We narrowed to 1,024 results for: PLE

...sequence this highly complex hot spring sample. The sample was separated into smaller samples of 5-10 cells ... Mork collecting samples at the hot spring. Hiking all day and processing samples by night was fun...leave your samples behind! Paul and Anastasia (Potanina) Neddersen characterized a few samples by 16S ...from these extreme environments. Gearing up for sample collection at the hot springs My husband, Paul ... and two deep cycle batteries for power so the samples could be kept frozen after collection. Figure...challenges: collecting and processing environmental samples Since the high temperatures and unstable ground...dangerous, we used telescoping poles to collect water samples from a distance. At each collection site, we took...

...pipette samples in and out of it, you can set up a procedure for it using the Biomek FxP. For example, we ... pretty simple. By clicking a few buttons you can quickly tell the Biomek FxP how much sample to pick ...easy to spread out your samples. This can be useful if you’re transferring samples from 96 wells plates ... from many bacterial samples at the same time as opposed to preparing each sample individually. Enter ...provide you with some tips on how to automate some simple processes in your own lab. Automating bacterial...warming up too much and dying.  Also, we added a couple of platforms that fit 48 well q- trays allowing...mobile pods - one pod can pick up 96 tips for easy sample transfer between 96 well plates. The second pod...

...high-quality isolated DNA samples of sufficient quantity for sequencing. This process is completed in a plate format...MiSeq that takes about two days to complete. After the run completes, we begin our assembly process. Again...holes are then filled with other samples in our queue such as viral samples for Viral Genome Sequencing (... libraries.  Viral samples are filled into the same process as our normal Complete Plasmid Sequencing ...unique barcodes per sample so we can assign sequencing reads to the correct sample. The PCR is then performed...yielding anywhere from two to six plates of 96 samples per week. This is where our new process will begin...begin. Partnering with seqWell, we are using the plexWell technology to easily and quickly create Illumina...

...the primer sequences. Multiple plasmids can be included in a single PCR, for example for subcloning genes...perform multiple recombination events, all linear fragments need to get into the same cell. For simple cloning... deletions, and point mutagenesis to complex assembly of multiple genes. Primer design for each type of...Combining multiple modifications A key feature of IVA cloning is the ability to combine multiple modifications... the multiply modified product. For example, by combining multiple primers, a C-terminal epitope tag can...GFP-tag (Figure 3). Achieving multiple modifications requires multiple recombination events to assemble...allow any cloning procedure to be performed using a simple two-step, 2 hr protocol prior to transformation...

...new assembly platform for generating both simple and complex DNA constructs Have you ever wished you ...it comes to simultaneously modifying multiple loci (multiplexing). Currently, the only genome engineering...revolutionized genome editing in multiple organisms thanks to its simple, easily modifiable RNA-guided targeting...S288c strains since failing to fully complement strains with multiple auxotrophies or using different auxotrophic... one third of all medications target G-protein coupled receptors (GPCRs) yet one third of the GPCRs in... and basic biologists alike often need to test multiple expression systems before they achieve the appropriate...have greatly simplified the process of generating multiple E. coli gene expression plasmids with the Cross-disciplinary...

... as Cascade (CRISPR-associated complex for antiviral defense) complexes, while Class 2 use single protein...tools using a Cascade complex is tricky, as you need to ensure every unit of the complex expresses at similar...present in the Cascade complex. Figure 2: Schematic of a Cascade complex (blue subunits) with a...primary effector complex but are defined by the accessory Cas proteins in the Cascade complex. Despite a tenuous... it can process multiple gRNAs under a single promoter, allowing for easy multiplexing. The double-stranded... of CRISPR technologies. Learning the general principles of this classification system will help you gain... your own research! Classification Structure Principles of CRISPR classification While CRISPR systems...

