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Title: Biocompatible surface functionalization architecture for a diamond quantum sensor

Journal Article · · Proceedings of the National Academy of Sciences of the United States of America
ORCiD logo [1];  [2]; ORCiD logo [3];  [2]; ORCiD logo [4];  [5]; ORCiD logo [6];  [3]; ORCiD logo [1]
  1. Pritzker School of Molecular Engineering, The University of Chicago, Chicago, IL 60637
  2. Department of Physics, The University of Chicago, Chicago, IL 60637
  3. Department of Electrical and Computer Engineering, Princeton University, Princeton, NJ 08544
  4. Department of Chemistry, The University of Chicago, Chicago, IL 60637
  5. Center of MicroNanoTechnology, École Polytechnique Fédérale de Lausanne, Lausanne CH-1015, Switzerland
  6. Institute of Microengineering, École Polytechnique Fédérale de Lausanne, Lausanne, CH-1015, Switzerland

Significance Diamond-based quantum sensing enables nanoscale measurements of biological systems with unprecedented sensitivity. Potential applications of this emerging technology range from the investigation of fundamental biological processes to the development of next-generation medical diagnostics devices. One of the main challenges faced by bioquantum sensing is the need to interface quantum sensors with biological target systems. Specifically, such an interface needs to maintain the highly fragile quantum states of our sensor and at the same time be able to fish intact biomolecules out of solution and immobilize them on our quantum sensor surface. Our work overcomes these challenges by combining tools from quantum engineering, single-molecule biophysics, and material processing.

Research Organization:
University of Chicago, IL (United States)
Sponsoring Organization:
National Science Foundation (NSF); Swiss National Science Foundation (SNSF); US Department of Defense (USDOD); USDOE
OSTI ID:
1846056
Journal Information:
Proceedings of the National Academy of Sciences of the United States of America, Journal Name: Proceedings of the National Academy of Sciences of the United States of America Journal Issue: 8 Vol. 119; ISSN 0027-8424
Publisher:
Proceedings of the National Academy of SciencesCopyright Statement
Country of Publication:
United States
Language:
English

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