Journal of the Indian Chemical Society最新文献

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Synthesis of environmental-friendly fouling release coating, PDMS-X, to prevent the attachment of marine biofouling 合成环保型防污涂料PDMS-X,防止海洋生物污的附着
IF 3.2 4区 化学
Journal of the Indian Chemical Society Pub Date : 2025-05-10 DOI: 10.1016/j.jics.2025.101768
Dessy Ariyanti , Denny Nugroho Sugianto , Aprilina Purbasari , Dina Lesdantina , Elinna Putri Handayani
{"title":"Synthesis of environmental-friendly fouling release coating, PDMS-X, to prevent the attachment of marine biofouling","authors":"Dessy Ariyanti ,&nbsp;Denny Nugroho Sugianto ,&nbsp;Aprilina Purbasari ,&nbsp;Dina Lesdantina ,&nbsp;Elinna Putri Handayani","doi":"10.1016/j.jics.2025.101768","DOIUrl":"10.1016/j.jics.2025.101768","url":null,"abstract":"<div><div>Marine bio-fouling refers to the collection of undesired marine microbes, animals, and plants on the surface of materials immersed in seawater. The marine bio-fouling phenomenon is very detrimental to industrial and marine facilities because it can slow down the speed of ships and increase fuel consumption, resulting in CO<sub>2</sub> emissions. Biofouling corrodes metal and concrete structures, blocks power plant seawater pipes, and impedes the exchange of nutrients in aquaculture areas. The best strategy for inhibiting marine bio-fouling is coating with antifouling or fouling-release components. Antifouling can cause irreversible damage to marine ecology. Meanwhile, the fouling release is more environmentally friendly because the basic principle of this coating prevents the adhesion or attachment of marine microorganisms. In this paper, the investigation of novel synthetization of fouling release polydimethylsiloxane (PDMS) incorporated with TiO<sub>2</sub> and graphene oxide (GO) coating is reported. The XRD analysis indicated the addition of TiO<sub>2</sub> in the coating formula up to 3 % with the diffraction peak shifted to 2θ = 25.44° confirming the anatase structure of nanocrystal TiO<sub>2</sub>. The surface roughness in the AFM result also increases in the nm scale by adding TiO<sub>2</sub>. Meanwhile, from the contact angle measurement, the intercalation of TiO<sub>2</sub>-GO did not influence the sample's hydrophobic properties with a value in the range of 115–117°. The test field shows that PDMS-TiO<sub>2</sub>-GO coating can be applied to various substrates, including fibreglass, acrylic, iron, wood, and concrete. Adding TiO<sub>2</sub> and GO reduced the biofouling coverage in all substrates except for the acrylic-based. The best coating application is in the wood substrate with good adhesion properties and low biofouling coverage (3 %) after being immersed in the sea for eight weeks.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 7","pages":"Article 101768"},"PeriodicalIF":3.2,"publicationDate":"2025-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144068699","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Computational and experimental insights into azo-containing Aroylhydrazones: A promising class of CDK2 inhibitors 含偶氮芳酰腙的计算和实验见解:一类有前途的CDK2抑制剂
IF 3.2 4区 化学
Journal of the Indian Chemical Society Pub Date : 2025-05-10 DOI: 10.1016/j.jics.2025.101764
Tolga Acar Yeşil , Ömer Dilek , Tahir Tilki
{"title":"Computational and experimental insights into azo-containing Aroylhydrazones: A promising class of CDK2 inhibitors","authors":"Tolga Acar Yeşil ,&nbsp;Ömer Dilek ,&nbsp;Tahir Tilki","doi":"10.1016/j.jics.2025.101764","DOIUrl":"10.1016/j.jics.2025.101764","url":null,"abstract":"<div><div>The discovery of novel small-molecule inhibitors targeting cyclin-dependent kinase 2 (CDK2) remains a critical area of research in drug development. Herein, five new azo-based aroylhydrazones (3a–e) were synthesized with high yields and thoroughly characterized using spectroscopic techniques. DFT calculations with the B3LYP functional and 6–311++G(d,p) basis set