P. Barry Ryan

9.2k citations

158 papers · 7.0k indexed · 2 hit papers · h-index 45

Impact in

Health, Toxicology and Mutagenesis top 0.1%
- Air Quality and Health Impacts
- Toxic Organic Pollutants Impact
- Climate Change and Health Impacts
- Effects and risks of endocrine disrupting chemicals
Environmental Chemistry top 0.5%
- Per- and polyfluoroalkyl substances research

Papers in

Health, Toxicology and Mutagenesis 90
- Air Quality and Health Impacts 44
- Toxic Organic Pollutants Impact 23
- Effects and risks of endocrine disrupting chemicals 15
Environmental Chemistry 22
- Per- and polyfluoroalkyl substances research 21

Co-authors: Dana Boyd Barr Parinya Panuwet Kyle Steenland Scott M. Bartell Harold L. Moore David L. MacIntosh James A. Mulholland Paige E. Tolbert
Journals: Environmental Health Perspectives (16 papers)Environment International (11 papers)Journal of Exposure Science & Environmental Epidemiology (10 papers)Environmental Science & Technology (8 papers)Environmental Research (6 papers)
Partner nations: United States Thailand India

In The Last Decade

P. Barry Ryan

153 papers receiving 6.7k citations

Hit Papers

align trajectories log scale

Biological Matrix Effects in Quantitative Tandem Mass Spectrometry-Based Analytical Methods: Advancing Biomonitoring 2015 · 296 citations

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if any of the following hold:

it has ≥500 total citations;
it reaches ≥1.5× the top-1% citation threshold for papers in the same subfield and year (the threshold is the minimum needed to enter the top 1%, not the average within it);
it reaches the top citation threshold in at least one of its specific research topics.

2015 Critical Reviews in Analytical Chemistry
1987 Peritoneal Dialysis International

Peers

Countries citing papers authored by P. Barry Ryan

Since Specialization

Citations

This map shows the geographic impact of P. Barry Ryan's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by P. Barry Ryan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites P. Barry Ryan more than expected).

Fields of papers citing papers by P. Barry Ryan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by P. Barry Ryan. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by P. Barry Ryan. The network helps show where P. Barry Ryan may publish in the future.

Co-authorship network

The 25 scholars most cited alongside P. Barry Ryan, linked wherever they have co-authored with each other. Click a name or a connecting line to browse the papers they share.

