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polymicrospheres 微球產(chǎn)品大量供應

更新時間:2015-05-13      點擊次數(shù):4929

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Carboxyl Microspheres

Our high degree of specialization and expertise in microparticle technology enabled us to concentrate on all aspects of carboxyl microspheres. An enormous amount of research work has been focused on the development of every possible carboxyl microsphere for diagnostic assays. Within each size, we offer different levels of functionality to provide a range of selectivity, sensitivity, and specificity as desired for each application.

  • More than 100 products - various sizes and surface charge densities
  • Optimized levels of carboxyl and sulfate groups for maximum coupling efficiency
  • Very uniform surface morphology and even distribution of functional groups
  • Can be used without precleaning for most applications
  • Highly uniform, stable, and reproducible
  • Fluorescent and Dyed microspheres: Available in selected sizes


Diameter, nmCatalog NumberCarboxyl μEquiv/gramParking Area




20CB0020I250173.0
25CB0025G230165.0
30CB0030F190166.4
35CB0035G230117.8
42CB0042G200112.9
46CB0046I26079.3
50CB0050I26073.0
52CB0052G23079.3
62CB0062F20076.5
71CB0071D120111.3
72CB0072F18073.2
81CB0081D14083.6
94CB0094D13077.6
97CB0097C10097.8
98CB0098D11584.2
100CB0100E17055.8
104CB0104D11082.9
105CB0105D11082.1
115CB0115D11075.0
120CB0120F19041.6
122CB0122C8097.2
127CB0127D12062.2
130CB0130E17042.9
135CB0135F20035.1
136CB0136C9077.5
136CB0136E17041.0
140CB0140E17039.9
146CB0146D10561.9
160CB0160B6591.2
172CB0172E16034.5
193CB0193F19025.9
195CB0195B6574.8
201CB0201E16528.6
206CB0206D12038.4
207CB0207E17027.0
210CB0210C8553.1
213CB0213E11627.8
226CB0226C8549.4
230CB0230D12533.0
258CB0258D11033.4
267CB0267D10533.8
286CB0286C9036.9
297CB0297C10031.9
300CB0300B7045.2
309CB0309B7043.9
313CB0313C10030.3
350CB0350B7038.7
358CB0358B6044.2
376CB0376C8031.5
385CB0385B6537.9
394CB0394B7034.4
408CB0408B6038.7
419CB0419D11020.6
420CB0420C8028.2
600CB0600D10515.1
614CB0614B7022.1
840CB0840B7016.1
930CB0930D10010.2
1020CB1020B7013.3
1120CB1120C46014.1
1730CB1730C42521.9
We also make it to your exact specs.


Near-Soap-Free? Carboxyl Microspheres

PolyMicrospheres innovative process technology has led to the development of a novel product line, “Near-Soap-Free" carboxyl microspheres with high MW. The surface chemistry is similar to conventional microspheres, very uniform and stable, but with very little surfactants.

  • Better than soap-free microparticles with no residual monomer and with optimum amount of sulfate groups
  • The very little surfactant level with a novel process technology provides stability and uniformity throughout the polymerization
  • Surfactant levels of the products are very low (from 0.01% to 0.05%) and do not require clean up
  • Optimized levels of carboxyl groups and uniform surface morphology for maximum coupling efficiency
  • Highly uniform, stable, and reproducible
  • Fluorescent and Dyed microspheres: Available in selected sizes
  • We also make it to your exact specs


Diameter, nmCatalog NumberCarboxyl μEquiv/gramParking Area




120NS0120F20039.5
135NS0135G22031.9
195NS0195F20024.3
207NS0207F18524.8
300NS0300D11028.7
315NS0315C10030.1
380NS0380C8031.2
420NS0420C8028.2
600NS0600D11014.4


SpaceLink? Carboxyl Microspheres

SpaceLink? Carboxyl Microspheres are perfect immunodiagnostic reagent particles with a spacer-linker already attached to the microspheres. The length of the flexible spacer arm is ~10A°. The end of the spacer arm has a carboxyl group for covalent attachment of ligands. The second generation of SpaceLink microspheres have been developed and tested at ?-sites for best coupling efficiency.

