Earth Day Experts

  • by Sandra E Hemingway

Earth Day is this Thursday, April 22 and to help reporters develop stories about air quality monitoring, modeling and evaluation, the Air Quality Research Center is here with a few researchers and educators to support the sharing of knowledge. 

Ann Dillner

Research Engineer, Air Quality Research Center (AQRC)

Research Interests:

Cort Anastasio's Lab

  •   Two simulated sunlight illumination systems with sample chambers for liquid, ice, or filters
  •   Monochromatic illumination system with chambers for ice or liquid samples
  •   Two isocratic Shimadzu HPLC systems with UV-Vis detectors
  •   One isocratic Shimadzu HPLC system with fluorescence detector
  •   One gradient Shimadzu HPLC system with photodiode array detector
  •   Shimadzu UV2501-PC UV/Vis spectrophotometer
  •   World Precision Instruments liquid-waveguide capillary cell spectrophotometer (LWCC)
  •   Millipore Milli-Q Advantage A10 water purification system
  •   Custom-built cold cell that fits into a micro-computed tomography (micro-CT) instrument in the UCD Center for Molecular and Genomic Imaging (CMGI)
  •   Snow-making machine in a walk-in freezer

Faloona Biogeochemical Meteorology Lab

  •   Airborne Turbulence Probe:  Aircraft Integrated Meteorological Measurement System (Aventech, AIMMS-30)
  •   GRAW portable radiosonde system
  •   Fast Ethane Spectrometer (Aerodyne, CW-Tunable Infrared Laser Direct Absorption Spectrometer (TILDAS) System)
  •   CO instrument (AeroLaser, fast-response VUV resonance fluorescence instrument)
  •   NOx Analzyer (Thermo Model 42i, Trace Level Chemiluminescence) with photolytic cell (Air Qualiity Design)
  •   O3 Analyzer (2B Tech 205 dual-beam UV spectrometer)

Tran Nguyen's Lab

  •   Atmospheric Photochemical Chamber (10 m3 Teflon chamber, temperature controlled 28 m3 enclosure)
  •   CF3O- Chemical Ionization Mass Spectrometer (CIMS) with Triple Quadrupole analyzer
  •   Ionicon Time of Flight mass spectrometer (TOF 4000)
  •   Nanospray and nano-DESI ion source for high-resolution mass spectrometry
  •   TSI Scanning Mobility Particle Sizer (SMPS)
  •   Thermo NOx analyzer (42i)
  •   Thermo Ozone analyzer (49i)
  •   Agilent GC flame ionization detector (GC-FID) with gas sampling
  •   Polydisperse aerosol generator
  •   Ozone generator
  •   Shimadzu FT-IR with heated 10m pathlength cell and MCT detector (IRTracer-100)
  •   Shimadzu UV-Vis dual beam spectrometer (UV-1800)
  •   Smoldering combustion chamber
  •   Agilent Liquid chromatography - UV detector
  •   Semi-prep LC
  •   Chemical synthesis equipment

Christopher Cappa's Lab

  •   Two-wavelength cavity ringdown photoacoustic spectrometer (CRD-PAS)
  •   Single Particle Soot Photometer (SP2)
  •   Cloud Condensation Nuclei (CCN) Counter
  •   CCN Counter with in situ droplet sizing
  •   Aerosol chemical speciation monitor (ACSM; joint with Qi Zhang)
  •   3-wavelength photoacoustic aerosol spectrometer (PASS-3)
  •   Scanning mobility particle sizer (SMPS)
  •   Scanning electrical mobility sizer (SEMS)
  •   Aerosol particle sizer (APS)
  •   Oxidation flowtube
  •   Ozone monitor
  •   NOx monitor
  •   SO2 monitor
  •   Miniature marine aerosol reference tank (miniMART)

Qi Zhang's Lab

  •   Aerodyne Soot-Particle High-Resolution Time-of-Flight Aerosol Mass Spectrometer (SP-AMS)
  •   Aerodyne Aerosol Chemical Speciation Monitor (ACSM, jointly with Chris Cappa)
  •   Scanning Mobility Particle Sizer (SMPS)
  •   Metrohm Particle Into Liquid Sampler (PILS)
  •   Metrohm Ion Chromatograph systems with conductivity and UV-vis detectors (2)
  •   Digital controlled thermodenuder (TD) system (room temperature – 300 oC)
  •   TSI 3772 Condensation Particle Counter (CPC)
  •   Aerosol generation system (Collison atomizer, pumps, and diffusion dryers)
  •   Droplet-on-demand droplet generator
  •   Electrospray aerosol generator
  •   Shimazu total carbon and total nitrogen (TC/TN) analyzer

Anthony Wexler's Lab

  •   TSI 3080 Electrostatic Classifier (2)
  •   TSI 3081 Long Column DMA (2)
  •   TSI 3085 Nano DMA (2)
  •   TSI 3025 CPC (3)
  •   TSI 8520 DustTrak (2)
  •   TSI 3079 Atomizer Aerosol Generator
  •   Mini RAE 3000 PID
  •   API Model 100A Fluorescent SO2 analyzer
  •   Western Research Model 721-AT SO2 analyzer
  •   Counterflow Diffusion Denuders (5)
  •   TSI 3475 Condensation Monodisperse Aerosol Generator
  •   Thermo NOy analyzer (2)
  •   Thermo SO2 analyzer (3)
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