...approach is as follows: Prepare the sample. Incubate the sample with the primary (unconjugated) antibody... but it probably should be. In a multiplex assay - one with multiple proteins of interest - the secondary... simplifying multiplex assays.  A brief note Since the indirect method relies on multiple secondary antibodies...antibody instead of the primary antibody. Since multiple secondary antibodies can bind to a single primary...in blue; secondary antibodies are represented in purple; signaling molecules are represented in light green...stem of an antibody’s Y) is large enough to allow multiple secondary antibodies to bind to a primary antibody...remove any unbound or excess antibody. Incubate the sample again with a conjugated secondary antibody, which...

...biology are not so simple, and engineering complex cellular behaviors requires making complex manipulations...understanding MoClo. By a similar principle, TUs can be further complexed into multi-TU constructs, known...Level 1: Assembly of multiple Level 0 parts into TUs. Level 2: Assembly of multiple Level 1 TUs into multigene...restriction enzyme and a ligase are used to assemble multiple DNA fragments together in a one-tube reaction....predictable behaviors. While a gene is the most obvious example of an individual part, this category also includes... (TUs), which are functional units composed of multiple parts transcribed together. They can express one...begin with a promoter and end with a terminator. A simple TU could be comprised of just three parts: promoter...

...bind to - particularly when you start using complex samples such as whole cell lysate or tissue sections...antibody signal in the retinal sample, but little to no signal in the liver sample, which you do (C), so your...signal in samples that have had the target protein expression experimentally increased. The simplest version...antibody works! Multiple (Independent) Antibodies Strategies These strategies use multiple, unique antibodies...require variable expression of your target across samples - it is hard to distinguish between specific, invariable...proteomic and transcriptomic datasets already exist.   Example: You want to use an antibody to examine the levels...there is a wealth of transcriptomic data from this sample type, so you use your bioinformatics skills (or...

...conflict. Most people perceive any conflict as inherently bad, and in many cases it can be. If people or teams...one of your strengths. Empathizing with people, especially people with whom you strongly disagree, is a ...there to arbitrate for them. They were different people with some very different opinions, and some of ...’t just about resolving conflicts between other people, but resolving your own conflicts as well. What...strengthen. The right set of transferable skills, coupled with your technical skills, can open new career...”. A personality-based conflict occurs when two people cannot agree or get along with each other, regardless...left unchecked, this type of conflict can lead to people disagreeing with each other just for the sake of...

...protein expression varies from sample to sample. To compare one sample to another, you’ll need to normalize...curve, your standard, and your sample(s), as you can only compare samples to a standard curve generated...published antibodies, check the manuscript and supplementary figures for validation data, or follow the references...western blot. Polyclonal antibodies, which bind to multiple sites on an antigen, are cheap and can help amplify...overnight or 1–2 hours at room temperature (RT). Most people choose to incubate their primary antibody overnight... likely higher background noise as well, and multiplexing is challenging and limited. Direct westerns ...conjugated to primary antibodies). Direct westerns are simpler and faster than indirect ones and can be used in...

...place people share ideas. Ideas had over lunch are just as valuable! In 2019, Addgene implemented a company-wide...funding in the world? What if you could hire more people? What would you do with unlimited time? Another...brainstorm session is to start with something completely unrelated to the issue and consider how it could...expert at Stanford conducted an experiment in which people were asked to create a device to help students ...avoiding groupthink, the tendency of a group of people to agree with the most prominent idea, and instead...comfortable sharing their ideas? And how do we give people the opportunity to speak out and prevent groupthink...you meet. This holds the dual purpose of giving people time to process the issue properly while also discouraging...

...flat-bottomed plate. The basic principle of an ELISA is that any antigen within a sample adheres to the well (either...wells with an experimental sample allows for detecting one protein from the sample. A direct ELISA has many...require scientists to detect proteins in their samples. One technique that relies heavily on antibodies...antibodies coating the wells to capture antigen from a sample, whereas antigen is bound directly to the wells...protein you are interested in detecting in your sample. When an ELISA kit is ordered, the wells are typically...already coated with the antibody. Then, you add your sample to the wells, and the antibodies bind to your protein...ELISA is best used to detect proteins for which multiple antibodies that recognize different epitopes are...

