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Wang W, Yao Y, Xin J, Zhao X, Xie L, Zhu Z. Room-temperature highly sensitive triethylamine detection by few-layer Nb 2CT xMXene nanosheets. NANOTECHNOLOGY 2024; 35:215502. [PMID: 38377618 DOI: 10.1088/1361-6528/ad2b4a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 02/20/2024] [Indexed: 02/22/2024]
Abstract
MXene, a class of two-dimensional materials that are emerging as rising stars in the field of materials, are receiving much attention in sensing. Ti3C2TxMXene, the most maturely researched MXene, is widely used in energy, biomedical, laser, and microwave shielding applications and has also been expanded to gas sensing and wearable electronics applications. Compared with Ti3C2Tx, Nb2CTxMXene is more difficult to etch and has higher resistances at room temperature; so, few studies have been reported on their use in the sensing field. Based on the preparation of few-layer Nb2CTxMXene by intercalation, this study thoroughly examined their gas-sensing properties. The successfully prepared few-layer Nb2CTxshowed good selectivity and high sensitivity to triethylamine at room temperature, with response values up to 47.2% for 50 ppm triethylamine and short response/recovery time (22/20 s). This study opens an important path for the design of novel Nb-based MXene sensors for triethylamine gas detection.
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Affiliation(s)
- Wenxing Wang
- School of Energy and Materials, Shanghai Polytechnic University, Shanghai, 201209, People's Republic of China
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People's Republic of China
| | - Yu Yao
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People's Republic of China
| | - Jiangang Xin
- School of Energy and Materials, Shanghai Polytechnic University, Shanghai, 201209, People's Republic of China
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People's Republic of China
| | - Xueling Zhao
- School of Energy and Materials, Shanghai Polytechnic University, Shanghai, 201209, People's Republic of China
| | - Lili Xie
- School of Energy and Materials, Shanghai Polytechnic University, Shanghai, 201209, People's Republic of China
| | - Zhigang Zhu
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200093, People's Republic of China
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2
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Muruganandam N, Narayanan R. Divulging the dust: An examination of particle deposition on soft ocular lens during urban commuting. CHEMOSPHERE 2023; 344:140355. [PMID: 37806329 DOI: 10.1016/j.chemosphere.2023.140355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2023] [Revised: 09/22/2023] [Accepted: 10/02/2023] [Indexed: 10/10/2023]
Abstract
Air pollution affecting the eye is a relatively new, emerging area of research that has implications for urban commuting and is the key first study. This article emphasizes the importance of understanding the effects of particle deposition on the human eye using soft lenses and their exposure, as well as identifying the chemical, elemental composition, and morphology of particles when commuting over a period of 21-day period. In this study, the focus is on personal sampling with soft contact lenses (42% Hioxifilcon A, 58% H2O) to understand particle deposition on ocular along with cascade to understand cut-off size. Volunteers are used for five different modes, namely bus, open and closed car windows, pedestrian, and two-wheeler. The SEM results show that the morphology in buses, pedestrians and cars are denser, irregular, and nodular, with no or minimal interstitial pores, while the particles in two-wheelers appeared to be fibrous, thin, crystalline, and non-porous ranging from 51.2 nm to 406.3 nm. The ICPMS results show the higher concentration compositions for different commuter types, namely: zinc (0.0562 μg/m3 and 0.1076 μg/m3) for buses and pedestrians, potassium (1.5013 μg/m3) and calcium (2.5892 μg/m3), magnesium (2.978 μg/m3), potassium (4.197 μg/m3), calcium (22.335 μg/m3) and iron (7.526 μg/m3) for two-wheelers. The organic elemental composition from FTIR predominant groups namely carbonyl, carboxylic, OH, N-H, C-H, CC, CO, and C-O. The experiment concludes that travellers in two-wheelers and pedestrians are more susceptible to particle deposits which leads to several ocular effects such as eye-irritation, dryness, and visual impairment.
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Affiliation(s)
- Niveditha Muruganandam
- Department of Civil Engineering, Kumaraguru College of Technology, Coimbatore, Tamil Nadu, 641049 India; Research Scholar, Anna University, Chennai, Tamil Nadu, 600025 India
| | - Ramsundram Narayanan
- Department of Civil Engineering, Kumaraguru College of Technology, Coimbatore, Tamil Nadu, 641049 India.
