Relevant bibliographies by topics / Multidimensional chromatography

Academic literature on the topic 'Multidimensional chromatography'

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Published: 4 June 2021
Last updated: 21 February 2023

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Journal articles on the topic "Multidimensional chromatography"

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Schmidt, Torsten C., Oliver J. Schmitz, and Thorsten Teutenberg. "Multidimensional chromatography." Analytical and Bioanalytical Chemistry 407, no. 1 (October 24, 2014): 117–18. http://dx.doi.org/10.1007/s00216-014-8265-y.

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Edwards, Matthew, Haleigh Boswell, and Tadeusz Górecki. "Comprehensive Multidimensional Chromatography." Current Chromatography 2, no. 2 (July 30, 2015): 80–109. http://dx.doi.org/10.2174/2213240602666150722232236.

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Marriott, Philip J., Sung-Tong Chin, Bussayarat Maikhunthod, Hans-Georg Schmarr, and Stefan Bieri. "Multidimensional gas chromatography." TrAC Trends in Analytical Chemistry 34 (April 2012): 1–21. http://dx.doi.org/10.1016/j.trac.2011.10.013.

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Bartle, Keith D., Ilona Davies, Mark W. Raynor, Anthony A. Clifford, and Jacob P. Kithinji. "Unified multidimensional microcolumn chromatography." Journal of Microcolumn Separations 1, no. 2 (March 1989): 63–70. http://dx.doi.org/10.1002/mcs.1220010205.

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Satława, Tadeusz, Joanna Grabska-Chrząstowska, and Przemysław Korohoda. "Application of multidimensional data analysis to chromatography." Image Processing & Communications 18, no. 2-3 (December 1, 2013): 101–8. http://dx.doi.org/10.2478/v10248-012-0084-1.

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Abstract This work presents analysis of chromatographic signal used to identify substances in samples. First part consists of chromatography overview and description of three classification methods (neural network with backpropagation, probabilistic neural network with Parzen window and support vector machines). Designed algorithm consists of several stages: signal filtering, peak detection and its approximation with sum of two Gaussian functions. The parameters of that two curves are the features vectors describing the peak of the substance. The last step is classification, for which two types of supervised machine learning were compared, based on the whole signal and on features vectors. Both types were tested for different classificators and their parameters. Verification was based on 55 chromatography signals. The best results for both methods of learning were achieved for probabilistic neural networks. The correct classification rate was 82% for the whole signal and 93% for feature vectors.
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Cabalda, Vivian M., and John F. Kennedy. "Multidimensional chromatography: Techniques and applications." Carbohydrate Polymers 16, no. 1 (January 1991): 111–12. http://dx.doi.org/10.1016/0144-8617(91)90077-p.

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Herrero, Miguel, Elena Ibáñez, Alejandro Cifuentes, and Jose Bernal. "Multidimensional chromatography in food analysis." Journal of Chromatography A 1216, no. 43 (October 2009): 7110–29. http://dx.doi.org/10.1016/j.chroma.2009.08.014.

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Levy, J. M., J. P. Guzowski, and W. E. Huhak. "On-line multidimensional supercritical fluid chromatography/capillary gas chromatography." Journal of High Resolution Chromatography 10, no. 6 (June 1987): 337–41. http://dx.doi.org/10.1002/jhrc.1240100604.

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Shah, Priyanka A., Pranav S. Shrivastav, and Vinay Sharma. "Multidimensional chromatography platforms: status and prospects." Bioanalysis 13, no. 14 (July 2021): 1083–86. http://dx.doi.org/10.4155/bio-2021-0118.

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Nolvachai, Yada, Chadin Kulsing, and Philip J. Marriott. "Multidimensional gas chromatography in food analysis." TrAC Trends in Analytical Chemistry 96 (November 2017): 124–37. http://dx.doi.org/10.1016/j.trac.2017.05.001.

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Dissertations / Theses on the topic "Multidimensional chromatography"

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Davies, Ilona Lynn. "Analysis of polycyclic aromatic compounds by multidimensional chromatography." Thesis, University of Leeds, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.328575.

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Dixon, Antony. "Multidimensional chromatography of the soybean proteome following genetic modification." Thesis, University of Leeds, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.406209.

