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Publications

Atmospheric & Aerosol Science

Reaction Dynamics

Photodissociation
Dynamics


Ion Spectroscopy

Magnetic Field Effects

Other Publications

List of PRESENTATIONS

Atmospheric and Aerosol Science

66. M.D. Peterson, C.W. Harmon, and S.A. Nizkorodov
Effects of surfactants on the deliquescence of bulk and nanocrystalline Salt
UCI Undergraduate Journal (2009) submitted.

65. C.W. Harmon, R.L. Grimm, T.M. McIntire, M.D. Peterson, B. Njegic, V.M. Bergstedt, A. Alshawa, J.S. Underwood, D.J. Tobias, R.B. Gerber, M.S. Gordon, J.C. Hemminger, and S.A. Nizkorodov
Hygroscopic growth and deliquescence of NaCl nanoparticles mixed with surfactant SDS
J. Phys. Chem. B (2009) submitted.

64. T.B. Nguyen, A.P. Bateman, D.L. Bones, S.A. Nizkorodov, J. Laskin, and A. Laskin
High-resolution mass spectroscopic analysis of secondary organic aerosol generated by ozonolysis of isoprene
Phys. Chem. chem. Phys. (2009) submitted.

63.   M.A. Kamboures, S.A. Nizkorodov, and R.B. Gerber
Ultrafast photochemistry of methyl hydroperoxide on ice particles
Proc. Nat. Acad. Sci. (2009) revised.

62. D.L. Bones, D.K. Henricksen, S.A. Mang, M. Gonsior, A.P. Bateman, T.B. Nguyen, W.J. Cooper, and S.A. Nizkorodov
Appearance of strong absorbers and fluorophores in limonene-O3 secondary organic aerosol due to NH4+-mediated chemical aging over long time scales
J. Geophys. Res. D (2009) revised.

61.   A.P. Bateman, S.A. Nizkorodov, J. Laskin, and A. Laskin
Time-resolved molecular characterization of limonene/ozone aerosol using high-resolution rlectrospray ionization mass spectrometry
Phys. Chem. Chem. Phys. 11 (2009) 7931-7942  DOI: 10.1039/b905288g  PDF version
Suppporting Information  List of ESI-MS(+) peaks in limonene SOA mass spectrum

60. X. Pan, J.S. Underwood, J.H. Xing, S.A. Mang, and S.A. Nizkorodov
Photodegradation of secondary organic aerosol generated from limonene oxidation by ozone studied with chemical ionization mass spectrometry
Atm. Chem. Phys. 9 (2009) 3851-3865   PDF version

59. A. Alshawa, O. Dopfer, C.W. Harmon, S.A. Nizkorodov, and J.S. Underwood
Hygroscopic growth and deliquescence of NaCl nanoparticles coated with surfactant AOT
(part of the A: Robert Benny Gerber Festschrift special issue)
J. Phys. Chem. A 113 (2009) 7678-7686 DOI: 10.1021/jp809869r PDF version

57. S.A. Mang, D.K. Henricksen, A.P. Bateman, M.P.S. Andersen, D.R. Blake, and S.A. Nizkorodov
Contribution of carbonyl photochemistry to aging of atmospheric secondary organic aerosol
J. Phys. Chem. A 112 (2008) 8337-8344 DOI: 10.1021/jp804376c PDF version

56. A.P. Bateman, M.L. Walser, Y. Desyaterik, J. Laskin, A. Laskin, and S.A. Nizkorodov
The effect of solvent on the analysis of secondary organic aerosol using electrospray ionization mass spectrometry
Environ. Sci. Tech. 42 (2008) 7341–7346 DOI: 10.1021/es801226w PDF version  Supporting info

55. S.A. Mang, M.L. Walser, X. Pan, J.-H. Xing, A.P. Bateman, J.S. Underwood, A.L. Gomez, J. Park, and S.A. Nizkorodov
Photochemistry of secondary organic aerosol formed from oxidation of monoterpenes
In “Atmospheric Aerosols: Characterization, Chemistry, and Modeling (ACS Symposium Series)
Valsaraj, K. T., Kommalapati, R. R., Eds., (2009) 216 pages. ISBN13: 9780841269736  DOI: 10.1021/bk-2009-1005.
Chapter 7, page 91-109. DOI: 10.1021/bk-2009-1005.ch007 PDF version (note - large file!)

