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chemistry, analytical (29) 29
liquid chromatography (26) 26
index medicus (24) 24
off-line (24) 24
separation (16) 16
analysis (15) 15
biochemical research methods (13) 13
mass spectrometry (10) 10
optimization (10) 10
peak-capacity (10) 10
comprehensive two-dimensional liquid chromatography (9) 9
hydrophilic interaction (9) 9
systematic optimization (9) 9
chromatography (8) 8
lc x lc (7) 7
mass-spectrometry (7) 7
polyphenols (7) 7
analytical chemistry (6) 6
flüssigkeitschromatographie (6) 6
food analysis (6) 6
lc × lc (6) 6
lc:liquid-chromatography (6) 6
phenolic compounds (6) 6
usage (6) 6
edible oils (5) 5
gradient elution (5) 5
online (5) 5
chemical sciences (4) 4
food (4) 4
orthogonality (4) 4
procyanidins (4) 4
separating (4) 4
two dimensional (4) 4
[ chim.anal ] chemical sciences/analytical chemistry (3) 3
animals (3) 3
auflösungsvermögen (3) 3
chemistry (3) 3
chromatography, high pressure liquid - methods (3) 3
diode-array (3) 3
electrospray-ionization (3) 3
evaporative light-scattering (3) 3
flavonoids (3) 3
gradient ion-exchange (3) 3
hplc (3) 3
humans (3) 3
hydrophilic interaction chromatography (3) 3
lc×lc (3) 3
lignocellulosic biomass (3) 3
liquid-chromatography (3) 3
massenspektrometrie (3) 3
mathematical analysis (3) 3
off-line lc-lc (3) 3
on-line systems (3) 3
peak capacity (3) 3
peptides (3) 3
phenolic antioxidants (3) 3
phenolic-compounds (3) 3
polycyclic aromatic hydrocarbons (3) 3
proteins (3) 3
resolution (3) 3
resolution:resolving (3) 3
reversed-phase chromatography (3) 3
stationary phases (3) 3
triacylglycerols (3) 3
ultra-high pressure (3) 3
vegetable-oils (3) 3
2-dimensional gel-electrophoresis (2) 2
2-dimensional liquid-chromatography (2) 2
algorithms (2) 2
antioxidant capacity (2) 2
antioxidants (2) 2
biochemistry, general (2) 2
biomass energy (2) 2
cacao - chemistry (2) 2
centrifugal partition chromatography (2) 2
centrifugation - methods (2) 2
characterization and evaluation of materials (2) 2
chemical properties (2) 2
chromatography, liquid (2) 2
chromatography, liquid - methods (2) 2
chromatography, reverse-phase - methods (2) 2
cocoa (2) 2
columns (2) 2
comprehensive two‐dimensional liquid chromatography (2) 2
cpc (2) 2
diet (2) 2
engineering, electrical & electronic (2) 2
environmental monitoring/analysis (2) 2
extraction (2) 2
fats (2) 2
flavone natural antioxidants (2) 2
flight mass-spectrometry (2) 2
food science (2) 2
foods (2) 2
gas-chromatography (2) 2
gradient (2) 2
hydrophile interaktionschromatographie (2) 2
hydrophobic and hydrophilic interactions (2) 2
identification (2) 2
ionization mass-spectrometry (2) 2
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1. Full Text Profiling of phenolic compounds from different apple varieties using comprehensive two-dimensional liquid chromatography
by Montero, Lidia and Herrero, Miguel and Ibáñez, Elena and Cifuentes, Alejandro
Journal of Chromatography A, ISSN 0021-9673, 10/2013, Volume 1313, pp. 275 - 283
An innovative analytical approach based on the use of comprehensive two-dimensional liquid chromatography (LC × LC) is applied to obtain the profiling of... 
