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Chemistry Techniques, Analytical

Categorical breakdown of terms falling inder the category of Chemistry Techniques, Analytical. Sub categories will become more specific in nature to the terms listed for Chemistry Techniques, Analytical.

Sub-Categories

Terms

Absorptiometry, Photon - A noninvasive method for assessing BODY COMPOSITION. It is based on the differential absorption of ...

Activation Analysis - A method of chemical analysis based on the detection of characteristic radionuclides following a nuc...

Binding, Competitive - The interaction of two or more substrates or ligands with the same binding site. The displacement of...

Biuret Reaction - A reaction characterized by a violet color upon the addition of copper sulfate to all compounds with...

Calorimetry - The measurement of the quantity of heat involved in various processes, such as chemical reactions, c...

Calorimetry, Differential Scanning - Differential thermal analysis in which the sample compartment of the apparatus is a differential cal...

Calorimetry, Differential Scanning - Differential thermal analysis in which the sample compartment of the apparatus is a differential cal...

Capillary Electrochromatography - A separation technique which combines LIQUID CHROMATOGRAPHY and CAPILLARY ELECTROPHORESIS....

Capillary Electrochromatography - A separation technique which combines LIQUID CHROMATOGRAPHY and CAPILLARY ELECTROPHORESIS....

Centrifugation, Density Gradient - Separation of particles according to density by employing a gradient of varying densities. At equili...

Centrifugation, Isopycnic - A technique used to separate particles according to their densities in a continuous density gradient...

Centrifugation, Zonal - Centrifugation using a rotating chamber of large capacity in which to separate cell organelles by de...

Chemical Fractionation - Separation of a mixture in successive stages, each stage removing from the mixture some proportion o...

Chemical Precipitation - The formation of a solid in a solution as a result of a chemical reaction or the aggregation of solu...

Chemiluminescent Measurements - Measurement of light resulting from PHYSICAL CHEMILUMINESCENCE such as from LUMINESCENT PROTEINS and...

Chemistry Techniques, Analytical - Methodologies used for the isolation, identification, detection, and quantitation of chemical substa...

Chromatography - Techniques used to separate mixtures of substances based on differences in the relative affinities o...

Chromatography, Affinity - A chromatographic technique that utilizes the ability of biological molecules to bind to certain lig...

Chromatography, Agarose - A method of gel filtration chromatography using agarose, the non-ionic component of agar, for the se...

Chromatography, DEAE-Cellulose - A type of ion exchange chromatography using diethylaminoethyl cellulose (DEAE-CELLULOSE) as a positi...

Chromatography, Gas - Fractionation of a vaporized sample as a consequence of partition between a mobile gaseous phase and...

Chromatography, Gel - Chromatography on non-ionic gels without regard to the mechanism of solute discrimination....

Chromatography, High Pressure Liquid - Liquid chromatographic techniques which feature high inlet pressures, high sensitivity, and high spe...

Chromatography, Ion Exchange - Separation technique in which the stationary phase consists of ion exchange resins. The resins conta...

Chromatography, Liquid - Chromatographic techniques in which the mobile phase is a liquid....

Chromatography, Micellar Electrokinetic Capillary - A hybrid separation technique combining both chromatographic and electrophoretic separation principl...

Chromatography, Paper - An analytical technique for resolution of a chemical mixture into its component compounds. Compounds...

Chromatography, Reverse-Phase - A chromatography technique in which the stationary phase is composed of a non-polar substance with a...

Chromatography, Supercritical Fluid - A CHROMATOGRAPHY method using supercritical fluid, usually carbon dioxide under very high pressure (...

Chromatography, Thin Layer - Chromatography on thin layers of adsorbents rather than in columns. The adsorbent can be alumina, si...

Circular Dichroism - A change from planar to elliptic polarization when an initially plane-polarized light wave traverses...

Clinical Enzyme Tests - Analyses for a specific enzyme activity, or of the level of a specific enzyme that is used to assess...

Colorimetry - Any technique by which an unknown color is evaluated in terms of standard colors. The technique may ...

Comet Assay - A genotoxicological technique for measuring DNA damage in an individual cell using single-cell gel e...

Conductometry - Determination of the quantity of a material present in a mixture by measurement of its effect on the...

Countercurrent Distribution - A method of separation of two or more substances by repeated distribution between two immiscible liq...

Countercurrent Distribution - A method of separation of two or more substances by repeated distribution between two immiscible liq...

Counterimmunoelectrophoresis - Immunoelectrophoresis in which immunoprecipitation occurs when antigen at the cathode is caused to m...

Crystallization - The formation of crystalline substances from solutions or melts. (McGraw-Hill Dictionary of Scientif...

Crystallography - The branch of science that deals with the geometric description of crystals and their internal arran...