...choosing antibodies   Complexity is a key factor Biological systems tend to be complex with a variety of ...Experiments tend to be equally complex with users trying to probe multiple targets in parallel. In these...antibody) approach?  Staining for multiple targets When staining multiple targets indirectly, you must strategically...If you are lucky in lab life, you will have a plethora of antibody options for your experiment (all well...Some secondary antibodies are broad and recognize multiple isotypes from a species, like a general anti-mouse...than a broadly  reactive secondary (Fig. 1). For example, an anti-mouse IgG2a secondary would be a better... rabbit versus mouse monoclonal antibodies for example. Rabbit monoclonal antibodies have higher affinity...

...individual experiment. Practical example: lymphocytes in a mouse tumor sample You made it! So much about the...When using flow cytometry to analyze your samples, it is necessary to set up a sequence of gates to be...working with a heterogeneous cell population, for example from a processed piece of tissue, where cells are...variations in those factors. To understand the principles of gating, you’ll first need to learn a little...size, while SSC values depend on the structural complexity inside the cell or on its surface. Bear in mind...on the cell’s size, morphology, and structural complexity.   Height, Width, and Area Within FSC and...the area under the resulting curve. By default, a sample on the flow cytometer (before you set the first...

...Perfect Science Talk." 4. The chalk talk, simple in principle The first question I usually get about chalk...relate to, that people would agree is important to understand. (1-2 sentences). For example: Distinguishing...you have any questions, comments or suggestions, please do not hesitate to email me at [email protected]’ve provided guidance and mentoring to several people that found my insights helpful. All went on to ... need a Nature/Cell/Science paper. You do need multiple first/corresponding author publications in quality...for feedback), possibly the Dean, and even some people in your field that still need to understand your...slide deck, markers, etc. Chalk or markers force people to be more succinct. Slide decks leads to the opposite...

...expediently join multiple synthetic fragments, create multiple mutations in one or multiple fragments, and...joining multiple fragments of DNA to create a synthetically designed DNA sequence. There are multiple methods...becomes as simple as mixing fragments together with linearized vector for seamless joining of multiple mutations...standardized constructs and tools for the rational and simple shuffling of DNA regions. Golden Gate Assembly ...Assembly Tool which is freely available online. Its simple interface can guide you through both experimental...Assembly Mix include:  Generation of constructs with multiple point mutations Cloning sgRNAs Production of Yeast...Expression Cassettes Generating constructs with multiple point mutations NEBuilder HiFi can simplify multi-position...

...important” or senior people. Focus on building relationships with peers and people around you naturally...run. Don’t worry about the people that don’t respond; focus on the nice people who do respond. Don’t call...connecting with people you don’t like or who do not show interest in you. Network with the people that you want... it’s about building genuine relationships with people you care about knowing. How do you follow up with...the encounter. As a side note, my guess is that people will not be exchanging business cards for awhile... you have something to ask or say. It can be as simple as “it was nice meeting you.” Include follow-up...who helped you succeed in any way. Don’t believe people who tell you that thank you isn’t necessary. I ...

...and so it may be necessary to try multiple techniques. For example, we have found that some antibodies...detecting the target-of-interest in your assay and sample-of-interest. The approaches available broadly map...determining the selectivity of antibodies for other sample types and for non-surface (intracellular) antigens...protocol used and the abundance of the epitope in the sample, relative to cross-reactive antigens – that is,...approaches used will be different depending on the sample and target type. To start the validation process...antibody validation, and it is recommended to screen multiple candidate antibodies when possible. If cost is...the target at a robust level, similar to that in samples of interest. If you are working with cells that...

...success or failure: In our second example we’ve added some simple but critical logic. Some steps fail... a new tube. In the first example we’ve used inheritance to tightly couple the contents of a tube with...appropriate glycerol stock within our freezers Pick the sample into the appropriate stab culture Grow the stab...proper location To keep ourselves from mixing up samples and to ensure that everything is grown successfully...needs to handle these cases. The following code examples show how software can be structured to allow for... for the messiness of biology. These examples are intentionally trivial, but they're here to help tell...tell this story. In this first example to the right (# this will make you sad),  someone has put in a request...