Luminescence最新文献_第5页

A Polysaccharide-Based Fluorescent Polymer Carrier for Natural Product Delivery and Gastric Cancer Inhibition 天然产物传递和胃癌抑制的多糖基荧光聚合物载体

IF 3.2 4区化学

Luminescence Pub Date : 2025-06-13 DOI: 10.1002/bio.70235

Minghan Bai, Yupeng Yang, Yuan Wen

{"title":"A Polysaccharide-Based Fluorescent Polymer Carrier for Natural Product Delivery and Gastric Cancer Inhibition","authors":"Minghan Bai, Yupeng Yang, Yuan Wen","doi":"10.1002/bio.70235","DOIUrl":"https://doi.org/10.1002/bio.70235","url":null,"abstract":"<div>\u0000 \u0000 In this study, we designed and synthesized a novel polysaccharide-based fluorescent nanocarrier system, HPMC-AuNPs@1, for the delivery of plant extract compound 1. The HPMC-AuNPs@1 system was synthesized by functionalizing gold nanoparticles (AuNPs) with hydroxypropyl methylcellulose (HPMC) and loading Compound 1 into the system. The resulting nanocarrier exhibited a typical aggregation-induced emission (AIE) effect in aqueous media, showing strong green fluorescence in a DMSO-H2O (5:95) solution. Host-guest sensing experiments revealed that HPMC-AuNPs@1 demonstrated high selectivity for detecting carcinoembryonic antigen (CEA) among 14 different metallic ions and antigen molecules. A noticeable fluorescence shift occurred upon binding with CEA, and the detection limit for CEA was as low as 2.56 × 10−6 M. Additionally, we explored the potential therapeutic applications of HPMC-AuNPs@1 in cancer treatment, particularly in inducing pyroptosis, a form of programmed cell death. In vitro experiments with SNU-16 cells showed that HPMC-AuNPs@1 nanoparticles inhibited cancer cell proliferation by inducing pyroptosis. These findings suggest that HPMC-AuNPs@1 holds great promise as a therapeutic platform for cancer treatment, particularly in targeting cell proliferation pathways via pyroptosis induction.\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144281554","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

Blue-Emissive Nitrogen-Doped Carbon Quantum Dots as Highly Effective Fluorescent Nanosensor for Congo Red Sensing 蓝发射氮掺杂碳量子点作为高效刚果红荧光纳米传感器

IF 3.2 4区化学

Luminescence Pub Date : 2025-06-12 DOI: 10.1002/bio.70236

Shen Zhang, Zhuo Wang, Yanan Li, Yuyu Guo

引用次数: 0

Green Synthesis of ZrO2 Nanoparticles From Gardenia resinifera for Efficient Photocatalytic Methylene Blue Dye Degradation With Antimicrobial and Antioxidant Properties 栀子绿色合成纳米ZrO2光催化降解亚甲基蓝染料的研究

IF 3.2 4区化学

Luminescence Pub Date : 2025-06-12 DOI: 10.1002/bio.70223

Arumugam Kathirvel, Ramalingam Srinivasan, Muthusamy Sasikumar, Natarajan Ranjith, Ramasamy Srinivasan, Rajamanickam Karthika, Raji Atchudan, Devarajan Natarajan, Mohammad Ahmad Wadaan, P. Srinivasan, Hae Keun Yun

