Electrochemical Sensors Based on Enzyme-Linked Immunosorbent Assay

Researchers at NASA Ames Research Center developed an electrochemical, bead-based biological sensor based on Enzyme-Linked Immunosorbent Assay (ELISA) combining a magnetic concentration of signaling molecules and electrochemical amplification using wafer-scale fabrication of microelectrode arrays. Read on to learn more.

Designing Safer, Higher-Performance Lithium Batteries

Examining lithium metal batteries using nuclear magnetic resonance spectroscopy may help in the design of new electrolytes and anode surfaces for high-performance batteries. Read on to learn more.

Self-Powered Sensor for Harvesting Magnetic Energy

Because it requires no battery that must be recharged or replaced, and because it requires no special wiring, such a sensor could be embedded in a hard-to-reach place, like inside the inner workings of a ship’s engine. There, it could automatically gather data on the machine’s power consumption and operations for long periods of time.

4D Printing of Smart Materials with Electromechanical Properties

Researchers at Universidad Carlos III de Madrid (UC3M) have created software and hardware for a 4D printer with applications in the biomedical field.

Micro-Device Detects Bacteria and Viruses

Researchers were able to successfully isolate bacteria from various fluids with a microparticle-based matrix filter. The filter trapped particles in small voids in the device, providing a larger concentration of bacteria for analysis.

Revolutionizing Motion Control with Linear Motors

As the demand grows for increased productivity, higher product quality, rapid development time, and lower engineering costs, adopting linear motor technology is increasingly popular by leveraging modular linear motor designs.

Magnetic Bearing Technology Enables Environmental Control for Human Space Exploration

Leveraging a high-speed permanent magnet motor, an environmental control system aboard the ISS represents a step change toward electrification and optimization.

Revolutionizing High-Performance Computer Memory Storage

Magnets generate invisible fields that attract certain materials. Far more important to our everyday lives, magnets also can store data in computers. Exploiting the direction of the magnetic field, microscopic bar magnets each can store one bit of memory as a zero or a one — the language of computers.

Coherent Correlation Imaging Helps Understand Changes in Magnetic Materials

Scientists used a novel analysis technique — called coherent correlation imaging (CCI) — to image the evolution of magnetic domains in time and space without any previous knowledge.

Multi-Pixel Magnetic Sensing Gives Robots the Gentle Touch

A reliable and cost-effective sense of touch now lets robots handle fragile objects to fulfill an even wider variety of tasks and interact more safely with humans.

Ionic Magnetic Resonance Tailors Animal Cells/Tissues

An apparatus and method that controls the growth and proliferation of 3D biological cells and mammalian tissue in the presence of a pulsating, alternating ionic magnetic resonance field.

Sensor Can Detect Scarred or Fatty Liver Tissue

Diagnosing liver damage earlier could help to prevent liver failure in many patients.

Nanomagnets Can Perform AI-Like Processing

The new method could slash the energy cost of AI.

Noninvasive Therapy for Cartilage Regeneration

The PEMF device could be wrapped around synovial joints where cartilage-degrading inflammation is located.

3D-Printed Micro-Robots Hold Promise for Drug Delivery

Georgia Tech researchers have shown that robots about the size of a particle of dust are capable of precise bidirectional control. By harnessing the power of a magnetic field generated by a...

Bimodal “Electronic Skin”

Through the use of magnetic fields, scientists have developed an electronic sensor that can simultaneously process both touchless and tactile stimuli. Prior attempts have so far failed to combine these functions on...

Tiny Magnets to Create Miniaturizable Quantum Devices

A team of scientists at the U.S. Department of Energy's Argonne National Laboratory, have achieved efficient quantum coupling between two distant magnetic devices, which can host a certain...

Thermomagnetic Generators Convert Waste Heat into Electrical Power

Many technical processes only use part of the energy consumed. The remaining fraction leaves the system in the form of waste heat. Frequently, this heat is released into the...

Stabilization Control of a Self-Balancing Robotic Vehicle

Students designed important components for self-balancing two-wheeled robotic vehicle.

5 Ws of a Wearable Metamaterial

A newly designed wearable magnetic metamaterial could help make MRI scans crisper, faster, and cheaper.

Superlattice for Sustainable Quantum Electronics

The material could potentially provide a platform for error-free quantum computing.

Power Processing Unit for Small Spacecraft Electric Propulsion

This scalable power processing unit (PPU) is for use with low-power Hall effect thrusters.

Charging Room System Provides Electricity Over the Air

In-wall capacitors power lights, phones, and laptops without wires.

Using Magnets to Toggle Nanolasers Leads to Better Photonics

A new control mechanism may prove useful in devices that make use of optical signals.

One-Atom-Thin 2D Magnet

The ultrathin magnet could advance new applications in computing and electronics.

Magnets Improve Control of Prosthetic Limbs

A system uses tiny magnetic beads to rapidly measure the position of muscles and relay that information to a bionic prosthesis.

Sustainable 3D-Printed Magnets

An alternative, environmentally friendly production method creates permanent magnets.

Bipolar and Unipolar Drives for Stepper Motors: A Comparison

Learn the differences between bipolar and unipolar motors, their driving methods, and advantages and limitations.

Fine-Tuning Alloys for High-Temperature Use

Superalloys that withstand extremely high temperatures could be finely tuned for specific properties such as mechanical strength.