Crystallography, X-Ray - The study of crystal structure using X-RAY DIFFRACTION techniques. (McGraw-Hill Dictionary of Scient...

Cytophotometry - A method for the study of certain organic compounds within cells, in situ, by measuring the light in...

Densitometry - The measurement of the density of a material by measuring the amount of light or radiation passing t...

Desiccation - Removal of moisture from a substance (chemical, food, tissue, etc.)....

Deuterium Exchange Measurement - A research technique to measure solvent exposed regions of molecules that is used to provide insight...

Dialysis - A process of selective diffusion through a membrane. It is usually used to separate low-molecular-we...

Differential Thermal Analysis - Technique by which phase transitions of chemical reactions can be followed by observation of the hea...

Distillation - A chemical process for separating the components of a liquid mixture by boiling and collecting conde...

Electron Probe Microanalysis - Identification and measurement of ELEMENTS and their location based on the fact that X-RAYS emitted ...

Electron Spin Resonance Spectroscopy - A technique applicable to the wide variety of substances which exhibit paramagnetism because of the ...

Electroosmosis - The motion of a liquid through a membrane (or plug or capillary) consequent upon the application of ...

Electrophoresis - An electrochemical process in which macromolecules or colloidal particles with a net electric charge...

Electrophoresis, Agar Gel - Electrophoresis in which agar or agarose gel is used as the diffusion medium....

Electrophoresis, Capillary - A highly-sensitive (in the picomolar range, which is 10,000-fold more sensitive than conventional el...

Electrophoresis, Cellulose Acetate - Electrophoresis in which cellulose acetate is the diffusion medium....

Electrophoresis, Disc - Electrophoresis in which discontinuities in both the voltage and pH gradients are introduced by usin...

Electrophoresis, Gel, Pulsed-Field - Electrophoresis in which the direction of the electric field is changed periodically. This technique...

Electrophoresis, Gel, Two-Dimensional - Electrophoresis in which a second perpendicular electrophoretic transport is performed on the separa...

Electrophoresis, Gel, Two-Dimensional - Electrophoresis in which a second perpendicular electrophoretic transport is performed on the separa...

Electrophoresis, Microchip - A highly miniaturized version of ELECTROPHORESIS performed in a microfluidic device....

Electrophoresis, Microchip - A highly miniaturized version of ELECTROPHORESIS performed in a microfluidic device....

Electrophoresis, Paper - Electrophoresis in which paper is used as the diffusion medium. This technique is confined almost en...

Electrophoresis, Polyacrylamide Gel - Electrophoresis in which a polyacrylamide gel is used as the diffusion medium....

Electrophoresis, Starch Gel - Electrophoresis in which a starch gel (a mixture of amylose and amylopectin) is used as the diffusio...

Electrophoretic Mobility Shift Assay - An electrophoretic technique for assaying the binding of one compound to another. Typically one comp...

Enzyme Assays - Methods used to measure the relative activity of a specific enzyme or its concentration in solution....

Filtration - A process of separating particulate matter from a fluid, such as air or a liquid, by passing the flu...

Flame Ionization - Pyrolysis of organic compounds at the temperature of a hydrogen-air flame to produce ionic intermedi...

Flocculation - The aggregation of suspended solids into larger clumps....

Flocculation Tests - Precipitin tests which occur over a narrow range of antigen-antibody ratio, due chiefly to peculiari...

Flow Cytometry - Technique using an instrument system for making, processing, and displaying one or more measurements...

Flow Injection Analysis - The analysis of a chemical substance by inserting a sample into a carrier stream of reagent using a ...

Fluorescence Polarization - Measurement of the polarization of fluorescent light from solutions or microscopic specimens. It is ...

Fluorescence Polarization Immunoassay - Fluoroimmunoassay where detection of the hapten-antibody reaction is based on measurement of the inc...

Fluorescence Recovery After Photobleaching - A method used to study the lateral movement of MEMBRANE PROTEINS and LIPIDS. A small area of a cell ...

Fluorescence Resonance Energy Transfer - A type of FLUORESCENCE SPECTROSCOPY using two FLUORESCENT DYES with overlapping emission and absorpt...

Fluorometry - An analytical method for detecting and measuring FLUORESCENCE in compounds or targets such as cells,...

Fluorophotometry - Measurement of light given off by fluorescein in order to assess the integrity of various ocular bar...

Fractional Precipitation - A method which uses specific precipitation reactions to separate or collect substances from a soluti...

Fractionation, Field Flow - Separation of molecules and particles by a simultaneous action of carrier liquid flow and focusing f...

Gas Chromatography-Mass Spectrometry - A microanalytical technique combining mass spectrometry and gas chromatography for the qualitative a...

Gas Chromatography-Mass Spectrometry - A microanalytical technique combining mass spectrometry and gas chromatography for the qualitative a...

