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Experimental chemistry technique
Matrix isolation is an experimental technique used in chemistry and physics. It generally involves a material being trapped within an unreactive matrix
Matrix_isolation
Chemical compound
or bromine azide as the intermediate. The product is collected by matrix isolation in solid argon (10 K) or by condensation on a liquid nitrogen cooled
Hexanitrogen
Class of chemical compounds
atom. However, compounds of argon have been detected in inert gas matrix isolation, cold gases, and plasmas, and molecular ions containing argon have
Argon_compounds
Chemical compound in DNA and RNA
Lapinski; J. S. Kwiatkowski; J. Leszczynski (1994). "Experimental matrix isolation and theoretical ab initio HF/6-31G(d, p) studies of infrared spectra
Adenine
Chemical group (=CH2)
methylene were also studied around 1960 by infrared spectroscopy using matrix isolation experiments. Many of methylene's electronic states lie relatively close
Methylene_(compound)
Chemical compound
degrades by a bimolecular process, the species can be observed by matrix isolation techniques at temperatures below 35 K. It is thought to adopt a rectangular
Cyclobutadiene
Uranium-Oxygen compound
some work has been done on the molecular form in the gas phase, in matrix isolations studies, and computationally. At elevated temperatures gaseous UO3
Uranium_trioxide
Molecular entity formed as an elementary step in a multi-step chemical reaction
can these compounds be isolated and stored, e.g. low temperatures, matrix isolation. Instead, reactive intermediates are only observable through fast spectroscopic
Reaction_intermediate
Chemical compound
oxytrichloride as well as with chromyl chloride. The product was obtained by matrix isolation. It has also been reported relatively stable in a water-ethanol solution
Phosphine_oxide
Chemical bond effect
Kulkarni; S.R. Gadre (2002). "H-π Complexes of acetylene-ethylene: A matrix isolation and computational study". J. Phys. Chem. A. 106 (8): 1504. Bibcode:2002JPCA
Pi-interaction
Spin states of hydrogen
their excellent optical qualities. Parahydrogen is used as a host for matrix isolation studies: since hydrogen interacts weakly with other molecules, the
Spin_isomers_of_hydrogen
British chemist (born 1947)
(16): 1008. doi:10.1039/C29700001008. Poliakoff, Martyn (1973). The matrix isolation of large molecules. The photochemistry of transition metal carbonyls
Martyn_Poliakoff
Elements with atomic numbers 57-70
terbium, neodymium and dysprosium, the last two known only under matrix isolation conditions. All of the lanthanides form trihalides with fluorine, chlorine
Lanthanide
Chemical compound
stable, isomer, diisocyanogen (C=N−N=C), which has been captured via matrix isolation in solid argon at 12 K. As of 2022[update], it is not known to be present
Cyanogen
Chemical element with atomic number 77 (Ir)
Sr2MgIrO6 and Sr2CaIrO6. Iridium(VIII) oxide (IrO4) was generated under matrix isolation conditions at 6 K in argon. The highest oxidation state (+9), which
Iridium
Silicon analogue of a ketone
are extremely reactive and until 2013 were only detected by argon matrix isolation or in the gas phase but not isolated. A synthesis of a stable silanone
Silanone
Chemical compounds made of only carbon and oxygen
reactive that they exist only in gas phase or have only been detected by matrix isolation. Graphene oxide and other stable polymeric carbon oxides with unbounded
Oxocarbon
Chemical element with atomic number 59 (Pr)
generated by oxidation with ozone. Praseodymium(V) has been observed by matrix isolation (in 2016) and in the bulk state (in 2025). The existence of praseodymium
Praseodymium
American chemist (born 1933)
Baldeschwieler, John Dickson (1960). Structure of unstable compounds by matrix isolation techniques (Ph.D.). University of California, Berkeley. OCLC 29101714
John_D._Baldeschwieler
Algorithm for anomaly detection
Isolation forest is an unsupervised learning algorithm for anomaly detection that works on the principle of isolating anomalies, instead of the most common
Isolation_forest
Chemical element with atomic number 80 (Hg)
Bridgeman, A. J.; Young, N. A. (2008). "Mercury-fluorine interactions: a matrix isolation investigation of Hg⋯F2, HgF2 and HgF4 in argon matrices". Phys Chem
Mercury_(element)
Chemical compound
2007, when HgF4 was first prepared using solid neon and argon for matrix isolation at a temperature of 4 K. The compound was detected using infrared spectroscopy
Mercury(IV)_fluoride
Chemical process of joining two molecular entities by bonds of any kind
lifetime, but can be stabilized through special laboratory setups such as matrix-isolation. A prominent example is the carbon dioxide dimer, which is likely to
Dimerization
Group of low-reactive, gaseous chemical elements
HowStuffWorks. Retrieved 3 July 2008. Dunkin, I. R. (1980). "The matrix isolation technique and its application to organic chemistry". Chem. Soc. Rev
Noble_gas
Chemical compound
compound with the chemical formula (InH3). It has been observed in matrix isolation and laser ablation experiments. Gas phase stability has been predicted
Indium_trihydride
Nitrogen-based molecule
(2019). "Characterization of a Reactive Rh2 Nitrenoid by Crystalline Matrix Isolation". Journal of the American Chemical Society. 141 (41): 16232–16236.
