Hilkka I. Kenttämaa
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Finnish born chemist, professor of analytical chemistry and organic chemistry
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Hilkka I. Kenttämaachemistry Degrees
Chemistry
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Analytical Chemistry
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Organic Chemistry
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Chemistry
Hilkka I. Kenttämaa's Degrees
- PhD Chemistry University of Helsinki
Why Is Hilkka I. Kenttämaa Influential?
(Suggest an Edit or Addition)According to Wikipedia, Hilkka Inkeri Kenttämaa is a researcher in organic and bioorganic mass spectrometry, and the Frank Brown Endowed Distinguished Professor of Chemistry at Purdue University. She is a pioneer in distonic radical cation research and laser-induced acoustic desorption.
Hilkka I. Kenttämaa's Published Works
Number of citations in a given year to any of this author's works
Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author
Published Works
- A synergistic biorefinery based on catalytic conversion of lignin prior to cellulose starting from lignocellulosic biomass (2015) (278)
- Cleavage and hydrodeoxygenation (HDO) of C–O bonds relevant to lignin conversion using Pd/Zn synergistic catalysis (2013) (256)
- Internal energy distributions of isolated ions after activation by various methods (1987) (192)
- Ion-molecule reactions of distonic radical cations (1992) (190)
- Total Utilization of Miscanthus Biomass, Lignin and Carbohydrates, Using Earth Abundant Nickel Catalyst (2016) (146)
- Analysis of Asphaltenes and Asphaltene Model Compounds by Laser-Induced Acoustic Desorption/Fourier Transform Ion Cyclotron Resonance Mass Spectrometry (2009) (109)
- Internal energy distributions acquired through collisional activation at low and high energies (1985) (105)
- Molecular Structures of Asphaltenes Based on the Dissociation Reactions of Their Ions in Mass Spectrometry (2010) (105)
- High-performance liquid chromatography/high-resolution multiple stage tandem mass spectrometry using negative-ion-mode hydroxide-doped electrospray ionization for the characterization of lignin degradation products. (2012) (88)
- Maleic acid and aluminum chloride catalyzed conversion of glucose to 5-(hydroxymethyl) furfural and levulinic acid in aqueous media (2016) (81)
- Energy deposition in [Fe(CO)5]+˙ upon collision with a metal surface (1986) (76)
- Mechanistic investigation of the Zn/Pd/C catalyzed cleavage and hydrodeoxygenation of lignin (2016) (75)
- Characterization of organosolv switchgrass lignin by using high performance liquid chromatography/high resolution tandem mass spectrometry using hydroxide-doped negative-ion mode electrospray ionization (2014) (69)
- An Experimental and Computational Study of the Gas-Phase Structures of Five-Carbon Monosaccharides (2002) (69)
- Tautomer characterization by energy resolved mass spectrometry. Dimethyl phosphite and dimethyl phosphonate ions (1985) (65)
- Recent Advances in Petroleum Analysis by Mass Spectrometry. (2018) (64)
- Mechanism of MTO-Catalyzed Deoxydehydration of Diols to Alkenes Using Sacrificial Alcohols (2013) (60)
- From furfural to fuel: synthesis of furoins by organocatalysis and their hydrodeoxygenation by cascade catalysis. (2014) (56)
- Comparison of the Structures of Molecules in Coal and Petroleum Asphaltenes by Using Mass Spectrometry (2013) (56)
- Identification of the carboxylic acid functionality by using electrospray ionization and ion-molecule reactions in a modified linear quadrupole ion trap mass spectrometer. (2008) (54)
- Laser-induced acoustic desorption/fourier transform ion cyclotron resonance mass spectrometry for petroleum distillate analysis. (2005) (52)
- Characterization of model compounds of processed lignin and the lignome by using atmospheric pressure ionization tandem mass spectrometry (2012) (50)
- Charged Phenyl Radicals (1996) (49)
- Laser-induced acoustic desorption/chemical ionization in Fourier-transform ion cyclotron resonance mass spectrometry (2000) (48)
- Long‐lived distonic radical cations (1994) (48)
- Energy-resolved collisional activation of dimethyl phosphonate and dimethyl phosphite ions in a quadrupole ion trap and a triple quadrupole mass spectrometer (1988) (46)
- Renewable thermoset polymers based on lignin and carbohydrate derived monomers (2018) (45)
- Analysis of saturated hydrocarbons by using chemical ionization combined with laser-induced acoustic desorption/Fourier transform ion cyclotron resonance mass spectrometry. (2004) (43)
- Polar Effects Control Hydrogen-Abstraction Reactions of Charged, Substituted Phenyl Radicals (2001) (41)
- Properties and reactivity of gaseous distonic radical ions with aryl radical sites. (2013) (40)
- On-line mass spectrometric methods for the determination of the primary products of fast pyrolysis of carbohydrates and for their gas-phase manipulation. (2013) (40)
- Long-lived radical cations of simple organophosphates isomerize spontaneously to distonic structures in the gas phase (1992) (40)
- Jet fuel density via GC × GC-FID (2019) (38)
- The Site of Protonation of Aniline (1995) (38)
- Isolation and characterization of charge-tagged phenylperoxyl radicals in the gas phase: direct evidence for products and pathways in low temperature benzene oxidation. (2012) (38)