Border = papers with P. Barry Ryan Line = papers co-authored together P. Barry Ryan links everyone, so they are left out of the graph.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work
1	Prenatal exposure to persistent organic pollutants and associations with child behavior problems at 1–5 years Environmental Pollution ·Stephanie M. Eick, Chengwen Que, Dana Boyd Barr, Anne L. Dunlop, Donghai Liang, Elizabeth J. Corwin, P. Barry Ryan, N. Vogt, M. P. Buhr, Parinya Panuwet, Priya E D'Souza, S.J. Lee, Grace M. Lee, Anke Hüls, Zeyu Fan, Youran Tan, Patricia A. Brennan	2025	1
2	Association of per- and polyfluoroalkyl substances with the antioxidant bilirubin across pregnancy Free Radical Biology and Medicine ·Kaitlin R. Taibl, Anne L. Dunlop, Matthew Ryan Smith, Douglas I. Walker, P. Barry Ryan, Parinya Panuwet, Elizabeth J. Corwin, Kurunthachalam Kannan, Dean P. Jones, Carmen J. Marsit, Youran Tan, Donghai Liang, Stephanie M. Eick, Dana Boyd Barr	2024	1
3	Associations Between Self-Reported Experiences of Discrimination, Socioeconomic and Racial Polarization, and Birth Outcomes in the Atlanta African American Maternal-Child Cohort Environmental Justice ·Jean-Dean Liu, Chengwen Que, Anne L. Dunlop, Dana Boyd Barr, LU Mei-mang, Patricia A. Brennan, P. Barry Ryan, Donghai Liang, Elizabeth J. Corwin, Kaitlin R. Taibl, Youran Tan, Stephanie M. Eick	2024	0
4	Exposure to phthalate metabolites, bisphenol A, and psychosocial stress mixtures and pregnancy outcomes in the Atlanta African American maternal-child cohort Environmental Research ·Jean-Dean Liu, Anne L. Dunlop, Dana Boyd Barr, Elizabeth J. Corwin, LU Mei-mang, Patricia A. Brennan, P. Barry Ryan, Parinya Panuwet, Kaitlin R. Taibl, Youran Tan, Donghai Liang, Stephanie M. Eick	2023	15
5	Metabolic Perturbations Associated with an Exposure Mixture of Per- and Polyfluoroalkyl Substances in the Atlanta African American Maternal-Child Cohort Environmental Science & Technology ·Donghai Liang, Kaitlin R. Taibl, Anne L. Dunlop, Dana Boyd Barr, P. Barry Ryan, Todd M. Everson, Yuliia Olexandrivna Potapenko, Youran Tan, Parinya Panuwet, Kurunthachalam Kannan, Carmen J. Marsit, Dean P. Jones, Stephanie M. Eick	2023	22
6	Newborn metabolomic signatures of maternal per- and polyfluoroalkyl substance exposure and reduced length of gestation Nature Communications ·Kaitlin R. Taibl, Anne L. Dunlop, Dana Boyd Barr, Yuanyuan Li, Stephanie M. Eick, Kurunthachalam Kannan, P. Barry Ryan, 席庆文, Blake R. Rushing, Timothy R. Fennell, Che-Jung Chang, Youran Tan, Carmen J. Marsit, Dean P. Jones, Donghai Liang	2023	59
7	Pregnancy-related hemodynamic biomarkers in relation to trimester-specific maternal per - and polyfluoroalkyl substances exposures and adverse birth outcomes Environmental Pollution ·Kaitlin R. Taibl, Donghai Liang, Anne L. Dunlop, Dana Boyd Barr, Matthew Ryan Smith, Kyle Steenland, Youran Tan, P. Barry Ryan, Parinya Panuwet, Todd M. Everson, Carmen J. Marsit, Kurunthachalam Kannan, Dean P. Jones, Stephanie M. Eick	2023	21
8	Phytoremediation of Lead‐Contaminated Soil in the Westside of Atlanta, GA GeoHealth ·Xin Yao, Eri Saikawa, Scott D. Warner, Priya E D'Souza, P. Barry Ryan, Dana Boyd Barr	2023	6
9	Metabolome-wide association study of the relationship between chlorpyrifos exposure and first trimester serum metabolite levels in pregnant Thai farmworkers Environmental Research ·Donghai Liang, Apurva Dawale, Nancy Fiedler, Tippawan Prapamontol, Panrapee Suttiwan, Parinya Panuwet, Warangkana Naksen, Brittney O. Baumert, S.J. Lee, Youran Tan, Priya E D'Souza, Ampica Mangklabruks, 義一平田, Erlange Elisme, W Zhang, جلیل دلخواه, Rui SATOU, P. Barry Ryan, Dana Boyd Barr, (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown), (unknown)	2022	8
10	Use of high-resolution metabolomics to assess the biological perturbations associated with maternal exposure to Bisphenol A and Bisphenol F among pregnant African American women Environment International ·Engluy Khov, Youran Tan, Dana Boyd Barr, P. Barry Ryan, ViLinh Tran, Zhenjiang Li, Yi‐Juan Hu, Alicia K. Smith, Dean P. Jones, Anne L. Dunlop, Donghai Liang	2022	22
11	High-resolution metabolomics of exposure to tobacco smoke during pregnancy and adverse birth outcomes in the Atlanta African American maternal-child cohort Environmental Pollution ·Youran Tan, Dana Boyd Barr, P. Barry Ryan, Veronika Fedirko, Jeremy A. Sarnat, Audrey J. Gaskins, Che-Jung Chang, T Nycz, Carmen J. Marsit, Elizabeth J. Corwin, Dean P. Jones, Anne L. Dunlop, Donghai Liang	2021	29
12	Investigation of Prenatal Pesticide Exposure and Neurodevelopmental Deficits in Northern Thailand: Protocol for a Longitudinal Birth Cohort Study JMIR Research Protocols ·Brittney O. Baumert, Nancy Fiedler, Tippawan Prapamontol, Panrapee Suttiwan, Warangkana Naksen, Parinya Panuwet, 義一平田, Katsuhito Harada, Melissa M. Smarr, Carmen J. Marsit, P. Barry Ryan, Wattasit Siriwong, Mark Robson, Dana Boyd Barr	2021	7
13	Associations of single and multiple per- and polyfluoroalkyl substance (PFAS) exposure with vitamin D biomarkers in African American women during pregnancy Environmental Research ·Che-Jung Chang, Dana Boyd Barr, Qiang Zhang, Anne L. Dunlop, Melissa M. Smarr, Kurunthachalam Kannan, Parinya Panuwet, Vin Tangpricha, Liuhua Shi, Donghai Liang, Elizabeth J. Corwin, P. Barry Ryan	2021	29
14	Risk of dietary and breastmilk exposure to mycotoxins among lactating women and infants 2–4 months in northern India Maternal and Child Nutrition ·张元英, Ву Тхи Хыонг, Amy Girard, Sunita Taneja, Marília Muniz Cavalcante de Oliveira, Usha Ramakrishnan, Reynaldo Martorell, P. Barry Ryan, Kannan Rangiah, Melissa Young	2020	24
15	Serum per- and polyfluoroalkyl substance (PFAS) concentrations and predictors of exposure among pregnant African American women in the Atlanta area, Georgia Environmental Research ·Che-Jung Chang, P. Barry Ryan, Melissa M. Smarr, Kurunthachalam Kannan, Parinya Panuwet, Anne L. Dunlop, Elizabeth J. Corwin, Dana Boyd Barr	2020	70
16	Perspectives on Heavy Metal Soil Testing Among Community Gardeners in the United States: A Mixed Methods Approach International Journal of Environmental Research and Public Health ·Candis M. Hunter, Kim Schulte-Zurhausen, Matthew O. Gribble, M FARAMARZPOUR, Melanie Pearson, Eri Saikawa, P. Barry Ryan, Michelle C. Kegler	2019	13
17	O-044 Epidemiology ·P. Barry Ryan, 陈观福, Parinya Panuwet, Surat Hongsibsong, Warangkana Naksen, S Makinanukul, 清徳来島, 克之河井, Priya E D'Souza, Ronald E. Hunter, Xianyu Chen, Anne M. Riederer, Dana Boyd Barr	2012	1
18	Have Regulatory Efforts to Reduce Organophosphorus Insecticide Exposures Been Effective? Environmental Health Perspectives ·Ulrich Hofmann, P. Barry Ryan, Dana Boyd Barr	2012	42
19	Dietary exposure to chlorpyrifos and levels of 3,5,6-trichloro-2-pyridinol in urine Journal of Exposure Science & Environmental Epidemiology ·David L. MacIntosh, Caroline W. Kabiru, SCOTT L ECHOLS, P. Barry Ryan	2001	42
20	Interim results of the study of particulates and health in Atlanta (SOPHIA) Journal of Exposure Science & Environmental Epidemiology ·Paige E. Tolbert, Mitchel Klein, Afroza Parvin, Jennifer L. Peel, W. Dana Flanders, Knox H. Todd, James A. Mulholland, P. Barry Ryan, Howard Frumkin	2000	68

