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  1. Article ; Online: Comparison of continuous pericapsular nerve group (PENG) block versus continuous fascia iliaca compartment block on pain management and quadriceps muscle strength after total hip arthroplasty: a prospective, randomized controlled study.

    Duan, Lei / Zhang, Liang / Shi, Chuang-Guo / Huang, Li-Gang / Ao, Hui / Wang, Ze-Peng / Deng, Yue / Sun, Meng-Liang

    BMC anesthesiology

    2023  Volume 23, Issue 1, Page(s) 233

    Abstract: ... PENG) block and continuous fascia iliac compartment block (FICB) on postoperative pain following total ... to two groups: the continuous PENG block group (PENG group, n = 29) and the continuous FICB group (FICB ... group, n = 28). Under ultrasound guidance, PENG block and FICB procedures were performed prior ...

    Abstract Background: This investigation aimed to evaluate the impact of continuous pericapsular nerve group (PENG) block and continuous fascia iliac compartment block (FICB) on postoperative pain following total hip arthroplasty (THA).
    Methods: This prospective, randomized, and controlled trial recruited a cohort of fifty-seven patients with unilateral femoral neck fractures from Xi'an Aerospace General Hospital in northwest China between July 2020 and November 2021. These patients were randomly assigned to two groups: the continuous PENG block group (PENG group, n = 29) and the continuous FICB group (FICB group, n = 28). Under ultrasound guidance, PENG block and FICB procedures were performed prior to spinal anesthesia, utilizing 20 ml of 0.25% ropivacaine for PENG block and 30 ml of 0.25% ropivacaine for FICB. Subsequently, a catheter was inserted. All study participants received a standardized postoperative multimodal analgesic regimen, including intravenous administration of 30 mg Ketorolac tromethamine every eight hours and patient-controlled neural analgesia (PCNA) after surgery. Numerical rating scale (NRS) scores at rest and during exercise were recorded at various time points: prior to block (T0), 30 min post-blockade (T1), and 6 h (T2), 12 h (T3), 24 h (T4), and 48 h (T5) postoperatively. Additional data collected encompassed postoperative quadriceps muscle strength, the time of initial ambulation after surgery, the number of effective PCNA activations, rescue analgesia requirements, and occurrences of adverse events (such as nausea and vomiting, hematoma, infection, catheter detachment, or displacement) within 48 h following surgery.
    Results: In the PENG group, the resting NRS pain scores exhibited lower values at T1, T4, and T5 than those at T0. Furthermore, exercise NRS pain scores at T1-T5 were lower in the PENG group than in the FICB group. Similarly, during the same postoperative period, the PENG group demonstrated enhanced quadriceps strength on the affected side compared to the FICB group. Additionally, the PENG group displayed earlier postoperative ambulation and reduced occurrences of effective PCNA activations and rescue analgesia requirements compared to the FICB group.
    Conclusion: Continuous PENG block exhibited superior analgesic efficacy after THA compared to continuous FICB, promoting recovery of quadriceps strength on the affected side and facilitating early postoperative ambulation.
    Trial registration: This clinical trial was registered in the China Clinical Trials Center ( http://www.chictr.org.cn ) on 20/07/2020, with the registration number ChiCTR2000034821.
    MeSH term(s) Humans ; Quadriceps Muscle ; Pain Management ; Arthroplasty, Replacement, Hip/adverse effects ; Femoral Nerve ; Proliferating Cell Nuclear Antigen ; Prospective Studies ; Ropivacaine ; Fascia ; Analgesia, Patient-Controlled ; Pain
    Chemical Substances Proliferating Cell Nuclear Antigen ; Ropivacaine (7IO5LYA57N)
    Language English
    Publishing date 2023-07-11
    Publishing country England
    Document type Randomized Controlled Trial ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2091252-3
    ISSN 1471-2253 ; 1471-2253
    ISSN (online) 1471-2253
    ISSN 1471-2253
    DOI 10.1186/s12871-023-02190-1
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: A compositional model for CO2 flooding including CO2 equilibria between water and oil using the Peng–Robinson equation of state with the Wong–Sandler mixing rule

    Zhong-Lin Yang / Hai-Yang Yu / Zhe-Wei Chen / Shi-Qing Cheng / Jian-Zheng Su

    Petroleum Science, Vol 16, Iss 4, Pp 874-

    2019  Volume 889

    Abstract: ... hydrocarbon phases, while other components, except water, exist in hydrocarbon phase. The Peng–Robinson (PR ...

