Academic literature on the topic 'Attenuated total reflectance infrared spectroscopy (ATR-IR)'

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Journal articles on the topic "Attenuated total reflectance infrared spectroscopy (ATR-IR)"

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Zarnowiec, Paulina, Andrzej Mizera, Magdalena Chrapek, Mariusz Urbaniak, and Wieslaw Kaca. "Chemometric analysis of attenuated total reflectance infrared spectra ofProteus mirabilisstrains with defined structures of LPS." Innate Immunity 22, no. 5 (2016): 325–35. http://dx.doi.org/10.1177/1753425916647470.

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Proteus spp. strains are some of the most important pathogens associated with complicated urinary tract infections and bacteremia affecting patients with immunodeficiency and long-term urinary catheterization. For epidemiological purposes, various molecular typing methods have been developed for this pathogen. However, these methods are labor intensive and time consuming. We evaluated a new method of differentiation between strains. A collection of Proteus spp. strains was analyzed by attenuated total reflectance Fourier transform infrared (ATR FT-IR) spectroscopy in the mid-infrared region. A
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McArdle, Patrick, Karen Gilligan, Desmond Cunningham, and Alan Ryder. "Determination of the Polymorphic Forms of Bicifadine Hydrochloride by Differential Scanning Calorimetry—Thermogravimetric Analysis, X-Ray Powder Diffraction, Attenuated Total Reflectance—Infrared Spectroscopy, and Attenuated Total Reflectance—Near-Infrared Spectroscopy." Applied Spectroscopy 59, no. 11 (2005): 1365–71. http://dx.doi.org/10.1366/000370205774783322.

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The pharmaceutical compound bicifadine hydrochloride, which has been found to crystallize in two polymorphic forms, has been characterized by thermal analysis, X-ray powder diffraction (XRPD), infrared (IR) spectroscopy, and near-infrared (NIR) spectroscopy. A series of 22 sample mixtures of polymorph 1 and polymorph 2 were prepared and calibration models for the quantitation of these binary mixtures have been developed for each of the XRPD, attenuated total reflectance (ATR)-IR, and ATR-NIR analytical techniques. The quantitative results were obtained using a partial least squares (PLS) algor
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Miloudi, Lynda, Franck Bonnier, Kevin Barreau, et al. "ATR-IR coupled to partial least squares regression (PLSR) for monitoring an encapsulated active molecule in complex semi-solid formulations." Analyst 143, no. 10 (2018): 2377–89. http://dx.doi.org/10.1039/c8an00547h.

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Assi, S., A. Guirguis, S. Halsey, S. Fergus, and J. L. Stair. "Analysis of ‘legal high’ substances and common adulterants using handheld spectroscopic techniques." Analytical Methods 7, no. 2 (2015): 736–46. http://dx.doi.org/10.1039/c4ay02169j.

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Three handheld spectrometers, near-infrared (NIR), Raman and attenuated total reflectance Fourier transform-infrared (ATR-FT-IR) spectroscopy, were used for the identification of ‘legal high’ model mixtures and Internet products.
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Pasieczna-Patkowska, Sylwia, and Jarosław Madej. "Comparison of photoacoustic, diffuse reflectance, attenuated total reflectance and transmission infrared spectroscopy for the study of biochars." Polish Journal of Chemical Technology 20, no. 4 (2018): 75–83. http://dx.doi.org/10.2478/pjct-2018-0057.

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Abstract Four infrared spectroscopic techniques - photoacoustic (PAS), diffuse reflectance (DRS), attenuated total reflectance (ATR) and transmission (TS) - were evaluated for the qualitative analysis of the biochar obtained from willow feedstock during pyrolysis. Increase in pyrolysis temperature resulted in more aromatic and carbonaceous structure of biochars. These changes could easily be detected from Fourier transform infrared (FT-IR) spectral differences. The comparison of the spectra obtained by the four FT-IR techniques allowed to conclude that there are differences in the spectra acqu
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Tague, Thomas. "Microanalysis Made Easy: Attenuated Total Reflectance (ATR)." Microscopy Today 7, no. 6 (1999): 16–17. http://dx.doi.org/10.1017/s1551929500064609.

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Reflection microscopy techniques are typically the easiest to employ for routine sample analysis, as they require little or no sample preparation. Included in these methods are reflection- absorption spectroscopy (RAS), which emulates transmission spectroscopy, diffuse reflection infrared spectroscopy (DRIFT), specular or external reflectance, and attenuated total reflectance (ATR). For RAS, DRIFT, and specular reflection, the nature of the resultant spectra is determined by the nature of the sample. These techniques will be discussed in future articles. ATR is primarily a surface technique wh
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Lechowicz, Łukasz, Wioletta Adamus-Białek, and Wiesław Kaca. "Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy and Artificial Neural Networks Applied to DifferentiateEscherichia colipapG+/papG-Strains." Journal of Spectroscopy 2013 (2013): 1–3. http://dx.doi.org/10.1155/2013/538686.