- Characterization of Asphaltene Deposits by Using Mass Spectrometry and Raman Spectroscopy (2016) (38)
- Fast pyrolysis of 13C-labeled cellobioses: gaining insights into the mechanisms of fast pyrolysis of carbohydrates. (2015) (37)
- Correlation of hydrogen-atom abstraction reaction efficiencies for aryl radicals with their vertical electron affinities and the vertical ionization energies of the hydrogen-atom donors. (2008) (37)
- Comparison of Atmospheric Pressure Chemical Ionization and Field Ionization Mass Spectrometry for the Analysis of Large Saturated Hydrocarbons. (2016) (36)
- Elucidation of structural information achievable for asphaltenes via collision-activated dissociation of their molecular ions in MSn experiments: A model compound study (2014) (35)
- Tandem mass spectrometric evaluation of core structures of aromatic compounds after catalytic deoxygenation (2018) (35)
- Structural Comparison of Asphaltenes of Different Origins Using Multi-stage Tandem Mass Spectrometry (2015) (34)
- Analysis of base oil fractions by ClMn(H2O)+ chemical ionization combined with laser-induced acoustic desorption/fourier transform ion cyclotron resonance mass spectrometry. (2008) (34)
- Speciation and kinetic study of iron promoted sugar conversion to 5-hydroxymethylfurfural (HMF) and levulinic acid (LA) (2015) (34)
- Fluorine Substitution Enhances the Reactivity of Substituted Phenyl Radicals toward Organic Hydrogen Atom Donors (1996) (34)
- REACTIVITY OF A SUBSTITUTED M-BENZYNE BIRADICAL (1999) (34)
- Characterization of laser-induced acoustic desorption coupled with a Fourier transform ion cyclotron resonance mass spectrometer. (2006) (34)
- Effective ion temperatures in a quadrupole ion trap (1990) (34)
- Analysis of Catalytic Hydrothermal Conversion Jet Fuel and Surrogate Mixture Formulation: Components, Properties, and Combustion (2017) (33)
- Theoretical Estimations of the 298 K Gas-Phase Acidities of the Purine-Based Nucleobases Adenine and Guanine (2004) (33)
- Ion-molecule reactions for mass spectrometric identification of functional groups in protonated oxygen-containing monofunctional compounds. (2004) (32)
- THE LONG-LIVED RADICAL CATIONS OF SIMPLE CARBON ESTERS ISOMERIZE TO THE LOWEST-ENERGY STRUCTURE (1994) (32)
- Ion-molecule reactions for the characterization of polyols and polyol mixtures by ESI/FT-ICR mass spectrometry. (2005) (32)
- HPLC/APCI Mass Spectrometry of Saturated and Unsaturated Hydrocarbons by Using Hydrocarbon Solvents as the APCI Reagent and HPLC Mobile Phase (2012) (32)
- Laser-Induced Acoustic Desorption/Atmospheric Pressure Chemical Ionization Mass Spectrometry (2011) (31)
- Reactivity of the 3,4,5-tridehydropyridinium cation--an aromatic sigma,sigma,sigma-triradical. (2008) (31)
- Charge-Site Effects on the Radical Reactivity of Distonic Ions† (2002) (31)
- Laser-Induced Acoustic Desorption Mass Spectrometry (2012) (30)
- Experimental study of the potential energy surface of the protonated cyclohexene oxide/cyclohexanone system. Isomerization, dissociation, and ion-molecule reactions of the isolated ions in the gas phase (1989) (30)
- Low-energy collisional activation of polyatomic ions with different target gases (1989) (30)
- Analysis of polyethylene by using cyclopentadienyl cobalt chemical ionization combined with laser-induced acoustic desorption/fourier transform ion cyclotron resonance mass spectrometry. (2005) (30)
- Carbon disulfide reagent allows the characterization of nonpolar analytes by atmospheric pressure chemical ionization mass spectrometry. (2011) (30)
- Polarity of the transition state controls the reactivity of related charged phenyl radicals toward atom and group donors. (2001) (29)
- Reactivity of the 3,4,5-Tridehydropyridinium Cation—An Aromatic σ,σ,σ-Triradical† (2008) (29)
- Mass spectrometric methods in structural analysis of some vesicants (1983) (29)
- Reactivity of substituted charged phenyl radicals toward components of nucleic acids. (2003) (28)
- Functional group selective ion/molecule reactions: mass spectrometric identification of the amido functionality in protonated monofunctional compounds. (2007) (28)
- Characterization and semiquantitative estimation of organophosphorus compounds based on inhibition of cholinesterases (1989) (27)
- Analysis of natural products by tandem mass spectrometry employing reactive collisions with ethyl vinyl ether (1988) (27)
- Radical type reactivity in a .gamma.-distonic radical cation: a gas-phase experimental study (1991) (26)
- Stereoselective Chemical Ionization Mass Spectrometry: Reactions of CH3OPOCH3+ with Cyclic Vicinal Diols (1997) (26)
- N-terminal derivatization and fragmentation of neutral peptides via ion--molecule reactions with acylium ions: toward gas-phase Edman degradation? (2001) (26)
- meta-Benzyne Reacts as an Electrophile (2000) (26)
- Dicoordinated boron cations dehydrate organic ethers in the gas phase (1992) (26)
- Pulsed gas introduction into quadrupole ion traps (1990) (26)
- UV-induced effects on chlorination of creatinine. (2013) (25)
- Dehydration Pathways for Glucose and Cellobiose During Fast Pyrolysis. (2018) (25)
