Skip to main content

We narrowed to 868 results for: ren

Showing: 401 - 420 of 868 results
  1. Antibodies 101: Buffers, Storage, and Conjugates

    Type
    Blog Post
    Published
    Feb. 1, 2022, 2:15 p.m.
    ...the wrong everything else.      References and Resources References Boston University Flow Core. Fluorochromes...standard curve, another quick experiment, or using a different vial and saving the poor, abandoned antibody for...assays involve multiple antibodies, each with a different signaling molecule, that all need to be detected...   Fig 2: Try to inversely pair fluorophore strength with protein abundance.    Second, you’ll ...
  2. Plasmids 101: Sequence and Ligation Independent Cloning (SLIC)

    Type
    Blog Post
    Published
    Sept. 26, 2024, 1:15 p.m.
    ...far the T4 exonuclease proceeds: at the first occurrence of the chosen nucleotide, T4 will switch to polymerizing...efficiently repair the plasmid. Created with BioRender.com.   SLIC also opened up a new world of multicomponent...bacteria, which repair the plasmid. Created with BioRender.com. How does SLIC compare to other cloning ...method’s flexibility allows it to be used with different types of PCR-generated inserts. By harnessing ...updated by Emily P. Bentley in September 2024.  References and Resources Further reading Harnessing homologous...
  3. REPLACR Mutagenesis: Replacing In Vitro Recombination Methods

    Type
    Blog Post
    Published
    Feb. 10, 2016, 3:30 p.m.
    ...Linearized Plasmids After PCR). Current site directed mutagenesis methods Current SDM methods rely on in vitro...those to PCR amplify the template plasmid. The parental, nonmutated DNA is digested with methylated DNA-specific...common methods for site directed mutagenesis   References 1. Trehan, Ashutosh, et al. (2016). “REPLACR-... on Addgene.org Browse Our Molecular Biology Reference Pages Choose Your Perfect Plasmid Backbone Find...
  4. CRISPR 101: Non-Homologous End Joining

    Type
    Blog Post
    Published
    April 16, 2015, 3:45 p.m.
    ...journal.pgen.1004086 Ghezraoui H, Piganeau M, Renouf B, Renaud J-B, Sallmyr A, Ruis B, Oh S, Tomkinson AE...repair are easily re-cleaved while indel products aren’t, so repeated cycles will favor accumulation of ...Comprehensive Cancer Center at UNC Chapel Hill.   References Bennardo N, Gunn A, Cheng A, Hasty P, Stark JM...2014) Is Non-Homologous End-Joining Really an Inherently Error-Prone Process? PLoS Genet 10:e1004086 ....
  5. Choosing the B(right)est Fluorescent Protein: Photostability

    Type
    Blog Post
    Published
    June 8, 2017, 2:30 p.m.
    ...dependence on excitation power is important since different fluorescence imaging strategies use widely varying..., TIRF or spinning disk confocal use entirely different excitation power regimes. Therefore, it is unpredictable...the best way to compare the photostability of different fluorescent proteins? Measuring photostability...excitation power. By repeating these measurements for different fluorescent proteins and by comparing how the ...measurements reported in the literature are performed in different ways. We describe a number of issues with some...
  6. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

    Type
    Blog Post
    Published
    March 3, 2020, 2:15 p.m.
    ...1013 - 1014 vg/kg, a dosage comparable to those currently used in human gene therapy trials. They further...reproducibility as scientists can assemble parts from different labs and experimental systems in their own research...mutants, determined protein expression levels from different promoters, and inhibited gene expression using...C-terminus of Cre (CreC) and the N-terminus of Cre (CreN) are fused to the truncated Phytochrome B (PhyBΔ...eye, muscle and epithelial cells, as well as in different stages of development, ensuring the breadth and...
  7. Antibodies 101: Affinity Reagents

