Journal of Fluorescence最新文献_第9页

High Luminescent Carbon Dots Derived from Fermented Beverages for Sensitive Sensing of Tartrazine in Foods. 从发酵饮料中提取的高荧光碳点用于灵敏检测食品中的酒石酸。

IF 2.6 4区化学

Journal of Fluorescence Pub Date : 2024-09-25 DOI: 10.1007/s10895-024-03944-x

Wei Yu, Yanhua Yong, Yang Liu, Ziyan Liu, Haitao Bian, Ruinan Dong

{"title":"High Luminescent Carbon Dots Derived from Fermented Beverages for Sensitive Sensing of Tartrazine in Foods.","authors":"Wei Yu, Yanhua Yong, Yang Liu, Ziyan Liu, Haitao Bian, Ruinan Dong","doi":"10.1007/s10895-024-03944-x","DOIUrl":"https://doi.org/10.1007/s10895-024-03944-x","url":null,"abstract":"Highly luminescent carbon dots (CDs) derived from fermented beverages-kvass (K-CDs) were synthesized through a one-step hydrothermal method with ethylenediamine (EDA) as a surface passivation reagent. Purified K-CDs with a fluorescent quantum yield of 35.1% were obtained after a dialysis process. The K-CDs were characterized by TEM, FT-IR, XPS, fluorescence and UV-vis spectroscopy. The results indicated that K-CDs possess typical excitation wavelength-dependent blue fluorescence emission, and the strongest excitation and emission wavelengths are 350 nm and 440 nm, respectively. The great spectral overlap between the emission peak (440 nm) of K-CDs and the absorption peak (430 nm) of tartrazine (TAR) leads to an effective fluorescence quenching phenomenon by TAR through inner filter effect (IFE) and the calculated (lg(I0/I)) showed a linear response to TAR concentration in the range of 0.1-70 µM. The detection limit of the developed method is 23 nM for TAR, and the relative standard deviation (RSD) is 3.9% (c = 10 µM, n = 7). The fluorescent sensor for TAR based on K-CDs through the IFE mechanism possesses the characteristics of rapid, sensitive, and high selectivity. It has been successfully applied to detect of trace TAR in foods.","PeriodicalId":15800,"journal":{"name":"Journal of Fluorescence","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348033","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 Carbon Nanodots (CNDs) Moderated by Flavonoid Extracts from Moringa oleifera Leaves and Co-Doped Sulfur/Nitrogen (NS - CNDs - Fla) and Their Potential for Heavy Metals Sensing Application. 用油辣木叶中的黄酮类提取物和共掺硫/氮（NS - CNDs - Fla）调制的碳纳米点（CNDs）的绿色合成及其在重金属传感方面的应用潜力。

IF 2.6 4区化学

Journal of Fluorescence Pub Date : 2024-09-25 DOI: 10.1007/s10895-024-03931-2

Sriati Wahyudi, Ivan Rizoputra, Camellia Panatarani, Ferry Faizal, Ayi Bahtiar

{"title":"Green Synthesis of Carbon Nanodots (CNDs) Moderated by Flavonoid Extracts from Moringa oleifera Leaves and Co-Doped Sulfur/Nitrogen (NS - CNDs - Fla) and Their Potential for Heavy Metals Sensing Application.","authors":"Sriati Wahyudi, Ivan Rizoputra, Camellia Panatarani, Ferry Faizal, Ayi Bahtiar","doi":"10.1007/s10895-024-03931-2","DOIUrl":"https://doi.org/10.1007/s10895-024-03931-2","url":null,"abstract":"Carbon nano dots (CNDs) has received a lot of attention in recent years due to their potential use in various kinds of applications. Many conventional chemical methods have been used to synthesis CNDs, but these processes have several drawbacks, such as hazardous by products, harsh chemicals, and high costs. To overcome these issues, green chemistry has an importance in the development of CNDs. Thus, it is essential to explore green synthesis approaches for production the CNDs. In this context, a novel precursor using flavonoid extraction from Moringa oleifera leaves is proposed. Moringa oleifera is the \"magic tree\" which contains many bioactive compounds such as flavonoids, especially in its leaves. Natural flavonoids and glycosides with specific components of structure can bind to metal ions. The content of bioactive compounds such as total flavonoids found in Moringa oleifera leaves is 172.10 mg/g. In addition, carbon (47.34%), nitrogen (51.67%), and sulfur (0.99%) are also the main composition. Then, the carbon nanodots (CNDs) synthesized in this research were moderated by flavonoid extract from Moringa oleifera using the hydrothermal method. The technique is easy, ecologically friendly, and requires neither specialized device or reagents. In practice, the CNDs produced are almost circular, with an average diameter of 3.49 nm. Furthermore, we enhanced synthesis CNDs - Fla with heteroatoms of nitrogen (N) and sulfur (S). They display a broad excitation-emission spectrum, excitation-dependent emission, and extraordinary fluorescence. Therefore, the synthesis of CNDs using flavonoids from Moringa oleifera as precursors would be a great potential candidate for the development of novel types of heavy metals sensing.","PeriodicalId":15800,"journal":{"name":"Journal of Fluorescence","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142348032","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 Novel Ethylenediamine Bridged Indole-BODIPY Schiff Base Applied for Selective Response to Fe, Cu and Al Detection. 一种新型乙二胺桥接吲哚-BODIPY 希夫碱，可用于铁、铜和铝的选择性检测。

