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Showing: 241 - 260 of 816 results
  1. Gendered Innovations: Why Does Sex of the Cell Matter?

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    Blog Post
    ...Researchers need to learn sophisticated methods of sex and gender analysis. Universities need to incorporate...research that fails less and helps more people, we need to take sex into account. Gendered Innovations is...Especially in animal research, they worry about needing more study subjects and control groups. The important...these methods into their curricula. Corporations need to integrate these insights into product design....
  2. Lighting Up Cell Signaling with Photoswitchable Kinases

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    Blog Post
    .... 2. Studying negative feedback loops of signaling pathways Negative feedback loops are a common feature...kinase activity. Zhou et al studied the negative feedback on endogenous MEK1/2 phosphorylation by creating...PP1/PP2A is responsible for this MEK1/2 negative feedback. 3. Studying signaling pathways in vivo Expressing...possibly be used in other model systems, but they need to be expressed in a tissue or organism that blue...
  3. Career Coaching for Scientists: Why and Where Do I Find One?

    Type
    Blog Post
    ...finding a good one that is a style match for your needs can take some research.  It helps to spend some ...Take advantage of this to get the information you need to choose well. What are their qualifications? ...can't tell you which one will be a match for your needs, but here are a number I have come across for you...is Bridging Science and Business. Maybe you just need help getting through your PhD? Some coaches focus...matching with the best person in the group for your needs. Beth Schachter of Beth Schachter Consulting is ...
  4. Progress Towards a PAM-Free CRISPR

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    Blog Post
    ... where you need it, the odds of this occurring are not in your favor. Thus, there is a need to eliminate...correction of disease-causing alleles, and the growing need for gene editing in research, the old PAM constraints...advantageous in today’s genome editing landscape. The need for PAM-less editing   Guides for CRISPR are typically...you are trying to knock-in a patient mutation or need to make a precise amino acid change, there is very...
  5. High Complexity Golden Gate Assembly with NEB’s DAD

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    Blog Post
    ...rules didn’t need to be strictly followed in order to generate high-fidelity reactions. (Need a refresher...redesign individual pieces as needed to improve fidelity. NEBridge GetSet Need a set of overhangs, stat? ... to 6-8 overhangs, the data-driven approach was needed to massively expand complexity. The three tools...
  6. Meet an Addgenie: Insights into Grad School, Career Paths, and More

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    Blog Post
    ...variety of different career paths that don’t all need another degree, he advised me, “a master’s degree... where you want to go in your career you may not need those doors to be opened.” Addgenie Eric Perkins...assistant, when her life changed––she had a daughter. Needing a career switch because of the demanding hours ... the bench, the change gave her the balance she needed. It is incredibly helpful to me to know that you...like being with the people and for the people, feeding the people, and making them get outside of their...
  7. Educational Planarian Tools for Teaching Developmental Biology Techniques

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    Blog Post
    ... Sánchez lab protocol, dsRNAs are delivered by feeding them to planarians. Depending on which planarian...and mix the purified dsRNA with liver paste, and feed the mixture to the worms. The phenotypes of RNAi...treatment should be apparent after three dsRNA feedings. Some of the phenotypes are not evident until ...published protocols and want to share pictures, feedback etc. please write to [email protected] ...RNA inhibits gene expression in planarians." Proceedings of the National Academy of Sciences 100.suppl...
  8. Story of a SynBio Startup: RevBio's Epiphany (or Lack Thereof)

    Type
    Blog Post
    ...student, she had less pressure to publish and more freedom to attend conferences, but after receiving her ...money is a drop in the bucket against the funds needed to build a flower that changes color, but the experience... us the chance to develop the technology we will need, and the business training to make the most of it... to do. It’s exhilarating to have that sort of freedom. It can also be overwhelming – there is so much...partners in this accelerator program who want us to succeed. We’re excited to see what the next few months ...
  9. Tips for a 1st time AAV user (by a Rookie AAV user)

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    Blog Post
    ...while also summarizing the basic steps and analyses needed for packaging AAV. AAV production Overview: The...HEK293 cells with AAV packaging plasmids. The cells need three different plasmids to produce AAV: 1) the ...this process takes 4-7 days, not counting the time needed to expand the HEK293 cells. Check out the Addgene...experiments, so I always make more AAV than I think I need. Unlike lentivirus, AAV requires a higher number...phases mixed together. Lastly, the PEG solution needs to be sterilized, either by filtration, which takes...
  10. Plasmids 101: 5 factors to help you choose the right cloning method

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    Blog Post
    ...important factors to consider for any experiment are: Speed Cost Difficulty Efficiency For cloning in ...Additional Resources” section at the end of the post! Speed: Your grant deadline is approaching or your advisor...also be a great choice, because the T4 polymerase needed for this method is relatively inexpensive and can...generating the appropriate inserts by PCR, there is no need for restriction digests, gel purifications, or ligations... involved with cloning, you would at least be guaranteed a successful result? While there are never any...
  11. CRISPR 101: Mammalian Expression Systems and Delivery Methods

