Highlights

• Kittleson, a senior from Baltic, will work under the direction of assistant professor Xiaojun Xian on a project that uses chemical sensing to detect changes in health.

• Kittleson is awarded $5,000 with $4,500 as a stipend and $500 to cover the cost of lab supplies or travel to disseminate the results of the project.

News Link

• College launches Future Innovators fellowships

Highlights

• Prof. Xian was invited to give a talk in Biomedical Engineering Society (BMES) Meeting in Brookings, SD.

• The title of the talk is "Wearable Sensors and Devices for Healthcare Monitoring".

Highlights

• Prof. Xian was invited to give a talk in Midwest Applied Materials Symposium (MAMS) in Brookings, SD.

• The title of the talk is "Wearable Bio/Chemical Sensors for Biomarkers and Personal Exposure Monitoring".

Highlights

• A wearable biosensing system for transdermal biomarkers detection

• Noninvasive, low-cost, and wearable tool for assessing dietary macronutrients

• The gradient-based colorimetric array capable for multiplexed detection of multiple analytes simultaneously

Paper Link

• Jingjing Yu, Di Wang, Vishal Varun Tipparaju, Wonjong Jung, and Xiaojun Xian, Detection of Transdermal Biomarkers of Macronutrients Intake Using Gradient-Based Colorimetric Array Sensor, Biosensors and Bioelectronics, 195, 113650 (2022)

Highlights

• Systematically evaluated packet losses in Android and iOS based wearable ecosystems

• Developed a mitigation protocol to address the data packet loss issue in Bluetooth Low Energy (BLE) for wearable healthcare ecosystems

Paper Link

• Vishal Varun Tipparaju, Kyle Mallires, Di Wang, Francis Tsow, and Xiaojun Xian, Mitigation of Data Packet Losses in Bluetooth Low Energy for Wearable Ecosystem, Biosensors, 11, 350 (2021)

Highlights

• Water-rich hydrogel-incorporated colorimetric gas sensor with high humidity tolerance

• Real-time detection of environmental gases in high humid conditions

Paper Link

• Jingjing Yu, Francis Tsow, Mora, S. Jimena, Vishal Varun Tipparaju, and Xiaojun Xian, Hydrogel-Assisted Colorimetric Sensors with High Humidity Tolerance for Environmental Gases Sensing, Sensors and Actuators B: Chemical, 345, 130404 (2021)

Highlights

• Developed a truly wearable sensor for continuous monitoring of transcutaneous carbon dioxide

• Integrated a miniaturized nondispersive infrared sensor with a hydrophobic membrane to address the humidity interference

Paper Link

• Vishal Varun Tipparaju, Sabrina Jimena Mora, Jingjing Yu, Francis Tsow, Xiaojun Xian, Wearable Transcutaneous CO₂ Monitor Based on Miniaturized Nondispersive Infrared Sensor, IEEE Sensors Journal, 21, 17327-17334 (2021)

Highlights

• Analyzed the mechanisms of the humidity interference

• Discussed the approaches to eliminate the humidity interference in colorimetric sensing of environmental gases and breath biomarkers

Paper Link

• Jingjing Yu, Di Wang, Vishal Varun Tipparaju, Francis Tsow, and Xiaojun Xian, Mitigation of Humidity Interference in Colorimetric Sensing of Gases, ACS Sensors, 6, 2, 303-320 (2021)

Highlights

• Vishal Varun Tipparaju defended a PhD thesis "Wearable Devices for Non-Invasive Cardiorespiratory Monitoring" on October 26, 2020.

• Vishal will work as a Senior software Engineer in Amazon.

• Congratulations, Vishal!! Wish you a successful career!

Highlights

• Designed and built a wearable, stand-alone, fully integrated mask device for accurate tracking of respiration in free-living conditions

• Accurate measurement of respiratory rate, tidal volume, respiratory minute volume, and peak flow rate

• Respiration pattern recognition via Principle Component Analysis (PCA) algorithms

Paper Link

• Vishal Varun Tipparaju, Di Wang, Jingjing Yu, Fang Chen, Francis Tsow, Erica Forzani, Nongjian Tao, and Xiaojun Xian, Respiration Pattern Recognition by Wearable Mask Device, Biosensors and Bioelectronics, 169, 112590 (2020)