Mass spectrometry

Mass spectrometry (MS) is an analytical technique that is used to measure the mass-to-charge ratio of ions. ^[1]

204 relations: A priori and a posteriori, Accelerator mass spectrometry, Adduct, Ambient ionization, Anesthesia, Animal testing, Anode, Anode ray, Arthur Jeffrey Dempster, Atmospheric-pressure chemical ionization, Atmospheric-pressure photoionization, Atom, Atom probe, Bottom-up proteomics, Calutron, Capillary electrophoresis, Carbon-13, Cassini–Huygens, Cathode, Cathode ray, Charged particle, Chemical compound, Chemical ionization, Chemical Physics Letters, Chemical structure, Chloride, Chromatography, Collision-induced dissociation, Contour line, Cross product, Curve fitting, Cyclotron, Dalton (unit), Dalton Transactions, De novo peptide sequencing, Deconvolution, Delayed extraction, Desorption atmospheric pressure photoionization, Desorption electrospray ionization, Desorption/ionization on silicon, Deuterium, Differential equation, Dimensionless quantity, Direct analysis in real time, Dumas method of molecular weight determination, Duty cycle, Electric charge, Electric current, Electric discharge in gases, Electric field, ... Expand index (154 more) » « Shrink index
Clinical pathology
Scientific instruments

A priori and a posteriori

A priori ('from the earlier') and a posteriori ('from the later') are Latin phrases used in philosophy to distinguish types of knowledge, justification, or argument by their reliance on experience.

See Mass spectrometry and A priori and a posteriori

Accelerator mass spectrometry

Accelerator mass spectrometry (AMS) is a form of mass spectrometry that accelerates ions to extraordinarily high kinetic energies before mass analysis.

See Mass spectrometry and Accelerator mass spectrometry

In chemistry, an adduct (alternatively, a contraction of "addition product") is a product of a direct addition of two or more distinct molecules, resulting in a single reaction product containing all atoms of all components.

See Mass spectrometry and Adduct

Ambient ionization

Ambient ionization is a form of ionization in which ions are formed in an ion source outside the mass spectrometer without sample preparation or separation.

See Mass spectrometry and Ambient ionization

Anesthesia

Anesthesia or anaesthesia is a state of controlled, temporary loss of sensation or awareness that is induced for medical or veterinary purposes.

See Mass spectrometry and Anesthesia

Animal testing

Animal testing, also known as animal experimentation, animal research, and in vivo testing, is the use of non-human animals, such as model organisms, in experiments that seek to control the variables that affect the behavior or biological system under study.

See Mass spectrometry and Animal testing

Anode

An anode is an electrode of a polarized electrical device through which conventional current enters the device.

See Mass spectrometry and Anode

Anode ray

An anode ray (also positive ray or canal ray) is a beam of positive ions that is created by certain types of gas-discharge tubes.

See Mass spectrometry and Anode ray

Arthur Jeffrey Dempster

Arthur Jeffrey Dempster (August 14, 1886 – March 11, 1950) was a Canadian-American physicist best known for his work in mass spectrometry and his discovery in 1935 of the uranium isotope 235U.

See Mass spectrometry and Arthur Jeffrey Dempster

Atmospheric-pressure chemical ionization

Atmospheric pressure chemical ionization (APCI) is an ionization method used in mass spectrometry which utilizes gas-phase ion-molecule reactions at atmospheric pressure (105 Pa), commonly coupled with high-performance liquid chromatography (HPLC).

See Mass spectrometry and Atmospheric-pressure chemical ionization

Atmospheric-pressure photoionization

Atmospheric pressure photoionization (APPI) is a soft ionization method used in mass spectrometry (MS) usually coupled to liquid chromatography (LC).

See Mass spectrometry and Atmospheric-pressure photoionization

Atom

Atoms are the basic particles of the chemical elements.

See Mass spectrometry and Atom

Atom probe

The atom probe was introduced at the by Erwin Wilhelm Müller and J. A. Panitz. Mass spectrometry and atom probe are scientific techniques.

See Mass spectrometry and Atom probe

Bottom-up proteomics

Bottom-up proteomics is a common method to identify proteins and characterize their amino acid sequences and post-translational modifications by proteolytic digestion of proteins prior to analysis by mass spectrometry.

See Mass spectrometry and Bottom-up proteomics

Calutron

A calutron is a mass spectrometer originally designed and used for separating the isotopes of uranium.

See Mass spectrometry and Calutron

Capillary electrophoresis

Capillary electrophoresis (CE) is a family of electrokinetic separation methods performed in submillimeter diameter capillaries and in micro- and nanofluidic channels.

See Mass spectrometry and Capillary electrophoresis

Carbon-13

Carbon-13 (13C) is a natural, stable isotope of carbon with a nucleus containing six protons and seven neutrons.

See Mass spectrometry and Carbon-13

Cassini–Huygens

Cassini–Huygens, commonly called Cassini, was a space-research mission by NASA, the European Space Agency (ESA), and the Italian Space Agency (ASI) to send a space probe to study the planet Saturn and its system, including its rings and natural satellites.

See Mass spectrometry and Cassini–Huygens

Cathode

A cathode is the electrode from which a conventional current leaves a polarized electrical device.

See Mass spectrometry and Cathode

Cathode ray

Cathode rays or electron beams (e-beam) are streams of electrons observed in discharge tubes.

See Mass spectrometry and Cathode ray

Charged particle

In physics, a charged particle is a particle with an electric charge.

See Mass spectrometry and Charged particle

Chemical compound

A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) containing atoms from more than one chemical element held together by chemical bonds.

See Mass spectrometry and Chemical compound

Chemical ionization

Chemical ionization (CI) is a soft ionization technique used in mass spectrometry. Mass spectrometry and Chemical ionization are scientific techniques.

