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1. Advances in cell membrane chromatography

Author:
Ma, Weina; Wang, Cheng; Liu, Rui; Wang, Nan; Lv, Yanni; Dai, Bingling; He, Langchong
Source:
Journal of chromatography 2021 v.1639 pp. 461916
ISSN:
0021-9673
Subject:
high performance liquid chromatography,   etc   ; biomimetics; cell membranes; cytokines; ligands;     Show all 5 Subjects
Abstract:
... Cell membrane chromatography (CMC) is a biomimetic chromatographic method based on the ability of membrane receptors to selectively interact with their ligands in vivo. Using membrane receptors as a stationary phase, the CMC method helps in determining the binding characteristics between ligands and membrane receptors and in efficiently identifying specific target components in a complex sample th ...
DOI:
10.1016/j.chroma.2021.461916

2. Simple and sensitive quantification of glutathione hydropersulfide alkylated using iodoacetamide by high-performance liquid chromatography with post-column derivatization

Author:
Nagai, Seiya; Koshiishi, Ichiro
Source:
Journal of chromatography 2021 v.1163 pp. 122516
ISSN:
1570-0232
Subject:
high performance liquid chromatography,   etc   ; alkylation agents; derivatization; glutathione; oxidation; sulfur;     Show all 6 Subjects
Abstract:
... A novel analytical method was developed for the quantification of glutathione hydropersulfide (G-SSH) in biological samples by high-performance liquid chromatography (HPLC) with post-column derivatization. G-SSH was treated with iodoacetamide as an alkylating agent for 5 min at 37 °C, and the resultant acetamide-labeled G-SSH (G-SS-acetamide) was subjected to HPLC. After separation on a reversed-p ...
DOI:
10.1016/j.jchromb.2020.122516

3. Effects of ethylene oxide chain length on crystallization of polysorbate 80 and its related compounds

Author:
Lind, Tania K.; Nilsson, Emelie J.; Wyler, Benjamin; Scherer, Dieter; Skansberger, Tatyana; Morin, Maxim; Kocherbitov, Vitaly; Engblom, Johan
Source:
Journal of colloid and interface science 2021 v.592 pp. 468-484
ISSN:
0021-9797
Subject:
high performance liquid chromatography,   etc   ; X-ray diffraction; crystallization; desorption; ethoxylation; ethylene oxide; polysorbates; sorbitol;     Show all 8 Subjects
Abstract:
... As a result of the synthesis protocol polyoxyethylene sorbitan monooleate (polysorbate 80, PS80) is a highly complex mixture of compounds. PS80 was therefore separated into its main constituents, e.g. polyoxyethylene isosorbide esters and polyoxyethylene esters, as well as mono- di- and polyesters using preparative high-performance liquid chromatography. In this comprehensive study the individual ...
DOI:
10.1016/j.jcis.2021.01.065

4. HPLC-DAD fingerprints combined with chemometric techniques for the authentication of plucking seasons of Laoshan green tea

Author:
Peng, Tian-Qin; Yin, Xiao-Li; Gu, Hui-Wen; Sun, Weiqing; Ding, Baomiao; Hu, Xian-Chun; Ma, Li-An; Wei, Shu-Dong; Liu, Zhi; Ye, Shi-Yi
Source:
Food chemistry 2021 v.347 pp. 128959
ISSN:
0308-8146
Subject:
high performance liquid chromatography,   etc   ; autumn; chemometrics; food chemistry; green tea; models; principal component analysis; summer;     Show all 8 Subjects
Abstract:
... Laoshan green teas plucked in summer and autumn were measured by high performance liquid chromatography-diode array detector (HPLC-DAD). After baseline correction, the fingerprints data were resolved by multivariate curve resolution-alternating least squares (MCR-ALS) and a total of 57 components were acquired. Relative concentrations of these components were afterwards applied to distinguish pluc ...
DOI:
10.1016/j.foodchem.2020.128959

5. Simultaneous determination of eight tryptic peptides in musk using high-performance liquid chromatography coupled with tandem mass spectrometry

