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  1. Article ; Online: Physical Layer Security Performance of Multi-User Mixed Radio-Frequency/Free-Space-Optics System Based on Optimal User Interference.

    Shen, Zihe / Wang, Yi / Wu, Jiamin

    Sensors (Basel, Switzerland)

    2023  Volume 23, Issue 14

    Abstract: This paper presents research on the physical layer security performance of a multi-user mixed RF/FSO system based on optimal user interference. In this system model, the RF link experiences Rayleigh fading, and the FSO link follows the Fischer-Snedecor F ...

    Abstract This paper presents research on the physical layer security performance of a multi-user mixed RF/FSO system based on optimal user interference. In this system model, the RF link experiences Rayleigh fading, and the FSO link follows the Fischer-Snedecor F distribution. The system adopts a double-hop-decode-and-forward (DF) relay scheme. We also consider the effect of directivity errors in the FSO link and assume the presence of an illegal eavesdropper with a single antenna near the RF link. The source node controls the energy collection and information forwarding using a multi-user structure based on simultaneous wireless information and power transfer (SWIPT). We select the optimal user to jam the eavesdropper's communication. We derive closed-form expressions for the mixed RF/FSO communication system's secrecy outage probability (SOP) and average secrecy capacity (ASC). Monte Carlo simulations are performed to verify the accuracy of these expressions. By formulating and simulating the simulation system, the impact of various important factors on the mixed system's physical layer security (PLS) is analyzed. The analysis indicates that increasing the number of antennas and interference signal-to-noise ratio (SNR) of the optimal user, the time allocation factor and energy conversion efficiency, and the improvement in the quality of atmospheric channels with improved weather will significantly enhance this system's PLS.
    Language English
    Publishing date 2023-07-19
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2052857-7
    ISSN 1424-8220 ; 1424-8220
    ISSN (online) 1424-8220
    ISSN 1424-8220
    DOI 10.3390/s23146523
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Optimized Unilateral Magnetic Resonance Sensor with Constant Gradient and Its Applications in Composite Insulators.

    Guo, Pan / Yang, Chenjie / Wu, Jiamin / Xu, Zheng

    Sensors (Basel, Switzerland)

    2023  Volume 23, Issue 12

    Abstract: In this study, an optimized unilateral magnetic resonance sensor with a three-magnet array is presented for assessing the aging of composite insulators in power grids. The sensor's optimization involved enhancing the static magnetic field strength and ... ...

    Abstract In this study, an optimized unilateral magnetic resonance sensor with a three-magnet array is presented for assessing the aging of composite insulators in power grids. The sensor's optimization involved enhancing the static magnetic field strength and the homogeneity of the RF field while maintaining a constant gradient in the direction of the vertical sensor surface and maximizing homogeneity in the horizontal direction. The center layer of the target area was positioned 4 mm from the coil's upper surface, resulting in a magnetic field strength of 139.74 mT at the center point of the area, with a gradient of 2.318 T/m and a corresponding hydrogen atomic nuclear magnetic resonance frequency of 5.95 MHz. The magnetic field uniformity over a 10 mm × 10 mm range on the plane was 0.75%. The sensor measured 120 mm × 130.5 mm × 76 mm and weighed 7.5 kg. Employing the optimized sensor, magnetic resonance assessment experiments were conducted on composite insulator samples utilizing the CPMG (Carr-Purcell-Meiboom-Gill) pulse sequence. The T
    MeSH term(s) Magnetic Resonance Spectroscopy/methods ; Magnetic Resonance Imaging/methods ; Magnetic Fields ; Hydrogen
    Chemical Substances Hydrogen (7YNJ3PO35Z)
    Language English
    Publishing date 2023-06-09
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2052857-7
    ISSN 1424-8220 ; 1424-8220
    ISSN (online) 1424-8220
    ISSN 1424-8220
    DOI 10.3390/s23125476
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Challenges and opportunities in bioimage analysis.

