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Showing: 281 - 320 of 583 results
  1. Popular Retroviral Vectors and Their Uses in Scientific Research

    Type
    Blog Post
    Published
    July 24, 2018, 12:51 p.m.
    ... delivery systems, especially lentiviral vector-based CRISPR pooled libraries that allow functional screening...barcoding library consists of 96 retroviral plasmids (based on the Murine Stem Cell Virus, MSCV) each with a...
  2. Transferable Skills Guide: Cross-team Communication

    Type
    Blog Post
    Published
    Nov. 21, 2019, 1:53 p.m.
    ...learn how to communicate their work differently based on their audience. How you talk about your experiments...problem was the creation of an Addgene lexicon. The base lexicon was and continues to be a list of commonly...
  3. Supporting Rare Disease Research with the 2020 BeHEARD Awards

    Type
    Blog Post
    Published
    Sept. 8, 2020, 2 p.m.
    ...the Rare Genomics Institute by providing plasmid-based tools for rare disease research. Congratulations...events, we will utilize BRET-, FRET-, and intensity-based signaling biosensors to monitor intracellular signaling...
  4. Click Biology: How to Click and Play to Explore Biology

    Type
    Blog Post
    Published
    Oct. 21, 2025, 1:15 p.m.
    .... Using the natural amino acids or nucleic acid bases already present throughout living organisms, Click... CLIP-tags Tetbow SNAP-tag, CLIP-tag, HaloTag Based on the Brainbow system, adds Tetracycline (Tet) ...
  5. Choosing the B(right)est Fluorescent Protein: Photostability

    Type
    Blog Post
    Published
    June 8, 2017, 2:30 p.m.
    ...protein for live cell imaging would be mTurquoise2, based on the data acquired at low excitation powers. Note...Amsterdam) where she develops genetically encoded FRET based biosensors.     Additional Resources on the Addgene...
  6. Rosella: A Fluorescent pH-Biosensor for Studying Autophagy

    Type
    Blog Post
    Published
    April 13, 2017, 2:30 p.m.
    ... on the identification of autophagic structures based on morphology. Autophagosomes are relatively easy...summary of what color fluorescence Rosella emits based on its localization. Table 1: Summary of Rosella...
  7. CRISPRainbow and Genome Visualization

    Type
    Blog Post
    Published
    Feb. 28, 2017, 3:30 p.m.
    ...and sensitive enough to detect gene copy number based on the number of fluorescent puncta observed. By...Addgene Blog Read More about Fluorescent Protein-Based Tools Learn Some of the Pitfalls When Using Fluorescent...
  8. Pairing CombiGEM and CRISPR for Combinatorial Genetic Screening

    Type
    Blog Post
    Published
    April 12, 2016, 2:30 p.m.
    ...barcoded gRNA library is now ready for CombiGEM-based assembly into the CombiGEM lentiviral vector backbone...: PMC4420636. 7. Ma, Hongming, et al. "A CRISPR-based screen identifies genes essential for West-Nile-...
  9. Antibodies 101: Antibody Engineering and Directed Evolution

    Type
    Blog Post
    Published
    Aug. 5, 2025, 1:15 p.m.
    ...conclusions. Antibody engineering also benefits antibody-based therapeutics. Whether antibodies are used directly...measurement of antigen-antibody interactions in a plate-based format, making it suitable for comparing relative...biology, and protein engineering to develop antibody-based cancer therapeutics.    References and Resources...
  10. dTAG - You're it!

