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1. Functionalized nanomaterials in dispersive solid phase extraction: Advances & prospects

Author:
Büyüktiryaki, Sibel; Keçili, Rüstem; Hussain, Chaudhery Mustansar
Source:
Trends in analytical chemistry 2020 v.127 pp. 115893
ISSN:
0165-9936
Subject:
solid phase extraction,   etc   ; nanomaterials; surface area;     Show all 3 Subjects
Abstract:
... Because of the limited performance of conventional bulk-scale materials, the development of novel materials in nanoscale with enhanced properties has attracted increasing great attention of research from different fields of science. Significance progresses were made in nanotechnology and nanoscience in the past years. Compared with conventional materials, nanomaterials possess large surface area t ...
DOI:
10.1016/j.trac.2020.115893

2. Nanomaterials in speciation analysis of metals and metalloids

Author:
Pyrzynska, Krystyna
Source:
Talanta 2020 v.212 pp. 120784
ISSN:
0039-9140
Subject:
solid phase extraction,   etc   ; antimony; arsenic; chromium; microextraction; nanoparticles; polymers; silica;     Show all 8 Subjects
Abstract:
... Nanomaterials have draw extensive attention from the scientists in recent years mainly due to their unique and attractive thermal, mechanical and electronic properties, as well as high surface to volume ratio and the possibility for surface functionalization. Whereas mono functional nanomaterials providing a single function, the preparation of core/shell nanoparticles allows different properties t ...
DOI:
10.1016/j.talanta.2020.120784

3. Overview of nanosorbents used in solid phase extraction techniques for the monitoring of emerging organic contaminants in water and wastewater samples

Author:
Nouri, Nina; Khorram, Parisa; Duman, Osman; Sibel, Tunç; Hassan, Sereshti
Source:
Trends in environmental analytical chemistry 2020 v.25 pp. e00081
ISSN:
2214-1588
Subject:
solid phase extraction,   etc   ; monitoring; nanomaterials; wastewater; water pollution;     Show all 5 Subjects
Abstract:
... In this article, we have critically overviewed some interesting articles published in 2015–2019 about the use of the nanosorbents for the extraction of emerging organic contaminants (EOCs) from various environmental samples. Properties, advantages, disadvantages, and the applicability of different categories of nanosorbents used for the extraction of EOCs are evaluated and discussed. The potential ...
DOI:
10.1016/j.teac.2020.e00081

4. Automated on-line packed fiber solid phase extraction for determination of urinary catecholamines

Author:
Chen, LiQin; Tang, Yi; Xu, Bei; Xu, Zhen; Shen, Jun; Zhang, WanQi
Source:
Journal of chromatography 2020 v.1139 pp. 121983
ISSN:
1570-0232
Subject:
solid phase extraction,   etc   ; automation; catecholamines; chromatography; nanofibers; urine;     Show all 6 Subjects
Abstract:
... Despite the development of an off-line packed fiber solid phase extraction procedure (PFSPE) for urinary catecholamines, automation remains a challenge. Here, we propose an on-line PFSPE-HPLC procedure for automated sample processing and analysis of urinary catecholamines, with good recovery and precision, to avoid manual operation errors. The on-line PFSPE-HPLC procedure has been thoroughly optim ...
DOI:
10.1016/j.jchromb.2020.121983

5. Novel sample preparation approaches in gas chromatographic analysis: Promising ideas

Author:
Vyviurska, Olga; Špánik, Ivan
Source:
Journal of separation science 2020 v.43 no.1 pp. 174-188
ISSN:
1615-9306
Subject:
solid phase extraction,   etc   ; gas chromatography; liquid-liquid extraction;     Show all 3 Subjects
Abstract:
... The development of sample preparation procedures is still a dynamic process despite a number of already proposed techniques. The main challenge in this research field is to fully replace classical procedures like liquid‐liquid extraction and solid‐phase extraction in gas chromatographic analysis. Some progress has been already achieved for the last 20 years when miniaturized techniques were incorp ...
DOI:
10.1002/jssc.201900685

6. Rapid detection of sulfamethoxazole in plasma and food samples with in-syringe membrane SPE coupled with solid-phase fluorescence spectrometry

