Luminescence最新文献

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Supramolecularly Caged Cyclometalated Iridium Complex With a New Imidazole Type Ancillary Ligand for Stable and Bright Green Light-Emitting Electrochemical Cell 超分子笼型环金属化铱配合物与新型咪唑型辅助配体用于稳定的亮绿色发光电化学电池
IF 3.2 4区 化学
Luminescence Pub Date : 2025-06-10 DOI: 10.1002/bio.70234
Zahra Golbodaghi, Babak Nemati Bideh
{"title":"Supramolecularly Caged Cyclometalated Iridium Complex With a New Imidazole Type Ancillary Ligand for Stable and Bright Green Light-Emitting Electrochemical Cell","authors":"Zahra Golbodaghi,&nbsp;Babak Nemati Bideh","doi":"10.1002/bio.70234","DOIUrl":"https://doi.org/10.1002/bio.70234","url":null,"abstract":"<div>\u0000 \u0000 <p>A new imidazole-based ligand and its cyclometalated iridium (III) complex, namely, [Ir (ppy)<sub>2</sub>(Imdipy)](ClO<sub>4</sub>): IrL, were designed and successfully synthesized with a combination approach and employed as an emissive layer in the fabrication of light-emitting electrochemical cell (LEC). This complex exhibits intense structured green emissions centered at 490 and 515 nm with a high photoluminescence quantum yield of 17% in a CH<sub>2</sub>Cl<sub>2</sub> solution. Moreover, an intense structureless yellow-green emission was observed in its spin-coated neat film at a maximum wavelength of 540 nm. Compared with archetype complex [Ir (ppy)<sub>2</sub>(bpy)]<sup>+</sup>, IrL illustrates a 3% higher PL quantum yield (PLQY) with a 100-nm blue shift in emission, which is attributed to the strong field nature of Imdipy ancillary ligand in IrL. Electrochemical studies confirmed the electrochemical stability of the IrL complex as a consequence of its quasi-reversible redox behavior in the solution. The IrL-based LEC shows stable yellow-green electroluminescence centered at 546-nm. This study demonstrates the importance of such ligands in achieving optoelectronic devices (LECs and OLEDs) with long lifetime at short wavelengths.</p>\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144244804","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
Green Synthesis of Luminescent Silver Nanoparticles Using Annona reticulata Fruit: Evaluation of Biological and Environmental Applications 利用番荔枝果实绿色合成发光纳米银:生物和环境应用评价
IF 3.2 4区 化学
Luminescence Pub Date : 2025-06-10 DOI: 10.1002/bio.70230
Thangam Chinnathambi, Kandasamy Selvam, Chinnappan Sudhakar, Arunagiri Ragu Prasath, Seralathan Kamala-Kannan, Woong Kim, Duraisamy Senbagam
{"title":"Green Synthesis of Luminescent Silver Nanoparticles Using Annona reticulata Fruit: Evaluation of Biological and Environmental Applications","authors":"Thangam Chinnathambi,&nbsp;Kandasamy Selvam,&nbsp;Chinnappan Sudhakar,&nbsp;Arunagiri Ragu Prasath,&nbsp;Seralathan Kamala-Kannan,&nbsp;Woong Kim,&nbsp;Duraisamy Senbagam","doi":"10.1002/bio.70230","DOIUrl":"https://doi.org/10.1002/bio.70230","url":null,"abstract":"<div>\u0000 \u0000 <p>Green metal nanoparticles are used as building blocks for nanomedicine because they are safe, cheap, and last a long time. Natural products combined with silver nanoparticles (AgNPs) were identified by researchers to have applications in medicine and the environment. Our study focused on creating <i>Annona reticulata</i> fruit-based luminescent silver nanoparticles (ARF-AgNPs) and their antioxidant, antibacterial, and photocatalytic potential. The <i>A. reticulata</i> fruit-based luminescent silver nanoparticles (ARF-AgNPs) were characterized by UV–visible spectroscopy, Fourier transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD), and field emission scanning electron microscopy with energy dispersive X-ray spectroscopy (FESEM-EDX). The antioxidant action of ARF-AgNPs against DPPH radicals was found to show that at 500 μg/mL, their activity level ranged from up to 80.21 ± 0.91%. As bacterial pathogens, <i>Staphylococcus aureus</i> and <i>Pseudomonas aeruginosa</i> were used to assess the bactericidal efficacy of ARF-AgNPs. Furthermore, capable of accelerating the malachite green (MG) dye responses were the green ARF-AgNPs. Therefore, these findings suggest a feasible method for producing ARF-AgNPs from <i>A. reticulata</i> fruit rind, which can be used in several chemical and medicinal applications.</p>\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144244720","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
