Search results: 100,062 results (approx.)

1. G-quadruplex DNAzyme as peroxidase mimetic in a colorimetric biosensor for ultrasensitive and selective detection of trace tetracyclines in foods.

The colorimetric method can determine the initial results even by the naked eyes, but its main challenge for antibiotics detection in food at present is the relatively low sensitivity. Herein, an ultrasensitive colorimetric biosensor based on G-quadruplex DNAzyme was firstly proposed for the rapid...

Author(s) : Tang Yue; Huang XiaoHuan; Wang XueLi; Wang ChunXiao; Tao Han; Wu YuanGen

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Food Chemistry 2022 Vol.366

2. Study on the environmental fate of three insecticides in garlic by in vivo sampling rate calibrated-solid phase microextraction-gas chromatography-mass spectrometry.

Traditional sample preparation methods for insecticide analysis are laborious and fatal to living organisms. In the work, an in vivo sampling rate calibrated-solid phase microextraction-gas chromatography-mass spectrometry method was established and successfully used for in vivo sampling and...

Author(s) : Chen TianTian; Yu XinHe; Tian XinMeng; Hu JiaJia; Chen YanYan; Long GuangDou; Xu Hui; Yang GuangFu

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Food Chemistry 2022 Vol.367 ref.41

3. Inner-filter effect induced fluorescent sensor based on fusiform Al-MOF nanosheets for sensitive and visual detection of nitrofuran in milk.

Developing highly sensitive and visual methods for rapid detection of antibiotics is significant to ensure food quality and safety. To meet the requirement of nitrofuran antibiotics detection, luminescent fusiform Al(III)-containing metal-organic frameworks (Al-MOF) nanosheets were successfully...

Author(s) : Yue XiaoYue; Zhou ZiJun; Li Min; Jie MingSha; Xu BaoCheng; Bai YanHong

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Food Chemistry 2022 Vol.367 ref.33

4. A turn-on fluorescence sensor based on Cu2+ modulated DNA-templated silver nanoclusters for glyphosate detection and mechanism investigation.

The abuse application of glyphosate can result in a potential hazard for environment and human, however its ultrasensitive detection remains challenging. Herein, a Cu2+ modulated DNA-templated silver nanoclusters (DNA-AgNCs) sensor was constructed to sensitively determine glyphosate based on the...

Author(s) : Yang YiXia; Ghalandari, B.; Lin LiYun; Sang Xiao; Su WenQiong; Divsalar, A.; Ding XianTing

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Food Chemistry 2022 Vol.367 ref.42

5. Exploring miniaturized sample preparation approaches combined with LC-QToF-MS for the analysis of sulfonamide antibiotic residues in meat- and/or egg-based baby foods.

Miniaturized and simplified sample preparation methods with reduced consumption of chemicals and non-halogenated solvents are presented for the determination of 12 sulfonamides in baby foods. Hydrophilic interaction liquid chromatography coupled to quadrupole time-of-flight mass spectrometry was...

Author(s) : Petrarca, M. H.; Braga, P. A. de C.; Reyes, F. G. R.; Bragotto, A. P. A.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Food Chemistry 2022 Vol.366

6. Controllable assembly metal-organic frameworks and gold nanoparticles composites for sensitive immunochromatographic assay.

Creating universal signal labels from fundamental building blocks with excellent biocompatibility and well-controlled size/uniformity simultaneously for immunochromatographic assay (ICA) is highly desired but extremely challenging. Here, a nano-signal label strategy was reported, in which the...

Author(s) : Yin XueChi; Dou LeiNa; Yao XiaoLin; Liu SiJie; Zhang Liang; Zhao Man; Su LiHong; Sun Jing; Wang JianLong; Zhang DaoHong

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Food Chemistry 2022 Vol.367 ref.36

7. Worldwide survey of pesticide residues in citrus-flavored soft drinks.

After more than ten years since pesticide residues were detected in citrus-flavored soft drinks, this study reveals that the situation has not changed. A new sensitive multiresidue UHPLC-MS/MS method has been validated for 88 pesticides, which was used to analyze 200 samples manufactured in 67...

