35.

S.Choi, "Advancements, Applications, and Challenges of Miniature Microbial Fuel Cells," 2025 MRS Spring (su04-Protons in Solids, Fluids, and Molecules), Seattle, Washington, April 7-11, 2025.

34.

S.Choi, "Micro-, Nano-, Bio-technologies for Medical Applications," at the Medical Engineering Department, University of South Florida, September 30, 2024.

33.

S.Choi, "Advanced Materials and Manufacturing Processes for Transient Papertronics," The Minerals, Metals, and Materials Society (TMS), Orando, FL, USA, March 3-7, 2024.

32.

S.Choi, "Paper-based Biosensors and Biobatteries for Wearable Applications," IEEE International Conference on Flexible, Printable Sensors and Systems (FLEPS), Boston, USA, July 9-12, 2023.

31.

S.Choi, "Paper-based Devices for Flexible and Wearable Applications," 2023 MRS Spring, San Francisco, CA, April 10-14, 2023.

30.

S.Choi, "Biofuel Cells," PowerMEMS 2022, Salt Lake City, UT, USA, Dec. 12, 2022.

29.

S.Choi, "Papertroincs," LG Electronics Inc., Sep. 1, 2022.

28.

S.Choi, "Papertroincs and Paperfluidics," 2022 MRS Spring (SF03 - Paper-based packaging) , Honolulu, Hawaii, May 8-13, 2022.

27.

S.Choi, "Bacteria-powered batteries," a Distinguished Mercer Lecture, Rensselaer Polytechnic Institute, December 8th, 2021.

26.

S.Choi, "Electronic Bacteria for Powering, Sensing, and Synthesizing," Build-a-Cell Seminar Series (https://www.buildacell.org/seminars), Nov. 22nd, 2021.

25.

S.Choi, "Bacteria-Powered Batteries," The Korean Society for Biotechnology and Bioenineering - Recent Applications of Bioelectrochemical Technology for Sustainable Energy and Environment Session, Oct. 6-9, 2021.

24.

S.Choi, "Papertronics for Internet of Disposable Things," 32nd Annual Electronics Packaging Symposium (Virtual), Septermber 9th, 2021.

23.

S.Choi, Keynote Speaker, "Bacteria-Powered Biobatteries," 30th Northeast Regional Conference of Korean-American Sientists and Engineering Association, April 3rd, 2021.

22.

S.Choi, “Microscale Engineering to Electromicrobiology,” Temple University (Online Talk), Dec. 2nd, 2020.

21.

S.Choi, “Microscale Engineering to Electromicrobiology,” University of Massachusetts Amberst (Online Talk), Nov. 11th, 2020.

20.

S.Choi, “Microscale Engineering to Electromicrobiology,” North Carolina State University, March 6th, 2020.

19.

S.Choi, “Biogenic Nanoparticles on Exoelectrogens,” 2020 TMS Annual Meeting & Exhibition, Feb. 23-27, San Diego, CA, USA, 2020

18.

S.Choi, “Powering Biosensors with Disposable Biobatteries,” Keynote Speaker, 12th International Conference & Exhibition on Biosensors & Bioelectronics, Oct. 25-26, Vancouver, Canada, 2019

17.

S.Choi, “Powering Patertronics and Fibertronics with Biobatteries,” 31th Annual Electronics Packaging Symposium - Small Systems Integration, Sep. 5-6, Niskayuna, NY, USA, 2019

16.

S.Choi, “Biopower-on-paper,” Science Foo Camp 2019,  July. 12-14, Mountain View, CA, USA, 2019

15.

S.Choi, “Microorganisms to Generate Electricity,” 2019 MRS Spring, Apr. 22-26, Phoenix, Arizona, USA, 2019

14.

S.Choi, “Microscale Engineering to Electromicrobiology,” Johns Hopkins University, Mar. 15th, 2019

13.

S.Choi, “Microscale Engineering to Electromicrobiology,” Tufts University, Feb. 15th, 2019

12.

S.Choi, “Microscale Engineering to Electromicrobiology,” Princeton University, Jan 16th, 2019

11.

S.Choi, “Micro- & Nano-medical Technologies and Applications,” University of Rochester Medical Center, December 20th, 2018

10.

S.Choi, “Powering point-of-care diagnostic devices with disposable biobatteries,” IEEE NANOMED 2018, December 2th - 5th, Hawaii, USA, 2018

9.

S.Choi, “Merging electronic baceria with paper,” ACS Boston Symposium, August 19th - 23th, Boston, USA, 2018

8.

S.Choi, “On-demand power generation from lyophilized exoelectrogens,” 2018 MRS Spring, April 2th - 6th, Phoenix, USA, 2018

7.

S.Choi, “Paper biobatteries,” the University of New Hampshire, Nov. 17th, 2017  

6.

S.Choi, “Paper-based biobatteries,” The 2nd Annual Summit on Science Enablement for the Sustainable Development Goals (The New York Academy of Science), Oct. 17th, 2017  

5.

S.Choi, “A Body-fluid activated Paper Biobattery,” 2017 US-Korea Conference, August 9th - 12th, Washington DC, USA, 2017

4.

S.Choi, “Paper-based Baiobatteries,” Panelist for the NSF Workshop on Papertronics: Paper-based Electronics for the 21st centry, Sep. 12-14, 2016, Arlington, VA, USA

3.

S.Choi, “A microbial fuel cell,” NSUNY 4E Workshop on Energy & Sustainability, Nov. 20-21, Binghamton, NY, USA, 2014

2.

S. Choi, "Micro Microbial Fuel Cells", The Center for Advanced Sensors and Environmental Systems (CASE) workshop, Mar. 22, 2013, Binghamton University, Binghantom, USA

1.

S. Choi “BioMEMS Devices and ackaging,” IEEC TAB meeting, Oct. 2, 2012, Binghamton University,  Binghamton, USA.