Ordering Information Cat. No. Product ***********MagNA Lyser Instrument (230 Volt)***********MagNA Lyser Instrument (110 Volt)(Instruments supplied with rotor and rotor cooling block)***********MagNA Lyser Green Beads (100 tubes)Related Products Cat. No. Product***********MagNA Pure LC DNA Isolation Kit II (Tissue)***********MagNA Pure LC mRNA Isolation Kit II (Tissue)03 330 591 001MagNA Pure LC RNA Isolation Kit III (Tissue)***********MagNA Pure LC DNA Isolation Kit III (Bacteria, Fungi)***********MagNA Pure LC RNA Isolation Tissue Lysis Buffer – Refill (70 ml)System DescriptionHomogenize up to 16 samples in just a few seconds.Save valuable lab space with a small benchtop instrument.Reduce hands-on time by replacing the mortar and pestle and other manual methods.Integrate your workflow with the automated nucleic acid isolation of the MagNA Pure LC Instrument.Perform consistent and reproducible sample disruption.Process many different sample types.Prevent nucleic acid degradation with the benchtop cooling unit.Ease your setup with a removable rotor and prefilled disposable vials.Automate with an easy-to-use instrumentVersatile, efficient, and rapid pre-preparationFigure 71. Add your sample and lysis buffer to the MagNA Lyser Green Beads.2. Homogenize with the MagNA Lyser Instrument.3. Centrifuge to pellet the debris.4. Proceeed with the supernatant to prepare nucleic acids or proteins.For detailed information,visit or contact your local representative.Trademarks:MagNA Pure, MagNA Lyser, LightCycler, and the MagNA Pure Logo are trademarks of a member of the Roche Group.The technology used for the LightCycler System is licensed from Idaho Technology Inc., Salt Lake City, UT, USA.Fully automated sample preparationon the PCR Workflow SystemRoche Diagnostics GmbH Roche Applied Science Nonnenwald 282372 Penzberg Germany0000Roche Applied Science Part of Roche DiagnosticsMagNA Lyser InstrumentStart the Ball Rollingwith Automated Tissue HomogenizationᕤᕣᕢᕡFigure 6Components of the system.The MagNA Lyser InstrumentAutomated tissue homogenizationProcessing conditionsRefer to the following tables for guidelines on setting up your homogenizationSample material(10 mg)*Time settings(seconds)Cooling(between the runs)Speed Average yield(µg)***Average purity(OD 280/260 nm)***Spleen 2 x 25 906,00030–40 1.9Liver 25-6,00016–18 1.8Lung 2 x 25906,00025 1.8Kidney25-6,000201.8Maize leaves **20-5,00010n.d.Maize polenta **20-5,0008n.d.Tortilla chips **20-5,0001n.d.*Aliqout containing 10 mg sample material (here mouse and food samples) was taken for the DNA purificationusing the MagNA Pure LC DNA Isolation Kit II (Tissue), (see pack insert)**Centrifugation after the homogenization for 5 minutes at 2,200 x g*** Yield and purity strongly depend on the condition of the sample material n.d.not determinedData kindly provided by Dr. Peterhänsel, RWTH Aachen, GermanyFigure 1Gel electrophoresis from genomic DNA isolated from tissue homogenized with the MagNA LyserInstrument, using the MagNA Pure LC DNA Kit II (Tissue).Marker: DNA Marker III*Aliquot containing 10 mg sample material (here mouse and human research samples) was taken to purify RNAeither with the MagNA Pure LC RNA Isolation Kit III (Tissue) or the MagNA Pure LC mRNA Isolation Kit II (Tissue) homogenized with the MagNA Lyser Instrument.** Yield and purity strongly depend on the condition of the sample material. The yield for mRNA was not determined.Sample material(10 mg)*Time settings(cycles/seconds)Cooling(between/afterthe runs in seconds)SpeedAverage yield (mg)(total RNA)**Average purity(OD 280/260 nm)**RNA/mRNARarely expressed targets in small numbers of target cells,as seen in experiments about minimalresidual diseases,are difficult to detect.Increasing the cell number can improve sensitivity and lead to accurate results.Without the MagNA Lyser pre-processing,the MagNA Pure mRNA HS Kit can efficiently obtain mRNA from a maximum of 1 x 107white blood cells (WBCs),as shown in research studies with human samples.However,using greater cell numbers results in a saturation effect with quantitative assays (Figure 3).Homogenization of the lysate with the MagNA Lyser Instrument prior to the purification eliminatesthe amplification saturation at 1 x 107cells and allows the use of up to 2.5 x 107WBCs (Figure 4 and 5),enhancing the analytical sensitivity of the assay.Eliminate sensitivity barriers with increased sample inputFigure 3mRNA was purified from different amounts of human white blood cells with the MagNA Pure mRNA HS Kit. G6PDH was amplified using the LightCycler t(9;22) Quantification Kit (see text beside).Figure 4mRNA was purified from different amounts of human white blood cells with the MagNA Pure mRNA HS Kit. The lysates from 2.5 x 107cells and 5 x 107cells were homogenized with the MagNA Lyser Instrument (2x50 seconds with 90 seconds cooling in between) prior to the mRNA purification. G6PDH was amplified using the LightCycler t(9;22) Quantification Kit (see text beside).Figure 5Scalability from 1 x 106cells to 2.5 x 107cells is represented in the graph and the table of the relationship between crossing points and cell numbers. The limitation of cell input is indicated by no change in crossing point with increased cell number (see text beside).Cell number 5 x 1072.5 x 1071 x 1075 x 1061 x 106Log (cell number)7.77.47.06.76.0Crossing point 20.320.321.822.424.4crossingpointLog(cell number)252423222120195.86.36.87.37.8Figure 2Gel electrophoresis from total RNA isolated from tissue homogenized with the MagNA Lyser Instrument, using the MagNA Pure LC RNA Kit III (Tissue).Ma r k e rS p l e e nL i v e rL u n gK i d n e yM a r k e rMa i z e l e a v e sMa i z e l e a v e sS p l e e nL i v e r11 kb5 kb5 kb28 S rRNA 18 S rRNASpleen 2 x 50 90 6,500–7,000 30–40 1.9Liver 50 - 6,500–7,000 13–17 2.0Thymoid tissue60906,500n.d.n.d.Heart 60 90 6,500 n.d. n.d.Abdominal fat 60 90 6,500 n.d. n.d.Aorta 60 90 6,500 n.d. n.d. Other samples1+n x 50 90 6,500–7,000- -1 x 105 x 101 x 10- 5 x 101 x 105 x 105 x 10- 5 x 102.5 x 10 5 x 10。
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