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We narrowed to 871 results for: sta

Showing: 341 - 360 of 871 results

  1. Summer SciComm Series: Master of SciComm

    Type
    Blog Post
    Published
    July 21, 2022, 1:15 p.m.
    ...towards a career in science communication, an established field of inquiry with which I was not yet familiar...Herein, a good science communicator—with an understanding of how to appeal to a given audience and how... a scientific background and bring with them established interests and areas of expertise. Perhaps the...individuals respond to issues of unsettled science. Understanding just how the public utilizes insights gleaned... ours reflect a growing effort to address this obstacle in its many forms. A short stroll from my office...by the day, it has never been more crucial to understand just how we receive, process and respond to that...

  2. Hot Plasmids: FRET-Based Biosensors

    Type
    Blog Post
    Published
    May 6, 2014, 1:07 p.m.
    ... use since the 1980s. “Synthetic dyes were the standard in the field, but there is one problem: how to...biochemistry of living neurons in an effort to understand the connection between molecular- and cellular-level...elegans, and zebrafish – essentially all of the standard organisms for which extensive genetic tools are...presence of a ligand (they stick together in one state, but not the other). “It’s quite a robust way to.... “I hope by depositing at Addgene, people will start using them,” Merkx said. “For us, it is one of the...developed something useful [enough] that other people start using it. For us, it’s like a test.” References...

  3. Sequencing Options for CRISPR Genotyping

    Type
    Blog Post
    Published
    Oct. 4, 2016, 2:30 p.m.
    ...use grows across the life sciences and to establish standardized validation techniques for academia, industry...both Surveyor™ and Sanger may not be adequate standards for validating edits.  Mismatch cleavage assays...Tsiatis et al. 2010). As the field moves toward standardized thresholds for validating CRISPR experiments...breaks Prediction algorithms: A good place to start for biased validation At the moment, many software...sequences of the genome and sgRNA. This is a good starting point for most researchers as it provides a list...approval. It is key to maintain a consistent set of standards as the field seeks to generate reproducible, quality...

  4. The MTA at Addgene

    Type
    Blog Post
    Published
    July 23, 2024, 2:17 p.m.
    ...the community to understand and grow the scientific ecosystem, including understanding how shared materials...  An MTA is simply a contract or agreement that states the terms of use for a tangible research material...process, which eventually led to the creation of a standardized agreement on the transfer of biological materials...with many properties, having well-understood standardized terms makes it a lot easier for organizations...One-Time Plasmid Deposit and Distribution Agreement establishes the terms under which your material will be distributed...

  5. Multiplexed Overexpression of Regulatory Factors (MORF) collection

    Type
    Blog Post
    Published
    March 30, 2023, 1:15 p.m.
    ...suppression (and most everything in between), understanding how, when, and where TFs work is of broad interest... 3,500 human TF isoforms, to help researchers understand this regulatory network. The transcription atlas...fates. The atlas of directed differentiation To understand how each human TF can contribute to differentiation...endeavor, a map of possible TF-induced cellular states was generated (Joung et al., 2023). Fig....screening approach can not only lead to a better understanding of disease onset, but also better simulate a...is a valuable reference if you are looking to understand a pathway, or just looking for the best astrocyte...

  6. Learning Technical Skills at a Lab Central Workshop

    Type
    Blog Post
    Published
    Feb. 20, 2018, 2:30 p.m.
    ...of this workshop? What do I understand already? What don’t I understand? How does the information I’...prevents it from forming concatemers later. The "FS" stands for Fragmentation System and this is the most important...libraries from small amounts of DNA i.e 100 pg. At the start of the workshop, NEB gave a brief presentation describing...hoped, we found that regardless of how much DNA we started the process with, we got great amplification of...is extremely important for us as a company to constantly update our processes and get new ideas from learning...

  7. Quantifying DNA? Here are Five DNA Quantification Methods to Consider

    Type
    Blog Post
    Published
    July 21, 2020, 1:15 p.m.
    ...You’ve prepped your DNA and you’re ready to get started on the next step of your experiment. But in many...through a liquid to determine the concentration of substances in the liquid. Molecules absorb different wavelengths... methods, fluorescence-based methods require a standard curve, a set of samples with a known DNA quantity... a fluorometer to quantify DNA this way. First, start by pouring your gel containing a DNA intercalating...microarray studies and is not used as much for the standard plasmid prep. Diphenylamine method Another absorbance...made in the visible range and can be read with a standard ELISA reader if no other instruments are available...

