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Nanoparticles are microscopic particles with sizes in the nanometer scale. Due to their small size, the physical and chemical properties of nanoparticles can differ from the properties of the same materials with micron- or mm-scale dimensions. Nanomaterials often have unique optical, electronic, and mechanical properties. Most life science applications exploit the local surface plasmon resonance effects of nanomaterials for imaging or photonics applications. In biological systems, nanoparticle based biosensors have the distinct advantage of being able to penetrate into environments that normal sensors cannot reach. Gold nanoparticles have proven to be excellent biosensors and labels due to their unique optical properties. Silver nanoparticles are also useful biosensors, especially when paired with fluorescent detection methods. Alfa Aesar provides a range of both gold and silver nanoparticles for life science research. These products include particles that are unfunctionalized and also functionalized particles for easy conjugation to proteins, peptides and DNA.

  • Gold nanoparticles, 100nm, amine-functionalized, 3kDa PEGylated, OD50, 572nm absorption
  • Gold nanoparticles, 100nm, biotin-functionalized, PEGylated, OD50, supplied in purified water, 572nm absorption
  • Gold nanoparticles, 100nm, carboxy-functionalized, 3kDa PEGylated, OD50, 572nm absorption
  • Gold nanoparticles, 100nm, supplied in 0.1 mg/ml sodium citrate with stabilizer, OD1, 572nm absorption
  • Gold nanoparticles, 100nm, supplied in 0.1mM PBS, 95%, OD1, 572nm absorption
  • Gold nanoparticles, 100nm, supplied in 0.1mM PBS, reactant-free, 99%, OD1, 572nm absorption
  • Gold nanoparticles, 10nm, amine-functionalized, 3kDa PEGylated, D50, 520nm absorption
  • Gold nanoparticles, 10nm, biotin-functionalized, PEGylated, OD50, supplied in purified water, 520 nm absorption
  • Gold nanoparticles, 10nm, carboxy-functionalized, 3kDa PEGylated, OD50, 520nm absorption
  • Gold nanoparticles, 10nm, supplied in 0.1 mg/ml sodium citrate with stabilizer, OD1, 520nm absorption
  • Gold nanoparticles, 10nm, supplied in 0.1mM PBS, 95%, OD1, 520nm absorption
  • Gold nanoparticles, 10nm, supplied in 0.1mM PBS, reactant-free, 99%, OD1, 520nm absorption
  • Gold nanoparticles, 150nm, supplied in 0.1 mg/ml sodium citrate with stabilizer
  • Gold nanoparticles, 150nm, supplied in 0.1mM PBS, 95%
  • Gold nanoparticles, 150nm, supplied in 0.1mM PBS, reactant-free, 99%
  • Gold nanoparticles, 15nm, amine-functionalized, 3kDa PEGylated, 0D50, 520nm absorption
  • Gold nanoparticles, 15nm, biotin-functionalized, PEGylated, OD50, supplied in purified water, 520nm absorption
  • Gold nanoparticles, 15nm, carboxy-functionalized, 3kDa PEGylated, OD50, 520nm absorption
  • Gold nanoparticles, 15nm, supplied in 0.1 mg/ml sodium citrate with stabilizer, OD1, 520nm absorption
  • Gold nanoparticles, 15nm, supplied in 0.1mM PBS, 95%, OD1, 520nm absorption
  • Gold nanoparticles, 15nm, supplied in 0.1mM PBS, reactant-free, 99%, OD1, 520nm absorption
  • Gold nanoparticles, 15nm, Transferrin conjugated, OD3, supplied in 0.01M PBS (pH 7.4), 20% glycerol v/v, 1% BSA
  • Gold nanoparticles, 200nm, supplied in 0.1 mg/ml sodium citrate with stabilizer
  • Gold nanoparticles, 200nm, supplied in 0.1mM PBS, 95%
  • Gold nanoparticles, 200nm, supplied in 0.1mM PBS, reactant-free, 99%
  • Gold nanoparticles, 20nm, amine-functionalized, 3kDa PEGylated, OD50, 524nm absorption
  • Gold nanoparticles, 20nm, biotin-functionalized, PEGylated, OD50, supplied in purified water, 524nm absorption
  • Gold nanoparticles, 20nm, carboxy-functionalized, 3kDa PEGylated, OD50, 524nm absorption
  • Gold nanoparticles, 20nm, supplied in 0.1 mg/ml sodium citrate with stabilizer, OD1, 524nm absorption
  • Gold nanoparticles, 20nm, supplied in 0.1mM PBS, 95%, OD1, 524 nm absorption
  • Gold nanoparticles, 20nm, supplied in 0.1mM PBS, reactant-free, 99%, OD1, 524nm absorption
  • Gold nanoparticles, 250nm, supplied in 0.1 mg/ml sodium citrate with stabilizer
  • Gold nanoparticles, 250nm, supplied in 0.1mM PBS, 95%
  • Gold nanoparticles, 250nm, supplied in 0.1mM PBS, reactant-free, 99%
  • Gold nanoparticles, 300nm, supplied in 0.1 mg/ml sodium citrate with stabilizer
  • Gold nanoparticles, 300nm, supplied in 0.1mM PBS ,95%
  • Gold nanoparticles, 300nm, supplied in 0.1mM PBS, reactant-free, 99%
  • Gold nanoparticles, 30nm, amine-functionalized, 3kDa PEGylated, OD50, 526nm absorption
  • Gold nanoparticles, 30nm, biotin-functionalized, PEGylated, OD50, supplied in purified water, 526nm absorption
  • Gold nanoparticles, 30nm, carboxy-functionalized, 3kDa PEGylated, OD50, 526nm absorption
  • Gold nanoparticles, 30nm, supplied in 0.1 mg/ml sodium citrate with stabilizer, OD1, 526nm absorption
  • Gold nanoparticles, 30nm, supplied in 0.1mM PBS, 95%, OD1, 526nm absorption
  • Gold nanoparticles, 30nm, supplied in 0.1mM PBS, reactant-free, 99%, OD1, 526nm absorption
  • Gold nanoparticles, 400nm, supplied in 0.1 mg/ml sodium citrate with stabilizer
  • Gold nanoparticles, 400nm, supplied in 0.1mM PBS, 95%
  • Gold nanoparticles, 400nm, supplied in 0.1mM PBS, reactant-free, 99%
  • Gold nanoparticles, 40nm, amine-functionalized, 3kDa PEGylated, OD50, 530nm absorption
  • Gold nanoparticles, 40nm, biotin-functionalized, PEGylated, OD50, supplied in purified water, 530nm absorption
  • Gold nanoparticles, 40nm, carboxy-functionalized, 3kDa PEGylated, OD50, 530nm absorption
  • Gold nanoparticles, 40nm, supplied in 0.1 mg/ml sodium citrate with stabilizer, OD1, 530nm absorption

Produits chimiques

Sciences de la vie

Métaux et matériaux

Catalyseurs

Analytique et matériel de laboratoire