- Design and characterization of a high-power laser-induced acoustic desorption probe coupled with a fourier transform ion cyclotron resonance mass spectrometer. (2007) (25)
- Regioselective ion-molecule reactions for the mass spectrometric differentiation of protonated isomeric aromatic diamines. (2008) (25)
- Experimental investigations of the internal energy of molecules evaporated via laser-induced acoustic desorption into a Fourier transform ion cyclotron resonance mass spectrometer. (2007) (25)
- Speciation of CuCl and CuCl2 Thiol-Amine Solutions and Characterization of Resulting Films: Implications for Semiconductor Device Fabrication. (2017) (24)
- Gas-phase reactions of ClMn(H2O)+ with polar and nonpolar hydrocarbons in a mass spectrometer. (2007) (24)
- Differentiation of stereoisomeric diols by using CH3OB+OCH3 in a small Fourier transform ion cyclotron resonance mass spectrometer (1995) (24)
- Identification of Epoxide Functionalities in Protonated Monofunctional Analytes by Using Ion/Molecule Reactions and Collision-Activated Dissociation in Different Ion Trap Tandem Mass Spectrometers (2011) (23)
- A Mimivirus Enzyme that Participates in Viral Entry. (2015) (23)
- Simple method for ion isolation in Fourier transform ion cyclotron resonance mass spectrometry: combined notch excitation and selective ion partitioning in a dual cell (1991) (23)
- Separation of Asphaltenes by Reversed-Phase Liquid Chromatography with Fraction Characterization (2012) (23)
- Identification of aliphatic and aromatic tertiary N-oxide functionalities in protonated analytes via ion/molecule and dissociation reactions in an FT-ICR mass spectrometer. (2009) (23)
- Theoretical Estimations of the 298 K Gas-Phase Acidities of the Pyrimidine-Based Nucleobases Uracil, Thymine, and Cytosine (2004) (23)
- Characterization of Two Chloro-Substituted m-Benzyne Isomers: Effect of Substitution on Reaction Efficiencies and Products (2003) (22)
- Scanning a triple quadrupole mass spectrometer for doubly charged ions (1983) (22)
- Chemical properties of a para-benzyne. (2002) (22)
- Gas-phase reactivity of protonated 2-, 3-, and 4-dehydropyridine radicals toward organic reagents. (2009) (22)
- Radical-type reactivity of the methylenedimethylsulfonium ion, (CH3)2S+CH2˙ (1993) (22)
- Comparison of Functional Group Selective Ion–Molecule Reactions of Trimethyl Borate in Different Ion Trap Mass Spectrometers (2011) (22)
- Investigation of the relative abundances of single-core and multicore compounds in asphaltenes by using high-resolution in-source collision-activated dissociation and medium-energy collision-activated dissociation mass spectrometry with statistical considerations (2019) (22)
- Analysis of carbohydrates by atmospheric pressure chloride anion attachment tandem mass spectrometry (2013) (20)
- Characterization of Nonpolar Lipids and Selected Steroids by Using Laser-Induced Acoustic Desorption/Chemical Ionization, Atmospheric Pressure Chemical Ionization, and Electrospray Ionization Mass Spectrometry. (2011) (20)
- Synthesis and Characterization of Aromatic Biradicals in the Gas Phase: A meta-Benzyne with an Inert Positively Charged Substituent and Its ortho- and para-Isomers (1997) (20)
- Analysis of xyloglucans by ambient chloride attachment ionization tandem mass spectrometry. (2013) (20)
- Identification of N-Oxide and Sulfoxide Functionalities in Protonated Drug Metabolites by Using Ion-Molecule Reactions Followed by Collisionally Activated Dissociation in a Linear Quadrupole Ion Trap Mass Spectrometer. (2016) (20)
- Identification of the aromatic tertiary N-oxide functionality in protonated analytes via ion/molecule reactions in mass spectrometers. (2008) (20)
- Phenyl radicals react with dinucleoside phosphates by addition to purine bases and H-atom abstraction from a sugar moiety. (2005) (20)
- Polar Effects on Iodine Atom Abstraction by Charged Phenyl Radicals (2000) (19)
- Reactions of charged phenyl radicals with aliphatic amino acids in the gas phase. (2005) (19)
- Energetics of activation of tetracarbonylferrate(1-) and pentacarbonylchromate(1-) in gaseous collisions (1988) (19)
- Demonstration of tunable reactivity for meta-benzynes. (2005) (18)
- (-)ESI/CAD MSn Procedure for Sequencing Lignin Oligomers Based on a Study of Synthetic Model Compounds with β-O-4 and 5-5 Linkages. (2017) (18)
- Information on the location of carbon-carbon double bonds in C6−C23 linear alkenes from carbon addition reactions in a quadrupole ion trap equipped with a pulsed sample-inlet system (1991) (18)
- Compound screening for the presence of the primary N-oxide functionality via ion-molecule reactions in a mass spectrometer. (2005) (18)
- Reactivity of an aromatic sigma,sigma,sigma-triradical: the 2,4,6-tridehydropyridinium cation. (2007) (18)
- Laser desorption in transmission geometry inside a Fourier-transform ion cyclotron resonance mass spectrometer (1999) (18)
- A remarkably stable organic radical cation : the distonic isomer of the unstable radical cation of dimethyl propyl phosphate (1992) (18)
- Reactivity of an Aromatic σ,σ,σ‐Triradical: The 2,4,6‐Tridehydropyridinium Cation (2007) (17)
- Identification of the sulfone functionality in protonated analytes via ion/molecule reactions in a linear quadrupole ion trap mass spectrometer. (2014) (17)
- The 4-Dehydroanilinium Ion: a Stable Distonic Isomer of Ionized Aniline (1994) (17)
