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使用动态光散射和带多角度光散射的非对称流场流分馏法测定水介质中聚苯乙烯胶乳纳米颗粒的准确尺寸和尺寸分布

Accurate Size and Size-Distribution Determination of Polystyrene Latex Nanoparticles in Aqueous Medium Using Dynamic Light Scattering and Asymmetrical Flow Field Flow Fractionation with Multi-Angle Light Scattering.

作者信息

Kato Haruhisa, Nakamura Ayako, Takahashi Kayori, Kinugasa Shinichi

机构信息

Polymer Standards Section Japan (PSSJ), Particle Measurement Section (PMS), National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8565, Japan.

出版信息

Nanomaterials (Basel). 2012 Jan 5;2(1):15-30. doi: 10.3390/nano2010015.

DOI:10.3390/nano2010015
PMID:28348293
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5327882/
Abstract

Accurate determination of the intensity-average diameter of polystyrene latex (PS-latex) by dynamic light scattering (DLS) was carried out through extrapolation of both the concentration of PS-latex and the observed scattering angle. Intensity-average diameter and size distribution were reliably determined by asymmetric flow field flow fractionation (AFFFF) using multi-angle light scattering (MALS) with consideration of band broadening in AFFFF separation. The intensity-average diameter determined by DLS and AFFFF-MALS agreed well within the estimated uncertainties, although the size distribution of PS-latex determined by DLS was less reliable in comparison with that determined by AFFFF-MALS.

摘要

通过对聚苯乙烯胶乳（PS-胶乳）浓度和观测散射角进行外推，利用动态光散射（DLS）准确测定了PS-胶乳的强度平均直径。考虑到不对称流场流分馏（AFFFF）分离中的谱带展宽，采用多角度光散射（MALS）的AFFFF法可靠地测定了强度平均直径和尺寸分布。尽管与AFFFF-MALS法测定的PS-胶乳尺寸分布相比，DLS法测定的尺寸分布可靠性较低，但在估计的不确定度范围内，DLS法和AFFFF-MALS法测定的强度平均直径吻合良好。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/44dff2c828f2/nanomaterials-02-00015-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/c75329e2429c/nanomaterials-02-00015-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/eaf9033e7124/nanomaterials-02-00015-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/a14c1d414769/nanomaterials-02-00015-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/f15717501443/nanomaterials-02-00015-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/6b3abce5af74/nanomaterials-02-00015-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/619a98562496/nanomaterials-02-00015-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/44dff2c828f2/nanomaterials-02-00015-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/c75329e2429c/nanomaterials-02-00015-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/eaf9033e7124/nanomaterials-02-00015-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/a14c1d414769/nanomaterials-02-00015-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/f15717501443/nanomaterials-02-00015-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/6b3abce5af74/nanomaterials-02-00015-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/619a98562496/nanomaterials-02-00015-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/c14c/5327882/44dff2c828f2/nanomaterials-02-00015-g007.jpg

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