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Sharma D, Thakur A, Sharma MK, Bhardwaj A, Sihmar A, Dahiya H, Sharma AK, Kumar A, Berisha A, Om H. Experimental and computational studies on the corrosion inhibition potential of a novel synthesized thiophene and pyridine-based 1,3,4-oxadiazole hybrid against mild steel corrosion in 1 N HCl. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-32678-3. [PMID: 38446299 DOI: 10.1007/s11356-024-32678-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Accepted: 02/23/2024] [Indexed: 03/07/2024]
Abstract
A convenient synthesis of a novel 1,3,4-oxadiazole derivative, specifically known as, 2-(5-methylthiophen-2-yl)-5-(pyridin-3-yl)-1,3,4-oxadiazole (MTPO), is reported along with a comprehensive evaluation of its ability to inhibit the corrosion of mild steel (MS) in a 1 N HCl environment using weight loss, EIS, PDP, SEM, EDX, and UV-Vis spectroscopy. The investigated inhibitor expressed excellent inhibition efficiency (99.05% at 500 ppm, 298 K) with a mixed-type inhibitory mechanism as demonstrated by the PDP technique. Furthermore, MTPO followed Langmuir adsorption isotherm, which provides insights into the adsorption phenomena, demonstrating that it exhibits superior adsorption behavior on the MS surface compared. In silico investigations, using DFT computation and MD simulation complements the experimental outcomes revealing strong adsorbing attributes of the MTPO hybrid with the ω - and ω + values of 8.8882 eV and 4.4787 eV, respectively. In addition, the radial distribution function also addressed the chemisorption behavior of MTPO. This article also takes into consideration the various ways in which the inhibitor interacts with the mild steel, offering potential insights for developing strategies to mitigate metal dissolution in acidic environments.
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Affiliation(s)
- Deepak Sharma
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, 131039, India
| | - Abhinay Thakur
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, 144411, India
| | - Manish Kumar Sharma
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, 131039, India
| | - Anand Bhardwaj
- P.D. Patel Institute of Applied Sciences, Charotar University of Science & Technology, Changa, 388421, India
- Department of Material Science and Engineering, KTH Royal Institute of Technology, 11428, Stockholm, Sweden
| | - Ashish Sihmar
- Department of Chemistry, M. D. University, Rohtak, 124001, India
| | - Hariom Dahiya
- Department of Chemistry, M. D. University, Rohtak, 124001, India
| | - Ashok Kumar Sharma
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, 131039, India
| | - Ashish Kumar
- Nalanda College of Engineering, Bihar Engineering University, Department of Science, Technology and Technical Education, Government of Bihar, Nalanda, 803108, India
| | - Avni Berisha
- Department of Chemistry, Faculty of Natural and Mathematics Science, University of Prishtina, 10000, Prishtina, Kosovo
| | - Hari Om
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, 131039, India.
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Bhasker G, Salahuddin, Mazumder A, Kumar R, Kumar G, Ahsan MJ, Shahar Yar M, Khan F, Kapoor B. Hybrids of Benzimidazole-oxadiazole: A New Avenue for Synthesis, Pharmacological Activity and Recent Patents for the Development of More Effective Ligands. Curr Org Synth 2024; 21:976-1013. [PMID: 37916627 DOI: 10.2174/0115701794260740231010111408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 08/07/2023] [Accepted: 08/18/2023] [Indexed: 11/03/2023]
Abstract
BACKGROUND Two significant families of compounds i.e. 1,3,4-oxadiazole and benzimidazole, have undergone extensive investigation into their pharmacological characteristics and possible therapeutic applications. Both classes have shown their potential in a variety of applications, and because of their synergistic interactions, they may have an even better therapeutic impact when combined. OBJECTIVES To produce a specific molecule with potent therapeutic properties, it is now common methods to combine at least two pharmacophores. This facilitates interaction with several targets, enhances biological functions, or eliminates adverse effects associated with them. CONCLUSION The synthesis of benzimidazole-1,3,4-oxadiazole hybrid compounds has recently involved the use of several synthetic techniques, all of which are detailed in the literature along with the advantages and disadvantages. It has been noted that the structure-activity relationship relates their pharmacological actions to their molecular structure. In order to set the stage for future research, the study aims to provide researchers with an effective toolbox and an understanding of benzimidazole and 1,3,4-oxadiazole hybrid compounds.
