New Journal of Chemistry最新文献

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New Insights into the Composition and Catalytic Performance of VOx-Ga/γ-Al2O3 for the Oxidative Dehydrogenation of Propane to Propene 对 VOx-Ga/γ-Al2O3 在丙烷氧化脱氢制丙烯过程中的组成和催化性能的新认识
IF 3.3 3区 化学
New Journal of Chemistry Pub Date : 2024-07-11 DOI: 10.1039/d3nj05109a
Prabhu Kandasamy, Sheetal Gawali, Aswathy Thareparambil Venugopalan, Marimuthu Manikandan, Siva Prasad Mekala, Ankita Shelke, Thalasseril G Ajithkumar, Khusal D Bhatte, Raja Thirumalaiswamy
{"title":"New Insights into the Composition and Catalytic Performance of VOx-Ga/γ-Al2O3 for the Oxidative Dehydrogenation of Propane to Propene","authors":"Prabhu Kandasamy, Sheetal Gawali, Aswathy Thareparambil Venugopalan, Marimuthu Manikandan, Siva Prasad Mekala, Ankita Shelke, Thalasseril G Ajithkumar, Khusal D Bhatte, Raja Thirumalaiswamy","doi":"10.1039/d3nj05109a","DOIUrl":"https://doi.org/10.1039/d3nj05109a","url":null,"abstract":"Oxidative dehydrogenation (ODH) of propane is a promising alternative route for propene production. In this work, we developed a series of vanadium and gallium oxides supported on γ-Al2O3 catalysts by an incipient wetness impregnation method. Among employed catalysts, the VGA-2 showed superior catalytic activity, and the catalyst was demonstrated for longevity in ODH of propane with a stable activity using a continuous flow fixed bed reactor at 400 °C. H2-TPR and UV-visible spectra showed the presence of highly dispersed monomeric VOx species with tetrahedral coordination geometry, which influences product selectivity. The characterization results also conferred that the redox nature of vanadium (V5+ and V4+) oxide and higher V5+ content in the surface of VGA-2 catalysis are more favourable for C-H activation. In addition, the Pyridine- FTIR and 71Ga solid state NMR studies further substantiated the presence of Lewis acid sites and tetrahedrally coordinated Ga3+Ox species that are highly responsible for the ODHP activity, respectively. Furthermore, in situ- DRIFTS studies conferred that the propane adsorption at ambient temperature showed the formation of intermediate propoxide species with the evolution of σ-bonds and with further increase in the temperature to 325 °C; the stretching vibration of =C-H and -C-H bonds in propylene molecule were observed. The spent catalysts were also analyzed by thermogravimetric analysis, where the optimized catalyst (VGA-2) showed the least coke deposition.","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141588026","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}
引用次数: 0
Green Synthesis of Silver Nanoparticles: Understanding Biological Activities - Anticancer, Antimicrobial, and Plasmid DNA Cleavage through Reactive Oxygen Species Release 银纳米粒子的绿色合成:了解生物活性--抗癌、抗菌和通过释放活性氧裂解质粒 DNA
IF 3.3 3区 化学
New Journal of Chemistry Pub Date : 2024-07-11 DOI: 10.1039/d4nj02350a
Naseemabee Syed Shabulal, Thiyagarajan Perumal, Mohammed F Albeshr, Karuppiah Nagaraj, Gunasekaran Velmurugan, Prasenjit Maity, Iai Mathivanan, SM Abhijith, Niyati Hemantkumar Lad
{"title":"Green Synthesis of Silver Nanoparticles: Understanding Biological Activities - Anticancer, Antimicrobial, and Plasmid DNA Cleavage through Reactive Oxygen Species Release","authors":"Naseemabee Syed Shabulal, Thiyagarajan Perumal, Mohammed F Albeshr, Karuppiah Nagaraj, Gunasekaran Velmurugan, Prasenjit Maity, Iai Mathivanan, SM Abhijith, Niyati Hemantkumar Lad","doi":"10.1039/d4nj02350a","DOIUrl":"https://doi.org/10.1039/d4nj02350a","url":null,"abstract":"This study is designed to explore the preparation, characterization, biological impacts, and DNA degradation abilities of green synthesized NPs. The UV-visible analysis confirms