Single-Atom Au Mesoporous SnO2 Nanospheres

Ultrasensitive low-temperature foodborne pathogen detection

Enables ppb-level detection of the Listeria biomarker 3-hydroxy-2-butanone at a low temperature of 50 °C with high sensitivity, fast response, and excellent selectivity, offering a low-power sensing material for early food-safety warning.

Feng, Bingxi · Feng, Youyou · Li, Ping · Zhu, Yongheng · Deng, Yonghui · Wu, Limin · Yue, Qin · Wei, Jing

ACS Nano 2024

Specifications

灵敏度

{'zh': '291.5', 'en': ''} ppm⁻¹

检测限

{'zh': '10', 'en': ''} ppb

Advantages

Response time 10 s

Operating temperature 50 °C