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You searched for: Journal Trends in analytical chemistry Remove constraint Journal: Trends in analytical chemistry Publication year rev 7980-2020 Remove constraint Publication year rev: 7980-2020 Source 2020 v.122 Remove constraint Source: 2020 v.122
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1. A prolegomena of periodate and peroxide chemiluminescence

Author:
Syed Niaz Ali Shah; Mashooq Khan; Zia Ur Rehman
Source:
Trends in analytical chemistry 2020 v.122 pp. 115722
ISSN:
0165-9936
Subject:
chemiluminescence; environmental assessment; labeling techniques; oxidation
Abstract:
... We discussed the trends, analytical applications and future directions of periodate-peroxide chemiluminescence (CL) systems. New strategies and developments have been discussed to improve the selectivity and sensitivity for applications in different areas such as pharmaceutical, clinical, food and environmental assessment. Moreover, a brief summary, the different mechanism in the presence of vario ...
DOI:
10.1016/j.trac.2019.115722

2. AIE-based energy transfer systems for biosensing, imaging, and therapeutics

Author:
Xuewen He; Ling-Hong Xiong; Yalan Huang; Zheng Zhao; Zaiyu Wang; Jacky Wing Yip Lam; Ryan Tsz Kin Kwok; Ben Zhong Tang
Source:
Trends in analytical chemistry 2020 v.122 pp. 115743
ISSN:
0165-9936
Subject:
absorption; analytical methods; animals; biochemical compounds; drugs; energy transfer; image analysis; monitoring; nanomaterials; photochemotherapy; photostability; tissues; wavelengths
Abstract:
... With the rapid development of optical tools, biosensing and imaging have deepened to analyze the molecule-level substrates in living systems. As a molecular-ruler, Förster resonance energy transfer (FRET)-based analytical methods could sensitively response to the tiny fluctuation of biomolecules and events with ultrahigh spatiotemporal resolution in living cells, tissues and animals. Luminogens wi ...
DOI:
10.1016/j.trac.2019.115743

3. Air–assisted liquid–liquid microextraction; principles and applications with analytical instruments

Author:
Mir Ali Farajzadeh; Ali Mohebbi; Azar Pazhohan; Mahboob Nemati; Mohammad Reza Afshar Mogaddam
Source:
Trends in analytical chemistry 2020 v.122 pp. 115734
ISSN:
0165-9936
Subject:
atomic absorption spectrometry; derivatization; gas chromatography; high performance liquid chromatography; ionic liquids; liquid-phase microextraction; surveys
Abstract:
... Air–assisted liquid–liquid microextraction is a sample preparation method having high extraction recoveries and enrichment factors with associated low organic solvent consumption. This method has found wide acceptance among researchers due to different advantages, such as simplicity, low cost, and accessibility in most analytical laboratories. The present review focuses on developments of the meth ...
DOI:
10.1016/j.trac.2019.115734

4. Analytical methods for determining organic compounds present in the particulate matter from outdoor air

Author:
Alba Maceira; Rosa Maria Marcé; Francesc Borrull
Source:
Trends in analytical chemistry 2020 v.122 pp. 115707
ISSN:
0165-9936
Subject:
case studies; gas chromatography; liquid chromatography; organic compounds; particulates; pollutants
Abstract:
... Different analytical techniques can be used to chemically characterize the atmospheric particulate matter, and to provide information about the concentration range, sources, fates and distributions of different atmospheric pollutants. This review describes the available and currently most-used analytical methods for PM characterization. Although it is not an exhaustive study about the whole charac ...
DOI:
10.1016/j.trac.2019.115707

5. Application of fluorescence resonance energy transfer to bioprinting

Author:
Sera Hong; Annie Agnes Suganya Samson; Joon Myong Song
Source:
Trends in analytical chemistry 2020 v.122 pp. 115749
ISSN:
0165-9936
Subject:
biochemical compounds; bioprinting; biosensors; diagnostic techniques; energy transfer; fluorescence; point-of-care testing
Abstract:
... Fluorescence resonance energy transfer (FRET) is widely used for the detection of a target interaction in biomolecular and cellular research. Based on the sensitivity of the FRET, various innovative analytical biosensors are being developed. This review presents the current status of the use of printing technology with FRET-related applications. Printing-based FRET assays provide a simple and reli ...
DOI:
10.1016/j.trac.2019.115749

