• There are several different types of fluorescent polymer microspheres on the market that are manufactured from different materials and manufacturing processes, making them suitable for a variety of applications. (cospheric.com)
  • Polyethylene, polystyrene and expandable microspheres are the most common types of polymer microspheres. (wikipedia.org)
  • Expandable microspheres are polymer microspheres that are used as a blowing agent in e.g. puff ink, automotive underbody coatings and injection molding of thermoplastics. (wikipedia.org)
  • Expandable polymer microspheres can expand to more than 50 times their original size when heat is applied to them. (wikipedia.org)
  • In this work, the solid-in-oil-in-water (S/O/W) emulsion-solvent extraction/evaporation method was utilized to fabricate magnetic polymer microspheres incorporating SPIONs in PHBV. (nature.com)
  • Fluorescent microspheres are round spherical particles that emit bright colors when illuminated by UV light. (cospheric.com)
  • Microparticles are particles between 0.1 and 100 μm in size. (wikipedia.org)
  • Microspheres are small spherical particles, with diameters in the micrometer range (typically 1 μm to 1000 μm (1 mm). (wikipedia.org)
  • Small spherical particles are known as microspheres or microparticles. (redtrends.ca)
  • Everything about microspheres and research utilizing precision spherical particles. (microspheres.us)
  • Flow characteristics (ball-bearing effect) of spherical particles: Spherical shape of microparticles is often desirable because spheres and microspheres are well-known for their ball-bearing effect. (microspheres.us)
  • Monodisperse fluorescently labelled melamine resin particles were introduced by microParticles GmbH as a new and versatile product family in the late 1990's. (microparticles-shop.de)
  • Bright orange fluorescent spherical polymer particles in diameters between 1-5microns are supplied in dry powder form and are color-stable in solution. (cospheric.com)
  • This honors thesis investigates various microparticle fabrication techniques \u2014 two using mechanical agitation and one using fluid dynamics \u2014 with the long term goal of incorporating norepinephrine and adenosine into the particles for metabolic stimulatory purposes. (asu.edu)
  • 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. (microspheres.us)
  • To obtain the maximum efficiency, especially as a drug delivery system, these particles need to be fiber-free with spherical shape and have a uniform size distribution. (ac.ir)
  • Based on the SEM analysis, the G. lucidum extract (GLE) - PVP spherical particles were formed by electrospraying. (ugm.ac.id)
  • Solid and hollow microspheres vary widely in density and, therefore, are used for different applications. (wikipedia.org)
  • Hollow microspheres are typically used as additives to lower the density of a material. (wikipedia.org)
  • By equipping them with additive, functional nano- and microparticles, microcapsules and hollow microspheres or hydrogels, a wide range of functions can be implemented. (fraunhofer.de)
  • 3. Kawashima Y., Niwa T., Takeuchi H., Hino T., Ito Y., Preparation of multiple unit hollow microspheres (microballoons) with acrylic resins containing tranilast and their drug release characteristics (in vivo). (rjptonline.org)
  • The microsphere formulation method is a governing factor in the encapsulation and release of therapeutics. (ijpsr.com)
  • In addition, difficult factors including the type of lipids, the lipids molecular weight, the nature of any excipients added to the microsphere formulation and the microsphere size, can strongly impact the delivery rates 6 . (ijpsr.com)
  • 8. Shrivastava A. K., Floating microspheres of cimetidine: Formulation, characterization and in vitro evaluation. (rjptonline.org)
  • The prepared microspheres were evaluated for preformulation and post-formulation parameters. (rjpdft.com)
  • Formulation and In-vitro Evaluation of Mucoadhesive Microspheres loaded with Stavudine using Hydrophilic Macromolecular Polymers. (rjpdft.com)
  • The first section of this study involves the modification of SPIONs to obtain adequate stability of SPIONs in suspension and suitable interaction between hydrophobic PHBV solution and the surfaces of SPIONs during preparation of magnetic microspheres, which is presented in the second part of the study. (nature.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)
  • Synthesis of monodisperse quasi-spherical gold nanoparticles in water via silver(I)-assisted citrate reduction. (mpg.de)
  • PMMA spherical monodisperse latex microparticles. (plasmachem.com)
  • In addition to the benefits of conventional high quality microspheres, such as sphericity, smoothness and spreadability among others, fluorescent spheres offer extra sensitivity and detectability for analytical methods. (cospheric.com)
