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We narrowed to 996 results for: ran

Showing: 581 - 600 of 996 results
  1. Is this the right place for me? 8 tactics for choosing a lab

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    Blog Post
    ...the department? Are they successful at getting grants and funding? Beware of bullying Your mental health...careers?    Will you be encouraged to develop transferable skills by attending career events or being involved...your aspiration? Will you help or at least observe grant writing? Get equipment quotes? Understand administrative...consider less expensive, portable areas of research (transgenic mice—out, zebra fish—in) Team attitude vs. dog...resources on the Addgene blog Check out our transferable skills guide Learn about careers in science ...
  2. A Control for All Seasons

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    Blog Post
    ...across samples and equal protein transfer from the gel to the membrane. A loading control is critical for...identically, used to assess naturally occurring random biological variability. If one were studying the...purple) and nonspecifically through the Fc region (orange). The Preimmune serum control will not bind to .... Always probe the loading control on the same membrane that the target protein was measured on.    Flow...
  3. Mycoplasma Contamination: Where Does It Come From and How to Prevent It

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    Blog Post
    ..., and effective for wide range of mycoplasma. These methods cannot guarantee complete removal of mycoplasma...the media after autoclaving hence, there is no assurance of the serum being contamination free. The aerosols...commonly infecting mycoplasmas are used. A broad range of primers encompasses almost all the infecting ...filters, for media filtration. There is no 100% assurance that this process can avoid contamination but ...
  4. Antibodies 101: Antibody Engineering and Directed Evolution

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    Blog Post
    ... have a specific mutation in mind. Generating a random library of mutants using error-prone PCR might ...metal cofactor and the dNTP ratio. The resulting random errors can give you new and unexpected sequences...a DNase. Then you run a PCR without primers to randomly anneal and extend the DNA fragments, followed ... have a full-length antibody sequence, but with random combinations of the different sections. Structure-guided...acs.chemrev.1c00260 Wilson, D. S., & Keefe, A. D. (2000). Random mutagenesis by PCR. Current Protocols in Molecular...
  5. Addgene Stands with the Scientific Community

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    Blog Post
    ...collaborates with NIH-funded researchers and utilizes grants to support our own initiatives, Addgene is deeply...developments. These abrupt changes threaten to slow transformative biological discoveries and life-saving medical...archiving their biological materials during funding transitions. Enabling resource sharing: Our operating model...services can be listed as direct costs from a CRO in grant applications, addressing the new funding structures...
  6. What's New in CRISPR - Winter 2018

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    ...Find the anti-CRISPR plasmids Tagging human transcription factors with GFP Kevin White’s lab recently ...deposited a set of CRISPR plasmids to tag human transcription factors with GFP. As part of the Encyclopedia...these donor plasmids will help researchers map transcription factor localization and binding via ChiP-seq...ChiP-seq. Learn more about ENCODE Find the transcription factor tagging plasmids If you have a new CRISPR...
  7. Download Science-Themed Zoom Backgrounds from Addgene

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    Blog Post
    ...and packaging plasmids as well as transfer plasmids. Download the orange lentivirus background.         ...our fluorescent protein background. Download the orange fluorescent protein background.           Did...px or 1080 px).         Do you do a lot of transformations with the plasmids you receive from Addgene?...
  8. How Exercise Purges Stress and Keeps Depression at Bay

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    Blog Post
    ...PGC-1a1, a transcriptional coactivator induced in skeletal muscle by exercise and endurance, protects ...have reported a mechanism based on studies of transgenic mice that helps to explain how it works. The ... skeletal muscle expression of kynurenine aminotransferases, to enhance the conversion of kynurenine into...
  9. Antibodies 101: Introduction to Antibodies

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    Blog Post
    ...weight by SDS-PAGE, and are subsequently transferred to a membrane. A primary antibody recognizing the protein...is added, and will bind to that protein on the membrane. Then, addition of a secondary antibody allows...showing GFP expression in cells that have been transfected with a plasmid encoding GFP. Actin, a common ...bind to proteins on the cell surface, or the cell membrane can be permeabilized to allow antibodies to bind...
  10. Our Most Popular Blog Posts from 2019

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    Blog Post
    .... Plasmids 101: Transformation, Transduction, Bacterial Conjugation, and Transfection by Alyssa Cecchetelli...editing. Using a fusion between Cas9 and reverse transcriptase and a prime editing guide RNA, it can introduce...
  11. What's New in CRISPR - December 2019

