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We narrowed to 1,044 results for: sta

Showing: 681 - 700 of 1044 results
  1. SciComm: Taking Science to Elementary and Middle Schools

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    Blog Post
    ...curriculum. It’s through the PTA that I recently started coordinating the annual Math & Science Night, a...scientist. I gave a timeline of my science life, starting back to Mr. Kelley, my 7th grade biology teacher...them had imagined for a scientist. I think that establishing this history helped demonstrate that a) I was...curriculum and offered engaging examples of how understanding genetics is so timely.” Genome engineering, ...
  2. An Introduction to Adenovirus

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    Blog Post
    ...a physiological effect of SARS-CoV-2 toward destabilizing one’s natural immune response to Adenovirus ...Adenoviral vectors are commonly derived from the mastadenovirus members (mammalian-infecting members) of the...delivery and for oncolytic virus in addition to standard uses in gene therapy and in basic research, like...death protein (E3-11.6K) is required at very late stages of infection for efficient cell lysis and release...
  3. The Importance of a Fun Workplace: Company Culture at Addgene

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    Blog Post
    ...Our story today starts with a bit of Addgene history... As you may be aware, Melina Fan, her brother ...buidling - they relieved some of the pressure of start up life and maintained their sanity by throwing ... at Executive Director Joanne Kamen’s home- a testament to the familial aspect of Addgene. As our size...will avoid chaos and delays in getting the fun started. I’m aware that  “organizing the fun” sounds a ...
  4. Sharing Your Lab Protocols: Using Apps to Save Time & Track Your Experiments

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    Blog Post
    ...protocol. Many scientists, publishers, and small start-ups are turning to software apps to solve our need...are just a few promising options to get your lab started:   7 ways to share your lab protocols online Addgene...Check out all the benefits and how you can get started on our deposit page. Protocols.io Website: http...satisfaction of checking off each step as you painstakingly complete your experiment – one small victory...
  5. Twenty Years of Sharing: Addgene's Viral Vector Service

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    Blog Post
    ... the lab somewhat mirrors the complexity of understanding their wild counterparts. Those familiar with...process that isn’t as simple as it seems. Take, for instance, the GCaMP-encoding viral vectors available in...revamped our viral vector selection process to standardize our feedback and evaluation of viral vectors....requestors can upload their experimental data in a standardized format, sharing how well a given viral vector...
  6. The PAM Requirement and Expanding CRISPR Beyond SpCas9

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    Blog Post
    ... Cas9 orthologs have been isolated, and our understanding of their PAMs is shown in the table below.  ... Streptococcus pyogenes (Sp) 3' NGG Staphylococcus aureus (Sa) NGRRT or NGRRN Neisseria ... useful than SpCas9. For example, Cas9 from Staphylococcus aureus (SaCas9) is about 1 kilobase smaller...Zhang F (2015) In vivo genome editing using Staphylococcus aureus Cas9. Nature 520:186–191 . https://doi.org...
  7. What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program

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    Blog Post
    ...purpuratus, the spiny purple sea urchin. It’s not a standard model organism, but it was easy to harvest eggs...this wonder of the organism.   It’s not an overstatement to say that CRISPR/Cas9 editing is one of the...which these methods are presently unavailable.” As stated by one of the NSF program directors, this program...Now what? What would you study first? They are starting by seeing if they can change long legged lizards...
  8. Supporting Reproducibility with a Connected ELN

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    Blog Post
    ...original formatting. In this way data is moved from a static and isolated vehicle and becomes part of the dynamic...permanent research record, yet they are crucial to understanding research and the thinking and workflows that...third-party access to the ELN arises here. Notwithstanding access restrictions based on permissions, however...it would be possible to grant those wanting to understand and/or attempt to reproduce research relating...
  9. Hot Plasmids - November 2023

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    Blog Post
    ...similar or better efficiency than PEmax, the current state-of-the-art. PE6b was very efficient for short, unstructured...fluorescently labeled. Using lentiviral vectors to stably or inducibly express tagged iPAK4 from different...distribution and has been verified to perform well in standard IHC and western blot protocols. You can find more... Figure 5: Delipidated mouse brain tissue was stained with Anti-PSD-95 [K28/43R] (70 µm mounted sagittal...
  10. Plasmids 101: Control Plasmids

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    Blog Post
    ... For every experiment, an investigator needs a standard against which the results can be compared; results...inconclusive and unreliable. Proper controls provide the constant variables that enable the correct interpretation...should be included as these provide the baseline/standard against which other samples can be compared. The...least you should repeat your whole experiment from start to finish multiple times and on different days. ...
  11. Tips for Using FRET in Your Experiments

