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Purified Single-Stranded M13 DNA for Automated Sequencing
...uencing projects. 1-5 For many years, the standard laboratory protocol used to purify M13 DNA reliedupon polyethylene glycol (PEG)-NaCl precipitation of phage particles,phenol-chloroform extraction to remove phage coat proteins, and ethanolprecipitation to concentrate the DNA. 6 This method is time-consuming,e...Counting Colonies or Plaques Directly from Images of Agar Plates
...sed to document and analyze data from a variety of laboratory experiments. Thesystems software contains many tools that aid in acquiring and processingimages. 1,2 Calculations of molecular weight, integrated density andconcentration can be made from images of stained nucleic acid or protein gels, 3 chemilumine...New Temperature Cycler Features Interchangeable Blocks
...temperature cycler can meet the needs of an entire laboratory Michelle Cayouette Jane Moores Jason Capodanno Michael Steege Michael Rahilly Stratagene Stratagene is introducing the RoboCycler Infinitytemperature cycler, # a new temperature cycler withinterchangeable blocks for PCR. Block sets can be...Fast and Easy Isolation of PCR-Ready Genomic DNA from Whole Blood
...lso shown to be successful in a clinical reference laboratory setting. Genomic DNA isolated from w... The DNA Stat kit was used in a reference laboratory setting (Cenetron, Inc.) to isolate genomic DNA from patient whole blood samples. The ...Comparing Fidelity and Performance of Proofreading PCR Enzymes
... DNA replication hasgreatly simplified a number of laboratory procedures, including cloning,directed mutagenesis, and mutation detection. The enzyme best suited forhigh-fidelity PCR applications is Stratagenes Pfu DNA polymerase, themost accurate thermostable DNA polymerase described to date. 1-3 PCRreaction c...New Protocols for Isolating High- Molecular-Weight Genomic DNA
...ambrook, J., et al. (1987) Molecular Cloning: A laboratory Manual,Second edition. Cold Spring Harbor Press. New York. p. 9.17. Rogers, B.J., (1998) Environ. Mol. Mutagen. 31 (Suppl. 29): 12. * U.S. Patent Nos. 5,347,075 and 5,824,287 and 5,589,155;European Patent No. 0289121;Japanese Patent N...A New PCR-based Mycoplasma Detection Method
...re able to match the restriction patterns with the laboratory samples to those for known mycoplasmas ( Table 1 ). Altogether, the scoring for both infection and species completely concurred with the results obtained using UCSFs established testing procedure. T...Restriction Endonucleases Undergo Rigorous QC Testing to Ensure Optimal Performance
...tions are designed to be morerigorous than typical laboratory applications. In this article, we describe theassays used to establish the functional purity of restriction endonucleasepreparations. Unit Activity Determination Prior to assaying samples for contaminants, the unit activity of each enzymesample is ...Fractionating DNA Fragments Generated by Differential Display PCR
...sequenceof the differentially expressed genes. Our laboratory used the CastAway systemfor performing DDPCR analysis of leukocytes from allergic and nonallergic blooddonors. REFERENCES Lorenz, J. (1996) Eur. Respir. Rev. 6: 218-223. Liang, P., and Pardee, A. (1992) Science 257: 967-970. ...Keys to Successful Densitometry
...nt and analyze data from a wide variety of laboratory experiments. The newest version of the systems software, Eagle Sight software version 3.0, contains many features that aid image acquisition and processing.1,2 This version of Eagle Sight software can be used for determining m...Versatile Transfection Reagent Offers Low Toxicity and Consistent Performance
...fter the contaminated cells were destroyed and the laboratory was rigorously disinfected, a new source of HeLa cells was used for another series of optimization studies. These cells showed the expected, standard optimization profile and showed no contamination, as detected by the Mycopla...Mx4000 Multiplex Quantitative PCR System*,PPP
...duces the possibility ofintroducing variability or laboratory contamination. Exceptional reliability and reproducibility Real-time plots while your PCR progresses Superior dye discrimination Better temperature uniformity Economical price Flexible System with More Features The Mx4000 sys...A membrane-lid tube for bacteria cultivation and freeze-drying
...n, sterile conditions are rarely achieved in laboratory freezedrying units, and are not necessary when Lid Bac is used. Summary Lid Bac is a quick and easy way to eliminate several work steps, reduce the quantities ofmedia required, save space in the lab, andsimp...Sample Preparation for Microinjection
...CSH Laboratory Press [4] Antibodies: A laboratory manual (1988). Harlow, E. and Lane, D. ...ok, Fritsch, Maniatis (1989). Molecular Cloning: A laboratory manual. CSH Laboratory Press.......gle microbial cells from mixed natural and laboratory populations with the aid of a micromanipulator. System. Appl. Microbiol. 22, 249-257....Chemical Stability of Disposables
... of stress and strain encountered in everyday laboratory work (such as centrifuging and autoclaving)....hese materials are specifically suited for laboratory applications and manufacturing processes of micro test tubes, Eppendorf Combitips, and pipet...Ergonomics and Liquid Handling How can BrinkmannTM Help ?
