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Highest Transfection Efficiency of an Endotoxin-Sensitive Mammalian Cell Line

midiprep kit Stratagene EF plasmid midiprep kit, a kit based on anion exchange chromatography, magneticbeads, and cesium ch...

Highest Possible Transformation Efficiencies for High-Throughput Applications

Convenient, time-saving 96Pack Gold competent cells streamline transformation procedures Julie Bonnardel Ronda Allen Bruce Jerpseth Sean Banks...

Efficiently Insert Unique Restriction Sites into Plasmid Vectors

Stratagene A 28-base insertion was introduced into a plasmid vector using theQuikChange site-directed mutagenesis kit.* Theinsertion created three unique restriction enzyme digestion sites. Plasmid DNAisolated from 9 o...

Reliable Assessment of Micronuclei for Genotoxicity Testing in Mice or Rats

Reliable Assessment of Micronuclei for Genotoxicity Testing in Mice orRats Precise and cost-effective micronucleus analysis made easy with theicroFlow Micronucleus Analysis Kit Litron Laboratories, Rochester, NY Mark J. Dycaico<br...

High-Efficiency Site-Directed Mutagenesis of Large Plasmid Vectors

QuikChange XL: a highly versatile kit for site-directed mutagenesis oflarge plasmids Michael Borns Peter Vaillancourt Holly Hogrefe Jeff Braman Stratagene The QuikChange site-directed mutagenesis kit* characteristicallygenerates mutagenesis efficiencies exceeding 80%. We have created a new kit formutagenesis of large plasmid...

Greater Amplification Specificity with New Hot Start PCR Enzyme

Taq DNA polymerase makes hot start simple and efficient Jonathan Eads Frances Bai Ronda Allen Holly Hogrefe <p align="...

Efficient Cleavage of Fusion Proteins to Yield Native Amino Termini

Recombinant Enterokinase for highly specific digestion of purifiedproteins or proteins in crude extracts Ed Marsh * Johanna Claycomb * ChaoFeng Zheng * Denise Wyborski* John C. Bauer * Joseph A. Sorge * A.K. Bernardino * Peter Vaillancourt Stratagene Cloning Systems, Inc. Stratagene introduces recombinant Enterokinase, an efficient, sitesp...

Versatile Transfection Reagent Offers Low Toxicity and Consistent Performance

Stratagene transfection reagent offersimproved, consistent transfections for both adherent cells and cells growing insuspension. In this article, we summarize the results of several experimentsthat characterize the eff...

Mammalian Expression Vector for Efficient Cloning of PCR Fragments

Tanya Hosfield Kerstien Padgett Tim Sanchez QuinnLu Stratagene Cloning Systems, Inc. cloningstrategy by introducing a new vector for high-efficiency cloning of PCRfragme...

Low-Toxicity, Lipid-Mediated Transfection of Mammalian Cells

Stratagene Cloning Systems Clonetics Corporation, Walkersville, Maryland LipoTAXI transfection reagent is a novel liposome reagent that offerslow cellular toxicity and high transfection efficiencies for adhe...

Tissue Specificity for Mutation Parallels Tissue Specificity for Cancer

transgenicrodent mutation assay Centre for Environmental Health, University of Victoria, Victoria, BC Canada transgenic rodent mutationassay,* which carries the E. coli lacI transgene in a retrievabl...

High-efficiency Derivatives of the BL21 Series for Protein Expression

Melody Jerpseth Bruce Jerpseth Lisa Breister AlanGreener Stratagene Stratagene has created variants of BL21 competent cells, the new BL21-Goldseries. Epicurian Coli competent cells lack the EndA1 nuclease...

New Competent Cells for Highest Transformation Efficiencies

Stratagene Cloning Systems, Inc. Stratagenes new, high-efficiency competent E. coli cell linesignificantly improves the transformation efficiency of ligated DNA. EpicurianColi ultracompetent cells* yi...

Improve Amplification Specificity with Hot Start PCR Enzyme

Taq2000 features a modified version of Taq2000 with hot start capability. Using SureStart Taq, hot start is in- corporated into PCR protocols previously optimized with Taq DNA...