Nitrene
Isolating sections of electrical systems
they are held in place within a matrix of transparent, insulating plastic or within an integrated circuit. Optical isolation is generally very limited in
Galvanic_isolation
Study of the carbon-krypton bond
these were made in matrix isolation and are stable up to 40 K. HKrCCF and HCCKrF have also been experimentally produced in matrix isolation. Dications generated
Organokrypton_chemistry
Chemical compound
thallane species has been isolated. Thallanes have been observed only in matrix isolation studies; the infrared spectrum was obtained in the gas phase by laser
Thallane
Inventor of the chemical laser (1922–1989)
science education and public service. He developed the technique of matrix isolation in low-temperature chemistry. He also developed time-resolved infrared
George_C._Pimentel
Chemical compound
LiO2. A radical compound, it can be produced at low temperature in matrix isolation experiments, or in certain nonpolar, non-protic solvents. Lithium superoxide
Lithium_superoxide
Index of chemical compounds with the same name
Helmut; Riedel, Sebastian (2016). "A combined quantum-chemical and matrix-isolation study on molecular manganese fluorides". Dalton Transactions. 45 (12):
Manganese_fluoride
Strategic planning tool
The Ansoff matrix is a strategic planning tool that provides a framework to help executives, senior managers, and marketers devise strategies for future
Ansoff_matrix
as a chloroform solution. In one study, isolation of a pyramidal alkene is not even possible by matrix isolation at extremely low temperatures unless stabilized
Pyramidal_alkene
Sr2MgIrO6 and Sr2CaIrO6. iridium(VIII) oxide (IrO4) was generated under matrix isolation conditions at 6 K in argon. The highest oxidation state (+9), which
Iridium_compounds
Chemical element with atomic number 26 (Fe)
chloride, Ferrocenium tetrafluoroborate 4 (d4) Fe(diars) 2Cl2+ 2, FeO(BF4)2 5 (d3) FeO3− 4 6 (d2) Potassium ferrate 7 (d1) [FeO4]– (matrix isolation, 4K)
Iron
Chemical compound
"Searching for Monomeric Nickel Tetrafluoride: Unravelling Infrared Matrix Isolation Spectra of Higher Nickel Fluorides". Angewandte Chemie. 133 (12): 6461–6464
Nickel_tetrafluoride
German chemist
nanodiamonds (diamondoids), green chemistry, organic electronics, matrix isolation of reactive intermediates such as carbenes, and computational chemistry
Peter_Schreiner_(chemist)
Cell isolation is the process of separating individual living cells from a solid block of tissue or cell suspension. While some types of cell naturally
Cell_isolation
observation of these reactive molecules are generally accomplished by matrix-isolation methods. The simplest non-Kekulé molecules are biradicals. A biradical
Non-Kekulé_molecule
One of six awards by the Wolf Foundation
chemical laser. George C. Pimentel United States for development of matrix isolation spectroscopy and for the discovery of photodissociation lasers and
Wolf_Prize_in_Chemistry
Chemical compound
A.; Gómez-Zavaglia, A.; Simões, P. N. N. L.; Fausto, R. (2005). "Matrix Isolation FTIR Spectroscopic and Theoretical Study of Dimethyl Sulfite" (PDF)
Dimethyl_sulfite
Chemical compound
diborane(2) experimentally, high-vacuum and low temperature conditions using matrix isolation techniques are required, such as trapping the molecule in inert matrices
Diborane(2)
Chemical compound
Mielke, Zofia (November 12, 2007). "Formaldoxime dimers: Infrared matrix isolation and theoretical study". Journal of Molecular Structure. 844–845: 242–249
Formaldoxime
Chemical compound
Tobias; Vent-Schmidt, Thomas; Riedel, Sebastian (26 November 2012). "A Matrix-Isolation and Quantum-Chemical Investigation of FeF 4". Angewandte Chemie International
Iron_tetrafluoride
Chemical element with atomic number 112 (Cn)