Author:
Liu, Wenjing; Yu, Juan; Li, Wei; Jiang, Zhenzhen; Li, Ting; Cao, Libo; Tu, Pengfei; Li, Jun; Song, Yuelin
Source:
Journal of chromatography 2021 v.1171 pp. 122624
ISSN:
1570-0232
Subject:
high performance liquid chromatography,   etc   ; chemical species; data collection; databases; digestion; humans; synthetic peptides; tandem mass spectrometry;     Show all 8 Subjects
Abstract:
... In comparison of herbal medicines, less attention has been paid onto animal medicines, partially attributing to the protein-enriched property. Particularly, it is still challenging to conduct quality evaluation for the animal medicines because of the lack of a fit-for-purpose analytical tool. Herein, an attempt was made to propose a workflow allowing the quality assessment of animal medicines by L ...
DOI:
10.1016/j.jchromb.2021.122624

6. The development and validation of a high performance liquid chromatography method to determine the radiochemical purity of [177Lu]Lu-HA-DOTA-TATE in pharmaceutical preparations

Author:
van Andel, L.; Aalbersberg, E.A.; Geluk-Jonker, M.M.; Stokkel, M.P.M.; Beijnen, J.H.; Hendrikx, J.J.M.A.
Source:
Journal of chromatography 2021 v.1171 pp. 122605
ISSN:
1570-0232
Subject:
high performance liquid chromatography,   etc   ; ligands; peptide receptors; quality control; signal-to-noise ratio; therapeutics;     Show all 6 Subjects
Abstract:
... Lutetium-177 [¹⁷⁷Lu] tetra-azacyclododecanetetra-acetic acid [DOTA]-(Tyr3)-octreotate [TATE] ([¹⁷⁷Lu]Lu-DOTA-TATE) is a radiopeptide used for peptide receptor radionuclide therapy in patients with neuroendocrine tumours (NETs). This radiopeptide is made by labelling the ligand octreotate with Lutetium-177 using the linker DOTA. After labelling, and before clinical application quality control of th ...
DOI:
10.1016/j.jchromb.2021.122605

7. Two-dimensional self-assembled Au-Ag core-shell nanorods nanoarray for sensitive detection of thiram in apple using surface-enhanced Raman spectroscopy

Author:
Pu, Hongbin; Huang, Zhibin; Xu, Fang; Sun, Da-Wen
Source:
Food chemistry 2021 v.343 pp. 128548
ISSN:
0308-8146
Subject:
high performance liquid chromatography,   etc   ; Raman spectroscopy; ambient temperature; apples; detection limit; food chemistry; nanorods; reproducibility; thiram;     Show all 9 Subjects
Abstract:
... The development of substrate with high sensitivity and good reproducibility for surface-enhanced Raman scattering (SERS) detection of contaminants in foods has attracted more and more attention. Herein, a stable two-dimensional (2D) Au-Ag core–shell nanorods (Au@Ag NRs) nanoarray substrate with high-performance SERS activity was developed based on interface self-assembly strategy and successfully ...
DOI:
10.1016/j.foodchem.2020.128548

8. Quantitation of Vitamin K in Milk Products by Pre-column Reduction HPLC–Fluorescence

Author:
Indyk, Harvey E.; Gill, Brendon D.; Wei, Shane; Harvey, Lisa; Woollard, David C.
Source:
Food analytical methods 2021 v.14 no.5 pp. 984-988
ISSN:
1936-9751
Subject:
high performance liquid chromatography,   etc   ; compliance; databases; fluorescence; food composition; infant formulas; milk; vitamin K; zinc;     Show all 9 Subjects
Abstract:
... Vitamin K is a dietary component that, as a cofactor, has critically important physiological roles in the body. As it is present in milk at very low levels, it is fortified at higher levels in paediatric milk-based formulae. Currently, the predominant analytical strategy for both food database surveys and routine compliance testing is high-performance liquid chromatography with post-column zinc re ...
DOI:
10.1007/s12161-020-01922-0