Fabrication and Characterization of Zinc Oxide Nanoparticles Derived From Aegle marmelos Fruit: Evaluation of Antioxidant, Antibacterial, and Photocatalytic Properties 蜜瓜果实中氧化锌纳米颗粒的制备与表征:抗氧化、抗菌和光催化性能的评价
IF 3.2 4区 化学
Luminescence Pub Date : 2025-06-10 DOI: 10.1002/bio.70224
S. Thenmozhi, J. Dhanalakshmi, Mohammed F. Albeshr, J. Vinoth Kumar, P. Srinivasan, V. Senthamarai Selvi
{"title":"Fabrication and Characterization of Zinc Oxide Nanoparticles Derived From Aegle marmelos Fruit: Evaluation of Antioxidant, Antibacterial, and Photocatalytic Properties","authors":"S. Thenmozhi,&nbsp;J. Dhanalakshmi,&nbsp;Mohammed F. Albeshr,&nbsp;J. Vinoth Kumar,&nbsp;P. Srinivasan,&nbsp;V. Senthamarai Selvi","doi":"10.1002/bio.70224","DOIUrl":"https://doi.org/10.1002/bio.70224","url":null,"abstract":"<div>\u0000 \u0000 <p>A green synthesis approach was employed to produce zinc oxide nanoparticles (ZnONPs) utilizing <i>Aegle marmelos</i> fruit extract as a natural capping agent. The resulting nanoparticles (AMF-ZnONPs) were analyzed using various characterization techniques. The findings highlighted the presence of bioactive compounds in the fruit extract, which played a key role in stabilizing and forming the nanoparticles. The AMF-ZnONPs exhibited a wurtzite crystal structure with a particle size of 52 nm and hexagonal morphology. The antibacterial activity demonstrated significant inhibition zones against <i>Bacillus cereus</i> and <i>Pseudomonas aeruginosa</i>, with maximum inhibition zones of 22 ± 0.30 and 20 ± 0.35 mm, respectively. Antioxidant properties were confirmed using a DPPH assay, showing high free radical scavenging activity. Additionally, the photocatalytic efficiency of AMF-ZnONPs was tested for the degradation of methylene blue and reactive red 120 dyes under sunlight, achieving degradation efficiencies of 95% and 93%, respectively. These results underscore the multifunctional potential of green-synthesized ZnONPs for environmental and biomedical applications, offering a sustainable approach to pollution control and antimicrobial resistance.</p>\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144256423","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
Highly Selective and Sensitive Detection of Quinolone Antibiotics Using Lanthanide Metal–Organic Framework-Based White-Light Materials 镧系金属-有机骨架白光材料高选择性、高灵敏度检测喹诺酮类抗生素
IF 3.2 4区 化学
Luminescence Pub Date : 2025-06-10 DOI: 10.1002/bio.70227
Ming Xia, Weichao Ma, Lina Zhao, Hongbo Liu
{"title":"Highly Selective and Sensitive Detection of Quinolone Antibiotics Using Lanthanide Metal–Organic Framework-Based White-Light Materials","authors":"Ming Xia,&nbsp;Weichao Ma,&nbsp;Lina Zhao,&nbsp;Hongbo Liu","doi":"10.1002/bio.70227","DOIUrl":"https://doi.org/10.1002/bio.70227","url":null,"abstract":"<div>\u0000 \u0000 <p>Antibiotics have emerged as predominant contaminants in wastewater, posing significant threats to ecosystems and public health. Consequently, the detection of these antibiotic residues is imperative for mitigating environmental pollution and ensuring food safety. Metal–organic frameworks, characterized by their distinctive structures and optical properties, present innovative solutions for the efficient and sensitive detection of antibiotics. In this study, two lanthanide-based MOF luminophores were synthesized, and by fine-tuning their proportions, white light-emitting materials were developed for the detection of quinolone antibiotics. These luminophores exhibit antibiotic detection through observable colorimetric changes, achieving detection limits as low as 4.863 × 10<sup>−8</sup> M for ciprofloxacin (CPFX) and 9.259 × 10<sup>−7</sup> M for norfloxacin (NFX). This research lays a substantial foundation for the development of high-performance sensors, thereby advancing the field of environmental monitoring technologies.</p>\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144244719","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