even +6 oxidation states in CnF4 and CnF6; the latter may require matrix-isolation conditions to be detected, as in the disputed detection of HgF4. CnF4
Copernicium
Ionization technique
spectrometry, matrix-assisted laser desorption/ionization (MALDI) is an ionization technique that uses a laser energy-absorbing matrix to create ions
Matrix-assisted laser desorption/ionization
Matrix-assisted_laser_desorption/ionization
Chemical compound
S2CID 250826036. Hanson, James Edward (21 June 2007). I. Matrix Isolation of 1,1-Diazenes. II. Distance, Temperature, and Dynamic Solvent Effects
Isodiazene
Simplest diazo compound and methylating agent
(isodiazomethane). In addition, the parent nitrilimine has been observed under matrix isolation conditions. ICSC 1256 – DIAZOMETHANE NIOSH Pocket Guide to Chemical
Diazomethane
Compounds with similar properties to polyatomic halogens
Eckwert, Jürgen; Sierakowski, Claudia; Stumpf, Thomas (September 1992). "Matrix Isolation of Diisocyanogen CNNC". Angewandte Chemie International Edition. 31
Pseudohalogen
Type of compound having a metal center
dimerize immediately at room temperature and they have been observed in matrix isolation. Triple-decker complexes are composed of three Cp anions and two metal
Metallocene
Chemical compound
decomposition of hexahaloethanes and their silicon and germanium analogs using matrix isolation, Seriya Khimicheskaya Iyer, RM; Willard, JE, (1967) Production and
Hexabromoethane
Chemical compound
photochemical synthesis of octacene and nonacene, utilizing a cryogenic matrix-isolation technique to stabilize these highly reactive acenes. This approach
Nonacene
Group of chemical compounds
diazabiphenylene was detected. In 1988 Nam and Leroy reported the matrix isolation (13K, Ar) of 3,4-pyridyne by photolysis of 3,4-pyridinedicarboxylic
Pyridyne
Chemical compound
photochemical synthesis of octacene and nonacene, utilizing a cryogenic matrix-isolation technique to stabilize these highly reactive acenes. This approach
Octacene
Molecule with formula OPN
triple bond (nitride) between P and N. It can be obtained in argon matrix isolation at 16 K by laser photolysis of phosphoryl triazide, OP(N3)3. OPN and
Phosphoryl_nitride
British chemist
graduation, he continued to read for his Doctor of Philosophy degree on Matrix isolation infra-red and mass spectrometric studies of some arsenic and selenium
Alan_Brisdon
Chemical compound
An IR Spectroscopic Study Using 13C Photolysis with Plane-Polarized Light, and Matrix Isolation". Inorg. Chem. 25 (20): 3597. doi:10.1021/ic00240a014.
Diiron_nonacarbonyl
Chemical compound
successfully identified in the gas phase (that is, not limited to matrix isolation). The average Zn–H bond energy was recently calculated to be 51.24
Zinc_hydride
Chemical compound
between an atomic boron atom and ethylene, was first identified using matrix isolation spectroscopy by Lanzisera et al. in 1997, and later confirmed with
Borirene
Solid form of the 7th element
George C. (1956). "Spectroscopic Studies of Reactive Molecules by the Matrix Isolation Method". The Journal of Chemical Physics. 25 (2): 224. Bibcode:1956JChPh
Solid_nitrogen
German chemist and university teacher
studies of boron compounds. In 1981, he finished his habilitation on matrix isolation of reactive silicon oxides. He was the Professor in Münster and at
Hansgeorg_Schnöckel
Chemical compounds with at least one neodymium atom
obtained in the Nd-NdX3 eutectic system. NdF4 is known only under matrix isolation conditions. The related M3[NdF7] (M = K, Rb, Cs) are very unstable
Neodymium_compounds
Professor of Electrical Engineering
technique called Matrix Isolation Spectroscopy. At Rice University Kafafi was friends with one of the pioneers of Matrix Isolation Marilyn E. Jacox.
