Controlled nucleation of protein crystals
First Claim
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1. A method of inducing the nucleation of protein crystals comprising the steps of:
- a. preparing a supersaturated solution of a protein in a solvent;
b. selecting a wavelength, power and polarization state of light necessary to induce the crystallization of a protein crystal from the supersaturated solution of the protein in the solvent; and
c. subjecting the supersaturated solution to the light for a period of time so as to induce nucleation of the protein crystal.
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Abstract
A method for the non-photochemical laser induced nucleation in which short high-intensity laser pulses are used to induce nucleation in supersaturated solutions including protein solutions. The laser induces nucleation only in the area where the beam is focused or passes through, resulting in fewer nuclei than would be achieved by spontaneous nucleation. In addition, the laser reduces nucleation time significantly.
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Citations
33 Claims
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1. A method of inducing the nucleation of protein crystals comprising the steps of:
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a. preparing a supersaturated solution of a protein in a solvent;
b. selecting a wavelength, power and polarization state of light necessary to induce the crystallization of a protein crystal from the supersaturated solution of the protein in the solvent; and
c. subjecting the supersaturated solution to the light for a period of time so as to induce nucleation of the protein crystal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A method of inducing the nucleation of protein crystals comprising the steps of:
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a. preparing a supersaturated solution comprising a protein and a solvent;
b. selecting a state of laser light necessary to induce nucleation of a protein crystal from the supersaturated solution; and
c. subjecting the supersaturated solution to the light for a period of time so as to induce nucleation of the protein crystal. - View Dependent Claims (22, 23, 24, 25)
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26. A method for controlling the nucleation of protein crystals comprising the steps of:
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a. preparing a supersaturated solution of a protein in a solvent;
b. selecting a wavelength, power and polarization state of laser light necessary to induce the crystallization of a protein crystal from the supersaturated solution of the protein in the solvent;
c. subjecting the supersaturated solution to the laser light for a period of time so as to induce nucleation of the protein crystal; and
d. varying the wavelength, power and polarization state of the laser light so as to control the parameters of the nucleation of the protein crystals. - View Dependent Claims (27, 28, 29, 30, 31, 32, 33)
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Specification