Source: https://chemistry.njit.edu/faculty/khalizov
Timestamp: 2019-04-20 06:51:21+00:00

Document:
I am a physical chemist who has been engaged in atmospheric chemistry and physics research since 1999. The central focus of my studies is to understand the chemical transformations and environmental impacts of atmospheric pollutants, including aerosol nanoparticles and mercury. Research into these topics is attractive from a fundamental scientific standpoint and helpful in developing measures to control pollution.
2009: NSF 2009 – $330,000. “Generation, Characterization, and Atmospheric Aging of Soot Particles from Diesel Combustion”. PI: Renyi Zhang, co-PIs: Alexei Khalizov and Eric Petersen.
Atmospheric aerosols originate from two major sources: direct particle emissions and gas-to-particle conversion of chemicals produced from atmospheric gas-phase oxidation. Increased aerosol loading of the atmosphere has negative impacts on air quality and human health and contributes to local and global climate change. Presently, the chemical and physical mechanisms responsible for the transformation of aerosol particles are not well understood. Impacts of aerosols on the environment and human health are poorly quantified, as well.
Mercury is a persistent, bioaccumulative pollutant. A large fraction of atmospheric mercury is emitted in elemental form (Hg0) by coal-fired power plants. Oxidation of Hg0 followed by atmospheric deposition is the primary cause of mercury contamination of the aquatic environment. Current knowledge of the chemical processes that convert atmospheric mercury from elemental to oxidized state is highly uncertain. Furthermore, molecular identities of oxidized mercury species are largely unknown.
This project will help to resolve an ongoing debate about the relative importance of different mercury transformation pathways in the atmosphere. An updated mercury chemical mechanisms in mercury transport and deposition models will help to understand better mercury methylation and bioaccumulation.
Chen, C., X. Fan, T. Shaltout, C. Qiu, Y. Ma, A. Goldman, and A. F. Khalizov, An unexpected restructuring of combustion soot aggregates by subnanometer coatings of polycyclic aromatic hydrocarbons, Geophys. Res. Letts., 43(20), 11,080-011,088, 2016, 10.1002/2016GL070877.
Zheng, J., Y. Ma, M. Chen, Q. Zhang, L. Wang, A. F. Khalizov, L. Yao, Z. Wang, X. Wang, and L. Chen, ‘Measurement of atmospheric amines and ammonia using the high resolution time-of-flight chemical ionization mass spectrometry’ (2015), Atmos. Environ., 102, 249-259.
Qiu, C.; Khalizov, A. F.; Hogan, B.; Petersen, E. L.; Zhang, R., ‘High Sensitivity of Diesel Soot Morphological and Optical Properties to Combustion Temperature in a Shock Tube’ (2014), Environ. Sci. Technol., 48 (11), 6444-6452.
R. Zhang, A. F. Khalizov, L. Wang, M. Hu, and W. Xu. ‘Nucleation and growth of nanoparticles in the atmosphere’ (2012), Chemical Reviews, 112(3), 1957-2011, 2012, 10.1021/cr2001756.
A. M. Diaz, M. G. Zolotukhin, S. Fomine, R. Salcedo, O. Manero, G. Cedillo, V. M. Velasco, M. T. Guzman, D. Fritsch and A. F. Khalizov, "A novel, one-pot synthesis of novel 3F, 5F, and 8F aromatic polymers", (2007), Macromolecular Rapid Communications, 28(2), 183-187.
S. L. Khursan, A. F. Khalizov, E. V. Avzyanova, M. Z. Yakupov, V. V. Shereshovets. ‘The yield of singlet oxygen in thermal decomposition of hydrotrioxides’, (2001) Russian Journal of Physical Chemistry, 75, 1107.
A. F. Khalizov, S. L. Khursan,V. V. Shereshovets. ‘Free-radical chain decomposition of ozone initiated by di(tert-butyl) trioxide’, (2001) Russian Chemical Bulletin, 50, 63.
I. M. Ganiev, Q. K. Timerghazin, A. F. Khalizov, V. V. Shereshovets, A. I. Grigor´ev,G. A. Tolstikov. ‘Complex of chlorine dioxide with TEMPO and its conversion into oxoammonium salt’, (2001) Journal of Physical Organic Chemistry, 14, 38.
Y. S. Chertova, E. V. Avzyanova, K. K. Timergazin, A. F. Khalizov, V. V. Shereshovets, U. B. Imashev. ‘The formation of singlet molecular oxygen in the interaction of chlorine dioxide with ozone’, (2001) Russian Journal of Physical Chemistry, 74, S473.

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