    Type
    Blog Post
    Published
    June 21, 2018, 2:06 p.m.
    ...this limitation, we created a generalizable tag-based strategy, which we refer to as the degradation tag...system is versatile and can be used in both cell-based assays and mouse models. The dTAG system The dTAG...
  11. Early Career Researcher Toolbox: Finding Relevant Papers

    Type
    Blog Post
    Published
    Jan. 9, 2020, 1:45 p.m.
    ...expand your search. Results in your feed are ranked based on their influence on the network, or body of literature...library. The library will suggest additional papers based on the papers you have saved. This library can also...
  12. Nanoblades: Tiny CRISPR Ninjas for Genome Editing Difficult Cells

    Type
    Blog Post
    Published
    Sept. 26, 2019, 12:50 p.m.
    ...Nanoblades are a Cas9 RNP delivery vehicle that’s based on mouse leukemia virus (MLV) virus-like particles...Homology directed repair (HDR) with Nanoblades CRISPR-based HDR allows for the precise insertion of a DNA sequence...
  13. Corralling and Cornering the Goldilocks Antibody

    Type
    Blog Post
    Published
    Aug. 9, 2022, 1:15 p.m.
    ...specificity. Strength and accuracy The strength is based on binding specificity and exposure time. We first...: ValidationSelecting the Right AntibodyPlasmid-based Recombinant Antibodies    ... dedicated to creating a public and accessible database for low-cost, high-quality antibodies for IHC....reference. The Gift of Giving As an open-source database, the mAb3D Atlas will foster collaboration, progress...reliable, high-quality antibodies. We are creating a database for goldilocks antibodies and, alongside that,...
  14. Making CRISPR Plasmids Using Fragmid

    Type
    Blog Post
    Published
    Aug. 29, 2024, 1:15 p.m.
    ... lentiGuide-based) Mammalian Lentivirus pRDA_722 (CMV-driven; lentiCRISPRv2-based; preferred ...
  15. Plasmids 101: Knockout/Knock-In Plasmids

    Type
    Blog Post
    Published
    Dec. 1, 2016, 3:30 p.m.
    ...mammalian cells. Despite the popularity of CRISPR-based knockout/knock-in systems, these systems remain ...difficult. Addgene depositors have developed new CRISPR-based methods for various knock-ins, discussed in our ...
  16. Tips for Technical Support Calls

    Type
    Blog Post
    Published
    Sept. 20, 2016, 2:39 p.m.
    ...your email or phone call. Though my experience is based solely on my time at Addgene, I’m confident that...minutes from our phone call. If your concern is based on data you have produced, please share the data...
  17. Reaching out to China: Canton Nucleic Acids Forum (CNAF) 2015

    Type
    Blog Post
    Published
    Dec. 1, 2015, 3:30 p.m.
    ...illustrious speaker list attracted a host of sponsors based all over the world. With three Nobel Prize winners...hypothesis that these pathways are involved in RNA based surveillance of repetitive gene families and provide...
  18. CRISPR 101: Mammalian Expression Systems and Delivery Methods

    Type
    Blog Post
    Published
    Sept. 24, 2015, 2:30 p.m.
    ...or repressor domains to control gene expression. Base editors can help you make precise point mutations...consider the best form for those CRISPR components based on your model system. CRISPR reagents can be delivered...
  19. Genome-wide Screening Using CRISPR

    Type
    Blog Post
    Published
    Aug. 18, 2015, 2:30 p.m.
    ...photos/72005145@N00/5600978712/ What CRISPR-based reagents are available for genome-wide screens? ...enriched using either drug selection or fluorescence-based cell sorting and screened for a particular phenotype...
  20. Antibodies 101: Flow Cytometry

    Type
    Blog Post
    Published
    July 20, 2021, 1:15 p.m.
    ...event, and assigns each event to a channel number based on intensity. Higher intensity events are assigned...to the protein in its native state.  Antibodies-based flow cytometry can use both direct and indirect ... background information for setting up antibody based flow cytometry experiments.       References and...
  21. Illuminating Choices: A Guide to Selecting Fluorescent Dyes and Ligands

    Type
    Blog Post
    Published
    March 21, 2024, 1:15 p.m.
    ...is vital for the accurate interpretation of FRET-based experiments. A popular combination is Alexa594, ...dyes, expanding the capabilities of fluorescence-based techniques in biotechnology. Recent examples of ...2016). Development of a quantitative fluorescence-based ligand-binding assay. Scientific Reports, 6, 25769...
  22. Special Delivery: Fluorophore Targeting for FRET Studies

