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Search Results (33)
  • Open Access

    ARTICLE

    Gamma radiation dose's impact on the energy states and structural properties of Se70Ge20Sb10 alloy

    J. H. Azzawia, Yaseen A. Al-Zahraab, M. A. Abdulmajeedc, K. A. Jasimc, A. Muravitskayae, A. A. Al-Hamadanid,e, A. H. Al-Dulaimid,e

    Chalcogenide Letters, Vol.22, No.7, pp. 593-601, 2025, DOI:10.15251/CL.2025.227.593

    Abstract Four Se70Ge20Sb10 alloy samples were prepared using the melt quenching technique. To improve the energy states of the mobility gap, the samples were exposed to gamma radiation from 60Co source at various doses of 600, 1200, 1500, and 2000 Gy. The electrical characteristics were examined both before and after irradiation. The conductivity analysis revealed that all of our samples were impacted by gamma radiation. The reorganization of the amorphous lattice and the degree of radiation-induced disorder have been involved in the changes that occurred in the electrical characteristics of the irradiated samples. All irradiated and non-irradiated… More >

  • Open Access

    ARTICLE

    Mechanistic Scale-Up of Gas-Solid Fluidized Beds via Local Hydrodynamic Similarity

    Faraj M. Zaid1,2, Thaar M. Aljuwaya3,4,*, Muthanna H. Al-Dahhan1,3,5,*

    FDMP-Fluid Dynamics & Materials Processing, Vol.21, No.10, pp. 2443-2471, 2025, DOI:10.32604/fdmp.2025.067557 - 30 October 2025

    Abstract This study presents a detailed experimental evaluation of a newly developed mechanistic scale-up methodology for gas-solid fluidized beds. Traditional scale-up approaches typically rely on matching global dimensionless groups, which often fail to ensure local hydrodynamic similarity. In contrast, the new mechanistic method aims to achieve scale-up by matching the radial profiles of gas holdup between geometrically similar beds at corresponding dimensionless axial positions (z/Dc). This approach is based on the premise that when gas holdup profiles align, other key hydrodynamic parameters—such as solids holdup and particle velocity—also become similar. To validate this methodology, experiments were conducted More >

  • Open Access

    ARTICLE

    ERRγ Promotes Multiple Myeloma Survival by Coordinating NF-κB Signaling and Mitochondrial Apoptosis Regulation

    Xiaobing Zhou1,#, Ying Li2,#, Zizi Jing1, Wei Yu1, Jianbin Chen1,*

    Oncology Research, Vol.33, No.9, pp. 2399-2420, 2025, DOI:10.32604/or.2025.063700 - 28 August 2025

    Abstract Background: Multiple myeloma (MM) remains a formidable clinical challenge due to its high relapse rate and resistance to existing therapies. Estrogen-related receptor gamma (ERRγ), a nuclear receptor critical for cellular energy metabolism, has been implicated in various cancers. but its role in MM remains unclear. Methods: ERRγ expression was assessed using bioinformatics and RT-qPCR. Functional studies were conducted through siRNA-mediated ERRγ knockdown and treatment with the inverse agonist GSK5182 to examine their effects on MM cell proliferation and apoptosis. Results: ERRγ was significantly upregulated in the bone marrow of MM patients, correlating with advanced clinical stages… More > Graphic Abstract

    ERRγ Promotes Multiple Myeloma Survival by Coordinating NF-κB Signaling and Mitochondrial Apoptosis Regulation

  • Open Access

    ARTICLE

    On Progressive-Stress ALT under Generalized Progressive Hybrid Censoring Scheme for Quasi Xgamma Distribution

    Ehab M. Almetwally1,*, O. M. Khaled2, H. M. Barakat3

    CMES-Computer Modeling in Engineering & Sciences, Vol.143, No.3, pp. 2957-2990, 2025, DOI:10.32604/cmes.2025.065446 - 30 June 2025

    Abstract Accelerated life tests play a vital role in reliability analysis, especially as advanced technologies lead to the production of highly reliable products to meet market demands and competition. Among these tests, progressive-stress accelerated life tests (PSALT) allow for continuous changes in applied stress. Additionally, the generalized progressive hybrid censoring (GPHC) scheme has attracted significant attention in reliability and survival analysis, particularly for handling censored data in accelerated testing. It has been applied to various failure models, including competing risks and step-stress models. However, despite its growing relevance, a notable gap remains in the literature regarding… More >

  • Open Access

    ARTICLE

    The alternatively spliced diacylglycerol kinase gamma-Δ exon13 transcript generated under hypoxia promotes glioblastoma progression

    MING YANG1,#, LIANGZHAO CHU1,#, SHUKAI LIN2, HAN PENG1, NIYA LONG1, KAYA XU1, HUA YANG1, FENG HAN1,*, JIAN LIU1,*

    Oncology Research, Vol.33, No.5, pp. 1189-1198, 2025, DOI:10.32604/or.2024.055102 - 18 April 2025

