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We narrowed to 736 results for: NSI

Showing: 321 - 340 of 736 results

  1. Plasmid Tools for Microbiome Studies

    Type
    Blog Post
    Published
    June 27, 2019, 12:25 p.m.
    ...sequencing and qPCR methods are too costly and time intensive to process a large number of microbiome samples...bumble bee and honey bee microbiome. The toolkit consists of modular parts that are assembled with Golden...microbial population dynamics in the gut can provide insight into how the microbiome responds to infection, ...

  2. The time and cost required to make a plasmid

    Type
    Blog Post
    Published
    March 23, 2023, 1:15 p.m.
    ...organized lab saves time and money across the board. Consider alternative cloning strategies There are many ...methods, like Gibson assembly, are typically more expensive, so you’ll have to find a balance between time...either don’t scale or have limited scaling. The downside of high-throughput work is that you give up a ...

  3. Antibodies 101: Fab Fragments

    Type
    Blog Post
    Published
    Sept. 5, 2024, 1:15 p.m.
    ...might use it in the lab. What is a Fab Fragment? Consider the classic IgG antibody (Figure 1): it is composed...new components in your antibody tool box. As you consider which tools to use, be sure to think about what... other components of your experiment. These considerations will help you narrow down which antibody format...

  4. CRISPR 101: Cas9 vs. The Other Cas(s)

    Type
    Blog Post
    Published
    Dec. 8, 2022, 2:15 p.m.
    ... dsDNA. It cleaves ssDNA with high fidelity - sensitive to even a single mismatch in the target sequence...This makes it particularly useful in generating transient edits of signaling molecules (RNA) as opposed ...for targeting mRNA and useful as a mechanism of transient knockdown of gene expression. This system could...

  5. Transferable Skills Guide: Cross-team Communication

    Type
    Blog Post
    Published
    Nov. 21, 2019, 1:53 p.m.
    ...using words for their field or technology in a consistent way. Just creating a lexicon was not enough. ... using the same words with the same meanings consistently, meetings will be shorter and more productive...during your postdoc that you enjoy and have a propensity for cross team communication, that’s an important...

  6. Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number

    Type
    Blog Post
    Published
    Sept. 4, 2018, 12:53 p.m.
    ...negative regulation by using a promoter that is responsive to a repressor protein, the increase in expression... of repressor protein also increases thereby intensifying repression of the gene of interest and keeping...the increase in plasmid copy number during the transition to stationary phase, Segall-Shapiro et al. placed...

  7. Addgene's Tips for Plasmid Quality Control

    Type
    Blog Post
    Published
    Jan. 14, 2016, 3:30 p.m.
    ...that consistently receives around 200 new DNA samples every week. Here we will provide an inside look ...terminators. Detailed instructions on other factors to consider when designing your primers can be found here....

  8. Plasmids 101: Cre-lox

    Type
    Blog Post
    Published
    Jan. 13, 2015, 3:47 p.m.
    ...site-specific recombination events. The system consists of two components derived from the P1 bacteriophage...cyclization recombinase”), is a 38 kDa protein responsible for intra- and inter-molecular recombination ...sites are 34-base-pair long recognition sequences consisting of two 13-bp long palindromic repeats separated...

  9. Antibodies 101: ELISA (Enzyme-linked Immunosorbent Assay)

    Type
    Blog Post
    Published
    Aug. 24, 2021, 1:15 p.m.
    ... this type of ELISA is extremely specific and sensitive to the target protein due to the use of multiple...concentrations of your protein of interest. The optical density (OD) - the measure of light absorbed by a solution...any experimental wells in that range of optical densities. If your standard curve does not have a linear...

  10. CRISPR Activators: A Comparison Between dCas9-VP64, SAM, SunTag, VPR, and More!

    Type
    Blog Post
    Published
    Oct. 6, 2020, 1:15 p.m.
    ...Performance When targeting single genes, SAM consistently shows the highest levels of gene activation ...which are relatively large and are not expressed consistently throughout cells. VPR Description VPR fuses ... dCas9 to activate transcription. This complex consists of the VP64 activator used in other CRISPR activation...

