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brain News
Researchers Develop High-Precision Dual-Color Optogenetic Brain Probe
AMHERST, Mass., Dec. 26, 2023 — Optogenetics promises to manipulate brain circuitry by exciting or inhibiting neurons with different wavelengths of light. Until now, neural probes have largely been limited to single colors, only capable of either excitation or inhibition. Probes with close-packed dual-color light sources have proven elusive due to difficulties in integrating the necessary technology. Now, researchers at the University of Massachusetts Amherst have developed a dual color optogenetic neural
Flexible Optogenetic Tool Blocks Pain, Not Movement
CAMBRIDGE, Mass., Oct. 20, 2023 — Engineers at MIT have developed soft and implantable fibers that can deliver light to major nerves through the body. When these nerves are genetically manipulated to respond to light, the fibers can send pulses of light to the nerves to inhibit...
Brain Imaging, Image Reconstruction Combine in a Single Workflow
KLOSTERNEUBURG, Austria, July 18, 2023 — Scientists at Institute of Science and Technology Austria (ISTA) have developed an imaging technology to analyze live brain tissue at a scope and spatial resolution that, according to the researchers, was not previously possible. The technology,...
Near-Infrared Wavelength Specificity Yields Phototherapy Insights
ARLINGTON, Texas, June 19, 2023 — Transcranial photobiomodulation (tPBM) is an emerging form of light therapy that uses LEDs or low-intensity lasers that emit near-infrared (NIR) light to stimulate the brain. Although tPBM is in the early stages of development, it shows promise as a...
Wearable Brain-Imaging Offers Alternative to 'Gold Standard' Method
ST. LOUIS, June 1, 2023 — Researchers at Washington University in St. Louis are developing an alternative to the current gold standard of brain imaging, functional magnetic resonance imaging (fMRI). The researchers’ technology would allow subjects to move freely while...
Optogenetic Light Source Transmits Information Between Neurons
BARCELONA, Spain, April 11, 2023 — Researchers at The Institute of Photonic Sciences (ICFO) demonstrated that photons, acting as neurotransmitters, can enable communication between neurons. The researchers developed an all-optogenetic, synaptic transmission system that enabled...
3D Printing Eases Electronic Device Implantation
LANCASTER, England, March 30, 2023 — A team led by researchers at Lancaster University has developed a method to 3D-print flexible electronics using a conducting polymer, and the team has demonstrated a method to directly print these electrical structures on or in living organisms....
Machine Learning Enhances Light-Field Imaging-Based Method
NEW YORK, March 28, 2023 — Researchers from The Rockefeller University have developed an imaging technique that could allow scientists to penetrate the depth and breadth of the cortical areas of the brain at peak resolution, scale, and speed. The technology, called MesoLF, is...
Novel Platform Reveals Insights into Control of Brain Network
CHAPEL HILL, N.C., Feb. 23, 2023 — Researchers at the University of North Carolina (UNC) School of Medicine combined fiber photometry with functional magnetic resonance imaging (fMRI) to examine the dynamic activity of brain regions related to the brain’s default mode network...
Bruker Acquires Inscopix; Adaptive Glasses Firm Deep Optics Secures Investment: Week in Brief: 11/11/22
MOUNTAIN VIEW, Calif., Nov. 11, 2022 — Bruker Corp. acquired Inscopix Inc., a developer of miniaturized microscopes known as miniscopes, for freely moving animal brain imaging. Since Inscopix’s founding in 2011, its flagship miniscope systems have been deployed in over 600 research...
Optical Interfaces Could Stimulate Nerve-driven Activity
SYDNEY, Nov. 3, 2022 — Engineers at the University of New South Wales (UNSW Sydney) demonstrated an approach to measure neural activity using light. The team’s optical sensors, called optrodes, achieved accurately registers of the neural impulses traveling along a...
Expansion Microscopy Technique Reveals Hidden Nanostructures
CAMBRIDGE, Mass., Sept. 6, 2022 — Proteins and other molecules are often tightly packed together inside a living cell. These dense clusters can be difficult to image because the fluorescent labels used to make them visible can’t wedge themselves in between the molecules....
