In Silico Viscosity Evaluation and Improvement

In recent years, protein drugs such as antibodies and peptides have developed rapidly, and clinical sales have risen sharply, which has become a new hope for many cancer and cancer patients. These drugs are developed by human body-derived substances or by regulating factors in vivo, and played a role by participating, intervening, promoting or inhibiting physiological and biochemical processes in the human body or bacterial viruses. Therefore, it has the characteristics of low toxic and side effects and high efficacy. More researchers are paying attention to the drug-forming properties of these drugs, and it is necessary to evaluate them. With the state-of-the-art instrumentation and technology platform, Creative Biolabs can provide you with systematic drug evaluations to help you speed up the testing process and drug development.

Introduction of In Silico Viscosity Evaluation

The drug-forming property is a requirement for the properties of the drug. The various properties of the drug are the external manifestations of the molecular structure of the drug, and the drug-forming properties are embodied in the structure. The drug-forming properties are roughly divided into five aspects: physical and chemical properties, biochemical properties, pharmacokinetic properties, and properties that produce adverse reactions and side effects. For protein drugs, it tends to become viscous at high concentrations, causing disadvantages in preparation, production, storage, and administration, because protein structure is unstable in vitro and in vivo. Thus, it is important to evaluate and improve the viscosity of the drug to ensure that the viscosity is in the lower range. With the deeper research on the molecular structure of proteins, scientists have developed a prediction method based on computer virtual calculation of the physical and chemical properties of proteins, which can greatly help researchers accelerate the screening process of early candidate molecules.

Step of In Silico Viscosity Evaluation and Improvement

A large number of candidate molecules are first screened, and molecular surface charge and hydrophobic interactions are calculated by high-throughput evaluation methods; then, combined with pre-prescription work, the viscosity of the solution is predicted and the selected 2-5 preferred molecules are further evaluated and optimized. This method improves the efficiency of evaluating protein drugs and is also a drug-based evaluation strategy with a higher success rate.

Fig.1 Simulation of suspension viscosity. (Kroupa, 2016)

Advantages

Predict the viscosity of a full range of protein solutions
Less sample required
Short inspection cycle
Less resource investment
Project advancement

Creative Biolabs owns cutting-edge computer simulation technology and a high-level technical team. If you are interested in viscosity evaluation and improvement, please contact us and we will provide you with accurate drug viscosity evaluation and transformation as soon as possible.

Reference

Kroupa, M.; et al. Utilizing the discrete element method for the modeling of viscosity in concentrated suspensions. Langmuir. 2016, 32(33): 8451-8460.

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