Nanotechnology

Nanosensor Platform Could Advance Detection of Ovarian Cancer

A new platform uses machine learning techniques to efficiently analyze spectral signatures of carbon nanotubes to detect biomarkers of ovarian cancer and to recognize the...

Biodegradable Millirobot Releases Targeted Drugs

A nanofiber-based biodegradable millirobot, called Fibot, can move in the intestines and degrade in response to the pH of its environment, thus releasing different drugs in different...

Nanomaterial Improves Insulin’s Effects

Researchers have developed a compound consisting of insulin bound to a string of amino acids that includes an antioxidant group. An earlier study in mice suggested this nanomaterial’s...

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...

Nanotech-Based Optical Sensor Improves COVID-19 Detection

Researchers have developed a rapid test for COVID-19 using nanotechnology-based optical sensors. The sensor has high sensitivity and specificity to the spike protein RBD of...

Microparticles Pave Way for Microfluidic Devices

The research offers potential inspiration for microfluidic pumps that allow the controlled flow of liquids.

Tiny Thermometer Measures Temperature in Nanopores

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

DNA Nanotechnology Tools Help Develop New Therapies

A suite of diverse, multifunctional DNA nanotechnological tools offers unique capabilities.

COVID Breathalyzer Allows Mass Screenings in Public

A prototype “breathalyzer” accurately diagnoses COVID-19, even in asymptomatic individuals, in less than 5 minutes.

Needle-Free Device Collects Blood Samples

A new technology offers a needle-free, painless and easy-to-use method for collecting blood samples.

Skin Sensors Monitor Health

Skin-sensing wearables coat copper nanowires with graphene oxide.

Silicone Nanochip Can Reprogram Biological Tissue in Living Body

The noninvasive nanochip applies a harmless electric spark to deliver specific genes in a fraction of a second.

Suture of the Future Fights Infection

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

‘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.

New Products and Services: January 2022 Medical Design Briefs

A thermal cycling calculator, a universal machining center, microdrills, and more.

Winter 2021 Resource Guide

In our winter edition of the MDB Resource Guide, learn about new cleaning requirements and find the right company to match your medical-design needs.

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...

Flexible Device Treats Hearing Loss Without Batteries

As a step toward an advanced artificial cochlea, researchers have developed a conductive membrane that translates sound waves into matching electrical signals when implanted inside a...

Micron-Sized Lab-on-a-Chip Devices

Researchers have demonstrated the ability to create microfluidic lab-on-a-chip devices with channels and valves smaller than ever before.

Woven Nanotube Fibers Turn Heat into Power

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

3D Printable Polymer Nanocomposite Ink

The 3D printable nanocomposite polymeric ink uses carbon nanotubes.

Self-Powered Implantable Stimulates Fast Bone Healing

When placed over a fracture, the device generates electricity from movement, accelerating bone healing.

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.

Soft Microrobots Demonstrate Potential for Targeted Drug Delivery

Tiny tumbling soft robots that can be controlled with rotating magnetic fields can climb slopes, tumble upstream against fluid flow, and deposit substances at precise...

Actuator Discovery Could Improve Biomedical Robotics

Researchers are reporting a breakthrough in the field of materials science and engineering with the development of an electrochemical actuator that uses specialized organic...

Tiny Wireless Device Illuminates Neuron Activity in the Brain

Researchers are creating new tools for a method called optogenetics, which shines light at specific neurons in the brain to excite or suppress activity.