demonstrated a strong correlation between theoretical and experimental spectral data. Global reactivity assessments via HOMO-LUMO calculations identified 3e as the most electrophilic compound, while 3b displayed the highest hardness. ADMET evaluations confirmed that all synthesized compounds adhered to Lipinski's Rule of Five, suggesting favorable pharmacokinetic properties. Molecular docking studies against CDK2 revealed strong binding affinities, with the 3PXY-3c complex achieving an outstanding docking score of −10.7 kcal/mol and an MM/PBSA binding energy of −131.812 kJ/mol. To further explore its dynamic stability, a 100 ns MD simulation was performed for the 3PXY-3c complex. The results confirmed that 3c maintained stable interactions throughout the simulation, reinforcing its potential as a promising CDK2 inhibitor.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 7","pages":"Article 101764"},"PeriodicalIF":3.2,"publicationDate":"2025-05-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143946534","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Preparation and characterization of renewable biopolymer based alginate adsorbent for removing of crystal violet dye from water 海藻酸盐基可再生生物高分子吸附剂的制备及表征
IF 3.2 4区 化学
Journal of the Indian Chemical Society Pub Date : 2025-05-09 DOI: 10.1016/j.jics.2025.101766
Kadriye Oktor , Guler Hasirci , Nilufer Hilmioglu
{"title":"Preparation and characterization of renewable biopolymer based alginate adsorbent for removing of crystal violet dye from water","authors":"Kadriye Oktor ,&nbsp;Guler Hasirci ,&nbsp;Nilufer Hilmioglu","doi":"10.1016/j.jics.2025.101766","DOIUrl":"10.1016/j.jics.2025.101766","url":null,"abstract":"<div><div>Purifying water resources with sustainable technologies is essential for the future of humanity. Crystal violet is one of the most polluting dyes and is harmful to aquatic ecosystems. Therefore, its removal from water is very important for environmental health. In this study, the removal of crystal violet dye from water was investigated using a carbon nanotube-loaded alginate adsorbent, which is environmentally friendly and does not generate unwanted byproducts. Modified alginate attracts attention as a biocompatible, sustainable, environmentally friendly and renewable adsorbent. Functionalized multi-walled carbon nanotube-loaded alginate adsorbent beads were developed for the removal of crystal violet from water. Adsorbents were characterized by FTIR, TGA, and SEM analyses. The Design Expert 12 student version was used for the statistical analysis. Three variables adsorbent dosage, solution concentration, and time, were investigated using the Response Surface Method (Box-Behnken design model) to determine the response (crystal violet removal %). The experimental data were found to be compatible with the quadratic model. According to the ANOVA, the most effective variable was the removal timeby adsorption. An adsorption capacity of 32.05 mg/g was obtained from the adsorbents for the adsorption of crystal violet from water. It was observed that the experimental data were compatible with the Langmuir isotherm and the pseudo-second-order kinetic model. It was concluded that the prepared composite adsorbents are suitable for the removal of crystal violet from water.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 7","pages":"Article 101766"},"PeriodicalIF":3.2,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143935638","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Pet-coke derived GO/Chitosan polymer composite: Preparation, characterization, and biomedical evaluation pet -焦炭衍生氧化石墨烯/壳聚糖聚合物复合材料:制备、表征和生物医学评价
IF 3.2 4区 化学
Journal of the Indian Chemical Society Pub Date : 2025-05-08 DOI: 10.1016/j.jics.2025.101760
Renukadevi S , Manimozhi V , Sivakumar E.K.T , Jaisankar V
