Luminescence最新文献

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Manifesting the multi-stimuli-responsive behaviour of triazole-substituted triphenylamine 体现三唑取代三苯胺的多重刺激响应特性。
IF 3.2 4区 化学
Luminescence Pub Date : 2024-08-28 DOI: 10.1002/bio.4876
Dilip Pandey, Trivedi Samarth, Laxman Sarjerao Kharabe, Anrudh Mishra, Anupam Mishra, Abhinav Raghuvanshi
{"title":"Manifesting the multi-stimuli-responsive behaviour of triazole-substituted triphenylamine","authors":"Dilip Pandey,&nbsp;Trivedi Samarth,&nbsp;Laxman Sarjerao Kharabe,&nbsp;Anrudh Mishra,&nbsp;Anupam Mishra,&nbsp;Abhinav Raghuvanshi","doi":"10.1002/bio.4876","DOIUrl":"10.1002/bio.4876","url":null,"abstract":"<p>The development of multi-stimuli-responsive (MSR) materials is a tempting yet intriguing challenge due to the absence of a defined design approach. In this study, we designed and synthesised two compounds based on triphenylamine, namely, <b>TPA-Tz1</b> and <b>TPA-Tz2</b>. The photoluminescent investigations reveal the MSR behaviour of both compounds. <b>TPA-Tz1</b> shows reversible mechanochromism with a blue-shifted emission due to changes in intermolecular interactions. Furthermore, both compounds exhibit solvatochromism in solvents of varying polarity. Detailed studies suggest that solvatochromism in <b>TPA-Tz1</b> can be attributed to twisted intramolecular charge transfer (TICT), while in <b>TPA-Tz2</b>, it is due to intramolecular charge transfer (ICT). Additionally, both compounds display acidochromic properties in solution as well as in the solid state due to the protonation of the triazole ring. All changes in emissions are corroborated through theoretical calculations. The results provide insights into the intricate interplay of molecular interactions and structural rearrangements that contribute to the compound's multifaceted responsiveness.</p>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"39 9","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142082387","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
One-pot derivatization spectrofluorimetric method for detection of aspartame in sweetener commercial tablets and soft drinks: Greenness assessments of the methodology 检测甜味剂商业片剂和软饮料中阿斯巴甜的单锅衍生化分光荧光法:方法的绿色评估。
IF 3.2 4区 化学
Luminescence Pub Date : 2024-08-28 DOI: 10.1002/bio.4882
Huda Salem AlSalem, Sara Naif Alharbi, Mona Saad Binkadem, Noha S. Katamesh, Mohamed A. Abdel-Lateef
{"title":"One-pot derivatization spectrofluorimetric method for detection of aspartame in sweetener commercial tablets and soft drinks: Greenness assessments of the methodology","authors":"Huda Salem AlSalem,&nbsp;Sara Naif Alharbi,&nbsp;Mona Saad Binkadem,&nbsp;Noha S. Katamesh,&nbsp;Mohamed A. Abdel-Lateef","doi":"10.1002/bio.4882","DOIUrl":"10.1002/bio.4882","url":null,"abstract":"<p>Aspartame is an artificial sweetener used in drinks and many foods. International Agency for Research on Cancer classified aspartame as possibly carcinogenic to humans (IARC Group 2B). In this study, a sensitive and selective spectrofluorimetric method was developed to detect aspartame. The method is based on switching on the fluorescence activity of aspartame upon its condensation with O-phthalaldehyde (Roth's reaction) in the presence of 2-mercaptoethanol. The reaction product was detected fluorometrically at <i>λ</i><sub>em</sub> of 438 nm after <i>λ</i><sub>ex</sub> of 340 nm. All reaction conditions required to yield the optimal fluorescence intensity were observed and investigated. Furthermore, the approach was validated according to ICH guidelines. Upon plotting the concentrations of aspartame against their associated fluorescence intensity values, the relationship between the two variables was linear within the range of 0.5–3.0 μg/mL. Furthermore, the method was employed to analyze the quantity of aspartame in commercial packages and soft drinks with an acceptable level of recovery. In addition, the Green Solvents Selecting Tool, Complementary Green Analytical Procedure Index, and the Analytical Greenness Metric tool were used to evaluate the sustainability and the greenness of the developed methodology.</p>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"39 9","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142082388","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
