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学者姓名：陈秋水
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Abstract ：
The efficient production of high-quality scintillators with long radioluminescence afterglow is crucial for high-performance X-ray luminescence extension imaging. However, scaling-up the synthesis of ligand-free scintillators to fabricate large-area X-ray imaging screens for industrial applications remains a challenge. In this study, we report an efficient method to synthesize ligand-free, lanthanide-doped microscintillators by a one-pot reaction via the concentrated hydrothermal method. The as-synthesized microscintillators exhibit prolonged persistent radioluminescence for up to 30 days after X-ray exposure and remain high stability in air or water for more than 18 months without deterioration. Monte Carlo simulations indicate that the size effect is responsible for the excellent afterglow performance of the microscintillators. We employ these high-quality lanthanide-doped microscintillators to fabricate a large-area X-ray imaging detector using a blade-coating method, a spatial resolution of 24.9 lp/mm for X-ray imaging. Our study offers a solution for scaling-up the synthesis of low-cost microscintillators for practical applications.
Keyword ：
Afterglow Afterglow Microscintillators Microscintillators NaLuF4:Tb3+ NaLuF4:Tb3+ X-ray detector X-ray detector X-ray luminescence imaging X-ray luminescence imaging
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| GB/T 7714 | Jiang, Hao , Chen, Qihao , Wang, Hongyu et al. Efficient production of ligand-free microscintillators at gram-scale for high-resolution X-ray luminescence imaging [J]. | CHINESE CHEMICAL LETTERS , 2024 , 35 (3) . |
| MLA | Jiang, Hao et al. "Efficient production of ligand-free microscintillators at gram-scale for high-resolution X-ray luminescence imaging" . | CHINESE CHEMICAL LETTERS 35 . 3 (2024) . |
| APA | Jiang, Hao , Chen, Qihao , Wang, Hongyu , Wu, Tingting , Gong, Jianwei , Zhang, Zhenzhen et al. Efficient production of ligand-free microscintillators at gram-scale for high-resolution X-ray luminescence imaging . | CHINESE CHEMICAL LETTERS , 2024 , 35 (3) . |
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Abstract ：
Long-lasting radioluminescence scintillators have recently attracted substantial attention from both research and industrial communities, primarily due to their distinctive capabilities of converting and storing X-ray energy. However, determination of energy-conversion kinetics in these nanocrystals remains unexplored. Here we present a strategy to probe and unveil energy-funneling kinetics in NaLuF4:Mn2+/Gd3+ nanocrystal sublattices through Gd3+-driven microenvironment engineering and Mn2+-mediated radioluminescence profiling. Our photophysical studies reveal effective control of energy-funneling kinetics and demonstrate the tunability of electron trap depth ranging from 0.66 to 0.96 eV, with the corresponding trap density varying between 2.38x105 and 1.34x107 cm-3. This enables controlled release of captured electrons over durations spanning from seconds to 30 days. It allows tailorable emission wavelength within the range of 520-580 nm and fine-tuning of thermally-stimulated temperature between 313-403 K. We further utilize these scintillators to fabricate high-density, large-area scintillation screens that exhibit a 6-fold improvement in X-ray sensitivity, 22 lp/mm high-resolution X-ray imaging, and a 30-day-long optical memory. This enables high-contrast imaging of injured mice through fast thermally-stimulated radioluminescence readout. These findings offer new insights into the correlation of radioluminescence dynamics with energy-funneling kinetics, thereby contributing to the advancement of high-energy nanophotonic applications. Energy-funneling kinetics in NaLuF4: Mn2+/Gd3+ nanocrystals were explored through precise microenvironment engineering within nanocrystal sublattices. The resulting tailorable radioluminescence afterglow enabled high-sensitivity, high-resolution X-ray imaging with an ultralong optical memory. image
Keyword ：
Electronic traps Electronic traps Energy funneling Energy funneling Nanocrystal scintillators Nanocrystal scintillators Radioluminescence afterglow Radioluminescence afterglow X-ray imaging X-ray imaging
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| GB/T 7714 | Wu, Qinxia , Xu, Xinqi , Li, Xiaokun et al. Probing Energy-Funneling Kinetics in Nanocrystal Sublattices for Superior X-Ray Imaging [J]. | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2024 , 63 (25) . |
| MLA | Wu, Qinxia et al. "Probing Energy-Funneling Kinetics in Nanocrystal Sublattices for Superior X-Ray Imaging" . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 63 . 25 (2024) . |
