Article
Engineering, Electrical & Electronic
Hu Chen, Jun Chen
Summary: The heterojunction photodetector based on PbS quantum dots and graphene combines their respective advantages and improves the performance of the photodetector. By optimizing the device structure and using ligand replacement method, the detector achieves high responsivity and detection rate. This work is of great significance for the manufacturing and research of high-performance and low-cost photodetectors.
SENSORS AND ACTUATORS A-PHYSICAL
(2022)
Article
Chemistry, Physical
Qi-Yu Liang, Chong Wang, Hong -Wei Li, De-Yan Qi, Yuqing Wu
Summary: In this study, thiolactic acid capped gold nanoclusters (AuNCs@TLA) with Near-infrared (NIR) emission at 800 nm were prepared using an improved hydrothermal method. The presence of NaOH was found to be crucial in determining the photoluminescence properties of the product, as it adjusted the pH value and reduced the potential of HAuCl4. Transmission electron microscopy (TEM) revealed an average particle size of 1.75 +/- 0.38 nm for the nanoclusters, with a ratio of Au(0) to Au(I) in the gold core of about 4:6. Electrospray ionization mass spectrometry (ESI-MS) analysis indicated that the nanoclusters mainly consisted of Au38TLA48 and Au42TLA41. The NIR emission of AuNCs@TLA was attributed to the unique ligand structure, high thiolate-to-Au ratio, and relatively large core size. Furthermore, the NIR emission of AuNCs@TLA was enhanced by 3-fold upon binding with BSA, due to the assembly-induced emission enhancement (AIEE) effect, which restricted the intermolecular motions of the surface ligands and minimized non-radiative decay. This strategy of AIEE was also effective with other available proteins, demonstrating its excellent generalizability.
JOURNAL OF MOLECULAR LIQUIDS
(2023)
Article
Chemistry, Analytical
Mingyuan Xu, Yinghao Cui, Tao Zhang, Mengxue Lu, Yongqiang Yu
Summary: In this work, a Si micro-hole array/Graphene (Si MHA/Gr) van der Waals (vdW) Schottky NIR photodiode with a PbS quantum dot (QD) coating was designed and fabricated. The device showed a unique self-filtered NIR response, with a responsivity of 0.7 A/W at 1 V and a response speed of 61 μs, surpassing previous Si/Gr Schottky photodiodes. The high responsivity of the vdW photodiode could be attributed to the light trapping of the Si MHA and PbS QD coating. Additionally, this NIR photodiode demonstrated potential for real-time heart rate monitoring in photoplethysmography, providing accurate results comparable to patient monitors.
Article
Engineering, Electrical & Electronic
Shan Zhang, Guanglin Zhang, Li Zheng, Zhongyu Liu, Bingkun Wang, Huijuan Wu, Zhengyi He, Zhiwen Jin, Gang Wang
Summary: Achieving breakthroughs in high-performance near-infrared photodetectors relies on material selection and device structure design. This study demonstrates the synergistic effect of three-dimensional graphene and PbS quantum dots in the design of the photodetector structure, achieved by in-situ growth of 3D-graphene on silicon substrate and modification of PbS QDs on the 3D-graphene surface. The resulting NIR photodetector exhibits high detectivity and responsivity.
IEEE ELECTRON DEVICE LETTERS
(2023)
Article
Optics
Qiaoyun Yin, Wenchao Zhang, Yao Zhou, Ruzhi Wang, Zhiyong Zhao, Chao Liu
Summary: By increasing the sulfur to lead molar ratio, the photoluminescence quantum yield of PbS quantum dots embedded glasses can be improved, making it promising for near-infrared light generation. By integrating it with LED chips, high-performance and broadband near-infrared LEDs can be realized.
JOURNAL OF LUMINESCENCE
(2022)
Article
Engineering, Electrical & Electronic
Shilin Liu, Shikai Yan, Zhuoya Zhu, Zhiwei Zhao, Elias Emeka Elemike, Damian C. Onwudiwe, Byung Seong Bae, Suhaidi Bin Shafie, Wei Lei, Qing Li
Summary: PbS quantum dots were successfully embedded in the MAPbCl(0.5)Br(2.5) single crystal, resulting in a composite crystal with improved photo response in the visible to near-infrared region.
