Articles tagged with Fluorescence
Researchers at Vanderbilt University have developed the world's smallest periscope, allowing for multi-vantage-point imaging of cells and micro-organisms. This technology enables scientists to study dynamic processes within cells in three dimensions, providing a high resolution form of microscopy.
A Yale University study finds that compact fluorescent lighting can increase mercury emissions in certain countries and US states, offsetting energy conservation gains. The switch to CFLs may reduce emissions in some areas, such as Estonia and China, but increase them in others, like South America and parts of Europe.
Research published in BMC Ecology reveals at least 32 reef fish species exhibiting red fluorescence, a previously unknown signaling mechanism. The authors speculate that this phenomenon may serve as a private communication system among fish, allowing for attraction and presence detection.
Researchers at Scripps Research Institute have discovered the mechanism behind the bright blue glow of fluorescent monoclonal antibodies, which could lead to the development of novel biosensors. The study found that a specific charge recombination between an electron hole and stilbene creates this effect.
A new technique called Fluorescence Diffuse Optical Tomography has been developed to image breast cancer in patients with high contrast. The method uses fluorophore molecules that re-radiate fluorescent light, providing richer information about tumor physiology.
Scientists at Vanderbilt University have overcome a major obstacle in producing fluorescent nanotubes, which can be used as contrast agents in cells and tissues. The breakthrough allows for the creation of trillions of nanotubes with high quantum efficiency, making them suitable for medical applications such as anti-cancer treatments.
Researchers at the University of Illinois have developed microcavity plasma lamps that produce bright light with high efficiency, surpassing traditional incandescent and fluorescent lighting. The panels are lightweight, thin, and can be packed into a single panel containing over 250,000 individual lamps.
Researchers at UC Davis have created luminescent, magnetic nanoparticles that can be used for tests of environmental pollution and contamination in food products. The particles can also be labeled with antibodies or DNA for genetic analysis, and have the potential to revolutionize medical diagnostics.
Researchers at Weizmann Institute create ultra-miniaturized keypad locking mechanism using fluorescent probes and iron ions. They achieve distinguishable outputs by controlling the logic gate within a reaction time frame.
Yale researchers have developed a method to count absolute numbers of individual protein molecules inside living cells and measure their locations with high accuracy. This breakthrough addresses fundamental hurdles for studying biology quantitatively, enabling the measurement of protein concentrations in various cellular structures.
The Harbor Branch Oceanographic Institution's Deep Scope expedition has made several groundbreaking discoveries, including the detection of ultra-violet light sensitivity in a deep-sea crab. The team also captured new video footage of a large, recently discovered squid species that appears to be attracted to bioluminescent displays.
The researchers created 'nanobarcodes' that can be read by computer scanners or observed under fluorescent light microscopes, allowing for the simultaneous identification of multiple pathogens. The technology has potential applications in genomic research, clinical diagnosis, and environmental monitoring.
A Carnegie Mellon-developed robot has detected life in the Atacama desert through a fluorescence system that can identify sparse microorganisms and visualize biofilms. The findings provide insights into detecting life on Mars, with implications for astrobiology research.
A Harbor Branch-led team of scientists discovered the world's first known fluorescent shark and collected strong proof-of-concept for a new unobtrusive deep-sea camera system. The team also found fluorescence from methane hydrates, which could lead to a new detection technique for this potential future energy source.
Researchers discovered that mantis shrimp use fluorescent markings to enhance signaling in deep, blue ocean waters. The stomatopod's characteristic spots fluoresce yellow-green to increase visibility in the dim light.
Researchers at Rice University have discovered that carbon nanotubes can fluoresce in the near-infrared spectrum, which could lead to the development of inexpensive and simple diagnostic tests for diseases. This technology has the potential to target specific targets within the body, such as tumor cells or inflamed tissues.
Scientists have observed glowing coral reefs when illuminated with blue light, which could be used to map specific coral groups within a reef. This phenomenon is related to species and coral health, providing a potential tool for managing sensitive military areas and detecting man-made objects.
Researchers at UC Berkeley have developed a microsized microscope that can capture high-resolution images of living cells, shrinking the size and cost of conventional microscopes. The device has the potential to revolutionize medical research and diagnostics, enabling scientists to study genes and proteins in unprecedented detail.
A new study reveals that parrot plumage contains fluorescent pigments that signal sex appeal, attracting mates. Researchers found that applying sunscreen reduced the birds' fluorescence, resulting in a decreased sexual preference.
Researchers discovered gold compounds emitting fluorescent light for one million times longer than expected. The light is trapped inside the compound, leading to various applications including detecting diseases and producing sensors. Gold's unique properties also make it effective in treating rheumatoid arthritis and cancer.
Researchers created light-emitting materials combining fluorescence and phosphorescence, increasing efficiency production of light. This breakthrough allows developers to choose from a wider range of materials, adding flexibility and reducing costs for products such as laptops and cell phones.
Scientists at Max Planck Institute break Abbe's diffraction limit in focusing light microscopes using two laser beams and stimulated emission. The new microscope achieves sub-Abbe resolution, enabling imaging of intact transparent specimens in three dimensions.
A new measurement technique developed by researchers at the University of Illinois can identify and measure up to 30 compounds found in a single cell. The method uses nanoliter sampling, capillary electrophoresis, and fluorescence spectroscopy to provide a detailed snapshot of the cell's physiology.