- Bimolecular reactions involving the radical site of the distonic ion ·CH2CH2CH2CO+ (1993) (17)
- Identification and counting of oxygen functionalities in aromatic analytes related to lignin by using negative-mode electrospray ionization and multiple collision-activated dissociation steps (2011) (16)
- Effects of stepwise excitation on fragmentation of gas phase ions: An especially striking case (1985) (16)
- Reactivity and selectivity of charged phenyl radicals toward amino acids in a Fourier transform ion cyclotron resonance mass spectrometer. (2011) (16)
- Heat of formation of the radical cation of dimethyl disulfide (1994) (16)
- Phenyl radical-induced damage to dipeptides. (2009) (16)
- Gas-phase reactions of the 4-dehydroanilinium ion and its isomers (1995) (16)
- Differentiating Isomeric Deprotonated Glucuronide Drug Metabolites via Ion/Molecule Reactions in Tandem Mass Spectrometry. (2018) (16)
- Gas-phase reactions of charged phenyl radicals with neutral biomolecules evaporated by laser-induced acoustic desorption (2002) (15)
- Homolytic Se−H Bond Energy and Ionization Energy of Benzeneselenol and the Acidity of the Corresponding Radical Cation (1996) (15)
- Development of a high-throughput laser-induced acoustic desorption probe and raster sampling for laser-induced acoustic desorption/atmospheric pressure chemical ionization. (2013) (15)
- Characterization of aromatic organosulfur model compounds relevant to fossil fuels by using atmospheric pressure chemical ionization with CS2 and high-resolution tandem mass spectrometry. (2016) (15)
- Multiported pulsed valve interface for a linear quadrupole ion trap mass spectrometer to enable rapid screening of multiple functional-group selective ion-molecule reactions. (2014) (15)
- Differentiation of Regioisomeric Aromatic Ketocarboxylic Acids by Positive Mode Atmospheric Pressure Chemical Ionization Collision-Activated Dissociation Tandem Mass Spectrometry in a Linear Quadrupole Ion Trap Mass Spectrometer (2011) (15)
- On the factors that control the reactivity of meta-benzynes (2014) (15)
- An experimental and theoretical study of ionized hydroxyacetone: a stable, hydrogen-bridged radical cation (1993) (14)
- The selectivity of charged phenyl radicals in hydrogen atom abstraction reactions with isopropanol. (2008) (14)
- Identification and counting of carbonyl and hydroxyl functionalities in protonated bifunctional analytes by using solution derivatization prior to mass spectrometric analysis via ion-molecule reactions (2010) (14)
- Intrinsic acidity and redox properties of the adenine radical cation 1 1 Dedicated to the memory of (1999) (14)
- Synthesis of charged phenyl radicals and biradicals by laser photolysis in a Fourier-transform ion cyclotron resonance mass spectrometer (1998) (14)
- Identification of Protonated Sulfone and Aromatic Carboxylic Acid Functionalities in Organic Molecules by Using Ion-Molecule Reactions Followed by Collisionally Activated Dissociation in a Linear Quadrupole Ion Trap Mass Spectrometer. (2017) (14)
- DISUBSTITUTED BORON CATIONS CLEAVE CARBONYL BONDS (1997) (14)
- Characterization of a small FTICR mass spectrometer based on a permanent magnet (1993) (14)
- Hydrogen atom abstraction reactions of charged polyaromatic sigma-radicals related to the active intermediates of the enediyne antitumor drugs. (2002) (13)
- Ion-molecule reactions for the differentiation of primary, secondary and tertiary hydroxyl functionalities in protonated analytes in a tandem mass spectrometer. (2012) (13)
- Reactions of an aromatic σ,σ-biradical with amino acids and dipeptides in the gas phase (2010) (13)
- Mass spectrometric identification of the N-monosubstituted N-hydroxylamino functionality in protonated analytes via ion/molecule reactions in tandem mass spectrometry. (2015) (13)
- Diastereoselectivity in Gas-Phase Hydride Reduction Reactions of Ketones (1999) (13)
- Direct comparison of solution and gas-phase reactions of the three distonic isomers of the pyridine radical cation with methanol. (2012) (13)
- Determination of 3,3′-Dichlorobenzidine and its degradation products in environmental samples with a small low-field Fourier transform ion cyclotron resonance mass spectrometer (1999) (13)
- Ion–molecule reactions facilitate the identification and differentiation of primary, secondary and tertiary amino functionalities in protonated monofunctional analytes in mass spectrometry (2009) (13)
- Mechanistic study of stereoselective gas-phase reactions of phosphenium ions with cis- and trans-1,2-diaminocyclohexanes. (2002) (13)
- Liquid chromatography/tandem mass spectrometry utilizing ion-molecule reactions and collision-activated dissociation for the identification of N-oxide drug metabolites. (2010) (13)
- A Fundamental Tandem Mass Spectrometry Study of the Collision-Activated Dissociation of Small Deprotonated Molecules Related to Lignin. (2016) (13)
- Radical reactions of didehydroarenes with a 1,4-relationship. (2003) (13)
- Gas-phase reactivity of charged π-type biradicals (2004) (12)
- A differentially pumped dual linear quadrupole ion trap (DLQIT) mass spectrometer: a mass spectrometer capable of MS(n) experiments free from interfering reactions. (2013) (12)
