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You searched for: Journal Trends in analytical chemistry Remove constraint Journal: Trends in analytical chemistry Subject chemical species Remove constraint Subject: chemical species
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1. 2D materials: Excellent substrates for surface-enhanced Raman scattering (SERS) in chemical sensing and biosensing

Author:
Mingpeng Chen; Dong Liu; Xinyu Du; Kin Ho Lo; Shuangpeng Wang; Bingpu Zhou; Hui Pan
Source:
Trends in analytical chemistry 2020 v.130 pp. 115983
ISSN:
0165-9936
Subject:
analytical chemistry; biocompatibility; chemical species; quantitative analysis
Abstract:
... Surface-enhanced Raman scattering (SERS) has been adopted as a useful analytical technique to quantitatively determine the bio-/chemical analytes with fingerprint recognition and non-destructivity in various fields. However, the well-developed SERS substrates are mostly noble metals, which are expensive, difficult for mass production, irreproducible and unstable in long run. To overcome these disa ...
DOI:
10.1016/j.trac.2020.115983

2. Advances in gustatory biomimetic biosensing technologies: In vitro and in vivo bioelectronic tongue

Author:
Yulan Tian; Ping Wang; Liping Du; Chunsheng Wu
Source:
Trends in analytical chemistry 2022 pp. 116778
ISSN:
0165-9936
Subject:
analytical chemistry; biomimetics; chemical species; electronic tongue; mammals; taste
Abstract:
... Taste, as one of the natural chemical sensations, has attracted worldwide attention due to their great significance to organismal survival in the area of seeking advantages and avoiding disadvantages. Therefore, it is highly essential and worthy to develop taste detection methods with higher performances. Fast advancements of the gustatory biosensing technologies, especially in the life sciences a ...
DOI:
10.1016/j.trac.2022.116778

3. Advances in magnetic porous organic frameworks for analysis and adsorption applications

Author:
Qianqian Wang; Tian Gao; Lin Hao; Yaxing Guo; Weihua Liu; Liying Guo; Chun Wang; Zhi Wang; Qiuhua Wu
Source:
Trends in analytical chemistry 2020 v.132 pp. 116048
ISSN:
0165-9936
Subject:
adsorbents; adsorption; analytical chemistry; antibiotics; chemical species; dyes; endocrine-disrupting chemicals; environmental science; extraction; heavy metals; magnetism; methodology; organic compounds; pesticides; porosity; research; researchers; separation; synthesis; toxins
Abstract:
... Developing high-performance magnetic adsorbents is highly desirable for achieving efficient extraction of analytes. As an emerging class of advanced functional materials, magnetic porous organic frameworks (M-POFs) have created tremendous interest among researchers because of their remarkable features such as permanent porosity, diverse synthesis methods, high physicochemical stability, strong mag ...
DOI:
10.1016/j.trac.2020.116048

4. Advances in mass spectrometry-based omics analysis of trace organics in water

Author:
Yanan Tang; Caley B. Craven; Nicholas J.P. Wawryk; Junlang Qiu; Feng Li; Xing-Fang Li
Source:
Trends in analytical chemistry 2020 v.128 pp. 115918
ISSN:
0165-9936
Subject:
analytical chemistry; chemical species; computers; ionization; mass spectrometry; water analysis
Abstract:
... Driven by the development of mass spectrometry (MS), omics strategies become powerful tools for comprehensive analysis of organics in water. Various separation and ionization techniques have been developed in recent years for MS based omics analysis of water to achieve better resolution, sensitivity, and throughput. Additionally, advances in computer algorithms and enlargement of online databases ...
DOI:
10.1016/j.trac.2020.115918

5. Advances in metal-organic frameworks-based gas sensors for hazardous substances

Author:
Xiaoying Huang; Zhengjun Gong; Yi Lv
Source:
Trends in analytical chemistry 2022 v.153 pp. 116644
ISSN:
0165-9936
Subject:
analytical chemistry; catalytic activity; chemical species; electrical conductivity; luminescence; toxicity; vapors
Abstract:
... Harmful and toxic gas sensing techniques are of vital importance for ecological environment. Abundant physical and chemical properties of metal-organic frameworks (MOFs) have been discovered gradually, such as luminescence, catalysis, and electrical conductivity, which make MOFs evolve into a kind of powerful sensing materials. Although many reported MOF-based sensors have been well reviewed, a co ...
DOI:
10.1016/j.trac.2022.116644