Zakya_Kafafi
Class of chemical compounds
PMID 18193854. Manceron, L; Alikhani, M.E; Joly, H.A (March 1998). "Infrared matrix isolation and DFT study of NiN2". Chemical Physics. 228 (1–3): 73–80. Bibcode:1998CP
Neon_compounds
Category of computational quantum chemistry technique
are present. Experimental work on these molecules is not easy, but matrix isolation spectroscopy of the products of the reaction of hydrogen atoms and
Ab initio quantum chemistry methods
Ab_initio_quantum_chemistry_methods
Chemical compounds containing a –B=O group
with derivatives FBO, ClBO, BrBO, HOBO and MeBO have been detected in matrix isolation or in the gaseous phase at high temperature. In these compounds the
Oxoborane
Family of zinc-dependent metalloendopeptidases
Matrix metalloproteinases (MMPs), also known as matrix metallopeptidases or matrixins, are metalloproteinases that are calcium-dependent zinc-containing
Matrix_metalloproteinase
Chemical compound
"Thiouracils. 2. Tautomerism and infrared spectra of thiouracils. Matrix-isolation and ab initio studies". Journal of the American Chemical Society. 112
2-Thiouracil
Class of chemical compounds
in air, and dimerises upon isolation. Heptacene (and larger acenes) is very reactive and has only been isolated in a matrix. However, bis(trialkylsilylethynylated)
Acene
Chemical element with atomic number 108 (Hs)
in the iridium tetroxide cation IrO+ 4, the former is known only in matrix isolation and the latter in the gas phase, and no iridium compounds in such high
Hassium
Chemical compound
(16 December 2002). "Chlorine Oxide Radicals ClOx (x=1–4) Studied by Matrix Isolation Spectroscopy". Chemistry: A European Journal. 8 (24): 5601–5621. doi:10
Chlorine_tetroxide
Chemical compound
2 HgH → Hg 2H 2 Hg 2H 2 → 2 Hg + H 2 This is the preferred method for matrix isolation research. Besides mercury(II) hydride, it also produces other mercury
Mercury(II)_hydride
a black solid. Lithium superoxide (LiO2) has only been isolated in matrix isolation at 15 K. Sodium superoxide (NaO2) is a yellow-orange solid that melts
List_of_alkali_metal_oxides
Algorithms for matrix decomposition
Non-negative matrix factorization (NMF or NNMF), also non-negative matrix approximation is a group of algorithms in multivariate analysis and linear algebra
Non-negative matrix factorization
Non-negative_matrix_factorization
Type of feedforward neural network
field Hidden Markov Anomaly detection RANSAC k-NN Local outlier factor Isolation forest Neural networks Autoencoder Deep learning Feedforward neural network
Multilayer_perceptron
Chemical compounds
Early Lanthanide Metal Atoms (Nd, Sm, Eu) with Water Molecules. A Matrix Isolation Infrared Spectroscopic and Theoretical Study". The Journal of Physical
Europium_compounds
Chemical compound
transiently present under standard conditions, it may be captured via matrix isolation in solid argon at 14 K. While the ground state of propadienone is planar
Propadienone
British academic (died 1977)
matrix isolation spectroscopy. He died unexpectedly on 14 May 1977. Vibrational spectroscopy of trapped species; infrared and Raman studies of matrix-isolated
Harry_Hallam_(academic)
the chemical laser; Wolf Prize (Chemistry, 1982) "for development of matrix isolation spectroscopy and for the discovery of photodissociation lasers and
List of University of California, Berkeley faculty
List_of_University_of_California,_Berkeley_faculty
Ability of a computer keyboard to correctly handle several simultaneous keystrokes
with the speed of human speech. Most music keyboards use isolation diodes in their keyboard matrix to implement full n-key rollover, making them immune to
Key_rollover
Chemical compound
Dolphus E.; Guillory, William A.; Smith, Jerry J. (August 1974). "Matrix-isolation study of the vacuum-ultraviolet photolysis of NF3". Journal of Molecular