Analysis of structural defects and their influence on red-emitting γ-Al2O3:Mn4+,Mg2+ nanowires using positron annihilation spectroscopy 利用正电子湮灭光谱分析结构缺陷及其对红色发射γ-Al2O3:Mn4+,Mg2+纳米线的影响。
IF 3.2 4区 化学
Luminescence Pub Date : 2024-08-28 DOI: 10.1002/bio.4881
Pham Thi Hue, Nguyen Thi Ngoc Hue, Nguyen Van Tiep, Nguyen Vu Minh Trung, Phan Trong Phuc, La Ly Nguyen, Lo Thai Son, Le Thi Quynh Trang, Ngo Dang Trung, Nguyen Quang Hung, Luu Anh Tuyen, Nguyen Hoang Duy
{"title":"Analysis of structural defects and their influence on red-emitting γ-Al2O3:Mn4+,Mg2+ nanowires using positron annihilation spectroscopy","authors":"Pham Thi Hue,&nbsp;Nguyen Thi Ngoc Hue,&nbsp;Nguyen Van Tiep,&nbsp;Nguyen Vu Minh Trung,&nbsp;Phan Trong Phuc,&nbsp;La Ly Nguyen,&nbsp;Lo Thai Son,&nbsp;Le Thi Quynh Trang,&nbsp;Ngo Dang Trung,&nbsp;Nguyen Quang Hung,&nbsp;Luu Anh Tuyen,&nbsp;Nguyen Hoang Duy","doi":"10.1002/bio.4881","DOIUrl":"10.1002/bio.4881","url":null,"abstract":"<p>The present paper reported on the analysis of structural defects and their influence on the red-emitting γ-Al<sub>2</sub>O<sub>3</sub>:Mn<sup>4+</sup>,Mg<sup>2+</sup> nanowires using positron annihilation spectroscopy (PAS). The nanowires were synthesized by hydrothermal method and low-temperature post-treatment using glucose as a reducing agent. X-ray diffraction (XRD), scanning electron microscopy (SEM), photoluminescence (PL), and photoluminescence excitation (PLE) were utilized, respectively, for determining the structural phase, morphology and red-emitting intensity in studied samples. Three PAS experiments, namely, positron annihilation lifetime (PAL), Doppler broadening (DB), and electron momentum distribution (EMD), were simultaneously performed to investigate the formations of structural defects in synthesized materials. Obtained results indicated that the doping concentration of 0.06% was optimal for the substitution of Mn<sup>4+</sup> and Mg<sup>2+</sup> to two Al<sup>3+</sup> sites and the formation of oxygen vacancy (V<sub>O</sub>)-rich vacancy clusters (2V<sub>Al</sub> + 3V<sub>O</sub>) and large voids (~0.7 nm) with less Al atoms. Those characteristics reduced the energy transfer between Mn<sup>4+</sup> ions, thus consequently enhanced the PL and PLE intensities. Moreover, this optimal doping concentration also effectively controlled the size of nanopores (~2.18 nm); hence, it is expected to maintain the high thermal conductivity of γ-Al<sub>2</sub>O<sub>3</sub> nanowire-phosphor. The present study, therefore, demonstrated a potential application of γ-Al<sub>2</sub>O<sub>3</sub> nanowire-phosphor in fabricating the high-performance optoelectronic devices.</p>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"39 9","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142082383","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
Cu-W bimetallic nanoparticles decorated g-C3N4 sheets: Facile construction and characterization for perception of dopamine in sensing application Cu-W双金属纳米粒子装饰g-C3N4薄片:用于多巴胺传感应用的简易构建和表征。
IF 3.2 4区 化学
Luminescence Pub Date : 2024-08-28 DOI: 10.1002/bio.4873
Selvam Arulraj, Sheik Muhideen Badhusha Mohammad Yusuff, Muthuchudarkodi Rajaram, Hesham Saleh Almoallim, Hossam Mohammed Aljawdah, Murugan Alwarkurichi Munusamy, Samer Hasan Hussein-Al-Ali, Qais Abualassal, Zead Helmi Abudayeh
