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Showing: 261 - 280 of 799 results
  1. Healthcare Consulting: A Door to the Business of Life Sciences

    Type
    Blog Post
    Published
    Oct. 13, 2016, 2:30 p.m.
    ...a company to collaborate whenever it faces an important challenge. The types of projects mentioned above...intricate task of designing a strategic vision for a portfolio of candidate drugs. A decision like that would...scientific knowledge behind you, you’ll have the opportunity to learn the business side of consulting cases...or who needs a stepping-stone to many other opportunities. Many thanks for our guest blogger, Gairik ... Resources on Addgene.org Check Out Career Opportunities at Addgene ...
  2. Antibodies 101: Introduction to Immunofluorescence

    Type
    Blog Post
    Published
    Nov. 16, 2021, 2:15 p.m.
    ...this article, we’ll go through some of the most important considerations to make when planning and performing...same sample. For this strategy to work, it is important to ensure that you are using secondaries with ...primary, so we’ll start there. Some of the most important considerations are to make sure your secondary...publications or as a review on a company website. It is important to review the data and protocols available for...regardless of how “risky” they may be, it is always important to verify their performance in your hands and ...
  3. Filming Science Videos in the Age of Social Distancing

    Type
    Blog Post
    Published
    May 20, 2021, 1:15 p.m.
    ...Massachusetts Nonprofit Day, which was the perfect opportunity to test shooting over Zoom, everyone’s new favorite...directing. Everyone’s schedules were busy, so it was important for me to let people record at their leisure. ... were still many restrictions in place, most importantly, masks.  Besides the muffled voices beneath masks...out of the way when it was blocking some more important lab work from being done. You can watch the first...things return to relative normalcy, I’ll be incorporating that mobile monitor stand into every shoot. ...
  4. Fluorescent Proteins 101: When GFP lets you down

    Type
    Blog Post
    Published
    Aug. 23, 2018, 12:05 p.m.
    ...that generates the chromophore (Tsien, 1998). Importantly, this reaction requires molecular oxygen and ...non-natural fluorescent amino acids and their incorporation into proteins are steps in that direction (Chatterjee...interest with an additional protein module that can report on location. This approach enables the study of...limitations. Being aware of the limitations is important for the successful use of GFP or any of the other...9759496.  3. Buckley, Anthony M., et al. "LOV-based reporters for fluorescence imaging." Current opinion in ...
  5. Tips for Getting a Faculty Position

    Type
    Blog Post
    Published
    July 20, 2023, 1:15 p.m.
    ..., documents need to minimize jargon. Equally importantly, you really are selling yourself. A sales pitch...anyone could relate to, that people would agree is important to understand. (1-2 sentences). For example: Distinguishing... lot of time to discuss and the questions are important. However, it's much easier to focus on the questions...version of my manual, I added new chapters to incorporate the experiences of the people that provided me...interviews. We didn't have Skype in 2004. I also incorporated example documents. This part has generated a...
  6. Hot Plasmids: February 2026

    Type
    Blog Post
    Published
    Feb. 17, 2026, 2:15 p.m.
    ...demonstrated 99% on-target incorporation of non-standard amino acids into reporter proteins. This feat of ... other conditions. Less appreciated, but also important, is the design of the packaging and helper plasmids...they became available for new applications: incorporating artificial amino acids into proteins. The team... Morano A, Riedel T, Moshinsky D, 2025. Addgene Report, https://doi.org/10.57733/addgene.3waajp.  ...
  7. Plasmids 101: Biotinylation

    Type
    Blog Post
    Published
    Nov. 15, 2018, 1:50 p.m.
    ...of carboxyl groups to organic acids to produce important cellular metabolites. Biotin acts as a carboxyl...primary antibody respectively. Avidin bound to a reporter is then added to the reaction for easy detection... experiments. During detection, a biotinylated reporter enzyme that is pre-incubated with free avidin ...protein of interest leading to amplification of the reporter signal and easier detection. This strategy is ...biotinylated primer. Biotin can also be enzymatically incorporated during PCR using a biotin labelled dUTP. There...
  8. Site Directed Mutagenesis by PCR

