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  • Open Access

    ARTICLE

    Foliar Application of γ-Polyglutamic Acid Enhances Chilling Tolerance in Pepper Seedlings by Orchestrating Root-to-Shoot Defense Responses

    Dongmei Lian#, Zhou Li#, Bizhen Lin, Shaoping Zhang, Susu Yuan, Yunfa Yao, Yudong Ju, Zhengfeng Lai*

    Phyton-International Journal of Experimental Botany, Vol.95, No.4, 2026, DOI:10.32604/phyton.2026.078378 - 28 April 2026

    Abstract Pepper (Capsicum annuum L.) is highly susceptible to chilling stress, which severely constrains its growth and productivity. Although the eco-friendly biostimulant γ-polyglutamic acid (γ-PGA) has shown promise in enhancing plant tolerance to abiotic stresses, its specific role and underlying mechanisms in alleviating chilling injury in pepper remain poorly understood. This study systematically investigated the physiological and molecular mechanisms by which foliar application of 100 mg·L−1 γ-PGA enhances chilling tolerance in pepper seedlings. Our results demonstrated that γ-PGA pretreatment significantly mitigated chilling-induced growth inhibition and promoted root development, evidenced by a 110.8% increase in the number of root… More >

  • Open Access

    ARTICLE

    Positive Youth Development: Impact of a Sports Education Program on Ethnic Minority Students within an Academic Environment of Socio-Educational Exclusion

    Pablo Luna1,*, Lidia Losada2, Débora Rodrigo-Ruiz3, Alba Rodríguez-Donaire1, Javier Cejudo1

    International Journal of Mental Health Promotion, Vol.28, No.4, 2026, DOI:10.32604/ijmhp.2026.078092 - 28 April 2026

    Abstract Objectives: There is a growing global concern regarding mental health and well-being in educational settings, especially in contexts of socio-educational exclusion. Active educational interventions offer an effective approach to enhance students’ mental health and personal and social well-being. This study aimed to evaluate the effects of a psychosocial intervention program based on the Sports Education model (SEM) on subjective well-being (positive and negative affect) and externalizing problems (aggressiveness, hyperactivity, and behavioral problems) in youth students from a highly vulnerable socio-cultural community belonging to an ethnic minority with significant socio-educational support needs associated with socio-educational exclusion. Methods:More >

  • Open Access

    ARTICLE

    Latent Patterns and Transitions of Depressive Symptoms in Middle School Students: Stress Types, Life Satisfaction, and Gender as Predictors

    Shuhua Wei1,#, Hongkun Ji1,#, Fang Kong2, Bijuan Huang1,*

    International Journal of Mental Health Promotion, Vol.28, No.4, 2026, DOI:10.32604/ijmhp.2026.076393 - 28 April 2026

    Abstract Background: Early adolescents (ages 11–15), mainly Chinese middle-school students, face academic tracking pressure for the high-school entrance exam and multiple stressors, with depressive symptoms detected in up to 21.9% of this group. Because this stage is a “critical window” for depression intervention and the Ministry of Education requires “stratified and classified interventions”, systematically identifying the patterns and dynamic transition patterns of adolescent depressive symptoms is of considerable practical and theoretical importance. This study aimed to identify the latent profiles and transitions of depressive symptoms among middle-school students and to examine how different types of stress, life… More >

  • Open Access

    ARTICLE

    Nomophobia and psychological loneliness: Their relationship to sleep disorders among university students in Middle Eastern countries

    Mohammad Farhan Al. Qudah1, Ismael Salamah Albursan1, Salaheldin Farah Attallah Bakhiet2,*, Mohammed Awad Al-Tartouri3, Mohammed M. Ateik Al-Khadher1, Abdo Hasan Al-Qadri4

    Journal of Psychology in Africa, Vol.36, No.2, pp. 257-266, 2026, DOI:10.32604/jpa.2025.070220 - 29 April 2026

    Abstract This study explored the level of nomophobia among university students in relation to psychological loneliness, sleep disorders, smartphone usage, age, and the duration of smartphone ownership. A sample of 2162 students from Middle Eastern countries: Jordan (n = 470), Saudi Arabia (n = 279), United Arab Emirates (n = 315), Egypt (n = 625), Oman (n = 237), and Sudan (n = 189) (female = 1706; 78.9%; mean age = 33.36, SD = 10.69). Data were collected using the Nomophobia Questionnaire (Yildirim et al., 2016), the UCLA Psychological Loneliness Scale (Russell, 1996), the Sleep Disorders… More >

  • Open Access

    ARTICLE

    Optimizing IoT-Driven Smart Cities with the Dynamic Leader Sibha Algorithm: A Novel Approach to Feature Selection and Hyperparameter Tuning

    Safaa Zaman1, Marwa M. Eid2,*, Ebrahim A. Mattar3, Doaa Sami Khafaga4, El-Sayed M. El-Kenawy5,6

    CMES-Computer Modeling in Engineering & Sciences, Vol.147, No.1, 2026, DOI:10.32604/cmes.2026.079827 - 27 April 2026

    Abstract The rapid growth of Internet of Things (IoT) technologies has transformed modern urban environments into complex smart cities, generating vast amounts of high-dimensional, heterogeneous data. Effectively analyzing this data is crucial for optimizing urban infrastructure, enhancing quality of life, and supporting sustainable development. However, smart city data presents significant challenges, including non-linear dependencies, noisy signals, and high dimensionality. To address these challenges, this study proposes the Dynamic Leader Sibha Algorithm (DLSA), a novel metaheuristic optimization technique inspired by the structured counting dynamics of the Sibha. The DLSA was applied to the Smart Cities Index dataset,… More >

