We narrowed to 649 results for: Vars

...London), Dr. Connie Cepko (Harvard Medical School), and Dr. George Church (Harvard Medical School) who took...We've interviewed Addgene depositors who are at various stages in their careers to get advice on choosing..., you're doomed.” 2. Always be sure to include various positive and negative controls to “convince [any...experiment is definitely not a fluke.” 3. Engage in various projects and help colleagues with their work. “...critical thinking skills that are applicable to a variety of careers outside of academia. She has had previous...

...circular plasmid that can be easily maintained in a variety of biological systems. Read on for an in-depth ...backbone. Ideally, the backbone will contain a variety of restriction enzyme cut sites (restriction sites...completion. The time required for complete digestion varies for different enzymes. Many companies now sell ...be cut out of the gel individually. There are a variety of ways to visualize the DNA in your gel (this ...approximately 1:3. Since the number of base pairs for each varies, it is difficult to calculate this based on DNA...for each plasmid you are trying to create, with varying ratios of recipient plasmid to insert. It is critical... plating on the appropriate antibiotic and try varying the “recipient plasmid : insert ratio” in the ligation...

...was the Head of Oncology Target Discovery at the Novartis Institutes for Biomedical Research. Drug development... genetics.” As a postdoc in Stephen Elledge at Harvard Medical School, he developed the first lentiviral...are less common, they can be very impactful. At Novartis, Stegmeier deposited the ClonTracer Barcoding ...an Associate Professor at Mass Eye and Ear and Harvard Medical School (HMS) where he leads a lab of 25...also teaches at HMS and has been involved in a variety of commercialization efforts in gene therapy either... an Associate Member at the Broad Institute of Harvard and MIT. ...

...changes of these Twitch sensor variants were optimized by testing various linker configurations in a large-scale...from muscle cells. They identified a toadfish TnC variant which had a high-affinity for calcium binding and...large-scale functional screen in bacteria. Sensor variants were then refined by a secondary screen in rat...“trick” to the development of additional color variants. This resulted in the construction of redCALWY...redCALWY-1, a red-shifted FRET sensor for zinc using variants of mOrange2 and mCherry as donor and acceptor ...

...proteins, to study or alter their function for a variety of purposes. One focus of bioengineering is antibody...Antibodies can be broken up into smaller parts, the variable regions can be altered for specific functions,...IgG: immunoglobin G; ScFv: single-chain fragment variable; sdAb: single-domain antibody (often referred ...primers are a group of primers that contains a variety of degenerate codons (different codon sequences...sequences that code for the same amino acid) for various amino acids. Essentially, instead of forcing sequence...therapies and improve their delivery methods to various cells. The wealth of smaller engineered antibody...19px;font-family: helvetica;","color":"#FFFFFF","variant":null,"font":"helvetica","style":"font-family: ...

...biosensor tools, we now offer the jGCaMP7c variant in AAV1. This variant exhibits high contrast between its resting...serotype testing. These samples are available in various serotypes of two popular control AAV encoding GFP...basal fluorescence of the sensor. This “contrast” variant provides improved detection for tracking large ...-WPRE 105322  AAV1 pGP-AAV-syn-FLEX-jGCaMP7c variant 1513-WPRE 111262  AAV1 pAAV-hSynapsin1-axon-GCaMP6s...Name 105322  AAV1  pGP-AAV-syn-FLEX-jGCaMP7c variant 1513-WPRE 105714  AAV8  pAAV-Ef1a-fDIO-GCaMP6s...

...Klebsiella spp. Dr. Devarshi Gajjar, The M. S. University of Baroda, India  Devarshi Gajjar has 10 years...antibiotic susceptibility of biofilms formed on various structured surfaces. Plasmids expressing fluorescent...astrobiology. During the last 11 years he has studied various aspects extreme life on earth including extremophile...scientists globally, Addgene has partnered with various community organizations and workforce projects ... Various Addgenies...

...be used to study dynamic processes. Conversely, varied input patterns may also be used to engineer new...response regulator (RR). TCS-induced responses are varied; one outcome is directed transcription from a given...obligate chromophore allows the system to respond to various light inputs. In far-red light or dark conditions.... A hybrid histidine kinase/photosensor senses various light inputs, and an obligate chromophore allows...They experimented with the promoter strength of various components, removing inducible promoters that could...many of these systems could be made suitable for various scientific or engineering applications.   References...

...Japanese firefly (Luciola cruciata), and more. These variant proteins offer different kinetics, substrate requirements...wavelengths. In addition, researchers have engineered a variety of improved luciferases. NanoLuc® Luciferase is...provides flexibility by pairing the luciferase with a variety of fluorescent proteins that produce different ...in the presence of a compatible substrate, which varies depending on the specific luciferase you choose...measurements of luminescence from live cells. Luciferase variants with incompatible substrates can also allow multiplexing...provides empty backbones with the luciferase gene, a variety of expression vectors, and literally thousands ...

...technology. Nano-lanterns contain a Renilla luciferase variant fused to an FP; when supplied with a luciferase...collection of multicolored nano-lanterns for use in various applications, including optogenetics, biosensors...BRET). Photons emitted by a Renilla luciferase variant are used to excite the fused fluorescent protein...requires a linear unmixing algorithm to separate the various colors. In fluorescent imaging, you use the excitation... wavelength partially separates the signals of various Nano-lanterns, but it does not isolate each Nano-lantern...Addgene. Suzuki, Kazushi, et al. “Five colour variants of bright luminescent protein for real-time multicolour...

