Bikram Subedi

Estimation of Drug Consumption via Wastewater Analysis:

• Press Release - American Chemical Society. ‘Flushing’ out drug use trends early in the COVID-19 pandemic

• Press Release - American Chemical Society. Illicit drug use could be higher than previously thought; soars during special events.

• Yahoo. The Solar Eclipse of 2017 Had a Significant Effect on America's Drug Use.

• NewScientist Opioid levels in US wastewater spiked during the early pandemic months

• Discover Magazine. People Were Definitely High For the 2017 Solar Eclipse, Study Finds.

• The Outline. America can lie about its drug problem, but its sewage can’t.

• Technology Network. Sewage Analysis Reveals Scale of America's Drug Problems. 

• Quartz. Drug testing sewers show that Americans get lit during holidays and special events. 

• Inverse. The Solar Eclipse of 2017 had a Significant Effect on America's Drug Use. America's Sewage is Revealing Its Drug Habit.

• IFL Science. Americans Are Using Way More Party Drugs Than We Thought, According To Their Poop. 

• Medical Research. Illicit Drug Use Spikes During Special Events.

• Gizmodo. Sewage Study Finds American Drug Use May Be Worse Than We Thought.

• Science Daily. Illicit drug use could be higher than previously thought; soars during special events

• WKMS, an NPR Station. Murray State Researchers Find Illicit Drugs in West Kentucky Water Sources.

• WPSD Local 6 and Hooked On Science. Eclipse High.

• Inside Science. Sewage Suggests That People Got High For 2017 Eclipse.

• LEX 18. Scientific Study Says A Lot Of People Were High During KY Eclipse.

• Murray Ledger & Times. MSU study tests wastewater for drug use.

• Blue & Gold, Murray State University. The consumption of illicit drugs in two western Kentucky communities.

• Press Release - American Chemical Society. Gauging local illicit drug use in real time could help police fight abuse.

• BBC Future. Are sewers flooded with illegal drugs?

• LC/GC Chromatography Online. Analysis of wastewater in New York State indicates illicit drug consumption.

• NDTV. New Method May Aid the War on Drugs.

• Popular Science. Real-time wastewater analysis shows what drugs are being used where

• Science News for Students. Artificial sweeteners pollute streams

Estimation of SARS-CoV-2 Virus in Community via Wastewater Analysis:

• WPSD Local 6 - TV. Kentucky Groups Use Wastewater Testing in Mayfield to Detect COVID-19 Outbreaks Early.

• WKMS-FM. Wastewater Testing Finds COVID-19 Spikes in Western Kentucky County.

• Murray State News. Mayfield Wastewater Testing Offers Early Warning of COVID-19 Outbreaks.

• KFVS 12-TV. Mayfield Kentucky Wastewater Testing Project Helps Pin Point Community COVID-19 Outbreaks.

• Paducah Sun. Wastewater Testing Helps Pinpoint COVID Outbreaks.

• Murray Ledger & Times. MSU Professors Analyze Wastewater to Determine COVID-19 Prevalence.

• Murray State Blue & Gold. Murray State University Chemistry and Biology Labs Testing Wastewater to Help Identify Potential COVID-19 Outbreaks.

• The Murray State News. Professors Test Wastewater to Further Prevent COVID-19.

• WestKentuckyStar. Murray State Tests Mayfield Wastewater for COVID.

• Hoptown Chronicle. Mayfield Wastewater Testing Offers Early Warning of COVID-19 Outbreaks, Foundation Says.

Synergistic Activities

• Secretary, Environmental Chemistry Division of the American Chemical Society

• Chair, Kentucky Lake Section, American Chemical Society

• Chair of Certificate of Merit Award – Environmental Chemistry Division of ACS

• Assistant Secretary – Environmental Chemistry Division of American Chemical Society

• Served as an Editor of ENVR ACS newsletter – Environmental Chemistry Division of ACS

Peer-Reviewed Publications

View Dr. Bikram Subedi's Google Scholar Profile

Original Research Articles

1. Bade, R., Herwerden, D., (+26 coauthors), Subedi, B., (+5 coauthors), Mueller, J. F. Workflow to facilitate the detection of new psychoactive substances and drugs of abuse in influent urban wastewater. Journal of Hazardous Materials 2024, 469, 133955.

2. Delcher, C., Quesinberry, D., Torabi, S., Berry, S., Keck, J., Rani, A., Subedi, B. Wastewater surveillance for xylazine in Kentucky. American Journal of Preventive Medicine 2024, 3, 100203.

3. Bade, R., Rousis, N., (+30 coauthors), Subedi, B., (+9 coauthors), Mueller, J. F. Three years of wastewater surveillance for new psychoactive substances from 16 countries. Water Research X 2023, 19, 100179.