    Li, Xinyang / Zhang, Yuanlong / Wu, Jiamin / Dai, Qionghai

    Nature methods

    2023  Volume 20, Issue 7, Page(s) 958–961

    Language English
    Publishing date 2023-07-06
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2169522-2
    ISSN 1548-7105 ; 1548-7091
    ISSN (online) 1548-7105
    ISSN 1548-7091
    DOI 10.1038/s41592-023-01900-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 6022: Show issues Location:
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  4. Article ; Online: Immunomodulatory effects of exosomes from different resources on idiopathic pulmonary fibrosis

    Wu Jiamin, Zhang Wei, Zhang Xing, Chen Qi

    Xin yixue, Vol 53, Iss 5, Pp 336-

    2022  Volume 339

    Abstract: Idiopathic pulmonary fibrosis （IPF） is a chronic progressive interstitial lung disease. The pathogenesis of IPF remains elusive. The theory that fibroblasts directly participate in the IPF process has been widely accepted. Moreover, studies have ... ...

    Abstract Idiopathic pulmonary fibrosis （IPF） is a chronic progressive interstitial lung disease. The pathogenesis of IPF remains elusive. The theory that fibroblasts directly participate in the IPF process has been widely accepted. Moreover, studies have demonstrated that the incidence and development of IPF is intimately related to inflammatory and immunity, which is mainly manifested with the interaction between immune cells and fibroblasts. Exosomes are important carriers for biological information communication between cells, and exosomes from different cell sources can carry different signal factors, which serve a bridge between immune cells and fibroblasts, and play a role in the inflammatory response and immune regulation of IPF. Therefore, exosomes may become a vital pattern for clinical diagnosis and treatment of IPF. In this article, research progress on the roles of exosomes from different cell sources in IPF was reviewed, aiming to understand the roles of exosomes, as the carriers of information communication between cells, in regulating the incidence and progression of IPF.
    Keywords |idiopathic pulmonary fibrosis|exosome|inflammatory|immunity|fibroblast|interstitial pneumonia ; Medicine ; R
    Subject code 610
    Language Chinese
    Publishing date 2022-05-01T00:00:00Z
    Publisher Editorial Office of Journal of New Medicine
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  5. Article ; Online: Cell-penetrating peptides for transmucosal delivery of proteins.

    Wu, Jiamin / Roesger, Sophie / Jones, Natalie / Hu, Che-Ming J / Li, Shyh-Dar

    Journal of controlled release : official journal of the Controlled Release Society

    2024  Volume 366, Page(s) 864–878

    Abstract: Enabling non-invasive delivery of proteins across the mucosal barriers promises improved patient compliance and therapeutic efficacies. Cell-penetrating peptides (CPPs) are emerging as a promising and versatile tool to enhance protein and peptide ... ...

    Abstract Enabling non-invasive delivery of proteins across the mucosal barriers promises improved patient compliance and therapeutic efficacies. Cell-penetrating peptides (CPPs) are emerging as a promising and versatile tool to enhance protein and peptide permeation across various mucosal barriers. This review examines the structural and physicochemical attributes of the nasal, buccal, sublingual, and oral mucosa that hamper macromolecular delivery. Recent development of CPPs for overcoming those mucosal barriers for protein delivery is summarized and analyzed. Perspectives regarding current challenges and future research directions towards improving non-invasive transmucosal delivery of macromolecules for ultimate clinical translation are discussed.
    MeSH term(s) Humans ; Cell-Penetrating Peptides/chemistry ; Drug Delivery Systems ; Proteins/metabolism ; Administration, Mucosal ; Mouth Mucosa/metabolism
    Chemical Substances Cell-Penetrating Peptides ; Proteins
    Language English
    Publishing date 2024-01-27
    Publishing country Netherlands
    Document type Review ; Journal Article
    ZDB-ID 632533-6
    ISSN 1873-4995 ; 0168-3659
    ISSN (online) 1873-4995
    ISSN 0168-3659
    DOI 10.1016/j.jconrel.2024.01.038
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 2055: Show issues Location:
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  6. Article ; Online: Effects of acupuncture at myofascial trigger points combined with sling exercise therapy on clinical recovery and cervical spine biomechanics in patients with cervical spondylotic radiculopathy.