Author:
Li, Long; Zhu, Ying; Zhang, Feiyu; Li, Hui; Iqbal, Jibran; Wu, Ting; Du, Yiping
Source:
Food chemistry 2020 v.320 pp. 126612
ISSN:
0308-8146
Subject:
solid phase extraction,   etc   ; eggs; fluorescence emission spectroscopy; liquid chromatography; milk; rapid methods; sulfamethoxazole; syringes;     Show all 8 Subjects
Abstract:
... In this work, in-syringe membrane solid-phase extraction (MSPE) device was fabricated for the on-site sampling of sulfamethoxazole (SMX) in food samples followed by solid-phase fluorescence spectra analysis. The samples and fluorescamine (FA) were added to a syringe for derivation. Then, the derivative of SMX was extracted by a membrane in the syringe SPE device. Subsequently, the derivative on th ...
DOI:
10.1016/j.foodchem.2020.126612

7. A new approach of specific determination for 6-chlorobenzo[a]pyrene and 7-chlorobenzo[a]anthracene in six different oils

Author:
Yan, Kai; Wu, Shimin; Gong, Guangyi; Sun, Yaqing
Source:
Food chemistry 2020 v.316 pp. 126344
ISSN:
0308-8146
Subject:
solid phase extraction,   etc   ; anthracenes; frying oil; liquid-liquid extraction; peanut oil; wastes;     Show all 6 Subjects
Abstract:
... This study developed a new method for analysing 6-ClBaP and 7-ClBaA in six oil samples using liquid-liquid extraction and solid-phase extraction followed by GC-QQQ-MS. The recoveries of 6-ClBaP and 7-ClBaA were 44.26 ± 2.81% and 92.61 ± 4.09%, respectively. Both the instrument and method LODs were lower than 0.2 μg kg⁻¹, while the intra-day and inter-day RSD were less than 5%. Five waste frying oi ...
DOI:
10.1016/j.foodchem.2020.126344

8. The effects of ultrasound assisted extraction on yield, antioxidant, anticancer and antimicrobial activity of polyphenol extracts: A review

Author:
Dzah, Courage Sedem; Duan, Yuqing; Zhang, Haihui; Wen, Chaoting; Zhang, Jixian; Chen, Guangying; Ma, Haile
Source:
Food bioscience 2020 v.35 pp. 100547
ISSN:
2212-4292
Subject:
solid phase extraction,   etc   ; antimicrobial properties; hydroxyl radicals; maceration; polyphenols; solvents; temperature; ultrasonics; water content;     Show all 9 Subjects
Abstract:
... Ultrasound assisted extraction (UAE) is widely used in recent times for its benefits, but it is difficult to find literature that comprehensively addresses the effect of UAE-specific parameters such as temperature, frequency, power, solvent type, and solvent to material ratio on extracted compounds and their functionality. There is no review done so far on the effects of all UAE parameters on poly ...
DOI:
10.1016/j.fbio.2020.100547

9. Efficient solid phase extraction of α-tocopherol and β-sitosterol from sunflower oil waste by improving the mesoporosity of the zeolitic adsorbent

Author:
Karaoglu, Oznur; Alpdogan, Guzin; Zor, Sule Dinc; Bildirir, Hakan; Ertas, Erdal
Source:
Food chemistry 2020 v.311 pp. 125890
ISSN:
0308-8146
Subject:
solid phase extraction,   etc   ; adsorbents; alpha-tocopherol; beta-sitosterol; porosity; recycling; sunflower oil; wastes; zeolites;     Show all 9 Subjects
Abstract:
... The recovery of α-tocopherol and β-sitosterol from the deodorizer distillate of sunflower oil using solid phase extraction is reported. Performance of the silicon-rich and inexpensive zeolite, ZSM-5, and its modified versions were compared as adsorbents. Modifications of the zeolite frame were performed under both acidic and basic conditions to desilicate and dealuminate the parent ZSM-5. Base tre ...
DOI:
10.1016/j.foodchem.2019.125890

10. Simultaneous extraction of four plant growth regulators residues in vegetable samples using solid phase extraction based on thiol-functionalized nanofibers mat

Author:
Cao, Jiankun; Li, Ruixian; Liang, Sihui; Li, Jian; Xu, Qian; Wang, Chunmin
Source:
Food chemistry 2020 v.310 pp. 125859
ISSN:
0308-8146
Subject:
solid phase extraction,   etc   ; adsorbents; adsorption; nanofibers; plant growth substances; polyacrylonitrile; vegetables;     Show all 7 Subjects
Abstract:
... A simple and environmentally friendly sample pretreatment method was established for extraction of four plant growth regulators (PGRs) residues in vegetable samples. In order to effectively extract targets from complex sample matrices, three types of polar groups (COOH, NH2, or SH) functionalized polyacrylonitrile nanofibers mats (PAN NFsM) were prepared and evaluated, respectively. The superior - ...
DOI:
10.1016/j.foodchem.2019.125859