{"title":"Cu-W bimetallic nanoparticles decorated g-C3N4 sheets: Facile construction and characterization for perception of dopamine in sensing application","authors":"Selvam Arulraj,&nbsp;Sheik Muhideen Badhusha Mohammad Yusuff,&nbsp;Muthuchudarkodi Rajaram,&nbsp;Hesham Saleh Almoallim,&nbsp;Hossam Mohammed Aljawdah,&nbsp;Murugan Alwarkurichi Munusamy,&nbsp;Samer Hasan Hussein-Al-Ali,&nbsp;Qais Abualassal,&nbsp;Zead Helmi Abudayeh","doi":"10.1002/bio.4873","DOIUrl":"10.1002/bio.4873","url":null,"abstract":"<p>In this study, we present the development and analysis of electrochemical sensors utilizing graphitic carbon nitride copper-tungsten nanoparticles (g-C<sub>3</sub>N<sub>4</sub> @Cu-W Nps) capped with various cationic surfactants of differing chain lengths and counter ions. The fabricated nanoparticles underwent thorough characterization to assess their morphological, structural, and compositional attributes, revealing their uniformity, spherical morphology, and monoclinic crystal phases. Subsequently, these nanoparticles were employed in the fabrication of electrochemical sensors for hydrazine detection. A comprehensive comparison of the electrochemical responses, evaluated via cyclic voltammetry, was conducted between sensors utilizing bare nanoparticles and those capped with surfactants.</p>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"39 9","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142082384","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 aqueous micellar systems enhancement tools for a sensitive spectrofluorimetric determination of anti-TB: Rifampicin 研究用于灵敏光谱荧光测定抗结核药物利福平的水性胶束系统增强工具。
IF 3.2 4区 化学
Luminescence Pub Date : 2024-08-28 DOI: 10.1002/bio.4877
Heba Abd El-Aziz, Heba Samir Elama
{"title":"Investigating aqueous micellar systems enhancement tools for a sensitive spectrofluorimetric determination of anti-TB: Rifampicin","authors":"Heba Abd El-Aziz,&nbsp;Heba Samir Elama","doi":"10.1002/bio.4877","DOIUrl":"10.1002/bio.4877","url":null,"abstract":"<p>Rifampicin is a frontline antibiotic in the management of tuberculosis. Since no spectrofluorimetric methods are reported for this drug, this approach was challenged to craft a sensitive, reliable, valid, fast, and green methodology. In recent years, fluorescence spectroscopy has received a lot of interest. Its benefits include ecological greenness and analytical performance. The pharmaceutical industries greatly like this approach because of its low energy and decreased solvent usage, which make it both economical and environmentally friendly. This methodology was based on utilizing the enhanced native fluorescence of the rifampicin at 341 nm after excitation at 241 nm in a beta-cyclodextrin micellar system. Modern developments in analytical chemistry have been applied to reduce risks to the workplace and environment by using distilled water as a dilution solvent for method application and optimization. The method was found excellent green with 97 eco-scale and 0.86 AGREE scores besides an 89.6 overall whiteness score. The range of linearity for rifampicin raw material was 0.2–1.5 μg·mL<sup>−1</sup>, and the average recoveries for raw material and spiked plasma were 100.15% and 99.64%, respectively. The suggested technique worked well for the commercial oral syrup of Rimactane® and did not conflict with any common additives.</p>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"39 9","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142082385","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
Luminescent TiO2 nanoparticles synthesized from Mollugo Oppositifolia and Trianthema Portulacastrum for dye degradation, antimicrobial and antioxidant properties 从 Mollugo Oppositifolia 和 Trianthema Portulacastrum 中合成的发光 TiO2 纳米粒子的染料降解、抗菌和抗氧化性能。
IF 3.2 4区 化学
Luminescence Pub Date : 2024-08-27 DOI: 10.1002/bio.4847
