• aqueous
  • Microspheres of acrolein homopolymers and copolymer with hydrophillic comonomers such as methacrylic acid and/or hydroxyethylmethacrylate are prepared by cobalt gamma irradiation of dilute aqueous solutions of the monomers in presence of suspending agents, especially alkyl sulfates such as sodium dodecyl. (google.com)
  • On addition of the microspheres to waste aqueous streams containing dissolved ions, the hydroxyl and amine functionality of the chitosan forms chelates binding heavy metal cations such as lead, copper, and mercury and the chelates in turn bind anions such as nitrate, fluoride, phosphate and borate. (google.co.uk)
  • These microspheres are packaged as 2.5% aqueous suspensions. (polysciences.com)
  • When present in certain concentrations in aqueous solutions, proteinoids form small microspheres. (wikipedia.org)
  • photonic
  • Keywords: excimer, MDR, microcavity, microsphere, resonators, silicon photonics, WGM I. Introduction The need for low-cost photonic devices has stimulated a significant amount of research in silicon photonics. (slideshare.net)
  • Microspheres have been used to produce focal regions, known as photonic nanojets and whose sizes are below the micrometric scale. (wikipedia.org)
  • A measurable enhancement of the backscattered light in the visible range was obtained when a gold nanoparticle was placed inside the photonic nanojet region produced by a dielectric microsphere with a 4.4 μm diameter. (wikipedia.org)
  • polystyrene
  • The beads are not free of surfactant and contain surface carboxylic acid groups at higher concentration than the standard Polybead Polystyrene Carboxylate Microspheres. (polysciences.com)
  • Polystyrene microspheres are typically used in biomedical applications due to their ability to facilitate procedures such as cell sorting and immunoprecipitation. (wikipedia.org)
  • Proteins and ligands adsorb onto polystyrene readily and permanently, which makes polystyrene microspheres suitable for medical research and biological laboratory experiments. (wikipedia.org)
  • optical
  • Recently, microspheres are gaining an important place in the optical microcavity resonator community due to their high quality factor morphology-dependent resonances (MDRs). (slideshare.net)
  • A use of nanojets produced by transparent microspheres in order to excite optical active materials, under upconversion processes with different numbers of excitation photons, has been analyzed as well. (wikipedia.org)
  • The NANOPSIS M is the world's first super-resolution wide-field optical microscope that can resolve objects down to 70nm.Powered by SMAL (Super Resolution Microsphere Amplifying Lens) The microscope is the first commercial system to use microspheres with no need for direct contact with the sample. (wikipedia.org)
  • citation needed
  • citation needed] Binary fission (dividing into two daughter microspheres). (wikipedia.org)
  • citation needed] Fox thought that the microspheres may have provided a cell compartment within which organic molecules could have become concentrated and protected from the outside environment during the process of chemical evolution. (wikipedia.org)
  • polymer
  • After crosslinking of the structural polymer has taken place, the template polymer may be removed to form the finished microspheres. (google.com)
  • CeloNova's Embozene(TM) Microspheres consist of a hydrogel core and an exterior shell made from Polyzene®-F, CeloNova's proprietary polymer which is known to be anti-inflammatory and bacterial-resistant. (medgadget.com)
  • From the outset, we took a different approach to developing our Embozene(TM) Microspheres by asking physicians and medical scientists for the qualities and characteristics that the ideal embolic device should have," said Thomas A. Gordy, President and Chief Executive Officer, CeloNova BioSciences, Inc. "Then, we engineered Embozene(TM) Microspheres to have those properties, which are made even better with Polyzene®-F, our proprietary polymer. (medgadget.com)
  • Microspheres are also used in composites to fill polymer resins for specific characteristics such as weight, sandability and sealing surfaces. (wikipedia.org)
  • Glass microspheres, polymer microspheres and ceramic microspheres are commercially available. (wikipedia.org)
  • filler
  • The expanded microspheres are used as a lightweight filler in composite materials such as cultured marble, in waterborne paints and crack fillers/joint compound. (wikipedia.org)
  • When utilizing microspheres as a filler for standard mixing and dispensing machines, a breakage rate of up to 80% can occur, depending upon factors such as pump choice, material viscosity, material agitation, and temperature. (wikipedia.org)
  • diameter
  • 5. A composition according to claim 1 in which the microspheres contain from 1 to 25% metal and have a diameter from 500 angstroms to 1 micron. (google.co.uk)
  • The expanded microspheres are white, can be 15 to 90 micrometers in average diameter and can have a density of 15 to 70 kg/m³. (wikipedia.org)
  • Magnetic
  • The chitosan precipitates on the granules to form microspheres containing the magnetic granules. (google.co.uk)
