Articles tagged with Fluorescence Microscopy
A new deblurring algorithm has been developed to improve the resolution of microscopy images without amplifying noise. This breakthrough technique, called 'deblurring by pixel reassignment,' uses local gradients to sharpen images while preserving larger structures.
A team of researchers has developed a new visualization tool combining high-speed cameras and fluorescent injection to distinguish tumor tissue from normal tissue across cancer types. The technique, known as fluorescence lifetime (FLT) imaging, achieved an accuracy of over 97% in distinguishing tumor tissue from healthy tissue.
Cells employ a protective mechanism to preserve orphan ribosomal proteins during heat shock, allowing for rapid recovery once the stress subsides. This study uses lattice light sheet 4D imaging and pulse labeling with HaloTag dye to visualize these processes in real-time.
Heart cells in developing zebrafish transition from silence to beating in a simultaneous, coordinated manner. Each cell can beat independently, and the heartbeat starts from different locations in different zebrafish.
Researchers have identified essential genes for the growth of Patescibacteria, a group of tiny microbes that live on larger bacteria. The study provides insights into their unique biology and potential biotechnology applications.
Researchers at UC Davis have developed SparkMaster2, an open-source software that analyzes normal and abnormal calcium activity in human cells. The tool can identify calcium sparks associated with irregular heartbeats, or arrhythmia, enabling better understanding of the underlying biology.
A new nano-sized force sensor developed by Tampere University researchers allows for the measurement of intracellular forces and mechanical strains. This technology has great potential for studying cancer cells and understanding cellular mechanics.
Imperial researchers have imaged Piezo1 channels in human cells and organs, revealing their role in regulating blood pressure, respiration, bladder control, and the immune system. This breakthrough could lead to a better understanding of their role in fundamental physiological processes and potentially new drug targets for diseases.
Researchers used DNA-PAINT to study base-stacking interactions in DNA strands, finding that adding one more interaction increases stability by up to 250 times. This information allowed them to design a highly efficient three-armed DNA nanostructure with potential biomedical applications.
The new microscope uses structured illumination and optical fibers to achieve fast super-resolution imaging over a wide field of view, enabling the study of individual cell responses to various drugs. The system can image multiple cells simultaneously with high resolution, providing statistical information about cell response.
Researchers at Emory University have discovered a new paradigm for understanding how actin filaments are formed and fine-tuned in cells. They found that three proteins - formin, twinfilin, and capping protein - work together to regulate the activity of actin filaments, allowing for more precise control of cellular movement.
Lead-free Cs3MnBr5 anti-perovskite nanocrystals embedded in glass matrices enable tunable emission and ultra-stable X-ray imaging. The results achieve exceptional X-ray detection limits, spatial resolutions, and dose irradiation stability.
Researchers created a new method, RESORT, to image and analyze living systems in unprecedented detail. The technique combines benefits of super-resolution fluorescence and vibrational imaging, allowing for high spatial resolution and analysis of complex interactions.
Researchers developed a new spectropolarimetric imaging technique called DIP-SP, which integrates a passive polarization modulator into an imaging spectrometer. This approach enables high-dimensional information capture from incomplete measurements and significantly improves image quality.
Researchers found that coronaviruses, like SARS-CoV-2, bind to individual monomeric ACE2 receptors on host cells, rather than forming dimers or oligomers. This interaction is sufficient for infection and contributes to the virus's high infectiousness.
Researchers developed a novel endoscopic imaging system with a bioinspired sensor that can detect multiple fluorescent probes, enabling more accurate fluorescence-guided cancer surgery. The system showed improved spatial resolution and sensitivity in detecting tumors, paving the way for the adoption of multi-tracer FGS.
Researchers found that cells store extra 'skin' in folds and bumps on their surface to rapidly deploy temporary protrusions. This allows cells to move safely while maintaining cell volume and membrane integrity.
Researchers have created a detailed map of human retinal organoid development, revealing information on cell types, proteins, and gene expression. The study uses advanced imaging techniques to visualize multiple proteins simultaneously and provides insights into retinal diseases such as retinitis pigmentosa.
Scientists have developed a new method to deliver genetic information to stem cells using nanoparticles coated with a specific polymer, enabling more efficient control over cellular differentiation. This innovation has the potential to improve the efficiency and effectiveness of regenerative medicine treatments.
Researchers have discovered that nuclear pore IDPs form a dynamic barrier that allows essential cellular factors to pass while blocking viruses and pathogens. The team used synthetic biology, multidimensional fluorescence microscopy, and computer-based simulations to study IDPs in living cells.
