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Showing: 161 - 180 of 816 results
  1. Antibodies 101: ChIP

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    Blog Post
    ...  If you’re working with a tissue sample, you’ll need to homogenize your sample before moving on to the...homogenizer, but bone or especially fibrous tissues may need extra steps.  Fragmenting  The next step is break... chromatin.  Whichever method you choose, you’ll need to reserve a small aliquot, split into two parts...antibody-bound samples. With a bead method, you’ll need to ensure you have a bead-only control alongside...Capturing), if you ask me.  Each of the three steps need to be optimized for each specific sample type. And...optimization of another. For instance, a sample may need more or less cross-linking to firmly attach the ...output assay. A longer sonication time could mean needing to increase crosslinking to counteract the effects...
  2. GCE4All: Making Genetic Code Expansion Accessible

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    Blog Post
    ...while the technical skills needed to perform GCE are essentially those needed to make site-directed mutagenesis...requirements of use. First, and most obviously, you need a non-canonical amino acid, which is usually added...the media for uptake by the cells. Second, you’ll need tRNAs and tRNA synthetases specific to the ncAA ...cells via plasmid. Third, a second plasmid will be needed to introduce the gene of interest containing the...including media, cell type, and growth temperature) may need to be individually optimized for each of the three...leading to system-wide effects. And on top of that you need to worry about getting high enough expression of...protocol, to optimize and share, they’re soliciting feedback from scientists on which protocols would be broadly...
  3. Developing Lab Management Software for Biology

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    Blog Post
    ...functioning lab, but it is for a scaleable lab. When you need to track the location, quality, growth, and legal... In order to get a plasmid to your lab bench, we need to (this is a little simplified): Find the appropriate...require starting over entirely, and our software needs to handle these cases. The following code examples...we’re sure our techs could figure it out if they needed to, they’d have to individually keep track of any...whole procedure. Other steps fail “soft” they simply need to be repeated. We also now have a good interface...easier, the time and capital cost of getting up to speed with a setup is almost always worth it. Because ...and tube model, we can interchange them easily as needed. In this case, the physical considerations of the...
  4. Lab Automation at Addgene

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    Blog Post
    ...single channel pipettes. These can speed up any project in which you need to do a lot of aliquoting. Simply...throughput DNA preps and other molecular work if we need it to. This gives us the oppotunity to use the FXP...to in live bacteria. For these shipments, we’ve needed to find a way to purify DNA from many bacterial...Universal Platform and it suits our plasmid prepping needs perfectly. Working with Qiagen, we developed a protocol...and can be easily programmed for a variety of lab needs. Addgene uses it to fill as many vials as it can...amount of agar. There is a tube that goes from the needle to the flask with agar in it. The agar sits on ...program the pipette with how much total sample you need and the volume of the smaller aliquots you’d like...
  5. PCR Applications for Copy Number Variation Assays

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    Blog Post
    ...an option to all researchers. Accuracy needed Do you need to call exact copy numbers or just general...partitioned into thousands of reactions, it does not need to be run in triplicates. ddPCR is an extremely ...experiment. You’ll have to consider:  Resources needed Most molecular biology labs and departments will...general trends? How confident do you need to be in your determination to move forward with your experiment... that provides you confidence in the results you need.  Whichever method you choose, resist the temptation...Muhamad, 2011). Ambiguous Taqman or ddPCR results need to be rerun in order to be called accurately, and...likely to find an application that matches your needs. Happy quantifying!  References and Resources More...
  6. How to Be an Excellent Trainee

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    Blog Post
    ... mind helping me with….” vs. “I need help with…now”. Ask for feedback so you can make adjustments. This...information plus your mentor will get you up to speed easier and faster when you’re an active participant...t be afraid to ask your bench mentor if/when you need to double-check a detail! Training follow up After...then plan accordingly in case you have questions or need a little assistance at some point during the procedure... day. In the latter case, you can say “I usually need time to gather my thoughts, but always have questions...learns where you are at and the level of support you need from them, and you can understand the information...are polite, appreciative, and clear about their needs. Remember, your bench mentor’s training time is ...
  7. An Inside Look into Addgene's Dev Team

