Luminescence最新文献_第10页

High Performance Lead-Free Perovskite-Based Photodetector for Low-Light Intensity Detection in Biomedical Applications 用于生物医学低光强检测的高性能无铅钙钛矿光电探测器。

IF 3 4区化学

Luminescence Pub Date : 2025-12-28 DOI: 10.1002/bio.70389

Richa Srivastava, Sudhanshu Verma, Akhilesh Kumar Chaudhary, Anupam Sahu

{"title":"High Performance Lead-Free Perovskite-Based Photodetector for Low-Light Intensity Detection in Biomedical Applications","authors":"Richa Srivastava, Sudhanshu Verma, Akhilesh Kumar Chaudhary, Anupam Sahu","doi":"10.1002/bio.70389","DOIUrl":"10.1002/bio.70389","url":null,"abstract":"<div>\u0000 \u0000 This work presents a comprehensive numerical study on a lead-free, tin-based perovskite photodetector (PPD) designed for low-light biomedical sensing applications. Using CH3NH3SnBr3 as the active absorber layer, we model a device architecture comprising FTO/CdZnS/CH3NH3SnBr3/Spiro-OMeTAD/Au, optimizing key parameters through combined SCAPS-1D and COMSOL Multiphysics simulations. We systematically investigate the influence of absorber thickness, defect density, donor doping, electric field distribution, series and shunt resistance, and interface properties to maximize optoelectronic performance. The optimized PPD achieves a peak responsivity of 0.55 A/W and a detectivity of 9.7 × 1014 Jones within the red-light spectral window (680–790 nm), demonstrating enhanced charge carrier lifetimes and effective interfacial charge extraction. These results highlight the potential of CH3NH3SnBr3 as an eco-friendly alternative to lead-based perovskites, advancing the development of high-sensitivity, low-illumination photodetectors for biomedical imaging and diagnostics.\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 12","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145851485","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

Selective Ag+ Sensing and Cellular Imaging Based on Hydrophilic Modulated Peptide Probe 基于亲水性调制肽探针的选择性Ag+传感和细胞成像。

IF 3 4区化学

Luminescence Pub Date : 2025-12-28 DOI: 10.1002/bio.70397

Shenao Li, Jieben Jiao, Shuxian Meng, Chengqing Zhao, Jiang Wu

引用次数: 0

A Single-Component Nanotheranostic Platform for Synchronous Cancer Imaging, Phototherapy, and Immune Activation 用于同步癌症成像、光疗和免疫激活的单组分纳米治疗平台。

IF 3 4区化学

Luminescence Pub Date : 2025-12-28 DOI: 10.1002/bio.70384

Jiayang Chen, Liang Mo

{"title":"A Single-Component Nanotheranostic Platform for Synchronous Cancer Imaging, Phototherapy, and Immune Activation","authors":"Jiayang Chen, Liang Mo","doi":"10.1002/bio.70384","DOIUrl":"10.1002/bio.70384","url":null,"abstract":"<div>\u0000 \u0000 We constructed a single-component nanotheranostic platform by assembling IDIC-Phc6, a photosensitizer with an acceptor–donor–acceptor structure, with DSPE-PEG-NH₂. The IDIC-Phc6 nanoparticles (NPs) synchronized the following therapeutic and diagnostic functions upon single-wavelength excitation at 635 nm: (1) high-contrast tumor imaging through strong near-infrared (NIR) fluorescence emission, (2) localized hyperthermia due to high photothermal conversion efficiency (43.5%), and (3) activation of type I/II photodynamic therapy that generates both singlet oxygen (ΦΔ = 48.7%) and superoxide anions to overcome tumor hypoxia. In vitro experiments confirmed the biocompatibility of IDIC-Phc6 NPs in the absence of photoactivation, whereas the combination of the NPs and laser irradiation induced apoptosis in tumor cells via mitochondrial membrane depolarization and triggered immunogenic cell death (ICD). Furthermore, IDIC-Phc6 NPs achieved precise tumor imaging in vivo through strong NIR fluorescence, significantly inhibited tumor growth via phototherapeutic effects, and remodeled the immune microenvironment. This single-component platform integrating theranostics, dual-modal synergistic therapy, and immune activation provides an innovative solution to overcome the barriers of the tumor microenvironment and enable clinical translation of precision phototherapy.\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 12","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145851378","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

Biogenic Luminescent Zinc Oxide Nanoparticles From Centratherum punctatum: Their Synthesis Optimization Through Box–Behnken Design and Its Antimicrobial Property and Photocatalytic Dye Degradation 马尾草发光氧化锌纳米粒子：Box-Behnken设计合成优化及其抗菌性能和光催化染料降解。