the reduction of Ag along with pH. FTIR studies were used to determine the functional groups involved in the reduction reaction. Moreover, HR-TEM and XRD reveal the morphology and crystal plane of the NPs. Further, XPS study confirms the elemental analysis and oxidation state of metal. On the other hand, biological studies are performed to achieve the excellence of NPs, such as anti-bacterial, anti-cancer, and DNA degradation activities. The obtained results revealed that Ag-NPs exhibited a good anti-bacterial effect against Gram-negative and Gram-positive bacteria. Moreover, Ag-NPs showed cytotoxicity against breast cancer cell lines (40 and 50 μg/ml respectively), and pBR322 DNA degradation. Herewith, we report a simple synthesis of Ag-NPs with benign, environmentally safe, biological reduction by using natural biomolecules. The synthesized Ag-NPs confirmed the size around 10 nm and the ability to produce ROS under visible light irradiation. Finally, Ag-NPs exhibited cytotoxicity, including intracellular ROS generation, cell death, loss of mitochondrial potential, and DNA fragmentations on breast cancer cells. Importantly, Ag-NPs showed nuclease activity.","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141588028","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}
引用次数: 0
Halosulfonamidation of Camphene: Chemo and Stereoselectivity, Rearrangement, Solvent Interception, Heterocyclization 莰烯的卤磺酰胺化:化学和立体选择性、重排、溶剂截取、异环化
IF 3.3 3区 化学
New Journal of Chemistry Pub Date : 2024-07-11 DOI: 10.1039/d4nj02582b
Mikhail Yu. Moskalik, Ivan A. Garagan, Bagrat Shainyan, Olga Yarovaya, Anton S. Ganin, Vera V. Astakhova, Irina V. Sterkhova, Sergey Zinchenko, Nariman Salakhutdinov, Amirbek Radzhabov
{"title":"Halosulfonamidation of Camphene: Chemo and Stereoselectivity, Rearrangement, Solvent Interception, Heterocyclization","authors":"Mikhail Yu. Moskalik, Ivan A. Garagan, Bagrat Shainyan, Olga Yarovaya, Anton S. Ganin, Vera V. Astakhova, Irina V. Sterkhova, Sergey Zinchenko, Nariman Salakhutdinov, Amirbek Radzhabov","doi":"10.1039/d4nj02582b","DOIUrl":"https://doi.org/10.1039/d4nj02582b","url":null,"abstract":"The first study on oxidative sulfonamidation of camphene is presented. By varying the reaction conditions, the nature of the sulfonamide, the oxidizing agent, the ratio of the reagents, and the solvent, it is possible to control not only the direction of amidation of the double bond of camphene, leading to the formation of the corresponding amides or amidines, but also the rearrangement or retention of the camphene structure. In the NIS-induced reaction, no rearrangement occurs, leading to N-sulfonylamidine derivatives of isocamphane. The NBS-induced reaction takes place with solvent (acetonitrile) intersection and with or without rearrangement, resulting in N-sulfonylamine with isocamphane or camphane motif, depending, strikingly, on the ratio of the reactants. A mechanism that explains the diversity of products has been proposed and confirmed by theoretical calculations. It includes various intermediates formed via electrophilic addition of a halogen, such as an open carbocation for Br+, or the anchimerically assisted iodonium cation for I+. Additionally, the basicity of the reaction medium can change depending on the ratio of the reagents. For example, in CH2Cl2, which is incapable of being trapped by the intermediate cations, the formation of bromosulfonamide occurs only with triflamide due to the highest halogening activity of the intermediate CF3SO2NHBr. The structure of the products formed in up to 96% yield was proved by NMR, HRMS and, for the key products, by X-ray analysis. When performing the NBS-induced bromosulfonation of camphene using triflamide with subsequent addition of potassium carbonate (K2CO3), no dehydrobromination occurred. However, when using cesium fluoride (CsF) as a base, an unexpected quinazoline product was obtained. This opens up the possibility for further transformations.","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141588029","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}