9. Rapid size-exclusion high performance liquid chromatography method for the quality control of amyloid-β oligomers

Author:
Fontana, Igor Camargo; Ferreira, Pâmela Cristina Lukasewicz; Miron, Diogo; Santos, Luis Eduardo; Ferreira, Sergio T.; Souza, Diogo Onofre; Gosmann, Grace; Zimmer, Eduardo R.; Zimmer, Aline Rigon
Source:
Journal of chromatography 2021 v.1643 pp. 462024
ISSN:
0021-9673
Subject:
high performance liquid chromatography,   etc   ; ; Alzheimer disease; cognitive disorders; fluorescence; metabolic diseases; neurotoxicity; quality control;     Show all 8 Subjects
Abstract:
... Amyloid-β (Aβ) dysmetabolism is thought to be the main trigger for neurodegenerative events in Alzheimer's disease (AD). In particular, soluble Aβ oligomers (AβOs) are proposed as key mediators of synaptic and cognitive dysfunction in AD. Over the past few decades, AβOs prepared from synthetic Aβ have been widely applied in vitro and in vivo, the so-called chemical models of AD, uncovering their m ...
DOI:
10.1016/j.chroma.2021.462024

10. Separation and quantification of 2-keto-3-deoxy-gluconate (KDG) a major metabolite in pectin and alginate degradation pathways

Author:
Martis B, Shiny; Droux, Michel; Deboudard, Florelle; Nasser, William; Meyer, Sam; Reverchon, Sylvie
Source:
Analytical biochemistry 2021 v.619 pp. 114061
ISSN:
0003-2697
Subject:
high performance liquid chromatography,   etc   ; acetonitrile; alginates; degradation; derivatization; detection; fluorescence; fuel production; metabolites; pectins; photometry; separation;     Show all 12 Subjects
Abstract:
... A rapid and sensitive High Performance Liquid Chromatography (HPLC) method with photometric and fluorescence detection is developed for routine analysis of 2-Keto-3-deoxy-gluconate (KDG), a catabolite product of pectin and alginate. These polysaccharides are primary-based compounds for biofuel production and for generation of high-value-added products. HPLC is performed, after derivatization of th ...
DOI:
10.1016/j.ab.2020.114061

11. Using Hybrid Organic–Inorganic Surface Technology to Mitigate Analyte Interactions with Metal Surfaces in UHPLC

Author:
DeLano, Mathew; Walter, Thomas H.; Lauber, Matthew A.; Gilar, Martin; Jung, Moon Chul; Nguyen, Jennifer M.; Boissel, Cheryl; Patel, Amit V.; Bates-Harrison, Andrew; Wyndham, Kevin D.
Source:
Analytical chemistry 2021 v.93 no.14 pp. 5773-5781
ISSN:
1520-6882
Subject:
high performance liquid chromatography,   etc   ; adsorption; analytical chemistry; chemical species; hydrophilic interaction chromatography; mass spectrometry; oligonucleotides; phosphopeptides;     Show all 8 Subjects
Abstract:
... Interactions of analytes with metal surfaces in high-performance liquid chromatography (HPLC) instruments and columns have been reported to cause deleterious effects ranging from peak tailing to a complete loss of the analyte signal. These effects are due to the adsorption of certain analytes on the metal oxide layer on the surface of the metal components. We have developed a novel surface modific ...
DOI:
10.1021/acs.analchem.0c05203

12. Synergic cloud-point extraction using [C4mim][PF6] and Triton X-114 as extractant combined with HPLC for the determination of rutin and narcissoside in Anoectochilus roxburghii (Wall.) Lindl. and its compound oral liquid

Author:
Xu, Xiaowen; Huang, Lingyi; Wu, Youjia; Yang, Lijuan; Huang, Liying
Source:
Journal of chromatography 2021 v.1168 pp. 122589
ISSN:
1570-0232
Subject:
high performance liquid chromatography,   etc   ; Anoectochilus roxburghii; Oriental traditional medicine; chemical species; liquids; pH; rutin; temperature;     Show all 8 Subjects
Abstract:
... A green, novel and efficacious method for the simultaneous extraction and enrichment of rutin and narcissoside from the compound Anoectochilus roxburghii (Wall.) Lindl. oral liquid (CAROL) and Anoectochilus roxburghii (Wall.) Lindl. was developed. Ionic liquid-surfactant synergic cloud-point extraction (IL-CPE) was used to enrich two analytes, which were determined by high-performance liquid chrom ...
DOI:
10.1016/j.jchromb.2021.122589

