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We narrowed to 560 results for: mal.2

Showing: 361 - 380 of 560 results
  1. 6 Steps to Submitting a Resume That Gets Seen

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    Blog Post
    ...having trouble preparing your most excellent resume. 2) Follow job boards and check them regularly Use your...from a mutual connection. If the organization is small, any person at the company might be able to help...
  2. Illuminating Choices: A Guide to Selecting Fluorescent Dyes and Ligands

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    Blog Post
    ... an insiders' guide to small-molecule fluorescent labels. Nature Methods, 19(2), 149–158. https://doi.... ligands can elicit varying degrees of β-arrestin-2 recruitment to receptors, indicating their agonistic...and the best practice to determine optimal DOL is through several small-batch experimental labeling. Size... century, it can be overwhelming to select the optimal dye or fluorescent ligand when designing an experiment...encoded enzyme variant that covalently reacts with a small substrate ligand motif attached to a fluorophore...response to a specific stimuli, which leaves only a small volume of fluorophores in an excited state, effectively...to protein labeling and analysis, dyes should be small enough not to hinder protein function and should...
  3. Sensing Neuronal Dopamine

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    Blog Post
    ...developed fluorescent-protein based DA sensors (Figure 2). The dLight1 dopamine sensor In 2018, Lin Tian’s ...method is that it can be performed in a live awake animal by surgical implantation of the probe into a specific...powerful and offers immediate measurements in a live animal that can be correlated to behavior, the technique... molecular tool to detect and image DA in live animals (Patriarchi et al., 2018). Similar to calcium and...
  4. Special Delivery: Fluorophore Targeting for FRET Studies

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    Blog Post
    ...establishing the dynamic range of your FRET assay (Figure 2). These labeling methods are freely interchangeable...PMID: 20161833. PubMed Central PMCID: PMC2802762. 2. Dumas, Anaëlle, et al. "Designing logical codon reassignment–Expanding...synthetase Mammalian Cells pCMV-DnpK dinitrophenyl hapten Mammalian Cells pANAP AnapRS Mammalian Cells ...pMAH-POLY Polyspecific aminoacyl-tRNA Synthetase Mammalian Cells pDULE-ABK pyrrolysyl-tRNA synthase for...for aliphatic diazirine amino acids E. coli and Mammalian Cells pEVOL-pAzF synthetase for p-azido-l-phenylalanine...tetracysteine tag. In addition, since these tags are so small, one can insert them in virtually any desired location...
  5. The Power Behind NGS Plasmid Validation: seqWell

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    Blog Post
    ...from a single Illumina MiSeq® run. As shown in Fig. 2, below, differences in input concentration across ...DNA sample being sequenced must be sheared into smaller fragments that are then barcoded for identification...library molecules for each sample remain highly normalized across a wide range of input DNA concentrations...explained more fully in the animated Fig. 1 below. Normalization is a fundamental and often understated problem...sufficient coverage of all samples. The root of the normalization problem often arises from the fact that large...issues, researchers usually include a separate normalization step where individual input DNA samples are ... to library prep. Even with this “pre-prep” normalization, it is also often the case that individual libraries...
  6. Three Tips for Preventing Viral Plasmid Recombination in Your Samples

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    Blog Post
    ...extraction protocol for more details.   Figure 2: An uncut plasmid is expected to form 3 bands: nicked...each other very much undergo recombination, two smaller plasmids are formed. Viral vectors are prone to... the 5’ and 3’ LTR regions, it splits into two smaller plasmids. The ~3.7 kb recombined vector backbone...can improve growth and DNA yield. Test multiple, small colonies After streaking LB agar plates, you may...may notice that there are both large and small colonies. Bacteria containing the recombined product tend...tend to grow faster, so we recommend picking the smaller colonies which are more likely to carry the full...whereas the round tan colonies that look similar to normal E. coli cultures contain the recombined vector ...
  7. Understanding GPCR Signaling Using TRUPATH

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    Blog Post
    ...dissociation by bioluminescence resonance energy transfer 2, or BRET2. With binding of the drug, the alpha and...engineering and experimental refinement to determine the optimal localization of the Rluc8 insertion within the ...refinement, it was not possible to generate an optimal Rluc8-Gα construct for two of the 16 non-visual...
  8. CRISPR 101: Drug discovery and CRISPR

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    Blog Post
    ...development and therapy. Nat Rev Drug Discov (2017) 16(2):89-100. DOI: 10.1038/nrd.2016.238 Additional resources.... – CRISPR can be used to generate cell line or animal models which have the precise disease genetics.... drug selectively kills the wildtype line with minimal to no toxicity in the knockout line, it is likely...
  9. What's New in CRISPR - March 2020

