Fluorescence high sensitivity detection radiation monitoring. Medical search. Frequent questions

What are High Resolution & High Sensitivity & TE cooled Spectrometer from Optosky? (optosky.com)
New laser spectrometer T&D-scan for research that demands high resolution and high spectral density in UV-VIS-NIR spectral domains - now available with new pump option ! (dmphotonics.com)
The resulting reflectance and fluorescence emissions were collected via a multichannel Avantes spectrometer installation equivalent to two AvaSpec-ULS2048CL-EVOs in parallel. (roshelop.co.il)

The principle of radioimmunoassay (RIA) is based on competitive binding, specificity, and sensitivity. (microbiologynote.com)
Advances in nonculture-based immunoassays have improved specificity and sensitivity. (conceptcontrols.com)
In addition, PET imaging of mitochondrial function has recently been introduced in preclinical models and will potentially broaden the field of application through higher sensitivity and specificity and by enabling higher individualization of diagnostic concepts. (bvsalud.org)
Researchers at the Department of Respiratory Diseases in Rotterdam, the Netherlands have investigated the use of absorbance/reflection optical spectroscopy to improve specificity without losing sensitivity. (roshelop.co.il)

Sir George Stokes developed the Stokes Law of Fluorescence in 1852 which states that the wavelength of fluorescence emission is greater than that of the exciting radiation. (wikipedia.org)
Peak sensitivity wavelength (typ. (hamamatsu.com)
The T&D-scan includes a CW ultra-wide-tunable narrow-line laser, high-precision wavelength meter, an electronic control unit driven through USB interface as well as a software package. (dmphotonics.com)
I want broad wavelength tuning with high-speed repetition rate. (dmphotonics.com)

This technique is based on the analysis of the spectral and fluorescence characteristics of fossils. (palaeo-electronica.org)

Since then, Fluorescein was created as a fluorescent dye by Adolph von Baeyer in 1871 and the method of staining was developed and utilized with the development of fluorescence microscopy in 1911. (wikipedia.org)
Advanced fluorescence microscopy techniques take advantage of this. (photometrics.com)
Fluorescence microscopy is a workhorse technique in biological sciences allowing specific biological structures to be labeled and imaged with high contrast. (photometrics.com)
Single molecule imaging represents a subset of fluorescence microscopy techniques that uses fluorescent tags to detect and analyze individual single molecules. (photometrics.com)
Ishii and Uchihashi (I4 ) presented scanning capacitance microscopy as a surface-sensitive technique for measuring XAS using a tunable monochromatic X-ray beam at a synchrotron radiation source. (hv-caps.biz)
Confocal fluorescence microscopy images of phospholipid bilayers supported by gallium phosphide nanowires. (lu.se)

Developing rapid and non-destructive methods for chlorophyll estimation over large spatial areas is a topic of much interest, as it would provide an indirect measure of plant photosynthetic response, be useful in monitoring soil nitrogen content, and offer the capacity to assess vegetation structural and functional dynamics. (mdpi.com)
Evaluation of the condition of respiration and photosynthesis by measuring chlorophyll fluorescence in cyanobacteria. (walz.com)
Decadal time series of chlorophyll a concentrations sampled at high and low frequencies are explored to study climate-induced impacts on the processes inducing interannual variations in the initiation of the phytoplankton growing period (IPGP) in early spring. (copernicus.org)
We combine data from three different satellite sensors, i.e., sun-induced chlorophyll fluorescence (SIF) from the TROPOspheric Monitoring Instrument (TROPOMI), surface soil moisture from the Soil Moisture Active Passive (SMAP) microwave radiometer, and vegetation greenness from the Moderate Resolution Imaging Spectroradiometer (MODIS). (copernicus.org)