Modified Rhodamine B Immobilized on Silica Nanoparticles (MRB@SiNPs) as a Fluorescent Probe for Selective Metal Ion Detection 二氧化硅纳米颗粒固定化修饰罗丹明B (MRB@SiNPs)作为选择性金属离子检测的荧光探针
IF 3.2 4区 化学
Luminescence Pub Date : 2025-06-06 DOI: 10.1002/bio.70216
Md Foridul Islam, Smaher M. Elbayomi, Abdulkadir Zakari Abdulkadir, Yuan Luo, Jiqiang Liu, Lintao Cai, Pengfei Zhang
{"title":"Modified Rhodamine B Immobilized on Silica Nanoparticles (MRB@SiNPs) as a Fluorescent Probe for Selective Metal Ion Detection","authors":"Md Foridul Islam,&nbsp;Smaher M. Elbayomi,&nbsp;Abdulkadir Zakari Abdulkadir,&nbsp;Yuan Luo,&nbsp;Jiqiang Liu,&nbsp;Lintao Cai,&nbsp;Pengfei Zhang","doi":"10.1002/bio.70216","DOIUrl":"https://doi.org/10.1002/bio.70216","url":null,"abstract":"<div>\u0000 \u0000 <p>Rhodamine derivatives have demonstrated efficacy as chemosensory probes for the selective and sensitive detection of various metal ions in solution, primarily within aqueous-organic media, where the interaction between the probe and metal ion is conveyed through a signaling module. This study developed a highly sensitive and selective fluorescent probe based on modified Rhodamine B Immobilized on Silica Nanoparticles (MRB@SiNPs) for Fe<sup>3+</sup> ion detection in a “turn-on” system. The spiro-lactam ring opening upon Fe<sup>3+</sup> complexation triggered enhancements in absorption and fluorescence spectra, accompanied by a color change. This indicates the structure-function relationship of signaling expressions, which influences selectivity, sensitivity, interaction affinity, response time, reversibility, and other parameters essential for effective detection. Furthermore, the probe’s optical response was impacted by pH and chelation time, where a reduction in pH and longer interaction with Fe<sup>3+</sup> enhanced both absorbance and fluorescence intensity. The detection limit was calculated at 0.0496 μM, and the probe showed good efficiency for reversibility. These characteristics highlight the potential of MRB@SiNPs as a promising platform for Fe<sup>3+</sup> detection, offering real-time, highly sensitive, and visually perceptible detection capabilities for environmental and analytical applications.</p>\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144219914","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 of Titanium Oxide Modified Al-Zn-Doped Hydroxyapatite Composites and Their Antibacterial Activity 氧化钛修饰al - zn掺杂羟基磷灰石复合材料的合成及其抗菌性能
IF 3.2 4区 化学
Luminescence Pub Date : 2025-06-06 DOI: 10.1002/bio.70226
S. Sebastiammal, A. Mariappan, M. Santhamoorthy, Natarajan Elangovan, Haifa A. Alqhtani, R. Feyolah Herin, A. S. Shalfia Judit, May Bin Juma, J. Henry
{"title":"Synthesis of Titanium Oxide Modified Al-Zn-Doped Hydroxyapatite Composites and Their Antibacterial Activity","authors":"S. Sebastiammal,&nbsp;A. Mariappan,&nbsp;M. Santhamoorthy,&nbsp;Natarajan Elangovan,&nbsp;Haifa A. Alqhtani,&nbsp;R. Feyolah Herin,&nbsp;A. S. Shalfia Judit,&nbsp;May Bin Juma,&nbsp;J. Henry","doi":"10.1002/bio.70226","DOIUrl":"https://doi.org/10.1002/bio.70226","url":null,"abstract":"<div>\u0000 \u0000 <p>This work focuses on the synthesis of aluminum and zinc-doped titanium oxide-modified hydroxyapatite composites by the sol–gel process. Al-Zn@TiO<sub>2</sub>/Ca<sub>10-X</sub>Al<sub>X</sub>Zn<sub>X</sub>(PO<sub>4</sub>)<sub>6</sub>(OH)<sub>2</sub> (X<sub>Al/Zn</sub> = 0.5%) (Al-Zn:TiO<sub>2</sub>-HAp) composites were synthesised and annealed at two different temperatures (500°C to 600°C). The structural, morphology and composition of the Al-Zn:TiO<sub>2</sub>-HAp samples was investigated using X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray spectroscopy (EDX) techniques respectively. Furthermore, UV–vis spectral analysis was used to investigate the optical characteristics of the samples. The potential antibacterial efficacy of the produced Al-Zn:TiO<sub>2</sub>-HAp composite samples was tested against bacterial pathogens <i>Shigella flexneri</i> (<i>S. flexneri</i>) and <i>Pseudomonas aeruginosa</i> (<i>P. aeruginosa</i>), respectively. The antimicrobial investigation showed that Al-Zn:TiO<sub>2</sub>-HAp composites effectively suppress the development of <i>S. flexneri</i> and <i>P. aeruginosa</i>. Furthermore, raising the annealing temperature of the Al-Zn:TiO<sub>2</sub>-HAp composites can significantly increase their ability to prevent bacterial growth.</p>\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144219930","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