  • High sphericity of polyethylene microspheres, as well as availability of colored and fluorescent microspheres, makes them highly desirable for flow visualization and fluid flow analysis, microscopy techniques, health sciences, process troubleshooting and numerous research applications. (wikipedia.org)
  • The combination of bioactive glass microspheres/nanoparticles, freeze-drying and 3D printing, is expected to construct hierarchical porous scaffolds with oriented submillimetre pores (200-400 microns), and micron pores (10-80 microns), and nanopores. (funglass.eu)
  • The ratio of microspheres/nanoparticles, the structure of sacrificial scaffolds, freeze-drying and sintering conditions will be optimized for optimal mechanical properties, as well as efficiency of angiogenesis and cell penetration. (funglass.eu)
  • The microspheres/nanoparticles will also be doped with therapeutic ions including boron, cobalt, zinc, cerium, bismuth and gallium to achieve angiogenesis-promoting, antibacterial and anti-inflammatory biofunctions. (funglass.eu)
  • The microplastics ( fluorescent green microspheres , FMG-1.3 1-5 µm, a proprietary polymer with density of 1.3 g cm -3 and a melting point of 290°C) was purchased from Cospheric. (cospheric.com)
  • In general microspheres are solid or hollow and do not have a fluid inside, as opposed to microcapsules. (wikipedia.org)
  • Note: The absence of outer layer forming a distinct phase is important to distinguish microspheres from microcapsules because it leads to first-order diffusion phenomena, whereas diffusion is zero order in the case of microcapsules. (wikipedia.org)
  • Solid glass microspheres hemispherically coated with fluorescent coatings, a fluorescent coating is precisely applied to half of the core sphere, making the glass spheres appear colorful and fluorescent at daylight and exhibit bright fluorescent response under UV light. (microspheres.us)
  • The surface morphology of microspheres was characterized by scanning electron microscopy (SEM). (ijpsr.com)
  • The presence of functional groups of lauric acid, oleic acid and iron oxide in the PHBV microspheres was confirmed by Fourier Transform Infrared spectroscopy (FTIR). (nature.com)
  • The microparticles formed was analyzed using scanning electron microscope (SEM), fourier-transform infrared (FTIR) spectroscopy, and UV-Vis spectrofotometer. (ugm.ac.id)
  • IUPAC definition Microparticle of spherical shape without membrane or any distinct outer layer. (wikipedia.org)
  • Here, we describe poly (ethylene glycol) dimethacrylate (PEGDMA)-based microparticles, in the shape of microrods, loaded with beta nerve growth factor (β-NGF) for the purpose of promoting fracture repair. (frontiersin.org)
  • Does Shape of Microparticles Matter? (microspheres.us)
  • Spherical Shape: Offers excellent light scattering/opacity and washability. (cospheric.com)
  • Nanoplasmonic modification of the local morphology, shape, and wetting properties of nanoflake microparticles. (mpg.de)
  • Additionally, it influences the droplets' size and shape, which has an impact on the microspheres. (rjptonline.org)
  • An economically and technically promising process is the high-pressure melt spraying process, in which the polymers in the molten state are atomized under the influence of supercritical carbon dioxide (scCO2) into fine spherical powders. (fraunhofer.de)
  • In the present study, chitosan-loaded cisplatin microspheres were prepared and evaluated for dry powder inhalation delivery of cisplatin for local action of the drug in lungs, and thereby achieve improved therapy in lung cancer. (ijpsonline.com)
  • Cisplatin-loaded chitosan microspheres were prepared by emulsification and ionotropic gelation method, and characterized for drug content, particle size, densities, flow properties, moisture content, and surface topography by SEM and in vitro drug release was evaluated in simulated lung fluid at 37 0 at pH 7.4. (ijpsonline.com)
  • The objective of the present study was to formulate and evaluate mucoadhesive microspheres of stavudine using a combination of sodium alginate with hydrophilic mucoadhesive polymers like carbopol 934 and chitosan. (rjpdft.com)
  • All the studies concluded that carbopol mucoadhesive microspheres are better than chitosan mucoadhesive microspheres loaded with stavudine in all the evaluated parameters. (rjpdft.com)
  • Delivery platforms such as microspheres, liposomes, complexes with cyclodextrins, and conjugation with macromolecules have been explored for inhalational application [8]. (ijpsonline.com)
  • Liposomes are spherical structures that, most of the time, form vesicles. (encyclopedia.pub)