  8. Virtual Science Conference Coming Up? Three Addgenies Share Their Experience

    Type
    Blog Post
    Published
    June 30, 2020, 1:15 p.m.
    ...says Bachle. (For presenters, there’s also less stage fright!)And depending on the conference, the audience... questions,” says Zhang. “Usually the moderator starts by asking the speaker the highly upvoted question... the app or virtual platform and making sure you stay connected. If possible, test out the technology ...conference begins.“There were some concerns of having a stable internet connection,” says Abitua about her workshop...chats between sessions or waiting for a session to start. “There was not much time to network,” Zhang says...discussing at tables and the event hasn't even started yet! @neurosymp will be interesting this year. ...

  9. Photosensitizer Induced Cell Ablation with FAP-TAP MG-2I-dL5**

    Type
    Blog Post
    Published
    Sept. 19, 2017, 1:20 p.m.
    ...cells treated with MG-2I dye and exposed to light stained dead within 30 minutes of exposure. 90 seconds ...killing of dL5** cells without death of neighboring bystander wild-type cells.   Zebrafish experiments with ... 2). Induced cell death was confirmed by TUNEL staining.  The video below shows what happens to the zebrafish...as Mg-2I-dL5**. Mg-2I-dL5** also had higher photostability than KillerRed, with KillerRed reaching greater...ablation while having limited collateral damage to bystander cells. Are you ready to use MG-2I-dL5** with your... D. M., Britanova, O. V., Yanushevich, Y. G., Staroverov, D. B., Chepurnykh, T. V., . . . Lukyanov, K....

  10. Summer SciComm Series: A PhD in Science Communication

    Type
    Blog Post
    Published
    Aug. 23, 2022, 1:15 p.m.
    ...fascinated by the human body and how it works. I used to stay up past my bedtime, poring over my grandparents’...science made me happy, but it wasn’t long before I started becoming disillusioned with the gulf between what... BSc in Anatomy, the University of Otago had established the Centre for Science communication and I was...in neighbouring disciplines might struggle to understand. Why should we trust something that we cannot...know and believe about the world. It is vital to understand what people know – or, at the very least, believe... the National Academy of Sciences of the United States of America, 114(36), 9587-9592. doi:10.1073/pnas...

  11. Addgene Welcomes John Doench to the Advisory Board

    Type
    Blog Post
    Published
    Aug. 13, 2015, 2:30 p.m.
    ...worked with many Addgenies to help improve the understanding, curation, and explanation of our CRISPR resources....” Doench’s graduate work helped expand our understanding of how miRNAs regulate their targets and what...screens to answer their own research questions. Starting at the Broad Institute For his post-doc, Doench... technology development alongside it.” Doench starting working with David Root in the then RNAi Platform...left him a bit skeptical of the technology at the start of the CRISPR craze, but he says, “In the case of...Involvement with Addgene Although Doench’s thorough understanding of CRISPR is what got him involved with Addgene...

  12. 22 Hot Plasmid Technologies from 2014

    Type
    Blog Post
    Published
    Jan. 6, 2015, 5:21 p.m.
    ... red channel fluorescence images of C2C12 cells stably expressing pTRE-Tight-MitoTimer and rtTA. The cells...shRNA. This system requires less work than using established methods and minimizes some of the technical issues...the CRUSH vector in transgenic mice, the lab established a dual-color RNAi “sensor” mouse strain in which... mapping and electron microscopy A thorough understanding of complex biological systems requires both ... found at Addgene, so what are you waiting for? Start building up your own designer bacteria. St-Pierre...number of libraries containing pre-constructed standardized modules. In the first assembly step, compatible...Nicola Patron have assembled two collections of standardized genetic modules compatible with the MoClo system...

  13. Plasmids 101: Sequence and Ligation Independent Cloning (SLIC)

    Type
    Blog Post
    Published
    Sept. 26, 2024, 1:15 p.m.
    ...recombination found in E. coli, SLIC is a cheap, standardized, and rapid multi-part DNA assembly method. Read...on to learn how to use it in your research! The starting point: Ligation-independent cloning Ligation-independent...nucleotide, T4 will switch to polymerizing and then stall due to the absence of the other dNTPs. Once the ...of DNA!) Figure 1: Schematic of SLIC. To start the SLIC cloning process, a gene of interest is ... SLIC can’t be used if the overhangs would have stable ssDNA secondary structure — for example, the stem-loop...enzymes required for Gibson assembly. SLIC is a standardized method for multi-fragment DNA assembly, and ...