4. Gray, K.E., Delcher, C., Shin, E., Whitt, T.A., Windhorst, A.M., Nath, G., Subedi, B. Drugs Discharged along Interstate Highway Restroom Facilities in Kentucky: Wastewater Analysis. Environmental Science & Technology Letters 2022, 9, 758-764.

5. Bade, R., (+20 coauthors), Subedi, B.; Shao, X.T., Yargeau, V., Zuccato, E., Gerber, C. A Taste for New Psychoactive Substances: Wastewater Analysis Study of 10 Countries. Environmental Science & Technology Letters 2022, 9, 57-63.

6. Montgomery, A, Bowers, I., Subedi, B. Trends in substance use in two U.S. communities during early COVID-19 lockdowns based on wastewater analysis. Environmental Science and Technology Letters 2021.

7. Subedi, B., Anderson, S., Croft, T., Rouchka, E., Zhang, M., Hammond-Weinberger, D. Gene alteration in zebrafish exposed to a mixture of substance of abuse. Environment Pollution 2021, 278, 116777.

8. Bowers, I., Subedi, B. Isoprostanes in wastewater as biomarkers of oxidative stress during COVID-19 pandemic. Chemosphere 2021, 271, 129489.

9. Lemas, D. J.; Loop, M. S.; Duong, M.; Schaeffer, A.; Collins, C.; Bowden, J. A.; Du, X.; Patel, K.; Ciesielski, A. L.; Ridge, Z.; Wagner, J.; Subedi, B.; Delcher, C. Estimating drug consumption during a college sporting event from wastewater using liquid chromatography mass spectrometry. Science of The Total Environment 2021, 764, 143963.

10. Montgomery, A., O’Rourke, C., Subedi, B. Basketball and drugs: Wastewater-based epidemiological estimation of discharged drugs during basketball games in Kentucky. Science of The Total Environment 2020, 752, 141722.

11. O’Rourke, C., Subedi, B.  Occurrence and mass loading of synthetic opioids, synthetic cathinones, and synthetic cannabinoids in wastewater treatment plants in four U.S. communities. Environmental Science and Technology 2020, 54, 6661-6670.

12. Croft, T.L., Huffines, R.A., Pathak, M., and Subedi, B. Prevalence of illicit and prescribed neuropsychiatric drugs in three communities in Kentucky using wastewater-based epidemiology and Monte Carlo simulation for the estimation of associated uncertainties. Journal of Hazardous Materials 2020, 384, 121360.

13. Dhungana, B.; Peng, H.; Kutarna, S.; Umbuzeiro, G.; Shrestha, S.; Liu, J.; Jones, P.D.; Subedi, B.; Giesy, J.P.; Cobb, G.P. Abundances and concentration of brominated azo dyes detected in indoor dust. Environmental Pollution 2019, 252, 784-793.

14. Foppe, K.S., Weinberger, D., and Subedi, B. Estimation of the consumption of illicit drugs during special events in two communities in Western Kentucky, USA. Scienceof The Total Environment 2018, 633, 249-256.

15. Skees, A.J., Foppe, K.S., Loganathan, B., and Subedi, B. Contamination profiles, mass loadings, and sewage epidemiology of neuropsychiatric and illicit drugs in wastewater and river waters from a community in the Midwestern United States. Science of The Total Environment 2018, 631-632, 1457-1464.

16. Subedi, B., Sullivan, K.D., and Dhungana, B. Phthalate and non-phthalate plasticizers in indoor dust from childcare facilities, salons, and homes across the USA. Environmental Pollution 2017, 230, 701-708.

17. Meszaros, N., Subedi, B., Stamets, T., and Naima, S. Assessment of Surface Water Contamination from Coalbed Methane Fracturing-Derived Volatile Contaminants in Sullivan County, Indiana, USA. Bulletin of Environmental Contamination and Toxicology 2017, 99 (3), 385-390.

18. Subedi, B., Balakrishna, K., Joshua, D. I., and Kannan, K. Mass loading and removal of pharmaceuticals and personal care products including psychoactives, antihypertensives, and antibiotics in two sewage treatment plants in southern India. Chemosphere 2017 167, 429-437.

19. Subedi, B., Balakrishna, K., Sinha, R. K., Yamashita, N., Balasubramanian, V.G., and Kannan, K. Mass loading and removal of pharmaceuticals and personal care products, including psychoactive and illicit drugs and artificial sweeteners, in five sewage treatment plants in India. Journal of Environmental Engineering2015 4 (3), 2882-2891.

20. Subedi, B., Codru, N., Dziewulski, D. M., Wilson, L. R., Xue, J., Yun, S., Braun-Howland, E., Minihane, C. and Kannan, K. A pilot study on the assessment of trace organic contaminants including pharmaceuticals and personal care products from on-site wastewater treatment systems along Skaneateles Lake in New York State, USA. Water Research 2015, 72, 28-39.

