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Brunst K, Ryan PH, Brokamp C, Bernstein D, Reponen T, Lockey J, Khurana Hershey GK, Levin L, Grinshpun SA, LeMasters G. Timing and duration of traffic-related air pollution exposure and the risk for childhood wheeze and asthma. American Journal of Respiratory and Critical Care Medicine, Vol.192, No. 4 (2015), pp. 421-427. (PDF)

Brandt EB, Biagini Myers JM, Acciani TH, Ryan PH, Sivaprasad U, Ruff B, LeMasters GK, Bernstein DI, Lockey JE, LeCras TD, Khurana Hershey GK. Exposure to allergen and diesel exhaust particles potentiates secondary allergen-specific memory responses, promoting asthma susceptibility. J Allergy Clin Immunol. 2015 Mar 3. (PDF)

Codispoti CD, Bernstein DI, Levin L, Reponen T, Ryan PH, Biagini Myers JM, Villareal M, Burkle J, Lummus Z, Lockey JE, Khurana Hershey GK, LeMasters GK. Early-life mold and tree sensitivity is associated with allergic eosinophilic rhinitis at 4 years of age. Ann Allergy Asthma Immunol. 2015 Mar;114(3):193-198.e4. (PDF)

LeMasters G, Levin L, Bernstein DI, Lockey SD 4th, Lockey JE, Burkle J, Khurana Hershey GK, Brunst K, Ryan PH. Secondhand smoke and traffic exhaust confer opposing risks for asthma in normal and overweight children. Obesity (Silver Spring). 2015 Jan;23(1):32-6.  (PDF)


Codispoti CD, LeMasters GK, Levin L, Reponen T, Ryan PH, Biagini Myers JM,Villareal M, Burkle J, Evans S, Lockey JE, Khurana Hershey GK, Bernstein DI. Traffic pollution is associated with early childhood aeroallergen sensitization. Ann Allergy Asthma Immunol. 2014 Dec 10. (PDF)

Amin P, Levin L, Epstein T, Ryan P, LeMasters G, Khurana Hershey G, Reponen T,Villareal M, Lockey J, Bernstein DI. Optimum predictors of childhood asthma:persistent wheeze or the Asthma Predictive Index? J Allergy Clin Immunol Pract. 2014 Nov-Dec;2(6):709-15. (PDF)

Adhikari, A., Kettleson, E.M., Vesper, S., Kumar, S., Popham, D.L., Schaffer, C., Indugula, R., Chatterjee, K., Allam, K.K., Grinshpun, S.A., Reponen, T. (2014) Dustborne and airborne Gram-Positive and Gram-Negative bacteria in high versus low ERMI homes. Sci Total Environ. 482-483: 92-99. (PDF)

Johansson, E., Reponen, T., Meller, J., Vesper, S., Yadav, J. (2014) Association of Streptomyces community composition determined by PCR-denaturing gradient gel electrophoresis (PCR-DGGE) with indoor mold status. Environ Monit & and Assess. 186(12):8773-83. (PDF)

Biagini Myers JM, Martin LJ, Butsch Kovacic M, Mersha TB, He H, Pilipenko V, Lindsey MA, Ericksen MB, Bernstein DI, LeMasters GK, Lockey JE, Khurana Hershey GK. Epistasis between SPINK5 and TSLP Genes Contributes to Childhood Asthma. J Allergy Clin Immunol. 2014 Oct;134(4):891-899. (PDF)

Cheng G, Smith AM, Levin L, Epstein T, Ryan PH, LeMasters GK, Khurana Hershey GK, Reponen T, Villareal M, Lockey J, Bernstein DI. Duration of Daycare Attendance During Infancy Predicts Asthma at Age Seven: The Cincinnati Childhood Allergy and Air Pollution Study (CCAAPS). Clin Exp Allergy. 2014 Sep 2. (PDF)

Grinshpun SA, Yermakov M, Reponen T, Simmons M, LeMasters GK, Ryan PH. Traffic particles in ambient air of a major US urban area: has anything changed over a decade? Aerosol and Air Quality Research. 2014 Aug; 14(5): 1344 – 1351. (PDF)

LeMasters GK, Khurana Hershey GK, Sivaprasad U, Martin LJ, Pilipenko V, Ericksen MB, Burkle JW, Lindsey MA, Bernstein DI, Lockey JE, Gareri J, Lubetsky A, Koren G, Biagini Myers JM. N-acetyltransferase 1 polymorphism increases cotinine levels in Caucasian children exposed to secondhand smoke: the CCAAPS birth cohort. Pharmacogenomics J. 2014 Aug 26.  (PDF)


