1. PORTABLE AND WEARABLE SENSING TECHNOLOGIES FOR BIOCHEMICAL DETECTION <br>1.1 Biochemical Detection: Increasing Demands and Challenges <br>1.2 Portable Sensing Technologies: Efficient Biochemical Analysis <br>1.3 From Portable to Wearable: Towards in situ Biosensing <br>1.4 Summary and outlook <br> <br>2 PORTABLE ELECTROCHEMICAL SENSING SYSTEMS <br>2.1 Fundamentals of portable electrochemical sensing systems <br>2.2 Techniques of portable electrochemical measurement <br>2.3 Fabrication of portable electrochemical systems <br>2.4 Applications of portable electrochemical sensing systems <br>2.5 Summary and outlook <br> <br>3 PORTABLE OPTICAL SENSING SYSTEMS <br>3.1 Fundamentals of portable optical sensing systems <br>3.2 Plasmonic sensing-based portable optical systems <br>3.3 Scattering sensing-based portable optical systems <br>3.4 Chemiluminescence sensing-based portable optical systems <br>3.5 Colorimetric sensing-based portable optical systems <br>3.6 Summary and outlook <br> <br>4 PORTABLE OPTICAL-ELECTROCHEMICAL COUPLED SENSING SYSTEMS <br>4.1 Fundamentals of Optical-Electrochemical Coupled Sensing Systems <br>4.2 Optical-Electrochemical Coupled Sensing Techniques <br>4.3 Fabrication of optical-electrochemical coupled electrodes <br>4.4 Construction of portable optical-electrochemical coupled systems <br>4.5 Summary and outlook <br> <br>5 SMARTPHONE-BASED PORTABLE SENSING SYSTEMS FOR POINT-OF-CARE DETECTIONS <br>5.1 Smartphone-based optical sensing system <br>5.2 Smartphone-based electrochemical system <br>5.3 Smartphone-based photoelectrochemical (PEC) system <br>5.4 Smartphone-based point-of-care detections <br>5.5 Summary and outlook<br> <br>6 FLEXIBLE ELECTRONICS FOR WEARABLE SENSING SYSTEMS <br>6.1 Flexible electronics: definition and development <br>6.2 Advantages of flexible electronics in wearable sensing <br>6.3 Fabricating wearable sensing systems with flexible electronic technologies <br>6.4 Wearable sensing systems fabricated by using flexible electronic technologies <br>6.5 Summary and Outlook <br> <br>7 WEARABLE SENSORS FOR IN SITU BIOFLUIDS ANALYSIS <br>7.1 Wearable Sensors for Sweat Analysis <br>7.2 Wearable Sensors for Saliva Analysis <br>7.3 Wearable Sensors for Interstitial fluid (ISF) analysis <br>7.4 Wearable Sensors for Tear Analysis <br>7.5 Summary and Outlook <br> <br>8 WEARABLE SENSORS FOR IN SITU BREATH ANALYSIS <br>8.1 Wearable Breath Sensors for Physiological Monitoring <br>8.2 Wearable Breath Sensors for Volatile Markers Analysis <br>8.3 Wearable Breath Sensors for Virus Detection <br>8.4 Summary and Outlook <br> <br>9 WEARABLE SENSORS FOR WOUND DIAGNOSIS AND CLOSE-LOOP THERAPEUTICS <br>9.1 Wearable Sensors for Wound Monitoring <br>9.2 Wearable Drug Delivery for Wound Treatment <br>9.3 Integrating Wearable Sensors with Wearable Therapy <br>9.4 Close-Loop Therapeutics with Wearable Devices <br>9.5 Summary and outlook <br> <br>10 SELF-POWERED SENSORS FOR WEARABLE DETECTIONS <br>10.1 Biofuel-based sensors <br>10.2 Thermoelectric Nanogenerator-based sensors <br>10.3 Triboelectric Nanogenerator-based sensors <br>10.4 Piezoelectric Nanogenerator-based sensors <br>10.5 Summary and outlook<br>