IF 2.6 4区化学

Journal of Fluorescence Pub Date : 2024-09-23 DOI: 10.1007/s10895-024-03928-x

Shuo Wang, Jiankang Feng, Mengtong Zhang, Tiantian Chai, Guofan Jin

{"title":"A Novel Ethylenediamine Bridged Indole-BODIPY Schiff Base Applied for Selective Response to Fe, Cu and Al Detection.","authors":"Shuo Wang, Jiankang Feng, Mengtong Zhang, Tiantian Chai, Guofan Jin","doi":"10.1007/s10895-024-03928-x","DOIUrl":"https://doi.org/10.1007/s10895-024-03928-x","url":null,"abstract":"In this work, fluorescent compounds with Schiff base functional groups were obtained by using ethylenediamine bridged indole-BODIPY. The fluorescent probe Indole-ethylenediamine-BODIPY (ID-E-BP) and its performance in recognizing metal ions were investigated by UV and fluorescence spectroscopy, which showed that the fluorescent probe had a maximum absorption wavelength of 536 nm and a maximum emission wavelength of 557 nm. The fluorescent probe exhibited a fast and sensitive fluorescence quenching response effect in ethanol solution for Fe3+, Cu2+ and Al3+, and the detection limits were 0.24 µM, 0.19 µM and 0.15 µM, respectively. The ID-E-BP sensor is basically not affected by metal ions and environmental pH, and can be successfully applied to test strips and real water samples to detect metal ions. In addition, density functional theory (DFT) was calculated, and the results showed that the fluorescence probe combined with Fe3+, Cu2+ and Al3+ had a stable configuration. In summary, the sensor synthesized in this paper can be stably combined with metal ions and used to identify special metal ions.","PeriodicalId":15800,"journal":{"name":"Journal of Fluorescence","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142289004","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 Sensitive Dual-Probe Fluorescence Assay Based on an Aptamer for the Detection of Sulfasalazine. 基于色聚体的高灵敏度双探针荧光测定法，用于检测磺胺沙拉嗪。

