587 Results for: "Assay Kits and Reagents"

Supplier: Cytiva

illustra™ MicroSpin™ S-300 HR columns designed for rapid purification of PCR products (>100 bp) from unincorporated primers (<20-mers) and nucleotides using spin-column chromatography.

Supplier: BIOPREMIER

Food safe kits provide a simple, reliable, and rapid procedure for detecting the presence of a specific pathogenic bacteria. The assay is based on 5’ nuclease Real-Time PCR reactions to amplify a unique genomic sequence in the target microorganism. PCR is a method used to amplify a specific DNA sequence which is typically amplified in a reaction containing a thermostable DNA polymerase, nucleotides, and primers complementary to the target sequence. When this solution is heated, the DNA molecule denatures, separating into two strands. As the solution cools, the primers anneal to the target sequences in the separated DNA strands and the DNA polymerase synthesises a new strand by extending the primers with nucleotides, creating a copy of the DNA sequence (amplicons). When repeated, this cycle of denaturing, annealing, and extending exponentially increases the number of target amplicons. In Real-Time PCR, specific fluorescent probes are used to detect the amplified DNA by hybridising with amplicons. These probes are linked to a fluorophore on one end and a quencher that suppresses fluorescence on the other. If the target sequence is present during the PCR, amplification occurs and the probe is degraded, resulting in fluorescence increase. Fluorescence is measured by a detector and the associated software plots the fluorescence intensity versus number of cycles, allowing the determination of the presence or absence of the target organism.

Supplier: G-Biosciences

Tissue PE LB™ has been developed for extraction of total biologically active, soluble proteins from animal tissues. Tissue PE LB™ is based on an organic buffer and utilises a mild non-ionic detergent, chelating agent, and a proprietary combination of various salts and agents to enhance extraction and stability of proteins. Depending on the required downstream application, additional agents such as reducing agents and protease inhibitors may be added into Tissue PE LB™. Tissue PE LB™ has been tested for use with a wide variety of fresh and frozen animal tissues.

Supplier: Cytiva

RNAspin Mini RNA Isolation Kit is a complete RNA purification kit designed for rapid extraction of high-quality total RNA from a wide range of sample types.

Supplier: Thermo Fisher Scientific

Thermo Scientific™ GlycoLink IP Kit provides components for effective immunoprecipitation (IP and co-IP) based on small-scale, covalent, affinity-resin immobilisation of antibodies and other glycoproteins via oxidised sugar groups.

Supplier: BIOPREMIER

Food safe kits provide a simple, reliable, and rapid procedure for detecting the presence of an animal species in meat and meat products. The assay is based on 5’ nuclease Real-Time PCR reactions to amplify a unique genomic sequence in the target organism. According to European Commission Directive 2002/86/EC, food ingredients have to be declared. In the case of meat and meat products, the animal species has to be disclosed on the label. Moreover, the species autenticity can be highly relevant to consumers for economic, medical, cultural and religious reasons. Fraudulent substitution of cheaper meats in place of more expensive species, the inclusion of meat in non meat (vegetarian) products and the presence of allergens in food products are clear examples for the importance of this issue (Ballin, 2010; Dooley et al., 2004). Several methods are based on identification of proteins by means of electrophoretic and/or immunological methods. However, these methods are not reliable for application in highly processed and heated products due to the protein deterioration. DNA is more stable than proteins during processing and although it can be fragmented by several processes, modern DNA methodologies like PCR-based techniques still allow the identification of DNA from the different species present in a sample (Lockley & Bardsley, 2000). Real-Time PCR techniques are especially suitable for these products because small fragments of DNA can still be amplified and identified with high sensitivity and specificity (Dooley et al., 2004).

Supplier: Cytiva

ProbeQuant™ G-50 micro columns use spin column chromatography to provide a fast and reliable method for purifying labelled probes from unincorporated labelled nucleotides. In addition, a portion of the eluted DNA can be counted in a scintillation counter and compared to an unpurified sample to give an approximation of percent incorporation. The columns are designed for use in a microcentrifuge, come prepacked with Sephadex™ G-50 DNA grade and are pre-equilibrated in STE, which means that they are ready to use. They can accommodate samples ranging in volume from 25 μl to 50 μl.

