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Juan P. Ramos-Bonilla
Juan P. Ramos-Bonilla
Johns Hopkins University
Chemistry
Environmental chemistry
Particulates
Environmental engineering
Principal component analysis
5
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61
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Assessment of heterogeneity of metal composition of fine particulate matter collected from eight U.S. counties using principal component analysis
2012
Journal of The Air & Waste Management Association
Inkyu Han
Jana Mihalic
Juan P. Ramos-Bonilla
Ana M. Rule
Lisa Polyak
Roger D. Peng
Alison S. Geyh
Patrick N. Breysse
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Citations (16)
Use of X-ray Absorption Spectroscopy To Speciate Manganese in Airborne Particulate Matter from Five Counties Across the United States
2012
Environmental Science & Technology
Saugata Datta
Ana M. Rule
Jana Mihalic
Steven N. Chillrud
Benjamin C. Bostick
Juan P. Ramos-Bonilla
Inkyu Han
Lisa Polyak
Alison S. Geyh
Patrick N. Breysse
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Citations (27)
Comparison of spatial and temporal variations in p-PAH, BC, and p-PAH/BC ratio in six US counties
2011
Atmospheric Environment
Inkyu Han
Juan P. Ramos-Bonilla
Ana M. Rule
Jana Mihalic
Lisa Polyak
Patrick N. Breysse
Alison S. Geyh
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Citations (10)
Defining Heterogeneity of Ambient Fine Particles Collected from Eight US Counties using Principal Components Analysis
2010
Inkyu Han
Jana Mihalic
Juan P. Ramos-Bonilla
Ana M. Rule
Lisa Polyak
Roger D. Peng
Patrick Breysse
Alison S. Geyh
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Design and characterization of a sequential cyclone system for the collection of bulk particulate matter
2010
Journal of Environmental Monitoring
Ana M. Rule
Alison S. Geyh
Juan P. Ramos-Bonilla
Jana Mihalic
Jared D. Margulies
Lisa Polyak
Jana Kesavan
Patrick N. Breysse
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Citations (8)
1