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pirouettetm multivariate data analysis for windows  (Infometrix Inc)

 
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    Infometrix Inc pirouettetm multivariate data analysis for windows
    Pirouettetm Multivariate Data Analysis For Windows, supplied by Infometrix Inc, used in various techniques. Bioz Stars score: 90/100, based on 1 PubMed citations. ZERO BIAS - scores, article reviews, protocol conditions and more
    https://www.bioz.com/product/multivariate+data+analysis+program+pirouette/pirouette+multivariate+data+analysis+for+windows+95+98+and+nt+version+2+6/us07106437-199-17-20
    Average 90 stars, based on 1 article reviews
    pirouettetm multivariate data analysis for windows - by Bioz Stars, 2026-11
    90/100 stars

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    Article Title: Characterization of jewellery products by laser-induced breakdown spectroscopy
    Article Snippet: The suitability of laser-induced breakdown spectroscopy (LIBS) for the characterization of jewellery products is demonstrated by the development of a method based on the use of an Nd-YAG laser (operating at 532 nm) which induces ablation of the material and the production of a plasma whose emission reaches 1/8 m spectrograph (connected to a coupled charge detector (CCD)) through an optic fiber.. The treatment of the instrumental signal provides enough analytical information, both for identifying and quantifying the major metals present in this type of material.. The method proposed has been developed both by multivariate optimization and calibration procedures with application of the appropriate quality criteria.

    Article Title: Comparative evaluation of bioactivity of crystalline trypsin for drying by Fourier-transformed infrared spectroscopy.
    Article Snippet: The purpose of this study was to evaluate the enzymatic stability of colloidal trypsin powder during heating in a solid-state by using Fourier transform infrared (FT-IR) spectra with chemoinformatics and generalized two-dimensional (2D) correlation spectroscopy.. Colloidal crystalline trypsin powders were heated using differential scanning calorimetry.. The enzymatic activity of trypsin was assayed by the kinetic degradation method.

    Article Title: Flow injection screening and semiquantitative determination of polycyclic aromatic hydrocarbons in water by laser induced spectrofluorimetry — chemometrics
    Article Snippet: A continuous method is proposed here for the screening and subsequent semiquantitative determination, if required, of polycyclic aromatic hydrocarbons (PAHs) in water.. The experimental arrangement is based on the use of a flow injection (FI) manifold that enables preconcentration of the analytes on a C18 minicolumn before their automatic introduction into a flow-cell for detection.. An Nd:YAG laser at 355 nm is used as excitation source and fluorescence emission is detected by a charge coupled device.

    Article Title: Discrimination and Classification of Olive Tree Varieties and Cultivation Zones by Biophenol Contents
    Article Snippet: The peak areas from a high-performance liquid chromatography-diode array (HPLC-DAD) analysis of biophenols extracted from olive leaves have been used as chemotaxonomic markers to construct chemometric models in order to discriminate and classify (1) 13 varieties of Olea europaea olive trees, namely, Alameño, Arbequina, Azulillo, Chorna, Hojiblanca, Lechı́n, Manzanillo, Negrillo, Nevadillo, Ocal, Pierra, Sevillano, and Tempranillo, from the same cultivation zone and (2) Arbequina samples from six different geoghaphical origins, namely, Córdoba, Mallorca (north and south), Ciudad Real, Lleida, and Navarra.. Models based on principal component analysis (PCA) and hierarchical cluster analysis (HCA) were used for discrimination between samples as a function of the tree varieties and cultivation zone, whereas K nearest neighbors (KNN) and soft independent modeling of class analogy (SIMCA) models were generated to classify the samples used to validate the models into one of the groups previously established by PCA and HCA.. KNN classified correctly 93 and 92% of the samples into the variety and cultivation zone, respectively; meanwhile, the SIMCA models predicted 85 and 92%, respectively.

    Article Title: Identifying relevant molecular descriptors related to carcinogenic activity of polycyclic aromatic hydrocarbons (PAHs) using pattern recognition methods.
    Article Snippet: Polycyclic Aromatic Hydrocarbons (PAHs) constitute an important family of molecules capable of inducing chemical carcinogenesis.. In this work we report structure-activity relationship (SAR) studies for 81 PAHs using the pattern-recognition methods Principal Component Analysis (PCA), Hierarchical Clustering Analysis (HCA) and Neural Networks (NN).. The used molecular descriptors were obtained from the semiempirical Parametric Method 3 (PM3) calculations.

    Article Title: Use of chemometrics and mid infrared spectroscopy for the selection of extraction alternatives to reference analytical methods for total fat isolation
    Article Snippet: ( g a a M t A k g a ©

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    Article Title: On-line measurement and control of polymer product properties by Raman spectroscopy
    Article Snippet: .. PCA is a well-known analytical method, and is described, for example, in PirouetteTM Multivariate Data Analysis for Windows software manual, Infometrix, Inc, Woodinville, Wash. (1985–2000), PLS_ToolboxTM software manual, Eigenvector Research, Inc., Manson, Wash. (1998), and references cited therein. ..



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