| APA | Wu, Qinxia , Xu, Xinqi , Li, Xiaokun , Jiang, Hao , Qin, Xian , Hong, Zhongzhu et al. Probing Energy-Funneling Kinetics in Nanocrystal Sublattices for Superior X-Ray Imaging . | ANGEWANDTE CHEMIE-INTERNATIONAL EDITION , 2024 , 63 (25) . |
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Photodynamic therapy (PDT) as an emerging therapeutic method has drawn much attention in the treatment field for cancer. Photosensitizer, which can convert photon energy into cytotoxic species under light irradiation, is the core component in PDT. The design of photosensitizers still faces problems of light absorption, targeting, penetration and oxygen dependence. With the rapid progress of material science, various photosensitizers have been developed to produce cytotoxic species for treatment of tumor with high selectivity, safety, and noninvasiveness. Besides, the applications of photosensitizers have been expanded to diverse cancer treatments such as drug release, optogenetics and immune checkpoint blockade. In this review, we summarize the recent advances of photosensitizers in various therapeutic methods for cancer. Prevailing challenges and further prospects associated with photosensitizers are also discussed. Explore the groundbreaking realm of cancer therapy with our comprehensive study on the mechanism and applications of photosensitizer-mediated light-controlled cancer therapy. Uncover the intricate workings and diverse applications of this innovative approach, clarify the future of targeted and controlled cancer treatment. image
Keyword ：
Drug Delivery Drug Delivery Optogenetics Optogenetics Photodynamic Therapy Photodynamic Therapy Photosensitizer Photosensitizer X-rays X-rays
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| GB/T 7714 | Chen, Minle , Zhu, Qianru , Zhang, Zhenzhen et al. Recent Advances in Photosensitizer Materials for Light-Mediated Tumor Therapy [J]. | CHEMISTRY-AN ASIAN JOURNAL , 2024 , 19 (11) . |
| MLA | Chen, Minle et al. "Recent Advances in Photosensitizer Materials for Light-Mediated Tumor Therapy" . | CHEMISTRY-AN ASIAN JOURNAL 19 . 11 (2024) . |
| APA | Chen, Minle , Zhu, Qianru , Zhang, Zhenzhen , Chen, Qiushui , Yang, Huanghao . Recent Advances in Photosensitizer Materials for Light-Mediated Tumor Therapy . | CHEMISTRY-AN ASIAN JOURNAL , 2024 , 19 (11) . |
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Low-dimensional organic-inorganic hybrid perovskites (OIHPs) have shown significant potential in the optoelectronic field due to their adjustable structure and properties. However, the poor air stability and flexibility of the OIHP crystals limit their further development. Herein, three OIHP crystals have been synthesized using cadmium chloride and the isomer of phenylenediamine as raw materials. Mn2+ doping turns on the red-light emission of Cd-based OIHPs at around 625 nm. Interestingly, the organic ligands with different steric hindrance can induce a transition of the OIHP structure from two dimensions (2D) to one dimension (1D), thereby regulating the quantum yield of red luminescence in the range of 38.4% to nearly 100%. It is found that the surface-exposed amino groups are easy to oxidize, resulting in the instability of these OIHP crystals. Therefore, poly(lactic acid) (PLA) is selected to passivate OIHPs through hydrogen bonding between C=O of PLA and -NH2 on the surface of OIHPs. As a result, the production of OIHP-based flexible films with highly efficient and stable red emission can be obtained after being encapsulated by PLA. They demonstrate enormous application potential in flexible X-ray imaging. This study not only realizes stable perovskite films but also provides an effective design idea for red flexible scintillators.
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| GB/T 7714 | Kang, Liwen , Wang, Shuaiqi , Xu, Qiaohong et al. Passivation of Organic-Inorganic Hybrid Perovskite with Poly(lactic Acid) to Achieve Stable Red-Light Flexible Films [J]. | INORGANIC CHEMISTRY , 2024 , 63 (15) : 7053-7062 . |
| MLA | Kang, Liwen et al. "Passivation of Organic-Inorganic Hybrid Perovskite with Poly(lactic Acid) to Achieve Stable Red-Light Flexible Films" . | INORGANIC CHEMISTRY 63 . 15 (2024) : 7053-7062 . |
| APA | Kang, Liwen , Wang, Shuaiqi , Xu, Qiaohong , Wu, Junyan , Wu, Yuechuan , Huang, Limei et al. Passivation of Organic-Inorganic Hybrid Perovskite with Poly(lactic Acid) to Achieve Stable Red-Light Flexible Films . | INORGANIC CHEMISTRY , 2024 , 63 (15) , 7053-7062 . |
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X射线发光是指闪烁体在X射线激发下发射出低能量光子的过程,在生物传感、医学成像、光动力治疗、光遗传等领域具有应用前景.相较于传统的紫外激发光,X射线对生物组织具有高穿透性且不会触发生物体的自荧光,可实现深组织、无背景、高灵敏的生物分析.近年来,基于纳米闪烁体的X射线发光在生物光子学领域中得到广泛研究,促进了 X射线发光在分析化学和生物医学中的应用.本文首先对闪烁体的X射线发光机理进行了概述,接着重点介绍了纳米闪烁体作为光学探针在生物分子测量与疾病治疗中的研究进展,包括生物传感、活体成像和光动力治疗等,最后讨论了该领域存在的一些挑战和可能的解决方案.
