Microspheres Online

Everything about microspheres and research utilizing precision spherical particles.

Microspheres: Technologies and Global Markets

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An extensive market research report titled Microspheres: Technologies and Global Markets was recently published by BCC Research marketing firm. The microspheres report examines the spherical microparticles used as components in many advanced materials and composites, in the healthcare and personal care industries, and in many specialty research and development applications. The report estimates the size … Read more

Silica Microspheres – 6 micron mean Diameter

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Silica is a chemically stable inorganic synthetic material. It has the benefit of providing no irritation to human skin. Silica is essentially transparent, colorless and promote a high degree of slip in products. The skin feel is generally lubricious in nature. Spherical silica imparts exceptional lubricity to loose and pressed powder products. The effect is increased ‘play time’ and a luxurious feel. Spherical products with mean particle size between 3 to 10 micron will scatter light on the surface of its particle, ie which are transparent, but give natural coverage.

Monodisperse – Spacer Grade Microspheres

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Scientists are constantly looking for narrower particle size distributions (monodispersed) of microspheres to help increase the consistency and correlation between theoretical models and verification experiments.? In an effort to fill the increasing demand for these particles Cospheric has launched a new line of spacer grade microspheres. Monodisperse microspheres are currently offered in diameters of:?? 21-24um, … Read more

Patent Review: Use of Adsorbent Carbon Microspheres for Treatment of Irritable Bowel Syndrome

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One embodiment disclosed herein includes a method of treating one or more symptoms of irritable bowel syndrome by administering to the subject adsorbent carbon microspheres with a particle size of 0.01mm to about 2 mm to reduce the abdominal discomfort or pain. In one embodiment, the amount of the adsorbent carbon microspheres is sufficient to achieve at least about a 50% reduction in the number of days the subject experiences abdominal pain or discomfort.

Patent Review: Preparation of Swellable and Deformable Microspheres

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United States Patent number 7,794,755 was issued on September 14, 2010, describing the process for preparation of swellable and deformable microspheres. The patent is assigned to E.I. du Pont de Nemours and cites Figuly, Mahajan, and Schiffino as inventors.

ParaMagnetic Microspheres

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These highly spherical polyethylene microspheres offer the flow-ability of standard microspheres, with the ability to be separated from other materials for re-use and cleanup.

Metal-Coated Microspheres – Conductive Coating

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Metal-Coated Microspheres - Hollow Glass

Electrically conductive microspheres are produced by applying a metallic silver coating to the surface of the microspheres, thus giving the advantages of a metal particle with the additional properties of the core microsphere. Typically hollow glass microspheres are silver coated as this offers the combination of a low density filler and a conductive particle. Coatings with EMI shielding of greater than 45db have been produced by adding as little as 20% by weight of M-18 silver coated microspheres.

Technical Properties of PMMA Microspheres

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PMMA Microspheres - Technical Specifications

In this article we will discuss the applications and technical properties of PMMA microspheres. What are PMMA Microspheres? PMMA micropsheres are also known as Poly(methyl methacrylate) or acrylic microspheres. PMMA, an ester of methacrylic acid (CH2=C[CH3]CO2H), is a synthetic resin produced from the polymerization of methyl methacrylate. Ever since PMMA resin was discovered and first … Read more

Fluorochromes – Excitation and Emission Wavelengths Reference Table

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Below is a useful reference table of various Fluorochromes that can be used in research requiring precise responses. For more information about Fluorescent Microspheres that utilize fluorochromes please refer to the related article titled “Fluorescent Microspheres – Properties and Applications.”

The fluorochrome table is also available for download as a pdf.

Table of Excitation and Emission Wavelengths

FLUOROCHROME EXCITATION(nm)
 EMISSION (nm)
3-Hydroxypyrene 5,8,10-Tri Sulfonic acid 403 513
5-Hydroxy Tryptamine 380-415 520-530
5-Hydroxy Tryptamine (5-HT) 400 530
Acid Fuchsin 540 630
Acridine Orange (bound to DNA) 502 526
Acridine Red 455-600 560-680
Acridine Yellow 470 550
Acriflavin 436 520
AFA (Acriflavin Feulgen SITSA) 355-425 460
Alizarin Complexon 530-560 580
Alizarin Red 530-560 580
Allophycocyanin 650 661
ACMA 430 474
Aminoactinomycin D 555 655
Aminocoumarin 350 445
Anthroyl Stearate 361-381 446
Astrazon Brilliant Red 4G 500 585
Astrazon Orange R 470 540
Astrazon Red 6B 520 595
Astrazon Yellow 7 GLL 450 480
Atabrine 436 490
Auramine 460 550
Aurophosphine 450-490 515
Aurophosphine G

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Microspheres Online

About us:

We are compiling a digital database on everything that has to do with microspheres and creating a destination for scientists working with  precision spherical particles.

What we offer:
  • introduction to microsphere products and their uses;
  • technical information and what specifications are important;
  • overview of published articles and research using microspheres;
  • support in sourcing the right material for your project and more.
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