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We narrowed to 610 results for: ACE;

Showing: 161 - 180 of 610 results
  1. How to Keep a Lab Notebook for Bioinformatic Analyses

    Type
    Blog Post
    Published
    June 2, 2016, 2:30 p.m.
    ... by spaces. File names with more than one word should be named in the camelCaseFormat since spaces between...analyze large data sets (myself included) and we are faced with finding the best system to document these types...the basics. However, these notes take up a lot of space and don’t tell you why you did something or what...
  2. Seven Tips for Using LinkedIn as a Scientist

    Type
    Blog Post
    Published
    Oct. 1, 2019, 1:21 p.m.
    ...Personalize all connection requests LinkedIn is a place to build relationships. If you don’t add a personal... talked about (or how good the beer was at that place, for example). This is also a great way to keep ...profile and not updating it. LinkedIn may actually replace the resume some day (I’ve already abandoned my ...have to be a headshot in a suit, but this is not Facebook so no pets or kids. Try looking a bit over your...
  3. Antibodies 101: Affinity Reagents

    Type
    Blog Post
    Published
    April 14, 2022, 1:15 p.m.
    ...amazing affinity reagents we just didn't have the space to give proper credit to. Thankfully, as Addgene's..., or be able to access an epitope folded into a space that would size-exclude an antibody. In imaging ...eukaryotic cells, allowing for them to be used as intracellular inhibitors.  Aptamers are not proteins at all.../neu and CD16 Exhibit Improved Tumor Lysis When Placed in a Divalent Tumor Antigen Binding Format. Journal...
  4. Developing Lab Management Software for Biology

    Type
    Blog Post
    Published
    Aug. 25, 2016, 2:30 p.m.
    .... Everything will go wrong Whenever an order is placed on the Addgene website, it sets off a chain reaction... need to be repeated. We also now have a good interface to begin tracking analytics data for lab procedures...at some point, decide early on what to do in a namespace collision. It may even be worth it to have extra... you're solving, but consistency is key. Some namespace collisions you may encounter: vector, sequence...
  5. Plasmids 101: Cre-lox

    Type
    Blog Post
    Published
    Jan. 13, 2015, 3:47 p.m.
    ...repeats separated by an 8-bp long asymmetric core spacer sequence. The asymmetry in the core sequence gives... double-strand DNA break occurs within the core spacer of each loxP site and the two strands are ligated...loxP sites is reversed.   Deletion: If the sites face in the same direction, the sequence between the ...been created, which contain a unique asymmetric spacer "NNNTANNN", where "N" indicates which bases may...
  6. CRISPR 101: Cytosine and Adenine Base Editors

    Type
    Blog Post
    Published
    Feb. 13, 2025, 2:15 p.m.
    ...edit. Figure 2: Cytidine deamination takes place on the free strand of DNA and converts a C to U ..., ABE8s resulted in 1.5-fold more editing at protospacer positions A5-A7 and 3.2-fold more editing at ...Joung’s lab created a dual-deaminase editor called SPACE (synchronous programmable adenine and cytosine editor...mechanism than base editing, has allowed scientists to replace entire sequences of varying lengths. Base editing...and adenine base editors Grünewald et al., 2020 SPACE   Fused cytosine and adenine base editors Walton...
  7. Nanoblades: Tiny CRISPR Ninjas for Genome Editing Difficult Cells

    Type
    Blog Post
    Published
    Sept. 26, 2019, 12:50 p.m.
    ..., if these variants are fused to the MLV Gag in place of SpCas9. gRNA A gRNA targeting a DNA sequence ... charge repulsion between virions and the cell surface, and also helps form DNA and retroviral-particle...components. However, this sometimes requires intracellular injections into the cytoplasm or pronucleus ...avoid this pitfall since they are injected into the space surrounding the zygote, where they can then fuse...
  8. Early Career Researcher Toolbox: Finding Relevant Papers

    Type
    Blog Post
    Published
    Jan. 9, 2020, 1:45 p.m.
    ...PubMed search option in early 2020 and eventually replace the existing version of PubMed.  Key features This...references sections of a PubMed entry are great places to look for more articles on your topic of interest...Twitter to promote their work, so it’s also a good place to look for publications. Bonus: papers have to ...automatically update as papers are published, similar to Facebook or Instagram. Key features Setting up a personalized...
  9. Progress Towards a PAM-Free CRISPR

    Type
    Blog Post
    Published
    March 7, 2024, 2:39 p.m.
    ...structures, etc., as well as the presence of a Protospacer Adjacent Motif (PAM) sequence. If the gRNA sequence...extent NYN. This increases the flexibility of gRNA placement significantly over SpCas9 and more so than Cas9s...Engineered CRISPR-Cas9 nuclease with expanded targeting space. Science 361,1259-1262(2018). DOI:10.1126/science.aas9129...
  10. Tips for a 1st time AAV user (by a Rookie AAV user)

