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We narrowed to 877 results for: HA

Showing: 401 - 440 of 877 results
  1. Antibodies 101: The Basics of Western Blotting

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    Blog Post
    ...top of the resolving gel. A stacking gel typically has a different ionic strength and lower pH and acrylamide...Choosing your primary antibody Once the membrane has been blocked, it is stained with a primary antibody...the vendor’s website and choose an antibody that has been validated for immunoblotting. Different immunoassays..., cytoplasm and nucleus.  We hope that this blog has provided you with a good overview of the western ...
  2. CRISPR 101: Engineering the Plant Genome Using CRISPR/Cas9

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    Blog Post
    ...last updated Dec 22, 2020 by Benoit Giquel. CRISPR has taken the genome engineering world by storm owing...that regulate a desired phenotype. In fact, CRISPR has already been used to engineer the genome of many ...to protoplast cells (plant cells whose cell wall has been removed). Another common delivery method is ...developed for plants and prime editing for plants has been developed for rice by Yiping Qi’s lab and for...
  3. From our Table to Yours: An Inside Look at Lunch at Addgene

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    Blog Post
    ...Hack Day lunches These days everyone is busy and has a To-Do list long enough that there is no hope of...Cross-team “Random Lunches” With more employees, Addgene has naturally divided into smaller functional teams. ...
  4. Deep Dive: Fixing and Permeabilizing for Immunofluorescence

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    Blog Post
    ...Triton X-100, Tween-20, or saponin. Each detergent has different chemical properties that will impact the...always look at your antibody datasheet to see if it has been tested in IF and if a protocol is available....an effective strategy. (This article on fixation has some more examples to help choose which fixative ...
  5. Hot Plasmids and Viral Preps - May 2021

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    Blog Post
    ...pathways By Gabrielle Clouse Claudia Vickers’ lab has created a novel nanocompartment for transporting ...Staphylococcus lugdunensis that recognizes a NNGG PAM and has comparable activity to SaCas9. A new yeast inducible...that is smaller and easier to deliver, but so far has few inhibitors identified.     New from the viral...
  6. Common Injection Routes in Mice

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    Blog Post
    ... of practice to ensure the proper injection site has been located and to avoid potential off-target pokes...researcher preferences. It sounds complicated but has a pretty low learning curve! Restraint: scruffing...: intermediate Your decision Hopefully this post has provided a good introduction to common injection ...
  7. Viral Vectors 101: Voltage Indicators

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    Blog Post
    ...available VSDs has been successful even at the single neuron level in vitro. In vivo monitoring has also been...biosensors, and generally as biological tools, our blog has you covered. Happy voltage sensing!   Figure...
  8. CRISPR Activators: A Comparison Between dCas9-VP64, SAM, SunTag, VPR, and More!

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    Blog Post
    ...methods for CRISPR activation, research in the area has continued to develop. These newer methods have not... of rearranging chromatin structure. This method has shown higher activation levels than SAM in some loci...-HSF activation domains used in SAM. This method has been shown to activate genes at 2- to 3-fold higher...
  9. Mobile-CRISPRi: Bringing CRISPRi to Diverse Bacteria

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    Blog Post
    ...interference (CRISPRi) has been limited to lab-adapted bacteria because it has been challenging to introduce...the bacterial Tn7 transposon system. This system has two parts: a plasmid expressing the Tn7 transposition...
  10. Quick Guide to Working with Drosophila Part 1: Getting Started with Flies

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    Blog Post
    ...DRSC/TRiP- Functional Genomics Resources website has in vitro reagents and tools to help you knock down...tools. The Vienna Drosophila Resource Center also has collections of flies for in vivo gene knock down ...finishing his immunology PhD at Harvard University. He has had nearly a decade of experience working with Drosophila...
  11. PITChing MMEJ as an Alternative Route for Gene Editing

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    Blog Post
    ...vectors. Addgene depositor Takashi Yamamoto’s lab has harnessed MMEJ to create a new method for CRISPR ...of the sequence between the microhomologies.MMEJ has certain advantages over HDR. Some species don’t have...the pathogenic fungus Aspergillus fumigatus, which has been difficult to modify due to NHEJ’s dominance ...
  12. Antibody Validation for Flow Cytometry

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    Blog Post
    ...expensive, it may be helpful to find an antibody that has already been validated for flow cytometry through...Characterization through Open Science) initiative has now started producing flow cytometry characterization...overexpression. Additionally, if the cell line used has endogenous levels of expression, this can make the...TIM-1 (Single pass type-1 membrane protein), which has been designated CD365 in the most recent HLDA workshop...as part of the YCharOS open science ecosystem. It has received in-kind support to produce this data from...
  13. Working 9-5: an Addgene Co-op

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    Blog Post
    ...cooperative education experience (co-op) is what has brought me, a second year bioengineering student,... that remote work would feel isolating, but that has not been the case for me at Addgene. There is a clear...
  14. Embracing Serendipity: A Crucial Element in the PhD Journey

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    Blog Post
    ...research and PhD studies, there lies a hidden gem that has the potential to redefine the course of one's research...inspiration. Additionally, journaling in the morning has proven invaluable for me, allowing me to pinpoint...
  15. Cellosaurus: A Cell Line Information Database

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    Blog Post
    ...manipulated, its anatomical origin, if cell line has ever been the target of an ‘-omics’ study or is resistant...can be used in some cases, but much of this work has required manually going through the pdfs of the 26,000...
  16. pSiM24: Simplifying Plant Genetic Engineering

