Skip to main content

We narrowed to 931 results for: TIM;

Showing: 121 - 140 of 931 results
  1. The Materials Science of Optogenetics Experiments

    Type
    Blog Post
    ...thus individual laser stimulation is essential. In terms of the laser stimulation itself, the output of...control one or two lasers are also available. Optimal stimulation parameters must also be determined empirically...the dorsal/ventral location of your region of stimulation (the z-axis bregma coordinate). Because the light...it enters tissue, placement above the site of stimulation guarantees that the majority of the opsins will...should be about 0.4-0.5mm above the site of your stimulation. The scatter effect is also an important consideration...during the entire protocol, otherwise optical stimulation will be erratic, opsin activation/inactivation...able to purchase one pre-made instead). Laser stimulation         In the video above, Channelrhodopsin...
  2. Tips for Using BLAST to Verify Plasmids

    Type
    Blog Post
    ...have found it saves analysis time to remove this default setting. Timesaving Tip #2: blastx searches are...option to drastically reduce waiting time for search results. Optimizing blastp searches Depending on the ... clones, try these tips to make the most of your time and sequence! You might also enjoy seeing how our...discrepancies. The blastp and blastx programs are optimized differently and you may want to select one (or.... We will delve into these differences below. Optimizing blastn searches On the Standard Nucleotide BLAST...fastest BLAST search to perform and will save you time compared to other types of BLAST searches. If you...may be the most comprehensive for searching. Timesaving Tip #1: If you know the species that your sequencing...
  3. A Primer on Optogenetics: Introduction and Opsin Delivery

    Type
    Blog Post
    ...promoters). Conduct a time course experiment in which you monitor expression at various time points (e.g. every...weeks over 8 weeks) in order to determine the optimal time period between viral injection and commencement...you attempt to stimulate the cell body or an axon terminal also affects the length of time you may need ...like wildfire and for good reason. For the first time in the history of neuroscience research we have ...circuit of interest in promoting reward is a self-stimulation experiment wherein mouse initiated optogenetic...in a reward sensation and subsequent repeated stimulation. A spatial memory task, on the other hand, would...opsin of choice in the brain region you wish to stimulate 2) Fabrication and implantation of the optical...
  4. 22 Hot Plasmid Technologies from 2014

    Type
    Blog Post
    ...Yan labs developed MitoTimer plasmids. MitoTimer proteins are derived from the Timer protein - a mutant...occurs during Timer protein life due to a form of oxidation (dehydrogenation). MitoTimers are composed ...has used an inducible MitoTimer reporter using a Tet-on system (pTRE-Tight-MitoTimer) to show its usefulness...Bomati et al., Sci Rep 2014 Jun 27;4:5469. MitoTimer plasmids to report mitochondrial turnover ...color from green to red when it is oxidized. The Timer tool has already been used by several groups to ...composed of a Timer protein fused to the mitochondrial targeting sequence of cytochrome c oxidase subunit VIII...changes in mitochondrial turnover and transport. pMitoTimer from Yan’s lab, which is constitutively expressed...
  5. The Importance of a Fun Workplace: Company Culture at Addgene

    Type
    Blog Post
    ...reason we sincerely like spending time together is that when it’s time for fun, everyone is confident that.... No, we’re not all BFFs. Yes, sometimes teams disagree. Yes, sometimes work is a bummer when you’d rather...little neurotic, but hey- sometimes fun needs to be had in an orderly and timely fashion. 9. Ask for help...founders and early employees spent this remaining time by elaborately pranking each other, dressing in ...keeps all of us quite busy. Though there still isn't time for goofing off, the company culture here at Addgene...weekend was the annual Addgene Summer Picnic - a time when Addgenies and their families join together ... it was just beginner’s luck, but I’m feeling optimistic for the next tournament). Minus a little rain...
  6. Plasmids 101: Codon usage bias

    Type
    Blog Post
    ...usage bias - codon optimization and the expression of alternative tRNAs Codon optimization With low cost DNA... host online codon optimization tools. Keep in mind that, just because you optimize a gene with one of...gene that’s been codon optimized for a particular organism, this will sometimes (but not always) be noted...tRNAs If you don’t have the time or the funds to synthesize a codon optimized version of your gene of interest... Pechmann and Frydman found that tracts of non-optimal codons are associated with specific secondary structures...desired expression host. This is known as “codon optimization.” Though simple in theory, this is not as easy...Luckily, many researchers have created codon optimization algorithms and DNA synthesis companies such ...
  7. How to Negotiate a Successful Lab Start Up Budget