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Johnson, Kevin J. "Strategies for chemometric analysis of gas chromatographic data /." Thesis, Connect to this title online; UW restricted, 2003. http://hdl.handle.net/1773/8513.

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Van, der Westhuizen Katriena Elizabet. "Comprehensive multidimensional gas chromatography for the analysis of Fischer-Tropsch products." Thesis, Stellenbosch : Stellenbosch University, 2011. http://hdl.handle.net/10019.1/18006.

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Thesis (PhD)--University of Stellenbosch, 2011.
ENGLISH ABSTRACT: The analysis of Fischer–Tropsch–derived (FT–derived) synthetic crude and derived products is very challenging because of the highly complex nature of these products. In this study, the use of comprehensive multidimensional gas chromatography (GCxGC) with time-of-flight mass spectrometry (TOF-MS) and flame ionisation detection (FID) was investigated for the analysis of these products and the technique was found to be invaluable for the analysis of these complex mixtures. The compositions of FT synthetic crude, produced at low temperature (LT–FT) and high temperature (HT–FT) processes were compared and the effect that changes in FT reaction temperature has on product formation was investigated. Results for conventional onedimensional GC (1D-GC) and GCxGC were compared. It was found that conventional 1D–GC does not have sufficient peak capacity to separate the thousands of compounds in the HT FT products. GCxGC provides a huge peak capacity of tens-of-thousands to separate highly complex mixtures. Structured chromatograms, where groups of compounds with similar properties are grouped together, aid in peak identification. Moreover, sensitivity at low microgram per milliliter levels is obtained. These attributes enabled accurate analysis of various complex feed and product streams in the FT refinery, and also various final fuel products. The use of GCxGC alone was demonstrated, and also combined with high performance liquid chromatography (HPLC), supercritical fluid chromatography (SFC) and nuclear magnetic resonance (NMR) when even more separation power was needed. HPLC–GCxGC enabled the separation of alkene and cyclic alkane compound classes in oligomerisation products. These compound classes have similar mass spectra, elute in adjacent regions and co–elute even to some extent on the GCxGC contour plot, making differentiation difficult. SFC is a good replacement for HPLC for these applications because it does not use solvents as mobile phases. CO2 is easily evaporated after the separation and does not interfere with the GCxGC separation of the analytes. SFC is also a very good technique to separate the compound classes of alkanes, alkenes, aromatics and oxygenates, and is therefore highly complementary to GCxGC. The combination of GCxGC with NMR data was also found to be very valuable for the identification of branched alkane isomers in LT–FT diesels. GCxGC provides excellent separation of individual compounds but the identification of isomers (except for mono–methyl branching) is difficult because the mass spectra of most of these isomers are similar and not all compounds are in the mass spectral libraries. NMR, on the other hand, is able to distinguish between the individual types of branched isomers but has limited separation power for the complex mixtures. By combining the two techniques, the best of both was obtained. The study found GCxGC to be invaluable for the analysis of the highly complex FT–derived products, while its combination with other techniques such as HPLC, SFC and NMR provided even more separation power.