54. S.A. Mang, M.L. Walser, J.M. Laux, and Sergey A. Nizkorodov
Measurement of ozone emission and particle removal rates from portable air purifiers
J. Chem. Ed. 86 (2009) 219-221. PDF version  Supporting info

52. A.L. Gomez, T.L. Lewis, S.A. Wilkinson, and S.A. Nizkorodov
Stoichiometry of ozonation of atmospherically relevant olefins in non-participating solvents
Environ. Sci. Tech. 42 (2008) 3582-3587. PDF version  Supporting info

51. M.L. Walser, Y. Desyaterik, J. Laskin, A. Laskin, and S.A. Nizkorodov
High-resolution mass spectrometric analysis of secondary organic aerosol produced by ozonation of limonene
Phys. Chem. Chem. Phys. 10 (2008) 1009-1022. DOI: 10.1039/b712620d  PDF version
Supporting image
(+) ESI-MS peak list (-) ESI-MS peak list

50. M.L. Walser, J. Park, A.L. Gomez, A.R. Russell, and S.A. Nizkorodov
Photochemical aging of secondary organic aerosol particles generated from the oxidation of d-limonene
J. Phys. Chem. A 111 (2007) 1907-1913. PDF version   Supporting info

49. A. Alshawa, A.R. Russell, and S.A. Nizkorodov
Kinetic analysis of competition between aerosol particle removal and generation by ionization air purifiers
Environ. Sci. Tech. 41 (2007) 2498-2504. PDF version   Supporting info  UCI press release  ABC7 news video

47. A.L. Gomez, J. Park, M.L. Walser, Ao Lin, and S.A. Nizkorodov
UV photodissociation spectroscopy of oxidized undecylenic acid films
J. Phys. Chem. A 110 (2006) 3584-3592. PDF version

46. J. Park, A.L. Gomez, M.L. Walser, Ao Lin, and S.A. Nizkorodov
Ozonolysis and photolysis of alkene-terminated self-assembled monolayers on quartz nanoparticles: implications for photochemical aging of organic aerosol particles
Physical Chemistry Chemical Physics 8 (2006) 2506-2512. PDF version   PCCP cover image

45. N. Britigan, A. Alshawa, and S.A. Nizkorodov
Quantification of ozone levels in indoor environments generated by ionization and ozonolysis air-purifiers
JAWMA 56 (2006) 601-610. PDF version  UCI press release  KCAL9 news video clip 1   clip 2

44. S.A. Nizkorodov, J.D. Crounse, J.L. Fry, C.M. Roehl, and P.O. Wennberg
Near-IR photodissociation of peroxy acetyl nitrate
Atm. Chem. Phys. 5 (2005) 385-392. PDF version

43. Y. Dubowski, J. Vieceli, D.J. Tobias, A.L. Gomez, A. Lin, S.A. Nizkorodov, T.M. McIntire, and B.J. Finlayson-Pitts
Interaction of gas-phase ozone at 296 K with unsaturated self-assembled monolayers: a new look at an old system
J. Phys. Chem. A 2004, 108 (2004) 10473-10485. PDF version

41. J.L. Fry, S.A. Nizkorodov, M. Okumura, C.M. Roehl, J.S. Francisco, and P.O. Wennberg
Cis-cis and trans-perp HOONO: action spectroscopy and isomerization kinetics
J. Chem. Phys, 121 (2004) 1432-1448. PDF version

40. S.A. Nizkorodov, S.P. Sander, and L.R. Brown
Temperature and pressure dependence of high-resolution air-broadened absorption cross sections of NO2 (415-525 nm)
J. Phys. Chem. A 108 (2004) 4864-4872. PDF version

39. B.D. Bean, A.K. Mollner, S.A. Nizkorodov, G. Nair, M. Okumura, S.P. Sander, K.A. Peterson, and J.S. Francisco
Cavity ringdown spectroscopy of cis-cis HOONO and the HOONO/HONO2 branching ratio in the reaction OH + NO2 + M
J. Phys. Chem. A 107 (2003) 6974-6985. PDF version

37. S.A. Nizkorodov and P.O. Wennberg
First spectroscopic observation of HOONO
J. Phys. Chem. A 106 (2002) 855-859. PDF version

36. C.M. Roehl, S.A. Nizkorodov, H. Zhang, G.A. Blake, and P.O. Wennberg
Photodissociation of peroxinitci acid in the near-IR
J. Phys. Chem. A 106 (2002) 3766-3772. PDF version

34. S.A. Nizkorodov, W.W. Harper, and D.J. Nesbitt
Fast vibrational relaxation of OH(v=9) by ammonia and ozone
Chem. Phys. Lett. 341 (2001) 107-114. PDF version

