Articles tagged with Atomic Force Microscopy
Physicists and chemists at the University of Münster have developed a microscopic method to image organic molecules with exceptional resolution. The technique uses an atomically defined probe tip that greatly increases imaging resolution by reducing undesired interaction between atoms.
The new microscope developed by SFU researchers allows for the study of molecular interactions under high forces and fast spinning speeds, revealing new insights into collagen stability. This breakthrough has significant implications for developing better treatments to prevent collagen degradation.
Researchers at the University of Alberta have developed a new way to produce high-density DC current, vastly improving over existing triboelectric nanogenerators. The discovery enables continuous flow of electricity from nanoscale movement and vibration, opening up potential applications in sensors, wearable devices, and more.
A French and Japanese research group developed a new way to turn AFM measurements into clear color images, enabling observation of materials and substances like alloys, semiconductors, and chemical compounds. The newly developed method holds promise for becoming widely used in the research and development of surfaces and devices.
Researchers at Oak Ridge National Laboratory have developed a method to detect network intrusions in connected and autonomous vehicles, with near-perfect detection rates in initial testing. Additionally, scientists have created a technique for making ultrafast measurements using atomic force microscopy, allowing for high-resolution ima...
Researchers have found that some pathogenic bacteria use an undulating 'wave-pattern' to mark future sites of division, instead of conventional biological systems. This discovery provides new insights into how these bacteria divide and could lead to new ways to fight them.
Researchers from University of Konstanz have observed non-classical growth of crystals, where liquid preliminary stages accelerate growth rates. This finding has implications for basic research and practical applications, including faster-dissolving medicines.
Researchers at the University of Basel successfully studied the strength of hydrogen bonds in a single molecule using an atomic force microscope. They found that hydrogen bonds play a crucial role in the properties of molecules and macromolecules, such as water's high boiling temperature.
Researchers developed hyperspectral infrared nanoimaging, enabling recording of two-dimensional arrays of nano-FTIR spectra in a few hours. This technique allows for nanoscale-resolved chemical and structural information extraction, revealing spatial distribution and spectral anomalies of individual components.
Researchers at KFU's bionanotechnology lab used atomic force microscopy (AFM) to create 3D images of nematode cuticles. The study revealed new insights into the surface anatomy of Caenorhabditis elegans, a widely used model organism in genetics and biology research.
Researchers at UT Dallas have created a miniaturized atomic force microscope on a chip, reducing the size and potential cost of the device. This breakthrough technology has the potential to expand the instrument's utility beyond current scientific applications, including the semiconductor industry.
Physicists at the University of Basel have developed a new type of atomic force microscope using nanowire sensors to measure forces with unprecedented precision. The device can detect not only the magnitude but also the direction of forces, making it a significant advancement in sensing applications.
Researchers have developed a new way to reveal crystal features in functional materials using infrared light, allowing for detailed imaging at the nanoscale. The technique enables better design and optimization of material properties, with applications in electronics, energy conversion, and biological studies.
Physicists watched a silver catalyst at work using an atomic force microscope, calculating energy turnover and optimizing catalysis. The Ullmann reaction was observed at atomic resolution, revealing unusual spatial arrangements of intermediate products.
Researchers at KIT developed tailored probes for atomic force microscopes using 3D laser lithography, enabling precise adaptation to various biological samples. The new probes can be produced in any shape and are perfectly suited for studying nanostructures in biology and engineering.
A team of Karlsruhe Institute of Technology researchers has developed a method to tailor AFM probes with unique designs using 3-D direct laser writing based on two-photon polymerization. The technique enables the creation of custom probes with nanoscale precision, opening up new possibilities for analyzing samples at the atomic scale.
Researchers at the Swiss Nanoscience Institute and University of Basel measured van der Waals forces between individual atoms for the first time. The forces varied according to distance, with some cases showing values several times larger than calculated.
A team of chemists and physicists used atomic force microscopy to capture snapshots of molecules reacting on a catalyst's surface, revealing intermediate structures lasting for up to 20 minutes. This breakthrough expands the toolbox for designing new catalytic reactions and has implications for fields like materials science and medicine.
Engineers at MIT have designed an atomic force microscope that scans images 2,000 times faster than existing models, capturing chemical processes taking place at the nanoscale in near-real time. The instrument produces high-resolution 'movies' of condensation, nucleation, dissolution, and deposition of material.
The Hybrid Photonic Mode-Synthesizing Atomic Force Microscope combines nanospectroscopy and nanomechanical microscopy, allowing for rapid non-invasive exploration of materials' surface and subsurface. Researchers can study synthetic and biological samples with high resolution and spectroscopic capabilities.
