We narrowed to 812 results for: APP
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TypeBlog PostPublishedJuly 9, 2020, 1:15 p.m....noticed one of the biggest differences between applying for an academic position versus an industry position...interview is an opportunity to learn something and then apply it to the next interview. Perhaps an interviewer...
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Plasmids 101: The Wide World of Natural Plasmids
TypeBlog PostPublishedOct. 8, 2024, 1:15 p.m.... for lightning-mediated gene transfer in soil. Applied and Environmental Microbiology, 67(8), 3440–3444...Bacteria:Their Characteristics and Potential Applications in Biotechnology. Critical Reviews in Biotechnology... -
Progress Towards a PAM-Free CRISPR
TypeBlog PostPublishedMarch 7, 2024, 2:39 p.m....location of the cut and subsequent edit. In these applications, location takes priority over cutting efficiency...in double stranded cleavage and base editing applications, with high editing capacity in both contexts... -
Split Fluorescent Proteins for Studying Protein-Protein Interactions
TypeBlog PostPublishedMay 3, 2022, 1:15 p.m....assess protein-protein interactions. One popular approach is to fuse a protein of interest to each part ... you find these plasmids useful. Good luck, and happy experimenting! References and Resources Additional... -
Tips for Technical Support Calls
TypeBlog PostPublishedSept. 20, 2016, 2:39 p.m...., I’m confident that these tips and tricks will apply to any biology-related customer support interaction...company. This might seem like a no-brainer, but it happens more frequently than you might think. The Addgene... -
Savvy Advocates Needed to Navigate a Scientific Enterprise in Flux
TypeBlog PostPublishedSept. 13, 2016, 2:30 p.m..... “The Postdoctoral Experience Revisited” 2014 Appendix B p93-95). For those advocating in this area, ...developing a strategy to distilling a message for the appropriate audience and communicating that message in various... -
Cpf1 Update: Comparison to Cas9 and NgAgo
TypeBlog PostPublishedJuly 14, 2016, 2:30 p.m....eclipse any of the CRISPR nucleases in AAV-based applications. Get More Cpf1 Background Here THE ORIGINAL ...the PAM sequence. Many research and clinical applications require HDR over NHEJ, so comparing HDR efficiency... -
Plasmids 101: FLEx Vectors
TypeBlog PostPublishedApril 28, 2016, 2:30 p.m....characterization of the location, morphology, and circuit mapping of a targeted neuronal population. Figure... cell types for imaging and long-range circuit mapping. PubMed PMID: 18614669. PubMed Central PMCID: PMC2593125... -
7 Simple Strategies to Resolve Conflicts with Difficult Supervisors
TypeBlog PostPublishedJan. 21, 2015, 1:30 p.m....to resolve your problem. Your supervisor will appreciate that you took the time to think of solutions,...prioritize your action item list and set some approximate timelines. Be sure that you keep your commitments... -
10 Basic tips for mammalian cell culture
TypeBlog PostPublishedJuly 12, 2018, 1:09 p.m....waste should be autoclaved before being disposed Happy culturing! Many thanks to our guest blogger, Sana...expression disregulation on HeLa cells." Journal of applied phycology27.6 (2015): 2321-2332. 3. Contamination... -
xCas9: Engineering a CRISPR Variant with PAM Flexibility
TypeBlog PostPublishedMarch 28, 2018, 6:52 p.m.... just trying to create a knockout, you might be happy targeting anywhere in an exon. But things get more...editing rates. This PAM flexibility should expand applications that require very specific targeting, like homology... -