High-Efficiency Transfections Achieved with New Low-Toxicity Reagent

Nonliposomal formulation yields high efficiencies in a variety oftransfection conditions Stratagene Introducing foreign DNA into eukaryotic cells requires high-potencytransfections, which demand superior quality transfection reagents that areefficient, have low toxicity, and wor...

Efficient Transfection of Neurospora Crassa

Katherine A. Borkovich PhD, University of Texas-Houston Medical Center, Dept. of Microbiology and Molecular Genetics, Houston, Texas. Kimberly Vollmer, Brinkmann™ Instruments Inc., BioSystems Application Lab, Westbury, New York....

Eppendorf Electroporation Application Notes Your participation is highly welcome !!!

E-mail us your application notes for inclusion in this Eppendorf web page. Each contribution published will be acknowledged with a set of electroporation cuvettes. ...

Efficient Transfection of Neurospora Crassa

Katherine A. Borkovich PhD, University of Texas-Houston Medical Center, Dept. of Microbiology and Molecular Genetics, Houston, Texas. Kimberly Vollmer, Brinkmann™ Instruments Inc., BioSystems Application Lab, Westbury, New York....

Eppendorf Electroporation Application Notes Your participation is highly welcome !!!

E-mail us your application notes for inclusion in this Eppendorf web page. Each contribution published will be acknowledged with a set of electroporation cuvettes. ...

Efficient Recovery of Ultrapure Plasmid DNA

Nicole Passaretti, Vincent Prezioso, PhDBrinkmann Instruments, Inc., Westbury, NY Susanne WagnerEppendorfNethelerHinz GmbH, Hamburg, Germany Plasmids are naturally occurring, extrachromosomal DNA...

Efficient and Reliable PCR Setup Using Eppendorf MasterMix

Christian Rohrer, Eppendorf AG, Germany Lars-Erik Peters, Eppendorf 5Prime, USA The reliability of a PCR* experiment is dependent on its sensitivity, specificity and reproducibility. An essential prerequisite for a succ...

Enhancing PCR* Efficiency with MasterTaq

Experimental Immunopharmacology, Research Center Borstel, Parkallee 22, D-23845 Borstel, Germany. Tel.: +49 4537 188458 Fax: +49 4537 188404 email: jvdbosch@fz-borstel.de This application describes the use of a n...

Fully automated DNA purification and efficient multiplex PCR for analysis of microsatellite loci

Marion Schmidt, Holger Engel, Markus Sprenger-Hauels, Corinna Kppers, Gaby Schulte, Silke Zobel, and Dirk Lffert QIAGEN GmbH, Hilden, Germany Microsatellites highly polymorphic DNA markers comprised of nucleotides that are repeated in tandem arrays and distributed throughout the geno...

Effectene Transfection Reagent provides efficient gene delivery to primary neuronal cell cultures

Jochen Meier, Ivonne Strmel, Radu Iosub, Sonja Schmidt, and Rosemarie Grantyn Developmental Physiology, Johannes Mller Institute, Humboldt University Medical School (Charit), Berlin, Germany Efficient delivery of DNA to primary neuronal cell cultures is of critical importance...

Efficient DNA transfection of primary CNS neurons using TransMessenger Transfection Reagent

QIAGEN GmbH, Hilden, Germany Primary neurons are extremely difficult to transfect, making genetic modification of neuronal cells by delivery of either siRNA or plasmid DNA challenging ( ). Recently, Krichevsky and Kosik report...

Custom and library siRNA for efficient gene silencing

High-quality short interfering RNA (siRNA) from QIAGEN allows efficient gene silencing in eukaryotic cell culture by targeting complementary endogenous mRNA. This effect, termed RNA interference (RNAi), enables targeted gene silencing in functional genomics studies. Now, QIAGEN offers a custom siRNA oligonucleotide syn...