32. S.A. Nizkorodov, W.W. Harper, B.W. Blackmon, and D.J. Nesbitt,
Temperature dependent kinetics of the HO/HO2/O3 chain reaction by time-resolved IR laser absorption spectroscopy
J. Phys. Chem. A 104 (2000) 3964-3973. PDF version

4. S.A. Nizkorodov, V.I. Makarov, I.V. Khmelinskii, S.A. Kotschubei, and K.A. Amosov
LIF detection of NO3 radical after pulsed excitation of NO2 vapor at 436.45 nm
Chem. Phys. Lett. 222 (1994) 135-140. PDF version

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Molecular Reaction Dynamics

53. F. Lique, M.A. Alexander, G.Li, H.-J. Werner, S.A. Nizkorodov, W.W. Harper, and D.J. Nesbitt
Evidence for excited spin-orbit state reaction dynamics in F + H2: Theory and experiment
J. Chem. Phys. 128 (2008) 084313/1-084313/9. PDF version

35. W.W. Harper, S.A. Nizkorodov, and D.J. Nesbitt
Reactive scattering of F + HD -> HF(v, J) + D: HF(v, J) nascent product state distributions and evidence for quantum transition state resonances
J. Chem. Phys. 116 (2002) 5622-5632. PDF version

33. W.W. Harper, S.A. Nizkorodov, and D.J. Nesbitt
Differential scattering dynamics of F + CH4 -> HF(v, J) + CH3 via high-resolution IR laser dopplerimetry
Chem. Phys. Lett. 335 (2001) 381-387. PDF version

31. W.W. Harper, S.A. Nizkorodov, and D.J. Nesbitt
Quantum state-resolved reactive scattering of F + CH4 -> HF(v, J) + CH3: nascent HF(v, J) product state distributions
J. Chem. Phys. 113 (2000) 3670-3680. PDF version

30. S.A. Nizkorodov, W.W. Harper, W.B. Chapman, B.W. Blackmon, and D.J. Nesbitt
Energy-dependent cross-sections and non-adiabatic reaction dynamics in F(2P3/2, 2P1/2) + n-H2 -> HF(v, J) + H
J. Chem. Phys. 111 (1999) 8404-8416. PDF version

29. S.A. Nizkorodov, W.W. Harper, and D.J. Nesbitt
State-to-state reaction dynamics in crossed supersonic jets: threshold evidence for non-adiabatic channels in F + H2
Faraday. Disc. Chem. Soc.113 (1999) 107-117. PDF version

27. W.B. Chapman, B.W. Blackmon, S.A. Nizkorodov, and D.J. Nesbitt
Quantum state-resolved reactive scattering of F + H2 in supersonic jets: nascent HF(v, J) rovibrational distributions via IR laser direct absorption methods
J. Chem. Phys. 109 (1998) 9306-9317. PDF version

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Photodissociation Dynamics

42. S.A. Nizkorodov, M. Ziemkiewicz, D.J. Nesbitt, and A.E.W. Knight
Overtone spectroscopy of H2O clusters in the vOH = 2 manifold: Infrared-ultraviolet vibrationally mediated dissociation studies
J. Chem. Phys. 122 (2005) 194316: 1-10. PDF version

38. S.A. Nizkorodov, M. Ziemkiewicz, T.L. Myers, and D.J. Nesbitt
Vibrationally mediated dissociation dynamics of H2O in the vOH = 2 polyad
J. Chem. Phys.119 (2003) 10158-10168. PDF  version

26. S.A. Nizkorodov and E.J. Bieske
Photofragmentation dynamics of the (N2O)2+ and (N2O)3+ clusters: fragment N2O+ A<-X spectra
Chem. Phys. 239 (1998) 369. PDF version

6. D. Lessen, S.A. Nizkorodov, P. Knupfer, T. Ruchti, E.J. Bieske, and J.P. Maier
Rotational distribution of N2+ fragments from 355 nm photolysis of N4+
Chem. Phys. Lett. 226 (1994) 187-192. PDF version

5. E.J. Bieske, S.A. Nizkorodov, A.A. Friedmann, and J.P. Maier
Metastable decay of N2+-Hen (v = 1) (1 < n < 6) clusters
Int. J. Mass Spectr. Ion Proc. 135 (1994) 19-30. PDF version

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Spectroscopy of Ionic Complexes