{"title":"Green Synthesis of ZrO2 Nanoparticles From Gardenia resinifera for Efficient Photocatalytic Methylene Blue Dye Degradation With Antimicrobial and Antioxidant Properties","authors":"Arumugam Kathirvel, Ramalingam Srinivasan, Muthusamy Sasikumar, Natarajan Ranjith, Ramasamy Srinivasan, Rajamanickam Karthika, Raji Atchudan, Devarajan Natarajan, Mohammad Ahmad Wadaan, P. Srinivasan, Hae Keun Yun","doi":"10.1002/bio.70223","DOIUrl":"https://doi.org/10.1002/bio.70223","url":null,"abstract":"<div>\u0000 \u0000 This study focuses on the green synthesis of zirconium oxide nanoparticles (ZrO2 NPs) using Gardenia resinifera leaf extract and evaluates their multifunctional applications. The synthesized ZrO2 nanoparticles (Gr-ZrO2 NPs) were characterized through various optical and structural analyses. UV-Vis spectroscopy showed peak absorbance at 294 and 404 nm. FTIR analysis identified phytochemical functional groups from the leaf extract involved in nanoparticle formation. X-ray diffraction confirmed the monoclinic and tetragonal phases of the Gr-ZrO2 NPs, supported by SAED patterns. SEM images revealed spherical morphology, while EDX spectra confirmed the presence of Zr (60.79%) and O (39.21%) elements. TEM analysis indicated spherical nanostructures with a diameter of approximately 10 nm. Gr-ZrO2 NPs demonstrated a significant methylene blue dye removal efficiency of over 91% within 3 h under the sunlight. They also showed notable antibacterial activity, with MIC value ranging from 2.80 ± 0.27 to 6.03 ± 0.10 μg/mL. Gr-ZrO2 NPs exhibited significant antioxidant activity; the lowest IC50 value (14.88 ± 0.04 μg/mL) was recorded for nitric oxide radical scavenging. These results suggest that the synthesized Gr-ZrO2 NPs are effective as antioxidants and antimicrobials and hold promise as photocatalytic agents, potentially serving as candidates for environmental remediation, water treatment, and biomedicine.\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144273497","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

Exploring the Nanoparticle Fabrication Ability of Amaranthus spinosus and Its Biological Functions 刺苋纳米颗粒制备能力及其生物学功能的研究

IF 3.2 4区化学

Luminescence Pub Date : 2025-06-11 DOI: 10.1002/bio.70231

Sumathy Rengarajan, Renuga Devi Navaneethan, S. Alagendran, C. Subramani, Sukirtha Raman, Saurav Dixit, R. Mythili, Bharathiraja Chinnapandi, Arjun Pandian, R. K. Govindarajan

{"title":"Exploring the Nanoparticle Fabrication Ability of Amaranthus spinosus and Its Biological Functions","authors":"Sumathy Rengarajan, Renuga Devi Navaneethan, S. Alagendran, C. Subramani, Sukirtha Raman, Saurav Dixit, R. Mythili, Bharathiraja Chinnapandi, Arjun Pandian, R. K. Govindarajan","doi":"10.1002/bio.70231","DOIUrl":"https://doi.org/10.1002/bio.70231","url":null,"abstract":"<div>\u0000 \u0000 Amaranthus spinosus is a medicinal plant with notable pharmacological properties. In the present work, silver nanoparticles (AgNPs) were synthesized using methanolic leaf extract of A. spinosus. The synthesis of AgNPs was indicated by a color change from green to brown and confirmed through UV–Vis spectroscopy, FTIR, SEM, and XRD analyses. The XRD peaks between 20° and 50° confirmed the crystalline nature of AgNPs, while SEM (1 μm scale) revealed uniformly distributed spherical nanoparticles below 100 nm. The AgNPs exhibited potent antimicrobial activity, with the highest inhibition observed against Klebsiella pneumoniae (20 mm at 100 μg), surpassing the plant extract. Antioxidant assays proved the free radical scavenging capacity of AgNPs compared with standard ascorbic acid. At 500 μg/mL, AgNPs achieved 71% DPPH scavenging, 75% hydroxyl radical scavenging, and 68% reducing power, significantly outperforming the plant extract. The in vitro anticancer property of AgNPs against HT-29 colorectal cancer cells revealed a concentration-dependent cytotoxic effect, with maximum cell death at 100 μg/mL. AO/EtBr staining confirmed apoptosis through a shift from green to orange/red fluorescence, while DAPI staining indicated nuclear condensation and fragmentation. These findings highlight A. spinosus-derived AgNPs as promising candidates for biomedical applications, offering enhanced antimicrobial, antioxidant, and anticancer properties via eco-friendly synthesis.\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144264402","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

Hybrid Material of Salen Moieties Functionalized 2D-Iodinated GO: A Fluorescent Chemosensor for Cr3+ Ion Detection Salen基团功能化二维碘化氧化石墨烯杂化材料：一种检测Cr3+离子的荧光化学传感器

