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1. A CRISPR-Cas12a-Based Assay for Efficient Quantification of Lactobacillus panis in Chinese Baijiu Brewing Microbiome

Author:
Yanfeng Liu; Mengchuang Wang; Fan Yang; Xiaolong Zhang; Jianghua Li; Guocheng Du; Li Wang; Jian Chen
Source:
Fermentation 2022 v.8 no.2 pp. -
ISSN:
2311-5637
Subject:
Lactobacillus panis; detection limit; equipment; fermentation; fermented foods; food production; lactic acid; microbiome; rapid methods
Abstract:
... Although the quantification of key microorganisms in fermentation microbiomes is important for monitoring and regulating fermented food production, conventionally used methods are generally time-consuming, involve complicated operations, and have a high level of equipment dependence. We developed a CRISPR-Cas12a-based quantitative Chinese Baijiu brewing microorganism assay (CQAOB) for Lactobacillu ...
DOI:
10.3390/fermentation8020088

2. A Low-Cost Wireless Intelligent Portable Sensor Based on Disposable Laser-Induced Porous Graphene Flexible Electrode Decorated by Gold Nanoshells for Rapid Detection of Sulfonamides in Aquatic Products

Author:
Daoyang Qiu; Xiaoqiang Wang; Yangping Wen; Yifang Zeng; Weiqiang Li; Li Zhao; Lili Chen; Jianhua Xiong; Kaijie Tang
Source:
Food analytical methods 2022 v.15 no.6 pp. 1471-1481
ISSN:
1936-9751
Subject:
detection limit; electrochemistry; electrodes; fish; food safety; gold; graphene; nanoparticles; rapid methods; shrimp; sulfanilamide; wireless technology
Abstract:
... We explored a low-cost wireless smart portable sensor based on a disposable laser-induced porous graphene (LIPG) flexible substrate electrode decorated by gold nanoshells (AuNSs) for a simple and rapid electrochemical detection of sulfonamides (SAs). The LIPG was prepared by the one-step computer-controlled laser direct-writing patterning techniques on polyimide (PI) substrate, and the AuNSs were ...
DOI:
10.1007/s12161-021-02198-8

3. A Novel UHPLC–MS/MS Method Development and Validation for Identification and Quantification of Genotoxic Impurity Bis (2-Chloroethyl) Amine in Aripiprazole Drug Substance

Author:
Krishna Moorthy Manchuri; Mahammad Ali Shaik; Venkata Subba Reddy Gopireddy
Source:
Chromatographia 2022 v.85 no.2 pp. 137-146
ISSN:
0009-5893
Subject:
detection limit; drugs; electrospray ionization mass spectrometry; formic acid; methanol; mutagens; ovens; rapid methods; spectrophotometers; temperature; ultra-performance liquid chromatography
Abstract:
... A selective and sensitive novel reverse-phase method was developed and validated successfully using waters acquity ultra-performance liquid chromatography H-class system coupled with waters Micromass Quattro Premier XE (UHPLC–MS/MS) for the identification and quantification of bis (2-chloroethyl) amine genotoxic impurity in aripiprazole drug substance. The developed method employs a positive-ion e ...
DOI:
10.1007/s10337-021-04123-x

4. A Water-Stable Lanthanide-Based MOF as a Highly Sensitive Sensor for the Selective Detection of Paraquat in Agricultural Products

Author:
Theanchai Wiwasuku; Adulvit Chuaephon; Upeksha Habarakada; Jaursup Boonmak; Theerapong Puangmali; Filip Kielar; David J. Harding; Sujittra Youngme
Source:
ACS sustainable chemistry & engineering 2022 v.10 no.8 pp. 2761-2771
ISSN:
2168-0485
Subject:
absorption; agrochemicals; aqueous solutions; density functional theory; detection limit; electron transfer; energy; food contamination; green chemistry; human health; irradiation; ligands; luminescence; paraquat; rapid methods; toxicity
Abstract:
... The toxic agrochemical contamination of food and the environment is one of the most pressing concerns for human health and environmental sustainability. In this work, a water-stable 3D lanthanide-based MOF, [Tb₂(H₂btec)(btec)(H₂O)]·4H₂O (Tb-MOF) has been demonstrated as a turn-off luminescent sensor for the detection of poisonous paraquat. The ligand 1,2,4,5-benzenetetracarboxylic acid (H₄btec) wa ...
DOI:
10.1021/acssuschemeng.1c07966

5. A dual-response ratiometric fluorescence imprinted sensor based on metal-organic frameworks for ultrasensitive visual detection of 4-nitrophenol in environments

Author:
Jinli Fu; Shu Zhou; Pengfei Zhao; Xiaodan Wu; Sisi Tang; Shan Chen; Zhaoxia Yang; Zhaohui Zhang
Source:
Biosensors & bioelectronics 2022 v.198 pp. 113848
ISSN:
0956-5663
Subject:
biosensors; cadmium; color; detection limit; fluorescence; fluorescent dyes; molecular imprinting; p-nitrophenol; pollutants; rapid methods; wavelengths
Abstract:
... A dual-response ratiometric fluorescence imprinted sensor based on visible/near-infrared emission was established for ultrasensitive, selective and visual detection 4-nitrophenol (4-NP). The molecularly imprinted polymer was incorporated in the ratiometric sensing system consisting of visible emission carbon dots@zeolitic imidazolate framework-8 (CDs@ZIF-8) and near-infrared emission cadmium tellu ...
DOI:
10.1016/j.bios.2021.113848

6. A finger-actuated microfluidic biosensor for colorimetric detection of foodborne pathogens

Author:
Wuzhen Qi; Lingyan Zheng; Yu Hou; Hong Duan; Lei Wang; Siyuan Wang; Yuanjie Liu; Yanbin Li; Ming Liao; Jianhan Lin
Source:
Food chemistry 2022 v.381 pp. 131801
ISSN:
0308-8146
Subject:
Salmonella; biosensors; color; colorimetry; detection limit; food chemistry; hydrogen; magnetism; microbial detection; mobile telephones; nanocatalysts; organ-on-a-chip; rapid methods
Abstract:
... A microfluidic biosensor was developed for rapid detection of Salmonella using a finger-actuated micropump, a finger-actuated micromixer, gold@platinum nanocatalysts (Au@PtNCs) and a smartphone App. First, immune magnetic nanobeads (MNBs), bacterial sample and immune Au@PtNCs were successively finger-actuated pumped into microfluidic chip. Then, they were fully mixed using finger-actuated micromix ...
DOI:
10.1016/j.foodchem.2021.131801

