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1066 results for "SIGMA ALDRICH MICROSCOPY"

1066 Results for: "SIGMA ALDRICH MICROSCOPY"

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9-Cyano-N,N,N′-triethylpyronine-N′-caproic acid N-hydroxysuccinimide ester chloride, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Fluorescent label for amino acids allows for detection of alanine, arginine, glycine, glutamic and aspartic acid in the 0.8-4.5 × 10-18 M range.

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5-DTAF hydrochloride, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

5-([4,6-Dichlorotriazin-2-yl]amino)fluorescein hydrochloride has been used for labeling of yeast cells to study the adhesion of yeast cells to the digestive tract of sea bass (Dicentrarchus labrax) larvae and leopard grouper (Mycteroperca rosacea).

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p-Xylene-bis(N-pyridinium bromide) (DPX) ≥95% (by HPLC), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

p-Xylene-bis(N-pyridinium bromide). ≥95% (TLC) (DPX)

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Clobetasone butyrate ≥98%

Supplier: SIGMA ALDRICH MICROSCOPY

Clobetasone butyrate is a corticosteroid. It can be used as a diagnostic assay manufacturing, hematology, histology. Clobetasone butyrate has been used as an internal standard for the quantitative assay of clobetasol propionate. Clobetasone butyrate has been used to analyse its bio-concentration factor (BCF) in cyprinus carpio. Clobetasone butyrate is a potent topical corticosteroid and is primarily used to treat atopic dermatitis (AD). Low dosage of this drug is used to treat dry eye in sjogrens syndrome.

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LR white acrylic resins, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Benzoyl peroxide (B5907) is specifically formulated as an initiator for these resins.

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Keratin azure, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Suitable for use as a protease substrate.

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Bathophenanthrolinedisulphonic acid disodium salt hydrate ≥95%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Bathophenanthrolinedisulfonic acid disodium salt hydrate has been used to measure iron to determine the solubility of iron in the biological sample. It has been used as an iron chelator to grow plants without Fe-EDTA (ethylenediaminetetraacetic acid).

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Embedding kit JB-4, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

JB-4 is a water-soluble, GMA based, plastic resin kit intended for use in the preparation of embedded samples for high resolution light microscopy. It is a technique now widely used for research and clinical diagnosis. JB-4 yields semi-thin sections (0.5μ-2μ) with excellent morphological preservation.

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Thionin(acetate), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Thionin(acetate), Sigma-Aldrich®

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Calcein blue fluorescent dye, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Calcein blue fluorescent dye, Sigma-Aldrich®

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3-Methoxydiphenylamine 98%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

3-Methoxydiphenylamine can be used in the preparation of 3- methoxydiphenylamine-4-diazonium salts (MDP-4-DS) and the corresponding diazoresins.[1] Diazonium salts and diazoresins find applications in dyes, stains, indicators, general laboratory use, and industrial applications.

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N-tert-Butyl-α-(2-sulphophenyl)nitrone sodium salt, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Water-soluble, negatively-charged spin trap used to monitor aqueous phase of SDS micelles.

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5-CFDA (5-Carboxyfluorescein diacetate), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

5-Carboxyfluorescein diacetate has been used for the staining of bacteria to study bacterial adhesion to mucin.

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N-Carboxymethyl-6-(2,2-dicyanovinyl)-1,2,3,4-tetrahydroquinoline ≥95% (by HPLC), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

N-Carboxymethyl-6-(2,2-dicyanovinyl)-1,2,3,4-tetrahydroquinoline. ≥98% (HPLC) (CDCQ)

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Acid blue 20, Practical grade, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Acid blue 20, Practical grade, Sigma-Aldrich®

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Dihydrofluorescein diacetate ≥97%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Dihydrofluorescein diacetate,97% (Diacetyldihydrofluorescein)

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Basacryl Red GL 19% (dye content), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Basacryl Red GL, Dye content 19 % (Basic Red 29)

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Rose bengal diacetate, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

A cell-permeable generator of singlet oxygen.

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4-Phenylazophenol ≥98%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

4-Phenylazophenol is a polymethacrylates containing polar azo dye. 4-Phenylazophenol (4PP) has been used to study mineralisation by P. chrysosporium under nitrogen-sufficient and nitrogen-limiting culture conditions.

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Hematein for microscopy, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Hematein, for microscopy (Hist.).

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4,4'-Bis(dimethylamino)diphenylmethane 98%, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

4,4′-Methylenebis(N,N-dimethylaniline) is an intermediate in dye manufacture and works as a reagent for the determination of lead. It is suitable for the qualitative assay of cyanogens.

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Ponceau S, Bioreagent for electrophoresis, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Ponceau S is the sodium salt of a diazo dye. It is used to make a stain for rapid reversible staining of protein bands on nitrocellulose or PVDF membranes (Western blots) and also for staining protein on cellulose acetate membranes. The stain is reversed with water washes and aids in subsequent immunological detection. The following are two common stain formulations: 0.1% Ponceau S (w/v) in 5% acetic acid 2% Ponceau S (w/v) in 30% TCA, 30% sulfosalicylic acid.

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Periodic acid solution, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

For use in procedure no. 395 for Periodic Acid-Schiff (PAS) and Silver Stain Procedure No. HT100.

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Acid green 50, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Lissamine Green B has been used in blood-brain barrier (BBB) studies and is used to study the its effect on herpes simplex virus 1 (HSV-1) corneal infection in animals.

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DiO, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

3,3′-Dioctadecyloxacarbocyanine perchlorate has been used for lipid bilayer labeling in antigen-presenting cells. It has also been used as a lipophilic dye for labeling in zebrafish embryos.

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6-CFDA (6-Carboxyfluorescein diacetate, single isomer), Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Used to differentiate viable cells from apoptotic cells. Live cells that are not apoptotic accumulate 6-carboxyfluorescein but do not accumulate annexin. Fluorescent wavelengths λex 492 nm; λemm 517 nm in 0.1 M Tris, pH 8.0.

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Silver diethyldithiocarbamate, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Spin trap used in conjunction with Fe²⁺ to detect NO in brain, kidney, liver, and other tissues. Simultaneous direct measurement of NO* and pO₂ has been reported. A copper chelator, it has been used to quantitate copper in biological materials by ESR and is an inhibitor of superoxide dismutase, ascorbate oxidase, and other enzymes. Also used for colorimetric determination of small quantities of arsenic. Silver diethyldithiocarbamate has been used in cell culture. Also used for colorimetric determination of small quantities of arsenic. Spin trap used in conjunction with Fe²⁺ to detect NO in brain, kidney, liver, and other tissues. Simultaneous direct measurement of NO* and pO₂ has been reported. A copper chelator, it has been used to quantitate copper in biological materials by ESR and is an inhibitor of superoxide dismutase, ascorbate oxidase, and other enzymes.

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Carbol fuchsin (Ziehl-Neelsen) for microscopy and bacteriology phenol-free, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

It is used as diagnostic assay manufacturing, hematology, histology.

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Epoxy embedding medium, hardener MNA, Sigma-Aldrich®

Supplier: SIGMA ALDRICH MICROSCOPY

Epoxy embedding medium is generally used for biological tissues during study by electron microscopy. Usually, it consists of three components; Epon 812 resin, an anhydride hardener and an accelerator

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Nigrosine 10% staining solution, for microscopy

Supplier: SIGMA ALDRICH MICROSCOPY

Composition: Nigrosin 100 g/l, Formalin 5 ml/l in water

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