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44054

Supelco

Micro particles based on silicon dioxide

size: 5 μm

Synonyma:

Silica dioxide microsphere (5 μm), Micro silicon (5 μm), Beads based on silicon dioxide, microsize, Silicon dioxide beads

Přihlásitk zobrazení cen stanovených pro organizaci a smluvních cen

Vybrat velikost

5 ML
5 440,00 Kč

5 440,00 Kč

Obraťte se na zákaznický servis a vyžádejte si informaci o dostupnosti.
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Vybrat velikost

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5 ML
5 440,00 Kč

About This Item

MDL number:
MFCD00011232
UNSPSC Code:
41116107
PubChem Substance ID:
57650210
NACRES:
NA.25

5 440,00 Kč

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grade

analytical standard

Quality Level

100

form

aqueous suspension

concentration

5% (solids)

particle size

5 μm std dev ≤0.35 μm

application(s)

glass & ceramic
industrial qc
pharmaceutical

format

neat

storage temp.

2-8°C

SMILES string

O=[Si]=O

InChI

1S/O2Si/c1-3-2

InChI key

VYPSYNLAJGMNEJ-UHFFFAOYSA-N

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General description

Silicon dioxide based microparticles are ideal to determine particle size distribution (PSD) profile of test samples.
The particle diameter of 5 μm is measured using Coulter Multisizer.

Application

Used for regular calibration and checking of particle size instruments. Also used:
  • to study transport properties of microscopic particles via heterogeneous media[1]
  • as a test standard to validate denoising method used in optical diffraction tomography[2]
  • in accelerated annealing experiments involving colloidal silica monolayers[3]
  • to evaluate the measurement accuracy of color-coded LED microscopy (cLEDscope) technique[4]
  • as a calibration standard in optical trapping system to measure surface mechanical properties[5]

Features and Benefits

  • suitable for routine instrument calibration monitoring, testing and corrections
  • particle size traceable to Community Bureau of Reference (BCR) standards
  • available in 5 mL pack size as a neat sample

Storage Class

10 - Combustible liquids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves

Vyberte jednu z posledních verzí:

Osvědčení o analýze (COA)

Lot/Batch Number
BCCM8546
BCCM7559
BCCM6697
BCCM5421
BCCM4055

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Potřebujete-li konkrétní verzi, můžete vyhledat daný certifikát podle čísla dávky nebo čísla šarže.

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Nature communications, 10(1), 3380-3380 (2019-07-31)
Molecular motors are essential to the living, generating fluctuations that boost transport and assist assembly. Active colloids, that consume energy to move, hold similar potential for man-made materials controlled by forces generated from within. Yet, their use as a powerhouse
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Optical diffraction tomography (ODT) is a three-dimensional (3D) quantitative phase imaging technique, which enables the reconstruction of the 3D refractive index (RI) distribution of a transparent sample. Due to its fast, non-invasive, and quantitative imaging capability, ODT has emerged as
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Membrane mechanics of primary afferent neurons in the dorsal root ganglia of rats
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Biophysical Journal, 112(8), 1654-1662 (2017)
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In optical tomography, there exist certain spatial frequency components that cannot be measured due to the limited projection angles imposed by the numerical aperture of objective lenses. This limitation, often called as the missing cone problem, causes the under-estimation of
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Questions

1–3 of 3 Questions  

  1. What kind of methods/protocol is used to fabricate these silica microparticles? and is it bioactive with cells?

    1 answer

    1. The preparation method is considered proprietary. Information on bioactivity with cells is not available.

      Helpful?

  2. Are these Silica particles partly porous? What is the approximate refractive index?

    1 answer

    1. These beads are considered to be non-porous. BET experiments with comparable particles revealed practically no inner surface. As mentioned in the PROPERTIES section, the particle size is 5 μm with a standard deviation of ≤0.35 μm.

      Helpful?

  3. Are these silica particles charged? If yes, the what is surface charge density of these particles.

    1 answer

    1. The silica particles have not been tested for the presence or absence of a charge.

      Helpful?

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