JOURNAL OF THE SOCIETY FOR INFORMATION DISPLAY
(2022)
Article
Chemistry, Physical
Junying Zheng, Jian Cao, Yajing Tu, Cuiping Huang, Mingming Liu, Meijuan Zhang
Summary: A novel near-infrared fluorescence dye NAPTAM has been developed as a water-soluble biological probe, showing highly sensitive turn-on response to BSA with good selectivity and detection limit, suitable for near-infrared spectroscopy.
JOURNAL OF MOLECULAR STRUCTURE
(2022)
Review
Chemistry, Multidisciplinary
Caiping Ding, Youju Huang, Zheyu Shen, Xiaoyuan Chen
Summary: NIR Ag2S QDs, known for their excellent NIR fluorescence properties and biocompatibility, have emerged as a promising tool for biosensing, bioimaging, and theranostics applications.
ADVANCED MATERIALS
(2021)
Review
Nanoscience & Nanotechnology
Gomaa Mohamed Gomaa Khalaf, Mingyu Li, Jun Yan, Xinzhao Zhao, Tianjun Ma, Hsien-Yi Hsu, Haisheng Song
Summary: This review focuses on defect information and passivation strategies in large-sized lead sulfide quantum dot solar cells. The study examines defects during quantum dot synthesis, as well as ligand-exchange-related defects and surface/interface defects resulting from solar cell fabrication. Strategies including cation exchange, thermodynamic growth, kinetic growth, and mixed halide ligands are summarized. Post-treatment approaches are also discussed. Effective passivation strategies are crucial for large-sized lead sulfide quantum dots to be used in infrared solar cells.
Article
Chemistry, Analytical
Hefu Zhong, Libin Tang, Pin Tian, Lijing Yu, Wenbin Zuo, Kar Seng Teng
Summary: In this paper, a high-performance ZnO/PbS heterojunction photodetector was fabricated by spin-coating PbS CQDs onto the surface of a hydrothermally grown vertical array of ZnO nanowires (NWs) on an indium tin oxide (ITO) substrate. Under 940 nm near-infrared light illumination, the device demonstrated a responsivity and detectivity of approximately 3.9 x 10(4) A/W and approximately 9.4 x 10(13) Jones, respectively. The excellent performances and low cost of this nanocomposite-based photodetector show that it has the potential for widespread applications ranging from medical diagnosis to environmental monitoring.
Article
Chemistry, Analytical
Nafisur Rahman, Nabila Khalil
Summary: Circular dichroism (CD) based spectroscopic methods and fluorescence-based method were developed for the assay of sulfasalazine (SZ) in pharmaceutical formulation and in biological sample. The proposed methods using bovine serum albumin (BSA) and human serum albumin (HSA) are simple and selective for SZ determination.
MICROCHEMICAL JOURNAL
(2023)
Article
Chemistry, Multidisciplinary
Dharaben J. Joshi, Naved I. Malek, Suresh Kumar Kailasa
Summary: In this study, molybdenum oxide quantum dots (BSA-MoOx QDs) were synthesized using bovine serum albumin as a ligand through a simple method. The synthesized BSA-MoOx QDs exhibited stable fluorescence properties and emitted blue light when exposed to a UV lamp at 365 nm. The thickness of the BSA layer on the surface of MoOx QDs was measured to be 3.9 +/- 1.6 nm using atomic force microscopy. The as-synthesized BSA-MoOx QDs served as sensors for the detection of digoxin, La3+, and epinephrine, showing linear ranges and low detection limits for each analyte. This method proved to be an effective analytical platform for measuring digoxin and epinephrine in pharmaceutical and biofluid samples.
MATERIALS TODAY CHEMISTRY
(2023)
Article
Engineering, Electrical & Electronic
Junfan Wang, Jun Chen
Summary: In this article, PbS quantum dots/graphene/Si near-infrared photodetectors were investigated. The device performance was improved by optimizing the material structure and fabrication method, contributing to the study of related photodetectors.
