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1. Parallel Pseudo-MRM on the “brick” miniature mass spectrometer for high throughput multi-target screening

Author:
Hongjia Zhang; Heyuan Jia; Zhiwu Gao; Yu Xiang; Ting Jiang; Wei Xu
Source:
Talanta 2023 v.252 pp. 123866
ISSN:
0039-9140
Subject:
quantitative analysis,   etc   ; dissociation; spectrometers;     Show all 3 Subjects
Abstract:
... With increasingly improved analytical performances, miniature mass spectrometers are expandingly applied in more application scenarios. The capability of high throughput analysis of multi-targets is a crucial function of a miniature mass spectrometer, especially for in-situ applications. As a powerful method for target screening, multiple reaction monitoring (MRM) was conventionally realized on tr ...
DOI:
10.1016/j.talanta.2022.123866

2. Research on an evaluation system of the application effect of ground source heat pump systems for green buildings in China

Author:
Xin Liu; Yuning Zuo; Zekai Yin; Chuanzhi Liang; Guohui Feng; Xiaodan Yang
Source:
Energy 2023 v.262 pp. 125374
ISSN:
0360-5442
Subject:
quantitative analysis,   etc   ; energy efficiency; heat pumps; models; China;     Show all 5 Subjects
Abstract:
... The application of ground source heat pump (GSHP) system for green buildings is an effective way to improve the energy efficiency of buildings and reduce energy demand. At present, the GSHP system for green buildings has the problem of improper operation management and unideal operation effect. To comprehensively analyze the actual operation of system and promote the healthy development of GSHP sy ...
DOI:
10.1016/j.energy.2022.125374

3. The preparation of MnO2/BSA/CdTe quantum dots complex for ratiometric fluorescence/ T1-weighted MRI detection of H2O2

Author:
Wenfeng Bai; Keshi Zhang; Shihua Yu; Jianpo Zhang; Li Jin
Source:
Talanta 2023 v.252 pp. 123774
ISSN:
0039-9140
Subject:
quantitative analysis,   etc   ; cell proliferation; early diagnosis; fluorescence; hydrogen peroxide; neoplasms; redox reactions;     Show all 7 Subjects
Abstract:
... Hydrogen peroxide, as the second messenger in cells, plays an essential regulatory role in cell proliferation, differentiation and migration. How to effectively identify H₂O₂ signals, and detect H₂O₂ in circulating tumor cells, are essential for the early diagnosis of tumors. Herein a fluorescence and T₁-weighted MR dual-mode imaging material, named MnBQ, has been successfully prepared and charact ...
DOI:
10.1016/j.talanta.2022.123774

4. Contribution of components in natural soil to Cd and Pb competitive adsorption: Semi-quantitative to quantitative analysis

Author:
Yiren Li; Jian Liu; Yiheng Wang; Xianjin Tang; Jianming Xu; Xingmei Liu
Source:
Journal of hazardous materials 2023 v.441 pp. 129883
ISSN:
0304-3894
Subject:
quantitative analysis,   etc   ; adsorbents; adsorption; cadmium; clay; lead; pH; soil; soil organic matter; spectroscopy;     Show all 10 Subjects
Abstract:
... Cadmium (Cd) and lead (Pb) are two of the most common elements found in contaminated sites. The behavior of specific metals in the soil may be affected by other metals because of the competition for adsorption sites. In this study, adsorption experiments after chemical extraction, multi-surface models, and advanced spectroscopy technology were jointly used to explain the adsorption mechanism of Cd ...
DOI:
10.1016/j.jhazmat.2022.129883