- A Fourier-transform ion cyclotron resonance study of the 3,5-didehydrophenyl cation (2001) (12)
- Multiple-stage mass spectrometry in structural characterization of organophosphorus compounds (1993) (12)
- Tandem mass spectrometric characterization of the conversion of xylose to furfural (2015) (12)
- Laser-induced acoustic desorption coupled with a linear quadrupole ion trap mass spectrometer. (2010) (12)
- Differentiation of Deprotonated Acyl, N- and O-Glucuronide Drug Metabolites by Using Tandem Mass Spectrometry Based on Gas-Phase Ion-Molecule Reactions Followed by Collision-Activated Dissociation. (2019) (12)
- Exploring the Reaction Mechanisms of Fast Pyrolysis of Xylan Model Compounds via Tandem Mass Spectrometry and Quantum Chemical Calculations. (2019) (12)
- Reactivity of Cl–P+–Cl toward cyclic organic ethers (1999) (11)
- An Automated Method for Chemical Composition Analysis of Lubricant Base Oils by Using Atmospheric Pressure Chemical Ionization Mass Spectrometry (2019) (11)
- Reactivity of aromatic σ,σ-biradicals toward riboses (2006) (11)
- Quantitative determination of the selectivities of five different phenyl radicals in hydrogen atom abstraction from ethanol (2004) (11)
- Differentiation of stereoisomeric steroids by reactions with phosphenium ions (2002) (11)
- Experimental and computational studies on the formation of three para-benzyne analogues in the gas phase. (2013) (11)
- Identification and Counting of Oxygen Functionalities and Alkyl Groups of Aromatic Analytes in Mixtures by Positive-Mode Atmospheric Pressure Chemical Ionization Tandem Mass Spectrometry Coupled with High-Performance Liquid Chromatography (2012) (11)
- Quantum chemical characterization of the structures, thermochemical properties, and singlet-triplet splittings of didehydroquinolinium and didehydroisoquinolinium ions. (2005) (11)
- Identification of the Phenol Functionality in Deprotonated Monomeric and Dimeric Lignin Degradation Products via Tandem Mass Spectrometry Based on Ion–Molecule Reactions with Diethylmethoxyborane (2016) (11)
- Experimental and theoretical characterization of the 3,5-didehydrobenzoate anion: a negatively charged meta-benzyne. (2003) (11)
- Hydrogen atom abstraction and addition reactions of charged phenyl radicals with aromatic substrates in the gas phase (2001) (11)
- An ion/molecule reaction for the identification of analytes with two basic functional groups (2009) (11)
- Reactivity of the Prototype Organosulfur Distonic Ion: .bul.CH2SH2+ (1995) (10)
- Theoretical and experimental investigations on the reactions of positively charged phenyl radicals with aromatic amino acids. (2005) (10)
- Identification of Carboxylate, Phosphate, and Phenoxide Functionalities in Deprotonated Molecules Related to Drug Metabolites via Ion–Molecule Reactions with water and Diethylhydroxyborane (2017) (10)
- Reactivity of a σ,σ,σ,σ-tetraradical: the 2,4,6-tridehydropyridine radical cation. (2012) (10)
- Integration of a Multichannel Pulsed-Valve Inlet System to a Linear Quadrupole Ion Trap Mass Spectrometer for the Rapid Consecutive Introduction of Nine Reagents for Diagnostic Ion/Molecule Reactions. (2019) (10)
- Does the 2,6-didehydropyridinium cation exist? (2013) (10)
- Initial Products and Reaction Mechanisms for Fast Pyrolysis of Synthetic G-Lignin Oligomers with β-O-4 Linkages via On-Line Mass Spectrometry and Quantum Chemical Calculations (2017) (10)
- Fragmentation of Saturated Hydrocarbons Upon Atmospheric Pressure Chemical Ionization is Caused by Proton Transfer Reactions. (2020) (10)
- Theoretical and experimental investigations on the chemical reactions of positively charged phenyl radicals with cytosine and 1-methylcytosine. (2003) (10)
- Laser-induced acoustic desorption (2019) (10)
- A new reagent for structure‐specific ion–molecule reactions. Dimethyl diselenide (1995) (10)
- Distinguishing conventional and distonic radical cations by using dimethyl diselenide (1996) (10)
- Mass Spectrometric Studies of Fast Pyrolysis of Cellulose (2015) (10)
- Reactions of tert-butyl isocyanide with distonic radical cations 1 1 Dedicated to Professor Michael (1999) (9)
- Free Radical Mediated Glycan Isomer Differentiation. (2020) (9)
- Identification of 2-Aminothiazolobenzazepine Metabolites in Human, Rat, Dog, and Monkey Microsomes by Ion-Molecule Reactions in Linear Quadrupole Ion Trap Mass Spectrometry (2015) (9)
- Molecular-Level Understanding of the Major Fragmentation Mechanisms of Cellulose Fast Pyrolysis: An Experimental Approach Based on Isotopically Labeled Model Compounds. (2019) (9)
- Electron impact induced fragmentation of 4‐alkyl derivatives of 2,6,7‐trioxa‐1‐phosphabicyclo[2.2.2]octane and the corresponding 1‐oxides, 1‐sulfides and 1‐selenides (1980) (9)
- Mechanism of Me-Re Bond Addition to Platinum(II) and Dioxygen Activation by the Resulting Pt-Re Bimetallic Center. (2017) (9)
- Ion–molecule reactions of trimethylborate allow the mass spectrometric identification and counting of functional groups in protonated bifunctional oxygen-containing compounds and polyols (2007) (9)
- Gas‐phase ion–molecule reactions of thioic and dithioic acid derivatives. Condensation reactions with alkenes and alkynes (1988) (9)
- Gas-phase ion-molecule reactions for the identification of the sulfone functionality in protonated analytes in a linear quadrupole ion trap mass spectrometer. (2016) (9)
