Yes, antibodies can be adsorbed to the surface of these 20 µm polystyrene particles. However, this process occurs passively, in a nonspecific manner. For specific coupling, COOH-functionalized particle types are recommended.
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74491
Mikropartikel auf Polystyrolbasis
analytical standard, size: 20 μm
Synonym(e):
Latex-Beads aus PS
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| Packungsgröße | SKU | Verfügbarkeit | Preis |
|---|---|---|---|
| 5 mL | Warenkorb auf Verfügbarkeit prüfen | € 293,00 | |
| 10 mL | Warenkorb auf Verfügbarkeit prüfen | € 439,00 |
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Technischer Dienst
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Unterstützung erhaltengrade
analytical standard
Quality Segment
form
aqueous suspension, particles
crosslinking
2 % cross-linked
concentration
10% (solids)
technique(s)
diffraction/scattering: suitable
particle size
20 μm std dev <0.3 μm, coeff var <2%
density
1.05 g/cm3
application(s)
environmental
environmental
food and beverages
pharmaceutical
format
neat
storage temp.
2-8°C
General description
This polystyrene-based microparticle (size: 20 μm) size standard is ideal for profiling particle size distribution (PSD) of test samples.
Application
Used to standardize and monitor instrument particle size.
Also used:
Also used:
- to assess the effect of microplastics on zooplankton upon ingestion
- to calibrate microfluidic device based on size measurements
- in focused beam reflectance measurement (FBRM) based particle system characterization
Features and Benefits
- suitable for routine instrument calibration checks, testing and corrections
- available in 5 and 10 mL pack sizes as neat samples
Analysis Note
Für jede Charge werden die exakte Partikelgrösse und die Standardabweichung mit einer Genauigkeit von 0.01 μm unter Verwendung eines Coulter Multisizers bestimmt.
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Dieser Artikel | |||
|---|---|---|---|
| particle size 20 μm std dev <0.3 μm, coeff var <2% | particle size 15 μm std dev <0.2 μm, coeff var <2% | particle size 30 μm std dev <0.4 μm, coeff var <1% | particle size 25 μm std dev <0.4 μm, coeff var <2% |
| technique(s) diffraction/scattering: suitable | technique(s) diffraction/scattering: suitable, gas chromatography (GC): suitable | technique(s) diffraction/scattering: suitable | technique(s) diffraction/scattering: suitable |
| format neat | format neat | format neat | format neat |
| grade analytical standard | grade analytical standard | grade analytical standard | grade analytical standard |
| application(s) environmental | application(s) cosmetics | application(s) environmental | application(s) cosmetics |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
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Lagerklasse
10 - Combustible liquids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves
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In der Dokumentenbibliothek finden Sie die Dokumentation zu den Produkten, die Sie kürzlich erworben haben.
In situ single cell detection via microfluidic magnetic bead assay
Liu F, et al.
PLoS ONE, 12(2), e0172697-e0172697 (2017)
Microplastics alter the properties and sinking rates of zooplankton faecal pellets
Cole M, et al.
Environmental Science & Technology, 50(6), 3239-3246 (2016)
Interpretation of focused beam reflectance measurement (FBRM) data via simulated crystallization
Yu ZQ, et al.
Organic Process Research & Development, 12(4), 646-654 (2008)
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 74491-250ML-F | 04061837788970 |
| 74491-250ML | 04061837788963 |
| 74491-5ML-F | 04061832889429 |
| 74491-10ML-F | 04061837788956 |
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I wanted to couple antibodies on to Micro particles based on polystyrene (Cat No:74491) 20uM particles by Physical adsorption Pl let me know can this particles be used for passive adsorption of antibody on these PS particles
1 answer-
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Dear Mr., Ms, I would like to know what is the best buffer to dilute homogeneously those PS beads (ref. 74491). Is it better to use DI water ? Phosphate Buffer Solution ? Is it necessary to add surfactant and if yes at which concentration ? Thank you.
1 answer-
Microspheres are synthesized in water and should be stored in water. Deionized water is the best suspending medium, as high concentrations of ions may result in irreversible aggregation.
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1. What is the molecular weight of this product? 2. How many particles are there per mL?
1 answer-
This product is an aqueous suspension containing 10% solids in the form of polystyrene microparticles. The molecular weight of the starting material has not been determined. The particle count is not tested or reported on a lot-to-lot basis. However, historical information reveals an estimate of 2.0 - 2.4 x 10E7 particles/mL. This information is theoretical, based on concentration and particle size.
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We have this 5 mL of latex beads. I curious about how many beads in the bottle. It is important for our study. Thank you. Regards
1 answer-
The number of beads per bottle is not determined.
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