5. Modelling the potential consequences of adaptive closure management in a penaeid trawl fishery

Author:
Edward V. Camp; Daniel D. Johnson; Matthew D. Taylor
Source:
Aquaculture and fisheries 2023 v.8 no.2 pp. 190-201
ISSN:
2468-550X
Subject:
quantitative analysis,   etc   ; Melicertus plebejus; Penaeus; aquaculture; dynamic models; fisheries; migratory species; population dynamics;     Show all 8 Subjects
Abstract:
... Spatial management of fishing effort can be used to avoid catching undesirable size classes for target species, and improve yield-per-recruit for the exploited stock. Adaptive closure management has been proposed as a means to more effectively utilise spatial management, however these management provisions often lack quantitative evaluation which constrains the information available to inform deci ...
DOI:
10.1016/j.aaf.2021.09.010

6. A novel method for the direct detection of light stabilizer Tinuvin 622 in polymer additives by gel permeation chromatography combined with multi-angle laser light scattering

Author:
Bokai Ma; Yingjie Shi; Nan Jiang; Yumeng Yang; Yuantao Yang; Chong Qian; Na Liu; Wei Wang; Rui Liu
Source:
Talanta 2023 v.253 pp. 123896
ISSN:
0039-9140
Subject:
quantitative analysis,   etc   ; durability; gel chromatography; heat; mass spectrometry; molecular weight; polymers; quality control; stabilizers;     Show all 9 Subjects
Abstract:
... Tinuvin 622, an oligomeric light stabilizer, is widely used in plastics to reduce light and heat induced degradation and extend their service life, therefore its detection is of great importance for quality control of plastic products. However, the classical analytical methods of Tinuvin 622, such as chromatography and mass spectrometry, are difficult to achieve direct qualitative and quantitative ...
DOI:
10.1016/j.talanta.2022.123896

7. Characterization of key odor-active compounds in pure chicken powder and the effect of yeast extract, using instrumental and sensory techniques

Author:
Dong-Yu Shen; Meng-Ke Li; Mu Zhao; Jie Li; Xinyue Cui; Ting-Ting Zou; Huan-Lu Song; Jian Xiong; Ku Li
Source:
Journal of food composition and analysis 2023 v.115 pp. 104879
ISSN:
0889-1575
Subject:
quantitative analysis,   etc   ; chickens; flavor; food composition; lipid peroxidation; octenol; off odors; soups; spectroscopy; yeast extract;     Show all 10 Subjects
Abstract:
... Pure chicken powder (PCP) is a reliable source of mellow chicken soup flavor in seasoning, but it has some unstable compounds and is prone to lipid oxidation, which leads to unpleasant odor. Adding yeast extract (YE) can reduce the off-odor intensity of PCP. Based on the results of gas chromatography–olfactometry–mass spectrometry (GC–O-MS), two-dimensional comprehensive gas chromatography–olfacto ...
DOI:
10.1016/j.jfca.2022.104879

8. Nitrogen loss from the coastal shelf of the East China Sea: Implications of the organic matter

Author:
Xiaoshuang Lai; Xuegang Li; Jinming Song; Huamao Yuan; Liqin Duan; Ning Li; Yingxia Wang
Source:
Science of the total environment 2023 v.854 pp. 158805
ISSN:
0048-9697
Subject:
quantitative analysis,   etc   ; anaerobic ammonium oxidation; continental shelf; denitrification; environment; genes; microbial nitrogen; East China Sea;     Show all 8 Subjects
Abstract:
... Organic matter is a critical factor which regulates nitrogen loss pathways of denitrification and anammox for microbes in marine ecosystems. However, only a little attention has been paid to contrasting studies on denitrification and anammox in sandy and muddy sediments, especially in the coastal continental shelf dominated by sandy sediments. This study determined the bulk properties and associat ...
DOI:
10.1016/j.scitotenv.2022.158805

