Researchers at NIST develop a prefilling method to enhance the quality and consistency of single-wall carbon nanotubes by introducing a chemical filler. This approach yields superior results in optical applications, such as sensors and photodetectors.
The NIST Ballistics Toolmark Research Database provides a statistical foundation for reliably linking bullets to the guns that fired them. The database uses 3D topographic surface maps to analyze bullet markings, allowing researchers to quantify uncertainty and develop more accurate bullet-matching algorithms.
Researchers propose using small amounts of efavirenz to increase CYP46A1 enzyme activity, leading to improved memory and reduced plaque development. Studies suggest a 40% increase in cholesterol breakdown in mouse models, with potential benefits for human Alzheimer's patients.
NIST's N4 watt balance conducts its first measurement of Planck's constant, achieving accuracy of 34 parts per billion. This result is consistent with other countries' measurements and sets the stage for a new kilogram definition by 2018.
Researchers at NIST measured the energy spectrum of photons released during neutron beta decay, providing a precise check on the Standard Model and shedding light on QED's predictions. The results are being used to further develop the theory and potentially uncover new physics beyond the Standard Model.
Scientists from the National Institute of Standards and Technology (NIST) urge researchers to adopt comprehensive toolkit for assuring cell line quality, implemented before studies using human cells. Current standard has not been widely adopted despite growing priority among funders and publishers.
Physicists at NIST create a quantum simulator by entangling up to 219 beryllium ions, enabling simulations that challenge classical computers. The technique also helps improve atomic clocks and models complex physics phenomena.
Researchers discovered a way to remove acetylene from ethylene using metal-organic frameworks (MOFs), reducing the need for costly catalytic conversion. The SIFSIX MOF family can filter out contaminants with high selectivity and adsorption capacity, producing pure ethylene.
Researchers from NIST and Georgetown University have deciphered the mechanisms behind 'oobleck''s switch between liquid and solid states. They found that shear-thickening fluids are driven primarily by frictional contacts, with hydrodynamic forces playing a supporting role at lower concentrations.
Researchers at JILA have developed a new technique using laser frequency comb spectroscopy to detect and identify large, complex molecules. The upgraded system cools molecules to near absolute zero, simplifying and strengthening absorption signals and greatly boosting the ability to identify the molecules.
Scientists at NIST have developed a miniaturized device to convert photons between frequencies, addressing two critical problems in quantum communication. The new device consumes low power and produces minimal noise, making it suitable for future experiments with single-photon sources.
Scientists at NIST have made significant advances in creating safe and efficient solid-state rechargeable batteries. By modifying the chemical makeup of promising compounds, they increased their current-carrying capacity and enabled them to operate within a wider temperature range.
NIST researchers create a piezo-optomechanical circuit that converts signals among optical, acoustic and radio waves. The system enables manipulating motion of nanoscale beam using energy exchange between phonons and photons.
Researchers at NIST have developed a widely useful standard for breast cancer MRI, mimicking human tissue to test imaging systems. The phantom supports quantitative MRI and is used in clinical trials, enabling accurate images for diagnosis, staging, and treatment monitoring.
Researchers adapted high-throughput screening technology to identify effective antimicrobial compounds against the bacterium Streptococcus mutans. The automated system delivered results indistinguishable from human-led experiments and reduced testing time by a third, paving the way for potential new antibiotics.
Researchers at NIST and ORNL have developed a new microwave imaging technique that allows for the visualization of processes occurring at boundaries between liquids and solids. This approach enables the study of technologically and medically important processes without damaging samples or interfering with the process being studied.
Physicists at NIST developed a method to calibrate temperature measurements using nanomechanical systems governed by quantum mechanics. The approach observes object vibrations and subtle zero-point motion, enabling precise thermal energy determination.
New research finds that overlooked electrical resistance in organic field-effect transistors can lead to overestimates of charge-carrier mobility. The study's findings challenge conventional wisdom and highlight the need for accurate measurement methods to benchmark organic semiconductor performance.
The NIST Internet Time Service serves much of the world, receiving 316 million unique IP address requests from 20 servers in one month. This represents at least 8.5 percent of devices on the entire internet, highlighting its importance as a reliable source of time.
A new study assesses genome-sequencing technologies and finds medically significant regions prone to systematic errors. The researchers call for methods to benchmark performance in all sequenced regions, essential for accurate diagnosis and prevention of false positives and negatives.
The new NIST method uses nonlinear acoustic measurements to detect cracks in ceramic capacitors before they cause electrical failure. This approach has shown promise in rejecting over 90% of sample capacitors with visible cracks and may help prevent failures in medical implants, spacecraft, and other mission-critical electronics.
Researchers have developed a new experimental test that can detect signs of Lyme disease near the time of infection. The approach uses vesicle-like particles derived from the cell wall of the bacteria to provide a unique indicator of infection.
The National Institute of Standards and Technology (NIST) has developed a 3D laser scanning technology that can accurately measure spaces and preserve details. This technology is being used in various fields, including archaeology, real estate, and manufacturing, to enhance space preservation and renovation.
A new study published in Nature Biotechnology reports that a 2D-NMR spectroscopy method can reliably assess the atomic structures of biologically similar products, yielding equivalent fingerprints. The method's precision is demonstrated through an interlaboratory comparison of four versions of a therapeutic protein drug.
Researchers at NIST have simulated a new concept for rapid, accurate gene sequencing by pulling DNA through a graphene nanopore and detecting changes in electrical current. The method could identify about 66 million bases per second with 90% accuracy, potentially revolutionizing forensics.
