Referred to as SWCNTs, these cylindrical nanostructures composed of a folded sheet of graphene can be used as near-infrared markers for small animal multiplex imaging. Emitting at different wavelengths, which can be tuned in the visible or NIR...

Luminescence is the emission of light that occurs without the involved substance undergoing a significant increase in...

A device, also called a fluorescence lifetime instrument, that measures decay curves of fluorescing samples. It generally...

Förster resonance energy transfer (FRET) is a mechanism describing the transfer of energy between two closely spaced...

Scientific complementary metal-oxide semiconductor (sCMOS) refers to a type of image sensor technology specifically designed...

Photobleaching is a phenomenon in which the fluorescence of a fluorophore (a fluorescent molecule or dye) is permanently...

An EMCCD (electron-multiplying charge-coupled device) camera is a type of scientific camera specifically designed for...

An instrument used to measure the duration of fluorescence emanating from a biological sample to monitor and evaluate its...

Fluorescence is a type of luminescence, which is the emission of light by a substance that has absorbed light or other...

The study of flames by means of a laser emitting blue light and a spectrometer to measure the green fluorescence created by...

A fluorophore is a molecule or a portion of a molecule that has the ability to emit light upon excitation by an external...

Flow cytometry is a powerful technique used in biology and medicine for the quantitative analysis of the physical and...

Fluorescence produced as a result of the intrinsic property of the material itself or the doping of the material with trace...

A fiber optic imaging bundle is a specialized optical device composed of multiple optical fibers bundled together. Each...

A scientific CMOS (complementary metal-oxide-semiconductor) camera is a type of digital camera specifically designed for...

A nonradiative transition refers to a process in which an electron or an atom undergoes a change in its energy state without...

Also known as single plane illumination microscopy (SPIM), this process was designed for imaging of sensitive samples and...

Fluorescence produced by a material that has been treated with a dilute solution of fluorescing material.

The photographic recording of a subject that exhibits luminescence only for an extremely short time (10-8 s) after the...

With respect to atomic fluorescence spectroscopy, the fluorescence that is emitted by an atom at a spectral line of a...

Three-photon microscopy is an advanced imaging technique that belongs to the family of multi-photon microscopy methods. It...

Structured illumination microscopy (SIM) is an advanced optical imaging technique used in microscopy to enhance the...

A lab-on-a-chip (LOC) is a miniaturized device that integrates various laboratory functions and capabilities onto a single,...

Two-photon excited fluorescence (TPEF) is a nonlinear optical method that allows imaging of biological cells and living...

The analysis and measurement of the fluorescence emitted by a source. Fluorometric processes are more sensitive than light...

Twisted intramolecular charge transfer (TICT) is a phenomenon observed in certain organic molecules containing...

The technique that uses light to detect and analyze the antibodies produced by a specimen stained with an organic dye.

A nitrogen vacancy (NV) refers to a specific type of defect or impurity in a crystal lattice where a nitrogen atom replaces...

The analysis of fluorescence emitted by discrete atoms, in flames, that have absorbed radiation from an external source. It...

The use of a short-duration electron beam to record high-speed events that occur in microscopic objects made of materials...

Microscopy is a scientific technique that involves the use of microscopes to observe and study objects that are too small to...

Recombinase polymerase amplification (RPA) is a molecular biology technique used to rapidly amplify specific DNA or RNA...

A monochromator is an optical instrument used to isolate and select a narrow range of wavelengths from a broader spectrum of...

A single-photon avalanche diode (SPAD) is a specialized type of photodetector designed to detect extremely weak optical...

An APD detector, or avalanche photodiode detector, is a type of photodetector used to detect light or optical signals by...

Time-correlated single photon counting (TCSPC) is a technique used in photon counting applications, particularly in the...

Fluorescein is a synthetic organic compound extensively used as a fluorescent tracer in various applications, particularly...

A photomultiplier tube (PMT) is a highly sensitive vacuum tube that detects and amplifies low levels of light. It is widely...

Intravital microscopy is an imaging technique used to visualize biological processes within living organisms, typically in...

An instrument used to detect the fluorescence emitted by a source in comparison with a reference.

Spatially offset Raman spectroscopy (SORS) is a technique that extends traditional Raman spectroscopy by incorporating...

Fluorescence imaging technique in which the excitation light from the objective is directed into the sample producing...

Technique using functional optical microscope with the addition of a coherent source collinear with the image path. The...

A coverslip, also known as a cover glass or cover slip, is a thin and flat piece of transparent material typically made of...

In atomic fluorescence spectroscopy, fluorescence emitted by an atom at a spectral line of a wavelength identical to that of...

A fluoroscope equipped with a magnified, fine-grained fluorescent screen to determine the fluorescence emitted by a...

An optical recording technique that uses light source(s), a beamsplitting cube, light detector(s) and an optical fiber...

Wide-field fluorescence microscopy uses either naturally occurring structures or staining with fluorescent tags that are...

A method for remote measurement of the temperature of moving surfaces in harsh environments by using a laser to stimulate...

Photoluminescence is a phenomenon in which a material absorbs photons (light) at one wavelength and then re-emits photons at...

