Article
Chemistry, Physical
Qi Xu, Yan Yan, Yazhou Jiao, Jinxiong Wu, Xiuling Yan, Xintai Su
Summary: Environmental pollution, especially the irreversible damage caused by heavy metals, has attracted wide attention. Adsorption is an effective method to remove heavy metal ions. In this study, humic acid was functionalized to enhance its adsorption capacity for Pb(II). The results showed that oxidized-biochar had a strong adsorption capacity due to the presence of reactive oxygen species. The findings are of guiding significance for the application of weathered coal as an adsorbent or cation exchanger.
Article
Engineering, Chemical
Yangyang Wang, Shuwen Chen, Ronghao Liu, Lixin Zhang, Wenfeng Xue, Yanzhao Yang
Summary: This study developed a phase change temperature-controlled system for the extraction and separation of precious metals from secondary resources using an efficient ionic liquid. The UCST-type ionic liquid showed outstanding selectivity and temperature-controlled phase transition. The extraction behavior of the ionic liquid was optimized by adjusting experimental parameters. The study also revealed the extraction mechanism of anion exchange for the precious metals.
SEPARATION AND PURIFICATION TECHNOLOGY
(2022)
Review
Chemistry, Multidisciplinary
Jingwen Zhang, Lin Yang, Honghai Liu
Summary: This study summarizes the process and characteristics of wood processing using supercritical CO2, providing a clean and efficient method for wood processing. The research shows that this method, combining the unique structure and chemical properties of wood with scCO2 technology, yields positive results.
APPLIED SCIENCES-BASEL
(2021)
Article
Chemistry, Inorganic & Nuclear
Christopher D. Hastings, Lucy S. X. Huffman, Chandan Kumar Tiwari, Jolaine Galindo Betancourth, William W. Brennessel, Brandon R. Barnett
Summary: In this study, a synthetic method for a tripodal ligand scaffold is reported, which forms a narrow and rigid cavity through a macrocyclization reaction. The resulting coordination complexes exhibit a narrow cavity and an open metal coordination site. It is shown that acetonitrile entry into the cavity is sterically precluded, disrupting anticipated coordination at the intracavity site. A new tripodal ligand system is used to access unsaturated metallates of cobalt(II), nickel(II), and zinc(II).
INORGANIC CHEMISTRY
(2023)
Article
Environmental Sciences
Junhua Sun, Guoxin Sun, Xiuxian Zhao, Xiaolei Liu, Heng Zhao, Chengjin Xu, Liangguo Yan, Xuchuan Jiang, Yu Cui
Summary: A novel superabsorbent PVAP was designed and prepared for ultrafast kinetic adsorption of Pb(II) from acidic wastewater. It showed high removal efficiency, wide pH range adaptability, and the capability to simultaneously remove other heavy metal ions, making it a promising candidate for acidic heavy metal sewage disposal.
Article
Chemistry, Multidisciplinary
Junhua Sun, Guoxin Sun, Xiuxian Zhao, Heng Zhao, Zhongjiang Yang, Liangguo Yan, Xuchuan Jiang, Yu Cui
Summary: A novel porous adsorbent TPEI was designed for removing Pb(II) and Cr(VI) from acidic wastewater, showing high adsorption capacities at low pH values and stability for reuse. This study provides a new strategy for the purification of acidic heavy metal wastewater.
NEW JOURNAL OF CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Junhua Sun, Xiuxian Zhao, Guoxin Sun, Heng Zhao, Zhen Yang, Liangguo Yan, Xuchuan Jiang, Yu Cui
Summary: This study addresses the challenge of directly adsorbing heavy metal ions from acidic wastewater by constructing a novel polystyrene phosphate resin. The hydrophilic adsorption material showed improved adsorption performance, achieving optimal adsorption of Pb(ii) at pH=4 and reaching equilibrium in 20 minutes. Compared with other polystyrene-based adsorbents, the material exhibited faster adsorption rates at lower pH values. The adsorption mechanism was elucidated through FTIR, XPS analysis, and DFT calculations, providing insights for its industrial applications in acidic heavy metal sewage.
