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M Denton

Professor, Geosciences,
Professor, Chemistry and Biochemistry-Sci,
Member of the Graduate Faculty,

Chemistry & Biochemistry - Sci
mbdenton@arizona.edu
520/621-8246
UAVitae logo
Grant: $11.0M
M. Bonner Denton received his Bachelor of Science–Chemistry and Bachelor of Arts-Psychology degrees in 1967 from Lamar State College of Technology and his Ph.D. - Chemistry in 1972 from the University of Illinois.  Today Denton is a Galileo Professor of Chemistry and Professor of Geological Sciences at the University of Arizona.  Research interests include analytical instrumentation, optical spectroscopy, mass spectrometry, separation science, scientific imaging and forensic analysis.  Over the years Denton and his group have developed methodologies that are today widely used in chemical analysis.  He pioneered the development of high resolution array detector technology for both ultra-sensitive spectroscopic analysis and microscopic imaging.  The high performance achievable in modern Raman, Fluorescence and Atomic Emission Spectroscopies, is directly traceable to contributions made by Denton and his research group.  Currently Denton is applying new advanced detector innovations leading to the development of ultra-trace level explosives detection instrumentation capable of detecting small quantities of explosives at over forty meters standoff distances, and to new detector technology for simultaneous ion detection.  Denton is a Fellow of the Royal Society of Chemistry; Fellow of the American Association for the Advancement of Science; Fellow of the Society for Applied Spectroscopy; and Fellow of the American Chemical Society.  He has published over 200 peer reviewed publications and holds 12 patents in the field of chemical instrumentation.
M Denton experts in analytical chemistry, mass spectrometry, spectroscopy, plasma physics, biomedical optics, biophotonics, atomic physics, physics, raman spectroscopy, condensed matter physics, quantum optics, fluid mechanics, turbulence, atmospheric chemistry, astrophysics, optics, plasmonics, photonics, atomic absorption spectroscopy, materials science, computer vision, machine learning, image processing, bioinorganic chemistry, fusion energy, proteomics, bioinformatics, biomechanics, biomedical informatics, atomic spectroscopy, environmental chemistry, isotope geochemistry, forensic science, integrated circuits, vlsi, ultrasonic nebulization, aerodynamics, radiation oncology, aerosols, chemistry, flow control, plant physiology, computational fluid dynamics, turbulence modeling, ophthalmology, pattern recognition, tribology, lubrication, computer architecture, vlsi design, biophysics, bioengineering, laser spectroscopy, molecular beam epitaxy, computational biology, electromagnetics, antennas, chemometrics, power electronics, renewable energy, cosmology, robotics, molecular spectroscopy, nanophotonics, molecular imaging, electrochemistry, electrocatalysis, quantum information, plasma diagnostics, nebulizers, atomic emission, x-ray imaging, combustion, soot formation, hplc, ultrafast spectroscopy, astronomy, environmental toxicology, biogeochemistry, chromatography, microfluidics, biosensors, genomics, x-ray diffraction, ion mobility spectrometry, ionization, biometrics, mems, microfabrication
Recent Grants
Logo of Virtual-Slit Cycloidal Mass Spectrometry funding agency
2023 $209.9KActive
Virtual-Slit Cycloidal Mass Spectrometry
Logo of Virtual-Slit Cycloidal Mass Spectrometer for Portable Rapid Ultra-Trace Isotope Ratio Analysis of Actinides funding agency
2022 $40.0KActive
Virtual-Slit Cycloidal Mass Spectrometer for Portable Rapid Ultra-Trace Isotope Ratio Analysis of Actinides
Logo of Underwater Coded Aperture Miniature Mass Spectrometer (UW-CAMMS) funding agency