... As a laboratory technician, pipetting is a routine laboratory technique that is performed everyday, for a good portion of the day. Pipetting work dema...Decontamination and inhibition of ribonucleases
... biology reagents and following a few common sense laboratory procedures: Always wear gloves when working with RNA. Maintain a separate area for RNA work that has an own set of pipettes, pipette tips, Eppendorf tubes, buffers, and reagents. This is especially ...Amplification of the amoA Gene of Nitrosococcus oceani Bacteria Using Eppendorf MasterTaq
...stem to use when attempting to study known laboratory cultures of ammonia-oxidizing bacteria. Figure 1: The use of MasterTaq for amplification of the amoA gene in two ammonia-oxidizing bacterial cultures Lane 1 - Molecular weight marker V...The QIAGEN Guide to Animal Cell Culture
...ing cell cultures Adherence to good laboratory practice when working with cell cultures is ... Aseptic technique and the proper use of laboratory equipment are essential when working with cell cultures. Always use sterile equipment and reag...... In case of contamination, laboratory benches, apparatus, and pipets can be decontaminated by cleaning them with a 1/10 dilution of a commercial bleach solution.* Afterwards, the benches and pipets should be rinsed with distilled water. ...Effectene Transfection Reagent provides efficient gene delivery to primary neuronal cell cultures
...ause it can be applied under a wide range of laboratory conditions. We developed a transfection procedure using Effectene Reagent and found it highly suited for easy and efficient transfection of differentiated neurons in primary cultures from rat superior colliculus. Effectene Reagent s...Effectene Transfection Reagent
...atis, T., eds. (1989) Molecular cloning a laboratory manual, 2nd Ed. Cold Spring Harbor Laboratory Press, Cold Spring Harbor....QIAGEN Instrument Service - insist on the best in service and support
...rance and peace-of-mind for scientists using laboratory instrumentation. As an innovator in laboratory instrumentation and molecular biology technologies we understand your systems and the applicat...Transfection Reagent Selector Kit Handbook
...is, T., eds. (1989) Molecular cloning a laboratory manual, 2nd Ed. Cold Spring Harbor Laboratory Press. Product Use Limitations SuperFect Transfection Reagent and Effectene Transfection Reagent are developed, designed, and sold for research p...In-Vitro Metabolism Studies Using Data-Dependent LC/MSn
... A review of Glyburide metabolism in man and laboratory animals, Micronase: Pharmacological and Clinical Evaluation, Ed. H. Rifkin et. al., Excerpta Medica Foundation International Congress Series No. 382, Princeton, NJ. (1975) 31-41W. 3. Clarke, SE, Ayrton, AD and Chenery, RJ., X......component must be of a high purity. Standard laboratory water is often contaminated with DNA, RNA or nucleases. These contaminants often contribute to suboptimal amplification reactions. This PCR-grade water is specially purified, deionized, double-distilled, and autoclaved. The unique p......fication products Setting up the laboratory to avoid contamination PCR reaction components Thermal Cycling Profile for Standard PCR Properties of PCR Enzymes Choice of RT-PCR Enzymes Choice of reverse transcription primers ...Rapid PCR* Using Active Tube Temperature Control On Thermo's PCR Machines
...able to reduce theseexperimental times to speed up laboratory workflow.The use of Active Tube Temperature Control providesaccurate monitoring and adjustment of in-samplereaction conditions, significantly reducing reactiondwell times and, therefore, experimental times withoutaffecting PCR product yield. Thermo t...... Reduce the number of different enzymes in your laboratory enzyme stock....Agilent 2100 Bioanalyzer Automated Analysis System
