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Analytical Instrumentation
Analytical Theory
Biological, Medical, and Clinical Analysis
Biopharmaceutical Perspectives
Biopharmaceuticals and Protein Analysis
Cannabis Analysis
Capillary Electrophoresis
Chiral Chromatography
ChromAcademy
Corporate Profiles
Data Acquisition, Handling, and Archiving
Data Analysis, Statistics, and Chemometrics
Dietary Supplements Analysis
Environmental Analysis
Field-Flow Fractionation (FFF)
Food and Beverage Analysis
Forensics, Narcotics
From the Editor
GC–MS
Gas Chromatography (GC)
HILIC
HPLC
Ion Chromatography
LCGC Interviews
LCGC TV: Gas Chromatography
LCGC TV: Hyphenated Techniques
LCGC TV: Liquid Chromatography
LCGC TV: Sample Preparation
LC–MS
Liquid Chromatography (LC/HPLC)
Market Profiles
Mass Spectrometry
Medical/Biological
Multidimensional GC
Multidimensional LC
Peer-Reviewed Articles
Pharmaceutical Analysis
Preparative-Scale Chromatography
Process Analytical Technology (PAT)
Quality Control/Quality Assurance (QA/QC)
Quality by Design (QbD)
Regulatory Standards, GLP and GMP Compliance
Sample Preparation
Size-Exclusion Chromatography (SEC)
Solid-Phase Extraction (SPE)
Supercritical Fluid Chromatography (SFC)
Supercritical Fluid Extraction (SFC)
The Next Generation
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Andrew Lees

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Andrew Lees, Ph.D., is Scientific Director at Fina BioSolutions LLC in Rockville, MD. Fina Biosolutions engages in downstream bioprocessing. In addition, the company is active in the development of protein-polysaccharide conjugate vaccines.

Articles

Improving Protein Separations with Mixed-Mode Chromatography

Improving Protein Separations with Mixed-Mode Chromatography

Ronald E. Majors;Marty Burkhardt;Andrew Lees
January 1st 2009

Guest authors show how mixed modes can be used successfully in the optimization of protein purification, and discuss how various experimental parameters can be used to regulate the binding of proteins to mixed-mode sorbents.

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Analyzing Organic Acids in Fruit-Based Kombucha Analogues Using HPLC
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Published: November 18th 2024 | Updated: November 19th 2024
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