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Affiliation(s)
- Gunjan Bhasker
- Department of Pharmaceutical Chemistry, Noida Institute of Engineering and Technology (Pharmacy Institute), Plot No. 19, Knowledge Park-II, Greater Noida, Uttar Pradesh, 201306, India
| | - Salahuddin
- Department of Pharmaceutical Chemistry, Noida Institute of Engineering and Technology (Pharmacy Institute), Plot No. 19, Knowledge Park-II, Greater Noida, Uttar Pradesh, 201306, India
| | - Avijit Mazumder
- Department of Pharmaceutical Chemistry, Noida Institute of Engineering and Technology (Pharmacy Institute), Plot No. 19, Knowledge Park-II, Greater Noida, Uttar Pradesh, 201306, India
| | - Rajnish Kumar
- Department of Pharmaceutical Chemistry, Noida Institute of Engineering and Technology (Pharmacy Institute), Plot No. 19, Knowledge Park-II, Greater Noida, Uttar Pradesh, 201306, India
| | - Greesh Kumar
- Department of Pharmaceutical Chemistry, Noida Institute of Engineering and Technology (Pharmacy Institute), Plot No. 19, Knowledge Park-II, Greater Noida, Uttar Pradesh, 201306, India
| | - Mohamed Jawed Ahsan
- Department of Pharmaceutical Chemistry, Maharishi Arvind College of Pharmacy, Ambabari Circle, Jaipur, Rajasthan, 302039, India
| | - Mohammad Shahar Yar
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard University, Hamdard Nagar, New Delhi, 110062, India
| | - Fahad Khan
- Department of Biotechnology, Noida Institute of Engineering and Technology, Plot No. 19, Knowledge Park-2, Greater Noida, Uttar Pradesh, 201306, India
| | - Bhupinder Kapoor
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwada, Punjab, 144411, India
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Singh P, Arpita, Kumar S, Kumar P, Kataria N, Bhankar V, Kumar K, Kumar R, Hsieh CT, Khoo KS. Assessment of biomass-derived carbon dots as highly sensitive and selective templates for the sensing of hazardous ions. NANOSCALE 2023; 15:16241-16267. [PMID: 37439261 DOI: 10.1039/d3nr01966g] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/14/2023]
Abstract
Access to safe drinking water and a hygienic living environment are the basic necessities that encourage healthy living. However, the presence of various pollutants (especially toxic heavy metal ions) at high concentrations in water renders water unfit for drinking and domestic use. The presence of high concentrations of heavy-metal ions (e.g., Pb2+, Hg2+, Cr6+, Cd2+, or Cu2+) greater than their permissible limits adversely affects human health, and increases the risk of cancer of the kidneys, liver, skin, and central nervous system. Therefore, their detection in water is crucial. Due to the various benefits of "green"-synthesized carbon-dots (C-dots) over other materials, these materials are potential candidates for sensing of toxic heavy-metal ions in water sources. C-dots are very small carbon-based nanomaterials that show chemical stability, magnificent biocompatibility, excitation wavelength-dependent photoluminescence (PL), water solubility, simple preparation strategies, photoinduced electron transfer, and the opportunity for functionalization. A new family of C-dots called "carbon quantum dots" (CQDs) are fluorescent zero-dimensional carbon nanoparticles of size < 10 nm. The green synthesis of C-dots has numerous advantages over conventional chemical routes, such as utilization of inexpensive and non-poisonous materials, straightforward operations, rapid reactions, and renewable precursors. Natural sources, such as biomass and biomass wastes, are broadly accepted as green precursors for fabricating C-dots because these sources are economical, ecological, and readily/extensively accessible. Two main methods are available for C-dots production: top-down and bottom-up. Herein, this review article discusses the recent advancements in the green fabrication of C-dots: photostability; surface structure and functionalization; potential applications for the sensing of hazardous anions and toxic heavy-metal ions; binding of toxic ions with C-dots; probable mechanistic routes of PL-based sensing of toxic heavy-metal ions. The green production of C-dots and their promising applications in the sensing of hazardous ions discussed herein provides deep insights into the safety of human health and the environment. Nonetheless, this review article provides a resource for the conversion of low-value biomass and biomass waste into valuable materials (i.e., C-dots) for promising sensing applications.
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Affiliation(s)
- Permender Singh
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, Sonipat-131039, Haryana, India.
| | - Arpita
- J. C. Bose University of Science & Technology, YMCA, Faridabad-121006, Haryana, India.
| | - Sandeep Kumar
- J. C. Bose University of Science & Technology, YMCA, Faridabad-121006, Haryana, India.
| | - Parmod Kumar
- J. C. Bose University of Science & Technology, YMCA, Faridabad-121006, Haryana, India.
| | - Navish Kataria
- J. C. Bose University of Science & Technology, YMCA, Faridabad-121006, Haryana, India.
| | - Vinita Bhankar
- Department of Biochemistry, Kurukshetra University, Kurukshetra-136119, Haryana, India
| | - Krishan Kumar
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, Sonipat-131039, Haryana, India.
| | - Ravi Kumar
- J. C. Bose University of Science & Technology, YMCA, Faridabad-121006, Haryana, India.
| | - Chien-Te Hsieh
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, Taiwan.