See Mass spectrometry and Chemical ionization

Chemical Physics Letters

Chemical Physics Letters is a biweekly peer-reviewed scientific journal covering research in chemical physics and physical chemistry.

See Mass spectrometry and Chemical Physics Letters

Chemical structure

A chemical structure of a molecule is a spatial arrangement of its atoms and their chemical bonds.

See Mass spectrometry and Chemical structure

Chloride

The term chloride refers to a compound or molecule that contains either a chlorine ion, which is a negatively charged chlorine atom, or a non-charged chlorine atom covalently bonded to the rest of the molecule by a single bond.

See Mass spectrometry and Chloride

Chromatography

In chemical analysis, chromatography is a laboratory technique for the separation of a mixture into its components. Mass spectrometry and chromatography are chemical pathology.

See Mass spectrometry and Chromatography

Collision-induced dissociation

Collision-induced dissociation (CID), also known as collisionally activated dissociation (CAD), is a mass spectrometry technique to induce fragmentation of selected ions in the gas phase. Mass spectrometry and collision-induced dissociation are scientific techniques.

See Mass spectrometry and Collision-induced dissociation

Contour line

A contour line (also isoline, isopleth, isoquant or isarithm) of a function of two variables is a curve along which the function has a constant value, so that the curve joins points of equal value.

See Mass spectrometry and Contour line

Cross product

In mathematics, the cross product or vector product (occasionally directed area product, to emphasize its geometric significance) is a binary operation on two vectors in a three-dimensional oriented Euclidean vector space (named here E), and is denoted by the symbol \times.

See Mass spectrometry and Cross product

Curve fitting

Curve fitting is the process of constructing a curve, or mathematical function, that has the best fit to a series of data points, possibly subject to constraints.

See Mass spectrometry and Curve fitting

Cyclotron

A cyclotron is a type of particle accelerator invented by Ernest Lawrence in 1929–1930 at the University of California, Berkeley, and patented in 1932.

See Mass spectrometry and Cyclotron

Dalton (unit)

The dalton or unified atomic mass unit (symbols: Da or u) is a non-SI unit of mass defined as of the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state and at rest.

See Mass spectrometry and Dalton (unit)

Dalton Transactions

Dalton Transactions is a weekly peer-reviewed scientific journal covering original (primary) research and review articles on all aspects of the chemistry of inorganic, bioinorganic, and organometallic compounds.

See Mass spectrometry and Dalton Transactions

De novo peptide sequencing

In mass spectrometry, de novo peptide sequencing is the method in which a peptide amino acid sequence is determined from tandem mass spectrometry.

See Mass spectrometry and De novo peptide sequencing

Deconvolution

In mathematics, deconvolution is the inverse of convolution.

See Mass spectrometry and Deconvolution

Delayed extraction

Delayed extraction is a method used with a time-of-flight mass spectrometer in which the accelerating voltage is applied after some short time delay following pulsed laser desorption/ionization from a flat surface of target plate or, in other implementation, pulsed electron ionization or Resonance enhanced multiphoton ionization in some narrow space between two plates of the ion extraction system.

See Mass spectrometry and Delayed extraction

Desorption atmospheric pressure photoionization

Desorption atmospheric pressure photoionization (DAPPI) is an ambient ionization technique for mass spectrometry that uses hot solvent vapor for desorption in conjunction with photoionization.

See Mass spectrometry and Desorption atmospheric pressure photoionization

Desorption electrospray ionization

Desorption electrospray ionization (DESI) is an ambient ionization technique that can be coupled to mass spectrometry (MS) for chemical analysis of samples at atmospheric conditions.

See Mass spectrometry and Desorption electrospray ionization

Desorption/ionization on silicon

Desorption/ionization on silicon (DIOS) is a soft laser desorption method used to generate gas-phase ions for mass spectrometry analysis.

See Mass spectrometry and Desorption/ionization on silicon

Deuterium

Deuterium (hydrogen-2, symbol H or D, also known as heavy hydrogen) is one of two stable isotopes of hydrogen (the other is protium, or hydrogen-1).

See Mass spectrometry and Deuterium

Differential equation

In mathematics, a differential equation is an equation that relates one or more unknown functions and their derivatives.

See Mass spectrometry and Differential equation

Dimensionless quantity

Dimensionless quantities, or quantities of dimension one, are quantities implicitly defined in a manner that prevents their aggregation into units of measurement.

See Mass spectrometry and Dimensionless quantity

Direct analysis in real time

In mass spectrometry, direct analysis in real time (DART) is an ion source that produces electronically or vibronically excited-state species from gases such as helium, argon, or nitrogen that ionize atmospheric molecules or dopant molecules. Mass spectrometry and direct analysis in real time are Measuring instruments.

See Mass spectrometry and Direct analysis in real time

Dumas method of molecular weight determination

The Dumas method of molecular weight determination was historically a procedure used to determine the molecular weight of an unknown volatile substance.

See Mass spectrometry and Dumas method of molecular weight determination

Duty cycle

A duty cycle or power cycle is the fraction of one period in which a signal or system is active.

See Mass spectrometry and Duty cycle

Electric charge

Electric charge (symbol q, sometimes Q) is the physical property of matter that causes it to experience a force when placed in an electromagnetic field.

See Mass spectrometry and Electric charge

Electric current

An electric current is a flow of charged particles, such as electrons or ions, moving through an electrical conductor or space.

See Mass spectrometry and Electric current

Electric discharge in gases

Electric discharge in gases occurs when electric current flows through a gaseous medium due to ionization of the gas.

