Showing 2,041 - 2,060 results of 4,095 for search '"spectroscopy"', query time: 0.08s Refine Results
  1. 2041

    Identification of Potential Biomarkers and Metabolic Changes in the Serum of Breast Lump Patients Among Kelantanese Based on 1H NMR Metabolomics by Ahmad Zulkefly, Wan Norlina Wan Azman, Julia Omar, Nurul Syakima Ab Mutalib, Desy Fitrya Syamsumir, M Maulidiani, Faridah Abas, Maya Mazuwin Yahya, Muhamad Syahmi Yamin, Wan Faiziah Wan Abdul Rahman, Tengku Ahmad Damitri Al-Astani Tengku Din

    Published 2023-12-01
    “…Serum samples from healthy controls, benign breast lump patients, and malignant breast lump patients were analyzed using proton nuclear magnetic resonance spectroscopy (1H NMR). A multivariate data analysis approach was employed, with the OPLS-DA and clustered heat map techniques effectively differentiating between the three groups. …”
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  2. 2042

    Formation of alumina-aluminide coatings on ferritic-martensitic T91 steel by Choudhary R.K., Kain V., Hubli R.C.

    Published 2014-01-01
    “…Energy dispersive X-ray spectroscopy measurement confirmed 50 wt- % O in the oxidized coating. …”
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  3. 2043

    Choline Phospholipid Metabolites of Human Vascular Endothelial Cells Altered by Cyclooxygenase Inhibition, Growth Factor Depletion, and Paracrine Factors Secreted by Cancer Cells by Noriko Mori, Kshama Natarajan, V. P. Chacko, Dmitri Artemov, Zaver M. Bhujwalla

    Published 2003-04-01
    “…Since endothelial cells form a key component of tumor vasculature, in this study, we used MR spectroscopy to characterize the phenotype of choline phospholipid metabolites in human umbilical vein endothelial cells (HUVECs). …”
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  4. 2044

    Synthesis and Characterization of Novel Organo-Inorganic Hybrid Material of Poly(3,4-Ethylene Dioxythiophene) and Phosphomolybdate Anion by A. Vadivel Murugan, C.-W. Kwon, G. Campet, B. B. Kale

    Published 2003-01-01
    “…Its characterization is investigated by Fourier Transform Infrared Spectroscopy (FT-IR) and Scanning Electron Microscopy (SEM). …”
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  5. 2045

    The Inhibitive Effect of 2-Phenyl-3-nitroso-imidazo [1, 2-a]pyridine on the Corrosion of Steel in 0.5 M HCl Acid Solution by K. Bouhrira, F. Ouahiba, D. Zerouali, B. Hammouti, M. Zertoubi, N. Benchat

    Published 2010-01-01
    “…The effect of 2-phenyl-3-nitroso-imidazo[1,2-a]pyridine (PNIP) on the corrosion inhibition of carbon-steel in 0.5 M HCl was studied by weight loss and different electrochemical techniques such as electrochemical impedance spectroscopy (EIS), potentiodynamic polarization. The obtained results showed that PNIP effectively reduces the corrosion rate of carbon steel. …”
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  6. 2046

    Structural Characterization and Infrared and Electrical Properties of the New Inorganic-Organic Hybrid Compound by A. Oueslati, I. Chaabane, K. Adil, F. Hlel

    Published 2013-01-01
    “…New inorganic-organic hybrid [(C3H7)4N]2Hg2Cl6 compound was obtained and characterised by single-crystal X-ray diffraction, infrared, and impedance spectroscopy. The latter crystallizes in the monoclinic system (space group C 2/c, ) with the following unit cell dimensions: (1) Å, (6) Å, (2) Å, and (2). …”
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  7. 2047

    Investigation of the Synthesis and Properties of Ternary V–Cu–Ce Oxides of Composition VCuCeO by Christothea Attipa, Charis R. Theocharis

    Published 2009-11-01
    “…The structural and surface properties as well as the morphologies of the solids were examined by thermogravimetric analysis, differential scanning calorimetry, X-ray diffraction studies, nitrogen adsorption isotherms, Fourier-transform infrared spectroscopy and scanning electron microscopy. For samples where the vanadium and copper content was low (x ≤ 0.3), the surface area increased and the pore distribution shifted towards the micropore range. …”
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  8. 2048

    Clozapine-carboxylic acid plasticized co-amorphous dispersions: Preparation, characterization and solution stability evaluation by Ali Ahmed Mahmoud Abdelhaleem, Ali Adel Ahmed, Maghrabi Ibrahim Abdullah

    Published 2015-06-01
    “…Solid state characterization was performed using differential scanning calorimetry, X-ray diffraction and infra red spectroscopy. Highly soluble homogeneous co-amorphous dispersions were formed between clozapine and CAPs via hydrogen bonding. …”
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  9. 2049

    Assessment of the Oxidative Desulfurization of Middle Distillate Surrogate Fuels with Spectroscopic Techniques by Eleni Syntyhaki, Anastasia Detsi, Dimitrios Karonis

    Published 2020-01-01
    “…The solid sediments of the oxidation procedure were identified with solid-state FT-IR and 1H NMR spectroscopy.…”
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  10. 2050