Natarajan Sampathkumar, Aanthaparavasar Swetharanyam, Velusamy Arul, Seenan Jayakumar, Velankadu Natrayan Mutharaian, Sandhanasamy Devanesan, R. Mythili, Athinarayanan Balasankar, Sherlin Nivetha
{"title":"Luminescent TiO2 nanoparticles synthesized from Mollugo Oppositifolia and Trianthema Portulacastrum for dye degradation, antimicrobial and antioxidant properties","authors":"Natarajan Sampathkumar,&nbsp;Aanthaparavasar Swetharanyam,&nbsp;Velusamy Arul,&nbsp;Seenan Jayakumar,&nbsp;Velankadu Natrayan Mutharaian,&nbsp;Sandhanasamy Devanesan,&nbsp;R. Mythili,&nbsp;Athinarayanan Balasankar,&nbsp;Sherlin Nivetha","doi":"10.1002/bio.4847","DOIUrl":"10.1002/bio.4847","url":null,"abstract":"<p>In modern times, nanoparticles have materialized as indispensable things in contemporary medicine, with a variety of uses in clinical, drug and gene conveyance. In the present study, TiO<sub>2</sub> nanoparticles (NPs) prepared from the leaf extracts of <i>Mollugooppositifolia</i> and <i>Trianthema portulacastrum</i> were compared with the chemical TiO<sub>2</sub>-NPs for antibacterial and antioxidant activities and environment-friendly nature through various tools like the UV-visible, X-ray diffraction with the aid of other analytical techniques like HR-TEM, Fourier transform infrared (FT-IR) and photoluminescence spectroscopic techniques. The morphology of green TiO<sub>2</sub>-NPs is found to be spherical, which is supported by HR-TEM images. FT-IR analyses and X-ray diffraction data ensure that the polycrystalline characters of TiO<sub>2</sub>-NPs alike to the presence of metal oxide. TiO<sub>2</sub>-NPs showed a possible photocatalytic activity for the ruin of acid black 1 dye after disclosure to sunlight. The chemical and green methods of TiO<sub>2</sub>-NPs have acid black 1 dye decomposition rates of 86.66% and 94.33%, respectively. The synthesized TiO<sub>2</sub>-NPs are also assessed for antimicrobial and antioxidant activities. Green TiO<sub>2</sub>-NPs exhibit antibacterial activity against <i>Pseudomonas aeruginosa</i> (17 + 0.56 mm) and <i>Staphylococcus aureus</i> (16 + 0.24 mm) at concentrations as low as 100 μL. The green TiO<sub>2</sub>-NPs showed high inhibition of DPPH I radical (50 μg/m) at 95.17 ± 21. Therefore, TiO<sub>2</sub>-NPs represent eco-friendly properties that aid in the degradation of dyes due to their antioxidant activity.</p>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"39 8","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-08-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142082382","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
Room temperature luminescence of 1,N2-etheno-2-aminopurine in poly (vinyl alcohol) films 聚乙烯醇薄膜中 1,N2-乙烯-2-氨基嘌呤的室温发光。
IF 3.2 4区 化学
Luminescence Pub Date : 2024-08-19 DOI: 10.1002/bio.4865
Beata Wielgus-Kutrowska, Jacek Wierzchowski, Alicja Stachelska-Wierzchowska, Joanna Krasowska, Bong Lee, Danh Pham, Emma Alexander, Rajveer Sagoo, Zygmunt Gryczynski, Ignacy Gryczynski
{"title":"Room temperature luminescence of 1,N2-etheno-2-aminopurine in poly (vinyl alcohol) films","authors":"Beata Wielgus-Kutrowska,&nbsp;Jacek Wierzchowski,&nbsp;Alicja Stachelska-Wierzchowska,&nbsp;Joanna Krasowska,&nbsp;Bong Lee,&nbsp;Danh Pham,&nbsp;Emma Alexander,&nbsp;Rajveer Sagoo,&nbsp;Zygmunt Gryczynski,&nbsp;Ignacy Gryczynski","doi":"10.1002/bio.4865","DOIUrl":"10.1002/bio.4865","url":null,"abstract":"<p>We studied spectral properties of 1,N<sup>2</sup>-etheno-2-aminopurine after immobilization in poly (vinyl alcohol) films. The absorption spectrum of 1,N<sup>2</sup>-ε2APu consists of two peaks centered at 300 and 370 nm, and the fluorescence spectrum has maximum at about 460 nm. The fluorescence quantum efficiency is 62%. The fluorescence anisotropy reaches a value of 0.3 at longer wavelengths, while it is low at shorter wavelengths (corresponding to the second single excited state). The 1,N<sup>2</sup>-ε2APu