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Related Concept Videos

Sample Preparation for Analysis: Advanced Techniques01:08

Sample Preparation for Analysis: Advanced Techniques

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Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...
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Sample preparation is an essential step in the analytical process. It involves preparing a sample so that it can be analyzed accurately. The goal is to extract the analyte, the substance you want to measure, from the sample while removing any components that may interfere with the analysis. Sample preparation techniques vary depending on the physical state of the sample.
Bulk or large solid samples are typically reduced in size using grinding, crushing, or milling techniques to increase the...
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Enhancing the multi-attribute method through an automated and high-throughput sample preparation.

Pongkwan Sitasuwan1, Thomas W Powers2, Tiffany Medwid2

  • 1Integrated Micro-Chromatography Systems, Inc, Irmo, SC, USA.

Mabs
|September 29, 2021
PubMed
Summary
This summary is machine-generated.

This study fully automates sample preparation for the multi-attribute method (MAM) using a robotic liquid handling system. This high-throughput approach maintains method performance for pharmaceutical quality attribute monitoring.

Keywords:
Multi-attribute method (MAM)high throughputproduct quality attributessample preparation automation

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Area of Science:

  • Pharmaceutical analysis
  • Analytical chemistry
  • Biotechnology

Background:

  • The multi-attribute method (MAM) enables simultaneous monitoring of multiple product quality attributes (PQAs) in pharmaceutical development.
  • Current MAM sample preparation, involving proteolytic peptide mapping, is low-throughput and cumbersome.
  • Existing methods require manual steps like desalting and temperature modulation, hindering full automation.

Purpose of the Study:

  • To develop and validate a fully automated, tip-based sample preparation workflow for MAM.
  • To integrate protein desalting and temperature modulation into a single robotic system.
  • To achieve high-throughput MAM sample preparation without compromising analytical performance.

Main Methods:

  • Automation of protein denaturation, reduction, alkylation, and proteolytic digestion on a single robotic liquid handling system.
  • Integration of heating and cooling functionalities for temperature-sensitive enzymatic digestion.
  • Tip-based sample handling to minimize carryover and ensure process integrity.

Main Results:

  • Successful implementation of a complete, tip-based MAM sample preparation workflow on a robotic platform.
  • Achieved high-throughput sample preparation, significantly reducing processing time.
  • Demonstrated that the automated method maintains superior performance compared to manual protocols.

Conclusions:

  • The fully automated MAM sample preparation method is viable for high-throughput pharmaceutical analysis.
  • This streamlined approach enhances efficiency and reproducibility in monitoring PQAs.
  • Further automation of MAM sample preparation is crucial for advancing pharmaceutical quality control.