...slow the polymerization of formaldehyde.  Note: Formaldehyde in solution will naturally polymerize and lose...paraformaldehyde (PFA) as the fixative. PFA is a polymer of formaldehyde that, on its own, is not a fixative...PFA is dissolved in solution and heated, it depolymerizes, producing formaldehyde. Often people will call...

.... Arguably the simplest affinity tag is the polyhistidine (His) tag. Small and unlikely to affect function...the tag size quickly – modifying the length a polyhistidine tract does not greatly alter the size of the...used for purification as elution requires low pH poly His HHHHHH  0.8 Affinity and Purification Very small...Solubility and Affinity Abundance of charged and polar residues improves solubility; good for antibody-...

...of the sample to that of a standard curve to extrapolate the concentration of antigen in the sample. A... present in the sample and is calculated by extrapolating from the standard curve. Because the primary... present in the sample and is calculated by extrapolating from the standard curve. Scientists often opt... Selecting the Right Antibody Antibodies 101: Polyclonal Antibodies Resources on addgene.org The Addgene...

...positively charged polycation, polybrene. Interestingly, one study found that alternative polycations such as DEAE-dextran...efficiency of lentiviral vectors: effect of sera and polycations.” Molecular Biotechnology 53.3 (2013). 308-14...

... sample and subject to isothermal recombinase polymerase amplification (RPA) using a commercially available...reaction also contains SSB, strand displacement DNA polymerase, recombinase, and the ssDNA-FQ reporters that...transcription. This is then amplified by PCR using Taq Polymerase and then transcribed to provide RNA substrates...instead of RPA. Unlike RPA, this technique uses Taq polymerase which is widely available and less expensive....

...developed to quantify RNA transcription by RNA Polymerase III. By expressing Corn under promoters for transcripts... transcripts uniquely transcribed by RNA Polymerase III (5S, tRNA and U6) and measuring Corn fluorescence...effect of mTOR inhibition on the activity of RNA Polymerase III. Red and orange fluorescent aptamers Corn...PMC5602116. Song, Wenjiao, et al. "Imaging RNA polymerase III transcription using a photostable RNA–fluorophore...

... biology and biotechnology purposes.  Once a polypeptide is biotinylated (more on this below) it can be...Northern blotting Cell surface labelling Attaching polypeptides to a substrate Flow cytometry/fluorescence-activated...to either terminus of a DNA sequence during a Polymerase Chain Reaction (PCR) by using a biotinylated ...commonly used this method to attach proteins or polypeptides to a solid substrate (Holden and Cremer, 2003...

...single stranded regions with homology to anneal a polymerase, to fill in the gaps a DNA ligase, to seal the...than 200 nucleotides before the annealing and polymerization steps could occur. Secondly, it does not work...instead of using the exonuclease feature of T4 DNA polymerase, which must be controlled by the presence or ...methods that have been described--CPEC (circular polymerase extension cloning) and SLiCE (Seamless Ligation...

...enter the cell with the concentration gradient to depolarize it (Nagel et al., 2003). Inhibitory opsins are...Na+) against the concentration gradient and hyperpolarize the cell (Mattis et al., 2012). Bicistronic ...considering for your experiment, note that you cannot extrapolate results from one cell type to another, as they... A. K., Hegemann, P., & Wiegert, J. S. (2021). BiPOLES is an optogenetic tool developed for bidirectional...

...photoactivatable, optogenetic accuators to depolarize or hyperpolarize membranes. Traditional FRET reporters... sensor, membrane depolarization increases the BRET signal whereas hyperpolarization decreases the signal...

...join any fragments end-to-end without the exo/polymerase generation of annealed complementary regions....and even include profiling single nucleotide polymorphisms (SNPs) (5,12,13). For example, in the Ligase...Shuman, Stewart, and Christopher D. Lima. "The polynucleotide ligase and RNA capping enzyme superfamily of...for characterization of resistance-mediating polymorphisms in African samples of Plasmodium falciparum....

...Updated March 6, 2020. After months of input and polling, Blugene's new virus friend finally has a name!...participation in suggesting names and voting in our poll. Now, we'd like you to meet..... *drumroll* Aavery... out this form here linked below. We’ll keep the poll open until February 28 5PM EST and we’re excited...

...guest blogger Pooran Dewari, a postdoc in Steve Pollard’s lab at the MRC Centre for Regenerative Medicine...binding to the template strand (strand used by RNA polymerase II for transcription) are more effective for ...editing! Pooran Dewari is a postdoc in Steve Pollard’s lab at the MRC Centre for Regenerative Medicine...immunity and mammalian genome editing via RNA polymerase-mediated dislodging of Cas9 from double strand...

...produce molecular biological tools like Taq polymerase, T7 polymerase, EcoRI, and various fluorescent proteins...construction of new plasmids. Dr. Duedu will also use polymerases produced using plasmids from Addgene to test ...

... uses do you foresee for this tool? Howarth: Polyproteins are useful for mechanical study of proteins ...proteins by atomic force microscopy (AFM). Maybe polyantibodies could help in the capture of other rare cell ...References: SpyLigase peptide-peptide ligation polymerizes affibodies to enhance magnetic cancer cell capture...

...microelectronic fibers made from thermoplastic polymers that can work with all the bells and whistles....called thermal drawing, essentially where blocks of polymers are heated up and pulled to a desired thickness... small molecules.   Fun fact: A 1 cm block of polymer can generate many meters of fibers!     ...

...biochemistry, microbiology, epidemiology, and bioanthropology. Studying human health science made me happy...greater science literacy and education have more polarized beliefs on controversial science topics. Proceedings..., L. L., Braman, D., & Mandel, G. (2012). The polarizing impact of science literacy and numeracy on perceived...

... the reverse transcriptase, protease, and Bst polymerase constructs from their assay to Addgene.  Drew...expressing MMLV reverse transcriptase and Taq polymerase that can be used in a one-step RT-qPCR reaction...Nguyen AW, Park J, Wang N, Amengor D, Lavinder JJ, Ippolito GC, Maynard JA, Finkelstein IJ, McLellan JS (2020...

.... The topic of unionization continues to be a polarizing one. High-profile universities remain outspoken... panelists including: Kate Stoll, PhD - Senior Policy Advisor MIT Washington Office Ben Corb - Director... in the intersection between science and public policy. Follow David on Twitter @driglar.   References...

...advantage of the program. Start the program by polling the audience with a few questions. Who is out there...in response. I am always ready with some written poll questions to get things started. Give a couple of...want to take over? It is the moderator's job to politely but firmly get them to stop talking and redirect...