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292 Additional Particles Biodegradable Particles Microspheres & Particles Poly(Lactic Acid-co-Glycolic Acid) Uniform Dry Microspheres We offer microspheres comprised of two PLGA polymer ratios (50:50 and 75:25 Lactic Acid : Glycolic Acid) in three narrow sizes (75µm, 100µm and 120µm; 5-10% CVs). These highly uniform particle populations serve as excellent models for controlled degradation rate measurements, and for the development of prototype scaffolds or devices. Microdispers and DispersEZ PTFE Particles For more information please call (800) 523-2575 or visit: polysciences.com Catalog # Size Composition - LA/GA Size Range Mol. Weight 50:50 70-80µm ~150,000 25401-100 100 mg 25401-250 250 mg 25401-500 500 mg 50:50 95-105µm ~150,000 25402-100 100 mg 25402-250 250 mg 25402-500 500 mg 50:50 115-125µm ~150,000 25403-100 100 mg 25403-250 250 mg 25403-500 500 mg 75:25 70-80µm ~90,000 25398-100 100 mg 25398-250 250 mg 25398-500 500 mg 75:25 95-105µm ~90,000 25399-100 100 mg 25399-250 250 mg 25399-500 500 mg 75:25 115-125µm ~90,000 25400-100 100 mg 25400-250 250 mg 25400-500 500 mg This novel patented class of polytetrafluoroethylene (PTFE) particles are available in two types. Microdispers particles are provided in a dry powder form and DispersEZ self-stabilized fluoro particles (SSFP) are supplied as a 30% suspension in water or as a solid. These particles range in size from 200nm to 10µm. (Teflon ® Nanopowder) DispersEZ-300 [9002-84-0] H4g A novel patented class of polytetrafluoroethylene particles, our unique DispersEZ particles have chemically treated surfaces to orient stabilizing polar moieties (both hydroxyl and carboxylic acid groups) to the exterior of the particle. These molecules, which are chemically grafted to the PTFE surface, allow the particles to disperse easily in both aqueous and solvent media without the need for added surfactants or stabilizers that can interfere with desired properties. The carboxyl and hydroxyl moieties on the surface of the DispersEZ particles act as synthetic handles to which a variety of chemical species can be attached. Groups such as esters, isocyanates, halogens, aldehydes, ethers and epoxides can be formed with the appropriate reagents, under the proper conditions. Similarly, the surface carboxyl groups can be derivitized with esters and amides. Applications for DispersEZ particles range from solid phase synthesis supports to bioreagents for diagnostic assays. OH Mean Particle Size 200-300nm Surfactant Demand None (self-stabilized added surfactant) Surfactant Reactivity High (concentration of accessible reactive sites versus traditional PTFE beads) 24339-50 50 g Microdispers-200 [9002-84-0] H4g Polytetrafluoroethylene (PTFE) particles provided in dry powder form. These particles require far less added dispersant than traditional PTFE particles to form stable dispersions. Useful for many applications including coatings, gloss reducers and coating additives that impact water pickup or surface energy. With good powder flow properties, these particles are easily compounded in a number of thermoplastic matrices with appropriate heat/shear mixing. HOOC COOH Mean Particle Size 200-300nm 24333-100 100 g OH HOOC OH OH OH COOH COOH
Additional Particles Microspheres & Particles Microdispers-3000 [9002-84-0] H4g Polytetrafluoroethylene (PTFE) particles provided in dry powder form. Require far less added dispersant than traditional PTFE particles to form stable dispersions. Useful for many applications, including coatings, gloss reducers and coating additives that impact water pickup or surface energy. With good powder flow properties, these particles are easily compounded in a number of thermoplastic matrices with appropriate heat/shear mixing. Catalog # Size Mean Particle Size 3000nm (
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Chemistry Beyond the Ordinary BioSc
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Table of Contents Using this Catalo
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17. Ratio of Mw/Mn where available
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Biochemicals Buffers Histology & Mi
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BioSciences BioSciences We are plea
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Certified Dyes BioSciences Product
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Biochemicals BioSciences AITC [6241
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Biochemicals BioSciences SAR-GEL ®
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Buffers BioSciences Tris-Borate-EDT
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Histology & Microscopy Certified Dy
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Histology & Microscopy BioSciences
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Histology & Microscopy Capsule Hold
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Histology & Microscopy Bouin’s Fi
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Immunohistochemistry (IHC) BioScien
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Histology & Microscopy Coverslips M
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Histology & Microscopy Plastic Embe
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Histology & Microscopy JB-4 ® Embe
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Histology & Microscopy Poly(ethylen
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Electron Microscopy BioSciences Cat
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Electron Microscopy Grids - Slot Bi
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Electron Microscopy EM Reagents Bio
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Electron Microscopy BioSciences Thi
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Electron Microscopy BioSciences Twe
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Electrophoresis Reagents BioScience
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Fluorescent Dyes & Stains Fluoresce
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Fluorescent Dyes & Stains BioScienc
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Fluorescent Dyes & Stains BioScienc
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Microbiology BioSciences Plastic Mi
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Microbiology BioSciences Microring
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Microbiology BioSciences Urease Str
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Molecular Biology BioSciences Filip
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Molecular Biology Molecular Labelin
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Molecular Biology BioSciences New!
