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Ultra-thin carbon electrodes are powerful tool for studying brain disorders

October 21, 2014 11:34 am | News | Comments

Researchers at the Univ. of Pennsylvania and The Children's Hospital of Philadelphia have used graphene to fabricate a new type of microelectrode that solves a major problem for investigators looking to understand the intricate circuitry of the brain. The see-through, one-atom-thick electrodes can obtain both high-resolution optical images and electrophysiological data for the first time.

When emotions control objects

October 20, 2014 11:51 am | by Cécilia Carron, EPFL | Videos | Comments

Sensors developed by SmartCardia, a spin-off from EPFL in Switzerland, use various biological...

Sound-powered chip to serve as medical device

October 17, 2014 9:18 am | by Tom Abate, Stanford Engineering | News | Comments

Medical researchers would like to plant tiny electronic devices deep inside our bodies to...

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Magnetic field opens and closes nanovesicle

September 24, 2014 9:18 am | Videos | Comments

Researchers in the Netherlands have managed to open nanovesicles in a reversible process and close them using a magnet. Previously, these vesicles had been “loaded” with a drug and opened elsewhere using a chemical process, such as osmosis. The magnetic method, which is repeatable, is the first to demonstrate the viability of another method.

Program predicts placement of chemical tags that control gene activity

September 22, 2014 9:20 am | by Susan Brown, Univ. of California, San Diego | News | Comments

Biochemists in California have developed a program that predicts the placement of chemical marks that control the activity of genes based on sequences of DNA. By comparing sequences with and without epigenomic modification, the researchers identified DNA patterns associated with the changes. They call this novel analysis pipeline Epigram and have made both the program and the DNA motifs they identified openly available to other scientists.

“Electronic skin” could improve early breast cancer detection

September 10, 2014 1:09 pm | News | Comments

For detecting cancer, manual breast exams seem low-tech compared to other methods such as MRI. But scientists are now developing an “electronic skin” that “feels” and images small lumps that fingers can miss. Knowing the size and shape of a lump could allow for earlier identification of breast cancer, which could save lives.

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Google's health startup forges venture with AbbVie

September 3, 2014 4:09 pm | News | Comments

An ambitious health startup from Google is teaming up with biotechnology drugmaker AbbVie in a $500 million joint venture that will try to develop new ways to treat cancer and other diseases such as Alzheimer's. The alliance announced Wednesday calls for Google Inc. and AbbVie Inc. to each invest $250 million in the project. An additional $1 billion may be poured into the project.

New DARPA program aimed at developing customized therapies

August 28, 2014 9:11 am | News | Comments

DARPA’s new Electrical Prescriptions (ElectRx) program was among the initiatives the White House highlighted this week as President Barack Obama addressed the need for new and more effective strategies for improving the health of service members, veterans and others. ElectRx goes beyond medication, aiming to explore neuromodulation of organ functions to help the human body heal itself.

Smartphone app can detect newborn jaundice in minutes

August 27, 2014 11:40 am | by Michelle Ma, Univ. of Washington | News | Comments

Newborn jaundice: It’s one of the last things a parent wants to deal with, but it’s unfortunately a common condition in babies less than a week old. Skin that turns yellow can be a sure sign that a newborn is jaundiced and isn’t adequately eliminating the chemical bilirubin. But that discoloration is sometimes hard to see. Researchers have developed a smartphone application that checks for jaundice in newborns.

Artificial retina: Physicists develop an interface to the optical nerve

August 7, 2014 9:49 am | News | Comments

Graphene has excellent biocompatibility thanks to its great flexibility and chemical durability, and its conducting properties suggest uses for prosthetic devices in humans. Physicists are now developing key components of an artificial retina made of graphene. These retina implants may one day serve as optical prostheses for blind people whose optical nerves are still intact.

Top U.S. research institutions announce major neuroscience collaboration

August 4, 2014 11:34 am | News | Comments

Several prominent leaders in neuroscience research have announced the formation of a collaboration aimed at making databases about the brain more usable and accessible for neuroscientists. With funding from GE, these institutions, which include the Kavli Foundation and Howard Hughes Medical Institute, will soon embark on this year-long project.

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MRI for quantum simulation and spin diagnostics

August 4, 2014 10:24 am | by S. Kelley and E. Edwards, Joint Quantum Institute | News | Comments

Magnetic resonance imaging (MRI) is best-known for its use in medicine, but because MRI operates by quantum principles it translates to other quantum systems. Recently, physicists at the Joint Quantum Institute have executed an MRI-like diagnostic on a crystal of interacting quantum spins. The technique reveals many features of their system, such as the spin-spin interaction strengths and the energies of various spin configurations.

Vision-correcting display makes reading glasses so yesterday

July 30, 2014 9:00 am | by Sarah Yang, UC Berkeley | Videos | Comments

What if computer screens had glasses instead of the people staring at the monitors? That concept is not too far afield from technology being developed by UC Berkeley computer and vision scientists. They are developing computer algorithms to compensate for an individual’s visual impairment, and creating vision-correcting displays that enable users to see text and images clearly without wearing eyeglasses or contact lenses.

New tools help neuroscientists analyze big data

July 28, 2014 4:45 pm | News | Comments

Big data can mean big headaches for scientists. A new library of software tools from Howard Hughes Medical Institute’s Janelia Research Campus speeds analysis of data sets so large and complex they would take days or weeks to analyze on a single workstation, even if a single workstation could do it at all. The new tool, Thunder, should help interpret data that holds new insights into how the brain works.