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Fimbriae are an important pathogenic factor ofEscherichia coliduring development of urinary tract infections. Here, we describe a new method for identification ofEscherichia colipapG+frompapG-strains using the attenuated total reflectance Fourier transform infrared Spectroscopy (ATR FT-IR). We applied artificial neural networks to the analysis of the ATR FT-IR results. These methods allowed to discriminateE. colipapG+frompapG-strains with accuracy of 99%.
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Forsskåhl, Ingegerd, Eija Kenttä, Pirjo Kyyrönen, and Olavi Sundström. "Depth Profiling of a Photochemically Yellowed Paper. Part II: FT-IR Techniques." Applied Spectroscopy 49, no. 2 (1995): 163–70. http://dx.doi.org/10.1366/0003702953963724.

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A strongly photo-yellowed paper, whose surface had been ground off to different depths, was subjected to various Fourier transform infrared (FT-IR) techniques, including attenuated total reflectance (ATR), diffuse reflectance (DRIFT), photoacoustic (PA), and potassium bromide pellet (KBr) spectroscopy. Depth profiling of the paper was accomplished by monitoring specific infrared bands which showed systematic and consistent changes caused by irradiation. The results from the different Fourier transform infrared techniques were compared.
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Álvarez, Ángela, and Jorge Yáñez. "Screening of Gunshot Residue in Skin Using Attenuated Total Reflection Fourier Transform Infrared (ATR FT-IR) Hyperspectral Microscopy." Applied Spectroscopy 74, no. 4 (2020): 400–407. http://dx.doi.org/10.1177/0003702819892930.

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The detection of gunshot residues (GSR) in skin is important in criminal forensic investigations related with firearms. Conventionally, the procedure is based on the detection of metallic or inorganic residues (IGSR). In this work, we propose attenuated total reflectance Fourier transform infrared (ATR FT-IR) hyperspectral microscopy as a complementary and nondestructive technique for detection of organic GSR (OGSR). The spectra were acquired from GSR of three ammunition manufacturers, which were collected from shooter’s hands by the tape-lifting method. Before spectroscopic analysis, a Na–Ca
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Snyder, Randy W., and Stephen J. Fuerniss. "ATR/IR Spectroscopic Method for following Photo-Polymer Curing." Applied Spectroscopy 46, no. 7 (1992): 1113–16. http://dx.doi.org/10.1366/0003702924124187.

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A method for examining the photo-induced polymerization of photoresists and solder masks, at the substrate/photopolymer interface, using attenuated total reflectance (ATR) and infrared spectroscopy is discussed. The method is especially useful for dry film photoresists and gives information concerning cure levels affected by exposure dose and photoresist thickness. The photoprocessing of Vacrel® 8100 series solder mask and Riston® 3100 series photoresists from Dupont are used as examples.
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Dissertations / Theses on the topic "Attenuated total reflectance infrared spectroscopy (ATR-IR)"

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Nothnagel, Carien. "Multivariate data analysis using spectroscopic data of fluorocarbon alcohol mixtures / Nothnagel, C." Thesis, North-West University, 2012. http://hdl.handle.net/10394/7064.

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Pelchem, a commercial subsidiary of Necsa (South African Nuclear Energy Corporation), produces a range of commercial fluorocarbon products while driving research and development initiatives to support the fluorine product portfolio. One such initiative is to develop improved analytical techniques to analyse product composition during development and to quality assure produce. Generally the C–F type products produced by Necsa are in a solution of anhydrous HF, and cannot be directly analyzed with traditional techniques without derivatisation. A technique such as vibrational spectroscopy, that c
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Mayer, Júlia Gonçalves. "Comparação da análise de ácidos graxos TRANS em biscoito por cromatografia gasosa acoplada a espectrometria de massas (cg-em) e por espectroscopia no infravermelho com transformada de fourier e reflectância total atenuada (FT-IR-ATR)." Niterói, 2018. https://app.uff.br/riuff/handle/1/5892.

