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resonance in Biological News

Music is the engine of new U-M lab-on-a-chip device

... and electrical connections with what are called resonance cavities. The resonance cavities are tubes of specific lengths that ... The computer generates the notes, or chords. The resonance cavities amplify those notes and the sound waves ...

Dancing atoms now understood

... may eventually lead to better control of magnetic resonance imaging (MRI) and higher resolution MRI ... the work may have a major impact on magnetic resonance imaging, positively affecting many peoples' ... use to control atoms in nuclear magnetic resonance (NMR) spectroscopy, and its better known sister, ...

New discovery may enhance MRI scans, lead to portable MRI machines

... scientific mystery involving magnetic resonance -- the physical phenomenon that allows MRI ... of their work in trying to optimize magnetic resonance pulse sequences. Specifically, they were looking ... something known as an "inversion" in a magnetic resonance measurement. Bathed in the magnetic field, ...

8 National Medals of Science awardees to be honored at gala, then the White House

... spectroscopy and phosphorescence microwave double resonance spectroscopy. El-Sayed earned his doctoral ... For establishing nuclear magnetic resonance as a powerful tool to reveal the fundamental ... as well as a leading innovator in applications of resonance techniques to understanding the structure of ...

NIH awards more than $33 million to fund state-of-the-art research equipment

... supporting the purchase of two nuclear magnetic resonance (NMR) spectrometers, which are designed to view ... positron emission tomography (PET) with magnetic resonance imaging (MRI) into one hybrid system. Immediately ... Minnesota in its purchase of an MRI and magnetic resonance spectroscopy scanner equipped with an ultra-high ...

The key to unlocking the secret of highly specific DNAzyme catalysis

... technique called single-molecule fluorescence resonance energy transfer, Lu, physics professor Taekjip Ha ... DNAzyme. In single-molecule fluorescence resonance energy transfer, researchers add two dye ... selective fluorescent, colorimetric and magnetic resonance imaging sensors from the lead-specific DNAzyme ...

New microsensor measures volatile organic compounds in water and air on-site

... and forth around its center with a characteristic resonance frequency between 300 and 1,000 kHz, depending on ... its characteristic vibration frequency, or resonance frequency, to decrease. By monitoring this resonance frequency over time, Brand and Mizaikoff can ...

NIH stimulus funding supports Emory biomedical scientists

... could signal the presence of the disease. Scientists are testing magnetic resonance spectroscopy as a way to spot these chemicals in the brain. Impact of ... doctors decide who could benefit from a pacemaker. Deshazer uses magnetic resonance imaging and a specialized computer program to analyze how much blood is ...

From the glass to the brain in 6 minutes

... in the brain cells, as the scientists in Heidelberg proved using magnetic resonance spectroscopy (MRS). Previously the only available data was from animal ... the researchers examined what a "hangover" does to the brain magnetic resonance spectroscopy can possibly enable us to find out what substances in ...

Scholar unconvinced new lie-detection methods better than old ones

... technologies are new brain-based techniques such as functional magnetic resonance imaging (fMRI), and the electroencephalography(EEG)-based technology known ... as being more precise, accurate and trustworthy. "Functional magnetic resonance imaging and Brain Fingerprinting have been hailed as the next, best ...

Protein structure determined in living cells

... in its natural environment, the living cell. Using nuclear magnetic resonance (NMR) spectroscopy, the researchers solved the structure of a protein ... says Prof. Peter Gntert from the Goethe University's Biomolecular Magnetic resonance Center. (BMRZ) of The research results will be published by the scientific ...

MIT student develops new innovations to selectively kill cancer cells

... papers, and his founding roles in two companies: Nanopartz Inc. and resonance Therapeutics. Nanopartz was founded more than one year ago to address ... of commercial applications, ranging from biomedicine to energy. resonance Therapeutics was founded to bring nano-rods towards clinical applications ...

I feel your pain: Neural mechanisms of empathy

... for empathy. In this study, the researchers used functional magnetic resonance imaging (fMRI) to compare brain activation patterns in CIP patients and ... of others. These results suggest that in the absence of functional resonance mechanisms shaped by personal pain experiences, CIP patients might rely ...

