Christopher (J.) V.

Freelance AI Trainer

Chicago, United States

Experience

Feb 2025 - Present
10 months

Freelance AI Trainer

Outlier

  • Improved large language models by data annotation, response evaluations in chemistry focused domains
  • Development of high quality prompts and rubric-based datasets for model training
  • Adapted quickly to changing project requirements and demonstrated flexibility for rapidly learning new areas of focus
Jul 2023 - Feb 2025
1 year 8 months
New Orleans, United States

Research Associate II

LSU Health Sciences Center, School of Medicine, Neuroscience Center of Excellence

  • Design and execute analytical methodologies for LC-MS/MS for a wide variety of compounds including phospholipids, lipid mediators, and fatty acids to research neurodegenerative diseases (Alzheimer’s, stroke, age related macular degeneration)
  • Purification and enrichment of lipids from cell culture, serum, and tissue using liquid-liquid extraction (LLE), solid phase extraction (SPE), and analytical fractionation
  • Basic maintenance and calibration of UPLC and MS instruments (QQQ triple quadrupole, QToF quadrupole time-of-flight)
  • Develop and execute SIR and MRM methods and procedures for LC-MS/MS of lipids and validation with synthetic standards using RPLC and HILIC
  • Design of experiments for identification and quantification of micro-/nanoplastics recovered from atherosclerotic plaques using nano-FTIR and FTIR microscopy
  • Developed and implemented Standard Operating Procedures (SOPs)
  • Involved in mentorship of high school and undergraduate students during summer programs
Aug 2015 - Aug 2023
8 years 1 month
Baton Rouge, United States

Doctoral Graduate Research and Teaching Assistant

Louisiana State University Department of Chemistry

  • Investigation of nanoparticle size distributions in polymer nanocomposite systems under deformation via x-ray scattering in-situ tensile testing
  • Synthesis and characterization of polydimethylsiloxane nanocomposites
  • Determining molecular structure and dynamics through small-angle x-ray (SAXS) and neutron scattering (SANS)
  • Collaborative experiments with national and international labs (Argonne, Oak Ridge, NIST, MLZ-Munich, Germany) through accepted research proposals for SAXS and SANS experiments
  • Mentored six undergraduate students to foster scientific development and good lab practices
  • Presented pre-lab lectures for General Chemistry and Organic Chemistry labs, guided students (~30 students per class) through experiments and review sessions, and graded assessments in a timely manner
May 2015 - Aug 2015
4 months
Pensacola, United States

Chemist Intern

Ascend Performance Materials

  • Improved chemical analysis capabilities through collection of compound libraries of 150 polymers and additives using Direct Analysis in Real Time Mass Spectrometry (DART-MS) and Fourier Transform Infrared Spectroscopy (FT-IR)
  • Rapidly acquired expertise in instrument operations, completed assigned tasks, and problem-solved with minimal supervision
  • Performed sublimation and degradation experiments to investigate kinetics of nylon additives
  • Followed protocols and safety plans to complete tasks without incidents
Jun 2013 - May 2015
2 years
Pensacola, United States

Undergraduate Research Assistant

University of West Florida Department of Chemistry

  • Calibration and refurbishment of a Matrix-Assisted Laser Desorption/Ionization Time-of-Flight Mass Spectrometer (Bruker Reflex MALDI-ToF-MS)
  • Analysis and characterization of asphaltenes adsorption on to transition metal oxide nanoparticles using UV-Vis, TGA, and DSC
  • Surface-Assisted Laser Desorption/Ionization (SALDI) analysis of adsorbed asphaltenes to determine asphaltenes structures
  • Provided free academic support to students in Gen. Chem. and Org. Chem. through Chem Scholars Program
  • Assisted in reviewing lecture material, guiding through practice problems, and clarifying complex concepts

Summary

Experienced researcher (Ph.D. +1 year) in Analytical and Polymer Chemistry.

Knowledgeable in a wide-range of instrumental analysis (UHPLC-MS, MALDI-MS, NMR, FTIR, UV-Vis, SAXS, Tensile, DMA, TGA, DSC, GPC, SANS) for trace analytes or bulk.

Skilled in various sample prep techniques for enrichment and separation (LLE, SPE, fractionation).

Consistently demonstrated a strong work ethic with proven-track record of presentations and publications, able to collaborate effectively within a team, and management of laboratory protocols and safety.

Several years of experience teaching and mentoring.

Languages

English
Native

Education

Aug 2015 - Aug 2023

Louisiana State University – Department of Chemistry

Ph.D. · Chemistry · Baton Rouge, United States

Aug 2011 - May 2015

University of West Florida – Department of Chemistry

B.S. · Chemistry · Pensacola, United States

Need a freelancer? Find your match in seconds.
Try FRATCH GPT
More actions