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3
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Mohan B, Sarkar D, Raja Lakshmi P, Umadevi D, Shanmugaraju S. N-aryl-4-amino-1,8-naphthalimide Tröger's bases-based internal charge transfer (ICT) fluorescence ‘turn-on’ chemosensors for volatile organic amines. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114727] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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4
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Islam K, Bhunia BK, Mandal G, Nag B, Jaiswal C, Mandal BB, Kumar A. Room-Temperature, Copper-Free, and Amine-Free Sonogashira Reaction in a Green Solvent: Synthesis of Tetraalkynylated Anthracenes and In Vitro Assessment of Their Cytotoxic Potentials. ACS OMEGA 2023; 8:16907-16926. [PMID: 37214732 PMCID: PMC10193572 DOI: 10.1021/acsomega.3c00732] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Accepted: 04/20/2023] [Indexed: 05/24/2023]
Abstract
The multifold Sonogashira coupling of a class of aryl halides with arylacetylene in the presence of an equivalent of Cs2CO3 has been accomplished using a combination of Pd(CH3CN)2Cl2 (0.5 mol %) and cataCXium A (1 mol %) under copper-free and amine-free conditions in a readily available green solvent at room temperature. The protocol was used to transform several aryl halides and alkynes to the corresponding coupled products in good to excellent yields. The rate-determining step is likely to involve the oxidative addition of Ar-X. The green protocol provides access to various valuable polycyclic aromatic hydrocarbons (PAHs) with exciting photophysical properties. Among them, six tetraalkynylated anthracenes have been tested for their anticancer properties on the human triple-negative breast cancer (TNBC) cell line MDA-MB-231 and human dermal fibroblasts (HDFs). The 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay was performed to find out the IC50 concentration and lethal dose. The compounds being intrinsically fluorescent, their cellular localization was checked by live cell fluorescence imaging. 4',6-Diamidino-2-phenylindole (DAPI) and propidium iodide (PI) staining was performed to check apoptosis and necrosis, respectively. All of these studies have shown that anthracene and its derivatives can induce cell death via DNA damage and apoptosis.
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Affiliation(s)
- Khadimul Islam
- Department
of Chemistry, Indian Institute of Technology
Guwahati, Guwahati 781039, Assam, India
| | - Bibhas K. Bhunia
- Biomaterials
and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Gargi Mandal
- Centre
for Nanotechnology, Indian Institute of
Technology Guwahati, Guwahati 781039, Assam, India
| | - Bedabara Nag
- Department
of Chemistry, Indian Institute of Technology
Guwahati, Guwahati 781039, Assam, India
| | - Chitra Jaiswal
- Biomaterials
and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Biman B. Mandal
- Biomaterials
and Tissue Engineering Laboratory, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
- Centre
for Nanotechnology, Indian Institute of
Technology Guwahati, Guwahati 781039, Assam, India
- Jyoti
and Bhupat Mehta School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
| | - Akshai Kumar
- Department
of Chemistry, Indian Institute of Technology
Guwahati, Guwahati 781039, Assam, India
- Centre
for Nanotechnology, Indian Institute of
Technology Guwahati, Guwahati 781039, Assam, India
- Jyoti
and Bhupat Mehta School of Health Sciences and Technology, Indian Institute of Technology Guwahati, Guwahati 781039, Assam, India
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Shayuti MSM, Zainal S, Ya TMYST, Abdullah MZ, Shahruddin MZ, Othman NH, Alias NH, Mohd TAT, Sharudin RW. Assessment of contaminants in sand production from petroleum wells offshore Sabah. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:17122-17128. [PMID: 35469382 DOI: 10.1007/s11356-022-20389-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 04/18/2022] [Indexed: 06/14/2023]
Abstract
Sand production remains a huge obstacle in many oil and gas fields around the world, but the hazards of contaminants riding on the produced sand are often not emphasised. Improper disposal of the sand could see the toxic leaching into the environment including the food chain, endangering all living organisms. The impending sand production from an oilfield offshore Sabah also suffers from the lack of hazards identification; hence, this study was conducted to assess the contaminant on the produced sand. Sand samples were collected from multiple wells in the area, with the contaminants extracted using n-hexane and subjected to chemical and thermal analyses. FTIR and GC-MS detected traces of harmful pollutants like naphthalene, amine substances, cyclohexanol, and short-chain alkanes. It was discovered that the volatile fraction of the contaminants was able to evaporate at 33 °C, while high energy was needed to remove 100% of the contaminants from the sand. Overall, the produced sand from the oilfield was unsafe and required treatment before it could be dumped or used.