21. Subedi, B. and Kannan, K. Occurrence and fate of select psychoactive pharmaceuticals and antihypertensives in two wastewater treatment plants in New York State, USA. Science of the Total Environment2015, 514, 273-280.

22. Subedi, B. and Kannan, K. Fate of artificial sweeteners in wastewater treatment plants in New York State. Environmental Science and Technology 2014, 48 (23), 13668-13674.

23. Subedi, B. and Kannan, K. Mass loading and removal of select illicit drugs in two wastewater treatment plants in New York State and estimation of illicit drug usage in communities through wastewater analysis. Environmental Science and Technology 2014, 48 (12), 6661-6670.

24. Subedi, B., Lee, S., Moon, H. B., and Kannan, K. Emission of artificial sweeteners, select pharmaceuticals, and personal care products through sewage sludge. Environment International 2014, 68, 33-40.

25. Subedi, B., Yun, S. H., Jayaraman, S., Bergen, B. J., and Kannan, K. Retrospective monitoring of persistent organic pollutants in Blue Mussels (Mytilus edulis) and sediments from New Bedford Harbor, MA, USA.Environmental Monitoring and Assessment. 2014, 186 (8), 5273-5284.

26. Subedi, B., Aguilar, L., Williams, E. S., Brooks, B. W., and Usenko, S. Selective pressurized liquid extraction technique capable of analyzing dioxins, furans, and PCBs in clams and crab tissue. Bulletin of Environmental Contamination and Toxicology. 2014, 92 (4), 460-465.

27. Subedi, B., Lee, S., Moon, H. B., and Kannan, K. Psychoactive pharmaceuticals in sludge and their emission from wastewater treatment facilities in Korea. Environmental Science and Technology, 2013, 47(23), 13321-13329.

28. Robinson, E., Trumble, S., Subedi, B., Sanders, R., and Usenko, S. Selective pressurized liquid extraction of pesticides, polychlorinated biphenyls and polybrominated diphenyl ethers in a whale earplug (earwax): A novel method for analyzing organic contaminants in lipid-rich matrices. Journal of Chromatography A. 2013, 1319, 14-20.

29. Subedi, B., Du, B., Chambliss, C. K., Koschorreck, J., Rüdel, H., Quack, M., Brooks, B. W., and Usenko, S.Occurrence of pharmaceuticals and personal care products in German fish tissue: a national study. Environmental Science and Technology, 2012, 46(16), 9047–9054.

30. Subedi, B. and Usenko, S. Enhanced pressurized liquid extraction technique capable of analyzing polychlorodibenzo-p-dioxins, polychlorodibenzofurans, and polychlorobiphenyls in fish tissue. Journal of Chromatography A, 2012, 1238, 30-37.

31. Subedi, B., Mottaleb, M. A., Chambliss, C. K., and Usenko, S. Simultaneous analysis of select pharmaceuticals and personal care products in fish tissue using pressurized liquid extraction combined with silica gel cleanup. Journal of Chromatography A, 2011, 1218, 6278–6284.

Review Articles

32. Balakrishna, K, Rath, A., Praveenkumarreddy, Y., Guruge, K.S., and Subedi, B. A review of the occurrence of pharmaceuticals and personal care products in Indian water bodies. Ecotoxicology and Environmental Safety, 2017 137, 113-120.

33. Subedi, B., Aguilar, L., Robinson, E., Hageman, K.J., Björklund, E., Sheesley, R.J., and Usenko, S. Selective pressurized liquid extraction as a sample-preparation technique for persistent organic pollutants and contaminants of emerging concern. TrAC Trends in Analytical Chemistry, 2015 68, 119-132.

34. Ma, W. L., Subedi, B., and Kannan, K. The occurrence of bisphenol A, phthalates, parabens and other environmental phenolic compounds in house dust: A review. Current Organic Chemistry, 2014, 18 (17), 2182-2199.

Book


35. Subedi, B.; Burgard, D. A.; Loganathan, B. G. (Eds). Wastewater-based Epidemiology: Estimation of Community Consumption of Drugs and Diets. ACS Symposium Series 1319; American Chemical Society: Washington, DC, 2019.

Book and Book Chapters

36. Loganathan, B. G., Ahuja, S., Subedi, B. Synthetic organic chemical pollutants in water: Origin, distribution, and implications for human exposure and health. In Contaminants in Our Waster: Identification and Remediation Methods. Ahuja, S.; Loganathan, B. G. ACS Symposium Series 1352; American Chemical Society: Washington, DC, 2020.

