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  1. 7 Tips to Secure a STEAM Internship This Summer

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    Blog Post
    ...advice below:  1. Eligibility check Scrutinize every opportunity prior to starting an application to assess...your application a whole week before the deadline. The day of submission, review your application with... their dream.  To help students focus on the application process, and simplify access to academic resources... detailed. Beyond the resume, a cover letter communicates your interest in a specific program, and institution...February represent peak season for internship applications. Thus these noble individuals are inundated ... with a stellar letter of support.        5. Application submission  Set a calendar reminder for every...about outreach among low-income communities to educate parents about resources that can help their children...
  2. A Quick Guide to a Career in Software Product Management

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    Blog Post
    ...PM--Catch up. Finish any communications with my UK team members before they log off for the day. 1:45 ...getting to talk to so many different people! I communicate with customers, software developers, as well ...from interacting with others, and have strong communication skills to tailor your message to any type of... to solve is clear, but the solution is more complicated. You’ll need to be creative to be able to work...team in the UK is five hours ahead, so I’m always catching up in the morning! 9:00 AM--Technical implementation...out. 4:00 PM--Respond to customer help tickets. Catch up on customer help tickets, and respond when I ...technology, software, and science. She loves to advocate for the customer and help build software and technology...
  3. Antibodies 101: Secondary Antibodies

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    Blog Post
    ...with each protein of interest.    Figure 1: The direct approach (left) versus the indirect approach... antibodies may be indicated on occasion, usually after other signal amplification techniques have been...IgG2 or IgG4. This can be important for some applications. Assay use While secondary antibodies are useful..., the flexibility of their use varies across applications. Western blots, for instance, almost always ...For the latter three, secondary antibodies are indicated when the protein of interest is found in low amounts...been ruled out.  Ease of access Signal amplification isn’t the only benefit of secondary antibodies. Finding...quantitative analysis of a sample. Instead, relative quantification can be done using either the direct or the ...
  4. Advice for Starting a Biotech Company from a Grad Student turned Entrepreneur

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    Blog Post
    ...prove the technology. This transition takes around 1 – 2 years. The product is the measure of success...competitions. After much learning, the focus of the application was changed, but Sample6 still leverages the ...fit for this set of technologies, effectively communicating the advantages embodied, and driving the enterprise...He explained that entrepreneurs must clearly communicate their idea at various levels of complexity and...backgrounds how amazing their idea is. While communication styles in academia and industry vary drastically...biggest challenge during this time was learning to communicate effectively to non-scientific audiences. "There...for the company; this will help avoid future complications and potential conflicts that waste money and...
  5. Hot Plasmids - March 2020 - base editors, GEVI, MoClo, and optogenetics

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    Blog Post
    ...native peptide bond at the split site. Figure 1: The base editor is split into two plasmids and co-transfected...voltage indicator Article contributed by Shreya Vedantam Genetically encoded voltage indicators (GEVIs)...fluorescent optics. Existing red fluorescent voltage indicators, however, fall short compared to GFP-based sensors...linker between them. The Ace-mScarlet voltage indicator works like many FRET-opsin GEVIs. With an increase...channelrhodopsins. Find the Ace-mScarlet voltage indicator plasmids at Addgene! Beck et al., Sci Report 2019...increasingly been recognized for its biotechnological applications including conversion of CO2 into water and electrical...the N-terminus of Cre (CreN) are fused to the truncated Phytochrome B (PhyBΔ) and the active protein binding...
  6. Stabilized Bacterial Promoters: Constant Gene Expression at any Copy Number

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    Blog Post
    ...give these stabilized promoters a try. References 1. Segall-Shapiro, Thomas H., Eduardo D. Sontag, and...rounds of replication are initiated before the cell has divided. This means that genes located near the...problems. Rapidly dividing cells initiate genome replication more than once per cell division and thus, genes...genes closer to the origin of replication will be overrepresented compared to those further away. As a...maximal gene expression near genomic origins of replication, the stabilized promoters created by Segall-Shapiro...the control of IPTG. Because RepA is a plasmid replication initiator protein, they could alter copy number...
  7. The Importance of High Titer for AAV Transductions

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    Blog Post
    ...methods to improve AAV production.     References 1.Clark, K. Reed. "Recent advances in recombinant adeno-associated... Protocols for Work with Virus Watch Our AAV Purification Video ...
  8. Four Factors that Differentiate the Stem Cell Field

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    Blog Post
    ...regarding what makes this group of researchers special: 1. Stem cell scientists care deeply about ethics Ethics... have profound impacts on the development of applications with the potential to save lives. While most...
  9. Cas13d: Small RNA-targeting CRISPR enzymes for transcriptome engineering

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    Blog Post
    ... Effectors.” Cell (2018) pii: S0092-8674(18)30207-1. PubMed PMID: 29551272 Plasmids from this paper ...for pre-clinical and clinical applications of dCasRx. The identification of Type VI Cas13d enzymes is ...RspCas13d. RspWYL1 also increased EsCas13d activity, indicating that WYL domain-containing proteins may be broader...even when guides were tiled across a target RNA, indicating that this enzyme does not cleave at a predictable...target essentially any RNA in a cell. Since catalytically dead dCasRx maintains its RNA-binding properties...
  10. Choosing a CRISPR Nuclease: Site Accessibility, Specificity, and Sensitivity

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    Blog Post
    ...sites that were previously unavailable. Figure 1: The PAM sequence that the Cas nuclease recognizes...to generate a genomic alteration at a specific location, it must be accessible by Cas9. Our previous blog...off-target activity, which may be undesirable in many applications. At the time of our first blog post on choosing...CRISPR-Cas9 to increase its specificity." Nature communications 9.1 (2018): 3048. PubMed PMID: 30082838. PubMed...CRISPR-Cas12b for human genome editing." Nature communications 10.1 (2019): 212. PubMed PMID: 30670702. PubMed...
  11. How to Keep a Lab Notebook for Bioinformatic Analyses

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    Blog Post
    ...the output of the analysis performed in experiment 1. Use camelCase: In camelCase, each subsequent word..., specific goal for each analysis will help you locate relevant information in the future. Approach:...folders and files that you see on your desktop. The location of your master directory or folder for all of ...simple .txt document. Record the name, date, and location of all analyses (see above). Give every experiment.... She is particularly interested in science communication and epigenetics. Follow her on twitter @kc_palozola...
  12. Sharing is Caring: But How to Distribute Open Hardware?

