نتایج جستجو برای: ftir atr
تعداد نتایج: 23635 فیلتر نتایج به سال:
Acrylonitrile–Butadiene–Styrene (ABS) polymers have a complex microstructure which is formed during the grafting reaction of polybutadiene seed latex. During reaction, some styrene-acrylonitrile (SAN) chains are grafted onto (PB) backbone chains, and this critical to achieve effective dispersion compatibility both phases. Therefore, accurate characterization properties helps understanding polym...
Meat, as an important source of protein, is one of the main parts of many people’s diet. Due toeconomic interests and thereupon adulteration, there are special concerns on its accurate labeling.In this study Fourier transform infrared (ATR-FTIR) spectroscopy combined with chemometrictechniques (principal component analysis (PCA), artificial neural networks (ANNs), and partial<...
Roots of forest trees are associated with various ectomycorrhizal (ECM) fungal species that are involved in nutrient exchange between host plant and the soil compartment. The identification of ECM fungi in small environmental samples is difficult. The present study tested the feasibility of attenuated total reflection Fourier-transform infrared (ATR-FTIR) spectroscopy followed by hierarchical c...
We present a comparative study aiming to determine the most efficient multivariate model screening for main drugs of abuse based on their ATR-FTIR spectra. A preliminary statistical analysis selected spectra data extracted from public SWGDRUG IR Library was first performed. The results corroborated those an exploratory that several dimensionality reduction methods, i.e., Principal Component Ana...
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