6. Advances in rapid detection of SARS-CoV-2 by mass spectrometry

Author:
Tsz-Fung Wong; Pui-Kin So; Zhong-Ping Yao
Source:
Trends in analytical chemistry 2022 v.157 pp. 116759
ISSN:
0165-9936
Subject:
COVID-19 infection; Severe acute respiratory syndrome coronavirus 2; analytical chemistry; chemical species; mass spectrometry; pandemic; rapid methods; reverse transcriptase polymerase chain reaction
Abstract:
... COVID-19 has already been lasting for more than two years and it has been severely affecting the whole world. Still, detection of SARS-CoV-2 remains the frontline approach to combat the pandemic, and the reverse transcription polymerase chain reaction (RT-PCR)-based method is the well recognized detection method for the enormous analytical demands. However, the RT-PCR method typically takes a rela ...
DOI:
10.1016/j.trac.2022.116759

7. Advances in the enzymatic biofuel cell powered sensing systems for tumor diagnosis and regulation

Author:
Linlin Wang; Jian-Rong Zhang; Xiaoge Wu; Jun-Jie Zhu
Source:
Trends in analytical chemistry 2022 v.146 pp. 116476
ISSN:
0165-9936
Subject:
analytical chemistry; biofuels; biomarkers; biosensors; chemical species; human health; microbial fuel cells; neoplasms; therapeutics
Abstract:
... Tumors are the leading killers of human health, however, diagnosis on tumors are neither timely nor accurate due to the high detection cost and high technical requirements. For cancer diagnosis and treatment, self-powered biosensors based on enzymatic biofuel cells have the advantages of simple structure, easy miniaturization, instantaneous response to analytes, and high economic applicability. It ...
DOI:
10.1016/j.trac.2021.116476

8. Ambient desorption/ionization mass spectrometry for direct solid material analysis

Author:
Sarmila Amatya Shrestha; Sangwon Cha
Source:
Trends in analytical chemistry 2021 v.144 pp. 116420
ISSN:
0165-9936
Subject:
analytical chemistry; chemical species; desorption; drug abuse; explosives; forensic sciences; illicit drugs; ionization; liquids; mass spectrometry; quality control
Abstract:
... This paper reviews the application of ambient desorption/ionization (ADI) mass spectrometry (MS) to the direct analysis of solid materials. First, ADI methods are introduced according to the sampling and desorption processes, including liquid extraction, plasma desorption, thermal desorption, and laser ablation/desorption, along with their practical features and limitations in the direct analysis ...
DOI:
10.1016/j.trac.2021.116420

9. Analysis of natural products by SFC – Applications from 2015 to 2021

Author:
Markus Ganzera; Michael Zwerger
Source:
Trends in analytical chemistry 2021 v.145 pp. 116463
ISSN:
0165-9936
Subject:
acidity; alkalinity; analytical chemistry; cannabinoids; chemical species; flavonoids; saponins; silica; terpenoids
Abstract:
... Complexity and variability in composition are major challenges associated with the analysis of natural products in biological matrices like plant extracts. To indicate and confirm that SFC is an excellent analytical technique to investigate such samples, is the aim of this review. It is shown that in recently published manuscripts the range of successfully assessed compounds was very wide, includi ...
DOI:
10.1016/j.trac.2021.116463

10. Application of ionic liquids in microextraction techniques: current trends and future perspectives

Author:
Renata Marcinkowska; Karolina Konieczna; Łukasz Marcinkowski; Jacek Namieśnik; Adam Kloskowski
Source:
Trends in analytical chemistry 2019 pp. -
ISSN:
0165-9936
Subject:
chemical species; ionic liquids; liquids; microextraction
Abstract:
... Ionic liquids (ILs) with their unique properties found so far numerous analytical applications. Among them ILs both in their liquid form and immobilized on the surface or within the pores of a solid support were successfully utilized in microextraction techniques. The scope of this review will cover a comprehensive summarizing of available literature data on selected properties of ILs playing a ke ...
DOI:
10.1016/j.trac.2019.07.025

