Article
Chemistry, Organic
Tarun Kumar Dinda, Prasenjit Mal
Summary: In this study, the activation of C-Br bond of CBrX3 was achieved using a visible-light photocatalyst, leading to the synthesis of gem-dihaloenones. The reaction proceeded through electron transfer and C-C cross-coupling. Experimental results indicated that the reaction followed the SET mechanism.
JOURNAL OF ORGANIC CHEMISTRY
(2023)
Article
Chemistry, Physical
Yiwen Yang, Haifeng Qi, Huixiang Li, Zhanwei Xu, Xiumei Liu, Shuyin Yu, Zongchao Conrad Zhang
Summary: In this study, paired PdCl2-CuCl exhibited excellent synergetic catalytic activity in the hydrolysis of beta-1,4-glycosidic bonds in cellulose, forming a stable heterometallic complex anion. This catalytic system showed good performance in efficient cellulose and glucose conversion, demonstrating potential for high value-added chemical production.
Article
Chemistry, Organic
Xiao Yun Chen, Shuxia Yuan, Yan Chen, Chenyang Sun, Yaonan Tang, Guang Chen, Baocheng Zhu, Kaiwei Chen, Shaojun Zheng, Xiaofang Cheng
Summary: A new two-step one-pot aminobromination/chlorination of carbonyl alkynes has been developed, resulting in various alpha-X (X = Br or Cl) enamino ketones/esters in moderate to good yields. A solvent-controllable protocol has also been established for the synthesis of versatile 3-(2,5-dioxopyrrolidin-1-yl)acrylates in moderate yields using toluene as the solvent and chain alkyl propiolates as alkynyl substrates.
ORGANIC & BIOMOLECULAR CHEMISTRY
(2021)
Article
Chemistry, Inorganic & Nuclear
Xiaoqiang Xiao, Siqi Liu, Mingzhong Cai
Summary: An efficient heterogeneous gold(I)-catalyzed cascade oxidation/1,2-alkynyl migration/cyclization reaction has been developed for the synthesis of various 3-formylfurans. The reaction proceeds under mild conditions with good to excellent yields and the catalyst can be easily recovered and reused multiple times.
JOURNAL OF ORGANOMETALLIC CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Vijayalaxmi Gavinolla, Swathi Thangalipalli, Siddarama Goud Bandalla, Ramaraju Panduga, Chandra Kiran Neella
Summary: A temperature-dependent regioselective halogenation of phenols and anilines in water using stable Lewis base adducts has been reported. The method shows excellent yields and selectivity, and the products can be easily isolated without column chromatographic purification.
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Chemistry, Physical
Ravinder Sharma, Harsh Kumar, Meenu Singla, Vaneet Kumar, Abdullah A. Al-Kahtani, Sadanand Pandey
Summary: In this study, molecular interactions between ternary mixtures containing ionic liquid and amino acids were investigated using density and speed of sound measurements. The obtained data provided insights into solvation behavior, structural changes, and intermolecular interactions.
JOURNAL OF MOLECULAR LIQUIDS
(2022)
Article
Thermodynamics
Harsh Kumar, Ravinder Sharma, Vaneet Kumar, Manawwer Alam
Summary: The density and speed of sound of an aqueous solution of glycine and L-valine containing 1-dodecyl-3-methylimidazolium bromide were studied, and the apparent molar volumes and partial molar volume were calculated. The apparent molar volumes for both amino acids showed positive values that increased with temperature and concentration of the bromide compound.
JOURNAL OF CHEMICAL THERMODYNAMICS
(2021)
Article
Chemistry, Physical
Harsh Kumar, Ravinder Sharma, Vaneet Kumar, Asma A. Alothman
Summary: The study investigated the interactions of L-cysteine and N-acetyl L-cysteine with the ionic liquid 1-hexyl-3-methylimidazolium bromide at different temperatures using volumetric and acoustic properties. Various parameters were calculated from density and sound speed data to describe the structure-building and behavior of amino acids in aqueous solutions of the ionic liquid.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Thermodynamics
Harsh Kumar, Ravinder Sharma, Vaneet Kumar, Najla AlMasoud
Summary: This study reports density and ultrasonic velocity data for L-leucine and N-acetyl L-leucine in aqueous solutions of 1-hexyl-3-methylimidazolium bromide at different concentrations and temperatures. Thermodynamic parameters were calculated from the experimental data to study solvation behavior and interactions in the ternary solutions.
JOURNAL OF CHEMICAL THERMODYNAMICS
(2021)
Article
Chemistry, Organic
Guofang Jiang, Guoqing Chen, Jiangnan Yang, Hongxia Li, Zhongsheng Chen, Zongbo Xie, Zhanggao Le
Summary: In this study, a novel cyclization reagent alpha-phenylglyoxylic acid was used to synthesize compounds with different ring structures through reactions with ortho-functionalized anilines in deep eutectic solvents. The reactions proceeded without the need for additional catalysts and achieved high yields under mild conditions.