{"title":"Pet-coke derived GO/Chitosan polymer composite: Preparation, characterization, and biomedical evaluation","authors":"Renukadevi S ,&nbsp;Manimozhi V ,&nbsp;Sivakumar E.K.T ,&nbsp;Jaisankar V","doi":"10.1016/j.jics.2025.101760","DOIUrl":"10.1016/j.jics.2025.101760","url":null,"abstract":"<div><div>Chitosan, a biopolymer obtained from a natural source with amended properties set the precursor for numerous combination of polymeric composites. Chitosan composites have attracted great interest in biomedical applications because of their biocompatibility and tunable properties. In this research, a chitosan/graphene oxide (CS/GO) composite was prepared by graphene oxide (GO) obtained from pet-coke via a new environmentally friendly process, different from the traditional Hummers' method; similarly, chitosan is isolated from the squid pen (<em>Dosideus gigas</em>); the composite of those is crafted to ensure the homogenous dispersion between these constituents to increase the mechanical integrity and biocompatibility. The structural, morphological, and thermal characteristics of the prepared GO, CS, and CS/GO are outlined by using analytical techniques like ‘ultraviolet spectroscopy (UV), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), universal testing machine (UTM), and thermogravimetric analysis (TGA)’. Results established that pet-coke-derived GO was successfully incorporated into the chitosan matrix, which shows increased cytocompatibility, thermal durability, and mechanical properties. Similarly, <em>in-vitro</em> investigation of this composite in bacterial and cell line cultures showed significant anti-microbial activity against <em>Staphylococcus aureus, Klebsiella pneumoniae, Aspergillus niger, Trichoderma viride,</em> and <em>Candida albicans</em>, in addition to notable anticancer activity against MCF7 cells and wound healing properties. These properties emphasise the potential of chitosan polymer composites as a versatile material towards biomedical applications, owing to the advancement in material science.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 7","pages":"Article 101760"},"PeriodicalIF":3.2,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143942384","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Study of Nacre-like h-BN/waterborne polyurethane nanocomposite with high-thermal, mechanical and water resistance properties 具有高热、力学和耐水性能的类丙烯酸h-BN/水性聚氨酯纳米复合材料的研究
IF 3.2 4区 化学
Journal of the Indian Chemical Society Pub Date : 2025-05-08 DOI: 10.1016/j.jics.2025.101767
Xiaoyan Gao , Nisar Ali , Meng Zhao , Guang Hu , Adnan Khan , Dandan Min , Lijing Zhang , Lingli Ni , Mohammed Albahri
{"title":"Study of Nacre-like h-BN/waterborne polyurethane nanocomposite with high-thermal, mechanical and water resistance properties","authors":"Xiaoyan Gao ,&nbsp;Nisar Ali ,&nbsp;Meng Zhao ,&nbsp;Guang Hu ,&nbsp;Adnan Khan ,&nbsp;Dandan Min ,&nbsp;Lijing Zhang ,&nbsp;Lingli Ni ,&nbsp;Mohammed Albahri","doi":"10.1016/j.jics.2025.101767","DOIUrl":"10.1016/j.jics.2025.101767","url":null,"abstract":"<div><div>Nacre-like polymer nanocomposites have become fascinating material nowadays because of their exceptional mechanical property. In this study, nacre-like waterborne polyurethane/hexagonal boron nitride (WPU/h-BN) nanocomposite with high-thermal, mechanical and water resistance has been successfully prepared via mechanical blending method. Owing to strong interfacial interactions and a nacre-like structure, the WPU/h-BN nanocomposite with a loading amount of 30 wt% exhibits excellent tensile strength of 27.3 MPa, compared with 4.16 MPa for pure WPU. Additionally, it has an exceptional maximum decomposition temperature of 443 °C and an outstanding water absorption ratio of 8.1 %. This approach of adopting h-BN and WPU to construct nacre-like structure may provide a new path for preparing high performance WPU strategies.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 6","pages":"Article 101767"},"PeriodicalIF":3.2,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143924026","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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, characterization, DFT and molecular docking of novel organic-inorganic nanohybrids synthesized from silver nanoparticles with benzothiazole derivatives 银纳米粒子与苯并噻唑衍生物合成的新型有机-无机纳米杂化物的合成、表征、DFT和分子对接