To detect air fluorescence generated from cosmic rays with energies exceeding 1019 eV, which are rare events that produce small light flashes at the detector, a large-area, high sensitivity UV (300-400 nm), single-photon detector is needed. (nasa.gov)
Whether the need is for a personal detector, area/event protection, or platform mounted detection systems, Concept Controls has the knowledge, experience, and sourcing networks to provide the best experience for our customers. (conceptcontrols.com)
The 5 ° divergence of the beam after the focal point of the polycapillary was well suited to the energy-dispersive detection system consisting of a Si dispers- ing crystal and a CCD detector. (hv-caps.biz)
Innovated integration electronic system , high sensitivity pyroelectric detector pre-amplifier technology, dynamic gain amplification technology, high precision 24-bit A/D conversion technology, real-time control and data processing technology, digital filter, and network communication technology, ensuring high quality real-time data collection and high-speed transmission. (drawellanalytical.com)
We present some fundamental challenges in working with iodine-based semiconductors, including crystal growth issues and properties of the materials limiting radiation detector size, and the need for advanced electrode designs. (spie.org)

It can be widely used in LiDAR, biomolecular fluorescence imaging, biological cell metrology, radiation monitoring, high energy physics and other application fields. (snobstermedia.com)
This allows the activity of single molecules to be visualized with high signal-to-noise without disturbing the physiological conditions of the biological system. (photometrics.com)
Generally speaking, fluorophores for single molecule imaging should be: Bright (high extinction coefficient and high quantum yield) to maximize signal, photostable (do not photobleach quickly) to allow the fluorophore to be imaged for long periods, small enough to not disrupt the biological activity of the labeled molecule and emit light in the visible region of the spectrum, preferably where the scientific camera has the highest quantum efficiency. (photometrics.com)
Trestles LH is a new series of high quality femtosecond Ti:Sapphire lasers for applications in scientific research, biological imaging, life sciences and precision material processing. (dmphotonics.com)
Point-detection systems may be specific or non-specific, depending on their ability to discriminate a definite biological agent once the analysis is performed. (conceptcontrols.com)
Non-specific detection systems are only able to determine if a biological agent is present, without providing any identification. (conceptcontrols.com)
On the other hand, specific point-detection systems are able to return an identification of the biological agent. (conceptcontrols.com)
i.e. to place biological effect from exposure to a different type of radiation on a common scale. (physicswave.com)
The biological effects start with the consequences of the interaction of radiation with the atoms forming the cell. (physicswave.com)
A single accidental exposure to a high dose of radiation during a short period of time is referred to as acute exposure and may produce biological effects within a short period after exposure. (physicswave.com)
The Radiation Biology and Molecular Radiation Oncology section aims at providing a platform for biological research and its translation into clinical radiation oncology. (biomedcentral.com)
A European network of biological and physical-retrospective dosimetry "RENEB" has been set up which has the capacity and capability to significantly contribute to European Radiation Emergency Preparedness and to Radiation Protection Research in Europe. (europa.eu)
This includes studies on the effects of low doses, group related radiation sensitivity, and epidemiological studies where sampling and handling of biological samples is included. (europa.eu)
Here, we develop a biological nanopore sensor for single-molecule detection of proteins and PDIs using the pore-forming toxin YaxAB. (nature.com)

a value of 200 ís was reached for oxidation-state monitoring of the manganese complex of oxygenic photosynthesis. (hv-caps.biz)
A two-regime behaviour is detected in 73 % of the cases for water limitation on photosynthesis, while two-regime detection is much lower at 41 % for light limitation on photosynthesis. (copernicus.org)

50%) and sensitivity to a single photoelectron at wavelengths between 300 and 400 nm. (nasa.gov)
These ring structures, called aromatic hydroxyl groups, absorb UV radiation and emit a weak fluorescent signal at varying wavelengths. (roshelop.co.il)
The results show that the reflectance of bones, teeth and sediment are usually different at longer wavelengths, and that fluorescence rates also differ in the blue-green region. (palaeo-electronica.org)

Students will learn in deep about the implementation of the experimental methods in the satellite (AMS-02, Fermi-LAT) and ground-based (Pierre Auger, H.E.S.S., MAGIC, VERITAS, CTA, HAWC, ARGO-YBJ) detectors of very-high energy (VHE) cosmic rays and gamma-rays, as well of the VHE neutrino detectors (IceCube, KM3NET). (ung.si)
MCP-MA detectors are designed for photons and particles detection in vacuum chambers or in the space. (delmarphotonics.com)
A 2% FWHM represents a significant improvement over many of today's scintillator-based radiation detectors used for homeland/national security purposes. (spie.org)
Hand-Held RadioIsotope Identification Devices (HHRIID) are defined as a new class of portable neutron/gamma radiation detectors with specifications presented in the ANSI Standards N42.33 and N42.34. (spie.org)

