Bioreactor monitoring with spectroscopy and chemometrics: a review

ND Lourenço, JA Lopes, CF Almeida… - Analytical and …, 2012 - Springer
Biotechnological processes are crucial to the development of any economy striving to
ensure a relevant position in future markets. The cultivation of microorganisms in bioreactors …

In situ sensor techniques in modern bioprocess monitoring

S Beutel, S Henkel - Applied microbiology and biotechnology, 2011 - Springer
New reactor concepts as multi-parallel screening systems or disposable bioreactor systems
for decentralized and reproducible production increase the need for new and easy …

Quantitative monitoring of an activated sludge reactor using on-line UV-visible and near-infrared spectroscopy

MC Sarraguça, A Paulo, MM Alves, AMA Dias… - Analytical and …, 2009 - Springer
The performance of an activated sludge reactor can be significantly enhanced through use
of continuous and real-time process-state monitoring, which avoids the need to sample for …

Spectroscopic sensors for in-line bioprocess monitoring in research and pharmaceutical industrial application

J Claßen, F Aupert, KF Reardon, D Solle… - Analytical and …, 2017 - Springer
The use of spectroscopic sensors for bioprocess monitoring is a powerful tool within the
process analytical technology (PAT) initiative of the US Food and Drug Administration …

Optical sensor systems for bioprocess monitoring

S Marose, C Lindemann, R Ulber, T Scheper - Trends in Biotechnology, 1999 - cell.com
Optical sensor systems are of increasing interest in bioprocess monitoring, because they are
very sensitive, specific and noninvasive. Recent developments in optical-density probes, in …

Monitoring biological wastewater treatment processes: recent advances in spectroscopy applications

DP Mesquita, C Quintelas, AL Amaral… - … in Environmental Science …, 2017 - Springer
Biological processes based on aerobic and anaerobic technologies have been continuously
developed to wastewater treatment and are currently routinely employed to reduce the …

Fluorescence spectroscopy and chemometric modeling for bioprocess monitoring

SM Faassen, B Hitzmann - Sensors, 2015 - mdpi.com
On-line sensors for the detection of crucial process parameters are desirable for the
monitoring, control and automation of processes in the biotechnology, food and pharma …

On-line infrared spectroscopy for bioprocess monitoring

D Landgrebe, C Haake, T Höpfner, S Beutel… - Applied microbiology …, 2010 - Springer
One of the major aims of bioprocess engineering is the real-time monitoring of important
process variables. This is the basis of precise process control and is essential for high …

Multiplexing fibre optic near infrared (NIR) spectroscopy as an emerging technology to monitor industrial bioprocesses

P Roychoudhury, R O'Kennedy, B McNeil… - Analytica chimica …, 2007 - Elsevier
The application of near infrared spectroscopy in bioprocessing has been limited by its
dependence on calibrations derived from single bioreactor at a given time. Here, we …

Chemometrics in bioprocess engineering: process analytical technology (PAT) applications

JA Lopes, PF Costa, TP Alves, JC Menezes - Chemometrics and Intelligent …, 2004 - Elsevier
The production process of an active pharmaceutical ingredient (API) by fermentation in an
industrial environment was analysed using process analytical technologies. The Food and …