Supplier: EDVOTEK

When bacteria are used to make medicinally useful proteins by transformation, the protein of interest must be separated from all of the other cellular proteins. In this experiment, the unique fluorescent properties of GFP and BFP are used as an assay during their purification from an E. coli extract. The column fractions containing GFP or BFP are identified by fluorescence and then purified. As an optional activity, purified protein fractions can be separated by SDS polyacrylamide gel electrophoresis (SDS-PAGE) to estimate the purity and size of the GFP and BFP proteins.

Supplier: G-Biosciences

Mammalian Cell PE LB™ has been developed for extraction of total biologically active, soluble proteins from mammalian cultured cells. The Mammalian Cell PE LB™ is based on organic buffering agents and utilises a mild non-ionic detergent, chelating agent, and a proprietary combination of various salts and agents to enhance extraction and stability of proteins. Depending on the required downstream application, additional agents such as reducing agents, phosphatase and protease inhibitors may be added into Mammalian Cell PE LB™. Mammalian Cell PE LB™ has been tested on a wide variety of mammalian cells and can be used for both suspension and adherent cells.

Supplier: Biosepar

ParasiTrap® enables detection of worm eggs, protozoa and larvae. The ParasiTrap® is a transport and testing system for the parasitological examination of stools in human and veterinary medicine. It is a completely closed system with 4 simple steps to make the diagnosis: 1. load tube with sample; 2. add solvent and stain; 3. filter and concentrate; 4. examine under microscope. It was developed to facilitate the unpleasant task of processing infectious stools in laboratory environments, reduce risk of infection and ensure the best possible yield of parasites. The closed system also allows macroscopic diagnostic procedures to be performed where necessary. This diagnostics concept fully complies with the modern quality management criteria of national and international guidelines (EU, CDC, WHO, BGA, DPG). All systems are free of merthiolate and ether. The ParasiTrap® AF-System contains a filled processing and transport tube I (with Medium AF) and the processing tube II with integrated stainless steel filter system. Accessories: separation medium B, staining solution medium C, Pasteur pipettes (disposable), spoons and cotton wool sticks. Additional screw caps for processing tube II.

Supplier: Biotium

EvaGreen® Dye and high-performance dye-based qPCR master mixes containing EvaGreen® qPCR dye, Cheetah™ HotStart Taq Polymerase, and Forget-Me-Not™ tracking dye. Available with 2-colour tracking or pre-mixed with low or high ROX.

Supplier: Cytiva

illustra™ Hot Start Master Mix is a 2X premixed formulation that can effectively reduce non specific priming and primer-dimer formation during PCR. illustra™ Hot Start Master Mix uses a novel hot start method called primer sequestration.

Supplier: GILSON

PIPETMAX is an automated pipetting solution for the efficient processing of high throughput biological assays. It will help you to improve on the accuracy, reproducibility, and consistency among all samples processed. Unlike traditional automation platforms, PIPETMAX comes in a bench top size that easily fits into any lab.

Supplier: Biotium

5(6)-CFDA, SE (full name: 5-(and-6)-Carboxyfluorescein diacetate, succinimidyl ester, also known as CFSE) is a useful fluorescent tracer that can passively diffuse into cells and covalently label intracellular proteins, resulting in long-term cell labeling.

Supplier: Corning

These low binding barrier tips feature an inert, high-density PE barrier to eliminate aerosol carryover contamination during critical pipetting procedures. The tips will not trap liquids or inhibit PCR in the event of over pipetting.

Supplier: Corning

Corning® DeckWorks™ pipette tip system is designed to allow you to maximize storage space and help reduce the production and waste of plastic materials.

Supplier: Corning

PP, graduated. The DeckWorks™ system is designed to maximise storage space and help reduce the production and waste of plastic materials. Both the hinged racks and reload decks within this system are manufactured with recycled plastic.