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Showing: 21 - 40 of 683 results
  1. Advice for Starting a Biotech Company from a Grad Student turned Entrepreneur

    Type
    Blog Post
    Published
    July 10, 2014, 7:17 p.m.
    ...do this.” Biotech startups are only successful if they are 100X better than current technology and get ...Capital in Biotech  - Posted on Forbes.com, contributed by Bruce Booth How to Find a Job in Biotech and Resume...developed during graduate school and turn it into a biotech company. Transitioning an idea from academia to...Sample6 is an enrichment-free bacterial pathogen detection system that uses synthetic biology to target and...concepts to engineer bacteriophages and use those to detect unwanted bacteria. How did graduate school help...a succesful entrepreneur? As a co-founder of a biotech startup, Mike explained, his career transitioned... the best product-market fit for this set of technologies, effectively communicating the advantages embodied...
  2. FLEx Technology and Optogenetics: Flipping the switch on gene expression with high spatial and temporal resolution

    Type
    Blog Post
    Published
    Oct. 17, 2019, 12:28 p.m.
    ...the limited technologies available. Over the past few years, however, remarkable technological advances ...revolution in modern neuroscience, an era in which technologies like FLEx and optogenetics meet, allowing scientists...mammalian neurons and alter synaptic events: a new technology was born, and the term “optogenetics” was coined...fused to a reporter gene (e.g., mCherry) to easily detect opsin-expressing cells. The resulting fusion gene... functional topography of the neural circuit architecture of the brain regions associated with motivated... able to distribute materials containing FLEx technology. Read the genOway press release for more information...Deisseroth, Karl, et al. "Next-generation optical technologies for illuminating genetically targeted brain ...
  3. Hot Plasmids December 2018 - C. elegans RNAi, TurboID, Detecting Viral Outbreaks, and Protein Binding Specificity Tools

    Type
    Blog Post
    Published
    Dec. 6, 2018, 1:34 p.m.
    ...Branon et al. Nat Biotechnol. 2018 PubMed PMID: 30125270. Changing the way we detect viral outbreaks ...often escape detection. The Alexander Green lab found a solution: a low-cost, cell-free detection assay that...isothermally, and detected through a toehold switch, an RNA sensor that can be used to detect the presence ...toehold switches to detect Zika virus (available at Addgene). The plasmids for detecting norovirus will be... have now applied the same directed evolution technique to the biotin ligase from which BioID was derived... and BioID. In the Ting Lab’s recent Nature Biotechnology paper, they describe TurboID and miniTurbo, ...contributed by Izzy Mueller  Listen to the viral detection podcast segment As the primary cause for both...
  4. Sequencing Options for CRISPR Genotyping

    Type
    Blog Post
    Published
    Oct. 4, 2016, 2:30 p.m.
    ...They also have a limit of detection of ~5%. This means they do not reliably detect editing events that occur...primary methods of off-target detection: biased and unbiased. Biased techniques only sequence certain sites...: Biased Genotyping Options Technique Sequence Information Detection Limit Advantages Disadvantages...highly sensitive with detection levels as low as .01% (Hendel et al. 2015). Low detection rates mean the investigator...off-target mutations if they remain undetected using these techniques. Frequencies of off-target mutations...have a minimum detection limit of 0.1% (Tsai et al. 2015). This contrasts with detection frequencies of... Table 2: Unbiased Genotyping Options Technique Detection Limit Application Advantages Disadvantages...
  5. RANbodies: Reporter Nanobody Fusions