Glucose Clamp Technique - Maintenance of a constant blood glucose level by perfusion or infusion with glucose or insulin. It i...

Hemodiafiltration - The combination of hemodialysis and hemofiltration either simultaneously or sequentially. Convective...

Hemofiltration - Extracorporeal ultrafiltration technique without hemodialysis for treatment of fluid overload and el...

Image Cytometry - A technique encompassing morphometry, densitometry, neural networks, and expert systems that has num...

Immunoelectrophoresis - A technique that combines protein electrophoresis and double immunodiffusion. In this procedure prot...

Immunoelectrophoresis, Two-Dimensional - Immunoelectrophoresis in which a second electrophoretic transport is performed on the initially sepa...

Immunoprecipitation - The aggregation of soluble ANTIGENS with ANTIBODIES, alone or with antibody binding factors such as ...

Isoelectric Focusing - Electrophoresis in which a pH gradient is established in a gel medium and proteins migrate until the...

Laser Scanning Cytometry - A scanning microscope-based, cytofluorimetry technique for making fluorescence measurements and topo...

Luminescent Measurements - Techniques using light resulting from PHYSICAL LUMINESCENCE emitted by LUMINESCENT PROTEINS and LUMI...

Magnetic Resonance Spectroscopy - Spectroscopic method of measuring the magnetic moment of elementary particles such as atomic nuclei,...

Mass Spectrometry - An analytical method used in determining the identity of a chemical based on its mass using mass ana...

Microarray Analysis - The simultaneous analysis, on a microchip, of multiple samples or targets arranged in an array forma...

Microchemistry - The development and use of techniques and equipment to study or perform chemical reactions, with sma...

Microchip Analytical Procedures - The preparation and analysis of samples on miniaturized devices....

Microdialysis - A technique for measuring extracellular concentrations of substances in tissues, usually in vivo, by...

Microfluidic Analytical Techniques - Methods utilizing the principles of MICROFLUIDICS for sample handling, reagent mixing, and separatio...

Micropore Filters - A membrane or barrier with micrometer sized pores used for separation purification processes....

Microscopy, Energy-Filtering Transmission Electron - An analytical transmission electron microscopy method using an electron microscope fitted with an en...

Microspectrophotometry - Analytical technique for studying substances present at enzyme concentrations in single cells, in si...

Microspectrophotometry - Analytical technique for studying substances present at enzyme concentrations in single cells, in si...

Molecular Imprinting - A methodology for chemically synthesizing polymer molds of specific molecules or recognition sites o...

Nephelometry and Turbidimetry - Chemical analysis based on the phenomenon whereby light, passing through a medium with dispersed par...

Neutron Activation Analysis - Activation analysis in which the specimen is bombarded with neutrons. Identification is made by meas...

Neutron Diffraction - The scattering of NEUTRONS by matter, especially crystals, with accompanying variation in intensity ...

Neutron Diffraction - The scattering of NEUTRONS by matter, especially crystals, with accompanying variation in intensity ...

Nuclear Magnetic Resonance, Biomolecular - NMR spectroscopy on small- to medium-size biological macromolecules. This is often used for structur...

Nucleotide Mapping - Two-dimensional separation and analysis of nucleotides....

Nucleotide Mapping - Two-dimensional separation and analysis of nucleotides....

Nucleotide Mapping - Two-dimensional separation and analysis of nucleotides....

Oligonucleotide Array Sequence Analysis - Hybridization of a nucleic acid sample to a very large set of oligonucleotide probes, which are atta...

Optical Rotatory Dispersion - The method of measuring the dispersion of an optically active molecule to determine the relative mag...

Peptide Mapping - Analysis of PEPTIDES that are generated from the digestion or fragmentation of a protein or mixture ...

Peptide Mapping - Analysis of PEPTIDES that are generated from the digestion or fragmentation of a protein or mixture ...

Peptide Mapping - Analysis of PEPTIDES that are generated from the digestion or fragmentation of a protein or mixture ...

Photoelectron Spectroscopy - The study of the energy of electrons ejected from matter by the photoelectric effect, i.e., as a dir...

Polarography - An electrochemical technique for measuring the current that flows in solution as a function of an ap...

Potentiometry - Solution titration in which the end point is read from the electrode-potential variations with the c...

Powder Diffraction - Method of using a polycrystalline powder and Rietveld refinement (LEAST SQUARES ANALYSIS) of X-RAY D...

Precipitin Tests - Serologic tests in which a positive reaction manifested by visible CHEMICAL PRECIPITATION occurs whe...

Protein Array Analysis - Ligand-binding assays that measure protein-protein, protein-small molecule, or protein-nucleic acid ...

Protein Footprinting - A method for determining points of contact between interacting proteins or binding sites of proteins...

Pulse Radiolysis - Use of a pulse of X-rays or fast electrons to generate free radicals for spectroscopic examination....