2021 $134.1KActive
Underwater Coded Aperture Miniature Mass Spectrometer (UW-CAMMS)
Logo of A High-Resolution, Large Mass Range Cycloidal Sector Coded Aperture Miniature Mass Spectrometer for Planetary Exploration funding agency
2019 $100.0KActive
A High-Resolution, Large Mass Range Cycloidal Sector Coded Aperture Miniature Mass Spectrometer for Planetary Exploration
Logo of Portable Single Particle Analysis Machine (Portable-SPAM) funding agency
2019 $298.4K
Portable Single Particle Analysis Machine (Portable-SPAM)
Logo of Evaluating Instrumental Techniques for Analysis of Microfibers in Wastewater funding agency
2019 $70.0K
Evaluating Instrumental Techniques for Analysis of Microfibers in Wastewater
Logo of Investigations into Developing Methods for Measuring Micro-Plastic in Waste Water funding agency
2017 $139.3K
Investigations into Developing Methods for Measuring Micro-Plastic in Waste Water
Logo of Ultra-Sensitive Real Time Atmospheric Pressure Mass Spectrometer for Stand off Detection of Explosives Vapors funding agency
2016 $140.0K
Ultra-Sensitive Real Time Atmospheric Pressure Mass Spectrometer for Stand off Detection of Explosives Vapors
Logo of A Low Cost, High Sensitivity Mass Spectrometer funding agency
2015 $100.0K
A Low Cost, High Sensitivity Mass Spectrometer
Logo of Timber Wolf Project Archive Activities funding agency
2014 $15.0K
Timber Wolf Project Archive Activities
Technologies / Patents
Logo of Sulfur Composites and Polymeric Materials from Elemental Sulfur
2017Sulfur Composites and Polymeric Materials from Elemental Sulfur 
Logo of Sensitive Ion Detection Device and Method for Analysis of Compounds as Vapors in Gases
2015Sensitive Ion Detection Device and Method for Analysis of Compounds as Vapors in Gases 
Logo of Sensitive Ion Detection Device and Method for Analysis of Compounds as Vapors in Gases
2014Sensitive Ion Detection Device and Method for Analysis of Compounds as Vapors in Gases 
Logo of Differential Transimpedance Amplifier Circuit for Correlated Differential Amplification
2008Differential Transimpedance Amplifier Circuit for Correlated Differential Amplification 
Logo of Sulfur Composites and Polymeric Materials from Elemental Sulfur
1899Sulfur Composites and Polymeric Materials from Elemental Sulfur 
Logo of Sensitive Ion Detection Device and Method for Analysis of Compounds as Vapors in Gases
1899Sensitive Ion Detection Device and Method for Analysis of Compounds as Vapors in Gases 
News
2015UA Professor Tackles Faulty Courtroom Science  
2011UA Research: Building a Better Bomb Sniffer 
2008UA Prof is First to Race Sports Car Faster than 300 MPH 
2006Seven UA Scientists Named AAAS Fellows 
2006Identifying Gems and Minerals on Earth and Mars 
2005UA College of Science Announces 2005 Galileo Circle Fellows  
2005Ability to Detect Explosives Boosted One Thousandfold by New Device  
2001Fastest Prof in the West 
Publications (151)
Recent
2018Proof of Concept Coded Aperture Miniature Mass Spectrometer Using a Cycloidal Sector Mass Analyzer, a Carbon Nanotube (CNT) Field Emission Electron Ionization Source, and an Array Detector 
2018A Call for More Science in Forensic Science 
2017Forensic Science Must Be Scientific 
2017A miniature electron ionization source fabricated using microelectromechanical systems (MEMS) with integrated carbon nanotube (CNT) field emission cathodes and low-temperature co-fired ceramics (LTCC) 
2016Forensic bitemark identification: weak foundations, exaggerated claims 
2014New CMOS Detectors are Impacting Atomic Spectroscopy 
2012The Impact of Focal Plane Arrays on Chemical Analysis: Today and Tomorrow 
2011Testing of a micro Faraday cup array for ion detection in SIMS 
2011Evaluation of a fourth-generation focal plane camera for use in plasma-source mass spectrometry 