48. H.S. Andrei, S.A. Nizkorodov, and O. Dopfer
IR spectra of protonated carbonic acid and its isomeric H3O+-CO2 complex
Angew. Chem. Int. Ed. 46 (2007) 4754-4756. PDF version
Angew. Chem. 119 (2007) 4838-4840. PDF version

28. R.V. Olkhov, S.A. Nizkorodov, and O. Dopfer
Intermolecular interaction in the CH3+-He complex revealed by ab initio calculations and infrared photodissociation spectroscopy
J. Chem. Phys. 110 (1999) 9527-9535. PDF version

25. O. Dopfer, S.A. Nizkorodov, R.V. Olkhov, J.P. Maier, and K. Harada
Infrared spectrum of the Ar-NH2+ ionic complex
J. Phys. Chem. A 102 (1998) 10017-10024. PDF version

24. R.V. Olkhov, S.A. Nizkorodov, and O. Dopfer
Infrared photodissociation spectra of isomeric SiOH+-Arn (n=1-10) complexes
Chem. Phys. 239 (1998) 393-407. PDF version

23. D. Roth, S.A. Nizkorodov, J.P. Maier, and O. Dopfer
Intermolecular interaction in the OH+-He and OH+-Ne open-shell ionic complexes: Infrared predissociation spectra of the n1 and n1+nb vibrations
J. Chem. Phys. 109 (1998) 3841-3849. PDF version

22. R.V. Olkhov, S.A. Nizkorodov, and O. Dopfer
Infrared photodissociation spectra of CH3+-Arn complexes (n=1-8)
J. Chem. Phys. 108 (1998) 10046-10060. PDF version

21. S.A. Nizkorodov, M. Meuwly, J.P. Maier, O. Dopfer, and E.J. Bieske
Infrared predissociation spectra of Nen-HN2+ clusters (n=1-5)
J. Chem. Phys. 108 (1998) 8964-8975. PDF version

20. R.V. Olkhov, S.A. Nizkorodov, and O. Dopfer
Hindered internal rotation in ion-neutral molecular complexes: The n1 vibration of H2-HCO+ and D2-DCO+
J. Chem. Phys. 107 (1997) 8229-8238. PDF version

19. S.A. Nizkorodov, D. Roth, R.V. Olkhov, J.P. Maier, and O. Dopfer
Infrared predissociation spectra of He-HO2+ and Ne-HO2+: prediction of the n1 frequency of HO2+
Chem. Phys. Lett. 278 (1997) 26-30. PDF version

18. M. Meuwly, S.A. Nizkorodov, E.J. Bieske, J.P. Maier, and O. Dopfer
Reply to comment on "The n3 infrared spectrum of the He-NH4+ complex
Chem. Phys. Lett. 270 (1997) 252-254. PDF version

17. O. Dopfer, S.A. Nizkorodov, M. Meuwly, E.J. Bieske, and J.P. Maier
Microsolvation of the ammonium ion in argon: infrared spectra of NH4+-Arn complexes (n=1-7)
Int. J. Mass Spectrom. Ion. Proc. 167-168 (1997) 637-647. PDF version

16. S.A. Nizkorodov, Y. Spinelli, E.J. Bieske, J.P. Maier, and O. Dopfer
Dissociation energy of the Ar-HN2+ complex
Chem. Phys. Lett. 265 (1997) 303-307. PDF version

15. O. Dopfer, S.A. Nizkorodov, M. Meuwly, E.J. Bieske, and J.P. Maier
The n3 infrared spectrum of the He-NH4+ complex
Chem. Phys. Lett. 260 (1996) 545-550. PDF version

14. S.A. Nizkorodov, O. Dopfer, M. Meuwly, J.P. Maier, and E.J. Bieske
Mid-infrared spectra of the proton-bound complexes Nen-HCO+ (n=1, 2)
J. Chem. Phys. 105 (1996) 1770-1777. PDF version

13. E.J. Bieske, S.A. Nizkorodov, O. Dopfer, J.P. Maier, R. Stickland, B.J. Cotterell, and B.J. Howard
Observation of the infrared spectrum of the n3 band of the argon-ammonium ionic complex
Chem. Phys. Lett. 250 (1996) 266-272. PDF version

12.  M. Meuwly, S.A. Nizkorodov, J.P. Maier, and E.J. Bieske
Mid-infrared spectra of He-HN2+ and He2-HN2+
J. Chem. Phys. 104 (1996) 3876-3885. PDF version

