期刊
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
卷 111, 期 51, 页码 18162-18166出版社
NATL ACAD SCIENCES
DOI: 10.1073/pnas.1415403111
关键词
RFID; NFC; sensor; nanomaterials; wireless
资金
- US Army Research Laboratory
- US Army Research Office through the Institute for Soldier Nanotechnologies [W911NF-13-D-0001]
- Massachusetts Institute of Technology Deshpande Center for Technological Innovation
- National Institutes of Health under National Cancer Institute [F32CA157197]
Chemical sensing is of critical importance to human health, safety, and security, yet it is not broadly implemented because existing sensors often require trained personnel, expensive and bulky equipment, and have large power requirements. This study reports the development of a smartphone- based sensing strategy that employs chemiresponsive nanomaterials integrated into the circuitry of commercial near-field communication tags to achieve non-line-of-sight, portable, and inexpensive detection and discrimination of gas-phase chemicals (e.g., ammonia, hydrogen peroxide, cyclohexanone, and water) at part-per-thousand and part-per-million concentrations.
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