7. A fluorescence and surface-enhanced Raman scattering dual-mode aptasensor for rapid and sensitive detection of ochratoxin A

Author:
Hao Wang; Bianbian Zhao; Yufei Ye; Xiaoyu Qi; Yuting Zhang; Xiaole Xia; Xiaoli Wang; Nandi Zhou
Source:
Biosensors & bioelectronics 2022 v.207 pp. 114164
ISSN:
0956-5663
Subject:
aptasensors; complementary DNA; detection limit; fluorescence; gold; nanospheres; ochratoxin A; oligonucleotides; rapid methods; wines
Abstract:
... A fluorescence and surface-enhanced Raman scattering (FL-SERS) dual-mode aptasensor was established for sensitive and rapid detection of Ochratoxin A (OTA). This aptasensor was assembled by the hybridization of OTA aptamer (OTA Apt) modified gold nanostars (Apt-AuNSs) and Cy3 modified complementary DNA functionalized gold nanospheres (cDNA-AuNPs). The aptasensor displays a low FL signal due to the ...
DOI:
10.1016/j.bios.2022.114164

8. A fluorescent biosensor based on quantum dot–labeled streptavidin and poly-l-lysine for the rapid detection of Salmonella in milk

Author:
Shuangyan Ding; Hailiang Hu; Xianglin Yue; Kaiwen Feng; Xiaoyu Gao; Qiuling Dong; Mingqi Yang; Ugur Tamer; Ganhui Huang; Jinsheng Zhang
Source:
Journal of dairy science 2022 v.105 no.4 pp. 2895-2907
ISSN:
0022-0302
Subject:
Salmonella; biosensors; biotin; dairy science; detection limit; enzyme-linked immunosorbent assay; fluorescence; food pathogens; human health; milk; polymers; rapid methods; streptavidin; water solubility
Abstract:
... Salmonella, as a common foodborne pathogen in dairy products, poses a great threat to human health. We studied a new detection method based on quantum dots (QD). A fluorescent biosensor with multiple fluorescent signal amplification based on a streptavidin (SA) biotin system and the polyamino linear polymer poly-l-lysine (PLL) were established to detect Salmonella in milk. First, Salmonella was ca ...
DOI:
10.3168/jds.2021-21229

9. A gel fluorescence sensor based on CDs@SiO₂/FeS₂@MIPs for the visual detection of p-chlorophenol

Author:
Di Deng; Xiaoyu Fang; Ding Duan; Kang Li
Source:
Analytical methods 2022 v.14 no.17 pp. 1721-1729
ISSN:
1759-9679
Subject:
4-chlorophenol; cysteine; detection limit; environmental protection; fluorescence; gels; industrial wastewater; pesticides; pollution; rapid methods; sustainable technology; toxicity
Abstract:
... There is a critical need for the rapid detection of p-chlorophenol produced by pesticide abuse and industrial wastewater discharge, which has been an urgent problem in the realm of environmental protection. Here, a green and environmentally friendly method was developed to prepare stable and low toxicity quantum dots. First, blue-green fluorescent FeS₂ quantum dots (B-FeS₂ QDs) were prepared with ...
DOI:
10.1039/d1ay01849c

10. A gold nanoparticle based colorimetric sensor for the rapid detection of Yersinia enterocolitica serotype O:8 in food samples

Author:
Lu Zeng; Xinxin Xu; Hongliu Ding; Shanshan Song; Liguang Xu; Chuanlai Xu; Hua Kuang
Source:
Journal of materials chemistry B 2022 v.10 no.6 pp. 909-914
ISSN:
2050-7518
Subject:
Yersinia enterocolitica; chemistry; colorimetry; cross reaction; detection limit; food safety; gold; immunoaffinity chromatography; milk; monoclonal antibodies; nanogold; pork; public health; rapid methods; serotypes
Abstract:
... Foodborne diseases caused by Yersinia enterocolitica serotype O:8 represent global public health problems. We need rapid Y. enterocolitica O:8 detection methods to ensure food safety. In this study, we developed a colloidal gold-based immunochromatographic strip test (ICST) for the rapid detection of Y. enterocolitica O:8. A sandwich detection format was applied to Y. enterocolitica O:8 detection, ...
DOI:
10.1039/d1tb01838h

11. A gold nanoparticle-based visual aptasensor for rapid detection of acetamiprid residues in agricultural products using a smartphone

Author:
Chengnan Xu; Mei Lin; Chaonan Song; Danli Chen; Caimiao Bian
Source:
RSC advances 2022 v.12 no.9 pp. 5540-5545
ISSN:
2046-2069
Subject:
acetamiprid; aptasensors; cabbage; color; colorimetry; cucumbers; detection limit; gold; mobile telephones; nanogold; oligonucleotides; quantitative analysis; rapid methods; river water
Abstract:
... Based on the colorimetric analysis of gold nanoparticles and a smartphone readable strategy, a stable, sensitive, and visual method was established for rapid detection of acetamiprid residues in agricultural products. By optimizing the key parameters, the detection process only took 40 minutes with good specificity. The acetamiprid aptamer can help AuNPs to resist salt-induced aggregation. Convers ...
DOI:
10.1039/d2ra00348a

12. A guide to accelerated direct digital counting of single nucleic acid molecules by FRET-based intramolecular kinetic fingerprinting

Author:
Shankar Mandal; Kunal Khanna; Alexander Johnson-Buck; Nils G. Walter
Source:
Methods 2022 v.197 pp. 63-73
ISSN:
1046-2023
Subject:
DNA; alleles; biomarkers; detection limit; diagnostic techniques; energy transfer; exons; fluorescence; fluorescence microscopes; microRNA; mutants; neoplasms; rapid methods
Abstract:
... Cell-free nucleic acids (cfNAs) such as short non-coding microRNA (miRNA) and circulating tumor DNA (ctDNA) that reside in bodily fluids have emerged as potential cancer biomarkers. Methods for the rapid, highly specific, and sensitive monitoring of cfNAs in biofluids have, therefore, become increasingly attractive as clinical diagnosis tools. As a next generation technology, we provide a practica ...
DOI:
10.1016/j.ymeth.2021.06.014

13. A high sensitivity method of closed-tube loop-mediated isothermal amplification developed for visual and rapid detection of cow milk adulteration

