NDLTD logo NDLTD Union Catalog and Global ETD Search

Global ETD Search

Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.

Results

Showing 1 to 20 of 28 for “"Pls-da"”.

  1. Deriving statistical inference from the application of artificial neural networks to clinical metabolomics data

    Mendez, Kevin M.Edith Cowan University, Research Online, Perth, Western Australia2020

    Metabolomics data are complex with a high degree of multicollinearity. As such, multivariate linear projection methods, such as partial least squares discriminant analysis (PLS-DA) have become standard. Non-linear projections methods, typified by Artificial Neural Networks (ANNs) may be more …

    edithcowan Repository record

  2. Early prediction of pregnancy disorders with machine learning guided Raman spectroscopy, and metabolomics.

    Synan, Lilly CIowa State University2022

    … partial least squares-discriminant analysis (PLS-DA) was also applied to GDM data to explore potential for predictive modeling. AUC-Roc analysis successfully classified the PTL group with an AUC = 0.831 and a 95% confidence interval of 0.515-1, while GDM had an AUC = 0.99 and a 95% confidence …

    iastate Repository record

  3. Hyperspectral Imaging for Evaluation of Herring Stocks caught around Iceland

    Moaaz Mudassir 1997-2025

    … Partial Least Squares Discriminant Analysis (PLS-DA) was utilized for the stock classification. The water content of the fish was predicted through the Partial Least Squares Regression (PLS-R) of the spectral data, compared to traditional analytical results. According to the results, the …

    u-iceland Repository record

  4. Discovery of multi-omics biomarkers for toxicity using meta-analysis

    김, 효실2015

    … 1. Cell lines 11 2. Reagents 11 B. METHODS 11 1. Data preparation & class assignment 11 1-1. Data collection and in-depth curation 11 1-2. Preprocessing 14 1-3. Database construction 14 1-4. Determinant of three toxicity levels for each organ using a threshold 16 1-5. Investment of the …

    ajou Repository record

  5. Characterizing the impact of package type on different beer styles using advanced analytical tools

    Fromuth, Kathryn Lenore, author, Prenni, Jessica, advisor, Sedin, Dana, committee member, Van Buiten, Charlene, committee memberColorado State University. Libraries2022

    … and increased mobile canning options. Foundational beer stability research has focused on light lager styles packaged in bottles. Limited research has been conducted studying flavor stability in styles relevant to the American craft brewing industry, nor any comparisons of how package type …

    colostate Repository record

  6. Fast Identification of Components Commonly Used in Homemade Explosives by Spectroscopic and Chemometric Methods

    Vandenbos, Deidre Day, Msimanga, Huggins, Dockery, Christopher2018

    … for quick identification of the fuels and oxidant sources used in manufacturing HMEs, include Fourier Transform Infrared (FT-IR) and Raman spectroscopy. Visual confirmation alone, however, is not strong enough to discriminate chemicals with nearly identical spectra, which occurs when analyzing …

    kennesaw Repository record

  7. Metabolomic profiles of Oryza sativa and influence of genetic diversity

    Heuberger, Adam Lawrence, author, Brick, Mark, advisor, Leach, Jan, committee member, Ryan, Elizabeth, committee member, Byrne, Patrick, committee member, Thompson, Henry, committee memberColorado State University. Libraries2011

    … Rice (Oryza sativa L.) is an ideal candidate to study traits related to health due to its importance as both a global staple food and a model system for cereal crops. Evaluating metabolite profiles can be a high-throughput method to identify variation in health properties of dietary …

    colostate Repository record

  8. Quantitative analysis and metabonomic study of phytoestrogens in Africans

    Ogegbo, Olumuyiwa LateefahLondon Metropolitan University2009

    … four isoflavones (formoinonetin, biochanin A, daidzein, genistein), one coumestan (coumestrol), and two lignans (secoisolariciresinol and matairesinol). The methods were applied to quantitate the phytoestrogen content in six African staple foods: beans, cassava, plantain, pumpkin leaves 'ugu', …

    london-metro Repository record

  9. Compositional analysis and classification of Miscanthus using Fourier transform near infrared spectroscopy

    Williams, DanielUniversity of Illinois at Urbana-Champaign2014

    … spectroscopy, partial least squares regression (PLSR), and linear discriminant analyses (LDA) to provide quantitative and qualitative measures of Miscanthus composition were developed. Results showed large variations (mean ± S.D.) in glucan (40.4 ± 2.70%), xylan (20.7 ± 1.50%), arabinan (1.90 ± …

    uiuc Repository record

  10. Using imaging secondary ion mass spectrometry to determine mammalian plasma membrane component distribution and cell differentiation state