9. Measurement of sucrose in beverages using a blood glucose meter with cascade-catalysis enzyme particle

Author:
Xinran Zhang; Jiaqian Zhao; Chengcheng Wang; Ling Zhu; Xinyu Pan; Yuqiao Liu; Junmin Li; Xishan Guo; Dajing Chen
Source:
Food chemistry 2023 v.398 pp. 133951
ISSN:
0308-8146
Subject:
quantitative analysis,   etc   ; beverages; blood glucose; coprecipitation; electrochemistry; encapsulation; enzymes; food chemistry; glucose; hydrolysis; manganese carbonate; sucrose;     Show all 12 Subjects
Abstract:
... In this paper, we developed a sensor for on-site measuring beverage sucrose level based on cascade enzyme particles and a blood glucose meter. The cascade enzyme particles with sucrose hydrolyzing capability were prepared by co-precipitation of manganese carbonate, in which the stability of the enzymes was substantially enhanced by the particle encapsulation effect. The quantitative measurement of ...
DOI:
10.1016/j.foodchem.2022.133951

10. A new prediction method of industrial atmospheric pollutant emission intensity based on pollutant emission standard quantification

Author:
Tienan Ju; Mei Lei; Guanghui Guo; Jinglun Xi; Yang Zhang; Yuan Xu; Qijia Lou
Source:
Frontiers of environmental science & engineering 2023 v.17 no.1 pp. 8
ISSN:
2095-2201
Subject:
quantitative analysis,   etc   ; air; air pollutants; air pollution; algorithms; business enterprises; emissions factor; prediction; regression analysis; China;     Show all 10 Subjects
Abstract:
... Industrial emissions are the main source of atmospheric pollutants in China. Accurate and reasonable prediction of the emission of atmospheric pollutants from single enterprise can determine the exact source of atmospheric pollutants and control atmospheric pollution precisely. Based on China’s coking enterprises in 2020, we proposed a quantitative method for pollutant emission standards and intro ...
DOI:
10.1007/s11783-023-1608-1

11. Determination of particulate polycyclic aromatic hydrocarbons in ambient air by gas chromatography-mass spectrometry after molecularly imprinted polymer extraction

Author:
Maria Chiara Pietrogrande; Giorgia Demaria; Mara Russo
Source:
Journal of environmental sciences (China) 2023 v.124 pp. 644-654
ISSN:
1001-0742
Subject:
quantitative analysis,   etc   ; air; air quality; benzene; gas chromatography-mass spectrometry; molecular imprinting; particulates; polyacrylic acid; China;     Show all 9 Subjects
Abstract:
... A solid phase extraction procedure (SPE) is described for the quantitative analysis of polycyclic aromatic hydrocarbons (PAHs) in atmospheric particulate matter (PM), as ubiquitous environmental pollutants routinely measured in air quality monitoring. A SPE cartridge was used based on a molecular imprinted polymer (MIP-SPE) properly tailored for selective retention of PAHs with 4 and more benzene ...
DOI:
10.1016/j.jes.2021.11.021

12. Size-independent quantification of nanoplastics in various aqueous media using surfaced-enhanced Raman scattering

Author:
Boonphop Chaisrikhwun; Sanong Ekgasit; Prompong Pienpinijtham
Source:
Journal of hazardous materials 2023 v.442 pp. 130046
ISSN:
0304-3894
Subject:
quantitative analysis,   etc   ; detection limit; glass; gold; mineral water; nanoplastics; nanospheres; polystyrenes; river water; tap water; toluene;     Show all 11 Subjects
Abstract:
... In this work, we successfully developed an intriguing preparation strategy to reduce the size-dependent effect of nanoplastics (NPLs), which is the limitation of NPLs quantification by surface-enhanced Raman scattering (SERS). This simple and low-cost technique enabled us to quantify different sizes (i.e., 100, 300, 600, and 800 nm) of polystyrene nanospheres (PS NSs) in various aqueous media. The ...
DOI:
10.1016/j.jhazmat.2022.130046

13. Modeling the spatially heterogeneous relationships between tradeoffs and synergies among ecosystem services and potential drivers considering geographic scale in Bairin Left Banner, China

