Summary
Overview
Work History
Education
Skills
Research
Supervision Experience
Honors And Awards
Publications
Hobbies and Interests
Training & Science Communication
Languages
Timeline
Generic

Limei Han

Leipzig

Summary

Five years of experience working as an analytical chemist has provided me with a solid knowledge of chemical identification and big data mining skills. In addition, intertwined independent and team work ethics and scientific communication skills are acquired.

Overview

5
5
years of professional experience

Work History

Postdoc

Department of Analytical Chemistry, Helmholtz Centre for Environmental Research - UFZ
05.2023 - Current
  • Identification of bio and abio degradation transformation products of tire-related chemicals with LC-Q-ToF
  • Characterization of tire-related particles with SEM, BET, and morphological methods.

PhD Candidate

Helmholtz Centre For Environmental Research - UFZ
10.2018 - 09.2023
  • Developed nano/HP- LC coupling with ultra high resolution mass spectrometer (UHRMS) methods for characterization of dissolved organics in drinking water.
  • Identified drinking water disinfection by-products with LC-UHRMS.

Education

PhD - Analytical Chemistry

Helmholtz Centre for Environmental Research - UFZ
10.2023

M.Sc. - Environmental Engineering

Tsinghua University
07.2018

B.Sc. - Environmental Science and Engineering

Harbin Institute of Technology
07.2013

Skills

  • LC-MS (Advanced)
  • UHRMS (Advanced)
  • R programming (Intermediate)
  • Python (basic)
  • Matlab (basic)
  • Microsoft Office (Advanced)

Research

  • 05/2023, present, Study of the bio- and abio- degradation of tire chemicals and identification of their transformation products with Q-TOF-MS.
  • 09/2021, 03/2023, Studied the differences between chlorination and chloramination disinfection by-products (DBPs) in drinking water with HPLC-FT-ICR MS.
  • 10/2020, 08/2021, Developed a nanoLC-FT-ICR MS method for the direct non-target analysis of dissolved organic matter (DOM) and DBPs in drinking water.
  • 10/2018, 10/2020, Developed an online counter gradient applied LC-FT-ICR MS method for the characterization of DOM.

Supervision Experience

  • 12/2021, 06/2022, Supervised a master thesis with the title: "Non-target Analysis of Chlorination and Chloramination DBPs with Online UHPLC-FT-ICR-MS".
  • 10/2020, 12/2020, Supervised an intern with the title "Photochemical transformation of carbamazepine and bound residue formation with organic matter analyzed with direct infusion and liquid chromatography FTICR mass spectrometry".
  • 03/2019, 05/2019, Supervised an intern with the title "Analysis of Dissolved Organic Matter via RPLC-FT-ICR-MS".

Honors And Awards

  • First award for poster presentation at the EU_FT-ICR_MS 2nd Advanced User School, Prague

Publications

  • Online Counter Gradient LC-FT-ICR-MS Enables Detection of Highly Polar Natural Organic Matter Fractions, Han, L.; Kaesler, J.; Peng, C.; Reemtsma, T.; Lechtenfeld, O. J., Analytical Chemistry, 2021, 93, 3, 1740-1748, 10.1021/acs.analchem.0c04426
  • Discovery of Polar Ozonation Byproducts via Direct Injection of Effluent Organic Matter with Online LC-FT-ICR-MS, Jennings, E.; Kremser, A.; Han, L.; Reemtsma, T.; Lechtenfeld, O. J., Environmental Science & Technology, 2022, 56, 3, 1894-1904, 10.1021/acs.est.1c04310
  • Direct non-target analysis of dissolved organic matter and disinfection by-products in drinking water with nanoLC-FTICR-MS, Han, L.; Lohse, M.; Nihemaiti, M.; Reemtsma, T.; Lechtenfeld, O. J., Environmental Science: Water Research & Technology, 2023, 10.1039/D3EW00097D
  • Non-target analysis of chlorination and chloramination disinfection by-products with LC-FT-ICR MS, Han, L.; Mobarak, R.; Nihemaiti, M.; Reemtsma, T.; Lechtenfeld, O. J., under review

Hobbies and Interests

  • Reading (science, culture, politics)
  • Traveling (backpacking)
  • Hiking (mountains)
  • Jogging (marathon)
  • Badminton

Training & Science Communication

04/2021, EGU General Assembly 2021,  Presented a poster with the title "Online counter gradient LC-FTICR-MS enables detection of highly polar natural organic matter fractions" in the "Aquatic biogeochemical cycles of carbon, nitrogen and phosphorus. From measurements to understanding hydrochemical patterns and processes" section; 08/2021, IHSS2020, Oral presentation with the title "Online counter gradient applied to LC-FT-ICR MS offers new insights into highly polar DOM fractions" in the section "Analytical Methods for Characterization of Humic Substances in Soil and Water"; 06/2022, IWA-IDDPs2022, Oral presentation with the title "Non-target analysis of disinfection by-products in drinking water using nanoLC-FT-ICR MS" in the section "Innovative analytical techniques for disinfectants and DBPs - New insights from innovative tools", Milan, Italy; 08/2022, IMSC2022, Poster presentation with the title "Non-target analysis of disinfection by-products in drinking water using nanoLC-FT-ICR MS", Maastricht, The Netherlands; 08/2023, ACS Fall 2023, Oral presentation with the title "Non-target identification and characterization of chlorination and chloramination disinfection by-products with LC-FT-ICR MS", San Francisco, USA; 10/2019, EU FT-ICR MS 5th Short course, Learned basic knowledge about high resolution mass spectrometry, such as Orbitrap, FT-ICR MS, Moscow, Russia; 09/2021, EU FT-ICR MS 2nd Advanced User School, Learned the latest technologies development in the field of mass spectrometry, Prague, Czech republic; 04/2022, EU FT ICR MS SHORT COURSE #9, Learned different complex mixture analysis with HRMS, including petroleomics, metabolomics, proteomics, Joensuu, Finland.

Languages

Mongolian
Bilingual or Proficient (C2)
Chinese (Mandarin)
Bilingual or Proficient (C2)
English
Advanced (C1)
German
Intermediate (B1)
Japanese
Elementary (A2)

Timeline

Postdoc

Department of Analytical Chemistry, Helmholtz Centre for Environmental Research - UFZ
05.2023 - Current

PhD Candidate

Helmholtz Centre For Environmental Research - UFZ
10.2018 - 09.2023

PhD - Analytical Chemistry

Helmholtz Centre for Environmental Research - UFZ

M.Sc. - Environmental Engineering

Tsinghua University

B.Sc. - Environmental Science and Engineering

Harbin Institute of Technology
Limei Han