We narrowed to 524 results for: erf
-
TypeBlog PostPublishedDec. 6, 2022, 2:15 p.m....use a unique and powerful high-throughput screen to select variants based on performance metrics specifically...Near-infrared (NIR) fluorescent proteins promise better performance for in vivo use and deep-tissue imaging. Vladislav...for screening candidate biosensor variants for performance under two-photon fluorescence lifetime imaging...produce a temperature sensor that significantly outperforms previous designs. B-gTEMP is excitable under ...
-
Live and Let Dye: Self-Labeling Protein Tags
TypeBlog PostPublishedApril 16, 2024, 1:15 p.m....use. Or you can really capitalize on the dye’s performance and use super-resolution or single-molecule techniques...fluorescent ligand and see the results right away. Or perform pulse-chase experiments by sequentially adding ...priority, SNAP-Tag or HaloTag have been shown to perform differently for different ligands (Wilhelm et al...super-resolution imaging, HaloTag gives better performance than SNAP-tag (Erdmann et al., 2019). Check out...new ligands for these systems, enhancing their performance and ease of use. With so many possibilities from... -
The Addgene Antibody Data Hub
TypeBlog PostPublishedSept. 12, 2024, 1:15 p.m....user-deposited data detailing how an antibody performed in an experiment. Figure 1: The front page ...contains experimental data showing how the antibody performed in the submitted application, along with a brief... results of an immunocytochemistry experiment performed with the anti-Lhx6.1 antibody. For a more detailed..., and a short description of how the antibody performed. Figure 5: Results for the data report shown... -
Custom CRISPR Screens & the Green Listed Software
TypeBlog PostPublishedJuly 11, 2017, 2:30 p.m....phenotypic readout, similar mapping could be rapidly performed by targeting all potential components of a signaling...antibodies. Antibodies could further be used to interfere with the identified surface proteins, and such...available through Addgene. This means you could perform a screen with one library from Addgene, and then... in vitro, but there is enormous potential in performing in vivo screens, studying genes affecting cellular...the information that you have input in the web interface, making it convenient for you to later identify... -
A Needle in a Base-Stack: Cas9 Structural Biology
TypeBlog PostPublishedJune 4, 2024, 1:15 p.m....unwind the DNA and check for sequence matches; a perfect guide RNA will do you no good if there is no adjacent...tolerates mismatches in the next 8-10 bases after perfect pairing in the seed sequence. Figure ...lab mutated the residues in this loop to produce SuperFi-Cas9, a high-fidelity variant that still retains... CRISPRing! Molecular graphics and analyses performed with UCSF ChimeraX, developed by the Resource ...Bravo, J. P. K., Liu, M.-S., Hibshman, G. N., Dangerfield, T. L., Jung, K., McCool, R. S., Johnson, K. ... -
Hot Plasmids and Viral Preps - July 2021
TypeBlog PostPublishedJuly 27, 2021, 1:15 p.m....fluorescent biosensor. Image from Chesterfield et al., 2020 Chesterfield et al., ACS Synthetic Biology... and physiology in vitro and have emerged as a powerful model for understanding human physiology, development...the Rawlins Lab have compiled a new toolkit for performing genetics studies in organoids. The Organoid EasyTag... -
Management for Scientists: Giving Feedback
TypeBlog PostPublishedFeb. 6, 2015, 2:46 p.m....format not only enables you to discuss a person's performance or what has been learned, it helps to plan effective...of indirect language You must be honest about performance problems. While giving corrective feedback isn... or use indirect language to talk about real performance issues. Watch this little video to learn more...don’t know how you actually feel about their performance. Giving honest and helpful feedback gets easier... -
Pushing the Limits of DNA Assembly
TypeBlog PostPublishedSept. 6, 2017, 1:01 p.m....primers that contain the regions of homology. A powerful resource for planning an NEBuilder HiFi DNA Assembly... which is freely available online. Its simple interface can guide you through both experimental and primer...design results in covalently joined, scarless DNA – perfect for transformation or as a PCR template. Some...designing primers with your desired mutation, performing PCR to generate the mutation and linearizing ... -
K. phaffii: Rising to the Occasion
TypeBlog PostPublishedApril 4, 2023, 1 p.m....We all know that yeast is a powerful eukaryotic model organism – its genome is easy to manipulate, it...expression K. phaffii first gained attention for its powerful promoter of a gene important for methanol usage...essential for sequestering certain enzymes and performing specific oxidative reactions. They are found ...predominantly uses non-homologous end joining (NHEJ) to perform DNA double strand break repair instead of homologous... -
Hot Plasmids - January 2023
TypeBlog PostPublishedJan. 31, 2023, 2:15 p.m....constructs Anti-GFP [N86/8R] ready-to-use antibody Hyperfolder YFP CRISPR-Csm: A novel RNA targeting system...Another reason is that some antibodies may just not perform as well in one application as another, so it is...eLife.43322. PMID: 30667360; PMCID: PMC6377228. Hyperfolder YFP- a chemically stable tool for microscopy ... The Liu and Petsko labs recently engineered hyperfolder YFP (hfYFP), a FP well-suited for the demands... -