11.  S.A. Nizkorodov, O. Dopfer, T. Ruchti, M. Meuwly, J.P. Maier, and E.J. Bieske
Size effects in cluster infrared spectra: the n1 band of Arn-HCO+
J. Phys. Chem. 99 (1995) 17118-17129.
According to the ISI citation index, this is the most frequently cited publication of the author. PDF version

10.  S.A. Nizkorodov, J.P. Maier, and E.J. Bieske
The infrared spectrum of He-HCO+
J. Chem. Phys. 103 (1995) 1297-1302. PDF version

9.  E.J. Bieske, S.A. Nizkorodov, F.R. Bennett, and J.P. Maier
Combined infrared and ab initio study of the H2-NH2+ complex
Int. J. Mass Spectr. Ion Proc. 149/150 (1995) 167-177. PDF version

8.  S.A. Nizkorodov, J.P. Maier, and E.J. Bieske
The infrared spectrum of the N2H+-He ion-neutral complex
J. Chem. Phys. 102 (1995) 5570-5571. PDF version

7.  E.J. Bieske, S.A. Nizkorodov, F.R. Bennett, and J.P. Maier
The infrared spectrum of the H2-HCO+ complex
J. Chem. Phys. 102 (1995) 5152-5164. PDF version

3.  A.A. Friedmann, A.M. Soliva, S.A. Nizkorodov, E.J. Bieske, and J.P. Maier
A3Piu - X3Sigmag- electronic spectrum of N3+
J. Phys. Chem. 98 (1994) 8896-8902. PDF version

2.  A.A. Friedmann, S.A. Nizkorodov, E.J. Bieske, and J.P. Maier
Discrete UV absorption by N3+-(N2)n clusters
Chem. Phys. Lett. 224 (1994) 16-20. PDF version

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Magnetic Field Effects

1.  S.A. Nizkorodov, V.I. Makarov, I.V. Khmelinskii, S.A. Kotschubei, and K.A. Amosov
Time-resolved fluorescence of NO2 in a magnetic field
Chem. Phys. Lett. 215 (1993) 662-667. PDF version

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Other Publications

58. J.R. Suchard, S.A. Nizkorodov, S.A. Wilkinson
1,4-Butanediol Content of Aqua Dots Children’s Craft Toy Beads
Journal of Medical Toxicology 5 (2009) 120-124. PDF version

58 - conference proceedings. J.R. Suchard, S.A. Nizkorodov, S.A. Wilkinson
1,4-Butanediol Content of Aqua Dots Craft Toy Beads
Academic Emergency Medicine, 15 (2008) S84-S102. DOI: 10.1111/j.1553-2712.2008.00123.x. PDF version

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PRESENTATIONS

Seminars

35. University of Toronto, Department of Chemistry (informal seminar), Toronto, Canada (May 29, 2009)
34. California Institute of Technology, Environmental Science and Engineering, Pasadena, CA (April 15, 2009)
33. San Diego State University, Department of Chemistry and Biochemistry, San Diego, CA (March 27, 2009)
32. University of California, Irvine, Department of Chemistry, Irvine, CA (October 2, 2007)
31. University of Southern California, Department of Chemistry, Los Angeles, CA (September 24, 2007)
30. Georgetown University, Department of Chemistry, Washington, DC (March 22, 2007)
29. University of California, Riverside, Department of Environmental Sciences, Riverside, CA (March 12, 2007)
28. University of Iowa, Department of Chemistry, Iowa City, IA (March 2, 2007)
27. Iowa State University, Department of Chemistry, Ames, IA (March 1, 2007)
26. University of California, San Diego, Scripps Institute of Oceanography, La Jolla, CA (February 20, 2007)
25. Harvard University, Department of Atmospheric Sciences, Cambridge, MA (February 16, 2007)
24. University of North Carolina, Department of Chemistry, Chapel Hill, NC (February 12, 2007)
23. University of Notre Dame, Department of Chemistry and Biochemistry, Notre Dame, IN (February 8, 2007)
22. Indiana University, Department of Chemistry, Bloomington, IN (February 6, 2007)
21. University of California, Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA (Jan 31, 2007)
20. Pacific Northwest National Laboratory, Environmental Molecular Science Laboratory, Richland, WA (January, 2007)
19. University of Georgia, Department of Chemistry, Athens, GA (December 1, 2006)
18. Emory University, Department of Chemistry, Atlanta, GA (November 30, 2006)
17. Georgia Tech, Department of Chemistry and Biochemistry, Atlanta, GA (November 29, 2006)
16. Arizona State University, Department of Chemistry and Biochemistry, Temple, AZ (October 26, 2006)
15. University of Colorado, Department of Chemistry and Biochemistry, Boulder, CO (September 22, 2006)
14. Universität Würzburg, Institut für Physikalische Chemie, Germany (March 27, 2006)
13. California State University, Department of Chemistry and Biochemistry, Fullerton, CA (March 2, 2006)
12. University of California, Irvine, Department of Chemistry, Irvine, CA (September, 2005)
11. California Lutheran University, College of Arts and Sciences, Thousand Oak, CA (April, 2005)
10. University of California, San Diego, Department of Chemistry and Biochemistry, La Jolla, CA (April, 2003)
9. University of California, Irvine, Department of Chemistry, Irvine, CA (2001, job interview)
8. University of Colorado, Department of Chemistry and Biochemistry, Boulder, CO (2001, job interview)
7. Iowa State University, Department of Chemistry, Ames, IA (2001, job interview)
6. University of California, Berkeley, College of Chemistry, Berkeley, CA (2001, job interview)
5. Washington University, Department of Chemistry, St. Louis, MO (2001, job interview)
4. University of Wisconsin-Madison, Department of Chemistry, Madison, WI (2001, job interview)
3. Kansas State University, Department of Chemistry, Manhattan, KS (2001, job interview)
2. Louisiana State University, Department of Chemistry, Baton Rouge, LA (1999, job interview)
1. University of Minnesota, Department of Chemistry, Minneapolis, MN (1999, job interview)