Author:
Chenli Xue; Xinghua Chen; Lirong Xue; Huiqiong Zhang; Jianping Chen; Dedong Li
Source:
Science of the total environment 2023 v.855 pp. 158834
ISSN:
0048-9697
Subject:
quantitative analysis,   etc   ; carbon sequestration; climate; ecosystems; environment; habitats; social welfare; soil conservation; sustainable development; topography; vegetation; China;     Show all 12 Subjects
Abstract:
... Understanding the complex relationships of tradeoffs and synergies among ecosystem services (ESs) is essential to achieve a comprehensive, coordinated, and sustainable development for human well-being. However, the quantitative measurement for the properties and intensities within these relationships as well as the deeper exploration of its formation mechanism from a spatial-explicit perspective i ...
DOI:
10.1016/j.scitotenv.2022.158834

14. The regulation path of coal consumption based on the total reduction index—a case study in Shandong Province, China

Author:
Jixiang Liu; Shu Tian; Qingsong Wang; Yue Xu; Yujie Zhang; Xueliang Yuan; Qiao Ma; Haichao Ma; Chengqing Liu
Source:
Energy 2023 v.262 pp. 125591
ISSN:
0360-5442
Subject:
quantitative analysis,   etc   ; carbon; case studies; coal; energy; gross domestic product; industry; neutralization; path analysis; pollution control; China;     Show all 11 Subjects
Abstract:
... The reduction of the total amount of coal, a priority energy to achieve the goal of carbon peak and carbon neutralization, has become the focus of domestic and foreign scholars. Taking coal consumption in Shandong Province as the research object, this paper builds a methodology system that uses aggregate reduction indicators to force coal consumption control path research based on the method of sc ...
DOI:
10.1016/j.energy.2022.125591

15. Thermal plasma co-gasification of polyvinylchloride and biomass mixtures under steam atmospheres: Gasification characteristics and chlorine release behavior

Author:
Chu Chu; Ping Wang; Abdoulaye Boré; Wenchao Ma; Guanyi Chen; Pan Wang
Source:
Energy 2023 v.262 pp. 125385
ISSN:
0360-5442
Subject:
quantitative analysis,   etc   ; biomass; carbon; chlorine; energy; gasification; pollution control; poly(vinyl chloride); steam; synthesis gas; temperature; thermodynamics;     Show all 12 Subjects
Abstract:
... This study systematically explores the syngas characteristics and chlorine release behavior during plasma co-gasification of polyvinylchloride (PVC) and biomass through experimental and thermodynamic methods. The results indicate that carbon conversion rate and chlorine release ratio are positively associated with power and steam/carbon ratio. Plasma co-gasification of PVC and biomass yields 4.96– ...
DOI:
10.1016/j.energy.2022.125385

16. Field-deployable aptasensor with automated analysis of stain patterns for the detection of chlorpyrifos in water

Author:
Joana Macagno; Gabriel S. Gerlero; María L. Satuf; Claudio L.A. Berli
Source:
Talanta 2023 v.252 pp. 123782
ISSN:
0039-9140
Subject:
quantitative analysis,   etc   ; aptasensors; automation; chlorpyrifos; computer software; detection limit; gold; information management; lighting; mobile telephones; nanogold; oligonucleotides; traceability;     Show all 13 Subjects
Abstract:
... Organophosphorus compounds such as chlorpyrifos (CPS) are causing serious environmental problems worldwide. Efficient monitoring of the CPS levels in water resources demands portable devices for on-field testing. Here we report the development of a CPS sensor coupled with smartphones for automated reading and data analysis. The sensing mechanism makes use of gold nanoparticles stabilized by a CPS- ...
DOI:
10.1016/j.talanta.2022.123782

17. Taking glucose as intermediate bridge-signal-molecule for on-site and convenient detection of ochratoxin A in rice with portable glucose meter

