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We narrowed to 222 results for: antibody

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  1. Antibodies 101: Secondary Antibodies

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    Blog Post
    ... secondary antibodies work?  Secondary antibodies are antibodies generated against antibody isotypes from...secondary antibodies. While a primary antibody binds to the protein of interest, a secondary antibody binds...secondary antibody instead of the primary antibody. Since multiple secondary antibodies can bind to a single...’s blog Antibodies 101: Introduction to Immunofluorescence Antibodies 101: ELISAs Antibodies 101: Introduction... A scientist conjugates an antibody with a signaling molecule, the antibody binds to a protein, and then...approach (right). Primary antibodies are represented in blue; secondary antibodies are represented in purple...rabbit IgG class of antibodies. They do so by targeting the Fc region of an antibody, the so-called ‘constant...

  2. Antibodies 101: Polyclonal Antibodies

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    Blog Post
    ...contains the antibodies - is further processed to isolate the antibodies. Most commonly, antibodies of the ...polyclonal antibodies may be pre-adsorbed to remove antibodies that could cross-react with antibodies of another...secondary antibodies (which recognize other antibodies) in experiments that require multiple antibodies that...we’ll cover polyclonal antibodies, one of the many different types of antibodies available (others you’...polyclonal antibodies unique and what experiments you should choose them for. How polyclonal antibodies are ...are produced Polyclonal antibodies are a heterogeneous mixture of many antibodies that recognize the same...immune system, antibodies are produced by B cells. Each individual B cell produces antibodies that all recognize...

  3. Antibodies 101: Monoclonal Antibodies

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    Blog Post
    ...kinds of antibodies that are available. One common type of antibody is a monoclonal antibody. But what...do monoclonal antibodies differ from other types of antibodies? How monoclonal antibodies are made “Monoclonal... specific antibody that the original B cell produced. Because of this, all of the antibodies recognize...for monoclonal antibody production. Image created with BioRender.com.   The antibody-producing B cells...). Why choose monoclonal antibodies for your experiment Monoclonal antibodies are particularly useful ...Conversely, polyclonal antibodies - which are a heterogenous mixture of antibodies that recognize many different...high-avidity antibodies. The same hybridoma is then used to produce all lots of the antibody, meaning that...

  4. Antibodies 101: Introduction to Antibodies

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    Blog Post
    ...about antibodies in our Antibodies 101 animation, What is an Antibody?    The ability of antibodies to ...polyclonal antibodies on our Antibodies 101: Polyclonal Antibodies blog post. Monoclonal antibodies On the...learn more about antibodies and how to use them in the lab! Parts of an antibody Antibodies have two regions...about monoclonal antibodies here. Recombinant antibodies Similar to monoclonal antibodies, recombinant antibodies... the term antibody tossed around in the news or in the lab. But what exactly is an antibody, and how is...research reagent? Let’s find out! What is an antibody? Antibodies, also known as immunoglobulins, are ~150...antigen the antibody recognizes and binds to.   Figure 1: Labeled diagram of an antibody including...

  5. Antibodies 101: Chimeric Antibodies

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    Blog Post
    ...Addgene blog Antibodies 101: Validation Antibodies 101: Polyclonal Antibodies Antibodies 101: Selecting... an ideal antibody against Protein A and an ideal antibody against Protein B. The antibodies are both ...   Chimeric antibodies can help A chimeric antibody is made by changing an antibody’s natural isotype...secondary antibody to bind to the anti-Protein A antibody and an anti-mouse IgG2a secondary antibody to bind...group. If you use two antibodies that are the same isotype then the secondary antibody will bind to both ...of the antibody’s isotypes, however, you could then use 2 different secondaries for your antibody pair ...both of your antibodies are rat IgG1, then you could convert your anti-Protein B antibody to a mouse IgG2a...

  6. Antibodies 101: Selecting the Right Antibody

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    Blog Post
    ...mean that the antibody is guaranteed to work. Antibody-based assays are complex and antibodies may perform...questions on antibody validation? Check out Antibodies 101: Validation!  Download our antibody selection ...experiments require antibodies. You run a quick internet search for the required antibodies and find….hundreds...provide you with some advice on the antibody selection process. Antibodies are not one size fits all When ...of how they are developed, antibodies rarely work for every assay. Antibodies that are generated against...for binding and the antibody will not work. Whenever possible, choose an antibody that has been validated... or a conjugated secondary antibody that will bind to your primary antibody. If you are trying to visualize...

  7. Antibodies 101: Producing Recombinant Antibodies

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    ...Introduction to Antibodies Plasmid-based Recombinant Antibodies Polyclonal Antibodies Resources on addgene.org...polyclonal antibodies are readily available from several sources, fewer sources of recombinant antibodies (rAbs...core, harvesting recombinant antibodies consists of separating antibodies from media, cells, and debris...with cell culture supernatant containing antibodies. The antibodies bind the immobilized ligands and can ...followed by antibody elution. Whatever method you choose, you may not be able to elute the antibodies directly.... If your antibody is not IgG, make sure to look up the setting for your isotype.  Antibody concentration...to note that some antibodies are better suited for certain applications. An antibody that performs well...

