| Description | Inquire | Product contentG665801Component100 TStorageG665801A2×GoldStar Probe One Step Buffer1.4 mL-20℃. Avoid freeze/ Thaw cycle. Protect from light.G665801BGoldStar Probe One Step EnzymeMix100 µL-20℃. Avoid freeze/ Thaw cycle. Protect from light.G665801C50×High ROX50 µL-20&#Product contentG665801Component100 TStorageG665801A2×GoldStar Probe One Step Buffer1.4 mL-20℃. Avoid freeze/ Thaw cycle. Protect from light.G665801BGoldStar Probe One Step EnzymeMix100 µL-20℃. Avoid freeze/ Thaw cycle. Protect from light.G665801C50×High ROX50 µL-20℃. Avoid freeze/ Thaw cycle. Protect from light.G665801DRNase-Free Water1.5 mL-20℃. Avoid freeze/ Thaw cycle. Product Introduction This product is a specialized kit for one-step Real-Time RT-qPCR using the probe method (TaqMan, Molecular Beacon, etc.). When using this product for Real Time RT-qPCR reaction, reverse transcription and quantitative PCR are carried out in the same reaction system, and there is no need to add reagents or open the cap of the tube during the reaction process, which avoids contamination and improves the experimental efficiency at the same time. With high detection sensitivity, strong fluorescence signal and high signal-to-noise ratio, this product is very suitable for the detection of RNA viruses and other trace RNA. The special buffer system contained in this product can maximize the effectiveness of reverse transcriptase and DNA polymerase at the same time and improve the efficiency of the reaction. A wider linear range can be obtained with this product, more accurate quantification of the target gene, good reproducibility and high confidence.ROX dye is used to correct the fluorescence signal error generated between wells of a quantitative PCR instrument, and is generally used in Real Time PCR amplifiers from ABI, Stratagene, and other companies. The excitation optics vary from instrument to instrument, so the concentration of ROX dye must be matched to the corresponding fluorescence quantitative PCR instrument. Instruments that do not require ROX calibration (G665836) Roche LightCycler 480, Roche LightCyler 96, Bio-rad iCyler iQ, iQ5, CFX96 and others. Instruments that require High ROX calibration (G665801) ABI Prism 7000/7300/7700/7900, Eppendorf, ABI Step One/Step One Plus, and others.matters needing attention1.Before using the reagents in this kit, please mix them gently by turning them up and down to avoid foaming as much as possible, and use them after brief centrifugation.2.This product uses RNA as the template for one-step RT-PCR experiment, RNase contamination should be avoided during operation, it is recommended to operate RNA in a special area, use special instruments and consumables, the operator with a mask and disposable gloves and often change the gloves, the experiment-related consumables should be processed with 0.1% DEPC (diethyl ether pyrocarbonate) aqueous solution for 12 hours at 37℃, and autoclaved for 30 minutes before use. The consumables should be treated with 0.1% DEPC (diethylpyrocarbonate) aqueous solution at 37℃ for 12 hours and autoclaved for 30 minutes.3.Repeated freezing and thawing of each reagent in this kit should be avoided as much as possible; repeated freezing and thawing may degrade the product performance.4.This kit must use specific primers, the choice of primers can be selected according to specific experiments, the good or bad primer design directly affects the results of RT-qPCR reaction, the design of primers need to consider the GC content, primer length, primer position, the secondary structure of the PCR product and other factors, it is recommended to use a professional primer design software for design.5.This kit is recommended to use specific probes, and it is recommended to use professional design software for designing.UsageThe following examples are conventional reaction systems and conditions, which should be improved and optimized according to the different templates, primer structures and target fragment sizes in actual operation. (Please prepare the reaction solution on ice.)1. Dissolve RNA template, primers, 2× GoldStar Probe One Step Buffer, GoldStar Probe One Step EnzymeMix and RNase-Free Water and set aside on ice.2. PCR reaction system:reagents25µl reaction systemfinal concentration2×GoldStar Probe One Step Buffer12.5µl1×Forward Primer, 10µM0.5µl0.2µM¹⁾Reverse Primer, 10µM0.5µl0.2µM¹⁾Probe, 10µM0.5µl0.2µM²⁾GoldStar Probe One Step EnzymeMix1.0µl RNA TemplateXµl10pg-100ng³⁾50 x Low ROX or High ROX (optional)⁴⁾0.5µl1×RNase-Free WaterUp to 25µlNote: 1) Usually, better results can be obtained with a primer concentration of 0.2 µM, and 0.1-1.0 µM can be used as a reference for setting the range.(2) The concentration of the probe used is related to the fluorescence quantitative PCR instrument used, the type of probe, and the type of fluorescent labeling substance, please refer to the instrument manual or the specific requirements for the use of each fluorescent probe for the adjustment of the concentration in actual use.(3) Usually the amount of RNA template is 10pg-100ng as a reference. Since the templates of different species contain different copy numbers of target genes, the templates can be diluted in gradient to determine the optimal amount of template to use.(4) The excitation optical system varies from instrument to instrument, choose to add 50×Low ROX or 50×High ROX according to the instrument using fluorescence quantification.3. Mix well, centrifuge briefly, and collect the solution at the bottom of the tube.4.RT-PCR reaction conditions:Note: 1) The hot start enzyme used in this product must be activated under the condition of pre-denaturation 95℃, 5-10min. 2) It is recommended to use the two-step PCR reaction program, if you can not get good experimental results due to the use of primers with lower Tm value, etc., you can try to carry out the three-step PCR amplification, and the annealing temperature should be set in the range of 56℃-64℃ as a reference... Read More | DescriptionThe plasma protein lecithin:cholesterol acyltransferase (LCAT) catalyzes the transfer of an acyl group from the sn2 position of phosphatidylcholine to the 3-hydroxyl group of cholesterol forming cholesteryl ester. This activity occurs on the surface of high density lipoprotein (HDL) and DescriptionThe plasma protein lecithin:cholesterol acyltransferase (LCAT) catalyzes the transfer of an acyl group from the sn2 position of phosphatidylcholine to the 3-hydroxyl group of cholesterol forming cholesteryl ester. This activity occurs on the surface of high density lipoprotein (HDL) and the cholesteryl esters formed by LCAT are incorporated into the core of HDL.Preparation instructionsSuitable for high-throughput screening, mechanism of action studies and structureactivity relationship (SAR) work of LCAT in plasma and serumPrincipleThe LCFC-LCAT Acyltransferase Activity Assay is a fluorometric assay useful for measuring the acyltransferase activity of LCAT in serum or plasma. The method detects changes in LCAT free cholesterol (LCFC) levels in the sample without the use of c... 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