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Northwestern University Articles

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Artificial Intelligence
16th October 2023
Nanoelectronic device performs real-time AI classification

Northwestern University engineers have developed a new nanoelectronic device that can perform accurate machine-learning classification tasks in the most energy-efficient manner yet.

Optoelectronics
21st June 2018
Chameleon-inspired nanolaser changes colours

As a chameleon shifts its colour from turquoise to pink to orange to green, nature’s design principles are at play. Complex nano-mechanics are quietly and effortlessly working to camouflage the lizard’s skin to match its environment. Inspired by nature, a Northwestern University team has developed a novel nanolaser that changes colours using the same mechanism as chameleons.

Medical
13th June 2018
Regenerative bandage accelerates healing in diabetic wounds

A simple scrape or sore might not cause alarm for most people. But for diabetic patients, an untreated scratch can turn into an open wound that could potentially lead to a limb amputation or even death. A Northwestern University team has developed a device called a regenerative bandage, that quickly heals these painful, hard-to-treat sores without using drugs. During head-to-head tests, Northwestern’s bandage healed diabetic wounds 33%...

Medical
21st March 2018
Developing more sensitive cancer diagnostics

Detecting cancer in the body usually happens when the disease is already well underway to being mortally dangerous. Although there’s a myriad of cancers and ways to detect them, diagnostic tests typically look for biomarkers produced by tumors. And the bigger the tumor, the more biomarkers it releases, so the bigger it is the easier it is to detect. To get at the disease at its earlier stage, it would be useful to detect processes within ce...

Medical
21st February 2018
Stretchable electronics could improve stroke recovery treatment

A wearable designed to be worn on the throat could be a game-changer in the field of stroke rehabilitation. Developed in the lab of John Rogers, PhD, professor of Neurological Surgery and at the McCormick School of Engineering, in partnership with Shirley Ryan AbilityLab, the sensor is the latest in Rogers’ growing portfolio of stretchable electronics that are precise enough for use in advanced medical care and portable enough to be wo...

Medical
15th February 2018
Injectable nanomaterials for sustained delivery of drugs

Because they can be programmed to travel the body and selectively target cancer and other sites of disease, nanometer-scale vehicles called nanocarriers can deliver higher concentrations of drugs to bombard specific areas of the body while minimising systemic side effects. Nanocarriers can also deliver drugs and diagnostic agents that are typically not soluble in water or blood as well as significantly decrease the effective dosage.

Component Management
24th January 2018
Optical materials could lead to light bending devices

Northwestern University researchers have developed a first-of-its-kind technique for creating entirely new classes of optical materials and devices that could lead to light bending and cloaking devices — news to make the ears of Star Trek’s Spock perk up. Using DNA as a key tool, the interdisciplinary team took gold nanoparticles of different sizes and shapes and arranged them in two and three dimensions to form optically active ...

Medical
8th August 2017
‘Origami organs’ could regenerate tissues

Northwestern Medicine scientists and engineers have invented a range of bioactive 'tissue papers' made of materials derived from organs that are thin and flexible enough to even fold into an origami bird. The new biomaterials can potentially be used to support natural hormone production in young cancer patients and aid wound healing. The tissue papers are made from structural proteins excreted by cells that give organs their form and structu...

Component Management
23rd May 2017
Simple building blocks produce complex 3D material

Northwestern University scientists have built a structurally complex material from two simple building blocks that is the lowestDensity metal-organic framework ever made. Directed by design rules developed by the scientists, uranium atoms and organic linkers self-assemble into a beautiful crystal—a large, airy 3D net of very roomy and useful pores. The pores are so roomy, in fact, that the scientists have nestled a large enzyme in...

Medical
17th May 2017
3D printed ovaries produce healthy offspring

The brave new world of 3D printed organs now includes implanted ovary structures that, true to their design, actually ovulate, according to a study by Northwestern University Feinberg School of Medicine and McCormick School of Engineering. By removing a female mouse's ovary and replacing it with a bioprosthetic ovary, the mouse was able to not only ovulate but also give birth to healthy pups. The moms were even able to nurse their young.