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    Blog Post
    ...accessible to practically everyone.     Fig. 1: Open source hardware builds   Since I started...convinced that most microscopy techniques can be replicated with commercially available consumer-grade components... tools has allowed the community to regularly replicate designs worldwide. Distributing hardware via globally...Hohlbein, et. al., 2022). A more open way of communicating in science brings stronger networking across...
  13. Expanding the Targeting Scope and Editing Efficiency of Adenine Base Editors

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    Blog Post
    ...speed: base editing before Cas lets go Figure 1: David Liu gives a talk at the Cell Symposia: Gene... specific DNA base changes and consist of a catalytically impaired Cas protein (dCas or Cas nickase) fused... SpCas9. In order to expand the gene-editing applications and targeting scope of ABEs David Liu’s lab ...through many rounds of mutations, selection, and replications per day.  The PACE and PANCE systems use M13...
  14. Antibodies 101: Isotypes

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    Blog Post
    ...region: IgM, IgD, IgG, IgE, and IgA.    Figure 1: Diagram of an antibody labeled with Fc, Fab, heavy... Isotype controls are used in antibody-based applications including flow cytometry, immunohistochemistry...of these five isotypes, such as the number and location of disulfide bonds, the number of constant domains...
  15. To Each HIS Own

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    Blog Post
    ...of interest and the metal ions.      Fig. 1: A sample containing a polyhistidine tagged protein...proteins within a system. This can be pretty complicated given that a single cell has tens of thousands...single protein? Oftentimes, they rely on protein purification. In this strategy a single protein can be isolated...this blog will focus on one of the most common, purification based on the polyhistidine tag. What is the ...purity (Janknecht 1991, Hochuli 1988). In this purification approach, the metal ions are immobilized on ... incorporation of a cleavage site and a post-purification cleavage step to remove the tag in order to ...2000).  One downside of polyhistidine tag-based purification, however, is the propensity for nonspecific ...
  16. Announcing the Winners of the 2021 Michael Davidson and Roger Tsien Commemorative Conference Awards

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    ... trafficking of these biosensors.   Figure 1: Schematic of iGluSnFR3 (left). GluSnFR3 in pMinDisplay... Haoyi Qiu He Tian Every two years, we seek applications for awards to early career scientists using ...virtual conference attendance. We also opened up applications to research technicians and undergraduate researchers...mercaptopyruvate sulfurtransferase (MPST) which catalyzes the desulfuration of 3-mercaptopyruvate and generates...the chromophore that are susceptible to redox modification, the MPST hydrosulfide can be transferred to... and CNO silencing. (D) Immunohistochemistry verification of the dual virus expression in CR neurons of...where she engineers genetically encoded voltage indicators. Tian developed a video-based high-throughput...
  17. RaPID Detection of RNA-protein Interactions

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    Blog Post
    ...for RaPID is an RNA motif of interest. See figure 1 below for details on the key components of RaPID. ...methods Not in a native context. While native purification preserves RNA structure and naturally occurring...used the Contamination Repository for Affinity Purification (CRAPome), to identify highly biotinylated background...research groups that performed BirA*-based affinity purification mass spec experiments. These background proteins...subtracted from Ramanathan et al.’s RaPID datasets. Applications of RaPID RaPID sounds like a nifty technique...help answer? Ramanathan et al. outline three applications of RaPID: Discovery. To discover novel RNA-... that QKI is a host protein critical to Zika replication. Human genetic disease. RaPID can also be used...
  18. Antibodies 101: Affinity Reagents

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    ... an entirely new affinity reagent.    Fig. 1: A comparison of an antibody (left) to several alternative...re used in a number of research and clinical applications. Most of the time, when someone speaks about...deeper penetration into a tissue, useful for applications like IHC, or be able to access an epitope folded...that would size-exclude an antibody. In imaging applications, smaller affinity reagents means higher resolution...antibody’s ‘Y’. They are often used in clinical applications. Fab fragments can be created in lab in situations...Shahied, 2004). They are often used for clinical applications, including imaging.  Diabodies are ~60 kDa proteins...antibodies are still an excellent option for many applications, and frankly, if ain't broke, don't fix it!  ...
  19. Teaching an Old DOG New Tricks: Controlling Protein Activity with GFP

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    ...see how you use them in your research!  References 1.Tang, Jonathan C.Y., et al. “A nanobody-based system...repurpose popular GFP reporter lines for more sophisticated experimental manipulations, saving the time ..., 98% of TdTomato expressing cells were GFP+, indicating a robust, but specific system. T-DDOGs also successfully...systems are easily adaptable to neuroscience applications, including optogenetics, and they should make...Could Cas9-DOG be developed soon to allow genome modification only in a small subset of cells? Other proteins... PMCID: PMC4096992. Find plasmids from this publication at Addgene. 2. Tang, Jonathan C.Y., et al. “...PubMed PMID: 26258682. Find plasmids from this publication at Addgene. 3. Kirchhofer, A., et al. “Modulation...
Showing: 601 - 620 of 755 results