Researchers used microscopy techniques to study polyfluorene chains and found that intra-chain aggregation causes green emission, which disappears when the chain unfolds. The team also discovered a novel optomechanical force acting on some chains, originating from van der Waals interactions and excitonic coupling.
A new Raman probe, 9CN-JCR, has been developed for detecting multiple enzyme activities in heterogeneous biological tissues. The probe exhibits high sensitivity and multiplexing ability, making it a promising tool for cancer diagnosis and research.
A new study reveals that different species of bacteria colonize specific areas on diatoms, reflecting their metabolic properties. The findings provide insight into the complex interactions between algae and bacteria in marine environments.
Scientists have developed a method to activate protein functions using brief flashes of light, enabling precise control over when and where chemical reactions occur. This technology has potential uses in tissue engineering, regenerative medicine, and understanding biological processes.
Researchers develop a new technique to measure blood attenuation using a fluorophore-coated guidewire, improving the accuracy of near-infrared fluorescence in cardiovascular imaging. The method provides accurate information on vessel walls and outperforms existing correction methods.
A new technique combines machine learning with short-wave infrared fluorescence imaging to detect precise tumor boundaries with higher accuracy than traditional methods. The approach achieved a remarkable per-pixel classification accuracy of 97.5 percent and demonstrated robustness against changes in imaging conditions.
Researchers have developed a multidisciplinary approach using a new microscope, artificial intelligence algorithm, and voltage indicators to better measure brain activity. The technique enables the imaging of up to 100 neurons at a time, far surpassing previous limits.
Researchers have developed a high-speed, 3D gigapixel microscope that stitches together dozens of cameras to capture life in unprecedented detail. The device enables the recording of differences in pitch and depth, allowing scientists to study zebrafish behavior and developmental biology without harming the animals.
Researchers have developed a super-resolution microscope with a spatio-temporal precision of one nanometer per millisecond using the MINFLUX technique. This allows them to observe tiny movements of single proteins, including the stepping motion of kinesin-1 along microtubules while consuming ATP.
Molecular biologist Shixin Liu is recognized for developing cutting-edge biophysical tools to visualize and understand biomolecular machines. His work aims to establish a quantitative input-output relationship between environmental stimuli and gene expression profiles.
Researchers developed temporal compressive super-resolution microscopy (TCSRM) to overcome optical diffraction's spatial resolution restriction. TCSRM achieves high-speed imaging at 1200 frames per second with a spatial resolution of 100 nanometers, enabling observation of fast dynamics in fine structures.
Researchers developed a new method combining pMINFLUX microscopy with graphene energy transfer, enabling axial precision of less than 3 angstroms. This allows for the study of molecular structures and dynamics at the nanoscale, fundamental for understanding cellular biomolecular reactions.
A proof-of-principle study introduces a 'glowscope' - a $50 device that converts smartphones into fluorescence microscopes. The device allows for low-magnification imaging of cells, tissues, and organisms under fluorescent lighting.
Researchers have designed a novel imaging and experimental preparation system to record the activity of the enteric nervous system in mice, providing new insights into the complex processes of digestion and waste elimination. The findings suggest that physical distention of the gut controls how the entire neural network is coordinated.
Scientists develop two-beam ultrafast laser scribing technology to fabricate ultrafine graphene patterns with sub-diffraction feature size. The technique overcomes the diffraction limit barrier, allowing for precise control over patterned structures.
Researchers developed BrightEyes-TTM, an open-source stopwatch to study molecular interactions inside living cells. The platform records the lifetime of fluorescent molecules, providing insights into cellular structure and function.
A new biopsy procedure is developed with a multispectral confocal endomicroscope to aid in lung tissue imaging. The system allows for simultaneous imaging of multiple fluorescent dyes, enabling unique identification and spectral unmixing.
Researchers have developed an innovative amputated human limb model to evaluate molecularly targeted fluorescent probes for human tissues. The model allows for controlled testing of imaging agents with zero risk to patients, improving the accuracy and safety of surgical procedures.
Researchers from Osaka University developed a new fluorescent sensor system to visualize N-cadherin-mediated interactions between living cells. The INCIDER system enables accurate tracking of temporal changes in these interactions, with a fluorescence signal 70 times stronger than existing methods.
A new mesoscopic oblique plane microscopy method captures up to three times more resolvable image points than other similar systems, enabling whole-body volumetric recordings of neuronal activity and blood flow dynamics. The technique allows for single-cell tracking within the complete 3D circulation system for the first time.
