Core-Shell Particles: How do they Work?

Article

The Column

ColumnThe Column-04-18-2013
Volume 9
Issue 7

Fabrice Gritti of the Department of Chemistry at the University of Tennessee (Knoxville, Tennessee, USA) discusses results from his and Georges Guiochon's research on the kinetic mechanisms of chromatography columns packed with core-shell particles.

Fabrice Gritti of the Department of Chemistry at the University of Tennessee (Knoxville, Tennessee, USA) discussesresults from his and Georges Guiochon’s research on the kinetic mechanisms of chromatography columns packedwith core–shell particles.

Click here for the full article in The Column

Articles in this issue
Gritti-810933-1416911409087.jpg
Core-Shell Particles: How do they Work?
Drugs-811011-1408542394999.jpg
Psychoactive drugs alter fish behaviour
Thermo Fisher partners with University of Birmingham
Rice-811009-1408542397981.jpg
Eating aromatic rice reduces arsenic exposure
State of the Art: GC Column Technology
State of the Art: GC Column Technology
Improving the Ion Chromatography Fluid Pathway
Improving the Ion Chromatography Fluid Pathway
HPLC2013 Amsterdam Preview
HPLC2013 Amsterdam Preview
MTA-810997-1408542422959.jpg
Market Profile: Automated DNA Sequencers
Related Videos
Related Content
Man using smartphone blank screen frameless modern design while lying on the sofa in home interior | Image Credit: © guteksk7 - stock.adobe.com

Using UHPLC to Examine Smartphones as a Potential New Matrix for Toxico-Epidemiology

April 25th 2024
Article

A recent study used ultrahigh-pressure liquid chromatography (UHPLC) to identify traces of drugs on smartphones.

Daniel Armstrong at the University of Texas at Arlington. Photo Credit: © Daniel Armstrong

An Inside Look at the Analytical Method Greenness Score in High Performance Liquid Chromatography Enantioseparations: An Earth Day Interview with Daniel Armstrong

April 22nd 2024
Article

As LCGC International celebrates Earth Day, we spotlight the current chromatographic research that is advancing environmental analysis and sustainability efforts. In this interview, we spoke to Daniel Armstrong, professor of chemistry and biochemistry at the University of Texas at Arlington, about his work using mathematical strategies to minimize analytical method greenness scores (AMGS) in HPLC enantioseparations.

Angela I. Calderón is a Gilliland Endowed Professor in the Department of Drug Discovery and Development, Harrison College of Pharmacy, Auburn University. She received her B.S. in Pharmacy from the University of Panama, Panama City, Republic of Panama (1990), MSc. in Pharmacognosy from the University of Illinois at Chicago, Chicago, Illinois under the supervision of Dr. Djaja Djendoel Soejarto and Dr. Cindy K. Angerhofer (1997), and Ph.D. in Pharmacognosy from the University of Lausanne, Lausanne, Switzerland under the guidance of Prof. Kurt Hostettmann (2002). Then, she conducted her postdoctorate on biomedical applications of mass spectrometry at Prof. Richard B. van Breemen’s laboratory at the University of Illinois at Chicago (2006-2008). She joined the faculty at Auburn University College of Pharmacy as an Assistant Professor in August 2008. Dr. Calderón specializes in natural drug products research, specifically applications of mass spectrometry to natural products drug discovery, and quality and safety assessment of botanical dietary supplements. Over the last sixteen years, she has authored 52 publications, 1 US patent, and 5 book chapters. She also has received research funding from agencies that include National Center for Complementary and Integrative Health (NCCIH) and the Office of Dietary Supplements (ODS) of the National Institutes of Health (NIH), American Society of Pharmacognosy, United States Pharmacopeia, Auburn University Research Initiative in Cancer (AURIC), and botanical dietary supplements industry. Dr. Calderón is currently an expert member of the United States Pharmacopeia Botanical Pan-American Expert Panel. She also was a member of the United States Pharmacopeia Botanical Dietary Supplements and Herbal Medicines Expert Committee. Additionally, she was the Section Editor of Pharmacognosy of Combinatorial Chemistry & High Throughput Screening and Pharmaceutical Biology and is a current member of the Advisory Board of Planta Medica She has been grant proposal reviewer for National Institutes of Health (NIH), National Science Foundation (NSF), USA and German Federal Ministry of Education and Research (BMBF) and Project Management Jülich (PtJ) and Deutsche Forschungsgemeinschaft (German Research Foundation), Germany, and International Foundation for Science (IFS), Sweeden.

Angela Calderón Discusses Importance of Sustainable Analysis Techniques

April 22nd 2024
Article

In this interview, Angela Calderón of Auburn University discusses the importance of using more environmentally friendly analysis techniques.

Macro shot of cannabinoid oil | Image Credit: © H_Ko - stock.adobe.com

Analytica Examines What’s New in Phytocannabinoid Quantification

April 10th 2024
Article

Chromatographic and spectroscopic techniques alike were reviewed for their current effectiveness and future potential in this lecture session at Analytica 2024.

Michael W. Dong is a principal of MWD Consulting, which provides training and consulting services in HPLC and UHPLC, method improvement, pharmaceutical analysis, and drug quality. He was formerly a Senior Scientist at Genentech, a Research Fellow at Purdue Pharma, and a Senior Staff Scientist at Applied Biosystems/PerkinElmer. He holds a PhD in Analytical Chemistry from City University of New York. He has more than 130 publications and a bestselling book in chromatography. He is an editorial advisory board member of LCGC North America and the Chinese American Chromatography Association. Direct correspondence to: LCGCedit@mmhgroup.com.

New HPLC, MS, and CDS Products Introduced in 2023–2024: A Brief Review

April 5th 2024
Article

This article describes newly introduced high-performance liquid chromatography (HPLC), mass spectrometry (MS), chromatography data systems (CDS), and related products in 2023–2024. It summarizes their technical specifications and significant user benefits.

Heap of red and pink antibiotics capsule | Image Credit: © Geza Farkas - stock.adobe.com.

Validation of HPLC-DAD Based Stability Indicating Assay Method for Ornidazole in Periodontal Polymeric Hydrogel: Robustness Study using Quality by Design (QbD) Approach

April 5th 2024
Article

In the present study, a gradient reversed-phase high-performance liquid chromatography (RP-HPLC) method has been designed and validated to quantify ornidazole (OZ) in the marketed formulation (oral gel) with the application of QbD.