Nitrogen_difluoride
Chemical compounds containing iron
iron(III) compounds in the air. Category:Iron compounds Cobalt compounds matrix isolation, 4K Greenwood and Earnshaw, p. 905 Greenwood and Earnshaw, p. 1070
Iron_compounds
Chemical compound
reflecting the electron density contour plots. Monomeric PN in a krypton matrix at 10 K (−263.1 °C) gives rise to a single IR band at 1323 cm−1. Auer and
Phosphorus_mononitride
British chemist and inventor (1778–1829)
Discovery of potassium Isolation of barium Isolation of boron Isolation of calcium Isolation of magnesium Isolation of sodium Isolation of strontium Nitrous
Humphry_Davy
Compound with a magnesium to magnesium bond
theoretical studies to gain more information regarding the complex. Matrix isolation techniques were carried out for gaining spectroscopic insight on how
Magnesium(I)_dimer
Chemical compounds containing a lanthanide element
(2016). "Extending the Row of Lanthanide Tetrafluorides: A Combined Matrix-Isolation and Quantum-Chemical Study". Chemistry: A European Journal. 22 (7):
Lanthanide_compounds
confirmed Karl Rebane hypothesis in 1971. Later studies showed that matrix isolation fluorimetry has significant practical advantages over original Shpolsky
Eduard_Shpolsky
Disconnection in social relationships
of integration or common values and (2) a high degree of distance or isolation (3a) between individuals, or (3b) between an individual and a group of
Social_alienation
Combination of chemistry and nanoscience
decades of research on this subject. This research includes the study of matrix isolation laser Raman spectroscopy, naked metal clusters chemistry and photochemistry
Nanochemistry
English chemist (born 1962)
complexes for the purposes of methane activation using a combination of matrix isolation, flash photolysis and solution photochemistry. Haddleton was an ICI
David_Haddleton
Class of extreme chemical compounds
S2CID 122589619. Khmelenko, V. V.; Lee, D. M.; Vasiliev, S. (3 December 2010). "Matrix Isolation of H Atoms at Low Temperatures". Journal of Low Temperature Physics
Helium_compounds
Any chemical compound having at least one nickel atom
"Searching for Monomeric Nickel Tetrafluoride: Unravelling Infrared Matrix Isolation Spectra of Higher Nickel Fluorides". Angewandte Chemie International
Nickel_compounds
Surname list
E. Jacox (c. 1929–2013), American physicist known for her work in matrix isolation spectroscopy Martin Jacox (1938–1998), American singer, member of the
Jacox
Type of convolutional neural network
field Hidden Markov Anomaly detection RANSAC k-NN Local outlier factor Isolation forest Neural networks Autoencoder Deep learning Feedforward neural network
U-Net
British chemistry professor (born 1974)
2013 he reported the isolation of a terminal uranium(VI) nitride akin to examples previously restricted to cryogenic matrix isolation experiments , and that
Stephen_Liddle
Biology term
The peritrophic matrix (from the prefix peri-, meaning around, and -trophic, referring to nutrition(food)) or peritrophic membrane is a semi-permeable
Peritrophic_matrix
Class of organotin(II) compounds
Hartwig; Minkwitz, Rolf; Watta, Barbel; Neumann, Wilhelm P. (1982). "Matrix Isolation and IR Spectroscopy of Stannylenes (CH3)2Sn and (CD3)2Sn". Tetrahedron
Stannylene
Chemical compound
Stability, and Photochemistry of Pentacene, Hexacene, and Heptacene: A Matrix Isolation Study". Journal of the American Chemical Society. 131 (40): 14281–14289
Heptacene
Chemical compound
Bertie, J. E.; Gunning, H. E.; Strausz, O. P. (1978). "Low-Temperature Matrix Isolation of Thiirenes". The Journal of Organic Chemistry. 43 (12): 2490–2493
Thiirene
MATRIX ISOLATION
MATRIX ISOLATION
Male
English
 English form of Roman Latin Martinus, MARTIN means "of/like Mars." Compare with another form of Martin.