AFRIKAANSE OPSOMMING: Die hoogs komplekse samestelling van sintetiese ru–olie en afgeleide produkte, afkomstig van Fischer–Tropsch (FT) sintese, bied groot uitdagings aan die analis. Die studie het die gebruik van GCxGC met ’n TOF-MS en FID bestudeer vir die analise van FT produkte en het bevind dat die tegniek van onskatbare waarde is vir die analise van die hoogs komplekse mengsels. Die samestellings van produkte van lae- en hoë-temperatuur FT prossesse is vergelyk en die effek van ’n verhoging in die reaksie–temperatuur op die produk samestelling is ondersoek. Resultate vir 1D–GC and GCxGC is vergelyk en dit was duidelik dat 1D-GC nie naastenby voldoende piekkapasiteit het om al die komponente van die produkte wat tydens die hoëtemperatuur prosses gevorm word, te kan skei nie. Die GCxGC se piekkapasiteit daarteenoor is in die orde van tienduisende wat die skeiding van hoogs komplekse mensels moontlik maak terwyl die tegniek hoogs gestruktureerde kontoerplotte verskaf wat help met identfikasie van komponente. Die tegniek is verder ook baie sensitief en kan komponente op lae μg/mL vlakke waarneem. Hierdie eienskappe het akkurate analise van verskeie FT produkstrome moontlik gemaak. Die kombinasie van GCxGC met HPLC, SFC en KMR het selfs meer skeidingskrag verskaf waar nodig. HPLC–GCxGC het die skeiding van alkene en sikliese alkane moontlik gemaak. Hierdie komponent klasse se massaspektra is feitlik dieselfde en terselfdertyd elueer die twee groepe reg langs mekaar, en oorvleuel soms selfs tot ’n mate, op die GCxGC kontoerplot, sodat dit moeilik is om daartussen te onderskei. SFC is ’n goeie alternatief vir HPLC in meeste toepassings aangesien die tegniek net CO2 gebruik, wat maklik verdamp by kamertemperatuur en nie oplosmiddels gebruik wat se pieke steur met die van die laekookpunt komponente op die GCxGC kontoerplot nie. Skeidings van die komponentgroepe alkane, alkene, aromate en oksigenate is moontlik met SFC en daarom komplimenteer dit die GCxGC skeiding goed aan. Die kombinasie van GCxGC met kern–magnetiese resonansie (KMR) is van waarde gevind om die verskillende tipes vertakkings in ’n lae-temperatuur FT diesel te identifiseer. GCxGC verskaf uitstekende skeiding van individuele komponente maar die identifikasie van die verskilende isomere, behalwe vir die mono-metiel vertakkings, is moeilik aangesien die massaspektra van baie van die komponente soortgelyk is en die komponente nie in die massa spektrum–biblioteke voorkom nie. KMR, aan die ander kant, kan tussen die individuele vertakkings onderskei maar het beperkte skeidingskrag vir komplekse mensels. Deur die twee tegnieke te kombineer is die beste van albei tegnieke bekom. Die studie het bevind dat GCxGC van onskatbare waarde is vir die analise van die komplekse sintetiese FT produkte terwyl die kombinasie met ander tegnieke soos HPLC, SFC and KMR selfs meer skeidingskrag verskaf.
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Adusumilli, Harika. "Separation and identification of peptides by integrated multidimensional liquid chromatography-mass spectrometry (IMDLC-MS)." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/6028.