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    Blog Post
    ... paper, Sekar and Periasamy defined FRET as "a distance-dependent physical process by which energy is ...fluorophores used are in close vicinity. Thus, the distance between the two fluorophores and their orientation...less important when designing a biosensor, as the distance between the two fluorophores and their spatial...measurement methods as feasible when first beginning to establish the FRET methodology for a given experiment. You...
  12. Adeno-associated Viruses (AAVs) for Genome Editing

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    Blog Post
    ...cancer-causing mutations into the endogenous allele of the STAG2 tumor suppressor in human cells (Kim et al, 2016...compared to CRISPR editing CRISPR, of course, has started a revolution in gene editing. However, while CRISPR...applications that require large gene fusions. The current state-of-the-art in combining the AAV and CRISPR-based...human cells harboring tumor-derived mutations in STAG2." PLoS genetics 12.2 (2016): e1005865. PubMed PMID...
  13. CRISPR 101: Homology Directed Repair

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    Blog Post
    ...Stroik January 24, 2023. DNA damage drives genome instability and contributes to cancer, premature aging, and...efficiency for more details on how "Cut-to-Mutation distance" affects editing efficiency. One important point...moderated by the Zhang lab CRISPR Challenges: Standardization and HDR CrispyCrunch Optimizing Donor DNA for...DNA double-strand break repair pathway choice. Shrivastav M, et al Cell Research (2008). PubMed. Mechanisms...
  14. Plasmids 101: Expressing shRNAs for RNA Interference

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    Blog Post
    ...siRNA duplex. Fun fact! Endogenous miRNA production starts with transcription of the miRNA to create pri-miRNA...of the most common uses of shRNAs is to generate stable knockout or knockdown cell lines. In fact, it was...specific mRNAs. shRNAs are a quick way to create stable knockdown cells lines, and you can usually find...10.1038/nbt.3947 Fire, A., Xu, S., Montgomery, M. K., Kostas, S. A., Driver, S. E., & Mello, C. C. (1998). Potent...
  15. CRISPR 101: Off-Target Effects

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    Blog Post
    ...nearly impossible to eliminate, it’s essential to understand them in order to design the most specific assays...minimum of 1,000 targeted cells to sequence. In this instance, a 5% off-target frequency is something to keep...-targets and patient risk. Hopefully you can understand that depending on your platform, off-target effects... having off-target sites within a close enough distance to each other to cause a DSBs will be very low...
  16. CRISPR 101: Epigenetics and Editing the Epigenome

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    Blog Post
    ...across the genome) has been implicated in disease states, and targeting the epigenome may make certain processes...has fused LSD1 to the smaller nuclease-dead Staphylococcus aureus Cas9 (Sa-Cas) and deposited plasmid ...more than dCas9-VP64, especially when targeting distal enhancers. As the effects of these tools are likely...T, Rivenbark AG, Rashwan R, Blancafort P (2015) Stable oncogenic silencing in vivo by programmable and...
  17. Generating Mouse Models Using CRISPR/Cas9

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    Blog Post
    ... a mutation introduced by CRISPR. The sequence started clean and then, about 100 bps into the run, it ...CRISPR for mouse genome engineering From the very start, generating mouse models using CRISPR is easier ... genome. However, with only 3.4% of founders establishing germline transmission of the transgene, this...Efficient Production of Gene-Modified Mice using Staphylococcus aureus Cas9. Sci Rep 6: . https://doi.org/10.1038...
  18. Live and Let Dye: Self-Labeling Protein Tags

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    Blog Post
    ...synthetic chloralkane (CA) ligand. The current standard version known as HaloTag is actually HaloTag7,...Organic dyes are typically both brighter and more photostable than fluorescent proteins (often up to 10-fold.... Scale bar, 2 μm. Inset shows comparison with standard confocal microscopy. Image adapted from (Bottanelli...fluorophore’s microenvironment to enhance brightness, stability, or other properties is an active area of research...
  19. Custom CRISPR Screens & the Green Listed Software

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    Blog Post
    ... differentially expressed genes can be the next stage in making sense of such data. These targeted screens... gRNAs that target your list of selected genes. Start by choosing which “Reference Library” you’d like...to each reference library before using them to understand how they are set up. Using the “User Upload” ...PubMed Central PMCID: PMC4559080. 5. Tzelepis, Konstantinos, et al. "A CRISPR dropout screen identifies ...
  20. CRISPR 101 eBook...en español

    Type
    Blog Post
    ...español! Esta traducción fue regalada a Addgene por Daniel Mejías Sánchez, ¡y no podríamos estar más emocionados...científica profesional, L. Denise Roche, para editarla. Estamos orgullosos de anunciar que CRISPR 101: Una herramienta...
Showing: 681 - 700 of 1044 results