SYNTHESIS-STUTTGART
(2022)
Article
Thermodynamics
Xin Guan, Xinyuan Zhang, Zhe Gu, Ying Wei, Qingguo Zhang
Summary: This paper investigates the thermodynamic properties of an ether-based-functionalized ionic liquid and studies different mixture systems under various temperature and pressure conditions. The experimental results show reasonable changes in excess properties. Additionally, the COSMO-RS model based on DFT calculation is used to evaluate the intermolecular interaction situations of the mixture systems.
JOURNAL OF CHEMICAL AND ENGINEERING DATA
(2022)
Article
Thermodynamics
Xin Guan, Xinyuan Zhang, Zhe Gu, Ying Wei, Qingguo Zhang
Summary: This paper measured the thermodynamic properties of an ether-based-functionalized ionic liquid and studied its mixture systems with other solvents. The excess molar volume and viscosity deviation were obtained through experimental data and model fitting, and the intermolecular interaction of the mixture systems was evaluated using a computational model.
JOURNAL OF CHEMICAL AND ENGINEERING DATA
(2022)
Article
Engineering, Environmental
Mohammad Javad Amiri, Alireza Faraji, Morteza Azizi, Bahareh Goudarzi Nejad, Mohammad Arshadi
Summary: In this study, ostrich bone waste (OBW) was modified with hydrogen peroxide to produce OBW/HP with excellent chemical and mechanical strength as a sustainable catalyst for recovering heavy metal ions from industrial wastewater and degrading dyes. The modified OBW showed promising results in activating peroxymonosulfate, removing various dyes, and degrading organic buffers. The materials also exhibited advantages such as low cost, sustainability, high stability, no metal leaching, and recyclability.
PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
(2021)
Article
Engineering, Manufacturing
Waluyo Adi Siswanto, Kirill Borodin, Zaid Hamid Mahmoud, A. Surendar, Sami Sajjadifar, Galiya Abdilova, Jun Chang
Summary: This study investigates the effect of aging temperature on the barrel-type solder joint lifetime of electronic devices, finding that as aging temperature increases, the lifetime decreases. The Morrow energy model was identified as the best prediction model when considering aging temperature.
SOLDERING & SURFACE MOUNT TECHNOLOGY
(2021)
Article
Multidisciplinary Sciences
Hojat Veisi, Bikash Karmakar, Taiebeh Tamoradi, Reza Tayebee, Sami Sajjadifar, Shahram Lotfi, Behrooz Maleki, Saba Hemmati
Summary: This study synthesized a bio-inspired Fe3O4@Fritillaria/Pd nanocomposite using phytochemicals to modify magnetic nanoparticles, demonstrating excellent catalytic performance and recyclability without the need for additional toxic reagents.
SCIENTIFIC REPORTS
(2021)
Review
Food Science & Technology
Solmaz Saremnezhad, Mostafa Soltani, Alireza Faraji, Ali Adnan Hayaloglu
Summary: There is a growing demand for nutritious and safe food products, and cold plasma technology has found various applications in the food industry. Research on the effects of cold plasma on food quality is increasing, with potential to improve functional characteristics and reduce anti-nutritional compounds. However, there are still research gaps and drawbacks that need to be addressed for the future development of this technology.
FOOD RESEARCH INTERNATIONAL
(2021)
Article
Chemistry, Multidisciplinary
Fatemeh Ashouri, Ali Reza Faraji, Zahra Hekmatian, Alireza Farahanipour
Summary: In this study, four magnetic nanocomposites were designed and constructed for efficient synthesis of various compounds. These nanocomposites showed advantages such as easy recovery, short reaction time, and reusability.
Article
Chemistry, Inorganic & Nuclear
Sobhan Rezayati, Fatemeh Kalantari, Ali Ramazani, Sami Sajjadifar, Hamideh Aghahosseini, Aram Rezaei
Summary: An efficient and heterogeneous magnetic nanocatalyst Fe3O4@SiO2@GP/Picolylamine-Cu(II) was synthesized and successfully applied in Biginelli condensation for the preparation of biologically active compounds with high conversions and reusability. The catalyst system exhibited several significant advantages, including convenient and clean reaction conditions, gram-scale synthesis, usage of nontoxic solvent, improved yield, short reaction times, and high durability. Additionally, the nanocatalyst could be recycled by an external magnet for multiple runs with only a slight decrease in product yields.
INORGANIC CHEMISTRY
(2022)
Article
Materials Science, Multidisciplinary
Tzu-Chia Chen, Indah Raya, Shafik S. Shafik, Abdullah Hasan Jabbar, Dmitry Tumanov, Aravindhan Surendar, Andrei Sevbitov, Huynh Tan Hoi, Yasser Fakri Mustafa, Kabanov Oleg Vladimirovich, Mustafa M. Kadhim, Sami Sajjadifar, Nikolay Repnikov
Summary: This study investigates the ion irradiation effects on Cu60Zr40 metallic glass using molecular dynamics simulation and proposes possible pathways for achieving maximum rejuvenation and ductility through optimized atomic structure.