Optogenetic Tools Use Blue Light to Restore Cell Function
CINCINNATI, Aug. 22, 2022 — Researchers from the University of Cincinnati (UC), the University of Illinois Urbana-Champaign (UI), and the University at Buffalo (UB) used an optogenetic technique to bring together mitochondria and lysosomes in human stem cells, to revitalize...
Diamond Defects Boost Magnetic Field Sensing for Brain Activity Mapping
MELBOURNE, Australia, July 12, 2022 — A team from Fraunhofer Institute for Applied Solid State Physics (Fraunhofer IAF), with diamond sensing technology experts from RMIT University, demonstrated that magnetic-field-dependent emission from nitrogen-vacancy (NV) centers in diamond...
Fiber Photometry Manages, Records Brain Activity at Same Time
BEIJING, July 12, 2022 — Researchers at Tsinghua University and Huazhong University of Science and Technology have developed an all-fiber-transmission photometry system that permits optogenetic manipulation and multicolor recording of neuronal activities and...
Photoacoustic System Enables Real-Time Neurovascular Imaging
DURHAM, N.C., May 27, 2022 — A photoacoustic imaging tool developed by Duke University researchers accommodates the need for both speed and comprehensive detail in neurovascular imaging. The imaging modality enables an approach to visualize whole-brain hemodynamics and...
Microscope Marks Head-Mounted Advance Toward Treating Neurological Disorders
WASHINGTON, D.C., April 8, 2022 — Researchers from the University of Colorado Boulder, the University of Colorado Anschutz Medical Campus, and Arizona State University have developed a head-mounted, lightweight, fluorescence microscope that provides full 3D imaging and enhanced...
Startup Integrates Research-Grade Brain Imaging into Wearable Cap
LOS ANGELES, Jan. 31, 2022 — Neurotechnology company Kernel has developed a wearable headset device for brain measurement. The device, called Kernel Flow, is based on time-domain functional near-infrared spectroscopy (TD-fNIRS) — considered the gold standard for...
Quantum Sensors Measure Brain Activity with Pinpoint Accuracy
BRIGHTON, England, Dec. 2, 2021 — Quantum sensors could be used to indicate early biomarkers for brain diseases in space and time, based on the results of a University of Sussex (England) study. Researchers showed that quantum sensors, when used with magnetoencephalography (MEG),...
Microscopy Method Enables Deep In Vivo Brain Imaging
HEIDELBERG, Germany, Oct. 4, 2021 — A method developed by the Prevedel Group at the European Molecular Biology Laboratory (EMBL) allows neuroscientists to observe live neurons deep within the brain — or any other cell hidden within an opaque tissue. The method is based on...
Graphene Diamond Junctions Mimic Brain Function
NAGOYA, Japan, Sept. 6, 2021 — Researchers from Nagoya University created graphene-diamond junctions capable of mimicking some of the human brain’s functions. The work opens doors for next-generation image-sensing memory devices. The impetus for the research stems from the...
NIR Spectroscopy Could Provide Window into AD Pathology, Therapeutics
BEDFORD, Mass., Sept. 1, 2021 — To detect Alzheimer’s disease (AD) in its early stages, researchers at the VA Bedford and VA Boston Healthcare systems developed a noninvasive optical technique that uses near-infrared spectroscopy to identify changes in the brain by capturing...
Photothermal Process Irradiates Nanoparticles to Control Cell Activity
ST. LOUIS, Aug. 2, 2021 — Using nanoparticles as photothermal nanotransducers, scientists at Washington University in St. Louis demonstrated reversible modulation of electrical activity in excitable nerve and heart muscle cells. The biocompatible, minimally invasive approach...
Cranial Windows Allow Simultaneous Imaging of the Brain’s Different Regions
WASHINGTON, D.C., July 13, 2021 — Researchers from Tsinghua University have developed a way to image multiple areas of the brain at the same time, both on the brain’s surface and deep inside the brain. Since brain processes often span multiple regions of the brain, researchers...
3 Combined Techniques Boost Imaging Precision
CHAMPAIGN, Ill., July 12, 2021 — Researchers from the University of Illinois Urbana-Champaign, working with domestic and international collaborators, have combined three imaging techniques to detect the timing and location of brain responses to a stimulus. The researchers said the...
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May 2024
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