We narrowed to 628 results for: rel
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TypeBlog PostPublishedAug. 28, 2014, 3:34 p.m....the reaction on an agarose gel to determine the relative sizes of the resulting DNA fragments. Restriction...) shows 3 possible plasmid conformations, with relaxed and nicked marked with asterisks (*). When the ...conformations the most abundant being: supercoiled, relaxed and nicked. If your digest lanes look like your...
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Viral Vectors 101: The AAV Retrograde Serotype
TypeBlog PostPublishedApril 27, 2023, 1:15 p.m.... workhorse adeno associated virus (AAV) shows relatively low retrograde transport efficiency in most serotypes... -
K. phaffii: Rising to the Occasion
TypeBlog PostPublishedApril 4, 2023, 1 p.m..... A unique evolutionary feature of K. phaffii, relative to S. cerevisiae, is that it predominantly uses...enabling study of human-relevant pathways (Liu et al., 2017). Beyond human relevance, yeast have many applications...following decades, Phillips made the decision to release the K. phaffii expression system to the general...glucose or glycerol). K. phaffii is only distantly related to S. pombe and S. cerevisiae; evolutionarily it... -
Hot Plasmids - January 2023
TypeBlog PostPublishedJan. 31, 2023, 2:15 p.m....epitopes on GFP Monoclonal antibodies can yield relatively low signal in immunoassays due to only having...antibody per target just isn’t enough and we recently released Anti-GFP [N86/8R] as another option for targeting...tested hfYFP in expansion microscopy as well as correlative light and electron microscopy and observed high... -
Quick Guide to Working with Drosophila Part 2: Controlling Gene Expression in Flies with Gal4/UAS
TypeBlog PostPublishedJuly 21, 2017, 12:48 p.m....make your own. In my next post, I’ll explain the relatively straightforward process of generating your own... -
Antibody Neutralization Response Against Pseudoviruses Expressing SARS-CoV-2 Spike Protein Variants
TypeBlog PostPublishedJune 22, 2021, 1:15 p.m.... the vaccine, we've been able to measure their relative ability to neutralize.” Figure 2: Sera...resources on the Addgene blog Browse all COVID-19 related blog posts Learn more about pseudotyping Resources... -
Behind the scenes: Addgene’s new search engine and more
TypeBlog PostPublishedDec. 12, 2019, 2:22 p.m....adding more terms. Weighting We determined the relative importance of different bits of information for...completeness of our information, and the accuracy and relevance of our search results. The footer and improved...search engine to return only the filters that are relevant to a specific query and category. For example,...shortcuts to specific catalog items as well as related items (for example, a kit that contains a plasmid... -
Predicting Adverse Reactions to Monoclonal Antibody Drugs
TypeBlog PostPublishedFeb. 13, 2024, 2:15 p.m....trained on vast amounts of data to calculate the relative immunogenicity score (Mattei et.al., 2022). ...Antidrug Antibody Formation in Oncology: Clinical Relevance and Challenges. The oncologist, 21(10), 1260–1268... -
REPLACR Mutagenesis: Replacing In Vitro Recombination Methods
TypeBlog PostPublishedFeb. 10, 2016, 3:30 p.m.... a given disease. CRISPR has made genomic SDM relatively straightforward, but plasmid-based SDM has lagged...directed mutagenesis methods Current SDM methods rely on in vitro assembly. To make a point mutation, ...some of which are proprietary. These methods also rely on ssDNA ends to match up regions of homology, so...better one. Trehan et al. wondered if, instead of relying on in vitro assembly, they could make the E. coli... -
Dos & Don'ts When Publishing a Scientific Manuscript
TypeBlog PostPublishedMay 22, 2014, 4:02 p.m....data behind the figures and results. This is a relatively new development, and it allows reviewers and ...significantly improve the reproducibility and reliability of science publications. Peer reviewing To make...make sure your manuscript is perceived as a reliable source of information, it is best to submit it to... -
Antibody Validation for Flow Cytometry
