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Showing: 441 - 460 of 866 results
  1. The Scientific Conference Poster Session: Tips for Success

    Type
    Blog Post
    Published
    Aug. 29, 2019, 12:50 p.m.
    ...example, if you’re a virologist presenting at the American Association for Cancer Research Annual Meeting...therapeutic strategies to target it, than you typically would at a microbiology meeting. Create an outline...lab mates, and PI can provide feedback on your technical presentation, but those outside of your field ...don’t fully understand the question, ask for clarification. Having them reframe or elaborate their thought... through the list at the session so you can strategically use your time. Don’t have access to a list of...titles to find the ones you’d like to revisit. Strategically traverse the sea of posters If you come prepared...system, and is interested in a career in science communication.       Resources on the Addgene blog Read other...
  2. Of Myc and Men

    Type
    Blog Post
    Published
    Jan. 19, 2023, 2:15 p.m.
    ...recognized by its antibody without additional chemical modification steps and when the epitope was within the...antibodies for every potential new target and basically impossible if you wanted to distinguish between...C-terminus post-translationally, which turned out to be critical for antibody recognition. As such, the peptide...interest and proteins tagged with it needed to be chemically treated before the antibody could detect them... the N-terminal half of the antigen differs significantly between human and the other species, suggesting... flexible - it could now be used in way more applications.   Fig. 1 Making a Protein Tag (Abridged... of new versions of Myc1-9E10 mentioned above basically involve taking the Myc1-9E10 variable regions ...
  3. Addgene's Cancer Collection Pages Connect the Research Community

    Type
    Blog Post
    Published
    Sept. 6, 2016, 2:30 p.m.
    ... the pharmaceutical industry for years. They have proven very difficult to target therapeutically due ...al. "Systematic identification of signaling pathways with potential to confer anticancer drug resistance... millions of people die from cancer-related complications each year. Despite these grim statistics, new... cancers, and synthesizing compounds to bind specifically to their mutated residues. For Ras researchers...any of these genes through several different applications such as fluorescent protein fusion studies and...represented, making the results of any such study as clinically relevant as possible. Connecting the research...
  4. PITChing MMEJ as an Alternative Route for Gene Editing

    Type
    Blog Post
    Published
    Feb. 23, 2016, 3:30 p.m.
    ...another method for making targeted modifications. A recent publication by Zhang et al. shows just that -...about a month and a half, without the need for complicated cloning of homology arms. MMEJ: An Introduction...required by MMEJ can easily be added via PCR amplification. Given the inefficiency of HDR for knock-ins... and 3’ junctions, respectively. These results indicate that PITCh is a robust method for genomic insertion...lies in the diversity of nucleases and their applications. It will be interesting to see what new editing...PMID: 26678082. Find the plasmids from this publication at Addgene. 2. Dalvai, Mathieu, et al. (2015...633. PMID: 26456817. Find plasmids from this publication at Addgene. 3. Zhang, Chi, Xiuhua Meng, Xiaolei...
  5. Addgene Stands with the Scientific Community

    Type
    Blog Post
    Published
    April 23, 2025, 1:30 p.m.
    ...transformative biological discoveries and life-saving medical breakthroughs and undermine critical research ...Addgene as a trusted partner for archiving their biological materials during funding transitions. Enabling...operating model allows researchers to access authenticated materials at a fraction of the cost of creating...be listed as direct costs from a CRO in grant applications, addressing the new funding structures and indirect...private partners to create additional pathways for critical scientific work to continue.  Moving Forward ...
  6. Make a Splash: Notions of Scientific Impact Are Evolving

    Type
    Blog Post
    Published
    Dec. 5, 2014, 2:54 p.m.
    ... citations for recent articles. Of course, a publication in Science or Nature is always nice, but in the... lesser-known journal as it is in a top-tier publication. Accessibility is surely also behind the increase...increase in citations for older publications. (As an interesting aside, Nature recently reported that the...in a solution.) But are citations and journal publications really the best way to measure impact? As that...papers detailing Nobel Prize-winning research typically weren’t among the most cited. And, as scientific...and what it’s made of. Increasingly, journal publications alone aren’t enough. Scientists are sharing ...consider and quantify the impact of scientific publications. Ventures like Impact Story seek to find ways...
  7. Plasmid Preps: Different Purity, Different Quantities, Different Uses

    Type
    Blog Post
    Published
    June 16, 2020, 1:25 p.m.
    ... and chemical contaminants that have been used during the purification procedure. Good indicators of DNA... is necessary for bacterial transformation of chemically and electrocompetent cells is minimal (picogram...nm should fall ~1.8 - 2 and give scientists an indication of purity versus protein contaminants. The 260...nm ratios should fall ~2 - 2.2, and provide an indication of purity versus chaotropic agents as guanidine...addition to being free of any nucleic acid and chemical contaminants, these DNA samples must also be entirely...
  8. Inntags: Innovative Protein Epitope Tagging