See Mass spectrometry and Electric discharge in gases

Electric field

An electric field (sometimes called E-field) is the physical field that surrounds electrically charged particles.

See Mass spectrometry and Electric field

Electron ionization

Electron ionization (EI, formerly known as electron impact ionization and electron bombardment ionization) is an ionization method in which energetic electrons interact with solid or gas phase atoms or molecules to produce ions. Mass spectrometry and electron ionization are scientific techniques.

See Mass spectrometry and Electron ionization

Electron multiplier

An electron multiplier is a vacuum-tube structure that multiplies incident charges. Mass spectrometry and electron multiplier are Measuring instruments.

See Mass spectrometry and Electron multiplier

Electron-capture dissociation

Electron-capture dissociation (ECD) is a method of fragmenting gas-phase ions for structure elucidation of peptides and proteins in tandem mass spectrometry.

See Mass spectrometry and Electron-capture dissociation

Electron-transfer dissociation

Electron-transfer dissociation (ETD) is a method of fragmenting multiply-charged gaseous macromolecules in a mass spectrometer between the stages of tandem mass spectrometry (MS/MS).

See Mass spectrometry and Electron-transfer dissociation

Electrophoresis

Electrophoresis is the motion of charged dispersed particles or dissolved charged molecules relative to a fluid under the influence of a spatially uniform electric field.

See Mass spectrometry and Electrophoresis

Electrospray ionization

Electrospray ionization (ESI) is a technique used in mass spectrometry to produce ions using an electrospray in which a high voltage is applied to a liquid to create an aerosol.

See Mass spectrometry and Electrospray ionization

Electrostatics

Electrostatics is a branch of physics that studies slow-moving or stationary electric charges.

See Mass spectrometry and Electrostatics

Elementary charge

The elementary charge, usually denoted by, is a fundamental physical constant, defined as the electric charge carried by a single proton or, equivalently, the magnitude of the negative electric charge carried by a single electron, which has charge −1.

See Mass spectrometry and Elementary charge

Enceladus

Enceladus is the sixth-largest moon of Saturn and the 19th-largest in the Solar System.

See Mass spectrometry and Enceladus

Enriched uranium

Enriched uranium is a type of uranium in which the percent composition of uranium-235 (written 235U) has been increased through the process of isotope separation.

See Mass spectrometry and Enriched uranium

Ernest Lawrence

Ernest Orlando Lawrence (August 8, 1901 – August 27, 1958) was an American nuclear physicist and winner of the Nobel Prize in Physics in 1939 for his invention of the cyclotron.

See Mass spectrometry and Ernest Lawrence

Eugen Goldstein

Eugen Goldstein (5 September 1850 – 25 December 1930) was a German physicist.

See Mass spectrometry and Eugen Goldstein

Evolved gas analysis

Evolved gas analysis (EGA) is a method used to study the gas evolved from a heated sample that undergoes decomposition or desorption.

See Mass spectrometry and Evolved gas analysis

Faraday cup

A Faraday cup is a metal (conductive) cup designed to catch charged particles in vacuum. Mass spectrometry and Faraday cup are Measuring instruments.

See Mass spectrometry and Faraday cup

Fast atom bombardment

Fast atom bombardment (FAB) is an ionization technique used in mass spectrometry in which a beam of high energy atoms strikes a surface to create ions.

See Mass spectrometry and Fast atom bombardment

Field desorption

Field desorption (FD) is a method of ion formation used in mass spectrometry (MS) in which a high-potential electric field is applied to an emitter with a sharp surface, such as a razor blade, or more commonly, a filament from which tiny "whiskers" have formed.

See Mass spectrometry and Field desorption

Flowing-afterglow mass spectrometry

Flowing-afterglow mass spectrometry (FA-MS), is an analytical chemistry technique for the sensitive detection of trace gases.

See Mass spectrometry and Flowing-afterglow mass spectrometry

Fourier transform

In physics, engineering and mathematics, the Fourier transform (FT) is an integral transform that takes a function as input and outputs another function that describes the extent to which various frequencies are present in the original function.

See Mass spectrometry and Fourier transform

Fourier-transform ion cyclotron resonance

Fourier-transform ion cyclotron resonance mass spectrometry is a type of mass analyzer (or mass spectrometer) for determining the mass-to-charge ratio (m/z) of ions based on the cyclotron frequency of the ions in a fixed magnetic field. Mass spectrometry and Fourier-transform ion cyclotron resonance are Measuring instruments.

See Mass spectrometry and Fourier-transform ion cyclotron resonance

Fragmentation (mass spectrometry)

In mass spectrometry, fragmentation is the dissociation of energetically unstable molecular ions formed from passing the molecules mass spectrum.

See Mass spectrometry and Fragmentation (mass spectrometry)

Francis William Aston

Francis William Aston FRS (1 September 1877 – 20 November 1945) was a British chemist and physicist who won the 1922 Nobel Prize in Chemistry for his discovery, by means of his mass spectrograph, of isotopes in many non-radioactive elements and for his enunciation of the whole number rule.

See Mass spectrometry and Francis William Aston

Gas

Gas is one of the four fundamental states of matter.

See Mass spectrometry and Gas

Gas chromatography

Gas chromatography (GC) is a common type of chromatography used in analytical chemistry for separating and analyzing compounds that can be vaporized without decomposition.

See Mass spectrometry and Gas chromatography

Gas chromatography–mass spectrometry

Gas chromatography–mass spectrometry (GC–MS) is an analytical method that combines the features of gas-chromatography and mass spectrometry to identify different substances within a test sample.

See Mass spectrometry and Gas chromatography–mass spectrometry

Gas-phase ion chemistry

Gas phase ion chemistry is a field of science encompassed within both chemistry and physics.