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Thesis (M.S.)--University of Missouri-Columbia, 2007.
The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on April 15, 2008) Vita. Includes bibliographical references.
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Zhao, Yun, and 赵赟. "Fully automatable multidimensional liquid chromatography with online tandem mass spectrometry for proteomics and glycoproteomics." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2015. http://hdl.handle.net/10722/208554.

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Maiko, Khumo Gwendoline. "Multidimensional separation of complex polymers according to microstructure." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86227.

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Thesis (PhD)--Stellenbosch University, 2014.
ENGLISH ABSTRACT: Complex polymer systems have multiple distributions with regard to molecular parameters such as molar mass, functionality, chemical composition, molecular architecture and microstructure. These distributions affect the properties of the polymers making it necessary to develop separation methods to be able to correlate structure to property. A single onedimensional chromatographic method is usually not sufficient to separate these complex polymers with respect to all the distributions. Hence, multidimensional liquid chromatography is necessary for the complete analysis of complex polymers using two or more chromatographic techniques before detection. In this work, two novel liquid chromatographic methods were developed to separate complex polymers according to microstructure. Comprehensive two-dimensional liquid chromatography (LC x LC) was carried out to observe the correlation between microstructure and molar mass. The separation according to microstructure was coupled to NMR (LC-NMR) to observe, identify and quantify the different microstructural components during chromatographic elution. The first chromatographic method separated hydrogenated and deuterated polystyrene homopolymers with respect to the isotope effect. For the LC x LC experiments, liquid chromatography at critical conditions (LCCC) was employed as the first dimension separating according to the isotope effect and size exclusion chromatography (SEC) as the second dimension separating according to molar mass. The LC x LC results of the blends showed that there was an improvement in isotopic separation with an increase in molar mass. The LCNMR coupling using both 1H and 2H NMR detection allowed for the identification of low molar mass blend components which were not sufficiently separated by liquid chromatography. The second chromatographic method separated stereoregular poly(methyl methacrylate)s (PMMAs) with respect to tacticity. The LC x LC experiments of stereoregular PMMAs utilised solvent gradient liquid chromatography as the first dimension to separate according to tacticity and size exclusion chromatography (SEC) as the second dimension to separate according to molar mass. The LC x LC results showed a change in the triad composition with elution of the stereoregular PMMAs with a slight influence of molar mass. The LC-NMR coupling allowed the observation of the triad composition during chromatographic elution.
AFRIKAANSE OPSOMMING: Komplekse polimeriese sisteme het meervoudige verspreidings ten opsigte van molekulêre parameters, soos byvoorbeeld, molêre massa, funksionaliteit, chemiese samestelling, molekulêre argitektuur en mikrostruktuur. Hierdie verspreidings beïnvloed die eienskappe van die polimere en dus is dit nodig om skeidingsmetodes te ontwikkel ten einde polimeerstruktuur met polimeereienskappe te kan korreleer. ‘n Enkele een-dimensionele chromatografiese metode is gewoonlik nie voldoende om hierdie komplekse polimere te skei met betrekking tot al die verspreidings nie. Multidimensionele vloeistofchromatografie, met die insluiting van twee of meer chromatografiese tegnieke, is dus nodig om polimere te skei voor waarneming kan plaasvind. Twee nuwe chromatografiese metodes is ontwikkel om komplekse polimere volgens mikrostruktuur te skei. Twee-dimensionele vloeistofchromatografie (LC x LC) is uitgevoer ten einde die korrelasie tussen mikrostruktuur en molêre massa te ondersoek. Daarna is die skeiding wat op mikrostruktuur gebasseer is, gekoppel aan KMR (LC-KMR) om die verskillende mikrostrukturele komponente gedurende chromatografiese eluering waar te neem, te identifiseer en te kwantifiseer. Die eerste chromatografiese metode het die gehidrogeneerde en gedeutereerde polistireen geskei met betrekking tot die isotoopeffek. Hier het die LC x LC skeiding bestaan uit vloeistofchromatografie onder kritiese kondisies (LCCC) as die eerste dimensie, wat skeiding bewerkstellig het gebasseer op die isotoopeffek, en grootte-uitsluitingschromatografie (SEC) as die tweede dimensie, wat skeiding bewerkstellig het gebasseer op die molêre massa. Die LC x LC resultate van die vermengings het ‘n verbetering in isotopiese skeiding met ‘n toename in molêre massa getoon. Deur gebruik te maak van die LC-KMR koppeling, waar beide 1H en 2H KMR waarneming gebruik is, was dit moontlik om die lae-molêre-massakomponente van vermengings wat nie volledig d.m.v. LC geskei kon word nie, te identifiseer. Die tweede chromatografiese metode het stereoreëlmatige polimetielmetakrilate (PMMAs) m.b.t. taktisiteit geskei. Die LC x LC skeiding van stereoreëlmatige PMMAs het bestaan uit oplosmiddel -gradiënt-LC as eerste dimensie om volgens taktisiteit te skei, en SEC as tweede dimensie om volgens molêre massa te skei. Die LC x LC resultate het ‘n molêre massa afhanklikheid van stereoreëlmatige PMMAs op taktisiteit getoon. Die LC-KMR koppeling het dit moontlik gemaak om die triade-samestelling gedurende chromatografiese eluering waar te neem.
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Lam, Pui-yu, and 林沛瑜. "Multidimensional liquid chromatography for the analyses of hydrophilicand hydrophobic components in mass spectrometry-based proteomics." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B45960392.

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Kong, Pak-wing, and 江柏榮. "Development of fully automatable multidimensional liquid chromatography (MDLC) with online tandem mass spectrometry for shotgunproteomics." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B48199278.