    Type
    Blog Post
    Published
    Nov. 10, 2015, 3:30 p.m.
    ...immunoprecipitation applications, but none of the traditional tags were suitable for both applications. To prove...from non-vertebrate systems. Preliminary testing indicated that inntags IT5, IT6, and IT10 expressed well...and the chaperone Ydj1, both of which display sophisticated interactions with multiple other proteins. Again...detrimental effects on cell size and growth rate, indicating that they compromised protein-protein interactions...These tags are easy to use in multiple common applications. Due to their limited effects on native protein...particularly in single-molecule or high-throughput applications. Perhaps IT5 and IT6 will even replace our older...
  9. Microbes: Look, Listen, and Tell

    Type
    Blog Post
    Published
    Aug. 28, 2018, 12:04 p.m.
    ...conventional microscopes and give a similar optical quality (magnification of 140X and 2 micron resolution). I... science communication and outreach - if you'd like to learn more about Science communication check out...listening to talks all day. But nope, not at the American Society for Microbiology 2018 Microbe meeting....biomolecule-based dyes. This technology is widely applicable as bacterial expression of dyes allows dye visualization...Bacterial Genome Engineering Learn about Science Communication using Twitter  Resources on Addgene.org Check...
  10. Stem Cell Models for Disease & Open Science: Interview with Darrell Kotton

    Type
    Blog Post
    Published
    July 7, 2017, 1:32 p.m.
    ...Balancing research with medical practice as an MD/PhD. Darrel does 20% clinical work 80% research and was...for Regenerative Medicine at Boston University Medical School. Darrell’s research focuses on the lungs...Center for Regenerative Medicine, and within the biomedical research community. Along these lines, Darrell...Pathology and Laboratory Medicine. He attends in the Medical Intensive Care Unit, the Pulmonary Consultation...the Pulmonary outpatient clinic, all at Boston Medical Center. In addition he conducts basic stem cell...Regenerative Medicine of Boston University and Boston Medical Center. Special thanks to our sound engineer/producer...
  11. Save Time and Money by Making Your Own Competent Cells

    Type
    Blog Post
    Published
    Jan. 28, 2014, 3:10 p.m.
    ...provided here for reference: OpenWetWare Preparing chemically competent cells (protocol)  Preparing electrocompetent...protocol)  Untergasser Lab Preparation of chemically competent cells (protocol) Preparation of electrocompetent...until we are ready to perform transformations. A typical 200mL bacterial culture produces 20mL of competent...transformation protocols below: OpenWetWare Transforming chemically competent cells (protocol)  Electroporation (...protocol)  Untergasser Lab Transformation of chemically competent cells (protocol)  Transformation of...being performed at Addgene, this adds up to a significant time savings. You can also save yourself time...plasmid is introduced to bacteria, the bacteria is typically grown in liquid culture without antibiotics to...
  12. Hot Plasmids - August 2020

    Type
    Blog Post
    Published
    Aug. 18, 2020, 1:15 p.m.
    ...Fluorescent tools for mammalian cells Nanobody purification CRISPRi and CRISPRa system for hPSCs The CRISPR...activity with a fluorescent protein--no affinity purification required! The team used other molecular techniques...compartments in mammalian cells By Angela Abitua Genetically encoded fluorescent proteins are often used to...collaborators have an ongoing effort to improve genetically encoded fluorescent markers for labeling specific...authors generated and described several improved genetically encoded fluorescent markers tagged with mTurquoise2...beads. Workflow of nanobody expression and purification. Iwaki et al., Protein Expr Purif, 2020. ...dCas9 and the gRNA. This expression can vary significantly depending on transgene design and delivery. ...
  13. How to Be an Excellent Trainee

    Type
    Blog Post
    Published
    Sept. 26, 2023, 1:15 p.m.
    ...Within that research group, you will also typically receive technical mentorship from a ‘bench mentor’. In ...receive after you’ve found your mentor, though. Typically, you will identify a ‘scientific mentor’: someone...scientific project. Your scientific mentor is typically a professor who operates a research group. Within...to do? Walk through the protocol mentally (or physically where relevant) and identify any gaps or questions...bring them to your mentor. Pro tip! Consider physically walking through the protocol, by going to each...something. It can be intimidating to ask for clarification at first, but in the end everyone wins. Your...experiments. Unlike in lab courses, where everything is magically made up by helpful TAs or assistants, and sitting...
  14. New Acoustic Reporter Genes: Ultrasound Imaging of Gene Expression

    Type
    Blog Post
    Published
    Jan. 24, 2023, 2:15 p.m.
    ... the bacteria were injected, limiting their applicability. They also did not scatter ultrasound nonlinearly...contrast in E. coli. We deleted an unannotated hypothetical protein, improving expression, and named this...promoter pBAD and a low-copy number origin of replication (p15A) worked best under a wide range of inducer...signal inside the tumors was overlaid with the anatomical B-mode images in greyscale.   ARG expression...of the mARG plamsids into HEK293T cells using a chemical transfection reagent (e.g. PEI-MAX). Simply cotransfect...-specific ultrasound signal is in hot and the anatomical B-mode images are in greyscale. (scalebar = 2mm...authors: Marjorie Buss is a PhD student studying chemical engineering. Mengtong "Tom" Duan is a PhD student...
  15. Using Video to Share Your Science: We Share Science

