We narrowed to 1,089 results for: ANT
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TypeBlog Post...resources on the Addgene blog Antibodies 101: Introduction to Antibodies New Antibody Animation ...bite-sized portions of antibody concepts. Each short video answers an Antibodies 101 question, like "what...what is an antibody?" or "what is an IgE isotype?" @addgene Ready to learn about antibodies? Our new ...new antibodies animation has all the information! Link in bio. #STEM #antibodies #molecularbiology #science...Our popular Antibodies 101 animation is becoming a TikTok series! Follow @addgene on TikTok for bite-...
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Antibodies 101: Affinity Tags
TypeBlog Post...Resources on Addgene.org Addgene antibodies Addgene’s antibody guide Antibody protocols Resources on the...especially if downstream antibody detection is desired… and yes, we have an antibody for that! Fig....of these tags also have commercially available antibodies, resins, beads, and other purification aids readily...are trying to purify The expression system If you want the tag to remain on your protein for downstream... to remove the cleaved tag from solution. MBP antibodies are available for detection and/or purification...purification of MBP-tagged proteins. The antibody is an alternative to amylose resin and also provides a visual...you are having solubility issues!). Need a GST antibody? Addgene has you covered! His His tags, often ... -
Antibodies 101: Multiplex Immunofluorescence
TypeBlog Post...Lab, using recombinant antibodies with different isotypes. (A) Neocortex labeled with anti-pan-Nav (magenta...magenta), anti-CASPR (green), and anti-Kv2.1 (cyan). (B) Cerebellum labeled with anti-GABA-AR β1 (white...white) and anti-GABA-AR β3 (green). (C) Hippocampus labeled with anti-Kv2.1 (magenta), anti-AnkyrinG (green... secondary antibodies will bind to each primary antibody. Look for primary antibodies that have ... combination of antibodies: Target (Rat) Primary antibody Secondary antibody SCN1A sodium...channels anti-pan-Nav R-mAb K58/35R (Mouse IgG2a) Goat anti-mouse IgG2a CASPR anti-CASPR mAb ... Goat anti-mouse IgG1 Kv2.1 channel anti-Kv2.1 KC (Rabbit IgG polyclonal) Goat anti-Rabbit IgG... -
Antibodies 101: Fc Effector Functions
TypeBlog Post...Addgene blog Antibodies 101: Introduction to AntibodiesAntibodies 101: IsotypesAntibodies 101: Chimeric...secondary antibodies to bind. We also know that changing the Fc domain can impact an antibody's binding ... affect antibody applications like ELISAs or Western blots, they are key in helping antibodies drive an...responses? We got you! You can also review antibodies in our Antibodies 101 animation.) Many types of immune...receptors that bind to the Fc domain of an antigen-bound antibody and induce (or, in the case of the Fc receptors...a viral infection a) antibody-dependent complement deposition (ADCD) b) antibody-dependent cellular cytotoxicity... et al., 2019. Antibody-dependent complement deposition (ADCD) Antibodies can bind to a pathogen... -
Antibodies 101: Epitope Tags
TypeBlog Post...Addgene.org Addgene’s General Use Antibodies Antibody guide Antibody protocols Additional resources ...of finding a ‘good’ antibody is something we’ve all experienced. Finding an antibody that works for your... common tags, the antibodies used to detect them, and how they can fix your antibody woes. What are...without the need for an antibody. Tags can enable the separation of detection of a mutant protein vs. endogenous...monoclonal antibodies. Below we review the most commonly available tags and their antibodies along with...Addgene blog Antibodies 101: Epitope availability Plasmids 101: Protein Tags Antibodies: Of Myc and Men...Epitope tags eliminate the need for target-specific antibodies and have been widely used across species and ... -
The AAVantages of AAV in CRISPR Screens
TypeBlog Post...library to a significant degree using different types of AAV. Expression Another advantage of AAV vectors...ones. In those cases, AAV vector screens may be AAVantageous! In vivo, in vitro, ex vivo CRISPR screens...cells with the CRISPR library in vitro before transplanting them into mice. For in vivo screens, mice are...locations that could cause deleterious effects. It is important to note, however, that while AAV rarely integrates...the amount of cloning, another option is to use variants of Cas9, like split Cas9, or a smaller Cas9 ortholog...Laboratory). https://doi.org/10.1101/2023.06.13.544831 Santinha, A. J., Klingler, E., Kuhn, M., Farouni, R., Lagler... -
New Antibodies in the Lab Animation!