Fluorescent Proteins 101: Fluorescent Protein Timers
TypeBlog PostPublishedMay 4, 2017, 2:30 p.m....possible consequences of FP aggregation, as Erik Snapp’s blog post shows. To avoid these issues, Subach ...-FT-N1 pTRE-Slow-FT pBAD/HisB-Slow-FT - Applications of fluorescent protein timers FP timers have... -
Mobile-CRISPRi: Bringing CRISPRi to Diverse Bacteria
TypeBlog PostPublishedApril 4, 2019, 12:53 p.m.... disease-associated. Mobile-CRISPRi: a modular approach for CRISPRi transfer Mobile-CRISPRi offers two...single-gene knockdown experiments. Mobile-CRISPRi applications Mobile-CRISPRi expands CRISPRi to non-model ... -
Production of Virus in Insect Versus Mammalian Cells
TypeBlog PostPublishedNov. 5, 2024, 8:32 p.m....something you may have to optimize for your specific application. With mammalian systems, it is standard to do...titer the virus, or go straight into your viral application, like protein production. Titration of baculovirus... -
Pooled Library Amplifications
TypeBlog PostPublishedMay 30, 2024, 1:30 p.m....to amplify the sample for further downstream applications. As individual libraries can vary significantly...feel free to contact us at [email protected]. Happy amplifying! More resources on the Addgene blog ... -
Chromoproteins: Colorful Proteins For Molecular Biology Experiments
TypeBlog PostPublishedFeb. 4, 2020, 2:15 p.m....resources are limited or for bioart and teaching applications. Find a chromoprotein for your experiment! ...Scarless Modification of Proteobacterial Genomes. Applied and Environmental Microbiology, 85(16). https:/... -
Starter guide to induced pluripotent stem cells (iPSCs) part 1: A renaissance in regenerative medicine
TypeBlog PostPublishedOct. 30, 2018, 1:04 p.m....this series, we’ll discuss the two widely used approaches of somatic cell conversion: conversion via iPSC...Pluripotent Stem Cells: Problems and Advantages when Applying them in Regenerative Medicine. Acta Naturae, 2010... -
Light Sheet Fluorescence Microscopy
TypeBlog PostPublishedJuly 16, 2015, 2:30 p.m....of LSFM microscopes (3,4). After this initial application, Stelzer’s group described the single-plane or...shadows along the illumination path. The shadows appear as stripes in the acquired image (5). A way to... -
Interview: Nicola Patron on Plant Synthetic Biology, MoClo, and More
TypeBlog PostPublishedJune 12, 2014, 3:30 p.m.... Sometimes it’s a good way to find out what’s happening in the office next to you. There is an active ...sometimes stupid or uncomfortable things that have happened to them. To have that conversation out in the ... -
Which Fluorescent Protein Should I Use?
TypeBlog PostPublishedMay 20, 2014, 2:06 p.m....emission is green or red light. For example, T-Sapphire, LSSmOrange, and LSSmKate. Fluorescent Sensors.... al. (2010) “Fluorescent proteins and their applications in imaging living cells and tissues” Physiol... -
Isolating Genomic Regions of Interest with the CRISPR System
TypeBlog PostPublishedMay 30, 2019, 12:44 p.m....and retroviral expression system for using this approach in in vivo studies (Fujita et al., 2018). In addition...DUX4, a transcriptional regulator that when inappropriately expressed can cause facioscapulohumeral muscular... -
Viral Vectors 101: The Retroviral Lifecycle
TypeBlog PostPublishedJuly 27, 2023, 1:15 p.m....101: Types of Viruses Viral Vectors 101: Viral Applications Resources on addgene.org Addgene's Lentiviral...Liu, H., Xiao, H., Conway, J. A., Hunter, E., & Kappes, J. C. (1997). Functional RT and IN incorporated... -
Better Dyeing Through Chemistry & Small Molecule Fluorophores