11. Application of metal–organic framework for the adsorption and detection of food contamination

Author:
Ke-Jia Wu; Chun Wu; Min Fang; Beibei Ding; Pin-Pin Liu; Meng-Xin Zhou; Zhi-Yong Gong; Dik-Lung Ma; Chung-Hang Leung
Source:
Trends in analytical chemistry 2021 v.143 pp. 116384
ISSN:
0165-9936
Subject:
adsorbents; adsorption; analytical chemistry; chemical species; coordination polymers; food contamination; mechanism of action; porosity; surface area
Abstract:
... Metal-organic frameworks (MOFs) possess large surface area, high porosity, tunable structures, and flexible tailored properties, enabling their use as adsorbents and sensors for food contamination. Specifically, MOFs have been regarded as promising materials in instrumental analysis of food contamination via separation and extraction of target analytes based on their high surface area with high ad ...
DOI:
10.1016/j.trac.2021.116384

12. Applications of nanomaterials in ambient ionization mass spectrometry

Author:
Liang Chen; Alireza Ghiasvand; Estrella Sanz Rodriguez; Peter C. Innis; Brett Paull
Source:
Trends in analytical chemistry 2021 v.136 pp. 116202
ISSN:
0165-9936
Subject:
analytical chemistry; carbon nanotubes; chemical species; graphene; graphene oxide; ionization; mass spectrometry; nanofibers; nanowires; nylon; silicon
Abstract:
... Ambient ionization mass spectrometry (AIMS) provides direct ionization of analytes on the surface and subsurface of samples under ambient conditions, with minimal sample manipulation. Over the past few years, a series of new ionization techniques have been developed to enhance the capability of AIMS and expand its applications. Simultaneously, the use of nanomaterials in AIMS has attracted conside ...
DOI:
10.1016/j.trac.2021.116202

13. Automatic flow kinetic-catalytic methods

Author:
Camelia Henríquez; Fernando Maya; Piyawan Phansi; Fatima Z. Abouhiat; Kaewta Danchana; Víctor Cerdà
Source:
Trends in analytical chemistry 2016 v.85 pp. 33-45
ISSN:
0165-9936
Subject:
anions; chemical analysis; chemical species; computers; data collection; instrumentation; nanoparticles; organic compounds; temperature; transition elements
Abstract:
... Kinetic-catalytic analytical methods are simple and highly sensitive strategies for chemical analysis, that rely on simple instrumentation. For that reason, they have been implemented to the quantification of a large number of chemical species such as transition metals, non-metallic anions and organic compounds. Flow techniques are presented as an efficient tool to overcome the main limitations of ...
DOI:
10.1016/j.trac.2016.08.009

14. Biosensing based on field-effect transistors (FET): Recent progress and challenges

Author:
Deniz Sadighbayan; Mohammad Hasanzadeh; Ebrahim Ghafar-Zadeh
Source:
Trends in analytical chemistry 2020 v.133 pp. 116067
ISSN:
0165-9936
Subject:
Coronavirus infections; Hepatitis B virus; analytical chemistry; assays; bacteria; biomarkers; biosensors; carbon nanotubes; cells; chemical species; detection; dielectrics; drug development; drugs; employment; graphene; influenza; ions; mass; nanoparticles; nanorods; nanowires; nucleic acids; point-of-care systems; research; researchers; screening; transistors; viruses
Abstract:
... The use of field-Effect-Transistor (FET) type biosensing arrangements has been highlighted by researchers in the field of early biomarker detection and drug screening. Their non-metalized gate dielectrics that are exposed to an electrolyte solution cover the semiconductor material and actively transduce the biological changes on the surface. The efficiency of these novel devices in detecting diffe ...
DOI:
10.1016/j.trac.2020.116067

15. CRISPR-Cas systems: From gene scissors to programmable biosensors

Author:
Yuxin Zhang; Yunping Wu; Yanfang Wu; Yangyang Chang; Meng Liu
Source:
Trends in analytical chemistry 2021 v.137 pp. 116210
ISSN:
0165-9936
Subject:
CRISPR-Cas systems; DNA; RNA; analytical chemistry; biosensors; chemical species; disease diagnosis; food safety; genes; infectious diseases; nucleotide sequences; operating costs
Abstract:
... The increasing needs for developing biosensors for various applications in infectious disease diagnosis, environmental monitoring, and food safety put forth challenges on sensor performances such as sensitivity, selectivity, assay time, and operation cost. The CRISPR-Cas systems, regarded as molecular scissors, present an extremely high accuracy toward cleaving the targeted DNA and RNA. The presen ...
DOI:
10.1016/j.trac.2021.116210