    Type
    Blog Post
    Published
    Oct. 23, 2018, 11:49 a.m.
    ...ultrafugation Overview: Iodixanol gradient ultracentrifugation uses a gradient of different concentrations...during AAV production is overlaid. Following ultracentrifugation, the AAV-containing 40% fraction is collected...day. Refer to the AAV Iodixanol Gradient Ultracentrifugation Protocol for more details. Pro tips Watch...transfer plasmids. It’s easy to contaminate a workspace with plasmid, not that I would know about this...
  11. xCas9: Engineering a CRISPR Variant with PAM Flexibility

    Type
    Blog Post
    Published
    March 28, 2018, 6:52 p.m.
    ...contained all 64 possible NNN PAM sequences adjacent to a protospacer. If ω-dCas9 could recognize a library ...other CRISPR enzymes require a short PAM sequence adjacent to the targeted sequence at the locus of interest... and 3.7 shows that we have only scratched the surface of modifications that can be made to Cas9. It is...
  12. Plasmids 101: Multicistronic Vectors

    Type
    Blog Post
    Published
    Sept. 9, 2014, 8:20 p.m.
    ...quite large (500-600 bp) and may take up precious space in viral transfer vectors with limited packaging...stream of the IRES or 2A element (depending on the placement of the reporter gene). Addgene's collection offers...flanking the multicistronic element(s), or you could replace one of the reporter genes above with your gene ... are designed to have one or more of the genes replaced.  Additionally, 2A peptides could be PCR-cloned...
  13. AAVs in Retinal Gene Therapy

    Type
    Blog Post
    Published
    July 31, 2018, 12:55 p.m.
    ...gene therapy had fallen - plummeted really -  from grace 2 years prior with the death of Jesse Gelsinger ...these key elements together at the right time and place. But it is the hard work and persistence of a dedicated...early as next year. Twenty years after falling from grace, gene therapy is back, better and safer. It is now...therapy for blindness 2. Gene Therapy emerges from disgrace to be the next big thing, again 3. Acland G. et...
  14. Capturing a Moment with Marc Zimmer’s “The State of Science”

    Type
    Blog Post
    Published
    July 30, 2020, 1:15 p.m.
    ..., the real value here is seeing them all in one place. Can we address problems in scientific publishing...of creating a technology that could eventually replace scientists themselves.  The sections on optogenetics...COVID times,” but the pandemic has certainly exacerbated them and forced scientists to change their priorities...introduction they need to grasp the challenges you face in your career.  Acknowledgements: I would like...
  15. DNA Purification Without a Kit

    Type
    Blog Post
    Published
    Feb. 11, 2020, 2:15 p.m.
    ...is then washed, and either eluted from a fixed surface or precipitated, dried, and then rehydrated. There...glass particles in glass milk, gel slices are first placed in a chaotropic salt sodium iodine (NaI) solution...with ddH2O and then ethanol. After regeneration, trace amounts of DNA (3 femtograms/ul) could still be ...cleaned with 1M phosphoric acid and re-used, but trace contamination could interfere with interpreting ...
  16. Fluorescent Proteins 101: Green Fluorescent Protein (GFP)

    Type
    Blog Post
    Published
    May 15, 2014, 3:33 p.m.
    ...yellow derivatives) A206K Interferes with dimer interface (monomeric derivatives) K26R, Q80R, N146H, H231L...biosensors has been designed to detect a variety of intracellular conditions, including ion (such as Ca2+) concentrations...available. Others: We’ve really just scratched the surface of the potential applications for GFP. It has also...strand break repair, and to label pathogenic intracellular microbes to visualize host/pathogen interactions...
  17. QC Sequencing Technologies at Addgene

    Type
    Blog Post
    Published
    July 15, 2025, 1:15 p.m.
    ...resolve the assembly. Keeping up the pace Our QC team constantly faces the challenge of keeping up with the...the terminating nucleotide and records it in a “trace” file to determine the sequence. Figure 1... backend, has enabled the QC to keep up with the pace of deposits while maintaining quality. Maintaining...
  18. CRISPR 101: Which Cas9 Do I Choose for My CRISPR Experiment?

    Type
    Blog Post
    Published
    Oct. 13, 2022, 1:45 p.m.
    ...target is present immediately upstream of a Protospacer Adjacent Motif (PAM), the sequence NGG.  If these... within the editing window (bases 4-8 of the protospacer). While this is a small window, this system can...system.  Fig. 1: Cytidine deamination takes place on the free strand of DNA and converts a C to U ...
  19. Career Insights: Technical Support Specialist

    Type
    Blog Post
    Published
    Nov. 9, 2017, 2 p.m.
    ...express my concerns and request a replacement. I got my replacement in the end and the issue was resolved...less suitable for troubleshooting or issuing replacement products. In order to find good and helpful answers... in you – a technical support role is the right place to live it out, but ideally without asking too many...
  20. How to Be an Excellent Trainee

    Type
    Blog Post
    Published
    Sept. 26, 2023, 1:15 p.m.
    ...progress. You will also probably have a lot more face time with your bench mentor than your scientific...lot of details, especially when you are in a new place, learning something new. So how can you remember... walking through the protocol, by going to each space in order to double-check you remember where the ...Resources Resources on the Addgene blog Trading Spaces – Visiting Scientist Edition Mentoring for Scientists...
Showing: 161 - 180 of 610 results