Testy proteinové
Přesné stanovení celkové koncentrace proteinů je klíčem k většině experimentů a je často nezbytné pro izolaci, separaci a analýzu proteinů biochemickými metodami. Když je nutné určit celkovou koncentraci proteinů ve vzorku, jedním z prvních faktorů je volba metody stanovení proteinů. Tato volba je obvykle založena na kompatibilitě metody s analyzovanými vzorky. Každá metoda má své vlastní výhody a nevýhody.
VWR® Protein Precipitation Kit
Supplier: VWR Chemicals
The Protein Precipitation Kit utilises a simple trichloroacetic acid (TCA) based method to precipitate proteins in complex mixtures. Only protein in the sample is pelleted, while interfering salts and surfactants remain in the supernatant. A gentle acetone wash removes TCA and co-precipitants allowing the end-user to recover the protein in a small volume of buffer.
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Conjugate stabilisers
Supplier: Rockland Immunochemicals
Conjugate stabilisers are used with horseradish peroxidase (HRP) and calf intestinal alkaline phosphatase conjugated primary or secondary antibodies or other proteins or compounds in solution. The components of the stabiliser (proprietary) are unique and stabilise both the antibody and enzyme portions of the conjugate.
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eFluxx-ID® multidrug resistance assay kit
Supplier: Enzo Life Sciences
The EFLUXX-ID® Multidrug Resistance Assay Kit allows for functional detection of all three clinically relevant ABC transporter proteins MDR1 (p-glycoprotein), MRP1/2, and BCRP. The assay uses a hydrophobic, non-fluorescent compound that readily penetrates the cell membrane, where it is hydrolyzed to a hydrophilic fluorescent dye by intracellular esterases.
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Thermal shift protein stability kits, GloMelt™
Supplier: Biotium
Kit for fluorescence-based measurement of protein unfolding or thermal stability in thermal shift assay, also called Protein Thermal Shift™, differential scanning fluorimetry, or Thermofluor assay.
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Foxp3 / Transcription Factor Staining Buffer Kit, Tonbo Biosciences
Supplier: Tonbo Biosciences
Tonbo Biosciences Foxp3 / Transcription Factor Staining Buffer Kit contains specially formulated buffers and solutions for optimal resolution and low background in your analysis of nuclear antigens by flow cytometry
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Protein assay kits, RED 660™
Supplier: G-Biosciences
RED 660™ Protein Assay is a single reagent colorimetric assay that outperforms many commercial colorimetric assays, including Bradford and improved Coomassie/Bradford assays. It offers greater linearity, colour stability, and compatibility with detergents, reducing agents and other interfering agents compared to the Coomassie assays. The single, ready to use reagent allows for rapid analysis of total protein concentration and generates highly reproducible results.
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Protein carbonyl colorimetric assay kit
Supplier: Cayman Chemical
The Protein Carbonyl Colorimetric Assay Kit is for the measurement of oxidised proteins. Protein samples are derivatised by making use of the reaction between 2,4-dinitrophenylhydrazine and protein carbonyls.
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Bicinchoninic acid (BCA) reducing agent compatible protein Assay
Supplier: G-Biosciences
The Bicinchoninic Acid (BCA) Protein Assay is a highly sensitive colorimetric assay that is compatible with detergent solubilised protein solutions, however is dramatically affected by the presence of reducing agents, including DTT, ß-mercaptoethanol and TCEP.
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Protein quantitation assay kits, Non-Interfering™ (NI™) Protein Assay
Supplier: G-Biosciences
A highly sensitive colorimetric protein assay that overcomes interference of common laboratory agents present in protein solutions and shows minimal protein-to-protein variation. The assay is unaffected by the presence of common laboratory agents such as reducing agents, chelating agents, detergents, amines, sugars, chaotropes, salts, drugs, antibiotics, cobalt, and others.
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SUMO-QAPTURE-T® kit for isolation and enrichment of SUMOylated proteins
Supplier: Enzo Life Sciences
The only commercially available kit for isolation and enrichment of SUMOylated proteins.
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PROTEOSTAT® protein aggregation assay
Supplier: Enzo Life Sciences
PROTEOSTAT® Protein aggregation assay provides a simple, homogenous assay format for monitoring peptide and protein aggregation in solution. This is useful for defining optimal storage formulations for proteins, for screening of compounds that promote or inhibit protein aggregation and potentially for the sensitive measurement of molecular chaperone activity. The assay can be employed to streamline protein processing and formulation optimization procedures.
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Protein Digestibility Assay Kit
Supplier: NEOGEN
The Protein Digestibility Assay Kit (K-PDCAAS) is used for in vitro measurement of the Animal-Safe Accurate Protein Quality Score (ASAP-Quality Score Method).
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Glycogen Assay Kit
Supplier: Cayman Chemical
A simple and sensitive tool for assaying glycogen from tissue.
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L-Lactate Assay Kit
Supplier: Cayman Chemical
A fluorescence-based method for detecting L-lactate in biological samples such as serum, plasma, blood, urine, and saliva.
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Bicinchoninic acid (BCA) protein assay
Supplier: G-Biosciences
The Bicinchoninic Acid (BCA) Protein Assay is a highly sensitive colorimetric assay that is compatible with detergent solubilised protein solutions.
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Micro Bicinchoninic Acid (BCA) protein assay
Supplier: G-Biosciences
The Micro Bicinchoninic Acid Protein Assay is a highly sensitive colorimetric assay that is compatible with detergent solubilised protein solutions. This modification of the Bicinchoninic Acid (BCA) Protein Assay is suitable for dilute protein samples (0,5 to 20 µg/ml).
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