11. An automated solid phase extraction procedure for lipid biomarker purification and stable isotope analysis

Author:
Rach, Oliver; Hadeen, Xennophone; Sachse, Dirk
Source:
Organic geochemistry 2020 v.142 pp. 103995
ISSN:
0146-6380
Subject:
solid phase extraction,   etc   ; alkanes; automation; biomarkers; drugs; hydrogen; isotope labeling; lipids; medicine; paleoclimatology; soil; stable isotopes;     Show all 12 Subjects
Abstract:
... Effective recovery and high purity of lipid biomarkers are essential for compound-specific stable isotope analysis in a variety of fields ranging from hydrocarbon research, paleoclimatology, food and drug analysis and medicine. Solid-phase extraction (SPE) is the most common method for purifying organic compounds from complex mixtures. SPE constitutes the most labor-intensive part of laboratory wo ...
DOI:
10.1016/j.orggeochem.2020.103995

12. Methodology for Analysis of UV Filters in Tilapia Using Off-line MSPD Followed by On-line SPE–LC/UV

Author:
Olmos-Espejel, José J.; Mogica-García, Óscar E.; Duran-Gasca, Gerson J.; Carmona-López, Magaly L.
Source:
Chromatographia 2020 v.83 no.4 pp. 523-530
ISSN:
0009-5893
Subject:
solid phase extraction,   etc   ; UV filters; camphor; liquid chromatography; muscles; standard deviation;     Show all 6 Subjects
Abstract:
... A sensitive method was developed and validated for the determination of UV filters (oxybenzone, octocrylene, 4-methyl-benzylidene camphor, 2-ethylhexyl-4-methoxycinnamate and avobenzone) in tilapia muscle using matrix solid-phase dispersion followed by on-line solid-phase extraction–liquid chromatography/UV. The validation showed good linearity from 100 to 3600 ng g⁻¹ with r² values > 0.98. Precis ...
DOI:
10.1007/s10337-020-03867-2

13. Peristaltic pump-assisted zirconium nanoparticle-based pipette-tip solid phase extraction for the determination of cobalt by slotted quartz tube-flame atomic absorption spectrophotometry

Author:
Tekin, Zeynep; Borahan, Tülay; Özdoğan, Nizamettin; Bakırdere, Sezgin
Source:
Analytical methods 2020 v.12 no.9 pp. 1244-1249
ISSN:
1759-9679
Subject:
solid phase extraction,   etc   ; adsorbents; atomic absorption spectrometry; cobalt; detection limit; nanoparticles; pH; quartz; soil sampling; zirconium;     Show all 10 Subjects
Abstract:
... In this work, a novel, efficient, simple and green solid phase extraction (SPE) method based on a pipette tip filled with zirconium nanoparticles (Zr-NPs) was developed for the sensitive determination of cobalt in soil samples via slotted quartz tube-flame atomic absorption spectrophotometry (SQT-FAAS). Zirconium nanoparticles providing repeatable and reproducible signals of the analyte were synth ...
DOI:
10.1039/c9ay02762a

14. Determination of fats, oils and greases in food service establishment wastewater using a modification of the Gerber method

Author:
Gurd, C.; Jefferson, B.; Villa, R.; De Castro Rodriguez, C.
Source:
Water and environment journal 2020 v.34 no.1 pp. 5-13
ISSN:
1747-6585
Subject:
solid phase extraction,   etc   ; dairy industry; detergents; emulsifying; food service; lipids; oils; surfactants; wastewater;     Show all 9 Subjects
Abstract:
... Discharges from food service establishments (FSEs) are a major source of fat, oil and grease (FOG) which cause blockages in sewer networks. Previous research has identified that current methods are unsuitable for quantifying FOG in FSE wastewater owing to interference from surfactants in detergents, and protein from food residuals which emulsify FOG. A novel quantification method, based on the dai ...
DOI:
10.1111/wej.12431

15. Computational design of a molecularly imprinted polymer compatible with an aqueous environment for solid phase extraction of chenodeoxycholic acid

Author:
Yu, Xue; Zeng, Hainan; Wan, Junfen; Cao, Xuejun
Source:
Journal of chromatography 2020 v.1609 pp. 460490
ISSN:
0021-9673
Subject:
solid phase extraction,   etc   ; adsorbents; adsorption; bile; chenodeoxycholic acid; chromatography; hydrophilicity; microparticles; models; molecular imprinting; polyethylene glycol;     Show all 11 Subjects
Abstract:
... The main problem of poor water compatibility of molecularly imprinted polymers (MIPs) has been addressed in this study. A new facile and highly efficient approach was developed to obtain well-defined hydrophilic molecularly imprinted polymer microsphere with excellent specific recognition ability toward Chenodeoxycholic acid (CDCA) in crude bile. Particularly, it involved computational modeling to ...
DOI:
10.1016/j.chroma.2019.460490

