Essays about: "Biosensors"
Showing result 11 - 15 of 45 essays containing the word Biosensors.
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11. Biosensor based on immobilized amine transaminase for detection of amphetamine
University essay from KTH/Skolan för kemi, bioteknologi och hälsa (CBH)Abstract : Amine transaminases (ATA) catalyse the transfer of an amino group from one molecule and replaces a ketone or aldehyde with the amino group, the amino group on the amino-donor is replaced with a ketone or aldehyde. This enzyme, ATA from Chromobacterium violaceum, has previously been used to catalyse the reaction involving amphetamine, therefore, it might be possible to use this enzyme to convert amphetamine and the product absorbs in the UV spectrum and can therefore be measured spectrophotometrically. READ MORE
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12. A PORTABLE SYSTEM FOR PLASMONIC NANOCHIP FLUORESCENCE MEASUREMENTS
University essay from Umeå universitet/Institutionen för fysikAbstract : In demand for early and accurate diagnosis, plasmonic-based biosensors have emerged as an attractive solution that can achieve rapid, real-time, and label-free detection of various biomarkers. In this project, a portable system for fluorescence measurements based on plasmonic nanochip was demonstrated. READ MORE
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13. Evaluating Sugar Signaling during Xylose Oxidation in Saccharomyces cerevisiae
University essay from Lunds universitet/Teknisk mikrobiologiAbstract : The sugar signaling state of cells oxidizing xylose was investigated through the chromosomal integration of the Weimberg pathway into previously established biosensor strains capable of monitoring the Snf3p/Rgt2p, SNF1/Mig1p, and cAMP/PKA pathways through the expression of HXT1, SUC2, and TPS1, respectively. Ultimately, two new strains were successfully developed containing both the Weimberg pathway and a biosensor for either HXT1 (TMB CB 112) or TPS1 (TMB CB 117). READ MORE
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14. System Model of an Ultra-LowPower Fluorescence Detection Micro-Device
University essay from Linköpings universitet/Elektroniska Kretsar och SystemAbstract : This thesis aims to explore the power consumption limits of Complementary Metal-Oxide-Semiconductor (CMOS) fluorescent biosensors that meet the demand, a Matlab-based calculator is designed, in which users can input required system parameters (such as LED power and noise) to observe the minimum power consumption of each basic component and the constraints of the transimpedance amplifier: cut-off frequency, signal- to-noise ratio, dynamic range, etc. Thereby to provide a reference range for the next level designs of each component in the detection system. READ MORE
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15. Assessment of the Fluorescent Activities of Different Fluorescent Proteins for Potential Use as Biosensors in Saccharomyces cerevisiae
University essay from Lunds universitet/Teknisk mikrobiologiAbstract : Development of genetically modified microorganisms such as Saccharomyces cerevisiae for use as microbial cell factories to produce fine and bulk chemicals has lately proceeded very rapidly, much thanks to new gene editing methods based on a CRISPR/Cas9 system adapted from bacteria which increases the rate of genetic engineering. However, development of methods which enable fast and simple screening of the best performing strains with specific sought-after characteristics is not advancing at the same pace. READ MORE
