Your Outsourcing Partner for Protein Research and Production Services

To meet the needs of our clients, Exon BioSystems provides protein characterization of our expressed protein to insure the quality of recombinant protein.

Recombinant Protein Expression

Exon BioSystems is a protein contract research and production services company specializing in recombinant protein expression, protein purification, and protein characterization.

Antibody Engineering

Additional areas of expertise include assay development of G-protein coupled receptor, recombinant vaccine development and recombinant antibody production.

Biologics

Exon BioSystems is a protein contract research and production services company specializing in recombinant protein expression, protein purification, and protein characterization.

Products

Micron Series


Catalog #: Diameter, µm: Material: NIST Traceable: Package, mL:
PS 1.5, 2.0, 3.0, 4.0, 5.0, 6.0,
7.0, 8.0, 9.0, 10.0, 15.0,
20.0, 25.0, 30.0, 35.0, 40.0,
45.0, 75.0, 80.0, 95.0, 100,
105, 120, 125, 140, 150,
180, 190, 200
Crosslinked
Polystyrene
Yes 10
PA 1.0, 2.0, 3.0, 4.0, 5.0, 6.0,
7.0, 8.0, 9.0, 10.0
Crosslinked
Poly(methyl
methacrylate)
Yes 10
Si 1.0, 2.0, 3.0, 4.0, 5.0, 6.0,
7.0, 8.0, 9.0, 10.0, 13.0,
17.0, 22.0
Silica Yes 10

Description:

  1. Particle standards are a set of uniform spheres that are used as a size reference to estimate the sizes of other particulates, biomolecules, and living organisms. These particles are also used in QC as well as the validation of analytical methods. This series consists of a CrossLinked Polystyrene strain, a CrossLinked Poly(methyl methacrylate) strain, and a Silica strain. The Crosslinked strains are more stable than non-crosslinked particles and do not aggregate upon drying. The Silica strain has fewer available sizes but is denser and more durable than the Polystyrene strain. These size standards are valuable in applications including microscopy, physical measurement of micron and submicron sizes, study of colloid systems and equipment efficiency.

Diameter Range:

  1. 10nm ~ 1000µm

Density, g/cm3:

  1. Polystyrene(Crosslinked): 1.05
  2. Polystyrene(Non-Crosslinked): 1.08
  3. Poly(methyl methacrylate): 1.18
  4. Silica: 2.20

Refractive Index, nD25:

  1. Polystyrene: 1.59
  2. Poly(methyl methacrylate): 1.49
  3. Silica: 1.45

Valid Storage Time:

  1. 12 months

Storage:

  1. Room temperature or refrigerated with lid tightly in place.