The potential of hydrodynamic damage to animal cells of industrial relevance: current understanding

W Hu, C Berdugo, JJ Chalmers - Cytotechnology, 2011 - Springer
Suspension animal cell culture is now routinely scaled up to bioreactors on the order of
10,000 L, and greater, to meet commercial demand. However, the concern of the 'shear …

Mixing, aeration and cell damage, 30+ years later: what we learned, how it affected the cell culture industry and what we would like to know more about

JJ Chalmers - Current Opinion in Chemical Engineering, 2015 - Elsevier
Highlights•Animal cell culture producing biopharmaceuticals is a 200 billion dollar
industry.•In thirty years, final product concentrations have risen from 50 mg/L to 25 …

PIV study of small‐scale flow structure around a Rushton turbine

KV Sharp, RJ Adrian - AIChE Journal, 2001 - Wiley Online Library
The structure of turbulent motions was measured in a region surrounding the blade tips of a
Rushton turbine mixer. The tip vortices responsible for micromixing were created in this …

Numerical simulations of the dependency of flow pattern on impeller clearance in stirred vessels

G Montante, KC Lee, A Brucato… - Chemical Engineering …, 2001 - Elsevier
The flow and turbulence fields in a fully baffled vessel stirred by a Rushton turbine have
been simulated by means of computational fluid dynamics (CFD) techniques. The simulation …

Fabrication and use of a transient contractional flow device to quantify the sensitivity of mammalian and insect cells to hydrodynamic forces

N Ma, KW Koelling, JJ Chalmers - Biotechnology and …, 2002 - Wiley Online Library
A microfluidic device was fabricated via photolithographic techniques which can create
transient elongational and shear forces ranging over three orders of magnitude while still …

Characterizing flocculation under heterogeneous turbulence

DC Hopkins, JJ Ducoste - Journal of Colloid and Interface Science, 2003 - Elsevier
This study investigated the impact of turbulent heterogeneity in a flocculation reactor on
particle aggregation and breakup. In particular, the influence of average characteristic …

Prediction of particle size distribution in suspension polymerization reactors: effect of turbulence nonhomogeneity

D Maggioris, A Goulas, AH Alexopoulos… - Chemical Engineering …, 2000 - Elsevier
The quantitative description of particle size distribution development in suspension
polymerization reactors is very complex. The exact mechanisms of breakage and …

A general methodology for hybrid multizonal/CFD models: Part II. Automatic zoning

F Bezzo, S Macchietto - Computers & chemical engineering, 2004 - Elsevier
Multizonal models and, in particular hybrid multizonal/CFD models, represent a powerful
approach to process simulation when complex physical and chemical phenomena (eg …

Effect of blade shape on the performance of six-bladed disk turbine impellers

JMT Vasconcelos, SCP Orvalho… - Industrial & …, 2000 - ACS Publications
Different modifications of the Rushton turbine were studied in a dual-impeller agitated tank
(T= 0.4 m), to find the effect of blade form on power draw, turbulent dispersion, gas handling …

Particle− liquid mass transfer coefficient in two-/three-phase stirred tank reactors

VG Pangarkar, AA Yawalkar, MM Sharma… - Industrial & …, 2002 - ACS Publications
Knowledge of particle− liquid mass transfer coefficient (k SL) is important for a rational
design of a solid− liquid/solid− liquid− gas stirred tank reactor (STR). Considerable efforts …