Skin Sensors Monitor Health

Skin-sensing wearables coat copper nanowires with graphene oxide.

‘Healthy’ Electric Current Produced Inside Human Body

New nanotechnology has many potential applications, including harvesting clean energy to operate devices implanted in the body through the body’s natural movements.

Noninvasive Test Detects Cancer Cells

A diagnostic nanoparticle can reveal the presence of cancerous proteins.

Microneedle Patch Delivers COVID-19 DNA Vaccine

The patch can be stored for 30 days at room temperature.

3D Printable Polymer Nanocomposite Ink

The 3D printable nanocomposite polymeric ink uses carbon nanotubes.

Woven Nanotube Fibers Turn Heat into Power

Flexible thermoelectric generators could be a useful way to make carbon "green."

Dissolvable Microneedle Patch Treats Baldness

A new dissolvable microneedle patch could treat baldness and help hair regrow quickly.

Thumb-Sized Device Quickly ‘Sniffs Out’ Bad Breath

A portable, thumb-sized device can quickly diagnose bad breath by “sniffing” exhalations.

Future Washable Smart Clothes Powered by Wi-Fi Will Monitor Health

A flexible, silk-based coil is sewn on the textile.

Nanosensor-Based Device Enables Early Detection of Sudden Cardiac Death

A nanosensor-based system measures cardiac micropotential energies.

Inkjet Printing Shows Promise for Making E-Textiles

Researchers have demonstrated that they can print layers of electrically conductive ink on polyester fabric.

Sensor Tracks Stress Hormone in Real Time

A prototype of a fluorescence-based sensor provides continuous detection of cortisol concentrations in real time.

Nontoxic, Flexible Energy Converters Could Power Wearable Devices

Researchers report the design and fabrication of single-wall carbon nanotube thermoelectric devices on flexible polyimide substrates as a basis for wearable energy converters.

Cohesive Circuit Protection for Wearable Electronics

The cellulose nanofiber coating counters bending damage and retains electrode function under water.

Kirigami-Style Fabrication Enables 3D Nanostructures

A new technique that mimics the ancient Japanese art of kirigami may offer an easier way to fabricate complex 3D nanostructures for use in applications, including healthcare.

E-Health Patches Monitor Pulse and Blood Pressure

The wireless patches power themselves with harvested energy.

Exosome-Coated Stent Heals Vascular Injury, Repairs Damaged Tissue

The stent delivers regenerative stem cell-derived therapy to blood-starved tissue.

Gold Nanoparticles Enable Long-Term Implantable Sensor ‘Tattoo’

The nanogold is implanted under the skin where it reports changes in drug concentrations by changing its color.

Biodegradable Nanoprobe Illuminates Tumors Brightly and Precisely

To highlight tumors in the body for cancer diagnosis, doctors can use tiny optical probes (nanoprobes) that light up when they attach to tumors.

Biosensor Measures Extracellular Hydrogen Peroxide

Researchers have developed a sensor for measuring concentrations of hydrogen peroxide in the vicinity of cell membranes, with nanometer-resolution.

Color Blindness-Correcting Contact Lenses

Infused lenses create a safer way to see colors.

Nanothermometers Improve Temperature Imaging

NIST researchers are in the early stages of a massive undertaking to design and build a fleet of tiny ultra-sensitive thermometers.

Stretchable Micro-Supercapacitors to Self-Power Wearable Devices

The system harvests energy from human breathing and motion.

Nanobiomaterial from Mites Shows Promise

A new nanomaterial from the silk produced by the Tetranychus lintearius mite has the ability to penetrate human cells without damaging them and, therefore, has promising biomedical properties.

Diamond-Studded Silk Wound Dressing Detects Infection and Improves Healing

Smart dressings made of silk and nanodiamonds effectively sensed wound temperature.

3D Printed ‘Invisible’ Fibers Can Sense Breath, Sound, and Cells

Researchers have used 3D printing to make electronic fibers, each 100 times thinner than a human hair, to create non-contact, wearable, portable respiratory sensors.

Mixing Silk with Polymers Could Lead to Better Biomedical Implants

Combining silk fabric with epoxy creates laminates that can be formed into shapes for medical uses.

Wearable Sensors Printed on Natural Materials Analyze Substances Present in Sweat

Researchers in Brazil have printed a wearable sensor from microbial nanocellulose, a natural polymer.

New Coating Process Lights Porous Electronics and Sensors

Researchers have shown how to coat glass and plastic with porous titanium dioxide.