Researchers developed a photon-efficient volumetric imaging method, laterally swept light-sheet microscopy (iLSLM), which improves axial resolution and optical sectioning while reducing photobleaching. iLSLM outperforms conventional methods like swept focus light-sheet microscopy in terms of resolution and photon efficiency.
Scientists have created a way to track brain diseases like depression, Alzheimer's, and strokes using fluorescent mouse blood. The method allows for months-long study of blood flow in the brain, providing new insights into disease progression and development.
Researchers from the University of Kassel developed an approach to extend the limits of interferometric topography measurements for optical resolution below small structures. Microsphere assistance enables fast and label-free imaging without requiring extensive sample preparation.
Researchers used live fluorescence imaging experiments to uncover the mechanism behind cell volume regulation, revealing that WNK kinases activate the 'switch' through phase separation. This discovery has implications for human health, particularly in relation to kidney function and salt-sensitive hypertension.
A new genome imaging technique captures the structure of the human genome at unprecedented resolution, revealing how individual genes fold and work. This technique, called Modeling immuno-OligoSTORM (MiOS), combines high-resolution microscopy and advanced computational modeling to provide a detailed picture of gene shape and function.
Researchers propose an optical imaging system for real-time hypoxia imaging in cancer treatment. The technique utilizes protoporphyrin IX to enhance contrast between tumors and healthy tissues, allowing for more effective surgical removal.
Researchers developed a low-cost, simple imaging system using tumor-targeting fluorescent molecules to determine tumor depth. The portable system provides quantitative information about the depth of tumor cells in the body, helping surgeons remove healthy tissue around tumors for better outcomes.
Researchers at Universiteit van Amsterdam use fluorescence microscopy and specialized molecules to study the transition from static to dynamic friction. They find that a slip wave propagates from the edge towards the center of the contact area just before sliding occurs.
Researchers developed a new holographic microscope that can see through the intact skull and image the neural network of a living mouse brain with high resolution. The technology uses a wave correction algorithm to filter out multiple scattered light waves, allowing for sharper images.
Scientists at EPFL have created an intelligent microscope that uses artificial neural networks to automate image acquisition and reduce sample stress. The technique can capture more detailed images of bacterial division and mitochondrial constrictions, leading to a better understanding of these rare biological events.
Researchers developed a novel way to visualize densely packed molecules using expansion microscopy, allowing for the first time their imaging. The technique enables visualization of nanostructures found in neurons and Alzheimer's-linked amyloid beta plaques.
A team of researchers developed a deep learning pipeline to analyze vascular system images of plants with high accuracy. The pipeline can detect vascular bundles, identify specific zones, and perform statistical analysis of traits in different stem internodes. This study has the potential to improve crop resilience and food security.
Researchers developed a novel method to visualize proteins secreted by cells with high resolution, using plasmonic-fluor technology. The FluoroDOT assay is versatile, low-cost and adaptable, providing a more comprehensive look at these proteins.
Researchers discovered that CAMSAP2 proteins utilize phase separation to form an 'aster' structure, which then organizes into a microtubule network. This process is crucial for the formation of specialized cell shapes, such as those found in heart muscle and nerve cells.
Researchers developed a non-invasive ocular imaging method to detect flavoprotein fluorescence in the eye, indicating mitochondrial oxidative stress. This technique may predict glaucoma progression earlier than current methods, with similar sensitivity to visual field changes.
Researchers developed a mathematical model to predict the efficiency of nanoparticle delivery into cells, particularly in stem cells. They found that nanoparticles become trapped in bubble-like vesicles, preventing them from reaching their targets.
Researchers developed a novel frequency-domain method to selectively suppress background noise in STED microscopy, achieving higher spatial resolution and improved signal-to-noise ratio. The approach has potential applications in various dual-beam point-scanning techniques.
Researchers will develop and test new beacon molecules and imaging equipment to improve the detection and removal of non-small-cell lung cancers, aiming to reduce unnecessary tissue removal. The goal is to enhance surgical outcomes and improve patient care.
A research team developed a novel super-resolution microscopy technique combining metal-induced energy transfer and single-molecule localization microscopy. The method achieves isotropic three-dimensional imaging of sub-cellular structures, allowing for high-resolution analysis of protein complexes and organelles.
The Biofinder instrument has successfully detected bio-residue in ancient fish fossils from the Green River formation, confirming that biological residues can survive millions of years. The device's capabilities make it an ideal tool for future NASA missions to detect signs of past life on other planetary bodies.