• Desorption is the physical process where adsorbed atoms or molecules are released from a surface into the surrounding vacuum or fluid. This occurs when...
    20 KB (2,902 words) - 15:45, 26 June 2024
  • Thumbnail for 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...
    69 KB (8,151 words) - 10:31, 29 June 2024
  • Thumbnail for Ion source
    thus charging the analyte. Surface-assisted laser desorption/ionization (SALDI) is a soft laser desorption technique used for analyzing biomolecules by mass...
    58 KB (7,140 words) - 08:46, 21 February 2024
  • Temperature programmed desorption (TPD) is the method of observing desorbed molecules from a surface when the surface temperature is increased. When experiments...
    12 KB (1,723 words) - 10:38, 9 May 2024
  • Thumbnail for 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...
    14 KB (1,904 words) - 03:16, 12 May 2024
  • Thumbnail for Ambient ionization
    secondary droplets that are the source of ions for the mass spectrometer. Desorption electrospray ionization (DESI) is one of the original ambient ionization...
    62 KB (5,967 words) - 10:36, 27 May 2024
  • Thermal desorption is an environmental remediation technology that utilizes heat to increase the volatility of contaminants such that they can be removed...
    10 KB (1,386 words) - 13:48, 20 November 2023
  • Analytical thermal desorption, known within the analytical chemistry community simply as "thermal desorption" (TD), is a technique that concentrates volatile...
    17 KB (2,119 words) - 08:29, 27 May 2024
  • Thumbnail for Koichi Tanaka
    Society of Japan held in Kyoto, in May 1987 and became known as soft laser desorption (SLD). However, there was some criticism about his winning the prize,...
    8 KB (652 words) - 15:33, 8 June 2024
  • Soft laser desorption (SLD) is laser desorption of large molecules that results in ionization without fragmentation. "Soft" in the context of ion formation...
    12 KB (1,327 words) - 00:52, 15 December 2023
  • Thumbnail for Laser diode thermal desorption
    Laser diode thermal desorption (LDTD) is an ionization technique that is coupled to mass spectrometry to analyze samples with atmospheric pressure chemical...
    19 KB (1,995 words) - 16:59, 27 September 2023
  • Thumbnail for 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. DIOS is considered...
    9 KB (938 words) - 14:10, 27 February 2024
  • In situ thermal desorption (ISTD) is an intensive thermally enhanced environmental remediation technology that uses thermal conductive heating (TCH) elements...
    2 KB (261 words) - 06:19, 10 March 2020
  • Thumbnail for 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...
    25 KB (3,121 words) - 14:22, 8 January 2024
  • Thumbnail for Adsorption
    adsorbent. The term sorption encompasses both adsorption and absorption, and desorption is the reverse of sorption. IUPAC definition adsorption: An increase in...
    55 KB (7,150 words) - 01:25, 1 July 2024
  • Thumbnail for Mass spectrometry
    ionization (ESI) and Koichi Tanaka for the development of soft laser desorption (SLD) and their application to the ionization of biological macromolecules...
    82 KB (10,321 words) - 23:55, 29 July 2024
  • Thumbnail for Capacitive deionization
    through two phases: an adsorption phase where water is desalinated and a desorption phase where the electrodes are regenerated. During the adsorption phase...
    30 KB (3,609 words) - 22:36, 3 May 2024
  • phase samples can be ionized through methods such as field desorption, plasma-desorption, fast atom bombardment, and secondary-ion ionization. Liquids...
    40 KB (5,398 words) - 04:22, 28 January 2024
  • Thumbnail for Moonshine
    Brown, Christopher J.; Hlavacek, Vladimir (21 October 2009). "Adsorption/Desorption of Water and Ethanol on 3A Zeolite in Near-Adiabatic Fixed Bed". Industrial...
    35 KB (3,778 words) - 21:57, 27 July 2024
  • equilibrium with the gas phase, i.e. similar molecule adsorption and desorption rates. The desorption is a kinetically limited process, i.e. a heat of adsorption...
    24 KB (3,715 words) - 20:03, 3 July 2024
  • Surface-enhanced laser desorption/ionization (SELDI) is a soft ionization method in mass spectrometry (MS) used for the analysis of protein mixtures. It...
    14 KB (1,659 words) - 00:22, 29 January 2023
  • Thumbnail for Surface-assisted laser desorption/ionization
    Surface-assisted laser desorption/ionization (SALDI) is a soft laser desorption technique used for mass spectrometry analysis of biomolecules, polymers...
    26 KB (3,250 words) - 14:33, 29 March 2024
  • Thumbnail for Nanospray desorption electrospray ionization
    Nanospray desorption electrospray ionization (nano-DESI) is an ambient pressure ionization technique used in mass spectrometry (MS) for chemical analysis...
    4 KB (417 words) - 14:37, 1 May 2024
  • Thumbnail for Catalysis
    (RNA biocatalyst) SUMO enzymes Temperature-programmed reduction Thermal desorption spectroscopy Portals: Chemistry Biology IUPAC, Compendium of Chemical...
    46 KB (5,233 words) - 21:48, 27 July 2024
  • Thumbnail for Onion
    (January 2013). "Fast Phenotyping of LFS-Silenced (Tearless) Onions by Desorption Electrospray Ionization Mass Spectrometry (DESI-MS)". Journal of Agricultural...
    61 KB (6,558 words) - 23:56, 18 July 2024
  • formation of ions. Matrix compounds are used in matrix-assisted laser desorption/ionization (MALDI), matrix-assisted ionization (MAI), and fast atom bombardment...
    8 KB (595 words) - 12:54, 25 June 2023
  • Thumbnail for Floral scent
    cartridges, thermal desorption may require the use of a specific machine, a thermal desorber, connected to the separation system. Desorption by solvent: VOCs...
    25 KB (3,145 words) - 02:50, 3 December 2023
  • Thumbnail for Calcium carbonate
    in understanding whether or not it can affect pesticide adsorption and desorption in calcareous soil. Calcium carbonate is a key ingredient in many household...
    79 KB (7,564 words) - 14:25, 12 July 2024
  • Thumbnail for 3-Nitrobenzyl alcohol
    as a liquid matrix for fast atom bombardment and matrix-assisted laser desorption ionization. In electrospray ionization 3-NBA is doped into low surface...
    3 KB (191 words) - 19:38, 31 January 2024
  • Transition metal oxides can also undergo photo-assisted adsorption and desorption that alter their electrical conductivity. One of the more researched properties...
    33 KB (4,119 words) - 20:08, 22 April 2024