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Public Talks

9.   Associated Students UCI (ASUCI) luncheon, January 2009, Irvine, California, USA.
How you can generate a smog in your own home

8. UCI Middle School Science Career Conference, December 2008, Irvine, California, USA.
Clean air on my mind

7. Chemical Sciences Roundtable workshop “Strengthening High School Chemistry Education through Teacher Outreach Programs”, August 2008, Washington, DC, USA.
AirUCI summer workshop for teachers

6.   UCI Chancellor’s Club luncheon, August 2007, Irvine, California, USA.
What is in the air we breathe?

5. Ninth Annual Discover the Physical Sciences Breakfast Lecture Series, January 2007, Irvine, California, USA.
Chewable components of the air we breathe: Organic particles in indoor and outdoor environment

4. OCSEA Science and Technology Conference, November 2005, Santa Ana, California, USA.
Educating high school students about energy use, air pollution, and climate problems

3. Osher Lifelong Learning Institute, October 2005, Irvine, California, USA.
Ultrafine particles in the air we breathe

2. UCI Cosmos Program, July 2005, Irvine, California, USA.
Particles in the atmosphere

1. UCI Cosmos Program, July 2004, Irvine, California, USA.
The Earth atmosphere: a fragile reactor

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Invited Talks

10. 235th American Chemical Society National Meeting, April 2008, New Orleans, Louisiana, USA.
Photodissociation processes in secondary organic aerosol particles

9. 55th Annual Western Spectroscopy Association Conference, February 2008, Pacific Grove, California, USA.
Photochemistry of organic aerosol formed by oxidation of monoterpenes

8. 234th American Chemical Society National Meeting, August 2007, Boston, Massachusetts, USA.
Photochemistry of secondary organic aerosol particles formed in oxidation of monoterpenes by O3 and NO3

7. Workshop “Interfacial Chemistry in Indoor Environments”, July 2007, Berkeley, California, USA.
Composition of indoor secondary organic aerosol particles

6. 2007 Joint Assembly (of geophysical societies), May 2007, Acapulco, Mexico.
Photochemical aging of organic aerosol particles

5. Workshop “Atmospheric Chemistry: Climate Change with Trace Gases and Aerosols”, August 2006, Telluride, Colorado, USA.
Photochemical processing of secondary organic aerosol particles

4. ACS Orange County Section March dinner meeting, March 2006, Santa Ana, California, USA.
Organic aerosol particles in indoor and outdoor air

3. 23rd Informal Symposium on Kinetics and Photochemical Processes in the Atmosphere, February 2006, Pasadena, California, USA.
Photochemistry of secondary organic aerosol particles

2. 40th American Chemical Society Western Regional Meeting, January 2006, Anaheim, California, USA.
Photochemical processes in secondary organic aerosol particles

1. Coblentz award lecture at the 60th International Symposium on Molecular Spectroscopy, June 2005, Columbus, Ohio, USA.
Studying chemistry with vibrational overtone photodissociation spectroscopy