...iontechnology, the developmentof a fully automated laboratory on a chipis now a reality. Designed to integratesample preparation, fluid handling andbiochemical analysis, "lab-on-a-chip"is revolutionizing life science research. Lab-on-a-chip technology usessemiconductor-like micro-fabricationtechniques to...Advancing the quality control methodology to assess isolated total RNA and generated fragmented cRNA
...ay be due to usererror. Common mistakes seen inthe laboratory are: accidentallypiercing the gel while loading, notloading enough of sample into thewell, improperly securing the gelto the gel rig, not running the gelon the appropriate voltage/time ornot staining the gel properly.These errors are reflected in the...... From Bacteriophage Twort. Today's laboratory demands often require products and services that f...ient Crystallography Dr. Barbara Golden's laboratory (Purdue University) used Ambion's 5X MEGAscript High Yield Transcription Kit to transcribe...Ambion Offers Gene Expression Profiling Service
...Services offers much more than what a typical core laboratory can. It is a complete service microarray information group, which aims to maximize the quantity and quality of information that can be obtained from a microarray experiment. The Array Services' staff of experienced bio...Combat RNase Contamination in the Lab
...nce RNases are ubiquitous in the laboratory environment--on your skin, in the air, on anything touched by bare hands or on anything left open to the air--it is important to make an effort to prevent or eliminate RNase contamination. However...High Throughput siRNA Delivery In Vitro: From Cell Lines to Primary Cells
...delivering siRNAs using standard laboratory equipment. Chemical transfection and electroporation are routinely used to deliver siRNAs into cultured cells. Of these two methods, chemical transfection is most effective for ...Superior Gene Silencing Using Adenoviral Vectors
... contain a G to C mutation. Dr. Davidson's laboratory constructed plasmids fusing GFP to normal (Atx-Q28-GFP) or mutant polyglutamine (polyQ) alleles (Atx-Q166-GFP) containing a CAG expansion in Ataxin-3 (2). Adenoviral vectors that expressed hairpin siRNAs targeting either the w...Ultra-Fast Purification of Small Nucleic Acids
... permitting use with most common laboratory power supplies. The flashPAGE Unit to Unit Power Cable makes efficient use of gel power supplies by allowing up to four instruments to run in parallel from one power supply connection. ...RNArticles: RNA Amplification Used to Develop a New In Vitro HCMV Assay
...ral fellow in Dr. Thomas Shenk's laboratory at Princeton University. back to top Ordering Information Cat# Product Name Size &#...QuickLane 24 - 48 Hour Sequencing
... to our customers using our industry leading laboratory information management system (LIMS). This system provides a complete audit trail for each sample that includes, but is not limited to, tracking of reagent lots and equipment utilized. In addition, samples are prepared using c...Acrylamide Polymerization A Practical Approach
...als, the Polymerization Protocols can be used as a laboratory guide. Mechanism of Polymerizatio...tc.), gel additives (SDS, urea, etc.), and laboratory water can have a profound effect on polymerization. The most common contaminants of these re...Separation Reproducibility With the BioLogic Chromatography Systems
...consistent sample purity and for automating laboratory chromatography processes. Whether your separation requirements are analytical or preparative, the BioLogic DuoFlow and BioLogic LP chromatography systems provide high-performance, reliable results. back to top...... domain for the sequence under study. For clinical laboratory use additional criteria include: uniform PCR conditions, amplification of exonic regions inclusive of exon/intron boundaries and a minimum of different DGGE conditions. The exon 4 model used in this study is an exceptio...... (chinook and coho salmon). A single person in our laboratory now analyses 160 salmon per day with DGGE using two DCode systems. Methods and Results Single locus Mhc class I A1 primers were used to amplify fragments of 301307 bp (including primers) (Miller et al.......uction One of the research goals of this laboratory is to elucidate the pre- and posttranslati... in higher plant metabolism. Research in this laboratory has shown that Chlorella sorokiniana possesses seven ammonium inducible, chloroplastic, ...Qualitative and Quantitative Assessment of Plasmid DNA Isolation, Rev A