Apple | Flavonoids | LC × LC | Procyanidins | Phenolic compounds | Comprehensive LC | LC×LC | LC x LC | CHEMISTRY, ANALYTICAL | PROANTHOCYANIDINS | HYDROPHILIC INTERACTION | BIOCHEMICAL RESEARCH METHODS | IDENTIFICATION | ANTIOXIDANT CAPACITY | MASS-SPECTROMETRY | OFF-LINE | POLYPHENOLS | SYSTEMATIC OPTIMIZATION | POMACE | Liquid chromatography
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2. Full Text Systematic optimisation and evaluation of on-line, off-line and stop-flow comprehensive hydrophilic interaction chromatography×reversed phase liquid chromatographic analysis of procyanidins. Part II: Application to cocoa procyanidins
by Kalili, Kathithileni M and de Villiers, André
Journal of Chromatography A, ISSN 0021-9673, 05/2013, Volume 1289, pp. 69 - 79
Procyanidins present a severe analytical challenge due to their structural complexity and diversity. Comprehensive two-dimensional hydrophilic interaction... 
Off-line | Comprehensive two-dimensional liquid chromatography (LC × LC) | Procyanidins | On-line | Cocoa | Stop-flow | Comprehensive two-dimensional liquid chromatography (LC×LC)
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3. Full Text Systematic optimisation and evaluation of on-line, off-line and stop-flow comprehensive hydrophilic interaction chromatography×reversed phase liquid chromatographic analysis of procyanidins, Part I: Theoretical considerations
by Kalili, Kathithileni M and de Villiers, André
Journal of Chromatography A, ISSN 0021-9673, 05/2013, Volume 1289, pp. 58 - 68
Comprehensive two-dimensional liquid chromatography (LC × LC) provides significantly improved separation for complex real-life samples. LC × LC can be... 
Off-line | Comprehensive two-dimensional liquid chromatography (LC × LC) | Hydrophilic interaction chromatography (HILIC) | Procyanidins | On-line | Stop-flow | Comprehensive two-dimensional liquid chromatography (LC×LC) | Liquids | Separation | On-line systems | Liquid chromatography | Two dimensional | Chromatography | Optimization
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4. Full Text A Robust Mutual Authentication Scheme Based on Elliptic Curve Cryptography for Telecare Medical Information Systems
by Qiu, Shuming and Xu, Guoai and Ahmad, Haseeb and Wang, Licheng
IEEE Access, ISSN 2169-3536, 2018, Volume 6, pp. 7452 - 7463
The telecare medical information systems (TMISs) provide the convenience to the patients/users to be served at home. Along with such ease, it is essential to... 
Smart cards | Telecare medicine information systems | Protocols | Authentication | BAN-logic | Elliptic curve cryptography | smart card | off-line password guessing attack | Servers | authentication | elliptic curve cryptography | SIP AUTHENTICATION | COMPUTER SCIENCE, INFORMATION SYSTEMS | TELECOMMUNICATIONS | KEY AGREEMENT | PASSWORD AUTHENTICATION | ENGINEERING, ELECTRICAL & ELECTRONIC
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5. Full Text Program for the interpretive optimization of two-dimensional resolution
by Pirok, Bob W.J and Pous-Torres, Sandra and Ortiz-Bolsico, Cassandra and Vivó-Truyols, Gabriel and Schoenmakers, Peter J
Journal of Chromatography A, ISSN 0021-9673, 06/2016, Volume 1450, pp. 29 - 37
The challenge of fully optimizing LC × LC separations is horrendous. Yet, it is essential to address this challenge if sophisticated LC × LC instruments are to... 
Pareto-optimality | method development | LC × LC | synthetic dyes | interpretive optimization | retention prediction | Retention prediction | Method development | Synthetic dyes | Interpretive optimization | LC x LC | PHASE LIQUID-CHROMATOGRAPHY | CHEMISTRY, ANALYTICAL | PEAK-CAPACITY | GRADIENT ELUTION | BIOCHEMICAL RESEARCH METHODS | THEORETICAL CONSIDERATIONS | MASS-SPECTROMETRY | ONLINE | OFF-LINE | SYSTEMATIC OPTIMIZATION | DESIRABILITY FUNCTION | PART II APPLICATION | Liquid chromatography | Separation | Stability | Ion pairs | Mathematical models | Two dimensional | Orthogonality | Chromatography | Optimization
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6. Full Text Two-dimensional liquid chromatography approaches in Foodomics – A review
by Montero, Lidia and Herrero, Miguel
Analytica Chimica Acta, ISSN 0003-2670, 11/2019, Volume 1083, pp. 1 - 18
Modern food analysis is directed to the characterization of as many components as possible in food and food-related materials. The use of –omics technologies... 