Custom and library siRNA for efficient gene silencing

High-quality short interfering RNA (siRNA) from QIAGEN allows efficient gene silencing in eukaryotic cell culture by targeting complementary endogenous mRNA. This effect, termed RNA interference (RNAi), enables targeted gene silencing in functional genomics studies. Now, QIAGEN offers a custom siRNA oligonucleotide syn...

Efficient RNAi-mediated gene silencing in neuronal cells using QIAGEN siRNA and TransMessenger Transfection Reagent*

Center for Neurologic Diseases, Brigham and Womens Hospital, Harvard Medical School, Boston, MA, USA Genetic manipulations using neuronal cells are notoriously difficult. Therefore, efficient delivery of short interfering RNA (siRNA)...

TKXtra DataFile: Homogenous tyrosine kinase detection using High Efficiency Fluorescence Polarization

Uses High Efficiency Fluorescence Polarization (HEFP) detection method Assays a broad range of tyrosine kinases Requires no separation or wash steps Available in a kit and in bulk packaging Screening for tyrosine kinase activity can be accelerated...

cAMP DataFile: Homogenous Cyclic AMP detection using High Efficiency Fluorescence Polarization

A Sensitive, Robust, Homogenous, and Rapid Assay Uses High Efficiency Fluorescence Polarization (HEFP) detection method Detects pmol amounts of cAMP Optimized for cell extract and enzyme preparations Requires no separation or wash steps Available in a kit and in bulk packaging ...

LIVE/DEAD Viability/Cytotoxicity Assay for Animal Cells Using the SpectraMax Gemini XS Fluorescence Microplate Reader (MaxLine Application Note #43)

Anne T. Ferguson, Ph.D. Molecular Devices Corporation This application note describes the use of the SPECTRAmax Viability/Cytoxicity Assay Kit for animal cells. This assay uses two fluorescent dyes, calcein AM (cal...

CPM Helps Physicians Group Retain Patients with New Kind of House Call

Middleton, WI Combining database and personalized print technology, a physicians group in the Midwest is making a new kind of house call to retain patients. Instead of waiting for patients to come to their offices for treatment, these physicians are sending personalized messages by mail with reminders for important check-ups and screenings -- and seeing response rates of 10 to 21 percent. <b...

Republicans criticize Doyles growth package

While Republican leaders in the State Assembly and Senate expressed support yesterday for Gov. Jim Doyles Grow Wisconsin program, Sen. Ted Kanavas -- a Brookfield Republican expressed support, but takes issue with the provisions for the state-funded venture capital authority. Kanavas reserved his stronges...

Quantification of siRNA Silencing Efficiency Using the LightCycler System

Since the first description of RNA interference (RNAi) asa protection mechanism against invasion of foreign genesappeared a few years ago, RNAi has become a powerfultool for analyzing gene function in mammalian cells. RNAiis mediated by short double-stranded RNAs that a...

Cloning Based on Efficient Three-Fragment Assembly DNA Ligation

The efficiency of the Rapid DNA Ligation Kit fromRoche Molecular Biochemicals was compared withstandard and optimized conventional ligation procedures.The reactions generated circular recombinantbacteriophage DN...

Efficient and Reliable Linear Amplification of cRNA

Gene Expression Profiling Using Microarray Kits from Roche Applied Science The use of gene-expression profiling, a genomic applicationmeasuring mRNA transcript levels of many genes inparallel, has been growing rapidly...

Monitoring transfection efficiency by green fluorescent protein (GFP) detection with the Agilent 2100 bioanalyzer

This Application Note describes how the Agilent 2100 bioanalyzer andthe Cell Fluorescence LabChip kit can be used to determine the efficiencyof transfection of mammalian cells using green fluorescent protein(GFP) as a reporter molecule. Transfection of CHO-K1 cells with...

A New Way to Assess siRNA Delivery Efficiency

Assess GAPDH siRNA delivery in less time for a fraction of the cost of real-time PCR Measure both GAPDH siRNA-induced knockdown AND transfection-induced toxicity Use with Silencer GAPDH siRNA Controls and Silencer CellReady Transfecti...