引用次数: 0
Vesicle-coacervate-driven efficient deposition of sprayed droplet on hydrophobic soybean leaf surfaces 疏水性大豆叶片表面高效沉积由囊泡-凝聚剂驱动的喷雾液滴
IF 3.3 3区 化学
New Journal of Chemistry Pub Date : 2024-07-11 DOI: 10.1039/d4nj01765j
Zhipeng Zhang, Yixin Li, Shuang Liu, Junrong Li, Govindasami Periyasami, Haibing Li, Yao Sun
{"title":"Vesicle-coacervate-driven efficient deposition of sprayed droplet on hydrophobic soybean leaf surfaces","authors":"Zhipeng Zhang, Yixin Li, Shuang Liu, Junrong Li, Govindasami Periyasami, Haibing Li, Yao Sun","doi":"10.1039/d4nj01765j","DOIUrl":"https://doi.org/10.1039/d4nj01765j","url":null,"abstract":"The inherent superhydrophobic plant’s leaves cause the low deposition efficiency of pesticides for improving the Crop production. Herein, we modulated the surfactant structure by self-assembling quaternary ammonium Gemini surfactants 12-n-12 (spacer length, n=4, 6, 8) with Sodium dodecyl sulfonate (SDS) droplets to form the positively charged spherical vesicles. Furthermore, the chosen 12-6-12/SDS droplets at X12-6-12 = 0.6 could aggregate into large, soft, and deformable vesicles, which realized excellent spreading and deposition of the droplets on the superhydrophobic soybean leaf surface. This work not only improved the pesticide efficiency, but also promoted the development of environmentally friendly agricultural system.","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141588025","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}
引用次数: 0
Chemical and photothermal synergistic antimicrobial treatment for enhanced wound healing based on light/pH responsive nanocomposites 基于光/pH 响应纳米复合材料的化学和光热协同抗菌疗法促进伤口愈合
IF 3.3 3区 化学
New Journal of Chemistry Pub Date : 2024-07-11 DOI: 10.1039/d4nj00946k
Tao Gong, Qing Ma, Kaili Qin, Lingxi Wei, Chaochao Wen, hui rui ZHU, Xiaoning Li, Bingmei Chang, Wenting Liang, Rui Guo
{"title":"Chemical and photothermal synergistic antimicrobial treatment for enhanced wound healing based on light/pH responsive nanocomposites","authors":"Tao Gong, Qing Ma, Kaili Qin, Lingxi Wei, Chaochao Wen, hui rui ZHU, Xiaoning Li, Bingmei Chang, Wenting Liang, Rui Guo","doi":"10.1039/d4nj00946k","DOIUrl":"https://doi.org/10.1039/d4nj00946k","url":null,"abstract":"Recently, the advancements in the field of responsive nanomaterials have created new possibilities for restraining the overuse of antibiotics. In this research, we present the fabrication of linear maltodextrin and cyclodextrin polymer (LM-CD) modified graphene oxide (GO) nanocomposites, which were subsequently loaded with levofloxacin (LVN) and oxytetracycline (OXY). The as-prepared nanocomplex (GO-LM-CD@LVN and GO-LM-CD@OXY) exhibited the remarkable synergistic antibacterial efficacy through the combined effects of photothermal therapy and pH-responsive drug delivery, effectively eradicating multidrug-resistant Escherichia coli and Staphylococcus aureus, while concurrently reducing the dosage of antibiotics. The bactericidal rate of 20 µg/mL GO-LM-CD@LVN and GO-LM-CD@OXY against the aforementioned bacteria was nearly 100% upon NIR irradiation, demonstrating exceptional photothermal properties. In addition, the photochemotherapy effect of the GO-LM-CD@LVN was verified by wound healing experiments in mice. The results demonstrated that the application of GO-LM-CD@LVN under NIR irradiation for 10 days resulted in a wound healing