Clear and Accessible Writing
TypeBlog PostPublishedFeb. 15, 2024, 2:15 p.m....details of collecting the purified AAV–that the interfaces between layers are blurred after centrifugation...the syringe needle is inserted bevel-up at the interface between the 40% and 60% layers. Putting them all...iodixanol gradient after ultracentrifugation. The interfaces between layers are muddled due to the passage...collect purified AAV, insert a syringe at the interface of the 40% layer containing the virus and 60% ... -
Plasmids 101: Screens vs. Selections
TypeBlog PostPublishedNov. 10, 2022, 2:15 p.m....treat cells with many different drugs and then perform an assay to look at an outcome. Your scientific...libraries targeting all known genes. This is a perfect example of an unbiased, reverse screen – all known...capacity. Drug screens, on the other hand, are often performed as biased forward screens. A given panel of drugs... phenotype. For example, a drug screen may be performed on a cell line possessing a patient mutation to... -
Behind the scenes: Addgene’s new search engine and more
TypeBlog PostPublishedDec. 12, 2019, 2:22 p.m....you need quickly. Through the years, we have perfected processes to curate the data our depositors share...down, and zooming out — with an intuitive user interface. The team approached the issue from multiple... search, our updated search engine is now more powerful, intuitive, and searches across all of our content...built our new search engine atop Elasticsearch, a powerful open-source search engine that can scale to search... -
How to Keep a Lab Notebook for Bioinformatic Analyses
TypeBlog PostPublishedJune 2, 2016, 2:30 p.m....computation, but they will serve you well as you perform analysis after analysis after analysis… Treat ...background on other analyses that have inspired you to perform this analysis. Having a clearly stated, specific...the scripts and input files that will be used to perform each task. Conclusion: Always, always, write ...know that the file is the output of the analysis performed in experiment 1. Use camelCase: In camelCase... -
Antibodies 101: Secondary Antibodies
TypeBlog PostPublishedDec. 21, 2021, 2:15 p.m....antibody. Perform a second series of wash steps. Activate the signaling molecule and perform the assay...antibodies to bind to a primary antibody without interfering with the hypervariable region, where an antibody...sample with the primary (unconjugated) antibody. Perform a series of wash steps to remove any unbound or... -
Antibodies 101: Conjugation
TypeBlog PostPublishedMarch 26, 2024, 1:15 p.m....BioRender.com. Many biologists can lead perfectly blissful, productive lives without thinking about...conjugated antibody will have been verified to perform the same as its unconjugated version, but if you...that you will need to confirm your antibodies’ performance after the reaction. If you are looking to conjugate...the antimicrobial agent sodium azide, which can interfere with conjugation reactions. If needed, you can... -
Tagging Optogenetics and Chemogenetics Receptors: Fluorescent Proteins and Other Options
TypeBlog PostPublishedMay 11, 2021, 1:15 p.m....of Medicine. Optogenetics and chemogenetics are powerful tools to modulate the activity of neurons and ... be the best option. Fluorescent proteins can interfere with fused protein function Under some circumstances...found that the fluorescent proteins can, indeed, interfere with the correct function of the protein of interest...transgene of interest. In our studies, mCherry interfered with the transport to the membrane of the DREADDs... -
Writing Scientific Manuscripts: Literature Searching, Reading, & Organizing
TypeBlog PostPublishedMay 5, 2015, 3:54 p.m.... work was performed that could influence the results? The peer-review process is not perfect, so even ..., statistics, clarity in images etc)? Did they perform all of the appropriate controls? Refer back to ...misinterpretations. After all, the science was performed, written and evaluated by humans. Keeping up with... -
Rabies and Neuronal Tracing
TypeBlog PostPublishedMay 29, 2018, 1:51 p.m....after, we learned about organs and the jobs they perform. This became foundational later on when we studied...genetically engineered neurotropic viruses emerged as powerful tools for visualizing neural connectivity (Nassi...with restricted TVA and G protein expression is a powerful development in neural tracing. Using these technologies...outputs. In general, RABV monosynaptic tracing is a powerful tool that can be used to reveal brain circuitry... -
Synthetic promoter AAVs for cell-type specific expression in retinal cells
TypeBlog PostPublishedMarch 12, 2020, 1:15 p.m.... containing the active promoters at Addgene. Performance of synthetic promoter AAVs in mice All of these...promoter plasmids! Comparing synthetic promoters performance in mouse, monkey, and human retinas Next, the...in monkey and human retinas. By comparing the performance of promoters across these three species, the ...vectors References Juettner, J., Szabó, A., Gross-Scherf, B., Morikawa, R.K., Rompani, S.B., Hantz, P., ...