IF 3.2 4区化学

Luminescence Pub Date : 2025-06-11 DOI: 10.1002/bio.70228

S. Daisylin Anbu Sujitha, K. Gilbert Ross Rex, C. Priya, A. Mageswari, M. Santhamoorthy, Pugalenthi Ramesh

{"title":"Hybrid Material of Salen Moieties Functionalized 2D-Iodinated GO: A Fluorescent Chemosensor for Cr3+ Ion Detection","authors":"S. Daisylin Anbu Sujitha, K. Gilbert Ross Rex, C. Priya, A. Mageswari, M. Santhamoorthy, Pugalenthi Ramesh","doi":"10.1002/bio.70228","DOIUrl":"https://doi.org/10.1002/bio.70228","url":null,"abstract":"<div>\u0000 \u0000 This study presents the development of a hybrid material for the selective detection of chromium ions (Cr3+) in contaminated water. The material, synthesized by covalently intercalating a poly amino-alcohol into iodinated graphene oxide (GO), introduces multifunctional derivatives (-IO₄, -NH₂, -OH). These functional groups enhance the electron mobility of the material, making it highly effective for Cr3+ ion binding. Designed specifically as a chemosensor for Cr3+, the hybrid material addresses the environmental challenge of chromium ion contamination with remarkable selectivity, responding exclusively to Cr3+ without interference from other ions. The detection mechanism combines photo-induced electron transfer (PET) and intramolecular charge transfer (ICT) processes, enabling sensitive and precise detection through changes in photoluminescence properties. Extensive characterization confirms the material's structural and optical properties XPS, XRD, SEM, FTIR and Raman spectroscopy. The optical response of the hybrid material was studied using UV–visible spectroscopy and Photoluminescence. The hybrid material, labeled as N@i-fGO, performs optimally in neutral pH solutions, ensuring environmental relevance. Its fluorescence-based sensing is highly specific to Cr3+ and exhibits no cross-reactivity, underlining its practical utility. The material's potential for environmental monitoring addresses the challenge of chromium ion contamination with a novel and well-characterized hybrid material.\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 6","pages":""},"PeriodicalIF":3.2,"publicationDate":"2025-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144264393","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

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, Babak Nemati Bideh","doi":"10.1002/bio.70234","DOIUrl":"https://doi.org/10.1002/bio.70234","url":null,"abstract":"<div>\u0000 \u0000 A new imidazole-based ligand and its cyclometalated iridium (III) complex, namely, [Ir (ppy)2(Imdipy)](ClO4): 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 CH2Cl2 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)2(bpy)]+, 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.\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, Kandasamy Selvam, Chinnappan Sudhakar, Arunagiri Ragu Prasath, Seralathan Kamala-Kannan, Woong Kim, Duraisamy Senbagam","doi":"10.1002/bio.70230","DOIUrl":"https://doi.org/10.1002/bio.70230","url":null,"abstract":"<div>\u0000 \u0000 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 Annona reticulata fruit-based luminescent silver nanoparticles (ARF-AgNPs) and their antioxidant, antibacterial, and photocatalytic potential. The A. reticulata 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, Staphylococcus aureus and Pseudomonas aeruginosa 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 A. reticulata fruit rind, which can be used in several chemical and medicinal applications.\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, J. Dhanalakshmi, Mohammed F. Albeshr, J. Vinoth Kumar, P. Srinivasan, V. Senthamarai Selvi","doi":"10.1002/bio.70224","DOIUrl":"https://doi.org/10.1002/bio.70224","url":null,"abstract":"<div>\u0000 \u0000 A green synthesis approach was employed to produce zinc oxide nanoparticles (ZnONPs) utilizing Aegle marmelos 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 Bacillus cereus and Pseudomonas aeruginosa, 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.\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, Weichao Ma, Lina Zhao, Hongbo Liu","doi":"10.1002/bio.70227","DOIUrl":"https://doi.org/10.1002/bio.70227","url":null,"abstract":"<div>\u0000 \u0000 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 × 10−8 M for ciprofloxacin (CPFX) and 9.259 × 10−7 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.\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, Smaher M. Elbayomi, Abdulkadir Zakari Abdulkadir, Yuan Luo, Jiqiang Liu, Lintao Cai, Pengfei Zhang","doi":"10.1002/bio.70216","DOIUrl":"https://doi.org/10.1002/bio.70216","url":null,"abstract":"<div>\u0000 \u0000 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 Fe3+ ion detection in a “turn-on” system. The spiro-lactam ring opening upon Fe3+ 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 Fe3+ 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 Fe3+ detection, offering real-time, highly sensitive, and visually perceptible detection capabilities for environmental and analytical applications.\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