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L9529

Sigma-Aldrich

Latex beads, amine-modified polystyrene, fluorescent orange

aqueous suspension, 2.0 μm mean particle size

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About This Item

MDL number:
UNSPSC Code:
12352116
NACRES:
NA.56

form

aqueous suspension

composition

Solids, 2.4-2.6%

mean particle size

2.0 μm

fluorescence

λex ~520 nm; λem ~540 nm

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Application

Latex beads, amine-modified polystyrene, fluorescent orange has been used in functionalized microbeads for rapid antimicrobial susceptibility testing (AST) evaluation. It has also been used in microparticle functionalization for the detection of live bacteria.

Biochem/physiol Actions

Amine-modified polystyrene latex beads have been used to develop an electrochemical nitrite nanosensor as well as to validate a pharyngeal aspiration technique for exposing the mouse lung to respirable particles.

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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J Geys et al.
Toxicology letters, 160(3), 218-226 (2005-09-03)
Recent studies indicate that inhaled ultrafine particles can pass into the circulation. To study this translocation in an in vitro model three types of pulmonary epithelial cells were examined. The integrity of the cell monolayer was verified by measuring the
Development of a self-driving bioassay based on diffusion for simple detection of microorganisms
Wang J C, et al.
Sensors and Actuators B, Chemical, 278, 140-146 (2019)
Ninad Mehendale et al.
Biomedical microdevices, 20(1), 6-6 (2017-12-01)
Pillar-based microfluidic sorting devices are preferred for isolation of rare cells due to their simple designs and passive operation. Dead-end pillar filters can efficiently capture large rare cells, such as, circulating tumor cells (CTCs), nucleated red blood cells (NRBCs), CD4
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)
Jhih-Cheng Wang et al.
ACS sensors, 3(10), 2182-2190 (2018-09-18)
Rapid detection of bacteria and their susceptibility to specific antibiotics plays a vital role in microbial infection treatments. Antimicrobial susceptibility testing (AST) is a common measure to select effective drugs. However, the conventional practices, such as broth dilution, E-test, and

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