IEEE TRANSACTIONS ON NANOTECHNOLOGY
(2023)
Article
Chemistry, Analytical
Mohammed Ali Al-Duais, Zuhair M. Mohammedsaleh, Hamza S. Al-Shehri, Yahya S. Al-Awthan, Suhair A. Bani-Atta, Ali A. Keshk, Syed Khalid Mustafa, Adel D. Althaqafy, Jozaa N. Al-Tweher, Hatem A. Al-Aoh, Chellasamy Panneerselvam
Summary: In this study, an improved class of protein functionalized fluorescence MXene quantum dots (MXene QDs) was prepared using a hydrothermal method. The BSA-functionalized MXene QDs exhibited excellent photophysical properties and stability, and showed selective fluorescence quenching ability towards Fe3+ ions.
Article
Chemistry, Physical
Liping Luo, Heng Huang, Pengyu Feng, Congyi Pan, Fantai Kong, Lanlan Zhai
Summary: The study synthesized high-quality AgInSe2 QDs using selenium dioxide as the selenium source, achieving gradient compositions by controlling the relative feeding ratio of Ag/In precursors. The QDs showed a broader spectral response and longer fluorescence lifetime, enhancing their photoelectric performance.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2021)
Article
Chemistry, Analytical
Hongmei Li, Ruirui Xie, Cong Huang, Jiaqi He, Peipei Yang, Jia Tao, Bingquan Lin, Peng Zhao
SENSORS AND ACTUATORS B-CHEMICAL
(2020)
Article
Electrochemistry
Yanyan Liu, Ruirui Xie, Xun Zou, Jiamin Liu, Zhiyong Wu, Chang Peng, Peng Zhao
Summary: N, P co-doped reduce graphene oxide was prepared using a one-pot solution method and characterized. The material showed excellent conductivity and electrocatalytic activity for hydroquinone and catechol. The sensor demonstrated high selectivity, stability, reproducibility, and successful application potential for simultaneous determination of HQ and CC.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2021)
Article
Chemistry, Physical
Jiaqi He, Guoqin Chen, Peng Zhao, Caiwen Ou
Summary: A smart synergetic delivery system using black phosphorus hybrid polypeptides hydrogel loaded with bufalin achieved NIR-controllable drug release, reducing side effects of bufalin and efficiently eliminating tumors in vivo with good biosafety and biocompatibility.
Article
Chemistry, Multidisciplinary
Peipei Yang, Jia Tao, Fengfeng Chen, Yuying Chen, Jiaqi He, Kui Shen, Peng Zhao, Yingwei Li
Summary: Nanozyme-based chemodynamic therapy (CDT) has emerged as an effective cancer treatment with low side effects and without the requirement of exogenous energy. Constructing a single kind of catalyst with multiple functions for enhanced CDT is still a challenge, but this study successfully synthesized seven types of bimetallic nanoparticles using a metal-organic framework, showing promising activity.
Article
Chemistry, Analytical
Ruirui Xie, Peipei Yang, Jiamin Liu, Xun Zou, Yilin Tan, Xuefeng Wang, Jia Tao, Peng Zhao
Summary: Antibiotics have greatly improved human health and quality of life, but their abuse has serious consequences for the environment and human health. A ratiometric fluorescent sensor array based on metal-organic frameworks was developed for the simultaneous identification and accurate determination of multiple antibiotics in water, successfully distinguishing 48 unknown antibiotic samples with high accuracy and outstanding quantitative ability.
Article
Chemistry, Analytical
Qingfan Ren, Peipei Yang, Jiamin Liu, Yuying Chen, Sixue Ouyang, Ying Zeng, Peng Zhao, Jia Tao
Summary: A new imine-linked COF with suitable coordination sites for Tb3+ was constructed for efficient chemical sensing, showing excellent ability to determine ciprofloxacin.
