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  • Open Access

    ARTICLE

    Nonlinear Activation Functions in CNN Based on Fluid Dynamics and Its Applications

    Kazuhiko Kakuda1,*, Tomoyuki Enomoto1, Shinichiro Miura2

    CMES-Computer Modeling in Engineering & Sciences, Vol.118, No.1, pp. 1-14, 2019, DOI:10.31614/cmes.2019.04676

    Abstract The nonlinear activation functions in the deep CNN (Convolutional Neural Network) based on fluid dynamics are presented. We propose two types of activation functions by applying the so-called parametric softsign to the negative region. We use significantly the well-known TensorFlow as the deep learning framework. The CNN architecture consists of three convolutional layers with the max-pooling and one fully-connected softmax layer. The CNN approaches are applied to three benchmark datasets, namely, MNIST, CIFAR-10, and CIFAR-100. Numerical results demonstrate the workability and the validity of the present approach through comparison with other numerical performances. More >

  • Open Access

    REVIEW

    A Review on Date Palm Tree: Properties, Characterization and Its Potential Applications

    Mehdi Jonoobi1,*, Masoud Shafie1, Younes Shirmohammadli1, Alireza Ashori2, Hamid Zarea- Hosseinabadi1, Tizazu Mekonnen3

    Journal of Renewable Materials, Vol.7, No.11, pp. 1055-1075, 2019, DOI:10.32604/jrm.2019.08188

    Abstract Date palm (phoenix dactylifera), which is mostly found in the middle east countries such as Iran, Iraq, Saudi Arabia, and the United States (California) that play a significant role in the economical and the environmental condition in those areas. The main purpose of planting dates is its fruit, which is consumed as fresh, dried or processed forms. There are approximately 100 million date palm trees in the worldwide that 62 million of these trees located in the Middle East and North Africa. In Saudi Arabia only, 15000 tons of date palm leaves is prepared as waste materials. The leaves of… More >

  • Open Access

    ARTICLE

    Evaluation of Nanofiber-based Engineered Cartilage and its Integration with Native Cartilage

    W-J. Li3, Y-J. Jiang3, C. J. Galbán1, K. W. Fishbein2, S. A. Maher3, R. G. Spencer2, R. S. Tuan3

    Molecular & Cellular Biomechanics, Vol.3, No.4, pp. 175-176, 2006, DOI:10.32604/mcb.2006.003.175

    Abstract This article has no abstract. More >

  • Open Access

    ARTICLE

    Chitosan-based Semi-permeable Nerve Conduits Support Periphereal Nerve Regeneration in Goats and Nonhuman Primates

    A-J. Wang1, Q. Ao1, 2, K. Gong1, Z-H. Zheng1, G-Y. Lu1, G. Wang1, Q. He1, L-J. Kong1, Y-D. Gong1, N-M. Zhao1, X-F. Zhang1

    Molecular & Cellular Biomechanics, Vol.3, No.4, pp. 143-144, 2006, DOI:10.32604/mcb.2006.003.143

    Abstract This article has no abstract. More >

  • Open Access

    ARTICLE

    Hydrothermal preparation of TiO2-Ag nanoparticles and its antimicrobial performance against human pathogenic microbial cells in water

    Mahmoud MOUSTAFA1, 2, Saad ALAMRI1, Mohamed ELNOUBY3, Tarek TAHA4, M. A. ABU-SAIED5, Ali SHATI1, Mohamed AL-KAHTANI1, Sulaiman ALRUMMAN1

    BIOCELL, Vol.42, No.3, pp. 93-98, 2018, DOI:10.32604/biocell.2018.07014

    Abstract Water contaminated with pathogenic microbes is considered as one of the most common routes for transmitting diseases in human beings. Different methods have been applied for the decontamination of microbes in contaminated water. In the current study, an easy to do hydrothermal method has been used for the preparation of TiO2-Ag nanoparticles. The obtained material was characterised using a scanning electron microscope (SEM) and fourier transform infra-red spectroscopy (FTIR). The morphological appearance of the obtained nanoparticles was in the shape of a sphere with a size range of 60-90 nm. The antimicrobial activity of the prepared nanoparticles was tested against… More >

  • Open Access

    ARTICLE

    Study of phylogenic relationships of some wild and crop species of Iranian Crocus by ITS nuclear loci

    Farshid GOLSHANI1, Barat Ali FAKHERI1, Mahmood SOLOUKI1, Nafiseh MAHDINEZHAD1, Majid Reza KIANI FERIZ2