We develop emerging imaging techniques, such as X-ray fluorescence CT (XFCT) and X-ray luminescence CT (XLCT) . (illinois.edu)

Avantes, a leader in the development of high-sensitivity, high-resolution spectrometers, is the trusted choice for hundreds of researchers and original equipment manufacturers in biomedical applications. (roshelop.co.il)

The presentation of such a wide range of topics is built up over the common main goals of an (astro) particle physicist, which are the measurement of the energy (calorimetry), the reconstruction of the trajectory, and constraining the nature of the high-energy particles. (ung.si)
The three separated UVA, UVB and UVC channels convert optical radiation signals via UV optimized photodiodes to a digital result and realize a continuous or triggered measurement. (ams.com)
This approach enables exact measurement of the antigen-antibody complex with high sensitivity. (microbiologynote.com)
Radiation dosimetry is a process of measurement of absorbed doses of ionizing radiation . (physicswave.com)
An international commission of radiological protection (ICRP) and the International Commission on radiation units and Measurement (ICRU) have published recommendations and data to evaluate and calculate the effect of various radiation doses to the human risk and health assessment purposes. (physicswave.com)
Various physical quantities associated with measurement of radiation doses are Absorbed dose, equivalent dose, effective dose, and KERMA. (physicswave.com)
This QC monitor will initially provide a portable measurement standard to calibrate the existing network and will eventually replace existing instruments. (nist.gov)

This project will develop a high accuracy monitor for the photo-chemically coupled pollutants nitric oxide, nitrogen dioxide and ozone using infrared absorption spectroscopy with quantum cascade (QC) lasers. (nist.gov)
Numerous studies are under way to identify specific imaging markers for different types of dementia, including cerebral volumetric measurements, diffusion imaging, spectroscopy, very-high-field MRI scans of senile plaques, and PET scan markers of senile plaques. (medscape.com)
The combined autofluorescence imagine and optical reflectance spectroscopy significantly improved the positive predictive value compared with autofluorescence alone without sacrificing sensitivity. (roshelop.co.il)

In molecular biology and biotechnology, a fluorescent tag, also known as a fluorescent label or fluorescent probe, is a molecule that is attached chemically to aid in the detection of a biomolecule such as a protein, antibody, or amino acid. (wikipedia.org)
Novel modalities that may detect even earlier signs of cardiotoxicity comprise 123I-metaiodobenzylguanidine SPECT to visualize sympathetic innervation, 18F-FDG and somatostatin receptor (68Ga-DOTATOC/DOTATATE) PET to indicate a metabolic shift and inflammation, and 68Ga-fibroblast activation protein inhibitor PET to monitor cardiac remodeling. (bvsalud.org)
These protein fluorescence responses to light have been used for everything from pharmaceutical manufacturing to cancer treatments, and even biowarfare defense. (roshelop.co.il)
Using this YaxAB nanopore, we demonstrate label-free, single-molecule detection of interactions between the anticancer Bcl-xL protein and small-molecule drugs as well as the Bak-BH3 peptide. (nature.com)
With the help of various forms of mass spectrometry, synchrotron radiation, protein production & labelling, and bioinformatics, our facilities provide the opportunity to study protein structure and dynamics, molecular probes and drug design. (lu.se)

The second source is the cosmic radiation that is continuously bombarding from the outer space. (physicswave.com)

Silicon-based single photon avalanche diode (SPAD) and large-scale single photon detection array (SPAD array) realize a ultra-high sensitivity photoelectric detection and high-density integration. (snobstermedia.com)
3D ToF image sensor integrates a single photon detection array, high-speed ranging circuit, digital signal processing, memory, MCU and interface into a single chip (SoC). (snobstermedia.com)
The S14161 series achieve higher PDE (photon detection efficiency) and lower operation voltage than other MPPC to adapt for PET and radiation monitor application. (hamamatsu.com)
We develop hyperspectral single photon imaging (HSPI) techniques that explores a broad EM spectrum from visible photons to gamma ray radiation to allow multi-functional, multi-tracer molecular imaging techniques, which could greatly broaden the horizon of nuclear imaging for diagnosis and therapeutic applications. (illinois.edu)

