43302
Micro particles based on polystyrene
size: 100 nm
Synonym(s):
Latex beads from PS
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About This Item
Quality Level
form
aqueous suspension
concentration
10% (solids)
particle size
100 nm std dev ≤0.01 μm
density
1.05 g/cm3
storage temp.
2-8°C
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General description
Micro Particles or Latex Beads, commonly known as polystyrene microparticles, are negatively charged colloidal particles. The microparticles are produced through a polymerization reaction of styrene under controlled conditions. The conducive environment of the reaction induces spontaneous coalescent bead formation. Micro Particles or Latex beads are supplied in aqueous solutions composed of polymer particles with water. Polystyrene′s refractive index at 589 nm is 1.5905 and 1.602 at 486 nm.
Application
Micro Particles or Latex Beads is used for a wide variety of applications like:
- Electron Microscopy.
- Cell Counter Calibration.
- Immunodiagnostics, especially for latex agglutination tests, and
- Phagocytosis Research.
Analysis Note
For every lot exact values of particle size and standard deviation are determined with an accuracy of 0.01 μm using a Coulter Multisizer.
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.
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Jessie E P Sun et al.
Integrative biology : quantitative biosciences from nano to macro, 4(1), 84-92 (2011-11-29)
Integrins play a key role in cell-cell and cell-matrix interactions. Artificial surfaces grafted with integrin ligands, mimicking natural interfaces, have been used to study integrin-mediated cell adhesion. Here we report the use of a new chemical engineering technology in combination
Thomas Tschernig et al.
Experimental and toxicologic pathology : official journal of the Gesellschaft fur Toxikologische Pathologie, 65(6), 883-886 (2013-01-16)
Microparticles (MP) and fibres can be inhaled and cause inflammatory lung diseases. So far MP and fibres have not observed directly in the lung of living animals. A direct visualisation of particles and fibres would be important to study interactions
César Costa Vera et al.
Rapid communications in mass spectrometry : RCM, 19(2), 133-146 (2004-12-14)
The delayed ion extraction method has been used to study characteristics of the initial velocity distributions of positive and negative ions produced simultaneously by laser desorption/ionization (LDI) from non-impacted single aerosol polymeric particles, using a bipolar time-of-flight (TOF) instrument (LAMPAS
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