Vous avez recherché : Sorbants pour chromatographie

Supplier: MACHEREY-NAGEL

High purity silica phase for HPLC.

Supplier: MACHEREY-NAGEL

Kieselguhr adsorbents for column chromatography.

Supplier: Novabiochem (Merck biosciences)

The base resin is PEG-PS-copolymer (90 µm), functionalised with 4-hydroxy-methylpenoxyacetic acid.

Supplier: MACHEREY-NAGEL

Irregular silica phase for analytical HPLC.

Supplier: HAMILTON BONADUZ

Support pour chromatographie en phase inverse, silice et p-DSVB.

Supplier: Novabiochem (Merck biosciences)

H-Arg(Pbf)-HMPB NovaPEG resin, 0.20 - 0.60 mmol/g, 1 g

Supplier: MACHEREY-NAGEL

The high purity CHROMABOND® adsorbents can be used for a self-filling of SPE columns or further analytical applications.

Supplier: MACHEREY-NAGEL

Irregular silica phase for preparative HPLC.

Supplier: MACHEREY-NAGEL

High purity silica phase for HPLC.

Supplier: MERCK PRODUCTION CHEMICALS

This silica gel is suitable for high performance flash chromatography.

Supplier: MERCK PRODUCTION CHEMICALS

The aluminium oxide crystal structure comprises octahedrally and tetrahedrally coordinated aluminium coupled by oxygen atoms. The aluminium oxide surface is covered by free hydroxyl groups. There are different acidic and basic centers (Broenstedt acid, Lewis acid and Lewis basic centers) that result in anion and cation exchange properties. Aluminium oxide exhibits a higher pH-stability than silica gel, especially in the alkaline range. Aluminium oxide occurs in various crystal modifications resulting in different pore diameters.

Supplier: MERCK PRODUCTION CHEMICALS

Les particules possèdent une forme sphérique parfaite et sont disponibles en deux tailles : 10 et 20 μm. Conjointement avec une porosité de 100 Å (10 nm), ces nouveaux sorbants conviennent parfaitement à l'étape de polissage des peptides de petite taille tels que l'insuline et les autres principes actifs biopharmaceutiques et pharmaceutiques tels que les antibiotiques et les hormones. Cette silice hautement poreuse est produite par pulvérisation/séchage.

Supplier: MP Biomedicals

Lysozyme lysates harvested from cultures of Micrococcus lysodeikticus were attached to sepharose and used for affinity chromatography to isolate various bacteriolytic enzymes and it has also been used in a study to investigate the encapsulation of protein drugs in microparticles.

Supplier: MERCK PRODUCTION CHEMICALS

Sélection de gels de silice standardisés et modifiés de Merck, disponibles dans de nombreuses granulométries, fournis depuis une source unique et conçus pour la chromatographie. Les gels de silice standardisés sont fréquemment utilisés dans les processus de séparation, afin de purifier des composés précieux. En revanche, les gels de silice modifiés sont utilisés pour solutionner les problèmes de séparation qui n'ont pu être résolus à l'aide de silice non modifiée.

Supplier: DR MAISCH

Le matériau à base de silice sphérique semi-préparative et préparative permet de nettoyer les produits bruts dans des quantités allant de l'ordre du mg au kg, en fonction du DI et de la longueur de la colonne. Les matériaux sphériques sont faciles à introduire dans les colonnes.

Supplier: MERCK PRODUCTION CHEMICALS

Le Florisil® est constitué d'oxydes de silicium et de magnésium dans un rapport de 85:15. Cette phase polaire est destinée à l'analyse des stéroïdes, alcaloïdes, hydrocarbures, polyaromatiques et pesticides. L'activité est déterminée par la température.

Supplier: MERCK PRODUCTION CHEMICALS

Geduran® Si 60, 63 - 200 µm

Supplier: MERCK PRODUCTION CHEMICALS

Micro-crystalline cellulose is a hydrophilic polysaccharide packing material preferred for the raw separation of amino acids and related compounds. Cellulose is also used for the gentle purification of bio-molecules. Because of the organic nature of cellulose, it can only be used in pre-swollen state and under gentle or hydrostatic pressure.

Supplier: MP Biomedicals

Silica is highly porous and has a number of distinct crystalline forms (polymorphs) in addition to amorphous forms. It is used as a suspending and thickening agent in pharmaceuticals. It is also used in the extraction of DNA and RNA due to its ability to bind to the nucleic acids under the presence of chaotropes.

Supplier: MERCK PRODUCTION CHEMICALS

LiChroprep® is a proven, highly successful packing material providing fast, effective and reproducible separations.

Supplier: VARIAN

PL Cl-Trt-Cl supports peptide synthesis using the Fmoc approach. This resin can be used for the synthesis of a wide range of organic acids, and has also been used for the synthesis of amines, phenols and other alcohols.

Supplier: VARIAN

PL-Wang is a 4-alkoxybenzylalcohol functionalised polystyrene, prepared from copolymerised PL-CMS, for solid phase peptide synthesis using Fmoc protection strategies and is cleaved using ~ 95% TFA. Particularly useful for solid phase synthesis of small molecules which have a carboxylic acid functional group.

Supplier: Agilent

QuEChERS Bulk Salts and Sorbents make sample prep easy.

Supplier: VARIAN

PL-Guanidine MP SPE, flangeless, 500 mg/6 ml

Supplier: VARIAN

Chloromethylpolystyrene known as merrifield resin, PL-CMS is a copolymer support for solid phase synthesis of peptides using Boc chemistry.

Supplier: VARIAN

Aminomethylstyrene resin is a particularly versatile material suitable for the attachment of a variety of spacers, handles and linkers (for use in solid phase synthesis).

Supplier: VARIAN

The PL-SAX media are well suited for anion exchange HPLC separations of proteins, peptides, and deprotected synthetic oligonucleotides. Denaturing conditions of temperature, organic solvent, and high pH levels are used for the oligonucleotide separations.

Supplier: VARIAN

This macroporous polystyrene product has a much higher loading compared to conventional functionalised silica SPE media and is compatible with all polar and non-polar, protic and aprotic solvents.

Supplier: VARIAN

PL-Rink resin, 1% DVB, 0,3 mmol/g, 75 - 150 μm, 100 g

Supplier: VARIAN

PL-HCO₃ MP resin, 1,8 mmol/g, 100 Å, 150 - 300 μm, 100 g