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We narrowed to 616 results for: sam

Showing: 141 - 160 of 616 results
  1. Phage Directory: From Phage Therapy to a Repository of Phage Information

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    Blog Post
    ...should receive the clinical sample to test their phages. Because the sample is limited, only the labs that...bacteria and sometimes, only a subset of strains of the same bacterial species are affected. As of now, phage...targeting organisms closely related to the clinical sample. For treatment, it is best to identify a cocktail...
  2. What's the Best Way to Elute and Store Your Plasmid DNA?

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    Blog Post
    ... last step will influence the stability of your sample over time and determine which experiments you can... impact the time you will be able to store your sample without having substantial degradation and which... DNA, it will limit what you can do with these samples. This is because divalent cations are essential...reaction, an effective possibility is to dilute your sample in water to reduce the EDTA concentration. Alternatively...
  3. Fostering communication in remote collaborations

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    Blog Post
    ...asynchronously. The best way to keep everyone on the same page is to make communication a non-negotiable part...meeting, but short enough that everyone stays on the same page. Ideally, these meetings include all collaborators...documents While having multiple scientists edit the same document may sound like something out of your nightmares...or ensure that techniques are being performed the same way at different sites. I did a lab exchange as ...
  4. Plasmids 101: Walkthrough of Addgene’s Snapgene-Powered Quality Control Process

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    Blog Post
    ...features and it allows you to more quickly identify the same feature in other plasmids. Aligning sequences with...allows us to quickly align multiple sequences at the same time. This means we can easily compare and analyze...Snapgene-powered plasmid maps and sequences use the same feature detection software as the desktop version...analyze the sequence data in depth. You will see the same features annotated in our plasmid maps, including...
  5. Intro to Our Summer SciComm Series!

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    Blog Post
    ...good communication is making sure everyone’s on the same page. So for our first post, I thought it best to...communication by and to scientists in (roughly) the same field, often through manuscripts, seminars, or posters...PCR test” to mean “a test that uses a biological sample to look for presence of a virus.” A scientist would...consistent and clear.   And now that we’re all on the same page, we’re ready to get into the more exciting ...
  6. Plasmids 101: Origin of Replication

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    Blog Post
    ... plasmids with the same ori are incompatible because they will compete for the same machinery, creating...unpredictable environment. As a rule, plasmids from the same group should not be co-transformed, so if you need... an arbitrary designation, and plasmids from the same incompatibility group should not be co-transformed...
  7. A Tour of Addgene's Most Popular Pooled Libraries

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    Blog Post
    ... each is a collection of plasmids that share the same backbone and differ only in a small region. This... the collection all the time! We’ll serve up a sampling of some of the most popular and give you a tour...tour of what these libraries are capable of at the same time. Barcoding libraries Just as physical barcodes...BioRender.com. The CellTag libraries from the Samantha Morris lab use a combinatorial barcoding approach...
  8. Learning Technical Skills at a Lab Central Workshop

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    Blog Post
    ... aim to do large scale DNA preps with multiple samples without cross contamination. We currently use the...create a DNA library, one must first fragment a DNA sample into many small components. Without proper processing...process with, we got great amplification of our sample libraries. NEB also gave us a few goodies which...my first blog post! I highly recommend doing the same if you ever go to a workshop because it will help...
  9. Giving gRNAs a Facelift - Synthetic and Beyond

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    Blog Post
    ... when scientists talk about their precious RNA samples. RNA is inherently less stable than most macromolecules...CRISPR-Cas9 experiments – the “gRNA” – suffers from the same issues as your experimental RNA. To solve this problem...Another stabilizing sugar modification, found at the same site, is 2’-fluoro (2’-F), which substitutes a fluorine...protein and can increase on-target efficiency. In the same vein, locked nucleic acids or bridged nucleic acids...
  10. AAV Q&A with Tim Miles

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    Blog Post
    ... A: It is our understanding that AAV-BR1 has the same genome size restrictions as other AAV. Therefore...somewhat more reliable quantitation. Differences in sample treatment across methods can affect reported titer...that users keep titering method consistent across samples within a project. Targeting Your AAV Q4: Are there...of co-delivering different AAV particles into the same cells in vivo? A: This will be highly dependent ...
  11. Antibodies 101: Monoclonal Antibodies