Keyword ：
X射线发光 X射线发光 光学探针 光学探针 生物分析 生物分析 纳米闪烁体 纳米闪烁体
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| GB/T 7714 | 徐新奇 , 张珍珍 , 陈小丰 et al. 基于纳米闪烁体的X射线发光生物分子测量与疾病治疗研究进展 [J]. | 化学通报（印刷版） , 2024 , 87 (9) : 1009-1019 . |
| MLA | 徐新奇 et al. "基于纳米闪烁体的X射线发光生物分子测量与疾病治疗研究进展" . | 化学通报（印刷版） 87 . 9 (2024) : 1009-1019 . |
| APA | 徐新奇 , 张珍珍 , 陈小丰 , 陈秋水 , 杨黄浩 . 基于纳米闪烁体的X射线发光生物分子测量与疾病治疗研究进展 . | 化学通报（印刷版） , 2024 , 87 (9) , 1009-1019 . |
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| GB/T 7714 | Yang, Zhijian , Xu, Qiaohong , Chen, Qiushui et al. Breaking the boundaries of biological penetration depth: X-ray luminescence in light theranostics [J]. | SCIENCE CHINA-CHEMISTRY , 2024 , 67 (4) : 1056-1059 . |
| MLA | Yang, Zhijian et al. "Breaking the boundaries of biological penetration depth: X-ray luminescence in light theranostics" . | SCIENCE CHINA-CHEMISTRY 67 . 4 (2024) : 1056-1059 . |
| APA | Yang, Zhijian , Xu, Qiaohong , Chen, Qiushui , Yang, Huanghao . Breaking the boundaries of biological penetration depth: X-ray luminescence in light theranostics . | SCIENCE CHINA-CHEMISTRY , 2024 , 67 (4) , 1056-1059 . |
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Abstract ：
The growing demands for X-ray imaging applications impose diverse and stringent requirements on advanced X-ray detectors. Among these, flexibility stands out as the most expected characteristic for next-generation X-ray detectors. Flexible X-ray detectors can spatially conform to nonflat surfaces, substantially improving the imaging resolution, reducing the X-ray exposure dosage, and enabling extended application opportunities that are hardly achievable by conventional rigid flat-panel detectors. Over the past years, indirect- and direct-conversion flexible X-ray detectors have made marvelous achievements. In particular, microscale and nanoscale engineering technologies play a pivotal role in defining the optical, electrical, and mechanical properties of flexible X-ray detectors. In this Perspective, we spotlight recent landmark advancements in flexible X-ray detectors from the aspects of micro/nano engineering strategies, which are broadly categorized into two prevailing modalities: materials-in-substrate and materials-on-substrate. We also discuss existing challenges hindering the development of flexible X-ray detectors, as well as prospective research opportunities to mitigate these issues. © 2024 American Chemical Society.
