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We narrowed to 74 results for: tes/1000

Showing: 41 - 60 of 74 results

  1. General Transfection

    Type
    Protocol
    ...channel pipette 20–200 µL single channel pipette 200–1000 µL single channel pipette Ice bucket CO 2 incubator...solution through a 0.22 µm membrane. Aliquot 500–1000 µL into sterile tubes. Store the tubes at -80 °C...lots of FBS can promote or inhibit transfection. Test a variety of brands and lots of FBS to find one ... plate in DMEM complete in 10 cm tissue culture plates. Incubate the cells at 37 °C, 5% CO 2 for ~20 h...the table below for a possible range of ratios to test: Ratio of DNA:PEI Amount of DNA (μg) Volume of 1...

  2. Transfection for Recombinant Antibodies

    Type
    Protocol
    ...filter, VWR 431229 0.22 µm PES filtering system, 1000 mL, VWR 431098 0.45 µm PES filtering system, 500... aliquots and store at -20 °C until use. BCD TFX 1000 mL BalanCD HEK293 Media 10 mL 10% Poloxamer 188 ...Biosafety Cabinet 4 °C Refrigerator Micropipettes and tips Pipettor and pipettes Benchtop centrifuge compatible...of our protocols supports reproducibility and accelerates science. Here, we list the specific equipment...Reagent Preparation instructions. Wipe down all pipettes and equipment with 10% bleach prior to use. Reagent...suggest preparing fresh solutions after one month. 1000X protease inhibitor cocktail 25 mg Leupeptin 50 mg...

  3. Viral Vectors 101: Systemic Capsids

    Type
    Blog Post
    ...and astrocytes Mice No (LY6C1)   Hanlon et al., 2019 AAV-BI-28 CNS: neurons, astrocytes, oligodendrocytes.... It can also effectively transduce astrocytes or oligodendrocytes when paired with appropriate cell type-specific...28 has been tested in C57BL/6J mice and effectively transduces NeuN+ neurons and astrocytes (Huang et al...et al., 2023). Among the capsids tested, AAV9-X1.1 showed the greatest fold change in RNA and DNA levels...Research in Neurobiology, 4, 100086. https://doi.org/10.1016/j.crneur.2023.100086. Challis, R. C., Ravindra... others have done, you’ll need to experimentally test your chosen capsid before using it in an application...elements [promoters and enhancers, miRNA target sites, and recombination target sequences, denoted by ...

  4. Coomassie Purity Stain of Recombinant Antibodies

    Type
    Protocol
    ...tips, 1000 µL, VWR 76322-154 Pipettes, 5 mL, VWR 89130-896 Pipettes, 10 mL, VWR 89130-898 Pipettes, 25 ...channel pipette 20–200 µL single channel pipette 200–1000 µL single channel pipette Pipette controller Microcentrifuge...of our protocols supports reproducibility and accelerates science. Here, we list the specific equipment...25 mL, VWR 89130-900 Pipettes, 50 mL, VWR 89130-902 Gel loading tips, Corning 4853 Microcentrifuge tubes...mobility of the bands (sample AR0016 in Figure 1) indicates that the samples may not have been processed correctly...

  5. Western Blot

    Type
    Protocol
    ... pipette 200–1000 µL single channel pipette Pipette controller Pipette tips and pipettes Spectrophotometer...your cell pellet but will generally be between 250–1000 µL . The ideal lysis buffer will vary depending ...of our protocols supports reproducibility and accelerates science. Here, we list the specific equipment...January 24, 2022 Workflow Timeline Day 1: Prepare lysates, run SDS-PAGE, transfer, block, incubate with primary...

  6. Using CRISPR/Cas9 to Edit Disease Out of the Genome

    Type
    Blog Post
    ...diseases, and several treatments are currently being tested in clinical trials. It is speeding the process ...cataracts could be rescued by coinjection into zygotes of Cas9 mRNA and a single-guide RNA targeting the...CFTR) by homologous recombination in cultured intestinal stem cells of patients with cystic fibrosis (...also really need to get a handle on how cleavage sites are repaired.” Those insights will be critical for...& Parkinsonism. https://doi.org/10.4172/2161-0460.1000439 6. Wu et al. 2020. . “Advances in CRISPR/Cas-based... "Functional Repair of CFTR by CRISPR/Cas9 in Intestinal Stem Cell Organoids of Cystic Fibrosis Patients...