Girl/Female
Biblical
Rain, prison.
Girl/Female
Arabic, Australian, Basque, French, Latin
Lady; Feminine of Martin; Warlike
Male
English
Pet form of English Matthew, MATTIE means "gift of God." Compare with feminine Mattie.
Male
French
French and German form of Greek Mattathias, MATHIS means "gift of God."
Surname or Lastname
English (of Welsh origin)
English (of Welsh origin) : variant of Maddox.
Female
Finnish
Finnish form of Greek Maria, MAARIA means "obstinacy, rebelliousness" or "their rebellion."Â
Female
Finnish
Finnish form of Greek Margarites, MAARIT means "pearl."
Female
English
French form of Latin Maria, MARIE means "obstinacy, rebelliousness" or "their rebellion."
Female
Finnish
Pet form of Finnish Katariina, KATRI means "pure."
Girl/Female
Maori
The Maori form of April.
Female
Welsh
Welsh form of Old French Caterine, CATRIN means "pure."
Male
Hungarian
Czech and Hungarian form of Greek Patrikios, PATRIK means "patrician, of noble descent."
Male
English
Pet form of English Martin, MARTIE means "of/like Mars."
Female
English
Pet form of English Matilda, MATTIE means "mighty in battle." Compare with masculine Mattie.
Female
English
English form of Latin Viatrix, BEATRIX means "voyager (through life)."
Male
English
Anglicized form of Irish Gaelic MainchÃn, MANNIX means "little monk."
Male
French
 French form of Roman Latin Martinus, MARTIN means "of/like Mars." Compare with another form of Martin.
Male
Italian
Italian form of Hebrew Mattithyah, MATTIA means "gift of God."
Female
German
Pet form of German Katarine, KATRIN means "pure."
MATRIX ISOLATION
MATRIX ISOLATION
Girl/Female
Latin
A nymph.
Boy/Male
English
Royal valley. Surname referring to Kent in England.
Boy/Male
Arabic, Urdu
Tongue
Girl/Female
Arabic, Muslim
Deserving of Gods Reward; Name of a Women Companion of the Prophet
Boy/Male
Hindu, Indian, Tamil, Traditional
Muthu; Chief; Cute; Loveable
Boy/Male
American, British, English
Hiding Place
Boy/Male
Tamil
Sudarshan | ஸà¯à®¤à®°à¯à®·à®¨
Lord Perumal, Good looking, Lion, Vishnus weapon
Boy/Male
Bengali, Indian, Marathi
Good Citizen
Girl/Female
Hindu
Great art
Girl/Female
Arabic, Muslim
Bright Moonlight
MATRIX ISOLATION
MATRIX ISOLATION
MATRIX ISOLATION
MATRIX ISOLATION
MATRIX ISOLATION
n.
The martin.
n.
A housekeeper; esp., a woman who manages the domestic economy of a public instution; a head nurse in a hospital; as, the matron of a school or hospital.
n.
The earthy or stony substance in which metallic ores or crystallized minerals are found; the gangue.
a.
Of or pertaining to the meter as a standard of measurement; of or pertaining to the decimal system of measurement of which a meter is the unit; as, the metric system; a metric measurement.
n.
See Matrix.
a.
Of or pertaining to the Maoris or to their language.
pl.
of Maori
n.
A mold; a matrix.
n.
The cavity in which anything is formed, and which gives it shape; a die; a mold, as for the face of a type.
n.
The five simple colors, black, white, blue, red, and yellow, of which all the rest are composed.
n.
A genus of swallows including the purple martin. See Martin.
n.
The lifeless portion of tissue, either animal or vegetable, situated between the cells; the intercellular substance.
pl.
of Matrix
n.
Hence, that which gives form or origin to anything
v. i.
The mineral substance which incloses a vein; a matrix; a gangue.
n.
In type founding and forging, an impression or matrix, formed by a punch drift.
n.
The womb.
n.
A rectangular arrangement of symbols in rows and columns. The symbols may express quantities or operations.
v. t.
The white fibrous matter forming the matrix from which fungi.