rate approximately 19% higher than that of the blank control group, indicating a remarkable and rapid therapeutic effect. Furthermore, histological analysis using H&E staining revealed no significant impact on the visceral tissues of mice treated with GO-LM-CD@LVN. Collectively, GO-LM-CD is anticipated to serve as a novel photothermal/pH-responsive nanocarrier for achieving efficient antibacterial effects through the synergistic interplay between photothermal materials and antibacterial drugs.","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-07-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141588027","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}
引用次数: 0
Impact of green-synthesized Mg-doped Mn ferrite nanoparticles on light-driven degradation of dyes and their optoelectronic applications 绿色合成的掺镁锰铁氧体纳米粒子对光驱动的染料降解及其光电应用的影响
IF 3.3 3区 化学
New Journal of Chemistry Pub Date : 2024-07-10 DOI: 10.1039/d4nj02377c
Adarshgowda N., H. S. Bhojya Naik, Vishnu G., Manjunatha K. G., Hareeshanaik S.
{"title":"Impact of green-synthesized Mg-doped Mn ferrite nanoparticles on light-driven degradation of dyes and their optoelectronic applications","authors":"Adarshgowda N., H. S. Bhojya Naik, Vishnu G., Manjunatha K. G., Hareeshanaik S.","doi":"10.1039/d4nj02377c","DOIUrl":"https://doi.org/10.1039/d4nj02377c","url":null,"abstract":"Using <em>Ocimum sanctum</em> extract as fuel, magnesium-doped manganese ferrite nanoparticles with the chemical formula Mg<small><sub><em>x</em></sub></small>Mn<small><sub>1−<em>x</em></sub></small>Fe<small><sub>2</sub></small>O<small><sub>4</sub></small>, where <em>x</em> = 0.0, 0.2, 0.4, and 0.6, were synthesized using a green microwave-assisted combustion method and named MF, MMF-1, MMF-2, and MMF-3 NPs, respectively. The synthesized nanoparticles were characterized using XRD, FT-IR, SEM with EDS, TEM, CV, PL, and UV-visible spectroscopy. XRD patterns illustrated that lattice parameters increase as the magnesium dopant level increases, and the average crystallite sizes of NPs range from 4.51 to 6.98 nm. FT-IR spectra exhibited the stretching modes of the manganese-oxygen bond for octahedral sites at 426–456 cm<small><sup>−1</sup></small> and the iron–oxygen bond for tetrahedral sites at 566–589 cm<small><sup>−1</sup></small>. SEM and HRTEM images showed that the structure resembles nanoflakes with porous structures, and EDS confirmed the presence of Mg, Mn, O and Fe elements in MDMF NPs. Bandgap was determined through UV-visible spectroscopy, and it displayed a decline with an increase in magnesium doping levels (3.76–3.41 eV). The synthesized NPs exhibited good electrochemical behaviour in CV studies; the peak intensity of the luminescence spectra decreased with an increase in the dose of magnesium dopants, with red emissions at 488 nm and blue emissions at 533 nm, corresponding to the recombination of photoexcited holes and electrons. The photocatalytic efficiency of the synthesized MMF-2 nanoparticles was assessed with methylene blue dye under visible light illumination (98.88%).","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141568071","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}
引用次数: 0
Synthesis of diaminoacetylene from cyanido ligands of the octacyanidotungstate complex 利用八氰基钨酸盐络合物的氰基配体合成二氨基乙炔
IF 3.3 3区 化学
New Journal of Chemistry Pub Date : 2024-07-10 DOI: 10.1039/d4nj02448f
Janusz Szklarzewicz, Maciej Hodorowicz, Anna Jurowska