MU scientists 'see' how HIV matures into an infection

... COLUMBIA, Mo. After improving the sensitivity of nuclear magnetic resonance (NMR), researchers at the University of Missouri actually watched the ... Tang and his colleagues used a novel NMR method called paramagnetic resonance relaxation enhancement and were able to see the temporary joining of two ...

Carnegie Mellon MRI technology that non-invasively locates, quantifies specific cells in the body

... PHILADELPHIAMagnetic resonance imaging (MRI) isn't just for capturing detailed images of the body's ... using 19F MRI. While conventional MRI detects the nuclear magnetic resonance signal from protons contained in the mobile water in tissue, 19F MRI ...

FSU, Magnet Lab researchers license critical petroleum data

... and Biochemistry at FSU and director of the magnet lab's Ion Cyclotron resonance Program. "A single heavy petroleum sample, for example, may contain more ... technique co-invented by Marshall known as Fourier transform ion cyclotron resonance mass spectrometry, they have been able to simultaneously separate and ...

Mate or hibernate? That's the question worm pheromones answer

... hermaphrodites were fertile. Using mass spectroscopy and nuclear magnetic resonance spectroscopy including a UF- and National High Magnetic Field ... serves as director of the McKnight Brain Institute's Advanced Magnetic resonance Imaging and Spectroscopy facility and co-principal investigator of the ...

Researchers bridge the 'terahertz gap' with new tunable metamaterial

... of metamaterial and semiconductor that allowed the team to tune terahertz resonance across a range of frequencies in the far-infrared spectrum. The teams first-generation device achieved 20 percent tuning of the terahertz resonance to lower frequencies those in the far-infrared region addressing the ...

The top 5 ways medical physics has changed health care

... detection techniques into the medical domain. There they became magnetic resonance imaging (MRI), computerized tomography (CT) scanning, nuclear medicine, ... the first prize (in physics) for his discovery of X rays. Magnetic resonance Though Felix Bloch and Edward M. Purcell shared the Nobel Prize in ...

New technique captures chemical reactions in a single living cell at unprecedented resolution

... target. Gold nanoparticles were chosen because they have a plasmon resonance wavelength ranging from 530 to 580 nanometers, corresponding to the ... "When the absorption peak of the biomolecule overlaps with the plasmon resonance frequency of the gold particle, you can see whether they are exchanging ...

Small animal imaging facility is big boon to research

... dramatic images of hearts, lungs and other organs its called a magnetic resonance image. Protons normally would be pointing in many different directions, ... organs of interest are so much smaller, says Dr. Nathan Yanasak, magnetic resonance scientist. Many standard MRIs are 1.5 Tesla and high-end clinical units ...

News tips from the Journal of Neuroscience

... the cytoplasmic domain of TLCN to ERMs was confirmed using surface plasmon resonance analysis of direct proteinproteininteractions. Phosphorylated ERM proteins ... to major depressive disorder. The authors used functional magnetic resonance imaging to map the patterns of brain activation in depressed and ...

Abnormal brain circuits may prevent movement disorder

... MD, the senior author of the study published in the Journal of Neuroscience , said that they used diffusion tensor imaging a type of magnetic resonance imaging (MRI) that measures changes in the integrity of white matter pathways in the brain to study those with and without symptoms who carry the ...

Brain difference in psychopaths identified

... (UF). However, nobody had ever studied the UF in psychopaths. The team from King's used an imaging method called in vivo diffusion tensor magnetic resonance imaging (DT-MRI) tractography to analyse the UF in psychopaths. They found a significant reduction in the integrity of the small particles that ...

A crystal ball for brain cancer?

... therapy to remove glioblastoma. Half of the patients received infusions of Avastin every two weeks. All underwent monthly brain scans by magnetic resonance imaging (MRI) to monitor change. The researchers analyzed the MRI scans of the patients whose tumors returned. Explaining what the team saw ...

Experimental treatment halts hypoxic-ischemic brain injury in newborns

... blocked hypoxic-ischemia-induced activation of matrix metalloproteinases and damage to the blood-brain barrier. The researchers also applied magnetic resonance imaging tests and microscopic analysis of brain tissues, which showed that PAI-1 treatment greatly reduced brain edema, axonal degeneration and the ...

Researchers develop 'brain-reading' methods

... College), have provided direct evidence that a person's mental state can be predicted with a high degree of accuracy through functional magnetic resonance imaging (fMRI). The research also suggests that a more comprehensive approach is needed for mapping brain activity and that the widely held belief ...

