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Merck
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Principaux documents

L3280

Sigma-Aldrich

Latex beads, carboxylate-modified polystyrene, fluorescent red

aqueous suspension, 0.5 μm mean particle size

Synonyme(s) :

Carboxylate Polystyrene Beads, Fluorescent Latex Beads

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1 ML
104,00 €

104,00 €

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1 ML
104,00 €

About This Item

Numéro MDL:
MFCD00131492
Code UNSPSC :
12162002
Nomenclature NACRES :
NA.56

104,00 €

Veuillez contacter notre Service Clients pour connaître la disponibilité de ce produit.

Forme

aqueous suspension

Composition

Solids, 2.5%

Technique(s)

cell based assay: suitable

Taille moyenne des particules

0.5 μm

Fluorescence

λex ~575 nm; λem ~610 nm

Application(s)

cell analysis

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Application

Carboxylate-modified polystyrene latex beads have been used to collect morphofunctional data about the immune systems of Carabus lefebvrei, a helicophagous Italian endemic ground beetle often used as an indicator of the habitat quality of the Apennines mountain forests. Carboxylate-modified polystyrene latex beads have also been used to inform comparative studies on immunity defense mechanisms of adults and larvae of the coleopteran Cetonischema aeruginosa and to investigate the phagocytic activity of cultured rat thyroid cells.
Latex beads, carboxylate-modified polystyrene, fluorescent red has been used:
  • along with Milli-Q for fluid dynamic studies [1]
  • along with bile salts for confocal studies [2]
  • for particle encapsulation [3]

Code de la classe de stockage

10 - Combustible liquids

Classe de danger pour l'eau (WGK)

WGK 3

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

Eyeshields, Gloves

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Certificats d'analyse (COA)

Lot/Batch Number
MKCX3446
MKCW0367
MKCS6365
MKCQ7681
MKCP7186

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Retrouvez la documentation relative aux produits que vous avez récemment achetés dans la Bibliothèque de documents.

Consulter la Bibliothèque de documents

Daeho Choi et al.
Soft matter, 15(23), 4647-4655 (2019-05-11)
Passive droplet generation for an aqueous two-phase system (ATPS) was performed with a fracture-based variable microchannel. A jet of dextran-rich phase (DEX) in a polyethylene-glycol (PEG)-rich phase was created by focused flow. The width of the inlet channel could be
Passive droplet generation in aqueous two-phase systems with a variable-width microchannel
Choi D, et al.
Soft Matter, 15(23), 4647-4655 (2019)
Adam Macierzanka et al.
PloS one, 9(4), e95274-e95274 (2014-04-24)
The final boundary between digested food and the cells that take up nutrients in the small intestine is a protective layer of mucus. In this work, the microstructural organization and permeability of the intestinal mucus have been determined under conditions
Adsorption of bile salts to particles allows penetration of intestinal mucus
Macierzanka A, et al.
Soft Matter, 7(18), 8077-8084 (2011)
C A Byersdorfer et al.
Journal of immunology (Baltimore, Md. : 1950), 167(12), 6756-6764 (2001-12-12)
We have used fluorescent latex beads, with or without covalently conjugated OVA, to facilitate study of Ag trafficking in the mouse lung and draining peribronchial lymph node (LN). At 6 h, and up to 48 h after intranasal administration, beads
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Questions

1–2 of 2 Questions  

  1. How many latex beads (500 nm) are present in 1 mL solution?

    1 answer

    1. Unfortunately, the bead count for this product has not been determined. The particle size is approximately 0.5 um and the solid content is approximately 2.5%. Please see the link below to review the full product specifications:
      https://www.sigmaaldrich.com/specification-sheets/357/795/L3280-BULK________SIGMA____.pdf

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  2. How many fluorescent beads (L3280) are in the 1 ml of the product?

    1 answer

    1. The bead count for this product is not a tested specification. As listed in the "Properties" section of the product detail page, the solids constitute 2.5% of the aqueous solution. This specification can also be viewed on the sample Certificate of Analysis: https://www.sigmaaldrich.com/certificates/sapfs/PROD/sap/certificate_pdfs/COFA/Q14/L3280-BULKMKCS6365.pdf.

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