    Type
    Blog Post
    Published
    April 10, 2018, 12:56 p.m.
    ... for detection RANbody is detected enzymatically with HRP substrate More sensitive than detecting antigen...require a secondary antibody for detection. Instead they are detected with tyramide signal amplification...and is useful for detecting GFP. Spaghetti Monster tagged RANbodies can be detected either with a labeled...sensitive than HRP RANbody detection, it is approximately as sensitive as detecting the same antigen with ...RANbodies are easily detected with a labeled anti-chicken antibody. Chicken IgY RANbody detection is less sensitive...sensitive than HRP RANbody detection but approximately as sensitive as antigen detection with a standard primary... When detected with a labeled anti-HA or -MYC antibody, approximately as sensitive as detecting antigen...
  6. Mycoplasma Contamination: Where Does It Come From and How to Prevent It

    Type
    Blog Post
    Published
    Oct. 8, 2020, 1:15 p.m.
    ...different biotech companies which are enzyme-based mycoplasma detection kits. These kits detect mycoplasma...irreplaceable or highly expensive). Detecting mycoplasma contamination Detection of mycoplasma by naked eyes ...Another method used for mycoplasma detection is using PCR. In this technique, PCR primers specific to the 16s...cells that can detect the presence of mycoplasmas in the culture. Once these cells detect mycoplasmas, ...Assistant at MGMs Institute of Biosciences and Technology. If you are reading this article then you probably...through cross-contamination and due to poor lab techniques. These include reusing pipettes for multiple ...turbid nature, contamination is difficult to be detected in the serum that is most commonly used for every...
  7. Antibodies 101: ELISA (Enzyme-linked Immunosorbent Assay)

    Type
    Blog Post
    Published
    Aug. 24, 2021, 1:15 p.m.
    ...that require scientists to detect proteins in their samples. One technique that relies heavily on antibodies...Enzyme-linked Immunosorbent Assay. ELISA are used to detect proteins within a 96- or 384-well, flat-bottomed...bottom of the well), and then its concentration is detected through visualization of an enzymatic reaction...ELISAs, which differ in the way the antigen is detected. These are sandwich, competitive, direct, and ...available ELISA kits are for a sandwich ELISA. This technique works by first coating the wells of a flat bottomed...specific to the protein you are interested in detecting in your sample. When an ELISA kit is ordered, ... your protein of interest.  The next step is to detect the protein-antibody pair. In a sandwich ELISA,...
  8. The Golden Stopwatch Award: Recognizing Facilitators of Research

    Type
    Blog Post
    Published
    Sept. 5, 2019, 1:06 p.m.
    ...Addgene.org Addgene Help Center: Tech Transfer Technology Transfer Information Tech Transfer News: A Reintroduction...get an Addgene account for Tech Transfer Offices. They’re packed with tech transfer resources (summaries... question? Refer them to Addgene’s Tech Transfer Team: techtransfer@addgene.org Congratulations to the...stats and strategies with tech transfer offices. Drop us a line at techtransfer@addgene.org. Albert Einstein...’re trying to make MTA turnaround faster with technology transfer offices (TTOs). The latest of these ...deliver the very first ones in person by our own Tech Transfer Team! Why MTAs Matter Though they may seem... important—they guarantee certain rights and protections for depositor and requestor alike. That’s why...
  9. Interview: Hodaka Fujii on enChIP, New CRISPR Tools, and More

    Type
    Blog Post
    Published
    Dec. 2, 2014, 7:23 p.m.
    ...retroviral enChIP system using CRISPR technology. Can you describe this technology and some of its potential applications...development of new biological technologies. The locus-specific ChIP technologies consisting of iChIP and enChIP... to develop new technologies. Majority of them are eager to just "import" technologies developed abroad...The Fujii lab specializes in developing novel technologies to analyze molecular mechanisms of genome functions...extensively with enChIP systems. Can you describe this technology and its advantages? Fujii: In the last several...years, my lab has been working on development of technologies for biochemical analysis of genome functions... chromatin immunoprecipitation (ChIP) (iChIP) technology, which uses locus-tagging and affinity purification...
  10. 3 Challenges in Plant Synthetic Biology