37. Subedi, B. Uncertainties associated with wastewater-based epidemiology for the estimation of community consumption of drugs. In Wastewater-based Epidemiology: Estimation of Community Consumption of Drugs and Diets. Subedi, B.; Burgard, D.A.; Loganathan, B.G. (Eds). ACS Symposium Series 1319; American Chemical Society: Washington, DC,

38. Subedi, B.; Burgard, D.A. Wastewater-based epidemiology as a complementary approach to the conventional survey-based approach for the estimation of community consumption of drugs. In Wastewater-based Epidemiology: Estimation of Community Consumption of Drugs and Diets. Subedi, B.; Burgard, D.A.; Loganathan, B.G. (Eds). ACS Symposium Series 1319; American Chemical Society: Washington, DC,

39. Bisceglia, K.J.; Kroening, G.; Subedi, B. GC-MS methods for monitoring illicit drug biomarkers in wastewater: a critical review. In Wastewater-based Epidemiology: Estimation of Community Consumption of Drugs and Diets. Subedi, B.; Burgard, D.A.; Loganathan, B.G. (Eds). ACS Symposium Series 1319; American Chemical Society: Washington, DC,

40. Subedi, B., Loganathan, B. Environmental Emission of Pharmaceuticals from Wastewater Treatment Plants in the U.S.A. InPersistent Organic Chemicals in the Environment: Status and Trends in the Pacific Basin Countries II Temporal Trends; ACS Symposium Series 1244; American Chemical Society: Washington, DC, 2016; pp 181-202.

41. Foppe K.S., Subedi B. (2018) Analysis of Illicit Drugs in Wastewater Using High-Performance Liquid Chromatography-Electrospray Ionization-Tandem Mass Spectrometry (HPLC-ESI-MS/MS). In: Musah R. (eds) Analysis of Drugs of Abuse. Methods in Molecular Biology, vol 1810. Humana Press, New York, NY.

42. Subedi B. (2018) Estimation of Community Usage of Drugs Utilizing Sewage Epidemiology. In: Musah R. (eds) Analysis of Drugs of Abuse. Methods in Molecular Biology, vol 1810. Humana Press, New York, NY.

43. Shaw, S. D., Harris, J. H., Berger, M. L., Subedi, B., and Kannan, K. Brominated flame-retardants and Their Replacements in Food Packaging and Household Products: Uses, Human Exposure, and Health Effects.In Toxicants in Food Packaging and Household Plastics. Molecular and Integrative Toxicology, 2014, 61-93.

44. Usenko, S., Subedi, B., Aguilar, L., and Robinson, E. High-throughput analysis of PPCPs, PCDD/Fs, and PCBs in biological matrices using GC–MS/MS. In Advanced Techniques in Gas Chromatography-Mass Spectrometry (GC-MS-MS and GC-TOF-MS) for Environmental Chemistry. Comprehensive Analytical Chemistry, 2013, 61, 143-158.

2024

• Sapkota, A.; Delcher, C.; Stites, A.; Rani, A.; Jones, L.; Subedi, B. Drugs Detected at Rest Areas and Truck Servicing Facilities in Kentucky. Poster presentation at the American Chemical Society National Meeting, New Orleans, LA.

• Kodati, D.; Delcher, C.; Rani, A.; Stites, A.; Subedi, B. New Psychoactive Substances Detected in Rest Areas along the Interstate Highways. Poster presentation at the American Chemical Society National Meeting, New Orleans, LA.

• Kamuf, J.; Spier, T.; Subedi, B. Do Fish from Streams in West Kentucky Accumulate Illicit and Psychoactive Drugs? Poster presentation at the Posters At-The-Capitol, Frankfort, KY

2023

• Jones, L., Delcher, C., Stites, A., Rani, A., Windhorst, A., Gray, K.E., Nath, G., Subedi, B. Wastewater-based Epidemiological Determination of Drugs Discharged at the Rest Areas and Truck Servicing Facilities during Federal Holidays in the U.S. Poster presentation at the Society of
  Environmental Toxicology (SETAC) National Meeting in Louisville, Kentucky.

• Subedi, B., Antkiewicz, D.S., Berry, S., Burgard, D. Advancing Wastewater Surveillance to Complement Community and Environmental Health Measures. A Symposium organized at the Society of Environmental Toxicology (SETAC) National Meeting in Louisville, Kentucky.

• Subedi, B. Here Comes a “Zombie Drugs” on The Fight Over a Drug! A Science Café - invited talk by the Sigma XII Murray State University, Murray, Kentucky.

2022

• Subedi, B. Wastewater Based Epidemiology – A Non-invasive Tracking of Community Health. Invited Plenary Talk at the International Conference on Environmental, Agricultural, Chemical, and Biological Science (ICEACBS), Puducherry, India.

• Subedi, B. Wastewater – a Treasure Trove of Public Health. An Invited Platform Presentation at the Watershed Institute, Murray State University, KY.

• Windhorst, A.M., Gray, K.E., Delcher, C., Shin, E., Whitt, T.A., Nath, G., Subedi, B. Wastewater-based Epidemiological Determination of Drugs Discharged at the Rest Areas and Truck Servicing Facilities during Federal Holidays in the U.S. Poster presentation at the American Chemical Society National Meeting, Chicago, IL.

