{"title":"Lanthanide-based Metal-organic Frameworks Offering Hydrogen Bonding Cavities: Luminescent Characteristics and Sensing Applications.","authors":"Rajeev Gupta, Deepti Ahlawat, Sanya Pachisia, Aashsih Aashish","doi":"10.1002/asia.202401213","DOIUrl":"https://doi.org/10.1002/asia.202401213","url":null,"abstract":"<p><p>This work presents the synthesis and characterization of three isomorphous lanthanide-based metal-organic frameworks (Ln-MOFs) (Ln3+ = Eu (1), Tb (2), and Sm (3)) supported by a pyridine-2,6-dicarboxamide-based linker offering appended arylcarboxylate groups. Single crystal X-ray diffraction studies highlight that these Ln-MOFs present three-dimensional porous architectures offering large cavities decorated with hydrogen bonding (H-bonding) groups. These Ln-MOFs display noteworthy luminescent characteristics. The use of a mixed-metal strategy affords a series of Ln-MOFs exhibiting color-tunable emissions. The Eu-MOF was utilized for the nanomolar sensing of both nitrobenzene and 4-nitrophenol. The critical role of H-bonding in the detection of these analytes is validated through multiple spectroscopic, ξ potential, and molecular docking studies. The Eu-MOF illustrated notable anticounterfeiting as well as practical sensing applications.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401213"},"PeriodicalIF":3.5,"publicationDate":"2025-01-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142918716","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sharmin Ferdewsi Rakhi, Abdul Hakim Mohammad Mohsinul Reza, Jianzhong Wang, Youhong Tang, Jianguang Qin
{"title":"Enhancement of Growth and Lipid Production in Microalgae Using Aggregation-Induced Emission Based Luminescent Material for Sustainable Food and Fuel.","authors":"Sharmin Ferdewsi Rakhi, Abdul Hakim Mohammad Mohsinul Reza, Jianzhong Wang, Youhong Tang, Jianguang Qin","doi":"10.1002/asia.202401077","DOIUrl":"10.1002/asia.202401077","url":null,"abstract":"<p><p>Aggregation-Induced Emission (AIE) based nanomaterials are progressively gaining momentum owing to their evolvement into an interdisciplinary field ranging from biomass and biomolecule yield to image-guided photodynamic therapy. This study focuses on a novel strategy to enhance growth, lipid accumulation, and in vivo fluorescence visualisation in green microalgae Chlamydomonas reinhardtii using AIE nanoparticles to quantify radical changes. The absorption of AIE photosensitiser (PS), TTMN (C<sub>26</sub>H<sub>17</sub>N<sub>3</sub>S[M]<sup>+</sup>) was recorded from 420 to 570 nm with a peak at 500 nm, and the emission ranged from 550 to 800 nm with a peak at 650 nm. As a reactive oxygen species (ROS) molecule, H<sub>2</sub>O<sub>2</sub> generation of TTMN in C. reinhardtii cells was detected with AIE nanoprobes TPE-BO (C<sub>38</sub>H<sub>42</sub>B<sub>2</sub>O<sub>4</sub>). H<sub>2</sub>O<sub>2</sub> accumulation increased with the increase of TTMN concentrations. The maximum growth (2.1×10<sup>7</sup> cell/mL) was observed at 10 μM TTMN-exposed C. reinhardtii cells. Significant lipid accumulation was found in both 10 and 15 μM TTMN-treated cells. For lipid visualisation, an AIE nanoprobe, 2-DPAN (C<sub>24</sub>H<sub>18</sub>N<sub>2</sub>O) was used, and superior fluorescence was determined and compared with the traditional BODIPY dye. Cytotoxicity analysis of 10 μM TTMN on the HaCat cell line with 86.2 % cell viability revealed its high biocompatibility on living cells. This AIE-based nanotechnology provides a novel approach for microalgae-derived sustainable biomass and eco-friendly biofuel production.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401077"},"PeriodicalIF":3.5,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142386670","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Fabrication of Thermo-Responsive Polymer-MOF@cellulase Composites with Improved Catalytic Performance for Hydrolysis of Cellulose.","authors":"Muhammad Ali Tajwar, Yutong Liu, Li Qi","doi":"10.1002/asia.202400990","DOIUrl":"10.1002/asia.202400990","url":null,"abstract":"<p><p>Metal-organic frameworks (MOFs) are considered as an ideal enzyme support because of their porous structural superiority. However, MOFs@enzyme composites have usually compromised their hydrolysis efficiency due to the narrow space inducing unfavourable enzyme conformations. Herein, a thermo-responsive poly(N,N-dimethylacrylamide) (PD) was fixed onto the surface of UiO-66-NH<sub>2</sub> (UiO) through a post-synthetic modification protocol. Using poly(2-vinyl-4,4 dimethylazlactone) (V) as a linker, PVD-UiO@cellulase composites were fabricated after cellulase was immobilized onto