- Molecular profiling of crude oil by using Distillation Precipitation Fractionation Mass Spectrometry (DPF-MS) (2018) (9)
- Comparison of the Reactivity of the Three Distonic Isomers of the Pyridine Radical Cation Toward Tetrahydrofuran in Solution and in the Gas Phase (2013) (9)
- Differentiation of Protonated Aromatic Regioisomers Related to Lignin by Reactions with Trimethylborate in a Fourier Transform Ion Cyclotron Resonance Mass Spectrometer (2011) (9)
- Reactivity of the 4,5-didehydroisoquinolinium cation. (2012) (9)
- Methyl propionate radical cation (1996) (9)
- The radical cation of trimethylphosphine oxide (1996) (9)
- Quantum chemical characterization of the vertical electron affinities of didehydroquinolinium and didehydroisoquinolinium cations. (2006) (8)
- Gas-phase reactions of the dichlorocarbene radical cation (1999) (8)
- Synthesis and characterization of a distonic nitrene ion: gas-phase reactivity of singlet and triplet N-phenyl-3-nitrenopyridinium ion. (2001) (8)
- Reactivity of the N-methylene-5,8-didehydroisoquinolinium triradical ion. (2005) (8)
- Organic radical cations abstract methylene from ketene to produce stable distonic ions (1993) (8)
- Gas-phase fragmentation of di- and tripeptides via ion–molecule reactions with ClPCl+ (2000) (8)
- Unusual Reactivity of the Radical Cations of Some Simple Trivalent Organophosphorus Compounds toward Dimethyl Disulfide and Dimethyl Diselenide (1996) (8)
- Gas-phase reactivity of aromatic sigma,sigma-biradicals toward dinucleoside phosphates. (2008) (8)
- Transfer of ionized ketene from ˙CH2CH2CH2CO+ to acetone (1992) (8)
- Effects of Residual Water in a Linear Quadrupole Ion Trap on the Protonation Sites of 4-Aminobenzoic Acid. (2020) (8)
- Identification and Quantitation of Linear Alkanes in Lubricant Base Oils by Using GC×GC/EI TOF Mass Spectrometry (2019) (8)
- Characterization of long-chain carboxylic esters with CH3OBOCH3+ in a small fourier-transform ion cyclotron resonance mass spectrometer (1996) (7)
- Quantum chemical characterization of the structures, thermochemical properties, and doublet-quartet splittings of tridehydropyridinium cations. (2008) (7)
- Structure and Reactivity of Selected Distonic Radical Cations (1997) (7)
- Studies of the Fragmentation Mechanisms of Deprotonated Lignin Model Compounds in Tandem Mass Spectrometry. (2020) (7)
- Photodechlorination of 3,3′‐dichlorobenzidine in water (2002) (7)
- Direct functionalization of C−H bonds by electrophilic anions (2020) (7)
- Effects of a hydroxyl substituent on the reactivity of the 2,4,6-tridehydropyridinium cation, an aromatic σ,σ,σ-triradical. (2012) (7)
- Identification of the sulfoxide functionality in protonated analytes via ion/molecule reactions in linear quadrupole ion trap mass spectrometry. (2014) (7)
- Factors Affecting the Limit of Detection For HPLC/Tandem Mass Spectrometry Experiments Based on Gas-phase Ion-Molecule Reactions. (2020) (7)
- Reactions of alkyl halides with distonic acylium radical cations (1997) (6)
- Determination of the chemical compositions of heavy, medium, and light crude oils by using the Distillation, Precipitation, Fractionation Mass Spectrometry (DPF MS) method (2019) (6)
- Reactions of the Charged Radical (CH3)2S+-CH2.bul. with Cyclic Alkenes (1994) (6)
- Fast pyrolysis of lignin (2014) (6)
- Polar Effects Control the Gas-phase Reactivity of Charged para-Benzyne Analogs. (2015) (6)
- Bimolecular reactions of .CH2CH2OCH2+: a comparison with the chemical properties of CH3CH2OCH2+ and ionized trimethylene oxide (1992) (6)
- Gas-Phase Reactivity of Phenylcarbyne Anions. (2022) (6)
- Laser-Induced Acoustic Desorption/Electron Ionization of Amino Acids and Small Peptides (2017) (6)
- Gas-phase radical-radical recombination reactions of nitroxides with substituted phenyl radicals (2004) (6)
- Properties and Reactivity of Gaseous Distonic Radical Ions with Aryl Radical Sites (2013) (6)
- Relative Reactivities of Three Isomeric Aromatic Biradicals with a 1,4-Biradical Topology Are Controlled by Polar Effects. (2019) (5)
- GAS-PHASE REACTIVITY OF THE 2,6- AND 3,5-DIMETHYLENEPYRIDINIUM BIRADICALS (1998) (5)
- An Oxygen-peri-Bridged Quinolinium Cation and Its Monoradical Counterpart (2017) (5)
- Effects of the Distance Between Radical Sites on the Reactivities of Aromatic Biradicals. (2020) (5)
- Evaluation of a novel approach for peptide sequencing: Laser-induced acoustic desorption combined with P(OCH3)2+ chemical ionization and collision-activated dissociation in a fourier transform ion cyclotron resonance mass spectrometer (2007) (5)
- Measurement of the Proton Affinities of a Series of Mono- and Biradicals of Pyridine. (2020) (5)
- Substituent effects on the nonradical reactivity of 4-dehydropyridinium cation. (2012) (5)
- The fragmentation behaviour of cyclophosphamide and some simple cyclophosphamide related compounds upon electron impact (1983) (5)
- Graph-based machine learning interprets and predicts diagnostic isomer-selective ion–molecule reactions in tandem mass spectrometry† (2020) (5)
- Protonated propylene oxide is stable towards isomerization in the gas phase (1992) (4)
- Characterization of Protonated Substituted Ureas by Using Diagnostic Gas-Phase Ion-Molecule Reactions Followed by Collision-Activated Dissociation in Tandem Mass Spectrometry Experiments. (2021) (4)
