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Ampicillin, sodium salt Artikelnummer: 01503.25
Crystalline, H2O: <2%, It is effective against gram-positive and some gram-negative bacteria, inhibiting cell wall synthesis.
| Anwendung: | Antibiotic |
| CAS | 69-52-3 |
| MW: | 371.39 |
ab 23,00 €
Sodium Dodecyl Sulfate (SDS), pure Artikelnummer: 04051.1
SDS is commonly used in the preparation of proteins for electrophoresis in SDS-PAGE. This compound works by disrupting non-covalent bonds in proteins, denaturing them and causing the proteins to lose their natural conformation. The new negative charge is significantly larger than the original charge of that protein....
| Anwendung: | Anionic detergent |
| CAS | 151-21-3 |
| MW: | 288.38 |
42,00 €
Leupeptin (Ac-Leu-Leu-Arginal-hemisulfate) Artikelnummer: 12136.25
Leupeptin, also known as N-acetyl-L-leucyl-L-leucyl-L-argininal, is a naturally occurring protease inhibitor that can inhibit cysteine, serine and threonine peptidases. It is often used during in vitro experiments when a specific enzymatic reaction is being studied. When cells are lysed for these studies, proteases,...
| Anwendung: | Inhibitor |
| CAS | 103476-89-7 |
| MW: | 475.6 |
ab 83,00 €
Tricine, ultra pure Artikelnummer: 22870.1
Tricine is a commonly used electrophoresis buffer and is also used in resuspension of cell pellets. It has a higher negative charge than glycine allowing it to migrate faster. In addition its high ionic strength causes more ion movement and less protein movement. This allows for low molecular weight proteins to be...
| CAS | 5704-04-1 |
| MW: | 179.17 |
ab 46,00 €
Bluo-Gal, pure Artikelnummer: 50375.1
5-Bromo-3-Indolyl-ß-D-Galactopyranoside (Bluo-Gal) is a substrate for the histochemical localization of ß-galactosidase. Bluo-Gal is an alternative to X-Gal, producing a darker blue color.
| Schlagworte: | 5-Bromo-3-indolyl beta-D-galactopyranoside |
| Anwendung: | Beta-Galactosidase substrate |
| CAS | 97753-82-7 |
| MW: | 374.20 |
176,00 €
Cal-520(TM), AM Artikelnummer: ABD-21130
Cal-520(TM) provides a robust homogeneous fluorescence-based assay tool for detecting intracellular calcium mobilization. Cal-520(TM) AM is a new fluorogenic calcium-sensitive dye with a significantly improved signal to noise ratio and intracellular retention compared to the existing green calcium indicators (such...
| Anwendung: | Calcium detection |
ab 230,00 €
Calcein, AM Artikelnummer: ABD-22002
Calcein AM is the most suitable fluorescent probe for staining viable cells because of its low cytotoxicity. Calcein does not significantly affect cellular functions such as proliferation or chemotaxis of lymophocyte.
| Anwendung: | Cell viability assays |
| CAS | 148504-34-1 |
112,00 €
Dithiothreitol (DTT) Artikelnummer: 04010.100
DTT is an unusually strong reducing agent, because once oxidized, it forms a stable six-membered ring with an internal disulfide bond. The reduction usually does not stop at the mixed-disulfide species because the second thiol of DTT has a high propensity to close the ring, forming oxidized DTT and leaving behind a...
| Anwendung: | Reducing agent |
| CAS | 3483-12-3 |
| MW: | 154.25 |
ab 40,00 €
Glycine, ultra pure Artikelnummer: 04943.1
Glycine (abbreviated as Gly or G) is the smallest of the 20 amino acids commonly found in proteins, having a hydrogen substituent as its side-chain. Its codons are GGU, GGC, GGA, GGG of the genetic code. Glycine is often used as a counterion in SDS-PAGE and in buffers for western blotting.
| Anwendung: | Buffer component, Protein stabilization |
| CAS | 56-40-6 |
| MW: | 75.07 |
ab 30,00 €
HEPES, ultra pure Artikelnummer: 05288.1
HEPES (4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid) is a zwitterionic organic chemical buffering agent. It is one of the twenty Good's buffers. HEPES is widely used in cell culture, largely because it is better at maintaining physiological pH despite changes in carbon dioxide concentration (produced by...
| CAS | 7365-45-9 |
| MW: | 238.31 |
ab 24,90 €
Isopropyl-beta-D-thiogalacto- pyranoside (IPTG) Artikelnummer: 05684.25
Purity: >99%. Free of dioxane and other solvents. For use im molecular biology. In combination with X-Gal (cat# 02249) it is used to detect lac+ colonies in cloning experiments.
| Anwendung: | Inducer of beta-galactosidase |
| CAS | 367-93-1 |
| MW: | 238.30 |
ab 32,00 €
MES, ultra pure Artikelnummer: 06010.100
MES (2-(N-morpholino)ethanesulfonic acid) is used as a buffering agent. It has pKa value of 6.15 at 20°C. The pH (and pKa at ionic strength I?0) of the buffer solution changes with concentration and temperature. MES is highly soluble in water. The melting point is approx. 300 °C. MOPS is a similar pH buffering...
| CAS | 4432-31-9 |
| MW: | 195.24 |
ab 61,00 €