See Mass spectrometry and Gas-phase ion chemistry

Glow discharge

A glow discharge is a plasma formed by the passage of electric current through a gas.

See Mass spectrometry and Glow discharge

Hans Georg Dehmelt

Hans Georg Dehmelt (9 September 1922 – 7 March 2017) was a German and American physicist, who was awarded a Nobel Prize in Physics in 1989, for co-developing the ion trap technique (Penning trap) with Wolfgang Paul, for which they shared one-half of the prize (the other half of the Prize in that year was awarded to Norman Foster Ramsey).

See Mass spectrometry and Hans Georg Dehmelt

Helium mass spectrometer

A helium mass spectrometer is an instrument commonly used to detect and locate small leaks.

See Mass spectrometry and Helium mass spectrometer

High-performance liquid chromatography

High-performance liquid chromatography (HPLC), formerly referred to as high-pressure liquid chromatography, is a technique in analytical chemistry used to separate, identify, and quantify specific components in mixtures. Mass spectrometry and high-performance liquid chromatography are scientific techniques.

See Mass spectrometry and High-performance liquid chromatography

Huygens (spacecraft)

Huygens was an atmospheric entry robotic space probe that landed successfully on Saturn's moon Titan in 2005.

See Mass spectrometry and Huygens (spacecraft)

In silico

In biology and other experimental sciences, an in silico experiment is one performed on a computer or via computer simulation software.

See Mass spectrometry and In silico

In-gel digestion

The in-gel digestion step is a part of the sample preparation for the mass spectrometric identification of proteins in course of proteomic analysis.

See Mass spectrometry and In-gel digestion

Incandescent light bulb

An incandescent light bulb, incandescent lamp or incandescent light globe is an electric light with a filament that is heated until it glows.

See Mass spectrometry and Incandescent light bulb

Inductively coupled plasma mass spectrometry

Inductively coupled plasma mass spectrometry (ICP-MS) is a type of mass spectrometry that uses an inductively coupled plasma to ionize the sample. Mass spectrometry and inductively coupled plasma mass spectrometry are scientific techniques.

See Mass spectrometry and Inductively coupled plasma mass spectrometry

Infrared multiphoton dissociation

Infrared multiple photon dissociation (IRMPD) is a technique used in mass spectrometry to fragment molecules in the gas phase usually for structural analysis of the original (parent) molecule. Mass spectrometry and Infrared multiphoton dissociation are Measuring instruments.

See Mass spectrometry and Infrared multiphoton dissociation

International Journal of Mass Spectrometry

The International Journal of Mass Spectrometry is a monthly peer-reviewed scientific journal covering all aspects of mass spectrometry, including instrumentation and applications in biology, chemistry, geology, and physics.

See Mass spectrometry and International Journal of Mass Spectrometry

International scientific vocabulary

International scientific vocabulary (ISV) comprises scientific and specialized words whose language of origin may or may not be certain, but which are in current use in several modern languages (that is, translingually, whether in naturalized, loanword, or calque forms).

See Mass spectrometry and International scientific vocabulary

Ion

An ion is an atom or molecule with a net electrical charge.

See Mass spectrometry and Ion

Ion cyclotron resonance

Ion cyclotron resonance is a phenomenon related to the movement of ions in a magnetic field. Mass spectrometry and ion cyclotron resonance are scientific techniques.

See Mass spectrometry and Ion cyclotron resonance

Ion source

An ion source is a device that creates atomic and molecular ions.

See Mass spectrometry and Ion source

Ion trap

An ion trap is a combination of electric and/or magnetic fields used to capture charged particles — known as ions — often in a system isolated from an external environment.

See Mass spectrometry and Ion trap

Ion-to-photon detector

An ion-to-photon detector (IPD) is a component used for detecting ions in mass spectrometry.

See Mass spectrometry and Ion-to-photon detector

Ionization

Ionization (or ionisation specifically in Britain, Ireland, Australia and New Zealand) is the process by which an atom or a molecule acquires a negative or positive charge by gaining or losing electrons, often in conjunction with other chemical changes.

See Mass spectrometry and Ionization

Isotope

Isotopes are distinct nuclear species (or nuclides) of the same chemical element.

See Mass spectrometry and Isotope

Isotope dilution

Isotope dilution analysis is a method of determining the quantity of chemical substances. Mass spectrometry and Isotope dilution are scientific techniques.

See Mass spectrometry and Isotope dilution

Isotope-ratio mass spectrometry

Isotope-ratio mass spectrometry (IRMS) is a specialization of mass spectrometry, in which mass spectrometric methods are used to measure the relative abundance of isotopes in a given sample.

See Mass spectrometry and Isotope-ratio mass spectrometry

Isotopes of chlorine

Chlorine (17Cl) has 25 isotopes, ranging from 28Cl to 52Cl, and two isomers, 34mCl and 38mCl.

See Mass spectrometry and Isotopes of chlorine

Isotopes of uranium

Uranium (U) is a naturally occurring radioactive element that has no stable isotope.

See Mass spectrometry and Isotopes of uranium

Isotopic signature

An isotopic signature (also isotopic fingerprint) is a ratio of non-radiogenic 'stable isotopes', stable radiogenic isotopes, or unstable radioactive isotopes of particular elements in an investigated material.

See Mass spectrometry and Isotopic signature

J. J. Thomson

Sir Joseph John Thomson (18 December 1856 – 30 August 1940) was a British physicist and Nobel Laureate in Physics, credited with the discovery of the electron, the first subatomic particle to be found.

See Mass spectrometry and J. J. Thomson

John B. Fenn

John Bennett Fenn (June 15, 1917December 10, 2010) was an American professor of analytical chemistry who was awarded a share of the Nobel Prize in Chemistry in 2002.