IF 3.2 4区 化学
Journal of the Indian Chemical Society Pub Date : 2025-05-08 DOI: 10.1016/j.jics.2025.101761
Nuaman F. Alheety , Noureddine Raouafi , Sattar S. Ibrahim , Ahmed A. Al-Kubaisi , Mustafa A. Alheety , Rafaâ Besbes
{"title":"Synthesis, characterization, DFT and molecular docking of novel organic-inorganic nanohybrids synthesized from silver nanoparticles with benzothiazole derivatives","authors":"Nuaman F. Alheety ,&nbsp;Noureddine Raouafi ,&nbsp;Sattar S. Ibrahim ,&nbsp;Ahmed A. Al-Kubaisi ,&nbsp;Mustafa A. Alheety ,&nbsp;Rafaâ Besbes","doi":"10.1016/j.jics.2025.101761","DOIUrl":"10.1016/j.jics.2025.101761","url":null,"abstract":"<div><div>This research includes the preparation of new benzothiazole derivatives. The carboxylic acid derivative (N1) was prepared by reacting the compound 2-mercaptobenzothiazole with chloroacetic acid. The compound 2-hydrazinobenzothiazole (N2) was also prepared from the reaction of aqueous hydrazine with the compound 2-mercaptobenzothiazole. A new amide derivative (N3) was prepared by reacting the compound 2-hydrazinobenzothiazole with benzoyl chloride. Silver nanoparticles (N4) were also prepared using aqueous extract of Malva parviflora as a reducing agent. Then that, new organic nanocomposites were prepared through the reaction of benzothiazole derivatives (N1, N3) with silver nanoparticles. The prepared compounds were characterized using different techniques: UV–Vis, FTIR, H NMR, XRD, SEM and TEM. Density function theory (DFT) studies were performed on three benzothiazole derivatives (compounds N1, N2, and N3), previously synthesized by our group. Molecular docking studies revealed that N1, N2, and N3 showed a good interaction with VEGFR-2 enzyme. Moreover, N3 has interacted with COX-2 enzyme in the binding mode, as well. Only compound N3 displayed very good activity against breast cancer receptor. These findings showed us that N1, N2, and N3 could be led compounds to discover new anti-cancer and anti-inflammatory drug design.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 7","pages":"Article 101761"},"PeriodicalIF":3.2,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143935637","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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 zinc oxide crystallite size on photocatalysis and antibacterial efficacy 氧化锌晶粒尺寸对光催化及抗菌效果的影响
IF 3.2 4区 化学
Journal of the Indian Chemical Society Pub Date : 2025-05-08 DOI: 10.1016/j.jics.2025.101758
Aishwarya Senthil , R. Puspalata , Saravanan Ramachandran , G. Kiran Kumar Reddy , R.K. Padhi , S. Amirthapandian , G. Rajesh , S. Bera , T.V. Krishna Mohan
{"title":"Impact of zinc oxide crystallite size on photocatalysis and antibacterial efficacy","authors":"Aishwarya Senthil ,&nbsp;R. Puspalata ,&nbsp;Saravanan Ramachandran ,&nbsp;G. Kiran Kumar Reddy ,&nbsp;R.K. Padhi ,&nbsp;S. Amirthapandian ,&nbsp;G. Rajesh ,&nbsp;S. Bera ,&nbsp;T.V. Krishna Mohan","doi":"10.1016/j.jics.2025.101758","DOIUrl":"10.1016/j.jics.2025.101758","url":null,"abstract":"<div><div>The current study explores the effect of nano-zinc oxide crystallite size on photocatalysis efficiency and antibacterial behaviour. Different-sized (13, 22 and 57 nm) nano-ZnO synthesized by sol-gel method was characterized using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), field emission scanning electron microscopy with energy dispersive X-ray spectroscopy (FE-SEM-EDX) and dynamic light scattering (DLS) techniques. The effect of crystallite size on the other electronic and optical properties, such as band gap and fluorescence, was investigated. XRD showed the existence of intermediate