has a relatively long fluorescence lifetime of about 16 ns and a noticeable room temperature phosphorescence with a lifetime of about 220 ms. A broad phosphorescence emission band (425–675 nm) is centered at about 530 nm and markedly overlaps with fluorescence at shorter wavelengths. Surprisingly, the phosphorescence excitation spectrum of 1,N<sup>2</sup>-ε2APu-doped poly (vinyl alcohol) film differs from the absorption and fluorescence excitation spectra. The strongest room temperature phosphorescence excitation is about 335 nm. At longer excitation wavelengths, above 450 nm, where fluorescence cannot be excited, a triplet excitation is still possible. The 1,N<sup>2</sup>-ε2APu phosphorescence anisotropy spectra confirm direct triplet state excitation. The ability to excite molecules at long wavelengths can find applications in the study of biological molecules that are unstable when excited at high energies.</p>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"39 8","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-08-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/bio.4865","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142005627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A review on green synthesis, biological applications of carbon dots in the field of drug delivery, biosensors, and bioimaging 综述了碳点的绿色合成以及在药物输送、生物传感器和生物成像领域的生物应用。
IF 3.2 4区 化学
Luminescence Pub Date : 2024-08-18 DOI: 10.1002/bio.4870
Arshdeep Chopra, Yogindra Kumari, Ajay Pal Singh, Yash Sharma
{"title":"A review on green synthesis, biological applications of carbon dots in the field of drug delivery, biosensors, and bioimaging","authors":"Arshdeep Chopra,&nbsp;Yogindra Kumari,&nbsp;Ajay Pal Singh,&nbsp;Yash Sharma","doi":"10.1002/bio.4870","DOIUrl":"10.1002/bio.4870","url":null,"abstract":"<p>Since the beginning of nanoscience and nanotechnology, carbon dots (CDs) have been the foundational idea and have dominated the growth of the nano-field. CDs are an intriguing platform for utilization in biology, technology, catalysis, and other fields thanks to their numerous distinctive structural, physicochemical, and photochemical characteristics. Since several carbon dots have already been created, they have been assessed based on their synthesis process, and luminescence characteristics. Due to their biocompatibility, less toxic effects, and most significantly their fluorescent features in contrast to other carbon nanostructures, CDs have several benefits. This review focuses on the most recent advancements in the characterization, applications, and synthesis techniques used for CDs made from natural sources. It will also direct scientists in the creation of a synthesis technique for adjustable carbon dots that is more practical, effective, and environmentally benign. With low toxicity and low cost, CDs are meeting the new era's requirements for more selectivity and sensitivity in the detection and sensing of various things, such as biomaterial sensing, enzymes, chemical contamination, and temperature sensing. Its variety of properties, such as optical properties, chemiluminescence, and morphological analysis, make it a good option to use in bioimaging, drug delivery, biosensors, and cancer diagnosis.</p>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"39 8","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-08-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142001137","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
Biosynthesis of copper nanoclusters for fluorescence detection of bilirubin in biofluids 生物合成用于荧光检测生物液体中胆红素的纳米铜簇
IF 3.2 4区 化学
Luminescence Pub Date : 2024-08-17 DOI: 10.1002/bio.4866
Kousalya Molatrati, Shraddha Borse, Subhadeep Ghosh, Sanjay Jha, Z. V. P. Murthy, Suresh Kumar Kailasa, Tae Jung Park