See Mass spectrometry and John B. Fenn

Kinetic energy

In physics, the kinetic energy of an object is the form of energy that it possesses due to its motion.

See Mass spectrometry and Kinetic energy

Koichi Tanaka

is a Japanese electrical engineer who shared the Nobel Prize in Chemistry in 2002 for developing a novel method for mass spectrometric analyses of biological macromolecules with John Bennett Fenn and Kurt Wüthrich (the latter for work in NMR spectroscopy).

See Mass spectrometry and Koichi Tanaka

Laser ablation electrospray ionization

Laser ablation electrospray ionization (LAESI) is an ambient ionization method for mass spectrometry that combines laser ablation from a mid-infrared (mid-IR) laser with a secondary electrospray ionization (ESI) process.

See Mass spectrometry and Laser ablation electrospray ionization

Laser spray ionization

Laser spray ionization refers to one of several methods for creating ions using a laser interacting with a spray of neutral particles or ablating material to create a plume of charged particles.

See Mass spectrometry and Laser spray ionization

Liquid

A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a nearly constant volume independent of pressure.

See Mass spectrometry and Liquid

Liquid chromatography–mass spectrometry

Liquid chromatography–mass spectrometry (LC–MS) is an analytical chemistry technique that combines the physical separation capabilities of liquid chromatography (or HPLC) with the mass analysis capabilities of mass spectrometry (MS).

See Mass spectrometry and Liquid chromatography–mass spectrometry

List of mass spectrometry acronyms

This is a compilation of initialisms and acronyms commonly used in mass spectrometry.

See Mass spectrometry and List of mass spectrometry acronyms

List of mass spectrometry software

Mass spectrometry software is used for data acquisition, analysis, or representation in mass spectrometry.

See Mass spectrometry and List of mass spectrometry software

Lorentz force

In physics, specifically in electromagnetism, the Lorentz force law is the combination of electric and magnetic force on a point charge due to electromagnetic fields.

See Mass spectrometry and Lorentz force

Macromolecule

A macromolecule is a very large molecule important to biological processes, such as a protein or nucleic acid.

See Mass spectrometry and Macromolecule

Magnetic field

A magnetic field (sometimes called B-field) is a physical field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials.

See Mass spectrometry and Magnetic field

Magnetosphere

In astronomy and planetary science, a magnetosphere is a region of space surrounding an astronomical object in which charged particles are affected by that object's magnetic field.

See Mass spectrometry and Magnetosphere

Manhattan Project

The Manhattan Project was a research and development program undertaken during World War II to produce the first nuclear weapons.

See Mass spectrometry and Manhattan Project

Mars

Mars is the fourth planet from the Sun.

See Mass spectrometry and Mars

Mass

Mass is an intrinsic property of a body.

See Mass spectrometry and Mass

Mass (mass spectrometry)

The mass recorded by a mass spectrometer can refer to different physical quantities depending on the characteristics of the instrument and the manner in which the mass spectrum is displayed.

See Mass spectrometry and Mass (mass spectrometry)

Mass chromatogram

A mass chromatogram is a representation of mass spectrometry data as a chromatogram, where the x-axis represents time and the y-axis represents signal intensity.

See Mass spectrometry and Mass chromatogram

Mass spectrometry imaging

Mass spectrometry imaging (MSI) is a technique used in mass spectrometry to visualize the spatial distribution of molecules, as biomarkers, metabolites, peptides or proteins by their molecular masses.

See Mass spectrometry and Mass spectrometry imaging

Mass Spectrometry Reviews

Mass Spectrometry Reviews (usually abbreviated as Mass Spectrom. Rev.), is a peer-reviewed scientific journal, published since 1982 by John Wiley & Sons.

See Mass spectrometry and Mass Spectrometry Reviews

Mass spectrum

A mass spectrum is a histogram plot of intensity vs.

See Mass spectrometry and Mass spectrum

Mass-to-charge ratio

The mass-to-charge ratio (m/Q) is a physical quantity relating the mass (quantity of matter) and the electric charge of a given particle, expressed in units of kilograms per coulomb (kg/C).

See Mass spectrometry and Mass-to-charge ratio

MasSpec Pen

The MasSpec Pen, or the precìso MasSpec Pen System, is a mass spectrometry (MS) based cancer detection and diagnosis system that can be used for ex vivo and in vivo tissue sample analysis.

See Mass spectrometry and MasSpec Pen

Matrix-assisted laser desorption/ionization

In mass spectrometry, matrix-assisted laser desorption/ionization (MALDI) is an ionization technique that uses a laser energy-absorbing matrix to create ions from large molecules with minimal fragmentation.

See Mass spectrometry and Matrix-assisted laser desorption/ionization

Membrane-introduction mass spectrometry

Membrane-introduction mass spectrometry (MIMS) is a method of introducing analytes into the mass spectrometer's vacuum chamber via a semi-permeable membrane.

See Mass spectrometry and Membrane-introduction mass spectrometry

Metal

A metal is a material that, when polished or fractured, shows a lustrous appearance, and conducts electricity and heat relatively well.

See Mass spectrometry and Metal

METLIN

The METLIN Metabolite and Chemical Entity Database is the largest repository of experimental tandem mass spectrometry and neutral loss data acquired from standards.

See Mass spectrometry and METLIN

Microchannel plate detector

A microchannel plate (MCP) is used to detect single particles (electrons, ions and neutrons) and photons (ultraviolet radiation and X-rays).

See Mass spectrometry and Microchannel plate detector

Microdosing

Microdosing, or micro-dosing, involves the administration of sub-therapeutic doses of drugs to study their effects in humans, aiming to gather preliminary data on safety, pharmacokinetics, and potential therapeutic benefits without producing significant physiological effects.