    Abstract Background: Glioblastoma (GBM) is one of the most malignant types of central nervous system tumors. Oxygen deprivation in the tumor microenvironment is thought to be an important factor in promoting GBM progression. However, the mechanisms of hypoxia-promoted tumor progression remain elusive. Methods: Alternative splicing of diacylglycerol kinase gamma (DGKG)-Δ exon13 was amplified and verified by PCR-Sanger sequencing. The functions of DGKG and DGKG-Δ exon13 were analyzed by Cell counting kit-8 (CCK-8), Transwell, Matrigel-transwell experiments, and in vivo orthotropic GBM animal models. Transcriptome analyses were done to find out the regulated genes. Results: In this study, we found… More > Graphic Abstract

    The alternatively spliced diacylglycerol kinase gamma-Δ exon13 transcript generated under hypoxia promotes glioblastoma progression

  • Open Access

    ARTICLE

    An Advanced Bald Eagle Search Algorithm for Image Enhancement

    Pei Hu1, Yibo Han1, Jeng-Shyang Pan2,3,*

    CMC-Computers, Materials & Continua, Vol.82, No.3, pp. 4485-4501, 2025, DOI:10.32604/cmc.2024.059773 - 06 March 2025

    Abstract Image enhancement utilizes intensity transformation functions to maximize the information content of enhanced images. This paper approaches the topic as an optimization problem and uses the bald eagle search (BES) algorithm to achieve optimal results. In our proposed model, gamma correction and Retinex address color cast issues and enhance image edges and details. The final enhanced image is obtained through color balancing. The BES algorithm seeks the optimal solution through the selection, search, and swooping stages. However, it is prone to getting stuck in local optima and converges slowly. To overcome these limitations, we propose… More >

  • Open Access

    ARTICLE

    Interferon-gamma regulates the progression of neuroblastoma cells through interferon-regulatory factor-1

    JING WANG1,#, JUNFENG XU2,#, YINGRAN YANG1, YOUZHENG QIU1, SHANSHAN ZHANG3, NING WANG1,3,*

    BIOCELL, Vol.48, No.9, pp. 1343-1353, 2024, DOI:10.32604/biocell.2024.051673 - 04 September 2024

    Abstract Objective: This study aimed to elucidate the influence of IFN-gamma (IFN-γ) in neuroblastoma (NB) cells and reveal its potential underlying molecular mechanism. Methods: The Cell Counting Kit-8, Transwell apparatus, and flow cytometry were employed to assess cellular viability, migratory capacity, invasive potential, and apoptotic rates, respectively. RNA-seq combined with bioinformatics analysis revealed differentially expressed genes (DEGs) and their possible biological functions. Protein levels were determined by western blot analysis. Results: IFN-γ treatment resulted in diminished cell viability, mitigated migratory and invasive capabilities, and augmented apoptotic activity in the SK-N-BE (2) cell line, whereas it exhibited the… More >

  • Open Access

    RETRACTION

    Retraction: Gamma Irradiation Upregulates B-cell Translocation Gene 2 to Attenuate Cell Proliferation of Lung Cancer Cells Through the JNK and NF-κB Pathways

    Oncology Research Editorial Office

    Oncology Research, Vol.32, No.9, pp. 1527-1527, 2024, DOI:10.32604/or.2024.056120 - 23 August 2024

    Abstract This article has no abstract. More >

  • Open Access

    ARTICLE

    Analysis of Progressively Type-II Inverted Generalized Gamma Censored Data and Its Engineering Application

    Refah Alotaibi1, Sanku Dey2, Ahmed Elshahhat3,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.141, No.1, pp. 459-489, 2024, DOI:10.32604/cmes.2024.053255 - 20 August 2024

    Abstract A novel inverted generalized gamma (IGG) distribution, proposed for data modelling with an upside-down bathtub hazard rate, is considered. In many real-world practical situations, when a researcher wants to conduct a comparative study of the life testing of items based on cost and duration of testing, censoring strategies are frequently used. From this point of view, in the presence of censored data compiled from the most well-known progressively Type-II censoring technique, this study examines different parameters of the IGG distribution. From a classical point of view, the likelihood and product of spacing estimation methods are… More >

  • Open Access

    ARTICLE

    Bioinformatics analysis and experimental validation of cystathionine-gamma-lyase as a potential prognosis biomarker in hepatocellular carcinoma

    YANAN MA1, SHANSHAN WANG2,*, HUIGUO DING1,*

    BIOCELL, Vol.48, No.3, pp. 463-471, 2024, DOI:10.32604/biocell.2024.048244 - 15 March 2024

    Abstract Background: Hepatocellular carcinoma (HCC) is a common malignant tumor with poor prognosis and high mortality worldwide. Although cystathionine-gamma-lyase (CSE) plays an important role in the development of multiple tumors, the clinical implication and potential mechanisms of CSE in HCC development remain elusive. Methods: In our study, the CSE expression in HCC was analyzed in Gene Expression Omnibus (GEO) and The Cancer Genome Atlas (TCGA) datasets and further confirmed by RT-qPCR and immunohistochemistry assays in HCC samples. Furthermore, the associations between CSE expression and HCC malignancy as well as survival were analyzed in GSE14520 and validated… More >

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