Author(s) : Castilla-Fernández, D.; Moreno-González, D.; Gilbert-López, B.; García-Reyes, J. F.; Molina-Díaz, A.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Food Chemistry 2021 Vol.365

8. Infrared spectroscopy combined with random forest to determine tylosin residues in powdered milk.

The contamination of milk by antibiotic residues is a worldwide health and food safety problem. There is a need to develop new methods for the rapid determination of antibiotic residues in milk. A method has been developed for determining tylosin residues directly in powdered milk using Fourier...

Author(s) : Freitas, A. G. M. de; Minho, L. A. C.; Magalhães, B. E. A. de; Santos, W. N. L. dos; Santos, L. S.; Fernandes, S. A. de A.

Publisher : Elsevier Ltd, Oxford, UK

Journal article; Conference paper : Food Chemistry 2021 Vol.365

9. Occurrence and removal of antibiotics from industrial wastewater.

Water recycling is of increasing concern due to the shortage of natural resources, calling for advanced methods to remove contaminants. Indeed, the transfer of contaminants to living organisms may lead to bioaccumulation and diseases. In particular, the overuse of antibiotics for human and animal...

Author(s) : Akhil, D.; Divya Lakshmi; Kumar, P. S.; Vo, D. V. N.; Kartik, A.

Publisher : Springer Berlin, Heidelberg, Germany

Journal article : Environmental Chemistry Letters 2021 Vol.19 No.2 pp.1477-1507 ref.many

10. Toxicity of hydroxychloroquine, a potential treatment for COVID-19, on free-living marine nematodes.

On March 2020, hydroxychloroquine (HCQ) was recommended as a treatment for COVID-19 high risk patients. Following the massive and widespread use of HCQ worldwide, a discernible high quantity is anticipated to end-up through the sewage systems in marine coastal areas. A closed microcosm study was...

Author(s) : Ben Ali, M.; Amor Hedfi; Mohammed Almalki; Karachle, P. K.; Boufahja, F.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Marine Pollution Bulletin 2021 Vol.167

11. Increasing accuracy of field-scale studies to investigate plant uptake and soil dissipation of pharmaceuticals.

Pharmaceuticals and personal care products (PPCPs) can enter agricultural fields through wastewater irrigation, biosolid amendments, or urine fertilization. Numerous studies have assessed the risk of PPCP contamination, however there are no standardized methodologies for sample treatment, making...

Author(s) : Dickman, R. A.; Brunelle, L. D.; Kennedy, B. C.; Noe-Hays, A.; Love, N. G.; Aga, D. S.

Publisher : Royal Society of Chemistry, Cambridge, UK

Journal article : Analytical Methods 2021 Vol.13 No.27 pp.3077-3085

12. Development of a lateral-flow ICA strip for the detection of colchicine.

Colchicine (COL), which is extracted from colchicine and papaya, is widely used in medicine. However, COL poisoning causes serious adverse complications including death. Therefore, there is a need to develop a sensitive COL detection method. In this study, we developed a highly sensitive monoclonal ...

Author(s) : Li ShaoZhen; Zhu JianPing; Ma Wei; Kuang Hua; Liua LiQiang; Xu ChuanLai

Publisher : Royal Society of Chemistry, Cambridge, UK

Journal article : Analytical Methods 2021 Vol.13 No.27 pp.3092-3100

13. Application of biogenic iron precipitation by strain H117 for tetracycline removal: mechanism of adsorption and activation.

To date, biogenic metals have opened up a window for new applications in adsorption of contaminants. But there is still little attention to be paid in the removal of tetracycline (TC) by biogenic iron precipitation (BIP). In this paper, the BIP, from iron-based mixotrophic denitrification batch...

Author(s) : Su JunFeng; Zhang Shuai; Zheng ZhiJie; Xue Lei

Publisher : Springer Berlin, Heidelberg, Germany

Journal article : Environmental Science and Pollution Research 2021 Vol.28 No.4 pp.4815-4826 ref.many

14. Joint toxicity assessment reveals synergistic effect of chlorpyrifos and dichlorvos to common carp (Cyprinus carpio).