A portable version of NIST's 'headspace analysis' technique has been developed, enabling detectives to carry a convenient version of the method in a briefcase-sized kit. The kit can recover vapors from solid or liquid compounds, including environmental pollutants and forensic evidence, with collection times as fast as 3 seconds.
NIST researchers developed a new material for detecting photons, capturing more quantum information by reducing jitter by 74 picoseconds. This improvement enables faster communications and higher bit rates, crucial for receiving faint signals reliably in quantum teleportation experiments and physics theories testing.
Researchers from NIST and IBM have created a 'self-assembly' method using gold nanoparticles that can carve straight channels into semiconductor surfaces. The process, discovered through trial and error, involves heating water vapor to etch nanoscale pits into the surface.
Scientists at NIST create non-invasive technique to map trapped light vibrations and fine-tune resonator frequency, enabling ultrasensitive sensors and identical resonances. The focused lithium-ion-beam technique allows for high-resolution imaging without disturbing near-fields.
Scientists at NIST developed a new recipe development tool using advanced math to predict the capabilities of polymer-nanoparticle mixtures. By modeling particle shapes more realistically, they created virtual nanoparticles that can analyze real-world particles and make general statements about their behavior in mixes.
Physicists at NIST have performed logic operations with two atoms of different elements, a hybrid design that could be an advantage in large computers and networks. The experiment demonstrates the feasibility of mixed-atom gates, which rely on entangling ions using custom traps and laser beams.
Using a novel microscope that combines standard through-the-lens viewing with scatterfield imaging, NIST team accurately measures patterned features on a silicon wafer as small as 16 nanometers wide. The technique reveals variations in feature dimensions amounting to differences of a few atoms.
The NIST robot, CROMMA, measures antenna properties with high precision and configurability, enabling faster and more accurate measurements of antennas for advanced communications, remote sensing, and imaging systems. The system uses near-field scanning technology to determine antenna gain, polarization, and pattern at long distances.
Researchers demonstrate entanglement's role in quantum mechanics, ruling out local realism with highly correlated particle measurements. The NIST experiment achieves definitive results, surpassing previous studies' limitations.
Physicists at JILA have created a denser quantum crystal by packing about five times more molecules into it, allowing for the study of correlations among molecule spins and entanglement. The crystal's high density enables scientists to investigate complex effects that may lead to new materials for electronics.
Researchers from NIST and UC Davis have successfully created stable magnetic skyrmions under ambient conditions, opening up possibilities for novel data storage and nanoelectronic devices. The breakthrough enables the use of skyrmions in information memory systems with improved elasticity and resistance to external influences.
Researchers at NIST have teleported quantum information over 100km of optical fiber, four times farther than the previous record. The experiment confirmed that quantum communication is feasible over long distances in fiber.
Researchers at NIST have successfully bound two photons together, creating a 'molecule' of light with its own force. This breakthrough could lead to significant advancements in technologies such as photon-based computing and sensor calibration, potentially reducing energy losses and increasing efficiency.
NIST researchers found that hydrogen-specific steel pipelines can cost 68% more than natural gas pipelines due to damage caused by hydrogen over time. However, they also propose modifying industry codes to allow the use of higher-strength steel alloys without thicker pipe walls, resulting in a net cost reduction.
Researchers have developed a microscope instrument that can accurately measure the 3D movement of individual molecules over many hours, far beyond current limits. This technology has potential applications in biology, biochemistry, and biophysics, including tracking protein motions and characterizing nanoscale objects.
Researchers at NIST have created a fast process for making platinum nano-raspberries, which can act as catalysts in fuel cells. The nano-raspberries exhibit high surface area and stable clumping behavior, encouraging efficient reactions. This breakthrough could lead to more practical fuel cell technology.
The center, led by Iowa State University, aims to develop tools for evaluating pattern and digital evidence analysis methods and an education program for judges, lawyers, and forensic science investigators. This will enhance the scientific basis for forensic evidence used in the criminal justice system.
The US Commerce Department's NIST has published a roadmap for the next 20 years of research needed to establish seamless public safety communications networks. Location-based services are expected to improve situational awareness for first responders, enabling more efficient allocation of personnel and equipment.
The JILA strontium atomic clock has achieved unprecedented precision and stability levels, outperforming previous world records by more than three times. This breakthrough enables the measurement of tiny changes in time and gravity, with applications in advanced communications, positioning technologies, and relativistic geodesy.
Researchers at NIST have developed a precise method to measure the structural configuration of monoclonal antibodies using two-dimensional nuclear magnetic resonance (2D NMR) spectroscopy. This technique allows for high-resolution spectral analysis, enabling the determination of whether protein folding is occurring as desired, and pote...
Researchers developed a nanoscale speed bump called a plasmonic phase modulator to regulate plasmon waves, enabling faster data processing. The device uses a tiny gap in metal wires to slow down plasmons, allowing for selective cancellation and optical switching.
Scientists have developed a new shape-shifting probe that can detect and measure localized conditions on the molecular scale deep within tissues. The device, called geometrically encoded magnetic sensors (GEMs), uses radio frequency signals to identify changes in resonance frequencies caused by shape-changing agents.
Scientists at NIST have developed a new approach to measure X-ray angles with greater precision, reducing errors by three times. This improvement will enable better understanding of newly designed materials and their properties.
Researchers at NIST are developing measurement tools for channels that could offer more than 1,000 times the bandwidth of today's cell phone systems. The tools will enable the development of innovative millimeter-wave wireless technologies and support the expected increases in demand for wireless capacity.
Researchers at NIST have demonstrated a technique for mapping deformation in metals that can recover destroyed serial numbers. The method uses electron backscatter diffraction (EBSD) to read imprints on steel, revealing crystal damage and improving forensic analysis.