6. Colorimetric sensor array based on gold nanoparticles: Design principles and recent advances

Author:
Jingwei Sun; Yuexiang Lu; Liuying He; Jiawei Pang; Fengyi Yang; Yueying Liu
Source:
Trends in analytical chemistry 2020 v.122 pp. 115754
ISSN:
0165-9936
Subject:
catalytic activity; chemometrics; cluster analysis; color; colorimetry; cost effectiveness; discriminant analysis; nanogold; principal component analysis; surface plasmon resonance
Abstract:
... A sensor array based on the pattern recognition strategy is good at distinguishing subtle changes of extremely similar mixtures over a wide range of analyte types. Particularly, colorimetric sensor arrays based on gold nanoparticles (AuNPs) have been applied widely in many fields for its simplicity, rapidity, cost-effective production, multi-information output, easy visualization of the color chan ...
DOI:
10.1016/j.trac.2019.115754

7. Computational studies in enantioselective liquid chromatography: Forty years of evolution in docking- and molecular dynamics-based simulations

Author:
Roccaldo Sardella; Emidio Camaioni; Antonio Macchiarulo; Antimo Gioiello; Maura Marinozzi; Andrea Carotti
Source:
Trends in analytical chemistry 2020 v.122 pp. 115703
ISSN:
0165-9936
Subject:
enantiomers; enantioselectivity; liquid chromatography; molecular dynamics; quantum mechanics; simulation models; spectroscopy
Abstract:
... A key issue in enantioselective analysis is the determination of the enantiomeric elution order. To this aim, many computational modeling studies have been published in the last four decades. Docking and molecular dynamics simulations often supported by quantum mechanical and/or experimental spectroscopic and crystallographic analyses have been applied to gain a deeper insight into the main forces ...
DOI:
10.1016/j.trac.2019.115703

8. Design strategies for fluorescent proteins/mimics and their applications in biosensing and bioimaging

Author:
Honghua Deng; Shuting Yan; Yan Huang; Chunyang Lei; Zhou Nie
Source:
Trends in analytical chemistry 2020 v.122 pp. 115757
ISSN:
0165-9936
Subject:
DNA; RNA; bioimaging; fluorescence; fluorescent proteins; monitoring
Abstract:
... Fluorescent proteins (FPs) are powerful and fundamental tools in bio-analytical research, ranging from tracking biological molecules to monitoring dynamic processes in living cells. Currently, great efforts have been made on structurally engineering of FPs with new fluorescent signal-switch mechanisms via rational or semi-rational design. In this review, we summarize a variety of strategies for re ...
DOI:
10.1016/j.trac.2019.115757

9. Detection, identification and determination of chiral pharmaceutical residues in wastewater: Problems and challenges

Author:
Aysegul Dogan; Justyna Płotka-Wasylka; Dagmara Kempińska-Kupczyk; Jacek Namieśnik; Agata Kot-Wasik
Source:
Trends in analytical chemistry 2020 v.122 pp. 115710
ISSN:
0165-9936
Subject:
analytical methods; drug residues; ecosystems; enantiomers; humans; optical isomerism; wastewater
Abstract:
... Chiral pharmaceuticals (CPs) are widely used in different areas of human life, thus they are frequently detected in different ecosystems. However, before CPs reach the environment, wastewater is subjected to different treatment processes in order to remove them. Nevertheless, such processes may affect the chirality of CPs, thus it is very important to monitor CP levels during the wastewater treatm ...
DOI:
10.1016/j.trac.2019.115710

10. Differential vs. comparative gel electrophoresis: New technology drives standardisation and quantification in protein two-dimensional gel electrophoresis

Author:
Simone König
Source:
Trends in analytical chemistry 2020 v.122 pp. 115731
ISSN:
0165-9936
Subject:
databases; fluorescence; gels; protein synthesis; two-dimensional gel electrophoresis
Abstract:
... Two-dimensional gel electrophoresis (2DE) is a proven high-resolution separation technology in the protein laboratory. Nevertheless, ever since its invention the technique has had the drawback of low reproducibility. For protein expression analysis based on replicates, differential gel electrophoresis (DIGE) has, therefore, been invented. This technique is however not applicable for the comparison ...
DOI:
10.1016/j.trac.2019.115731