Researchers developed Hybrid Photonic-Nanomechanical Force Microscopy (HPFM) to identify materials' unique chemical 'fingerprints', mapping their properties at higher spatial resolution. The technology has potential applications in fields like biofuel production, solar energy and pharmaceuticals.
Researchers have made a breakthrough in understanding how deactivation of a key protein leads to breast cancer metastasis. The new high-speed atomic force microscopy (AFM) technique allows for the first time to image live breast cancer cells, providing insights into the physical properties and dynamics of these cells.
Engineers from Penn and ExxonMobil have uncovered the molecular mechanisms behind a common anti-wear additive used in motor oil. The study reveals that the additive forms a 'tribofilm' through stress-activated growth, providing a cushion effect against wear and tear.
Researchers discover cluttered jumble of randomly oriented nanocrystallites at interface, impeding charge-carrier mobility and device performance. A novel microscopy technique reveals the role of solution-processing methods in creating optimal film structures.
Researchers at ORNL used atomic force microscopy to fabricate nanoscale patterns in polymerized ionic liquids, exhibiting unique properties and potential applications in lithium batteries, transistors, and solar cells. The study showcases the technique's promise for alternative nanofabrication methods.
Scientists from Forschungszentrum Jülich and the Academy of Sciences of the Czech Republic used computer simulations to gain deeper insights into scanning tunneling microscopy. The results show excellent agreement between experimental results and simulations, enabling the analysis of images with unprecedented accuracy.
Scientists at Forschungszentrum Juelich re-measured the van der Waals force for single molecules, revealing a superlinear increase with growing molecular size. The study highlights the importance of van der Waals forces in biomolecules and adhesives, such as geckos' ability to climb smooth walls.
Researchers at Australian National University developed a technique to cool nanowire probes with lasers, increasing their sensitivity 20 times and enabling detection of tiny forces. This could improve the resolution of atomic force microscopes, measuring nanoscopic structures and molecular interactions.
Researchers at the University of Basel successfully pulled isolated molecular chains from a gold surface using atomic force microscopy. The experiment revealed the detachment force and binding energy of molecules, providing new insights into the mechanical behavior of single polymers.
Researchers observed 'dissipation' peaks in NbSe2 due to frictional force, related to charge density waves. Their theoretical model reproduces experimental data, shedding light on nanofriction mechanisms underlying energy losses.
Researchers observed strong energy loss due to frictional effects near charge density waves. The study has significant implications for controlling nanoscale friction.
Researchers in Singapore create conductive nano-filaments in amorphous titanium dioxide thin films for resistive switching applications. The high density of uniformly distributed nano-filaments implies the possibility of making high-density memory cells, offering great advantages over current technology.
The 3D NanoChemiscope enables simultaneous analysis of mechanical and chemical properties in three dimensions, revolutionizing surface analysis. By combining a scanning force microscope and high-end mass spectrometer, researchers can study the composition and structure of surfaces with unprecedented precision.
Researchers at Aalto University and Utrecht University have successfully created single atom contacts between gold and graphene nanoribbons. This breakthrough demonstrates how to make electrical contacts with single chemical bonds to graphene nanoribbons, enabling the use of graphene nanostructures in future electronic devices.
Researchers have taken direct, single-bond-resolved images of individual molecules before and after a complex organic reaction, revealing atomic changes. The technique used is non-contact Atomic Force Microscopy (nc-AFM), allowing for the precise study of molecular structures.
Researchers developed nanostructures made of graphene using a new, controlled approach to chemical reactions. They used atomic force microscopy to track individual carbon atoms and their bonds in real-time.
Researchers at UC Berkeley use a state-of-the-art atomic force microscope to take the first atom-by-atom pictures of chemical bonds, revealing how a molecule's structure changes during a reaction. This breakthrough technique will help chemists fine-tune reactions and study heterogeneous catalysis.
Researchers harness advanced atomic force microscopy to track nanomedicine effects on patients, revealing potential benefits in drug delivery and safety. The technique helps identify nanoparticle accumulation and tissue stiffness, offering insights into nanotoxicology and its impact on patient health.
Researchers have developed a new way to learn how good cells go bad by studying the mechanical and biochemical behavior of cells simultaneously. This technology combines atomic force microscopy and nuclear magnetic resonance, allowing for detailed insights into disease processes.
Researchers at the University of Illinois developed a novel technique called atomic force microscope infrared spectroscopy (AFM-IR) to measure chemical properties of polymer nanostructures as small as 15 nm. This technique enables accurate identification of material composition, crucial for applications in semiconductors, composite mat...