the UiO surface through covalent bonding. The composites conferred favorable cellulase conformations, boosting hydrolysis efficiency and stability, which relied on the soft PVD shell and confinement effect yielded by the curled PVD chains at high temperatures. Compared with free cellulase, the proposed composites exhibited a 33.1-fold enhancement of the K<sub>cat</sub> values at 50 °C. The PVD-UiO@cellulase composites were applied to the hydrolysis of cellulose in the stalks and leaves of Epipremnum aureum. The results highlight the potential of smart PVD-UiO@cellulase composites in the hydrolysis of cellulose, affording a valuable platform for the preparation of unique MOFs@enzyme composites and their industrial applications.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202400990"},"PeriodicalIF":3.5,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142386671","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Post-Functionalization of Fluorinated Dibenzosulfone-Based Conjugated Polymer for Smart 'Turn-off' Sensing of Cu<sup>2+</sup> Ions.","authors":"Krishnendu Maity, Soumitra Sau, Suman Kalyan Samanta","doi":"10.1002/asia.202401053","DOIUrl":"10.1002/asia.202401053","url":null,"abstract":"<p><p>Post-functionalization of conjugated polymeric backbone with various N-containing heterocycles through nucleophilic aromatic substitution reaction (S<sub>N</sub>Ar) demonstrates crucial tailoring of their photophysical properties. This study explores an approach of post-polymerization modification of a fluorinated dibenzosulfone-based conjugated polymer aiming to incorporate functional groups having coordinating sites to bind metal ions. The resulting polymers, namely BDT-DBTS-IM, BDT-DBTS-TR, and BDT-DBTS-PY revealed successful substitution reactions with imidazole, triazole, and pyridine respectively, and showed significant changes in their absorption and emission properties. Notably, BDT-DBTS-IM demonstrated exceptional performance as a chemosensor, exhibiting a dramatic fluorescence turn-off response specifically to copper ions (Cu<sup>2+</sup>) with the limit of detection of 26 nM and Stern-Volmer quenching constant (K<sub>SV</sub>) of 8.2×10<sup>5</sup> Lmol<sup>-1</sup>. This high selectivity and sensitivity are attributed to the ability of the imidazole group to form a stable complex with Cu<sup>2+</sup>, resulting in both static and dynamic quenching efficiently. Our findings underscore the potential of post-polymerization modifications to significantly enhance the functionality of conjugated polymers. The ability of BDT-DBTS-IM to detect trace levels of copper ions with high precision highlights its practical utility in environmental and biological monitoring. This research not only demonstrates an approach for post-polymeric modification through S<sub>N</sub>Ar reaction but also opens new avenues for developing sensors.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401053"},"PeriodicalIF":3.5,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142386676","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Venkata Sudheendra Budhiraju, Venkataramana Runkana, Ashutosh Sharma, Sri Sivakumar
{"title":"Electrospun Mesoporous Ni<sub>0.5</sub>Zn<sub>0.5</sub>Fe<sub>2</sub>O<sub>4</sub> - CNT - Hollow Carbon Ternary Composite Nanofibers as High Performance Electrodes for Advanced Symmetric Supercapacitors.","authors":"Venkata Sudheendra Budhiraju, Venkataramana Runkana, Ashutosh Sharma, Sri Sivakumar","doi":"10.1002/asia.202400815","DOIUrl":"10.1002/asia.202400815","url":null,"abstract":"<p><p>Spinel ferrites have attracted considerable interest in energy storage systems due to their unique magnetic, electrical and catalytic properties. However, they suffer from poor electronic conductivity and low specific capacity. We have addressed this limitation by synthesizing composite hollow carbon nanofibers (HCNF) embedded with nanostructured Nickel Zinc Ferrite (NZF) and Multiwalled carbon nanotubes (CNT), through coaxial electrospinning. These ternary composite nanofibers NZF-CNT-HCNF have a high specific capacity of 833 C g<sup>-1</sup> at a current density of 1 A g<sup>-1</sup> and have a capacity retention of 90 % after 3000 cycles. Their performance is much better than pure NZF fibers (180 C g<sup>-1</sup>) or hollow carbon nanofibers (96 C g<sup>-1</sup>), suggesting synergy between various constituents of the composite. A symmetric supercapacitor fabricated from NZF-CNT-HCNF composite nanofibers (30 % NZF) has a high specific capacity of 302 C g<sup>-1</sup> (302 A g<sup>-1</sup>) at a current density of 1 A g<sup>-1</sup> and has a capacity retention of 95 % after 5000 cycles. At the same current density, the device has a high energy density of 39 Whkg<sup>-1</sup> and power density of 1000 Wkg<sup>-1</sup> at a current density of 1 A g<sup>-1</sup>. This performance can be attributed to the high specific surface area (776 m<sup>2</sup> g<sup>-1</sup>), mesoporosity (pore size ~4 nm), interconnectedness of the nanofibers and high electrical conductivity of CNTs. These fibers can be used as light-weight high performance electrode materials in advanced energy storage devices.