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 Proteomics is the systematic study of the proteome: the total protein expression of a cell or tissue under specified conditions. The multiplicity and complexity of proteins in cells requires sensitive, selective, and comprehensive methodologies for their distinction and characterization. Multidimensional liquid chromatography (MDLC) coupled with biological tandem mass spectrometry (MS/MS) is uniquely suited to fulfill those requirements and has become an indispensable tool in MS-based proteomics. Our laboratory has developed an online high-/low-pH reversed-phase/reversed-phase (RP–RP) LC system exhibiting fully automatable and reproducible performance. It is a promising alternative to the strong cation exchange/reversed-phase (SCX–RP) system commonly used in high-throughput comprehensive proteomics analyses. The first part of this Thesis (Chapter 2) describes the development of a variant of the high-/low-pH RP–RP platform—RP–SCX–RP—that integrates an additional SCX trap column between the two RP columns to enhance sample recovery. This new system allows the detection of larger numbers of hydrophilic peptides. Indeed, in the analyses of a lysate of Arabidopsis chloroplast proteins, it identified approximately 25% more non-redundant proteins than those identified using the previous version of the RP–RP system. The modified platform has been extended for the online removal of sodium dodecyl sulfate and other excess interference chemicals used in Isobaric Tags for Relative and Absolute Quantification (iTRAQ) reactions, thereby avoiding the need for time-consuming offline SCX clean-up prior to RP–RP separation in the quantitative proteomics analyses of crude biological samples at low-microgram levels. A novel online three-dimensional liquid chromatography (3DLC) system was derived from the RP–SCX–RP design, exhibiting remarkably enhanced orthogonality, resolution, and peak capacity. Peptides were separated in the first-dimension high-pH RP column based on their hydrophobicity, followed by sub-fractionation in the second-dimension SCX column, primarily based on charge; the third dimension was a typical low-pH RP separation, prior to MS analysis. The overall performance of the system was evaluated through analysis of a cell lysate of mouse embryonic fibroblasts. Relative to the two-dimensional high-/low-pH RP–RP system, the new 3D system yielded significant increases in the number of unique peptides and proteins identified, making it a good alternative to SCX–RP and high-/low-pH RP–RP as an efficient automated MDLC platform for high-throughput shotgun proteomics. An optimized and miniaturized variant of the three-dimensional LC platform was also developed. Its simplified setup and operation, by decreasing the number of six-port switching valves (from three to two) and the number of SCX fractionation steps, minimized both the potential sample loss and the total analysis time (by ca. 30%). Thus, a variety of novel, automatable, and robust RP–SCX–RP-based MDLC platforms have been developed for high-throughput qualitative and quantitative analysis. The performance of these systems complements conventional MDLC systems, with enhanced quality, quantity, reproducibility, and throughput of protein identification and quantification.
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Radebe, Nonhlanhla Mtandi. "Multidimensional fractionation of wood-based tannins." Thesis, Stellenbosch : University of Stellenbosch, 2011. http://hdl.handle.net/10019.1/6621.

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Thesis (MSc)--University of Stellenbosch, 2011.
ENGLISH ABSTRACT: High molar mass tannin extracts are complex mixtures which are distributed in both molar mass and chemical composition. Condensed tannins from quebracho and mimosa and hydrolysable tannins of tara, chestnut wood and turkey gall were studied. Application of a single analytical technique is not sufficient to elucidate the complete structures present in the extracts. 13C Nuclear Magnetic Resonance (NMR) spectroscopy and Matrix Assisted Laser Desorption/Ionisation Time-of-Flight (MALDI-TOF) mass spectrometry were applied in order to determine the chemical composition and molar mass, respectively. A new mass spectrometric method that can uniquely determine the oligomer microstructure was developed using Collision Induced Dissociation (CID) experiments. Bulk analysis only showed the average composition of the extracts, in order to obtain specific information on the molar mass and chemical composition distributions. Hydrophilic Interaction Liquid Chromatography (HILIC) was used for analysis of the condensed tannins and for the hydrolysable tannins Normal Phase Liquid Chromatography (NP-LC) was utilised. The HILIC separation was up-scaled and the fractions were collected and analysed by MALDI-TOF, and this coupling revealed that separation occurs by molar and chemical composition. For separation of the molecules only by size, Size Exclusion Chromatography (SEC) analyses were carried out; this allowed for relative comparison of the tannin molecules. In conclusion, for characterisation of high molar mass tannins a multi-dimensional approach was necessary since the various distributions present in these extracts are superimposed.
AFRIKAANSE OPSOMMING: Hoë molekulêre massa tannienekstrakte is komplekse mengsels, in terme van beide molekulêre massa en chemiese samestelling. Gekondenseerde tanniene vanaf quebracho en mimosa, en hidroliseerbare tanniene vanaf tara, kastaaiinghout en Turksegal is bestudeer. Die gebruik van ‘n enkele analitiese tegniek is nie voldoende om die volledige struktuur van komponente teenwoordig in die ekstrakte te analiseer nie. 13C KMR-spektroskopie en MALDI-TOF-massaspektroskopie is gebruik om die chemiese samestelling en molekulêre massa, onderskeidelik, te bepaal. ‘n Nuwe metode is ontwikkel vir die bepaling van die oligomeer-mikrostruktuur deur gebruik te maak van botsings-geïnduseerde dissosiasie eksperimente. Grootmaat analise het net die gemiddelde samestelling van die ekstrak bepaal. Hidrofiliese-interaksie-vloeistofchromatografie (HILIC) is gebruik vir die analise van gekondenseerde tanniene en gewone fase-vloeistofchromatografie is gebruik vir die hidroliseerbare tanniene. Die HILIC-skeiding is op groter skaal uitgevoer en die fraksies is versamel en gebruik vir MALDI-TOF analise. Hierdie koppeling het getoon dat skeiding plaasvind op grond van molekulêre massa en chemiese samestelling. Grootte-uitsluitingschromatografie is gebruik vir die skeiding van molekules alleenlik op grootte. Hierdeur kon ‘n relatiewe vergelyking van die tannienmolekules gemaak word. Vir die karakterisering van hoë molekulêre massa tanniene is ‘n multi-dimensionele benadering nodig aangesien die verskeie verspreidings teenwoording in hierdie ekstrakte supergeponeerd is.
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Books on the topic "Multidimensional chromatography"

