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Upstream processing represents a critical phase in biomanufacturing, wherein biological systems such as microorganisms, mammalian cells, or insect cells are cultivated to produce therapeutic proteins, vaccines, enzymes, or other biologically derived products. This phase encompasses all steps from the selection and genetic manipulation of the production organism to the cultivation of cells in bioreactors under tightly controlled environmental conditions.Host Selection and Genetic OptimizationThe...
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Downstream Processing

Downstream processing begins once fermentation is complete and involves a series of steps to recover and purify products such as acids, vitamins, antibiotics, or proteins.Cell HarvestingFor example, for intracellular protein-based products, the first step is harvesting the cells. This is typically achieved using centrifugation or filtration to separate the cells from the liquid phase.Cell Disruption for Intracellular ProductsIf the target product is intracellular, the harvested cells must be...
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An analytical methodology can be divided into four sequential steps: technique, method, procedure, and protocol. A technique is a scientific principle that rationalizes a specific phenomenon through chemical measurements. Adapting a technique for analyzing a sample of interest is termed a method. The procedure outlines the directions for performing the analysis via an analytical method. The protocol is the detailed guidelines on the procedure, which should be strictly followed to obtain the...
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Related Experiment Video

Updated: Jun 13, 2026

PTR-ToF-MS Coupled with an Automated Sampling System and Tailored Data Analysis for Food Studies: Bioprocess Monitoring, Screening and Nose-space Analysis
08:43

PTR-ToF-MS Coupled with an Automated Sampling System and Tailored Data Analysis for Food Studies: Bioprocess Monitoring, Screening and Nose-space Analysis

Published on: May 11, 2017

Process analytical technology (PAT) for biopharmaceutical products.

A S Rathore1, R Bhambure, V Ghare

  • 1Department of Chemical Engineering, Indian Institute of Technology, Hauz Khas, New Delhi 110016, India. asrathore@biotechcmz.com

Analytical and Bioanalytical Chemistry
|May 19, 2010
PubMed
Summary

Process Analytical Technology (PAT) adoption in pharmaceuticals, driven by FDA

Area of Science:

  • Pharmaceutical Science
  • Biotechnology
  • Chemical Engineering

Background:

  • The FDA's Pharmaceutical Current Good Manufacturing Practices (CGMPs) for the 21st Century initiative spurred PAT adoption.
  • PAT implementation offers potential for enhanced operational control and real-time quality assurance in pharmaceutical manufacturing.

Purpose of the Study:

  • To review the evolution and application of PAT in the broader pharmaceutical industry.
  • To focus on recent (last five years) PAT applications specifically within biotech processes.
  • To identify gaps in utilizing PAT data for process control in biotechnology.

Main Methods:

  • Overview of PAT concept evolution.
  • Review of PAT applications across the pharmaceutical industry.

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Last Updated: Jun 13, 2026

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05:45

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A Package of Established Analytical Tools to Investigate the Solid-State Alteration of Lipid-Based Excipients

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  • Detailed examination of PAT advancements in biotech processes over the last five years.

    • Main Results:

    • Significant progress has been made in analyzing and monitoring key process and quality attributes in biotech.
    • Advances in PAT enable real-time data collection for critical parameters in biopharmaceutical production.

    Conclusions:

    • While PAT analysis capabilities in biotech have advanced, data utilization for process control remains a challenge.
    • Further development is needed to leverage PAT data for optimizing yield and product quality in biotech manufacturing.
    • Effective process control using PAT data is crucial for realizing the full benefits of its implementation.