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Contributed Talks

14. 2009 American Geophysical Society Joint Assembly –The Meeting of the Americas, May 2009, Toronto, Canada.
S.A. Nizkorodov. D.L. Bones, D.K. Henricksen, S.A. Mang, A.P. Bateman, X. Pan, T.B. Nguyen, M. Gonsior, and W. Cooper
Effect of Slow Aging Reactions on Optical Properties of Secondary Organic Aerosol Prepared by Oxidation of Selected Monoterpenes

13.  27th Annual AAAR Conference, October 2008, Orlando, Florida, USA.
S.A. Nizkorodov, C.W. Harmon, A. Alshawa, J.S. Underwood, and D.J. Tobias
Hygroscopic growth of nanoparticles containing surface active molecules prepared by an electrospray aerosol source

12.  27th Annual AAAR Conference, October 2008, Orlando, Florida, USA.
S.A. Nizkorodov, A.P. Bateman, S.A. Mang, D.K. Henricksen, X. Pan, M.P.S. Andersen, D.R. Blake, J. Laskin, and A. Laskin
Photodegradation of secondary organic aerosol derived from oxidation of terpenes

11. 2006 AirUCI Meeting, December 2006, Christchurch, New Zealand.
S.A. Nizkorodov, A. Alshawa, N. Britigan, and A.R. Russell
Ultrafine aerosol particle generation by ionization air purifiers

10. 7th International Aerosol Conference, September 2006, St. Paul, Minnesota, USA.
S.A. Nizkorodov, J. Park, M.L. Walser, A.L. Gomez, J.S. Underwood, X. Pan, R. Benningsdorf, and A.R. Russell
Laboratory studies of photochemical processing of secondary organic aerosol particles

9. 2005 AirUCI Meting, June 2005, Prague, Czech Republic.
S.A. Nizkorodov, A.L. Gomez, Ao Lin, M.L. Walser, and J. Park
Photochemistry of aged organic aerosol particles

8. 2005 American Physical Society March Meting, March 2005, Los Angeles, California, USA.
S.A. Nizkorodov, A.L. Gomez, Ao Lin, M.L. Walser, and N. Britigan
Photodissociation action spectroscopy of ozonized films of undecylenic acid

7. 228th American Chemical Society National Meting, August 2004, Philadelphia, Pennsylvania, USA.
S.A. Nizkorodov, A.L. Gomez, Ao Lin, A. Alshawa and D. Whitt
Photodissociation action spectroscopy at organic aerosol particle-air interfaces

6. 227th American Chemical Society National Meting, March 2004, Anaheim, California, USA.
S.A. Nizkorodov, A.L. Gomez, Ao Lin and D. Whitt
"Ozonolysis of undecylenic and oleic acid films studied with infrared cavity-ring down spectroscopy"

5. 223rd American Chemical Society National Meting, April 2002, Orlando, Florida, USA.
S.A. Nizkorodov, B.D. Bean, M. Okumura, S.P. Sander and P.O. Wennberg
Observation and characterization of HOONO in the OH + NO2 reaction

4. 222nd American Chemical Society National Meting, August 2001, Chicago, Illinois, USA.
S.A. Nizkorodov, M. Ziemkiewicz, T.L. Myers, O. Votava, A.E.W. Knight, and D.J. Nesbitt
Vibrationally-mediated dissociation of water molecules inside (H2O)2 and Ar-H2O

3. 48th Annual Western Spectroscopy Association Conference, January 2001, Pacific Grove, California, USA.
S.A. Nizkorodov, M. Ziemkiewicz, and D.J. Nesbitt
Vibrationally-mediated photodissociation of H2O, (H2O)2, and Ar-H2O: Spectroscopy and energy flow dynamics

2. 4th Annual Rocky Mountain Symposium on Photons and Chemistry, March 1998, Estes Park, Colorado, USA.
S.A. Nizkorodov, W.B. Chapman, B.W. Blackmon, and D.J. Nesbitt
State-to-state Reactive Scattering Study of the F + n-H2 Reaction in Crossed Molecular Beams

1. Structure and Reactivity of Molecular Ions, July 1995, Spandau, Germany.
S.A. Nizkorodov, J.P. Maier, and E.J. Bieske
Infrared spectroscopic studies of ionic complexes: HCO+-Rg and N2H+-Rg (Rg = He, Ne, Ar)

