Articles tagged with Cell Structure
Researchers developed a hot-carrier multijunction solar cell that maintains high conversion efficiency with nonoptimal materials, expanding the scope of candidate designs. The novel architecture showed superior resilience to design imperfections, widening the range of suitable materials and operating conditions.
Researchers have gained unprecedented insights into the heart's dynamic ultrastructure using high-resolution electron microscopy. This knowledge is crucial for developing new therapeutic concepts for heart attacks and cardiac arrhythmias.
Electrical synapses play a vital role in brain function and stability, influencing individual nerve cell activity. In Drosophila, researchers found electrical synapses occur in almost all brain areas, affecting visual processing and neuron stability.
Researchers discovered that by four days after mating, close to 20% of fruit fly sperm proteins are female-derived. Female proteins bind to sperm inside the female, potentially supporting their viability.
A new bacterial strain, Noda2021, belonging to Candidatus phylum Dependentiae has been isolated and sequenced, revealing its genetic material and potential ecological significance. This discovery sheds light on the diversity of microorganisms in Japan's microbiological hotspots.
Researchers demonstrate a two-terminal tandem solar cell with enhanced efficiency through spectrum splitting, achieving a 5-6% gain in absolute efficiency. The design uses planar and Lambertian spectral splitters to effectively distribute sunlight among the top and bottom cells.
Researchers have developed an AI-based method to analyze cryo-electron microscopy data, enabling the simultaneous examination of multiple protein complexes in cells. This breakthrough can lead to a better understanding of protein functions and potentially create new treatments for diseases like Alzheimer's and cancer.
Researchers at the University at Buffalo have created model protein-RNA droplets with properties similar to those of viscoelastic Maxwell fluid and Silly Putty. These droplets exhibit dual behavior, acting like both elastic solids and viscous liquids, depending on the timescale.
Scientists at ORNL developed a scalable, low-cost method to improve materials joining in solid-state batteries, resolving one of the big challenges in commercial development. The electrochemical pulse method increases contact at the interface without detrimental effects, enabling an all-solid-state architecture.
Researchers at the University of Notre Dame discovered that aging breast tissue can lead to increased invasiveness-related gene expression in normal epithelial cells. This finding suggests that a decline in extracellular matrix composition and structure may contribute to the development of invasive breast cancer.
A new study from the University of Gothenburg introduces an AI-based method to develop faster, cheaper, and more reliable information about cells using microscopy. This approach eliminates the drawbacks of traditional fluorescence microscopy by providing accurate results without damaging cells or inhibiting processes.
Scientists have developed an improved technique to trace brain connections between neurons in zebrafish using vesicular stomatitis virus (VSV), enabling the visualization of connected neurons up to five days after infection. This breakthrough could provide insights into brain network connectivity repair after injury or disease.
A new machine learning algorithm has enabled researchers to automatically identify and map the inner structures of cells, including organelles, with unprecedented precision. By processing tens of thousands of high-resolution images, scientists have gained insights into how these structures interact and are arranged within the cell.
Researchers adapted classical nucleation theory to understand protein assembly in cells, predicting precise locations and times for droplet formation. The approach offers a new understanding of cell biology and potential control over complex soft materials.
Researchers identified specialized immune cells in cauliflower coral and starlet sea anemone that can fight infection. These unique cell types were previously unknown and have implications for understanding coral resilience to climate change.
HKU researchers found that active intercellular contraction and actin filament alignment trigger cellular anisotropy and plasticity, driving embryo elongation. This breakthrough may lead to new strategies in detecting and treating embryo diseases.
Researchers from Nara Institute of Science and Technology developed a machine learning program that accurately predicts the location of proteins related to actin in cells. The program achieved a high degree of similarity with actual images, showing promise for future applications in cell analysis and artificial cell staining.
Researchers analyzed over 19,000 comb cells built by 12 colonies and found that worker bees adapt their building behavior to overcome various challenges, such as merging unaligned cells. The study suggests that honeybees are skilled architects rather than automatons, capable of solving complex problems through creative solutions.
Researchers created a new solar cell design using 3D nanocomposites, increasing efficiency by a factor of five. The unique architecture helps overcome material limitations, enabling easier manufacturing and improved durability.
Researchers develop Proteus, a lightweight material that turns back the force of cutting tools upon itself, making it resistant to angle grinders, drills, and high-pressure water jets. The unique structure of ceramic spheres encased in cellular aluminium creates an interlocking, vibrational connection that repulses any attack.