Efficient Delivery of siRNAs to Human Primary Cells: Electroporation vs. Chemical Transfection

(Research Associate II, Ambion, Inc.) Gene silencing using small interfering RNAs (siRNAs) has become a powerful method for studying gene function. Human primary cells are often desired for such experiments because they are mor...

Efficient Cellular Fractionation for RNA and Protein Isolation

Efficient Cellular Fractionation for RNA Ambion's Protein and RNA Isolation System, PARIS, uses a rapid and simple procedure to isolate both total RNA and native protein from the same experimental sample. Cultured cells and tis...
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(Date:7/24/2008)... Well inside the Arctic Circle, scientists have fo...as ever seen before. The cluster of five vents on...ing water as hot as 570 F., Dissolved sulfide mi...cold of the deep sea have, over the years, accumul...ost massive hydrothermal sulfide deposits ever fou...
(Date:7/24/2008)...ection due to a virus called cytomegalovirus (CMV)...sed immune systems, can also affect hospital inten...ems, University of Washington researchers have fou...ospital and intensive-care unit (ICU) stays indepe...lished July 23 in JAMA , the Journal of the Amer...
(Date:7/24/2008)...ine, Calif., July 24, 2008 Adult stem cells origi...only believed, and with proper stimulation they ca... disease or injury, a study by UC Irvine scientist...true stem cells in the mammalian brain are the epe... and spinal cord, rather than cells in the subvent...
(Date:7/24/2008)... YORK, July 24, 2008 In the life of a cell, the r...is fated to pause and repair itself, commit suicid...er. In a new study, published in the July 25th iss...nter have identified a way that cells respond to D...for disposal. The finding points to a new pathway ...
Breaking Biology News(10 mins):Scientists break record by finding northernmost hydrothermal vent field 2Scientists break record by finding northernmost hydrothermal vent field 3CMV infections affect more than just patients with compromised immune systems, researchers find 2Adult stem cells activated in mammalian brain 2Adult stem cells activated in mammalian brain 3A new cellular pathway linked to cancer is identified by NYU researchers 2Trust for Americas Health on New HHS Influenza Pandemic Draft Guidance 21100 1Trust for Americas Health on New HHS Influenza Pandemic Draft Guidance 21100 2NuVasive to Present at Goldman Sachs 29th Annual Global Healthcare Conference 21098 1NuVasive to Present at Goldman Sachs 29th Annual Global Healthcare Conference 21098 2NuVasive to Present at Goldman Sachs 29th Annual Global Healthcare Conference 21098 3MultiVu Video Feed 3A Study in the New England Journal of Medicine Shows High Blood Pressure Drug Tekturna 28R 29 Reduces Key Marker of Kidney Disease 21096 1MultiVu Video Feed 3A Study in the New England Journal of Medicine Shows High Blood Pressure Drug Tekturna 28R 29 Reduces Key Marker of Kidney Disease 21096 2MultiVu Video Feed 3A Study in the New England Journal of Medicine Shows High Blood Pressure Drug Tekturna 28R 29 Reduces Key Marker of Kidney Disease 21096 3Echocardiography Lab at Presbyterian Hospital of Dallas Achieves Prestigious Reaccreditation 21094 1Echocardiography Lab at Presbyterian Hospital of Dallas Achieves Prestigious Reaccreditation 21094 2
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Breaking Medicine News(10 mins):Health News:Elekta Family of Companies to Highlight Cancer Treatment Solutions at 2008 AAPM Annual Meeting 2Health News:Elekta Family of Companies to Highlight Cancer Treatment Solutions at 2008 AAPM Annual Meeting 3Health News:People With GERD More Likely to Develop Asthma 2Health News:Retina Group of New York To Present Seminar on Age-Related Macular Degeneration; The Leading Cause of Visual Loss in Seniors 2Health News:Retina Group of New York To Present Seminar on Age-Related Macular Degeneration; The Leading Cause of Visual Loss in Seniors 3Health News:Mt. Sinai's Children's Trauma Institute Treatment and Service Adaptation Center Receives Video Conferencing Donation From IVCi 2
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