    Type
    Blog Post
    Published
    July 19, 2016, 2:30 p.m.
    ...questions, which are critical in setting up a FRET-based assay or screen (the Addgene blog has an excellent...different city, you can still develop a successful FRET-based assay since energy transfer only occurs when donor...10. Saraheimo, Satu, et al. "Time-Resolved FRET-Based Approach for Antibody Detection–A New Serodiagnostic...
  23. Polymerase Chain Reaction Overview and Applications

    Type
    Blog Post
    Published
    Aug. 10, 2021, 1:15 p.m.
    ...point where the hydrogen bonds break between the base pairs. This results in the separation of the two...using PCR. qPCR requires the addition of a probe based fluorescent dye that intercalates with any dsDNA...
  24. Hot Plasmids and Viral Preps - May 2021

    Type
    Blog Post
    Published
    May 18, 2021, 1:15 p.m.
    ... scanning By Seth Kasowitz As multiple antibody-based vaccines are deployed around the world to combat...deactivate photocleavable gRNAs within seconds. A CRISPR-based lineage tracing tool captures rare clones that represent...
  25. CrispyCrunch: High-throughput Design and Analysis of CRISPR+HDR Experiments

    Type
    Blog Post
    Published
    Feb. 7, 2019, 2:16 p.m.
    ... John Doench et al. shows that mutating a single base pair may not be enough to prevent re-binding. Lastly...region in a UTR, CrispyCrunch flips the two important base pairs of the PAM (NGG -> NCC, CCN -> GGN). This ... much as possible, it uses standard tools and databases, including primer3, biopython, bwa, samtools, ...
  26. Pooled Library Amplifications

    Type
    Blog Post
    Published
    May 30, 2024, 1:30 p.m.
    ... electroporations. The specifics of this can be based on the manufacturer’s protocol for transformation...transformation efficiency, or more specifically calculated based on the size of and weight of your library plasmids...
  27. Twenty Years of Addgene Sharing: CRISPR

    Type
    Blog Post
    Published
    April 18, 2024, 1:15 p.m.
    ... different categories based on function: knockout (KO), activate, inhibit, base edit, and other. The first...
  28. Truncated gRNAs for Regulating Gene Expression

    Type
    Blog Post
    Published
    Jan. 10, 2017, 3:37 p.m.
    ...quickly and inexpensively generate a potent Cas9-based transcriptional regulator without making any functional...date his group has develop several popular CRISPR-based tools for altering DNA sequence or regulating gene...
  29. PITChing MMEJ as an Alternative Route for Gene Editing

    Type
    Blog Post
    Published
    Feb. 23, 2016, 3:30 p.m.
    ... question to ask is how the efficiency of PITCh-based genomic insertion would compare to CRISPR sticky-end...Mathieu, et al. (2015). “A Scalable Genome-Editing Based Approach for Mapping Multiprotein Complexes in Human...
  30. Fluorescent Proteins 101: Green Fluorescent Protein (GFP)

    Type
    Blog Post
    Published
    May 15, 2014, 3:33 p.m.
    ...and fluorescence. Biosensors: A wide array of GFP-based fluorescent biosensors has been designed to detect...separates mixtures of cells into distinct populations based on fluorescent signal. Thus, FACS can be used to...
  31. The Effect of COVID-19 on Liu Lab Plasmid Requests From Addgene Data

    Type
    Blog Post
    Published
    July 16, 2020, 1:15 p.m.
    ...demand model with weekend and holiday effects. Based on these observations, we considered the following...enable next-generation therapeutics. Prime editing, base editing, PACE, and DNA-templated synthesis are four...
  32. Tips for arabidopsis transformation

    Type
    Blog Post
    Published
    Oct. 25, 2018, 1:23 p.m.
    ...additionally allow for visual selection of transformants based on expression of RFP in the seed (Emami, Yee and...inflorescence (the flowering portion of the plant) near the base of the stem. This buys you a few days until new ...
Showing: 281 - 320 of 583 results