Food safety | Two-dimensional LC | Food analysis | Foodomics | LC×LC | Proteomics | CHEMISTRY, ANALYTICAL | LC ANALYSIS | DIODE-ARRAY | TANDEM MASS-SPECTROMETRY | ONLINE | MILK POWDER | OFF-LINE | GAS-CHROMATOGRAPHY | GLY M 4 | MEMBRANE CHROMATOGRAPHY | LCxLC | SIMULTANEOUS QUANTIFICATION | Usage | Liquid chromatography | Safety and security measures | Mass spectrometry | Analysis | Food
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7. Full Text Comprehensive two-dimensional liquid chromatographic analysis of anthocyanins
by Willemse, Chandré M and Stander, Maria A and Tredoux, Andreas G.J and de Villiers, André
Journal of Chromatography A, ISSN 0021-9673, 09/2014, Volume 1359, pp. 189 - 201
Anthocyanins are naturally occurring plant pigments whose accurate analysis is hampered by their complexity and unique chromatographic behaviour associated... 
Anthocyanins | Comprehensive two-dimensional liquid chromatography (LC × LC) | Hydrophilic interaction chromatography (HILIC) | Phenolic compounds | Orthogonality | Reversed phase liquid chromatography (RP-LC) | Comprehensive two-dimensional liquid chromatography (LC×LC) | Comprehensive two-dimensional liquid chromatography (LC x LC) | CHEMISTRY, ANALYTICAL | DIODE-ARRAY | BIOCHEMICAL RESEARCH METHODS | HYDROPHILIC INTERACTION CHROMATOGRAPHY | MASS-SPECTROMETRY | OFF-LINE | SYSTEMATIC OPTIMIZATION | WINE ANTHOCYANINS | PHOTODIODE-ARRAY DETECTION | EFFECTIVE PEAK-CAPACITY | RED CABBAGE | ELECTROSPRAY-IONIZATION | Anthocyanin | Analysis | Chromophores
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8. Full Text Separation and characterization of phlorotannins from brown algae Cystoseira abies‐marina by comprehensive two‐dimensional liquid chromatography
by Montero, Lidia and Herrero, Miguel and Ibáñez, Elena and Cifuentes, Alejandro
ELECTROPHORESIS, ISSN 0173-0835, 06/2014, Volume 35, Issue 11, pp. 1644 - 1651
Phlorotannins are an important class of polyphenolic compounds only found in brown algae. The chemical analysis of these bioactive polyphenols is rather... 
Brown algae | Polymeric polyphenols | LC × LC | Cystoseira abies‐marina | Phlorotannins | Cystoseira abies-marina | LC x LC | CHEMISTRY, ANALYTICAL | PEAK-CAPACITY | COLUMN | BIOCHEMICAL RESEARCH METHODS | OFF-LINE | EXTRACTION | POLYPHENOLS | PROCYANIDINS | OPTIMIZATION | Polyphenols - isolation & purification | Tandem Mass Spectrometry | Tannins - analysis | Polyphenols - analysis | Tannins - isolation & purification | Hydrophobic and Hydrophilic Interactions | Chromatography, Liquid - instrumentation | Phaeophyta - chemistry | Polyphenols | Liquid chromatography | Chemical properties | Analysis
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9. Full Text Characterization of secondary metabolites from green cocoa beans using focusing-modulated comprehensive two-dimensional liquid chromatography coupled to tandem mass spectrometry
by Toro-Uribe, Said and Montero, Lidia and López-Giraldo, Luis and Ibáñez, Elena and Herrero, Miguel
Analytica Chimica Acta, ISSN 0003-2670, 12/2018, Volume 1036, pp. 204 - 213
Proanthocyanidins as well as other secondary metabolites present in green cocoa beans were studied thanks to a new method involving the use of on-line... 