    Frisz, JessicaUniversity of Illinois at Urbana-Champaign2012

    … samples. Using a high resolution imaging secondary ion mass spectrometry instrument (NanoSIMS 50, Cameca), we have chemically mapped the distributions of labeled sphingolipids and cholesterol within the plasma membrane of murine fibroblasts with sub-100 nm resolution. This required the …

    uiuc Repository record

  11. Building bioinformatics solutions for biomarker identification

    Oakley, DarrenCranfield University2008

    … The aim of the work was to develop a flexible data storage and analysis platform that would be capable of housing and working with data from a variety of modern biomarker analysis techniques. In order to achieve this aim, several tools were developed: a flexible database schema, taking ideas …

    cranfield Repository record

  12. Applying secondary ion mass spectrometry to cellular and model membranes to image component distribution and quantify composition

    Wilson, RobertUniversity of Illinois at Urbana-Champaign2013

    Abstract Secondary ion mass spectrometry (SIMS) returns chemically specific data on membrane component distribution and composition. Of particular interest is a membrane protein’s lipid environment, which may play a role in the protein’s function. Herein, this thesis describes the synthesis of …

    uiuc Repository record

  13. Development of single-cell Raman spectroscopy for noninvasively screening the differentiation of living stem and progenitor cells in biomaterial platforms for 2D and 3D cell culture

    Pastrana-Otero, IsamarUniversity of Illinois at Urbana-Champaign2022

    … biomaterial that is bio-compatible and bio-degradable to facilitate the delivery of stem cells into damaged tissues with improved retention. Hydrogels are one of the most studied biomaterials for this purpose. They can mimic the natural extracellular matrix (ECM) to provide a protective barrier …

    uiuc Repository record

  14. The Development and Evaluation of Non-invasive Methods to Characterise the Disease States of Patients Utilising Selective Discrimination, Gas Chromatography-Mass Spectrometry and Chemometrics

    Turner, Diane CoralThe Open University2018

    … was obtained by quantifying an internal standard, present in every sample and blank throughout the studies. Based on these findings, large numbers of clinical samples were analysed with confidence. Statistically significant mathematical models were developed in partnership with Cranfield …

    the-open-u Repository record

  15. La Metabolomica: una nuova era in Cardiologia. Le nostre esperienze originali nei campi dell' insufficienza cardiaca, della cardiopatia ischemica e dell' ipertensione polmonare

    DEIDDA, MARTINOUniversità degli Studi di Cagliari2015

    … failure (HF) is characterized by a series of maladaptive metabolic changes, which have recently been proposed as a new therapeutic target. A proton nuclear magnetic resonance (1H NMR)-based MBS analysis was performed on blood samples of 3 groups of individuals: nine control individuals (Group A); …

    cagliari Repository record

  16. Late Complications in the Descending Aorta Following Valve-Sparing Root Replacement (VSRR) in Marfan Syndrome (MFS) Patients: A Computational Analysis

    Tajeddinisarvestani, Farshad2025

    … of aortic dissection in the descending aorta (DA) following root surgery. Geometric factors related to either native anatomy or the root surgery may alter hemodynamic factors in the DA, potentially predisposing it to dissection. This study uses computational fluid dynamics (CFD) simulations …

    toronto-retro Repository record

  17. Aplicação da espectroscopia na região do infravermelho próximo para análise de materiais vegetais

    Oliveira, Ulisses Fernando deUniversidade Federal de Viçosa2020

    … como objetivo realizar a quantificação antecipada do teor de óleo usando espectros de NIR obtidos de frutos verdes de macaúba. A espectroscopia NIR e a regressão por quadrados mínimos parciais (PLS) provou ser útil na quantificação precoce do teor de óleo prevendo seu teor com vinte e cinco dias …

    brazil-ufv Repository record

  18. Multivariate analysis of the immune response upon recent acquisition of Mycobacterium tuberculosis infection

    Lloyd, TessaDepartment of Statistical Sciences2021

    … due to an infectious agent worldwide. Based on data from an adolescent cohort study carried out from May 2005 to February 2009, we studied and compared the immune responses of individuals from four cohorts that were defined based on their longitudinal QFT results: the recent QFT converters, the …

    cape-town Repository record

  19. Evaluating the Performance of the Resampled nSight-2 Sensor's Spectral Configuration in Discriminating Wetland Plant Species Using Advanced Classifiers and Spectroscopy.

    Gasela, MchasisiDepartment of Electrical Engineering2022

    … and Partial Least Squares-Discriminant Analysis (PLS-DA) that had overall accuracies of 84.09% and 83.63% respectively. In summary, the study demonstrated that the spectral configuration of nSight-2 hyperspectral sensor can discriminate among the wetland plant species with comparable accuracy to …

    cape-town Repository record

  20. IMPORTANCE OF SUPPLYING DAIRY COWS WITH ESSENTIAL FATTY ACIDS (EFA) AND CONJUGATED LINOLEIC ACIDS (CLA) DURING THE TRANSITION PERIOD ON METABOLISM AND HEALTH

    VESHKINI, ARASHUniversità degli Studi di Milano2022

    … the energy provided by voluntary feed intake in dairy cows. This situation along with a common state of systemic inflammation during early lactation makes dairy cow vulnerable to further metabolic and infectious diseases which impact their profitability. A periparturient supplementation with …

    milano Repository record

Page 1 of 2