Author:
Yifan Wang; Zhezhe Yu; Yongfeng Liu
Source:
International dairy journal 2022 v.127 pp. 105214
ISSN:
0958-6946
Subject:
DNA; adulterated products; agar gel electrophoresis; chickens; cost effectiveness; cows; detection limit; dogs; ducks; goat milk; goats; loop-mediated isothermal amplification; milk; pork; rapid methods
Abstract:
... A novel closed-tube loop-mediated isothermal amplification (LAMP) was developed to detect goat milk adulterated with cow milk. The reaction results of the LAMP assay developed, identified using both visual observation and agarose gel electrophoresis, were completely consistent, indicating that visual observation was suitable and efficient to judge the final LAMP results. The specificity of LAMP as ...
DOI:
10.1016/j.idairyj.2021.105214

14. A label-free colorimetric aptasensor based on split aptamers-chitosan oligosaccharide-AuNPs nanocomposites for sensitive and selective detection of kanamycin

Author:
Xiaoyan Qi; Yinglin Zhao; Haipeng Su; Lele Wang; Ling Li; Rui Ma; Xiaochen Yan; Jianan Sun; Sai Wang; Xiangzhao Mao
Source:
Talanta 2022 v.238 pp. 123032
ISSN:
0039-9140
Subject:
aptasensors; chitosan; colorimetry; detection limit; kanamycin; milk; nanocomposites; oligonucleotides; oligosaccharides; rapid methods; tap water
Abstract:
... Herein, the split aptamers, chitosan oligosaccharide, and AuNPs were combined as nanocomposites that present different formations to develop a label-free colorimetric aptasensor for rapid detection of small molecules. Kanamycin was chosen as a model target. Computational studies were performed to assist in the design of orientated immobilization of the split aptamers onto the AuNPs surface. Chitos ...
DOI:
10.1016/j.talanta.2021.123032

15. A liquid colorimetric chemosensor for ultrasensitive detection of glyphosate residues in vegetables using a metal oxide with intrinsic peroxidase catalytic activity

Author:
Zhen Wu; Yang Hu; Xiaoli Pan; Yue Tang; Yifeng Dai; Yuangen Wu
Source:
Food additives & contaminants 2022 v.39 no.4 pp. 710-723
ISSN:
1944-0057
Subject:
cabbage; catalytic activity; color; colorimetry; cucumbers; detection limit; glyphosate; liquids; peroxidase; rapid methods; tomatoes
Abstract:
... The control of pesticide residues in food is of increasing importance nowadays due to the over-use and misapplication of herbicides in agricultural production. However, the current colorimetric method for rapid detection of glyphosate still faces many challenges like the low sensitivity and stability. Herein, a simple and ultrasensitive liquid colorimetric chemosensor for glyphosate detection was ...
DOI:
10.1080/19440049.2021.2020912

16. A love-mode surface acoustic wave aptasensor with dummy fingers based on monolayer MoS2/Au NPs nanocomposites for alpha-fetoprotein detection

Author:
Xiaoli Wang; Junwang Ji; Pengfei Yang; Xinyu Li; Yiquan Pang; Panpan Lu
Source:
Talanta 2022 v.243 pp. 123328
ISSN:
0039-9140
Subject:
acoustics; aptasensors; biomarkers; blood serum; detection limit; energy; molybdenum disulfide; nanocomposites; nanogold; rapid methods
Abstract:
... The detection of cancer markers still has shortages of low sensitivity, time-consuming operation, the use of unstable and expensive antibodies. In this work, a novel Love-mode surface acoustic wave (LSAW) aptasensor with dummy fingers based on the monolayer molybdenum disulfide/gold nanoparticles (monolayer MoS₂/Au NPs) was developed for the highly sensitive and rapid determination of alpha-fetopr ...
DOI:
10.1016/j.talanta.2022.123328

17. A non-enzymatic photoelectrochemical sensor based on g-C3N4@CNT heterojunction for sensitive detection of antioxidant gallic acid in food

Author:
Jiaodi Li; Chenxi Wang; Xiaoling Chen; Minghui Huang; Qian Fu; Rongjie Li; Yilin Wang; Chunyan Li; Pengcheng Zhao; Yixi Xie; Junjie Fei
Source:
Food chemistry 2022 v.389 pp. 133086
ISSN:
0308-8146
Subject:
antioxidants; black tea; detection limit; electric current; food chemistry; gallic acid; humans; rapid methods; xenon
Abstract:
... Gallic acid (GA) is found in a wide range of natural plants and is relevant to the health of human beings. Here, a photoelectrochemical sensing platform based on g-C₃N₄@CNT heterojunction has been prepared for the highly sensitive and selective detection of GA. Under the light of xenon lamp, the photocurrent of g-C₃N₄@CNT is 7 times higher than that of g-C₃N₄. And the sensor generates 4 times more ...
DOI:
10.1016/j.foodchem.2022.133086

18. A novel NMR immunosensor based on O-CMCS-targeted Gd probe for rapid detection of Salmonella anatum in milk

Author:
Xianglin Yue; Junru Sun; Ru Zhao; Jinsheng Zhang
Source:
International dairy journal 2022 v.131 pp. 105372
ISSN:
0958-6946
Subject:
Salmonella Anatum; chitosan; detection limit; gadolinium; immunosensors; microfiltration; milk; nuclear magnetic resonance spectroscopy; rapid methods
Abstract:
... Rapid screening and early warning of pathogenic bacteria in food is the key to prevent and control the spread of foodborne diseases. Biotin–streptavidin system and membrane filtration technology were combined to develop a novel nuclear magnetic resonance (NMR) immunosensor based on biomacromolecule O-carboxymethyl chitosan (O-CMCS) target gadolinium (Gd) probe for rapid detection of Salmonella ana ...
DOI:
10.1016/j.idairyj.2022.105372

19. A novel biosensor based on antibody controlled isothermal strand displacement amplification (ACISDA) system

Author:
Xiao Liu; Han Yang; Zehua Xu; Ruonan Liu; Hu Zuo; Zongfen Chen; Xinyang Wang; Chunyan Xia; Yuxian Zhang; Baoan Ning; Jialei Bai; Tieqiang Sun
Source:
Biosensors & bioelectronics 2022 v.209 pp. 114185
ISSN:
0956-5663
Subject:
DNA; antibodies; biosensors; detection limit; dissociation; fluorescence; human health; norfloxacin; rapid methods
Abstract:
... The overuse of antibiotics has aroused widespread concern in recent decades. Their residues in food and environment may pose potential risks to human health. Therefore, highly sensitive and rapid detection methods of antibiotics are urgently needed. Inspired by allosteric transcription factors (aTFs), we proposed a novel strategy for small molecules detection based on antibody controlled isotherma ...
DOI:
10.1016/j.bios.2022.114185

