Plasmon-enhanced marking of fragile materials and other...

Details Plasmon-enhanced marking of fragile materials and other... Plasmon-enhanced marking of fragile materials and other...

2005-02-25

2008-12-09

Chin, Christopher L (Department: 1641)

Chemistry: analytical and immunological testing

Involving an insoluble carrier for immobilizing immunochemicals

Carrier is inorganic

C435S006120, C436S518000, C436S525000, C436S172000, C436S805000

Reexamination Certificate

active

07462496

ABSTRACT:
The methods and applications of a surface plasmon resonance-enhanced marking technique are disclosed. The technique uses surface plasmon resonance (SPR) excited nanoparticles and a surface plasmon resonance source in nonlinear interactions with nearby chemical substances and medium for marking purposes. The SPR-enhanced absorption and fluorescence rates of chemical substances or medium and nonlinearity of SPR interactions with chemical substances or medium make the proposed method suitable for marking fragile materials including biomaterials, such as writing on thin plastic foils or DNA-protein crosslinking. The marking method can also be applied to a three-dimensional recording and read out information system with subwavelength resolutions, coding information of secrete documents, drug delivery, tissue surgery, tattoo writing or removal, photodynamic therapy, cosmetic and dermatological treatment.

REFERENCES:
patent: 5527712 (1996-06-01), Sheehy

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