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Affiliation(s)
- Muhammad Shafiq Mat Shayuti
- Mechanical Engineering Department, Universiti Teknologi PETRONAS, 32610, Seri Iskandar, Perak, Malaysia.
- College of Engineering, School of Chemical Engineering, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia.
| | - Suzalina Zainal
- Group Research & Technology, PETRONAS, 43000, Bandar Baru Bangi, Selangor, Malaysia
| | - Tuan Mohammad Yusoff Shah Tuan Ya
- Mechanical Engineering Department, Universiti Teknologi PETRONAS, 32610, Seri Iskandar, Perak, Malaysia
- High Performance Computing Centre, Universiti Teknologi PETRONAS, 32610, Seri Iskandar, Perak, Malaysia
| | - Mohamad Zaki Abdullah
- Mechanical Engineering Department, Universiti Teknologi PETRONAS, 32610, Seri Iskandar, Perak, Malaysia
| | - Munawar Zaman Shahruddin
- College of Engineering, School of Chemical Engineering, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia
| | - Nur Hidayati Othman
- College of Engineering, School of Chemical Engineering, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia
| | - Nur Hashimah Alias
- College of Engineering, School of Chemical Engineering, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia
| | - Tengku Amran Tengku Mohd
- College of Engineering, School of Chemical Engineering, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia
| | - Rahida Wati Sharudin
- College of Engineering, School of Chemical Engineering, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia
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Acute Foggy Corneal Epithelial Disease: Seeking Clinical Features and Risk Factors. J Clin Med 2022; 11:jcm11175092. [PMID: 36079023 PMCID: PMC9457359 DOI: 10.3390/jcm11175092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/17/2022] [Accepted: 08/21/2022] [Indexed: 11/17/2022] Open
Abstract
(1) Purpose: Here, we describe the clinical characteristics and predisposing factors of acute foggy corneal epithelial disease, a rare disease newly found during COVID-19 pandemic; (2) Methods: In this single-arm, ambispective case series study, ten patients with acute foggy corneal epithelial disease admitted between May 2020 and March 2021 were enrolled. Their detailed medical history and clinical and ophthalmic findings were recorded and analyzed; (3) Results: All the patients were female (100%), aged from 28 to 61 years (mean age of 40.4 ± 9.3 years). Seven cases (70%) had excessive eye use, and six cases (60%) had stayed up late and were overworked. Ten subjects (100%) presented with acute onset and a self-healing tendency. There was a mild-to-moderate decrease in the corrected visual acuity (0.35 ± 0.21 (LogMAR)). Slit-lamp examination showed diffuse dust-like opacity and edema in the epithelial layer of the cornea. By in vivo confocal microscope, epithelial cells presented characteristically a “relief-like” appearance. Anterior segment optical coherence tomography examination revealed that the mean epithelial thickness was increased (69.25 ± 4.31 μm, p < 0.01); (4) Conclusions: Acute foggy corneal epithelial disease is a rare disease in clinic, which tends to occur in young and middle-aged females. The typical clinical symptom is sudden foggy vision, which occurs repeatedly and can be relieved without treatment. Sex, an abnormal menstrual cycle, overuse of the eyes, fatigue and pressure might be risk factors. Changes in lifestyle and eye use habit during the COVID-19 pandemic may have possibly contributed to this disease incidence.