TypeBlog PostPublishedSept. 10, 2024, 1:15 p.m....populations and to study relative protein expression. Its reliability will be entirely dependent on the selectivity...and the abundance of the epitope in the sample, relative to cross-reactive antigens – that is, an antibody... are relying on correlations between actual antibody labeling and expected labeling. Correlation cannot...practice to combine correlation with other approaches when possible. Finally, correlation of -omics data ... antibody selectivity even more challenging. Correlation with RNA or Proteomic data from multiple cell...identification of the cell types of interest. By correlating your data sets, you can increase confidence that... of an orthogonal approach to understand the relationship between antibody staining intensity by flow ... -
OCaMP: A New Calcium Indicator for Neural Imaging
TypeBlog PostPublishedAug. 19, 2025, 1:15 p.m....raw %}{"no_follow":false,"open_in_new_tab":true,"rel":"noopener","sponsored":false,"url":{"content_id"...critical roles in nerve and muscle function, hormone release, and cell signaling throughout the body. Because...fluorescent toolbox Modern neuroscience experiments often rely on multiplexing, where multiple fluorescent tools... -
Viral Vectors 101: Types of viruses
TypeBlog PostPublishedJune 6, 2023, 1:15 p.m....induce a lower inflammatory response within hosts. Relative to the other viruses discussed in this article...lentivirus and gamma-retrovirus are so closely related, their required components are very similar. While... -
Viral Vectors 101: Viruses as Biological Tools
TypeBlog PostPublishedMarch 21, 2023, 1:15 p.m....mutagenesis in the host. Adenoviruses can deliver relatively large cargo inserts (>8 kb). Adeno-associated...used to achieve transient, high expression of the relevant cargo without the fear of random genomic integration... -
Sharing is Caring: But How to Distribute Open Hardware?
TypeBlog PostPublishedFeb. 28, 2023, 2:15 p.m....their work on the shoulders of giants. The still relatively young movement of sharing open hardware has a...device for individual experiments. Manufacturers rarely provide the construction plans or CAD (computer...enabling this work. Sharing open-source plans that rely on such tools has allowed the community to regularly...bringing cutting-edge research to everybody by relying on tailored image processing and low-cost optical... -
Antibodies 101: Buffers, Storage, and Conjugates
TypeBlog PostPublishedFeb. 1, 2022, 2:15 p.m....can be very helpful if you're trying to find a relatively rare protein in an experiment with many proteins... -
Antibodies 101: Secondary Antibodies
TypeBlog PostPublishedDec. 21, 2021, 2:15 p.m....absolute quantitative analysis of a sample. Instead, relative quantification can be done using either the direct...identifies proteins solely by weight and size, relying on the signaling molecule solely asmeans of visualization...assays. A brief note Since the indirect method relies on multiple secondary antibodies attaching to a... -
Hot Plasmids - June 2019 - Optogenetics, Acoustic Reporter Genes, microRNAs, and the CRISPR-Cas9 system CHIME
TypeBlog PostPublishedJune 6, 2019, 12:41 p.m.... present, it will repress expression of mKate2 relative to EBFP2. Weiss’s group used these reporters to... it inactive, thus inhibiting neurotransmitter release. How is this light-mediated? The researchers split...visualizing the location and function of microbes rely heavily on fluorescent protein genes. These optical... -
CasPEDIA: A Functional Classification of Cas Enzymes
TypeBlog PostPublishedJan. 25, 2024, 2:15 p.m....sequence (NGG, etc.) as well as their orientation relative to the gRNA (5’ or 3’). In some cases, there is... Links to relevant resources The homepage displays a graphic describing CasIDs and relevant properties... What are the features? CasPEDIA has collected relevant information on all the Cas enzymes you know and... -
Prime Editing: Adding Precision and Flexibility to CRISPR Editing
TypeBlog PostPublishedJan. 13, 2025, 9:49 p.m....efficiency of Cas9 cleavage is relatively high while the efficiency of HDR is relatively low, meaning that most...Anzalone et al., 2019). PE3, as originally introduced, relies on the PE2 enzyme. PE4 and PE5: Engineering mismatch...act first. PE4 and PE5, as originally introduced, rely on the PE2 enzyme. PEmax: Optimizing prime editor...