• Gray, K.E., Delcher, C., Shin, E., Whitt, T.A., Windhorst, A.M., Nath, G., Subedi, B. Wastewater-based Estimation of Substances Discharged at the Rest Areas and Truck Servicing Facility along the Interstate Highways in Kentucky. Oral presentation at the American Chemical Society National Meeting, Chicago, IL.

2021

• Gray, K.E., Delcher, C., Shin, E., Whitt, T.A., Windhorst, A.M., Nath, G., Subedi, B. Wastewater-based Estimation of Substances Discharged at the Rest Areas along the State Highways in Kentucky. Poster presentation at the Posters At-The-Capitol, Frankfort, KY.

• Hampton, H.; Revell, J.; Tylor, W., Subedi, B.  Significant spike in syringe use and drug consumption during COVID‐19 pandemic. Platform presentation at American Chemical Society National Meeting, Atlanta, GA.

• Bowers, I.; Subedi, B. Elevated community anxiety during COVID‐19 pandemic based on the quantified biomarkers of oxidative stress in wastewater. Platform presentation at American Chemical Society National Meeting, Atlanta, GA.

• Montgomery, A.; Bowers, I.; Subedi, B. Trends in drug consumption during COVID‐19 pandemic using wastewater‐ based epidemiology. Platform presentation at American Chemical Society National Meeting, Atlanta, GA.

2020

• Subedi, B. Detection of synthetic opioids, synthetic cathinones and synthetic cannabinoids in wastewater in the U.S. A promising community early-warning system. Oral Presentation at the VII International Conference on Novel Psychoactive Substances, November 2020 (Virtual).

• Montgomery, A.; O’Rourke, C. E.; Subedi, B. Basketball and Drugs: Estimation of Discharged Drugs During a High School and a College Basketball Game in Kentucky. Oral Presentation at the Kentucky Academy of Science (KAS) Annual Meeting 2020 (Virtual).

• O’Rourke, C.; Subedi, B. Determination of Cannabinoids, Cathinones, and Synthetic Fentanyls Using Wastewater-Based Epidemiology. Poster presentation at the 19th Posters At-The-Capitol, Frankfort, KY.

2019

• Huffines, R.A.; Mauk, J.E.; Nelson, B.M.; Croft, T.L.; Subedi, B. Is 24-hour composite sampling enough? Platform presentation at American Chemical Society 258th National Meeting, San Diego, CA.

• Subedi, B.; Burgard, D. Current status and future implications of wastewater-based epidemiology in the U.S. Testing the Wastes 2019 (4th International Conference on Wastewater Analysis) organized by the Sewage Analysis Core Group Europe (SCORE) and Peking University, China. Invited plenary talk in Guangdong, China.

• Huffines, R.; Croft, T.L.; Subedi, B. Consumption Profiles of Illicit and Neuropsychiatric Drugs in Urban and Rural Communities in Kentucky Using Sewage Epidemiology. Poster presentation at the 18th Posters At-The-Capitol, Frankfort, KY.

• Huffines, R.; Croft, T.L.; Subedi, B. Illicit and Neuropsychiatric Drugs in Urban and Rural Communities in Kentucky Using Sewage Epidemiology. Poster presentation at the 51st Annual Southeastern Undergraduate Research Conference (SURC) at the University of Tennessee, Martin, TN.

2018

• Croft, T.L., Foppe, K.S., Weinberger, D., and Subedi, B. Estimation of the consumption of illicit drugs during special events in two communities in Western Kentucky, USA using sewage epidemiology. Poster presentation at American Chemical Society 256th National Meeting, Boston, MA.

• Skees, A., Foppe, K.S., Loganathan, B., Subedi, B. Application of sewage epidemiology to determine community use rate of drugs: Neuropsychiatric and illicit drugs in wastewater and river waters from a community in the Midwestern United States. Poster presentation at American Chemical Society 256th National Meeting, Boston, MA.

• Subedi, B., Foppe, K.S., Weinberger, D. Are illicit drugs consumed more during celebrations? Platform Presentation at the American Chemical Society 256th National Meeting, Boston, MA.

• Subedi, B. Opportunities and challenges associated with sewage epidemiology Platform presentation at the American Chemical Society 256th National Meeting, Boston, MA.

• Subedi, B., Foppe, K.S., Weinberger, D. Are illicit drugs consumed more during celebrations? Platform presentation at the National IDeA Symposium of Biomedical Research Excellence (NISBRE) meeting, Washington, D.C.

• Foppe, K.S., Weinberger, D., and Subedi, B. Community Usage of Illicit Drugs in Western Kentucky, USA. Sigma XI Poster Competition at Murray State, Murray, KY.

• Foppe, K.S., Weinberger, D., Subedi. B. Are illicit drugs consumed more during celebrations? Platform Presentation at 41st Annual Area Collegiate Chemistry Meeting, University of Tennessee, Martin, TN.

