Amino Magnetic Beads

Amino Magnetic Beads are superparamagnetic beads with rich amino groups on the surface thus can bind to polypeptides, antibodies and other proteins, oligonucleotides and certain chemical compounds with certain chemical reagent (such as glutaraldehyde). Amino magnetic nanoparticles are widely used as an important carrier of the medical and molecular biology [...]


Affinity Chromatography Media

The metal chelating affinity chromatography media supplied by EPRUI Biotech is made up of highly crosslinked monodisperse polyacrylate microspheres. It is widely used in the purification of His-tagged recombinant proteins. The immobilized metal affinity chromatography resin provides exceptional binding capacity and performance for recombinant tagged protein purification. The first [...]


Vanco Chromatography Medium

EPRUI Biotech has developed a vancomycin purification chromatography medium which is specially designed for high efficient separation and purification of Vancomycin. EPRUI vanco chromatography media is a spherical and monodisperse microspheres with precisely controlled particle size and optimized pore structure. EPRUI Vanco chromatography media  provides excellent selectivity, high retention [...]


Stevia Extraction Chromatography Media

Stevia is a perennial herb and all of the plant parts has strong sweet taste. Extracts of Stevia is low in calories and used as an excellent healthy substitute for sugar and artificial sweeteners. The crude extracts are typically purified by filtration, resin adsorption, de-coloration followed by multiple recrystallization. [...]


Gel Permeation Chromatography

Gel permeation chromatography (GPC) is a type of size exclusion chromatography (SEC), that separates analytes on the basis of size.  It is often necessary to separate polymers, both to analyze them as well as to purify the desired product. GPC systems and consumables are now also available from a [...]


Anion Exchange Chromatography

SPE-SAX and SPE-WAX are used for the isolation and purification of acidic compounds in basic or neutral medium. Based on a mixed mode of anion ion exchange and hydrophobicity interaction with functional quaternary / tertiary amino groups, SPE-SAX and SPE-WAX can quickly and steadily recover acidic compounds from the [...]


Protein A Affinity Chromatography

Protein A affinity chromatography medium by EPRUI is based on the monodisperse porous poly (methyl methacrylate) (PMMA) microspheres as the matrix, and genetically modified protein A as the ligand, which ensures its high affinity binding of monoclonal antibodies and Fc fragment containing recombinant proteins (macromolecules). Our protein A chromatography [...]


Light Diffusion Particles

EPRUI Biotech supplies high quality light diffusion microspheres based on patented technology. The light diffusion beads are monodisperse poly(methyl methacrylate) (PMMA) microspheres. Our monodisperse light diffusion microspheres have perfect spherical morphology, precise size control, and very narrow particle size distribution. With outstanding powder flow properties, high dispersibility in application [...]


FLC for Fullerene Purification

Fullerenes as advanced materials has broad potential applications in various industries. Its unique cage structure leads to interesting and extraordinary magnetic, superconductive, optical and catalytic properties. However, the application of fullerenes has been restricted because of the difficulty in the synthesis and especially purification of fullerenes. EPRUI Biotech has [...]


Conductive Ni Particles

EPRUI supplies highly uniform nickel plated particles which has high conductivity and appropriate elasticity. There is also a strong adhesion between the metal layer and the resin core of EPRUI conductive Ni particles. As a conductive filler, Nickel conductive spacers are used in coatings, adhesives, printing ink, plastics, and [...]


Conductive Au Particles

EPRUI Biotech provides high quality gold plated spacers for microelectronic packaging in electronics manufacturing. With better resolutions and decreasing number of circuit chips or modules in liquid-crystal displays (LCD), the input/output (I/O) density in integrated circuit increases while the size and pitch of the interconnection bumps become very small. [...]


Black Spacers

EPRUI Biotech has developed black microspheres based on patented technology which are composites of silica and polymer beads. These composite microspheres are blacker and darker than any other competitors’ in the market. Applied as spacer beads in liquid crystal displays (LCD), black microspheres can not only control the thickness [...]


Size Standard Particle

EPRUI Biotech supplies three different matrixes of particle size standards: Polystyrene, PMMA and Silica. The particle size ranges from 100nm to 50um. We supplies a full range of size standard microspheres based on patented particle technology. All of our particles standards are determined by Coulter Counter, DPS Disk Centrifuge, Dynamic [...]


Nonporous Silica

EPRUI Biotech Co. Ltd. cooperate tightly with leading microspheres research centers and universities in China. We can supply monodisperse silica microbeads for labs, institutions, universities or related industry. Applications Spacer Microspheres Standard Particles Biological Detection Medical Applications Granularity Reference Materials Photonic [...]


Mesporous Silica

EPRUI Biotech Co.Ltd. cooperates closely with top monodisperse microspheres research centers in China We can supply high quality monodisperse mesporous silica microspheres for labs, institutions, universities or related industry. Applications Porous silica microspheres are mainly used as normal and reverse phase [...]


Polystyrene Microspheres

EPRUI Biotech provides high quality monodisperse polystyrene beads: crosslinked and non crosslinked polystyrene microspheres for labs or large scale industrial use. The non crosslinked polystyrene microbeads are soluable in solvents such as acetone, chloroform THF, tolune etc. Different with non crosslinked polystyrene spheres, crosslinked polystyrene particles or PS/DVB exhibit [...]


PMMA Microspheres

Poly(methyl methacrylate) (PMMA) is a transparent thermoplastic, often used as a light or shatter-resistant alternative to glass. It is sometimes called acrylic glass. Chemically, it is the synthetic polymer of methyl methacrylate. PMMA is an economical alternative to polycarbonate (PC) when extreme strength is not necessary. Additionally, PMMA does [...]


Silica Spacers

Silica spacer is widely used for frame gap control, as well as cell gap control for special applications. EPRUI supplies silica spacers with perfect spherical morphology, precisely controlled particle size, narrow particle size distribution, excellent resistance against heat, cold and chemicals and great mechanical strength and superior crush resistance. EPRUI [...]


Plastic Spacers

Plastic spacers are made of highly crosslinked monodisperse polymer microspheres, which have very narrow particle size distribution. EPRUI supplies plastic spacers for LCD, PDLC display which can precisely control the panel thickness without damage on the base plate and make the liquid screen far greater clarity. [...]


Hydroxyl Magnetic Beads

EPRUI Biotech Co. Ltd. supplies two types of hydroxyl magnetic beads: Magnetic beads with rich silanol Si-OH groups on the surface Magnetic microspheres treated with rich –OH functional groups Magnetic Beads with rich silanol Si-OH groups on the surface The structure [...]