    BIOCELL, Vol.43, No.3, pp. 225-232, 2019, DOI:10.32604/biocell.2019.07547

    Abstract ITS (Internal Transcription Spacer of nuclear ribosomal DNA) regions method was applied to identify and study the phylogenetic relationships existing between 41 individuals of Crocus, including 8 species collected in Iran (4 crop and 8 wild individuals) and 16 species (2 crop and 27 wild individuals) already registered in GenBank (NCBI). PCR amplifications were performed using the primer designed on the nucleotide sequence of nuclear region (ITS). A total of 12 sequences were obtained and registered in NCBI database. In particular, 4 of these sequences were not already present in the scientific library. Nucleotide polymorphic sites were counted for ITS… More >

  • Open Access

    ARTICLE

    Identification of phytohormone changes and its related genes under abiotic stresses in transgenic rice

    Mohammad UBAIDILLAH1,2, Miswar FAPERTA1,2, Kyung-Min KIM1

    BIOCELL, Vol.43, No.3, pp. 215-224, 2019, DOI:10.32604/biocell.2019.07549

    Abstract Abiotic stresses, such as drought and salinity, adversely affect plant growth and productivity. Comparison between non transgenic and transgenic rice harboring CaMsrB2 gene, which induces tolerance to abiotic stress, is important to observe response of gene under abiotic stress. Phytohormone showed a tendency to increase under the drought stress or salinity stress in the transgenic plant. RT-PCR analysis showed that gene expression and phytohormone levels under abiotic stress, to be closely related. The CaMsrB2 gene is related to the expression of JA and ABA hormones. Therefore, the level of expression of these genes and hormones was observed. The transcription levels… More >

  • Open Access

    ARTICLE

    Nerve growth factor alleviates cerebral infarction and neurologic deficits by regulating VEGF, SDF-1 and S100A12 expression through PI3K pathway

    Zheng LI1, §, Zhongle ZHAO2, §, Peng ZHANG3

    BIOCELL, Vol.43, No.3, pp. 183-190, 2019, DOI: 10.32604/biocell.2019.06922

    Abstract Stroke remains the leading cause of death and disability worldwide, which destroys the quality of patients’ lives and thus is becoming a heavy burden to the society. However, the current therapeutic approaches are far from satisfaction. The objective of this study is to elucidate the impact of nerve growth factor (NGF) on the brain damage induced by cerebral ischemia and its potential molecular mechanism. Middle cerebral artery occlusion (MCAO) rats were used as animal models and neurological functions were evaluated by modified Neurological Severity Score (NSS). Brain cell apoptosis was analyzed by TUNEL-positive staining while brain infarct size was determined… More >

  • Open Access

    ARTICLE

    Green Synthesis of Bimetallic Nanoparticles From Prosopis juliflora (Sw) DC., and Its Effect Against Cotton Mealybug, Phenacoccus solenopsis (Hemiptera: Pseudococcidae)

    V. Mendez-Trujillo1, B. Valdez-Salas2, M. Carrillo-Beltran2, M. A. Curiel-Alvarez2, O. Tzintzun-Camacho3, C. Ceceña-Duran3 and D. Gonzalez-Mendoza3,*

    Phyton-International Journal of Experimental Botany, Vol.88, No.3, pp. 269-275, 2019, DOI:10.32604/phyton.2019.07316

    Abstract Phenacoccus solenopsis has been recognized as an aggressively invasive species on cotton plants in different countries. This study was conducted to investigate the effect of green synthesized Cu/Zn-nanoparticles using aqueous leaf extract of Prosopis juliflora (mezquite) against P. solenopsis. The scanning electron microscope (SEM) showed bimetallic nanoparticles of Cu/Zn-NPs with spherical shape with varying size of 74.33 nm to 59.46 nm. More than 30% mortality of P. solenopsis was observed with Cu/Zn-nanoparticles (100 ppm) at 96 hours after treatment. Negligible mortality of P. solenopsis was recorded with Cu/Zn solution (100 ppm) and aqueous P. juliflora extracts. The results of the… More >

  • Open Access

    ARTICLE

    Effect of Eugenia winzerlingii Extracts on Bemisia tabaci and Evaluation of its Nursery Propagation

    A. Cruz-Estrada1,2, E. Ruiz-Sánchez2, I.L. Medina Baizabal1, E. Balam-Uc1 and M. Gamboa-Angulo1,*

    Phyton-International Journal of Experimental Botany, Vol.88, No.2, pp. 161-170, 2019, DOI:10.32604/phyton.2019.05809

    Abstract The development of plant-derived products to control Bemisia tabaci Genn. (Hemiptera: Aleyrodidae) is an urgent need for production of horticultural crops. Plant extracts and essential oils of several species of the genus Eugenia (Myrtaceae) have shown insecticidal activity. In southern Mexico, leaf extracts from Eugenia winzerlingii showed nematicidal effect but its insecticidal properties have not been explored. Therefore, the objective of this study was to evaluate the insecticidal effect of aqueous and organic extracts from E. winzerlingii leaves on B. tabaci egg, nymph and adult stages, and else to explore its nursery propagation. Then, extracts of this species were obtained… More >

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