NEW JOURNAL OF CHEMISTRY
(2022)
Article
Chemistry, Multidisciplinary
Junhua Sun, Xiuxian Zhao, Guoxin Sun, Heng Zhao, Liangguo Yan, Xuchuan Jiang, Yu Cui
Summary: A novel acidic adsorbent, beta-cyclodextrin phosphate polymer (beta-CDPP), was synthesized by one-pot method in this study, showing high efficiency in removing Pb(ii) ions from acidic wastewater. The beta-CDPP exhibits a high maximum Pb(ii) adsorption capacity and good reusability, while also showing good adsorption performance for other heavy metals.
NEW JOURNAL OF CHEMISTRY
(2022)
Article
Biochemistry & Molecular Biology
Ashraf Ali, Sarah Alharthi, Bashir Ahmad, Alia Naz, Idrees Khan, Fazal Mabood
Summary: Chemically modified silica monolith particles were prepared for the adsorptive removal of lead (II) ions from aqueous medium. The adsorbent showed an adsorption capacity of 792 mg/g for Pb(II) ions, with a 98% adsorption rate under optimal conditions of pH 5, 0.4 g/L adsorbent dose, 500 mg/L Pb(II) ion concentration, and 1 hour adsorption time. The adsorption data fitted well with Freundlich and Langmuir isotherm models, and the adsorption process followed a pseudo second-order kinetic model, suggesting spontaneous and exothermic adsorption.
Article
Nanoscience & Nanotechnology
Yuanjun Chen, Xiao-Yan Li, Zhu Chen, Adnan Ozden, Jianan Erick Huang, Pengfei Ou, Juncai Dong, Jinqiang Zhang, Cong Tian, Byoung-Hoon Lee, Xinyue Wang, Shijie Liu, Qingyun Qu, Sasa Wang, Yi Xu, Rui Kai Miao, Yong Zhao, Yanjiang Liu, Chenyue Qiu, Jehad Abed, Hengzhou Liu, Heejong Shin, Dingsheng Wang, Yadong Li, David Sinton, Edward H. Sargent
Summary: The electrochemical reduction of CO2 to multicarbon (C2+) products can be achieved through a two-step process, decoupling CO2-to-CO and CO-to-C2+, using distinct catalyst layers operating in tandem.
NATURE NANOTECHNOLOGY
(2023)
Review
Chemistry, Applied
Xinyi Zou, Jun Gu
Summary: CO2 electroreduction is a promising technique for converting renewable electricity and CO2 into high-value fuels and chemicals. The criteria for suitable CO2 electroreduction techniques include selectivity, energy efficiency, carbon efficiency, and sustainability. Recently, there has been a focus on CO2 reduction with acidic electrolytes due to their potential to increase carbon and energy efficiency. However, improving selectivity in acidic conditions and addressing issues such as cation and local pH effects and bicarbonate precipitation remain challenges.
CHINESE JOURNAL OF CATALYSIS
(2023)
Article
Chemistry, Physical
Ran Bi, De Yin, Shengzu Zhang, Ran Zhang, Feifei Chen
Summary: The eco-friendly PASP/LDH intercalation compound was synthesized and used for the removal of heavy metal ions from aqueous solutions. The compound exhibited high adsorption capacity and selectivity, with chemisorption as the main adsorption process. The excellent adsorption properties were attributed to the inner-sphere complexation between the compound and heavy metal ions.
