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We narrowed to 497 results for: control

Showing: 81 - 100 of 497 results
  1. Pooled CRISPR Libraries Offer Genome-Wide Control for Large-Scale Functional Screens

    Type
    Blog Post
    ...for gene control over a 1,000-fold range. Weissman explained that there are two levels of control in the...technology has changed how scientists edit and control genes, but according to the Broad Institute's Silvana...Epub 2014 Dec 10. Genome-Scale CRISPR-Mediated Control of Gene Repression and Activation. Gilbert LA, ...
  2. Antibodies 101: The Four ELISAs and When to Use Them

    Type
    Blog Post
    ... it is essential to include proper controls. As a positive control, include a sample that is known to ...This method also requires more optimization and controls when developing, as secondary antibodies can also..., purified protein, or a peptide. The positive control will confirm that the procedure is working and ...and should always be included.  For a negative control, include a sample that does not contain the target...where the target is not expressed. The negative control will help you determine if there is non-specific...
  3. New Viral Vectors - Spring 2025

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    Blog Post
    ...pAAV-CAG-emiRFP670 AAV1 Control Kiryl Piatkevich New viral tool pAAV-S5E6-dTom-nlsdTom AAV1 Control Jordane Dimidschstein...the retrograde serotype, and a dTomato under the control of the E6 regulatory element, which targets it ...
  4. New Viral Vectors - Summer 2024

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    Blog Post
    ... AAV9 Controls Jensen New serotype pAAV-CAG-2xNLS-tdTomato-WPRE-hGHpolyA AAV9, PHP.eB Controls Feng ...serotypes pAAV-hSyn-GRAB_OTmut AAV9 Biosensors (Control) Li New viral service pAAV-hSyn-GRAB_ACh3.0 AAV9...
  5. Plasmid Grant to Aid Cervical Cancer Screening in Ghana

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    Blog Post
    ...grant to order plasmids she can use as positive controls in PCR-based cervical cancer screens. This third...predominantly HPV 16 and 18.” HPV plasmids as positive controls To start her work, Gladys will improve cervical... containing a variety of HPV genes as positive controls in her PCR screens. She hopes that these screens...
  6. Control AAV Preps

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    Collection
    ...Packaging Service AAV Controls Viral Vector Packaging Service: Control AAV Browse our control AAV that express... select plasmids in the repository. Browse our control AAV collection, including fluorescent proteins,...consider using fewer filtering options. Browse all Control AAV *AAVrg = retrograde serotype, produced with...
  7. Fluorescent Proteins: FRET

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    Collection
    ...available, we have listed cloning backbones and control plasmids. Donor Acceptor λ Dex QY D λ Aem ε A QY...refer to published reports and include appropriate controls to help interpret your results. See Algar et al...feature plasmids with positive and negative FRET controls or calibration standards consisting of donor and...quantitative two-hybrid FRET Positive and negative controls and cloning backbones for mTurquoise2-mVenus(L68V...towards a quantum yield of 93% Positive and negative controls and cloning backbones for various FRET pairs with...acceptors for mTurquoise2 Positive and negative controls and cloning backbones for red, yellow, and turquoise...fluorescent protein Variety of fusion proteins, positive controls for many FRET pairs Michael Davidson Lab (Unpublished...
  8. Serotype Testing AAV

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    Collection
    ...Ready-to-use AAV available from Addgene's viral service. Control EGFP vectors in various serotypes for serotype ...list of all 100 µL sized sample, please see our Control AAV Inventory . The catalog ID for the 20 µL sized... catalog item, including the titer and quality control, visit the material page (linked for each catalog...
  9. Getting Started with Behavioral Neuroscience: Standardizing Experiments and Using Viral Vectors

    Type
    Blog Post
    ..., behavioral neuroscientists can now precisely control where and when certain genes are expressed to investigate... in a laboratory, a high level of experimental control is required, because seemingly tiny external factors...Experimenter Interaction should be minimal and strictly controlled; optional handling animals Experiment Behavioral...neurotrophic factors. Another option uses optogentics to control neuronal activity, commonly via light-activated...Viral vectors allow a tight spatial and temporal control of gene expression manipulation. They are injected...
  10. Tips for Titering Your Lentiviral Preps

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    Blog Post
    ...method can be the absence of suitable controls. The best control for this type of assay is a clonal cell...using a reverse transcriptase mutant in a separate control reaction. This will allow you to quantify the amount...of the qPCR target gene. Developing the proper control line typically requires transducing with a limiting.... 3. Zhang, Bing, et al. "The significance of controlled conditions in lentiviral vector titration and...
  11. New and Upcoming Viral Vectors - Spring 2019