13. Comparison of Analytical Methods for the Rapid Determination of Melatonin in Food Supplements

Author:
Barreiro Astray, Sandra; Barbosa-Pereira, Letricia; Lage-Yusty, María Asunción; López-Hernández, Julia
Source:
Food analytical methods 2021 v.14 no.4 pp. 734-741
ISSN:
1936-9751
Subject:
high performance liquid chromatography,   etc   ; data collection; fluorescence; fluorescence emission spectroscopy; markets; melatonin; pineal body; wavelengths;     Show all 8 Subjects
Abstract:
... Melatonin is a hormone produced by the pineal gland and extra-pineal tissues with chronobiotic effects that can alter the circadian rhythms, among other health benefits. This study intended to compare two different methods, high-performance liquid chromatography coupled to a variable wavelength detector plus a fluorescence detector (HPLC-VWD-FLD) and constant-wavelength synchronous spectrofluorime ...
DOI:
10.1007/s12161-020-01912-2

14. New approach for barrel-aged distillates classification based on maturation level and machine learning: A study of cachaça

Author:
Silvello, Giovanni Casagrande; Bortoletto, Aline Marques; de Castro, Mariana Costa; Alcarde, André Ricardo
Source:
Lebensmittel-Wissenschaft + [i.e. und] Technologie 2021 v.140 pp. 110836
ISSN:
0023-6438
Subject:
high performance liquid chromatography,   etc   ; distilled spirits; prediction; principal component analysis; regression analysis; wood;     Show all 6 Subjects
Abstract:
... The evolution of distillate beverages during the aging process in wooden barrels is related to the extraction and transformation of wood compounds. Even though time is an important factor for the quality of distillates, other attributes concerning wooden barrel features such as wood species, internal toast, and previous use are of paramount importance to confer maturation characteristics to the be ...
DOI:
10.1016/j.lwt.2020.110836

15. Reduction of the extra-column band dispersion by a slow transport and splitting of a sample band in isocratic reversed-phase liquid chromatography

Author:
Terada, Hidetoshi; Kuroda, Ikuma; Uzu, Hideyuki; Ohira, Masayoshi; Yoshikawa, Kohei; Furuno, Masahiro; Fukusaki, Eiichiro; Tanaka, Nobuo
Source:
Journal of chromatography 2021 v.1641 pp. 461996
ISSN:
0021-9673
Subject:
reversed-phase high performance liquid chromatography,   etc   ; reversed-phase liquid chromatography; variance;     Show all 3 Subjects
Abstract:
... Sample introduction method was studied to reduce the extra-column effect in reversed-phase HPLC. Slow transport of a sample band (SToSB) in the pre-column space followed by the introduction of the band into the column at a near-optimum flow rate resulted in larger plate counts for a 1.0 mmID, 5 cm long column as much as 1.4-1.6 times for solutes with a retention factor (k) of 0.5-1.8 compared to a ...
DOI:
10.1016/j.chroma.2021.461996

16. Water stress increased the flavonoid content in tannin-free sorghum grains

Author:
Pinheiro, Soraia Silva; de Morais Cardoso, Leandro; Anunciação, Pamella Cristine; de Menezes, Cícero Bezerra; Vieira Queiroz, Valéria Aparecida; Martino, Hércia Stampini Duarte; Della Lucia, Ceres Mattos; Pinheiro Sant’Ana, Helena Maria
Source:
Journal of food composition and analysis 2021 pp. 103892
ISSN:
0889-1575
Subject:
high performance liquid chromatography,   etc   ; diodes; flavanones; flavones; food composition; genotype; water stress;     Show all 7 Subjects
Abstract:
... The effect of water stress on the profile of flavonoids was evaluated in three tannin-containing (SC115, SC60, and SC720) and in three tannin-free (B.Tx635, SA 5330-MARTIN, and SC373) sorghum genotypes. Flavones, flavanones and 3-deoxyanthocyanidins were analyzed by high-performance liquid chromatography with diode array detection. The water stress x genotype interaction increased the sorghum flav ...
DOI:
10.1016/j.jfca.2021.103892

