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Showing: 441 - 480 of 905 results
  1. Celebrating 15 Years of Scientific Sharing

    Type
    Blog Post
    ...definitely not worried. I have confidence that from Business Development to Shipping we will execute any new...thanks to evolving outreach tactics, increasing business development efforts, and our London team. We show...Atlantic. We’ve been in documentaries in 3 languages (Japanese, German, and English) and even on 60 Minutes. ...dedication, flexibility, innovative thinking, and openness to team work.   Company culture Once in awhile...
  2. CRISPRainbow and Genome Visualization

    Type
    Blog Post
    ...Chen et al. successfully labeled protein-coding genes with both intronic and exonic gRNAs. In fact, the...of fluorescent puncta observed. By labeling two genes of a given chromosome simultaneously, they could...also monitor the spatial relationship of the two genes over time, at a range of distances from 2-75 Mbp...Plasmids Find Fluorescent Protein Kits Find Empty Backbones with Fluorescent Protein Tags ...
  3. All in a Twist: dsRNA

    Type
    Blog Post
    ...clinicians, researchers, and even farmers are harnessing these molecules for good. RNA:RNA dsRNA and ...exploited for antiviral purposes similar to that of vaccines. If you know the sequence of a virus, you could...dsRNA. Synthetic dsRNA Researchers have been harnessing the power of dsRNA for a long time, even before...complete. However, transcription of thousands of genes is constantly occurring throughout a single cell...
  4. It’s Bioelectric! An Exciting Interdisciplinary Field of Research

    Type
    Blog Post
    ...ion-pump encoding genes HCN1 KCNJ2 KCNJ13 GABRG1 KCNIP2 KCNQ1 Examples of some genes encoding gap junction...fluorescent protein. This GEVI features increased brightness and improved plasma membrane specificity. Stable...encoded, light-gated ion translocators to control tumorigenesis." Oncotarget 7.15 (2016): 19575. PubMed PMID...
  5. Gendered Innovations: Why Does Sex of the Cell Matter?

    Type
    Blog Post
    ...Science Foundation, and Stanford University—that harnesses the creative power of sex and gender analysis ...sex of their cells. For one thing, cells and cell lines degenerate over time—and sex can be hard to determine...indicating the sex of the most commonly used cell lines appearing in American Journal of Physiology-Cell...Engineering, and Environment—a project aimed at harnessing the creative power of sex and gender analysis...
  6. 5 Steps to Writing Grant Proposals for Grad Students

    Type
    Blog Post
    ...directions of the project, Outlines a detailed scope of specific aims, milestones, possible setbacks, and...will address these limitations and lead to new milestones in the field. Research strategy The Research...proposals consist of 3 to 5 aims, with secondary milestones to meet along the way to achieving each aim. ...
  7. Meet an Addgenie: Insights into Grad School, Career Paths, and More

    Type
    Blog Post
    ...in your career path and still find comfort and happiness there. Read all of the Meet an Addgenies features...Fabienne Furt, Addgene’s Associate Director of Business Development, got her PhD in Plant Biochemistry...she joined an investment club and discovered the business side of science, she stuck with it. Lab Manager...people, and making them get outside of their comfort zones. I came to Addgene with a goal to learn nonprofit...
  8. Corralling and Cornering the Goldilocks Antibody

    Type
    Blog Post
    ...that takes advantage of DNA sequencing to turn mAb clones into expression constructs to be conveniently modified...long-term solution to reproducibility and cost-effectiveness for broad and large quantity uses. We therefore...accuracy while screening. We also compare different clones of the same target to see if the results are the...primary antibody compared to negative control also determines the signal’s strength. Exposure time is the amount...
  9. A Look Back at One Year of Plasmid Sharing for COVID-19 Research

    Type
    Blog Post
    ...spike protein can be used for the development of vaccines and diagnostics (Hsieh et al., 2020). As the virus...diagnostic enzymes. Plasmids in this toolkit include ones for expressing MMLV reverse transcriptase and Taq..., from Addgene to better understand which human genes are important for SARS-CoV-2 entry into human lung... information on these plasmids and a behind-the-scenes glimpse of their work, head over to their blog ...
  10. 5 Tips for Troubleshooting Viral Transductions