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Luigi, Mondello, Lewis Alastair C, and Bartle Keith D, eds. Multidimensional chromatography. West Sussex, England: Wiley, 2002.

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Cohen, Steven A., and Mark R. Schure, eds. Multidimensional Liquid Chromatography. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2008. http://dx.doi.org/10.1002/9780470276266.

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Mondello, Luigi. Comprehensive chromatography in combination with mass spectrometry. Hoboken, N.J: Wiley, 2011.

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Cohen, Steven A. Multidimensional liquid chromatography: Theory and applications in industrial chemistry and the life sciences. Hoboken, N.J: Wiley-Interscience, 2008.

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Jayatilaka, Arya Koralege Perera. Multidimensional gas chromatography: Optimization and method development for the analysis of pharmaceutical, forensic and flavor compounds. [Detroit, Mich.]: [s.n.], 1994.

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1939-, Provder Theodore, Barth Howard G, and Urban Marek W. 1953-, eds. Chromatographic characterization of polymers: Hyphenated and multidimensional techniques. Washington, DC: American Chemical Society, 1995.

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Chappell, Colin Graham. Multidimensional liquid and gas chromatographic methods for veterinary drug analysis. Norwich: University of East Anglia, 1993.

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Cortes. Multidimensional Chromatography (Chromatographic Science). CRC, 1989.

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Mondello, Luigi, Alastair C. Lewis, and Keith D. Bartle. Multidimensional Chromatography. Wiley, 2001.

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Mondello, Luigi, Alastair C. Lewis, and Keith D. Bartle. Multidimensional Chromatography. Wiley & Sons, Incorporated, John, 2003.

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Book chapters on the topic "Multidimensional chromatography"

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Pasch, Harald, and Bernd Trathnigg. "Theory of Polymer Chromatography." In Multidimensional HPLC of Polymers, 17–26. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36080-0_2.

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Pasch, Harald, and Bernd Trathnigg. "Multidetector Size Exclusion Chromatography." In Multidimensional HPLC of Polymers, 55–93. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36080-0_5.

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Pasch, Harald, and Bernd Trathnigg. "Two-Dimensional Liquid Chromatography." In Multidimensional HPLC of Polymers, 95–181. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36080-0_6.

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Pasch, Harald, and Bernd Trathnigg. "Interactive Modes of Polymer Chromatography." In Multidimensional HPLC of Polymers, 27–35. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36080-0_3.

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Pasch, Harald, and Bernd Trathnigg. "Polyolefin Analysis by Multidimensional Liquid Chromatography." In Multidimensional HPLC of Polymers, 247–71. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36080-0_8.

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Blumberg, Leonid M. "Multidimensional Gas Chromatography: Theoretical Considerations." In Comprehensive Chromatography in Combination with Mass Spectrometry, 13–63. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118003466.ch2.

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Jandera, Pavel. "Multidimensional Liquid Chromatography: Theoretical Considerations." In Comprehensive Chromatography in Combination with Mass Spectrometry, 65–92. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2011. http://dx.doi.org/10.1002/9781118003466.ch3.

