Sensing capabilities

Material of construction of sensor not suited for operating environment. Loss of sensing capability, leading to unwanted consequences such as spurious trips, overt (announced) and covert (unannounced) faults. 

In order to discuss the preferential screw sense capability qualitatively in a series of 44 and 45 helical copolymers with chiral-achiral side chains, we compared the UV and CD spectral characteristics of 44 and 45 as a function of the chiral molar composition in detail. 

In most biochemical sensors, detection limit is a very important parameter to evaluate sensing capability of a device, which denotes the smallest detectable amount or concentration of analytes. For microring sensors, detection limit is proportional to the variation of waveguide parameters affected by occurrence of analytes the index change of the surrounding medium, 8nc, in homogeneous... 

Figure 9.4. Stem-Volmer plot of a fiberoptic oxygen sensor at different temperatures. , 43°C a, 37°C , 31°C , 25°C. The sensing capabilities of the fiberoptic sensor are limited by diffusion processes as suggested by the decreasing value of the lifetimes with increasing temperature. (From Ref. 21 with permission.)...

Luminescence, in particular photoluminescence, constitutes a well-established discipline in analytical science where the cited hallmarks include remarkable sensitivity, wide dynamic range and low detection limits (-10under suitable conditions). These collective merits are often umivaled by other optical techniques, and hence its wide adoption in the life sciences for determining trace constituents in biological and environmental samples. Moreover, its fast response, high spatial resolution and remote sensing capabilities make it attractive for real-time analytical problems such as process manufacturing (process analysis or PAT) and field applications. ... 

The characteristic taste or smell of a food is used to signal an acceptable or non-accept-able food source. The evolution of the senses capable of detecting NP has long predated humans. For example, it is clear that many insect species select their food source, or the food source for their offspring (i.e., which plant is chosen to lay eggs on), partly on the basis of the NP composition (see Chapter 9). 

In theory, spatially resolved measurements of concentrations of atmospheric trace substances could be made by remote sensing from either surface-based or satellite platforms, but remote sensing capabilities have not yet been developed for many species. Furthermore, both surface- and satellite-based remote sensing methods have distinct limitations in resolving... 

Moreover, the higher the concentration of the imprinted sites in the MIP film the lower, advantageously, is LOD. For instance, LOD for the MIP films fabricated from acrylic polymers is, unfortunately, very high. This is because their sensing capabilities are hindered due to a relatively low concentration of recognition sites. Therefore, other different routes of MIP fabrication, using other than acrylic monomers, have been developed to increase this concentration. 

Raman spectroscopy has its main strength in the combination of a fairly high chemical selectivity and a true remote sensing capability. In comparison, NIR has been used extensively in the manufacturing industry due to its ruggedness and simplicity with respect to interfacing of probes to process vessels. However, due to fairly poor spectral selectivity it has to be paired with multivariate data evaluation and is thus sometimes considered as a black box technique. Mid-IR, on the other hand, offers a high selectivity and is also well established... 

Fluorescein-labeled high molecular weight dextrans were used as anionic polymers in the ELbL method to coat the gold nanoparticles and provide them with pH-sensing capabilities. Fluorescein (pKa = 6.4) has been used in... 

PARAMETER PHOTO-PLATE CAPABILITY ELECTRO-OPTICAL SENSING CAPABILITY ... 

Malinsky MD, Kelly KL, Schatz GC et al (2001) Chain length dependence and sensing capabilities of the localized surface plasmon resonance of silver nanoparticles chemically modified with alkanethiol self-assembled monolayers. J Am Chem Soc 123 1471-1482... 

The high mass sensitivity calculated in the previous example justifies the term microbalance in describing the sensing capabilities of the quartz resonator. Equation 3.9 can be used to calculate fr uency shifts for surface accumulations that behave as ideal mass layers. A real film behaves as an ideal mass layer if it is sufficiently thin and rigid so that it moves synchronously with the oscillating device surface. On a TSM resonator, this condition is realized if the acoustic phase shift across the film is small, i.e., ir. The phase shift is... 

The peculiar anion-sensing ability of dendrimers 15 and 16 has been related to a synergic effect between the electrostatic interaction of the anion with the ferricinium cation and the H-bonding of the anion with the close NH group. Dendrimer 16 was also deposited on electrodes, showing anion-sensing capability similar to that observed in homogeneous solution. 

Covalently attachment GOD enzyme to amino modified magnetic nanoparticles was used to prepare bioactive magnetic nanoparticles with glucose sensing capabilities [200],Figure 22 shows the preparation of amino-modified magnetic nanoparticles and covalent attachment of glucose oxidase to them. 

Second Screening to Improve the Sensing Capability of the Peptides... 

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