Scientists harness Stocastic Resonance to convert electric energy into mechanical motion in a molecule of hydrogen. This breakthrough enables design of artificial molecules with controlled oscillation.
Researchers have created a new technology called standing wave axial nanometry (SWAN) that allows for 3D measurements of single biological molecules with nanometer accuracy. This breakthrough enables scientists to study the height and interactions of individual molecules, advancing our understanding of cellular behavior.
Researchers developed nano-FTIR, combining s-SNOM and FTIR spectroscopy for nanoscale chemical identification and mapping. The technique offers high sensitivity and resolution, making it a unique tool for polymer chemistry, biomedicine, and pharmaceutical industry.
A new microscope probe-sharpening technique has been developed to improve imaging resolution and durability for researchers studying tiny structures. The technique, described in Nature Communications, uses a matching voltage to deflect ions and sharpens the probe around the tip, preserving the point and increasing stability.
JILA researchers discovered that removing the gold coating on atomic force microscope (AFM) probes improves force measurements in liquid, reducing the error range by 10 times. This breakthrough enables precise measurement of fast processes like protein folding and unfolding.
Researchers use bimodal dual AC mode microscopy to analyze eye tissue damaged by scarring in diabetic patients. The study provides detailed information on the composition and surface characteristics of these tissues.
Researchers have developed a closed-loop fabrication method to tailor graphene into desired edge structures and shapes. The technique uses interaction forces as real-time feedback, allowing for precise cutting control. This innovation has the potential to fabricate large-scale graphene-based nanodevices at low cost with high efficiency.
Researchers at the University of Illinois have developed a new technique for nanoscale thermal analysis, enabling rapid measurements on stiff materials. This method uses magnetic actuation to modulate the tip-sample force near the atomic scale.
A new kind of electro-thermal nanoprobe can independently control voltage and temperature at a nanometer-scale point contact. This probe enables the measurement of nanometer-scale properties of materials such as semiconductors, thermoelectrics, and ferroelectrics.
Penn and Brown researchers discovered an aspect of friction on the nanoscale that may lead to a better understanding of earthquakes. The team used atomic force microscopy to simulate rock-on-rock contact with different materials, revealing stark differences in frictional aging.
Researchers at the University of Bristol have developed a novel approach for studying molecules within their natural environment, allowing for unprecedented detail on bacterial infection mechanisms. The breakthrough utilizes a lateral molecular force microscope to measure biological phenomena directly on a living cell surface, enabling...
University of Pennsylvania researchers have developed a way to form biological molecules that can be directly integrated into electronic circuits. A new microscope technique was also developed to measure the electrical properties of these devices.
Scientists at NIST have developed a method to measure the wear and degradation of AFM tips in real time, allowing for dramatic improvements in precision and speed. This technique uses contact resonance force microscopy to track the resonant frequency of the sensor tip, enabling atomic-scale resolution and reducing inaccuracies.
A team led by Sanjeevi Sivasankar at Iowa State University has developed a new instrument that can study individual biological molecules, advancing biomedical research, drug discovery, and cancer diagnostics. The instrument combines technologies to observe single molecules with high resolution.
Researchers use a tightly focused, low-power laser beam to optically scan the area and identify target locations by minute changes in scattered light. This technique solves the 'needle in a haystack' problem of nanoscale microscopy, finding nanoscale objects with precision.
Scientists from Friedrich-Schiller-University Jena developed a new process to grow carbon nanotubes on scanning probe tips, utilizing microwave radiation for rapid growth. The method improves the fabrication of sharp atomic force microscopy tips, reducing costs and enabling routine measurements.
Ohio State University researchers conducted experiments to test commercially available Li-ion batteries thousands of times, finding irreversible changes at the nanoscale that lead to battery loss of charge. The study suggests that coarsening of electrode materials may be responsible for this loss.
Researchers at Purdue University have developed a new technology enabling tiny machines to self-calibrate, leading to super-accurate sensors for crime scene forensics, environmental testing and medical diagnostics. This innovation could revolutionize fields like tracking criminal suspects and detecting hazardous substances.
Researchers at NIST have developed a technique using atomic force microscopy to study subsurface conditions in nanostructured composite materials. The method, which uses electrostatic forces, allows for the mapping of electric potential distribution and quantification of carbon nanotube concentrations.
A new instrument, Centrifuge Force Microscope (CFM), uses centrifugal force to manipulate molecules, offering a low-cost and simple approach to single-molecule manipulation. This technique enables researchers to study the interactions of thousands of molecules simultaneously.