2010Detection of Positive and Negative Ions from a Flowing Atmospheric Pressure Afterglow Using a Mattauch-Herzog Mass Spectrograph Equipped with a Faraday-Strip Array Detector 
2010Characterization of a third-generation Faraday-strip array detector coupled to a Mattauch-Herzog geometry mass spectrograph with a dc-glow discharge ionization source 
2010Optimization of Ag isotope-ratio precision with a 128-channel array detector coupled to a mattauch-herzog mass spectrograph 
2009Evaluation of a 512-channel Faraday-strip array detector coupled to an inductively coupled plasma Mattauch-Herzog mass spectrograph 
2009Performance evaluation of a miniature ion mobility spectrometer drift cell for application in hand-held explosives detection ion mobility spectrometers 
2009Use of an ambient ionization flowing atmospheric-pressure afterglow source for elemental analysis through hydride generation 
2008Raman spectroscopic and visible absorption investigation of LiCrSi sub 2 /sub O sub 6 /sub pyroxene under pressure 
2007Continuous simultaneous detection in mass spectrometry 
2007The impact of array detectors on Raman spectroscopy 
2006Electrothermal vaporization coupled with inductively coupled plasma array-detector mass spectrometry for the multielement analysis of Al sub 2 /sub O sub 3 /sub ceramic powders 
2006Characterization of a second-generation focal-plane camera coupled to an inductively coupled plasma Mattauch-Herzog geometry mass spectrograph 
2005Advances in array detectors for X-ray diffraction techniques 
2005MS detectors 
2005Evaluation of a hydrogen laser vacuum ultraviolet source for photoionization mass spectrometry of pharmaceuticals 
2005Raman and X-ray investigations of LiFeSi sub 2 /sub O sub 6 /sub pyroxene under pressure 
2005Read-noise characterization of focal plane array detectors via mean-variance analysis 
2004Characterization of a Focal Plane Camera Fitted to a Mattauch-Herzog Geometry Mass Spectrograph. 2. Use with an Inductively Coupled Plasma 
2004Simultaneous multichannel mass-specific detection for high-performance liquid chromatography using an array detector sector-field mass spectrometer. 
2004Coupling of a gas Chromatograph to a simultaneous-detection inductively coupled plasma mass spectrograph for speciation of organohalide and organometallic compounds 
2004Mercury binding to the chelation therapy agents DMSA and DMPS and the rational design of custom chelators for mercury 
2004Use of a novel array detector for the direct analysis of solid samples by laser ablation inductively coupled plasma sector-field mass spectrometry 
2003Characterization of the explosive triacetone triperoxide and detection by ion mobility spectrometry 
2003Development and characterization of an electrostatic quadrupole extraction lens for mass spectrometry 
2003High-pressure crystal structure of kosmochlor, NaCrSi sub 2 /sub O sub 6 /sub , and systematics of anisotropric compression in pyroxenes 
2003A mass spectrometry detector array that provides truly simultaneous detection 
2003Raman spectroscopic study of spodumene (LiAlSi sub 2 /sub O sub 6 /sub ) through the pressure-induced phase change from C2/c to P2 sub 1 /sub /c 
2003Improved analytical instrumentation: Potential for impact in biological sciences 
2003Advances in the application of array detectors for improved chemical analysis, part I. Comparison of qualitative analyses using large, computer-based Raman spectral libraries 
2003Simultaneous arsenic- and selenium-specific detection of the dimethyldiselenoarsinate anion by high-performance liquid chromatography-inductively coupled plasma atomic emission spectrometry 
2003Advances in the application of array detectors for improved chemical analysis, part II. Rapid trace metal analysis of high solids wastewater and sludge using a direct current plasma source equipped with an echelle spectrometer and a charge-injection device detector 