    Type
    Blog Post
    ...on these findings. Most often we suggest estimating the time it will take to secure your first (R-level...should take the following steps: 1. Define your timeline Start with your thesis in mind. Imagine the kind...R-level) research grant.  Set your timeline from there, then start identifying the resources needed to accomplish...accomplish that goal. 2. Identify the tools in that timeline Avoid writing down prices as you create your list...these tools as possible, this even includes clocks, timers, and phones.  As for reagents and consumables (...”, “weaning”, “colony”, etc. This will help save time by screening out irrelevant candidates, and, more... creates a self-assured discussion when it comes time to decide what resources to keep, and which ones...
  8. Transferable Skills: Negotiation

    Type
    Blog Post
    ...this time and what your needs actually are: Maybe you only need 15 minutes of the two hour time slot,...rest of the time to collect her data. Perhaps you both have an issue with childcare timing pickup. Whoever...available after-hours time slot.  You were hoping that your lab mate would have time to make comments on...successfully!), the process felt unnatural and intimidating. I felt unprepared. Mainly, I thought of negotiation... by people wearing business suits discussing multimillion dollar contracts behind closed doors. ...buffer this week?). Scientists negotiate all the time over everything from which experiment to do next... argument but felt bad afterwards). Or worse, sometimes there’s no agreement at all and everyone leaves...
  9. Viral Vectors 101: AAV Variables That Matter

    Type
    Blog Post
    ...with validation and optimization. Although there are different ways to ultimately achieve success, we ...that looks effective. Ultimately, the perfect “high titer” is one that optimizes gene expression where...you’re ready to start selecting, testing, and optimizing three key variables of an AAV vector: serotype... your AAV system and b) steps for testing and optimizing your serotypes, titer, and promoter. Note that... gene expression, but can become methylated over time, resulting in decreased expression (Damdindorj et...). They are useful when you need to control the timing of expression in your experiment. Some inducible... to define high titer, then, is this: It’s the optimal number of viral particles per volume required to...
  10. Transferable Skills Guide: Identifying Your Transferable Skills

    Type
    Blog Post
    ... wanted to hit out of the park, part time work, bills, (at times) a social life and rest. I need it just...think of a time you’ve lead your team in a defined direction in the past. Maybe there was a time you noticed...   What is a transferable skill? Time management. I needed it when balancing a handful of demanding courses... other not-so-technical skills you’ve built over time are only applicable to those positions you have ...you’re guaranteed to get the job, however, many times the hiring team will also want to examine not just... your potential manager wants to hear a specific time that you thought outside the box to solve a problem...not being tapped at the moment? You can take this time to step up and develop your nascent leadership skills...
  11. Evolution of Lab Techniques

    Type
    Blog Post
    ...largely replaced by real-time PCR to answer the same experimental questions. Real-time PCR detects and quantifies...are replaced by improved versions that save both time and money. Yet, knowledge of historical techniques...evolution. Southern blotting and quantitative real-time PCR Southern blotting, named for its inventor Edward...requires a large amount of high-quality DNA, real-time PCR has several advantages including easier automation...the amount of DNA used saving the researcher both time and resources (3). Still, researchers generating...blots have a lower false positive rate than real-time PCR (4). Restriction mapping and modern sequencing...to studying DNA sequences helped researchers at a time when sequencing was still in the early days of development...
  12. Hassle-free 96-well Format Epitope Tagging Using Cas9 Ribonucleoprotein

    Type
    Blog Post
    ...single guide RNAs (sgRNAs), are time-consuming, have been typically optimised for immortal/genetically-corrupt... You’ll need to optimize csRNP delivery for each cell type you work with (optimization includes selection...protein. To study 20,000 human proteins, this would be time-consuming, expensive, and not to mention frustrating...RNA and donor DNA design, and implemented our optimised protocols into a medium-throughput pipeline for...now use for IP and ChIP assays. Tag 96 genes at a time using Custom Synthetic cr:tracrRNA/Cas9 Ribonucleoprotein...homology arms (Figure 1). In the first step of optimization, we started off by using custom synthetic two-part...various other suppliers with a typical turnaround time of 5-7 days. The crRNA and tracrRNA are annealed...
  13. Transferable Skills Guide: Managing a Team

    Type
    Blog Post
    ...check myself sometimes to make sure I am delegating well, but it does get easier over time! Communicate...management skills can be taught, but it will take time so be patient and keep an open mind. First let’...through doing things. Had I realized that at the time I could likely have retained this talented undergrad...First, it soon became obvious that I didn’t have time to do everything as I planned and I was missing ... be trained, which may seem like a waste of your time at first. After all, you know exactly what and how...faster to do it yourself? Training certainly takes time - so plan accordingly -  but think of it as an investment...investment: once the person is trained you will have more time to focus on what you should be doing : writing a...
  14. How to Be an Excellent Trainee