20. A novel electrochemical aptasensor based on layer-by-layer assembly of DNA-Au@Ag conjugates for rapid detection of aflatoxin M1 in milk samples

Author:
Yuanyuan Hui; Haishuai Peng; Fuxin Zhang; Lei Zhang; Liu Yufang; Aiqing Zhao; Rong Jia; Bini Wang; Yuxuan Song
Source:
Journal of dairy science 2022 v.105 no.3 pp. 1966-1977
ISSN:
0022-0302
Subject:
DNA; aflatoxin M1; aptasensors; cows; dairy science; detection limit; electrochemistry; electrodes; ewe milk; food safety; goats; gold; human health; methylene blue; milk; rapid methods; transmission electron microscopes
Abstract:
... Aflatoxin M₁ (AFM₁) is a common toxin in dairy products that causes acute and chronic human health disorders. Thus, the development of a rapid and accurate AFM₁ detection method is of vital importance for food safety monitoring. This work was to develop a novel electrochemical aptasensor for sensitive and specific determination of AFM₁. The dendritic-like nanostructure was formed on the gold elect ...
DOI:
10.3168/jds.2021-20931

21. A novel electrochemical immunosensor based on Fe3O4@graphene nanocomposite modified glassy carbon electrode for rapid detection of Salmonella in milk

Author:
Kaiwen Feng; Ting Li; Cuizhu Ye; Xiaoyu Gao; Xianglin Yue; Shuangyan Ding; Qiuling Dong; Mingqi Yang; Ganhui Huang; Jinsheng Zhang
Source:
Journal of dairy science 2022 v.105 no.3 pp. 2108-2118
ISSN:
0022-0302
Subject:
Salmonella; antibodies; dairy science; detection limit; electrical conductivity; electrochemistry; glassy carbon electrode; graphene; humans; immunosensors; microstructure; milk; nanocomposites; nanogold; rapid methods; surface area; voltammetry
Abstract:
... Foods contaminated by foodborne pathogens have always been a great threat to human life. Herein, we constructed an electrochemical immunosensor for Salmonella detection by using a Fe₃O₄@graphene modified electrode. Because of the excellent electrical conductivity and mechanical stability of graphene and the large specific surface area of Fe₃O₄, the Fe₃O₄@graphene nanocomposite exhibits an excellen ...
DOI:
10.3168/jds.2021-21121

22. A novel multiplex PCR method for simultaneous identification of hypervirulent Listeria monocytogenes clonal complex 87 and CC88 strains in China

Author:
Qifan Sun; Jianheng Cheng; Ruoqin Lin; Jingyi Li; Ying Zhang; Xinwen Liang; Yue Su; Rui Pang; Liang Xue; Haiyan Zeng; Qihui Gu; Yu Ding; Qingping Wu; Moutong Chen; Jumei Zhang
Source:
International journal of food microbiology 2022 v.366 pp. 109558
ISSN:
0168-1605
Subject:
Listeria monocytogenes; detection limit; disinfection; food pathogens; food production; milk contamination; monitoring; mortality; polymerase chain reaction; rapid methods; China
Abstract:
... Listeria monocytogenes is an important foodborne pathogen worldwide, with 20–30% fatality rate in vulnerable persons. The hypervirulent L. monocytogenes clonal complex (CC) 87 strains have emerging both in food production environments and clinic cases. The objective of this study was to develop a multiplex PCR to simultaneously detect L. monocytogenes CC87 and CC88 strains based on pan-genome anal ...
DOI:
10.1016/j.ijfoodmicro.2022.109558

23. A novel propylene glycol alginate gel based colorimetric tube for rapid detection of nitrite in pickled vegetables

Author:
Jing Zhang; Jianfei Yang; Jing Chen; Yuanting Zhu; Kun Hu; Qian Ma; Yong Zuo
Source:
Food chemistry 2022 v.373 pp. 131678
ISSN:
0308-8146
Subject:
alginates; colorimetry; detection limit; diazo compounds; ethylenediamines; food chemistry; food safety; gels; nitrites; propylene glycol; rapid methods; standard deviation
Abstract:
... The detection of nitrite is of great significance because it is closely related to food safety. In this work, a rapid colorimetric method was developed for nitrite detection based on the reaction of propylene glycol alginate (PGA) gel interface. In the reaction of nitrite and 4-Aminoacetophenone, diazo compound formed, which could be further transformed to purplish red compound by reacting with N- ...
DOI:
10.1016/j.foodchem.2021.131678

24. A novel rapid detection of Senecavirus A using recombinase polymerase amplification (RPA) coupled with lateral flow (LF) dipstrip

Author:
Huibao Wang; Jinjie Dong; Tao Zhang; Fan Wang; Rui Yang; Yong Zhang; Xingxu Zhao
Source:
Analytical biochemistry 2022 v.646 pp. 114627
ISSN:
0003-2697
Subject:
Senecavirus A; cross reaction; detection limit; neonatal mortality; plasmids; pork industry; rapid methods; recombinase polymerase amplification; swine
Abstract:
... (SVA), an emerging picornavirus, has been associated with vesicular disease and neonatal mortality in swine, posing a great threat to the global swine industry. Accurate diagnosis of SVA is crucial for the effective prevention and control disease. In the present study, a simple, rapid and accurate diagnostic assay was developed combining recombinase polymerase amplification and a lateral flow dips ...
DOI:
10.1016/j.ab.2022.114627

25. A rapid and ultrasensitive dual detection platform based on Cas12a for simultaneous detection of virulence and resistance genes of drug-resistant Salmonella

Author:
Xuran Fu; Jiadi Sun; Yongli Ye; Yinzhi Zhang; Xiulan Sun
Source:
Biosensors & bioelectronics 2022 v.195 pp. 113682
ISSN:
0956-5663
Subject:
Salmonella; aerosols; biosensors; cross reaction; detection limit; dried skim milk; drug resistance; drug therapy; liquids; milk; rapid methods; salmonellosis; virulence
Abstract:
... Accurate, sensitive, and rapid detection of Salmonella and determination of whether it carries drug resistance genes plays an important role in guiding the clinical medication of salmonellosis and laying a foundation for studying the mechanism of drug resistance transmission of Salmonella. Here, a novel nontransferable, ultrasensitive dual detection platform (Cas12a-Ddp) was developed. The round c ...
DOI:
10.1016/j.bios.2021.113682

26. A rapid multiplex nucleic acid detection system of airborne fungi by an integrated DNA release device and microfluidic chip