...uality of plasmids isolated from 14 common laboratory E. coli strains with the new Aurum miniprep and midiprep kits. We tested both endA - and endA + bacterial strains because both the quality and quantity of plasmid DNA isolated from endA + strains can be poor. The yields fro...Quantitation of DNA for Automated Sequencing Using the VersaFluor Fluorometer
...increasingly more common in small research laboratory settings. However, the success of automated long read sequencing reactions require precise picomolar concentrations of DNA. We have successfully employed the VersaFluor fluorometer (Bio-Rad) to accurately and routinely quantif...Whole Gel Eluter Purification of a Functional Multiprotein DNA Replication Complex, Rev A
...synthesome from native gels, has saved the laboratory time which we have used more effectively t...tive PAGE using the Whole Gel Eluter, this laboratory feels that the apparatus has greatly facilitated the isolation of a highly purified form of ...Inoculation of Viral RNA and cDNA to Potato and Tobacco Plants Using the Helios Gene Gun
... successfully for many more recent studies in our laboratory (Hamalainen et al. in press, Rajamaki and Valkonen 1999). References Armaleo, D., et al., Biolistic nuclear transformation of Saccharomyces cerevisiae and other fungi, Curr. Genet., 17 , 97103 (1990...Real-Time PCR: General Considerations, Rev A
... fall into 3 categories. These are general laboratory practices, template and primer design, and reaction components and conditions. When determining which conditions to optimize, the ultimate assay goal (i.e., qualitative analysis vs. quantitation) must be considered. To ......of samples, reducing the risk of contaminating the laboratory and analytical samples with PCR products. In real-time PCR, a fluorescent reporter molecule is used to track the progress of the PCR reaction. The fluorescence of a reaction increases as the amount of amplified DNA incr...... made it an appealing membrane for general laboratory techniques. The two main applications for PVDF are N-terminal sequencing and immunoblotting, both of which benefit from the qualities of PVDF but rely on different features of the membrane. While sequencing work is concerned wi...Electrophoretic Karyotypes of Wine Strains of Saccharomyces cerevisiae
...isiae were compared to those of a standard laboratory karyotype. Qualitative analysis supported ...d), and 2794 (triploid) are wildtype heterothallic laboratory strains. Pulsed-Field Gel Electrophoresis The electrophoretic apparatus (CH......ndent. A study is currently underway in our laboratory using twodimensional polyacrylamide gel electrophoresis (2-D PAGE) to identify antigens and virulence factors of this bacterium that may be targeted for the development of an efficacious vaccine for the aquaculture industry. 2...Transformation of Nematodes With the Helios Gene Gun
... isolated from the pleural cavity of their laboratory host Mastomys coucha (Wegerhof and Zahner, 1985), and stored in RPMI medium (supplemented with 10% FCS, Gibco-BRL; 1% Penicillin and Streptomycin). Single parasites are transferred to an agar plate and used for microprojectile...Electroporation of Primary Bone Marrow Cells