APPLIED CLAY SCIENCE
(2022)
Article
Engineering, Chemical
Rajesh B. Gujar, Seraj A. Ansari, Prasanta K. Mohapatra, Richard J. M. Egberink, Jurriaan Huskens, Willem Verboom
Summary: A chromatography resin was prepared by impregnating HONTA on chromosorb-W, which exhibited excellent performance in selectively separating Pu4+ from uranium and americium. The distribution coefficient for Pu4+ (at 3 M HNO3) was around 10(4) mL/g, with separation factors of >10(3) for other actinides. The extraction kinetics of Pu4+ followed both film diffusion and intraparticle diffusion models, taking 20 minutes to reach equilibrium. The Pu4+ sorption on the resin followed the Langmuir monolayer model with a sorption energy of 11.2 kJ/mol. The resin had a maximum Pu4+ loading capacity of 58.2 mg/g, corresponding to 1:1 Pu/ligand complex formation. Excellent column performance was observed for selectively separating Pu4+ from a mixture of Pu, Am, and U in a 3 M HNO3 solution.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2023)
Article
Chemistry, Multidisciplinary
David H. Lamparelli, Ilaria Grimaldi, Alicia Martinez-Carrion, Fernando Bravo, Arjan W. Kleij
Summary: The use of supercritical CO2 medium improves the co- and teroligomerization of biobased epoxides, resulting in macromolecular carbonates. The catalytic formation of conventional and biobased co- and teroligomers is more efficiently executed in a supercritical CO2 medium, maximizing the polymer quality, yield, and carbonate content while avoiding diffusion-limited catalysis.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2023)
Article
Pharmacology & Pharmacy
Lucia Baldino, Mariarosa Scognamiglio, Ernesto Reverchon
Summary: This study successfully reduced harmful solvent levels in two corticosteroid drugs through supercritical CO2 extraction, where CO2 density plays a key role. Operating under specific pressure and temperature conditions for extraction can effectively lower organic solvent residues.
Article
Chemistry, Multidisciplinary
Babasaheb J. Waghmode, Aarti P. Gaikwad, Chandrashekhar Rode, Shivaram D. Sathaye, Kashinath R. Patil, Dipalee D. Malkhede
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2018)
Article
Green & Sustainable Science & Technology
Manjulata Sahu, Aishwarya S. Kar, Ankita Rao, S. K. Shiny, Ritu Singh, Satyajeet Chaudhury, Somesh Bhattacharya, M. K. Saxena, B. S. Tomar
JOURNAL OF CLEANER PRODUCTION
(2019)
Article
Chemistry, Physical
Vijay Karbhari Ahire, Dipalee Dileep Malkhede
CHEMICAL PHYSICS LETTERS
(2019)
Article
Chemistry, Multidisciplinary
Vrashali S. Kalyani, Sharadchandra T. Gawhale, Nilesh Rathod, Prabhat K. Singh, Dipalee D. Malkhede
Article
Chemistry, Analytical
Shiny S. Kumar, Ankita Rao, K. K. Yadav, R. K. Lenka, D. K. Singh, B. S. Tomar
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY
(2020)
Article
Chemistry, Inorganic & Nuclear
S. T. Gawhale, N. Rathod, V. S. Kalyani, P. K. Singh, R. S. Sapkal, V. S. Sapkal, G. N. Chaudhari, D. D. Malkhede
Article
Chemistry, Applied
Ankita S. Jadhav, Carlos Carreira-Blanco, Berta Fernandez, Sonia Gonzalez Fernandez, Dipalee D. Malkhede, Manuel Mosquera, M. Carmen Rios Rodriguez, Flor Rodriguez-Prieto
Article
Chemistry, Physical
Rupali G. Thorave, Dipali N. Lande, Uttam Shinde, Dipalee D. Malkhede, Shridhar P. Gejji
JOURNAL OF MOLECULAR LIQUIDS
(2020)
Article
Chemistry, Physical
Sanhita Patil, Shridhar P. Gejji, Vrashali S. Kalyani, Dipalee D. Malkhede
Summary: The encapsulation of 4-hydroxy coumarin within p-sulfonatothiacalix[4]arene was studied using steady state fluorescence, H-1 NMR titration experiments, and density function theory. The theoretical calculations revealed that the guest partially encapsulates within the cavity of the macrocycle via CH center dot center dot center dot pi interactions. The complexation with TSCX4 resulted in downshifting of C=O vibration in the infrared spectra of 4HC.
