Lens Offers Tunable Focus

A metasurface lens has been created that uses a piezoelectric thin film to change focal length when a small voltage is applied. Because it is extremely compact and lightweight, the new lens could be useful for...

Promising Brain Biosensor Monitors Health

Scientists have successfully tested in the lab a tiny biosensor they developed that can detect biomarkers tied to traumatic brain injuries. Researchers say their waterproof biosensor includes an...

Biodegradable Implant Could Help Doctors Monitor Brain Chemistry

A wireless, biodegradable sensor could offer doctors a way to monitor changes in brain chemistry without requiring a second operation to remove the implant, according to an...

Sensor Measures Pressure in Digestive Tract

As food moves through the digestive tract, contracting muscles along the tract keep things flowing smoothly. Loss of this motility can lead to acid reflux, failure of food to move out of the stomach,...

‘Seeing’ Nonuniformities in 2D Materials May Lead to New Medical Sensors

Detecting nonuniformities in optical properties opens the door to new uses

E-Nose Could Diagnose Parkinson’s

Researchers have developed a portable, artificially intelligent olfactory system.

New Thermofluidic Improves Lab-On-a-Chip Applications

Researchers have succeeded in moving tiny amounts of liquid at will by remotely heating water over a metal film with a laser.

Tiny Thermometer Measures Temperature in Nanopores

A thermometer directly monitors temperature changes when ions pass through a nanopore.

Researchers Develop Ultrathin Films for Stretchable and Sturdy Bioelectronic Membranes

The highly adaptable materials could lead to new classes of wearable devices.

Biosensor Monitors Disease Severity

Hokkaido University scientists and colleagues have designed a prototype biosensor that detects levels of ATP and lactates in a patient’s blood.

Wearable Sensors Measure Alcohol Concentration

Sensors that measure alcohol concentration through the skin can provide valid measures of drinking intensity.

Single-Use Sensor Strips Detect Cerebrospinal Fluid Leaks

A single-use sensor strip can be used with a circuit board.

Researchers Develop Soft, Stretchable Thermometer

The self-powered sensor can be integrated into soft robots or smart clothing.

3D Robotic Spine ‘Twin’ Offers New Way to Preview Surgical Procedures

The twins enable comparison of the effects of different surgical interventions in a patient-specific manner.

2022 Technology Trends: Digital Health Marks the Future of Medical Development

Going into 2022, remote monitoring, wearables, sensors, and other "mHealth" products are taking center stage.

Skin Sensors Monitor Health

Skin-sensing wearables coat copper nanowires with graphene oxide.

Tiny Chip-Based Device Performs Ultrafast Modulation of X-Rays

New optics-on-a-chip device paves way to capturing fast chemical, material, and biological processes.

Biosensors Measure Toxic Drugs in Cancer, Arthritis, and Organ Transplant Patients

Designer biosensors ‘switch on’ color or electrical responses to drugs.

Suture of the Future Fights Infection

The smart bandage can dispense antibiotic, monitor wound-healing biomarkers, and report important data directly to doctors.

Smartphone Platform Gives Early Warning for Cancer

A new platform provides visual detection analysis for lung cancer and ketosis/diabetes via different testing probes.

Stretchable Pressure Sensor Could Lead to Better Robotics, Prosthetics

The sensor can be stretched up to 50 percent with almost the same sensing performance.

Biosensor Enables Ultrafast Detection of COVID-19

Researchers have developed a genosensor that is efficient in detecting SARS-CoV-2.

Quantum Brain Sensors Could Spot Dementia

Quantum sensors for the brain may soon identify brain diseases like dementia, ALS, and Parkinson’s.

Biosensor Aids in Early Diagnosis of Breast Cancer

A prototype of a new biosensor helps detect breast cancer in its earliest stages. The development of this biosensor falls within the field known as liquid biopsy, which helps detect the...

Wearable Sensors Measure Body Position

Scientists have created wearable, stitchable, and sensitive sensors from flexible polymers and bundles of carbon fiber.

New Sensor Enables Precise, Sensitive Brain Imaging Tool

A supersensitive magnetometer detects and records brain electrical activity.

Monitoring Glucose Levels, No Needles Required

The wearable, noninvasive glucose monitoring device prototype is the first of its kind.

Licking a Tootsie Roll® Sensor to Monitor Health

The candy was used as an electrode to detect salt and electrolyte levels in saliva.

Sticking Sensors to Skin Without Adhesives

Researchers developed a method to bond human skin to rubber-like polymeric materials without an adhesive.