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Reporters signals

Comparative Analysis of Fluorescence Reporter Signals Based on Intensity, Anisotropy, Time-Resolution,... [Pg.1]

Simultaneous application of two emitting reporters allows providing the self-referenced reporter signal based on simple intensity measurements, without application of anisotropy or lifetime sensing that impose stringent requirements on fluorescence reporters. Usually, the two dyes are excited at a single wavelength with the absence or in the presence of interaction between them. [Pg.12]

Demchenko AP (2010) Comparative analysis of fluorescence reporter signals based on intensity, anisotropy, time-resolution and wavelength-ratiometry. In Demchenko AP (ed) Advanced Fluorescence Reporters in Chemistry and Biology I. Springer Ser Fluoresc 8 3-24... [Pg.99]

The use of PIR compounds to study protein interactions is a significant advance over the use of standard homobifunctional crosslinkers. The unique design of the PIR reagent facilitates deconvolution of putative protein interaction complexes through a simplified mass spec analysis. The software can ignore all irrelevant peak data and just focus analysis on the two labeled peptide peaks, which accompany the reporter signal of appropriate mass. This greatly simplifies the bioinformatics of data analysis and provides definitive conformation of protein-protein crosslinks. [Pg.1015]

Exciplexes are the excited-state complexes that can be formed by partners of different origin [33]. Their formation on intermolecular interaction can provide a fluorescence reporting signal [28, 34]. The advantage of their formation in high-concentration matrices is the large Stokes shift that, as we will see below, can prohibit the homo-FRET. [Pg.112]

Second, an internal standard must have adequate purity. Preferably, the contribution of an internal standard to any analyte should be less than 20 % of the corresponding lower limit of quantitation (LLOQ) of the analyte. Otherwise, the significant amount of analyte from the added internal standard can bias the reported signal to noise (S/N) ratio at the LLOQ and cause larger variability at low concentrations. The interference of an internal standard to other cointemal standards in a multianalyte method is rare, but it should be also evaluated. Though there are no reported criteria for this, it should be at least less than 15 % of the concentration of a cointemal standard in a multianalyte method. In addition, an internal standard should not correspond to any in vivo metabolic products of the analyte (e.g., hydrox-ylated metabolite, N-dealkylation metabolite). [Pg.3]

Shortly after the valve to the sump was opened and the valve to the hopper was closed, the No. 4 reactor began experiencing erratic pressure problems. The system pressure troubles continued for about 15 minutes. As the supervisor and operator were troubleshooting the problem the relief valve on the reactor heat transfer chest opened with a loud report, signaling real troubles. The two employees started to head out of the unit. About 20 seconds later a large section of a 9 ft. (2.7 m) in diameter expansion joint burst. The initial explosion and the resulting thrust shifted the massive reactor. [Pg.37]

Each microsphere is spectrally identified, and quantification is based on the intensity of the reporter signal. In comparison to conventional ELISA methods, this multiplex technology allows simultaneous quantification of up to 100 proteins in a small sample volume, and provides higher reproducibility than multiple ELISA methods. We have used fhe xMap technology to design multiplex assays for simultaneous quantification of several A and tau isoforms. Preliminary data show equal, or better, diagnostic performance than with ELISA (Lewczuk et al., submitted). [Pg.271]

Various (e.g., interaction of an extraneous SM with fixed protein displaces an SM-reporter complex, resulting in reporter signal drop)... [Pg.14]

Loo investigated Raman scattering of electrogenerated iodine on a titanium oxide electrode. He reports signals at 181, 190, and 360 (weak overtone) cm" Also the anti-Stokes transition is seen. The signals were not seen at 488- or 514.5-nm excitation, but only for excitations between 530.9 and 647.1 nm. This strongly indicates resonance scattering. However, that of free iodine is at 515 nm, and the band gap of the oxide is 3 eV (415 nm). Thus one must conclude that the interaction of the iodine with the solid shifts the resonance to lower frequencies. [Pg.311]

Now that a set of clear trends had been established, some major conclusions could be drawn from the data gathered by using the % ee purity of the product as the key reporter signal, but also including for example unreacted sulfide, overoxidized sulfone, and unwanted antipode ... [Pg.425]


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See also in sourсe #XX -- [ Pg.3 ]




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