Purdue researchers develop new technology to overcome resolution limit of light-based microscopy, allowing for high-resolution imaging of biomolecules within cells. This advancement has the potential to reveal structural complexities in neurodegenerative diseases like Alzheimer's, enabling better understanding and treatment.
Researchers at Trinity College Dublin have discovered that the overactive LRRK2 enzyme wreaks havoc on motor and cognitive abilities in Parkinson's disease. The team has simulated the activity of the enzyme in the laboratory, visualizing its effects on protein complexes and paving the way for new treatments.
Researchers at Ludwig-Maximilians-Universität München have developed a tool that allows for the selective degradation of essential proteins in cells using light or chemicals. This method enables the study of protein function without relying on genetic mutations or gene deletion, which is often not possible for essential proteins.
The study uses low-temperature scanning electron microscopy to image the nanoscale architecture of tree cell walls in their living state. It reveals that macrofibril structures with a diameter exceeding 10 nanometres are common across all trees studied, providing new insights into wood's mechanical properties.
Researchers at the University of Pennsylvania have developed a theoretical framework that describes how pollen patterns form through phase separation. This discovery provides new insights into the intricate structures found in nature and could lead to the development of innovative materials.
A team of researchers has discovered a 'blind spot' in atomic force microscopy that can lead to incorrect results due to the use of certain force laws. However, they have also developed a new mathematical method to identify and avoid this issue, safeguarding atomic force measurements from inaccurate results.
Kanazawa University researchers create organic solar cells using wet processing method with molecule alignment, leading to improved light absorption and charge transport. The CuI layer introduction achieves a ten times higher substrate-facing orientation of active molecules.
Researchers at USTC fabricate a family of polymeric woods with similar cellular structures to natural wood, exhibiting lightweight and high-strength properties. The novel strategy involves self-assembly and thermocuring processes using traditional resins, offering a green approach to prepare multifunctional artificial woods.
Purdue University researchers have created the most accurate picture of Zika virus to date, finding probable drug-binding pockets on its surface. This breakthrough has the potential to lead to the development of vaccines and therapeutics for this mosquito-borne disease.
The 5TONIC consortium is demonstrating use cases for next-generation wireless technologies, including smart factory applications and cell virtualization. With the deployment of CommScope's OneCell C-RAN small cell solution, they are accelerating the development of 5G networks and improving spectrum efficiency.
Researchers create a new approach to machine learning using a single-layer neural network that can analyze images with limited training data. The algorithm, called MS-D, requires far fewer parameters than traditional methods and has the ability to learn from a remarkably small set of images.
Researchers at Queen Mary University of London discovered a new mechanism by which heart cells sense stiffness, involving both contraction forces and resting tension. The study found increased resting tension in heart cells after a heart attack or disease, leading to abnormal mechanosensing and signalling that contributes to heart fail...
Researchers have discovered that mesoporous perovskite solar cells exhibit better output stability than their planar counterparts due to the large surface area of the interface. The mesoporous structure dilutes defects, leading to a more stable power output and increased resilience to defect accumulation.
Researchers suggest brain expansion and renormalization occur during skill acquisition, with brain volume increasing initially before returning to normal.
Researchers at Baylor College of Medicine developed a new automated method that significantly reduces the time to dissect the 3D structure of a single cell, from one week to about an hour. This enables the detailed study of cellular processes and disease, leading to a better understanding of cellular architecture and structures.
Researchers developed a novel approach to study Li-ion battery failure under short-circuit conditions, gaining insights into cell design vulnerabilities and thermal runaway propagation. The findings provide new knowledge to improve battery safety and reliability for portable electronics, electric vehicles, and grid-scale storage.
Researchers at Boston University School of Medicine studied Zika virus-infected cells using light and electron microscopy, revealing dramatic changes in cell architecture. These findings support the development of new therapeutics targeting both Zika and related viruses like Dengue.
Physicists at Bielefeld University develop new nanoinjection method that increases survival rate of cells to 92%, surpassing traditional microinjection's 40% success rate. The technique enables precise delivery of fluorescent molecules into living cells, opening up new possibilities for cellular research and experimentation.
Researchers at Duke University have developed a new laser technique to measure the stiffness of individual cancer cells, which is correlated with cellular disorder. This technique has the potential to enable high-throughput screening for early cancer detection, allowing for rapid and accurate diagnosis.
Scientists at the University of Maryland School Medicine have elucidated details about synaptic transmission, a crucial aspect of brain function. They discovered an unexpected and precise pattern in neurotransmission using single-molecule imaging, revealing the core architectural structure of synapses.
