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Coupling high-throughput and modeling approaches to streamline early-stage process development for biologics.
Biotechnol Prog
January 2025
Purification Development, Genentech, South San Francisco, California, USA.
Platforms have long been implemented for downstream process development of monoclonal antibodies (mAbs) to streamline development and reduce timelines. These platforms are also increasingly being used for other complex biologics modalities. While development has traditionally been conducted at the lab bench scale in a sequential manner, automated miniaturized and parallelized approaches like RoboColumns and resin plates have also been implemented for chromatographic screening.
View Article and Find Full Text PDFIn silico optimization of a challenging bispecific antibody chromatography step.
Biotechnol Prog
January 2025
Automation, Digital and Learning Solutions, Cytiva, Karlsruhe, Germany.
Mechanistic modeling of chromatographic steps is an effective tool in biopharma process development that enhances process understanding and accelerates optimization efforts and subsequent risk assessment. A relatively new model for ion exchange chromatography is the colloidal particle adsorption (CPA) formalism, which promises improved separation of material and molecule-specific parameters. This case study demonstrates a straightforward CPA modeling workflow to describe an ion exchange chromatography polishing step of a knobs-into-holes construct bispecific antibody molecule.
View Article and Find Full Text PDFSupercooled Liquids in a Core-Shell Coordination Structure for Practical Long-Term Energy Storage.
Adv Mater
January 2025
Department of Materials Science and Engineering, Institute of Innovative Materials (I2, M), Shenzhen Key Laboratory of Full Spectral Solar Electricity Generation (FSSEG), Southern University of Science and Technology (SUSTech), No. 1088, Xueyuan Rd., Shenzhen, Guangdong, 518055, China.
Mutual acquisition of phase-stability and controllable phase-transition becomes a predominant criterion of phase-change materials for the practical long-term energy storage but seems contradictory always. Here a strategy combining coordination and hydrogen bonds hierarchically to create a supercooled liquid in a core-shell coordination structure is reported, addressing that demand successfully. This new material is composed of a Mn-methylurea complex (MM) core and the hierarchically bonded erythritols shell.
View Article and Find Full Text PDFDECIPHERING AND COUNTERING FORMIC ACID PERMEABILITY IN ZERO-GAP ELECTROLYZERS.
Chemistry
January 2025
Ruhr Universität Bochum, Anorganische Chemie I, Universitätsstraße 150, NC 3/26, 44801, Bochum, GERMANY.
In recent years, formic acid (FA) has garnered attention as a compelling molecule for various chemical and everyday applications Additionally, with recent studies demonstrating direct FA generation through CO2 electrolysis, it can serve as a stable liquid hydrogen carrier. Nevertheless, FA-permeability via semi-permeable ion‑exchange membranes (FA-crossover) still constitutes a major issue in scalable polymer-electrolyte separated zero-gap electrolyzers, limiting the breakthrough of the technology to the larger-scale. Herein we present a holistic route towards understanding the mechanism of FA-crossover in zero-gap cells.
View Article and Find Full Text PDFFine-root and leaf acquisitive traits decoupled from chloride accumulation in reflecting the differential salinity tolerance among hybrids.
Front Plant Sci
January 2025
CSIRO, Glen Osmond, Adelaide, SA, Australia.
Improving crop salinity management requires enhanced understanding of salinity responses of leaf and fine-root traits governing resource acquisition, ideally in relation to ion accumulation at intra- or inter-specific levels. We hypothesized that these responses are coupled towards integrated resource conservation for plants under prolonged salt treatment. We tested the hypothesis with a glasshouse experiment on saplings of six contrasting hybrids, subjected to either control or salt treatment (reverse osmosis water versus 3.
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