The Contribution of Polystyrene Nanospheres towards the Crystallization of Proteins
2009

Polystyrene Nanospheres Help Protein Crystallization

Sample size: 96 publication Evidence: moderate

Author Information

Author(s): Kallio Johanna M., Hakulinen Nina, Kallio Juha P., Niemi Merja H., Kärkkäinen Susanna, Rouvinen Juha

Primary Institution: Department of Chemistry, University of Joensuu, Joensuu, Finland

Hypothesis

Can polystyrene nanospheres improve the crystallization of proteins?

Conclusion

Polystyrene nanospheres enhance protein crystallization by increasing the number of successful crystallization conditions and improving crystal quality.

Supporting Evidence

  • The addition of nanospheres increased the number of crystallization conditions yielding crystals.
  • Nanospheres altered the crystal packing of certain proteins, leading to better quality crystals.
  • Using nanospheres reduced the time required for crystals to grow.
  • Nanospheres were effective in both screening and as additives in crystallization experiments.

Takeaway

Using tiny balls made of plastic can help scientists grow better crystals of proteins, which are important for understanding how they work.

Methodology

The study tested the effect of polystyrene nanospheres on the crystallization of various proteins using a combination of screening and additive methods.

Limitations

The study did not explore the effects of different compositions or shapes of nanoparticles on crystallization.

Digital Object Identifier (DOI)

10.1371/journal.pone.0004198

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