16. Mixed-mode ion-exchange polymeric sorbents in environmental analysis

Author:
Fontanals, Núria; Borrull, Francesc; Marcé, Rosa Maria
Source:
Journal of chromatography 2020 v.1609 pp. 460531
ISSN:
0021-9673
Subject:
solid phase extraction,   etc   ; chromatography; environmental assessment; ion exchange; liquids; polymers; sorbents;     Show all 7 Subjects
Abstract:
... When determining contaminants from environmental samples, sample treatment plays an important role. Among the different extraction techniques available, solid-phase extraction (SPE) has been commonly used for liquid samples, as well as for solid samples after an extraction technique amenable for solids. The broad applicability of SPE is attributed to the availability of different sorbents. Among t ...
DOI:
10.1016/j.chroma.2019.460531

17. A method for determination of acetaldehyde in bottled waters and the effect of time and temperature on concentrations

Author:
Nisar, Jan; Ali, Ghulam; Iqbal, Munawar; Shah, Afzal; Shah, Muhammad Raza; Sirajuddin,; Khan, Rafaqat Ali; Shah, Faheem; Bhatti, Haq Nawaz; Mahmood, Tariq
Source:
International journal of environmental analytical chemistry 2020 v.100 no.1 pp. 55-64
ISSN:
1029-0397
Subject:
solid phase extraction,   etc   ; acetaldehyde; bottled water; bottles; gas chromatography; ionization; markets; polyethylene terephthalates; storage time; temperature;     Show all 10 Subjects
Abstract:
... Solid phase extraction (SPE) technique followed by gas chromatography (GC) coupled with flame ionisation detector was evaluated for the analysis of acetaldehyde concentration in water contained in polyethylene terephthalate (PET) bottles. Fifteen fresh samples of 1.5 L of different brands were collected from the local market and stored in the laboratory under controlled temperatures at 20°C, 30°C ...
DOI:
10.1080/03067319.2019.1630398

18. Magnetic Solid-Phase Extraction and Fluorimetric Determination of Some Fluoroquinolones

Author:
Egunova, O. R.; Reshetnikova, I. S.; Kazimirova, K. O.; Shtykov, S. N.
Source:
Journal of analytical chemistry 2020 v.75 no.1 pp. 24-33
ISSN:
1061-9348
Subject:
solid phase extraction,   etc   ; cations; cetyltrimethylammonium bromide; enrofloxacin; fluorometry; levofloxacin; magnetism; magnetite; nanoparticles; polyethyleneimine; river water; sorption;     Show all 12 Subjects
Abstract:
... An approach to estimating the concentration of fluoroquinolones based on their sorption and preconcentration by magnetic solid-phase extraction on magnetite nanoparticles modified with cetyltrime-thylammonium bromide cations (CTAB) or polyethyleneimine cationic polyelectrolyte (PEI), and the fluorimetric determination of these preparations is proposed. The optimal conditions for the modification o ...
DOI:
10.1134/S1061934820010062

19. Application of magnetic particles in forensic science

Author:
Liu, Cong; Wu, Shifan; Yan, Yibo; Dong, Ying; Shen, Xiantao; Huang, Chuixiu
Source:
Trends in analytical chemistry 2019 v.121 pp. 115674
ISSN:
0165-9936
Subject:
solid phase extraction,   etc   ; DNA; forensic sciences; proteins;     Show all 4 Subjects
Abstract:
... With the increasing demand of accurate and sensitive diagnosis for criminal investigation, magnetic particles (MPs) have attracted more and more attentions in forensic science due to their unique properties. This critical review briefly summarized the methodology to enhance the specificity of MPs and highlighted their recent applications in forensic science. After an introduction of MPs, we first ...
DOI:
10.1016/j.trac.2019.115674

20. Discussion: Automated filtration or really just solid phase extraction

Author:
Falenas, Freyjadour
Source:
Journal of chromatography 2019 v.1601 pp. 388-389
ISSN:
0021-9673
Subject:
solid phase extraction,   etc   ; automation; chromatography; filtration;     Show all 4 Subjects
Abstract:
... In this article, we discuss a recent publication by Casati et al. (2018) focusing on the sample preparation that is described for the analysis of phosphatidylethanols and whether or not their proposed method of ‘automated filtration’ and the advantages it brings is really just a standard solid phase extraction protocol. ...
DOI:
10.1016/j.chroma.2019.03.052