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7
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Pati C, Ghosh K. Aryl ethers decorated gallic acid–naphthalimide conjugate: aggregation and sensing towards amines and F−. Supramol Chem 2019. [DOI: 10.1080/10610278.2019.1690147] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Chiranjit Pati
- Department of Chemistry, University of Kalyani, Kalyani, India
| | - Kumaresh Ghosh
- Department of Chemistry, University of Kalyani, Kalyani, India
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8
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Jiang L, Tian J, Zhao F, Yu S, Shi D, Wang X, Yu X, Pu L. Fluorescent Recognition of Functional Secondary Amines in the Fluorous Phase. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900113] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Le Jiang
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
| | - Jun Tian
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
| | - Feng Zhao
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
| | - Shanshan Yu
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
| | - Dan Shi
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
| | - Xinjing Wang
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
| | - Xiaoqi Yu
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
| | - Lin Pu
- Key Laboratory of Green Chemistry and Technology; Ministry of Education; College of Chemistry; Sichuan University; Chengdu 610064 China
- Department of Chemistry; University of Virginia; McCormick Rd Charlottesville VA 22904 USA
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9
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Wurtz M, Becmeur PH, Chammas J, Bocskei Z, Treser F, Sauer A, Gaucher D, Speeg-Schatz C, Bourcier T. [Glaucopsia after occupational exposure to amines]. J Fr Ophtalmol 2018; 41:e495-e497. [PMID: 30472006 DOI: 10.1016/j.jfo.2018.03.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 03/25/2018] [Accepted: 03/26/2018] [Indexed: 11/17/2022]
Affiliation(s)
- M Wurtz
- Service d'ophtalmologie, nouvel hôpital Civil, hôpitaux universitaires et université de Strasbourg, 1, place de l'Hôpital, BP 426, 67091 Strasbourg cedex, France.
| | - P-H Becmeur
- Service d'ophtalmologie, nouvel hôpital Civil, hôpitaux universitaires et université de Strasbourg, 1, place de l'Hôpital, BP 426, 67091 Strasbourg cedex, France
| | - J Chammas
- Service d'ophtalmologie, nouvel hôpital Civil, hôpitaux universitaires et université de Strasbourg, 1, place de l'Hôpital, BP 426, 67091 Strasbourg cedex, France
| | - Z Bocskei
- Service d'ophtalmologie, nouvel hôpital Civil, hôpitaux universitaires et université de Strasbourg, 1, place de l'Hôpital, BP 426, 67091 Strasbourg cedex, France
| | - F Treser
- Centre de médecine du travail, 16, rue de Leicester, 67000 Strasbourg, France
| | - A Sauer
- Service d'ophtalmologie, nouvel hôpital Civil, hôpitaux universitaires et université de Strasbourg, 1, place de l'Hôpital, BP 426, 67091 Strasbourg cedex, France
| | - D Gaucher
- Service d'ophtalmologie, nouvel hôpital Civil, hôpitaux universitaires et université de Strasbourg, 1, place de l'Hôpital, BP 426, 67091 Strasbourg cedex, France
| | - C Speeg-Schatz
- Service d'ophtalmologie, nouvel hôpital Civil, hôpitaux universitaires et université de Strasbourg, 1, place de l'Hôpital, BP 426, 67091 Strasbourg cedex, France
| | - T Bourcier
- Service d'ophtalmologie, nouvel hôpital Civil, hôpitaux universitaires et université de Strasbourg, 1, place de l'Hôpital, BP 426, 67091 Strasbourg cedex, France
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Calvino C, Piechowicz M, Rowan SJ, Schrettl S, Weder C. A Versatile Colorimetric Probe based on Thiosemicarbazide–Amine Proton Transfer. Chemistry 2018; 24:7369-7373. [DOI: 10.1002/chem.201801551] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Indexed: 01/24/2023]
Affiliation(s)
- Céline Calvino
- Adolphe Merkle Institute Chemin des Verdier 4 1700 Fribourg Switzerland
| | - Marek Piechowicz
- Department of ChemistryInstitute for Molecular EngineeringThe University of Chicago 5640 S Ellis Ave. Chicago Illinois 60637 USA
| | - Stuart J. Rowan
- Department of ChemistryInstitute for Molecular EngineeringThe University of Chicago 5640 S Ellis Ave. Chicago Illinois 60637 USA
| | - Stephen Schrettl
- Adolphe Merkle Institute Chemin des Verdier 4 1700 Fribourg Switzerland
| | - Christoph Weder
- Adolphe Merkle Institute Chemin des Verdier 4 1700 Fribourg Switzerland
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11
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Hwang Y, Cho YK. Two Cases of Corneal Edema Due to Vaporized Amine. JOURNAL OF THE KOREAN OPHTHALMOLOGICAL SOCIETY 2018. [DOI: 10.3341/jkos.2018.59.11.1077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Affiliation(s)
- Yousook Hwang
- Department of Ophthalmology and Visual Science, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Yang Kyung Cho
- Department of Ophthalmology and Visual Science, College of Medicine, The Catholic University of Korea, Seoul, Korea
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