Cheng Research Group

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Project Highlights

Enzyme-mimic biosensor based on electrocatalytic molecularly imprinted polymer Enzyme-mimic biosensor enables cortisol detection via electrocatalytic reduction Functional hybrid polymer for multiplexed metabolite detection Wearable biosensor enables direct detection of sweat cortisol and DHEA Nanoimprinted nanostructure for optical devices Quantum dot LED with enhanced light extraction Red and green carbon dots with high Stokes shift facilitating color conversion Microprinting using red and green carbon dot inks

About us

We exploit the unique physical and chemical properties associated with nanoscale to develop new materials for sensors and transducers. Our research focuses on the nexus between novel device development and biomedical engineering, currently exploring topics such as


  • Nanomaterials and scalable nanofabrication
  • Functional materials for biosensing
  • Enhanced photosensors and light-emitting devices through hybrid materials and light-matter interactions

NEWS

Enzyme-mimic biosensors based on electrocatalytic functional polymer enable rapid, label-free detection of sweat metabolites. (ACS Appl. Mater. Interfaces 2023, 15, 11, 13971–13982) 

Hybrid Functional Polymer-Enabled Multiplexed Chemosensor Patch for Wearable Adrenocortex Stress Profiling. (ACS Appl. Mater. Interfaces 2023, 15, 43, 50034–50046) 


• “Artificial Enzyme Detects Cortisol Levels in Sweat,” 24 March 2023, The Engineer. 

• “Researchers Create Artificial Enzyme for Fast Detection of Disease-related Hormone in Sweat,” 22 March 2023, Phys.org. 

• “Scientists Develop Rapid Cortisol-Detecting Sensor for Stress and Disease Management,” 22 March 2023, Psychreg. 

• “OSU Researchers Create Artificial Enzyme for Fast Detection of Disease-related Hormone in Sweat,” 22 March 2023, Eurekalert. 

• “Researchers Create Artificial Enzyme for Fast Detection of Disease-related Hormone in Sweat,” 22 March 2023, Sciencedaily. 

• “New Sensor Tests Sweat for Cortisol and Provides Result in Eight Minutes”, 23 March 2023, Technology Networks. 

• “Researchers Create Artificial Enzyme for Fast Detection of Disease-related Hormone in Sweat,” March, Today Headline. 

• “Researchers Create Artificial Enzyme For Fast Detection Of Disease-Related Hormone In Sweat”, 24 March 2023, News Azi. 

• “Researchers Create Artificial Enzyme For Fast Detection Of Disease-Related Hormone In Sweat — ScienceDaily,”, 24 March 2023, Verve Times. 

• “Results in 8 Minutes: New Handheld Sensor Tests Sweat for Disease-Related Hormone,”, 11 April 2023, SciTechDaily. 

• “New Handheld Sensor Tests Sweat for Disease-Related Hormone,”, April 2023, Today Headline.  

 

 

Highly fluorescent carbon dots with large Stokes shifts enable efficient color coversion for display applications. (J. Mater. Chem. C, 2023,11, 11476-11485) Journal selected HOT paper.

 

Li-Jing Larry Cheng

Associate Professor
Electrical Engineering & Computer Science
Oregon State University
1148 Kelley Engineering Center,
Corvallis, OR 97331
chengli@eecs.oregonstate.edu
(541)737-8218

Electrical Engineering & Computer Science | Oregon State University