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Acid phosphatase assay

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Get tips on using LIVE/DEAD™ Viability/Cytotoxicity Kit, for mammalian cells to perform Live / Dead assay mammalian cells - SH-SY5Y Human neuroblastoma

Products Thermo Fisher Scientific LIVE/DEAD™ Viability/Cytotoxicity Kit, for mammalian cells

Get tips on using FragEL™ DNA Fragmentation Detection Kit, Colorimetric - TdT Enzyme to perform TUNEL assay cell type - 3T3 L1 mouse adipose tissue

Products Millipore FragEL™ DNA Fragmentation Detection Kit, Colorimetric - TdT Enzyme

Get tips on using PE Annexin V Apoptosis Detection Kit with 7-AAD to perform Apoptosis assay cell type - T-cells Mouse (OT-I)

Products BD Biosciences PE Annexin V Apoptosis Detection Kit with 7-AAD

Get tips on using Click-iT™ EdU Alexa Fluor™ 555 Imaging Kit to perform Cell cytotoxicity / Proliferation assay cell type - PC-3

Products Thermo Fisher Scientific Click-iT™ EdU Alexa Fluor™ 555 Imaging Kit

Get tips on using QIA33 | FragEL™ DNA Fragmentation Detection Kit, Colorimetric - TdT Enzyme to perform Apoptosis assay cell type - Human endometrial stromal cells

Products Millipore QIA33 | FragEL™ DNA Fragmentation Detection Kit, Colorimetric - TdT Enzyme

Get tips on using Image-IT™ LIVE Green Reactive Oxygen Species Detection Kit, for microscopy to perform ROS assay cell type - MCF-7

Products Thermo Fisher Scientific Image-IT™ LIVE Green Reactive Oxygen Species Detection Kit, for microscopy

Get tips on using Purified Mouse Anti-p62 Ick ligand Clone 3/P62 LCK LIGAND (RUO) to perform Autophagy assay cell type - THP 1

Products BD Biosciences Purified Mouse Anti-p62 Ick ligand Clone 3/P62 LCK LIGAND (RUO)

Get tips on using Purified Mouse Anti-p62 Ick ligand Clone 3/P62 LCK LIGAND (RUO) to perform Autophagy assay cell type - SH-SY5Y

Products BD Biosciences Purified Mouse Anti-p62 Ick ligand Clone 3/P62 LCK LIGAND (RUO)

Get tips on using D,L-Sulforaphane N-Acetyl-L-cysteine (SFN-NAC) (CAS 334829-66-2) to perform Autophagy assay cell type - U373MG

Products Santa Cruz Biotechnology D,L-Sulforaphane N-Acetyl-L-cysteine (SFN-NAC) (CAS 334829-66-2)

The most widely used method for protein quantification is by spectrophotometry. The concentration of the protein in the samples is measured at an absorbance of 280 nm. The absorbance of the sample protein is then plotted against a standard curve. This method allows for total protein quantification in a sample (cell and tissue extracts). Before analysing the concentration of protein in the sample, it is important to choose the right test method.  For high protein concentration samples (above 5 - 160 mg/ml) the best method is to use the Biuret test. For low concentrations samples (between 1 - 2000µg/ml) the best methods are Lowry assay, BCA assay, Bradford assay and coomassie blue (for exact sensitivity of the test kits you use, refer to manufacturer's protocol). If the samples contain detergents like Triton X-100 then BCA assay is the best choice. For samples that have proteins larger than 3 KDa in size Bradford assay is the best choice. Each method has advantages and disadvantages, plan your analysis considering your sample characteristics.

Proteins Protein quantification Colorimetric method

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