    Type
    Blog Post
    ...cells, one may have the unfortunate experience of witnessing…nothing. For some unclear reason, cells are not...electrostatic forces between these two negatively-charged membranes (Davis et al., 2002). Polybrene is one such cationic...conditions for storage, transport and delivery." Japanese journal of cancer research 93.5 (2002): 598-603...receptor-independent virus adsorption on target cell membranes." Biophysical chemistry 97.2 (2002): 159-172. ...
  11. Tips for Titering Your Lentiviral Preps

    Type
    Blog Post
    ... such as LTRs, gag, WPRE, antibiotic resistance-genes, or the transgene itself. Many researchers prefer...that target the common features of viral vector backbones; once validated these universal primers can be...popular approach utilizes the antibiotic resistance genes carried on transfer plasmids. Target cells are transduced... for predicting gene transfer events." Genetic vaccines and therapy 2.1 (2004): 1. PubMed PMID: 15291957...
  12. The Scientific Conference Poster Session: Tips for Success

    Type
    Blog Post
    ...extra clips to hold up your poster, and pack a few business cards to tack up next to your poster. Arrive early... won’t know every answer – don’t hesitate to be honest and tell your audience just that. Explain what ...around the posters and read the titles to find the ones you’d like to revisit. Strategically traverse the...with the presenter after the session. Exchange business cards or jot down their name and affiliation from...
  13. Tips to Make the Most of a Scientific Conference

    Type
    Blog Post
    ...and prepare business cards. You might not consider being a student or postdoc a “business,” but having...having business cards is a good way to share your information quickly. During the conference Arriving at the...myself like meet ten new people each day. Exchange business cards. When you’re done networking for the day...
  14. Starter guide to induced pluripotent stem cells (iPSCs) part 1:  A renaissance in regenerative medicine

    Type
    Blog Post
    ...cells by the ectopic expression of four embryonic genes- OCT4, SOX2, KLF4, and C-MYC. iPSCs were first generated...C.A., et al., Derivation of embryonic stem-cell lines from human blastocysts. N Engl J Med, 2004. 350(...Laser-assisted derivation of human embryonic stem cell lines from IVF embryos after preimplantation genetic diagnosis.... Yu, J., et al., Induced pluripotent stem cell lines derived from human somatic cells. Science, 2007....
  15. xCas9: Engineering a CRISPR Variant with PAM Flexibility

    Type
    Blog Post
    ...H840. To ensure that the clones were capable of cleavage, they tested the clones against an NNN PAM library...mutants with PAM flexibility. In this system, the mutagenesis plasmid (MP6) permits quick, large-scale mutation...variants recognizing multiple PAMs should have a fitness advantage over proteins with single PAM recognition...
  16. Transferable Skills Guide: Managing a Team

    Type
    Blog Post
    ... do everything as I planned and I was missing deadlines - which puzzled me because I could do all these...basis! The silence and maybe even the slight awkwardness can spur people to speak up. Once aware of the...to be!  References Becoming the boss. Harvard Business Review, January 2007. Three Rules for Managing...  Are Good Managers Born or Made? UPenn Wharton Business School Blog Additional Resources on the Addgene...
  17. Transferable Skills: Negotiation

    Type
    Blog Post
    ...wearing a lab coat, but instead by people wearing business suits discussing multimillion dollar contracts... or coursework. First, you have to develop an awareness of when you are negotiating. Then take a moment...situation instead of just extra work for them? As a business development analyst, I negotiate with global organizations...professor or signing contracts when working for a business development team, negotiation is a key transferable...
  18. Hot Plasmids and Viral Preps - May 2021

    Type
    Blog Post
    ...scanning By Seth Kasowitz As multiple antibody-based vaccines are deployed around the world to combat severe...immunoprecipitate the entire complex in three different cell lines. The Gräslund lab plans to continue their work by...CRISPR-based lineage tracing tool captures rare clones that represent 0.001% of the population.  Because...CRISPRi library - Ampl133 targets S. cerevisiae genes with 6-12 guides per gene where gRNA expression ...
  19. Fluorescent Proteins 101: Fluorescent Protein Timers