    Abstract Abstract This paper presents a three-dimensional, three-phase compositional model considering CO2 phase equilibrium between water and oil. In this model, CO2 is mutually soluble in aqueous and hydrocarbon phases, while other components, except water, exist in hydrocarbon phase. The Peng–Robinson (PR) equation of state and the Wong–Sandler mixing rule with non-random two-liquid parameters are used to calculate CO2 fugacity in the aqueous phase. One-dimensional and three-dimensional CO2 flooding examples show that a significant amount of injected CO2 is dissolved in water. Our simulation shows 7% of injected CO2 can be dissolved in the aqueous phase, which delays oil recovery by 4%. The gas rate predicted by the model is smaller than the conventional model as long as water is undersaturated by CO2, which can be considered as “lost” in the aqueous phase. The model also predicts that the delayed oil can be recovered after the gas breakthrough, indicating that delayed oil is hard to recover in field applications. A three-dimensional example reveals that a highly stratified reservoir causes uneven displacement and serious CO2 breakthrough. If mobility control measures like water alternating gas are undertaken, the solubility effects will be more pronounced than this example.
    Keywords CO2 flooding ; Wong–Sandler mixing rule ; Equation of state ; Numerical simulation ; CO2 solubility ; Science ; Q ; Petrology ; QE420-499
    Subject code 660
    Language English
    Publishing date 2019-01-01T00:00:00Z
    Publisher KeAi Communications Co., Ltd.
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  3. Article ; Online: Evolution of variations in the common pattern of stomatogenesis in peritrich ciliates: evidence from a comparative Study including a new description of stomatogenesis in Pseudepistylis songi Peng et al., 2007.

    Wang, Hongliang / Clamp, John C / Shi, Xinlu / Utz, Laura R P / Liu, Guijie

    The Journal of eukaryotic microbiology

    2012  Volume 59, Issue 4, Page(s) 300–324

    Abstract: The stomatogenesis of peritrich ciliates is an important developmental process but has been studied relatively little for such a large, diverse taxon. Complex oral structures and an inability of staining techniques to reveal them clearly have been the ... ...

    Abstract The stomatogenesis of peritrich ciliates is an important developmental process but has been studied relatively little for such a large, diverse taxon. Complex oral structures and an inability of staining techniques to reveal them clearly have been the major factors hindering investigation of this process. In the present study, an improved method of staining with protargol was used to investigate the entire process of stomatogenesis in a large, colonial species of peritrich, Pseudepistylis songi, and to compare it to descriptions of stomatogenesis in several other species. We found that P. songi and other peritrichs have the same general type of ophryobuccokinetal stomatogenesis, with the parental oral complex being inherited by one daughter and the new oral complex by the other daughter; however, some differences between individual taxa appear to have arisen in the course of evolution. Reorganization of the entire germinal kinety (Gk) to form the germinal anlage may be plesiomorphic, with restriction of reorganization to its abstomal part being apomorphic. Development of the entire new haplokinety of one daughter cell (2Hk) from the germinal band or its homologue also appears to be plesiomorphic, with development of peristomial and infundibular parts of 2Hk from separate rudiments being apomorphic. Furthermore, development of the new Gk of the parental oral complex (1Gk) from the entire infundibular part of the parental haplokinety (1Hk) may be plesiomorphic, and development from just the abstomal part may be apomorphic. Finally, development of the Gk of the new oral complex (2Gk) from residual kinetosomes of the germinal band appears to be plesiomorphic.
    MeSH term(s) Biological Evolution ; Ciliophora/classification ; Ciliophora/ultrastructure ; Microscopy/methods ; Parasitology/methods ; Staining and Labeling/methods
    Language English
    Publishing date 2012-07
    Publishing country United States
    Document type Comparative Study ; Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 1147218-2
    ISSN 1550-7408 ; 1066-5234
    ISSN (online) 1550-7408
    ISSN 1066-5234
    DOI 10.1111/j.1550-7408.2012.00621.x
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Dual-band topological rainbows in Penrose-triangle photonic crystals.