TypeBlog PostPublishedSept. 8, 2016, 2:30 p.m....labels for fixed-cell imaging, not for live-cell applications. Thus, these fluorophores are often bulky and...budget gets a bit thin, small-molecule labeling approaches can provide a fresh infusion of photons for your... -
Tips from the Repository Trenches: Using Barcodes to Track Samples
TypeBlog PostPublishedOct. 6, 2015, 2:30 p.m.... tube contains information about that tube’s appropriate location. The barcode also identifies the contents... sample tubes that we use match those of the appropriate deposit. Using barcoded tubes is part of Addgene... -
Neuronal labeling with Spaghetti Monster
TypeBlog PostPublishedAug. 14, 2018, 12:42 p.m....fluorescent proteins (FP) have also been important in mapping, monitoring, and manipulating neuronal circuits...combining advantages of FPs and epitope tags, smFPs appear to be very effective probes for finely visualising... -
Analyzing CRISPR Editing Results with ICE from Synthego
TypeBlog PostPublishedMay 8, 2018, 1 p.m....workflow - analyzing the data - is often under-appreciated or over-looked. Synthego has developed a new...analysis Once the analysis is complete, a new screen appears with a graphical representation of the results ... -
pCXLE toolkit: Efficient episomal plasmid-based method to reprogram peripheral blood cells to iPSCs
TypeBlog PostPublishedDec. 14, 2017, 2:08 p.m....possibilities for the clinical and therapeutic applications of iPSCs. The generation of human iPSCs (hiPSCs...., Recent technological updates and clinical applications of induced pluripotent stem cells. Korean J ... -
How to Write a Scientific Review Article
TypeBlog PostPublishedFeb. 16, 2017, 3:30 p.m....papers and then feel ready to write. What actually happened was that each paper taught me a few things and...to read every single paper. I also learned to appreciate the discussion sections of the primary literature... -
Plasmids 101: Gateway Cloning
TypeBlog PostPublishedJan. 12, 2017, 3:30 p.m....sequences into multiple vector systems. With the appropriate entry and destination vectors, one can use Gateway...elements to express the gene of interest in the appropriate system Recombines with the entry clone to generate... -
Antibiotic Resistance: An Old Solution but a New Problem
TypeBlog PostPublishedNov. 10, 2016, 3:30 p.m....from random mutations in the genetic sequence that happen to be beneficial, and persist as a result. Why ...are susceptible to the drug, while the few that happen to possess resistance genes survive and multiply... -
Beyond the Blood Brain Barrier: PHP.B Enters the Central Nervous System Via the LY6A Receptor
TypeBlog PostPublishedJuly 23, 2019, 12:46 p.m....transduced by PHP.B. The Deverman Lab took a broad approach and searched for genetic difference between the...phenotype in mice. They took a classic genetics approach and interbred C57BL/6J and BALB/cJ mice to map... -
What's Your Organism? Expanding Genomic Tools via the NSF EDGE Program
TypeBlog PostPublishedMay 2, 2019, 12:41 p.m.... providing support "for development of tools, approaches, and infrastructure necessary for direct tests...recent). They have diverse traits with good genetic mapping morphology and interesting behaviors. There is ... -
Hot Plasmids - August 2020
TypeBlog PostPublishedAug. 18, 2020, 1:15 p.m.... have created a yeast-based directed evolution approach with some notable improvements. Directed evolution...specific guide RNA (gRNA) sequences. But these approaches rely on continual expression of both dCas9 and... -
CRISPR 101: Which Cas9 Do I Choose for My CRISPR Experiment?