{"title":"Biosynthesis of copper nanoclusters for fluorescence detection of bilirubin in biofluids","authors":"Kousalya Molatrati,&nbsp;Shraddha Borse,&nbsp;Subhadeep Ghosh,&nbsp;Sanjay Jha,&nbsp;Z. V. P. Murthy,&nbsp;Suresh Kumar Kailasa,&nbsp;Tae Jung Park","doi":"10.1002/bio.4866","DOIUrl":"https://doi.org/10.1002/bio.4866","url":null,"abstract":"<p>Copper nanoclusters (Cu NCs) have shown significant attention in sensing of molecular and ionic species. In this work, a single-step biosynthetic approach was introduced for the preparation of fluorescent Cu NCs using <i>Holarrhena pubescens</i> (<i>H. pubescens</i>) leaves extract as a template. The synthesized <i>H. pubescens</i>–Cu NCs act as a nanomolecular probe for the detection of bilirubin in biofluids. The synthesized <i>H. pubescens</i>–Cu NCs displayed highest fluorescence intensity at 454 nm, when excited at 330 nm. Importantly, selective detection of bilirubin was obtained by introducing <i>H. pubescens</i>–Cu NCs as a simple molecular probe. The interaction of bilirubin and <i>H. pubescens</i>–Cu NCs resulted in a remarkable decrease in the emission peak intensity. The developed <i>H. pubescens</i>–Cu NCs-based bilirubin molecular probe has a wide linear range of 0.5–20.00 μM with the limit of detection of 30.54 nM for bilirubin. The promising application of <i>H. pubescens</i>–Cu NCs-based molecular probe was assessed by assaying bilirubin in spiked biofluids.</p>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"39 8","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141994321","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
Luminescence performance and antioxidant properties of selenium carbon dots prepared from selenium-hyperaccumulating plants 用硒超积累植物制备的硒碳点的发光性能和抗氧化特性
IF 3.2 4区 化学
Luminescence Pub Date : 2024-08-17 DOI: 10.1002/bio.4867
Jingwen Cui, Yuwei Yang, Yashuai Zhang, Xu Yang, Yu Liu, Jianfeng Tan, Shaowei Wu, Zhuo Liu
{"title":"Luminescence performance and antioxidant properties of selenium carbon dots prepared from selenium-hyperaccumulating plants","authors":"Jingwen Cui,&nbsp;Yuwei Yang,&nbsp;Yashuai Zhang,&nbsp;Xu Yang,&nbsp;Yu Liu,&nbsp;Jianfeng Tan,&nbsp;Shaowei Wu,&nbsp;Zhuo Liu","doi":"10.1002/bio.4867","DOIUrl":"https://doi.org/10.1002/bio.4867","url":null,"abstract":"<p>Heteroatom doping has become an important method to enhance the performance of traditional carbon dots in modern times. Selenium (Se) is a nonmetallic trace element with excellent redox properties and is therefore essential for health. Previous studies have mainly used pure chemicals as selenium sources to prepare selenium-doped carbon dots (Se-CDs), but the precursor pure chemicals have the disadvantages of being expensive, difficult to obtain, toxic, and having low fluorescence yields of the synthesised Se-CDs. Fortunately, our team achieved successful synthesis of selenium carbon dots, exhibiting excellent luminescence and biocompatibility through a one-step hydrothermal method using selenium-enriched natural plant Cardamine, as an alternative to selenium chemicals. This approach aims to address the limitations and high costs associated with Se-CDs precursors. Electron spin resonance spectroscopy (ESR) and cellular antioxidant tests have confirmed the protective ability of Se-CDs against oxidative damage induced by excessive reactive oxygen species (ROS). A new concept and method for synthesizing selenium carbon dots on the basis of biomass, a rationale for the antioxidant effects on human health, and a wide range of development and application possibilities were offered in this work.</p>","PeriodicalId":49902,"journal":{"name":"Luminescence","volume":"39 8","pages":""},"PeriodicalIF":3.2,"publicationDate":"2024-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141994322","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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