DOE-funded research projects win 46 R&D 100 Awards for 2009

... Los Alamos National Laboratory (Los Alamos, N.M.) http://www.lanl.gov/ MagViz MagViz is the first product based on a new form of magnetic resonance imaging (MRI)a form that uses ultralow magnetic fields. MagViz noninvasively scans containers of liquids and gels, detects explosive liquids in less ...

Kornberg Associates Architects Selected to Develop Design for New Stanford University Imaging Center

... centers and teaching resources. According to Kornberg, the project, scheduled for completion in Fall 2010, will locate a functional magnetic resonance imaging (MRI) device and a magnetoencephalography (MEG) unit among the Cognitive Neurobiological Imaging researchers in the Psychology Department. ...

22nd Congress of the European College of Neuropsychopharmacology, Sept. 12-16, 2009, Turkey

... can be monitored and measured through modern research methods. Imaging techniques have become extremely sensitive, including functional magnetic resonance imaging (fMRI), positron emission tomography (PET) and single-photon emission computed tomography (SPECT). Contrary to previous concepts, recent ...

Structural biology scores with protein snapshot

... In a landmark technical achievement, investigators in the Vanderbilt Center for Structural Biology have used nuclear magnetic resonance (NMR) methods to determine the structure of the largest membrane-spanning protein to date. Although NMR methods are routinely used to "take ...

Researchers observe single protein dimers wavering between two symmetrically opposed structures

... and folding speed of these molecules. To test if this was true, Deniz and his group at Scripps Research used single-molecule fluorescence resonance energy transfer (smFRET), a tool they have helped develop. This technique, which Deniz calls a "molecular ruler," measures light emitted from two ...

Enigmatic sea urchin structure catalogued

... Ziegler, from Charit-Universittsmedizin Berlin, led a team of researchers who used a high-resolution non-invasive imaging technique (magnetic resonance imaging) to compare the structure of the axial complex of specimens from almost all sea urchin orders. These data were extended with invasive ...

'Disordered' amino acids may really be there to provide wiggle room for signaling protein

... it nearly impossible to create the necessary crystals to use this technique. Instead, Roder and colleagues used a technique called nuclear magnetic resonance spectroscopy, which can determine a protein's shape by measuring how the individual atomic nuclei of a protein interact with an intense magnetic ...

Wings that waggle could cut aircraft emissions by 20 percent

... drag, uses tiny air powered jets which redirect the air, making it flow sideways back and forth over the wing. The jets work by the Helmholtz resonance principle - when air is forced into a cavity the pressure increases, which forces air out and sucks it back in again, causing an oscillation the ...

A combined tooth-venom arsenal revealed as key to Komodo dragon's hunting strategy

... stress in a dragon's jaws and compare them to those of a crocodile. The dragons were found to have much weaker bites than crocodiles, but magnetic resonance imaging (MRI) of a preserved dragon head revealed complex venom glands and specialised serrated teeth which create deep lacerations for entry of the ...

Komodo even more deadly than thought: Research

... modeling to analyse the Komodo dragon bite and found that dragons have much weaker bites than crocodiles of a similar size. However, magnetic resonance imaging revealed the dragons have complex venom glands as well. After surgically excising the glands from a terminally ill dragon in a zoo, the ...

MIT’s implantable device offers continuous cancer monitoring

... the implant through a semipermeable membrane, bind to the particles and cause them to clump together. That clumping can be detected by MRI (magnetic resonance imaging). The device is made of a polymer called polyethylene, which is commonly used in orthopedic implants. The semipermeable membrane, which ...

Lyncean Technologies Inc. receives $1.2 M from NCRR to develop new imaging technique

... produces x-rays through inverse Compton scattering. The entire x-ray source fits in a 10x25 ft room similar in size to those used for Magnetic resonance Imaging in medical clinics. The first scientific publication using the CLS x-ray beam employed a technique called Differential Phase Contrast ...

OHSU researchers study the idling brain

... help more rapidly diagnose and appropriately treat mental disorders." To observe brain function in humans, the researchers use a form of magnetic resonance imaging (MRI) called functional connectivity MRI. Functional connectivity MRI allows the researchers to witness real-time brain activity as it occurs ...
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