LC × LC | Focusing modulation | Phenolic compounds | Cocoa | Xanthines | Proanthocyanidins | LC x LC | CHEMISTRY, ANALYTICAL | PEAK-CAPACITY | HYDROPHILIC INTERACTION | GRAPE-SEED PROCYANIDINS | ONLINE | OFF-LINE | POLYPHENOLS | OPTIMIZATION | SEPARATION | POWDER | Xanthines - metabolism | Tandem Mass Spectrometry | Xanthines - analysis | Flavonoids - analysis | Proanthocyanidins - metabolism | Flavonoids - metabolism | Proanthocyanidins - analysis | Molecular Structure | Chromatography, High Pressure Liquid | Cacao - chemistry | Cacao - metabolism | Secondary Metabolism | Usage | Analysis | Polymerization | Liquid chromatography | Mass spectrometry | Plant metabolites
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10. Full Text Signature verification (SV) toolbox: Application of PSO-NN
by Das, M. Taylan and Dulger, L. Canan
Engineering Applications of Artificial Intelligence, ISSN 0952-1976, 2009, Volume 22, Issue 4, pp. 688 - 694
Analysis of signature is a widely used and developed area of research for personal verification. A typical signature verification (SV) system generally... 
Neural network (NN) | Particle swarm optimization (PSO) | Off-line signature verification | PARTICLE SWARM OPTIMIZATION | ENGINEERING, MULTIDISCIPLINARY | ALGORITHM | FORGERY | CURVES | AUTOMATION & CONTROL SYSTEMS | COMPUTER SCIENCE, ARTIFICIAL INTELLIGENCE | ENGINEERING, ELECTRICAL & ELECTRONIC | Verification | Algorithms | Neural networks | Mathematical optimization | Mechanical engineering | Arms control
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11. Full Text Comprehensive two-dimensional liquid chromatography coupled to the ABTS radical scavenging assay: a powerful method for the analysis of phenolic antioxidants
by Kalili, Kathithileni M and De Smet, Seppe and van Hoeylandt, Tim and Lynen, Frédéric and de Villiers, André
Analytical and Bioanalytical Chemistry, ISSN 1618-2642, 7/2014, Volume 406, Issue 17, pp. 4233 - 4242
The on-line combination of comprehensive two-dimensional liquid chromatography (LC × LC) with the 2,2′-azino-bis(3-ethylbenzothiazoline)-6 sulphonic acid... 
Biochemistry, general | Food Science | Antioxidant activity | Comprehensive two-dimensional liquid chromatography (LC × LC) | Laboratory Medicine | Radical scavenging assay | Phenolic compounds | Chemistry | Analytical Chemistry | Natural products | Characterization and Evaluation of Materials | Environmental Monitoring/Analysis | ABTS | Comprehensive two-dimensional liquid chromatography (LC×LC) | CAPACITY | CHEMISTRY, ANALYTICAL | ROOIBOS ASPALATHUS-LINEARIS | BIOCHEMICAL RESEARCH METHODS | ONLINE | Comprehensive two-dimensional liquid chromatography (LCxLC) | OFF-LINE | SYSTEMATIC OPTIMIZATION | EXTRACTS | CATION | Plant Extracts - analysis | Phenols - analysis | Chromatography, High Pressure Liquid - methods | Vitis - chemistry | Benzothiazoles - analysis | Chromatography, Reverse-Phase - methods | Free Radicals - analysis | Sulfonic Acids - analysis | Cacao - chemistry | Chemistry Techniques, Analytical - methods | Antioxidants - analysis | Tea - chemistry | Antioxidants | Usage | Liquid chromatography | Research | Biological assay | Analysis | Separation | Scavenging | On-line systems | Assaying | Chromatography | Radicals
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12. Full Text Construction and initial evaluation of an apparatus for spatial comprehensive two-dimensional liquid-phase separations
by Vanhoutte, Dominique J.D and Eeltink, Sebastiaan and Kok, Wim Th and Schoenmakers, Peter J
Analytica Chimica Acta, ISSN 0003-2670, 2011, Volume 701, Issue 1, pp. 92 - 97
► A possible alternative to conventional column-based LC × LC is described and discussed. ► A prototype instrument was constructed in-house. ► Preparation of a... 
