Jiangling He

National University of Singapore

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Jie Cai

Wuhan Polytechnic University

Jiaojiao Zhou

Wuhan Polytechnic University

Yingliang Liu

Zhengzhou University

Bingfu Lei

South China Agricultural University

Jianle Zhuang

South China Agricultural University

Youling He

South China University of Technology

Chaofan Hu

South China Agricultural University

Haoran Zhang

Fujian Agriculture and Forestry University

Mingtao Zheng

South China Agricultural University

Shuiyuan Cheng

Wuhan Polytechnic University

Cooperative Institutions

Wuhan Polytechnic University

South China Agricultural University

Chinese Academy of Sciences

South China University of Technology

Central South University

Shanghai Jiao Tong University

Key Laboratory of Guangdong Province

Zhejiang University

Hunan University

Ministry of Education of the People's Republic of China

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Emerging starch composite nanofibrous films for food packaging: Facile construction, hydrophobic property, and antibacterial activity enhancement

International Journal of Biological Macromolecules (2022)

Xiaoqing Liu Lei Chen Qi Dong Zhijin Wang Die Zhang

Electrospinning

Polyvinyl Alcohol

Glutaraldehyde

Modified starch

Thermal Stability

10.1016/j.ijbiomac.2022.09.187

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Citations (37)

Using hydrogen peroxide to mediate through a one-step hydrothermal method for the fast and green synthesis of N-CDs

RSC Advances (2015)

Jiangling He Bingfu Lei Haoran Zhang Mingtao Zheng Hanwu Dong

The strategy for the formation mechanism of N-CDs under high temperature and high pressure can be summarized as consisting of two parts including top-down and bottom-up. It can serve as an efficient way to express the detailed formation process of N-CDs.

Hydrothermal Synthesis

10.1039/c5ra12976a

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Citations (8)

Broadband nonlinear optical properties of red fluorescent carbon dots

Results in Physics (2022)

Wenxuan Fan Jun He Hao Wei Chen Zhang Menglong Zhu

Carbon dots (CDs) provide ideal platforms for applications in bioimaging, sensing, and photocatalysis. Herein, a new type of red fluorescent carbon dot (RCD) is successfully synthesized, and its broadband nonlinear optical (NLO) properties are systematically characterized. The nonlinear absorption coefficient (αNL) values of the RCDs at 580, 630, 650, 1064 nm are − 0.65, −3.09, −4.02, and 0.14 cm/GW, respectively. The nonlinear absorption transforms from saturable absorption to two-photon absorption in the near-infrared domain. We demonstrate the application of the RCDs for imaging Hela cells. Our results indicate that the synthesized RCDs with a broadband NLO response exhibit potential applications in saturable absorbers and deep-tissue imaging.

Saturable absorption

Carbon fibers

10.1016/j.rinp.2022.105591

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Citations (7)

Na+：The key to ultra-long afterglow lifetime of CDs in dense SiO2 matrices

Journal of Materials Chemistry C (2024)

Yimeng Luo Qin Jiang Xinyu Huang Jiahao Dong Yiyi Zhou

This work demonstrates that Na + is the key to ultra-long afterglow lifetimes of CDs in dense silica matrices.

10.1039/d4tc02795g

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Optimization of geometric parameters of the three-step method for four-lane tunnels with large sections

CRC Press eBooks (2023)

Min Liu Jiangling He He Tian Xinghong Jiang

In this paper, the stability and safety of the surrounding rock can be improved and the advantages of the construction techniques can be brought into full play by optimizing the geometrical parameters of the step method under the condition of the soft surrounding rock. In the case of large section tunnel engineering with single hole excavation width of 22.6 m and excavation height of 14.5 m in the soft surrounding rock, the FLAC 3D simulation step method was adopted for construction, and simulation analysis was carried out for 8 different working conditions of step height and step length, and the stability of tunnel was determined by displacement criterion. The settlement of the arch face, the horizontal displacement of the two sides and the stability of the arch face are used as the basis for optimization selection. According to the research results, the three-step excavation method is adopted for the tunnel under the condition of the soft surrounding rock. Considering the balance of construction space and production efficiency, the recommended step height should be controlled at 1/4 h~1/3 h (H is the height of the tunnel), and the excavation height should be controlled at 3.5 m~4.5 m. It is recommended that the length of the step should be controlled within 4m, and the initial supporting structure of the tunnel should have reasonable stress and convenient operation of construction machinery.