The benefits of SpaceLink? Carboxyl microspheres include:

  • Almost all of the ligands coupled to the microspheres will be in an active form
  • Conformational changes or orientation problems of the ligands are minimized when the ligands are located away from the surface of the particles
  • Higher level of sensitivity compared to direct surface coupling; Lesser amount of ligand needed to get the required sensitivity
  • The flexible spacer arms improve the kinetics of agglutination reactions and reactivity of each coupled ligand by keeping the ligands away from the surface of the particles
  • Antigen/antibody recognition sites line up much more easily
  • The flexible spacer arms greatly reduce steric hindrance problems
  • We also make it to your exact specs
  • Also available: SpaceLink Hydroxyl microspheres


Diameter, nmCatalog NumberCarboxyl μEquiv/gramParking Area




95SL0095C60166.4
107SL0107C9098.5
175SL0175C6090.3
200SL0200C5586.2
240SL0240C5571.9
280SL0280C4575.3
300SL0300C4570.3
382SL0382C4062.1
591SL0591C4040.1
1010SL1010C3526.8


Specialty Carboxyl with steric effects

These microspheres are designed with bulky groups to minimize passive adsorption and reduce non-specific binding.

Diameter, nmCatalog NumberCarboxyl μEquiv/gramParking Area




165SE0165E3X16035.9
296SE0296C2X9035.6
310SE0310C6X8237.3





Hydrophilic Carboxyl Microspheres

These microspheres are designed to enhance stability and reactivity.

Diameter, nmCatalog NumberCarboxyl μEquiv/gramParking Area




100HC0100G23041.2
182HC0182E14535.9
200HC0200E17027.9
300HC0300C9035.1


Omni-Bind? Lipophilic Carboxyl Microspheres

Our innovative process technology and formulations have led to the development of novel lipophilic (lipid incorporated/coated) carboxyl microspheres. These microspheres have been developed with optimized levels of different lipids to increase the coupling efficiency of various proteins.

  • The lipophilic microspheres contour to the conformation of the proteins for better coupling efficiency and improved visibility of the agglutinates
  • We also make it to your exact specs


Diameter, nmCatalog NumberCarboxyl μEquiv/gramParking Area




213LP0213CA9049.5
242LP0242CA9043.6
308LP0308CA11526.8





Low-Density Carboxyl Microspheres

Our innovative process technology and formulations have led to the development of novel low-density carboxyl microspheres.

  • Optimized levels of carboxyl and sulfate groups for maximum coupling efficiency
  • Highly uniform, stable, and reproducible
  • Designed to reduce settling
Diameter, nmCatalog NumberDensityCarboxyl μEquiv/gramParking Area





106LD0106C31.0317052.6
129LD0129C21.0220236.4
153LD0153C21.0215041.3
298LD0298C31.038039.8
302LD0302C21.028039.3
306LD0306C21.029034.4
310LD0310C11.018237.3
388LD0388C21.0212020.4
407LD0407C21.0211021.2
421LD0421C21.027530.0
489LD0489C21.0212415.6
1117LD1117C41.0355914.4
1730LD1730C41.0352621.1


Non-polystyrene Carboxyl microspheres

These microspheres are designed to reduce non-specific binding and are easy to centrifuge.

Diameter, nmCatalog NumberCarboxyl μEquiv/gramParking Area




98NP0098D10592.2
168NP0168C16434.4
194NP0194C14833.0
298NP0298C7244.2
402NP0402B6238.1


High-Density Carboxyl Microspheres

Diameter, nmCatalog NumberDensityCarboxyl μEquiv/gramParking Area





100HD0100C21.1910293.0
170HD0170C21.1916034.9
200HD0200C21.1915031.6
300HD0300C21.197045.2
400HD0400C31.196039.5


Soap-Free Carboxyl Microspheres

Our distinctive soap-free carboxyl microspheres have the following unique features:

  • Optimum sulfate and carboxyl groups to stabilize the microparticles
  • Innovative process technology and formulation provide stability and uniformity throughout the polymerization
  • Optimized levels of carboxyl groups and uniform surface morphology for maximum coupling efficiency. No excess sulfate groups to interfere with coupling chemistry.
  • No residual monomer
  • Very uniform, stable, and reproducible
  • Fluorescent and Dyed microspheres: Available in selected sizes
  • We also make it to your exact specs