IF 3 4区化学

Luminescence Pub Date : 2025-12-28 DOI: 10.1002/bio.70394

R. Thirumalaisamy, K. S. Shalini, T. Selvankumar, M. Bhuvaneswari, M. Amrithaa, A. Aishwarya, R. Aarnika, B. Aakhil Ahamed, J. S. Anamika

{"title":"Biogenic Luminescent Zinc Oxide Nanoparticles From Centratherum punctatum: Their Synthesis Optimization Through Box–Behnken Design and Its Antimicrobial Property and Photocatalytic Dye Degradation","authors":"R. Thirumalaisamy, K. S. Shalini, T. Selvankumar, M. Bhuvaneswari, M. Amrithaa, A. Aishwarya, R. Aarnika, B. Aakhil Ahamed, J. S. Anamika","doi":"10.1002/bio.70394","DOIUrl":"10.1002/bio.70394","url":null,"abstract":"<div>\u0000 \u0000 The current study utilizes Box–Behnken design (BBD) to optimize zinc oxide (ZnO) nanoparticles biogenic synthesis from Centratherum punctatum leaf extract. The study also explores the biogenically generated zinc oxide nanoparticles from C. punctatum at optimized conditions evaluated for anti-oxidant, antimicrobial, and photocatalytic dye degradation properties. Optimized parametric conditions for zinc oxide nanoparticles from C. punctatum were zinc nitrate (50 mM), incubation time (24 h), temperature (75°C), and pH (8). Biogenic ZnO NP characterization revealed that hexagonal wurtzite morphology was 50–70 nm in size, showing characteristic absorption at 302 nm. Further, biogenically synthesized zinc oxide nanoparticles from C. punctatum screened for anti-oxidant properties using the DPPH spectrophotometric method revealed that ZnO NP possesses an equipotent IC50 value as the reference standard compared with the C. punctatum plant leaf extract IC50 value. Antimicrobial screening of ZnO NP shows its maximal zone of inhibition against clinical pathogens compared with standard tetracycline antibiotic. ZnO NP showed 94% degradation efficiency for rhodamine B dye under photocatalytic degradation condition in 100 min incubation. Biogenically synthesized ZnO nanoparticles from C. punctatum leaf extract showed excellent antimicrobial and photocatalytic dye degradation useful for both medical and environmental applications.\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 12","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-12-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145851416","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

Water-Soluble One-Pot Green Synthesis of Collagen Stabilized Copper Nanoclusters for Selective Fluorescent Turn-Off Detection of Iron(III) 水溶性一锅绿色合成胶原蛋白稳定铜纳米团簇选择性荧光关闭检测铁（III）。

IF 3 4区化学

Luminescence Pub Date : 2025-12-25 DOI: 10.1002/bio.70395

Rajanee Nakum, Lata Rana, Bigyan Ranjan Jali, Suban K. Sahoo

{"title":"Water-Soluble One-Pot Green Synthesis of Collagen Stabilized Copper Nanoclusters for Selective Fluorescent Turn-Off Detection of Iron(III)","authors":"Rajanee Nakum, Lata Rana, Bigyan Ranjan Jali, Suban K. Sahoo","doi":"10.1002/bio.70395","DOIUrl":"10.1002/bio.70395","url":null,"abstract":"<div>\u0000 \u0000 The affordable and readily available 3d metal copper with collagen as a stabilizing agent demonstrates the effective production of fluorescent copper nanoclusters. A facile one-pot green approach has been developed to obtain collagen-stabilized fluorescent copper nanoclusters (Collagen-CuNCs). The fluorescent Collagen-CuNCs were characterized by different methods, such as HR-TEM, FT-IR, XPS, UV–Vis, and fluorescence spectroscopy. The metal ions selectivity of Collagen-CuNCs was examined in an aqueous medium by adding Ca2+, Hg2+, Cd2+, Pb2+, Co2+, Ni2+, Cu2+, Zn2+, Fe3+, Cr3+, Al3+, and Fe2+ ions. Ferric ions selectively quenched the fluorescence emission of Collagen-CuNCs (λem = 480 nm), among other tested metal ions. The fluorescence quenching mechanism was investigated using Stern-Volmer analysis and time-resolved fluorescence. With a nanomolar detection limit of 0.14 nM, the developed nanoprobe Collagen-CuNCs was employed to quantify Fe3+ ions in spiked blood serum.\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 12","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145835257","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