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    Blog Post
    ...preparation in E. coli. Addgene depositor Indu Maiti has created a new and versatile binary Ti vector for ...mosaic virus, the constitutively active M24 promoter has been modified with duplicated enhancer domains and...
  17. Future of Research Conference - Remarkable Opening Session

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    Blog Post
    ...keynote speaker, Dr. Henry Bourne (shown in photo), has been speaking out and writing about issues in our...the same time, he pointed out, academic research has some big problems resulting from past practices and...
  18. Advice for Choosing a Research Project

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    Blog Post
    ...research project can take several years to complete and has multiple benchmarks. Think about what your personal...Have a look at what others have done recently that has been a big hit, and especially look at the new tools...
  19. Tag Your Favorite Yeast Genes with Ease

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    Blog Post
    ...overexpression. Tim Formosa, at the University of Utah, has built a complete collection of yeast tagging modules...terminator-(selection marker). Additionally, Dr. Formosa has deposited six plasmids with a multiple cloning site...
  20. Guide to Using Pooled Libraries

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    Guide
    ...Toronto KnockOut (TKO) library from the Moffat lab has over 175,000 different gRNA-containing plasmids)....
  21. Antibodies 101: Immunoprecipitation

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    Blog Post
    ...agents. Directly conjugating the primary antibody has the additional benefit of permanent linkage. This...steps following the incubation step. The wash buffer has an optimal pH and ionic strength that breaks weak... the scope of this post.  We hope that this blog has provided you with a useful overview of the IP method...
  22. Tips for arabidopsis transformation

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    Blog Post
    ...fluorescent (YFP, GFP, CFP, RFP, etc.) or affinity tags (HA, FLAG). There are also a variety of plant selection...putative T1 transformants: When your T1 is on soil and has recovered from the stress of selection you can clip...cell fate maintenance in the stomatal lineage and has made countless transgenic plants in the process. ...
  23. Analyzing CRISPR Editing Results with ICE from Synthego

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    Blog Post
    ...Synthego’s blog. CRISPR-based genome engineering has revolutionized the gene editing field by making experimental...often under-appreciated or over-looked.  Synthego has developed a new tool called ICE (Inference of CRISPR...increased flexibility and scalability, the ICE software has two analysis formats: sample by sample analysis, ...
  24. Plasmids 101: Secondary Nanobody Toolbox

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    Blog Post
    ... a primary antibody. B) Each arm of the antibody has an antigen binding site for a total of 2 binding ...  Express the Nanobody In Bacteria: Table 2 also has a link to the plasmid you’ll need to express your...refers to the number of cysteine sites the nanobody has available for conjugation to a specific label (see...
  25. Plasmids 101: Shuttle Vectors

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    Blog Post
    ... codon table — a chart every molecular biologist has seen before, showing how DNA sequences are translated...lost from the population. A bacterial chromosome has a single origin of replication (ori), where DNA replication... you. Besides the risk to the researcher, Zeocin has been shown to cause mutations even in cells with ...
  26. Hot Plasmids: Winter 2025

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    Blog Post
    ...studying mEPSPs has been possible with conventional electrophysiological methods, it has remained difficult...editing (PE), initially developed in human cells, has been uniquely challenging to apply in dicotyledonous...
  27. Production of Virus in Insect Versus Mammalian Cells

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    Blog Post
    ...depending on the virus. AAV has a packaging capacity of ~4.7 kb, while lentivirus has a capacity of 8–10 kb...., or reagents and equipment. Hopefully this post has provided some insight on these differences in viral...
  28. Magnetic Control of Proteins: More than a Dream

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    Blog Post
    ...et al., 2016; Duret et al., 2019). But the field has sometimes seen controversy, and the interactions ...yet to be demonstrated (or invented), its behavior has already been successfully reproduced by several other...tools. And, since MagLOV’s parent protein AsLOV2 has already been adapted into a variety of optogenetic...
  29. Viral Production at Addgene

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    Blog Post
    ...Addgene has a growing catalogue of viral preps available to request. In this post, we’ll walk you through...below. AAV Production AAV distributed by Addgene has been produced either in-house by Addgene scientists...tested for mycoplasma contamination. To date, Addgene has never had a case of mycoplasma contamination. In ...
  30. Getting to Know Expansion Microscopy

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    Blog Post
    ... its introduction in 2015 by the Boyden Lab, ExM has been steadily growing in popularity with an abundance...target concentration during expansion. One group has found that using Fab fragment secondaries, rather...experimental approaches. Since it arrived on the scene, ExM has helped researchers gain a deeper understanding of...
  31. CRISPR 101: RNA Editing with Cas13

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    Blog Post
    ...your research. RNA editing advantages RNA editing has multiple advantages over more traditional DNA editing...will preferentially edit an adenine if the template has a cytosine mismatch at that position. PspCas13b-...edited.   As discussed above, the ability to edit RNA has multiple advantages, including reversibility and ...
  32. MXS Chaining

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    Blog Post
    ... cloning. MXS Chaining is one such technique and has been used to produce complex fluorescent reporter...using the newly generated MCS. MXS-chaining also has the advantage of being directional, meaning that ...culture systems (their original goal). Their work has demonstrated that the MXS-chaining method can be ...
Showing: 401 - 440 of 877 results