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    Blog Post
    ...will also need to deliver a donor plasmid or single-stranded DNA oligonucleotide, so you will need to make...with any experiment, there are many factors that need to be considered during the planning process. For...appropriate expression system and delivery method: Do you need stable integration or is transient expression sufficient...steps is to identify what CRISPR components you will need to deliver. Minimally, one or more sgRNAs and Cas9...
  12. Plasmids 101: Choosing an Antibiotic Resistance Gene

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    Blog Post
    ...applications and needs. The more niche and specific your needs are, the more you may need to pay attention...Plasmids need antibiotic resistance genes so that you can specifically isolate bacteria containing your...integration of resistance genes in their genomes. If you need a plasmid that can go between plants and bacteria...
  13. Plasmids 101: Colony PCR

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    Blog Post
    ...the insert. Orientation-specific primers: If you need information about insert orientation, then you might... The more background, the more colonies you will need to screen.   Saving clones for later culture: ... as the template for your PCR reaction. You just need to lyse the bacteria to release the plasmid DNA ... will greatly reduce the number of clones you’ll need to send for sequencing, but won’t tell you if your...sequencing to verify the insert sequence before proceeding with your experiment. Shorter amplicons tend...
  14. SciComm: Taking Science to Elementary and Middle Schools

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    Blog Post
    ... but as a scientist. When our elementary school needed a new coordinator for the annual Math & Science...questions elementary students can ask. It doesn’t just need to be people who think of themselves as “scientists...on Twitter, where I was able to get some great feedback from teachers and other science communicators....grade science teachers with whom I worked, for feedback on my presentation, she said “it was such a valuable...Middle School for their tremendous guidance and feedback. Additional resources on the Addgene blog Browse...
  15. Plasmids 101: Protein tags

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    Blog Post
    ...protein tags. Biochemists and molecular biologists who need to overexpress and purify proteins can face any ...are being spent to make something the cell doesn’t need to make. Eukaryotes and some bacteria deploy proteosomes...purification with amylose, but wicked huge Myc EQKLISEEDL  1.2 Affinity Frequently used for western blots...Frequently, a single tag is not enough. What if you need one tag to increase solubility and one tag for purification...other proteases are available, but scientists would need to incorporate their recognition sites into their...
  16. Tips for Writing a Good Cover Letter

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    Blog Post
    ...and helpful feedback!  What if I’m not a good writer? That’s okay! Your cover letter needs to be coherent...you are job searching, you may be wondering if you need to go to the effort of writing a cover letter. After...free of typos and grammatical errors. It does not need to be a literary masterpiece. For most jobs, the...make the connection between your skills and the needs of the job. Make it clear that you are interested...
  17. Antibodies 101: Beyond Surface Labeling

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    Blog Post
    ... the fluorescence signal intensity. However, you need to be careful when selecting the primary antibody...cells, and dendritic cells. In this case, we simply need to label the lineage markers of all cell types except...proteins alongside the intranuclear ones. You do not need to use a separate fix/perm cytosolic procedure in...   Figure 3: For intracellular labeling cells need to be fixed and permeabilized prior to incubation...Proliferation dyes can visualize proliferative capacity and speed of cells. (a) With each division half of the dye...
  18. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas

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    Blog Post
    ...done at one constant temperature, eliminating the need for thermocyclers. This is followed by in vitro ...-minute incubation  Time: ~90 minutes Equipment needed: 37°C heat block, LED blue light illuminator or... the Cas protein used. Here, all the components needed for the reaction are mixed in a single, one-pot...paper, likely approximately 1-2 hours Equipment needed: Mini PCR machines by DIY-Bio, P51 cardboard fluorescence...Time: Not mentioned, likely ~1-2 hours Equipment needed: PCR machines/Heat blocks, Lateral flow strips,...
  19. Targeting HIV-1 with CRISPR: Shock and Kill or Cut it Out?

    Type
    Blog Post
    ...infected cells. To truly cure HIV-1, researchers need to vanquish these hidden viral reservoirs, and CRISPR...off-target effects. In such a therapy, CRISPR/Cas9 would need to 1. excise the HIV-1 genome from every infected...sequence-specific binding. Patients’ HIV-1 genomes will need to be sequenced to determine the optimal gRNAs for...excision approaches, and each of these gRNAs will need to be validated for high on-target binding and low...evolve resistance to CRISPR therapies through PAM or seed sequence mutations. Multiple gRNAs could be used...
  20. Deep Mutational Scanning with One Pot Saturation Mutagenesis

    Type
    Blog Post
    ...practical limitation is sequencing depth and cost. You need at least 100-200 reads per variant, so the more ... one library, the more sequencing reads you will need. See Fowler et al for more details on how to determine... work for the one-pot mutagenesis method. There needs to be a BbvCI site present in the backbone. Does...formed will be sense. Therefore, mutagenic oligos need to be anti-sense so they will anneal to the template...If the sites are in opposite directions, you just need to use a plasmid with BbvCI restriction sites in...
Showing: 241 - 260 of 816 results