Eco-Friendly Fluorescent Probe-Based Quantification of Ceftobiprole Medocaril: Greenness Assessment and Pharmacokinetic Study in Rats 基于环保荧光探针的头孢双prole Medocaril定量：绿色评价及大鼠药代动力学研究。

IF 3 4区化学

Luminescence Pub Date : 2025-12-23 DOI: 10.1002/bio.70393

Sherif Ramzy, Manal E. Alosaimi, Maram H. Abduljabbar, Reem M. Alnemari, Eid Alatwi, Atiah H. Almalki

{"title":"Eco-Friendly Fluorescent Probe-Based Quantification of Ceftobiprole Medocaril: Greenness Assessment and Pharmacokinetic Study in Rats","authors":"Sherif Ramzy, Manal E. Alosaimi, Maram H. Abduljabbar, Reem M. Alnemari, Eid Alatwi, Atiah H. Almalki","doi":"10.1002/bio.70393","DOIUrl":"10.1002/bio.70393","url":null,"abstract":"<div>\u0000 \u0000 A sustainable and highly sensitive spectrofluorimetric method was developed for the determination of ceftobiprole medocaril, a fifth-generation cephalosporin, in pharmaceutical dosage form and rat plasma samples. This approach utilizes carbon quantum dots functionalized through ion-pair formation with ceftobiprole and tetraphenylborate, creating a selective fluorescent probe. Quantification is based on a measurable decrease in fluorescence intensity at 450 nm following excitation at 365 nm, resulting from the interaction between the drug and the probe. Method parameters were systematically optimized and validated according to ICH guidelines, demonstrating excellent linearity (0.25–2.00 μg/mL), sensitivity (LOD = 0.07 μg/mL), and precision. The method was successfully applied to pharmacokinetic analysis in Wistar rats following a single 50-mg/kg intravenous infusion over 5 min. Pharmacokinetic parameters including Cmax (45 μg/mL), Tmax (0.25 h), half-life (3.17 h), and systemic clearance (0.45 L/h/kg) were obtained using non-compartmental analysis. Greenness evaluation using AGREE and GAPI tools confirmed the method's minimal environmental impact. The results affirm the method's applicability for routine quality control, therapeutic monitoring, and preclinical pharmacokinetic studies.\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 12","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145811899","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

Colorimetric Detection of Acid Phosphatase Using Nanoparticle CuNCs as Peroxidase Mimicking Activity 利用纳米颗粒cccs作为过氧化物酶模拟活性的比色法检测酸性磷酸酶。

IF 3 4区化学

Luminescence Pub Date : 2025-12-23 DOI: 10.1002/bio.70396

Jinhua Fu, Gengneng Lai, Fang Ke, Zhibin Zhao, Xiuzhi Xu

引用次数: 0

Nitrogen and Sulfur Codoped Carbon Dots Graphitic Carbon Nitride Composites for Fluorescence Sensing of Mercury Ions 氮硫共掺杂碳点石墨-氮化碳复合材料对汞离子的荧光传感。

IF 3 4区化学

Luminescence Pub Date : 2025-12-23 DOI: 10.1002/bio.70398

Rajesh, Raj Singh, Suman Swami, Shikha Bhogal

{"title":"Nitrogen and Sulfur Codoped Carbon Dots Graphitic Carbon Nitride Composites for Fluorescence Sensing of Mercury Ions","authors":"Rajesh, Raj Singh, Suman Swami, Shikha Bhogal","doi":"10.1002/bio.70398","DOIUrl":"10.1002/bio.70398","url":null,"abstract":"<div>\u0000 \u0000 A facile “turn-off” fluorescence sensing approach based on nitrogen and sulfur codoped carbon dots intercalated into graphitic carbon nitride (N, S-CDs@gC3N4) has been developed for the selective and sensitive detection of mercury ions (Hg2+). The sensor offers the synergistic interaction between N, S-CDs and gC3N4, where nitrogen and sulfur doping not only enhances fluorescence properties but also promotes strong Hg-S and Hg-N binding affinity. Upon interaction with Hg2+ the fluorescence of the N, S-CDs@gC3N4 composite is significantly quenched via static quenching mechanism (excitation/emission at 370/425 nm). The sensor shows a linear response to Hg2+ in the range of 1.0–7.2 μM (R2 = 0.99) with a limit of detection of 0.421 μM. The method was successfully applied to detect Hg2+ in spiked tap and canal water samples at concentrations of 1.01, 2.84, and 4.47 µM, yielding recoveries of 98.89%–99.21% (RSD: 0.74%–2.26%) for tap water and 96.76%–98.03% (RSD: 0.61%–1.59%) for canal water. These results demonstrate the potential of N, S-CDs@gC3N4 for real-time application of Hg2+.\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 12","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145811916","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