    Type
    Blog Post
    ...knowledge of protein structure and saturation mutagenesis. mK-GO matures from green to red, and the FT ...absorption spectra). Subach et al’s directed mutagenesis also produced the three separate timers shown... al. Protein Excitation (nm) Emission (nm) Brightness pKa Maturation Plasmids Fast-FT 403 (blue),...Protein Timers Browse All Fluorescent Protein Empty Backbones Check Out Our Fluorescent Protein Guide ...
  20. The AAVantages of AAV in CRISPR Screens

    Type
    Blog Post
    ...molecular biology toolbox to identify new target genes for drug discovery or to understand the intricacies...the targeting of hundreds to tens of thousands of genes with minimal effort. The versatility of Cas effectors...constraining for some experiments, particularly in vivo ones. In those cases, AAV vector screens may be AAVantageous...). Next-generation sequencing (NGS) to identify genes of interest. Figure 1: Overview of in vitro...
  21. Antibodies 101: Flow Compensation

    Type
    Blog Post
    ...other, you should be able to draw perpendicular lines that intersect your populations. If you see a diagonal...needs to be shifted, consider your perpendicular lines. In this case, the population on the left is a horizontal... Inputting compensation values differs between machines or the program you’re using, but usually you can... the plot. However, because we can see straight lines in the populations in the other corners of the dot...
  22. Drew Endy Introduces the Biobrick Public Agreement Plasmid Collection

    Type
    Blog Post
    ...forward-engineering the central dogma across many genes simultaneously. These parts have been carefully ...used over and over again in combination with novel genes to get very precise expression levels. The BIOFAB... for someone to forward engineer a system of 10 genes. You can now forward engineer a 10-gene system to...our testing of these parts that the chance your genes will be expressed at the level you want is 93 percent...
  23. A Guide to Starting Your Own Journal Club

    Type
    Blog Post
    ...recurring journal clubs on Immunology and Microbial Pathogenesis that occurred once a week for several months...of the discussed topic, and level of general busy-ness will most likely the primary drivers of frequency...attendance slumps below a certain level or interest wanes off such that attendees are not actively participating... with any recurring meeting, a journal club’s usefulness should be continually evaluated and assessed ...
  24. Isolating Genomic Regions of Interest with the CRISPR System

    Type
    Blog Post
    ...Transgenic mouse lines expressing the 3x FLAG‐dC as9 protein for enCh IP analysis." Genes to cells 23.4 ...technology using recombinant CRISPR ribonucleoproteins." Genes to Cells 21.4 (2016): 370-377. PubMed PMID: 26848818...interactions between genomic regions by enCh IP‐Seq." Genes to Cells22.6 (2017): 506-520. PubMed PMID: 28474362...
  25. Summer SciComm Series: Modes of Communication

    Type
    Blog Post
    ...Easy to host guests remotely. Easy access from smartphones with low data requirements.  No visuals. Variety... audience interpretation. Infographics Low Combines both words and images; especially useful for conveying... to be staffed. Mixed Media Medium to high Combines pros of multiple channels/balance out cons. Flexible...in multiple ways from the same experience.  Can combines cons of multiple medias. Switching from one media...
  26. Antibodies 101: Producing Recombinant Antibodies

    Type
    Blog Post
    ...system, cell lines typically used include Human Embryonic Kidney (HEK) cells and Chinese Hamster Ovary... depending on whether the heavy and light chain genes are contained to one plasmid or if they’ve been ...have multiple contaminating bands or a few strong ones, consider increasing the number of washes performed...
  27. Ligation Independent Cloning

    Type
    Protocol
    ... and may provide counter-selection for negative clones as in the example shown here. The manufacturer ...
  28. Binning Singletons: Tackling Conference Networking When You Don’t Know Anyone

    Type
    Blog Post
    ...inspiration  I look back at the meeting with such fondness, knowing that, as a 38 year-old with many years... that only appear once) in our analysis. Many pipelines toss these singletons out, and there is healthy...Finding mentors for the meeting Just like analysis pipelines for DNA that group similar sequences together ...bacteria of different evolutionary lineages share genes that can improve chances of survival for an individual...
  29. Neuronal labeling with Spaghetti Monster

    Type
    Blog Post
    ...with the development of methodologies to deliver genes to the CNS have recently made it much easier to ..., and the long-term expression of AAV delivered genes. AAV serotypes have been extensively studied in ...experiments with tag-specific antibodies. The most famous ones are influenza hemagglutinin (HA), myelocytomatosis...been used to visualize “thorny excrescence” (TE) spines in the Hippocampal CA3 pyramidal neurons which ...
  30. Analyzing CRISPR Editing Results with ICE from Synthego