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Submitted by Biblioteca da Faculdade de Farmácia (bff@ndc.uff.br) on 2018-03-05T14:14:06Z No. of bitstreams: 1 JÚLIA GONÇALVES MAYER.pdf: 2883327 bytes, checksum: 6ae955490e1664e27d2c9669ad07a02c (MD5)<br>Made available in DSpace on 2018-03-05T14:14:06Z (GMT). No. of bitstreams: 1 JÚLIA GONÇALVES MAYER.pdf: 2883327 bytes, checksum: 6ae955490e1664e27d2c9669ad07a02c (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Os métodos analíticos utilizados para medir o percentual de ácido graxo trans (AGT) em alimentos envolvem cromatografia em fase gasosa com detecção de ionização
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Borth, David J. "Non-Destructive Evaluation of Urethane-Ester Coating Systems Using the Scanning Kelvin Probe Technique." University of Dayton / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1524749968517527.

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Karlowatz, Manfred. "Part I. From the Lab to the Field - Recent Developments in Polymer Coated ATR Sensing for the Determination of Volatile Organic Compounds ; Part II. From the Field to the Lab - Investigating IR Signatures for Remote Sensing Applications." Diss., Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-06212004-145116/unrestricted/karlowatz%5Fmanfred%5F200407%5Fphd.pdf.

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Thesis (Ph. D.)--School of Chemistry and Biochemistry, Georgia Institute of Technology, 2005. Directed by Boris Mizaikoff.<br>Weck, Marcus, Committee Member ; Lyon, Andrew, Committee Member ; Loeffler, Frank, Committee Member ; Janata, Jiri, Committee Member ; Mizaikoff, Boris, Committee Chair ; Orlando, Thomas, Committee Member. Includes bibliographical references.
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"Improvements in nutritive value of canola meal with pelleting." Thesis, 2015. http://hdl.handle.net/10388/ETD-2015-02-1952.

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Production of and demand for Canadian canola meal have been increased yearly. In order to improve the competitiveness of canola meal domestically and internationally, as well as to develop potential markets for canola meal, it is necessary to develop canola meal-based products that have high feed values and can be easily transported. The objectives of this research were: 1) to investigate the effects of temperature and time of conditioning during pelleting process on the nutritive values of canola meal in terms of chemical profiles, protein and carbohydrate subfractions, and energy values, usi
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Gagnon, Marc-André. "Étude des propriétés de transport dans les hydrogels de curdlan." Thèse, 2009. http://hdl.handle.net/1866/3906.

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Les hydrogels de polysaccharide sont des biomatériaux utilisés comme matrices à libération contrôlée de médicaments et comme structures modèles pour l’étude de nombreux systèmes biologiques dont les biofilms bactériens et les mucus. Dans tous les cas, le transport de médicaments ou de nutriments à l’intérieur d’une matrice d’hydrogel joue un rôle de premier plan. Ainsi, l’étude des propriétés de transport dans les hydrogels s’avère un enjeu très important au niveau de plusieurs applications. Dans cet ouvrage, le curdlan, un polysaccharide neutre d’origine bactérienne et formé d’unités répéti
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Book chapters on the topic "Attenuated total reflectance infrared spectroscopy (ATR-IR)"

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Nocentini, M., and R. Barbucci. "Fourier Transform Attenuated Total Reflection Infrared Spectroscopy (ATR/FT-IR)." In Test Procedures for the Blood Compatibility of Biomaterials. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1640-4_20.

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Magnani, A., and R. Barbucci. "Fourier Transform Attenuated Total Reflection Infrared Spectroscopy (ATR/FT-IR): Application to Proteins Adsorption Studies." In Test Procedures for the Blood Compatibility of Biomaterials. Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1640-4_21.

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Bürgi, Thomas. "Attenuated total reflection infrared (ATR-IR) spectroscopy, modulation excitation spectroscopy (MES), and vibrational circular dichroism (VCD)." In Biointerface Characterization by Advanced IR Spectroscopy. Elsevier, 2011. http://dx.doi.org/10.1016/b978-0-444-53558-0.00005-9.

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Conference papers on the topic "Attenuated total reflectance infrared spectroscopy (ATR-IR)"

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Duerst, Richard W., William A. Peters, W. E. Breneman, and G. A. Kohler. "Attenuated Total Reflectance (ATR) And Reflection Absorption Infrared (RAMS) Spectroscopic Analysis Of Thin Films." In 1985 International Conference on Fourier and Computerized Infrared Spectroscopy, edited by David G. Cameron and Jeannette G. Grasselli. SPIE, 1985. http://dx.doi.org/10.1117/12.970942.

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Berechet, Mariana Daniela, Demetra Simion, Maria Stanca, et al. "Antibacterial and antioxidant activities of lemon balm (Melissa officinalis L.) essential oil." In The 8th International Conference on Advanced Materials and Systems. INCDTP - Leather and Footwear Research Institute (ICPI), Bucharest, Romania, 2020. http://dx.doi.org/10.24264/icams-2020.ii.2.