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    Blog Post
    ..., we need to research and hopefully find a comparable library if it’s gone stale or we will need to update...flexibility to adapt and easily respond to changing needs of the teams at Addgene. Another advantage of Scrum...while thinking through these steps, we discover we need additional information. It is quite possible that...time efficiently. While writing the code, we may need additional clarification and again we collaborate... buying a bag of flour is not the only thing you need to make a cake. The flavor, shape, and texture of...today that prints labels. These libraries in turn need to stay up to date with their third party libraries... to Modern Greek. Books written in Ancient Greek need to be translated into Modern Greek to be easily ...
  8. Healthcare Consulting: A Door to the Business of Life Sciences

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    Blog Post
    ...based on its market need and anticipated commercial success. Or the client might need help with the intricate...client may offer a lot of pointed feedback or abruptly change needs and expectations. Such situations ...doing it. I’ll also talk about the skills you’ll need to do well as a healthcare consultant and what you...Medical Affairs, and Commercial teams, reflecting the need for all parts of a company to collaborate whenever...especially challenging. For instance, the client might need to get a large amount of market research done to... fulfilling career solving hard problems or who needs a stepping-stone to many other opportunities. Many...
  9. CRISPR 101: Multiplex Expression of gRNAs

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    Blog Post
    ...with the simplest multiplexing situation: you only need to express two gRNAs at the same time. One system...scale up the number of gRNAs in your plasmid, you’ll need to use some assembly methods such as Golden Gate...step is necessary to generate all of the overhangs needed for the final ligation step. Plasmids are then ...pX330A-1x6. This customization means you don’t ever need to clone in filler sequences. To build your multiplexing...with the kit. Oligonucleotides specifying the gRNA seed sequence should be compatible with type IIS enzyme...above, this vector does not contain Cas9, so you’ll need to supply it with another plasmid.   Figure...fast protocol, with only 5 hours incubation time needed for a single round of editing, and a subsequent...
  10. IDP and your PI: A Roadmap for Career Planning and Personal Development

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    Blog Post
    ...these meetings is to give honest, constructive feedback, set tangible research and career goals, and celebrate...development through thoughtful planning and honest feedback DePace’s yearly planning meetings revolve around...accomplishments, research/professional goals and feedback. Calendar: Month-by-month look at the next... year, including major project goals and effort needed to complete them. These documents dictate the subject...trainee leads the conversation. As the conversation proceeds through the various sections, the trainee speaks...Supervisors Management for Scientists: Seeking Feedback Management for Scientists: What Makes a Good Manager... feedback...
  11. CRISPR 101: Validating Your Genome Edit

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    Blog Post
    ...target cells and the desired edits. First, you will need to know what the ploidy of your target site is. ...line, so it’s important to verify that you won’t need to screen hundreds of clones looking for your edit...This way you can ensure you aren’t looking for a needle in a haystack before going on to generate and screen...then a single, bulk validation may be enough to proceed with your experimental plan. Validating knockout...generate your knockout? Then you’re in luck! You don’t need to sequence your PCR to visualize an edit. Most ...clones, however, sequence confirmation is still needed to verify the correct sequence was inserted or ... edited cells. As with all other methods, you’ll need to further validate the specific mutations using...
  12. Transferable Skills Guide: Time Management

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    Blog Post
    ... and by offering advice on areas where you might need some help. Today in our transferable skills guide...something like, “I’ll be there in a few minutes, I just need to split some cells.” Inevitably, this task would...techniques of your own, but if you ever find yourself in need of a few ideas, I hope you’ll find this post useful...the energy to finish any additional work you might need to do. In most cases, I would recommend the second...outset of a task, I outline the activities that are needed to accomplish these goals. Practically speaking... remind myself of the specific activities that I need to work on. Throughout the day, I cross items off...they are accomplished or I add to the list as the need arises.Why do I write things down? It’s more viscerally...
  13. Tetbow: Bright Multicolor Labeling for Neuronal Tracing

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    Blog Post
    ...Fluorescent proteins are very stable in SeeDB2. However, SeeDB2 is not powerful enough for large brain ...2014), before clearing with SeeDB2. For more information, visit our SeeDB Resources website. We update...proteins were best imaged after tissue clearing with SeeDB2 (Ke et al., 2016, 2018).   How to use Tetbow for... for High-resolution fluorescence imaging using SeeDB2." Bio-Protocol 8 (2018): e3046. Livet, Jean, et...Ultrafast tissue staining with chemical tags." Proceedings of the National Academy of Sciences111.36 (2014...
  14. 5 Uncommon Ways to Gain Career Skills During an Uncommon Time

