on an AFB1-responsive DNA aptamercross-linked sodium alginate hydrogel. Gold nanoparticles (AuNPs) were encapsulated within...

Hao-Jie Du, Hao-Yue Liu, Yong-Shuai Li et al. · Journal of Food and Drug Ana... · 0 citations

#protein folding Sep 2026

Aptamer-Based Sensing with Fluorescent Light-Up DNA.

A novel aptamer-based fluorescent sensor using Lettuce indicator, a light-up DNA aptamer that adopts a precise three-dimensional structure, which enables it to selectively bind and activate the otherwise non-fluorescent small-molecule fluorophore, generating a target-dependent fluorescent signal.

Xin Ji, Ran-Ran Hou, Hai Bao et al. · Analytical Chemistry · 0 citations