{"title":"Synthesis of diaminoacetylene from cyanido ligands of the octacyanidotungstate complex","authors":"Janusz Szklarzewicz, Maciej Hodorowicz, Anna Jurowska","doi":"10.1039/d4nj02448f","DOIUrl":"https://doi.org/10.1039/d4nj02448f","url":null,"abstract":"The article describes for the first time the synthesis of the diaminoacetylene ligand, which is a by-product of the synthesis of [W(CN)<small><sub>6</sub></small>(bpy)]<small><sup>2−</sup></small> involving the thermal decomposition of (bpyH)<small><sub>3</sub></small>(H<small><sub>3</sub></small>O)[W(CN)<small><sub>8</sub></small>]·H<small><sub>2</sub></small>O. The formation of the diaminoacetylene ligand, H<small><sub>2</sub></small>NC<img alt=\"[triple bond, length as m-dash]\" border=\"0\" src=\"https://www.rsc.org/images/entities/char_e002.gif\">CNH<small><sub>2</sub></small>, occurs through protonation of cyanido ligands and the formation of a C–C bond between two neighbouring CN<small><sup>−</sup></small> ligands through a reductive coupling mechanism. In this way, three salts of the anion [W(CN)<small><sub>6</sub></small>(C<small><sub>2</sub></small>N<small><sub>2</sub></small>H<small><sub>4</sub></small>)]<small><sup>2−</sup></small> with cations: PPh<small><sub>4</sub></small><small><sup>+</sup></small> (<strong>1</strong>), rubidium (<strong>2</strong>), and caesium (<strong>3</strong>) were isolated and then structurally and spectroscopically characterised. The formation of an additional by-product (PPh<small><sub>4</sub></small>)<small><sub>3</sub></small>[W(CN)<small><sub>8</sub></small>]·4.25H<small><sub>2</sub></small>O (<strong>4</strong>) was also discussed. IR measurements of the reaction mixture indicate that proton transfer from the Hbpy<small><sup>+</sup></small> cation is accompanied by the formation of the acetylene ligand. NMR spectra indicate strong interactions between the cyanido ligands and the protons of the acetylene ligand.</img>","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141568077","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}
引用次数: 0
Excited state dynamics of homoleptic Zn(II)dipyrrin complexes and their application in photocatalysis 同色 Zn(II)dipyrrin 复合物的激发态动力学及其在光催化中的应用
IF 3.3 3区 化学
New Journal of Chemistry Pub Date : 2024-07-10 DOI: 10.1039/d4nj02527j
Julia Leier, Pascal Rauthe, Roberta Tabone, Claudia Bizzarri, Andreas Neil Unterreiner
{"title":"Excited state dynamics of homoleptic Zn(II)dipyrrin complexes and their application in photocatalysis","authors":"Julia Leier, Pascal Rauthe, Roberta Tabone, Claudia Bizzarri, Andreas Neil Unterreiner","doi":"10.1039/d4nj02527j","DOIUrl":"https://doi.org/10.1039/d4nj02527j","url":null,"abstract":"We present photophysical studies on homoleptic zinc-dipyrrin complexes representing intramolecular donor-acceptor systems. Intramolecular charge transfer depends on ligand variation and intermolecular environmental influences. In particular, we focus on steady-state and transient absorption methods to compare the response of the ligand dynamics with that of the complexes after photoexcitation. For the first time, we successfully tested zinc bis(dipyrrinato) complexes as photocatalysts in two different aerobic photooxidation reactions. Early-time dynamics after 100 fs in dichloromethane and in ethanol can be assigned to charge transfer states, while the subsequent response constitutes broad-band excited state dynamics, most likely of overlapping singlet and triplet states when probed in a relatively wide spectral window from 350 to 1400 nm and up to a delay time of 1.6 ns. In addition, a strong correlation between steady-state and time-resolved experiments makes this experimental approach a versatile tool for future investigations of this class of molecules, especially with respect to photocatalysis. The results of this study underpin the need for further development for quantifying amplitudes of the excited state population of electronically excited singlet and triplet states.","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141568070","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}