Kettleson, E., Kumar, S., Reponen, T., Vesper, S., Méheust, D., Grinshpun, S.A., Adhikari, A. (2013) Stenotrophomonas, Mycobacterium, and Streptomyces in dust and indoor air: Associations with moldiness and other home characteristics. Indoor Air 23:387-396. (PDF) 

Brunst KJ, Leung YK, Ryan PH, Khurana Hershey GK, Levin L, Ji H, Lemasters GK,Ho SM. Forkhead box protein 3 (FOXP3) hypermethylation is associated with diesel exhaust exposure and risk for childhood asthma. J Allergy Clin Immunol. 2013 Feb;131(2):592-4.e1-3. (PDF)

Newman NC, Ryan P, Lemasters G, Levin L, Bernstein D, Hershey GK, Lockey JE, Villareal M, Reponen T, Grinshpun S, Sucharew H, Dietrich KN. Traffic-related air pollution exposure in the first year of life and behavioral scores at 7 years of age. Environ Health Perspect. 2013 Jun;121(6):731-6. (PDF)

Johansson E, Reponen T, Vesper S, Levin L, Lockey J, Ryan P, Bernstein DI,Villareal M, Khurana Hershey GK, Schaffer C, Lemasters G. Microbial content of household dust associated with exhaled NO in asthmatic children. Environ Int. 2013 Sep;59:141-7. (PDF)

Reponen T, Levin L, Zheng S, Vesper S, Ryan P, Grinshpun SA, LeMasters G.Family and home characteristics correlate with mold in homes. Environ Res. 2013 Jul;124:67-70.  (PDF)


Reponen T, Lockey J, Bernstein DI, Vesper SJ, Levin L, Khurana Hershey GK, Zheng S, Ryan P, Grinshpun SA, Villareal M, Lemasters G. Infant origins of childhood asthma associated with specific molds. J Allergy Clin Immunol. 2012 Jul 10. (PDF)

Brunst KJ, Ryan PH, Lockey JE, Bernstein DI, McKay RT, Khurana Hershey GK, Villareal M, Biagini Myers JM, Levin L, Burkle J, Evans S, Lemasters GK. Unraveling the relationship between aeroallergen sensitization, gender, second-hand smoke exposure, and impaired lung function. Pediatr Allergy Immunol. 2012 Mar 22. (PDF)

Kim H, Tse K, Levin L, Bernstein D, Reponen T, Lemasters G, Lummus Z, Horner AA. House dust bioactivities predict skin prick test reactivity for children with high risk of allergy. J Allergy Clin Immunol. 2012 Feb 29 (PDF)

Kim H, Levin L, Lemasters GK, Villareal M, Evans S, Lockey JE, Khurana Hershey GK, Bernstein DI. Validating childhood symptoms with physician-diagnosed allergic rhinitis. Ann Allergy Asthma Immunol. 2012 Apr;108(4):228-31. (PDF)

Epstein TG, LeMasters GK, Bernstein DI, Ericksen MB, Martin LJ, Ryan PH, Biagini Myers JM, Butsch Kovacic MS, Lindsey MA, He H, Reponen T, Villareal MS,Lockey JE, Bernstein CK, Khurana Hershey GK. Genetic variation in small proline rich protein 2B as a predictor for asthma among children with eczema. Ann Allergy Asthma Immunol. 2012 Mar;108(3):145-50. (PDF)

Biagini Myers JM, Khurana Hershey GK, Deka R, Burkle JW, Levin LS, Bernstein DI, Villareal M, Lockey JE, Reponen T, Gareri J, Lubetsky A, Koren G, Lemasters GK. Asking the Right Questions to Ascertain Early Childhood Secondhand Smoke Exposures. J Pediatr. 2012 Apr 10.  (PDF)


Reponen T, Vesper S, Levin L, Johansson E, Ryan P, Burkle J, Grinshpun SA, Zheng S, Bernstein DI, Lockey J, Villareal M, Khurana Hershey GK, Lemasters G. High environmental relative moldiness index during infancy as a predictor of asthma at 7 years of age. Ann Allergy Asthma Immunol. 2011 Aug;107(2):120-6. (PDF)

Sahu M, Hu S, Ryan PH, Le Masters G, Grinshpun SA, Chow JC, Biswas P. Chemical compositions and source identification of PM2.5 aerosols for estimation of a diesel source surrogate. Sci Total Environ. 2011 Jun 1;409(13):2642-51. (PDF)