IF 2.6 4区化学

Journal of Fluorescence Pub Date : 2024-09-20 DOI: 10.1007/s10895-024-03945-w

Yingying Lei, Hanyu Chen, Tianying Sheng, Baozhong Zhang

{"title":"Highly Sensitive Dual-Probe Fluorescence Assay Based on an Aptamer for the Detection of Sulfasalazine.","authors":"Yingying Lei, Hanyu Chen, Tianying Sheng, Baozhong Zhang","doi":"10.1007/s10895-024-03945-w","DOIUrl":"https://doi.org/10.1007/s10895-024-03945-w","url":null,"abstract":"Sulfadiazine (SD) is extensively utilized in agriculture, aquaculture, poultry, medical, and other industries. Its residues pose a threat to human health by entering the food chain and can also be released into the environment through animal feces and urine, leading to ecotoxicological pollution. Consequently, there is an urgent need to establish an efficient method for detecting SD residues in the environment. In this study, a novel two-probe fluorescence assay for determining SD in the environment, based on magnetic separation and real-time quantitative PCR-TaqMan probe technology, was successfully developed. In the experiment, SD served as the target substance, and an aptamer (Apt) with high affinity for SD was synthesized. Additionally, a non-fully complementary chain (Cdna) with favorable hybridization properties with the aptamer was designed and synthesized to create a magnetic probe of magnetic beads@Apt@Cdna. When SD was introduced, Apt specifically bound to SD with a hairpin structure and was released from the magnetic probe, allowing SD detection via the PCR-TaqMan method. Factors affecting the determination accuracy of this assay system, such as Apt concentration, SD standard solution pH, and incubation time, were optimized. Under the optimized conditions, the assay demonstrated high sensitivity for SD, with a detection limit of 2.34 × 10-5 ng/mL. Finally, the method was applied to detect SD in water samples from the Jialu River Basin in Zhengzhou City, yielding spiked recoveries of 88.82-117.05%. The results indicated that the detection system is a highly sensitive and specific method for determining SD residues in environmental water samples, showcasing its potential application in SD detection.","PeriodicalId":15800,"journal":{"name":"Journal of Fluorescence","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142289005","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

Response of Fluorescent Boron Difluoride β-Diketonates to X-Rays. 荧光二氟化硼 β-二酮酸盐对 X 射线的反应。

IF 2.6 4区化学

Journal of Fluorescence Pub Date : 2024-09-20 DOI: 10.1007/s10895-024-03934-z

Nikita S Lifanovsky, Nikita A Yablontsev, Alexandr V Belousov, Mikhail A Klimovich, Anatolii G Mirochnik, Elena V Fedorenko, Nikita A Lyubykh, Maria A Kolyvanova, Vladimir A Kuzmin, Vladimir N Morozov

{"title":"Response of Fluorescent Boron Difluoride β-Diketonates to X-Rays.","authors":"Nikita S Lifanovsky, Nikita A Yablontsev, Alexandr V Belousov, Mikhail A Klimovich, Anatolii G Mirochnik, Elena V Fedorenko, Nikita A Lyubykh, Maria A Kolyvanova, Vladimir A Kuzmin, Vladimir N Morozov","doi":"10.1007/s10895-024-03934-z","DOIUrl":"https://doi.org/10.1007/s10895-024-03934-z","url":null,"abstract":"This paper reports the results of a detailed study of the optical response of boron difluoride curcuminoids to radiation exposure. Two lines of the dyes fundamentally different in structure (namely, symmetrical and asymmetrical) were tested. If the absorption responses of their solutions in chloroform to X-rays turns out to be quite close quantitatively (note that it has a very indicative visual manifestation - a gradual discoloration is observed in the dose range up to 300 Gy), the fluorescence ones differ notably: among other things, the former demonstrate much more sensitive reactions (the corresponding limit of detection values differ by up to 2.36-fold). Nevertheless, in both parameters, these dyes generally show good linearity of the response as in classical coordinates (up to ≈ 100-150 Gy), as in semi-logarithmic ones (up to 1000 Gy). Since the main reason for such behavior seems to be the radiation-induced decomposition of the dyes, its possible scheme and corresponding \"weak links\" in the structure of the molecules (in other words, radiosensitive elements) are proposed for each case. For example, these include N(CH3)2 fragments at the ends of dimethylaminostyryl groups. It is precisely their detachment that determines the observed optical response of asymmetrical dyes. Thus, the results obtained provide some insight into the possibilities of controlling the sensitivity of organic dyes to irradiation by changing their structure.","PeriodicalId":15800,"journal":{"name":"Journal of Fluorescence","volume":null,"pages":null},"PeriodicalIF":2.6,"publicationDate":"2024-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142289006","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

Theoretical Investigations on the Sensing Mechanism of Dicyanoisophorone Fluorescent Probe for the Detection of Hydrogen Sulfide 二氰异佛尔酮荧光探针检测硫化氢的传感机制理论研究

IF 2.7 4区化学

Journal of Fluorescence Pub Date : 2024-09-19 DOI: 10.1007/s10895-024-03911-6

Zhicheng Xia, Honghong Xu, Anran Huang, Wenxuan Hao, Dongxia Wu, Shibin Yin, Haixiang He