Zn<sub>4</sub>O(AC)<sub>6</sub> phases in 22 nm ZnO. The fluorescence intensity was higher for the smallest (13 nm) nano-ZnO crystallites with the highest band gap value. The photocatalytic efficiency for the photo-degradation of cationic (methylene blue; MB) and anionic (methyl orange; MO) dyes was mainly dependent on the surface zeta potential on nano-ZnO, their hydrodynamic size and the amount of oxidizing species generated during photolysis. Concentration-dependent growth inhibition studies on gram-positive <em>S. aureus</em> showed complete growth inhibition with 375 mg L<sup>−1</sup> of ZnO, irrespective of size.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 7","pages":"Article 101758"},"PeriodicalIF":3.2,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143946535","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Electrochemical performance of graphene oxide/epoxy/iron composite coatings for corrosion protection of X52 mild steel in NaCl solution 氧化石墨烯/环氧树脂/铁复合涂层在NaCl溶液中的电化学性能
IF 3.2 4区 化学
Journal of the Indian Chemical Society Pub Date : 2025-05-08 DOI: 10.1016/j.jics.2025.101765
Ouchenane sihem , Rezgoun Sarra , Ramzi Jalgham , Ziani Nadia
{"title":"Electrochemical performance of graphene oxide/epoxy/iron composite coatings for corrosion protection of X52 mild steel in NaCl solution","authors":"Ouchenane sihem ,&nbsp;Rezgoun Sarra ,&nbsp;Ramzi Jalgham ,&nbsp;Ziani Nadia","doi":"10.1016/j.jics.2025.101765","DOIUrl":"10.1016/j.jics.2025.101765","url":null,"abstract":"<div><div>In this study, graphene oxide/epoxy coatings with varying iron particles contents were developed. The anticorrosive properties of the graphene oxide/epoxy/iron (GO/EP/Fe) coatings were investigated in a 0.5 M NaCl solution using electrochemical techniques such as chronopotentiometry, potentiodynamic polarization, and Electrochemical Impedance Spectroscopy (EIS). The results showed that the addition of 0.5g of iron to the coating significantly improved its corrosion inhibition performance. Furthermore, scanning electron microscopy (SEM) coupled with energy dispersive spectroscopy (EDS) and optical microscopy (OM) observations revealed that the iron particles near the substrate/coating interface corroded first, providing both cathodic and anodic protection for the steel through the electrical connection with graphene oxide. DFT research demonstrated that graphene oxide interact with metallic surface through active sites on molecule, which are recognized by HOMO-LUMO distributions. The simulations (both Monte Carlo and molecular dynamics) show that graphene oxide adsorbs spontaneously and approaches the steel surface gradually, forming a high-density electronic cloud on the metal surface. Additionally, the Monte Carlo simulations support the experimental results showing that an increase in iron content led to a decrease in adsorption energy.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 7","pages":"Article 101765"},"PeriodicalIF":3.2,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143928160","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Insight into hair dyeing properties and mechanisms of Maya blue-like pigments modified with different silane coupling agents 不同硅烷偶联剂改性玛雅蓝样颜料染发性能及机理的研究
IF 3.2 4区 化学
Journal of the Indian Chemical Society Pub Date : 2025-05-08 DOI: 10.1016/j.jics.2025.101769
Hao Chen, Yingjie Ye
