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Merck
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L9904

Sigma-Aldrich

Latex beads, amine-modified polystyrene, fluorescent orange

aqueous suspension, 0.1 μm mean particle size

Sinonimo/i:

Amine-Modified Latex Beads, Fluorescent Orange Beads

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1 ML
CHF 80.40

CHF 80.40

Spedizione prevista il30 maggio 2025

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1 ML
CHF 80.40

About This Item

Numero MDL:
MFCD00131492
Codice UNSPSC:
12352116
NACRES:
NA.56

CHF 80.40

Spedizione prevista il30 maggio 2025

Stato

aqueous suspension

Composizione

Solids, 2.5%

tecniche

cell based assay: suitable

Dimens. media particelle

0.1 μm

Fluorescenza

λex ~475 nm; λem ~540 nm

applicazioni

cell analysis

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Applicazioni

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.
Latex beads, amine-modified polystyrene, fluorescent orange has been used in the preparation of nano-particles in biophysical characterization.[1] It has also been used in the preparation of nano-particles for cytotoxicity studies in yeast and cell lines.[2][3]

Codice della classe di stoccaggio

10 - Combustible liquids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

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Certificati d'analisi (COA)

Lot/Batch Number
MKCW3102
MKCS7112
MKCP8657
MKCM7169
MKCL4603

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Edwin H Shin et al.
Nanoscale, 5(13), 5879-5886 (2013-05-24)
The use of nanoparticles for cellular therapeutic or sensing applications requires nanoparticles to bind, or adhere, to the cell surface. While nanoparticle parameters such as size, shape, charge, and composition are important factors in cellular binding, the cell itself must
Exposure of the yeast Saccharomyces cerevisiae to functionalized polystyrene latex nanoparticles: influence of surface charge on toxicity
Nomura T, et al.
Environmental Science & Technology, 47(7), 3417-3423 (2013)
Esen Efeoglu et al.
The Analyst, 142(18), 3500-3513 (2017-08-24)
Nanotoxicology has become an established area of science due to growing concerns over the production and potential use of nanomaterials in a wide-range of areas from pharmaceutics to nanomedicine. Although different cytotoxicity assays have been developed and are widely used
Christiane Höppener et al.
Small (Weinheim an der Bergstrasse, Germany), 16(17), e1907418-e1907418 (2020-04-01)
Understanding the property-function relation of nanoparticles in various application fields involves determining their physicochemical properties, which is still a remaining challenge to date. While a multitude of different characterization tools can be applied, these methods by themselves can only provide
Suainibhe Kelly et al.
Nanoscale, 13(41), 17615-17628 (2021-10-19)
The use of nanomaterials as therapeutic delivery vehicles requires their careful pre-clinical evaluation. Of particular importance in this regard is measurement of cellular toxicity, ideally assessing multiple parameters in parallel from various relevant subcellular organelles. In recent years it has
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Questions

1–3 of 3 Questions  

  1. is it possible to know the molecoar weight to calculate the molarity of the suspension?

    1 answer

    1. Unfortunately, the molecular weight of this product is not determined.

      Helpful?

  2. How did you verify the amine coating? What spectroscopy method have you used to verify the amine coating? Can you show the result that proves that the amine has been coated? (For example, if you have done FTIR, then can you show us the peaks)

    1 answer

    1. The amine modification of these beads is validated through an extensive series of titrations. Unfortunately, the method is considered proprietary. There is no specific documentation or data available to share.

      Helpful?

  3. what is the concentration of polystyrene microplastic [mg/ml] in this product No. L9904

    1 answer

    1. The concentration of this aqueous suspension is 2.5% w/v or 2.5g/100 mL. This equates to 25mg per 1 mL package.

      Helpful?

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