    Stability of alkyd emulsion resins and anti-corrosion properties of water-based alkyd emulsion paints by Le Huy Cuong Huynh, Khanh Xuan Phan, Thanh An Truong, Hung Thuy Nguyen

    Published 2024-12-01
    “…The synthesised alkyd resins were evaluated by Fourier trans- form infrared spectroscopy (FTIR) and gel permeation chromatography (GPC). …”
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  11. 2051

    Humidity Sensing Properties of Surface Modified Polyaniline Metal Oxide Composites by S. C. Nagaraju, Aashis S. Roy, J. B. Prasanna Kumar, Koppalkar R. Anilkumar, G. Ramagopal

    Published 2014-01-01
    “…The synthesized composites have been characterized by Fourier transform infrared spectroscopy, X-ray diffraction and scanning electron microscopy. …”
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  12. 2052

    Microwave Assisted Synthesis of Osmium Electrocatalysts for the Oxygen Reduction Reaction in the Absence and Presence of Aqueous Methanol by Edgar Borja-Arco, Omar Jiménez-Sandoval, Jaime Escalante-García, Lorena Magallón-Cacho, P. J. Sebastian

    Published 2011-01-01
    “…The materials obtained were structurally characterized by FT-IR, micro-Raman spectroscopy and X-ray diffraction. Their chemical compositions were obtained by EDS. …”
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  13. 2053

    The Solid Phase Distribution and Bioaccessibility of Arsenic, Chromium, and Nickel in Natural Ironstone Soils in the UK by Joanna Wragg, Mark Cave, Sean Gregory

    Published 2014-01-01
    “…The samples were analysed for their total contents of As, Cr, and Ni by X-ray fluorescence spectroscopy and for the bioaccessible fractions of these elements using a physiologically based extraction test. …”
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  14. 2054

    Effect of body orientation and joint movement on local bioimpedance measurements by Abie Sisay Mebre, de Román Alejandro Ortega, Hou Jie

    Published 2024-10-01
    “…The purpose of this pilot study was to determine if body orientation, skin treatment, joint angle, and shoulder arch movements affect localized bioimpedance spectroscopy (BIS) measurement. Nowadays, there are various wearable and portable impedance measurement tools in different shapes and sizes. …”
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  15. 2055

    INFLUENCE OF PURIFICATION PROCESS ON THE CHARACTERISTICS OF ROMANIAN CALCIUM BENTONITE by ANA-MARIA GEORGESCU, FRANÇOISE NARDOU, DENISA NISTOR ILEANA

    Published 2016-03-01
    “…The crude and purified calcium bentonites were characterized by textural analysis, scanning electron microscopy (SEM) coupled with energy-dispersive X-ray spectroscopy (EDX). The physical, structural and morphological characteristics are affected by the purification process. …”
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  16. 2056

    Nanobubbles Adsorption and Its Role in Enhancing Fine Argentite Flotation by Shunde Yan, Xihui Fang, Guanfei Zhao, Tingsheng Qiu, Kaiwei Ding

    Published 2024-12-01
    “…This study investigated nanobubble (NB) adsorption on the argentite surface and its role in enhancing fine argentite flotation using various analytical techniques, including contact angle measurements, adsorption capacity analysis, infrared spectroscopy, zeta potential measurements, turbidity tests, microscopic imaging, scanning electron microscopy, and flotation experiments. …”
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  17. 2057

    Preparation of Graphene Nanoplatelets by Thermal Shock Combined with Ball Milling Methods for Fabricating Flame-Retardant Polymers by Vinh Q. Tran, Hai T. Doan, Nhiem T. Nguyen, Cuong V. Do

    Published 2019-01-01
    “…The other characterizations such as Fourier transform infrared spectroscopy and X-ray powder diffraction methods of graphene nanoplatelets showed unchanged structure. …”
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  18. 2058

    Design and statistical optimization of an effervescent floating drug delivery system of theophylline using response surface methodology by Srikanth Meka Venkata, Ee Li Chew, Sheshala Ravi

    Published 2016-03-01
    “…No interaction was found between theophylline and PEO by Fourier Transformation Infrared spectroscopy (FTIR) and Differential Scanning Calorimetry (DSC) studies.…”
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  19. 2059

    Ultrafast studies of electron injection in Ru dye sensitized SnO2 nanocrystalline thin film by Christophe Bauer, Gerrit Boschloo, Emad Mukhtar, Anders Hagfeldt

    Published 2002-01-01
    “…By using two-color femtosecond transient absorption spectroscopy, we have measured the electron injection rate for bis(tetrabutylammonium) cis di(thiocyanato) bis (2,2’-bypiridine-4,4’ carboxylic acid)Ruthenium (II) dye (called N719) into SnO2 nanocrystalline thin films. …”
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  20. 2060

    Electrical and Dielectric Characterization of Bi12GeO20 Prepared by Modified Pechini Method by C. G. P. Moraes, F. A. A. Jesus, Z. S. Macedo

    Published 2014-01-01
    “…The electric and dielectric properties of these ceramics were determined by impedance spectroscopy (IS). From the results, it was concluded that the dielectric permittivity measured at high frequencies is insensitive to the grain size, while the AC dark conductivity presents a noticeable dependency on this feature. …”
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