  8. Immunocytochemistry

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    ...Immunocytochemistry You may also like... Antibody Plasmid Collection Antibody Blog Posts Antibody Guide Western Blot Protocol... with a primary antibody against a target protein and a fluorescent secondary antibody. Protocols... with a primary antibody against a target protein and a fluorescent secondary antibody. This protocol ...serum albumin (BSA) Triton X-100 Primary antibody Secondary antibody Deionized water Microscope slide Anti-fade...additional information specific to your antibodies, such as antibody concentrations, incubation times, and...reagents. Secondary antibodies must match the host species of the primary antibody. For example, use an... an anti-mouse secondary antibody for primary antibodies raised in a mouse. Reagent Preparation Permeabilization...

  9. Antibody Validation Using the Indirect ELISA Method

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    ...also like... Antibody Plasmid Collection Antibody Blog Posts Antibodies 101: ELISA Antibodies 101: The Four...recombinant antibody Isotype control antibody HRP-conjugated isotype-specific secondary antibody ELISA 96...primary antibody and an isotype control antibody to the desired concentrations in the antibody dilution... Protocols Antibody Validation Using the Indirect ELISA Method Antibody Validation...Immunocytochemistry Protocol Recombinant Antibody Purification Protocol Antibody Guide Introduction This protocol... 2: Blocking Day 3: Primary antibody incubation Day 4: Secondary antibody incubation and plate read Tips...isotype-specific secondary antibody to the desired concentrations in the antibody dilution buffer. Cap and...

  10. Western Blot

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    ...Blot You may also like... Antibody Plasmid Collection Antibody Blog Posts Antibody Guide Immunocytochemistry...the primary antibody. For example, use an anti-mouse secondary antibody for primary antibodies raised in...block, incubate with primary antibody Day 2: Incubate with secondary antibody Video Watch this instructional...Chemiluminescence substrate Plastic wrap Primary antibody Secondary antibody Deionized water Before Starting Refer...information specific to your antibody, such as ideal blocking buffer and optimal antibody concentrations. Consider...Consider titrating your antibody to determine the optimal dose. Secondary antibodies must match the host ...shaking platform. Section 6: Antibody incubation Dilute the primary antibody to the desired concentration...

  11. Transfection for Recombinant Antibodies

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    ...Recombinant Antibodies You may also like... Antibody Plasmid Collection Antibodies Blog Posts Molecular ...168 h post-transfection): Harvest antibody. Section 4: Harvest antibody At 168 hours (1 week) post-transfection...containing the recombinant antibody can be used as-is or the recombinant antibody can be purified from the... produce recombinant antibody. Protocols... Protocols Transfection for Recombinant Antibodies Transfection for Recombinant...Reference General Transfection Protocol Recombinant Antibody Purification Protocol Introduction Transfections...transfect suspension HEK293 cells with recombinant antibody plasmids using Polyethylenimine Max as a transfection...

  12. Coomassie Purity Stain of Recombinant Antibodies

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    ...Recombinant Antibodies Coomassie Purity Stain of Recombinant Antibodies You may also like... Antibody Plasmid...Plasmid Collection Antibody Blog Posts Antibody Guide Transfection for Recombinant Antibodies Recombinant Antibody...Prepare the recombinant antibody Dilute or concentrate purified recombinant antibody to a concentration of...determine purity and concentration of recombinant antibodies using ready-to-use biosafe Coomassie stain and... Antibody Purification Protocol Introduction This protocol describes how to determine the purity and concentration... concentration of recombinant antibodies using ready-to-use bio-safe Coomassie G-250 stain (Addgene uses...electrophoresis alongside serial dilutions of a standard antibody of known concentration. After staining with Coomassie...

  13. Affinity Purification of Recombinant Antibodies with Protein A or Protein G

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    ...G You may also like... Antibody Plasmid Collection Antibody Blog Posts Antibody Guide Transfection for...Recombinant Antibody Affinity Purification with Protein A or Protein G Recombinant Antibody Affinity Purification...affinity purify recombinant antibodies. Workflow Timeline Day 1: Purify antibody Day 2 or later: Buffer exchange...the recombinant antibody to room temperature (see Transfection for Recombinant Antibody protocol ). Pro-Tip...use. Determine antibody concentration on the NanoDrop Spectrophotometer. Dilute antibody to 1 mg/mL with... describes how to affinity purify recombinant antibodies from cell culture supernatant using Protein A...for Recombinant Antibodies Immunocytochemistry Protocol Western Blot Protocol Introduction This protocol...