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    Blog Post
    ...classmates! Your mentors don’t need to be more senior or more “important”, they just need to know you well enough...you are more desperate or needy so you can’t wait until you imminently need a job. Start now. Informational... group We don’t all get the mentoring support we need, and most of us could use more mentors to listen...any science career, there will be a time when you need to speak publicly to communicate your work. One ...career options. 5. Write a grant - even if you don’t need one A lot of science in academia and not in academia...
  15. Antibodies 101: Epitope Availability

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    Blog Post
    ...may only need to validate on denatured proteins or on live cells. But for others, you may need to validate...well-organized, documented, and easy to find (though we might need to see it to believe it.) As you browse the collection... affect its configuration. You don't necessarily need to know where the epitopes are, just if the available...selected an antibody, or multiple antibodies, you’ll need to validate them for your protein and its configuration...configuration in your assay. For some assays, you may only need to validate for recognizing the protein following...designing your controls in validation, as you may need to test different configurations and conditions ...
  16. 27 Hot Plasmids from 2016

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    Blog Post
    ...individual target species. Indeed, in order to use MAGE, the λ Red recombinase enzymes need to be expressed and... easier for you to find and use the plasmids you need. You can find all the hot plasmids from 2016 below... kit Synthetic and basic biologists alike often need to test multiple expression systems before they ...digest and Sanger sequencing, respectively. The speed and simplicity of GMAP allows scientists to easily...native methyl-directed mismatch repair (MMR) system needs to be repressed in the host strain. To address this...variety of new compounds being generated, there is a need for genetic optimization of industrial yeast strains...supplied as annealed synthetic oligos - eliminating the need for PCR or additional molecular cloning steps during...
  17. Plasmids 101: Sequence and Ligation Independent Cloning (SLIC)

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    Blog Post
    ...polymerize, allowing the slower exonuclease activity to proceed. By including only one type of dNTP in the reaction... can decide exactly how far the T4 exonuclease proceeds: at the first occurrence of the chosen nucleotide...if those overhangs perfectly match up. They just need enough complementary ssDNA to hold the plasmid together...ways. One option, imprecise T4 digestion (no dNTPs needed), allows both insert and vector to be digested ...incomplete PCR — although higher DNA concentrations are needed for this method to be successful. Low DNA concentration...approaches require higher concentrations of insert to succeed. 5′ overhangs are generated in the linearized vector... you can assemble multiple fragments without the need for specific restriction sites or DNA ligase! This...
  18. A Quick Guide to a Career in Software Product Management

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    Blog Post
    ...external stakeholders to learn more about their needs and any problems that they are trying to solve. ...test the solutions with the users, gather more feedback, and start the cycle over again to refine the ...software possible. Similarly, when the developers needed to know information from the lab folks, it was ...with our software or devices, and anything they may need to help improve their work. Then, I distill and ... well as the developers. Lastly, you’re going to need to be a problem-solver. A lot of the time, the problem...clear, but the solution is more complicated. You’ll need to be creative to be able to work with others to...strong relationship-building and influence. You’ll need a large deal of influence and strong relationship-building...
  19. Transferable Skills Guide: Public Speaking

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    Blog Post
    ...answer the question, you need only to take that step. Repeat that as often as needed until you get to the ...calm: “Excuse me, I seem to have lost my place. I need a minute.” I then pulled out my notebook, opened...presentation will be better if you take time when you need it, rather than trying to push through a state of... deck gets uploaded. Your mic emits screeching feedback. You’re muted on Zoom. Your video conferencing...telling yourself, “I can stop and check my notes if I need to,” or “It is okay if it doesn’t go perfectly,”...group of peers who are there to provide critical feedback, often with a semi-international audience or not...
  20. Plasmids 101: The protein expression toolbox

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    Blog Post
    ...it off? Turn it down, but not forever? You don’t need to resort to the force to control protein expression...off, tunable, and/or inducible? How long do you need control? Will temporary control (a few days) be ...interest. CRISPR-Cas9 and a custom gRNA is all you need to generate a frameshift mutation that will permanently...permanently ablate protein expression. If you need the ability to control when you turn off expression ...you would like. Check out our promoter blog if you need help choosing. Viral expression is another mechanism...exogenously introduced proteins, as many of them just need a special promoter or tag prior to introduction ...endogenously expressed protein, then these systems need to be site-specifically knocked in. This can be ...
Showing: 161 - 180 of 816 results