Articles tagged with Light Signaling
Erika Eggers is studying retinal cell signaling's role in light adaptation and diabetic retinopathy, which may lead to the development of cell-based models for drug treatments. Researchers have found that neural activity in the retina changes before diabetic retinopathy sets in.
Researchers have demonstrated that retinal cells carry out key processing tasks, paving the way for improved retinal implants and potentially restoring vision to those with macular degeneration. This breakthrough could significantly improve artificial retinas and enhance the sight of thousands affected by age-related macular degeneration.
Researchers have demonstrated that consumer-grade LED bulbs can be modified to serve as both light sources and receivers of signals, enabling the creation of a network of devices in a room. This technology has potential benefits for interconnecting IoT devices without threatening the scarce radio spectrum.
Researchers have developed new time-domain diffuse optics systems that provide deeper insights into human bodies using light. These systems have the potential to detect and identify tissue components, including organs and functions previously unreachable with traditional diagnostic devices.
Researchers from Hokkaido University developed a new method to track the switching on and off of circadian genes in freely moving mice, enabling the monitoring of gene expression patterns in specific tissues. This technique has significant implications for understanding clock gene function and its effects on mouse behavior.
Scientists have developed new methods to monitor endogenous oxidants, which are essential chemical messengers that help maintain organism function. The methods involve genetically encoded probes that can detect specific oxidants in real-time and down to single-cell levels.
PolyU has achieved the world's fastest optical communications speed for data centres by reaching 240 G bit/s over 2km, reducing transmission cost per unit to one-fourth. This breakthrough enables widespread use of immersive videos and new IoT applications.
Researchers at Northwestern University developed a new scheme using plasmonics to control infrared plasmons, enabling fast transmission of massive data. By modulating light signals in the near-infrared wavelength region, they can potentially switch signals in optical fibers with high speeds.
Researchers demonstrate ghost imaging technique in time domain for ultrafast optical signals in optical fibers. The method enables reconstruction of perfect copies of ultrafast signals using correlation of intensity fluctuations and total power of modulated signals.
Researchers have expanded their search radius for dark matter particles using the CRESST experiment, which can now detect particles with masses below 10 GeV/c^2, including those comparable to a proton. The new detectors are being equipped and will begin measuring in late 2015.
The study found that neurons in the ventral premotor cortex retain information about objects and generate unique grip patterns. This advances brain-computer interfaces, enabling people with severe paralysis to control robotic arms and hands using their thoughts.
EPFL scientists develop a highly accurate detection system using firefly-inspired biotechnology, enabling quick diagnosis of cancer and protein interactions without requiring expensive equipment. The system utilizes a chemically-tweaked enzyme to produce light signals that can be seen with the naked eye.
KAIST researchers create a novel technique for precisely tracking the 3D positions of optically trapped particles with complicated geometry. The Optical Diffraction Tomography (ODT) method measures 3D images in high speed, enabling the visualization and analysis of particles in various fields.
A team of researchers at Harvard, UC Santa Barbara, and the University of Chicago has developed a technique to precisely place nitrogen vacancy centers within nano-sized diamond structures, enhancing their fluorescence. This achievement is crucial for using NV centers as qubits in future quantum computers.
Researchers from St. Petersburg State University developed a theoretical model for quantum memory in light, adapting classical hologram concepts to a quantum system. They demonstrated the possibility of retrieving specific portions of stored quantized light signals with precise control over space and time.
Researchers at the University of Illinois have created a new optical amplifier design that combines plasmonics and optical microresonators to produce laser-like light emission. This breakthrough enables power-on-a-chip applications with improved speed performance and reduced energy consumption.
Scientists have created an implantable hydrogel that can deliver a light signal to specific tissues deep within the body, enabling photomedicine to treat brain disorders. The system uses genetically engineered cells that respond to light, and has shown promising results in mice with diabetes.
Researchers discovered that grocery store produce continues to perceive light and alter its biology in response to circadian rhythms. This affects nutrient levels and phytochemicals, which have anti-cancer properties.
Researchers at Rice University have developed a novel approach to arrange metal nanoparticles in geometric patterns, enabling control of light with light. The breakthrough enables the creation of optical devices that can transform incoming light signals into output of a different color.
Duke researchers develop a brain-machine interface that enables rats to detect and track infrared light, demonstrating the first time a sense has been augmented in adult animals. The breakthrough suggests new possibilities for restoring vision or sensing in people with damaged brains.
Researchers created an EEG-based computer system that activates optical fibers in the brain to arrest seizure activity and reduce severe 'tonic-clonic' events. The approach shows promise for treating severe manifestations of epilepsy with minimal side effects.
A new JQI photodetector uses an adaptive network of detectors with feedback to read quantum information with minimal uncertainty. By combining multiple stages and using phase reference waves, the system can beat the standard quantum limit for quaternary encoding.