Epstein TG, Bernstein DI, Levin L, Khurana Hershey GK, Ryan PH, Reponen T, Villareal M, Lockey JE, LeMasters GK. Opposing Effects of Cat and Dog Ownership and Allergic Sensitization on Eczema in Atopic Birth Cohort. J Pediatr. 2011 Feb;158(2):265-71.e1-5. (PDF)

Johansson E, Vesper S, Levin L, Lemasters G, Grinshpun S, Reponen T. Streptomycetes in house dust: associations with housing characteristics and endotoxin. Indoor Air. 2011 Aug;21(4):300-10.  (PDF)


Biagini Myers JM, Wang N, LeMasters GK, Bernstein DI, Epstein TG, Lindsey MA, Ericksen MB, Chakraborty R, Ryan PH, Villareal MS, Burkle JW, Lockey JE, Reponen T, Khurana Hershey GK. Genetic and environmental risk factors for childhood eczema development and allergic sensitization in the CCAAPS cohort. J Invest Dermatol. 2010 Feb;130(2):430-7. (PDF)

Codispoti CD, Levin L, Lemasters GK, Ryan P, Reponen T, Villareal M, Burkle J, Stanforth S, Lockey JE, Khurana Hershey GK, Bernstein DI. Breast-feeding, aeroallergen sensitization, and environmental exposures during infancy are determinants of childhood allergic rhinitis. J Allergy Clin Immunol. 2010 May; 125(5):1054-1060.e1. (PDF)

Sucharew H, Ryan PH, Bernstein D, Succop P, Khurana Hershey GK, Lockey J, Villareal M, Reponen T, Grinshpun S, Lemasters G. Exposure to traffic exhaust and night cough during early childhood: the CCAAPS birth cohort. Pediatr Allergy Immunol. 2010 Mar; 21(2Pt1):253-9. (PDF)

ReponenT, Singh U, Schaffer C, Vesper S, Johansson E, Adhikari A, Grinshpun SA, Indugula R, Ryan P, Levin L, LeMasters G. Visually observed mold and moldy odor versus quantitatively measured microbial exposure in homes. Science of the Total Environment. 2010 Jul 30; 408:5565-5574. (PDF)

Biagini Myers JM, Khurana Hershey GK. Eczema in early life: genetics, the skin barrier, and lessons learned from birth cohort studies. J Pediatr. 2010 Nov;157(5):704-14.  (PDF)


Ryan PH, Bernstein DI, Lockey J, Reponen T, Levin L, Grinshpun S, Villareal M, Hershey GK, Burkle J, LeMasters G. Exposure to traffic-related particles and endotoxin during infancy is associated with wheezing at age 3 years. Am J Respir Crit Care Med. 2009 Dec 1;180(11):1068-75. (PDF)

Iossifova Y, Reponen T, Ryan P, Levin L, Bernstein D, Lockey J, Khurana Hershey G, Villareal M, LeMasters G. Mold Exposure During Infancy as a Strong Predictor of Potential Asthma Development. Annals of Allergy, Asthma and Immunology. 2009;102:131-137  (PDF)

Li C, Nguyen Q, Ryan PH, LeMaster GK, Spitz H, Lobaugh M, Glover S, Grinshpun SA. School bus pollution and changes in the air quality at schools: a case study. Journal of Environmental Monitoring. 2009;11:1037-1042  (PDF)

Schroer KT, Biagini Myers JM, Ryan PH, LeMasters GK, Bernstein DI, Villareal M, Lockey JE, Reponen T, Grinshpun S, Khurana Hershey GK. Associations between Multiple Environmental Exposures and Glutathione S-transferase P1 on Persistent Wheezing in a Birth Cohort. Journal of Pediatrics. 2009; 154:401-8 (PDF)


Appatova AS, Ryan PH, LeMasters GK, Grinshpun SA. Submitted. Proximal Exposure of Public Schools and Students to Major Roadways: A Nationwide US Survey. Journal of Environmental Planning and Management. 2008;51(5):631-646. (PDF)

Iossifova Y, Reponen T, Daines M, Levin L, Khurana Hershey GK. Comparison of Two Analytical Methods for Detecting (1-3)-B-D-Glucan in Pure Fungal Cultures and in Home Dust Samples. The Open Allergy Journal. 2008;1:26-34. (PDF)

Martuzevicius D, Grinshpun SA, Lee T, Hu S, Biswas P, Reponen T, LeMasters G. Traffic-Related PM2.5 Aerosol in Residential Houses Located Near Major Highways: Indoor Versus Outdoor Concentrations. Atmospheric Environment. 2008;42:6575-6585 (PDF)