The intensity of fluorescence is analyzed and correlates with expression of the gene. (medscape.com)
The method utilizes time scans at each energy point, using laser flashes for a stepwise advance of the catalytic reaction, while the characteristic fluorescence intensity was detected. (hv-caps.biz)
High intensity, long lifetime IR source module, with the highest energy distributed in the fingerprint region, adopts a reflex sphere design to obtain even and stable IR radiation. (drawellanalytical.com)
High-intensity phototherapy first described by Tan in 1977 uses irradiance greater than 25 µW/cm 2 /nm up to 40 µW/cm 2 /nm when a dose-response relationship to bilirubin degradation reaches a plateau. (medscape.com)
Lumirubin is the predominant isomer formed during high-intensity phototherapy. (medscape.com)

Molecular imaging biomarkers can aid in pretherapeutic cardiooncologic assessment for primary prevention and personalized surveillance, detection, and differential diagnosis of cardiotoxic complications. (bvsalud.org)
Thus, the Radiation Biology and Molecular Radiation Oncology section addresses current, timely and cutting-edge research and reviews about biologically relevant issues in radiation oncology, while offering a fast review process and broad outreach. (biomedcentral.com)

The most commonly labelled molecules are antibodies, proteins, amino acids and peptides which are then used as specific probes for detection of a particular target. (wikipedia.org)
Many biomedical research applications exploit the natural fluorescence response of amino acids, the essential building blocks of all proteins. (roshelop.co.il)
The long funnel-shaped structure and nanofluidic characteristics of the YaxAB nanopore enable the electro-osmotic trapping of diverse folded proteins and high-resolution monitoring of PDIs. (nature.com)

The ultimate aim of making such measurements is to estimate intake and radiation dose. (cdc.gov)
COFRAC labelization for phase noise measurementA few high performance commercial and prototypes instruments for phase noise measurements. (first-tf.com)
High Precision X-ray Measurements 2021 conference is the second edition of the HPXM2018 workshop, held at the INFN Laboratories of Frascati in 2018. (infn.it)
Finally, we present elementary measurements illustrating the detection capabilities of iodine-based compound semiconductor materials. (spie.org)

Although fluorescent tagging in this regard has only been recently utilized, the discovery of fluorescence has been around for a much longer time. (wikipedia.org)

We develop advanced image formation techniques , such as artificial compound eye (ACE) gamma cameras and hybrid electronic and mechanical collimation, to dramatically improve the spatial resolution and sensitivity of future SPECT and PET imaging systems . (illinois.edu)

Today, it can already detect deviations in process monitoring data and implement quality control in real time. (compamed-tradefair.com)
We have proposed a novel HHRIID design concept which uses a single photosensor to detect light emitted by two optically separated scintillator materials, one optimized for gamma detection and the other optimized for neutron detection. (spie.org)

Three common amino acids, tryptophan, tyrosine, and albumin, which are responsible for the majority of inherent fluorescence, have a common structure consisting of hydrogen-based ring structures. (roshelop.co.il)
In high-profile emerging fields such as nanotechnology, biotechnology and green engineering, public concerns and attitudes become especially crucial factors given the inherent uncertainties and high stakes involved. (lu.se)

Overall, the RIA principle relies on the competitive binding of labeled and unlabeled antigens to antibodies, which can be quantitatively measured based on the emitted radioactivity, providing a sensitive and specific method for antigen detection and quantification. (microbiologynote.com)
The spontaneous emission of particles and radiation from an unstable nucleus is called radioactivity. (physicswave.com)
The third type is terrestrial radioactivity which is caused by radiations due to radionuclides such as potassium, uranium, and thorium. (physicswave.com)

In phase-I efforts we will explore different design options to improve detection efficiency, response time of the GPD structure. (nasa.gov)
Del Mar Photonics offers compact pulse Nd:YAG lasers with excellent beam quality, high energy/efficiency and possibility of efficient PRR changes with no significant degradation of the output beam parameters. (dmphotonics.com)
Such a high efficiency allows the LQ529 to provide up to 600mJ output energy without using an amplifier. (dmphotonics.com)
High-efficiency Harmonic Generators can be either built-in (except for the FiHG) or supplied as separate units upon the customer s request. (dmphotonics.com)
Current drug development suffers from high cost and low efficiency of the drug discovery process. (nature.com)