JOURNAL OF MOLECULAR LIQUIDS
(2021)
Article
Engineering, Chemical
Shiny S. Kumar, Ashutosh Srivastava, Ankita Rao
Summary: Designing actinide separation methodologies is crucial for enhancing the sustainability of the nuclear industry by simplifying process scheme and minimizing radioactive waste generation. This study presents a universal and simplified scheme for the bulk assay of plutonium and uranium as a part of chemical quality control, involving dissolution, estimation, and recovery. The use of biodegradable organic acid, methane sulfonic acid (MSA), in heating under an infrared lamp was employed to quantitatively dissolve plutonium and uranium compounds, avoiding the use of corrosive hydrofluoric acid or refluxing conditions. The findings suggest promising possibilities for the simultaneous determination of U and Pu using voltammetry and potential applications in the nuclear fuel cycle.
INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
(2022)
Article
Chemistry, Multidisciplinary
Shiny Suresh Kumar, Ankita Rao, Ashutosh Srivastava, Kartikey Kumar Yadav, Raja Kishore Lenka
Summary: The use of benign reagents, simplification of the process scheme, and reduction of chemical inventory are crucial for the sustainable recovery of plutonium from various matrices. In this study, a non-aqueous route of plutonium recovery using a halide-free eutectic solvent called CU was demonstrated for the first time. The use of biodegradable propylene glycol as a polar phase for solid phase extraction (SPE) further simplified the process and reduced solvent inventory. The encapsulated polyether sulfone beads containing di-2-ethyl hexyl phosphoric acid were effective for SPE of plutonium.
KOREAN JOURNAL OF CHEMICAL ENGINEERING
(2023)
Article
Chemistry, Multidisciplinary
Uttam Shinde, Sanhita Patil, Rupali Thorve, Dipalee Malkhede
Summary: A stability-indicating RP-HPLC method was developed and validated for the determination of a newly synthesized compound in API form. The method showed good linearity and precision, and was validated according to ICH guidelines.
CHEMICAL METHODOLOGIES
(2021)
Article
Chemistry, Analytical
Ankita S. Jadhav, Ashvini U. Chaudhari, Kisan M. Kodam, Dipalee D. Malkhede
Summary: This study focused on the interaction between 2-cyano-6-hydroxy benzothiazole (CHBT) and p-sulfonatocalix[6]arene (SCX6) in aqueous medium, demonstrating the strong influence of SCX6 on the fluorescence properties of CHBT. The inclusion complexation of CHBT and SCX6 was investigated using various spectroscopic methods, revealing stabilization by electrostatic interactions. Studies suggest that the CHBT-SCX6 complex may be an effective carrier for drug molecules in killing cancerous cells.
Article
Chemistry, Multidisciplinary
Asmita B. Jarange, Sanhita V. Patil, Dipalee D. Malkhede, Shreya M. Deodhar, Vinod S. Nandre, Sulakshana V. Athare, Kisan M. Kodam, Shridhar P. Gejji
Summary: The inclusion complexes of tenofovir disoproxil fumarate (TDF) with p-sulfonato-calix[4]arene (SCX4) and p-sulfanatothiacalix[4]arene (TSCX4) macrocycles were characterized through various experiments, showing the formation of 1:1 complexes. Comparing the C-13 NMR spectra of the complexes with individual hosts confirmed the cone conformation of SCX4 in the complexes.