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Molecular Biology BioSciences Estra
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Accessories Equipment Inverted Fluo
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Accessories Gloves BioSciences Glov
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Accessories BioSciences Stirrer, po
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Accessories Tape BioSciences Silver
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Anatomic Pathology Abraxis Diagnost
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Abraxis Diagnostic Kits BioSciences
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Monomers Polymers Adjuncts Polymer
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Monomers Monomers Polysciences stoc
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Monomers Catalog Size Page Acrylic
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Monomers Catalog Size Page Amine Co
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Monomers Catalog Size Page Crosslin
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Monomers Catalog Size Page Polymeri
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Polymerizable Sites Homopolymer Tg
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Monomers Catalog Size Page Styrenic
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Polymerizable Sites Add’l. Reacti
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Monomers New! 1-(Acryloyloxy)-3-(Me
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Monomers Beta-Carboxyethyl Acrylate
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Monomers 1,4-Butanediol dimethacryl
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Monomers 3-Chlorostyrene, 98% [2039
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Monomers Diallylamine, min. 98% [12
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Monomers N-[3-(N,N-Dimethylamino)pr
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Monomers Ethylene glycol diglycidyl
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Monomers 1H,1H,2H,2H-Heptadecafluor
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Monomers N-(2-Hydroxyethyl) Carbazo
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- M - Monomers Magnesium acrylate [
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Monomers Methacryloyl fluoride [381
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Monomers New! Nile Blue Methacrylam
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Monomers 2-Phenoxyethyl methacrylat
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Monomers N-iso-Propylacrylamide [22
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Monomers Triallyl cyanurate [101-37
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Monomers Vinyl azlactone [29513-26-
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Polymers Polymers Selection Guide P
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Acrylate & Methacrylate Polymers Po
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Polymers Catalog Size Page Mol. Wei
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Polylactic Acid & Polyethylene Glyc
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Phenol-functional Polymers Polymers
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Hydroxyl Functional Polymers Polyme
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Mol. Weight Form Comments Poly(2-di
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Alphabetical Listing of Polymers -
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Polymers Dextran, DEAE ether [9015-
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Polymers Halocarbon 700 Oil [Poly(c
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Poly(diallyldimethylammonium chlori
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Polymers Poly(tert-butyl methacryla
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Polymers Poly(2-dimethylaminoethyl
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Poly(ethylene glycol) (n) diacrylat
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Polymers Poly(ethylene glycol) / Po
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Poly(ethylene/vinyl alcohol) [25067
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Polymers Poly(1-glycerol methacryla
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Poly(l-lactide/glycolide) [70:30] [
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Polymers Poly(methyl methacrylate/n
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Polymers Poly(styrene/butadiene) 85
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Polymers Poly(vinyl chloride) [9002
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Polymers Poly(N-vinylpyrrolidone/2-
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Alphabetical Listing of Adjuncts -
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Adjuncts 2-(2’-Hydroxy-5’-methy
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- M•N•O•P - Adjuncts Methyl B
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Standards Polymer Standards & Kits
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Standards Catalog Size MW ~12,000 M
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Molecular Weight Standard Kits Stan
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Organic Intermediates & Specialties
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Stable Isotope Compounds Stable Iso
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Stable Isotope Compounds Biotin-[2H
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Stable Isotope Compounds Cortisol-[
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Stable Isotope Compounds Dehydroepi
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Stable Isotope Compounds Dihydrotes
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Stable Isotope Compounds L-3,3’-D
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Stable Isotope Compounds 17b-Estrad
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Stable Isotope Compounds 6b-Hydroxy
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Stable Isotope Compounds 25-Hydroxy
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Stable Isotope Compounds 2-Methoxy-
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Stable Isotope Compounds 7-Methylxa
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Stable Isotope Compounds Pyridoxal-
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Page 259 and 260: NIST Traceable Size Standards Polys
Page 261 and 262: Microspheres / Particles Microspher
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Page 293 and 294: Magnetic Microspheres Microspheres
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Page 301 and 302: Silica & Glass Microspheres Silica
Page 303: Buffers and Solutions Microspheres
Page 307 and 308: Microspheres & Particles Additional
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Page 323 and 324: Electronic Adhesives & Encapsulants
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Page 327 and 328: Encapsulants for Fragile Substrates
Page 335 and 336: JEDEC Reference Guide IPC/JEDEC J-S
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Page 341 and 342: SHEAR STRENGTH: Key measure of adhe
Page 343 and 344: Index Terms and Conditions of Sale
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Page 347 and 348: Technical Data Sheets Current list
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Alphabetical Index Product Name Pag
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Catalog Number Index Cat # Page Cat
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CAS Number Index CAS Number Index C
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CAS Number Index CAS # Page CAS # P
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NOTES For more information please c
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NOTES For more information please c
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For more information please call (8
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Australia BioScientific Pty. Ltd. 2
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