Students learn the principles of different methods of particle detection and identification in astroparticle physics experiments and obtain the knowledge on the acquisition, simulation, analysis and interpretation of data in these experiments. (ung.si)
With practical work on examples from current and planned experiments, they learn advanced techniques of the particle tracking, calorimetry and muon detection, and the methods of primary particle reconstruction based on the detected particle cascades. (ung.si)

What is Radiation dosimetry? (physicswave.com)

Detection and identification of microorganisms has been improved by advanced biotechnology-based methodologies. (conceptcontrols.com)

No matter how you may wish to use it as a stand alone laser or as a pump source for tunable lasers and OPO the Del Mar Photonics LQ529 laser provides a combination of high operation parameters, reliability and reasonable price which could not be achieved earlier. (dmphotonics.com)

Potential advantages over conventional diagnostics are the higher detection sensitivity for subtle changes in cardiac homeostasis, higher reproducibility, and better observer independence. (bvsalud.org)

The Evolve family of cameras are high-resolution, back-illuminated EMCCD providing high sensitivity for the lowest light applications. (photometrics.com)
Biochip, genomics and microarray detection represent a large mix of applications with varying needs of a scientific camera. (photometrics.com)
This sensitivity is important in a variety of applications, including clinical diagnostics and medical research. (microbiologynote.com)
The Time-Frequency Department (TF) is developing the time keepers necessary for the most modern high-tech applications: space navigation, telecommunications, radar, etc. (first-tf.com)
There is a long list of applications for fluorescence in biomedical and life science fields, and you can often find Avantes equipment at the forefront of new scientific frontiers. (roshelop.co.il)
Bismuth iodide (BiI 3 ), lead iodide (PbI 2 ) and mercuric iodide (HgI 2 ) have theoretical gamma-ray detection efficiencies approximately 2-3 times higher than CdZnTe, the current compound semiconductor material proposed for use in several homeland/national security applications, over the range of 200-3000 keV. (spie.org)

Important technologies that are encouraged in current multidisciplinary guidelines are equilibrium radionuclide angiography for evaluation of ventricular function and chamber morphology, as well as myocardial perfusion imaging for additional detection of ischemia. (bvsalud.org)

In contrast to the traditional mechanical scanning LiDAR, the solid-state LiDAR launched by visionICs has no mechanical rotating components, which leads to higher reliability and stability. (snobstermedia.com)

Radon: The biggest source of natural background radiation is airborne radon and its progenies (about 55%), a radioactive gas that emanated from the ground. (physicswave.com)

The target molecules are monitored at air quality stations worldwide using instruments, which require frequent calibration and are not sufficiently specific (in the case of NO2). (nist.gov)

Imaging, understanding, and managing radiotherapy inflammation and radiation necrosis. (usherbrooke.ca)
The direct effect of radiotherapy involves radiation-induced DNA damage, and most studies have fo. (biomedcentral.com)

Additionally, analytical methods are included that modify previously used methods to obtain lower detection limits and/or to improve accuracy and precision. (cdc.gov)
High-precision termo stabilization ensures minimal pulse to pulse and long term instability. (dmphotonics.com)
I n the wake of the success of the 2018 edition, HPXM2021 is planned with the twofold aim to consolidate the existing interconnections between the research teams and foster creating new ones, offering the opportunity for all the participants to discuss and share the results of their activities focusing on a common protagonist: X-ray precision detection. (infn.it)

In both coastal ecosystems, we observed a large interannual variation in the IPGP influenced by sea temperature, river inputs, light availability (modulated by solar radiation and water turbidity), and turbulent mixing generated by tidal currents, wind stress, and river runoff. (copernicus.org)

In order to achieve a more effec- were recommended postoperative radiation and adjuvant tive and individualised chemotherapeutic treatment of breast chemotherapy. (lu.se)

The Pismo pulse picker systems is as a pulse gating system that lets single pulses or group of subsequent pulses from a femtosecond or picosecond pulse train pass through the system, and stops other radiation. (dmphotonics.com)

The irradiance responsivity can be adjusted via Gain, conversion time and internal clock frequency to effect sensitivity, full scale range and LSB. (ams.com)

