Technical Publications

Size Optimized for Lateral Flow

Product Features:

• No capping agents or surfactants
• High-purity laser-fabrication
• Bare surface for efficient conjugation
• No capping agents or surfactants
• High colloidal stability during conjugation
• Long shelf-life
• Red color
• Size optimized for lateral flow immunoassays
• Use with 40 nm gold-platinum nanoparticles for multiplex lateral flow

Specifications:

• Average Size (by disc centrifugation): 40 ± 3 nm
• Size Distribution (%CV): <18%
• Peak Wavelength: 524.0 ± 2.5 nm

Protocols:

• Passive Conjugation of Proteins to i-colloid 40 nm OD1 Gold and Gold-Platinum Nanoparticles
• Passive Conjugation of Proteins to i-colloid 40 nm OD5 and OD10 Gold Nanoparticles
• i-colloid 40 nm Gold and Gold-Platinum Conjugation Optimization
• Sequential Conjugation to i-colloid 40 nm Gold Nanoparticles (coming soon)

Technical Notes:

• Consistent Lateral Flow Performance with i-colloid 40 nm Gold
• Equivalent Performance of i-colloid 40 nm Gold and Gold-Platinum
• Multicolor, Multiplex Lateral Flow with i-colloid Nanoparticles

Laser-fabricated, Surfactant-free

The 20 nm Gold nanoparticles are fabricated by pulsed-laser ablation.

Product Features:

• No capping agents or surfactants
• High biomolecule conjugation
• High purity and colloidal stability

Specifications:

• Average Size (by disc centrifugation): 20 ± 2 nm
• Size Distribution (%CV): <25%
• Peak Wavelength: 521.0 ± 2.5 nm

Protocols:

• Passive Conjugation of Proteins to i-colloid 20 nm Gold
• I-colloid Gold and Gold-Platinum Conjugation Optimization
• Sequential Conjugation to i-colloid 20 nm Gold

Technical Notes:

• Imaging with Multi-functionalized i-colloid 20 nm Gold

Laser-fabricated, surfactant-free

The 40 nm Gold-platinum nanoparticles are fabricated by pulse-laser ablation.

Product Features:

• High biomolecule conjugation with no capping agents or surfactants
• Homogeneous Gold and Platinum distribution
• Black color from absorption across entire visible spectrum
• High purity and colloidal stability
• Size optimized for lateral flow immunoassays
• Use with 40 nm gold nanoparticles for multiplex lateral flow

Specifications:

• Average Size (by disc centrifugation): 40 ± 5 nm
• Gold-Platinum absorbs in entire visible spectrum: OD is measured at 400 nm

Protocols:

• Passive Conjugation of Proteins to i-colloid 40 nm Gold and Gold-Platinum
• i-colloid Gold and Gold-Platinum Conjugation Optimization

Technical Notes:

• Equivalent Performance of i-colloid 40 nm Gold and Gold-Platinum
• Multicolor, Multiplex Lateral Flow with i-colloid Nanoparticles