  7. Antibody Validation Using the Indirect ELISA Method

    Type
    Protocol
    ...channel pipette 20–200 µL single channel pipette 200–1000 µL single channel pipette 20–200 µL multichannel...Microcentrifuge tubes, Neptune 3745.X Pipette tips, 1000 µL, VWR 76322-154 Pipette tips, 10 µL, VWR 76322...of our protocols supports reproducibility and accelerates science. Here, we list the specific equipment...instead of room temperature or 37 °C. The protocol notes when there are different incubation options available...empirically determined. If possible, run an initial test with serially diluted primary antibody and determine...Equipment Spectrophotometer compatible with 96-well plates 1–10 µL single channel pipette 2–20 µL single channel...VWR 76322-150 Pipette tips, 20 µL, VWR 76322-134 Pipettes, 10 mL, VWR 89130-898 1 L polystyrene bottle, ...

  8. The Future of Research Symposium Boston 2015

    Type
    Blog Post
    ...STEM graduates and postdocs in academia, industry and other areas of employment? How many graduates and...related to the structure of the biomedical workforce. Quotes taken directly from participants (summarized in...per PI” “Lack of awareness about how the system operates and functions” “Complete lack of information on...of academic research (4). There are currently 17 sites around the USA undertaking BEST programs, including...regulatory, or clinical environment. It remains contested, however, whether a better solution would be to...grassroots organisations that represent postdocs and institutes that employ them, the diversity of trainee backgrounds... and the many different paths that biomedical graduates take in their future careers. To participate in...

  9. Uncertainty about Labor Law Brings More Uncertainty to Postdoc Wages

    Type
    Blog Post
    ...a new legal minimum of $47,476 per year, under updates to the Fair Labor Standards Act (FLSA). This was...blogpost and more recently in a paper published in F1000Research on November 2016. Due to the nature of the postdoc...22nd a preliminary injunction against the FLSA updates was granted nationwide. Again, we at Future of ...getting paid, which we will be analyzing for future updates. But suffice it to say, salaries are showing surprisingly...

  10. Plasmids 101: Gateway Cloning

    Type
    Blog Post
    ...attB sites, the phage integrates into the bacterial genome flanked by two new recombination sites (attL-left...reactions. Recombination of attP and attB sites creates attL and attR sites.   Gateway vectors contain modified...takes place between the attB sites flanking the insert and the attP sites of the donor vector. This reaction...enzyme mix and generates the entry clone containing the DNA of interest flanked by attL sites. As a byproduct...reactions. The BP reaction creates an attL-flanked entry clone. The LR reaction creates an expression clone ... place between the attL sites of the generated entry clone and the attR sites of the destination vector...attB, P, L and R sites that recombine very specifically and directionally: attB1 sites react only with ...

  11. Four Ways to Package Transgenes That Exceed the Size Limit of Adeno-associated Virus

    Type
    Blog Post
    ...al., 2002 used an overlapping vector with 440 or 1000bp overlaps to deliver the alkaline phosphatase gene...different splice site donor and acceptor sequences were tested and with the optimal sequences, the group achieved...homologous recombination approach delivers large donor templates using two sequential homology directed repairs...2017) CRISPR-Mediated Integration of Large Gene Cassettes Using AAV Donor Vectors. Cell Reports 20:750–756...PA (2002) An mRNA Surveillance Mechanism That Eliminates Transcripts Lacking Termination Codons. Science...

  12. AAV ddPCR Titration

    Type
    Protocol
    ...channel pipette 20–200 µL single channel pipette 200–1000 µL single channel pipette 1–10 µL multichannel pipette...calculate the titer for each sample: $$T = {R*C*D*1000\over V}$$ Where: T = Titer, GC/mL R = Reaction volume...primers, and probe on ice before use. Wipe down all pipettes and surfaces with 10% bleach. Safety Warnings ...PCR tubes, Axygen, PCR-02-FCP-C ddPCR 96-well PCR plates, Bio-Rad, 12001925 48-well dilution plate, Bio-... 1X PCR buffer (1:25,600,000) Use multichannel pipettes for the dilution series. For dilutions 1–5, use...reduce NTC values, we recommend wiping down all pipettes and equipment with 10% bleach prior to use and...

  13. Proximity Labeling: A Powerful Tool for Protein Complex Purification and Proteomic Mapping

    Type
    Blog Post
    ...is its speed, labeling neighboring proteins in minutes rather than hours like BioID. APEX has allowed ...and miniTurbo both enable biotin labeling in 10 minutes without any issues in toxicity. TurboID’s signal...give these methods a try.  References:  Branon, Tess C., et al. "Efficient proximity labeling in living...proximity-based labeling methods for interactome mapping. F1000Research, 8.  ...