Author:
Ru Zhang; Chao Yan; Ziwen Zong; Wei Qu; Li Yao; Jianguo Xu; Yingyue Zhu; Bangben Yao; Wei Chen
Source:
Food chemistry 2023 v.400 pp. 134007
ISSN:
0308-8146
Subject:
quantitative analysis,   etc   ; beta-fructofuranosidase; detection limit; electrochemistry; food chemistry; food safety; glucose; hybridization; ochratoxin A; oligonucleotides; rice; streptavidin; sucrose;     Show all 13 Subjects
Abstract:
... On-site screening of biotoxins is of great importance for food safety. A new electrochemical-biosensing strategy was constructed for ochratoxin A (OTA) detection by direct using ready-made commercial portable-glucose-meter (PGM). Aptamer against OTA was adopted as the recognition probe and pre-immobilized onto the sensing interface. The complementary biotin-modified probe was further decorated by ...
DOI:
10.1016/j.foodchem.2022.134007

18. Online TG-FTIR-MS analysis of the catalytic pyrolysis of polyethylene and polyvinyl chloride microplastics

Author:
Xiaoqing Liu; Ke Tian; Zhijie Chen; Wei Wei; Bentuo Xu; Bing-Jie Ni
Source:
Journal of hazardous materials 2023 v.441 pp. 129881
ISSN:
0304-3894
Subject:
quantitative analysis,   etc   ; benzene; carbon; catalysts; food chain; human health; liquids; microplastics; poly(vinyl chloride); polyethylene; pyrolysis; spectroscopy; value added;     Show all 13 Subjects
Abstract:
... Microplastics (MPs) are frequently detected in urban waters, which would pose a threat to human health through the food chain. Thus, efficient approaches to the elimination of MPs are urgently required. Pyrolysis is a powerful technique for the potential treatment of MPs. The online thermogravimetry-Fourier transform infrared reflection-Mass spectrometry (TG-FTIR-MS) is applied for tracking the py ...
DOI:
10.1016/j.jhazmat.2022.129881

19. Pre-column derivatization with trimethylsilyl diazomethane coupled with ASE-SPE-GC-MS/MS method for the quantification and validation of penicillin G residues in poultry tissues and pork

Author:
Chujun Liu; Xing Xie; Yawen Guo; Bo Wang; Kaizhou Xie; Yuhao Dong; Chenggen Yang; Zhixin Feng; Wenbin Bao
Source:
Journal of food composition and analysis 2023 v.115 pp. 104866
ISSN:
0889-1575
Subject:
quantitative analysis,   etc   ; benzylpenicillin; chemical species; derivatization; food composition; gas chromatography; markets; pH; phosphates; pork; poultry; solid phase extraction; tandem mass spectrometry;     Show all 13 Subjects
Abstract:
... A novel, simple and high-sensitivity gas chromatography-tandem mass spectrometry (GC-MS/MS) method combined with external calibration was developed for the qualitative and quantitative determination of penicillin G residues in poultry tissues and pork. Samples were extracted by an ASE 350 apparatus with 0.2 mol/L phosphate buffer solution (pH 8.0) and purified on HLB solid-phase extraction (SPE) c ...
DOI:
10.1016/j.jfca.2022.104866

20. Predictions of multiple food quality parameters using near-infrared spectroscopy with a novel multi-task genetic programming approach

Author:
Yu Yang; Shangpeng Sun; Leiqing Pan; Min Huang; Qibing Zhu
Source:
Food control 2023 v.144 pp. 109389
ISSN:
0956-7135
Subject:
quantitative analysis,   etc   ; algorithms; data collection; evolution; food industry; food quality; food safety; models; near-infrared spectroscopy; prediction; regression analysis; system optimization;     Show all 12 Subjects
Abstract:
... In order to meet the increasing demand for food safety and quality, new methods for simultaneous and rapid determination of multiple food quality parameters (FQPs) are urgently needed in the food industry. Incorporating near-infrared (NIR) spectroscopy and spectral prediction model for rapid, repeatable, non-destructive, and low running costs quantitative analysis of FQPs is enjoying increasing po ...
DOI:
10.1016/j.foodcont.2022.109389