Refractometry - Measurement of the index of refraction (the ratio of the velocity of light or other radiation in the...

Scattering, Radiation - The diversion of RADIATION (thermal, electromagnetic, or nuclear) from its original path as a result...

Scattering, Small Angle - Scattering of a beam of electromagnetic or acoustic RADIATION, or particles, at small angles by part...

Solid Phase Extraction - An extraction method that separates analytes using a solid phase and a liquid phase. It is used for ...

Solid Phase Microextraction - A solventless sample preparation method, invented in 1989, that uses a fused silica fiber which is c...

Spectrometry, Fluorescence - Measurement of the intensity and quality of fluorescence....

Spectrometry, Fluorescence - Measurement of the intensity and quality of fluorescence....

Spectrometry, Gamma - Determination of the energy distribution of gamma rays emitted by nuclei. (McGraw-Hill Dictionary of...

Spectrometry, Mass, Electrospray Ionization - A mass spectrometry technique used for analysis of nonvolatile compounds such as proteins and macrom...

Spectrometry, Mass, Fast Atom Bombardment - A mass spectrometric technique that is used for the analysis of a wide range of biomolecules, such a...

Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization - A mass spectrometric technique that is used for the analysis of large biomolecules. Analyte molecule...

Spectrometry, Mass, Secondary Ion - A mass-spectrometric technique that is used for microscopic chemical analysis. A beam of primary ion...

Spectrometry, X-Ray Emission - The spectrometric analysis of fluorescent X-RAYS, i.e. X-rays emitted after bombarding matter with h...

Spectrophotometry - The art or process of comparing photometrically the relative intensities of the light in different p...

Spectrophotometry - The art or process of comparing photometrically the relative intensities of the light in different p...

Spectrophotometry, Atomic - Spectrophotometric techniques in which the samples are examined in the form of atoms based on their ...

Spectrophotometry, Atomic - Spectrophotometric techniques in which the samples are examined in the form of atoms based on their ...

Spectrophotometry, Infrared - Spectrophotometry in the infrared region, usually for the purpose of chemical analysis through measu...

Spectrophotometry, Infrared - Spectrophotometry in the infrared region, usually for the purpose of chemical analysis through measu...

Spectrophotometry, Ultraviolet - Determination of the spectra of ultraviolet absorption by specific molecules in gases or liquids, fo...

Spectrophotometry, Ultraviolet - Determination of the spectra of ultraviolet absorption by specific molecules in gases or liquids, fo...

Spectroscopy, Electron Energy-Loss - A technique for analysis of the chemical composition of molecules. A substance is bombarded with mon...

Spectroscopy, Fourier Transform Infrared - A spectroscopic technique in which a range of wavelengths is presented simultaneously with an interf...

Spectroscopy, Fourier Transform Infrared - A spectroscopic technique in which a range of wavelengths is presented simultaneously with an interf...

Spectroscopy, Mossbauer - A spectroscopic technique which uses the Mossbauer effect (inelastic scattering of gamma radiation r...

Spectroscopy, Near-Infrared - A noninvasive technique that uses the differential absorption properties of hemoglobin and myoglobin...

Spectrum Analysis - The measurement of the amplitude of the components of a complex waveform throughout the frequency ra...

Spectrum Analysis, Raman - Analysis of the intensity of Raman scattering of monochromatic light as a function of frequency of t...

Spectrum Analysis, Raman - Analysis of the intensity of Raman scattering of monochromatic light as a function of frequency of t...

Spin Trapping - A technique for detecting short-lived reactive FREE RADICALS in biological systems by providing a ni...

Surface Plasmon Resonance - A biosensing technique in which biomolecules capable of binding to specific analytes or ligands are ...

Tandem Mass Spectrometry - A mass spectrometry technique using two (MS/MS) or more mass analyzers. With two in tandem, the prec...

Terahertz Spectroscopy - Spectrum analysis of absorbed or emitted TERAHERTZ RADIATION....

Thermogravimetry - Technique whereby the weight of a sample can be followed over a period of time while its temperature...

Tissue Array Analysis - The simultaneous analysis of multiple samples of TISSUES or CELLS from BIOPSY or in vitro culture th...

Titrimetry - The determination of the concentration of a given component in solution (the analyte) by addition of...

Ultracentrifugation - Centrifugation with a centrifuge that develops centrifugal fields of more than 100,000 times gravity...

Ultrafiltration - The separation of particles from a suspension by passage through a filter with very fine pores. In u...

X-Ray Absorption Spectroscopy - Analysis of the energy absorbed across a spectrum of x-ray energies/wavelengths to determine the che...

X-Ray Diffraction - The scattering of x-rays by matter, especially crystals, with accompanying variation in intensity du...

X-Ray Diffraction - The scattering of x-rays by matter, especially crystals, with accompanying variation in intensity du...