    Xu, Qingxi / Peng, Yuchen / Shi, Aoqian / Peng, Peng / Liu, Jianjun

    Journal of the Optical Society of America. A, Optics, image science, and vision

    2024  Volume 41, Issue 3, Page(s) 366–370

    Abstract: Topological rainbows (TRs) possess the potential to separate and localize topological photonic states across different frequencies. However, previous works on TRs have been confined to a single-frequency band. Furthermore, the achievement of multiband ... ...

    Abstract Topological rainbows (TRs) possess the potential to separate and localize topological photonic states across different frequencies. However, previous works on TRs have been confined to a single-frequency band. Furthermore, the achievement of multiband TRs within a single structure is still a significant challenge. In this paper, a composed structure waveguide is designed based on Penrose-triangle photonic crystals. By adjusting the size of scatterers and introducing non-Hermitian terms, we successfully realize dual-band TRs. This achievement will not only enhance the uniformity of the electric field intensity distribution but also provide the potential to introduce a new avenue for the development of robust photonic devices dedicated to processing vast amounts of data information.
    Language English
    Publishing date 2024-03-04
    Publishing country United States
    Document type Journal Article
    ZDB-ID 283633-6
    ISSN 1520-8532 ; 1084-7529 ; 0740-3232
    ISSN (online) 1520-8532
    ISSN 1084-7529 ; 0740-3232
    DOI 10.1364/JOSAA.507789
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Diagnostic and Therapeutic Challenges.

    Shi, Jie / Cheng, Yizhe / Chen, Chunli / Peng, Xiaoyan

    Retina (Philadelphia, Pa.)

    2024  

    Language English
    Publishing date 2024-01-08
    Publishing country United States
    Document type Journal Article
    ZDB-ID 603192-4
    ISSN 1539-2864 ; 0275-004X
    ISSN (online) 1539-2864
    ISSN 0275-004X
    DOI 10.1097/IAE.0000000000004041
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Multiple topological states within a common bandgap of two non-trivial photonic crystals.

    Liu, Dongyang / Peng, Peng / Lu, Xiaoya / Shi, Aoqian / Peng, Yuchen / Wei, Yizhou / Liu, Jianjun

    Optics letters

    2024  Volume 49, Issue 9, Page(s) 2393–2396

    Abstract: Topological photonic crystals (PCs) provide an effective method for controlling how light propagates and concentrates through their topological states. However, it remains unclear whether topological states can be obtained by combining two different two- ... ...

    Abstract Topological photonic crystals (PCs) provide an effective method for controlling how light propagates and concentrates through their topological states. However, it remains unclear whether topological states can be obtained by combining two different two-dimensional (2D) PCs with topological non-trivial states. In this Letter, two types of 2D Penrose-square (P-S) PCs are proposed. These PCs can generate topological edge states (TESs) and topological corner states (TCSs) within the low-frequency part of the bandgap. Moreover, by combining these two non-trivial PCs, a total of two groups of TESs and four groups of TCSs can be generated in both the high-frequency and low-frequency parts of the common bandgap. To the best of our knowledge, the two proposed P-S PCs offer a new platform for investigating topological photonics and related devices, providing novel approaches and perspectives for generating topological states in 2D PCs.
    Language English
    Publishing date 2024-05-01
    Publishing country United States
    Document type Journal Article
    ISSN 1539-4794
    ISSN (online) 1539-4794
    DOI 10.1364/OL.520866
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Surface Passivation of LiCoO

    Peng, Jun / Peng, Hao / Shi, Chen-Guang / Huang, Ling / Sun, Shi-Gang

    ChemSusChem

    2023  Volume 16, Issue 24, Page(s) e202300715

    Abstract: The practical application of lithium cobalt oxide ( ... ...