    Xu, Benlei / Wu, Miaozhu / Yang, Yuanle / Wu, Jiamin / Chen, Luyang / Tan, Wotao

    The International journal of neuroscience

    2024  , Page(s) 1–7

    Abstract: Objective: This research aimed to ascertain the effects of acupuncture at myofascial trigger points (MTrPs) in combination with sling exercise therapy (SET) on the clinical recovery and cervical spine biomechanics in patients with cervical spondylotic ... ...

    Abstract Objective: This research aimed to ascertain the effects of acupuncture at myofascial trigger points (MTrPs) in combination with sling exercise therapy (SET) on the clinical recovery and cervical spine biomechanics in patients with cervical spondylotic radiculopathy (CRS).
    Methods: Eighty patients with CSR were divided into Group A and Group B. Group A was treated with acupuncture at MTrPs, and Group B was treated with acupuncture at MTrPs combined with SET. The cervical spine function, pain level, cervical spine biomechanics and the occurrence of complications were compared between the two groups before and after treatment.
    Results: After treatment, the Japanese Orthopaedic Association scores, Clinical Assessment Scale for Cervical Spondylosis scores, cervical forward flexion angle, posterior extension angle, left lateral flexion angle, right lateral flexion angle, left lateral rotation angle, and right lateral rotation angle of the Group B were raised, and the Neck Disability index, Visual Analogue Scale scores, and Neck Pain Questionnaire scores were reduced versus those of the Group A. The difference in complication rates between the two groups was not of statistical significance.
    Conclusion: Acupuncture at MTrPs combined with SET promotes functional recovery of the cervical spine, reduces pain, and improves cervical spine biomechanics in patients with CRS.
    Language English
    Publishing date 2024-03-28
    Publishing country England
    Document type Journal Article
    ZDB-ID 3061-2
    ISSN 1563-5279 ; 1543-5245 ; 0020-7454
    ISSN (online) 1563-5279 ; 1543-5245
    ISSN 0020-7454
    DOI 10.1080/00207454.2024.2327402
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 657: Show issues Location:
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  7. Article ; Online: Prototype-Augmented Self-Supervised Generative Network for Generalized Zero-Shot Learning.

    Wu, Jiamin / Zhang, Tianzhu / Zha, Zheng-Jun / Luo, Jiebo / Zhang, Yongdong / Wu, Feng

    IEEE transactions on image processing : a publication of the IEEE Signal Processing Society

    2024  Volume 33, Page(s) 1938–1951

    Abstract: Generalized Zero-Shot Learning (GZSL) aims at recognizing images from both seen and unseen classes by constructing correspondences between visual images and semantic embedding. However, existing methods suffer from a strong bias problem, where unseen ... ...

    Abstract Generalized Zero-Shot Learning (GZSL) aims at recognizing images from both seen and unseen classes by constructing correspondences between visual images and semantic embedding. However, existing methods suffer from a strong bias problem, where unseen images in the target domain tend to be recognized as seen classes in the source domain. To address this issue, we propose a Prototype-augmented Self-supervised Generative Network by integrating self-supervised learning and prototype learning into a feature generating model for GZSL. The proposed model enjoys several advantages. First, we propose a Self-supervised Learning Module to exploit inter-domain relationships, where we introduce anchors as a bridge between seen and unseen categories. In the shared space, we pull the distribution of the target domain away from the source domain and obtain domain-aware features. To our best knowledge, this is the first work to introduce self-supervised learning into GZSL as learning guidance. Second, a Prototype Enhancing Module is proposed to utilize class prototypes to model reliable target domain distribution in finer granularity. In this module, a Prototype Alignment mechanism and a Prototype Dispersion mechanism are combined to guide the generation of better target class features with intra-class compactness and inter-class separability. Extensive experimental results on five standard benchmarks demonstrate that our model performs favorably against state-of-the-art GZSL methods.
    Language English
    Publishing date 2024-03-14
    Publishing country United States
    Document type Journal Article
    ISSN 1941-0042
    ISSN (online) 1941-0042
    DOI 10.1109/TIP.2024.3351439
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article ; Online: Quantitative brain mapping using magnetic resonance fingerprinting on a 50-mT portable MRI scanner.

