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  • Open Access

    PROCEEDINGS

    Three-Dimensionally Printed Transition Metal Catalysts with Hierarchically Porous Structures for Wastewater Purification

    Sheng Guo1,2,*, Mengmeng Yang1, Yao Huang2, Xizi Gao1, Chao Cai3,*, Kun Zhou4,5,*

    The International Conference on Computational & Experimental Engineering and Sciences, Vol.30, No.4, pp. 1-1, 2024, DOI:10.32604/icces.2024.012655

    Abstract 3D printing technology has demonstrated considerable potential in wastewater remediation. Zero-valent metal (ZVM) has been recognized as an efficient catalyst facilitating the organic pollutant degradation in water. However, owing to its inclination toward oxidation and aggregation, the practical utilization of ZVM remains a challenge. Herein, we have employed 3D printing techniques to fabricate hierarchically porous ZVM, such as zero-valent copper and zero-valent iron, which exhibit a high level of printing precision and commendable resistance to compression. These 3D-ZVM catalysts can effectively activate peroxymonosulfate (PMS), thereby degrading various organic pollutants, including tetracycline, ciprofloxacin, rhodamine B, and… More >

  • Open Access

    ARTICLE

    Design and Implementation of Quantum Repeaters: Insights on Quantum Entanglement Purification

    Karoki A. Mũgambi*, Geoffrey O. Okeng’o

    Journal of Quantum Computing, Vol.5, pp. 25-40, 2023, DOI:10.32604/jqc.2023.045654 - 12 December 2023

    Abstract Quantum communication is a groundbreaking technology that is driving the future of information transmission and communication technologies to a new paradigm. It relies on quantum entanglement to facilitate the transmission of quantum states between parties. Quantum repeaters are crucial for facilitating long-distance quantum communication. These quantum devices act as intermediaries between adjacent communication channel segments within a fragmented quantum network, allowing for entanglement swapping between the channel segments. This entanglement swapping process establishes entanglement links between the endpoints of adjacent segments, gradually creating a continuous entanglement connection over the entire length of the transmission channel. More >

  • Open Access

    ARTICLE

    Enhancing the Effectiveness of Trimethylchlorosilane Purification Process Monitoring with Variational Autoencoder

    Jinfu Wang1, Shunyi Zhao1,*, Fei Liu1, Zhenyi Ma2

    CMES-Computer Modeling in Engineering & Sciences, Vol.132, No.2, pp. 531-552, 2022, DOI:10.32604/cmes.2022.019521 - 15 June 2022

    Abstract In modern industry, process monitoring plays a significant role in improving the quality of process conduct. With the higher dimensional of the industrial data, the monitoring methods based on the latent variables have been widely applied in order to decrease the wasting of the industrial database. Nevertheless, these latent variables do not usually follow the Gaussian distribution and thus perform unsuitable when applying some statistics indices, especially the T2 on them. Variational AutoEncoders (VAE), an unsupervised deep learning algorithm using the hierarchy study method, has the ability to make the latent variables follow the Gaussian More >

  • Open Access

    ARTICLE

    Effects of two vectors on the expression of the NbNAC1 transcription factor and preparation of its polyclonal antibody

    FENG ZHU*, QINQIN ZHANG, YANGKAI ZHOU, QIPING ZHANG, MENGYAO CAO, ZHAOLIN JI

    BIOCELL, Vol.46, No.9, pp. 2123-2131, 2022, DOI:10.32604/biocell.2022.020229 - 18 May 2022

    Abstract The NAC (NAM, ATAF, and CUC) superfamily is one of the largest plant-specific families containing transcription factors. An increasing number of studies suggest that NAC1 is involved in plants response to different biotic and abiotic stimulis. Nicotiana benthamiana is a widely used system for evaluating plant-pathogen interactions. In order to study the biochemical function of NbNAC1, NbNAC1 protein and antibody are essential. Therefore, we focused on developing a prokaryotic expression system for producing the Nicotiana benthamiana NbNAC1 protein of in Escherichia coli and the preparation of its polyclonal antibody. Firstly, we constructed two different molecular weight prokaryotic expression More >

  • Open Access

    ARTICLE

    Isolation, purification and structure elucidation of three new bioactive secondary metabolites from Streptomyces lividans AM

    MOHAMMAD EL-METWALLY1,*, MAMDOUH ABDEL-MOGIB2, MANAL ELFEDAWY2, GAAD SOHSAH2, AHMED REZK3, MAHMOUD MOUSTAFA4, MOHAMED SHAABAN5,6

    BIOCELL, Vol.45, No.5, pp. 1263-1271, 2021, DOI:10.32604/biocell.2021.013198 - 12 July 2021

    Abstract Microorganisms are a huge mine of bioactive metabolites, and actinomycetes are one of the very active groups in this area. In this article, we are concerned about the full taxonomical characterization of Streptomyces lividans AM, isolated from Egyptian soil. This isolate produced three new bioactive metabolites, namely: 1-Nona-decanoyl,4-oleyl disuccinate (1), filoboletic acid; (9Z,11E)-8,13-dihydroxy octadeca-9,11-dienoic acid (2), and sitosteryl-3β-D-glucoside (3). Extensive 1D and 2D NMR and HR-mass spectrometry were used to elucidate the structures of the three compounds. Moreover, ten known compounds were also identified. The antimicrobial activity of the producing organism and newly reported compounds (1–3) More >

  • Open Access

    ARTICLE

    STUDY ON THE LIFETIME OF CATALYST IN CATALYTIC COMBUSTION FURNACE OF NATURAL GAS AND APPLICATIONS OF HEATING POTTERY

    Shihong Zhang* , Hui Yang

    Frontiers in Heat and Mass Transfer, Vol.12, pp. 1-5, 2019, DOI:10.5098/hmt.12.6

    Abstract This article discussed the lifetime of catalyst on cost effect for catalytic combustion furnace and applications of pottery heated by catalytic combustion furnace in purification water. The time of start-up process rises with the increase of the number of ignition. The catalyst sintering was remarkable. By reducing the number of ignition and adjusting the temperature rise uniformly in the furnace, the efficient utilization of thermal energy could be realized to saving production cost and extending the lifetime of catalyst. With exquisite and even-textured surface the pottery had striking purification effect on water. The water purification More >

  • Open Access

    ARTICLE

    Impact of pituitary FSH purification on in vitro early folliculogenesis in goats

    D.M. MAGALHÃES1*, V.R. ARAÚJO1, I.B. LIMA-VERDE1, M.H.T. MATOS1, R.C. SILVA2, C.M. LUCCI2, S.N. BÁO2, C.C. CAMPELLO1, J.R. FIGUEIREDO1

    BIOCELL, Vol.33, No.2, pp. 91-97, 2009, DOI:10.32604/biocell.2009.33.091

    Abstract Porcine pituitary follicle stimulating hormone (pFSH) is known to regulate the production of growth factors that have an essential role in early foliculogenesis. However, the effects of different preparations of pFSH on the survival and development of caprine follicles are not yet known. The aim of this study was to evaluate the effects of different pFSH (Stimufol® and Folltropin®) on the in vitro survival and growth of caprine preantral follicles. Pieces of caprine ovarian tissues were cultured for either one or seven days in a supplemented Minimum Essential Medium, alone or containing either Stimufol® (50 ng/mL) or Folltropin®More >

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