TypeBlog PostPublishedOct. 13, 2022, 1:45 p.m....Motif (PAM), the sequence NGG. If these conditions apply to your experimental target, SpCas9 and its enhanced...specificity over a single SpCas9. The drawback of this approach is that two sgRNAs targeting opposite strands ... -
QC Sequencing Technologies at Addgene
TypeBlog PostPublishedJuly 15, 2025, 1:15 p.m....bioinformatic analysis. At Addgene, we use a mix-and-match approach for sequencing methods and choose the best method...Nanopore sequencing technology, bioinformatics and applications. Nature Biotechnology, 39(11), 1348–1365. https... -
Antibodies 101: Reading a Flow Plot
TypeBlog PostPublishedFeb. 6, 2024, 3:13 p.m....similar approach would be good for your work. Hopefully this blog helps you with that…and happy flowing... -
Viral Production at Addgene
TypeBlog PostPublishedOct. 24, 2023, 1:15 p.m....particles can be identified after negative staining and appear darker than full vector particles. ...replaced with a new vial of early passage cells. Approximately two weeks post-thaw, cell culture supernatant... -
How to Be an Excellent Trainee
TypeBlog PostPublishedSept. 26, 2023, 1:15 p.m....easiest to train individuals who are polite, appreciative, and clear about their needs. Remember, your...trainees one day when you are the senior personnel! Happy training! Resources Resources on the Addgene blog... -
CRISPR Activation: A Practical Guide
TypeBlog PostPublishedAug. 18, 2016, 2:30 p.m....suffer from an inability to easily deliver the appropriate isoform(s) of a given gene, as, many times, the...engineering parameters via a library-on-library approach. Nat Methods 12:823–826 . https://doi.org/10.1038... -
Plasmids 101: Control Plasmids
TypeBlog PostPublishedApril 9, 2015, 3:29 p.m....RNAi or CRISPR, non-targeting controls may be appropriate as they allow you to assess the specificity of...us now revisit our experiment. In Figure 1, it appeared as though the shRNA did not knock down expression... -
Plasmids 101: E. coli Strains for Protein Expression
TypeBlog PostPublishedFeb. 10, 2015, 3:06 p.m....plasmid-- make sure to maintain this by growing on appropriate media. Note: Purifying your expression plasmid...to make sure your cells have first reached an appropriate density. Cells in the exponential growth phase... -
Fluorescent Proteins 101: When GFP lets you down
TypeBlog PostPublishedAug. 23, 2018, 12:05 p.m.... proteins.Therefore, GFP is not suitable for applications that require anaerobic conditions. In experiments...protein module that can report on location. This approach enables the study of proteins in cells, but not... -
Transferable Skills Guide: Time Management
TypeBlog PostPublishedDec. 5, 2017, 1:52 p.m.... cell splitting issue at all if I’d planned appropriately. Back in my undergrad days, I had general goals... do I write things down? It’s more viscerally appealing for me to physically cross things out (it just... -
Deep Mutational Scanning with One Pot Saturation Mutagenesis
TypeBlog PostPublishedFeb. 22, 2017, 3:30 p.m....that expresses all desired variants of a protein. Applying a selective pressure winnows the pool down to ...technique described in Wrenbeck et al is a PCR-based approach for generating a customizable comprehensive mutagenesis... -
Five Popular Model Organisms, Part 2
TypeBlog PostPublishedSept. 29, 2020, 1:15 p.m....Escherichia coli as a Model Organism and Its Application in Biotechnology. In Escherichia coli - Recent...Physiology, Pathogenesis and Biotechnological Applications. InTech. https://doi.org/10.5772/67306 Koornneef... -
Antibodies 101: Introduction to Gating in Flow Cytometry
TypeBlog PostPublishedApril 4, 2024, 1:15 p.m....adjust this setting as needed. To figure out the appropriate voltages to observe your cells on a flow plot...voltage describes an electric potential that can be applied to the photomultiplier inside the cytometer to ... -
Plasmids 101: Expressing shRNAs for RNA Interference
TypeBlog PostPublishedJune 17, 2025, 1:15 p.m....world, there is a myriad of tools this could be applied to. When it comes to altering gene expression, ...is an umbrella term for a number of different applications that involve different types of small RNA molecules... -
How to Negotiate a Successful Lab Start Up Budget
TypeBlog PostPublishedSept. 1, 2015, 2:30 p.m....discounts, collaborations, access to internal award applications, etc. If this is the institute that can help...budgets and invite you to leave a comment below Happy Sciencing, Damien Damien Wilpitz is a laboratory... -
Plasmids 101: Dimers and Multimers
TypeBlog PostPublishedJan. 10, 2023, 2:15 p.m....something odd in our uncut DNA control: a band or two appear on an agarose gel at notably higher molecular weights... only in the uncut DNA; the rest of the digest appears normal and produces the expected fragments for ... -
Cancer and the Immune System: Deciphering the Relationship
TypeBlog PostPublishedMarch 14, 2017, 2:30 p.m....immunotherapeutic agents. Currently the FDA has 12 approved monoclonal antibodies targeting the PD-L1 pathway...Dendreon Corporation is currently the only FDA-approved DC therapy for prostate cancer and is aimed at...