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Home > Nanotechnology Columns > Christian Schoen > Nanopartz releases Gold Nanobeads specifically for In Vitro applications

Christian Schoen
President
Nanopartz

Abstract:
Gold Nanobeads reduce non-specific binding, allow extended room temperature storage, and provide operation in elevated salt and pH environments.

March 30th, 2009

Nanopartz releases Gold Nanobeads specifically for In Vitro applications

SALT LAKE CITY, March 30, 2009 -- A revolutionary new gold nanoparticle manufacturing method has been developed that results in gold nanoparticles that are optimized for in vitro applications - finding solutions to problems that have confronted in vitro applications for years.
Gold Nanobeads are an extension of the technology currently employed by Nanopartz for nanorods and spherical gold nanoparticles. Using Nanopartz patent pending and proprietary polymer caged, polyethylene glycol (PEG) terminated coatings, these particles find benefits in:
May operate in environments from pH= 3 to 11
May be stored at room temperature for up to one year (accelerated testing has shown 70 C for 2 weeks)
May operate in up to 1-2 M salt
May be concentrated to OD 5,000
Charge control, +, -, or neutral
Significantly reduced non-specific binding
With tunable absorptions in the visible from 515 nm up to 750 nm, these nanoparticles will find use in:
As multicolored multiplexed labels in lateral flow and dark field microscopy applications
Any gold nanoparticle based assay in 3rd world countries where refrigeration is not available
In vitro cellular uptake where charge control is important
Gold Nanobeads in different colors for multiplexing

Nanopartz is also experts in conjugating surface coatings to these gold nanoparticles. These conjugations provide the mechanical linkage necessary for many of these applications. These conjugations include amine, carboxyl, methyl, biotin, and neutravidin linkages.
These devices are now available production quantities. Nanopartz encourages partnerships with large suppliers of these products in the lateral flow marketplace. "We are very excited at the potential applications of these gold nanoparticles," said Shelley Coldiron, President of Nanopartz.
For more information, visit Nanopartz at http://www.nanopartz.com .
Gold Nanobeads with 1k Oligos attached


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