    Type
    Blog Post
    Published
    July 22, 2014, 5:46 p.m.
    ...cannot imagine any use for GM technology other than to sustain those techniques. We feel strongly that the...transformation technologies like those pioneered by Ewen Mullins of Ireland’s Teagasc.  Plant biotechnology is full...there are a lot of unexplored areas in plant biotechnology that are ripe with opportunity. We’ve decided...One of the biggest difficulties that plant biotechnologists face is public perception of genetic modification... crops has burdened this emerging engineering technology. Monoculture and chemical spraying, mainstays... current benefits and future potential of the technology to the public in an open, responsible manner....this challenge directly by developing a plant biotechnology product specifically for consumer sales. Flowers...
  11. Optogenetics + CRISPR, Using Light to Control Genome Editing

    Type
    Blog Post
    Published
    Sept. 3, 2020, 12:15 p.m.
    ...genetically encoded photocaging technique to insert a light-removable protecting group, specifically a nitrobenzyl...have been making major improvements to CRISPR technology since its initial applications for genome engineering...prime editing, anti-CRISPR proteins, and other techniques all aim to improve targeting specificity or reduce...2015, scientists combined CRISPR and optogenetic techniques to develop a variety of photoactivatable CRISPR...spatially control gene expression. Both of these techniques take advantage of light-induced dimerization ... their CRISPR system. This common optogenetic technique can be employed in other split systems where light...activated with light and lowered background DSBs (non detectable). Like their prior work, the Sato lab also showed...
  12. When Fidelity Matters: A frank discussion about ligase fidelity

    Type
    Blog Post
    Published
    March 6, 2018, 1:49 p.m.
    ...LDR can reliably detect single-base differences. The original creators of this technique visualized the ...Development of a ligase detection reaction/CGE method using a LIF dual‐channel detection system for direct ...-based ligase detection reaction assay using a molecular beacon probe for the detection of low-abundance...other thermostable DNA ligases. These applications detect specific nucleotide sequences with high specificity... (SNPs) (5,12,13). For example, in the Ligase Detection Reaction (LDR), probes complementary to the sequence...methods to greatly increase the sensitivity of detection (14-20). LDR has also been extended to multiplexed...multiple potential SNP sites (15). The related LCR technique uses two sets of probes to achieve exponential...
  13. Proximity Labeling: A Powerful Tool for Protein Complex Purification and Proteomic Mapping

    Type
    Blog Post
    Published
    Dec. 2, 2019, 2 p.m.
    ...labeling strategy to detect cell-cell interactions in vivo (Ge et al., 2019). This technique relies on an S.... with biotin using avidin coated purification techniques. Due to the high affinity of biotin for avidin...proteins The first biotin based proximity labelling technique, BioID, was developed in 2012 in the Brian Burke... developed as well as new proximity labelling techniques. These newer tools are also currently available...combines a protein fragment complementation (PCA) technique with proximity labelling to validate binary protein-protein...proteins in one simple experiment. PCA is an in vivo technique where two proteins are fused to complementary ...Split-BioID blog post.  RaPID: RNA-protein interaction detection So far, we’ve covered ways to study protein-protein...
  14. The Crispr Babies Saga Shows the Need for Action, Not More Delays

    Type
    Blog Post
    Published
    Dec. 20, 2018, 1:15 p.m.
    ...emerging technology. We could do this for CRISPR/Cas9 – or any other germline editing technique—too. As... of Rogue Bioethics. On November 25, the MIT Technology Review dropped a bombshell report. A scientist... is unethical to use scientifically unproven technologies to edit a human embryo, or have a woman carry...published on December 13 shows us, CRISPR/Cas9 techniques are continually being refined; it is completely...will eventually have available genome editing techniques that are sufficiently safe to manipulate an embryo—even... the June 2012 report on the ethics of “Novel techniques for the prevention of mitochondrial DNA disorders...disorders.” This document is about the popular technique incorrectly known as “three-parent babies,” where...
  15. Antibodies 101: Introduction to Antibodies