... would also make gene therapy a viable option. Our laboratory has been trying to maximize genetic transf...eported here are now used routinely in our laboratory in our studies of the regulation of class II gene expression and the immune response. ......cordance with product safety data sheets and local laboratory safety guidelines. <P>§ Cytochalasin ...cordance with product safety data sheets and local laboratory safety guidelines. <P> Methods Assay protocol 1. Seed CHO-K1 cel......rogen, Cat. #12223-012) The following laboratory equipment is required to complete the protocol: ◊ Disposable gloves ◊ Dry ice ◊ Cryostat ◊ ABI Prism 7700 Sequence Detection System (Applied Biosystems) ◊ RNas...Laser Capture Microdissection of muscle fiber populations and expression analysis by RT-PCR
... or similar lint-free towels The following laboratory equipment is required to microdissect muscle fiber...0 cooled mono 12-bit digital camera The following laboratory equipment is required for RNA isolation and analysis by RT-PCR: ◊ Incubation oven ...Self-Drying Vacuum Pumps... the solution for applications producing condensation
...Neuberger opens the door to new opportunities for laboratory users. Evaporative processes which develop large amounts of condensate finish faster and more effective with the PowerDry system. A welcome result is a reduction in noise, since pumps burdened with unwanted fluids exhibit increased diaphragm and v...Other ContentsanaphylaxisanaphylaxisanaphylaxisanastomosisanastomosisandrogenandrogenandrogenandrogenandrogenanesthesiaanesthesiaanesthesiaanesthesiaanesthesiaanesthesiaanemiasanencephalyanencephalyanesthesiologyOther TagsMutatedAurobindoUNAIDSAustraliaAustraliaDifficultMixedMixedPartnershipPartnershipDiagnosisDiagnosis
(Date:7/2/2009)...EER-SHEVA, ISRAEL, July 2, 2009 Researchers at Be...ered that gene mutations that once helped humans s...including cancer., The findings were recently the...he team of researchers from BGU,s National Institu...o look for mutations in the genome of the mitochon...
(Date:7/2/2009)... Bremerhaven, July 2nd 2009. A new measurement sy...irst time on board of the research vessel Polarste...ne hand, they spend the greater part of their life... of their body can be seen when they surface, and ...rounding water. Visual sightings by marine mammal ...
(Date:7/2/2009)..., VIRGINIA KEY, Fla. As the nation celebrates its...) Professor Diego Lirman and fellow Caribbean cora...ell. The National Oceanic and Atmospheric Adminis...servancy and its partners, staghorn and elkhorn co...n Biscayne National Park, will receive support fro...
(Date:7/1/2009)...The University of Manchester and the European Mole... Institute (EMBL-EBI) have launched a major new e-...erate research into treatments for H1N1 flu and ca...ry of curated life science Web Services, is being ...e 17th Annual International Conference on Intellig...
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Breaking Medicine News(10 mins):Health News:Narconon Graduate Successfully Recovers From Prescription Drug Abuse 2Health News:Put Safety First on the 4th 2Health News:Excellence in Workplace Safety Recognized as 2009 Saxcies Award Winners Named 2Health News:Excellence in Workplace Safety Recognized as 2009 Saxcies Award Winners Named 3Health News:Excellence in Workplace Safety Recognized as 2009 Saxcies Award Winners Named 4Health News:Health Care Reform Details Emerge with 'Play or Pay' Requirements, Leaving Some Wondering about Small Business Owner Insurance 2Health News:Health Care Reform Details Emerge with 'Play or Pay' Requirements, Leaving Some Wondering about Small Business Owner Insurance 3[0] Narconon Graduate Successfully Recovers From Prescription Drug Abuse[0] Put Safety First on the 4th[0] Excellence in Workplace Safety Recognized as 2009 Saxcies Award Winners Named[0] Health Care Reform Details Emerge with 'Play or Pay' Requirements, Leaving Some Wondering about Small Business Owner Insurance
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