    Xuan, Liang / Zhang, Yuxiang / Wu, Jiamin / He, Yucheng / Xu, Zheng

    NMR in biomedicine

    2023  Volume 37, Issue 4, Page(s) e5077

    Abstract: Ultralow-field magnetic resonance imaging (ULF-MRI) has broad application prospects because of its portable hardware system and low cost. However, the low ... ...

    Abstract Ultralow-field magnetic resonance imaging (ULF-MRI) has broad application prospects because of its portable hardware system and low cost. However, the low B
    MeSH term(s) Algorithms ; Magnetic Resonance Imaging/methods ; Magnetic Resonance Spectroscopy ; Brain/diagnostic imaging ; Brain Mapping ; Phantoms, Imaging ; Image Processing, Computer-Assisted/methods
    Language English
    Publishing date 2023-12-06
    Publishing country England
    Document type Journal Article
    ZDB-ID 1000976-0
    ISSN 1099-1492 ; 0952-3480
    ISSN (online) 1099-1492
    ISSN 0952-3480
    DOI 10.1002/nbm.5077
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 2869: Show issues Location:
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    Jg. 1995 - 2021: Lesesall (2.OG)
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  9. Article: Review on data analysis methods for mesoscale neural imaging

    Cai, Yeyi / Wu, Jiamin / Dai, Qionghai

    Neurophotonics

    2022  Volume 9, Issue 4, Page(s) 41407

    Abstract: Significance: ...

    Abstract Significance:
    Language English
    Publishing date 2022-04-15
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2781943-7
    ISSN 2329-4248 ; 2329-423X
    ISSN (online) 2329-4248
    ISSN 2329-423X
    DOI 10.1117/1.NPh.9.4.041407
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Computational adaptive optics for high-resolution non-line-of-sight imaging.

    Ou, Zhan / Wu, Jiamin / Yang, Yuhao / Zheng, Xiaoping

    Optics express

    2022  Volume 30, Issue 3, Page(s) 4583–4591

    Abstract: Non-line-of-sight (NLOS) imaging has aroused great interest during the past few years, by providing a unique solution for the observation of hidden objects behind obstructions or scattering media. As such, NLOS imaging may facilitate broad applications ... ...

    Abstract Non-line-of-sight (NLOS) imaging has aroused great interest during the past few years, by providing a unique solution for the observation of hidden objects behind obstructions or scattering media. As such, NLOS imaging may facilitate broad applications in autonomous driving, remote sensing, and medical diagnosis. However, existing NLOS frameworks suffer from severe degradation of resolution and signal-to-noise ratio (SNR) due to aberrations induced by scattering media and system misalignment, restricting its practical applications. This paper proposes a computational adaptive optics (CAO) method for NLOS imaging to correct optical aberrations in post-processing without the requirement of any hardware modifications. We demonstrate the effectiveness of CAO with a confocal NLOS imaging system in Terahertz (THz) band by imaging different samples behind occlusions for both low- and high-order aberrations. With appropriate metrics used for iterative CAO in post-processing, both the resolution and SNR can be increased by several times without reducing the data acquisition speed.
    Language English
    Publishing date 2022-02-21
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1491859-6
    ISSN 1094-4087 ; 1094-4087
    ISSN (online) 1094-4087
    ISSN 1094-4087
    DOI 10.1364/OE.447174
    Database MEDical Literature Analysis and Retrieval System OnLINE

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