TypeBlog Post...animation is here to help! "Antibodies 101: Antibodies in the Lab" shows how antibodies are used to study proteins... Addgene Addgene's Antibody Guide What is an Antibody? animation Addgene's Antibody 101 eBook ...Thinking about using antibody-based applications in your experiment...but not sure where to start or ...introduction to — or quick refresher on — these common antibody applications. Thanks for watching, and we hope... -
The Addgene Antibody Data Hub
TypeBlog Post...which antibody to request for your experiment! Addgene’s Antibody Data Hub Addgene’s Antibody Data Hub...Updated AAV Data Hub Antibodies 101: Validation Antibodies 101: Selecting the Right Antibody...the Addgene antibody collection can look at user-deposited data detailing how an antibody performed in...Figure 2: Search options in the Antibody Data Hub. Data reports Each antibody submission is used to create...immunocytochemistry experiment performed with the anti-Lhx6.1 antibody. For a more detailed understanding of... the antibody performed. Figure 5: Results for the data report shown in Figure 3. The antibody is rated...requesting an Addgene antibody, the Data Hub can help you decide if an antibody is a good candidate for... -
Antibody Validation for Flow Cytometry
TypeBlog Post...reagents, such as recombinant or hybridoma-derived monoclonal antibodies. It is also important to seek out ...Synaptotagmin-1 antibodies and corresponding Multi-rAb CoraLite® Plus 647 secondary antibodies. Antibody staining...0.35 µg/mL (1/100). * = monoclonal antibody, ** = recombinant antibody. Figure adapted from Biddle et al...multiple antibody clones targeting the same protein (independent antibodies). If two antibodies, that recognize...Good Antibodies, with significant input from Michael Biddle, PhD, also from Only Good Antibodies. The ...2023). Scaling of an antibody validation procedure enables quantification of antibody performance in major...Antibody validation is to confirm (or refute) that the antibody is selectively detecting the target-of-interest... -
Antibodies 101: Fab Fragments
TypeBlog Post...regions of the antibody that actually bind antigens. Figure 1: IgG antibody structure with...portion of the antibody. Fab fragments are useful when you just need an antibody’s antigen binding function... Why Fabs? Antibody fragments have a handful of advantages over full antibodies. Their smaller size...as primary antibodies, you can make your own antibody fragments as needed. In contrast, anti-IgG antibodies...secondary antibody recognizes endogenous antigens. In these cases, even though one full antibody may be ...Prospects of Antibody Fragments. Antibodies 8(2):28. https://doi.org/10.3390/antib8020028 Wessel GM...However, sometimes you want a tool that is a little more compact — more of an antibody fragment rather than... -
Antibodies 101: Flow Compensation
TypeBlog Post...your samples with multiple antibodies, the fluorescent probes on the antibodies may have similar emission...Introduction to Gating in Flow Cytometry Antibodies 101: Flow Cytometry Antibodies 101: Conventional vs. Spectral...this handy emission spectra chart to find your antibody's spectra). Your cytometer will therefore record...BioLegend’s Fluorophore Guide Chart. Pro tip! Some antibodies go by different names depending on your flow ... -
Year of the Camelid: Antibody Style
TypeBlog Post...heavy-chain only antibodies in the serum of a camel and soon after found similar antibodies in llamas and...Comparison of a heavy-chain only antibody and single-domain antibody, under the commercial "Nanobody" ...to other antibodies and affinity reagents. But for a quick refresher, some of the advantages of sdAbs ...conventional primary antibodies, and there are unique benefits to using sdAbs as secondary antibodies. sdAbs, however...single-domain antibodies genetically fused to fluorescent proteins and used to visualize target antigens in living...single-domain antibodies without the need for a species that naturally produces heavy-chain only antibodies. (A)...heavy chain only antibodies) (B) Nanomice express hybrid heavy-chain only antibodies that are the source... -
3 Challenges in Plant Synthetic Biology
TypeBlog Post...limited understanding of plant biology is a significant technical obstacle to plant synthetic biology. We...pigments (anthocyanins), and the plant circadian clock. Petunias have been a model organism for plant research...here. The first transgenic plant was engineered over 30 years ago, but plant synthetic biology is still...because working with plants can be challenging, there are a lot of unexplored areas in plant biotechnology that...themselves if they want this beautiful flower in their front yard or not. By developing plant aesthetics with...pivot towards plant biotechnology and provide a much needed boost to basic molecular plant research, more...the lack of resources associated with plant synthetic biology. Plant molecular biology has traditionally... -
Six Spooky Science Stories and Halloween at Addgene