JOURNAL OF INCLUSION PHENOMENA AND MACROCYCLIC CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Sharadchandra Gawhale, Nilesh Rathod, Sanhita Patil, Rupali Thorave, Vrashali Kalyani, Rajesh Sapkal, Vilas Sapkal, Gajanan Chaudhari, Dipalee Malkhede
JOURNAL OF CHEMICAL SCIENCES
(2019)
Article
Chemistry, Multidisciplinary
Zihan Ma, Lishuang Wang, Tingting Chen, Guangning Wang
Summary: In this study, two kinds of 3D self-doped (N/O) lilac-based and coriander-based porous carbons with high performance have been prepared.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Qin Wang, Yun-Fan Yan, Jiao-Lin Weng, Ying Huang, Fu Yang, Hao-Hui Xie, Fei Tan, Fa-Kun Zheng, Jian-Gang Xu
Summary: Balancing energy and mechanical sensitivities is a challenging issue in the field of energetic materials. This study constructed a 3D energetic metal-organic framework with nitrogen-rich ligand and NO3- anions. The framework demonstrated high stability, energy density, and excellent mechanical sensitivities, making it a potential insensitive energetic material.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Marrium Saeed, Urooj Kamran, Amina Khan, Md Irfanul Haque Siddiqui, Hasan Jamal, Haq Nawaz Bhatti
Summary: In this study, magnesium-aluminum layered double hydroxides (Mg-Al-LDH) were synthesized using an environmentally friendly hydrothermal technique for adsorbing the dye reactive green 5 (RG5). To improve the adsorption capability, composites were prepared by combining Mg-Al-LDH with low-cost Mangifera indica stone biomass (MISB). The results showed that the composites had high adsorption capacities for RG5 dye and could be regenerated.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Xuanlin Zhan, Xiaojie Li, Yunyan Zeng, Siyan Jiang, Chao Pan, Shiyu Pan, Jiaquan Huang, Heqian Zhang, Zhiwei Qin
Summary: This study reports on the potential prospects of natural products derived from the rhizosphere for the development of antibiotics and herbicides, as well as the advancements in cultivating a mutant strain that produces a substantial quantity of lydicamycins, a potent family for herbicide development.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Jie Zhu, Jiangtao Yu, Linhua Zhu, Xiaoxiao Yu, Jixing Liu, Yanhong Chao, Jingzhou Yin, Peiwen Wu, Jian Liu, Wenshuai Zhu
Summary: This study successfully demonstrates the 3D printing of attapulgite monoliths and investigates the influence of thermal treatment on their properties. The thermal treated monoliths show superior catalytic performance at low temperatures.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Yanzhu Ye, Yixiang Ye, Jiannan Cai, Zhongshui Li, Shen Lin
Summary: In this paper, a novel Pt/CoP/C photo-electro synergistic catalyst was successfully synthesized and its performance was investigated. The catalyst exhibited excellent photo-electro catalytic performance, with significantly higher hydrogen production compared to a commercial catalyst. The introduction of cobalt phosphide and the existence of Co3O4 were identified as key factors for enhancing the catalytic activity.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Nurul Hidayah Abu Bakar, Wan Norfazilah Wan Ismail, Hartina Mohd Yusop, Noreen Farzuhana Mohd Zulkifli
Summary: Hydrophobic coatings inspired by the lotus effect have gained popularity for their ability to solve various problems. The sol-gel method, utilizing silica, alumina, and titania, is explored as an environmentally friendly approach to produce water-based hydrophobic coatings. This study focuses on producing water-based hydrophobic coatings for cotton and polyester fabrics using a one-step sol-gel method. The coated fabrics exhibited improved hydrophobic properties, altered surface morphologies, and lower air permeability compared to uncoated fabrics. TEOS-PDMS coating provides a promising approach for enhancing the hydrophobic and surface properties of cotton and polyester fabrics.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Nikita Belko, Hanna Maltanava, Anatol Lugovski, Polina Shabunya, Sviatlana Fatykhava, Evgeny Bondarenko, Pavel Chulkin, Sergey Poznyak, Michael Samtsov
