نتایج جستجو برای: net analyte signal
تعداد نتایج: 520623 فیلتر نتایج به سال:
Medical ultrasound (US) is widely used to evaluate and stage vascular diseases, in particular for the preliminary screening program, due advantage of being radiation-free. However, automatic segmentation small tubular structures (e.g., ulnar artery) from cross-sectional US images still challenging. To address this challenge, paper proposes DopUS-Net a vessel re-identification module that levera...
When performing laser-induced plasma spectroscopy for elemental analysis, the analyte signal-to-noise ratio increased from four to over fifty if the plume was reheated by a dye laser pulse tuned to resonant absorption. Time-resolved studies showed that the enhancement was not due to resonance photoionization. Rather, efficient and controlled rekindling of a larger plume volume was the key mecha...
A biosensor is a self-reliant integrated device that proficient in providing specific quantitative or semi-quantitative analytical information. It has been using biological recognition component direct spatial contact with transduction component. an appliance consists of two main parts: bioreceptor and transducer. Bioreceptor recognizes the objective analyte physicochemical detector also employ...
many modern analytical methods deal with the trace-level determination of compounds of interest in highly complex environmental samples by means of chromatographic techniques. the introduction of a “clean” sample into an analytical instrument can make analyses easier and prolongs the equipment life. the use of solid-phase extraction (spe) has grown and is a fertile technique of sample preparati...
Microscale pumps that are simultaneously capable of turning “on” in response to specific analytes in solution and of providing precise control over flow rate will be needed for certain types of smart microand nanoscale devices. Access to these types of pumps, however, has remained limited. Two general approaches for designing microscale pumps have been proposed: 1) those that are turned on and ...
a significant problem in multicarrier communication systems is the necessity to reduce the value of papr (peak-to-average power ratio) of transmitting signal. in this thesis we study the effect of the system parameters such as coding and modulation types on papr and ultimate ber in a mc-cdma system. in this study we consider fading channel as well as the nonlinearity of transmitter’s amplifier ...
A new homogeneous chemiluminescent immunoassay method featuring the use of specific binding members separately labeled with an acridan-based chemiluminescent compound and a peroxidase is reported. Formation of an immunocomplex brings the chemiluminescent compound and the peroxidase into close proximity. Without any separation steps, a chemiluminescent signal is generated upon addition of a trig...
Non-specific binding is an important experimental parameter to control when using SPR systems. Non-specific binding is the binding of analyte to non-target molecules on the sensor surface, as illustrated in Figure 1. The effect of non-specific interactions is a false positive contribution to the signal in a sensorgram. It is important for users to recognize non-specific binding and to implement...
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