    Type
    Blog Post
    Published
    Nov. 3, 2016, 2:30 p.m.
    ...be part of the answer. Problems with written publications Online tools like ResearchGate, GoogleScholar...from the science of others. Improving science communication through video     Video abstracts about research... to be that video is the future in terms of communicating ideas. In 2012, for example, 3 billion hours...video usurps the written word as the means for communicating research. Short videos of 3 to 5 minutes provide... researchers to leverage the video medium to communicate their research more effectively.” How to share...concentration of citations, 1900–2007." Journal of the American Society for Information Science and Technology...study." Journal of Librarianship and Scholarly Communication 2.2 (2014): 2. Additional Resources on the Addgene...
  16. Getting the Most from Your Lentiviral Transduction

    Type
    Blog Post
    Published
    April 7, 2016, 2:30 p.m.
    ... line from a reputable distributor such as the American Type Culture Collection and freeze as many early...contamination. For those labs that prefer a more economical mode of detection, Uphoff et. al. outline a do... freshly collected lentivirus for downstream applications. While this ensures that the highest titer virus...virus. To circumvent this problem, transductions typically employ the positively charged polycation, polybrene...establishes the best conditions for specific applications, stick with them! Changes in such variables ...Ward T.H., Margison G.P. “Mycoplasma infection significantly alters microarray gene expression profiles.”...lentiviral and retroviral vectors.” Human Gene Therapy Clinical Development 25.3 (2014). 175-85. Pubmed PMID: ...
  17. Starter Guide to induced Pluripotent Stem Cells (iPSCs) Part 2:  Reprogramming and Transdifferentiation

    Type
    Blog Post
    Published
    Nov. 6, 2018, 1:12 p.m.
    ...several ways. Below is a table listing some of critical differences (adapted from Zhou and Melton, 2008...this process. Moreover, it is much easier to genetically modify cells during the reprogramming process...This opens up a wide range of possibilities in clinical situations. In cases where the objective is to...Kushi) Mukherjee is the Editor of Trends in Pharmacological Sciences, a Cell Press reviews journal. She...joined Cell Press to pursue a career in science communication and publishing after completing her postdoctoral...from Massachusetts General Hospital and Harvard Medical School. Connect with her on LinkedIn @ https://...PMCID: PMC2854424. 23. Burridge, P.W., et al., Chemically defined generation of human cardiomyocytes. Nat...
  18. Multicolor Animals: Using Fluorescent Proteins to Understand Single Cell Behavior

    Type
    Blog Post
    Published
    March 5, 2019, 1:08 p.m.
    ...variety of species, cell types, and research applications. Labeling neurons with Brainbow The Lichtman...mOrange2, EGFP, and mKate2 (red) to solve the problematically low fluorescent intensity of previous versions... Brainbow 3.1 and 3.2 (described in the same publication) are unique because by default, they are not ...level of these XFP is not strong enough for all applications. To resolve this, similar systems have been ...developed a version of Tetbow that incorporates chemical tags instead of XFP to optimize it for tissue ...architecture of a fluorescent neuron is visible. Chemical tags are more resistant to tissue clearing methods...neuronal circuits with fluorescent proteins and chemical tags." eLife 7 (2018): e40350. PubMed PMID: 30454553...
  19. Evolution of Brainbow: Using Cre-lox for Multicolor Labeling of Neurons

    Type
    Blog Post
    Published
    April 24, 2015, 2:39 p.m.
    ...insights into the complicated physical organization of the brain and other biological systems. Interested...deletions are defined using 2 loxP variants (only identical loxP sites can mediate recombination.) The deletions...of farnesylated derivatives enables labeling of delicate axonal and dendritic processes not previously ...Between Brainbow Systems   Brainbow variants and applications beyond the mouse brain In addition to improving...temporal control without the need for germline modification, and enables Brainbow to be used in a variety...homeostasis results from neutral competition between symmetrically dividing Lgr5 stem cells. Snippert HJ, van der...
  20. Fluorescent Proteins 101: Fluorescent Biosensors

    Type
    Blog Post
    Published
    May 18, 2017, 2:30 p.m.
    ...content of this article. Biosensors (‘biological sensors’) are biological tools that monitor a process or detect...a reporter signal. Reporter signals may be electrochemical or light-based, with luminescent and fluorescent..., and you should always check the associated publication for the specifics of your chosen plasmid. Types...Experiments Experiment  Detection Method Notes Quantification of a process Plate-based assays (plate reader...components of individual cells Separation/identification of fluorescently-labeled components Fluorescence-activated... Jessica Welch...
Showing: 441 - 460 of 866 results