Common carp (Cyprinus carpio) is an important aquaculture species. However, their production and health is sometimes threatened by pesticides. In common carp, extensive studies have been done for exposures of single pesticides, but effects of mixtures such as those of the commonly used chlorpyrifos ...

Author(s) : Kunwar, P. S.; Rajendra Basaula; Sinha, A. K.; Boeck, G. de; Kumar Sapkota

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Comparative Biochemistry and Physiology. C, Toxicology & Pharmacology 2021 Vol.246

15. Combined hepatotoxicity of imidacloprid and microplastics in adult zebrafish: endpoints at gene transcription.

Microplastics (MPs) and pesticides are two kinds of ubiquitous pollutants that can pose a health risk to aquatic organisms. However, researches about the combined effects of MPs and pesticides are very limited. A simple combined exposure model was established in this study, adult zebrafish were...

Author(s) : Luo Ting; Weng You; Huang ZhuiZui; Zhao Yao; Jin YuanXiang

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Comparative Biochemistry and Physiology. C, Toxicology & Pharmacology 2021 Vol.246

16. Monitoring traces of organochlorine pesticides in herbal matrices by bar adsorptive microextraction - application to black tea and tobacco.

Bar adsorptive microextraction followed by microliquid desorption and gas chromatography-mass spectrometry, under the selected ion monitoring acquisition mode, has been developed for the determination of 20 organochlorine pesticides (OCPs) in herbal matrices. Assays performed on 25 mL of ultra-pure ...

Author(s) : Ahmad, S. M.; Gomes, M. I.; Ide, A. H.; Neng, N. R.; Nogueira, J. M. F.

Publisher : Taylor & Francis, Abingdon, UK

Journal article : International Journal of Environmental Analytical Chemistry 2021 Vol.101 No.10 pp.1363-1377 ref.34

17. Efficient environment friendly method for microextraction of dinitroaniline herbicides using supramolecular solvent.

Liquid-liquid microextraction method based on supramolecular solvent was proposed for analysis of dinitroaniline herbicides (pendimethalin and trifluralin) residue in water and onion samples. In the present method, reverse micelles of undecanol (250 mg 1-undecanol) dispersed in tetrahydrofuran and...

Author(s) : Salma Amir; Jan, M. R.; Shah, J.

Publisher : Taylor & Francis, Abingdon, UK

Journal article : International Journal of Environmental Analytical Chemistry 2021 Vol.101 No.10 pp.1393-1407 ref.35

18. Detection of 4 quinolone antibiotics by chemiluminescence based on a novel Nor-Biotin bifunctional ligand and SA-ALP technology.

A simple and effective direct competitive chemiluminescence immunoassay for the detection of 4 kinds of quinolone antibiotics in milk was established using Nor-Biotin (biotin-modified norfloxacin [NOR]) bifunctional ligand and alkaline phosphatase-conjugated streptavidin signal amplification...

Author(s) : Han ZhenYu; Sun TieQiang; Xu ZeHua; Fan LongXing; Yun HanXuan; Ge XueJiao; Liu Xiao; Liu Ying; Ning Bao'an

Publisher : Taylor & Francis, Singapore, Singapore

Journal article : Bioscience, Biotechnology and Biochemistry 2021 Vol.85 No.7 pp.1720-1728

19. Chlorpyrifos remediation in agriculture runoff with homogeneous solar photo-Fenton reaction at near neutral pH: phytotoxicity assessment.

This study represents the first application of Fe-citrate-based photo-Fenton chemistry for the degradation of chlorpyrifos (CPF) spiked into agricultural runoff, and its phytotoxicity assessment. The effects of the initial CPF concentration, time and ratio of Fe-citrate/H2O2 on CPF removal during...

Author(s) : Naddafi, K.; Martinez, S. S.; Nabizadeh, R.; Yaghmaeian, K.; Shahtaheri, S. J.; Amiri, H.