2003Lead isotope ratio determination for the forensic analysis of military small arms projectiles 
2002Characterization of a focal plane camera fitted to a Mattauch-Herzog geometry mass spectrograph. 1. Use with a glow-discharge source 
2002Development of a micro-Faraday, focal plane array detector for mass spectrometry 
2002Detection of listeria sp. Using cell membrane profiles 
2002Identification of [(GS) sub 2 /sub AsSe] sup - /sup in rabbit bile by size-exclusion chromatography and simultaneous multielement-specific detection by inductively coupled plasma atomic emission spectroscopy 
2002The development of a micro-Faraday array for ion detection 
2001Fluorescence quenching high-performance thin-layer chromatographic analysis utilizing a scientifically operated charge-coupled device detector 
2001Evolution and revolution in instrumentation for plasma-source mass spectrometry 
2001High-precision, simultaneous analysis of Pt, Pd, and Rh in catalytic converter samples by carius tube dissolution and inductively coupled plasma atomic emission spectroscopy with charge-injection device detection 
2001Precision and noise in inductively coupled plasma atomic emission spectroscopy with charge-injection device detection 
2000Structural basis of the antagonism between inorganic mercury and selenium in mammals 
2000Simultaneous multielement-specific detection of a novel glutathione-arsenic-selenium ion [(GS) sub 2 /sub AsSe] sup - /sup by ICP AES after micellar size-exclusion chromatography 
1999Direct comparison of near-infrared absorbance spectroscopy with Raman scattering spectroscopy for the quantitative analysis of xylene isomer mixtures 
1999Utilization of a scientifically operated charge-coupled device detector for high-performance thin-layer chromatographic analysis of tetracyclines 
1999Quantitative analysis using Raman spectroscopy without spectral standardization 
1999On the implementation of multielement continuum source graphite furnace atomic absorption spectrometry utilizing an echelle/CID detection system 
1999Chemical characterization of a mercury-selenium detoxification compound 
1999The separation of dimethylarsinic acid, methylarsonous acid, methylarsonic acid, arsenate and dimethylarsinous acid on the hamilton PRP-X100 anion-exchange column 
1998Stability studies of tetracycline in methanol solution 
1998Spectroscopic instrumentation in the 21st Century: Excitement at the horizon: Plenary lecture 
1997Application of energy-resolved measurements to laue diffraction: Determination of unit-cell parameters, deconvolution of harmonics and assignment of systematic absences 
1996Evaluation of commercial silica-gel HPTLC plates for quantitative fluorescence analysis 
1996Quantitative Analysis of Aflatoxins by High-Performance Thin-Layer Chromatography Utilizing a Scientifically Operated Charge-Coupled Device Detector 
1996A foil-mask spectrometer for laue diffraction pattern imaging: Simultaneous position, intensity and energy 
1996Charge-Transfer Devices in Analytical Instrumentation 
1995New detector technologies and their impact on Raman spectroscopy 
1995Using high performance liquid chromatography to determine the C sub 60 /sub :C sub 70 /sub ratio in fullerene soot: An undergraduate chemistry lab 
1994Charge injection device detectors for x-ray imaging 
1994Ongoing revolution in optical spectroscopy 
1993Photoionization mass spectrometry of C sub 60 /sub and C sub 70 /sub with a vacuum ultraviolet hydrogen laser source 
1993Imaging applications for chemical analysis utilizing charge coupled device array detectors 
1992Revolutionary impact of today's array detector technology on chemical analysis 
1992Fluorescence imaging of latent fingerprints with a cooled charge-coupled-device detector 