Ryan PH, LeMasters GK, Levin L, Burkle J, Biswas P, Hu S, Grinshpun S, Reponen T. A land-use regression model for estimating microenvironmental diesel exposure given multiple addresses from birth through childhood. Sci Total Environ. (PDF)

Smith AM, Bernstein DI, LeMasters GK, Huey NL, Ericksen M, Villareal M, Lockey J, Hershey GKK. Environmental Tobacco Smoke and Interleukin 4 Polymorphism (C-589-T) Gene: Environmental Interaction Increases Risk of Wheezing in African-American Infants. The Journal of Pediatrics. 2008;152:709-715. (PDF)


Iossifova Y, Reponen T, Bernstein D, Levin L, Kalra H, Campo P, Villareal M, Lockey J, Hershey G, LeMasters G. (2007) House Dust (1-3)-b-D-Glucan and Wheezing in Infants. Allergy. 62:504-513. (PDF)

Ryan P, LeMasters G. A review of land-use regression models for characterizing intraurban air pollution exposure. (2007) Inhalation Toxicology. 19(Suppl 1):127-133. (PDF)

Vesper SJ, Mckinstry C, Haugland RA, Iossifova Y, LeMasters G, Levin L, Hershey GK, Villareal M, Bernstein DI, Lockey J, Reponen T. (2007) EPA Relative Moldiness Index as predictor of childhood respiratory illness. J. of Exposure Science and Environmental Epidemiology. 17:88-94. (PDF)

Meklin T, Reponen T, McKinstry C, Cho S, Grinshpun S, Nevalainen A, Vepsalainen A, Haugland R, LeMasters G, Vesper S. Comparison of mold concentrations quantified by MSQPCR in indoor and outdoor air sampled simultaneously. Science of the Total Environment. 2007;382:130-134 (PDF)

Ryan PH, LeMasters G, Biswas P, Levin L, Hu S, Lindsey M, Bernstein D, Lockey J, Villareal M, Hershey GKK, Grinshpun S. A Comparison of Proximity and Land Use Regression Traffic Exposure Models and Wheezing in Infants. Environ Health Perspect. 2007;115:278-284.  (PDF)


Adhikari A, Reponen T, Grinshpun S, Martuzevicius D, and LeMasters G. (2006) Correlation of ambient inhalable bioaerosols with particulate matter and ozone: a two-year study. Environmental Pollution 140:16-28. (PDF)

Jocelyn M. Biagini, Grace K. LeMasters, Patrick H. Ryan, Linda Levin, Tiina Reponen, David I. Bernstein, Manuel Villareal, Gurjit K. Khurana Hershey, Jeffrey Burkle and James Lockey. Environmental risk factors of rhinitis in early infancy. Pediatric Allergy and Immunology. 2006 June; 17(4): 278-284. (PDF)

Campo P, Kalra HK, Levin L, Reponen T, Olds R, Lummus ZL, S Cho, Hershey GK, Lockey J, Villarreal M, Stanforth S, LeMasters G, Bernstein DI. (2006) Influence of Dog Ownership and High Endotoxin on Wheezing and Atopy During Infancy. The Journal of Allergy and Clinical Immunology. 118(6):1271-8. (PDF)

Cho S, Reponen T, LeMasters G, Levin L, Huang J, Meklin T, Ryan P, Villareal M, Bernstein DI. Mold Damage in Homes and Atopic Wheezing in Infants. Annals of Allergy, Asthma & Immunology. 2006 October; 97: 539-545. (PDF)

Cho S, Reponen T, Bernstein D, Olds R, Levin L, Liu X, Wilson K, LeMasters G. The effect of home characteristics on dust antigen concentrations and loads in homes. (2006) Science of the Total Environment. 371:37-43. (PDF)

Hu S, McDonald R, Martuzevicius D, Biswas P , Turner J, Kelly A, Grinshpun SA, Reponen T, Lockey J, and LeMasters G. UNMIX calculations of ambient PM2.5 near an interstate highway in the Greater Cincinnati area. Atmospheric Environment. 40(S2):378-395. (PDF)

Junxiang Luo, Rakesh Shukla, Atin Adhikari, Tiina Reponen, Sergey A. Grinshpun, Qi Zhang and Grace LeMasters. Estimating sampling frequency in pollen exposure assessment over time. Journal of Environmental Monitoring. 2006 June; 8:955-962 (PDF)