TypeBlog Post...science stories Zombie ants Ophiocordyceps unilateralis is a fungus that infects ants and controls their ...atrophy. After the ant’s death, the fungal fruiting bodies being to sprout out of the ant’s body. The fruiting...their behavior. These ants become “zombies” and leave their foraging trail. They climb upwards until they ...temperature and humidity favors fungal growth. The ants bites down and locks their jaws into a leaf, and... onto the forest below for the next unsuspecting ant to stumble upon. Vampire bacteria Vampirovibrio chlorellavorus...genes were appropriately named as spook, spookier, phantom, disembodied, shadow, and shade. Tongue-eating ... -
Droplet Digital PCR for AAV Quantitation
TypeBlog Post...should first note that quantitative PCR (qPCR) has been a powerful tool for quantifying AAV for some time ...producing AAV vector preparations, we have used quantitative PCR to evaluate the physical titer of our preps...digital PCR (ddPCR) comes in. AAV titering using quantitative PCR Before we dive into the details of ddPCR...of a standard - a set of reactions with known quantities of DNA. Additionally, an AAV reference, a virus...by ddPCR begins with diluting the virus. It is important to note that the dynamic range of the ddPCR is...PCR plate. Maintaining a high droplet count is important for calculating the concentration of your sample...separation (Witte et al., 2016). This is particularly important if your amplicon is longer than 150 base pairs... -
Important Considerations When Using AAVs
TypeBlog Post...non-enveloped viruses, so they are resistant to alcohol-based disinfectants. A 10% bleach solution should ...value greatly. Applying this mantra to AAV selection, there are three important factors related to location...and using AAVs have in common? The three most important items when looking for a house and choosing an...location, location! Just like this common real estate mantra, the choice of serotype (which determines which...the cell type under study. Many AAVs will show significant expression in a variety of cell types, but you...retrograde transport) or towards the synapse (anterograde transport), which is a possible mechanism for...and 9, not only do they undergo retrograde and anterograde transport, but they also have similar transport... -
Antibodies 101: Buffers, Storage, and Conjugates
TypeBlog Post...s blog Antibodies 101: Monoclonal Antibodies Antibodies 101: Polyclonal Antibodies Antibodies 101: Introduction...Introduction to Antibodies Resources on Addgene.org Find plasmids encoding recombinant antibodies at Addgene... Once you get your exciting new antibody, the second thing you’ll want to do is store it away safely. ... check it whenever you use the antibody. This information is important, and you’ll need to track it throughout...accidentally leave your antibody out on the bench overnight. Do not panic! Typically, antibodies are okay if they...light-sensitive conjugate on the antibody left exposed to light? Has this antibody been left out, gone through...are planning to conjugate your antibody in the lab, you’ll therefore want to research your conjugation ... -
Antibodies 101: The Basics of Western Blotting
TypeBlog Post...and detection with antisera: a method for studying antibody specificity and antigen structure. Proceedings... repeatedly stripped of an antibody and reprobed with different antibodies allowing multiple targets to...binding to the antibodies during the stain. The ideal blocking buffer depends on the antibodies and labels...your primary antibody Once the membrane has been blocked, it is stained with a primary antibody against your...interest. But which antibody should you use? You will likely find several different antibody options targeting... their antibody binds to protein of the correct size. Many vendors will show that the antibody binds to...that the antibody efficiently binds to endogenously expressed protein at physiologically relevant levels... -
CRISPR-mediated Plant Base Editors
TypeBlog Post...editor would restore antibiotic resistance. To find such a protein, they created a mutant library of E. coli...improving base editing platforms for plant systems. Figure 2: Plant base editor platforms and their...components. Adenine base editors for plant We developed plant adenine base editor (ABE) vectors to install... Cytosine base editors for plant There are several CBEs available for plant systems. Target-AID based ... Figure 3: Activity windows of plant base editors. Plant CBE and ABE with expanded PAM compatibility...constructed a number of plant base editors replacing the SpCas9 with the mutant versions of SpCas9 and ...the base editing scope in rice by using Cas9 variants." Plant biotechnology journal (2018). PubMed PMID:... -
Antibodies 101: Reading a Flow Plot
TypeBlog Post...license. In the third plot, anti-CD14 and anti-HLA-DR antibodies conjugated to fluorescent markers...Cytometry Plasmid-based Recombinant Monoclonal Antibodies Introduction to Antibodies ... is a cell, but it could be debris or unbound antibodies.) Each event read by the machine is plotted as...conceptualize where the populations are, try drawing a quadrant over the plot that divides it into four, using...different populations by imagining (or drawing) a quadrant over the dot plot. Created with biorender.com....Biorender! While a helpful visualization tool, a quadrant will often be too clean for real-world data. Most...using a panel of markers, which is comprised of antibodies conjugated to fluorescent markers and/or cellular...