...uncover new gene variants associated with conditions of interest, then studying those variants in model systems...The goal of Kiran Musunuru's lab in Harvard's Department of Stem Cell and Regenerative Biology is to ...implicated in disease or, in cases where particular variants or mutations have been reported in people, we ...for decades to generate knock-out mice, but for various reasons it is not nearly as efficient in human .... You could use the kit to insert all of those variants into stem cells with the same genetic background...

...designed 2 variants of EosFP that can withstand these conditions- mEos4a and mEos4b (12). Both variants are ...20 different varieties of PA-FPs available to the scientific community, and new variants are still being... random mutagenesis screening for enhanced RFP variants. PA-mCherry (E26V / A58T / K69N / L84F / N99K ...respectively. When illuminated with violet light, both variants are photoconverted to forms that emit brighter...PA-FPs. Several other irreversible PA-FP spectral variants have been discovered such as Kaede and PS-CFP2...

... can also be attached to an antibody to detect various targets, such as proteins, nucleic acids, or glycans...These tags consist of a genetically encoded enzyme variant that covalently reacts with a small substrate ligand...protein of interest. Fluorescent dyes and ligands vary in their chemical structure, leading to differences...in biotechnology (Grimm & Lavis, 2022). These variations directly impact the way you can utilize these...mitochondria, and different dyes can result in varying cytoplasmic background signals when used with the... that different fluorescent ligands can elicit varying degrees of β-arrestin-2 recruitment to receptors... ​​(Hayashi-Takanaka et al., 2014). Dyes can also vary in their brightness, depending on the respective...

...through the path of a laser and interrogated with various visible and fluorescent light sources that allow...and target protein composition. It is used for a variety of applications such as measuring target protein...addition to visible light, flow cytometers can have a variety of fluorescent light sources. When interrogated... detectors. The strength of the emitted photons varies from cell to cell depending on the level of fluorescence...particularly well to complex experiments looking at a variety of different targets. If you are planning on using...Alternatively, they could create additional dot plots of various CD markers to further separate the B cell population...Success in a flow cytometry experiment depends on a variety of factors including sample preparation, staining...

...light chains) each with a constant region and a variable region. The chains are covalently linked to one...the Y and comprise the entire light chain and a variable and constant region of the heavy chain. As the...structure with important features labeled. V = Variable domain. L = Light chain. C = Constant domain. ... Fv - These fragments are composed of just the variable domains of the heavy and light chains of an antibody...resulting in a product called a single-chain Fragment Variable (scFv). Size: ~25 kDa.   Figure 2: Comparison...Introduction to AntibodiesSingle Chain Fragment Variables (scFvs)Avoiding the Mouse on Mouse Mess in IHC...

...plasmid copy numbers vary within cell populations and over time resulting in variable gene expression that...overrepresented compared to those further away. As a result, variable gene expression can make data hard to interpret... in the same background resulted in a 20-fold variation of gene expression. Because pSC101 is not representative...also tested in different plasmid backbones that varied in size or carried different genes. In these cases... complex, stabilized promoters can eliminate variability between the different components. When your pathway...

...expressing variants of Yellow Fluorescent Protein (YFP). The team identified a new YFP variant, mGold. mGold...specific target sequences in DNA resulting in a variety of outcomes including excision or insertion, inversion...Birsoy. Find the library here A new SaCas9 ABE variant (microABEI744) has improved on-target editing efficiency...compared to current N-terminal linked SaCas9 ABE variants. It's also one of the smallest AAV-deliverable...  Various Addgenies...

...recombinant antibody. Researchers first sequenced the variable domains of Myc1-9E10 in the late 1990s (Fuchs,.... As a result, you can now find Myc1-9E10 in a variety of isotypes like rat IgG1, human IgG2, mouse IgE...anti-Myc [9E10] Fab fragments and single-chain variable fragments.  Abi, on the other hand, might...mentioned above basically involve taking the Myc1-9E10 variable regions and sticking them onto different scaffolds... Myc tag? Hardly! 9E10’s accessibility and the variety of formats you can find it in likely mean it will...Myc tag monoclonal antibody 9E10 displays highly variable epitope recognition dependent on neighboring sequence...

...blogger Jon Chow, an immunology PhD student at Harvard University. Do you have a gene of interest but ...certain that they are too young to mate. Using various markers (more on that below), you can select for...look like stubble (sb). For a better reference of various fly phenotypes, check out the Classical Genetics...available at Bloomington, but you can search for various fly reagents on the Bloomington website as well...ready to start working with live animals yet, Harvard’s DRSC/TRiP- Functional Genomics Resources website...Chow! Jon Chow is finishing his immunology PhD at Harvard University. He has had nearly a decade of experience...

...Implen NP80 or DeNovix DS-11, but some details might vary.  How it works — briefly Spectrophotometers measure...your sample is protein. Proteins absorb light to varying degrees across the UV range used in NanoDrop systems...during nucleic acid purification can leave behind a variety of potential contaminants, some of which are easier... where absorbance readings are inherently more variable. If you do need to work with dilute samples:  ...cautious when interpreting purity ratios, as they can vary significantly at low concentrations.  The elution...is commonly used for elution, it can give more variable absorbance readings. A Tris-buffered solution ...