    Type
    Blog Post
    Published
    April 14, 2022, 1:15 p.m.
    ...reduced-in-size options often have reduced binding strength, half-lives, and/or specificity as well. They’...bispecific, meaning that each scFv can target a different antigen; binding of each can be either simultaneous...convert anyone to downsize their affinity reagents, trendy as that may sound. Validated antibodies are still... a scientist looking for that perfect fit!  References and Resources Additional resources on the Addgene...AddgeneBrowse our recombinant antibody plasmid collection References Grumezescu, A. M. (2018). Drug targeting and ...
  8. Plasmids 101: The protein expression toolbox

    Type
    Blog Post
    Published
    Feb. 16, 2023, 7:05 p.m.
    ...protein expression journey! Resources and References References Nabet et al. The dTAG system for immediate...expression of essential proteins (when knockouts aren’t viable). siRNA or RNAi are small, double stranded...days. There’s also a CRISPR for that! CRISPR interference (CRISPRi) targets a catalytically dead Cas9 ..., and expression is tunable by titration with different amounts of tetracycline. Tetracycline regulation...
  9. Fluorescent Proteins 101: Introduction to FRET

    Type
    Blog Post
    Published
    June 27, 2017, 1:03 p.m.
    ...or undetectable FRET, well-characterized FRET reference standards can be used to validate FRET measurements...sophisticated questions about cellular processes. Currently, FRET experiments can probe protein-protein interactions...Borghi 2016) to a selected protein. Overcoming current limitations to permit the use of multiple FRET ... diseases and even assist in drug discovery. References 1. Baird, Geoffrey S., et al. "Circular permutation...biomolecular structure and dynamics in live cells." Current opinion in structural biology 34 (2015): 52-59....
  10. Getting Started with Behavioral Neuroscience: Standardizing Experiments and Using Viral Vectors

    Type
    Blog Post
    Published
    Aug. 20, 2019, 12:31 p.m.
    ... can only carry around 4.5 kb. Different AAV serotypes have preferences for specific cell types. For example...end of an experiment series would behave very differently (distracted) from the ones tested at the beginning...Experiment Behavioral scoring systems (experimenter differences in behavior observation); experimenter blinding...viral service for their behavioral studies. References Stoica L, Ahmed SS, Gao G, Sena-Esteves M. Gene...
  11. Split-BioID: An Improved Method for Studying Protein-Protein Interactions

    Type
    Blog Post
    Published
    May 1, 2018, 1:57 p.m.
    ...28032891. This is a different version of Split-BioID. BirA* is fragmented at a different site than in Schopp... This can artificially select against PPIs that aren't stable outside the native cell context. The Split-BioID...of the BirA* fusion matters! Schopp et al saw different levels of fusion protein expression and biotinylation...research? Plasmids are available from Addgene! References Schopp, I.M., Ramirez, C.C., Debeljak, J., Kreibich...
  12. Simple CRISPR-based Epigenetic Editing: dCas9-directed DNA Demethylation

    Type
    Blog Post
    Published
    Dec. 14, 2021, 2:15 p.m.
    ...whenever you hear it (whether at a scientific conference or a karaoke bar), you probably want to sigh....methyltransferase 1 (DNMT1) to copy methylation marks from parental to daughter strands of DNA. When dCas9 is bound...nearly 100% demethylation without the confounds inherent to dCas9-TET, allowing one to study the causal... CRISPR-based tools for epigenetic editing.   References and resources:  Additional Resources on the Addgene...Addgene.org Read our CRISPR Guide to Epigenetics References Charlton J, Jung EJ, Mattei AL et al. (2020) ...
  13. Plasmids 101: The Wide World of Natural Plasmids

    Type
    Blog Post
    Published
    Oct. 8, 2024, 1:15 p.m.
    ...Emily P. Bentley in October 2024. References and Resources References Demanèche, S., Bertolla, F., Buret...functions of natural plasmids. Created with BioRender.com. Resistance (R) plasmids: microbial defense... also causes outbreaks of food poisoning, the difference is virulence plasmids! This category includes...Mclellan, S. L., Willis, A. D., Comstock, L. E., & Eren, A. M. (2024). A cryptic plasmid is among the most...
  14. Progress Towards a PAM-Free CRISPR