    Abstract The practical application of lithium cobalt oxide (LiCoO
    Language English
    Publishing date 2023-10-10
    Publishing country Germany
    Document type Journal Article
    ISSN 1864-564X
    ISSN (online) 1864-564X
    DOI 10.1002/cssc.202300715
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  8. Article: Probiotic Properties of

    Xu, Xiaoqing / Qiao, Yu / Peng, Qing / Shi, Bo

    Foods (Basel, Switzerland)

    2023  Volume 12, Issue 5

    Abstract: ... ...

    Abstract Some
    Language English
    Publishing date 2023-03-06
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2704223-6
    ISSN 2304-8158
    ISSN 2304-8158
    DOI 10.3390/foods12051118
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Homotherapy for heteropathy: Interleukin-41 and its biological functions.

    Shi, Runfeng / He, Meixin / Peng, Yongzheng / Xia, Xu

    Immunology

    2024  

    Abstract: Interleukin-41 (IL-41) is a newly discovered cytokine, named Cometin, Subfatin, meteorin-like transcription (Metrnl), and so forth. It is widely expressed in animals and can exert its biological roles through autocrine and paracrine forms. It has ... ...

    Abstract Interleukin-41 (IL-41) is a newly discovered cytokine, named Cometin, Subfatin, meteorin-like transcription (Metrnl), and so forth. It is widely expressed in animals and can exert its biological roles through autocrine and paracrine forms. It has functions such as anti-inflammatory, improving body metabolism, regulating immunity, regulating fat metabolism and participates in the process of autoimmune disease or inflammatory injury. It plays an important role in psoriasis, diabetes, Crohn's disease (CD), osteoarthritis, Kawasaki disease (KD), Graves' disease, autoimmune hepatitis, infertility, obesity, sepsis, cardiovascular diseases and respiratory diseases. This paper reviews the biological functions of IL-41, the relationship between IL-41 and diseases, the effects of IL-41 in the cytokine network and the possible signalling pathways. In order to explore the same target or the same drug for the treatment of different diseases from the perspective of homotherapy for heteropathy, cytokine strategies based on IL-41 have been put forward for the precise treatment of immune diseases and inflammatory diseases. It is worth noting that IL-41 related preparations for lung protection and smoking cessation are interesting research fields.
    Language English
    Publishing date 2024-04-09
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 80124-0
    ISSN 1365-2567 ; 0019-2805 ; 0953-4954
    ISSN (online) 1365-2567
    ISSN 0019-2805 ; 0953-4954
    DOI 10.1111/imm.13791
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Federated Learning Backdoor Attack Based on Frequency Domain Injection.

    Liu, Jiawang / Peng, Changgen / Tan, Weijie / Shi, Chenghui

    Entropy (Basel, Switzerland)

    2024  Volume 26, Issue 2

    Abstract: Federated learning (FL) is a distributed machine learning framework that enables scattered participants to collaboratively train machine learning models without revealing information to other participants. Due to its distributed nature, FL is susceptible ...

    Abstract Federated learning (FL) is a distributed machine learning framework that enables scattered participants to collaboratively train machine learning models without revealing information to other participants. Due to its distributed nature, FL is susceptible to being manipulated by malicious clients. These malicious clients can launch backdoor attacks by contaminating local data or tampering with local model gradients, thereby damaging the global model. However, existing backdoor attacks in distributed scenarios have several vulnerabilities. For example, (1) the triggers in distributed backdoor attacks are mostly visible and easily perceivable by humans; (2) these triggers are mostly applied in the spatial domain, inevitably corrupting the semantic information of the contaminated pixels. To address these issues, this paper introduces a frequency-domain injection-based backdoor attack in FL. Specifically, by performing a Fourier transform, the trigger and the clean image are linearly mixed in the frequency domain, injecting the low-frequency information of the trigger into the clean image while preserving its semantic information. Experiments on multiple image classification datasets demonstrate that the attack method proposed in this paper is stealthier and more effective in FL scenarios compared to existing attack methods.
    Language English
    Publishing date 2024-02-14
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2014734-X
    ISSN 1099-4300 ; 1099-4300
    ISSN (online) 1099-4300
    ISSN 1099-4300
    DOI 10.3390/e26020164
    Database MEDical Literature Analysis and Retrieval System OnLINE

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