Products & Reviews

It can be challenging to purify sufficient high-quality protein from mammalian cells. Boost protein recovery 30-60% with an optimized covalent protein tag, called HaloTag®. This complete kit offers strong improvements in recovery, purity, cost and protein functionality over historical FLAG® and poly-His tag purification strategies.

The DPPIV-Glo™ Protease Assay is a homogeneous, luminescent assay that measures dipeptidyl peptidase IV (DPPIV) activity. DPPIV is a serine protease that cleaves N-terminal dipeptides from polypeptides with L-proline or L-alanine at the penultimate position. The DPPIV-Glo™ Assay provides a proluminescent DPPIV substrate, Gly-Pro-aminoluciferin, in a buffer system optimized for DPPIV and luciferase activities. The addition of a…

Universal, HTS Kinase Screening Assays Use higher ATP concentrations: Linear response up to 500μM ATP. Use any kinase and kinase-substrate combination, including peptide, protein, lipid, and sugar substrates. Perform the assay without substrate modifications. Obtain reliable results: Z´-factor values routinely >0.7. Reduce false hits: Luminescence is much less susceptible to interference from library compounds t…

The ONE-Glo™ Luciferase Assay System provides a highly sensitive, robust, homogeneous assay for detection of firefly luciferase reporter gene expression in mammalian cells. Ideally suited for high- and ultrahigh-throughput applications, the ONE-Glo™ Assay contains a new luciferase substrate, resulting in a reagent that is more stable, more tolerant to sample components, and has less odor than standard luciferase assay reagents…

The ApoTox-Glo™ Triplex Assay combines three assay chemistries to easily assess viability, cytotoxicity and apoptosis events in the same cell-based assay well. First, viability and cytotoxicity are determined by measuring two differential protease biomarkers simultaneously with the addition of a single nonlytic reagent containing two peptide substrates. The live-cell protease activity is restricted to intact viable cells and i…

The ECL Western Blotting Substrate is a highly sensitive non-radioactive, enhanced luminol-based chemiluminescent substrate for the detection of horseradish peroxidase (HRP) on immunoblots. The ECL Western Blotting Substrate detects picogram amounts of antigen, and with the use of photographic or other imaging methods, visualizes the presence of HRP. The ECL Western Blotting Substrate is a highly sensitive non-radioactive,…

The ONE-Glo™ + Tox Assay combines luciferase assay chemistry with a cell viability marker to better understand reporter gene expression in the context of cell health. The assay uses a two-step, addition-only process to make these measurements in a single well of a plate, negating the need to run parallel assays. The first part of the assay is a nonlytic fluorescence assay (CellTiter-Fluor™ Cell Viability Assay) that measure…

The Griess Reagent System measures nitrite (NO2–), which is one of two primary stable and nonvolatile breakdown products of nitric oxide (NO). Nitric oxide is an important physiological messenger and effector molecule in many biological systems, including immunological, neuronal and cardiovascular tissues. This assay relies on a diazotization reaction that was originally described by Griess in 1879. Through the years, many mod…

The QuantiFluor™ RNA System contains a fluorescent RNA-binding dye that enables sensitive quantitation of small amounts of RNA in solution. Detecting and quantitating small amounts of RNA is a very important step used in many biological applications, particularly in molecular biology techniques. These include measuring yields of in vitro transcribed RNA and measuring RNA concentrations before performing Northern blot anal…

Brighter signal for earlier quantification of low and high copy RNA targets in a convenient 1-Step RT-qPCR format GoTaq® 1-Step RT-qPCR System is a reagent system that gives a brighter signal for earlier quantification of low and high copy RNA targets, using a one-step reverse transcription-quantitative PCR (RT-qPCR) protocol in a single tube format. The system incorporates BRYT Green® Fluorescent Dye, a novel dye…

The GoTaq®Real-Time PCR Systems are ready-to-use 2X master mixes optimized for quantitative PCR in dye (using BRYT(R) Green Dye) or hydrolysis probe detection format.   The 1-Step and 2-Step RT-qPCR Master Mixes contain GoScript™ Reverse Transcriptase for efficient first-strand cDNA synthesis.     GoTaq Real-Time PCR Systems Features & Benefits: Higher fluorescence, often resulting in earlier Cqs Direct su…

The PowerPlex® Y23 System is a 23-loci, 5-color Y-STR multiplex designed for genotyping forensic casework samples, database samples and paternity samples.   The kit contains: all 12 loci in the current PowerPlex® Y System, the additional 5 loci found in AmpFlSTR® Y-filer®, plus 6 new loci.   PowerPlex® Y23 System Benefits: Reveal more Y-STR loci in excess female DNA Cut your amplification time roughly in ha…