Diameter, nmCatolog NumberCarboxyl μEquiv/gramParking Area





100SF0100C17055.8
120SF0120C19041.6
135SF0135C20035.1
146SF0146C10561.9
172SF0172C16034.5
195SF0195C20024.3
202SF0202C16528.5
300SF0300C11028.7
380SF0380C8031.2
600SF0600C11014.4


Fluorescent / Dyed Carboxyl Microspheres

Standard Colors: Fluorescent Yellow, Blue, Red, Hot Pink, Pink, Violet, Coral, Lavender, and other colors

We can dye any product in this catalog to the color of your choice.


Ready-to-Couple Products

Ready-to-Couple? Chloromethyl Microspheres

PolyMicrospheres proprietary formulations and innovative process technology have led to the development of highly stable and very uniform chloromethyl microspheres. These ready-to-couple microspheres are perfect diagnostic particles with activated groups already attached to the microspheres.

  • Preactivated and ready for covalent coupling
  • Just adjust the pH and stir at room temp
  • High stability and long shelf life
  • Simple one-step coupling chemistry
  • Optimized levels of chloromethyl groups and uniform surface morphology for maximum coupling efficiency
  • Highly uniform, stable, and reproducible
  • We also make it to your exact specs
  • Refer to the coupling procedure

Note: Chloromethyl is the best choice for simple one-step covalent coupling to microspheres


Diameter, nmCatalog Number


95CL009
195CL0195B
246CL0246B
280CL0280B
304CL0304B
360CL0360B
405CL0405B


Ready-to-Couple? Epoxy Microspheres

PolyMicrospheres proprietary formulations and innovative process technology have led to the development of preactivated and very stable epoxy microspheres for easy covalent coupling. The epoxy microspheres are ready-to-couple diagnostic particles with activated groups already attached to the microspheres.

  • Preactivated and ready for covalent coupling
  • Fast and easy one-step coupling
  • Optimized levels of epoxy groups and uniform surface morphology for maximum coupling efficiency
  • Highly uniform, stable, and reproducible
  • We also make it to your exact specs
  • Refer to the coupling procedure


Diameter, nmCatalog NumberType



105EP0105BEpoxy-II
228EP0228BEpoxy-II
314EP0314BEpoxy-II
383EP0383BEpoxy-II
585EP0585BEpoxy-II


Plain-surface Products

Polystyrene Microspheres

The polystyrene microspheres are specifically designed for diagnostic assays and optimized for superior performance. Our proprietary formulations and process techniques have resulted in uniform, stable, and reproducible microspheres.

  • Optimized levels of sulfate groups to stabilize the microparticles
  • Very uniform surface morphology for best passive adsorption
  • Can be used without precleaning for most applications
  • Fluorescent and Dyed microspheres: Available in selected sizes


Diameter, nmCatalog Number


45PS0045P
50PS0050P
65PS0065P
85PS0085P
95PS0095P
100PS0100P
115PS0115P
125PS0125P
160PS0160P
195PS0195P
200PS0200P
225PS0225P
250PS0250P
300PS0300P
320PS0320P
355PS0355P
370PS0370P
390PS0390P
400PS0400P
530PS0530P
570PS0570P
600PS0600P
1000PS1000P
1300PS1300P
1600PS1600P
1700PS1700P
1800PS1800P


Lightly Hydrophilic Polystyrene Microspheres

These microspheres are designed to enhance stability, passive adsorption, and reactivity.

Diameter, nmCatalog Number


195PS0195H
300PS0300H
358PS0358H
408PS0408H
614PS0614H
840PS0840H
934PS0934H
1020PS1020H


Omni-Bind? Lipophilic Plain-Surface Microspheres

Our innovative process technology and formulations have led to the development of novel lipophilic (lipid incorporated/coated) microspheres for better binding of proteins. Microspheres have been developed to increase the binding efficiency of various proteins.

  • The lipid incorporated/coated microspheres contour to the conformation of the proteins for better adsorption/binding efficiency and improved visibility of the agglutinates
  • We also make it to your exact specs


Diameter, nmCatalog Number


109LP0109A
119LP0119A
160LP0160E
173LP0173E
313LP0313E
394LP0394E
535LP0535C


Low-Density Plain-Surface Microspheres

These microspheres are highly uniform, stable, and reproducible. They are designed to reduce settling.

