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  • Name: Microsphere World
  • Id: EA001

Nano-Micro offers the largest selection of monodisperse nano and microspheres of various compositions and functionality. The microspheres can be porous, non-porous or core-shell structure with particle size ranging from 5 nanometers to 1000 microns. Our high performance microsphere products include:  

l Nonporous Silica Microsphers

l Porous Silica Microspheres

l Hallow Microspheres

l Nonporous Polystyrene Microspheres

l Nonporous Polymethacrylate

l Porous Polymethacrylate

l Magnetic Microspheres

l Nickel-Plated Microspheres

l Gold-Plated microspheres

l Silicone Microspheres

l Latex Particles

l More…….


Monodisperse microspheres of various particle size


Monodisperse microspheres with various morphology


Monodisperse microspheres with various functional group


Monodisperse microspheres of various compositions


Monodisperse Non-Crosslinked Polystyrene Particles

Nano-Micro provides highest quality and most complete line of monodisperse polystyrene particles for lab or large scale development in industry. The particles are non-crosslinked and therefore soluble in good solvents such as acetone, chloroform, THF, toluene, etc. These particles can be used for a wide range of applications. Among them are, for example, particle size standards, coating, LED, solar battery, etc.


Monodisperse Crosslinked Poly(styrene-co-divinylbenzene) Particles

Nano-Micro provides a series of monodisperse highly crosslinked polystyrene microparticles. In contrast to non-crosslinked polystyrene particles, highly crosslinked polystyrene particles exhibit much higher physical and chemical stability and are insoluble in organic solvents. These microspheres have excellent mechanical strength and show good dispersion as dry powder. 


Functionalized Monodisperse Poly(styrene-co-divinylbenzene) Particles

Nano-Micro provides monodisperse microspheres with various functional groups for a wide range of applications.


Monodisperse Porous Poly(styrene-co-divinylbenzene) Particles

Nano-Micro provides monodisperse porous (100 Å, 300 Å, 500 Å, 1000 Å) microspheres for a broad range of applications such as bioseparation, absorbent, solid phase extraction, etc.


Monodisperse Hollow-Core Particles

Monodisperse microspheres with a hollow core are also available from Nano-Micro. The composition can be either crosslinked polystyrene or silica. They are prepared with precisely controlled particle size and size distribution. The density of these particles are low and can be used broadly, for example, as delivery carrier for active ingredients, light weight material in automotive, aircraft, and defense industries. 


Monodisperse Core-Shell Polystyrene Particles

Monodisperse microspheres with a core-shell structure are designed and synthesized to perform various functions.  The core can be crosslinked polystyrene and shell can be a functionalized acrylic polymer. 


Monodisperse Non-porous Poly(methyl methacrylate) or PMMA Particles

Nano-Micro provides a series of monodisperse, non-porous PMMA particles from submicron to microns in size for light diffusion and cosmetic applications.


Monodisperse Porous Crosslinked Polyacrylic Particles

Nano-Micro provides a series of monodisperse porous crosslinked polyacrylic particles for purification and separation applications.


Monodisperse Porous Functional Polyacrylic Particles

Nano-Micro provides a series of monodisperse porous functional polyacrylic particles for high efficiency separation and purification of a wide range of biomolecules as well as enzyme support. The microspheres are composed of rigid, spherical, highly cross-linked polyacrylic polymers.


Magnetic Particles

Nano-Micro provides a series of products of magnetic particles with a narrow size distribution and superparamagnetism. These small magnetic particles have a resin core and an iron oxide layer sandwiched between the core and an outermost layer. These magnetic particles are of great interest in biotechnology/biomedicine and catalysis applications.


Monodisperse Porous Silica Particles

Nano-Micro Tech Co. has developed a breakthrough technology which allows manufacturing of ultra-pure porous silica microspheres with precisely controlled uniform particle size and narrow size distribution. In addition, these particles have optimized pore volume and special functional groups on the surface. Monodisperse porous silica gel is ideal for chromatography applications as well as catalyst support.


Monodisperse Non-Porous Silica Particles

Non-porous silica particles with a narrow particles size distribution are broadly used for cosmetic, light diffusion, plastic, and coating additives applications.


Metal-Plated Microparticles

Nano-Micro provides high quality nickel-plated particles and gold-plated particles for microelectronic interconnection. These electrically conductive particles have outstanding size uniformity, high conductivity, appropriate elasticity and strong adhesion between the metal layer and the resin core.





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