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Adahchour, Mohamed, and Udo A. Th Brinkman. "Multidimensional and Comprehensive Two-Dimensional Gas Chromatography." In Practical Gas Chromatography, 461–502. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54640-2_13.

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Pasch, Harald, and Bernd Trathnigg. "Hyphenation of Polymer Chromatography with Information-Rich Detectors." In Multidimensional HPLC of Polymers, 183–246. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-36080-0_7.

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Biedermann, M., and K. Grob. "Chapter 8. Multidimensional LC-GC." In Advanced Gas Chromatography in Food Analysis, 283–333. Cambridge: Royal Society of Chemistry, 2019. http://dx.doi.org/10.1039/9781788015752-00283.

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Conference papers on the topic "Multidimensional chromatography"

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Ming-yang, Jing-hong Zhao, Xin-Yue Chen, Qiuyan Wang, and Zhong-xin Zhou. "Determination of Vapour Pressure of gasoline by double ANN algorithm combined with multidimensional gas chromatography." In 2011 International Conference on Electric Information and Control Engineering (ICEICE). IEEE, 2011. http://dx.doi.org/10.1109/iceice.2011.5777798.

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Donald W. Wright, David K. Eaton, Lawrence T. Nielsen, Fred W. Kuhrt, Jacek A. Koziel, Jarett P. Spinhirne, and David B. Parker. "Multidimensional Gas Chromatography-Olfactometry for Identification and Prioritization of Malodors from Confined Animal Feeding Operations." In 2004, Ottawa, Canada August 1 - 4, 2004. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2004. http://dx.doi.org/10.13031/2013.16813.

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Liu, Ming-yang, Peng Zhou, Ping Kong, Chun-guang Yang, Gang Li, and Ming-ren Mu. "Determination of octane number of gasoline by double ANN algorithm combined with multidimensional gas chromatography." In 2010 Sixth International Conference on Natural Computation (ICNC). IEEE, 2010. http://dx.doi.org/10.1109/icnc.2010.5583775.

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Prebihalo, Sarah, Geoffrey Dubrow, Pierluigi Delmonte, and Rahul Pawar. "Development of a method for the identification and quantification of terpenes and cannabinoids in hemp using multidimensional gas chromatography and quadrupole-orbitrap mass spectrometry." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/gtan2234.

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Since the passage of the 2018 Farm Bill, hemp-containing food products, including those marketed as dietary supplements, have proliferated in the U.S. marketplace, necessitating the development of analytical methods for the identification and quantification of cannabinoids in hemp. Reports suggesting a possible contribution of terpenes on the effects of cannabinoids further expands the demand for analytical methods that can accurately determine the terpenes profile for these products. Due to the complex composition of hemp, one-dimensional chromatographic methods may be proven to be insufficient for unmasking trace level terpenes which may play an important role in the chemical properties of hemp-materials. To address this challenge, a method combining multidimensional gas chromatography (GC×GC) and high-resolution quadrupole-orbitrap mass spectrometry has been developed. The reported method provides accurate analysis of fifty-six terpenes and nine cannabinoids, including but not limited to, CBD and D-9-THC, in various varieties of hemp plant material.
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Wang, Yun, Yahui Liu, Song Lu, Yujuan Li, Yongqian Zhang, Hong Qing, and Yulin Deng. "Nano-flow multidimensional liquid platform using strong ion-exchange and reversed-phase chromatography for improved proteomic analyses." In 2015 IEEE International Conference on Mechatronics and Automation (ICMA). IEEE, 2015. http://dx.doi.org/10.1109/icma.2015.7237582.

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Cordero, Chiara Emilia, Erica Liberto, Federico Stilo, Humberto Bizzo, Luis Cuadros Rodriguez, Simone Squara, and Stephen Reichenbach. "Artificial Intelligence smelling machines based on multidimensional gas chromatography: Capturing extra-virgin olive oil aroma blueprint and unique identity." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/okat9384.