ANALYTICA CHIMICA ACTA
(2021)
Article
Chemistry, Multidisciplinary
Jiaqi He, Tingling Zhuo, Yintong Teng, Guoqin Chen, Peng Zhao, Caiwen Ou
Summary: A cascade catalytic system of cholesterol is developed using cholesterol oxidase (ChOx) and PdCuAu nanoparticles encapsulated into zeolitic imidazolate framework-L (ChOx/PCA@ZIF-L). The ZIF-L carrier enhances the catalytic activity of enzymes and allows for convenient and sensitive detection of serum cholesterol. This study provides a new approach for the design of point-of-care testing devices for cholesterol monitoring.
CHINESE CHEMICAL LETTERS
(2023)
Article
Electrochemistry
Xun Zou, Yuying Chen, Xiangfei Song, Mingyan Sun, Zhiyuan Zheng, Peiru Lin, Jia Tao, Peng Zhao
Summary: In this paper, cobalt-modified nitrogen doping carbon aerogels (Co-NCA) with three dimensional pores were synthesized and used as electrode modifiers for dopamine detection. The Co-NCA modified electrode showed larger electrochemically active area, wider linear range, and lower detection limit. Additionally, the electrode exhibited good repeatability and stability.
JOURNAL OF THE ELECTROCHEMICAL SOCIETY
(2022)
Article
Chemistry, Multidisciplinary
Cong Huang, Bingquan Lin, Chuyao Chen, Huaiming Wang, Xiaosheng Lin, Jiamin Liu, Qingfan Ren, Jia Tao, Peng Zhao, Yikai Xu
Summary: This study proposes a two-way enhancement of immunogenic cell death (ICD) using a CaO2@CuS-MnO2@HA (CCMH) nanocomposite. The study found that CCMH with NIR irradiation can generate sufficient damage-associated molecular patterns (DAMPs), reprogram the immunosuppressive tumor microenvironment, and activate antitumor immunity.
ADVANCED MATERIALS
(2022)
Article
Chemistry, Analytical
Yuying Chen, Peiru Lin, Xun Zou, Lina Liu, Sixue Ouyang, Huiting Chen, Qingfan Ren, Ying Zeng, Peng Zhao, Jia Tao
Summary: A machine-learning-aided sensor array has been successfully developed for accurate discrimination and determination of steroid hormones. This study provides a low-cost and quick analysis strategy for the field of cosmetic safety.
SENSORS AND ACTUATORS B-CHEMICAL
(2022)
Article
Chemistry, Multidisciplinary
Weirun Li, Peier Chen, Yuxuan Pan, Ling Lu, Xiaodong Ning, Jiamin Liu, Jintao Wei, Minsheng Chen, Peng Zhao, Caiwen Ou
Summary: By using a complex scaffold and nanocomposite scaffold, a band-aid like patch can slowly release H2S and attach to the myocardium, relieving inflammation and promoting angiogenesis after myocardial infarction and recovering heart function.
Article
Chemistry, Analytical
Ruirui Xie, Xiangfei Song, Huiting Chen, Peiru Lin, Siyun Guo, Zehong Zhuang, Yuying Chen, Wei Zhao, Peng Zhao, Hao Long, Jia Tao
Summary: A comprehensive strategy for cerebrospinal fluid (CSF) analysis based on a machine learning aided cross-reactive sensing array is proposed for the accurate and convenient diagnosis of post-neurosurgical meningitis (PNM). The sensing array involves three Eu3+-doped metal-organic frameworks (MOFs) and machine learning algorithms, which can generate specific fluorescence responding patterns in CSF and classify the samples into different groups.
ANALYTICAL CHEMISTRY
(2022)
Article
Chemistry, Analytical
Xun Zou, Yuying Chen, Zhiyuan Zheng, Mingyan Sun, Xiangfei Song, Peiru Lin, Jia Tao, Peng Zhao
Summary: Real-time monitoring of dopamine in living cells is important for the research and diagnosis of central nervous system diseases. The proposed electrochemical sensing system showed high sensitivity and rapid response, making it an ideal tool for dopamine assay.
