Novel gold nanoparticle aggregates and their applications
First Claim
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1. A chemical sensor comprising a plurality of particles, each particle comprising:
- a core, a shell having at least one surface and having contact with the core and wherein the shell comprises a sulfur-oxygen molecular species, and wherein the particle has been selectively sized using a notch filter and electromagnetic radiation, the electromagnetic radiation having a spectral wavelength of between about 350 nm and about 1075 nm.
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Abstract
The invention is drawn to novel gold nanoparticles that are used in a dual optical method for sensitive and selective detection of antigens. The gold nanoparticle aggregates are synthesized from gold hydrochloride and sulfur salts in an aqueous solution. The aggregates can be selectively sized using a spectral notch filter that results in an improved product with versatile uses. The gold nanoparticles can also be used in improved optical communications devices.
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Citations
30 Claims
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1. A chemical sensor comprising a plurality of particles, each particle comprising:
- a core, a shell having at least one surface and having contact with the core and wherein the shell comprises a sulfur-oxygen molecular species, and wherein the particle has been selectively sized using a notch filter and electromagnetic radiation, the electromagnetic radiation having a spectral wavelength of between about 350 nm and about 1075 nm.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
Specification