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重要文件

L1528

Sigma-Aldrich

乳胶珠,硫酸盐改性聚苯乙烯,荧光橙

aqueous suspension, 0.1 μm mean particle size

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About This Item

MDL號碼:
分類程式碼代碼:
12352200
NACRES:
NA.56
暫時無法取得訂價和供貨情況

形狀

aqueous suspension

成份

Solids, 2.5%

技術

cell based assay: suitable

平均粒徑

0.1 μm

螢光

λex ~520 nm; λem ~540 nm

應用

cell analysis

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應用

硫酸盐改性的聚苯乙烯乳胶珠已用于开发一种电化学亚硝酸盐纳米传感器并被用于伏安研究中。硫酸盐改性的聚苯乙烯乳胶珠已用于解释某些细菌种类的分配行为。

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 2

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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分析證明 (COA)

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Hong Sun et al.
Biophysical chemistry, 110(3), 297-308 (2004-07-02)
A novel hemoglobin (Hb)-coated polystyrene (PS) latex bead film was deposited on pyrolytic graphite (PG) electrode surface. In the first step, positively charged Hb molecules in pH 5.0 buffers were adsorbed on the surface of negatively charged, 500 nm diameter
Delfine Cheng et al.
Micron (Oxford, England : 1993), 132, 102851-102851 (2020-02-25)
Kupffer cells are liver-resident macrophages that play an important role in mediating immune-related functions in mammals and humans. They are well-known for their capacity to phagocytose large amounts of waste complexes, cell debris, microbial particles and even malignant cells. Location
Electrochemical nitrite nanosensor developed with amine- and sulphate-functionalised polystyrene latex beads self-assembled on polyaniline
Muchindu, M., et al.
Electrochimica Acta, 55, 4274-4280 (2010)
Effect of ionic strength and ionic species on partitioning behavior of hydrophobic and hydrophilic polystyrene latex beads in aqueous two-phase polymer systems
Tripp, B.C., et al.
Colloids and Surfaces, B: Biointerfaces, 6, 151-164 (1996)

Questions

  1. Does this product (L1528) contains any dispersants (like surfactant) ? If its contains any surfactant at what concentration it is present?

    1 answer
    1. The latex bead preparations contain a proprietary surfactant at a range of 0.01% - 0.1%. Should aggregation occur, the addition of Tween 20 or Triton X-100 at 0.1% may be added to resuspend the particles.

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