Assistant University

EDUCATION University of Minnesota Twin Cities ****-

present

Ph.D., Geochemistry, Water Resources Science

Ocean University of China

****-****

M.S., Chemical Oceanography,

Ocean University of China

2002-2006

B.S., Chemistry

SKILLS . Core expertise in the acquisition and interpretation of

Fourier-transform infrared spectroscopy (FTIR),

High-performance liquid chromatography (HPLC),

Excitation-emission matrix fluorescence spectroscopy (EEMs),

Fourier transform ion cyclotron resonance mass spectrometry

(FT-ICR-MS) and Uv-visible spectrometry, especially for

natural organic matter study in water systems.

. Skilled in geochemistry analysis of TOC, gamma density,

grain size, magnetic properties and

elemental/compositional/isotopic signatures.

. Comprehensive knowledge of multivariate statistical methods

for integrating diverse NOM data with MATLAB programming;

experience with 2D correlation analysis; can apply the

commonly used data visualization methods for FT-ICR-MS data

interpretation; can apply principle component analysis,

cluster analysis, parallel factor analysis and discriminant

analysis.

. Experience with sedimentary coring, core

logging/subsampling, core analysis and interpretation in

subsurface studies from Lake Superior.

. Experience in laboratory phytoplankton cultivation and

Chlorophyll analysis.

EXPERIENCES Large Lakes Observatory 09

/ 2009 - Present

Research Assistant

. To investigate dissolved organic matter (DOM), sinking

particulate organic matter (POM) and sedimentary organic

matter chemical composition in Lake Superior with the

combination of advanced spectroscopic techniques and stable

and radiocarbon analysis.

University of Minnesota 09

/ 2009 - 05 / 2013

Teaching Assistant

. lead discussion and review classes, supervise undergraduate

lab sections for General Chemistry in Dept of Chemistry &

Biochemistry

Ocean University of China 09

/ 2006 - 07 / 2009

Research Assistant

. phytoplankton cultivation at different nutrition, light

exposture and temperature conditions; phytoplankton

spectroscopy classification based on synchronous fluorescence

spectroscopy; phytoplankton and pigments identification with

excitation-emission matrix fluorescence spectroscopy (EEMs).

PUBLICATIONS Hongyu Li, Elizabeth C. Minor. 2013. Dissolved organic matter in

Lake Superior: insights into composition, reactivity, and

molecular-level transformation. Geochimica et Cosmochimica Acta,

submitted.

Hongyu Li, Elizabeth C. Minor, Prosper K Zigah. 2012. Diagenetic

changes in Lake Superior sediments as seen from FTIR and 2D

correlation spectroscopy. Organic Geochemistry 58 (2013)

125-136.

Hongyu Li, Qianqian Zhang, Xiulin Wang, Jintao Liu, Kailin

Zhang. 2012. Tiered Classification Approach for

three-dimensional Fluorescent Fingerprints of Marine

Phytoplankton. Periodical of Ocean University of China. 42:

117-125.

Hongyu Li, Qianqian Zhang, Chenjian Zhu, Xiulin Wang. 2008.

Assessment of phytoplankton class abundance using in vivo

synchronous fluorescence spectra. Analytical Biochemistry, 377,

40-45.

Hongyu Li. 2009. Fluorescent analytical method of phytoplankton

by Genetic Algorithms. M.S. Thesis, Ocean University of China.

Hongyu Li. 2006. Research on the characteristics and analysis of

mixtures of in vivo phytoplankton by synchronous fluorescence

spectra. B.S. Thesis, Ocean University of China.

CONFERENCE Hongyu Li, Elizabeth C. Minor. 2013. Characterization of

PRESENTATIONS Dissolved Organic Matter in Lake Superior with ESI FT-ICR-MS,

Uv-visible Spectroscopy and Isotopic Analysis: Insight on

Reactivity and Molecular-level transformation. The

26th International Meeting on Organic Geochemistry (IMOG

2013).Tenerife, Canary Islands, Spain.

Hongyu Li, Elizabeth C. Minor. 2013. Characterization of

Dissolved Organic Matter Using ESI FT-ICR-MS. The 61th Annual

Conference of American Society for Mass Spectrometry (ASMS).

Minneapolis, USA.

Hongyu Li, Elizabeth C. Minor. 2011. Diagenetic Changes in

Organic Matter in Lake Superior Sediments as seen by FT-IR and

2D IR Correlation Spectroscopy. The 54th Annual Conference on

Great Lakes Research (IAGLR), Duluth, Minnesota, USA.

HONORS AND 2013 WRS Summer Scholarship and WRS travel award

AWARDS Water Resrouces Science Graduate Program, University of

Minnesota

M.S. Outstanding Scholarship (2007, 2008, 2009)

Marine Chemistry, Ocean University of China

First Class Presentation in Marine Development Forum (2009)

Ocean University of China

B.S. Outstanding Scholarship (2003, 2004, 2005)

Marine Chemistry, Ocean University of China

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