Biomod/2012/Titech/Nano-Jugglers/Methods of Biomolecular Rocket
0.Construction of Biomolecular Rocket
In order to have a positional specificity, We make metal-deposited beads. Hemispherical part of polystyrene bead is covered with Cr,1/4 part of spere is covered with Au and the other part is polystyrene. First, deposit Au on the half of polystyrene beads. Second, deposit Cr on the half of polystyrene beads.
Carboxyl (COOH) microparticles can be used for covalent coupling of proteins by activating the carboxyl group with water-soluble carbodiimide. The carbodiimide reacts with the carboxyl group to create an active ester that is reactive toward primary amines on the DNA.
When we mix thiol-modified DNA and Pt or Au, they will be self assembly. Thiol-modified DNA and Au or Pt are organized naturally. Using this characteristic, bond two kinds of DNA with Pt and bond another kind of DNA with Au.
Finally, we conjugated the catalyst to our rocket body by DNA hybridization. Complementary strand DNA had adhered to the corresponding parts of the rocket body, so it enabled to conjugate catalyst engines in that we designed these DNA were thermodynamically stable when they hybridized. we build our rocket in this way. |
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