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59769

Sigma-Aldrich

聚苯乙烯微粒

size: 500 nm

同義詞:

PS 的乳胶珠, 聚苯乙烯橡胶微珠

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About This Item

MDL號碼:
分類程式碼代碼:
12352116
NACRES:
NA.32

形狀

aqueous suspension

濃度

10% (solids)

粒徑

500 nm

密度

1.05 g/cm3

儲存溫度

2-8°C

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一般說明

微颗粒或称乳胶珠常被称为聚苯乙烯微颗粒,是带负电荷的胶体颗粒。微颗粒是在受控条件下通过苯乙烯的聚合反应生产。反应的有利环境诱导了结合态珠的自发形成。微颗粒或称乳胶珠是以含聚合物颗粒水溶液的形式供应。聚苯乙烯′在589纳米下的折射率是1.5905 ,480纳米下是1.602。

應用

微颗粒或称乳胶珠可用于各种应用,如:

  • 电子显微镜术
  • 细胞计数仪校准
  • 免疫诊断学,特别是乳胶凝集测试和
  • 吞噬作用研究。.

分析報告

对每一批产品都使用 Coulter Multisizer 颗粒分析仪测定精确的产品粒度和标准偏差,精确度达 0.01μm。

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves


分析證明 (COA)

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Elizabeth M Walker et al.
Journal of colloid and interface science, 363(1), 307-313 (2011-08-16)
We have studied polydimethylsiloxane (PDMS)-in-1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF(6)]) Pickering emulsions stabilized by polystyrene microparticles with different surface chemistry. Surprisingly, in contrast to the consensus originating from oil/water Pickering emulsions in which the solid particles equilibrate at the oil-water droplet interfaces and
Shunmugaperumal Tamilvanan et al.
PDA journal of pharmaceutical science and technology, 62(3), 177-190 (2008-07-30)
The objective of this study is to select a multiple-unit sustained-release formulation and to compare it with both commercial immediate and single unit sustained-release capsules and also to determine whether an in vitro-in vivo correlation exists for single- and multiple-
Fiona A Sharp et al.
Proceedings of the National Academy of Sciences of the United States of America, 106(3), 870-875 (2009-01-14)
Many currently used and candidate vaccine adjuvants are particulate in nature, but their mechanism of action is not well understood. Here, we show that particulate adjuvants, including biodegradable poly(lactide-co-glycolide) (PLG) and polystyrene microparticles, dramatically enhance secretion of interleukin-1beta (IL-1beta) by
Sensitive Mie scattering immunoagglutination assay of porcine reproductive and respiratory syndrome virus (PRRSV) from lung tissue samples in a microfluidic chip.
Song JY, Lee CH, Choi EJ, Kim K, et al.
J. Virol. Methods, 178, 31-38 (2011)

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