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1057 Ergebnisse für "SIGMA ALDRICH MICROSCOPY"

1057 Ergebnisse für: "SIGMA ALDRICH MICROSCOPY"

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Epoxy-Einbettmedium-Kit

Supplier: SIGMA ALDRICH MICROSCOPY

Das Epoxy Embedding Medium Kit ist ein sehr weit verbreitetes Einbettungsmedium für die Elektronenmikroskopie. Die ursprünglich von Luft (1961) veröffentlichte Einbettungsformulierung eignet sich hervorragend für pflanzliches und tierisches Gewebe. Aufgrund der geringen Viskosität des Harzes dringt es schneller in die Gewebeprobe ein als Araldite und andere Polymere. Es härtet bei niedrigen Temperaturen leicht und gleichmäßig aus, wenn Dodecenylbernsteinsäureanhydrid (DDSA), Methylnadicanhydrid (MNA) und der Beschleuniger 2,4,6-Tris(dimethylaminomethyl)phenol (DMP-30) zugegeben werden. Während der Aushärtung kann es zu einer leichten Schrumpfung kommen. Dieses Kit ist zum Einbetten einer Vielzahl von Geweben geeignet, da mit diesem Harz durch die Verwendung von zwei verschiedenen Anhydridhärtungsmitteln (DDSA und MNA) ein breites Härtespektrum für einen bestimmten Gewebetyp erreicht werden kann.

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Kanadabalsam, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Kanadabalsam, Sigma-Aldrich®

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Di-4-ANEPPS, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

4-(2-(6-(Dibutylamino)-2-naphthalenyl)ethenyl)-1-(3-sulfopropyl)pyridinium hydroxide inner salt has been used as a voltage sensitive dye in cardiac cells.

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Phenosafranin 80% (Farbstoffgehalt), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Phenosafranin has been used for nuclear staining.

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1-Amino-9,10-anthrachinon 97%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

1-Aminoanthraquinone has the ability to increase the solubility of derivatives of anthraquinone in supercritical carbon dioxide.

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Tetramethylrhodamine methyl ester perchlorate (TMRM) ≥95% (durch HPLC) geeignet für Fluoreszenz, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Tetramethylrhodamine methyl ester perchlorate (TMRM) is a fluorescent dye that can label mitochondria and mark embryonic stem cell/induced pluripotent stem cell-derived cardiomyocytes. It is useful for the isolation of mature cardiomyocytes.

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2-[4-(Dimethylamino)styryl]-N-methylbenzoxazolium perchlorate, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

DNA, RNA stain with advantageous spectral properties for cytometric applications.

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Acridin 97%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Acridine is a small cationic and planar dye that mainly binds to RNA and DNA. These dyes are strongly fluorescent. It resembles the structure of xanthene except that the heteroatom is nitrogen, not oxygen. Acridine is suitable for nucleic acid staining, particularly for cell cycle determination. Acridines are used as fluorescent materials for visualisation of biomolecules, and in laser technologies.

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5-Carboxyfluorescein, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

5-Carboxyfluorescein has been used as an internal marker in capillary isotachophoresis to quantify the charge-based low density lipoprotein subfractions.

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Naphthol AS-phosphat Dinatriumsalz ≥98% (durch TLC), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Naphthol AS phosphate disodium salt is intended for use as a substrate for the histochemical demonstration of acid and alkaline phosphatase activities.

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Pikrinsäure 13 g/l gesättigte Lösung in Wasser, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Pikrinsäure 13 g/l gesättigte Lösung in Wasser, Sigma-Aldrich®

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May-Grünwalds Eosin-Methylenblau zur Zellfärbung, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

May-Grünwald stain is a Romanowsky neutraldye stain based on the combination ofmethylene blue azures as the basic dyecomponent and eosin as the acid dyecomponent.It is intended for use in staining blood films orbone marrow films. It is used routinely for diagnostic purposes in hematology.

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Sudan IV, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Sudan IV has been used to in en-face staining of aorta, stains the lipid rich plaques. It has also been used to stain lipids atherosclerotic lesions of mice.