M-shape C-T employs higher resolution and better stray light. (optosky.com)
Concave grating optical path employs high stray light. (optosky.com)
Contrasting nonphotochemical quenching patterns under high light and darkness aligns with light niche occupancy in Arctic diatoms. (walz.com)
SIF sensitivity to PAR strongly increases along moisture gradients, reflecting mesic vegetation's adaptation to making rapid usage of incoming light availability on the weekly timescales. (copernicus.org)
Autofluorescence has been shown to be far more sensitive than white light bronchoscopy in the detection of Carcinomas or dysplastic lesions, however, it also has a high rate of returning false positives. (roshelop.co.il)

Possible mechanisms for gram for breast cancer in southern Sweden issued 1991, pre- recurrence after treatment are low initial drug sensitivity or menopausal lymph node positive (N+) breast cancer patients an acquired drug resistance. (lu.se)
Bladder cancer is a common urologic cancer that has the highest recurrence rate of any malignancy. (medscape.com)

We have designed, built, and laboratory-tested a unique shield design that transforms the complex neutron spectrum from PuBe source neutrons, generated at high energies, to nearly exactly the neutron signature leaking from a significant spherical mass of weapons grade plutonium (WGPu). (spie.org)

2016. Multispectral and colour imaging systems for the detection of small vertebrate fossils: A preliminary study. (palaeo-electronica.org)

Time-resolved XAS is also a promising tool in structural biology, since the oxidation-state and structure of reaction intermediates are of high importance in understanding enzymatic processes. (hv-caps.biz)
Changes in the reaction can also be monitored as a process control function. (roshelop.co.il)

Phototherapy lights emit minimal ultraviolet (UV) radiation that does not cause erythema and is completely absorbed by the acrylic Plexiglas covering of the tubes. (medscape.com)

The purpose of this chapter is to describe the analytical methods that are available for detecting, measuring, and/or monitoring americium, its metabolites, and other biomarkers of exposure and effect to americium. (cdc.gov)
Richard Meyer then termed fluorophore in 1897 to describe a chemical group associated with fluorescence. (wikipedia.org)
We find both single-regime and two-regime models describe SIF sensitivity to soil moisture and photosynthetically active radiation (PAR) across the globe. (copernicus.org)

However, the combination of colour and multispectral imaging systems with recent advances in laser-stimulated fluorescence in fossils could constitute an optimal solution for an efficient sorting process of small vertebrate remains within geological samples. (palaeo-electronica.org)

Use of preventive dental care (Healthy People 2020 definition), however, was at least two times higher than evidence-based preventive dental use for all racial/ethnic groups in both survey periods. (cdc.gov)

Boston MicroSystems' proprietary technologies for micromachining harsh environment compatible SiC and AlN materials enable, for the first time, fabrication of small, inexpensive and robust MEMS-based fluid viscosity sensors for non-intrusive health monitoring and condition based maintenance of refrigeration systems, engines, and other machinery. (nist.gov)
Condition-based maintenance and health monitoring of refrigerant compressors, engines, and other machinery, and fluid viscosity sensors for industrial process control and quality control. (nist.gov)

High stability modular partition design , greatly improves the mechanical stability and long-term working stability of the instrument. (drawellanalytical.com)
Real-time diagnosis of instrument status: real-time monitoring of instrument working status, performance, and communication status. (drawellanalytical.com)

High content imaging is primarily concerned with the automated analysis of large cell populations where the goal is to process as many cells as possible in the fastest time with the highest resolution. (photometrics.com)
In addition, RENEB contributes to the crosscutting topics "E&T" by providing inter-comparisons, specialized courses and seminars open also to non partners and to "Infrastructure" by acting as analysis platform for radiation emergency preparedness and radiation research. (europa.eu)

Reflection and transmission spectrum detection. (optosky.com)

The Iris family of sCMOS cameras deliver up to a 15 megapixel sensor with a 25 millimetre field of view for high-resolution imaging over a large imaging area. (photometrics.com)
Showing imaging examples in assumed situations such as people counter, gesture detection and safety monitoring by using 128 × 8 pixels sensor. (hamamatsu.com)

There is currently significant interest in assessing the role of oxygen in the radiobiological effects at ultra-high dose rates. (biomedcentral.com)

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