A CSHL-led team has identified a novel gene, TERMINATING FLOWER (TMF), regulating the timing of flowering in plants. This discovery reveals a previously unknown pathway involved in the process, allowing plants to control flower production and increase agricultural yields.
Researchers at the University of Minnesota have developed a unique microscale optical device that can amplify optical signals, potentially increasing internet download speeds and reducing power consumption. The device uses the force generated by light to control a mechanical switch, enabling high-speed data transmission.
A new super-resolution microscope will be built at the University of Houston with a $1 million grant, allowing scientists to study the chemical properties of surfaces more accurately. The device combines sum frequency generation and compressive sensing imaging techniques to provide detailed data on surface reactions.
Researchers have developed a simple technique to teach civilians to break camouflage, with 60% of volunteers achieving proficiency in just two weeks. The Army is using this method to improve its sniping skills, and researchers are studying the brain activity involved.
Researchers have found a way to detect subtle changes in quantum data, making it harder for hackers to manipulate encoded communication. The new method, called Measurement Device Independent QKD, allows users to verify each other's data, ensuring unconditionally secure encryption.
Researchers used a novel experiment to investigate the brain's perception of surface lightness, finding that the ratio hypothesis does not explain the observed performance. Instead, participants could distinguish between shades with ratios up to 50 times higher than expected, suggesting other mechanisms are at work.
Researchers designed a new type of optical waveguide that isolates light signals on a silicon chip, solving a long-standing problem in engineering photonic chips. This breakthrough enables the creation of integrated nanoscale photonic devices and components for future integrated information systems.
Research from Carnegie Institution for Science reveals that a protein called GATA2 acts as a key link between brassinosteroid and light signaling pathways, controlling plant growth and development. The study found that brassinosteroids dictate the light-sensitivity of plants by regulating the production of a key light-responsive protein.
Researchers successfully tracked a human heartbeat using NIST's miniature atom-based magnetic sensor, confirming its potential for biomedical applications. The device measured the heart's magnetic signature in picoteslas and demonstrated sensing stability lasting tens of seconds.
Scientists at UC Santa Cruz and Brigham Young University have created an optical device that slows down light by a factor of 1,200, enabling potential vast improvements in ultra-low-power performance. The breakthrough holds promise for all-optical quantum communication networks.
Researchers at Salk Institute and Duke University have identified a new gene, HEMERA, that plays a crucial role in the chain of molecular events enabling light signals to control gene activity in plants. The discovery sheds light on how plants respond to light and could lead to breakthroughs in agricultural yields and weed management.
Scientists use micro-particles to mimic bacterial scents, tracking immune cell responses. Neutrophils migrate towards single chemical-releasing particles within minutes.
The device can measure a high capacity waveform up to 10,000 times faster than existing technologies, overcoming limitations of amplitude and phase measurement. This enables the packing of more information into optical signals, paving the way for ultra-high-speed communications and LiDAR systems.
A study by University of Notre Dame biologist Giles Duffield and his team sheds new light on the circadian clock's response to light signals, focusing on the Inhibitor of DNA-binding 2 (Id2) gene. The research has important implications for understanding the development and functioning of the circadian clock in the brain and peripheral...
Researchers at NIST have taken the first two-dimensional pictures of a frequency comb, revealing colors and intensity of all lightwaves simultaneously. The technique transforms the comb into a twodimensional brush, enabling scientists to measure and manipulate optical frequencies in a massively parallel manner.
Researchers at EPFL successfully demonstrate controlling the speed of light in an optical fiber, slowing it down by a factor of 3.6 and speeding it up to exceed the speed of light without violating relativity. This breakthrough has significant implications for optical computing and telecommunications.
Researchers have successfully bridged the 'Kuzyk quantum gap' in molecular nonlinear optics, creating a new hybrid material that can harness light's power. This innovation could lead to faster internet speeds and more efficient communication systems.
Birds in French Guiana have plumage that matches their environment, with colors similar to the canopy and understorey to avoid predators. Ultraviolet is used for conspicuous signals to select mates, with males displaying more patterns than females.
Scientists found that the biological clock in mice and rats responds to temperature changes rather than light signals. This discovery has significant implications for understanding jet lag and could lead to new treatments for related conditions.
Researchers found that Arabidopsis plants respond differently to light and temperature signals, with one gene focused on photosynthesis and the other sensitive to temperature. This discovery suggests that plants have multiple internal clocks operating within a single tissue, allowing them to make critical decisions about flowering.
Researchers at Virginia Tech have designed a new class of molecules that can bind to and stop replication of DNA when triggered by light. The complex molecules, developed by Professor Karen Brewer's group, have demonstrated the ability to kill cells in the presence of light.
Scientists at Georgia Tech develop a system to encode and decode information using chaotic carrier signals in fiber optic cable. The work opens up new possibilities for secure communication, potentially speeding up data transmission by 100-fold.