Author:
Huijun Lu; Jinhui Zhu; Tong Zhang; Xinlian Zhang; Xi Chen; Wei Zhao; YuHan Yao; Wang Zhao; Guodong Sui
Source:
Talanta 2022 v.246 pp. 123467
ISSN:
0039-9140
Subject:
Aspergillus flavus; Aspergillus fumigatus; Cryptococcus neoformans; DNA; asthma; detection limit; fungi; loop-mediated isothermal amplification; occupational health and safety; organ-on-a-chip; point-of-care systems; rapid methods
Abstract:
... Occupational health problems, such as asthma, in specific work environments arise from the presence of airborne fungi. Rapid detection of pathogenic airborne fungi is therefore important to reduce or avoid any adverse effects on staff health. Herein, we established a new integrated rapid Lyticase-Motor-Chemical reagent nucleic acid releasing (LMC) method for the release of fungal DNA. Aspergillus ...
DOI:
10.1016/j.talanta.2022.123467

27. A sensitive electrochemical immunosensing interface for label-free detection of aflatoxin B1 by attachment of nanobody to MWCNTs-COOH@black phosphorene

Author:
Xue Zhang; Xiaoning Liao; Yongfa Wu; Wanming Xiong; Juan Du; Zhui Tu; Wuying Yang; Dan Wang
Source:
Analytical and bioanalytical chemistry 2022 v.414 no.2 pp. 1129-1139
ISSN:
1618-2642
Subject:
aflatoxin B1; analytical chemistry; carbon nanotubes; catalytic activity; detection limit; electrochemistry; electrodes; electron transfer; ferricyanides; immunosensors; monoclonal antibodies; rapid methods; voltammetry
Abstract:
... A label-free electrochemical immunosensor has advantages of real-time and rapid detection, but it is weak in detection of small molecular toxins such as aflatoxin B₁ (AFB₁). The greatest obstacle to achieving this is that small molecules bound to a common immunosensing interface cannot interfere with electron transfer effectively and the detection signal is so weak. Therefore, a sensitive electroc ...
DOI:
10.1007/s00216-021-03738-1

28. A signal-on fluorescent aptasensor by sensitized Tb3+ luminescence for detection of melamine in milk

Author:
Chuanyu Yang; Caiyi Du; Ruifang Su; Junyang Wang; Ying Li; Xinyue Ma; Zhihong Li; Chunyan Sun
Source:
Talanta 2022 v.236 pp. 122842
ISSN:
0039-9140
Subject:
aptasensors; cytosine; detection limit; fluorescence; fluorescent dyes; guanine; melamine; milk; nucleotide sequences; oligonucleotides; rapid methods; single-stranded DNA; terbium
Abstract:
... A fluorescent aptasensor based on sensitized terbium(III) luminescence was constructed to detect melamine in milk. Tb³⁺ as the fluorescence probe can be sensitized by a guanine-rich single-stranded DNA sequence, so the complementary sequence of the polythymidine aptamer (cDNA) was modified with six consecutive guanine bases (G6). In the absence of melamine, melamine aptamer combined with cDNA to f ...
DOI:
10.1016/j.talanta.2021.122842

29. A simple rapid portable immunoassay of trace zearalenone in feed ingredients and agricultural food

Author:
Wenxue Hao; Yu Ge; Mingren Qu; Yangping Wen; Huan Liang; Minghui Li; Chuanbin Chen; Lanjiao Xu
Source:
Journal of food composition and analysis 2022 v.107 pp. 104292
ISSN:
0889-1575
Subject:
carbon nanotubes; carboxymethylcellulose; chemical bonding; computers; dendrimers; detection limit; electrochemistry; feeds; food composition; glassy carbon electrode; immunoassays; immunosensors; mobile telephones; monoclonal antibodies; nanocomposites; pathogenicity; public health; rapid methods; zearalenone
Abstract:
... Zearalenone (ZEN) has emerged as a global public health concern due to its significant pathogenicity and world-wide distribution in animal feed ingredients and agricultural food. In the study, we report on the design and development of a simple portable immunosensor based on polyamindoamine dendrimer (PD)-multi-walled carbon nanotube (MWCNT) nanocomposite containing carboxymethyl cellulose (CMC) f ...
DOI:
10.1016/j.jfca.2021.104292

30. Alkaline lysis-recombinase polymerase amplification combined with CRISPR/Cas12a assay for the ultrafast visual identification of pork in meat products

Author:
Gang Zhao; Jin Wang; Chanyu Yao; Peichun Xie; Xiangmei Li; Zhenlin Xu; Yanping Xian; Hongtao Lei; Xing Shen
Source:
Food chemistry 2022 v.383 pp. 132318
ISSN:
0308-8146
Subject:
DNA; beef; detection limit; equipment; food chemistry; human resources; pork; quantitative polymerase chain reaction; rapid methods; raw meat; recombinase polymerase amplification; swine
Abstract:
... The “Horsemeat Scandal” makes people pay more attention to the meat authenticity. However, expensive equipment, complicated operations, and professional personnel of current methods limit their field testing. In this study, CRISPR/Cas12a combined with recombinase polymerase amplification was used to establish a sensitive and rapid detection method for pig-derived component. The detection limit can ...
DOI:
10.1016/j.foodchem.2022.132318

31. An AC electrokinetics-based electrochemical aptasensor for the rapid detection of microRNA-155

Author:
Neil Adrian P. Ondevilla; Tak-Wah Wong; Nan-Yao Lee; Hsien-Chang Chang
Source:
Biosensors & bioelectronics 2022 v.199 pp. 113847
ISSN:
0956-5663
Subject:
aptasensors; biomarkers; blood serum; chemical species; detection limit; electric field; electrochemistry; electroosmosis; hybridization; immunosensors; oligonucleotides; rapid methods
Abstract:
... Traditional immunosensors are often limited by low sensitivity and long detection times, for they usually depend on passive diffusion-dominated transport of target analytes for the binding reaction with a bio-recognition element such as enzymes, antibodies, and aptamers. Numerous studies rely on electric field manipulation by using alternating current (AC) electrokinetics to enhance the hybridizat ...
DOI:
10.1016/j.bios.2021.113847

32. An Efficient Droplet Digital PCR Approach for Detection DNA at Low Concentrations of Toxigenic Fungi in Food Products

