Wenqing Shi, Graduate student in Analytical Chemistry

















I received my B.S. in Chemistry major from Wuhan University in 2007 Fall.

In fall of 2011 I joined the Baker group and began my Ph.D. study. My major is Analytical Chemistry. My project is based on the principle and fundametal of current rectification in nanopipette. Moreover, I utilized a carbon ring/nanopore electrode which was fabricated from a quartz nanopipette coated with pyrolyzed parylene C (PPC) and further insulated with parylene C to study the influence of ion current rectification effect on voltage-driven delivery of charged species. In the future, I’m interested in using this carbon ring electrode to further investigate its delivery capability and perform single cell electroporation (SCEP) in biological system.




Shi, W.; Sa, N.; Thakar, R.; Baker, L.A. “Nanopipette Delivery: Influence of Surface Charge.” Analyst, Advanced Article, 2015. (http://dx.doi.org/10.1021/nn4050485)





Weber, A. E.; Shi, W.; Baker, L.A. Electrochemical Applications of Scanning Ion Conductance Microscopy. In Electroanalytical Chemistry; Bard, A.J., Zoski, C. Eds.; 2014, accepted.



nn-2013-050485_0008_toc niyaSa, N.; Lan, W.; Shi, W.; Baker, L.A.“Probe to Substrate Distance Dependent Localized Charge Effect on Ion Transport through a Nanopipette.ACS Nano, 2013, 7, 11272–11282.(http://dx.doi.org/ 10.1039/C4AN01073F)





Zhou, Y.; Bright, L.; Shi, W.; Aspinwall, C.A.; Baker, L.A. Ion channel probes for scanning ion conductance microscopy, Langmuir, 2014, accepted.(http://dx.doi.org/10.1021/la504097f)




Shi, W.; Sa, N.; Thakar, R.; Baker, L.A. “Surface­charge Dependent Voltage­driven Delivery Utilizing Ion Current Rectification Effect.” 64nd Pittsburgh Conference, Chicago, IL, Mar. 2014.

Shi, W.; Sa, N.; Thakar, R.; Baker, L.A. “Real­time Detection of Localized Voltage­driven Delivery with Ion Current Rectification Effect.” 246th American Chemistry Society (ACS) National Meeting, Indianapolis, IN, Sept. 2013.

Shi, W., Sa, N., Baker, L.A. “Real­time Detection of Localized Voltage­driven Delivery with Ion Current Rectification Effect.” NOBCChe Research Symposium, Indiana University, Bloomington, IN, Oct. 2013.

Shi, W., Sa, N., Baker, L.A. “Real­time Detection of Localized Voltage­driven Delivery with Ion Current Rectification Effect.” Turkey Run Analytical Chemistry Conference, Marshall, IN, Sept. 2013.

Shi, W., Sa, N., Baker, L.A. “Studies of Concentration Polarization Effect in Nanopipettes” Turkey Run Analytical Chemistry Conference, Marshall, IN, Nov. 2012.

Shi, W., Sa, N., Baker, L.A. “Electrochemical and Fluorescent Microscopy Studies of Ion Transport in Nanopipettes

NOBCChe Research Symposium, Indiana University, Bloomington, IN, Sept. 2012.

Shi, W., Sa, N., Baker, L.A. “Electrochemical and Fluorescent Microscopy Studies of Ion Transport in Nanopipettes

NOBCChe Research Symposium, Indiana University, Bloomington, IN, Sept. 2012.

Shi, W.; Cui, C.; Hu, B. “Restricted Accessed Ions Imprinting Polymers as a Solid Phase Extraction Material for the Analysis of the Metal Ions in Human Body Fluids

Student Research and Teaching Symposium, Wuhan University, Wuhan, China, Jun. 2011.


2013 Fall           Associate Instructor            A315 Analytical Instrumentation Laboratory

2013 Spring      Associate Instructor            C117 Principles of Chemistry and Biochemistry

2012 Fall          Associate Instructor            C117 Principles of Chemistry and Biochemistry

2012 Spring      Associate Instructor            C117 Principles of Chemistry and Biochemistry

2011 Fall           Associate Instructor            C117 Principles of Chemistry and Biochemistry


Member: American Chemical Society,

Member: Electroanalytical Chemistry, Electrochemical Society