"SIGMA ALDRICH MICROSCOPY"
Cresyl violet perchlorate, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Cresyl Violet perchlorate is suitable as a laser dye.
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4,4′-Dinitro-2-biphenylamine ≥98%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
4,4'-Dinitro-2-biphenylamine,98%
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3,5-Dichloro-2-hydroxybenzenesulphonic acid sodium salt suitable for peroxidase analysis, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Sodium 3,5-dichloro-2-hydroxybenzenesulfonate is used in conjunction with 4-aminoantipyrine (4-AAP) and hydrogen peroxide (H2O2) for chromogenic quantitation of uric acid in serum and urine samples.
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Resazurin sodium salt, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Resazurin sodium salt, Sigma-Aldrich®
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EGS [Ethylene glycolbis(succinic acid-N-hydroxysuccinimide ester)], powder, Sigma-Aldrich®
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Ethylene glycol-bis(succinic acid N-hydroxysuccinimide ester) has been used as a cross-linking agent.
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Thymol ≥98.5%, Sigma-Aldrich®
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Thymol is generally added in the Hematoxylin and Eosin staining solution to prevent mould growth. It is also suitable for use in antimicrobial screening by the disk diffusion method. It has been used as a test compound in antifungal assay to assess the susceptibility of various fungal isolates.
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4-Nitro-3-picoline-N-oxide 98%, Sigma-Aldrich®
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NLO material.
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8-Anilino-1-naphthalenesulphonic acid, Sigma-Aldrich®
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8-Anilino-1-naphthalenesulphonic acid, Sigma-Aldrich®
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meso-Tetraphenylporphine ≥99%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
meso-Tetraphenylporphine ≥99%, Sigma-Aldrich®
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3,3'-Diaminobenzidine tetrahydrochloride hydrate ≥96%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
3,3'-Diaminobenzidine tetrahydrochloride hydrate is a chromogen commonly used in immunohistochemistry and other staining techniques to visualise the presence of antigens or antibodies in biological samples. DAB HCl is designed as an immunohistology stain to visualise peroxidase activity in cells. DAB oxidation can be measured using a spectrophotometer.
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Paraplast Plus®, pellets for electron microscopy (fast-melting), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Regular Paraplast with approx. 0,8% DMSO added for enhanced ease of infiltration and sectioning. Paraffin polyisobutylene mixture is a tissue embedding medium composed of highly purified paraffin and polyisobutylene and a low level of dimethyl sulfoxide (DMSO) to enhance the rate of tissue penetration. Paraffin-polyisobutylene (76258) supports thin wrinkle-free sectioning down to 4 µm with more flexible and continuous ribbons.
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Naphthol AS phosphate ≥99% (by TLC) for histology, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Naphthol AS phosphate ≥99% (by TLC) for histology, Sigma-Aldrich®
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Primuline sodium salt 50% (dye content) C.I 49000
Supplier: SIGMA ALDRICH MICROSCOPY
Primuline, also known as direct yellow 59 or primuline yellow, is considered to be a more sensitive and non-destructive dye for lipids.
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Sodium diatrizoate hydrate ≥98%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Sodium diatrizoate hydrate has been used in spore purification. It has also been used in the isolation of plasma lymphocytes, monocytes, and dendritic cells. Sodium diatrizoate is also suitable as a density gradient reagent in blood cell separation. It has also been utilised as a radiological contrast agent.
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5(6)-Carboxyfluorescein diacetate mixture of isomers ≥90% (by HPLC), Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
5(6)-Carboxyfluorescein diacetate Mixed isomers. ≥90% (HPLC)
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Ethyl viologen dibromide 99%, Sigma-Aldrich®
Supplier: SIGMA ALDRICH MICROSCOPY
Ethyl viologen dibromide (1,1-diethyl- 4,4-bipyridinium dibromide) has been used as an internal standard in analysis of paraquat and diquat in the serum using high-performance liquid chromatography.