Author:
Ping Wang; Tianming Qu; Xiaomei Zhao; Yiqiang Ge; Ying Chen
Source:
Food analytical methods 2022 v.15 no.6 pp. 1695-1706
ISSN:
1936-9751
Subject:
Aspergillus; DNA; Fusarium; Penicillium; aflatoxins; carcinogenicity; detection limit; droplets; fluorescence; food safety; genes; hepatotoxicity; humans; rapid methods; teratogenicity
Abstract:
... As common toxigenic fungi genera, Aspergillus, Penicillium, and Fusarium, have attracted the attention of governments and people all over the world due to their human carcinogenicity, teratogenicity, and hepatotoxicity. Accordingly, effective and quantitative detection method for toxigenic fungi before mycotoxins produced should be established to ensure food safety. In this paper, two duplex-dropl ...
DOI:
10.1007/s12161-022-02236-z

33. An all-in-one nucleic acid enrichment and isothermal amplification platform for rapid detection of Listeria monocytogenes

Author:
Yong Li; Chunyu Yan; Jiao Chen; Yunyun Lian; Yingqiu Xie; Amr Amin; Qianyi Wan; Chao Shi; Cuiping Ma
Source:
Food control 2022 v.139 pp. 109096
ISSN:
0956-7135
Subject:
DNA; Listeria monocytogenes; RNA; chitosan; colorimetry; detection limit; equipment; food pathogens; food safety; industry; pork; public health; rapid methods; silica
Abstract:
... Listeria monocytogenes is an infectious foodborne pathogen that greatly threatens the public health worldwide. A simple and sensitive detection of L. monocytogenes is extremely important in food safety industry. In this study, we developed an all-in-one platform, which consists of nucleic acid extraction, amplification and visual detection in a single tube. Following a simple bacterial lysis, the ...
DOI:
10.1016/j.foodcont.2022.109096

34. An immunochromatographic assay for the rapid detection of oxadixyl in cucumber, tomato and wine samples

Author:
Jie Liu; Xinxin Xu; Aihong Wu; Shanshan Song; Hua Kuang; Liqiang Liu; Zhengyou Wang; Liguang Xu; Maozhong Sun; Chuanlai Xu
Source:
Food chemistry 2022 v.379 pp. 132131
ISSN:
0308-8146
Subject:
cucumbers; detection limit; downy mildew; food chemistry; haptens; immunoaffinity chromatography; monoclonal antibodies; oxadixyl; rapid methods; tomatoes; wines
Abstract:
... Oxadixyl is a systemic phenylamide fungicide, used to prevent and control disease caused by phytophthora and downy mildew in a variety of cash crops. In this study, a hapten of oxadixyl was designed and used to prepare a highly specific and sensitive anti-oxadixyl monoclonal antibody (mAb) with a 50% inhibition concentration of 3.68 ng/mL. An immunochromatographic assay (ICA) was developed for scr ...
DOI:
10.1016/j.foodchem.2022.132131

35. An ultralow concentration of Al-MOFs for turn-on fluorescence detection of aflatoxin B1 in tea samples

Author:
Fuxiang Wang; Zuopeng Li; Hongping Jia; Runhua Lu; Sanbing Zhang; Canping Pan; Zhiqiang Zhang
Source:
Food chemistry 2022 v.383 pp. 132389
ISSN:
0308-8146
Subject:
aflatoxin B1; detection limit; fluorescence; food chemistry; rapid methods; standard deviation; tea
Abstract:
... A turn-on fluorescent sensing platform based on an ultralow concentration of Al-metal organic frameworks for the detection of aflatoxin B₁ has been developed for the first time. This fluorescence turn-on sensor exhibits the largest fluorescence enhancement (or quenching) constant value of 179404 M⁻¹ among all luminescence-based chemical sensors reported till date. Moreover, the sensor afforded a r ...
DOI:
10.1016/j.foodchem.2022.132389

36. An ultrasensitive monoclonal antibody-based lateral flow immunoassay for the rapid detection of xylazine in milk

Author:
Linlin Chen; Xiaofei Hu; Yaning Sun; Yunrui Xing; Gaiping Zhang
Source:
Food chemistry 2022 v.383 pp. 132293
ISSN:
0308-8146
Subject:
confidence interval; detection limit; food chemistry; haptens; immunoassays; milk; monoclonal antibodies; rapid methods; regression analysis; xylazine
Abstract:
... In this study, a novel hapten was designed and successfully synthesized to prepared the artificial immunogen against xylazine (XYL), then the monoclonal antibody 1H2-2C6 was obtained and applied to a lateral flow immunoassay (LFI) strip for rapid detection of XYL in milk. The visual detection limit (cutoff value) of the LFI strip was 5 ng/mL, the linear regression formula was Y = −0.521lg(X) + 0.3 ...
DOI:
10.1016/j.foodchem.2022.132293

37. Application of the poly (POSS-octavinyl-co-N-methylacetamide-co-divinylbenzene) solid extraction column in analyzing preservatives

Author:
Pingping Wang; Fangling Wu; Fuxing Xu; Jun Jack Hu; Chuan-Fan Ding
Source:
Analytical and bioanalytical chemistry 2022 v.414 no.4 pp. 1493-1501
ISSN:
1618-2642
Subject:
analytical chemistry; beverages; chemical structure; cost effectiveness; detection limit; polymers; porosity; rapid methods; solid phase extraction; solvents
Abstract:
... In this study, a special poly solid-phase extraction (in-tube SPE) column consisting of poly (POSS-octavinyl-co-N-methylacetamide-co-divinylbenzene) [poly (POSS-OS-co-DVB-co-NMA)] was prepared based on the chemical structure of the preservatives, and was used as medium for extraction analysis in combination with UPLC. The composition of polymer SPE was optimized and characterized; good scanning el ...
DOI:
10.1007/s00216-021-03613-z

38. Aptamer-based electrochemical biosensor for rapid detection of SARS-CoV-2: Nanoscale electrode-aptamer-SARS-CoV-2 imaging by photo-induced force microscopy

Author:
Juan Carlos Abrego-Martinez; Maziar Jafari; Siham Chergui; Catalin Pavel; Diping Che; Mohamed Siaj
Source:
Biosensors & bioelectronics 2022 v.195 pp. 113595
ISSN:
0956-5663
Subject:
COVID-19 infection; Pseudovirus; RNA; Severe acute respiratory syndrome coronavirus 2; aptasensors; carbon electrodes; detection limit; dielectric spectroscopy; microscopy; nanogold; oligonucleotides; polymerase chain reaction; rapid methods; serology; viruses
Abstract:
... Rapid, mass diagnosis of the coronavirus disease 2019 (COVID-19) is critical to stop the ongoing infection spread. The two standard screening methods to confirm the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are polymerase chain reaction (PCR), through the RNA of the virus, and serology by detecting antibodies produced as a response to the viral infection. However, given the dete ...
DOI:
10.1016/j.bios.2021.113595