Kalra M, Biagini J, Bernstein K, Stanforth S, Burkle J, LeMasters G. (2006) Effect of asthma on the risk for obstructive sleep apnea syndrome in atopic females. Annals of Allergy, Asthma, & Immunology. 97:231-235. (PDF)

Kalra M, LeMasters G, Bernstein D, Wilson K, Levin L, Cohen A, Amin R. Atopy as a risk factor for habitual snoring at age 1 year. Chest 129(4):942-946. (PDF)

Lee T, Grinshpun SA, Martuzevicius D, Adhikari A, Crawford CM, Luo J, and Reponen T. (2006) Relationship between indoor and outdoor bioaerosols collected with a button inhalable aerosol sampler in urban homes. Indoor Air 16:37-47. (PDF)

Lee T, Grinshpun SA, Martuzevicius D, Adhikari A, Crawford CM, and Reponen T. (2006) Culturability and concentration of indoor and outdoor airborne fungi in six single family homes. Atmospheric Environment 40:2902-2910. (PDF)

LeMasters GK, Wilson K, Levin L, Biagini J, Ryan PH, Lockey JE, Stanforth S, Maier S, Yang J, Burkle J, Villareal M, Hershey GKK, Bernstein DI. (2006) High Prevalence of Aeroallergen Sensitization Among Infants of Atopic Parents. J Pediatr 149:505-511.  (PDF)

Niemeir RT, Sivasubramani SK, Reponen T, and Grinsphun SA. (2006) Assessment of fungal contamination in moldy homes: comparison of different methods. Journal of Occupational and Environmental Hygiene 3:262-273 (PDF)

Osborne M, Reponen T, Adhikari A, Cho S, Grinshpun SA, Levin L, Bernstein DI, LeMasters G. Specific Fungal Exposures, Allergic Sensitization, and Rhinitis in Infants. Pediatric Allergy and Immunology. (2006) Pediatric Allergy and Immunology. 17:450-457. (PDF)

Zhong W, Levin L, Reponen T, Hershey GK, Adhikari A, Shukla R, LeMasters G. (2006) Analysis of Short-term Influences of Ambient Aeroallergens on Pediatric Asthma Hospital Visits. Science of the Total Environment.370:330-336. (PDF)


Martuzevicius D, Luo J, Reponen T, Shukla R, Kelley AL, St. Clair H, Grinshpun SA (2005) Evaluation and optimization of an urban PM2.5 monitoring network. Journal of Environmental Monitoring 7:67-77. (PDF)

Ryan PH, LeMasters G, Biagini J, Bernstein D, Grinshpun S, Shukla R, Wilson K, Villareal M, Burkle J, Lockey J. (2005) Is it traffic type, volume, or distance? Wheezing in infants living near trucks and bus traffic. The Journal of Allergy and Clinical Immunology 116(2):279-284. (PDF)

Shukla, R., Luo, J., LeMasters, G.K., Grinshpun, S.A., Martuzevicius, D. (2005) Sampling over time: Developing a cost effective and precise exposure assessment program. Journal of Environmental Monitoring. 7:603-607. (PDF)


Martuzevicius D, Grinshpun SA, Reponen T, Gorny RL, Shukla R, Lockey J, Hu S, McDonald R, Biswas P, Kliucininkas L, LeMasters G. (2004) Spatial and temporal variation of PM2.5 concentration throughout an urban area with high freeway density the Greater Cincinnati study. Atmospheric Environment 38:1091-1105. (PDF)

McDonald R, Biswas P. (2004) A methodology to establish the morphology of ambient aerosols. Journal of Air and Waste Management Association 54 (9):1069-1078. (PDF)

McDonald R, Hu S, Martuzevicius D, Grinshpun SA, LeMasters GK, Biswas P. (2004) Intensive short term measurements of the ambient aerosol in the Greater Cincinnati Airshed. Aerosol Science and Technology 38, (S2) 70-79. (PDF)

Meklin T, Haugland RS, Reponen T, Varma M, Lummus Z, Bernstein D, Wymer L, Vesper S. (2004) Quantitative PCR analysis of house dust can reveal abnormal mold conditions. Journal of Environmental Monitoring 6:615-620. (PDF)


Adhikari A, Martuzevicius D, Reponen T, Grinshpun SA, ChoSH, Sivasubramani S, Zhong W, Levin L, Kelley, AL, St. Clair H, LeMasters G. (2003) Performance of the Button Personal Inhalable Sampler for the measurement of outdoor aeroallergens. Atmospheric Environment 34:4723-4733. (PDF)

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