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    Blog Post
    ...Monoclonal” refers to antibodies that are all of the same isotype and specificity. In other words, monoclonal...recognize the protein even though it is present in your sample. Additionally, there is a lower likelihood that...antibodies that recognize many different epitopes on the same protein - are more likely to have off-target effects...produces high-affinity/high-avidity antibodies. The same hybridoma is then used to produce all lots of the...
  12. Behind the scenes: Addgene’s new search engine and more

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    Blog Post
    ...this information, however, did not improve at the same pace as the quantity and quality of the information...mechanism to “collapse” variations and synonyms of the same term that appear in our data into a single filter... Matching We capture multiple variations of the same information in our search indices in order to support...depositor field will rank higher than matches of the same name in the publication field. Suggestions We provide...
  13. Plasmids 101: Methylation and Restriction Enzymes

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    Blog Post
    ... experiment? The answer to both questions is the same--methylation! Read on to learn about how DNA methylation...companion endonucleases that recognizes and cleave the same DNA sequence if not methylated (if it comes from...Although not all prokaryotic DNA is methylated to the same level, the potential for methylation should be considered...any) of those sites will be methylated. Using the same example plasmid as above (which has the XbaI site...
  14. How to Keep a Lab Notebook for Bioinformatic Analyses

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    Blog Post
    ...that you are in fact using the same data for all of your analyses. The same is true for scripts. Naming...files in a separate folder: You will often use the same data files for multiple analyses. Rather than copying... script as originalName_descriptionOfEdit in the same directory where it was run. This technique leaves...
  15. New Tool for Lineage Tracing: The ClonTracer Library

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    Blog Post
    ...replicates would contain the same labels - i.e. they would always come from the same parent cells that represent...replicate groups, and treated these groups with the same drug regimen, they would find one of two outcomes...population (all barcodes can be amplified using the same sets of forward and reverse primers). The abundance...
  16. Plasmids 101: Cre-lox

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    Blog Post
    ...two loxP sites, which can be located either on the same or on separate pieces of DNA. Both 13bp repeat sequences... sites: Inversion: If the loxP sites are on the same DNA strand and are in opposite orientations, recombination... reversed.   Deletion: If the sites face in the same direction, the sequence between the loxP sites is...sites undergo recombination with other sites of the same type, but are not cross-compatible. Using different...
  17. High Complexity Golden Gate Assembly with NEB’s DAD

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    ...don’t use the same overhang twice; (2) avoid palindromes; (3) no overhangs with the same three nucleotides...in a row; (4) no more than two nucleotides in the same position; (5) avoid overhangs with either 0% or ...71% (Pryor et al., 2020). And in 2022, using the same tools, they successfully assembled a 40 kb T7 phage...
  18. Illuminating Epigenetics with A FRET Based Biosensor

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    Blog Post
    ...corresponding gene products due to the same region, but not the same exact genes, being improperly silenced.... This is how most cells in the body contain the same DNA but have very different structure and function...present without any DNA changes, and both involve the same region of chromosome 15. They both result from the...
  19. Magnetic Control of Proteins: More than a Dream

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    Blog Post
    ...fluorescence when a small magnet was passed over the sample (Frank Hayward et al., 2024). The fluorescence ...intensity decreased whenever the magnet approached the sample (by less than 1%) and recovered after the magnet...expressing MagLOV while a magnet is waved under the sample. The imaged area measures approximately 82 mm across...Matsuoka, R., Kimura, S., Miura, T., Ikoma, T., & Kusamoto, T. (2023) Single-Molecule Magnetoluminescence...
  20. CrispyCrunch: High-throughput Design and Analysis of CRISPR+HDR Experiments

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    ...scientists design and analyze batches of CRISPR samples. We invite you to jump in and try it out, or take... databases, including primer3, biopython, bwa, samtools, bowtie, UCSC genome browser, Ensembl, and others...currently Crispor and Crispresso, that adhere to the same principles listed here. It employs biological best...productivity in the Biohub. We hope it will do the same for you. Send us your questions or comments to gdingle...
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