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Metal Nanocrystals

  • Amine Gold Nanoparticles (CGA5K)

    from $248.00

    Amine gold nanoparticles suitable for conjugation of proteins and DNA using standard EDC/NHS coupling chemistry.

  • Biotin Gold Nanoparticles (CGB5K)

    from $248.00

    Biotin functionalized gold nanoparticles suitable for binding of streptavidin labelled conjugates.

  • Carboxylated Gold Nanoparticles (CGC5K)

    from $248.00

    Carboxylated gold nanoparticles suitable for conjugation of proteins using standard EDC/NHS coupling chemistry.

  • Methylated Gold Nanoparticles (CGM5K)

    from $248.00

    Gold nanoparticles perfect for use in applications that require particles resistant to protein adsorption.

  • Gold Nanoparticles In Water (AU)

    from $60.00

    Colloidal gold (Au) nanoparticles in water with citrate stabilizing ligand.

  • Gold NanoUrchins (GU)

    from $72.00

    Non-functionalized Gold NanoUrchins have unique optical properties compared to spherical gold nanoparticles of the same core diameter. The spiky uneven surface causes a red shift in the surface plasmon peak and a larger enhancement of electromagnetic fields at the tips of the Gold NanoUrchin spikes compared to that of a spherical particles. As an example, 100nm spherical gold nanoparticles have an SPR peak at 570nm while 100nm Gold NanoUrchins have a SPR peak at around 680nm. In addition, binding of ligands such as proteins to the Gold NanoUrchin surface causes a larger shift in the surface plasmon peak compared to standard spherical gold nanoparticles.

  • NHS Activated Gold Nanoparticle Kit (CGN5K & CGN10K)

    from $182.00

    NHS activated gold nanoparticles ideal for development of protein gold conjugates for use in applications such as blotting, lateral flow assays, microscopy and transmission electron microscopy (TEM).

  • NHS Activated Gold NanoUrchins (GUN10K)

    from $182.00

    NHS-activated Gold NanoUrchin Conjugation Kits optimized for high efficiency one-step conjugations of proteins and other primary amine-containing ligands to gold nanoparticles with diameters in the size range of 5nm-100nm. Ideal for development of protein gold conjugates for use in applications such as blotting, lateral flow assays, microscopy and transmission electron microscopy (TEM).

  • Standard Non-Functionalized Gold Nanocrystals (5nm - 90nm) (G)

    from $60.00

    Non-functionalized Surfactant Stabilized Gold Nanoparticles optimized for adsorption of thiolated ligands such as oligonucleotides and polyethylene glycols, and are more ideal for use in physical and optical applications and under harsher conditions, i.e. higher salt concentrations (up to 2M NaCl).

  • Standard Non-Functionalized Gold Nanocrystals (100nm - 400nm) (G)

    from $60.00

    Non-functionalized Surfactant Stabilized Gold Nanoparticles optimized for adsorption of thiolated ligands such as oligonucleotides and polyethylene glycols, and are more ideal for use in physical and optical applications and under harsher conditions, i.e. higher salt concentrations (up to 2M NaCl).

  • Reactant Free Gold Nanoparticles (5nm - 90nm) (GRF)

    from $94.00

    Non-functionalized Reactant Free Standard Gold Nanoparticles have been optimized for Cellular Studies, High Protein binding efficiency and Surfaced Enhanced Raman Spectroscopy (SERS).

  • Reactant Free Gold Nanoparticles (100nm - 400nm) (GRF)

    from $94.00

    Non-functionalized Reactant Free Standard Gold Nanoparticles have been optimized for Cellular Studies, High Protein binding efficiency and Surfaced Enhanced Raman Spectroscopy (SERS).

  • Reactant Free Silver Nanoparticles (SRF)

    from $86.00

    Reactant free silver nanoparticles are an ideal alternative to gold nanoparticles due to their absorption maximum in the 400nm range instead of 500nm for Gold nanoparticles. Silver nanoparticles retain the same protein and other ligand binding properties of Gold nanoparticles.

  • Non-Functionalized Silver Nanoparticles (S)

    from $54.00

    Silver nanoparticles are an ideal alternative to gold nanoparticles due to their absorption maximum in the 400nm range instead of 500nm for Gold nanoparticles. Silver nanoparticles retain the same protein and other ligand binding properties of Gold nanoparticles.

  • Carboxylated Silver Nanoparticles (SC5K)

    from $248.00

    Carboxylated silver nanoparticles suitable for conjugation of proteins using standard EDC/NHS coupling chemistry.

  • Methylated Silver Nanoparticles (SM5K)

    from $248.00

    Silver nanoparticles suitable for applications requiring minimal non-specific protein binding to the nanoparticles.

  • NHS Activated Silver Nanoparticle Kit (SN5K)

    from $182.00

    NHS activated silver nanoparticles designed for fast and convenient one-step conjugation reaction with no pre-activation requirements; ideal for development of protein silver conjugates for use in applications such as blotting, lateral flow assays, microscopy and transmission electron microscopy (TEM).