10.1201/9781003344209-61

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Passion Fruit-Inspired Dendritic Mesoporous Silica Nanospheres-Enriched Quantum Dots Coupled with Magnetism-Controllable Aptasensor Enable Sensitive Detection of Ochratoxin a

Jiaojiao Zhou Xuqin Lv Yue Gui Jiangling He Fang Xie

Ochratoxin A (OTA) is a powerful mycotoxin present in a variety of food products, and its detection is important for human health. Here, we report a fluorescent aptasensor for sensitive OTA determination. Specifically, the surface of bio-inspired passion fruit-like dendritic mesoporous silica nanospheres-enriched quantum dots (MSNQs-apt) was first modified with the OTA aptamer as the recognition unit and fluorescence emitter, while the aptamer-complementary DNA (MNPs-cDNA) was linked with the magnetic nanoparticles (MNPs) as the separation element. In the range of 2.56 pg/mL to 8 ng/mL, the proposed aptasensor exhibited satisfactory linearity and a detection limit of 1.402 pg/mL. The developed aptasensor achieved recoveries of 90.98-103.20% and 94.33-107.57 % in red wine and wheat flour samples, respectively. By simply replacing the aptamer, this aptasensor can be easily extended to detection of other analytes, suggesting its potential as a universal detection platform for mycotoxins in food products.

Magnetism

Passion fruit

Passion

10.2139/ssrn.4383288

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Multiple Confinement-Limited Activation and Defect Effect Co-Triggered the Ultra-Long Lifetime of Carbon Dots

Yimeng Luo Qin Jiang Jinkun Liu Feiyan Huang Xuelin Liao

The luminescence process of carbon dots (CDs) is typically influenced by spin-forbidden transition, triplet exciton quenching, and non-radiative transition. Thus, it faces great challenges to achieve efficient and ultra-long lifetime afterglow for CDs. The commonly employed strategy to obtain efficient afterglow performance of CDs is to encapsulate CDs into a rigid matrix to protect the afterglow signal from quenching. Generally, the ultra-long lifetime and excellent luminescent properties of inorganic RTP (room temperature phosphorescence) nanomaterials attribute to the slow release of electrons trapped in defect states of the surfaces. This capture-release mechanism has advanced afterglow lifetime of CDs towards longer levels via the design of defect states. Anchoring CDs onto a rigid matrix can preserve the rigid structure for the restrictive effect, and also can create structural defects. Herein, as-prepared RHCDs@SiO2 composite can exhibit an ultra-long afterglow lifetime of 7.76 s, which is the highest value achieved for CDs in silica matrix to date. This composite is also successfully applied in anti-counterfeiting and cell imaging fields. The synergistic multiple confinement effect and defect effect from the composite provides a universal strategy to design and achieve the ultra-long afterglow lifetime of CDs.

Carbon fibers

10.2139/ssrn.4820509

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Research on key construction parameters of double-side heading method for newly-added four-lane tunnel with super large section

CRC Press eBooks (2023)

Jiangling He Min Liu Xinghong Jiang Langping Xiong

Super-large cross-section four-lane tunnels often have the characteristics of large cross-section span, deep and shallow burial, and poor stability of surrounding rock. Taking the example of the Shenshan West Tunnel as the engineering background, this paper simulates and analyzes the key parameters of the construction of the double-side heading method in the excavation of a super large section tunnel, and studies the effects of different process parameter schemes on the deformation and stability of the tunnel surrounding rock during the tunnel excavation process. The results of the study show that the double-side heading method is used to construct a four-lane tunnel with a super large cross-section of V-level surrounding rock. The deformation and mechanical characteristics of the surrounding rock of the tunnel are comprehensively analyzed. The radius of curvature is 45° and the height of the steps on the pilot tunnel is 1/2 of the tunnel height.

Section (typography)

10.1201/9781003344209-15

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Citations (1)

Structural Studies on Metal-Serum Albumin III . Slow Conformational Transition of HSA and BSA Induced by Ni~(2+) Ion

Acta Chimica Sinica (1998)

Hong Liang Dongyan Ouyang Xuning Hu Jiajin Tai Jiangling He

A notable hysteretic effect has been observed in the interaction of Ni2+ ion with human or bovine serum albumin using UV - Visible spectrometry, which shows that the binding of Ni2+ ion can induce a slow transition of HSA and BSA from the conformation of weaker affinity for Ni2+ ion to the one of stronger affinity (T - R transition). This conformational transition is supported by the time -dependence of the optical rotation of the samples. The rate constants and activation parameters of these transitions have been measured and discussed. It is inferred that such a conformational transition may mainly occur in the IA subdomain of the proteins,and is likely to be a hinged movement, which makes the IA subdomain become more open.

Optical Rotation

Bovine serum albumin

Conformational change

Serum Albumin

Human serum albumin

Source

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Citations (21)

Photoinduced Absorption and Linear/Nonlinear Emission of Carbon Dots Assembled Silica for Cellular Imaging

Journal of Materials Chemistry C (2024)

Jiangling He Chen Xu Youling He

Silanized carbon dot (CD–SiO 2 ) composites show transformation from saturable absorption to anti-saturation absorption, and the PIA phenomenon was first investigated in the CD-based field by ns-TA spectroscopy.

Carbon fibers

10.1039/d4tc00074a

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Citations (1)