  14. Antibodies 101: Flow Cytometry Controls

    Type
    Blog Post
    Published
    June 6, 2024, 1:50 p.m.
    ...your actual samples. They may also be used as a starting point for compensation (Fig. 1B-C). However, it... The single color controls should be used as a starting point, to preserve your sample, and you should... compensation (C) with APC-Cy7.   FMOs FMO stands for fluorescence minus one. It is used as a negative... samples, combine it into one well or tube, and stain it with every marker you are using in the experiment...and be in the same fluorophore (e.g., if you are staining for anti-mouse Ly6C in APC with the IgG2c subclass...a combined subset of your experimental samples, stain it with every marker you are using in the experiment...

  15. A Novice's Perspective on Neuroscience - SfN2017

    Type
    Blog Post
    Published
    Dec. 15, 2017, 2:07 p.m.
    ...don’t have a background in statistics and programming, you’d be wise to start working on these skills. ...techniques from across different disciplines to better understand neurobiology and human cognition. Developing ...interaction between neuroscience and other fields. For instance I met one researcher studying how the microbiome... apply your knowledge of metabolism to better understand how aberrations in brain biology lead to altered...always suggest a plasmid to us, request that we start making the AAV, or help us produce new educational...

  16. Hot Plasmids - February 2022

    Type
    Blog Post
    Published
    Feb. 22, 2022, 2:15 p.m.
    ...Cas12a for multiplexed gene perturbation The Penn State Protein Ladder Engineered miniature CRISPR-Cas system...anti-HA frankenbodies (Zhao et al. 2019), Tim Stasevich and Hiroshi Kimura’s labs have recently published...onto a well-folded scFv scaffold to improve its stability in cells, and use it in a variety of applications...complementarity determining region of an anti-FLAG scFv and a stable scFv scaffold. (b) Schematic of anti-FLAG-FB-GFP...2021. doi: 10.1038/s41587-020-0600-6. The Penn State Protein Ladder  by: Rachel Leeson This simple, inexpensive...expression and purification. Figure 3: The Penn State Ladder run on SDS-Page gels. A: individually expressed...

  17. Plasmids 101: Screening Strategies Used in Plasmid Cloning

    Type
    Blog Post
    Published
    Sept. 15, 2020, 1:15 p.m.
    .... To get started, you will first need a primer that complements your plasmid sequence. Start with a backbone-specific...plasmid, you’ll need a way to find the needle in the haystack: the one perfect clone that contains the plasmid... lost a specific gene survive (ex: antibiotic resistance marker). In a previous blog post, we covered ...plasmid backbone, as it often relies on antibiotic resistance. But what about identifying clones that contain...Lynne Postovit’s lab. It contains an ampicillin resistance marker in the backbone. A selection on agar containing...

  18. Synthesized by Ginkgo Bioworks, Shared by Addgene: SARS-CoV-2 Plasmids for Many Expression Systems

    Type
    Blog Post
    Published
    May 19, 2020, 1:15 p.m.
    ...rigorous QC standards are met, we are taking a unique hybrid approach compared to our standard pipeline....samples, the rest will be put into a status we call “Archived.” This status allows us to store plasmids and...pipeline. For the first ~50 plasmids we perform our standard full plasmid sequencing by NGS. Addgene’s QC scientists...contain all expected features and meet our QC standards. If any concerns are identified, we can quickly...

  19. The Many Reasons for Irreproducible Research- and a Vaccine to Eradicate It

    Type
    Blog Post
    Published
    Jan. 30, 2020, 2:15 p.m.
    ...practices (QRPs) can quickly lead us to find statistically significant results that are not robust. Sampling...Preregistration is the process of creating a time-stamped research plan in a public repository before conducting... is typically done right before data collection starts, and should include a specific plan for how data...each hypothesis will be tested with a specific statistical test.  Preregistration makes clear the distinction...to present that work using hypothesis testing statistical tools that generate a p-value.  As an example...sampling noise with registered reports, the gold standard for testing hypotheses Finally, Registered Reports...

  20. Plasmids 101: Transformation, Transduction, Bacterial Conjugation, and Transfection

    Type
    Blog Post
    Published
    June 25, 2019, 12:54 p.m.
    ...mechanism by which bacteria have gained antibiotic resistance and virulence. Scientists have studied how HGT... Guillemin, 2006) or the presence of specific substances (Meibom et al., 2005). Though not all bacteria... replication-incompetent phage particles with assistance from a ‘helper’ phage prior to transduction. ...expressed but not integrated into the genome and stable cell lines, where foreign DNA is incorporated into...can infer genetic advantages such as antibiotic resistance. Bacterial conjugation as explained by... genetic material can pass through. If you are starting any molecular biology experiment check out Addgene...
Showing: 341 - 360 of 871 results