{"title":"Theoretical Investigations on the Sensing Mechanism of Dicyanoisophorone Fluorescent Probe for the Detection of Hydrogen Sulfide","authors":"Zhicheng Xia, Honghong Xu, Anran Huang, Wenxuan Hao, Dongxia Wu, Shibin Yin, Haixiang He","doi":"10.1007/s10895-024-03911-6","DOIUrl":"https://doi.org/10.1007/s10895-024-03911-6","url":null,"abstract":"As one of the biomolecules, hydrogen sulfide (H2S) has received a lot of attention. Recent studies have shown that endogenous hydrogen sulfide plays different roles in different organs in biological systems. Fluorescent probe technology has been widely adopted due to its many advantages such as low cost, simple operation, and high sensitivity. Among many probes, dicyanoisophorone fluorophore is often used in probe design for real-time detection of endogenous H2S due to the large Stokes shift and long fluorescence emission wavelength. In this paper, the fluorescence sensing mechanism of dicyanoisophorone-like probe L and its product 3 with near-infrared fluorescence emission has been theoretically investigated by using theory methods. The analysis of infrared (IR) vibration spectra and reduced density gradient (RDG) showed that the hydrogen bond of the enolic structure of product 3 was significantly enhanced in the S1 state. The spectroscopic information revealed that the emission of NIR fluorescence originated from the keto structure of the product. Finally, potential energy curves and frontier molecular orbitals diagrams showed that the fluorescence quenching phenomenon of the probe L was attributed to the photoinduced electron transfer (PET) process, whereas the product 3 generated after the detection of H2S undergoes the excited state intramolecular proton transfer (ESIPT) process.","PeriodicalId":15800,"journal":{"name":"Journal of Fluorescence","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142264294","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

Effect of Cations on ATP Binding to the N-domain of Na+, K+-ATPase 阳离子对 ATP 与 Na+、K+-ATP 酶 N-domain 结合的影响

IF 2.7 4区化学

Journal of Fluorescence Pub Date : 2024-09-19 DOI: 10.1007/s10895-024-03922-3

Jocelin I. Ramírez-Alonso, José G. Sampedro

{"title":"Effect of Cations on ATP Binding to the N-domain of Na+, K+-ATPase","authors":"Jocelin I. Ramírez-Alonso, José G. Sampedro","doi":"10.1007/s10895-024-03922-3","DOIUrl":"https://doi.org/10.1007/s10895-024-03922-3","url":null,"abstract":"The nucleotide-binding domain (N-domain) of the Na+, K+-ATPase (NKA) is physicochemically characterized by a high content of Glu and Asp residues, resulting in a low isoelectric point (pI = 5.0). Acidic proteins are known to interact with cations. The analysis in silico revealed potential cation interaction sites in the NKA N-domain structure. The interaction with cations was tested in vitro by using a recombinant NKA N-domain. The N-domain contains two Trp residues at the protein surface, as determined by acrylamide-mediated fluorescence quenching, that are useful for structural studies through fluorescence changes. Intrinsic fluorescence of the N-domain was decreased by the presence of cations (Na+, K+, Ca2+) indicating an effect on the protein structure. ATP binding also decreased the N-domain intrinsic fluorescence, which allowed nucleotide affinity determination. In the presence of cations, the N-domain affinity for ATP was increased. Molecular docking of fluorescein isothiocyanate (FITC) with the N-domain showed two binding modes with the isothiocyanate group located 5–6 Å close to Lys485 and Lys506 in the nucleotide-binding site. The presence of ATP prevented the FITC covalent labeling of the N-domain demonstrating the competitive behavior for the binding site. It is proposed that cations interact with the N-domain structure and thereby modulate nucleotide (ATP) affinity and possibly affecting NKA catalysis.<h3 data-test=\"abstract-sub-heading\">Graphical Abstract</h3>","PeriodicalId":15800,"journal":{"name":"Journal of Fluorescence","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142264295","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 fluorometric carbon nano dots(CNDs) for selective sensing of biologically important Fe3+ and Cu2+ metal ions and evaluating their antioxidant capacity 用于选择性感测具有生物重要意义的 Fe3+ 和 Cu2+ 金属离子并评估其抗氧化能力的荧光碳纳米点（CNDs）的合成