Diameter, nmCatalog NumberDensity



105LD0105P31.025
179LD0179P31.025
249LD0249P31.025
306LD0306P31.025
414LD0414P21.02
415LD0415P11.01
418LD0418P31.025
559LD0559P31.025
723LD0723P11.01
1060LD1060P11.01
1460LD1460P21.02


Non-polystyrene Plain-surface Microspheres

These microspheres are designed to reduce non-specific binding and are easy to centrifuge.

Diameter, nmCatalog Number


100NP0100P
198NP0198P
300NP0300P
400NP0400P


High-Density Microspheres

Diameter, nmCatalog NumberDensity



88HD0088P41.37
95HD0095C11.09
184HD0184P51.53
195HD0195C11.09
198HD0198P21.19
246HD0246C11.09
300HD0300P21.19
304HD0304C11.09
360HD0360C11.09
400HD0400P21.19
405HD0405C11.09


Soap-Free Polystyrene Microspheres

Our pioneering research in microparticle technology has led to the development of distinctive soap-free microspheres with the following unique features:

  • Optimum sulfate groups to stabilize the microparticles
  • Innovative process technology and formulation provide stability and uniformity throughout the polymerization
  • No excess sulfate groups to interfere with passive adsorption
  • No residual monomer
  • Very uniform, stable, and reproducible
  • Fluorescent and Dyed microspheres: Available in selected sizes
  • We also make it to your exact specs


Diameter, nmCatalog Number


100SF0100P
200SF0200P
300SF0300P
355SF0355P
400SF0400P
600SF0600P
1000SF1000P


Fluorescent / Dyed Polystyrene Microspheres

Standard Colors: Fluorescent Yellow, Blue, Red, Hot Pink, Pink, Violet, Coral, Lavender, and other colors

We can dye any product in this catalog to the color of your choice.


Other Products

SupraMag? Superparamagnetic Microparticles

PolyMicrospheres innovation in immunomagnetic research has led to the development of novel superparamagnetic microparticles with the highest magnetic loading and optimized levels of functional groups for covalent coupling of ligands. These highly attractive superparamagnetic microparticles also provide high surface area. The following products exhibit higher attraction to the magnet than typical 1-4 μM magnetic particles.

  • High emu/g
  • Highest magnetic attraction
  • Fast response to magnet
  • Clear supernatant
  • Easy redispersion


Diameter, μMFunctionalityCatalog No.



0.2AminoSM0200N
0.25AminoSM0250N
0.25ChloromethylSM0250CL
0.3AminoSM0300N
0.3ChloromethylSM0300CL
0.3SulfhydrylSM0300SH
0.4AminoSM0400N
0.4ChloromethylSM0400CL
0.5AminoSM0500N
0.5ChloromethylSM0500CL
0.6AminoSM0600N
0.6ChloromethylSM0600CL
0.7AminoSM0700N
0.8AminoSM0800N
1.0AminoSM1000N


Large Microbeads

ProductDiameter Range, μMMean Diameter, μM
Polystyrene microbeads

density = 1.05


~ 9
75-125
125-210
125-300
210-300

<= 300
300-425
PS-Carboxyl microbeads

density = 1.05

75-125
75-125~ 110
125-210
125-210~ 150
125-210~ 158
150-250~ 200
140-300~ 235
140-300~ 240
210-300~ 240
210-300~ 260
PS-Carboxyl microbeads

density = 1.04

37-300
PS-SpaceLink Carboxyl microbeads

density = 1.05

75-125~ 105
125-210~ 155
210-300~ 220
300-425~ 260
PS-Hydroxyl microbeads

density = 1.04

75-125
125-210
PS-Gelatin coated microbeads

density = 1.05

75-125
125-300
300-425
425-700
PS-Low Density microbeads

density = 1.03

75-125

~ 123

~ 152

~ 166
210-250
250-300
37-300
PS-Low Density microbeads

density = 1.04

37-300
Chloromethyl microbeads

--CH2Cl

37-75
75-125
125-212
212-250
250-300
300-425
385-535~ 465


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