Peak capacities | LC × LC | Spatial chromatography | Monolithic media | LC×LC | LC x LC | POROUS PROPERTIES | POLYMERS | CHEMISTRY, ANALYTICAL | PEAK-CAPACITY | MONOLITHIC COLUMNS | CHROMATOGRAPHY | OFF-LINE | DIMENSIONS | CHEMISTRY | OPTIMIZATION | SELECTION | Analysis | Chromatography | Construction | Separation | Equivalence | Mathematical analysis | Homogeneity | Two dimensional | Devices
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13. Full Text Multidimensional Liquid Chromatographic Separations Applied to the Analysis of Food Samples
by Dugo, P and Kumm, T and Cacciola, F and Dugo, G and Mondello, L
Journal of Liquid Chromatography & Related Technologies, ISSN 1082-6076, 06/2008, Volume 31, Issue 11-12, pp. 1758 - 1807
Nowadays, multidimensional techniques occupy an expanding niche in separation science, being strong evidence that one-dimensional systems are by themselves... 
LC × LC | Multidimensional separations | Off-line LC-LC | Liquid chromatography | On-line LC-LC | Food analysis | LC x LC | multidimensional separations | FATTY ACYL RESIDUES | CHEMISTRY, ANALYTICAL | REVERSED-PHASE CHROMATOGRAPHY | PHENOLIC-COMPOUNDS | BIOCHEMICAL RESEARCH METHODS | MEAT-PRODUCTS | liquid chromatography | on-line LC-LC | food analysis | GRADIENT ION-EXCHANGE | SOYBEAN PROTEINS | SILVER-ION | ULTRAVIOLET DETECTION METHODS | off-line LC-LC | IONIZATION MASS-SPECTROMETRY | ELECTROSPRAY-IONIZATION
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14. Full Text Comparison of donor–acceptor and alumina columns for the clean-up of polycyclic aromatic hydrocarbons from edible oils
by Barranco, Alejandro and Alonso-Salces, Rosa M and Corta, E and Berrueta, Luis A and Gallo, Blanca and Vicente, Francisca and Sarobe, Martin
Food Chemistry, ISSN 0308-8146, 2004, Volume 86, Issue 3, pp. 465 - 474
Two methods for clean-up and sample enrichment for the analysis of polycyclic aromatic hydrocarbons (PAHs) in edible oils are compared; a clean-up based on a... 
Off-line LC-LC | DACC | Edible oils | Polycyclic aromatic hydrocarbons | HPLC | Lipids clean-up | FOOD SCIENCE & TECHNOLOGY | lipids clean-up | polycyclic aromatic hydrocarbons | edible oils | NUTRITION & DIETETICS | LIQUID-CHROMATOGRAPHY | VEGETABLE-OILS | DIET | off-line LC-LC | FATS | CHEMISTRY, APPLIED
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15. Full Text Comparison of two sample clean‐up methodologies for the determination of polycyclic aromatic hydrocarbons in edible oils
by Barranco, Alejandro and Alonso‐Salces, Rosa M and Berrueta, Luis A and Gallo, Blanca and Vicente, Francisca and Sarobe, Martin
Journal of Separation Science, ISSN 1615-9306, 11/2003, Volume 26, Issue 17, pp. 1554 - 1562
An off‐line high‐performance normal‐phase liquid chromatography procedure with a silica column followed by reversed‐phase high‐performance liquid... 
Off‐line LC‐LC | Edible oils | Polycyclic aromatic hydrocarbons (PAHs) | Lipid clean‐up | HPLC | Lipid clean-up | Off-line LC-LC | CHEMISTRY, ANALYTICAL | SEDIMENTS | OLIVE OILS | CONTAMINATION | edible oils | polycyclic aromatic hydrocarbons (PAHs) | VEGETABLE-OILS | DIET | off-line LC-LC | PAHS | FATS | lipid clean-up | BENZO(A)PYRENE
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16. Full Text Off‐Line LC‐LC Determination of PAHs in Edible Oils and Lipidic Extracts
by Moret, Sabrina and Conte, Lanfranco S
Journal of High Resolution Chromatography, ISSN 0935-6304, 04/1998, Volume 21, Issue 4, pp. 253 - 257
Edible oils | lipids in foods | HPLC | Polycyclic Aromatic Hydrocarbons (PAHs) | off line LC‐LC | Off line LC-LC | Lipids in foods | CHEMISTRY, ANALYTICAL | offline LC-LC | LIQUID-CHROMATOGRAPHY | FAT
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