    Type
    Blog Post
    Published
    March 7, 2024, 2:39 p.m.
    ...mammalian plasmid here and edit on! References and Resources References Kwart, D., Paquet, D., Teo, S. et...sequence constraints, or at least has looser or different requirements. Luckily, there are some available...necessarily more flexible than NGG; they’re often just different (e.g. NGAG, NGAN, etc.). Additionally, alternative...al). Additionally, SpG Cas9 with the same PAM preference of NG was isolated by the Kleinstiver Lab (read...
  15. Savvy Advocates Needed to Navigate a Scientific Enterprise in Flux

    Type
    Blog Post
    Published
    Sept. 13, 2016, 2:30 p.m.
    ... to address the unique needs of students from different departments across the university and alterations...track postdocs nationwide. On this level, FoR is currently compiling a database of institutional responses...implementation of new strategies designed to cope with current increases. These two rulings along with progress...Howell -Founder of Howell Communications Philip Brenner, PhD - Assistant Professor of Sociology. University...public policy. Follow David on Twitter @driglar.   References: 1. Alberts, Bruce, et al. "Rescuing US biomedical...
  16. The Materials Science of Optogenetics Experiments

    Type
    Blog Post
    Published
    Sept. 17, 2015, 2:30 p.m.
    ...Several protocols have been written outlining the different steps and materials required for each [1, 2]. ...discussed above, each opsin variant has slightly different activation/inactivation kinetics. For example,...Biology from the University of Michigan and he is currently a Postdoctoral Fellow in the lab of Mary Jeanne... or follow him on Twitter @derekpsimonphd.    References 1. Gutierrez DV, et al. Optogenetic control of...channelrhodopsin for activation of CNS neurons. Current protocols in neuroscience / editorial board, Jacqueline...
  17. Cloning Mammalian Cells with the Agarose Method

    Type
    Blog Post
    Published
    Sept. 7, 2017, 12:17 p.m.
    ... splitting transfected cells into 3 plates at different densities for selection). A 2% agarose solution...to heat- the inside of the wrist or the cheek. (Parents of infants will have no problem with this!) Make...transfection into plates containing selection agent at different densities, then dispose of the plates that do ...freeze at least 2 ampules each of 4 clones with different levels of expression of our gene of interest. ...to rapidly isolate individual cell clones with different expression characteristics from a population of...
  18. Fluorescent Proteins 101: Visualizing Subcellular Structures & Organelles

    Type
    Blog Post
    Published
    June 22, 2017, 2:30 p.m.
    ... the protein within a living cell. Analyzing differences in protein localization and transport between...signals not visible to the human eye and are indifferent to subjective color intensity perception. Open...statistics that can be used to compare between different experimental setups. A colocalization analysis...one fluorescent signal in a channel setup for a different fluorescent signal) and photobleaching i.e. FP...Markers of Subcellular Localization Poster here! References 1. Allen Institute Plasmid Pages 2. Cooper GM...
  19. Plasmids 101: 5 factors to help you choose the right cloning method

    Type
    Blog Post
    Published
    Aug. 21, 2018, 12:31 p.m.
    ...still love using them! With so many technologies currently available, you now face the challenge of trying...create customized overhangs to assemble up to 6 different fragments in a prescribed order. These fragments...protocol is fairly flexible and adaptable to cloning different types of DNA, such as cDNA, PCR fragments, or ...deposit your finished constructs at Addgene!). References 1. Li, Chaokun, et al. "FastCloning: a highly...Find vector backbones Read our molecular biology reference ...
  20. No Llamas Required - Synthetic Nanobodies Against Membrane Proteins

    Type
    Blog Post
    Published
    June 18, 2020, 1:15 p.m.
    ...randomized with a defined set of different trinucleotides (corresponding to different amino acids) in the regions...this, they injected the spike protein from two different coronaviruses into a llama over several days and...your target protein. The Seeger lab designed 3 different mRNA sybody libraries for use in the protocol,.... Find the Seeger lab's SARS-CoV-2 sybodies! References Geertsma ER (2013) FX Cloning: A Versatile High-Throughput...
Showing: 401 - 420 of 868 results