16. CRISPR/Cas Systems Accelerating the Development of Aptasensors

Author:
Chao Zhu; Fan Zhang; Huidong Li; Zilei Chen; Mengmeng Yan; Linsen Li; Feng Qu
Source:
Trends in analytical chemistry 2022 pp. 116775
ISSN:
0165-9936
Subject:
RNA; analytical chemistry; aptasensors; biocompatibility; chemical species; colorimetry; electrochemistry; energy transfer; fluorescence; genome; mass spectrometry; oligonucleotides; probability; signal transduction; transcription (genetics)
Abstract:
... The clustered regularly interspaced short palindromic repeats (CRISPR) and CRISPR-associated proteins (CRISPR/Cas) systems, regarded as “God's scissors”, have recently received considerable attention in performing genome editing, transcriptional regulation and biosensor construction, benefiting from their adjustable mechanical properties, easy to operate and design, good biocompatibility, and the ...
DOI:
10.1016/j.trac.2022.116775

17. Capillary electromigration techniques coupled to mass spectrometry: Applications to food analysis

Author:
Vijay, D. Patel; Shahab A. Shamsi; Kevin Sutherland
Source:
Trends in analytical chemistry 2021 v.139 pp. 116240
ISSN:
0165-9936
Subject:
analytical chemistry; capillary electrophoresis; chemical species; food analysis; food research; foodomics; ionization; liquids; mass spectrometry; quality control
Abstract:
... of food is essential for safety, quality control, government regulations, and recommendations to answer basic research questions. Capillary electrophoresis-mass spectrometry (CE-MS) is a powerful hyphenated technique in food, beverages, and foodomics for analytes ranging from small organic ions and biochemical compounds to macromolecules. Advantages of CE-MS for food analysis include high efficien ...
DOI:
10.1016/j.trac.2021.116240

18. Capillary electrophoresis as a powerful tool for the analyses of bacterial samples

Author:
L.A. Kartsova; D.V. Makeeva; A.V. Kravchenko; D.O. Moskvichev; D.A. Polikarpova
Source:
Trends in analytical chemistry 2021 v.134 pp. 116110
ISSN:
0165-9936
Subject:
analytical chemistry; bacteria; capillary electrophoresis; chemical species; detection; electrolytes; fluids; human health; metabolites; sampling; separation; volume; walls
Abstract:
... Bacteria, bacterial metabolites and cell components can have positive as well as negative impact on human health. Therefore, there is a strong need for the determination of bacteria and bacterial metabolites in various samples, including food, natural objects, and biological fluids. Capillary electrophoresis (CE) is a powerful tool for the identification and separation of ionic compounds, characte ...
DOI:
10.1016/j.trac.2020.116110

19. Carbon dots based fluorescence methods for the detections of pesticides and veterinary drugs: Response mechanism, selectivity improvement and application

Author:
Jing Wang; Xiuming Teng; Yishui Wang; Shuxin Si; Jing Ju; Wei Pan; Jinping Wang; Xiaobo Sun; Weijun Wang
Source:
Trends in analytical chemistry 2021 v.144 pp. 116430
ISSN:
0165-9936
Subject:
analytical chemistry; animals; chemical species; fluorescence; quinolones
Abstract:
... Based on the unique properties of carbon dots (CDs), a number of detection methods with high performances have been built through various strategies for different pesticides and veterinary drugs, including organophosphorus pesticides, tetracyclines, quinolones and others. The performances of these detection methods are comparable or even better than conventional approaches as detection limits of s ...
DOI:
10.1016/j.trac.2021.116430

20. Challenges and strategies of matrix effects using chromatography-mass spectrometry: An overview from research versus regulatory viewpoints

Author:
Francisco Raposo; Damià Barceló
Source:
Trends in analytical chemistry 2021 v.134 pp. 116068
ISSN:
0165-9936
Subject:
analytical chemistry; calibration; chemical species; guidelines; information; literature; mass spectrometry; quantitative analysis; research
Abstract:
... Matrix components of a sample can affect the quantitative measurement of the target analytes. This singularity is named “matrix effects” and should be considered for method validation procedure. Two main strategies to overcome matrix effects were suggested in the scientific literature: reducing the presence of components responsible for the effects and compensating the influence of matrix effects ...
DOI:
10.1016/j.trac.2020.116068