Novel Fluorescent Nanoprobe Based on Gold Nanoparticles and Carbon Quantum Dots for Probing and Imaging of Intracellular Glutathione 基于金纳米粒子和碳量子点的新型荧光纳米探针对细胞内谷胱甘肽的探测和成像
IF 3.2 4区 化学
Luminescence Pub Date : 2025-06-05 DOI: 10.1002/bio.70225
Mohamad Mahani, Leila Montazer
{"title":"Novel Fluorescent Nanoprobe Based on Gold Nanoparticles and Carbon Quantum Dots for Probing and Imaging of Intracellular Glutathione","authors":"Mohamad Mahani,&nbsp;Leila Montazer","doi":"10.1002/bio.70225","DOIUrl":"https://doi.org/10.1002/bio.70225","url":null,"abstract":"<div>\u0000 \u0000 <p>Glutathione (GSH), a tripeptide and essential antioxidant, plays a pivotal role in cellular defense by detoxifying reactive oxygen species, enhancing antioxidant activity, and maintaining redox homeostasis. Accurate measurement of GSH levels is vital for understanding health status and early disease detection. This study reports the synthesis and characterization of a novel static quenching-based fluorescent probe for GSH detection, employing sulfhydryl-functionalized Cu-doped carbon quantum dots (S-Cu@CQDs) conjugated with gold nanoparticles (GNPs). The probe demonstrates high selectivity, sensitivity, low toxicity, and stability, alongside imaging capabilities for cellular GSH. The sensing mechanism relies on static quenching of S-Cu@CQD fluorescence by GNPs, with fluorescence recovery upon GSH-induced displacement. The probe exhibits a robust linear response to GSH concentrations between 3.0 and 20.0 mM, a limit of detection of 1.0 mM, and successful imaging of GSH in MCF-7 breast cancer cells. These findings position the S-Cu@CQD/GNP conjugate as a promising tool for biomedical applications, including oxidative stress monitoring and cancer diagnostics.</p>\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144213749","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
Fine-Tuning Molecular Structure of Salicylaldehyde Schiff Base for Solid-State Photochromic Mechanism 基于固态光致变色机理的水杨醛席夫碱分子结构微调
IF 3.2 4区 化学
Luminescence Pub Date : 2025-06-05 DOI: 10.1002/bio.70232
Zhiyang Liu, Zhengjian Lian, Guanqun Zhu, Wenjie Zhang, Qi Qi, Hong Yang
{"title":"Fine-Tuning Molecular Structure of Salicylaldehyde Schiff Base for Solid-State Photochromic Mechanism","authors":"Zhiyang Liu,&nbsp;Zhengjian Lian,&nbsp;Guanqun Zhu,&nbsp;Wenjie Zhang,&nbsp;Qi Qi,&nbsp;Hong Yang","doi":"10.1002/bio.70232","DOIUrl":"https://doi.org/10.1002/bio.70232","url":null,"abstract":"<div>\u0000 \u0000 <p>Salicylaldehyde Schiff base moiety is the classic photochromic core. The study of the absorption and fluorescence color-changing mechanism of such molecules in the solid state remains a challenge. Herein, two similar organic small molecules were designed and synthesized by replacing the hydroxyl group in the salicylaldehyde Schiff base moiety with an ethoxy group. Their optical properties were compared to elucidate critical structure–photoresponse correlations. The hydroxyl-containing molecule can undergo the excited-state intramolecular proton transfer (ESIPT) process under continuous ultraviolet light stimulation in the solid state, transforming from enol forms to keto forms, causing bathochromic shifts in absorption and fluorescence spectra. It has obvious reversible photochromism and aggregation-induced emission (AIE) characteristics. Contrastingly, the ethoxy-substituted derivative shows no change in its absorption spectra and emits almost no fluorescence under the same conditions. The hydroxyl group plays a crucial role in the photochromic and solid-state fluorescence properties of this type of molecule. These findings offer useful guidance for designing stimuli-responsive salicylaldehyde Schiff base molecules.</p>\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144214178","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