See Mass spectrometry and Microdosing

Milli mass unit

The milli mass unit or (mmu) is used as a unit of mass by some scientific authors even though this unit is not defined by the IUPAP red book nor by the IUPAC green book.

See Mass spectrometry and Milli mass unit

Molecule

A molecule is a group of two or more atoms held together by attractive forces known as chemical bonds; depending on context, the term may or may not include ions which satisfy this criterion.

See Mass spectrometry and Molecule

Monoisotopic element

A monoisotopic element is an element which has only a single stable isotope (nuclide).

See Mass spectrometry and Monoisotopic element

Nanoscale secondary ion mass spectrometry

NanoSIMS (nanoscale secondary ion mass spectrometry) is an analytical instrument manufactured by CAMECA which operates on the principle of secondary ion mass spectrometry.

See Mass spectrometry and Nanoscale secondary ion mass spectrometry

Newton's laws of motion

Newton's laws of motion are three physical laws that describe the relationship between the motion of an object and the forces acting on it.

See Mass spectrometry and Newton's laws of motion

Nobel Prize in Chemistry

The Nobel Prize in Chemistry (Nobelpriset i kemi) is awarded annually by the Royal Swedish Academy of Sciences to scientists in the various fields of chemistry.

See Mass spectrometry and Nobel Prize in Chemistry

Nobel Prize in Physics

The Nobel Prize in Physics (Nobelpriset i fysik) is an annual award given by the Royal Swedish Academy of Sciences for those who have made the most outstanding contributions to mankind in the field of physics.

See Mass spectrometry and Nobel Prize in Physics

Oak Ridge, Tennessee

Oak Ridge is a city in Anderson and Roane counties in the eastern part of the U.S. state of Tennessee, about west of downtown Knoxville.

See Mass spectrometry and Oak Ridge, Tennessee

Operating theater

An operating theater (also known as an Operating Room (OR), operating suite, operation suite, or Operation Theatre (OT)) is a facility within a hospital where surgical operations are carried out in an aseptic environment.

See Mass spectrometry and Operating theater

Optical spectrometer

An optical spectrometer (spectrophotometer, spectrograph or spectroscope) is an instrument used to measure properties of light over a specific portion of the electromagnetic spectrum, typically used in spectroscopic analysis to identify materials. Mass spectrometry and optical spectrometer are Measuring instruments and spectrometers.

See Mass spectrometry and Optical spectrometer

Orbitrap

In mass spectrometry, Orbitrap is an ion trap mass analyzer consisting of an outer barrel-like electrode and a coaxial inner spindle-like electrode that traps ions in an orbital motion around the spindle.

See Mass spectrometry and Orbitrap

Oscilloscope

An oscilloscope (informally scope or O-scope) is a type of electronic test instrument that graphically displays varying voltages of one or more signals as a function of time. Mass spectrometry and oscilloscope are Measuring instruments.

See Mass spectrometry and Oscilloscope

Parts-per notation

In science and engineering, the parts-per notation is a set of pseudo-units to describe small values of miscellaneous dimensionless quantities, e.g. mole fraction or mass fraction.

See Mass spectrometry and Parts-per notation

Penning trap

A Penning trap is a device for the storage of charged particles using a homogeneous magnetic field and a quadrupole electric field. Mass spectrometry and Penning trap are Measuring instruments.

See Mass spectrometry and Penning trap

Pepsin

Pepsin is an endopeptidase that breaks down proteins into smaller peptides and amino acids.

See Mass spectrometry and Pepsin

Peptide

Peptides are short chains of amino acids linked by peptide bonds.

See Mass spectrometry and Peptide

Peptide mass fingerprinting

Peptide mass fingerprinting (PMF), also known as protein fingerprinting, is an analytical technique for protein identification in which the unknown protein of interest is first cleaved into smaller peptides, whose absolute masses can be accurately measured with a mass spectrometer such as MALDI-TOF or ESI-TOF.

See Mass spectrometry and Peptide mass fingerprinting

Phoenix (spacecraft)

Phoenix was an uncrewed space probe that landed on the surface of Mars on May 25, 2008, and operated until November 2, 2008.

See Mass spectrometry and Phoenix (spacecraft)

Phosphor

A phosphor is a substance that exhibits the phenomenon of luminescence; it emits light when exposed to some type of radiant energy.

See Mass spectrometry and Phosphor

Photographic plate

Photographic plates preceded photographic film as a capture medium in photography.

See Mass spectrometry and Photographic plate

Photoionization

Photoionization is the physical process in which an ion is formed from the interaction of a photon with an atom or molecule.

See Mass spectrometry and Photoionization

Photosystem II

Photosystem II (or water-plastoquinone oxidoreductase) is the first protein complex in the light-dependent reactions of oxygenic photosynthesis.

See Mass spectrometry and Photosystem II

Protease

A protease (also called a peptidase, proteinase, or proteolytic enzyme) is an enzyme that catalyzes proteolysis, breaking down proteins into smaller polypeptides or single amino acids, and spurring the formation of new protein products.

See Mass spectrometry and Protease

Protein

Proteins are large biomolecules and macromolecules that comprise one or more long chains of amino acid residues.

See Mass spectrometry and Protein

Protein primary structure

Protein primary structure is the linear sequence of amino acids in a peptide or protein.

See Mass spectrometry and Protein primary structure

Protein sequencing

Protein sequencing is the practical process of determining the amino acid sequence of all or part of a protein or peptide.

See Mass spectrometry and Protein sequencing

Proton-transfer-reaction mass spectrometry

Proton-transfer-reaction mass spectrometry (PTR-MS) is an analytical chemistry technique that uses gas phase hydronium reagent ions which are produced in an ion source. Mass spectrometry and Proton-transfer-reaction mass spectrometry are Measuring instruments.