17. Fabrication of carboxyl functionalized microporous organic network coated stir bar for efficient extraction and analysis of phenylurea herbicides in food and water samples

Author:
Han, Jun-Hua; Cui, Yuan-Yuan; He, Xin-Qiao; Zhang, Yan; Yang, Cheng-Xiong
Source:
Journal of chromatography 2021 v.1640 pp. 461947
ISSN:
0021-9673
Subject:
high performance liquid chromatography,   etc   ; adsorbents; chemical species; hydrogen; porous media; surface area;     Show all 6 Subjects
Abstract:
... Fabrication of novel coatings continues to be an area of great interest and significance in the development and application of stir bar sorptive extraction (SBSE). In this work, a carboxyl-enriched microporous organic network (MON-2COOH) coated stir bar was designed and fabricated as a novel adsorbent for efficient extraction of four phenylurea herbicides (PUHs) before their determination by high- ...
DOI:
10.1016/j.chroma.2021.461947

18. Biochemical evidence for a quantitative polymorphism at the αS1- and κ-CN loci in Italian Mediterranean buffalo milk

Author:
la Gatta, Barbara; Rutigliano, Mariacinzia; Rusco, Giusy; Gagliardi, Rosa; Di Luccia, Aldo
Source:
International dairy journal 2021 pp. 105060
ISSN:
0958-6946
Subject:
high performance liquid chromatography,   etc   ; buffalo milk; haplotypes; heterozygosity; phenotype; protein secretion;     Show all 6 Subjects
Abstract:
... The application of reversed phase high performance liquid chromatography for the analysis of 116 Italian Mediterranean buffalo milk samples allowed us to find a non-allelic polymorphism at the level of αS₁-CN and κ-CN loci. Duplicated and triplicate haplotypes were revealed by different proportions in the heterozygous forms of the A and B αS₁-CN alleles and of κ-CN T (X1) and I (X2) alleles. Chrom ...
DOI:
10.1016/j.idairyj.2021.105060

19. Facile Way to Prepare a Porous Molecular Imprinting Lock for Specifically Recognizing Oxytetracyclin Based on Coordination

Author:
Zhang, Yi; Xie, Yang; Shi, Haizhu; Wu, Zhaoju; Zhang, Chungu; Feng, Shun
Source:
Analytical chemistry 2021 v.93 no.10 pp. 4536-4541
ISSN:
1520-6882
Subject:
high performance liquid chromatography,   etc   ; adsorption; emulsions; liver; magnetism; molecular imprinting; polymers; pork;     Show all 8 Subjects
Abstract:
... Molecularly imprinted polymers (MIPs) are a kind of synthetic receptor-like materials. They have drawn more and more attention in the past decades. In this work, a facile method was developed to prepare porous magnetic MIPs utilizing metal coordination. The preparation is simply done using conventional oil-in-water emulsifier-free emulsion technology by mixing poly(styrene-co-itaconic acid), oxyte ...
DOI:
10.1021/acs.analchem.0c04959

20. Application of the Box–Behnken experimental design for the extraction of phenolic compounds from araçá‐roxo (Psidium myrtoides)

Author:
Stéphanie Martins de Freitas, Thainá; Menezes de Rodrigues, Giovana; Matta Fakhouri, Farayde; da Silva, Camila; Andréa Lima Cardoso, Claudia; Ignacio Velasco, José; Tostes Filgueiras, Cristina; Augusto dos Santos Garcia, Vitor
Source:
Journal of food processing and preservation 2021 v.45 no.3 pp. e15260
ISSN:
0145-8892
Subject:
high performance liquid chromatography,   etc   ; Psidium; anthocyanins; carotenoids; ethanol; experimental design; food industry; pulp; solvents; temperature; ultrasonics;     Show all 11 Subjects
Abstract:
... The purpose of this study was to investigate the bioactive compounds of araçá‐roxo by applying the Box–Behnken experimental design to evaluate the effect of temperature, time, and ethanol concentration on the extraction of phenolic compounds. The three variables evaluated significantly affected (p < .05) the extraction, and temperature proved to be the most influential variable. The optimum condit ...
DOI:
10.1111/jfpp.15260