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202400815"},"PeriodicalIF":3.5,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142386659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yue Wang, Jifan Zhao, Yuzhu Xing, Yan Dong, Zhong Wang, Yasushi Hasebe, Ray H Baughman
{"title":"Covalent Organic Framework Derived Oxygen/Sulfur-Doped Porous Carbon for Robust High-Capacitance Symmetric Supercapacitors.","authors":"Yue Wang, Jifan Zhao, Yuzhu Xing, Yan Dong, Zhong Wang, Yasushi Hasebe, Ray H Baughman","doi":"10.1002/asia.202400930","DOIUrl":"10.1002/asia.202400930","url":null,"abstract":"<p><p>Heteroatom-doped porous carbons (HPCs) have been considered promising electrode materials for supercapacitors due to their improvement of energy density by providing extra pseudocapacity. Covalent organic frameworks (COFs) are obtaining great importance in energy storage because of their designable structure and versatile functionality. Herein, we designed and fabricated oxygen and sulfur dual-doped covalent organic framework (COF) derived HPCs with very high heteroatoms content (up to 25.76 atom%) via a facile coupling reaction. The optimized HPCs exhibit a porous structure with high specific surface area (up to 2835 m<sup>2</sup> g<sup>-1</sup>) along with a high specific capacitance (430 F g<sup>-1</sup> at 0.5 A g<sup>-1</sup>), excellent capacitance retention (96.9 %), and high coulombic efficiency (98.5 %) after 10000 cycles at 5 A g<sup>-1</sup>. As electrodes for aqueous symmetric supercapacitors, the HPCs exhibits a high energy density of 60 Wh kg<sup>-1</sup> at a 250 W kg<sup>-1</sup> power density, excellent cycling stability of capacity retention (82.2 %) and a high coulombic efficiency (92.3 %) after 10000 cycles at 10 A g<sup>-1</sup>, indicating attractive application potential in chemical energy storage. This work establishes a promising strategy for preparation of high heteroatom content HPCs using COFs and demonstrates great potential for energy storage/conversion devices.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202400930"},"PeriodicalIF":3.5,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142454092","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Enhancing Burning Rate of Ammonium Nitrate by Ammonia Borane: Mechanism from Reactive Molecular Dynamics Simulation.","authors":"Yin Yu, Jun Jiang, Cai-Chao Ye, Xue-Hai Ju","doi":"10.1002/asia.202400763","DOIUrl":"10.1002/asia.202400763","url":null,"abstract":"<p><p>The development of ammonium nitrate (AN)/ammonia borane (AB) as a green propellant is crucial for their applicability in different engines. This study investigates the release patterns of small products, particularly nitrogen-containing molecules, during the initial pyrolysis of AN/AB at low and high pressures using ReaxFF MD simulations. Compared with pure AN, the addition of AB gives the hybrid system enhanced reactivity, leading to faster decomposition and higher energy release. The results show that the consumption of AN in the S<sub>13</sub> system (AB with a mass ratio of 12.6 %) is accelerated at 1.47 MPa. NO<sub>2</sub> and NO are produced through HNO<sub>3</sub> and NO<sub>3</sub>. At 6.89 MPa, AN exhibits the fastest decomposition rate in the S<sub>15</sub> system. The high pressure enhances more reactions of NO with free radicals such as NH and accelerates the release of N<sub>2</sub>. As the percentage content of AB increases to 15.3 %, more H<sub>2</sub>O while more NO<sub>2</sub> is generated. The effect of AB on the generation of radicals such as H<sub>2</sub> and H, is analyzed. AB not only promotes the initial pyrolysis of AN but also accelerates the conversion of intermediates.