Regenerative medicine researchers at Wake Forest Baptist Medical Center have found that decellularized human pancreata can be used as a platform for building a new bio-artificial pancreas. The study successfully re-populated the organ structures with patient cells and showed promising results in animal trials.
Researchers at Wake Forest Baptist Medical Center have made progress in recycling human kidneys for transplantation. The team successfully preserved the micro-vessels and growth factors within discarded kidneys, paving the way for tailor-made replacement kidneys.
Researchers at RIKEN achieved a power conversion efficiency of 10% in polymer solar cells, bringing them closer to commercial viability. The key to their success lies in the optimized molecular orientation of the materials, which improves electron transport and enhances overall efficiency.
Cell division relies on a collective process rather than a single molecular architect. The cleavage furrow's formation is driven by chemical signaling and mechanical processes, not just one key protein.
Scientists at EMBL have developed a new technique called SNAP-tagging that allows researchers to study nerves in mice with unprecedented detail. This approach uses artificial tags to visualize complex structures and enable the tracking of activity in individual neurons.
Researchers at MIT have achieved a long-sought goal of creating particles that can emit a colorful fluorescent glow and be precisely manipulated into position within living cells using magnetic fields. The new technology could enable tracking the position of nanoparticles as they move within the body or inside a cell, and manipulate th...
Scientists at the University of Kent have discovered how cells regulate internal structures, known as actin filaments. The research could lead to new therapies for diseases like cancer.
A study by Universidad Carlos III de Madrid reveals that nanofoams follow the same universal laws as soap lather, with small bubbles disappearing in favor of larger ones. The researchers used an atomic force microscope to observe the evolution of nanostructures during ion radiation.
Researchers have found a way to slow down the formation of amyloid plaques, a hallmark of Alzheimer's disease, by rescuing the Golgi structure in cells. By inhibiting an enzyme or expressing a mutant protein, the researchers were able to decrease harmful Abeta secretion by 80 percent.
Researchers from the University of Pittsburgh and Brandeis University have provided experimental evidence validating Alan Turing's theory of morphogenesis in cell-like structures. The study confirms the prediction of six different patterns and discovers a seventh, demonstrating how identical biological cells differentiate into distinct...
Researchers at NIST have developed a way to measure and classify the shapes cells take in different environments. By analyzing these shapes, they can compare and differentiate various scaffolds used in tissue engineering, enabling more effective cell growth and development into viable tissues.
A new microscope allows scientists to capture the movements of atoms and molecules at the nanoscale, revealing crucial functions in nanoscale devices. This breakthrough has applications in nanoelectronic technologies and clean-energy industries.
The NREL team developed a breakthrough method using microscopic imaging to study the relationships between biomass cell wall structure and enzyme digestibility. They found that understanding the localization of enzymes and their effects on the cell wall is crucial for optimizing sugar yields and reducing costs in biofuel production.
Researchers at Rice University developed a methodology to optimize the sensitivity of photoluminescent probes using time-resolved spectroscopy. Their technique gave results nearly twice as good as standard fluorescence spectroscopy when probed for specific DNA sequences, improving signal-to-background noise ratio.
Researchers at Beckman Institute developed a fast, non-invasive 3D microscopy method that visualizes E. coli sub-cellular structure in three dimensions without disturbing the specimen or using fluorescence or contrast agents.
A multidisciplinary team of researchers has developed the world's lightest material, boasting a density of 0.9 mg/cc and unparalleled mechanical behavior. The novel material's unique micro-lattice cellular architecture enables complete recovery from compression exceeding 50 percent strain and extraordinary high energy absorption.
Researchers have developed a new theory to understand slow dynamics of polymers in liquids under fast-flow, high-stress conditions. The theory explains how polymer molecules respond and predicts tube confinement and reptative motion.
Actin filaments, key components of cell structure, display snakelike movement but are limited by crowding; researchers created a novel approach to track individual filament motion, revealing their movement is more like a conga line on a crowded dance floor
Researchers found that root shape determines hormone concentration and triggers new growth regions, sharing a deep evolutionary relationship with shoot patterning. This discovery uses computational modeling and highlights the power of interdisciplinary approaches in probing organismal architecture.
The Scripps Research Institute has solved the 3-D structure of Senecavirus, a viral genus that infects solid tumors such as small cell lung cancer. The unique virus shape and RNA arrangement reveal potential binding sites to cancer cells, paving the way for improved therapeutic applications.