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378 results for Protein Linking and Labeling Systems

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Protein Linking and Labeling Systems

Protein linking and labeling systems provide a convenient means for attaching fluorescent labels or biotins to antibodies and larger proteins. These kits are ideal for use with multiple applications, including flow cytometry, fluorescent microscopy, immunohistochemistry, primary detection, ELISAs, immunocytochemistry, and FISH. These systems are available with a variety of dye colors, biotin, fluorescent agents, and all the components needed to perform multiple conjugations and purifications. Protein labeling follows a simple protocol of reaction, separation, and then use.

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Reactive quencher dyes

Supplier: Biotium

Reactive quenchers that act as acceptors in fluorescence resonance energy transfer (FRET) applications.

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Biotin kits, Micro HOOK™

Supplier: G-Biosciences

The micro HOOK™ Biotin kits are designed to label small amounts of proteins, with each kit designed for 8 to 10 labellings of 50 to 250 µg protein/reaction.

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Organelle-ID™ RGB reagent I

Supplier: ENZO LIFE SCIENCES

Mixture of fluorescent dyes for detection of lysosomes, mitochondria and nucleic acids

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Maxi fluorescent antibody labelling kits, Mix-n-Stain™, 1 mg labelling

Supplier: Biotium

The simplicity and convenience of Mix-n-Stain™ labelling, for conjugation of 1 mg IgG with fluorescent CF® dyes or other dyes.

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B-Phycoerythrin (BPE)

B-Phycoerythrin (BPE)

Supplier: Columbia Biosciences

Because of its high quantum yield, B-PE is considered the world’s brightest fluorophore.

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Dye conjugates dUTP CF®

Supplier: Biotium

CF® dye-dUTP can be used for TUNEL assay, microarray, or to synthesize labelled DNA probes for in situ hybridisation and nucleic acid blotting applications.

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Biotin SE protein labelling kit

Supplier: Biotium

This kit contains everything needed to label antibodies or other proteins with biotin succinimidyl ester (biotin SE). Each kit contains reagents for three labelling reactions of up to 1 mg protein per reaction.

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HRP-conjugate stabiliser, SeramunStab® STNP

Supplier: Apollo Scientific

Liquid product red odourless pH 6,7 to 6,9. Protein free Stabiliser. Enzyme activity preservation by special chemistry.

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Bilirubin conjugate, sodium salt

Supplier: Cayman Chemical

Bilirubin conjugate is a stable, water-soluble ditaurate derivative of bilirubin meant to mimic endogenous bilirubin glucuronide derivatives.

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Calmodulin Resin Kit for CBP purification

Calmodulin Resin Kit for CBP purification

Supplier: G-Biosciences

The Calmodulin Resin Kit is for the affinity purification of calmodulin binding proteins (CBP), including recombinant proteins with a CBP tag and calmodulin-regulated proteins in eukaryotic cells. The resin is 4% agarose coupled to calmodulin and has a ligand density of approximately 1 mg calmodulin/ml resin.

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ExoBrite™ CTB EV Staining Kits, Biotium

Supplier: Biotium

ExoBrite™ CTB EV Staining Kits were designed to overcome some of the challenges of EV detection, particularly in flow cytometry. ExoBrite™ CTB EV Stains bind to molecules in the EV membrane for bright, specific staining, with little to no background.

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Green 496 dUTP

Supplier: ENZO LIFE SCIENCES

Green 496 [5-Fluorescein] dUTP can replace TTP in reactions in which it serves as a substrate for E. coli DNA polymerase (holoenzyme and Klenow fragment), T4 and Taq DNA polymerases, reverse transcriptase (from AMV and M-MuLV) and terminal transferase.

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Phosphoserine detection set

Supplier: ENZO LIFE SCIENCES

The kit offers a set of six different MAbs specific for serine phosphorylation sites. Phosphorylation patterns in a given cell extract may differ when probed with different antibodies due to sequence specificity. Recognition therefore depends on two criteria: phosphorylation and surrounding aa motif. If one of the two criteria is not fulfilled, the antibody will not detect the phosphorylation site. Specificity has been determined by epitope mapping using degenerated phosphopeptide libraries. Clone 16B4 strongly interacts with pSK and pSP motifs, thus specifically recognizes substrates of MAP/SAP Kinases and CDC kinases.Clones 1C8, 4A3, 4A9, 4H4 and 7F12 interact with epitopes containing phosphoserine in the context of positive or neutral aa (e.g. substrates of PKA, PKB, PKC, PKG etc.) Though revealing a similar pattern in epitope mapping using phosphopeptide libraries, these antibodies interact with different sets of phosphoproteins in whole cell lysates.

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Gold 525 dUTP (lyophilised)

Supplier: ENZO LIFE SCIENCES

Gold 525 dUTP (lyophilised)

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CF® Dye cAMP

Supplier: Biotium

Fluorescently labelled cAMP analogs that can be used to probe cAMP receptors.