IF 2.7 4区化学

Journal of Fluorescence Pub Date : 2024-09-17 DOI: 10.1007/s10895-024-03924-1

Komal Rajoriya, Pratibha, Abhijeet, Ramhari Meena, Anita Kumari

{"title":"Synthesis of fluorometric carbon nano dots(CNDs) for selective sensing of biologically important Fe3+ and Cu2+ metal ions and evaluating their antioxidant capacity","authors":"Komal Rajoriya, Pratibha, Abhijeet, Ramhari Meena, Anita Kumari","doi":"10.1007/s10895-024-03924-1","DOIUrl":"https://doi.org/10.1007/s10895-024-03924-1","url":null,"abstract":"In this research, CNDs were prepared by a green and cost effective method using Cinnamomum Tamala (bay leaf) as carbon sources. TEM, UV, FTIR, ZETA Potential, PL and Fluorescence methods were used to characterize the produced CNDs and the average particle size is 3.42 nm. This research was conducted on the development of fluorescent sensors for various metal ions, including Fe3+, Cu2+, Zn2+, Ni2+, Pb2+, Cr3+, Mg2+, Na+ 1 and Cd2+. The CNDs demonstrated selective sensing of biologically important Fe+ 3 and Cu+ 2 metal ions. The CNDs antioxidant assay was tasked with DPPH• radical scavenging properties. CNDs made from Cinnamomum Tamala had the highest DPPH free radical scavenging activity at 100 mg/L (42.06%) with the IC50 of 130.68 mg/L. The outcome implies that Indian spices are among the best materials for optical metal ion detection and sensing, and they also have therapeutic benefits.","PeriodicalId":15800,"journal":{"name":"Journal of Fluorescence","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142264293","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 to Red Emission Tunable Bi3+ co-doped YPO4:Eu3+: Host Emission and Phase Change 可调谐蓝光到红光发射的 Bi3+ 共掺杂 YPO4:Eu3+：宿主发射和相变

IF 2.7 4区化学

Journal of Fluorescence Pub Date : 2024-09-14 DOI: 10.1007/s10895-024-03926-z

Elizabeth Chingangbam, Ranjoy Wangkhem, N. Shanta Singh, N. Yaiphaba

引用次数: 0

Molecular Engineering for UV-Vis to NIR Absorption/Emission Bands of Pyrazine-based A-π-D- π-A Switches to Design TiO2 Tuned Dyes: DFT Insights 基于吡嗪的 A-π-D- π-A 开关的紫外可见光至近红外吸收/发射波段的分子工程，以设计 TiO2 调谐染料：DFT 见解

IF 2.7 4区化学

Journal of Fluorescence Pub Date : 2024-09-14 DOI: 10.1007/s10895-024-03891-7

Sajjad Hussain Sumrra, Abrar Ul Hassan, Wardha Zafar, Zahid Hussain Chohan, Khalid Abdullah Alrashidi

{"title":"Molecular Engineering for UV-Vis to NIR Absorption/Emission Bands of Pyrazine-based A-π-D- π-A Switches to Design TiO2 Tuned Dyes: DFT Insights","authors":"Sajjad Hussain Sumrra, Abrar Ul Hassan, Wardha Zafar, Zahid Hussain Chohan, Khalid Abdullah Alrashidi","doi":"10.1007/s10895-024-03891-7","DOIUrl":"https://doi.org/10.1007/s10895-024-03891-7","url":null,"abstract":"This study investigates the tuning of the UV-Vis/NIR absorption bands of pyrazine-based A-D-A switches for designing efficient UV retardancy over TiO2 surfaces. The electronic properties and optical characteristics of seven dyes (DP1-DP7) were analyzed using computational methods. The results indicate that the dyes possessed distinct UV-Vis/NIR absorption properties. Their absorption wavelengths ranged from 389 to 477 nm, with corresponding energies ranging from 2.59 to 3.19 eV. The major contributions to the absorption were found to be the HOMO-LUMO transitions, varying from 86 to 96%. The dyes exhibited different donor (D) and acceptor (A) groups, influencing their electronic properties and absorption characteristics. The tunable electronic and optical properties of these dyes make them promising candidates for applications requiring UV protection for TiO2-based materials. The results contribute to understand the structure-property relationships in the design of UV-Vis/NIR absorbers and provide a foundation for further experimental investigations in the field of UV retardancy.","PeriodicalId":15800,"journal":{"name":"Journal of Fluorescence","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142264016","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