11. Enantiomeric sensing and separation by nucleic acids

Author:
Farid Oukacine; Corinne Ravelet; Eric Peyrin
Source:
Trends in analytical chemistry 2020 v.122 pp. 115733
ISSN:
0165-9936
Subject:
enantioselectivity; nucleic acids; oligonucleotides; polymers; polysaccharides; proteins
Abstract:
... Naturally occurring polymers (and their derivatives) such as polysaccharides and proteins are very popular chiral selectors in analytical sciences. In contrast, nucleic acids have received much less attention in the enantiomeric analysis field. However, some significant advances have been accomplished during the last thirty years. The present review covers these different contributions in the deve ...
DOI:
10.1016/j.trac.2019.115733

12. Enantioseparation of pesticides: A critical review

Author:
Daniel Blascke Carrão; Icaro Salgado Perovani; Nayara Cristina Perez de Albuquerque; Anderson Rodrigo Moraes de Oliveira
Source:
Trends in analytical chemistry 2020 v.122 pp. 115719
ISSN:
0165-9936
Subject:
bioaccumulation; enantioselectivity; gas chromatography; humans; liquid chromatography; metabolism; pesticides; soil; supercritical fluid chromatography; toxicity; water pollution
Abstract:
... The potential of chiral pesticides to exhibit stereoselective behavior in regards to activity, toxicity, degradation, bioaccumulation, and/or metabolism has inspired numerous studies, e.g., several works have investigated the contamination of water, food, and soil by chiral pesticides and the consequences of non-targeted species (including human) exposure to these chemicals. As these studies typic ...
DOI:
10.1016/j.trac.2019.115719

13. Fabrication of chemiluminescence resonance energy transfer platform based on nanomaterial and its application in optical sensing, biological imaging and photodynamic therapy

Author:
Jia Chen; Hongdeng Qiu; Shulin Zhao
Source:
Trends in analytical chemistry 2020 v.122 pp. 115747
ISSN:
0165-9936
Subject:
bioimaging; chemiluminescence; energy transfer; immunoassays; nanomaterials; photochemotherapy
Abstract:
... Chemiluminescence resonance energy transfer (CRET), which involves nonradiative energy transfer from a chemiluminescent donor to a suitable acceptor molecule without the use of an external light source, has drawn considerable attention in diverse fields. This review thoroughly summarizes the latest progress (from 2014 to 2019) of CRET based on nanomaterial in many aspects including small molecule ...
DOI:
10.1016/j.trac.2019.115747

14. Far-red to near-infrared fluorescent probes based on silicon-substituted xanthene dyes for sensing and imaging

Author:
Mei Zhao; Yu-Shuang Guo; Wei-Na Xu; Yan-Fang Zhao; Han-Yi Xie; Hui-Juan Li; Xiang-Feng Chen; Ru-Song Zhao; Dian-Shun Guo
Source:
Trends in analytical chemistry 2020 v.122 pp. 115704
ISSN:
0165-9936
Subject:
absorption; anions; fluorescence; fluorescent dyes; image analysis; metal ions; near-infrared spectroscopy; pH; reactive nitrogen species; reactive oxygen species; xanthenes
Abstract:
... Far-red to near-infrared (NIR) fluorescent probes with absorption and emission in the spectral region of 600–900 nm are of high interest because of their low autofluorescence interference, deep-tissue penetration, and minimal photodamage to biological samples. In recent years, the Si-substituted xanthenes have attracted considerable attention owing to their remarkable far-red to NIR photophysical ...
DOI:
10.1016/j.trac.2019.115704

15. Gas chromatography in combination with fast high-resolution time-of-flight mass spectrometry: Technical overview and perspectives for data visualization

Author:
Thomas M. Gröger; Uwe Käfer; Ralf Zimmermann
Source:
Trends in analytical chemistry 2020 v.122 pp. 115677
ISSN:
0165-9936
Subject:
comprehensive two-dimensional gas chromatography; consumers (people); data visualization; gas chromatography; instrumentation; ionization; mass spectrometry
Abstract:
... Time-of-flight mass spectrometry combines fast acquisition speed with the ability to collect full spectral information and over the last years also high mass resolution instrumentation became available for customers. These features make TOFMS very interesting for the hyphenation with fast or comprehensive two-dimensional gas chromatography. This publication reviews the technical progress of TOF-te ...
DOI:
10.1016/j.trac.2019.115677

