Novel chromatographic resins are revolutionizing bioseparation by offering multi-modal interactions and folding assistance, ensuring high purity while maintaining the native, active structure of therapeutic proteins.

This article explores the application of advanced Computational Fluid Dynamics (CFD) models to optimize bioreactor performance. Key areas include predicting shear stress distribution, optimizing sparging strategies, and maintaining optimal dissolved oxygen levels for enhanced bulk mixing efficiency.

Downstream processing (DSP) is the critical, complex, and often rate-limiting step in viral vector manufacturing. Optimization involves maximizing the selectivity and efficiency of physical separation mechanisms, utilizing advanced chromatography and filtration techniques to achieve high purity and yield while minimizing contaminants and shear stress.

In situ product removal (ISPR) strategies are critical engineering solutions designed to continuously reduce the concentration of target bioproducts or inhibitory metabolites from the bioreactor broth, enabling the successful cultivation of high-titer bioproducts.

Scaling up bioprocesses requires overcoming critical limitations related to mass transfer, shear stress, and waste accumulation. Advanced bioreactor designs, including perfusion systems and packed-bed reactors, are essential for maintaining high cell viability and productivity in continuous operation.

This article details the modification of standard cell population dynamics models to incorporate a shear-damage term, providing a more accurate representation of biological systems subjected to fluid forces.

This article explores the various methods of cryopreservation, detailing the use of liquid nitrogen and other cryoprotectants to preserve biological materials.

Biocatalytic cascades represent a powerful approach in synthetic chemistry, enabling multi-step reactions using enzymes acting sequentially on a common substrate or intermediate. This method offers significant advantages, particularly through the *in situ* channeling of intermediates, which enhances yield, purity, and operational mildness compared to traditional chemical synthesis.

This article explores advanced chromatographic techniques, including Multi-Column Chromatography (MCC) and targeted polishing steps, essential for optimizing bioseparation processes. It details operational considerations like continuous flow implementation, Process Analytical Technology (PAT), and robust resin management to achieve high purity and yield.

This article provides a comprehensive guide to understanding and performing unit conversions, specifically focusing on the conversion from meters (m) to millimeters (mm). We will explore the underlying principles of the metric system and provide practical examples to ensure clarity in scientific and engineering contexts.