    Type
    Blog Post
    Published
    Jan. 19, 2021, 2:15 p.m.
    ...mixture of cells. The technique of using fluorescently-labeled antibodies to detect proteins is referred...whole organs. Because the tissue architecture is preserved, this technique allows you to not only visualize...the same experiment because the reagents used to detect the presence of an antibody depends partially on...the primary antibody and provides the method of detection. You’ll also want to use the appropriate controls...applications. Western blot Western blots are used to detect the presence of proteins from samples containing... a secondary antibody allows the protein to be detected by chemiluminescence or fluorescence. Western ...immunosorbent assay (ELISA) Similarly, ELISA is used to detect the presence of a single protein from a heterogeneous...
  16. Antibodies 101: The Basics of Western Blotting

    Type
    Blog Post
    Published
    March 8, 2021, 2:41 p.m.
    ...system, detect post-translational modifications, quantify protein levels relative to standards, detect the..., or western, is one of the simplest methods to detect the presence or absence of a protein (Renart et... size, (2) transferred to a membrane, and  (3) detected using antibodies.   Figure 1: Overview...finally visualized.   This process allows you to detect a single, specific protein within the complex mix...cells or tissues. Westerns are useful not only to detect the presence or absence of a protein, but can also...validated for immunoblotting. Different immunoassays detect proteins in different states. For example, in immunoprecipitation...protein in its native state while a western blot detects denatured polypeptide chains. The protein regions...
  17. Antibodies 101: The Four ELISAs and When to Use Them

    Type
    Blog Post
    Published
    July 25, 2024, 1:15 p.m.
    ...enzymatic signal detection, users provide a substrate that the enzyme converts into a detectable product. Scientists... in a sample and then a second detection antibody binds. The detection antibody can be directly conjugated...then adds an antigen-specific detection antibody.  Importantly, the detection antibody and the capture antibody... either directly conjugated detection antibodies or unconjugated detection antibodies followed by conjugated... specificity, and sensitivity (a good ELISA can detect picogram quantities of the target!) and use them...conjugated with a reporter or tag that can then be detected.  Typically, the reporter is an enzyme such as...abundance antigens may want to consider alternative detection methods.      Figure 1: The four types...
  18. Hot Plasmids: Summer 2024

    Type
    Blog Post
    Published
    Aug. 27, 2024, 1:15 p.m.
    ...enrichment and structure determination LEA proteins protect samples during cryo-EM grid freezing Engineered...these limitations, the Funabiki Lab developed a technique called Magnetic Isolation and Concentration (MagIC...and in complex with its chaperone NPM2, but the technique should be widely applicable to other targets. ...doi.org/10.1101/2024.01.21.576499.    LEA proteins protect fragile samples during cryo-EM grid plunge freezing...proteins that naturally adsorb to the AWI, can protect cryo-EM samples from damage (Abe & Lim, 2024).  ...complexes may dissociate  (right). B) Protein samples protected from AWI by helical LEAs. C-E) cryo-EM single-... Lim, 2024 under CC-BY-NC-ND 4.0 license. Protection by the LEAs allowed the authors to determine ...
  19. Antibodies 101: Designing Your First Flow Panel

    Type
    Blog Post
    Published
    May 28, 2024, 1:45 p.m.
    ...panel to detect live, transduced, and CD45-expressing cells. Marker Fluorophore detection Live... reporter, you can infer its presence through detecting the reporter's fluorescence. Another way to label...different markers of interest, you can separately detect these markers in your analysis. Lastly, there are... to the signal strength of the emitted photons detected by the cytometer. Brighter fluorophores have a...the signal-to-noise ratio, and the better the detection of the target marker. Looking at Table 1, we can...into each other, it means that the cytometer could detect a certain photon to be emitted by either of the...the two. As a result, inaccuracies in the detection of fluorophores (and the markers they label) can occur...
Showing: 21 - 40 of 683 results