Keyword ：
Carrier concentration Carrier concentration II-VI semiconductors II-VI semiconductors Particle detectors Particle detectors Photons Photons Scintillation counters Scintillation counters Semiconductor detectors Semiconductor detectors X ray analysis X ray analysis X ray cameras X ray cameras X ray detectors X ray detectors X ray laboratories X ray laboratories
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| GB/T 7714 | Ou, Xiangyu , Hong, Zhongzhu , Wu, Qinxia et al. Micro/Nano Engineering Advances Next-Generation Flexible X-ray Detectors [J]. | ACS Nano , 2024 , 18 (40) : 27126-27137 . |
| MLA | Ou, Xiangyu et al. "Micro/Nano Engineering Advances Next-Generation Flexible X-ray Detectors" . | ACS Nano 18 . 40 (2024) : 27126-27137 . |
| APA | Ou, Xiangyu , Hong, Zhongzhu , Wu, Qinxia , Chen, Xiaofeng , Xie, Lili , Zhang, Zhenzhen et al. Micro/Nano Engineering Advances Next-Generation Flexible X-ray Detectors . | ACS Nano , 2024 , 18 (40) , 27126-27137 . |
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Abstract ：
X射线发光是指闪烁体在X射线激发下发射出低能量光子的过程，在生物传感、医学成像、光动力治疗、光遗传等领域具有应用前景。相较于传统的紫外激发光，X射线对生物组织具有高穿透性且不会触发生物体的自荧光，可实现深组织、无背景、高灵敏的生物分析。近年来，基于纳米闪烁体的X射线发光在生物光子学领域中得到广泛研究，促进了X射线发光在分析化学和生物医学中的应用。本文首先对闪烁体的X射线发光机理进行了概述，接着重点介绍了纳米闪烁体作为光学探针在生物分子测量与疾病治疗中的研究进展，包括生物传感、活体成像和光动力治疗等，最后讨论了该领域存在的一些挑战和可能的解决方案。
Keyword ：
X射线发光 X射线发光 光学探针 光学探针 生物分析 生物分析 纳米闪烁体 纳米闪烁体
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| GB/T 7714 | 徐新奇 , 张珍珍 , 陈小丰 et al. 基于纳米闪烁体的X射线发光生物分子测量与疾病治疗研究进展 [J]. | 化学通报 , 2024 , 87 (09) : 1009-1019 . |
| MLA | 徐新奇 et al. "基于纳米闪烁体的X射线发光生物分子测量与疾病治疗研究进展" . | 化学通报 87 . 09 (2024) : 1009-1019 . |
| APA | 徐新奇 , 张珍珍 , 陈小丰 , 陈秋水 , 杨黄浩 . 基于纳米闪烁体的X射线发光生物分子测量与疾病治疗研究进展 . | 化学通报 , 2024 , 87 (09) , 1009-1019 . |
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Microfluidic paper-based point-of-care assays are a highly valuable technology with many promising applications in public health and environmental monitoring. High-sensitivity detection of certain trace substances is one of the critical important considerations for practical usage of microfluidic point-of-care techniques. Over the past decade, luminescence nanoprobes have been increasingly emerged as powerful toolboxes to achieve exceptional sensitivity and low detection limits for many chemical sensors. In this Review, we provide an overview of the fundamental principles underlying paper-based microfluidic point-of-care detection. We highlight various luminescence nanoprobes, including nano-diamonds, upconversion luminescent nanoparticles, inorganic quantum dots, and carbon dots, along with their corresponding sensing mechanisms. In subsequent sections, we emphasize the requisite utilization of specialized readout equipment for the effective implementation of fluorescence detection. Moreover, we summarize key microfluidic design strategies capable of achieving enhanced precision in the detection processes. We also discuss future research directions and the main challenges to be addressed for fluorescence nanoprobes-inspired paper-based microfluidic point-of-care technology.
Keyword ：
Luminescence nanoprobes Luminescence nanoprobes Microfluidic paper-based detection Microfluidic paper-based detection Point-of-care assays Point-of-care assays Portable detector Portable detector
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| GB/T 7714 | Zhang, Yongjie , Chen, Minle , Wu, Tingting et al. Advanced luminescence nanoprobes for microfluidic paper-based point-of-care assays: A review [J]. | TRAC-TRENDS IN ANALYTICAL CHEMISTRY , 2024 , 176 . |
| MLA | Zhang, Yongjie et al. "Advanced luminescence nanoprobes for microfluidic paper-based point-of-care assays: A review" . | TRAC-TRENDS IN ANALYTICAL CHEMISTRY 176 (2024) . |
| APA | Zhang, Yongjie , Chen, Minle , Wu, Tingting , Lin, Caihou , Xie, Lili , Chen, Qiushui . Advanced luminescence nanoprobes for microfluidic paper-based point-of-care assays: A review . | TRAC-TRENDS IN ANALYTICAL CHEMISTRY , 2024 , 176 . |
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| GB/T 7714 | Wu, Qinxia , Zheng, Qianyu , He, Yu et al. Emerging Nanoagents for Medical X-ray Imaging [J]. | ANALYTICAL CHEMISTRY , 2023 , 95 (1) : 33-48 . |
| MLA | Wu, Qinxia et al. "Emerging Nanoagents for Medical X-ray Imaging" . | ANALYTICAL CHEMISTRY 95 . 1 (2023) : 33-48 . |
| APA | Wu, Qinxia , Zheng, Qianyu , He, Yu , Chen, Qiushui , Yang, Huanghao . Emerging Nanoagents for Medical X-ray Imaging . | ANALYTICAL CHEMISTRY , 2023 , 95 (1) , 33-48 . |
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