引用次数: 0
Hydrogel films prepared from plant-seed mucilage: An emerging biopolymer for therapeutic applications 用植物种子粘液制备的水凝胶薄膜:用于治疗的新兴生物聚合物
IF 3.3 3区 化学
New Journal of Chemistry Pub Date : 2024-07-10 DOI: 10.1039/d4nj01460j
Debolina Ghosh, Gopal Das
{"title":"Hydrogel films prepared from plant-seed mucilage: An emerging biopolymer for therapeutic applications","authors":"Debolina Ghosh, Gopal Das","doi":"10.1039/d4nj01460j","DOIUrl":"https://doi.org/10.1039/d4nj01460j","url":null,"abstract":"Hydrogels, especially those based on polysaccharides, are three-dimensional polymeric networks with a porous internal structure and various functional groups, making them highly promising for various biomedical applications. This study used an extract from fenugreek and flax seeds, commonly found in India, to create a hydrogel subjected to morphological, functional identification, rheology, and other relevant characterizations. No additional cross-linking agent was used to prepare these films, suggesting that strong intra-and inter-molecular H bonding interactions were dominant in the gelation process. The hydrogels were then analyzed for their potential in various biological applications such as anti-diabetic, anti-inflammatory, and antioxidant activities. The flax hydrogel film demonstrated 69% alpha-amylase inhibition and a maximum scavenging potential of up to 90%. On the other hand, the fenugreek hydrogel film showed 90% alpha-amylase inhibition and maximal scavenging activity of up to 91%. Additionally, both hydrogels exhibited the ability to quench tryptophan fluorescence, highlighting their anti-inflammatory properties. Finally, their potential antimicrobial properties were also investigated. These findings emphasize the innovative uses of transforming seed extracts into sustainable therapeutic applications.","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141568074","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}
引用次数: 0
MoS2@CoFe-MOF catalysts by one-pot hydrothermal synthesis enhanced electron interaction between MoS2 nanoflower and bimetallic MOF for efficient oxygen evolution 通过一锅水热法合成 MoS2@CoFe-MOF 催化剂,增强 MoS2 纳米花与双金属 MOF 之间的电子相互作用,实现高效氧进化
IF 3.3 3区 化学
New Journal of Chemistry Pub Date : 2024-07-10 DOI: 10.1039/d4nj02380c
Jiahui Li, Yufen Wang, Qinyuan Yu, Xuedong Wei
{"title":"MoS2@CoFe-MOF catalysts by one-pot hydrothermal synthesis enhanced electron interaction between MoS2 nanoflower and bimetallic MOF for efficient oxygen evolution","authors":"Jiahui Li, Yufen Wang, Qinyuan Yu, Xuedong Wei","doi":"10.1039/d4nj02380c","DOIUrl":"https://doi.org/10.1039/d4nj02380c","url":null,"abstract":"A kind of MoS2@CoFe-MOF electrocatalyst was prepared on carbon cloth by one-pot hydrothermal method. The excellent electrocatalysts activity of MoS2@CoFe-MOF are demonstrated. It can use the overpotential of 220 mV and 405 mV respectively to drive 10 mA cm-2 and 50 mA cm-2. It is indicated that the MoS2@CoFe-MOF electrode exhibits excellent stability at the end of 48000 s, and it has the highest electrochemical activity specific surface area and the lowest charge transfer resistance. This work proposes a promising approach for hydrogen production by electrolysis of water using electrocatalysts composed of non precious transition metal sulfides and bimetallic MOFs in energy chemistry.","PeriodicalId":95,"journal":{"name":"New Journal of Chemistry","volume":null,"pages":null},"PeriodicalIF":3.3,"publicationDate":"2024-07-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141568073","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}
引用次数: 0
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