- Compositional analysis of organosolv poplar lignin by using high-performance liquid chromatography/high-resolution multi-stage tandem mass spectrometry (2021) (4)
- Disulfide bond cleavage in neutral substrates by the dimethylene ketene radical cation inside a mass spectrometer (1998) (4)
- Reactivity Controlling Factors for an Aromatic Carbon-Centered σ,σ,σ-Triradical: The 4,5,8-Tridehydroisoquinolinium Ion. (2016) (4)
- Reactivity of the Gaseous Radical Cations of Trimethylenemethane and 2-Isopropylidenecyclopentane-1,3-diyl (2000) (4)
- Electron impact induced fragmentation of some bicyclic organophosphorus compounds (1983) (4)
- Differentiation of Isomeric Hydrocarbons by Using [ClMn(H2O)]+ Chemical Ionization and Collision-Activated Dissociation in a Fourier Transform Ion Cyclotron Resonance Mass Spectrometer (2010) (4)
- The structure of the long-lived radical cation of ethyl acetate (1992) (4)
- The reactivity of metallated nitrenium ions studied by FT-ICR (2009) (4)
- Comparison of energy-resolved low-energy CAD of stable and isomerizing ions in an FT-ICR and in other tandem mass spectrometers (1994) (4)
- The heat of formation of (CH3O)2B (1993) (4)
- Determination of the Chemical Compositions of Condensate-like Oils with Different API Gravities by Using the Distillation, Precipitation, Fractionation Mass Spectrometry (DPF MS) Method (2021) (4)
- Analyzing and Tuning the Chalcogen-Amine-Thiol Complexes for Tailoring of Chalcogenide Syntheses. (2020) (4)
- Determination of the compound class and functional groups in protonated analytes via diagnostic gas-phase ion-molecule reactions. (2021) (4)
- Data-dependent neutral gain MS3: Toward automated identification of the N-Oxide functional group in drug metabolites (2010) (3)
- Influence of hydrogen bonding on hydrogen-atom abstraction reactions of dehydropyridinium cations in the gas phase. (2010) (3)
- Reactivity of organic σ,σ,σ,σ,σ-pentaradicals (2019) (3)
- Quinoline Triradicals: A Reactivity Study. (2019) (3)
- Gas-phase reactions of a novel chemical ionization reagent, ClMn2+, with polar and nonpolar analytes in a linear quadrupole ion trap (2015) (3)
- Examination of barriered and barrierless hydrogen atom abstraction reactions by organic radical cations: the cytosine radical cation (2001) (3)
- The Prototypical Organophosphorus Ylidion•CH2PH3+ (1996) (3)
- Identification of Protonated Primary Carbamates by Using Gas-Phase Ion–Molecule Reactions Followed by Collision-Activated Dissociation in Tandem Mass Spectrometry Experiments (2019) (3)
- Substituent Effects on the Reactivity of the 2,4,6-Tridehydropyridinium Cation, an Aromatic σ,σ,σ-Triradical. (2018) (3)
- Fast Determination of the Lignin Monomer Compositions of Genetic Variants of Poplar via Fast Pyrolysis/Atmospheric Pressure Chemical Ionization Mass Spectrometry. (2021) (3)
- Rearrangement of phenylcarbene radical cation to dehydrotropylium cation (2006) (3)
- Reaction of O2+˙ with CH4: A study of ion energies in a dual-cell fourier transform ion cyclotron resonance mass spectrometer (1992) (3)
- Spin-Spin Coupling Between Two meta-Benzyne Moieties In a Quinolinium Tetraradical Cation Increases Their Reactivities. (2019) (3)
- Distinguishing Isomeric Aromatic Radical Cations by Using Energy-Resolved Ion Trap and Medium Energy Collision-Activated Dissociation Mass Spectrometry. (2020) (3)
- Tandem Mass Spectrometric Characterization of the Molecular Radical Cations of Asphaltenes (2022) (3)
- Protonated Ground-State Singlet meta-Pyridynes React from an Excited Triplet State. (2021) (3)
- Identification of the carboxylic acid functionality in protonated drug metabolite model compounds by using tandem mass spectrometry based on ion-molecule reactions coupled with high performance liquid chromatography (2021) (3)
- Ion/molecule reactions of dimethylamine with protonated analytes facilitate the identification of tertiary N-oxide functionalities in a linear quadrupole ion trap mass spectrometer (2017) (3)
- A Portable Reagent Inlet System Designed to Diminish the Impact of Air and Water to Ion-Molecule Reactions Studied in a Linear Quadrupole Ion Trap. (2022) (2)
- Gas phase fragmentation of adducts between dioxygen and closo-borate radical anions (2019) (2)
- The Effects of Analyte Concentration on the Protonation Sites of 4-Aminobenzoic Acid Upon Atmospheric Pressure Chemical Ionization as Revealed by Gas-phase Ion-molecule Reactions. (2020) (2)
- Design and Characterization of a High-power Laser-induced Acoustic Desorption (LIAD) Probe Coupled with a Fourier-transform Ion Cyclotron Resonance Mass Spectrometer (2008) (2)
- Polar Effects Control the Gas-Phase Reactivity of para-Benzyne Analogs. (2018) (2)
- Alkali Cation Chelation in Cold β-O-4 Tetralignol Complexes. (2016) (2)
- A novel chemical ionization reagent ion for organic analytes: the aquachloromanganese(II) cation [ClMn(H2O)+]. (2012) (2)
- Characterization of Ionized Lignin Model Compounds with α-O-4 Linkages by Positive and Negative Ion Mode ESI/Tandem Mass Spectrometry Based on CAD. (2020) (2)
- Reactivity of para-benzynes in solution and in the gas phase (2021) (2)
- Application of biofuel impurities and effect on the hot corrosion of yttria-stabilized zirconia thermal barrier coatings (2019) (2)