  • The present invention relates to functional magnetic microspheres useful in the removal of soluble toxic materials such as lead, copper, mercury cations and nitrate, flouride, phosphate and borate anions from water. (google.co.uk)
  • glass
  • Patients got a total of 120 Gy of radiation in one or two doses from the glass encased microspheres, which Salem said did not travel beyond the liver in any cases. (medpagetoday.com)
  • Glass microspheres can be made by heating tiny droplets of dissolved water glass in a process known as ultrasonic spray pyrolysis (USP), and properties can be improved somewhat by using a chemical treatment to remove some of the sodium. (wikipedia.org)
  • Glass microspheres are also produced as waste product in coal-fired power stations. (wikipedia.org)
  • Cf. glass microspheres. (wikipedia.org)
  • Glass microspheres are FDA approved under a humanitarian device exemption for hepatocellular carcinoma (HCC). (wikipedia.org)
  • A recent single-blinded, prospective randomized trial was the first to compare transarterial chemoembolization (TACE) and Y-90 radioembolization with glass microspheres, with a primary endpoint of time to progression of HCC. (wikipedia.org)
  • liver
  • Sirtex Medical Limited is an Australian-based medical device company, providing a radioactive treatment for inoperable liver cancer called SIR-Spheres microspheres. (wikipedia.org)
  • When SIR-Spheres microspheres are used to treat liver cancer, the treatment is called selective internal radiation therapy (called SIRT). (wikipedia.org)
  • form
  • The microspheres directly form antibody adducts without agglomeration. (google.com)
  • 20. A method according to claim 1 further including the step of reacting the recovered microspheres with a compound of the formula: ##STR4## where R l is hydrogen or a hydrocarbon group, R Z is hydroxyl or R is selected from aliphatic or aromatic and Z is amine, hydroxyl or carboxyl to form an adduct. (google.com)
  • Currently, the typical methods used to form microspheres include forcing molten silicon out of a nozzle or melting the end of a fiber . (slideshare.net)
  • dependent
  • Silicon microspheres with high quality factor morphology dependent resonances are used for resonant detection and filtering of light in the near infrared. (slideshare.net)
  • excitation
  • Each microsphere is dyed with three different fluorescent dyes with excitation maxima of 377, 517 and 588nm, and emission maxima of 479, 546 and 612nm, respectively. (polysciences.com)
  • small
  • Just a small amount of spacer grade monodisperse microspheres can create a controlled gap, as well as define and maintain specified bond line thickness. (wikipedia.org)
  • Microsphere was a small British software company formed in Muswell Hill, north London in 1982 by husband and wife team David and Helen Reidy, best known for several popular computer games in the mid 1980s. (wikipedia.org)
  • method
  • 7. A method according to claim 4 in which the comonomer imparts a negative charge to the microsphere. (google.com)
  • 19. A method according to claim 1 further including the step of oxidizing the recovered microspheres to convert the aldehyde groups to carboxyl groups. (google.com)
  • The method described in this paper shows that microspheres can be formed with high yield and free of contamination. (slideshare.net)
  • For comparison, nanosheets-based ZnO or NiO microspheres were also prepared in the similar method. (springer.com)
  • materials
  • Microspheres can be manufactured from various natural and synthetic materials. (wikipedia.org)
  • In this area UMG specializes in the processing, production and sale of microspheres, dry ash, an ash and slag mix, granulated slag and other ash and slag materials (ASM) for ceramic, construction, cement, chemical, and oil and gas sectors. (wikipedia.org)
  • RESEARCH
  • Previous research has demonstrated experimentally and with simulations the use of microspheres in order to increase the signal intensity obtained in different experiments. (wikipedia.org)
  • suspension
  • Four design features distinguish Embozene(TM) Microspheres from other spherical embolics: biocompatibility, precise calibration, stable suspension, and structural stability. (medgadget.com)
  • Embozene(TM) Microspheres are precisely calibrated, they retain their shape after passing through a catheter, and they can stay in suspension for an extended time. (medgadget.com)
  • Embozene(TM) Microspheres maintain suspension better than any other embolic I've seen," said Dr. Lipman. (medgadget.com)
  • available
  • SeroMAP Microspheres are available at a concentration of 12.5 million beads/mL and are only available in a 4 mL vial size. (luminexcorp.com)
  • CeloNova plans to submit a supplemental 510(k) to the FDA to add three additional sizes, 75 micrometers, 1100 micrometers and 1300 micrometers, for a total of ten sizes including the smallest and the largest microspheres available for endovascular therapy. (medgadget.com)
  • LumAvidin Microspheres are available at a concentration of 2.5 million beads/mL and can be ordered in 1 mL vial sizes only. (luminexcorp.com)
  • sizes
  • The unique color enhancement of the microspheres and finely calibrated sizes make selection easy, efficient, and precise for the operator. (medgadget.com)