The intensity-weighted hydrodynamic diameter and size distribution of polymeric micelles were determined by laser light scattering technique (LLS) (Nano-2S 90 Zetasizer, Malvern, UK) at room temperature. The size distribution was given by polydispersity index (PDI, a value between 0 and 1). The surface charge of micelles was measured by electrophoretic light scattering technique on a zeta potential analyzer (Nano-2S 90 Zetasizer, Malvern, UK). All samples were measured in triplicate (n = 3).
Nano 2s 90
Manufactured by Malvern Panalytical
Sourced in United Kingdom
The Nano-2S 90 is a dynamic light scattering (DLS) instrument designed for the characterization of nanoparticles and macromolecules. It measures the size distribution and zeta potential of samples in liquid suspension. The instrument utilizes a 90-degree scattering angle to detect the Brownian motion of the particles and calculate their size using the Stokes-Einstein equation.
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Lab products found in correlation
2 protocols using nano 2s 90
1
Characterization of Polymeric Micelles
2
Graphene Nanomaterial Characterization
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TPP was purchased from J&K Chemical Co., Ltd. Graphene nanomaterial was obtained from Sigma-Aldrich (Shanghai, China). The size and shape of graphene were characterized using atomic force microscopy (AFM, Veeco Multimode 8 + bioscope catalyst, USA). The dynamic light scattering (DLS) with a ZetaPALS instrument (Malvern, Zeta sizer Nano Sizer, Nano-2S90, U.K.) was used to detect the size and charge distribution of graphene. Graphene stock dispersion (200 μL) was initially freeze-dried into graphene powders, which were then evaluated using a DXR Raman spectrophotometer (Thermal Fisher, USA) with a 633 nm laser source.
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