39. Assay for Evaluating the Abundance of Vibrio cholerae and Its O1 Serogroup Subpopulation from Water without DNA Extraction

Author:
Tania Nasreen; Nora A.S. Hussain; Jia Yee Ho; Vanessa Zhi Jie Aw; Munirul Alam; Stephanie K. Yanow; Yann F. Boucher
Source:
Pathogens 2022 v.11 no.3 pp. -
ISSN:
2076-0817
Subject:
DNA; biomass; brackish water; cholera; computer software; detection limit; diarrhea; epidemiology; equipment; pathogens; quantitative analysis; rapid methods; serotypes
Abstract:
... Cholera is a severe diarrheal disease caused by Vibrio cholerae, a natural inhabitant of brackish water. Effective control of cholera outbreaks depends on prompt detection of the pathogen from clinical specimens and tracking its source in the environment. Although the epidemiology of cholera is well studied, rapid detection of V. cholerae remains a challenge, and data on its abundance in environme ...
DOI:
10.3390/pathogens11030363

40. Au@PtPd enhanced immunoassay with 3D printed smartphone device for quantification of diaminochlorotriazine (DACT), the major atrazine biomarker

Author:
Xiaofan Ruan; Victoria Hulubei; Yijia Wang; Qiurong Shi; Nan Cheng; Limin Wang; Zhaoyuan Lyu; William C. Davis; Jordan N. Smith; Yuehe Lin; Dan Du
Source:
Biosensors & bioelectronics 2022 v.208 pp. 114190
ISSN:
0956-5663
Subject:
absorbance; antigens; atrazine; biomarkers; biosensors; chemical species; color; detection limit; humans; immunoaffinity chromatography; immunoassays; metabolites; mobile telephones; porous media; rapid methods; three-dimensional printing
Abstract:
... Increased use of pesticides in agriculture requires new advanced techniques to monitor both environmental levels and human exposure of pesticides to avoid potential adverse health outcomes in sensitive populations. Atrazine is widely used to control broadleaf weeds, and here we developed a new sensor capable of detecting diaminochlorotriazine (DACT), the major metabolite and biomarker of atrazine ...
DOI:
10.1016/j.bios.2022.114190

41. Bi-ECDAQ: An electrochemical dual-immuno-biosensor accompanied by a customized bi-potentiostat for clinical detection of SARS-CoV-2 Nucleocapsid proteins

Author:
Razieh Salahandish; Fatemeh Haghayegh; Giancarlo Ayala-Charca; Jae Eun Hyun; Mahmood Khalghollah; Azam Zare; Behrouz Far; Byron M. Berenger; Yan Dong Niu; Ebrahim Ghafar-Zadeh; Amir Sanati-Nezhad
Source:
Biosensors & bioelectronics 2022 v.203 pp. 114018
ISSN:
0956-5663
Subject:
COVID-19 infection; Severe acute respiratory syndrome coronavirus 2; biosensors; data collection; detection limit; diagnostic techniques; dielectric spectroscopy; electrochemistry; electrodes; nucleocapsid; nucleocapsid proteins; point-of-care systems; rapid methods
Abstract:
... Multiplex electrochemical biosensors have been used for eliminating the matrix effect in complex bodily fluids or enabling the detection of two or more bioanalytes, overall resulting in more sensitive assays and accurate diagnostics. Many electrochemical biosensors lack reliable and low-cost multiplexing to meet the requirements of point-of-care detection due to either limited functional biosensor ...
DOI:
10.1016/j.bios.2022.114018

42. Bsu polymerase-mediated fluorescence coding for rapid and sensitive detection of 8-oxo-7,8-dihydroguanine in telomeres of cancer cells

Author:
Panyue Li; Zi-yue Wang; Yueying Li; Ling-zhi Liu; Jian-Ge Qiu; Chun-yang Zhang
Source:
Talanta 2022 v.243 pp. 123340
ISSN:
0039-9140
Subject:
DNA; detection limit; fluorescence; gene amplification; genes; guanine; oxidation; rapid methods; restriction endonucleases; telomeres
Abstract:
... Guanine is the most susceptible to oxidation among all the DNA bases, and 8-oxo-7,8-dihydroguanine (OG) is one of main oxidation products that can occur in any part of chromosomal DNA. OG in the telomere sequence is associated with telomere shortening, cell aging, and dysfunction, and it may induce cancers. The accurate detection of OG in telomeres is important to early clinical diagnosis and mole ...
DOI:
10.1016/j.talanta.2022.123340

43. Characterization of the O-antigen gene clusters and development of a molecular serotyping method for Vibrio fluvialis

Author:
Min Wang; Bin Liu; Yanli Xu; Xi Guo; Tian Fu; Jiafei Liu; Lei Wang
Source:
International journal of food microbiology 2022 v.370 pp. 109665
ISSN:
0168-1605
Subject:
DNA; O-antigens; Vibrio fluvialis; antigenic variation; detection limit; food pathogens; food safety; monitoring; multigene family; oysters; rapid methods; serotypes
Abstract:
... Vibrio fluvialis is an emerging foodborne pathogen that causes severe infections. Serotyping based on surface polysaccharide antigens is important for the clinical detection and epidemiological surveillance of pathogens such as V. fluvialis. For example, variation of the O-antigen, which is highly polymorphic and is responsible for the majority of antigenic variability on the bacterial cell surfac ...
DOI:
10.1016/j.ijfoodmicro.2022.109665

44. Colloidal silver-based lateral flow immunoassay for detection of profenofos pesticide residue in vegetables

Author:
Kuo-Hui Wu; Wen-Chien Huang; Shu-Chen Chang; Rong-Hwa Shyu
Source:
RSC advances 2022 v.12 no.21 pp. 13035-13044
ISSN:
2046-2069
Subject:
citrates; cross reaction; detection limit; immunoassays; liquids; methamidophos; nanosilver; omethoate; pH; pesticide residues; polyclonal antibodies; profenofos; rapid methods
Abstract:
... A colloidal silver nanoparticle (AgNP)-based lateral flow immunoassay (LFIA) was evaluated in terms of the rapid detection of profenofos (PEO) pesticide residue in vegetables. Colloidal AgNPs, of a diameter of approximately 20 nm, were surface-modified with trisodium citrate dehydrate (TSC) in order to improve their stability and dispersion. An anti-profenofos polyclonal antibody (pAb) was success ...
DOI:
10.1039/d2ra01654k