  11. How to Prepare for an Industry Interview

    Type
    Blog Post
    Published
    July 9, 2020, 1:15 p.m.
    ...position, I just had a phone interview. I also transitioned between different lab groups without having ...that have lots of general questions about job responsibilities, performance evaluations, professional development...difficulties. Have your presentation on a flash drive and consider bringing your own laptop as a backup, if the company...

  12. Hot Plasmids May 2018 - Optogenetics, Decaffeination, Biosensors, and Fluorescent Protein Tools

    Type
    Blog Post
    Published
    May 15, 2018, 12:43 p.m.
    ...faster assembly and disassembly dynamics, higher sensitivity to light, and better distribution of clusters...measure fluctuations of TagRFP-T fluorescence intensity due to interactions with photoactivatable fluorescent...By monitoring changes in TagRFP-T fluorescence intensity at different time points, the authors tracked ...

  13. Open Resources and Plasmid Tools For Studying C. elegans

    Type
    Blog Post
    Published
    July 18, 2019, 12:55 p.m.
    ...science and collaboration. The field already has comprehensive reference pages and curated databases for scientists... (CeNGEN) The CeNGEN goal is to establish a comprehensive gene expression atlas of every C.elegans  neuron...Scientists monitor the effects of RNAi using four-dimensional contrast interference (DIC) microscopy and computer...

  14. Viral Vectors 101: Virus Safety

    Type
    Blog Post
    Published
    June 22, 2023, 1:15 p.m.
    ...article we will discuss general viral safety considerations and best practices for handling lab-grown viruses...replicate and continue the infection cycle once inside the host. While the virus can still enter (and ...into the host’s DNA. These viruses also have a propensity to integrate into proto-oncogenes, which can ...

  15. A Look at Addgene's QC Process

    Type
    Blog Post
    Published
    May 6, 2025, 1:15 p.m.
    ...significant plasmid elements. Which differences are considered a QC issue is reviewed yearly at a best practices...populations. All of these topics require additional considerations to resolve. Sequencing and assembly issues ...assembly in Geneious can still provide additional insights to resolve the assembly and determine if there...

  16. Hot Plasmids and Viral Preps - January 2021

    Type
    Blog Post
    Published
    Jan. 5, 2021, 2:15 p.m.
    ... publication, Mary Dunlop’s lab generated a photosensitive Cre, Opto-Cre-Vvd, by splitting and joining.... Opto-Cre-Vvd is precise, demonstrating low sensitivity to ambient light, and versatile as it can be ...be activated by both low and high-intensity blue light. Unlike other split-Cre systems which can take up...

  17. Illuminating Epigenetics with A FRET Based Biosensor

    Type
    Blog Post
    Published
    Nov. 19, 2015, 3:30 p.m.
    ...fluorescent in-situ hybridization, methylation-sensitive restriction enzyme digestion, DNA adenine methyltransferase...living cells. Essentially this reporter construct consists of one substrate (the histone-derived peptide)... of these sites was controlled, the reporter consistently showed significantly different FRET levels between...

  18. No Llamas Required - Synthetic Nanobodies Against Membrane Proteins

    Type
    Blog Post
    Published
    June 18, 2020, 1:15 p.m.
    ...requires a camelid animal facility which can be expensive to gain access to routinely, and it can be especially...the mRNA molecule, forming a ribosome complex consisting of the translated protein (sybody), ribosome,...constructed, they are used to produce a phage library consisting of phages that display the candidate sybodies...

  19. Chromoproteins: Colorful Proteins For Molecular Biology Experiments

    Type
    Blog Post
    Published
    Feb. 4, 2020, 2:15 p.m.
    ...and expensive methods. While techniques such as  blue-white screening require X-gal, an expensive exogenously-added... chromoprotein, the lab determined the color intensities, maturation times, and fitness cost of expression...

  20. The Scientific Conference Poster Session: Tips for Success

    Type
    Blog Post
    Published
    Aug. 29, 2019, 12:50 p.m.
    ...poster – now it’s time to practice your delivery. Consider your audience: Who will be attending the session... for Cancer Research Annual Meeting, you might consider including more background on how your virus of...practice: Rehearse your presentation with people inside and outside your field. Your colleagues, lab mates...
Showing: 321 - 340 of 736 results