    Type
    Blog Post
    Published
    Aug. 2, 2016, 2:30 p.m.
    ...regulatory elements (to mutate promoters/enhancers in reporter constructs), in functional analysis of proteins... by an increase in the size of the lower band (portion of the plasmid containing the mutation). Similar...which could potentially truncate the template). Importantly, you also need a DNA polymerase that produces...resulting construct. In cases where the functionally important regions span several kb (or are GC-rich and therefore...you can simply amplify and mutate this smaller portion of the plasmid with a primer pair that generates...
  9. How to Negotiate a Successful Lab Start Up Budget

    Type
    Blog Post
    Published
    Sept. 1, 2015, 2:30 p.m.
    ... This is important to ensure that you’re looking at institutes that have the means to support your work...screening out irrelevant candidates, and, more importantly, it’ll help you define salary costs. 4. Ascribe...make these decisions in the following order of importance: 1. First make decisions based on experimental...and availability of the equipment is of utmost importance. Conducting a successful lab start up negotiation...
  10. Plasmids 101: Common Lab E. coli Strains

    Type
    Blog Post
    Published
    Nov. 7, 2014, 2:56 p.m.
    ...methylase mutation (GATC) Preparing unmethylated DNA, important when trying to cut with certain restriction enzymes... mutation (CCWGG) Preparing unmethylated DNA, important when trying to cut with certain restriction enzymes...Allows uptake of large plasmids hee   High electroporation efficiency supE44 (glnV44)   Suppression ...propagating plasmids expressing the ccdB gene (important in Gateway cloning). F-mcrA Δ(mrr-hsdRMS-mcrBC...propagating plasmids expressing the ccdB gene (important in Gateway cloning). F- gyrA462 endA1 glnV44 Δ...
  11. Easi-CRISPR: Generating Knock-In and Conditional Mouse Models

    Type
    Blog Post
    Published
    April 5, 2018, 12:42 p.m.
    ... homology arms and a selection marker, then electroporate it into mouse embryonic stem cells. After selecting...compatible with standard microinjection and electroporation methods using in mouse transgenics. Designing...between the ampulla and infundibulum. In vivo electroporation is performed immediately after injection. Image...tweezer-type electrodes are placed to mediate electroporation. Ohtsuka et al. compared traditional microinjection..., et al. "One-step generation of mice carrying reporter and conditional alleles by CRISPR/Cas-mediated...
  12. Viral Vectors 101: AAV Variables That Matter

    Type
    Blog Post
    Published
    June 1, 2023, 1:15 p.m.
    ...injection site  (Kanaan et al., 2017), axonal transport  (Murlidharan et al., 2014), and postsynaptic ... system, remember that some serotypes can be transported retrogradely and/or anterogradely along the axon...et al., 2014; Nieuwenhuis et al., 2021). It is important to note that this expression pattern can be affected...of Transduction Efficiency, Tropism and Axonal Transport of AAV Serotypes 1, 2, 5, 6, 8 and 9 in the Mouse...Favre, D., Blouin, V., Provost, N., Spisek, R., Porrot, F., Bohl, D., Marmé, F., Chérel, Y., Salvetti,...
  13. Hot Plasmids: Fall 2025

    Type
    Blog Post
    Published
    Nov. 11, 2025, 2:14 p.m.
    ...function, but these connections are exquisitely important in the brain. To better understand how astrocytes...extracellular matrix proteins, cell adhesion molecules, transporters, ion channels, GPCRs, and more.  Figure...Grelet Lab developed MitoTRACER, a retroviral-based reporter system that permanently labels the cells receiving... and signal response upon Ca2+ binding. Most importantly, it doesn’t display the problematic photoswitching... using an anti-GFP nanobody (Figure 4). Once incorporated into a condensate, the killswitch disrupts its...
  14. Recombinase-based State Machines Enable Order-dependent Logic in vivo