  • This work aimed to design a controlled-release drug-delivery system for lipid microspheres of Verapamil hydrochloride that would retain the drug in the stomach and continuously release the drug in a controlled manner up to a predetermined time. (ijpsr.com)
  • Lipid microspheres were prepared by using a melt solidification method. (ijpsr.com)
  • In most cases, good in vitro microsphere behavior was observed, and a broad variety of drug release patterns could be achieved by variation of the drug-lipid ratio. (ijpsr.com)
  • The principle of lipid microsphere preparation offers a simple and practical approach to achieve increased gastric residence time for the dosage form and controlled drug release 8 . (ijpsr.com)
  • The current study was conducted to prepare oral PGZ-loaded lipid microparticles (PGZ-LMPs) for improving PGZ's solubility and oral bioavailability and maintaining its sustained release. (japsonline.com)
  • Increased thermal stability, corrosion resistance, and minimization of volume changes related to conversion of the organic precursor to ceramics will be achieved through the addition of suitable active and passive oxide glass fillers prepared by flame synthesis in the form of microspheres. (funglass.eu)
  • Synthesis of porous PEG microgels using CaCO 3 microspheres as hard templates. (mpg.de)
  • Typically microspheres that are heavily loaded with fluorescent colorants are the most highly visible with the strongest fluorescent response. (cospheric.com)
  • Photonic nanojet super-resolution in immersed ordered assembly of dielectric microspheres. (smr.ru)
  • In microsphere experiments, a nanojet is produced near the focal plane, where its width is smaller than the Abbe limit and remains unchanged in the axial direction for certain wavelengths. (lidsen.com)
  • As PMPs, spherical fluorescent, plastic beads ranging 1-5 µm with a mean of 4.1 ± 1.0 µm (mean equivalent spherical diameter, ESD) and a density of 1.3 g cm -3 (Cospheric LLC, Goleta, USA) were used. (cospheric.com)
  • The study suggest that ethanol alters the release characteristics of the loaded BSA encapsulated in the microparticles supporting the use of a polar, protic solvent as a tool for tuning the delayed release profile of biological proteins. (asu.edu)
  • Microsphere drug delivery systems have been formulated by various techniques, including phase separation or precipitation, emulsion/solvent evaporation, and spraying, melt congeal /dispersion technique 7 . (ijpsr.com)
  • In this study, the production of PHBV microspheres with modified SPIONs was chosen via emulsion-solvent extraction/evaporation method. (nature.com)
  • HPMC and EC were combined to form glipizide-loaded floating microspheres using a solvent evaporation technique. (rjptonline.org)
  • The microparticles were prepared by the solvent injection technique using cetyl alcohol and surfactants. (japsonline.com)
  • Microparticles have a much larger surface-to-volume ratio than at the macroscale, and thus their behavior can be quite different. (wikipedia.org)
  • Microspheres are spherical microparticles, and are used where consistent and predictable particle surface area is important. (wikipedia.org)
  • The speed of a liquid lens is in general limited, because the liquid surface cannot follow fast voltage changes, while providing a spherical surface. (spie.org)
  • The surface was found to be rough due to the entrapment of some part of the drug on the surface of the microspheres. (rjpdft.com)
  • 11. Streubel A, Siepmann J, Bodmeier R. Multiple unit Gastroretentive drug delivery: a new preparation method for low density microparticles. (rjptonline.org)
  • Microspheres can be made from various natural and synthetic materials. (wikipedia.org)
  • This effect allows scientists and engineers to design blind tests and controlled experiments (e.g. simulate spread of viruses) where the microspheres are invisible to the operator doing the procedure until after the fact, therefore, eliminating any operator bias and uncertainty in the validity of experiment. (cospheric.com)
  • When choosing a controlled tracer particle for process development and troubleshooting, there are many benefits when microspheres simulate contamination. (microspheres.us)
  • Specific density of the fluorescent microparticle can be important if the spheres need to be suspended in a fluid and desired buoyancy is required. (cospheric.com)
  • These results confirmed that the fabricated magnetic PHBV microspheres are potential candidates for use in biomedical applications. (nature.com)
  • Several methods to increase the phase contrast in microsphere experiments have been described, which can be used for phase object measurements. (lidsen.com)
  • Therefore, most microsphere high-resolution experiments were conducted without plasmon interactions. (lidsen.com)
