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We narrowed to 1,167 results for: ACE

Showing: 381 - 400 of 1167 results
  1. Capturing a Moment with Marc Zimmer’s “The State of Science”

    Type
    Blog Post
    ..., 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...
  2. DNA Purification Without a Kit

    Type
    Blog Post
    ...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 ...
  3. AAVs in Retinal Gene Therapy

    Type
    Blog Post
    ...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...
  4. Fluorescent Proteins 101: Green Fluorescent Protein (GFP)

    Type
    Blog Post
    ...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...
  5. AAV Packaged on Request is Here!

    Type
    Blog Post
    ...plasmids and your viral packaging service in the same place, making it easier to go from selection to viral ...to order at your convenience. After an order is placed, we’ll facilitate the necessary MTA, then start...your plasmid of interest in your desired serotype, place your order when ready, and we’ll take care of the...
  6. Celebrating One Million Plasmids Shared!

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    Blog Post
    ...Can you imagine how much space a million plasmids would fill? Two weeks ago, Addgene edged passed our... hard to picture one million plasmids. How much space would one million bacterial stabs take up? If 81...upcoming months, we will be moving into a bigger space so that we can make an even bigger impact - we are...
  7. CRISPR 101: Which Cas9 Do I Choose for My CRISPR Experiment?

    Type
    Blog Post
    ...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 ...
  8. QC Sequencing Technologies at Addgene

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    Blog Post
    ...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...
  9. Career Insights: Technical Support Specialist

    Type
    Blog Post
    ...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...
  10. How to Be an Excellent Trainee

    Type
    Blog Post
    ...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...
  11. Tips for CRISPR Gene Editing in Mice

    Type
    Blog Post
    ...recombination; SSA, single strand annealing) took place and reconstituted the EGFP expression cassette. ...fragment containing the sgRNA target sequence can be placed in multi-cloning site (MCS) between EGFP fragments...extra precautions needed when dealing with RNA (e.g. face mask, and a dust free and specially cleaned work...mice that may have no mutation, costing money and space. As a rule, screen all of your pups unless you have...
  12. Avoiding the Dark Side of Fluorescent Protein Fusions with mOX FPs

    Type
    Blog Post
    ...), the inner membrane space of mitochondria and chloroplasts, the extracellular milieu, and gram negative...should be taken into account when deciding where to place an FP within a fusion construct [1,2], i.e. positioning...mitochondria, lysosomes or they are secreted into the extracellular milieu. Many of the resident proteins within...
  13. Plasmids 101: The Promoter Region – Let's Go!

    Type
    Blog Post
    ...is by no means exhaustive, but should be a good place to start when trying to pick your perfect promoter...promoter down regulation due to methylation or deacetylation. Ubc General expression mRNA Mammalian promoter...calmodulin. GAL1, 10 General expression mRNA Yeast adjacent, divergently transcribed promoters Inducible with...orientation to your gene Although this list is a great place to start, the tables above do not delve into the...
  14. Transferable Skills Guide: Conflict Resolution

    Type
    Blog Post
    ...The source of those conflicts can frequently be traced back to one of a few trouble spots:  Communication...here is pretty intuitive: You need to be willing to face conflict head-on. That doesn’t mean you have to ...and compromising. Though there may be a time and place for avoiding, competing, or accommodating, if you...knowledge to resolve conflicts. Conflict in the workplace is inevitable, but having who can help resolve...
  15. Filming Science Videos in the Age of Social Distancing

    Type
    Blog Post
    ...consuming and difficult. Finding volunteers who had space to shoot was another hurdle. As we slowly started...reopened. But there were still many restrictions in place, most importantly, masks.  Besides the muffled voices...strict safety protocols to keep Addgenies safe. Space was at a premium, so I had to figure out a solution... we were finally refining the process down to a place I could be happy with it. Cycle 5 - The Future! ...
  16. CRISPR 101: Homology Directed Repair

    Type
    Blog Post
    ...double-strand break (DSB). DSBs can be caused by intracellular factors such as nucleases and reactive oxygen...for DNA repair synthesis. The ssDNA strand then displaces one strand of the homologous DNA donor and can...formation of a DNA structure referred to as the displacement loop (D loop). The recombination intermediates...synthesized portion of the invasive strand is displaced from the template and returned to the processed...
  17. Treating Muscular Dystrophy with CRISPR Gene Editing

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    Blog Post
    ...precision editing of the dystrophin gene would take place, with minimal risk of off-target editing. In order...sites. Each paper characterizes additional, unique facets of CRISPR DMD therapy. Long et al. show that AAV-CRISPR...the desired phenotype. Precision genome editing faces the challenges above and more. One chief challenge...approval. Even with the challenges precision editing faces, it’s encouraging to see such progress in the more...
  18. Troubleshooting and Optimizing a Western Blot

    Type
    Blog Post
    ...finding yourself having issues, you’re in the right place! In this post, we’ll talk about western blot optimization... visible to the naked eye.   If you see a smiley face in your gel, or if you see smeared bands, your voltage...voltage is likely too high. If you’re seeing a smiley face at an appropriate voltage (usually 10–15 V/cm of...bleed!), cut off the upper left-hand corner, or place a double ladder on the lefthand side. Whatever you...dry the membrane, wet it with 20% methanol, and place over a light box to visualize proteins after transfer...
  19. Same Addgene, New Look - Why We Redesigned Our Homepage & Mascot

    Type
    Blog Post
    ...relatively the same for quite a while and hadn’t kept pace with our growth over the last few years. Some of... professional, and modern. Instead of trying to place all of the content above the fold, we decluttered...elements and allowed our content to dictate the space. We wanted to comfortably tell our story, to get...
  20. Easi-CRISPR: Generating Knock-In and Conditional Mouse Models

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    Blog Post
    ... site and adjacent PAM. Your knock-in design may naturally remove the gRNA sequence or place it far from...100 bp homology on each side. For optimal repair, place the loxP sites precisely at the cut site for each...the oviductal lumen, tweezer-type electrodes are placed to mediate electroporation. Ohtsuka et al. compared...
Showing: 381 - 400 of 1167 results