Chemistry of atmospheric brown carbon

A Laskin, J Laskin, SA Nizkorodov - Chemical reviews, 2015 - ACS Publications
Organic carbon (OC) accounts for a large fraction of atmospheric aerosol and has profound
effects on air quality, atmospheric chemistry, and climate forcing. The molecular composition …

[HTML][HTML] Recent progress in nanomaterial-based sensing of airborne viral and bacterial pathogens

SK Bhardwaj, N Bhardwaj, V Kumar, D Bhatt… - Environment …, 2021 - Elsevier
Airborne pathogens are small microbes that can cause a multitude of diseases (eg, the
common cold, flu, asthma, anthrax, tuberculosis, botulism, and pneumonia). As pathogens …

Real‐time single particle mass spectrometry: A historical review of a quarter century of the chemical analysis of aerosols

CA Noble, KA Prather - Mass Spectrometry Reviews, 2000 - Wiley Online Library
Real‐time single particle mass spectrometry, or continuous aerosol mass spectrometry, was
originally developed in the 1970s for the purpose of identifying the chemical composition of …

Real‐time measurement of fluorescence spectra from single airborne biological particles

SC Hill, RG Pinnick, S Niles, YL Pan… - Field Analytical …, 1999 - Wiley Online Library
Improved real‐time methods for characterizing airborne biological particles are needed.
Here we review our efforts in develo** techniques for measuring the laser‐induced …

Excitation–emission spectra and fluorescence quantum yields for fresh and aged biogenic secondary organic aerosols

HJ Lee, A Laskin, J Laskin… - Environmental science & …, 2013 - ACS Publications
Certain biogenic secondary organic aerosols (SOA) become absorbent and fluorescent
when exposed to reduced nitrogen compounds such as ammonia, amines, and their salts …

Finite-difference time-domain solution of light scattering by dielectric particles with a perfectly matched layer absorbing boundary condition

W Sun, Q Fu, Z Chen - Applied optics, 1999 - opg.optica.org
A three-dimensional finite-difference time-domain (FDTD) program has been developed to
provide a numerical solution for light scattering by nonspherical dielectric particles. The …

Surface-enhanced Raman spectroscopy of bacteria and pollen

A Sengupta, ML Laucks, EJ Davis - Applied spectroscopy, 2005 - opg.optica.org
A technique for distinguishing biological material based on surface-enhanced Raman
scattering (SERS) is reported in this work. Of particular interest is biological material that can …

Single-shot fluorescence spectra of individual micrometer-sized bioaerosols illuminated by a 351-or a 266-nm ultraviolet laser

Y Pan, S Holler, RK Chang, SC Hill, RG Pinnick… - Optics letters, 1999 - opg.optica.org
Reproducible fluorescence spectra of individual 2-to 5?? m-diameter biological aerosol
particles excited with a single shot from a Q-switched laser (266 or 351?? nm) have been …

Real-time measurement of bacterial aerosols with the UVAPS: performance evaluation

V Agranovski, Z Ristovski, M Hargreaves… - Journal of Aerosol …, 2003 - Elsevier
This paper presents the results of the laboratory evaluation of the Ultraviolet Aerodynamic
Particle Size Spectrometer, the novel instrument for real-time continues monitoring of …

The fluorescence properties of aerosol larger than 0.8 μm in urban and tropical rainforest locations

AM Gabey, WR Stanley, MW Gallagher… - … Chemistry and Physics, 2011 - acp.copernicus.org
UV-LIF measurements were performed on ambient aerosol in Manchester, UK (urban city
centre, winter) and Borneo, Malaysia (remote, tropical) using a Wide Issue Bioaerosol …