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of 14
pro vyhledávání: '"Yusuf Sulub"'
Autor:
Yusuf Sulub, Prashant Kumar
Publikováno v:
Polymer Testing. 69:245-249
A robust quantitative method for the determination of acid end group (AEG) in Polybutylene Terepthalate (PBT) pellets using near-infrared (NIR) diffuse reflectance spectroscopy and chemometrics is presented in this paper. A set of 66 calibration samp
Autor:
Yusuf Sulub, Samir Anapat, Narayana Rao, R. Ganeshan, Arun Kumar, K Sattaiah Naidu, Vikas Kshirsagar, Tukaram Gunale, Abhijeet S. Kate, Bing Zhou
Publikováno v:
Polymer Testing. 86:106446
A spectrophotometric method was developed for the selective estimation of titanium in alkoxide form in the presence of TiO2. Polymers like polybutylene terephthalate have been synthesized by using homogeneous catalyst such as titanium tetra-isopropox
Autor:
Yusuf Sulub, James Louis Derudder
Publikováno v:
Polymer Testing. 32:802-809
This paper presents an application of near-infrared NIR spectroscopy and multivariate calibration for compositional analysis of complex blends of polycarbonate (PC) and three copolymer components (C1, C2, and C3). Each of the copolymers is composed o
Autor:
Yusuf Sulub, Gary W. Small
Publikováno v:
Applied Spectroscopy. 62:1049-1059
Methodology is developed for simulating the radiance profiles acquired from airborne passive multispectral infrared imaging measurements of ground sources of volatile organic compounds (VOCs). The simulation model allows the superposition of pure-com
Publikováno v:
Analytica Chimica Acta. 611:143-150
Near-infrared calibration models were developed for the determination of content uniformity of pharmaceutical tablets containing 29.4% drug load for two dosage strengths (X and Y). Both dosage strengths have a circular geometry and the only differenc
Publikováno v:
Vibrational Spectroscopy. 46:128-134
This paper presents an application of near-infrared (NIR) multivariate calibration for the determination of content uniformity of pharmaceutical tablets. Data used in this study were acquired from 3 NIR instruments obtained from 2 different vendors.
Autor:
Gary W. Small, Yusuf Sulub
Publikováno v:
Applied Spectroscopy. 61:406-413
A spectrum simulation method is described for use in the development and transfer of multivariate calibration models from near-infrared spectra. By use of previously measured molar absorptivities and solvent displacement factors, synthetic calibratio
Publikováno v:
Journal of pharmaceutical and biomedical analysis. 55(3)
A multivariate calibration approach using near-infrared (NIR) spectroscopy for determining blend uniformity end-point of a pharmaceutical solid dosage form containing 29.4% (w/w) drug load with three major excipients (crospovidone, lactose, and micro
Autor:
Gary W. Small, Yusuf Sulub
Publikováno v:
Analytical chemistry. 81(3)
Multivariate calibration models based on synthetic single-beam near-infrared spectra are used to demonstrate the ability to maintain viable calibrations over extended time periods. Glucose is studied over the physiological concentration range of 1-30
Publikováno v:
Applied spectroscopy. 61(4)
Automated pattern recognition methodology is described for the detection of signatures of volatile organic compounds from passive multispectral infrared imaging data collected from an aircraft platform. Data are acquired in an across-track scanning m