- THE DIMETHYLENE KETENE RADICAL CATION (1998) (2)
- An Experimental and Theoretical Study of the Long-Lived Radical Cation of CH3OCH2CH2OH (1996) (2)
- Gas-Phase Acidities of cis- and trans-2-tert-Butyl-1,3-dithian-5-ol (2004) (2)
- Bias, limit of detection, and limit of quantitation for the ASTM D2425 method updated in 2019. (2019) (2)
- Evaluation of process severity on the chemical composition of organosolv switchgrass lignins by using mass spectrometry (2021) (2)
- Thermochemical interaction of biofuel impurities with yttria-stabilized zirconia thermal barrier coatings (2021) (1)
- ALKALI CATION CHELATION IN COLD β-O-4 TETRALIGNOL COMPLEXES (2016) (1)
- Losses of CO and CO2 upon collision-activated dissociation of substituted 2-methoxyphenoxides after methyl radical loss (2020) (1)
- BOB SQUIRES : REACTIVE ORGANIC INTERMEDIATES. BENZYNES, TRIMETHYLENEMETHANE AND BEYOND (1999) (1)
- Influence of Storage Conditions, Sample Handling, Sample Preparation, and Repeated Analysis on the Measured Flash Point and Hydrocarbon Composition of Jet A (2021) (1)
- Proton Affinities of Alkanes. (2022) (1)
- PHOTODECHLORINATION OF 3,39-DICHLOROBENZIDINE IN WATER (2002) (1)
- Erratum to: Identification of the Phenol Functionality in Deprotonated Monomeric and Dimeric Lignin Degradation Products via Tandem Mass Spectrometry Based on Ion–Molecule Reactions with Diethylmethoxyborane (2017) (1)
- Chemical Characterization and Quantitation of Phenols in Fuel Extracts by Using Gas Chromatography/Methane Chemical Ionization Triple Quadrupole Mass Spectrometry (2022) (1)
- Differentiation of Protonated Sulfonate Esters from Isomeric Sulfite Esters and Sulfones by Gas-Phase Ion-Molecule Reactions Followed by Diagnostic Collision-Activated Dissociation in Tandem Mass Spectrometry Experiments. (2022) (1)
- Comparison of three different analytical protocols for 2019 updated D2425 method for renewable jet fuel product certification analysis. (2020) (1)
- Tandem Mass Spectrometry in the Analysis of Petroleum-Based Compounds. (2023) (0)
- An Automated Method for Chemical Composition Analysis of Lubricant Base Oils by Using Atmospheric Pressure Chemical Ionization Mass Spectrometry. (2019) (0)
- Proceedings of the 47th conference on Mass Spectrometry and Allied Topics (1999) (0)
- Characterization of the Compounds in Crude Oil That Preferentially Bind to Kaolinite (2022) (0)
- Effects of hydrogen bonding on the gas-phase reactivity of didehydroisoquinolinium cation isomers. (2018) (0)
- Erratum to: Identification of the Phenol Functionality in Deprotonated Monomeric and Dimeric Lignin Degradation Products via Tandem Mass Spectrometry Based on Ion-Molecule Reactions with Diethylmethoxyborane. (2017) (0)
- Modification of a Quadrupole/Orbitrap/Linear Quadrupole Ion Trap Tribrid Mass Spectrometer for Diagnostic Gas-Phase Ion-Molecule Reactions. (2023) (0)
- Mechanistic Study into Free Radical-Activated Glycan Dissociations through Isotope-Labeled Cellobioses (2023) (0)
- Different Hydrocarbon Types in Jet Fuel as Determined by GCxGC/FID - An Alternative Method to D2425 (2023) (0)
- A Diagnostic Nitrosamine Detection Approach for Pharmaceuticals by Using Tandem Mass Spectrometry Based on Diagnostic Gas-Phase Ion-Molecule Reactions. (2022) (0)
- Reactivity of aromatic sigma, sigma-biradicals toward riboses. (2006) (0)
- Comparison of APCI orbitrap MS and GCxGC/EI TOF MS for the hydrocarbon analysis of heavy base oils (2023) (0)
- A personal reminiscence (2000) (0)
- Study on the Gas-Phase Reactivity of Charged Pyridynes. (2021) (0)
- Characterization of the degradation products of lignocellulosic biomass by using tandem mass spectrometry experiments, model compounds, and quantum chemical calculations. (2023) (0)
- Detection of the tetrahedral reaction intermediate of the reaction of acetyl chloride with ethanol in microdroplets via laser desorption/ionization tandem mass spectrometry. (2022) (0)
- Determining the Composition of Carbonate Solvent Systems Used in Lithium-Ion Batteries without Salt Removal (2022) (0)
- FOCUS: NUCLEIC ACIDS IN MASS SPECTROMETRY Reactivity of Aromatic , -Biradicals Toward Riboses (2006) (0)
- Generation and Characterization of a Distonic Biradical Anion Formed from an Enediynone Prodrug in the Gas Phase (2013) (0)
- Gas-phase Reactivity of meta-Benzyne Analogs Toward Small Oligonucleotides of Differing Lengths (2017) (0)
- Modulating the radical reactivity of phenyl radicals with the help of distonic charges: it is all about electrostatic catalysis† (2021) (0)
- Erratum to: Reactivity of aromatic σ,σ-biradicals toward riboses (2006) (0)
- Gas-phase reactivity of charged pi-type biradicals. (2004) (0)
- Differentiation of Seven Isomeric n-Pentylquinoline Radical Cations Based on Energy-Resolved Medium-Energy Collision-Activated Dissociation. (2022) (0)
- Identification and Quantitation of Linear Alkanes in Lubricant Base Oils by Using GC×GC/EI TOF Mass Spectrometry. (2019) (0)
- Graph Based Machine Learning Interprets Diagnostic Isomer-Selective Ion-Molecule Reactions in Tandem Mass Spectrometry (2019) (0)
- Laser-Induced Acoustic Desorption/Electron Ionization of Amino Acids and Small Peptides. (2017) (0)
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