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Lemon balm (Melissa officinalis L.) belongs to the Lamiaceae family. Essential oil extracted from the aerial parts of lemon balm has been investigated for the protection of fruits during storage, as insecticidal, as well as in medicine, due to its bioactive properties. In this paper, the composition and identification of components from Melissa officinalis L. essential oil were determined by gas chromatography coupled with mass spectrophotometry (GC/MS) analysis. Total phenol content (TPC) and the scavenging activity towards 2,2-diphenyl-1-picrylhydrazyl (DPPH·) and 2,2′-azino-bis (3-ethylbenz
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Puthiyapurayil, Haseeba Kaiprath, Veerasingam S, Shafeeq H, Jassim Al-Khayat, and Vethamony P. "Assessment of Tarmat Contamination and its Chemical Characterization along the West Coast of Qatar, Arabian Gulf." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0075.

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Tarmat/Oil residue (hereafter ‘TM’) is one of the serious threats to the marine ecosystem due to their toxicity, persistence and bioaccumulation problems. To assess the level of TM contamination and to determine the primary differences in the chemical composition, a sampling campaign was conducted in 12 beaches along the west coast of Qatar. TM contamination ranged from 0 to 104 gm-1 with an average value of 9.25 gm-1. Moreover, all the TM samples were found to be highly weathered, blackish and asphalt-like material. Though the current TM pollution level is thirty-fold lesser than those found
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McNally, Tony, John J. McGarvey, Andrew Dennis, Paul McShane, Gerald M. McNally, and Seamus Byrne. "The Use of Fourier Transform Infrared-Attenuated Total Reflectance (FTIR-ATR) Spectroscopy to Characterise the Diffusion of Fuel Components in Polymers Used in Multilayer Fuel Line Tubing." In International Congress & Exposition. SAE International, 1999. http://dx.doi.org/10.4271/1999-01-0374.

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Veerasingam, Subramanian, Jassim A. Al-Khayat, and Ponnumony Vethamony. "COVID-19 Personal Protection Equipment (PPE): A Potential Source of Microplastic Pollution in the State of Qatar." In Qatar University Annual Research Forum & Exhibition. Qatar University Press, 2020. http://dx.doi.org/10.29117/quarfe.2020.0284.

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Coronavirus disease 2019 (COVID-19) has become a global pandemic. The personal protection equipment (PPE), especially medical face masks and N95 filtering face piece respirators (FFRs) are typically worn by people at home/office/working place/outside to protect from infection. Thus, the increase in consumption of facemasks and FFRs across Qatar has given rise to a new environmental challenge, adding to the vast plastic waste in the environment. Our team has already established the baseline levels of marine litter (ML) including plastic waste along the west coast of Qatar based on November 2019
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Marcott, C., G. M. Story, I. Noda, A. Bibby, and C. J. Manning. "Pressure-modulation dynamic attenuated-total-reflectance (ATR) FT-IR spectroscopy." In The eleventh international conference on fourier transform spectroscopy. AIP, 1998. http://dx.doi.org/10.1063/1.55759.

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Sen, Bhupendra K., and Manas Kanti Deb. "Single-drop micro-extraction and attenuated total reflectance Fourier transform infrared spectroscopic (SDME/ATR-FTIR) determination of molybdenum(VI)." In Annual International Conference on Chemistry, Chemical Engineering and Chemical Process ( CCECP 2016 ). Global Science & Technology Forum ( GSTF ), 2016. http://dx.doi.org/10.5176/2301-3761_ccecp16.8.

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Hans, Kerstin M. C., Michele Gianella, and Markus W. Sigrist. "Sensing cocaine in saliva with attenuated total reflection infrared (ATR-IR) spectroscopy combined with a one-step extraction method." In SPIE BiOS, edited by Robert J. Nordstrom and Gerard L. Coté. SPIE, 2012. http://dx.doi.org/10.1117/12.906207.

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Chou, Chia-Fu. "BIOMOLECULAR ANALYSIS VIA MOLECULAR DAM, PLASMONIC NANOGAPS, NANOFLUIDIC FLUORESCENCE MICROSCOPY (NFM) AND ATTENUATED TOTAL REFLECTION INFRARED (ATR-IR) SPECTROSCOPY# ." In The 7th International Multidisciplinary Conference on Optofluidics 2017. MDPI, 2017. http://dx.doi.org/10.3390/optofluidics2017-04535.

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