45. Colorimetric Detection of Benzoyl Peroxide in the Flour Samples Based on the Morphological Transition of Silver Nanoprisms

Author:
Lili Yu; Chenrui Jiang; Liping Xi; Xiaoni Zhang; Jinzhe Tong; Zhuo Chen; Rong Chen; Hua He
Source:
Food analytical methods 2022 v.15 no.4 pp. 993-1000
ISSN:
1936-9751
Subject:
Fuchsia; agarose; analytical kits; color; colorimetry; detection limit; flour; food safety; free radicals; hydrogels; monitoring; nanoprisms; oxidants; rapid methods; silver
Abstract:
... In this paper, a simple and effective strategy was designed for colorimetric sensing of benzoyl peroxide (BPO) based on the morphological transition of silver nanoprisms (AgNPRs). The decomposition of O–O bond of BPO generated strong oxidant benzoyl oxide free radical, which could be first oxidized the silver atoms at the corner areas and the {110} facet of AgNPRs. With the increase of the BPO con ...
DOI:
10.1007/s12161-021-02145-7

46. Combining loop-mediated isothermal amplification and nanozyme-strip for ultrasensitive and rapid detection of viable Listeria monocytogenes cells and biofilms

Author:
Dongling Shi; Hui Shi
Source:
Lebensmittel-Wissenschaft + Technologie 2022 v.154 pp. 112641
ISSN:
0023-6438
Subject:
Listeria monocytogenes; antibodies; biofilm; detection limit; dispersibility; genes; lettuce; loop-mediated isothermal amplification; propidium; rapid methods; stainless steel
Abstract:
... Foodborne diseases caused by Listeria monocytogenes (L. monocytogenes) occur frequently. The rapid, ultrasensitive, and visual methods are urgently needed for the detection of viable L. monocytogenes. We developed a novel lateral flow strip for visual and quantitative detection of viable L. monocytogenes cells and biofilms based on propidium monoazide-loop-mediated isothermal amplification (PMA-LA ...
DOI:
10.1016/j.lwt.2021.112641

47. Construction of a TRFIC strip for rapid and sensitive detection of Ralstonia solanacearum

Author:
Ziyan Fan; Liwei Hu; Yuan Ji; Shanshan Liu; Ying Wang; Xianjie Cai; Mowen Shi; Huimin Deng; Gangling Tang; Ding Yan; Xingfeng Chen; Zubin Lin; Shili Liu; Fei Yang
Source:
Talanta 2022 v.239 no. pp. 123139
ISSN:
0039-9140
Subject:
Escherichia coli; Ralstonia solanacearum; antigens; bacterial wilt; cross reaction; culture media; detection limit; fluorescence; genes; immunoaffinity chromatography; microparticles; monoclonal antibodies; polygalacturonase; polystyrenes; rapid methods; soil; tobacco; China
Abstract:
... The development of a sensitive and rapid screening method for Ralstonia solanacearum is critical for the control of tobacco wilt. In the present study, tissue homogenates of three tobacco varieties (Honda, Yunnan 87 and K326) with different resistance to R. solanacearum, were individually used as additives to the bacteria culture medium. The changes in R. solanacearum secretome were investigated a ...
DOI:
10.1016/j.talanta.2021.123139

48. Continuous polymerase chain reaction microfluidics integrated with a gold-capped nanoslit sensing chip for Epstein-Barr virus detection

Author:
Han-Yun Hsieh; Ray Chang; Yung-Yu Huang; Po-Han Juan; Hidetoshi Tahara; Kuan-Yi Lee; Di Ngoc Kha Vo; Ming-Han Tsai; Pei-Kuen Wei; Horn-Jiunn Sheen; Yu-Jui Fan
Source:
Biosensors & bioelectronics 2022 v.195 pp. 113672
ISSN:
0956-5663
Subject:
COVID-19 infection; DNA; DNA probes; Human gammaherpesvirus 4; biosensors; calibration; detection limit; genes; gold; membrane proteins; microfluidic technology; nucleotide sequences; polymerase chain reaction; rapid methods; surface plasmon resonance
Abstract:
... We present the first combination of a microfluidic polymerase chain reaction (PCR) with a gold nanoslit-based surface plasmon resonance (SPR) sensor for detecting the DNA sequence of latent membrane protein 1 (LMP1). The PCR microchannel was produced through a laser scribing technique, and the SPR nanoslit chip was manufactured via hot-embossing nanoimprinting lithography. Afterward, the LMP1 DNA ...
DOI:
10.1016/j.bios.2021.113672

49. Controllable construction of ZnFe2O4-based micro-nano heterostructure for the rapid detection and degradation of VOCs

Author:
Baosheng Li; Xianfa Zhang; Lihua Huo; Shan Gao; Chuanyu Guo; Yu Zhang; Zoltán Major; Fangdou Zhang; Xiaoli Cheng; Yingming Xu
Source:
Journal of hazardous materials 2022 v.435 pp. 129005
ISSN:
0304-3894
Subject:
Echinoidea; acetone; composite materials; detection limit; nanorods; nanosheets; rapid methods; reflectance; solvents; volatile organic compounds
Abstract:
... Micro-nano heterogeneous oxides have received extensive attention due to their distinctive physicochemical properties. However, it is a challenge to prepare the hierarchical multicomponent metal oxide nanomaterials with abundant heterogeneous interfaces in a controllable way. In this work, the effective construction of the heterogeneous structure of the material is achieved by regulating the ratio ...
DOI:
10.1016/j.jhazmat.2022.129005

50. Cu2O Induced Au Nanochains for Highly Sensitive Dual-Mode Detection of Hydrogen Sulfide

Author:
Fangdou Zhang; Yanxue Shang; Ruyue Yu; Ying Wang; Fan Feng; Qi Guo; Jinyan Xing; Zhangyu Tian; Jingbin Zeng; Zifeng Yan
Source:
Journal of hazardous materials 2022 pp. 129144
ISSN:
0304-3894
Subject:
adsorption; ambient temperature; catalytic activity; cell culture; color; density functional theory; detection limit; hydrogen sulfide; nanogold; rapid methods; surface plasmon resonance
Abstract:
... Colorimetric and chemoresistive gas sensing methods have aroused great interest in H₂S monitoring due to their unique merits of naked-eye readout, and highly sensitive and rapid detection. However, combining these two methods for gas detection, especially utilizing one material as their common sensing material is a grand challenge because they are inconsistent in sensing mechanism. Taking advantag ...
DOI:
10.1016/j.jhazmat.2022.129144