• Foppe, K.S., Weinberger, D., and Subedi, B. Community Usage of Illicit Drugs in Western Kentucky, USA. Poster presentation at ACS 255th National Meeting, New Orleans, LA.

• Subedi, B., Foppe, K.S., Skees, A., Weinberger, D. Are illicit drugs consumed more during celebrations? Invited Platform Presentation at Kentucky Lake Section - American Chemical Society at Paris, TN.

2017

• Hulen, C., Hooks, C., Denney, N., Clark, L., Clark, G., Loganathan, B., Parr, B., Subedi, B. Polyunsaturated Fatty Acid Profile in Hemp-Fed Chicken Egg. Poster presentation at Fall Scholars Week, Murray State University, KY.

• Skees, A., Foppe, K. Subedi, B. Community Usage of Select Illicit and Prescribed Drugs and their Occurrence in the Clarks River. Poster presentation at Fall Scholars Week, Murray State University, KY.

• Hulen, C., Hooks, C., Denney, N., Clark, L., Clark, G., Loganathan, B., Parr, B., Subedi, B. Polyunsaturated Fatty Acid Profile in Hemp-Fed Chicken Egg. Poster presentation at Kentucky Academy of Science (KAS) Annual Meeting, Murray State University, KY.

• Skees, A., Foppe, K. Subedi, B. Community Usage of Select Illicit and Prescribed Drugs and their Occurrence in the Clarks River. Poster presentation at Kentucky Academy of Science (KAS) Annual Meeting, Murray State University, KY. 

• Subedi, B., Sullivan, K.D., and Dhungana, B. Phthalate and non-phthalate plasticizers in indoor dust from childcare facilities, salons, and homes across the USA. Poster presentation at ACS 254th National Meeting, Washington, D.C.

• Dhungana, B., Peng, H., Subedi, B., Jones, P. D., Giesy, J. P., Cobb, G. P. Untargeted screening and apportionment of brominated compounds in house dust. Poster presentation at ACS 254th National Meeting, Washington, D.C.

• Garrison, M., Pruett, H., Loganathan, B., and Subedi, B. Determination of priority metal contaminants in drinking and source water. Poster presentation at Sigma XII Poster Competition at Murray State University, Murray, KY.

• Garrison, M., Pruett, H., Loganathan, B., and Subedi, B. Determination of priority metal contaminants in drinking and source water. Poster presentation at 40th Area Collegiate Chemistry Meeting (ACCM) at Murray State University, Murray, KY.

2016

• Subedi, B. and Kannan, K. Sewage Epidemiology - Opportunities and Challenges. Oral platform presentation at Kentucky Academy of Science (KAS) Annual Meeting, Louisville, KY.

• Subedi, B. and Kannan, K. Mass loading, removal and environmental emission of select psychoactives, antihypertensives, and antibiotics from two sewage treatment plants in India. Oral platform presentation at SETAC North America 37th Annual Meeting, Orlando, FL.

2015

• Subedi, B. High-throughput analytical techniques and environmental fate of classic and emerging contaminants. An invited talk (anticipated) at Department of Chemistry and Biochemistry, DePauw University, Greencastle, IN.

• Subedi, B. High-throughput analytical techniques and environmental fate of emerging contaminants. Invited talk at Nepalese Society at Purdue University, Lafayette, IN.

2014

• Subedi, B. and Kannan, K. Illicit drugs in two wastewater treatment plants in New York State and estimation of illicit drug usage in communities through wastewater analysis. Oral platform presentation at SETAC North America 35th Annual Meeting, Vancouver, BC, Canada.

• Subedi, B. and Kannan, K. Fate of psychoactive pharmaceuticals in wastewater treatment plants in New York State. Poster presentation at SETAC North America 35th Annual Meeting, Vancouver, BC, Canada.

2013

• Robinson, E., Trumble, S., Subedi, B., and Usenko, S. Reconstructions of pesticides, polychlorinated biphenyls, polybrominated diphenyl ethers, and mercury profiles in gray and blue whale earplugs. Poster presentation at American Chemical Society 246th National Meeting, Indianapolis, IN.

• Aguilar, L., Subedi, B., Williams, S., Bruce, E. D., Brooks, B. W., and Usenko, S. San Jacinto River waste pits, Texas: analysis of polychlorinated dibenzo-p-dioxins, furans, and biphenyls in surficial river sediment. Poster presentation at American Chemical Society 246th National Meeting and Exposition, Indianapolis, IN.

2012

• Subedi, B., Aguilar, L., Williams, S., Bruce, E. D., Brooks, B. W., and Usenko, S. Dioxins, furans and polychlorobiphenyls in fish, crabs, and clams from San Jacinto River Waste Pits. Poster presentation at SETAC 6th World Congress Meeting, Berlin, Germany.