MICROCHEMICAL JOURNAL
(2022)
Article
Chemistry, Multidisciplinary
Sixue Ouyang, Chuyao Chen, Peiru Lin, Wanjia Wu, Guanjun Chen, Pengfei Li, Mingyan Sun, Huiting Chen, Zhiyuan Zheng, Yuanyuan You, Sike Lv, Peng Zhao, Bingquan Lin, Jia Tao
Summary: Magnetic resonance imaging (MRI) is an important tool for diagnosing cancer, but current clinical MRI contrast agents have limitations. To address these issues, a hydrogen-bonded organic framework-based MRI contrast agent (PFC-73-Mn) was developed. PFC-73-Mn exhibited high longitudinal relaxation rate under clinical MRI scanner and could be administered in smaller doses for accurate diagnosis of multiple types of cancers, including breast tumors and orthotopic glioma. PFC-73-Mn represents a promising new approach for tumor imaging, particularly in early-stage cancer.
Article
Chemistry, Multidisciplinary
Peipei Yang, Qingfan Ren, Yuying Chen, Sixue Ouyang, Zhipeng Huang, Peng Zhao, Jia Tao
Summary: The study introduces a strategy for stabilizing ultrafine and uniform CuPd alloy nanoparticles in MIL-101 as a biosensor platform, demonstrating higher catalytic activity and lower detection limits. The findings suggest potential applications for ultrafine nanozymes in sensitive detection methods.
NEW JOURNAL OF CHEMISTRY
(2021)
Article
Materials Science, Biomaterials
Izabela Stupka, Artur P. Biela, Bernard Piette, Agnieszka Kowalczyk, Karolina Majsterkiewicz, Kinga Borzecka-Solarz, Antonina Naskalska, Jonathan G. Heddle
Summary: Artificial protein cages, such as TRAP-cages, have potential applications in vaccines and drug delivery. TRAP-cages have the ability to control the disassembly conditions by modifying the interface between their building blocks. By using TRAP rings with different numbers of monomers, it is possible to predict the formation of other cages.
JOURNAL OF MATERIALS CHEMISTRY B
(2024)
Article
Materials Science, Biomaterials
Guo Zhang, Yu Wang, Hua Qiu, Lei Lu
Summary: This study presents a one-pot synthesis method for flower-like AMPs@EAMP particles by combining antimicrobial peptides with ellagic acid, offering enlarged surface area, excellent biocompatibility, and broad-spectrum antibacterial activity. In vivo studies indicate their potential for tissue repair and immune barrier reconstruction.
JOURNAL OF MATERIALS CHEMISTRY B
(2024)
Article
Materials Science, Biomaterials
Jiamei Zhang, Lingshuang Wang, Cheng Xu, Yingui Cao, Shengsheng Liu, Rui L. Reis, Subhas C. Kundu, Xiao Yang, Bo Xiao, Lian Duan
Summary: Pluronic F127 modified silk fibroin film with different types of antibacterial agents could accelerate wound recovery by promoting fibroblast adhesion, eradicating bacteria, and facilitating angiogenesis and re-epithelialization.
JOURNAL OF MATERIALS CHEMISTRY B
(2024)
Article
Materials Science, Biomaterials
Yinsheng Liu, Mingyue Wang, Yinfei Hui, Lei Sun, Yanrui Hao, Henlong Ren, Hao Guo, Wu Yang
Summary: In this study, a rare-earth hybrid luminescent material was developed for the detection of a biomarker for anthrax. The material showed excellent selectivity and high sensitivity, allowing for the determination of the biomarker in saliva and urine. Additionally, a convenient point-of-care testing method using fluorescent test paper and a smartphone was established for the initial diagnosis of anthrax.
JOURNAL OF MATERIALS CHEMISTRY B
(2024)
Review
Materials Science, Biomaterials
Wenshuai Yang, Jingsi Chen, Ziqian Zhao, Meng Wu, Lu Gong, Yimei Sun, Charley Huang, Bin Yan, Hongbo Zeng
Summary: Injectable hydrogels with shear-thinning and/or in situ formation properties offer distinct advantages in bioengineering applications, as they can be directly delivered to target sites, possess self-healing abilities, and simplify the implantation process.
JOURNAL OF MATERIALS CHEMISTRY B
(2024)