Medical
28th March 2017
A breakthrough in the fight against female reproductive disease

Northwestern Medicine has developed a miniature female reproductive tract that fits in the palm of your hand and could eventually change the future of research and treatment of diseases in women's reproductive organs. This 3D technology - called EVATAR - is made with human tissue and will enable scientists to conduct much-needed testing of new drugs for safety and effectiveness on the female reproductive system.

Component Management
9th March 2017
Material can regrow bone

  A team of researchers repaired a hole in a mouse's skull by regrowing "quality bone," a breakthrough that could drastically improve the care of people who suffer severe trauma to the skull or face.

Component Management
6th March 2017
Researchers design most complex nanoparticle crystal

The most complex crystal designed and built from nanoparticles has been reported by researchers at Northwestern University and the University of Michigan. The work demonstrates that some of nature's most complicated structures can be deliberately assembled if researchers can control the shapes of the particles and the way they connect using DNA.

Component Management
20th February 2017
Designing advanced materials from 'small' data

Finding new functional materials is always tricky. But searching for very specific properties among a relatively small family of known materials is even more difficult. But a team from Northwestern Engineering and Los Alamos National Laboratory found a workaround. The group developed a novel workflow combining machine learning and density functional theory calculations to create design guidelines for new materials that exhibit useful electro...

Analysis
14th February 2017
Nanofabricated devices turned into ultrasensitive microphones

A tiny, transparent device that can fit into a contact lens has a bright future, potentially helping a range of scientific endeavours from biomedicine to geology. Developed by Northwestern University scientists, the device, called the Micro-ring resonator detector, can determine the speed of the blood flow and the oxygen metabolic rate at the back of the eye. This information could help diagnose such common and debilitating diseases as macul...

Medical
9th February 2017
Myopia cell discovered in retina

Northwestern Medicine scientists have discovered a cell in the retina that may cause myopia when it dysfunctions. The dysfunction may be linked to the amount of time a child spends indoors and away from natural light. "This discovery could lead to a new therapeutic target to control myopia," said Greg Schwartz, lead investigator and assistant professor of ophthalmology at Northwestern University Feinberg School of Medicine.

Wearables
24th November 2016
Microfluidic 'lab on the skin' developed for sweat analysis

A Northwestern University research team has developed a first-of-its-kind soft, flexible microfluidic device that easily adheres to the skin and measures the wearer's sweat to show how his or her body is responding to exercise. A little larger than a quarter and about the same thickness, the simple, low-cost device analyses key biomarkers to help a person decide quickly if any adjustments, such as drinking more water or replenishing electrol...

3D Printing
30th September 2016
Biomaterial to build better bones with 3D printing

A Northwestern Engineering research team has developed a 3D printable ink that produces a synthetic bone implant that rapidly induces bone regeneration and growth. This hyperelastic "bone" material, whose shape can be easily customised, one day could be especially useful for the treatment of bone defects in children. Bone implantation surgery is never an easy process, but it is particularly painful and complicated for children.

Renewables
25th August 2016
Electrical energy storage material aids EV charging

A powerful material developed by Northwestern University chemist William Dichtel and his research team could one day speed up the charging process of electric cars and help increase their driving range. An electric car currently relies on a complex interplay of both batteries and supercapacitors to provide the energy it needs to go places, but that could change.

Wireless
28th July 2016
Improving Internet with mid-wavelength infrared

With a growing number of people connecting to the Internet everyday, Internet cables are under the threat of a "bandwidth explosion." Free-space optical (FSO) communication is a promising candidate to lighten the load. FSO uses visible or infrared light to wirelessly transmit data through open air as opposed to using cables, which have limited bandwidth. The technology provides a low-cost and low-power alternative to traditional radio-freque...

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