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Reactive oxygen species indicators dyes

Supplier: Biotium

Dihydrorhodamine 123 is the reduced form of rhodamine 123, which is a commonly used fluorescent mitochondrial dye. It is non-fluorescent, but it readily enters most of the cells and is oxidized by oxidative species or by cellular redox systems to the fluorescent rhodamine 123 that accumulates in mitochondrial membranes. It is useful for detecting reactive oxygen species including superoxide (in the presence of peroxidase or cytochrome c) and peroxynitrite. Dihydrorhodamine 123 dihydrochloride is functionally equivalent to dihydrorhodamine 123 but with increased stability toward air oxidation and light during storage. Dihydroethidium (also called hydroethidium) is the chemically reduced form of the commonly used DNA dye ethidium bromide. The probe is useful to detect oxidative activities in viable cells, including respiratory burst in phagocytes. Dihydroethidium itself has blue fluorescence (355/420 nm) in cells, while the oxidized form ethidium has red fluorescence (518/605 nm) upon DNA intercalation. H2DCFDA (2′,7′-Dichlorodihydrofluorescein diacetate) is a useful fluorogenic reagent to detect reactive oxygen intermediates in cells. On oxidation, H2DCFDA becomes the highly green fluorescent 2′,7′-dichlorofluorescein, 504/529 nm (end product).

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R-Phycoerythrin (RPE)

R-Phycoerythrin (RPE)

Supplier: Columbia Biosciences

Many applications and instruments were developed specifically for R-phycoerythrin.

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Coelenterazine Substrates for Renilla Luciferase and Apoaequorin

Supplier: Biotium

Coelenterazine and its analogs are luminescent enzyme substrates for apoaequorin and Renilla luciferase.

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Organelle-ID™ RGB reagent II

Supplier: ENZO LIFE SCIENCES

Mixture of fluorescent dyes for detection of lysosomes, endoplasmic reticulum and nucleic acids

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CF™ dye streptavidin and monoclonal mouse anti-biotin conjugates

Supplier: Biotium

CF™ dyes are superior to other fluorescent dyes for protein labelling due to advantages in brightness, photostability and water solubility.

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Tyramide amplification buffer plus

Tyramide amplification buffer plus

Supplier: Biotium

An optimized buffer with enhanced sensitivity for tyramide signal amplification of immunostaining in cells or tissue sections.

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Antibody labelling kits, Mix-n-Stain™ FITC

Antibody labelling kits, Mix-n-Stain™ FITC

Supplier: Biotium

Mix-n-Stain™ FITC antibody labelling kits utilise a technology that allows rapid antibody labelling with green fluorescent dye (FITC) without a purification step.

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AMC (7-Amino-4-methylcoumarin) standard

Supplier: ENZO LIFE SCIENCES

Fluorogenic chromophore. Ex(max): 380nm, Em(max): 460nm. Reference compound.

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Nuclear-ID™ Blue/Red cell viability reagent (GFP-Certified™)

Supplier: ENZO LIFE SCIENCES

Cell viability dye

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HRP-conjugate stabiliser, SeramunStab® STA2

Supplier: Apollo Scientific

Liquid product red odourless pH-value 7,3 to 7,5 Boiling point 102 °C. Stabiliser for a broad range of HRP conjugates.

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femtoCHROMO™- HRP Substrate for chromogenic detection

femtoCHROMO™- HRP Substrate for chromogenic detection

Supplier: G-Biosciences

A ready to use modified TMB (3, 3’, 5, 5’-Tetramethylbenzidine) substrate is used that generates a dark blue precipitate in the presence of horseradish peroxidase.

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ExoBrite™ True EV Membrane Stains

Supplier: Biotium

Lipophilic membrane dyes designed specifically for EV research and the best choice for general pan-EV staining.

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Mix-n-Stain™ Cyanine dye antibody labelling kits

Mix-n-Stain™ Cyanine dye antibody labelling kits

Supplier: Biotium

Revolutionary technology allows antibody labelling with Cyanine 555 (Cy®3) or Cyanine 647 (Cy®5) in 30 minutes without a purification step. The labelling procedure tolerates many common buffer components and antibody stabilisers.

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HRP - conjugate stabiliser, SeramunStab® STC

Supplier: Apollo Scientific

Liquid product red odourless pH-value 7,2 to 7,4 boiling point 103 °C. Optimised for background reduction.

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Nick Translation DNA Labelling System 2.0

Nick Translation DNA Labelling System 2.0

Supplier: ENZO LIFE SCIENCES

The Nick Translation DNA labelling system 2.0 provides a simple and efficient method for generating labelled DNA. The complete system includes all of the necessary reagents required for 50 Nick translation reactions and is recommended for labeling of double stranded DNA larger than 1 kb for fluorescent in situ hybridisation (FISH) applications.

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