MODELLING AND SIMULATION IN MATERIALS SCIENCE AND ENGINEERING
(2022)
Article
Engineering, Electrical & Electronic
Tzu-Chia Chen, Maria Jade Catalan Opulencia, Hasan Sh. Majdi, Ali Thaeer Hammid, Himanshu Sharma, Sami Sajjadifar, Aravindhan Surendar
Summary: Rapid and accurate reliability assessment is crucial in electronic device design. This study introduces a machine learning algorithm to estimate the fatigue lifetime of ball grid solder joints under thermomechanical loading cycles, achieving quick estimation. Finite element simulations were conducted to investigate the creep behavior of the solder joints under different thermal loading conditions, and the collected data were used in the machine learning algorithm to accurately predict the lifetime of the solder joints.
JOURNAL OF ELECTRONIC MATERIALS
(2022)
Article
Materials Science, Multidisciplinary
Gunawan Widjaja, Kirill Ershov, Supat Chupradit, Wanich Suksatan, M. Kavitha, Mohammed Abed Jawad, Irina Fardeeva, Sukaina Tuama Ghafel, Yasser Fakri Mustafa, Mustafa M. Kadhim, Sami Sajjadifar
Summary: This study demonstrates that the addition of a small amount of hydrogen alters the morphology and quantity of shear bands, leading to higher plastic deformation. The characterization of shear bands further reveals that hydrogenation intensifies the fluctuation of energy dissipation and broadens the affected zone.
Article
Chemistry, Multidisciplinary
Hooman Taherkhani, Ali Ramazani, Sami Sajjadifar, Hamideh Aghahossieini, Aram Rezaei
Summary: A green and ecofriendly nanocatalyst was synthesized and its activity in the synthesis of important organic compounds was evaluated. The catalyst exhibited high catalytic activity and could be quickly separated using an external magnet and reused multiple times.
Article
Biochemistry & Molecular Biology
Yasamin Ajdari, Ali Reza Faraji, Fatemeh Ashouri
Summary: This study aims to develop an efficient and environmentally sustainable biocatalyst for the synthesis of vitamin K3. Novel Co NPs impregnated pectin-gelatin and grafted pectin-gelatin modified magnetic beads were designed and fabricated. The green synthesis method showed advantages such as the heterogeneous nature of catalysts, environmentally-friendly conditions, high activity, and sustainable performance of the biocatalyst.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2022)
Article
Metallurgy & Metallurgical Engineering
Anas A. Salameh, Hossein Hosseinalibeiki, Sami Sajjadifar
Summary: This paper demonstrates the feasibility of using deep neural network as a comprehensive tool in reliability analysis of solder joints under mechanical loading. By applying artificial intelligence and finite element simulations, reliability analysis can be conducted at the electronic design level. The results show that the proposed prediction model accurately captures the effects of crucial parameters on solder joint lifetime.
WELDING IN THE WORLD
(2022)
Article
Chemistry, Multidisciplinary
Sara Movahedian, Ali Reza Faraji, Fatemeh Ashouri
Summary: A magnetic-chitosan/amine-supported CuNP composite was fabricated and proven to be an efficient biocomposite for the degradation of HEPES as a biological pollutant and for selective allylic oxidation of cyclohexene. The dispersion of Cu NPs and the catalytic performance of the activator were promoted by the appropriate nature and particle size of the self-cross-linked amine-aldehyde-chitosan matrix. The composite showed high removal efficiency and pseudo-first order kinetics in wide pH ranges.
NEW JOURNAL OF CHEMISTRY
(2023)
Article
Chemistry, Multidisciplinary
Behzad Bornas, Ali Reza Faraji, Fatemeh Ashouri
Summary: Due to the emerging demand for sustainable and cost-effective materials in catalytic systems, biopolymers derived from natural sources have been developed as promising alternatives to expensive and limited state-of-the-art materials. In this study, a new super magnetization bio-composite (MIOSC-N-et-NH2@CS-Mn) was designed and fabricated for advanced oxidative processes. The performance and characteristics of the magnetic bio-composite were thoroughly evaluated, and it showed high efficiency in degrading methylene orange and oxidizing ethylbenzene. Furthermore, the catalyst exhibited great stability, high recovery efficiency, and low metal leaching, making it suitable for water purification and selective aerobic oxidation of organic compounds.
Article
Chemistry, Multidisciplinary
Masoud Karimi, Ali Ramazani, Sami Sajjadifar, Sobhan Rezayati
Summary: In this study, a novel heterogeneous magnetic nanocatalyst was prepared by directly binding a copper(II) complex containing a pyridine-2-carbaldehyde ligand onto ethylenediamine functionalized with Fe3O4@SiO2 nanoparticles. The structural and magnetic properties of the synthesized nanoparticles were characterized using various techniques. The nanocatalyst exhibited excellent catalytic activity in the synthesis reaction of pyran derivatives and 2-benzylidenemalononitrile derivatives, and it could be easily separated and reused multiple times.