- Department of Mechanical, Aerospace, and Biomedical Engineering, University of Tennessee, Knoxville, TN 37996, USA
| | - Kuan Shiong Khoo
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, Taiwan.
- Centre for Herbal Pharmacology and Environmental Sustainability, Chettinad Hospital and Research Institute, Chettinad Academy of Research and Education, Kelambakkam-603103, Tamil Nadu, India
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Sharma D, Thakur A, Sharma MK, Sharma R, Kumar S, Sihmar A, Dahiya H, Jhaa G, Kumar A, Sharma AK, Om H. Effective corrosion inhibition of mild steel using novel 1,3,4-oxadiazole-pyridine hybrids: Synthesis, electrochemical, morphological, and computational insights. ENVIRONMENTAL RESEARCH 2023; 234:116555. [PMID: 37419199 DOI: 10.1016/j.envres.2023.116555] [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: 01/04/2023] [Revised: 06/13/2023] [Accepted: 07/02/2023] [Indexed: 07/09/2023]
Abstract
An easy synthesis of two 1,3,4-oxadiazole derivatives, namely, 2-phenyl-5-(pyridin-3-yl)-1,3,4-oxadiazole (POX) and 2-(4-methoxyphenyl)-5-(pyridin-3-yl)-1,3,4-oxadiazole (4-PMOX), and their corrosion-inhibition efficacy against mild steel corrosion in 1 N HCl, is evaluated using weight loss from 303 to 323 K, Electrochemical Impedance Spectroscopy (EIS), Potentiodynamic Polarization (PDP), Scanning Electron Microscopy (SEM), Energy Dispersive X-ray (EDX), UV-Vis spectroscopy, along with theoretical evaluation. Both POX and 4-PMOX exhibit excellent inhibition efficiency, with values reaching 97.83% and 98% at 500 ppm, respectively. The PDP analysis reveals that both derivatives act as mixed-type inhibitors. The Langmuir adsorption isotherm provides insights into the adsorption phenomena, demonstrating that 4-PMOX exhibits superior adsorption behavior on the mild steel surface compared to POX. This finding is further supported by SEM, DFT, RDF, and MSD analyses. Quantum mechanical parameters, including EHOMO, ELUMO, dipole moment (μ), energy gap (ΔE), etc., are in good agreement with the effectiveness of inhibition performance revealing ΔE values of 3.10 and 2.75 for POX and 4-PMOX, respectively. The results obtained from this study hold significant implications for researchers aiming to design more efficient organic inhibitors to combat metal corrosion.
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Affiliation(s)
- Deepak Sharma
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, 131039, India
| | - Abhinay Thakur
- Department of Chemistry, School of Chemical Engineering and Physical Sciences, Lovely Professional University, Phagwara, 144402, India
| | - Manish Kumar Sharma
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, 131039, India
| | - Renu Sharma
- Department of Physics, J. C. Bose University of Science and Technology, YMCA, Faridabad, 121006, India
| | - Suresh Kumar
- Department of Chemistry, M. D. University, Rohtak, 124001, India
| | - Ashish Sihmar
- Department of Chemistry, M. D. University, Rohtak, 124001, India
| | - Hariom Dahiya
- Department of Chemistry, M. D. University, Rohtak, 124001, India
| | - Gaurav Jhaa
- Department of Chemistry, Chemical Information Sciences Laboratory, Pondicherry University, Puducherry, 605014, India
| | - Ashish Kumar
- NCE, Department of Science and Technology, Government of Bihar, 803101, India
| | - Ashok Kumar Sharma
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, 131039, India.
| | - Hari Om
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science & Technology, Murthal, 131039, India.