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Orange G-Lösung, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Orange G solution, alcoholic, for the colorimetric method according to Papanicolaou (OG-6)

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Fuchsin basisch in ACS analysereinem Wasser ≥85% (Farbstoffgehalt), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Basic fuchsin is a triaminotriphenylmethane dye that is widely used to stain muscle, mitochondria, and collagen. It is generally a mixture of pararosaniline (C.I. 42500), rosaniline (C.I. 42510), magenta II and new fuchsine (CI 42520).

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Mounting Medium, CC/Mount™

Supplier: SIGMA ALDRICH MICROSCOPY

CC/mount is an aqueous based permanent mounting medium with a very high refractive index, which when applied to the stained tissue sections can store the tissue specimens permanently without the fading of the chromogens. Because of the superior refractive index of CC/mount, tissues mounted in this medium look like specimens mounted with organic based mounting media. No coverslipping is required with CC/mount. However, if coverslipping is required, dried CC/mount can be post mounted by using an organic based mounting medium. CC/mount permits the long-term storage of antigens localised using organic insoluble chromogen substrates, including AEC, DAB, Fast Red, BCIP/NBT, BCIP/INT and fluorescent dyes like FITC and phycobiliproteins. The high pH of CC/mount ensures increased stability of fluorescence intensity.

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4'-Hydroxybiphenyl-4-carbonsäure 99%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

4'-Hydroxybiphenyl-4-carbonsäure 99%, Sigma-Aldrich®

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Fuchsin basisch, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Fuchsin basisch, Sigma-Aldrich®

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Naphthol AS-BI-phosphat ≥98% (durch HPLC), technische Qualität, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Substrate for the histochemical demonstration of acid and alkaline phosphatase. Substrate for the fluorometric assay of acid and alkaline phosphatases. Demonstration of acid phosphatase in paraffin embedded tissue. Cytofluorometric assay of acid phosphatase in single living cells.

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Osmiumtetraoxid Sealed ampule, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Osmium tetroxide (OsO₄) is a heavy tetrahedral, symmetrical molecule composed of osmium, a third-row transition metal. Osmium tetroxide is both a dye, and a non-coagulant fixative agent in electron microscopy primarily used for the examination of biological tissue components in the histopathology laboratory. Specimens are postfixed with osmium testroxide to ensure preservation of the lipids.

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7-Amino-4-(trifluormethyl)cumarin ≥99%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

7-Amino-4-(trifluoromethyl)coumarin (AFC) is a novel fluorescent marker used for the detection of proteinases. Suitable as laser dye.

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4-(2-Pyridylazo)resorcin 96%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

4-(2-Pyridylazo)resorcinol (PAR) is a monosodium salt(1), dibasic acid that forms the protonated complexes with most metal ions.

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Kristallviolett Lacton 97% (Farbstoffgehalt), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Crystal Violet lactone, Dye content 97%.

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Magnesium-8-anilinonaphthalin-1-sulfonat Hydrat ≥95% (durch Perchlorsäure-Titration) für Fluoreszenz, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

ANSA (8-Anilino-1-naphthalenesulfonic acid) is a hydrophobic polarity sensitive fluorescent dye useful as a site probe to detect conformational changes in cell and micelle membranes and molecules such as proteins. ANSA is also used as a fluorescent probe for the estimation of the critical micelle concentration (CMC) of surfactants.

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Auramin O, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Auramin O, Sigma-Aldrich®

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APC-Cy5.5 Tandem 4 mg/ml, Suspension, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Phycobiliprotein exhibiting exceptional absorbance and fluorescence characteristics due to a lack of susceptibility to internal and external fluorescence quenching. Ideal for highly sensitive studies in flow cytometry and immunoassays.

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Acid Phosphatase, Lymphocyte Kit, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Acid Phosphatase, Lymphocyte Kit, Sigma-Aldrich®

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Tartrazine-Lösung, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Yellow counterstain suitable for a wide range of histological staining procedures.

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Wright-Giemsa stain modifiziert

Supplier: SIGMA ALDRICH MICROSCOPY

When blood films are stained using Wright-Giemsa Stain, the white blood cell nucleus and cytoplasm take on the characteristic blue or pink coloration. The combination of purified eosin and thiazine dyes in the product eliminates inconsistent staining and yields reproducible chromogenic responses.

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1-Heptyl-4-(4-pyridyl)pyridinium bromide ≥95%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

1-Heptyl-4-(4-pyridyl)pyridinium bromide,95%

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