Summary: This study investigates the difference in electrochemical behavior between rhodamine B hydrazide and rhodamine B acylhydrazone, and finds that rhodamine B acylhydrazone exhibits higher reversibility in electrooxidation. These results can be applied for developing new sensors with desired electrochemical properties.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Showket Ahmad Bhat, Mohd Ikram
Summary: In this study, 0-3 particulate multiferroic composites were synthesized and characterized. The composites exhibited excellent ferroelectric and ferromagnetic properties, as well as high piezoelectric strain and magnetoelectric coupling effects.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Carla Gomes, Mariana Costa, Susana M. M. Lopes, Bernardo Albuquerque Nogueira, Rui Fausto, Jose A. Paixao, Teresa M. V. D. e Melo, Luisa M. D. R. S. Martins, Marta Pineiro
Summary: The development of sustainable processes requires the integration of green chemistry principles. In this study, a solvent-free synthesis method was developed to prepare new copper catalysts, which efficiently catalyze cycloaddition reactions under solvent-free mechanochemical conditions. Through this process, the principles of atom economy, reduction of solvents and auxiliaries, design for energy efficiency, and reduction of derivatives and catalysis are combined.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Zhihua Liu, Jinzhe Li, Jianguo Zhou
Summary: This study demonstrates the enhancement of photoelectrochemical activity of BiFeO3 photoelectrodes through ion modification, which increases visible light absorption and active area, leading to improved PEC water splitting performance.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Yisheng Zhang, Wensong Li, Jing Li, Fang Li, Wei Xue, Xinqiang Zhao, Yanji Wang
Summary: Pt/C and SO42-/ZrO2 were used as catalysts for the synthesis of p-aminophenol through the catalytic transfer hydrogenation of nitrobenzene in water with formic acid as the hydrogen source. The optimal Pt loading for PAP selectivity was found to be 1 wt%. The presence of different valence states of Pt affected both the nitrobenzene hydrogenation and formic acid decomposition. Among different solid acid catalysts tested, SO42-/ZrO2 exhibited the highest catalytic activity for p-aminophenol formation. Under the optimized reaction conditions, the conversion of nitrobenzene reached 80.0%, with a selectivity of 47.6% for p-aminophenol.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Pradyota Kumar Behera, Papita Behera, Amlan Swain, Santosh Kumar Sahu, Ajeena Sahoo, Laxmidhar Rout
Summary: We have developed a simple and direct method for the synthesis of diaryl ether using an oxygen bridged bimetallic CuMoO4 nanocatalyst under mild reaction conditions. The catalyst exhibited tolerance towards a wide range of substrates with various functional groups. It is efficient and recyclable. This methodology allows easy access to nitrofen derivatives (herbicides) from unactivated 2,4-dichlorophenol, which are important for agriculture and pharmaceuticals.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Yihua Fu, Yan Zhang, Changwei Hu, Zhishan Su
Summary: The mechanism of the reaction between CO2 and styrene oxide for cyclic carbonate was revealed using density functional theory calculations. The noncatalytic reaction occurred via a concerted mechanism, while in the presence of guanidine and tetrabutylammonium iodide (TBAI) co-catalysts, the epoxide ring-opening by nucleophilic attack of an iodide anion was predicted to be the rate-determining step. Guanidine acted as the H-bond donor to activate styrene oxide, facilitating the reaction with a lower activation barrier.
NEW JOURNAL OF CHEMISTRY
(2024)
Article
Chemistry, Multidisciplinary
Saikat Khamarui, Sirshendu Ghosh
Summary: Copper nanorods (Cu-NRs) exhibit significant plasmonic behavior and can act as efficient catalysts in redox processes and coupling. A benign decarboxylative approach, utilizing localized surface plasmon resonance (LSPR) assisted catalysis with Cu-NRs, has been developed for the production of alkane analogues from alkyl carboxylic acids under visible light. The catalyst shows a broad substrate scope and high functional group tolerance, without the need for an external oxidant or proton source. A plausible mechanism for this recyclable nano-catalyst has also been proposed based on control experiments.
NEW JOURNAL OF CHEMISTRY
(2024)