See Mass spectrometry and Proton-transfer-reaction mass spectrometry

Quadrupole

A quadrupole or quadrapole is one of a sequence of configurations of things like electric charge or current, or gravitational mass that can exist in ideal form, but it is usually just part of a multipole expansion of a more complex structure reflecting various orders of complexity.

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Quadrupole ion trap

In experimental physics, a quadrupole ion trap or paul trap is a type of ion trap that uses dynamic electric fields to trap charged particles. Mass spectrometry and quadrupole ion trap are Measuring instruments.

See Mass spectrometry and Quadrupole ion trap

Quadrupole mass analyzer

In mass spectrometry, the quadrupole mass analyzer (or quadrupole mass filter) is a type of mass analyzer originally conceived by Nobel laureate Wolfgang Paul and his student Helmut Steinwedel.

See Mass spectrometry and Quadrupole mass analyzer

Qualitative research

Qualitative research is a type of research that aims to gather and analyse non-numerical (descriptive) data in order to gain an understanding of individuals' social reality, including understanding their attitudes, beliefs, and motivation.

See Mass spectrometry and Qualitative research

Quantitative analysis (chemistry)

In analytical chemistry, quantitative analysis is the determination of the absolute or relative abundance (often expressed as a concentration) of one, several or all particular substance(s) present in a sample.

See Mass spectrometry and Quantitative analysis (chemistry)

Radio frequency

Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical system in the frequency range from around to around.

See Mass spectrometry and Radio frequency

Radiocarbon dating

Radiocarbon dating (also referred to as carbon dating or carbon-14 dating) is a method for determining the age of an object containing organic material by using the properties of radiocarbon, a radioactive isotope of carbon.

See Mass spectrometry and Radiocarbon dating

Rapid Communications in Mass Spectrometry

Rapid Communications in Mass Spectrometry (RCM) is a biweekly peer-reviewed scientific journal published since 1987 by John Wiley & Sons.

See Mass spectrometry and Rapid Communications in Mass Spectrometry

Reflectron

A reflectron (mass reflectron) is a type of time-of-flight mass spectrometer (TOF MS) that comprises a pulsed ion source, field-free region, ion mirror, and ion detector and uses a static or time dependent electric field in the ion mirror to reverse the direction of travel of the ions entering it.

See Mass spectrometry and Reflectron

Resolution (mass spectrometry)

In mass spectrometry, resolution is a measure of the ability to distinguish two peaks of slightly different mass-to-charge ratios ΔM, in a mass spectrum.

See Mass spectrometry and Resolution (mass spectrometry)

Saturn

Saturn is the sixth planet from the Sun and the second-largest in the Solar System, after Jupiter.

See Mass spectrometry and Saturn

Secondary electrospray ionization

Secondary electro-spray ionization (SESI) is an ambient ionization technique for the analysis of trace concentrations of vapors, where a nano-electrospray produces charging agents that collide with the analyte molecules directly in gas-phase.

See Mass spectrometry and Secondary electrospray ionization

Secondary ion mass spectrometry

Secondary-ion mass spectrometry (SIMS) is a technique used to analyze the composition of solid surfaces and thin films by sputtering the surface of the specimen with a focused primary ion beam and collecting and analyzing ejected secondary ions.

See Mass spectrometry and Secondary ion mass spectrometry

Sector mass spectrometer

A sector instrument is a general term for a class of mass spectrometer that uses a static electric (E) or magnetic (B) sector or some combination of the two (separately in space) as a mass analyzer. Mass spectrometry and sector mass spectrometer are Measuring instruments.

See Mass spectrometry and Sector mass spectrometer

Selected ion monitoring

Selected ion monitoring (SIM) is a mass spectrometry scanning mode in which only a limited mass-to-charge ratio range is transmitted/detected by the instrument, as opposed to the full spectrum range.

See Mass spectrometry and Selected ion monitoring

Selected reaction monitoring

Selected reaction monitoring (SRM), also called multiple reaction monitoring (MRM), is a method used in tandem mass spectrometry in which an ion of a particular mass is selected in the first stage of a tandem mass spectrometer and an ion product of a fragmentation reaction of the precursor ions is selected in the second mass spectrometer stage for detection.

See Mass spectrometry and Selected reaction monitoring

Selected-ion flow-tube mass spectrometry

Selected-ion flow-tube mass spectrometry (SIFT-MS) is a quantitative mass spectrometry technique for trace gas analysis which involves the chemical ionization of trace volatile compounds by selected positive precursor ions during a well-defined time period along a flow tube.

See Mass spectrometry and Selected-ion flow-tube mass spectrometry

Single-cell analysis

In the field of cellular biology, single-cell analysis and subcellular analysis is the study of genomics, transcriptomics, proteomics, metabolomics and cell–cell interactions at the single cell level. Mass spectrometry and single-cell analysis are scientific techniques.

See Mass spectrometry and Single-cell analysis

Sodium

Sodium is a chemical element; it has symbol Na (from Neo-Latin natrium) and atomic number 11.

See Mass spectrometry and Sodium

Sodium chloride

Sodium chloride, commonly known as edible salt, is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chlorine ions.

See Mass spectrometry and Sodium chloride

Soft laser desorption

Soft laser desorption (SLD) is laser desorption of large molecules that results in ionization without fragmentation.

See Mass spectrometry and Soft laser desorption

Solid

Solid is one of the four fundamental states of matter along with liquid, gas, and plasma.

See Mass spectrometry and Solid

Solution (chemistry)

In chemistry, a solution is a special type of homogeneous mixture composed of two or more substances.