• Subedi, B. and Usenko, S. Novel high-throughput pressurized liquid solid phase extraction technique capable of analyzing polychlorodibenzo-p-dioxins, polychlorodibenzofurans and polychlorobiphenyls in fish tissue. Oral platform presentation at American Chemical Society 242nd National Meeting, Denver, CO.

2011

• Subedi, B., Aguilar, L., Williams, S., Bruce, E. D., Brooks, B. W., and Usenko, S. Dioxins, furans and polychlorobiphenyls in fish, crabs, and clams from San Jacinto River Waste Pits. Oral platform presentation at SETAC North America 32nd National Meeting, Boston, MA.

• Subedi, B. and Usenko, S. Simultaneous pressurized liquid extraction with silica, florisil, celite, carbopak, and alumina cleanup technique: polychlorodibenzo-p-dioxins, polychlorodibenzofurans, and polychlorobiphenyls in fish. Oral platform presentation at South Central Regional, SETAC Meeting, Denton, TX.

2010

• Subedi, B., Du, B., Chambliss, C. K., Koschorreck, J., Brooks, B. W., and Usenko, S. Analysis of personal care products in German fish tissue by GC–MS/MS: a nationwide study. Poster presentation at SETAC North America 31st National Meeting, Portland, OR.

• Subedi, B., Du, B., Chambliss, C. K., Koschorreck, J., Brooks, B. W., and Usenko, S. Analytical improvements for pharmaceutical and personal care products analysis in fish tissue. Oral platform presentations at SETAC South Regional Meeting, Junction, TX.

• Subedi, B., Du, B., Chambliss, C. K., Koschorreck, J., Brooks, B. W., and Usenko, S. Analysis of personal care products in German fish tissue by GC–MS/MS: a nationwide study. Poster presentations at SETAC South Regional Meeting, Junction, TX.

Professional Awards/honors

1. Outstanding Research Award – 2021, Jones College of Science, Engineering and Technology, Murray State University–

2. Neil V. Weber Award for Excellence in the Jones College of Science, Engineering and Technology– 2020-21, Murray State University

3. Emerging Scholar Award – 2019, Murray State University Alumni Association

4. KarlHussung Professor of Chemistry 2019-2020, Murray State University

5. Outstanding Professional Member Research Award – 2019, American Chemical Society (ACS)- Kentucky Lake Section

6. Editor of envirofACS Newsletter of Environmental Chemistry Division of ACS (Since 2017)

7. Chair of Publications/Publicity Committee, Chair of Certificate of Merit Award, Division of Environmental Chemistry, American Chemical Society (Since 2017)

8. Awards Committee, Kentucky Lake Section - American Chemical Society (ACS)

9. Graduate Student Award in Environmental Chemistry, American Chemical Society (2012)

10. Best Ph.D. Student Platform Presentation Award, Second Place, SETAC North America 32^nd Annual Meeting, Boston (2011)

11. Best Student Platform Presentation Award, Second Place, South Central Regional SETAC Meeting, Denton, TX (2011)

Student's Awards/honors

1. Undergraduate Student Award in Environmental Chemistry (2021), ENVR Division of ACS for outstanding undergraduate research

2. Best Undergraduate Research Award (2019) at the Kentucky Lake Section – American Chemical Society.

3. Second Place Undergraduate Poster Award (2019) in Analytical/Physical Chemistry Division at the KAS national meeting in Berea College, Berea, KY.

4. Best Poster Presentation Award (2019) at the 51st Annual Southeastern Undergraduate Research Conference (SURC) at the University of Tennessee, Martin, TN.

5. 2019 Sigma XI Outstanding Undergraduate Student Research Award at Murray State University, Murray, KY.

6. 2019 Sigma XI Best Poster Award (general poster category) at Murray State University, Murray, KY.

7. First Place Undergraduate Poster Award (2018) in Analytical/Physical Chemistry Division at the KAS national meeting in Bowling Green, KY.

8. Undergraduate Research Award in Environmental Chemistry (2018), ENVR Division of ACS for her outstanding undergraduate research

9. Certificate of Merit award (2018) for her excellent presentation from the ENVR division of American Chemical Society

10. Undergraduate Award in Analytical Chemistry (2018) by the Analytical Chemistry division of American Chemical Society

11. Sigma Xi - Best Poster Award (2018) in general category at MSU

12. Sigma Xi - Outstanding Undergraduate Student Research Award (2018) at MSU

13. Sigma Xi - Outstanding Undergraduate Student Award (2018) at MSU

14. Selvi and Bommanna Loganathan Award (2018) for Outstanding Student Research at MSU

Dr. Subedi teaches the following Undergraduate and Graduate Chemistry courses at MSU:

• CHE 619/519 (Instrumental Analysis)

• CHE 628 (Mass Spectrometry)

• CHE 627 (Separation Science)

• CHE 352 (Basic Chemical Instrumentation)

• CHE 305 (Analytical Chemistry)

• CHE 202 (General Chemistry and Qualitative Analysis)