1991Spark spectroscopy using charge transfer devices. Analysis, automated systems, and imaging 
1991Applications of charge-coupled and charge-injection devices in analytical spectroscopy 
1991Information-based expert systems for atomic emission spectroscopy 
1991Chapter 4 The Future of Intelligent Spectrometers in Speciation by Atomic Emission Spectrometry 
1990Evaluation of current nebulizers and nebulizer characterization techniques 
1990Charge-injection device detection for improved performance in atomic-emission spectroscopy 
1990Vacuum ultraviolet inductively coupled plasma spectroscopy for element-selective detection of nonmetals 
1990A notch rejection quadrupole mass filter 
1990Crossed interferometric dispersive spectroscopy 
1990Spatial distribution of vacuum ultraviolet radiation in an inductively coupled plasma 
1990Evaluation of a new array detector atomic emission spectrometer for inductively coupled plasma atomic emission spectroscopy 
1990Absorption and emission of copper radiation in a low and a high voltage internal anode hollow cathode discharge 
1990Wide dynamic range detection with a charge injection device (CID) for quantitative plasma emission spectroscopy 
1990Simultaneous multielement atomic-emission spectrometry with a charge-injection device detector 
1989Spatial and spectral imaging of plasma excitation sources 
1989Spatially encoded Fourier transform spectroscopy in the ultraviolet to near-infrared 
1989Voltammetry at the thin-film mercury electrode (TFME): Anodic and cathodic stripping voltammetries and simple potentiostat construction 
1989Molecular fluorescence measurements with a charge-coupled device detector 
1989Glass capillary array nebulizer for atomic spectrometry 
1989A comparison of CCD and CID detection for atomic emission spectroscopy 
1989Binning spectral images in a charge-coupled device 
1989Analysis of microgram amounts of particulate material by simultaneous multiwavelength AES 
1989Simplified construction of demountable ICP torches 
1989Elemental analysis with a plasma emission echelle spectrometer employing a charge injection device (CID) detector 
1989LTE conditions within the cental channel of the plasma 
1989Linear charge-coupled device detector system for spectroscopy 
1988Applications of charge transfer devices in spectroscopy 
1988SELF-ABSORPTION IN COPPER HOLLOW CATHODE DISCHARGES: EFFECTS ON SPECTRAL LINE SHAPE AND ABSORPTION SENSITIVITY. 
1988Ultra-trace-level determination of cobalt, chromium, and hydrogen peroxide by luminol chemiluminescence detected with a charge-coupled device 
1987SAFETY SHUTOFF FOR YOUR PLASMA TORCH BOX. 
1987Concepts for improved automated laboratory productivity. Plenary lecture 
1987CHARGE TRANSFER DEVICE DETECTORS FOR ANALYTICAL OPTICAL SPECTROSCOPY - OPERATION AND CHARACTERISTICS. 
1987CHARACTERIZATION OF A CHARGE-INJECTION-DEVICE CAMERA SYSTEM AS A MULTICHANNEL SPECTROSCOPIC DETECTOR. 
1987SINGLE-ELEMENT CHARGE-INJECTION DEVICE AS A SPECTROSCOPIC DETECTOR. 
1987Effect of torch size on a 148-MHz inductively coupled plasma 
1987ELECTRO-OPTICAL CHARACTERIZATION OF THE TEKTRONIX TK512M-011 CHARGE-COUPLED DEVICE. 
1987SPATIAL PIXEL CROSSTALK IN A CHARGE-INJECTION DEVICE. 
1987SPECTROCHEMICAL MEASUREMENTS WITH MULTICHANNEL INTEGRATING DETECTORS. 
1987HIGH-PRESSURE INDUCTIVELY COUPLED PLASMA TORCH. 
1987Analysis of complex mixtures by photoionization mass spectrometry with a vacuum-ultraviolet hydrogen-laser source 
1986The quadrupole mass filter: Basic operating concepts 
1986The transmission properties of an RF-only quadrupole mass filter 
1986Comparison of a very high frequency 148 MHz inductively coupled plasma to a 27 MHz ICP 
1985THEORY AND EVALUATION OF A WINDOWLESS NONRESONANT OPTOACOUSTIC CELL. 
1985COMPARISON OF DATA REDUCTION TECHNIQUES FOR LINE-EXCITED OPTOACOUSTIC ANALYSIS OF MIXTURES. 