  14. Scientific Reproducibility - Focusing on Solutions at the Minisymposium on Reproducibility

    Type
    Blog Post
    ...research tools. BenchSci collates information about antibodies while FPbase curates information about fluorescent...sometimes formulating new biological concepts. However, rates of reproducibility for preclinical studies, as reported...Project: Cancer Biology have produced similarly low rates of reproducibility. Failed attempts to apply irreproducible... to future work cost both time and money with estimates reaching in the billions of dollars (Freedman ...making it easier to retain searchable, thorough notes on how lab procedures were actually performed, potentially... The publication record will then show that the tested hypothesis is correct (a great success story) even.... Finally there are new publishing outlets like F1000, PeerJ, PLoS, and bioRxiv that make it easier to...

  15. Plasmids 101: Dimers and Multimers

    Type
    Blog Post
    ...expected fragments for that plasmid. This phenomenon indicates the presence of a multimer.   Fig. 1:... be used to detect multimers, since restriction sites in multimers usually repeat in tandem along with... of the plasmid monomer (see this article from BiteSize Bio for more information on how different plasmid...Electrophoresis. 2010 Jul;31(14):2436-41. doi: 10.1002/elps.201000061. PMID: 20589859. Levene SD. Analysis of DNA topoisomers...

  16. Fluorescent Proteins 101: Monitoring Cell Mobility Using Fluorescent Proteins

    Type
    Blog Post
    ...several labs were able to decipher the journey of lymphocytes from the bone marrow to the thymus where they... tagged with a fluorescent protein or dye. It separates the cells mechanically in a vibrating nozzle, ...How do T cells and/or Neutrophils travel to the sites of infection or damage (Peters et al. 2008, Chtanova.... 2008, Kamenyeva et al. 2015)? How do blood monocytes patrol blood vessels during immune responses (...Salomonnson et al. 2012). Finally, it is worthwhile to test the photostability of your fluorescent protein when...flank fluorescent proteins in a plasmid with loxP sites such that their expression is turned on or off in...with Toxoplasma gondii." PLoS Pathog 5.7 (2009): e1000505. PubMed PMID: 19578440. PubMed Central PMCID: ...

  17. Adenovirus Plasmids

    Type
    Collection
    ...plasmid, are recombined into a DNA molecule that incorporates sequences from both plasmids. This DNA molecule...for the AdenoBuilder genome assembly system; consolidates the regions present in pAd5-B6 ∆E3-GFP and pAd5... Vogelstein 16407 pAdEasy 2-GFP beta-gal Shuttle Test plasmid that contains β-gal and GFP; contains ∼10Kb...in a one-tube reaction. ID Kit Description PI 1000000176 AdenoBuilder toolkit Plasmids contain modular...

  18. CRISPR Guide

    Type
    Collection
    ...Gene and Genome Editing , 3–4 , 100013. DOI: 10.1016/j.ggedit.2022.100013 Zetsche, B., Gootenberg, J. S....interesting adaptive immune response that detects and eliminates foreign DNA, which scientists have modified for... used for small precision edits. NHEJ directly ligates the break ends without the need for a homologous...large genomic deletions or inversions with two gRNA sites on the same chromosome. Most multiplex systems enable...most gRNA targeting sequences will have additional sites of partial homology throughout the genome, called...Directed Repair (HDR) Figure 4: Overview of HDR HDR generates specific genomic edits by copying from a DNA donor...mutation, while whole plasmid or linear dsDNA templates work better for large edits or insertions. When...

  19. TALEN Plasmids and Kits

    Type
    Collection
    ...both the N and C terminus and induces mutation at rates much higher than the parental vectors. pC-GoldyTALEN...Sangamo)-FokI-ELD-Destination Golden Gate TALEN 2.0 1000000030 Yamamoto Lab TALEN Construction and Evaluation... Features include (i) Esp3I (BsmBI) restriction sites for full compatibility with the Golden Gate TALEN... 21179091), as well as (v) distinct selection cassettes on pTAL7a and pTAL7b for enrichment of double-...

  20. Protocol - Bacterial Transformation

    Type
    Protocol
    ...when using highly competent cells. If you used 100-1000 ng of total DNA in a ligation you will often get... on ice (approximately 20-30 mins). Remove agar plates (containing the appropriate antibiotic ) from storage...that there isn't too much liquid media on the agar plates. If the agar plate doesn't dry adequately before...the liquid and won't grow in colonies. Incubate plates at 37°C overnight. Tips and FAQ How can I save ...access to an electroporator and the appropriate cuvettes. Follow the manufacturer's instructions for each...
Showing: 41 - 60 of 74 results