Engineering Red-Emitting Bi7Ti4NbO21:Eu3+ Phosphors for Dual Applications in Solid-State Illumination and Temperature Sensing 工程发红Bi7Ti4NbO21:Eu3+荧光粉在固态照明和温度传感中的双重应用

IF 3 4区化学

Luminescence Pub Date : 2025-12-23 DOI: 10.1002/bio.70387

Bhawna, Shailesh Narain Sharma, A. S. Rao

{"title":"Engineering Red-Emitting Bi7Ti4NbO21:Eu3+ Phosphors for Dual Applications in Solid-State Illumination and Temperature Sensing","authors":"Bhawna, Shailesh Narain Sharma, A. S. Rao","doi":"10.1002/bio.70387","DOIUrl":"https://doi.org/10.1002/bio.70387","url":null,"abstract":"<div>\u0000 \u0000 In this study, orange-red emitting Eu3+-doped Bi7Ti4NbO21 (bismuth titanium niobate) (BTN) phosphors were successfully synthesized via the conventional high-temperature solid-state reaction (SSR) method. X-ray diffraction (XRD) confirmed phase purity, with diffraction peaks closely matching the JCPDS Card No. 00-031-0202 for both undoped and Eu3+-doped samples. Scanning electron microscopy (SEM) revealed irregular, micrometer-sized particles with mild agglomeration, suitable for photonic applications. Fourier-transform infrared (FT-IR) spectroscopy identified key vibrational modes within the BTN matrix, while the band gap was estimated using Tauc's method from diffuse reflectance spectra (DRS). DRS also indicated electronic transitions attributed to Eu3+ 4f orbitals. Photoluminescence (PL) measurements under 366-nm excitation displayed strong orange-red emission, with CIE coordinates at (0.6109, 0.3885). PL decay curves followed a bi-exponential trend at 595 nm emission, and increasing Eu3+ concentration led to reduced lifetimes (τ) due to energy migration among ions. Temperature-dependent PL (TDPL) analysis showed a peak relative sensitivity of ~0.71% K−1 at 298 K, highlighting potential for optical temperature sensing. The combined structural, optical, and thermal characteristics underscore the suitability of Eu3+-doped BTN phosphors for advanced solid-state lighting, particularly in white LED and thermal sensing applications.\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 12","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-12-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145891549","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

A Fluorescent Sensor for Trivalent Metal Ions and Colorimetric Sensor for Cu2+ Based on a Novel Ferrocenyl Schiff Base Derivative 基于新型二茂铁基席夫碱衍生物的三价金属离子荧光传感器和Cu2+比色传感器。

IF 3 4区化学

Luminescence Pub Date : 2025-12-21 DOI: 10.1002/bio.70391

Zenghui Li, Yixin Xu, Wenqin Liu, Yabing Li, Yan Lin

{"title":"A Fluorescent Sensor for Trivalent Metal Ions and Colorimetric Sensor for Cu2+ Based on a Novel Ferrocenyl Schiff Base Derivative","authors":"Zenghui Li, Yixin Xu, Wenqin Liu, Yabing Li, Yan Lin","doi":"10.1002/bio.70391","DOIUrl":"10.1002/bio.70391","url":null,"abstract":"<div>\u0000 \u0000 A novel fluorescent sensor ferrocenyl salicylaldehyde Schiff base derivative SF-Fc was designed, synthesized, and characterized by nuclear magnetic resonance (NMR), high-resolution mass spectrometry (HRMS), and SC-XRD spectroscopic analyses. The sensor was highly selective to trivalent ions Al3+, Cr3+, and Fe3+ over other monovalent or divalent ions and showed fluorescence enhancement towards trivalent metal ions (Al3+, Cr3+, Fe3+) in acetonitrile (pH 6). Detection limits of probe SF-Fc for Al3+, Cr3+, and Fe3+ were 1.2 × 10−7 mol/L, 2.4 × 10−7 mol/L, and 4.9 × 10−7 mol/L, respectively. In addition, the sensor exhibited an obvious color change in the presence of Cu2+ in acetonitrile solution, indicating a direct colorimetric naked-eye detection of Cu2+ without requiring instrumental assistance. Moreover, the probe SF-Fc successfully detected trivalent metal ions in actual water samples, with satisfactory recovery rates (88.7%–108.9%) and relative standard deviation (RSD) values (0.34%–2.91%).\u0000 </div>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"40 12","pages":""},"PeriodicalIF":3.0,"publicationDate":"2025-12-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145806295","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