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University of Pittsburgh


Pitt chemical biologist finds new halogenation enzyme

Researchers at the University of Pittsburgh have discovered a new halogenation enzyme that can selectively replace inert C-H bonds with C-X bonds, enabling the creation of tailored molecules with improved pharmacological profiles. This breakthrough is expected to revolutionize the fields of pharmaceutical and agricultural industries.

SourceUniversity of Pittsburgh·JournalNature Chemical Biology·DateSep 15, 2014

Project to turn world on to DC power

A team of University of Pittsburgh professors is working on a project to transition the US power grid to direct current (DC) using a $800,000 grant from the Henry L. Hillman Foundation. DC technology has the potential to improve energy efficiency and promote renewable energy, especially in low-income areas. The researchers aim to devel...

Pitt engineer turns metal into glass

Materials scientist Scott X. Mao successfully creates metallic glasses from pure metals by applying ultrafast cooling rates, solving a long-standing issue in the field. The process involves a novel technique that enables transformation of liquefied elemental metals into glass.

SourceUniversity of Pittsburgh·JournalNature·DateAug 13, 2014

Marriage and healthy hearts

A new study reveals a correlation between unhappy marital interactions and a higher risk of cardiovascular disease, as well as thicker carotid arteries. The research found that individuals with positive marital interactions had an 8.5% greater risk of heart attack or stroke.

SourceUniversity of Pittsburgh·JournalPsychosomatic Medicine·DateJun 25, 2014

Designing defenses against cyberbullying

A Pitt-led research team developed seven design recommendations to mitigate online bullying behaviors on social media. The seven recommendations include Design for Attention, Design for Consequence, and others, which aim to provide a range of active and passive features to alleviate and prevent inappropriate harassment online.

Turing's theory of morphogenesis validated 60 years after his death

Researchers from the University of Pittsburgh and Brandeis University have provided experimental evidence validating Alan Turing's theory of morphogenesis in cell-like structures. The study confirms the prediction of six different patterns and discovers a seventh, demonstrating how identical biological cells differentiate into distinct...

SourceUniversity of Pittsburgh·JournalProceedings of the National Academy of Sciences·DateMar 12, 2014

Silencing synapses

Researchers found that silencing synapses in the nucleus accumbens can prevent intensification of cocaine craving. They discovered a chemical receptor known as CP-AMPAR essential for maturation of silent synapses, which revert to silence when removed.

SourceUniversity of Pittsburgh·JournalNature Neuroscience·DateDec 17, 2013

Entering a new dimension: 4-D printing

Scientists at the University of Pittsburgh are proposing a new field of 4D printing, which enables materials to modify their structures over time in response to external stimuli. The team aims to develop adaptive composites that can reprogram their shape, properties, or functionality on demand.

eButton health monitor gets a facelift

Researchers at the University of Pittsburgh have developed a new computational tool for the eButton health monitor, which can now extract food from images and estimate portion sizes with an average error of only 3.69%. The device uses a geometric-shape library to remove background images and measure volume by projecting and fitting sel...

SourceUniversity of Pittsburgh·JournalMeasurement Science and Technology·DateSep 9, 2013

The molecule 'scanner'

Researchers developed a detector that can chemically identify single molecules using terahertz radiation, enabling 'molecular imaging' at scales similar to airport screenings. The technology, featured in Nano Letters, has the potential for fundamental studies and practical applications.

SourceUniversity of Pittsburgh·JournalNano Letters·DateAug 5, 2013

Light that moves and molds gels

The Pitt research team demonstrated that hydrogels can be reconfigured and controlled by light, undergoing self-sustained motion. This biomimetic behavior has significant implications in the medical arena, potentially leading to new devices and technologies.

SourceUniversity of Pittsburgh·JournalAdvanced Functional Materials·DateAug 1, 2013

Like water for batteries

A University of Pittsburgh study reveals that graphite materials are actually hydrophilic due to airborne contaminants. This discovery has significant implications for lithium-ion batteries and super capacitors, which may lead to stronger and more durable devices.

SourceUniversity of Pittsburgh·JournalNature Materials·DateJul 29, 2013

Adolescents are what they don't eat, too

A University of Pittsburgh study found that diets lacking omega-3 fatty acids can worsen effects over consecutive generations, particularly affecting teens. Adolescents with omega-3 deficiencies showed increased anxiety and hyperactivity, impaired learning and memory, and problem-solving abilities.

SourceUniversity of Pittsburgh·JournalBiological Psychiatry·DateJul 29, 2013

Dissecting the distinctive walk of disease

Researchers propose a new motion test that examines various walking features in healthy and clinical populations, identifying critical changes in mobility. The study uses advanced mathematical computations to extract data from accelerometer signals, showing significant differences between healthy and clinical groups.

SourceUniversity of Pittsburgh·JournalIEEE Transactions on Neural Systems and Rehabilitation Engineering·DateJul 2, 2013

Helping SAD sufferers sleep soundly

Researchers found SAD participants have misconceptions about sleep habits similar to those of insomniacs, leading to incorrect reports of sleep duration. Cognitive behavioral therapy for insomnia may be effective in treating seasonal affective disorder by addressing unhelpful beliefs about sleep.

SourceUniversity of Pittsburgh·JournalJournal of Affective Disorders·DateJun 27, 2013

'Chemical architects' build materials with potential applications in drug delivery and gas storage

University of Pittsburgh researchers design a family of ultra-porous materials with potential applications in drug delivery, gas storage, and industrial separations. The materials' high porosity could enable more efficient pharmaceutical delivery into the human body and lower-cost industrial separations.

SourceUniversity of Pittsburgh·JournalJournal of the American Chemical Society·DateJun 17, 2013

The diabetes 'breathalyzer'

Researchers at the University of Pittsburgh have developed a sensor technology that can detect and monitor diabetes through breath analysis alone. The sensor uses a combination of titanium dioxide and carbon nanotubes to measure acetone vapors in breath, offering a potential alternative to current blood glucose monitoring methods.

SourceUniversity of Pittsburgh·JournalJournal of the American Chemical Society·DateJun 10, 2013

When friends create enemies

A University of Pittsburgh study found that hackers can identify over 60% of a target's private friends through the mutual-friends feature on Facebook. This can lead to inferring personal information, such as political affiliations or embarrassing details.

SourceUniversity of Pittsburgh·JournalComputers & Security·DateMay 30, 2013

Connecting the (quantum) dots

Scientists develop a method to preserve quantum bits (qubits) for longer periods, using hole spins instead of electron spins. This breakthrough brings the researchers closer to creating the first viable high-speed quantum computer.

SourceUniversity of Pittsburgh·JournalNature Nanotechnology·DateFeb 26, 2013