Density: 0.985g/cc - 1.005g/cc (Designed for Water Suspension)
Daylight Color: Fluorescent Red (607nm Peak)
Fluorescent Response: Fluorescent Red under 300-550nm wavelengths. Works well with Green Lasers. Peak emission of 607nm when excited at 575nm
Particles in Size Range: >90%
Spherical Particles: >90%

Polyethylene microspheres are hydrophobic and suspend easily in oil-based solutions. They can also be suspended in aqueous solution if coated with a surfactant prior to suspending in water. We recommend using Tween 80 or Tween 20 Surfactants.

Assessment of Fluorescent Particles for Surface Flow Analysis

Xu, Y., Qi, F., Mao, H. et al. In-situ transfer vat photopolymerization for transparent microfluidic device fabrication. Nat Commun 13, 918 (2022).