  • Hydrogel-based microparticle platforms may be a clinically relevant solution to create controlled and localized drug delivery to treat bone fractures. (frontiersin.org)
  • While PLGA systems are already applied in a wide variety the clinical setting [11], microparticles still have some way to go before they are viable systems for drug delivery. (asu.edu)
  • Microspheres drug delivery system have improved patient compliance, decreased toxicity, and increased efficacy. (ijpsr.com)
  • Controlled-release drug delivery employs devices such as polymer-based disks, rods, pellets, or microspheres - that encapsulates the drug and release it at controlled rates. (ijpsr.com)
  • They reported that these magnetic biopolymer microspheres could exhibit significant effect on magnetic contrast capability suitable for MRI application, demonstrating that the microspheres could be suitable also as drug delivery vehicles, in addition, such PHBV/SPION microspheres exhibited biocompatibility towards human T-lymphoma suspension cells and adherent colon carcinoma HT-29 cells. (nature.com)
  • The breakdown products of poly(lactide-co-glycolide) microspheres, for instance, are highly acidic, lowering the local pH and increasing the severity of inflammation in tissues (13). (pharmtech.com)
  • With microspheres growing in popularity as viable systems for targeted drug therapeutics, there exist a host of diseases and pathology induced side effects which could be treated with poly(lactic-co-glycolic acid) [PLGA] microparticle systems [6,10,12]. (asu.edu)
  • His Ph.D. thesis work was on "Applications and Characterization of Stimulated Raman Scattering in Microdroplets", which focused mainly on nonlinear laser spectroscopy of spherical microresonators. (ku.edu.tr)
  • A recent study showed that infused, negatively charged, immune-modifying microparticles could have therapeutic use in diseases caused or potentiated by inflammatory monocytes. (wikipedia.org)
  • What are applications of fluorescent microspheres? (cospheric.com)
  • Specifically fluorescent microspheres are often used for water- and air-flow testing and bead-based diagnostic applications. (cospheric.com)
  • This unique feature of fluorescent microspheres has numerous applications in biomedical research and process troubleshooting. (cospheric.com)
  • Many applications are also listed in the microsphere article. (wikipedia.org)
  • Solid microspheres have numerous applications depending on what material they are constructed of and what size they are. (wikipedia.org)
  • Glass microspheres are primarily used as a filler and volumizer for weight reduction, retro-reflector for highway safety, additive for cosmetics and adhesives, with limited applications in medical technology. (wikipedia.org)
  • Small fluorescent microspheres have numerous applications in biotechnology, medical research, medical devices, diagnostics, process troubleshooting and other fields of study. (cospheric.com)
  • Currently, Ali Serpengüzel is a Professor of Physics and the Founder and the Principal Investigator of the Microphotonics Research Laboratory at Koç University, where he is actively continuing his research on the photonic applications of microsphere resonators with an emphasis on silicon photonics and liquid crystal photonics. (ku.edu.tr)
  • Using digital holography, we characterize the tuning range of the focal length and the spherical aberration correction ability of the adaptive lens. (spie.org)
  • The operation at fixed trajectories in terms of focal length and spherical aberrations is demonstrated and investigated in terms of reproducibility. (spie.org)
  • Later, he joined Polytechnic University (now part of New York University), Microparticle Photophysics Laboratory as a Postdoctoral Research Associate, where he performed the first coupling experiment of solid microspheres to optical fibers. (ku.edu.tr)
  • The upper range may be between 300 and 700 nm, so this would give a size definition for microparticles of 0.3 to 300 μm or 0.7 to 700 micrometers. (wikipedia.org)
  • Microspheres with spherical shapes and narrow size distribution were formed. (ijpsr.com)
  • The mixing ratio of lipids with drug affected the size, size distribution, Yield, drug content, and drug release of microspheres. (ijpsr.com)
  • A collection of microspheres research articles across a variety of technical journals and publications. (microspheres.us)
  • He has now shifted much of his research effort into the Integrated Photonics with his group introduction of distributed meandering waveguides, as well as silicon microsphere based optoelectronic devices for optical fiber communication. (ku.edu.tr)
  • The primary objective of this research project is to develop dual layered polymeric microparticles with a tunable delayed release profile. (asu.edu)