{"title":"Insight into hair dyeing properties and mechanisms of Maya blue-like pigments modified with different silane coupling agents","authors":"Hao Chen,&nbsp;Yingjie Ye","doi":"10.1016/j.jics.2025.101769","DOIUrl":"10.1016/j.jics.2025.101769","url":null,"abstract":"<div><div>The use of clay-based nanomaterials for human hair dyeing is an ideal method due to its high safety and minimal hair damage. However, their hair dyeing mechanisms are poorly understood. This study shows the hair dyeing properties of Maya blue-like pigment (palygorskite-indigo hybrid, MB) and its organically modified samples. The hair dyeing effect of the hybrid was determined by measuring the chromatic parameters and calculating the color difference. A series of characterizations, such as SEM, contact angle, mechanical properties, and shampoo resistance, were carried out on the hair before and after dyeing to reveal the dyeing mechanism. The results indicated that organic modification could significantly improve the hair dyeing effect of the pigment. The loading ratios of indigo, MB, 550 MB, 560 MB, 590 MB, and 1631 MB on the hair were 0.12 %, 0.54 %, 5.85 %, 3.77 %, 4.30 %, and 6.68 %, respectively. The colloidal stability of the modified pigment determined the size of particle aggregates deposited on human hair. The difference in hydrophilicity and hydrophobicity between the hybrid and hair could control the coverage of particles. Dyeing with modified pigments improved the mechanical properties and shampoo washing resistance of hair. After 10 repeated shampoo washes, the retention ratioof hair dyed with modified samples was significantly better than that of MB, still maintaining at 72–92 %. The mechanisms of action between the four silane coupling agents modified samples and hair were electrostatic attraction, covalent bonding, hydrogen bonding, and hydrophobic interaction, respectively.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 7","pages":"Article 101769"},"PeriodicalIF":3.2,"publicationDate":"2025-05-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143928162","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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
Developing the optical and radiation shielding of PVA/PVP blend by doping with Fe/NiO nanoparticles Fe/NiO纳米颗粒掺杂PVA/PVP共混物的光学和辐射屏蔽性能
IF 3.2 4区 化学
Journal of the Indian Chemical Society Pub Date : 2025-05-06 DOI: 10.1016/j.jics.2025.101752
Ali Badawi , Sami S. Alharthi
{"title":"Developing the optical and radiation shielding of PVA/PVP blend by doping with Fe/NiO nanoparticles","authors":"Ali Badawi ,&nbsp;Sami S. Alharthi","doi":"10.1016/j.jics.2025.101752","DOIUrl":"10.1016/j.jics.2025.101752","url":null,"abstract":"<div><div>The current work aims to develop the optical and radiation shielding of PVA/PVP blend by doping with Fe/NiO (FNO) nanoparticles. FNO doped with PVA/PVP polymeric nanocomposites (PNCs) were prepared by solution casting procedure. The FT-IR and optical microscopy techniques were utilized to investigate the structure modifications and surface morphology of all samples. The UV–visible examinations were used to explore the optical parameters of all samples. The optical analysis reveals that the optical bandgap of the host matrix shrinks from 5.05 eV to 4.44 eV, while the Urbach energy rises from 0.47 eV to 0.99 eV. The refractive index and dielectric constants are significantly enhanced through FNO doping. The radiation shielding parameters were explored by Phy-X/PSD software. The mass attenuation coefficient enhanced from 1.09 cm<sup>2</sup>/g to 6.63 cm<sup>2</sup>/g, whereas the linear attenuation coefficient increased from 1.35 cm<sup>−1</sup> to 11.72 cm<sup>−1</sup>. The half and tenth value layers, mean free path (MFP) and effective atomic number were investigated. Furthermore, the exposure buildup factor and energy absorption buildup factor of all samples were also explored at a wide range of MFP values. The findings enclosed in the current work show that FNO PNCs could be effective candidates in plenty of applications in optical and radiation shielding devices.</div></div>","PeriodicalId":17276,"journal":{"name":"Journal of the Indian Chemical Society","volume":"102 7","pages":"Article 101752"},"PeriodicalIF":3.2,"publicationDate":"2025-05-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143922629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"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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