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Comprehensive two-dimensional gas chromatography coupled to time-of-flight mass spectrometry (GC×GC-TOF MS) has been recently applied as core technology of a Sensomics-based expert system (SEBES) capable to predict key-aroma signatures of food without using human olfaction. The strategy, also referred to as Artificial Intelligence Smelling, conceptually opens many different opportunities for odorants pattern detection, accurate quantification avoiding time-consuming sample preparation/extraction steps, and samples sensory qualification/discrimination based on computer vision strategies. The contribution illustrates the potentials of GC×GC platforms in the context of Artificial Intelligence Smelling for extra-virgin olive oils selected within high-quality productions from Italy and Brazil. In particular, by accurate quantification of key-aroma compounds and potent odorants strongly correlated to sensory defects, samples’ aroma bluperint is captured and used to discriminate oils based on their peculiar hedonic features. The application of combined untargeted and targeted (UT) fingerprinting strategy of 2D-data patterns enables effective discrimination between oils produced in different Italian Regions and between oils from Italy and Brazil independently by processing technologies and olives cultivars. This identitation process has great potentials being an effective fingerprinting strategy while providing, at the same time, high level information on chemical composition as a detailed profiling.
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Shicheng Zhang, Lingshuang Cai, Edward A Caraway, Jacek A Koziel, David B Parker, Ipek Celen, Brian Hetchler, et al. "Characterization and Quantification of Livestock Odorants using Sorbent Tube Sampling and Thermal Desorption coupled with Multidimensional Gas Chromatography-Mass Spectrometry-Olfactometry (TD-MDGC-MS-O)." In 2008 Providence, Rhode Island, June 29 - July 2, 2008. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2008. http://dx.doi.org/10.13031/2013.25192.

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Kim, Han-Sang, Taehun Ha, and Kyoungdoug Min. "A Study of Water and Oxygen Distributions in the Cathode Flow Channels of a PEM Fuel Cell." In ASME 2006 4th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2006. http://dx.doi.org/10.1115/fuelcell2006-97240.

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Water management is a critical operation issue for achieving the highest possible performance of proton exchange membrane (PEM) fuel cells. Quantitative determination of water and species distribution is needed to understand the water management and reactant distribution effects. In this study, the measurement of water and oxygen distributions along cathode flow channels was carried out using gas chromatography (GC). Generally, it is difficult to measure water distribution where water concentration is too high. Here, the measurement of high levels of water saturation in cathode channels was performed according to fuel cell operating conditions. GC measurement was also carried out for flooding and non-flooding conditions. To compare the experimental results with computational results, the three-dimensional CFD simulation of a unit fuel cell was performed using es-pemfc, which is the PEM fuel cell module of commercial CFD code STAR-CD. For the entrance of flow channel that has relatively lower level of water content, the calculated results showed good agreement with measured results. However, some discrepancy between calculated and experimental results was still found for the flow channels near the cathode outlet. The study provides the necessity of the development and adoption of a comprehensive multidimensional PEM fuel cell models including two-phase flow and cathode flooding phenomena for the optimization of fuel cell performance.
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Reports on the topic "Multidimensional chromatography"

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Bulliner, Edward A., Jacek A. Koziel, Lingshuang Cai, and Donald Wright. Characterization of Livestock Odors Using Steel Plates, Solid Phase Microextraction, and Multidimensional-Gas Chromatography-Mass Spectrometry-Olfactometry. Ames (Iowa): Iowa State University, January 2007. http://dx.doi.org/10.31274/ans_air-180814-272.

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Zhang, Shicheng, Lingshuang Cai, and Jacek A. Koziel. Characterization and Quantification of Livestock Odorants using Sorbent Tube Sampling and Thermal Desorption coupled with Multidimensional Gas Chromatography–Mass Spectrometry–Olfactometry. Ames (Iowa): Iowa State University, January 2009. http://dx.doi.org/10.31274/ans_air-180814-271.

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Lo, Yin-Cheung, Jacek A. Koziel, Lingshuang Cai, Steven J. Hoff, William S. Jenks, and Hongwei Xin. Simultaneous Chemical and Sensory Characterization of VOCs and Semi-VOCs Emitted from Swine Manure Using SPME and Multidimensional Gas Chromatography-Mass Spectrometry-Olfactometry. Ames (Iowa): Iowa State University, January 2007. http://dx.doi.org/10.31274/ans_air-180814-276.

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Rubey, Wayne A. Multidimensional High-Resolution Gas Chromatographic Investigations of Hydrocarbon Fuels and Various Turbine Engine Fuel Precursors. Fort Belvoir, VA: Defense Technical Information Center, August 1985. http://dx.doi.org/10.21236/ada162660.

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