  14. Protocols for Molecular Biology, Plasmid Cloning, and Viral Preps

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    ...mammalian cells to produce antibodies Antibody Purification Purify recombinant antibodies using Protein A or ...testing your virus preparations. Antibodies Protocols for common antibody applications. Intro to the Lab...Video! Immunocytochemistry Use antibodies to detect antigens in cells Antibody Validation Using the Indirect...physical titer of your lentivirus preparation Antibodies Name Description Link to Video Transfection Introduce...Determine purity and concentration of recombinant antibodies Watch the Video! Western Blot Separate and detect...a purified antigen to demonstrate the expected antibody dose response....

  15. Antibodies

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    ...questions. All Antibodies Ready to use antibodies? Browse Addgene’s collection of antibodies developed and... New to using antibodies? In our Antibody Guide, we define key terms, summarize antibody production and... use your antibody. Antibody Blog Posts Recipient Instructions Addgene Help Center Antibody Protocols ... Antibodies Addgene distributes ready-to-use recombinant antibodies to help facilitate... for Antibody Plasmids? Browse our collection of affinity reagent plasmids - including antibodies, nanobodies... Addgene's ready-to-use monoclonal recombinant antibody collection. These affinity reagents are expressed...reagents that are expressed from plasmids. These antibodies undergo application-specific validation and consistent...

  16. Antibodies 101: Validation

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    Blog Post
    ...expression of antibody-independent approaches to your antibody-dependent approach. Antibody-independent ...choose an antibody? Check out our Selecting an Antibody blog post! Learn more about Antibodies and their...applications in our Antibodies 101 blog series New to antibodies? Read our Antibodies 101: Introduction ...means, such as through antibody databases like Antibodypedia or through your antibody provider(s) if they...considerations you should review before using an antibody.  Antibodies and Reproducibility First, let’s review... an antibody’s affinity and specificity for a given target and it is all too common for antibodies to ...Group on Antibody Validation (Uhlen, et al., 2016). This group proposed 5 Pillars of antibody validation...

  17. Antibodies 101: ChIP

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    ...s blog Antibodies 101: Immunoprecipitation  Antibodies 101: Polyclonal Antibodies Antibodies 101: Introduction...DNA Incubate your antibody, or antibodies, with your samples, and then use an antibody capture method such... ChIP works by using antibodies to capture protein:DNA complexes with antibodies specific to your protein...mask the epitopes antibodies recognize. It is therefore best to either select antibodies validated for ChIP...incubate the sample with your antibody.  Both polyclonal and monoclonal antibodies can work well in ChIP. If...Introduction to Antibodies Resources on Addgene.org Find plasmids encoding recombinant antibodies at Addgene... ChIP or to validate your antibody on crosslinked proteins. In the case of histone modifying proteins,...

  18. Antibodies 101: Immunoprecipitation

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    ... the same basic strategy: immobilize the antibody or antibody-target protein immune complexes, wash away... this method, the free antibody is incubated with the protein mix and antibody-target protein immune complexes... the process of anchoring an antibody, often called the capture antibody, to agarose or magnetic beads...primary antibody has the additional benefit of permanent linkage. This means that the primary antibody will...primary antibody interfering with downstream assays. This is particularly advantageous if the antibody used...learn more about antibodies here!) When using Protein A/G to immobilize the antibody, it is recommended... using a nonspecific antibody from the same host species as the capture antibody. This will deplete the...

  19. Antibodies 101: Isotypes

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    ...region (see Antibodies 101: Introduction to Antibodies for a refresher). There are five antibody isotypes...Intro to Antibodies post Check out our Antibodies 101: What is an Antibody animation  Resources on Addgene.org...heard of an antibody isotype? An isotype determines several key characteristics of an antibody as well as...And how do antibodies switch isotypes? What is an isotype? An isotype is a class of antibody that’s determined...region.   Why are antibody isotypes important? To your immune system, an antibody’s isotype is important...Transportation of antibodies to places they can’t reach on their own. The antibody’s heavy-chain constant...milk. When using antibodies in the lab, it’s useful to know the isotype of an antibody so you can select...

  20. The Twelve Days of Antibodies

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    ...day of Antibody, Addgene gave to me…  An Antibodies 101 eBook!  🎶On the second day of Antibody, Addgene...day of Antibody, Addgene gave to me…  An online Antibody Guide!    🎶On the fourth day of Antibody, Addgene... of Antibody, Addgene gave to me… The Addgene Antibody Data Hub!    🎶On the sixth day of Antibody, Addgene...day of Antibody, Addgene gave to me… Antibodies developed by IPI!   🎶On the eighth day of Antibody, Addgene...  🎶On the ninth day of Antibody, Addgene gave to me… A neuroscience antibody collection!   🎶On the tenth...day of Antibody, Addgene gave to me…  A recombinant Anti-APP!   🎶On the eleventh day of Antibody, Addgene... the twelfth day of Antibody, Addgene gave to me…  A growing recombinant antibody collection!     ...
Showing: 1 - 20 of 222 results