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The Right Solubility Screening Kit

By Beryl Dalton


Protein aggregation affects their availability for certain functions. This calls for solubility screening to establish the formulations or conditions that will protect your proteins. The choice of kit will determine the comprehensiveness or intensity of the results you obtain. The protein samples are solubilized during testing depending on expectations.

Some of the uses for the kit include quick aggregation behavior based on PH, salt and the presence of additives. It also assesses numerous conditions in a label free and parallel form. The processes require simple mixing and spinning without the use of centrifuge. This simplifies your tasks and allows you to get desired results in whichever condition.

The results obtained using the screening kits enable you to rescue reversibly aggregated protein samples. Your proteins will also not aggregate under stress. This makes them available for different tests and functions. You are provided with a dashboard with trends that make it easy to interpret results from the tests. The dashboard makes it easier to relate the results and make inferences.

Protein aggregation hinders availability of proteins for certain functions and is therefore undesirable. The main causes of aggregation include prolonged storage, vigorous stirring, elevated temperatures and the presence of ligands or protein binding partners. The best way to avoid aggregation is to make the right decision on PH, stabilization additives and salt.

The screening kit provides different buffers with PH ranging from three to ten as well as solubility enhancers. These enhancers include amino acids, polyols, salts, sugars and reducing agents, among others. This will help you determine the conditions under which your protein sample is protected from aggregation or the appropriate conditions for de-aggregation.

Working with this kit allows you to get over ninety formulations using a single label free experiment. You will use the other six as control to get positive and negative assessments. The expected results include soluble proteins going through the filters while aggregated ones do not. The filtration process will help you get these results.

Protein solubilization tests give the conditions under which your proteins will not aggregate. From such tests, it is observed that filtration processes yield proteins when they are in soluble form. They are available in aggregated form if the test does not show any traces of proteins.

The choice of conditions is determined by the results of screening. Since you can identify the conditions that facilitate the right behavior and the proteins in question, you can make an informed decision. It is used to confirm if the target substances are right for the expected results.

The benefits of using screening kits over other testing methods are numerous. Results obtained are clear and easy to interpret based on the information available in the field. The results leave no room for doubt. It takes as little as one hour to get your results. These results are certain and not based on trial and error.

The experiment does not consume large amounts of proteins and is therefore ideal for large scale testing. Reduction in protein use allows it to be matched with assay agents. A detailed report allows more conclusions and inferences to be drawn. There is no restriction on the assay that can be used.




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