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NanoXact Gold Nanoshells – PVP

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Gold nanoshells consist of a silica core surrounded by a gold shell. By changing the ratio of the size of the core to the thickness of the shell, the plasmon resonance can be tuned across the visible and infrared.

Polyvinylpyrrolidone (PVP) is a large polymer that offers excellent steric stability. Great choice for particles that may be exposed to a broad range of salt, pH, and solvent conditions.

NanoXact materials are high quality, unagglomerated and monodisperse nanoparticles.

Provided at .05 mg/mL or 1 mg/mL in water.

 

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NanoXact Silver Nanospheres – PVP (Dried)

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Nanoparticle powder, specifically formulated to maintain the nanoparticles’ unique properties – no aggregation! Powder format allows greater flexibility with solvent choice and concentration.

Polyvinylpyrrolidone (PVP) helps maintain stability when particles are deposited onto a substrate or thin film.

NanoXact materials are high quality, unagglomerated and monodisperse nanoparticles.

Select Diameter
10 nm, 50 nm, 75 nm,100 nm

Select Mass
1 mg, 5 mg, 10 mg, 30 mg

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NanoXact Silver Nanospheres – Dodecanethiol (Dried)

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Nanoparticle powder, specifically formulated to maintain the nanoparticles’ unique properties – no aggregation! Powder format allows greater flexibility with solvent choice and concentration.

Dodecanethiol is a C12 carbon chain ligand surface that is compatible with various organic solvents, but insoluble in water. It is used for the preparation of hydrophobic or mixed self-assembled monolayers.

NanoXact materials are high quality, unagglomerated and monodisperse nanoparticles.

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1 mg, 5 mg, 25 mg, 50 mg

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NanoXact Silver Nanospheres – Bare (Citrate)

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Citrate is one of our most popular surface options; the “bare” surface is ideal for displacement with other molecules or ligands.

NanoXact materials are high quality, unagglomerated and monodisperse nanoparticles.

Provided at .02 mg/mL in a 2 mM sodium citrate solution.

Select Diameter
10 nm, 20 nm, 30 nm, 40 nm, 50 nm, 60 nm, 80 nm, 100 nm, 200 nm

Concentration
.02 mg/mL in 2 mM sodium citrate

Select Volume
50 mL, 100 mL, 500 mL, 1 L

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NanoXact Gold Nanoshells – PEG

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Gold nanoshells consist of a silica core surrounded by a gold shell. By changing the ratio of the size of the core to the thickness of the shell, the plasmon resonance can be tuned across the visible and infrared.

Polyethylene glycol (PEG) is a 5 kDa ligand that is covalently bound to the particle’s surface. The PEG surface provides the highest stability in aqueous buffers and protic solvents.

NanoXact materials are high quality, unagglomerated and monodisperse nanoparticles.

 

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NanoXact Gold Nanoshells – Carboxyl (Lipoic Acid) (SILICA CORE)

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Gold nanoshells consist of a silica core surrounded by a gold shell. By changing the ratio of the size of the core to the thickness of the shell, the plasmon resonance can be tuned across the visible and infrared.

Carboxyl (lipoic acid) is covalently bound to the metal surface with a dithiol which forms a strong, stable bond to the metal surface. The acid provides a highly negatively charged surface.

NanoXact materials are high quality, unagglomerated and monodisperse nanoparticles.

Provided at .05 mg/mL or 1 mg/mL in .02 mM potassium carbonate.

 

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BioReady Gold Nanoshells – NHS (Dried Kit)

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NHS-activated gold is provided dried with conjugation kit components that make initial conjugation sweeps easy – no EDC/NHS activation required, just add purified antibody and follow our simple protocol (below).

BioReady products are specially formulated for the attachment of a molecular recognition element such as an antibody for lateral flow and biodiagnostics.

Kit includes:

  • Lyophilized gold nanoshells that reconstitute to 20 OD; 100 µL per small unit and 1 mL per large unit
  • Easy-to-use detailed protocol (also available below to view before you buy)
  • Desalting buffer for antibody, reaction buffer, quencher, and conjugate diluent
  • Amicon® Ultra .5 mL spin filters for antibody buffer exchange/desalt

 

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BioReady Gold Nanoshells – Streptavidin

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BioReady Gold Nanoshells – Streptavidin Ultrabright label for lateral flow – up to 20× increases in lateral flow diagnostic sensitivity over 40 nm gold.

Streptavidin tetramer is covalently bound to the particle surface via an amide bond. Streptavidin gold conjugates can be used for convenient conjugation of any biotinylated antibody, protein or oligonucleotide.

BioReady products are specially formulated for the attachment of a molecular recognition element such as an antibody for lateral flow and biodiagnostics.

Provided at 10 OD in an aqueous conjugation buffer composed of .1× PBS, .5% BSA, and .05% azide

Diameter

150 nm

Concentration

10 OD in aqueous conjugation buffer

 

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