16. Glycosaminoglycans in biological samples – Towards identification of novel biomarkers

Author:
Tianji Zhang; Rui Zhang; Yongqin Lv; Meng Wang; Hongmei Li; Tianwei Tan; Jin-Ping Li
Source:
Trends in analytical chemistry 2020 v.122 pp. 115732
ISSN:
0165-9936
Subject:
bioactive properties; biomarkers; drugs; glycosaminoglycans; monitoring; pharmacokinetics
Abstract:
... Glycosaminoglycans (GAGs) are unbranched polyanionic polysaccharides involved in a wide spectrum of biological activities. Accumulation and/or structural alteration of GAGs in biological samples have been found correlated with diseases, making these molecules potential biomarkers for the diagnosis of these diseases and monitoring treatment effects. Detection and structural characterization of GAGs ...
DOI:
10.1016/j.trac.2019.115732

17. How recent innovations in gas chromatography-mass spectrometry have improved pesticide residue determination: An alternative technique to be in your radar

Author:
Yolanda Pico; Ahmed H. Alfarhan; Damia Barcelo
Source:
Trends in analytical chemistry 2020 v.122 pp. 115720
ISSN:
0165-9936
Subject:
atmospheric pressure; gas chromatography-mass spectrometry; instrumentation; ionization; liquid chromatography; organochlorine pesticides; pesticide residues; pyrethrins; radar; tandem mass spectrometry
Abstract:
... Recent advances in gas chromatography-mass spectrometry (GC-MS) (ionization sources at atmospheric pressure, fast GC, GCxGC, high resolution mass spectrometry, etc.) have significantly improved the capabilities of this technique, traditionally used to determine pesticides. Although liquid chromatography mass spectrometry (LC-MS/MS) is nowadays preferred, pyrethroids and organochlorine pesticides a ...
DOI:
10.1016/j.trac.2019.115720

18. Laser-induced breakdown spectroscopy as a promising tool in the elemental bioimaging of plant tissues

Author:
Pavlína Modlitbová; Pavel Pořízka; Jozef Kaiser
Source:
Trends in analytical chemistry 2020 v.122 pp. 115729
ISSN:
0165-9936
Subject:
atomic absorption spectrometry; bioimaging; bones; industry; mammals; phytotoxicity; plant tissues
Abstract:
... Laser-Induced Breakdown Spectroscopy (LIBS) is an optical analytical technique with a multi-element capability for element bioimaging in plants. During the years of LIBS development, the major application field has been in industry. However, during the last two decades, LIBS became a useful imaging tool in various biologic matrices, e.g. bones, mammals' organs, and in the plant science. In this wo ...
DOI:
10.1016/j.trac.2019.115729

19. Miniaturization of liquid chromatography coupled to mass spectrometry: 1. Current trends on miniaturized LC columns

Author:
Karen Mejía-Carmona; Juliana Soares da Silva Burato; João Victor Basolli Borsatto; Ana Lúcia de Toffoli; Fernando Mauro Lanças
Source:
Trends in analytical chemistry 2020 v.122 pp. 115735
ISSN:
0165-9936
Subject:
equipment design; equipment performance; liquid chromatography; mass spectrometry
Abstract:
... Over the last decade, the use of miniaturized columns in liquid chromatography (LC) has seen intense growth in a wide range of research areas. This report brings an overview of the current developments and applications of miniaturized columns in LC, focused on the type of columns used. Following a short introductory section on some theoretical aspects, the fundamental bases on their design and fab ...
DOI:
10.1016/j.trac.2019.115735

20. Nucleic acid circuits for cell imaging: From the test tube to the cell

Author:
Dan Zhao; Qingxin Yin; Yangyang Chang; Meng Liu
Source:
Trends in analytical chemistry 2020 v.122 pp. 115706
ISSN:
0165-9936
Subject:
DNA probes; biosensors; image analysis; nucleic acids
Abstract:
... Integrating nucleic acid circuits (NACs) with functional DNA probes has emerged as a promising platform in the field of biosensing, offering a facile and versatile way of detecting a wide variety of intracellular analytes in live cells. This methodology combines the power of NACs as signal amplifiers and the functional versatility of DNA probe as a molecular recognition. Very recently, several ele ...
DOI:
10.1016/j.trac.2019.115706