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DLS AvidNano W130i

Equipment: DLS AvidNano W130i
Technique: Dynamic Light Scattering (DLS)
Acquisition year: 2010
Responsible: Rita Branquinho /

Description: Dynamic Light Scattering (DLS) is one of the most popular light scattering techniques because it allows particle sizing down to 1 nm diameter. Typical applications are emulsions, micelles, polymers, proteins, nanoparticles or colloids. 

Specifications: 

  • Measurement range (hydrodynamic diameter): 1 – 1000 nm
  • Molecular weight range: 192 Da (e.g., caffeine) — 25 MDa
  • Min sample concentration: 0.1 mg/mL of lysozyme in phosphate buffer (1.9 nm radius), much lower concentration required for larger particles
  • Sample cuvette types (typical):

    • Blade cell, 5 µL polycarbonate disposable
    • Generic 12.5 mm square-walled cuvettes, 4 clear windows
  • Temperature control range: 0–90 °C
  • Temperature control accuracy: ±0.2 °C
  • Light source: 660 nm laser diode
  • Detector type: Photodiode module
  • Environmental conditions:Temperature range: 10–40 °C

Link for additional information (if any):
https://www.cenimat.fct.unl.pt/services/laboratory-electronic-and-optoelectronic-materials-and-devices/dynamic-light-scattering-dls-avidnano-w130i