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Arpita, Kumar P, Kataria N, Narwal N, Kumar S, Kumar R, Khoo KS, Show PL. Plastic Waste-Derived Carbon Dots: Insights of Recycling Valuable Materials Towards Environmental Sustainability. CURRENT POLLUTION REPORTS 2023; 9:1-21. [PMID: 37362608 PMCID: PMC10214366 DOI: 10.1007/s40726-023-00268-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 04/26/2023] [Indexed: 06/28/2023]
Abstract
Carbon dots (CDs) or carbon quantum dots (CQDs) have emerged as rising stars in the carbon family due to their diverse applications in various fields. CDs are spherical particles with a well-distributed size of less than 10 nm. Functional CDs are promising nanomaterials with low toxicity, low cost, and enormous applications in the field of bioimaging, optoelectronics, photocatalysis, and sensing. Plastic is non-biodegradable and hazardous to the environment, however extremely durable and used in abundance. During the COVID-19 pandemic, the use of plastic waste, particularly masks, goggles, face shields, and shoe cover, has increased tremendously. It needs to be recycled in a productive way as plastic wastes take hundreds or thousands of years to degrade naturally. The conversion of plastic waste into magnificent CDs has been reported as one of the key alternatives for environmental sustainability and socio-economic benefits. In this review, synthetic routes for the conversion of plastic wastes into CDs utilizing hydrothermal, solvothermal, pyrolysis, flash joule heating, and characterization of these CDs using different techniques, such as Fourier-transform infrared spectroscopy, Raman spectroscopy, X-ray diffraction, and transmission electron microscope, have been discussed. Furthermore, potential applications of these plastic-derived CDs in sensing, catalysis, agronomics, and LED lights are summarized herein.
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Affiliation(s)
- Arpita
- Faculty of Sciences, J. C. Bose University of Science & Technology, YMCA, Haryana 121006 Faridabad, India
| | - Parmod Kumar
- Faculty of Sciences, J. C. Bose University of Science & Technology, YMCA, Haryana 121006 Faridabad, India
| | - Navish Kataria
- Faculty of Sciences, J. C. Bose University of Science & Technology, YMCA, Haryana 121006 Faridabad, India
| | - Nishita Narwal
- University School of Environment Management, Guru Gobind Singh Indraprastha University, New Delhi, 110078 India
| | - Sandeep Kumar
- Faculty of Sciences, J. C. Bose University of Science & Technology, YMCA, Haryana 121006 Faridabad, India
| | - Ravi Kumar
- Faculty of Sciences, J. C. Bose University of Science & Technology, YMCA, Haryana 121006 Faridabad, India
| | - Kuan Shiong Khoo
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, Taiwan
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, 602105, Chennai, India
| | - Pau Loke Show
- Department of Chemical Engineering, Khalifa University, P.O. Box 127788, Abu Dhabi, United Arab Emirates
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Sharma MK, Parashar S, Sharma D, Jakhar K, Lal K, Pandya NU, Om H. Synthesis, characterization, docking and antimicrobial studies of binol based amide linked symmetrical bistriazoles. J INDIAN CHEM SOC 2023. [DOI: 10.1016/j.jics.2023.100973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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Gul Z, Khan S, Khan E. Organic Molecules Containing N, S and O Heteroatoms as Sensors for the Detection of Hg(II) Ion; Coordination and Efficiency toward Detection. Crit Rev Anal Chem 2022:1-22. [PMID: 36122189 DOI: 10.1080/10408347.2022.2121600] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Rapid detection of potentially toxic heavy metals like Hg(II) has attracted great attention in the last few decades due to the importance to maintain a safe and sustainable environment for human beings. Coordination chemistry and concepts therein, play an important role in the detection of Hg(II). Size, charge, and nature of the donor atom and the respective cation (metal ion), are crucial in selective interactions between the sensor and metal ions. The sensors designed for the purpose, coordinate to Hg(II) ion through various donor sites, coordination causes a change in the electron density in organic molecules and results in either visible color change or enhancing/quenching fluorescence intensity. Since Hg(II) is soft metal, with d10 electron system, so majority of the sensors have soft donor sites which prefer to coordinate with Hg(II). Oxygen is also present in some chelating ligands which is least preferred coordination site, due to its hard nature. There are several reports of replacing other ligating sites by sulfur for enhanced mercury sensing. In some cases, desulfurization is being detected as clear change in spectral behavior during the sensing process. Efforts are still in progress to design and introduce a sensor with utmost sensitivity and selectivity. In this review, we made an attempt to explain the coordination aspects of Hg(II) detectors, reasons for poor efficiency and possible suggestions to improve the selection criterion of various compounds. It will help researchers to know about important concepts in designing more sensitive and selective sensors for detection of Hg(II) in environmental and biological samples.
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Affiliation(s)
- Zarif Gul
- Department of Chemistry, University of Okara, Punjab, Pakistan
| | - Sikandar Khan
- Department of Chemistry, University of Malakand, Chakdara 18800, Khyber Pakhtunkhwa, Pakistan
| | - Ezzat Khan
- Department of Chemistry, University of Malakand, Chakdara 18800, Khyber Pakhtunkhwa, Pakistan
- Department of Chemistry, College of Science, University of Bahrain, Zallaq 32038, Kingdom of Bahrain
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