    Type
    Blog Post
    ...they have time to answer outstanding questions you have, well before experimental crunch time. Don’t: ...needs. Remember, your bench mentor’s training time is time set aside just for you – so do your best to ...progress. You will also probably have a lot more face time with your bench mentor than your scientific mentor... it shows you are motivated – plus it’s a big timesaver for them if you come to a training having already...and/or receive help until you’ve already started a time sensitive experiment. Ready to fly solo? Let your...attempting a technique on your own for the first time. They can then plan accordingly in case you have... In the latter case, you can say “I usually need time to gather my thoughts, but always have questions...
  15. Binning Singletons: Tackling Conference Networking When You Don’t Know Anyone

    Type
    Blog Post
    ...attend sessions with.” These sentiments were echoed in the other testimonies we gathered. The program definitely...The sheer scale of a large conference can be intimidating. And it can be exacerbated when everyone seems...know one another, but they don’t know you. First time attendees and those attending alone often feel this...While I had been to the General Meeting seven other times I had subsequently changed fields and my cohort ...I didn’t know anything about these people at the time, but I met some very accomplished scientists and... a mentor who had attended the meeting multiple times before and would help the Singletons plan for and... and Singletons can accelerate the networking timetable for the Singletons in their bins.  The next component...
  16. Changing Labor Laws Bring Increased Postdoc Wages

    Type
    Blog Post
    ...the threshold at which salaried workers receive overtime payment for working more than 40 hours per week... level (the current average postdoc salary is estimated at around $45,000, but as I’ve discussed elsewhere...hours that these scientists work and paying them overtime accordingly. Read Additional Career Posts on the...2016, Secretary of Labor Thomas Perez updated the overtime regulations of the FLSA. The exemption salary ... to be exempted from the need to pay employees overtime, salaries must be above this level, and certain...Fair Pay for Postdocs: Why We Support New Federal Overtime Rules, made clear that institutional arguments...organizations across academia). Increased postdoc wages, overtime tracking? What are institutions doing? Institutions...
  17. Revamp Your Lab Meetings With Creative Virtual Collaboration

    Type
    Blog Post
    ...sending out these questions ahead of time so that lab members have time to prepare their thoughts. Then at...believe that showing something different from time to time breaks up the monologue a little and gives participants...forced to work from home and/or be in the lab at odd times, new strategies can make socially distanced work...creating space for discussion at the end of each talk - time for free interaction and brainstorming. This could...take minutes that can be accessed by anyone at any time. This document can be shared and serve as a springboard... Take brain breaks Meetings can get very long sometimes, and interaction fades away the longer we are ...take breaks. After 1 hour (or another designated time) of meeting, someone could raise their hands or ...
  18. Finding and Joining Your Dream Lab

    Type
    Blog Post
    ...since hiring opportunities arise at various times. If the timing and interests align for both parties, he...completely happy at work all of the time, the goal is to spend as much time in the "zone" as you can. You know... each other to be physically present at certain times during the day? We asked three lab heads how they...about his or her interests, and spends one-on-one time with the current members to share short-term goals...provide a solid foundation on which to thrive during time spent as a graduate student or postdoc. Although...research field is important, the end goal during this time is to be trained to think and execute tasks like...choosing direction of a project. If you expect more 1:1 time with the advisor, you should choose accordingly....
  19. Summer SciComm Series: Cognitive Load

    Type
    Blog Post
    ...an 11-page Cell paper - and sometimes, it might actually take me less time to read the book.  Intuitively...second post in our Summer SciComm series and it’s time for one of my favorite scicomm bandstands: cognitive...up is this: It takes me about the same amount of time to read a 100-page genre fiction novella as it does...Learning, using, and retaining new vocabulary takes time and effort (otherwise it would be a lot quicker ...concepts are easier to grasp than others. But sometimes we’re unaware that we are leaning on an unspoken...connecting information and a logic to the types and timing of questions that are asked. Many things, therefore... and then build up from there. In every project, time, attention, and/or length restraints mean you will...
  20. Corralling and Cornering the Goldilocks Antibody

    Type
    Blog Post
    ...determines the signal’s strength. Exposure time is the amount of time the sample needs to be under light to...compare exposure times of our samples. A prominent, strong signal has a shorter exposure time than the negative...2015), causing a huge waste of precious samples, time, and funds – up to US$350 million in 2015 alone ...molecules), reliable (wouldn’t perform differently over time), compatible with the desired applications (such...strength is based on binding specificity and exposure time. We first have a negative control which does not...goldilocks antibody selection process The exposure time of the primary antibody compared to negative control...to discern the signal. If the exposure time is long (e.g. > 1/7s) then the signal is weak and vice versa...
Showing: 121 - 140 of 931 results