Investigating the Function of Ribonucleic Acid in Suppressing the Spectral and In Vitro Cytotoxic Effects of Methylene Blue/Thionine Dyes 核糖核酸抑制亚甲基蓝/硫氨酸染料的光谱和体外细胞毒作用的研究
IF 3.2 4区 化学
Luminescence Pub Date : 2025-06-05 DOI: 10.1002/bio.70221
Dhanya Rajan, Ramar Rajamanikandan, Malaichamy Ilanchelian
{"title":"Investigating the Function of Ribonucleic Acid in Suppressing the Spectral and In Vitro Cytotoxic Effects of Methylene Blue/Thionine Dyes","authors":"Dhanya Rajan,&nbsp;Ramar Rajamanikandan,&nbsp;Malaichamy Ilanchelian","doi":"10.1002/bio.70221","DOIUrl":"https://doi.org/10.1002/bio.70221","url":null,"abstract":"<div>\u0000 \u0000 <p>Small-molecule targeting of ribonucleic acid (RNA) is a new and promising therapeutic approach, but it requires the discovery of small compounds that can specifically target particular RNA structures. In this context, a comprehensive description of the photophysical interaction features of phenothiazinium dyes such as thionine (TH)/methylene blue (MB) with transfer ribonucleic acid (tRNA) is examined by spectrophotometric titration and molecular docking analysis. After binding with tRNA, TH/MB dyes displayed emission, and absorption characteristics were significantly changed. The observed tRNA-induced spectral alterations are attributed to energy transfer from guanine base pairs, likely resulting from an intercalative interaction mode proposed for tRNA. The negative free energy change value (ΔG = ~ − 27.5 kJ mol<sup>−1</sup>) of the TH/MB dye–tRNA systems suggests that the present binding interaction is highly favorable and spontaneous. The conformational alterations of the tRNA with both dyes were verified using circular dichroism analyses. Molecular docking test results indicated that TH/MB dye molecules bonded to the tRNA cavity in a specific pattern. The novelty of this study resides in a unique role for TH/MB dyes in tRNA dysfunction, expanding our understanding of how TH/MB dyes and their tRNA complexes were used in in vitro cytotoxic investigations of human lung cancer cells.</p>\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144213748","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
Morphological Engineering of MOFs Through Carbon Dot Doping: Enabling Fluorescent Anticounterfeiting on Human Skin 碳点掺杂mof的形态工程:实现人体皮肤荧光防伪
IF 3.2 4区 化学
Luminescence Pub Date : 2025-06-05 DOI: 10.1002/bio.70220
Tianran Si, Yan Ye, Hao Wang, Zhaowei Gong, Huan Wang, Ding Wang, Hui-Jun Li
{"title":"Morphological Engineering of MOFs Through Carbon Dot Doping: Enabling Fluorescent Anticounterfeiting on Human Skin","authors":"Tianran Si,&nbsp;Yan Ye,&nbsp;Hao Wang,&nbsp;Zhaowei Gong,&nbsp;Huan Wang,&nbsp;Ding Wang,&nbsp;Hui-Jun Li","doi":"10.1002/bio.70220","DOIUrl":"https://doi.org/10.1002/bio.70220","url":null,"abstract":"<div>\u0000 \u0000 <p>There is a growing demand for cost-effective, environmentally friendly fluorescent inks that exhibit excellent writing performance and dual anticounterfeiting features, particularly for use on human skin. This study introduces an innovative method that combines nontoxic carbon dots (CDs) with MIL-53(Al)-NH<sub>2</sub>, a metal–organic framework (MOF). By varying the content of CDs, the morphology of MIL-53(Al)-NH<sub>2</sub> was controlled through two mechanisms: nucleation promotion and competitive coordination. This manipulation resulted in a change from gear-like to needle-like structures, which significantly enhanced fluorescence intensity and induced a red shift, especially under different pH conditions. The fluorescent ink produced patterns that remain invisible in daylight but shift from yellow to blue under ultraviolet light as they dry, with this effect being repeatable. These distinctive characteristics underscore the potential of this fluorescent ink for advanced applications in information encryption and anticounterfeiting.</p>\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144214180","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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