Researchers invent nanotech microchip to diagnose type-1 diabetes

July 14, 2014 9:22 am | News | Comments

A cheap, portable, microchip-based test for diagnosing type-1 diabetes could speed up diagnosis and enable studies of how the disease develops. Handheld microchips distinguish between the two main forms of diabetes mellitus, which are both characterized by high blood-sugar levels but have different causes. Until now, making the distinction has required a slow, expensive test available only in sophisticated healthcare settings.

MIT finger device reads to the blind in real time

July 8, 2014 10:30 am | by Rodrique Ngowi, Associated Press | News | Comments

Scientists at the Massachusetts Institute of Technology are developing an audio reading device to be worn on the index finger of people whose vision is impaired, giving them affordable and immediate access to printed words. The so-called FingerReader, a prototype produced by a 3-D printer, fits like a ring on the user's finger, and is equipped with a small camera that scans text.

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Non-invasive advanced image analysis could lead to better patient care

July 2, 2014 3:40 pm | News | Comments

Obtaining evidence of genetic changes to make a cancer diagnosis usually requires a biopsy, which can be problematic for sensitive regions of the body such as the lungs. Based on recent review of patients with lung cancer, researchers have found that scanning the tumor cells with quantitative computed tomography based texture analysis (QTA) determines (with 90% accuracy) whether the patient's tumor had a cancer-causing gene mutation.

Smartphone adapted to measure person’s gait, reduce falls

June 17, 2014 8:01 am | by Emil Venere, Purdue Univ. | News | Comments

Researchers have shown how to modify a smartphone so that it can be used to measure a person's walking gait to prevent falls in people with compromised balance, such as the elderly or those with Parkinson's disease. The innovation, being commercialized as SmartGait, is designed as a tool to aid health care officials in assessing a person's risk of falling and identifying ways to avoid injury.

New molecule enables quick drug monitoring

June 9, 2014 10:07 am | Videos | Comments

Scientists in Switzerland have invented a molecule that can easily and quickly show how much drug is in a patient’s system. All that is needed to perform accurate measurements is a conventional digital camera. The result of innovative protein engineering and organic chemistry, the molecule has been shown to work on a range of common drugs for cancer, epilepsy and immunosuppression.

Rural clinics increasingly turn to telemedicine

June 6, 2014 9:58 am | by Regina Garcia Cano, Associated Press | News | Comments

In 2010, telemedicine was used to guide the insertion of a chest tube in a 72-year-old South Dakota farmer who had been pinned by a cow. Physicians in Sioux Falls talked am inexperienced doctor through the steps to stop the bleeding and drain the blood collecting inside the man. It's a system that's gaining wider use across the rural U.S., where there are often few primary care doctors and even fewer emergency rooms.

App paired with sensor measures stress and delivers advice to cope in real time

June 4, 2014 12:21 pm | News | Comments

Computer scientists at Microsoft Research and the University of California, San Diego have developed a system, called ParentGuardian, that combines a mobile application and sensor to detect stress in parents. The system, initially tested on parents of children with ADHD, delivers research-based strategies to help decrease stress during emotionally charged interactions with children.

Lasers and night-vision technology help improve imaging of hidden lymphatic system

June 3, 2014 11:14 am | News | Comments

The human lymphatic system is a poorly understood circulatory system consisting of tiny vessels spread throughout the body. These vessels are filled with lymph, a clear liquid that lacks the natural contrast needed to show up on CT scanners or MRIs. A new technology developed in Texas can non-invasively image the human lymphatic system using a fluorescent dye, commercial laser dioded, and military-grade night vision devices.

Researcher reboots deep brain stimulation

May 28, 2014 7:53 am | News | Comments

Deep brain stimulators, devices that zap Parkinson’s disease tremors by sending electrical current deep into nerve centers near the brain stem, may sound like they are cutting-edge, but Rice Univ.’s Caleb Kemere wants to give them a high-tech overhaul.

Researchers introduce precision-guided epidurals, better blood monitors

May 27, 2014 3:19 pm | News | Comments

Scientists have recently combined optical coherence tomography (OCT) with other instruments to help doctors provide safer, less painful, and more effective care for women in labor and people with diabetic retinopathy and glaucoma. Their work, to be showcased at CLEO in San Jose, Calif., in June 2014, will enable precision-guided epidural needles and blood flow measurements without contrast agents.

X-ray dark-field radiography provides detailed imaging of lung diseases

May 27, 2014 12:17 pm | News | Comments

Conventional radiographic procedures generate images based on the absorption of x-rays as they pass through tissue. Newly developed x-ray dark-field radiography uses new technology to monitor wave changes during tissue transmission to create higher resolution images. Researchers in Germany have recently tested this technique for the first time on a living organism and report that the method shows promise in detecting diseases earlier.

Optical brain scanner goes where other brain scanners can’t

May 19, 2014 1:25 pm | by Michael C. Purdy, WUSTL | News | Comments

Scientists have advanced a brain-scanning technology that tracks what the brain is doing by shining dozens of tiny LED lights on the head. This new generation of neuroimaging compares favorably to other approaches but avoids the radiation exposure and bulky magnets the others require, according to new research at Washington Univ. School of Medicine in St. Louis.

Microchip-like technology allows single-cell analysis

May 14, 2014 1:52 pm | News | Comments

A U.S. and Korean research team has developed a chip-like device that could be scaled up to sort and store hundreds of thousands of individual living cells in a matter of minutes. The system is similar to a random access memory chip, but it moves cells rather than electrons.

The doctor’s in … through webcam, smartphone

May 13, 2014 7:49 am | News | Comments

Welcome to the virtual house call, the latest twist on telemedicine. It's increasingly getting attention as a way to conveniently diagnose simple maladies, such as whether that runny nose and cough is a cold or the flu. One company even offers a smartphone app that connects to a doctor. Patient groups and technology advocates are now pushing to expand this approach digital care to people with complex chronic diseases.

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