    Type
    Blog Post
    Published
    July 28, 2016, 2:30 p.m.
    ...engineer cellular processes that are influenced by temporally ordered biochemical events. How do RSMs work?...that uniquely express selectable and/or sortable reporters in certain states of interest. For example, in...above (Sanger sequencing, qPCR, and fluorescent reporter-based) each come with their advantages and disadvantages...the most convenient strategy is the fluorescent reporter based method since it lends itself to cheap, quick...detection with flow cytometry. However, expressing reporters will consume cellular resources and therefore ...
  15. An “elegans” Approach to Better CRISPR/Cas9 Editing Efficiency

    Type
    Blog Post
    Published
    Dec. 17, 2020, 1:30 p.m.
    ...approaches may become even more powerful following a report that one can use linear repair templates (ie. PCR-derived... 2014). A further development of this approach reported in 2017 uses the direct injection of a CRISPR/...templates (Farboud et al., 2019).   The Mello lab also reported that modifying the 5’ modification of oligos used...mixtures (Doksin et al., 2018). The Mello lab also reported efficient editing using a co-injection marker ... drove work in countless other systems, whereas import of CRISPR technology into C. elegans has been a...
  16. A History of Genome Engineering in Popular Culture

    Type
    Blog Post
    Published
    Feb. 25, 2020, 2:15 p.m.
    ...editing technology led to the development of many important medical and agricultural products. But it also...Ridley Scott wonder what would happen if these corporations would extrapolate genetic engineering to exploit...which are genetically engineered by a powerful corporation to serve as slaves.  Meganucleases In 1989 the...SciFi is one of the most imaginative and most important genres of literary fiction. It has always served...health sciences, energy, and agriculture, its portrayal in popular fiction has been largely negative. ...
  17. Microbes: Look, Listen, and Tell

    Type
    Blog Post
    Published
    Aug. 28, 2018, 12:04 p.m.
    ...looking through a paper-based, affordable, and portable microscope called the ‘foldscope’ (Dr. Prakash...itself when looking down a paper thin and very portable microscope. Less fluorescence admittedly, but ...ultrasound to image bacteria in vivo: acoustic reporter genes’ on our blog. Creative approaches to presenting...References 1. Bourdeau, Raymond W., et al. "Acoustic reporter genes for noninvasive imaging of microorganisms...
  18. Fluorescent Proteins 101: History of Fluorescent Proteins

    Type
    Blog Post
    Published
    Aug. 7, 2017, 1:58 p.m.
    ...responsible for encoding GFP, and, in 1992, he reported its sequence. Soon after that, in 1994, Prasher...he lived! His hunch paid off, and he was able to report new fluorophores like DsRed from Discosoma sp. ...provided by the studies in Tsien lab, covered a portion of the color spectrum that GFP and its derivatives...reach. Nobel Prize for fluorescent proteins The importance of fluorescent proteins was recognized in 2008...
  19. Custom CRISPR Screens & the Green Listed Software

    Type
    Blog Post
    Published
    July 11, 2017, 2:30 p.m.
    ...number of cells needed is lower, and perhaps most important, targeting all genes doesn’t necessarily add value...cytokine known to cause the up-regulation of an important surface protein (e.g. PD-L1 on a cancer cell)....are migratory, and their exact localization is important for their function. Their migration is induced... for West-Nile-virus-induced cell death." Cell reports 12.4 (2015): 673-683. PubMed PMID: 26190106. PubMed...therapeutic targets in acute myeloid leukemia." Cell reports 17.4 (2016): 1193-1205. PubMed PMID: 27760321. ...
  20. Fluorescent Proteins 101: Photoactivatable Fluorescent Proteins

    Type
    Blog Post
    Published
    April 25, 2017, 2:30 p.m.
    ...impossible to determine specific protein turnover or temporal expression using standard FP-chimeric proteins...second. The first successful irreversible PA-FP reported was PA-GFP. PA-GFP was derived from Jellyfish ...localization, or leading to protein aggregation. Another important parameter to consider is the contrast ratio- a...intensity, possible excitation lasers) it is also important to optimize your activation protocol for your ...photoactivatable fluorescent proteins Some of the most important applications for PA-FPs involve enhancing optical...
Showing: 261 - 280 of 799 results