  • Open Access

    ARTICLE

    Regulation of Histone Emulsification by HPDL via LDHA/LDHB Promotes EC Cell Proliferation

    Yan Wang1,#, Jialei Zhu2,#, Shiyang Wei3,4,#, Lijie Jin1, Zhanqiu Liu1, Jie Xu1, Nana Yang1, Xuefeng Jiang4, Caizhi Wang1,*, Lingling Wang1,*

    Oncology Research, Vol.34, No.5, 2026, DOI:10.32604/or.2026.068833 - 22 April 2026

    Abstract Background: The role of 4-hydroxyphenylpyruvate dioxygenase-like protein (HPDL) in endometrial cancer (EC) progression remains poorly understood, particularly its involvement in metabolic-epigenetic crosstalk via lactate-driven histone lactylation. This study aimed to investigate HPDL’s mechanistic contribution to EC pathogenesis. Methods: Stable HPDL-overexpressing and knockdown EC cell lines (HEC-1-B and AN3CA) were generated using lentiviral vectors. Functional assays (proliferation, migration, invasion), subcutaneous xenograft models in BALB/c nude mice, and molecular analyses were conducted. Lactate levels, Pan-lysine lactylation (pan-kla), histone H3K18 lactylation (H3K18la), and effects of sodium oxamate (lactate modulator) were assessed. Lactate Dehydrogenase A/Lactate Dehydrogenase B (LDHA/LDHB) knockdown,… More >

  • Open Access

    ARTICLE

    Mitigating Fragmentation Attacks in DNP3-Based Microgrids through Permissioned Blockchain Validation

    Benedict Djouboussi1,*, Elie Fute Tagne1,2

    Journal of Cyber Security, Vol.8, pp. 171-187, 2026, DOI:10.32604/jcs.2026.079617 - 15 April 2026

    Abstract The Distributed Network Protocol 3 (DNP3) is widely deployed in SCADA-based microgrids; however, it was not originally designed to meet the cybersecurity requirements of modern decentralized energy infrastructures. Although DNP3 Secure Authentication (DNP3-SA) introduces HMAC-based session-level protection, it does not ensure fragment-level integrity, leaving the protocol vulnerable to fragmentation disruption, replay attacks, and sequence manipulation. Such vulnerabilities can cause desynchronization between master and outstation devices, compromising the operational reliability of distributed energy resources. This paper proposes DNP3Chain, a blockchain-enabled framework that provides real-time fragment-level validation and enforces end-to-end message integrity in DNP3 communications. An OpenDNP3-based… More >

  • Open Access

    ARTICLE

    A Hybrid Harmony Search–Nondominated Sorting Approach for Cost-Efficient and Deadline-Aware Fog-Enabled IoT Placement

    Zahra Farhadpour1,*, Tan Fong Ang1,*, Chee Sun Liew2

    CMC-Computers, Materials & Continua, Vol.87, No.3, 2026, DOI:10.32604/cmc.2026.076163 - 09 April 2026

    Abstract The heterogeneity and dynamic behavior of fog computing environments introduce major challenges to achieving optimal application placement. Limited fog resources and varying workloads often necessitate offloading applications beyond their local clusters, making it difficult to maintain the required level of service quality under varying conditions. In this context, placement methods must ensure a balanced trade-off between multiple objectives, such as time and cost, while maintaining reliable adherence to constraints like application deadlines and limited fog-node memory. Existing solutions, including heuristic, metaheuristic, learning-based, and hybrid optimization approaches, have been proposed to address these challenges. However, many… More >

  • Open Access

    REVIEW

    Survey of AI-Based Threat Detection for Illicit Web Ecosystems: Models, Modalities, and Emerging Trends

    Jaeho Hwang1, Moohong Min2,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.146, No.3, 2026, DOI:10.32604/cmes.2026.078940 - 30 March 2026

    Abstract Illicit web ecosystems, encompassing phishing, illegal online gambling, scam platforms, and malicious advertising, have rapidly expanded in scale and complexity, creating severe social, financial, and cybersecurity risks. Traditional rule-based and blacklist-driven detection approaches struggle to cope with polymorphic, multilingual, and adversarially manipulated threats, resulting in increasing demand for Artificial Intelligence (AI)-based solutions. This review provides a comprehensive synthesis of research on AI-driven threat detection for illicit web environments. It surveys detection models across multiple modalities, including text-based analysis of Uniform Resource Locator (URL) and HyperText Markup Language (HTML), vision-based recognition of webpage layouts and logos,… More >

  • Open Access

    REVIEW

    Federated Deep Learning in Intelligent Urban Ecosystems: A Systematic Review of Advancements and Applications in Smart Cities, Homes, Buildings, and Healthcare Systems

    Muhammad Adnan Tariq1, Sunawar Khan2, Tehseen Mazhar2,3, Tariq Shahzad4, Sahar Arooj5, Khmaies Ouahada6, Muhammad Adnan Khan7,*, Habib Hamam8,9,10,11

    CMES-Computer Modeling in Engineering & Sciences, Vol.146, No.3, 2026, DOI:10.32604/cmes.2026.078672 - 30 March 2026

    Abstract The contemporary smart cities, smart homes, smart buildings, and smart health care systems are the results of the explosive growth of Internet of Things (IoT) devices and deep learning. Yet the centralized training paradigms have fundamental issues in data privacy, regulatory compliance, and ownership silo alongside the scaled limitations of the real-life application. The concept of Federated Deep Learning (FDL) is a privacy-by-design method that will enable the distributed training of machine learning models among distributed clients without sharing raw data and is suitable in heterogeneous urban settings. It is an overview of the privacy-preserving… More >

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