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    Blog Post
    ...Enhanced CRISPR-based DNA demethylation Figure 2: The components of Casilio-ME1. Image from Taghbalout...cerevisiae. The system consists of dCas9, the mammalian transcriptional repressor Mxi1, and an optogenetic...
  10. Natural or synthetic? How Addgene’s dataset reveals trends in biological innovation

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    Blog Post
    ...PMID: 30356044. PubMed Central PMCID: PMC6200774.   2. Nielsen, Alec AK, and Christopher A. Voigt. "Deep...expression system within the Addgene repository is mammalian, but the largest source of unique gene sequences...frequent transfer of genes is from Proteobacteria to mammalian expression vectors. And more broadly, their data...
  11. Safe Port in a Storm...How Addgene is Weathering the Pandemic

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    Blog Post
    ...majority of deposited materials to study SARS-CoV-2 would be fully open and available to industry requestors...to request support for our operations until our normal work resumed. Addgene distributes and fulfills ...supporting research could provide Addgene with a small amount of funds, the community as a whole could ...
  12. Viral Vectors 101: Parts of the AAV Transfer Plasmid

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    Blog Post
    ... temporal activation of a transgene. Figure 2: FLEX Cre-Lox system.  WPRE The Woodchuck Hepatitis...as it’s ~4.4 kb or smaller. Some examples include a reporter like GFP, some smaller CRISPR-Cas proteins...
  13. Why Add Sucrose? Improved Yields for Adeno-associated Virus Preparation

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    Blog Post
    ...bioengineering 94.2 (2006): 322-329. PubMed PMID: 16528756. 2. Oh, Steve KW, et al. "Substantial overproduction ...conditions of hyperosmotic stress." Advances in animal cell biology and technology for bioprocesses (1989...Clathrin-mediated endocytosis and subsequent endo-lysosomal trafficking of adeno-associated virus/phage." ...
  14. Multifunctional Neural Fibers: Modulation from Gut to Brain

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    Blog Post
    ...of a live animal. They started by delivering an AAV construct expressing channelrhodopsin 2 (ChR2), a ...samples were harvested after the behavior, or the animals being monitored were physically hooked up to invasive...whistles. The fibers are made from a process called thermal drawing, essentially where blocks of polymers are... – including microscale light emitting diodes, thermal sensors, and microfluidic channels. These features...temperature, study electrophysiology, and deliver small molecules.   Fun fact: A 1 cm block of polymer ...channels and can also record tissue temperature proximal to the implanted fibers. As important as its capabilities...device has a rechargeable battery, is relatively small, and can be detached easily whenever necessary. ...
  15. Quantifying DNA? Here are Five DNA Quantification Methods to Consider

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    Blog Post
    ...electrophoresis. Except, it’s smaller. And automated. Unlike gel electrophoresis, you only need 1-2 ul of sample and...molecules have a specific wavelength that they maximally absorb. The spectrophotometer measures these absorbances...contaminants. Nucleic acids (DNA and RNA) absorb maximally at 260 nm. Proteins on the other hand absorb best...nm and organic compounds and chaotropic salts maximally absorb at 230 nm. The A260/A280 ratio is used ...and the sample is separated by electrophoresis. Smaller fragments migrate quicker than larger fragments...fluorescent dye that intercalates into the DNA such that smaller fragments are quantified first before larger fragments...electrophoresis which shows fluorescence units over time. Smaller fragments migrate more quickly than larger fragments...
  16. Cancer and the Immune System: Deciphering the Relationship

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    Blog Post
    ...interferon gamma (IFNγ) - and eliminate cancer cells. 2. Equilibrium - In a process analogous to the development... 35. Academic Press, 2015. PubMed PMID: 25818339. 2. Curiel, Tyler J., et al. "Specific recruitment of...Function Antigen presenting cells (APCs) that would normally alert the rest of the immune system to the presence...and IL-10 that suppress APCs. T cells that would normally attack the cancer cells are also suppressed by...activity of CTLs and NK cells. These cells would normally kill cancer cells but are directed not to through...
  17. Viral Vectors 101: Transductions

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    Blog Post
    ...CRISPR targeted strategy, etc.) and episomal expression will last ~2-7 days at moderate levels. With regard...basis of transduction Transductions utilize the ‘normal’ mechanism of viral infiltration into a cell. The...be integrated into the host genome? Expressed episomally long-term? Expressed short-term? Answering these...non-integrating (adenovirus and AAV) but can still express episomally long-term (AAV). If you perform a lipid-based...
  18. Sequencing Options for CRISPR Genotyping

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    Blog Post
    ...closer to the clinic (Tsai and Joung 2016). Table 2: Unbiased Genotyping Options Technique Detection...PMID: 23792628. PubMed Central PMCID: PMC3773023. 2. Vouillot, Léna, Aurore Thélie, and Nicolas Pollet...Cell-based (in vitro) Can be used on tissue from whole animal models, no exogenous component required (e.g. dsODN...
Showing: 361 - 380 of 560 results