Sökning: "metal detection"

Visar resultat 1 - 5 av 168 avhandlingar innehållade orden metal detection.

  1. 1. Metal Affinity Peptides in Biotechnological Applications As tools in protein purification, protein stabilisation, metal quantification and metal tolerance of bacteria and plants

    Författare :Malin Mejàre; Tillämpad biokemi; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; cadmium; metal quantification; fusion tag; metal affinity tag; phage display; peptide library; metal tolerance; metal resistance; metal accumulation; bioremediation; transgenic plant; tobacco; potato; protein purification; immobilised metal affinity chromatography; metal affinity precipitation; metal detection; protein stabilisation; Bioteknik; Biotechnology; Biokemi; Metabolism; Biochemistry; metal ion;

    Sammanfattning : Metal affinity tags have been fused to proteins and demonstrated to function as tools in protein purification, protein stabilisation, quantitative metal analysis and metal tolerance of bacteria and plants. In biotechnological applications proteins frequently have to function in nonnatural environments with harsh conditions which impose requirements for high stability on the proteins. LÄS MER

  3. 2. Silicon nanowire based devices for More than Moore Applications

    Författare :Ganesh Jayakumar; Per-Erik Hellström; Mikael Östling; Luca Selmi; KTH; []
    Nyckelord :silicon nanowire; biosensor; CMOS; sequential integration; lab-on-chip; LOC; high-K; high-K integration on SiNW biosensor; ALD; fluid gate; back gate; SiNW; SiNW pixel matrix; FEOL; pattern transfer lithography; sidewall transfer lithography; STL; multi-target bio detection; BEOL; nanonets; silicon nanonets; SiNN-FET; SiNW-FET; CMOS integration of nanowires; CMOS integration of nanonets; monolithic 3D integration of nanowires; above-IC integration of nanowires; DNA detection using SiNW; SiNW biosensor; dry environment DNA detection; DNA hybridization detection using SiNW; SiNW functionalization; SiNW silanization; SiNW grafting; FEOL integration of SiNW; BEOL integration of SiNW; sequential multiplexed biodetection; biodetection efficiency of SiNW; front end of line integration of SiNW; back end of line integration of SiNW; SiNW dry environment functionalization; APTES cross-linker; accessing SiNW test site; fluorescence microscopy of SiNW; geometry of SiNW; SiNW biosensor variability; top-down fabrication of SiNW; bottom-up fabrication of SiNW; VLS method; ams foundry CMOS process; adding functionality in BEOL process; sensor integration in BEOL process; hafnium oxide; HfO2; aluminium oxide; Al2O3; TiN backgate; Nickel source drain; ISFET; ion sensitive field effect transistor; Overcoming Nernst limit of detection using SiNW; SiNW sub-threshold region operation; ASIC; SOC; SiGe selective epitaxy; epitaxial growth of SiNW; epitaxial growth of nanowires; epitaxial growth of nanonets; nickel silicide contacts; salicide process; high yield SiNW fabrication; high volume SiNW fabrication; silicon ribbon; SiRi pixel; SiRi biosensor; SiRi DNA detection; monolithic 3D integration of nanonets; above-IC integration of nanonets; impact of back gate voltage on silicon nanowire; impact of back gate voltage on SiNW; FDSOI; fully depleted silicon on insulator technology; metal backgate; wafer scale integration of SiNW; wafer scale integration of nanonets; impact of backgate voltage on CMOS inverter circuit; frequency divider; D flip-flop; Informations- och kommunikationsteknik; Information and Communication Technology;

    Sammanfattning : Silicon nanowires (SiNW) are in the spotlight for a few years in the research community as a good candidate for biosensing applications. This is attributed to their small dimensions in nanometer scale that offers high sensitivity, label-free detection and at the same time utilizing small amount of sample. LÄS MER

  4. 3. Signal Processing Techniques for Detection of Buried Landmines using Ground Penetrating Radar

    Författare :Håkan Brunzell; Chalmers tekniska högskola; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; landmines; detection; feature extraction; impulse radar; ground penetrating radar; classification;

    Sammanfattning : The present thesis deals with the problem of detecting and classifying buried objects. The application in mind when addressing this problem is the detection of buried landmines. According to the International Committee of the Red Cross, about 100 million landmines are buried in 62 countries around the world. LÄS MER

  5. 4. Protein-based capacitive biosensors for the detection of heavy-metal ions

    Författare :Alessia Mortari; Centrum för analys och syntes; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; heavy metal ions; protein; electrode; Biosensor; capacitance;

    Sammanfattning : Some metal ions, such as copper and zinc, are essential nutrients and catalysts in biochemical reactions. Other metal ions, e.g. cadmium and mercury, are highly toxic elements. LÄS MER

  7. 5. Development of electrochemical sensor and biosensor platforms : detection of therapeutic drugs and heavy metal ions

    Författare :Sereilakhena Phal; Solomon Tesfalidet; Britta Lindholm-Sethson; William Siljebo; Pankaj Vadgama; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Sensors; electrode surface modification; electrochemical immitance spectroscopy; square wave anodic stripping voltammetry; singular value decomposition; therapeutic drugs; heavy metals;

    Sammanfattning : Electrochemical sensors and biosensors combine the sensitivity of electroanalytical methods with the selectivity of a sensor or biosensor surface. The chemical or biochemical component (receptor) in the sensor recognizes an analyte and produces an electrical signal which is proportional to the analyte concentration. LÄS MER