Total internal reflection fluorescence (TIRF) microscopy is an advanced fluorescence microscopy technique that leverages the...

A laser having a material, such as ruby, that has an energy state structure of three levels: the ground state (1) wherein...

The fluorescent emission spectrum emitted by certain substances following the irradiation of one of these substances with...

STED microscopy, or stimulated emission depletion microscopy, is a superresolution imaging technique in fluorescence...

A time-to-amplitude converter (TAC) is an electronic circuit that converts a time interval between two events into an...

A blue diode laser is a type of semiconductor laser that emits light in the blue wavelength range of the electromagnetic...

A photodetector, also known as a photosensor or photodiode, is a device that detects and converts light into an electrical...

Fluorescence lifetime refers to the average time it takes for a fluorophore, a molecule that absorbs light at one wavelength...

A fluorescent screen refers to a phosphorescent or fluorescent-coated surface that emits visible light when exposed to other...

Autofluorescence refers to the natural emission of fluorescence exhibited by certain biological structures or molecules when...

Fluorescence microscopy is a specialized optical imaging technique used in biology, chemistry, and materials science to...

The collection and detection of x-rays by virtue of their ionizing properties. The ionization may be perceived directly by a...

Nanoparticle photonic resonator absorption microscopy is a microscopy technique that combines the principles of photonic...

A dichroic mirror, also known as a dichroic beamsplitter or interference filter beamsplitter, is an optical device that...

Spectral flow cytometry is an advanced flow cytometry technique that expands the capabilities of traditional flow cytometry...

An automatic scanning instrument that is used to study a substance's fluorescence over a wide range of wavelengths. It...

Medical lasers are devices that produce intense beams of light with specific characteristics and properties, which are used...

A chemical substance that exhibits fluorescence when excited by ultraviolet radiation, x-rays or an electron beam. The...

Ratiometry is a technique used in various scientific fields, particularly in analytical chemistry and biochemistry, to...

A calcium indicator is a molecule that is sensitive to changes in calcium ion (Ca2+) concentrations in biological systems....

An intensified charge-coupled device (ICCD) camera is an advanced imaging device that combines the capabilities of both an...

Metabolic imaging refers to the visualization and quantification of metabolic processes within living organisms, tissues, or...

A fiber optic spectrometer is a device used for measuring the spectral content of light. It utilizes optical fibers to...

This type of miniaturized system, referred to as CMOS qPCR, combines microfluidic technology with an ultralow-light CMOS...

Laser-induced fluorescence (LIF) is a spectroscopic technique that involves using a laser to excite molecules or atoms,...

An optical filter is a device that selectively transmits or blocks specific wavelengths, or colors, of light. Optical...

A device that measures the intensity of photochemically active radiation, particularly from the sun. One form of this...

Fluorescent proteins are proteins that exhibit the property of fluorescence, which is the ability to absorb light at a...

A powerful method, referred to as FCS, for determining the average diffusion coefficients of fluorescent molecules in...

In ultraviolet and fluorescence photography, the term applied to the filter used in the photographic system and with the...

A multiline laser system refers to a type of laser that is capable of emitting multiple discrete wavelengths or spectral...

Spectroscopy is a technique used in the study of interactions between matter and electromagnetic radiation. It involves...

Fluorescence lifetime imaging (FLIM) is an advanced imaging technique that provides information about the lifetime of...

Single-molecule Förster resonance energy transfer (smFRET) is a specialized technique in biophysics and molecular...

The suppression of fluorescence by absorption of the stimulating radiation.

A pump-probe technique whereby a single wavelength source may be used in order to excite a given sample to determine...

This results from the simultaneous absorption of two photons, each having half the energy needed for excitation and...

The optical energy transfer between ions of differing atoms.

The light emitted from tissues without the use of fluorescent dyes as markers. Because cancerous tissues and normal tissues...

In the context of optical materials, the term "impurity level" refers to the presence of foreign atoms or molecules within...

A beamsplitter is an optical device used to divide a beam of light into two or more separate beams, typically by reflecting...

Any fluorescence in which the wavelength of the emitted light differs from that of the absorbed light.

Ultraviolet (UV) fiber optics refers to optical fibers that are designed and optimized for the transmission of ultraviolet...

Superresolution refers to the enhancement or improvement of the spatial resolution beyond the conventional limits imposed by...

A long-pass filter is an optical filter that allows longer wavelengths of light to pass through while blocking or...

Rhodamine refers to a family of fluorescent organic dyes that are widely used in various fields, including biology,...

Stochastic optical reconstruction microscopy (STORM) is a superresolution microscopy technique that enables imaging of...

A filter fluorometer that uses a photomultiplier tube to detect the fluorescence of a sample.

A type of fluorescence spectroscopy in which an excimer laser, a dye laser and a frequency-doubling device are used to...

A type of laser spectroscopy used to measure short-lived isotopes by observing sudden bursts of fluorescence resulting from...

The spectroscopic study of radiation emitted by the process of fluorescence.

Fluorescence formed when atoms of one element collide with excited atoms of another.

The process in which the normal rate of fluorescent emission from a substance is enhanced by virtue of the optical gain of...