P-dimethylaminobenzaldehyde, to test indole production in indole broth or for biochemical strip/cupule methods. Positive indole reactions with Kovac's will turn pink to red. Does not require a xylene or chloroform extraction as with Ehrlich's Reagent. Kovac's Reagent is not for rapid…

Coomassie brilliant blue R-250: Coomassie Brilliant Blue R-250 has been used for many years for staining proteins on polyacrylamide electrophoresis gels. Improvement of sensitivity and background have been accomplished using Coomassie Brilliant Blue dyes in a colloidal form. The Coomassie Brilliant…

Hematology buffer is used to dilute staining solutions in the Wright's, Wright-Giemsa, and Giemsa staining processes. Enhances bright-orange stained erythrocytes and differentiates white blood cells.

Biebrich Scarlet

This stain is fast and sensitive in staining proteins in acrylimide gels. Its features include: a) completion within 30-60 minutes, b) unnecessary destaining, c) being highly sensitive, it detects as little as 30 ng of protein, d) yields sharper bands than those stained with conventional Coomassie…

The Reversible Copper Stain™ is a single step stain for rapid detection of proteins resolved on SDS-PAGE. No destaining is necessary. The stain is based on the interaction of copper ions with polyacrylamide and proteins. The stain works by depositing a copper metal precipitate in the…

Brilliant green is one of the triarylmethane dyes. It is closely related to malachite green. Application: For Laboratory Research Use Only

Used with the Gram stain, the decolorizer extracts lipids from the cell wall of Gram-negative bacteria, thereby increasing the porosity of the cell wall and allowing the crystal violet-iodine complex to diffuse from the cell. 4x16oz

Astral Diagnostics provides an assortment of cytology products. Papanicolaou stains are used in conjunction with Hematoxylin nuclear stains in the diagnosis of malignant cytological diseases. Gynecological staining protocols use OG-6 and hematoxylin along with either EA-36 or EA-50. Non…

An aqueous solution of phenol, glycerine, isopropyl alcohol, rhodamine B and auramine O.

Auramine O Stain Kit includes one 8 oz. bottle of each of the following: Auramine O Fluorescent Decolorizer Potassium-Permanganate

CAS: 915-67-3 EC No: 213-022-2 MDL No: MFCD00004076 RTECS: QJ6550000 Solid Molecular Formula: C₂₀H₁₁N₂Na₃O₁₀S₃ MW: 604.47 Density (g/mL): 1.5

Composition: Water: ≥ 94.9% Acetic Acid: 5.0% Ponceau S: 0.1%

The Exaxol papanicolaou stain EA 50 is mainly used in research facilities and chemical laboratories to conduct wide range of experiments. It is available in sturdy bottle that endures heavy and rigorous usage.

Gill 1X is ideal for routine cytology staining. This single strength formulation optimally stains gynecological and non-gynecological specimens. General purpose nuclear stain, progressive type. Used with hematoxylin and eosin staining. Gill 2X and Gill 3X should be used when a stronger or darker…

The Ricca Chemical papanicolaou stain with a composition of 86.55% ethyl alcohol, 8.54% water, 4.33% methyl alcohol, 0.27% eosin Y, 0.24% phosphotungstic acid hydrate, 0.06% Bismarck brown Y, 0.00% lithium carbonate, 6 Li2CO3 and 0.00% fast green FCF, is vital in cervical cancer screening. It is…

The Bio Basic Bromophenol Blue with a composition of Application: For Laboratory Research Use Only

Crystal Violet stains nuclei a deep purple color, aiding in their visualization. It can also be used to visualize colonies of cells.  4x 16oz

Alcian Blue 8GX is a cationic dye used to quantitatively determine glycosaminoglycans by forming insoluble complexes in solution. Alcian Blue 8GX can be used to determine proteins based on their Resonance Light Scattering by strongly enhancing the signals. It is useful as a bacterial stain, and as…

3,3',5,5'-Tetramethylbenzidine is suitable as peroxidase substrate for use in ELISA procedures. The substrate produces a soluble end product that is pale blue in color and can be read spectrophotometrically at 370 or 620-650 nm. The TMB reaction may be stopped with 2 M H2SO4 (resulting in a…

A convenient ready-to-stain control slide that will test both your stain solutions and your staining techniques. Positive and negative stain control organisms are affixed to the circles in each Q-Slide™. Up to four patient specimens (in the squares) may be processed at the same time as the QC…

An ultra sensitive and ready-to-use protein stain based on Coomassie dye. No mixing or preparation is involved. No fixation step is needed. Simply rinse gel, add RAPIDstain™ and protein bands develop within 5 to10 minutes, reaching a maximum visibility in an hour. Mini-gels can be stained in…

Conventional stain used for Hematoxylin and Eosin (H&E) staining in histology and cytology procedures. Ready to use formulation optimized for histology and cytology procedures where reproducible results are important. Manufactured with BSC certified reagents.

Bromophenol blue is a tracking dye for alkaline and neutral buffer systems. It is used as a tracking dye in DNA, RNA (agarose) and protein (polyacrylamide) gel electrophoresis. Bromophenol blue migrates at approximately the same rate as 300-500bp DNA in agarose gel and at the buffer front in…

The Exaxol 1% toluidine blue with a heavy metal-free formulation comes in a poly bottle and is an ideal solution to have in chemical laboratories and research facilities. Application: For Laboratory use only

Nile Red is an uncharged, hydrophobic, photostable molecule that strongly fluoresces bright red in hydrophobic environments. It is a fluorescent stain for intracellular lipid droplets. Nile red can be used for the rapid determination of lipids by thin-layer chromatography or for staining whole…

CAS: 298-93-1 EC No: 206-069-5 MDL No: MFCD00011964 RTECS: XF8060000 Crystalline/Powder Molecular Formula: C₁₈H₁₆BrN₅S MW: 414.33 Melting Point: 195° (decomposes)

The Bio Basic Inc. alizarin yellow R is suitable for research and laboratory use. It is mainly used in histology experiments.