The DNA IQ™ System is a DNA isolation system designed specifically for forensic and paternity laboratories. This system employs novel paramagnetic particles to isolate clean DNA for use with short tandem repeat (STR) analysis. The DNA IQ™ System can be used to extract DNA from a variety of sample types, including stains and liquid samples. Protocols for database samples and casework samples are available. The unique DNA IQ™…

The PowerPlex® Fusion System is a 24-locus multiplex for human identification applications including forensic analysis, relationship testing and research use.   The PowerPlex® Fusion System provides all of the materials needed for co-amplification and five-color fluorescent detection of 24 loci (23 STR loci and Amelogenin), including the CODIS core loci and the European Standard Set (ESS) loci. With 24 loci, the sys…

DNA Polymerase I catalyzes the template-directed polymerization of nucleotides into duplex DNA in a 5´→3´ direction. DNA Polymerase I possesses a 3´→5´ exonuclease activity or "proofreading" function, which lowers the error rate during DNA replication, and also contains a 5´→3´ exonuclease activity, which enables the enzyme to replace nucleotides in the growing strand of DNA by nick translation (1). The enzyme, purified from r…

The CellTox™ Green Cytotoxicity Assay measures changes in membrane integrity that occur as a result of cell death. The assay is intended to assess cytotoxicity in cell culture after experimental manipulation. The assay system uses a proprietry asymmetric cyanine dye that is excluded from viable cells but preferentially stains the DNA from dead cells. When the dye binds DNA released from cells, its fluorescence properties are s…

The GoTaq® Probe qPCR Master Mix is optimized for quantitative PCR assays in the hydrolysis probe detection format.   It is provided as a ready-to-use, stabilized 2X formulation that includes all components for qPCR (except template, primers and probe). This master mix does not contain a reference dye; however, a separate tube of carboxy-X-rhodamine (CXR) reference dye is included with this system, allowing users to add…

The GoTaq® Probe 1-Step RT-qPCR System is optimized for quantitative PCR assays in the hydrolysis probe detection format. The system enables detection and relative quantification of RNA expression levels using a one-step RT-qPCR method, combining GoScript™ Reverse Transcriptase and GoTaq® Probe qPCR Master Mix in single-step real-time amplification reactions. The GoScript™ RT Mix for 1-Step RT-qPCR (50X) combines optimi…

The GoTaq® Probe 2-Step RT-qPCR System is optimized for quantitative PCR assays in the hydrolysis probe detection format. The system protocol facilitates detection and relative quantification of RNA expression levels via a two-step RT-qPCR method using integrated components: • GoScript™ Reverse Transcription System • GoTaq® Probe qPCR Master Mix The GoScript™ Reverse Transcription System includes an optimized reaction b…

ART® Aerosol-Resistant Tips offer a safe alternative to using positive displacement pipettors. ART® Tips are designed for applications such as PCR, pipetting radioactive materials and genetic studies. In addition, ART® Tips are excellent for tissue culture, gel loading, serological assays and forensic studies. ART® Tips prevent aerosol contaminants and liquids from reaching the pipette barrel due to a non-wicking self-sealing…

Magne™ Protein G and Magne™ Protein A Beads are magnetic affinity beads with high specificity and high capacity for purification of immunoglobulins from cell culture media, ascites and serum samples.   These paramagnetic beads are composed of iron encapsulated in macroporous cellulose with low nonspecific binding. The magnetic beads use a novel attachment chemistry to immobilize recombinant Protein G or Protein A protein…

The MethylEdge™ System provides an efficient method to rapidly perform bisulfite conversion with minimal DNA fragmentation, giving you more intact, converted DNA for downstream applications.   Start with as little as 100pg of input DNA for those precious, limited samples. Use the MethylEdge™ System with other DNA Methylation Workflow reagents to perform sensitive DNA methylation analysis on many sample types. The rapi…

The GenePrint® 10 System is a complete system with all reagents required for successful identification and authentication of human cell lines and detection of cell line contaminants.   The GenePrint® 10 System allows co-amplification and three-color detection of nine human loci, including the ASN-0002 loci (TH01, TPOX, vWA, Amelogenin, CSF1PO, D16S539, D7S820, D13S317, and D5S818) as well as D21S11. These loci collective…

The ROS-Glo™ H2O2 Assay is a homogeneous, fast and sensitive bioluminescent assay that measures the level of hydrogen peroxide (H2O2), a reactive oxygen species (ROS), directly in cell culture or in defined enzyme reactions.   This assay allows identification of conditions or test compounds, such as small molecule inhibitors or inducers, that alter ROS levels. The scalable multiwell format couples a stable luminescent si…

If there is DNA to detect, the Plexor® HY System will show it. Total human DNA. Total male DNA. The power to see it all in a single assay.   The Plexor® HY System is a real-time PCR assay to determine the concentration of total human DNA and male human DNA simultaneously in one reaction. The kit contains an internal PCR control (IPC) to test for false-negative results that may occur in the presence of PCR inhibitors…