Process analytical technology (PAT) for biopharmaceutical products

AS Rathore, R Bhambure, V Ghare - Analytical and bioanalytical chemistry, 2010 - Springer
Abstract The “Pharmaceutical Current Good Manufacturing Practices (CGMPs) for the 21st
Century—A Risk Based Approach” initiative announced by the FDA in August 2002 to …

Optical sensor systems for bioprocess monitoring

R Ulber, JG Frerichs, S Beutel - Analytical and bioanalytical chemistry, 2003 - Springer
Bioreactors are closed systems in which microorganisms can be cultivated under defined,
controllable conditions that can be optimized with regard to viability, reproducibility, and …

Noninvasive online biomass detector system for cultivation in shake flasks

J Schmidt‐Hager, C Ude, M Findeis… - Engineering in Life …, 2014 - Wiley Online Library
A novel online sensor system for noninvasive and continuous monitoring of cell growth in
shake flasks is described. The measurement principle is based on turbidity measurement by …

Implementation of Quality by Design for processing of food products and biotherapeutics

AS Rathore, G Kapoor - Food and Bioproducts Processing, 2016 - Elsevier
It has been more than a decade since the concept of Quality by Design (QbD) was
introduced to the biotech industry. Considerable efforts have been spent by the major …

封闭玻璃管道内液体折射率的非接触测量

张宗权, 徐铭, 任俊鹏, 姚志, 苗润才 - Optics and Precision …, 2016 - opticsjournal.net
摘要为了实时, 原位和非接触测量工业生产过程中封闭管道系统内透明, 半透明液体折射率,
提出了一种简单的基于玻璃管壁光学特性的液体折射率测量方法. 该方法通过涂覆在玻璃管壁外 …

Characterization of a noninvasive on-line turbidity sensor in shake flasks for biomass measurements

FV Ebert, C Reitz, MN Cruz-Bournazou… - Biochemical Engineering …, 2018 - Elsevier
Although shake flasks are most widely used for microbial cultivations, noninvasive on-line
sensors for these systems are still limited compared to bioreactors. While pH and dissolved …

Ex situ bioprocess monitoring techniques

V Vojinović, JMS Cabral, LR Fonseca - Chemical Industry and …, 2007 - doiserbia.nb.rs
Rapid development of biotechnology resulted in increasing need for bioprocess monitoring
and control. Efficient process control allows optimization of process efficiency and …

Modular design of nonlinear observers for state and disturbance estimation

C Kravaris, G Savoglidis - Systems & control letters, 2008 - Elsevier
This work studies the problem of design of nonlinear observers in the presence of
exogenous disturbances. In particular, the present work proposes a systematic design …

An artificial neural network for biomass estimation from automatic pH control signal

H Won, C Yoon-Keun - Biotechnology and bioprocess engineering, 2006 - Springer
This study developed an artificial neural network (ANN) to estimate the growth of
microorganisms during a fermentation process. The ANN relies solely on the cumulative …

Process analytical technology: Strategies for biopharmaceuticals

A S. Rathore, G Kapoor - Encyclopedia of Industrial …, 2009 - Wiley Online Library
In recent times, there is a growing need in the biopharmaceutical industry for improved
process understanding to enhance productivity and product quality. Process Analytical …