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Posters

15. Gordon Research Conference on Atmospheric Chemistry, August 2009, Waterville Valley, New Hampshire, USA.
A.P. Bateman, D. Bones, P. Baldi, A. Laskin, J. Laskin, T.B. Nguyen, S.A. Nizkorodov
Extracting chemical and mechanistic information from high-resolution mass spectra of organic aerosols

14.  24th Informal Symposium on Kinetics and Photochemical Processes in the Atmosphere, February 2007, Los Angeles, California, USA.
S.A. Nizkorodov, A. Alshawa, N. Britigan, A.R. Russell
Ultrafine aerosol particle and ozone generation by ionization and ozonation air-purifiers

13. Gordon Research Conference on Atmospheric Chemistry, August 2007, Big Sky, Montana, USA.
S.A. Nizkorodov, M.L. Walser, S.A. Mang, A.P. Bateman, J.-H. Xing, X. Pan, and J.S. Underwood
Photochemical processing of secondary organic aerosol particles

12. Gordon Research Conference on Atmospheric Chemistry, September 2005, Big Sky, Montana, USA.
S.A. Nizkorodov, J. Park, A.L. Gomez, Ao Lin, and M.L. Walser
Photochemistry of oxidized organic aerosol particles

11.  228th American Chemical Society National Meting, August 2004, Philadelphia, Pennsylvania, USA.
S.A. Nizkorodov, Ao Lin, A. Alshawa, X. Pan, and S.A. Mang
Ozonolysis of organic particles studied with laser ablation - chemical ionization aerosol mass spectrometry

10.  22nd Annual AAAR Conference, October 2003, Anaheim, California, USA.
S.A. Nizkorodov, A. Alshawa, A.L. Gomez, Ao Lin, and X. Pan
Surface photochemistry of oxidized organic layers immobilized on sea-salt studied with cavity-ring down spectroscopy

9.  Gordon Research Conference on Atmospheric Chemistry, September 2003, Big Sky, Montana, USA.
A. Alshawa, A.L. Gomez, Ao Lin, S.A. Nizkorodov, and X. Pan
Novel instrumentation for investigation of photochemistry in atmospheric particle-air interfaces

8.  50th Annual Western Spectroscopy Association Conference, January 2003, Pacific Grove, California, USA.
S.A. Nizkorodov, A. Alshawa, A.L. Gomez, and Ao Lin
Photochemistry of atmospheric aerosols studied with action spectroscopy

7.  Atmospheric Chemistry and Air Pollution Yesterday, Today, and Tomorrow: a Symposium to Honor James N. Pitts, Jr., August 2001, University of California, Irvine, USA.
S.A. Nizkorodov, C. Roehl, H. Zhang, P.O. Wennberg, and G.A. Blake
Experimental study of vibrationally mediated dissociation of PNA, PAN, and HOONO

6.  Gordon Research Conference on Atmospheric Chemistry, June 2001, Newport, Rhode Island, USA.
S.A. Nizkorodov, C. Roehl, H. Zhang, P.O. Wennberg, and G.A. Blake
Experimental study of vibrationally mediated dissociation of PNA, PAN, and HOONO

5.  Gordon Research conference on Molecular Energy Transfer, January 2001, Ventura, California, USA.
S.A. Nizkorodov, M. Ziemkiewicz, T.L. Myers, and D.J. Nesbitt
Vibrationally-mediated photodissociation dynamics of H2O in the vOH = 2 polyad

4.  XVIIth Conference on the Dynamics of Molecular Collisions, July 1999, Split Rock, Pennsylvania, USA.
S.A. Nizkorodov, W.W. Harper, W.B. Chapman, B.W. Blackmon, and D.J. Nesbitt
State-to-state reaction dynamics in F+H2 studied in crossed supersonic jets

3.  Gordon Research Conference on Atomic and Molecular Interactions, June 1998, New Hampshire, USA.
S.A. Nizkorodov, W.B. Chapman, B.W. Blackmon, and D.J. Nesbitt
State-to-state reactive scattering study of the F + n-H2 reaction in crossed molecular jets

2.  Symposium on Atomic Cluster and Surface Physics, January 1996, Engelberg, Switzerland.
S.A. Nizkorodov, O. Dopfer, M. Meuwly, E.J. Bieske, and J. P. Maier
Mid-infrared spectra of ionic proton-bound complexes: intermolecular interaction and solvation effects

1.  Structure and Reactivity of Molecular Ions, January 1994, Dourdan, France.
S.A. Nizkorodov, M. Meuwly, E.J. Bieske, and J.P. Maier
Metastable decay of N2+-Hen (v = 1) (1 < n ≤ 6) clusters

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