1985On the operation of inductively coupled plasmas as a function of pressure 
1985On the direct determination of metals in lubricating oils by ICP 
1985Photoionization mass spectrometry with a vacuum ultraviolet hydrogen laser source 
1985Construction techniques of a molecular hydrogen laser 
1984TECHNIQUES FOR OPERATING CHARGE COUPLED DEVICES (CCD's) IN VERY HIGH SPEED FRAMING MODE. 
1982A comparison of three methods for the determination of wear metals in lubricating oils: direct introduction-ICP, solvent dilution-AAS, and ashing-AAS. 
1982VERY HIGH YIELD ELECTRON IMPACT ION SOURCE FOR ANALYTICAL MASS SPECTROMETRY. 
1982Determination of nucleotides by liquid chromatography with a phosphorus-sensitive inductively coupled plasma detector 
1981ON THE USE OF THE INVERTED ABEL INTEGRAL FOR EVALUATING SPECTROSCOPIC SOURCES. 
1981INTERFERENCE BY VOLATILE NITROGEN OXIDES AND TRANSITION-METAL CATALYSIS IN THE PRECONCENTRATION OF ARSENIC AND SELENIUM AS HYDRIDES. 
1981Theory and characterization of a separator analyzer mass spectrometer 
1981A very high yield electron impact ion source for analytical mass spectrometry 
1979HYDRIDE PRECONCENTRATION FOR INDUCTIVELY COUPLED PLASMA OPTICAL EMISSION SPECTROMETRY. 
1979CHARACTERISTICS OF A ″HIGH SOLIDS″ NEBULIZER FOR FLAME ATOMIC ABSORPTION SPECTROMETRY. 
1979MOLECULAR ABSORPTION SPECTRA OF COMPLEX MATRICES IN PREMIXED FLAMES. 
1979ELEMENTAL ANALYSIS OF GAS CHROMATOGRAPHIC EFFLUENTS WITH AN INDUCTIVELY COUPLED PLASMA. 
1979Empirical formula determination with an inductively coupled plasma gas chromatographic detector 
1978EVALUATION OF INDUCTIVELY COUPLED PLASMA OPTICAL EMISSION SPECTROMETRY AS A METHOD FOR THE ELEMENTAL ANALYSIS OF ORGANIC COMPOUNDS. 
1977Performance of the super modified simplex 
1977HIGH SOLIDS SAMPLE INTRODUCTION FOR FLAME ATOMIC ABSORPTION ANALYSIS. 
1976On the utilization of pulse ultrasonic nebulization for analyzing small volumes of solution by flame emission spectrometry 
1976EVALUATION OF THE CONTRIBUTION OF ORGANIC SOLVENT SPECIES TOWARD SIGNAL ENHANCEMENT IN THE PREMIXED OXYGEN-HYDROGEN FLAME. 
1975SULFUR FPD FLOW OPTIMIZATION AND RESPONSE NORMALIZATION WITH A VARIABLE EXPONENTIAL FUNCTION DEVICE. 
1975Improvements in flame emission spectrometry through the use of ultrasonic nebulization into a premixed oxygen-hydrogen flame 
1974BURNING PARAMETERS OF PREMIXED OXYGEN-HYDROGEN AND OXYGEN-ACETYLENE FLAMES. 
1974An improved ultrasonic nebulizer system for the generation of high density aerosol dispersions 
1973Tentative method of analysis for phenols in the atmosphere (gas chromatographic method) 
1973Radiation exposure considerations when employing microwave excited spectroscopic sources 
1973Investigations into the use of a pulse ultrasonic nebulizer-burner system for atomic absorption spectrometry 
1973On calibrating of cascade impactors 
1972Triac switching circuitry for eliminating interfering transients in digital logic automated systems 
1972Burner and ultrasonic nebulizer improvements for atomic absorption spectrometry 
1972Ultrasonic nebulization in a low-emission flame for atomic fluorescence spectrometry 
1971Tunable organic dye laser as an excitation source for atomic-flame fluorescence spectroscopy 
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