Earth Day Experts

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)