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Model 90 plus

Manufactured by Brookhaven Instruments
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The Model 90 plus is a dynamic light scattering instrument designed for the measurement of particle size and molecular weight. It utilizes a laser light source and a fast digital correlator to analyze the Brownian motion of particles suspended in a liquid.

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90 Plus (81 citations)

3 protocols using model 90 plus

1

Mitochondrial Size Measurement

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The size of isolated mitochondria was measured using a laser light scattering particle size analyzer (Model #90 Plus; Brookhaven Instruments, Holtsville, NY, USA). Freshly prepared mitochondria were suspended in IB, and particle size measured.
Farah N.K., Liu X., Wu C.H, & Wu G.Y. (2019). An Improved Method for Preparation of Uniform and Functional Mitochondria from Fresh Liver. Journal of Clinical and Translational Hepatology, 7(1), 46-50.
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2

Particle Size and Zeta Potential Analysis

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The particle size distribution and zeta potential (to determine the stability of the formulation) of the diluted dispersed formulations were analyzed using a particle-size analyzer by Brookhaven (Model 90 plus, Particle Sizing unit). All self-emulsifying formulations were diluted at a ratio of 1:1000 v/v (formulation: Milli-Q water) and mixed for 1 min before analysis.
Kazi M., Alqahtani A., Alharbi M., Ahmad A., Hussain M.D., Alothaid H, & Aldughaim M.S. (2023). The Development and Optimization of Lipid-Based Self-Nanoemulsifying Drug Delivery Systems for the Intravenous Delivery of Propofol. Molecules, 28(3), 1492.
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3

Particle Size Analysis of Self-Emulsifying Formulations

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The particle size distribution and polydispersity index (PDI) of all the diluted self-emulsifying formulations were measured utilizing a particle size analyzer, Brookhaven (Model 90 plus, Particle Sizing system). The self-emulsifying formulations were diluted at a ratio of 1: 1000 v/v (formulation: water) and mixed for 1 min before testing [41 (link)].
Kazi M., Alhajri A., Alshehri S.M., Elzayat E.M., Al Meanazel O.T., Shakeel F., Noman O., Altamimi M.A, & Alanazi F.K. (2020). Enhancing Oral Bioavailability of Apigenin Using a Bioactive Self-Nanoemulsifying Drug Delivery System (Bio-SNEDDS): In Vitro, In Vivo and Stability Evaluations. Pharmaceutics, 12(8), 749.
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