Sökning: "internal standard"

Visar resultat 1 - 5 av 246 avhandlingar innehållade orden internal standard.

  1. 1. Internal Dosimetry Development and Evaluation of Methods and Models

    Författare :Lena M Jönsson; Lund Medicinsk strålningsfysik; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; tomografi; Klinisk fysiologi; medical instrumentation; tomography; radiology; Clinical physics; crypt cells; intestine; radionuclide; scintillation camera; sestamibi; activity quantification; conjugate view method; Monte Carlo simulation; internal dosimetry; Nuclear medicine; radiobiology; Nukleärmedicin; radiobiologi; medicinsk instrumentering; radiologi;

    Sammanfattning : Radionuclide therapy requires patient-specific planning of the absorbed dose to target volumes, in most cases tumours, in order to achieve an expected biological effect, taking into account that the absorbed doses to normal organs and tissues should be kept as low as reasonably achievable. Therefore, the calculation of absorbed doses has to be as accurate as possible. LÄS MER

  3. 2. Quantitative Surface Enhanced Raman Spectroscopy

    Författare :Anders Lorén; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; gold colloids; internal standard; surface enhanced Raman spectroscopy; SERS; PLS; PCA; SAM; quantitative;

    Sammanfattning : Surface enhanced Raman spectroscopy (SERS) is a very attractive technique for detection of various organic and inorganic molecules due to its sensitivity and selectivity. The surface enhancement is achieved when the molecules of interest are on or in the vicinity of a metal surface, usually gold and silver. LÄS MER

  4. 3. Inductively Coupled Plasma Atomic Emission Spectrometry : Exploring the Limits of Different Sample Preparation Strategies

    Författare :Barbro Kollander; Jean Pettersson; Marit Andersson; Jonas Bergquist; Grethe Wibetoe; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; multi element analysis; trace element; ICP-AES; inductively coupled plasma atomic emission spectromtery; water analysis; liver analysis; non digested samples; medical samples; biological samples; samples from biopsies and autopsies; mice organ; fast analysis; internal standard; preconcentration; matrix elimination; Cu; Zn; Mn; Co; Pb; Cd; Mg; Ca; Fe; Ni; Cr; S; P; K; Al; Analytical chemistry; Analytisk kemi; Analytical Chemistry; Analytisk kemi;

    Sammanfattning : This thesis describes two different sample preparation strategies for inductively coupled plasma atomic emission spectrometry (ICP-AES), and their ability regarding multi element quantification in complex samples. Sensitivity, repeatability, reproducibility and accuracy were investigated. LÄS MER

  5. 4. Exploration of Multivariate Evaluation Techniques in Surface Enhanced Raman Spectroscopy (SERS)

    Författare :Aamer Abbas; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; carotenoids; surface enhanced raman spectroscopy; orthogonal partial least squares; target orthogonal partial least squares; chemical imaging; OPLS; PLS; cytarbine; raman; hyperspectral; idarubicin; T-OPLS; doxorubicin; lymphocytes; multivariate analysis; 4-mercaptobenzonitrile; internal standard;

    Sammanfattning : .... LÄS MER

  7. 5. A study of European, Persian and Arabic loans in standard Sorani

    Författare :Jafar Hasanpoor; Uppsala universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; Languages and linguistics; borrowing; purification; language contact; standard Sorani Kurdish; Mukri dialect; norm conflict; Silemani dialect; modernisation; standardisation; nationalism; Språkvetenskap; Languages and linguistics; Språkvetenskap; Iranska språk; Iranian Languages;

    Sammanfattning : This dissertation examines processes of lexical borrowing in the Sorani standard of the Kurdish language, spoken in Iraq, Iran, and the Kurdish diaspora. Borrowing, a form of language contact, occurs on all levels of language structure. LÄS MER