This product consists of non-crosslinked polystyrene beads; crosslinking density is not applicable. The beads have a mean diameter of 0.103 µm with a standard deviation of 0.004 µm.
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43302
Mikropartikel auf Polystyrolbasis
size: 100 nm
Synonym(e):
Latex-Beads aus PS
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| Größe/SKU | Verfügbarkeit | Preis |
|---|---|---|
5 mL | Warenkorb auf Verfügbarkeit prüfen | € 309,00 |
10 mL | Warenkorb auf Verfügbarkeit prüfen | € 548,00 |
Über diesen Artikel
Technischer Dienst
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Unterstützung erhaltenQuality Segment
form
aqueous suspension
concentration
10% (solids)
technique(s)
protein detection: suitable
particle size
100 nm std dev ≤0.01 μm
solubility
water: soluble at 20 °C
density
1.05 g/cm3
storage temp.
2-8°C
General description
Micro Particles or Latex Beads, commonly known as polystyrene microparticles, are negatively charged colloidal particles. The microparticles are produced through a polymerization reaction of styrene under controlled conditions. The conducive environment of the reaction induces spontaneous coalescent bead formation. Micro Particles or Latex beads are supplied in aqueous solutions composed of polymer particles with water. Polystyrene′s refractive index at 589 nm is 1.5905 and 1.602 at 486 nm.
Application
Micro Particles or Latex Beads is used for a wide variety of applications like:
- Electron Microscopy.
- Cell Counter Calibration.
- Immunodiagnostics, especially for latex agglutination tests, and
- Phagocytosis Research.
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 | |||
|---|---|---|---|
| description size: 100 nm | description size: 1 μm | description size: 800 nm | description size: 200 nm |
| particle size 100 nm std dev ≤0.01 μm | particle size 1 μm std dev <0.1 μm, coeff var <5% | particle size 800 nm std dev ≤0.03 μm | particle size 200 nm |
| form aqueous suspension | form aqueous suspension | form aqueous suspension | form aqueous suspension |
| concentration 10% (solids) | concentration 10% (solids) | concentration 10% (solids) | concentration 10% (solids) |
| storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C | storage temp. 2-8°C |
| Quality Level 100 | Quality Level 100 | Quality Level 100 | Quality Level 100 |
| density 1.05 g/cm3 | density 1.05 g/cm3 | density 1.05 g/cm3 | density 1.05 g/cm3 |
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Lagerklasse
10 - Combustible liquids
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
PSA (Persönliche Schutzausrüstung)
Eyeshields, Gloves
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Is there information on the crosslinking density for these polystyrene beads?
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Is it possible to use the Micro particles based on polystyrene (100 nm or 1 mcm) for cell stimulation (like PBMCs) in vitro?
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These polystyrene beads have not been tested for suitability in cell stimulation or other in vitro applictions. The end user would have to determine suitability. The available Peer Reviewed Papers indicate that these microparticles have been used successfully in other in vitro and in vivo applications. Please see the links below to review publications that may be of interest:
https://pmc.ncbi.nlm.nih.gov/articles/PMC3337774/
https://www.sciencedirect.com/science/article/pii/S0940299312001510Helpful?
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Is there any information on the pH of the micro particle in the solution?
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The pH of this product has not been investigated.
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Hello! Could you please provide the molecular weight (g/mol) of these particles?
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The molecular weight for this product is not determined.
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Hi, Are these particles suitable to create a template layer for coating?? I am looking for something easy to remove, so non-functionalized and non-crosslinked Thanks for helping
1 answer-
Polystyrene latex beads, often used as templates in material science, are versatile spheres that can be coated for various applications. These particles possess a negative charge and have residual sulfate end groups as a result of the manufacturing process. This is not considered to be a functional group as would a carboxyl-, aldehyde-, or amine-functionalized product.
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Could you please let me know if your microparticle solutions have a known concentration expressed in particles per liter (particles/L)?
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For this and other micro particles/latex beads products, only the nominal particle diameter and solid content are reported. Concentration expressed as articles per liter is not reported.
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When measured by UV-vis, at what absorption peak does this bead appear?
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The product was not test using the UV-vis system. Therefore, the data are not available.
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Are the microparticles in a suspension sterile? Or is it possible to sterilize the suspension?
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The polystyrene microparticles offered for sale are not sterile.
Although autoclaving is a common method of sterilization, polystyrene microparticles are not autoclavable. Filter sterilization is also not a practical method. There are no available protocols for sterilizing polystyrene microparticles. From the remaining methods for sterilization, it should be possible to sterilize in 70% ethanol for 30 minutes and then rinse away the ethanol with sterile water. For small batches, UV radiation would be another option.Helpful?
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What kind of surface modification are performed on these particles?
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These particles possess a negative charge and have residual sulfate end groups as a result of the manufacturing process. This is not considered to be a functional group as would a carboxyl-, aldehyde-, or amine-functionalized product.
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Tween 20과 같은 분산제가 함께 첨가되었는지 문의드립니다.
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Micro Particles or Latex beads are supplied in aqueous solutions composed of polymer particles with water. No surfactant has been added.
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