About P. Barry Ryan

P. Barry Ryan is a scholar working on Health, Toxicology and Mutagenesis, Environmental Chemistry, Pollution, Chemical Health and Safety and Environmental Engineering, having authored 158 papers that have together received 7.0k indexed citations. Recurring topics across this work include Air Quality and Health Impacts (44 papers), Pesticide Exposure and Toxicity (32 papers), Toxic Organic Pollutants Impact (23 papers), Per- and polyfluoroalkyl substances research (21 papers), Effects and risks of endocrine disrupting chemicals (15 papers), Pesticide and Herbicide Environmental Studies (15 papers), Pesticide Residue Analysis and Safety (13 papers) and Air Quality Monitoring and Forecasting (12 papers). The work is most often cited by research in Health, Toxicology and Mutagenesis (3.8k citations), Environmental Chemistry (1.1k citations), Nephrology (744 citations), Pollution (794 citations) and Speech and Hearing (387 citations). P. Barry Ryan has collaborated with scholars based in United States, Thailand and India. Frequent co-authors include Dana Boyd Barr, Parinya Panuwet, Kyle Steenland, Scott M. Bartell, Harold L. Moore, David L. MacIntosh, James A. Mulholland, Paige E. Tolbert, Howard Frumkin and Ronald E. Hunter. Their work appears in journals such as Environmental Health Perspectives, Environment International, Journal of Exposure Science & Environmental Epidemiology, Environmental Science & Technology and Environmental Research.

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

Explore authors with similar magnitude of impact