    Type
    Blog Post
    ...ice.synthego.com. We rigorously evaluated the effectiveness of the ICE tool by analyzing thousands of edits...performed over multiple experiments and comparing the robustness, accuracy, and speed with existing tools. For..., ICE is configured for Cas9 fromStreptococcus pyogenes (SpCas9). ICE Score - The editing efficiency (...green (edited sample) and orange (control sample) lines should be close together before the cut site. A ...
  31. Transferable Skills Guide: External Collaborations

    Type
    Blog Post
    ...become popular. There are only so many methods and machines one team can learn so linking together expert ...external connection is to make sure you keep open lines of communication with colleagues who move on to ...conference attendance, and I scout for potential business partners. I am glad that I was able to build experience...hallmark for jobs focusing on: Science Policy, Business Development, Administration and Intellectual Property...
  32. New CRISPR Tools: Cas7-11 and PASTE

    Type
    Blog Post
    ... and Cas13 systems in a range of mammalian cell lines. However, in those same comparisons, the AbuGoot...using Cas7-11. This included tests done in cell lines known to be more sensitive to toxicity from RNA ...activity. They now had a system that could integrate genes up to 36 kb in length, with an integration rate ...primary cells, and can be easily programmed for new genes. In comparison with other large insert techniques...
  33. How to Write a Scientific Review Article

    Type
    Blog Post
    ... you have these rules (word limit, formatting guidelines, etc.) you have some criteria to shape the document...To find reviews, I just searched online and found ones that I thought “looked good” by no definitive criteria...This could be in the form of lists, streams of consciousness, or anything else. Like I mentioned, I also ...T-cell development, physiology and malignancy." Genes & cancer 6.5-6 (2015): 184. PubMed PMID: 26124919...
  34. Antibodies 101: Reading a Flow Plot

    Type
    Blog Post
    ...Thus, contour lines that are close together show a high density of cells, while contour lines that are spread...can also be presented as contour plots. Contour lines, which you may have seen on elevation maps, are ... of cells (Figure 7).  Figure 7: Contour lines in flow data from Jhunjhunwala et al., 2015. Used...
  35. Avoiding the Dark Side of Fluorescent Protein Fusions with mOX FPs

    Type
    Blog Post
    ...to interfere with the function of resident ER chaperones and may impact cellular function or possibly ... blue or cyan and yellow moxFPs. The inherent brightness and spectral characteristics of the moxFPs are...negative bacteria periplasm. Efforts to tag endogenous genes for proteins in these compartments using CRISPR ...tagging to detect proteins expressed from cloned genes: deletion mapping functional domains of Drosophila...
  36. SARS-CoV-2/COVID-19 Detection Methods Based on CRISPR/Cas

    Type
    Blog Post
    ...typical PCR machines, the authors use affordable, field-ready, Bluetooth-enabled PCR machines that can even...approximately 1-2 hours Equipment needed: Mini PCR machines by DIY-Bio, P51 cardboard fluorescence visualizer...mentioned, likely ~1-2 hours Equipment needed: PCR machines/Heat blocks, Lateral flow strips, Agarose gel ...
  37. The Fluorescent Vegetables in Aptamer Soup

    Type
    Blog Post
    ...s group created Spinach2 using site-directed mutagenesis of Spinach. In doing so, they identified the ... intracellularly due to a lower dependency on magnesium and higher thermal stability, making it a potentially...and were presented in the study to support the uniqueness of the photostability of the Corn-DFHO complex...biotin. Two of these variants exhibit increased brightness compared to Mango, and all are photostable and...
  38. Antibodies 101: Single Chain Fragment Variables (scFvs)

    Type
    Blog Post
    ...   Some phage display libraries screen antibody genes from B cells of immunized animals, but it's possible...screening scFv generated from the B cell antibody genes from diseased or vaccinated humans. How do you produce...cytoplasm. expression in the presence of molecular chaperones that help scFvs fold properly in the cytoplasm...also be fused to cellular toxins, radioisotopes, cytokines, and enzymes for cancer, autoimmune, and/or inflammatory...
Showing: 441 - 480 of 905 results