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L9529

Latex beads, amine-modified polystyrene, fluorescent orange

aqueous suspension, 2.0 μm mean particle size

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About This Item

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

aqueous suspension

composition

Solids, 2.4-2.6%

mean particle size

2.0 μm

fluorescence

λex ~520 nm; λem ~540 nm

Application

Latex beads, amine-modified polystyrene, fluorescent orange has been used in functionalized microbeads for rapid antimicrobial susceptibility testing (AST) evaluation.[1][2] 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.

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This Item
L9654L9904L1403
form

aqueous suspension

form

aqueous suspension

form

aqueous suspension

form

aqueous suspension

composition

Solids, 2.4-2.6%

composition

Solids, 2.4-2.6%

composition

Solids, 2.5%

composition

Solids, 2.5%

mean particle size

2.0 μm

mean particle size

1.0 μm

mean particle size

0.1 μm

mean particle size

0.5 μm

fluorescence

λex ~520 nm; λem ~540 nm

fluorescence

λex ~520 nm; λem ~540 nm

fluorescence

λex ~475 nm; λem ~540 nm

fluorescence

λex ~520 nm; λem ~540 nm

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

-


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Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable



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Questions

  1. The specified output emission is 540nm, which is green. However, the beads are labelled "yellow to orange". When exciting with green I detect fluorescence at 600nm on my spectrometer, which is yellow to orange. Is 540 the actual expected emission? or 600?

    1 answer
    1. The excitation range for this product is 470 nm to 525 nm, and the emission range is 535 nm to 650 nm.

      Helpful?

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