See Mass spectrometry and Solution (chemistry)

Solvent

A solvent (from the Latin solvō, "loosen, untie, solve") is a substance that dissolves a solute, resulting in a solution.

See Mass spectrometry and Solvent

Southwest Research Institute

Southwest Research Institute (SwRI), headquartered in San Antonio, Texas, is an independent and nonprofit applied research and development (R&D) organization.

See Mass spectrometry and Southwest Research Institute

Spark ionization

Spark ionization (also known as spark source ionization) is a method used to produce gas phase ions from a solid sample.

See Mass spectrometry and Spark ionization

Spectroscopy

Spectroscopy is the field of study that measures and interprets electromagnetic spectra. Mass spectrometry and Spectroscopy are scientific techniques.

See Mass spectrometry and Spectroscopy

Spectrum

A spectrum (spectra or spectrums) is a condition that is not limited to a specific set of values but can vary, without gaps, across a continuum.

See Mass spectrometry and Spectrum

Structure

A structure is an arrangement and organization of interrelated elements in a material object or system, or the object or system so organized.

See Mass spectrometry and Structure

Synchrotron

A synchrotron is a particular type of cyclic particle accelerator, descended from the cyclotron, in which the accelerating particle beam travels around a fixed closed-loop path.

See Mass spectrometry and Synchrotron

Tandem mass spectrometry

Tandem mass spectrometry, also known as MS/MS or MS2, is a technique in instrumental analysis where two or more stages of analysis using one or more mass analyzer are performed with an additional reaction step in between these analyses to increase their abilities to analyse chemical samples.

See Mass spectrometry and Tandem mass spectrometry

Thermal and Evolved Gas Analyzer

The Thermal and Evolved Gas Analyzer (TEGA) is a scientific instrument aboard the ''Phoenix'' spacecraft, a Mars lander which landed and operated on the planet Mars in 2008.

See Mass spectrometry and Thermal and Evolved Gas Analyzer

Thermal ionization

Thermal ionization, also known as surface ionization or contact ionization, is a physical process whereby the atoms are desorbed from a hot surface, and in the process are ionized.

See Mass spectrometry and Thermal ionization

Thermospray

Thermospray is a soft ionization source by which a solvent flow of liquid sample passes through a very thin heated column to become a spray of fine liquid droplets.

See Mass spectrometry and Thermospray

Time of flight

Time of flight (ToF) is the measurement of the time taken by an object, particle or wave (be it acoustic, electromagnetic, etc.) to travel a distance through a medium.

See Mass spectrometry and Time of flight

Titan (moon)

Titan is the largest moon of Saturn and the second-largest in the Solar System.

See Mass spectrometry and Titan (moon)

Top-down proteomics

Top-down proteomics is a method of protein identification that either uses an ion trapping mass spectrometer to store an isolated protein ion for mass measurement and tandem mass spectrometry (MS/MS) analysis or other protein purification methods such as two-dimensional gel electrophoresis in conjunction with MS/MS.

See Mass spectrometry and Top-down proteomics

Trace gas

Trace gases are gases that are present in small amounts within an environment such as a planet's atmosphere.

See Mass spectrometry and Trace gas

Trypsin

Trypsin is an enzyme in the first section of the small intestine that starts the digestion of protein molecules by cutting long chains of amino acids into smaller pieces.

See Mass spectrometry and Trypsin

Urea breath test

The urea breath test is a rapid diagnostic procedure used to identify infections by Helicobacter pylori, a spiral bacterium implicated in gastritis, gastric ulcer, and peptic ulcer disease.

See Mass spectrometry and Urea breath test

Vapor

In physics, a vapor (American English) or vapour (Commonwealth English; see spelling differences) is a substance in the gas phase at a temperature lower than its critical temperature,R.

See Mass spectrometry and Vapor

Velocity

Velocity is the speed in combination with the direction of motion of an object.

See Mass spectrometry and Velocity

Viking program

The Viking program consisted of a pair of identical American space probes, Viking 1 and Viking 2, which landed on Mars in 1976.

See Mass spectrometry and Viking program

Voltage

Voltage, also known as (electrical) potential difference, electric pressure, or electric tension is the difference in electric potential between two points.

See Mass spectrometry and Voltage

Water

Water is an inorganic compound with the chemical formula.

See Mass spectrometry and Water

Wilhelm Wien

Wilhelm Carl Werner Otto Fritz Franz Wien (13 January 1864 – 30 August 1928) was a German physicist who, in 1893, used theories about heat and electromagnetism to deduce Wien's displacement law, which calculates the emission of a blackbody at any temperature from the emission at any one reference temperature.

See Mass spectrometry and Wilhelm Wien

Wolfgang Paul

Wolfgang Paul (10 August 1913 – 7 December 1993) was a German physicist, who co-developed the non-magnetic quadrupole mass filter which laid the foundation for what is now called an ion trap.

See Mass spectrometry and Wolfgang Paul

Y-12 National Security Complex

The Y-12 National Security Complex is a United States Department of Energy National Nuclear Security Administration facility located in Oak Ridge, Tennessee, near the Oak Ridge National Laboratory.

See Mass spectrometry and Y-12 National Security Complex

References

[1] https://en.wikipedia.org/wiki/Mass_spectrometry

Also known as Accelerated mass spectrometer, Applications of mass spectrometry, Hard ionization, Isotopic distribution, Mass Spec, Mass Spectrograph, Mass Spectrometer, Mass Spectrometers, Mass Spectroscopy, Mass accuracy, Mass analyzer, Mass spectrography, Mass spectrometrist, Mass spectroscope, Mass spectrum analyzer, Mass-spec, Soft ionization, Spectrum analysis, mass, Trace gas analysis.

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