Our protein A gold nanoparticles can optionally be conjugated with an optional fluorescent dye tag.
- Nanoparticle diameters available: 4 nm – 200 nm
- Dye labels: None, FAM, Cy3, Cy5, Cy7
- Volumes: 1mL, 3 mL
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Protein A Gold Nanoparticles
Protein A gold nanoparticles are a versatile tool used in various biomedical and research applications, primarily for in immunogold labeling, a technique used to visualize specific antigens in cells and tissues. This technique is especially powerful in electron microscopy, where the gold nanoparticles provide an electron dense label.
Other techniques for protein A gold nanoparticles include:
- Light microscopy (signal enhanced through silver enhancement)
- Immunoblotting
- Lateral flow assays
Product Details
Nanoparticle Diameter Options: 4 nm, 7 nm, 15 nm, 30 nm, 45 nm, 60 nm, 80 nm, 100 nm, 150 nm, 200 nm
Fluorophore Options: AFDye 488, AFDye 555, AFDye 647, IR750, None
Volume Options (@ 10 OD): 1 mL, 3 mL
Gold nanoparticles functionalized with Protein A.
Protein A binds human IgG, IgM, IgA, IgE
Protein A binds IgG from monkey, rabbit, pig, guinea pig, dog, and cat
These nanoparticles can be fluorescently labeled with an optional fluorescent dye tag
Core diameter: 4 nm – 200 nm
Absorbance peak: 520 – 850 nm
5 kDa PEG spacer, 2 kDa PEG backfill
Shelf life: > 4 months (4°C storage)
Supplied as liquid suspension in PBS
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