Publisher : IWA Publishing, London, UK

Journal article : Water Science and Technology 2021 Vol.83 No.1 pp.212-222 ref.46

20. Honey bee exposure scenarios to selected residues through contaminated beeswax.

Twenty-two pesticides and veterinary drugs of which residues were detected in beeswax in Europe were selected according to different criteria. The risk to honey bee health posed by the presence of these residues in wax was assessed based on three exposure scenarios. The first one corresponds to the ...

Author(s) : Wilmart, O.; Legrève, A.; Scippo, M. L.; Reybroeck, W.; Urbain, B.; Graaf, D. C. de; Spanoghe, P.; Delahaut, P.; Saegerman, C.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Science of the Total Environment 2021 Vol.772

21. Occurrence of environmental contaminants (pesticides, herbicides, PAHs) in Australian/Queensland Apis mellifera honey.

Honey is a popular agricultural product containing mostly sugars and water, but due to its nutritious components and natural production by honeybees (Apis mellifera) from floral nectar, it is marketed as a premium health food item. As environmental monitors, honeybees can potentially transfer...

Author(s) : Hungerford, N. L.; Fletcher, M. T.; Tsai HengHang; Hnatko, D.; Swann, L. J.; Kelly, C. L.; Anuj, S. R.; Tinggi, U.; Webber, D. C.; Were, S. T.; Tan, B. L. L.

Publisher : Taylor & Francis, Abingdon, UK

Journal article : Food Additives and Contaminants B, Surveillance 2021 Vol.14 No.3 pp.193-205 ref.74

22. Compounded conservatism in European re-entry worker risk assessment of pesticides.

We review the risk parameters and drivers in the current European Union (EU) worker risk assessment for pesticides, for example considering crop maintenance, crop inspection or harvesting activities, and show that the current approach is very conservative due to multiple worst-case default...

Author(s) : Kluxen, F. M.; Felkers, E.; Baumann, J.; Morgan, N.; Wiemann, C.; Stauber, F.; Strupp, C.; Adham, S.; Kuster, C. J.

Publisher : Elsevier, New York, USA

Journal article : Regulatory Toxicology and Pharmacology 2021 Vol.121 ref.many

23. Biochar-polylactic acid composite accelerated reductive dechlorination of hexachlorobenzene in paddy soils under neutral pH condition.

In order to clarify the effect of biochar-polylactic acid (PLA) composite on reductive dechlorination of HCB in paddy soils, an anaerobic incubation experiment was conducted with four treatments of Sterile control, Control, Biochar, and Biochar-PLA in Hydragric Acrisols (Ac) and Gleyi-Stagnic...

Author(s) : Liu CuiYing; Zeng Tao; Zheng JinJin; Fan JianLing; Luo XiaoSan

Publisher : Springer, New York, USA

Journal article : Bulletin of Environmental Contamination and Toxicology 2021 Vol.106 No.1 pp.175-182 ref.31

24. Detection methods of environmental endocrine disrupting chemicals in fishery products: research progress.

Environmental endocrine disruptors (EDCs), a class of exogenous chemicals that exist in environmental media and mediate the synthesis, release, metabolism, binding and excretion of hormones in the body, which have harmful effects on their offspring. It is also known as environmental hormone because ...

Author(s) : Huang HeTian; Yang HongBo; Sun XiaoHong; Guo Feng

Publisher : Editorial Board of Journal of Fisheries Science, Dalian, China

Journal article : Fisheries Science (Dalian) 2021 Vol.40 No.2 pp.285-293

25. The remediation of sulfonamides from the environment by Pleurotus eryngii mycelium. Efficiency, products and mechanisms of mycodegradation.

The objective of the study was to assess the applicability of the mycelium obtained from the in vitro cultures of nontoxic bracket fungus, Pleurotus eryngii, to sulfonamides mycodegradation. Samples containing one of the six selected sulfonamides, sulfanilamide derivatives, were incubated with the...

Author(s) : Baran, W.; Adamek, E.; Wlodarczyk, A.; Lazur, J.; Opoka, W.; Muszynska, B.

Publisher : Elsevier Ltd, Oxford, UK

Journal article : Chemosphere 2021 Vol.262 ref.44