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    Blog Post
    ...cre-dependent version at Addgene! Fluorescent protein and control AAV These fluorescent protein expression vectors...interneurons. These vectors can also be used as the control vectors for experiments encoding a fluorescent-... Addgene in the next 6 months, pending quality control. For an estimate on availability date or to be ... and serotype you’d like to be notified about. Controls Plasmid Serotype Name 114472  AAV5, AAV8 ...
  12. Hot Plasmids and Viral Preps - July 2021

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    Blog Post
    ...for doing gene targeting, reporter generation, controllable gene knockouts, and inducible gene inactivation...design. B) Strategy for leak-free transcriptional control. C) Iterative transduction workflow overview. Image...SL-insensitive fluorophore (LSSmOrange) as an internal control and a SL-sensitive fluorophore (circularly permuted...the cpGFP without altering that of the internal control (Fig 1). Because this method relies on the fluorescence...
  13. Addgene's Top 10 Blog Posts of 2015

    Type
    Blog Post
    ... 10. Plasmids 101: Control Plasmids Need help thinking about the types of controls you’ll need for your...provides researchers with many different ways to control gene expression. Get the full scoop from Addgenie...Addgenie Chari Cortez guides us through some common controls and why you might need them. Happy Reading!   ...
  14. AAV Packaged on Request is Here!

    Type
    Blog Post
    ...necessary MTA, then start production and quality control.  Our packaged on request AAV service uses the ...the same trusted production and quality control processes as our in-stock service: ddPCR, purity testing...blog post on viral vector production and quality control, our AAV Packaged on Request webpage, or our announcement...
  15. Antibodies 101: Multiplex Immunofluorescence

    Type
    Blog Post
    ...colors you like. Controls and validation Can’t forget the controls! The necessary control experiments will...from Addgene), or be prepared to run some extra controls and validate the antibody yourself. If you can... we’ll walk you through the necessary types of controls for a multiplex experiment.  Check for non-specific...using a different antibody.  Prepare a positive control Prepare and label a sample that expresses your ...naturally or by overexpression, for a positive control. You can also confirm the secondary works as expected...
  16. Plasmids 101: Plasmid Incompatibility

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    Blog Post
    ... the origin of replication and the replication control machinery (Need a refresher on the Origin of Replication... because they compete for the same replication control machinery within the cell. Most plasmids encode...two models for iteron-based plasmid replication control that are not necessarily mutually exclusive. In...plasmids, different negative regulation systems control plasmid replication of each plasmid using unique... complex than simply competing for replication control factors and tends to be more of a concern with ...Espinosa M, Díaz-Orejas R (1998) Replication and Control of Circular Bacterial Plasmids. Microbiology and...
  17. Antibodies 101: Introduction to Immunofluorescence

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    Blog Post
    ...include controls to show that your antibodies are binding specifically. For positive controls, aim to ... and isotype controls are also commonly used in IF experiments. Precisely which controls you perform will...been manipulated to overexpress it. For negative controls, use samples in which the target is known to be...research antibodies, protocols, and appropriate controls and you will be well on your way to performing...
  18. Plasmids 101: Protein Expression

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    Blog Post
    ...101 eBook! Researchers use various techniques to control protein expression for experimental, biotechnological...successful. Some mammalian systems also allow for control over when a protein is expressed through the use...Protein expression from each of these vectors is controlled by a different promoter resulting in different...to E. coli. Of all the vectors, pET, under the control of the T7 lac promoter and induced by lactose, ...researchers often place recombinant proteins under the control of the galactose inducible promoter (GAL). Other...
  19. The Materials Science of Optogenetics Experiments

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    Blog Post
    ...stimulation itself, the output of the laser must be controlled. As discussed above, each opsin variant has slightly...the A.M.P.I Master-9 Pulse Stimulator, which can control output of several lasers simultaneously, can be...powerful alternatives to the Master-9 that only control one or two lasers are also available. Optimal stimulation...loss of laser power. More recently, wirelessly-controlled optogenetic implants have been reported by several...References 1. Gutierrez DV, et al. Optogenetic control of motor coordination by Gi/o protein-coupled vertebrate...
  20. Fluorescent Protein Travel Awards - FLiPs and Fluorescent Protein Biosensors

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    Blog Post
    ...Xin hypothesized that she could make enzymes controllable by tethering them to Dronpa, a fluorescent protein...their ability to be precisely spatio-temporally controlled as a key advantage over other inducible enzyme... sugars (including lactose), and a lac operon controlled GFP. When the enzyme breaks down the HMO of interest...Photosactivatable Fluorescent Proteins Use Light to Control CRISPR Genome Editing Choose the Brightest Fluorescent...
Showing: 81 - 100 of 497 results