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Beschreibung: Protargol silver impregnation and neuronal selectivity for light and electron microscopic observations.

Lieferant: SIGMA ALDRICH MICROSCOPY

Beschreibung: o-Tolidine is a diacidic dye which is sparingly soluble in water and easily soluble in ether and alcohol. On exposure to chlorine or bromine vapors, it forms an intense blue color. This forms the basis for detection of chlorine, nitrates and hydrogen peroxide in air or water. It turns yellow on reacting with free chlorine. o-Tolidine easily forms acid salts.

Artikel-Nr: (77515-100ML-F)

Lieferant: SIGMA ALDRICH MICROSCOPY

Hersteller Artikel Nummer : 77515-100ML-F

Beschreibung: Loefflers Methylene Blue stain is used for the identification of diphteria bacilli, since it differentiates the deeply staining metachromatic granules from the pale blue-staining cytoplasm.

UOM: 1 * 100 mL

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Artikel-Nr: (N3625-1G)

Lieferant: SIGMA ALDRICH MICROSCOPY

Hersteller Artikel Nummer : N3625-1G

Beschreibung: Produces highly insoluble dark green stain in histochemical studies.

UOM: 1 * 1 g

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Beschreibung: Percoll® is a classic medium for density gradient centrifugation of cells, viruses, and subcellular particles. It consists of colloidal silica particles of 15 – 30 nm diameter (23% w/w in water), coated with polyvinylpyrrolidone (PVP).

Artikel-Nr: (200212-25G)

Lieferant: SIGMA ALDRICH MICROSCOPY

Hersteller Artikel Nummer : 200212-25G

Beschreibung: Azure A eosinate, Puder, Kristalle oder Stücke, Sigma-Aldrich®

UOM: 1 * 25 g

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Beschreibung: Gram’s crystal violet solution, also known as gentian violet or hexamethyl pararosaniline, is a basic, cationic, acidotropic aminoarylmethane dye. It is a hexa-N-methylated triaminotriphenylmethane with a moderately sized lipophilic cation and a slightly nonplanar conjugated system. It is used in bacteriology as the primary stain in Gram staining to differentiate Gram-positive and Gram-negative bacteria. It is known to possess antibacterial and antifungal properties.

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Beschreibung: Nile blue chloride has been used to stain non-aqueous phase in fluorescence microscopy studies.

Artikel-Nr: (306452-100G)

Lieferant: SIGMA ALDRICH MICROSCOPY

Hersteller Artikel Nummer : 306452-100G

Beschreibung: Reactive Black 5 (RB5) has been: used in an optimization study on the photocatalytic degradation of RB5 dye in synthetic greywater effluent (i.e. aqueous RB5 in distilled water), in order to understand the effects of different photoreactor parameters on the degradation kinetics. As a textile dye to investigate the anaerobic reduction in upflow stirred packed-bed reactors (USPBRs) with biological activated carbon (BAC) system. Used in the performance evaluation of dye removal forlarge molecule substance.

UOM: 1 * 100 g

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Beschreibung: Methyl violet for microscopy (Bact., Bot., Hist.), indicator (pH 0.1 - 2.0), mixture of polymethylated pararosaniline hydrochlorides.

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Beschreibung: Carmine is a red compound and is generally used with aluminum, iron and other metal salts to enhance its activity. During smear preparation, it is required for chromatin staining in fresh material. In presence of aluminum chloride, it is used for the staining of glycogen.

Artikel-Nr: (N6264-50ML)

Lieferant: SIGMA ALDRICH MICROSCOPY

Hersteller Artikel Nummer : N6264-50ML

Beschreibung: Used as a red nuclear counterstain in various cytochemical procedures.

UOM: 1 * 50 mL

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Artikel-Nr: (309052-25G)

Lieferant: SIGMA ALDRICH MICROSCOPY

Hersteller Artikel Nummer : 309052-25G

Beschreibung: Quinoline Yellow, Mixture of the mono- and disulfonic acids of Quinoline Yellow (Acid Yellow 3)

UOM: 1 * 25 g

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Artikel-Nr: (F0763-1MG)

Lieferant: SIGMA ALDRICH MICROSCOPY

Hersteller Artikel Nummer : F0763-1MG

Beschreibung: Cell impermeable fluorescent probe for Ca2+.

UOM: 1 * 1 mg

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Beschreibung: Solvent Blue 38 is a phthalocyanine stain, used for staining myelin, neurons and glial fibres.

Lieferant: SIGMA ALDRICH MICROSCOPY

Beschreibung: Acridine Orange base (3,6-Bis(dimethylamino)acridine) is a cell-permeable fluorescent dye that binds to nucleic acids. It emits green fluorescence when bound to dsDNA and red fluorescence when bound to ssDNA or RNA. It is also known to be a positive solvatochromic dye. Acridine orange has also been used as a lysosomal dye. It is widely used to detect the presence of homeopathic potencies.