• CHE 201 (General College Chemistry)

• CHE 101 (Consumer Chemistry)

• CHE 495 (Senior Research)

• CHE 592 (Special Problems in Chemistry)

• CHE 593 (Special Problems in Chemistry)

• BIO 290 (Biomedical Research – I)

• BIO 388 (Biomedical Research – II)

Jones/Ross Research Center at Department of Chemistry provide the following instrumental accessibility for graduate and undergraduate students​:

• UPLC-DAD-MS/MS [Ultra Performance Liquid Chromatograph (Agilent 1290 Infinity) tandem with Diode Array Detector and Triple Quadrupole Mass Spectrometer (Agilent 6460)]

• HPLC-UV/Fluorescence [High Performance Liquid Chromatograph (Agilent 1200 Infinity) tandem with UV or Fluorescence Detector]

• GC-MS [Gas Chromatograph (Agilent 7890A) tandem with Mass Spectrometer (5975 MSD)]

• GC-FID/ECD [Gas Chromatograph (Agilent 7890A) tandem with Flame Ionization or Electron Capture Detector]

• ICP-OES [Inductively Coupled Plasma – Optical Emission Spectrometer (PerkinElmer’s Optima 2100 DV)]

• FAA/GFAA [Flame Atomic Absorption and Graphite Furnace Atomic Absorption Spectrometer (PerkinElmer’s AAnalyst 800 dual mode)]

• UV-Vis Spectrophotometer [PerkinElmer’s Lambda 35, Double Beam Focusing]

• Evaporation Unit [Thermo Scientific REACTI-VAP III]

• Solid Phase Extractor Glass Block Vaccum Manifold [Thermo Scientific HyperSep]

• Centrifuge [Thermo Scientific Sorvall ST 8; up to 4500 RPM]

• Ultrasonic Bath [Branson Ultrasonics CPX952318R, Model CPX3800H, bath volume 5.7 L]

• Ultrapure water system [Barnstead E-pure]

• Vortex, Refrigerator, and two -20 C Freezer.

• Tara Croft and Dr. Subedi presented oral and poster presentations at the ACS National Meeting in Boston, MA. Congratulations Tara on your first ever professional presentation!

• Dr. Subedi presented "Are Illicit Drugs Consumed More During Special Events?" at the National IDeA Symposium of Biomedical Research Excellence (NISBRE) meeting, Washington, D.C. (June 2018)

• Katelyn and Henry graduated. Katelyn accepted "Chemist" position at Biobot Analytics in Boston, MA and Henry started the Ph.D. program at the University of Kentucky. Congratulations both!

• Many congratulations to Katelyn for the following awards (April 2018):

  • Sigma Xi - Best Poster Award

  • Sigma Xi - Outstanding Undergraduate Student Research Award

  • Sigma Xi - Outstanding Undergraduate Student Award

  • Selvi and Bommanna Loganathan Award for Outstanding Student Research

• Katelyn's lead-author paper published in "Science of the Total Environment". Congratulation! (March 2018)

• Katelyn made her first scientific presentations at ACS National Meeting in New Orleans. Henry Pruett attended the meeting. Congratulation both! (March 2018)

• Allie's and Katelyn's first research paper accepted for publication in "Science of the Total Environment". Congratulation both! (March 2018)

• Dr. Subedi presented "Are Illicit Drugs Consumed More During Special Events?" at Kentucky Lake Section - American Chemical Society Meeting in Paris, TN. (February 2018)

• Cole Hulen graduated and accepted the "Chemist" position at Red Spot Paint and Varnish Co., Inc, Evansville, IN. Congratulation Cole! (January 2018)

• Allie Skees graduated, Congratulation Allie! (December 2017)

• Allie Skees and Cole Hulen presented research outcomes at Annual Meeting of Kentucky Academy of Science and Fall Scholars Week at Murray State University. (November 2017)

• Dr. Subedi presented "Phthalate and non-phthalate plasticizers in indoor dust from childcare facilities, salons, and homes across the USA" at ACS 254th National Meeting, Washington, D.C. (August 2017)

• Kenneth's first research paper published in Environmental Pollution. Congratulation! (July 2017)

• Dr. Subedi attended a Symposium on the Potential of Wastewater Testing for Public Health and Safety in Washington, D.C. (May 2017)

• Michael H. Garrison accepted the "Laboratory Technician" position at H.B. Fuller, Paducah, KY, and graduated. Congratulation Hunter! (May 2017)

• Dr. Subedi awarded with a competitive CISR Research Grant. (April 2017)

• Katelyn Foppe received highly competitive Grady L. Cantrell Sigma XI Scholarship for 2017-2018. Congratulations Katelyn! (April 2017)

• Dr. Subedi awarded with a KBRIN/NIH Research Grant. (February 2017)

• Kenneth Sullivan graduated. Congratulation Ken! (December 2016)