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202400763"},"PeriodicalIF":3.5,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142491509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Investigation of the molecular level interaction in [CH3OH-CH2X2] complexes (X = I, Br, and Cl) using matrix-isolation IR spectroscopy.","authors":"Shamik Chakraborty, Amrita Chakraborty, Sumit Kumar Agrawal","doi":"10.1002/asia.202401313","DOIUrl":"https://doi.org/10.1002/asia.202401313","url":null,"abstract":"<p><p>The [CH3OH-CH2X2] (X = Cl, Br, and I) complexes have been studied to understand the tendency towards the formation of hydrogen bonds and halogen bonds. Three different types of interactions viz., C-X· · ·O, C-H· · ·O, and O-H· · ·X, are possible between the CH3OH and CH2X2. Experiments have been carried out in low-temperature N2 matrix using Fourier Transform Infrared spectroscopy. Electronic structure calculations have been performed to identify the possible binding motifs between CH2X2 and CH3OH. Formation of more than one complex has been confirmed in [CH3OH CH2X2] (X = Br and I) mixture, using the experimental and simulated IR spectra, whereas only one type of complex is found in [CH3OH CH2Cl2] mixture. Energy decomposition analysis, quantum theory of atoms in molecules, and non-covalent interaction analysis have been performed to understand the nature of interaction and the driving force for complexation under experimental conditions.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401313"},"PeriodicalIF":3.5,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142918790","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"A Helically-twisted Stereodynamic Probe for Chiroptical Sensing of Chiral Amines through Point-to-helical Chirality Transmission.","authors":"Aasheesh Srivastava, Akash Kumar Sharma, Arunima Cheran, Jatish Kumar","doi":"10.1002/asia.202401376","DOIUrl":"https://doi.org/10.1002/asia.202401376","url":null,"abstract":"<p><p>Chiral amines and amino alcohols form an important category of molecules employed in the designing of new drugs and catalyst. Herein, we present a helically-twisted stereodynamic dialdehyde probe 1 for the determining of absolute configuration, and enantiomeric excess of chiral amine and amino alcohols. Probe 1 is based on the pyridine-2,6-dicarboxamide (PDC) core and undergoes rapid interconversion between the P- and M- conformers. However, upon imine formation with chiral amines, probe 1 gets locked it in a single conformer majorly. This induces a strong CD signal in addition to changes in the UV-vis and fluorescence signals. The CD spectral change allowed for quantitative enantiomeric excess determination of chiral amines. Circular polarized luminescence (CPL) spectra having the glum of 1×10-3 was obtained upon imine formation between probe 1 and diamine 2. Single crystal X-ray diffraction studies (SCXRD) confirmed the twisted conformation in 1@(R)-4 and 1@(S)-4, stabilized by intramolecular hydrogen bonding between bound imine nitrogen and proximate amide group.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401376"},"PeriodicalIF":3.5,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142913327","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Deepa Rosh Tom, Ayushi Shah, Krishna H Modi, Ajay Majethiya, Pratik M Pataniya, C K Sumesh
{"title":"Sulfur-Doped Nickel Ferrite for Green Hydrogen at High Current Density.","authors":"Deepa Rosh Tom, Ayushi Shah, Krishna H Modi, Ajay Majethiya, Pratik M Pataniya, C K Sumesh","doi":"10.1002/asia.202401000","DOIUrl":"https://doi.org/10.1002/asia.202401000","url":null,"abstract":"<p><p>The primary obstacle in electrolyzing water is that prolonged large-current operation quickly degrades performance, making it difficult to achieve efficient and continuous hydrogen evolution at high current densities. This work prepared sulfur-doped nickel ferrite nanocomposites using the simple hydrothermal method to improve electrocatalytic green hydrogen production at high-current densities. X-ray diffraction (XRD), scanning electron microscopy (SEM), and X-ray photoelectron spectroscopy (XPS) were used to analyze the crystalline structure, morphology, and chemical composition of the synthesized nanocomposites. The prepared S-NiFe2O4/NF (NS-85/NF) catalyst exhibits excellent electrochemical water-splitting activity, a low overpotential, a high current density, and extended stability lasting more than 12 hours. The NS-85/NF electrode has a cathodic current density of 300 mA cm-2 at -0.329 V overpotential and at the lowest overpotential of -0.264 V, the electrode has a current density of 100 mA cm-2. Our work provides new approaches to developing earth-abundant, stable, scalable, and highly effective catalysts for high-current density water electrolysis.</p>","PeriodicalId":145,"journal":{"name":"Chemistry - An Asian Journal","volume":" ","pages":"e202401000"},"PeriodicalIF":3.5,"publicationDate":"2025-01-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142913362","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}