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    ...fluorescent tags in neurons. Their toolkit named ORANGE (Open Resource for the Application of Neuronal ...in neurons.  Read the paper in bioRxiv Find the ORANGE toolkit   Cas9/gRNA ribonucleoprotein delivery...delivery by lentiviral capsid-based bionanoparticle Transient expression of CRISPR/Cas9 in cells has advantages...for packaging Cas9/gRNA ribonucleoproteins for transient expression. They replaced the tetraloop of the...
  12. From our Table to Yours: An Inside Look at Lunch at Addgene

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    Blog Post
    ...at Addgene, and send random sets of 4 people out to lunch.   I think these random lunches would be a wonderful...-make-time-for-that” type projects. Cross-team “Random Lunches” With more employees, Addgene has naturally...Kamens, responded by starting something we call “Random Lunches.” Once or twice a year, she’ll mix up the...
  13. Year of the Camelid: Antibody Style

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    Blog Post
    ... tools for diverse applications. For example, RANbodies can be used as an alternative to conventional ...sdAbs were used to create GFP scaffolds for transcriptional activation.  sdAbs in the clinic sdAbs have...also been some interesting work done developing transgenic mice that express camelid variable domains (aka...Llamas Required - Synthetic Nanobodies Against Membrane Proteins More resources from addgene.org  Plasmids...
  14. Some Like it Hot: Thermostable GeoCas9

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    Blog Post
    ...). G. stearothermophilus grows at temperatures ranging from 30-74 °C, with an optimal growth temperature...or G) Spacer Length 20 nt 22 nt Temperature Range for Optimal Activity 35 - 45 °C 50 - 70 °C Genome...were incubated in reaction buffer at temperatures ranging from 25-80 °C. Activity is expressed as Kcleave...Harrington et al tested GeoCas9’s editing skills by transfecting HEK293 cells with GeoCas9 or SpCas9 RNP’s and...
  15. Addgene's a Nonprofit? Nonprofit Awareness Day 2017

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    Blog Post
    ...scientists and technology transfer offices trust us to work for them with full transparency. We don’t have to ...resources continuously raising money from donations or grants to fulfill their mission. Addgene is fortunate ...Natashia, Nicole, Olivia, Pamela, Racheal, Ramsey, Randall, Ray, Rebecca, Renee, Shannon, Susanna, Tenisha...
  16. Early Career Researcher Toolbox: Free Online Molecular Biology Tools

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    Blog Post
    ...sequences to sequences in a database ExPASy translation tool: Translates a DNA sequence using all six open reading...Annotates features, BLASTs, aligns, digests, and translates a sequence.   NEBCutter2: For finding restriction...information, such as expression patterns, post-translational modifications and polymorphisms Codon optimization...
  17. Hot Plasmids and Viral Preps - July 2021

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    ...B) Strategy for leak-free transcriptional control. C) Iterative transduction workflow overview. Image ... by integrating a SL-insensitive fluorophore (LSSmOrange) as an internal control and a SL-sensitive fluorophore...fluorescent biosensor has a high sensitivity (50 nM-500nM range) and a high specificity for SLs in vitro, and they...
  18. Behind-the-scenes of the Isolation of the Thermostable IgnaviCas9 From a Yellowstone Hot Spring

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    Blog Post
    ...ahead of time included contacting YNP staff to arrange permits to visit places not accessible to the public...night was fun but also very tiring. It feels a bit strange to be using a micropipette and gloves at a campsite...similar to a type II-C Cas9 from Parvibaculum lavamentivorans, whose optimal growth temperature is 30°C. ...rRNA in bacterial RNA-Seq. This enriches for transcripts of interest without an increase in the number...
  19. New and Upcoming Viral Vectors - Spring 2019

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    ... sensor AAV GABA is the primary inhibitory neurotransmitter in vertebrates, but methods for directly imaging...GABA sensor (pAAV.hSyn-FLEX.iGABASnFR) has good membrane localization and brightness. The F102G variant... through imaging. Since it’s illuminated by red/orange light, Archon1 can also be used in conjunction ...pAAV-Syn-FLEX-rc [Archon1-KGC-GFP-ER2]) of this membrane-embedding voltage detector. Find Archon1 and its...
  20. New and Upcoming Viral Vectors - December 2019

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    ...expression, researchers often need to determine these transduction patterns empirically for their own experiments...calcium dynamics that govern such activities as neurotransmitter release is vital in studying neural networks...GP-AAV-CAG-FLEX-jGCaMP7s-WPRE 105714 AAV8 pAAV-Ef1a-fDIO-GCaMP6s Neurotransmitter sensors: Dopamine and norepinephrine Neuroscience...research relies on accurate monitoring of neurotransmitters and we are excited to offer AAV for the newest...
Showing: 581 - 600 of 996 results