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Photocatalytic degradation of methylene blue by nanostructured Fe/FeS powder under visible light

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International Journal of Minerals,Metallurgy and Materials 2018年第2期25卷 244-252页

作者： Hassan Esmaili Amir Kotobi Saeed Sheibani fereshteh rashchi School of Metallurgy and Materials Engineering College of Engineering University of Tehran

The photocatalytic performance of mechano-thermally synthesized Fe/FeS nanostructures formed from micron-sized starting materials was compared with that of a thermally synthesized nanostructure with nano-sized precursors in this paper. The properties of as-synthesized materials were studied by X-ray diffraction（XRD）, transmission electron microscopy（TEM）, vibrating sample magnetometry（VSM）, diffuse reflectance spectroscopy（DRS）, and ultraviolet–visible（UV-Vis） spectroscopy. The effects of irradiation time, methylene blue（MB） concentration, catalyst dosage, and p H value upon the degradation of MB were studied. Magnetic properties of the samples showed that both as-synthesized Fe/FeS photocatalysts are magnetically recoverable, eliminating the need for conventional filtration steps. Degradation of 5 ppm of the MB solution by mechano-thermally synthesized Fe/FeS with a photocatalyst dosage of 1 kg/m^3 at pH 11 can reach 96% after 12 ks irradiation under visible light. The photocatalytic efficiency is higher in alkaline solution. The kinetics of photocatalytic degradation in both samples is controlled by a first-order reaction. However, the rate-constant value in the thermally synthesized Fe/FeS photocatalyst sample is only 1.5 times greater than that of the mechano-thermally synthesized one.

关键词： photocatalytic degradation iron sulfide nanoparticles kinetics methylene blue visible light

Kinetic modeling of copper bioleaching from low-grade ore from the Shahrbabak Copper Complex

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International Journal of Minerals,Metallurgy and Materials 2017年第6期24卷 611-620页

作者： Saman Beikzadeh Noei Saeed Sheibani fereshteh rashchi Seyed Mohammad Javad Mirazimi School of Metallurgy and Materials Engineering College of Engineering University of Tehran Tehran 13145-1318 Iran

The copper recovery from low-grade copper sulfide ore was investigated using microbial leaching. Several parameters substantially affect the bioleaching of copper; among them, pulp density and nutrient media were selected for investigation. The optimum conditions for copper recovery were a pulp density of 5 g/mL, a mixed-mineral salt medium of Acidithiobacillus thiooxidans(70vol%) and Acidithiobacillus ferrooxidans(30vol%), and 10vol% of inoculum. Under these conditions, the maximum bioleaching capacity of the medium for copper recovery was determined to be approximately 99%. The effect of pulp density on the kinetics of the bioleaching process was surveyed using both da Silva's method and constrained multilinear regression analysis. The kinetics of copper dissolution followed the shrinking core model, and the process was diffusion controlled at a pulp density of 5 g/mL. Nevertheless, at higher pulp densities, the process was controlled by chemical reaction.

关键词： bioleaching kinetics modeling copper mesophilic bacteria

Breeding maize of ideal plant architecture for high-density planting tolerance through modulating shade avoidance response and beyond

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Journal of Integrative Plant Biology 2024年第5期66卷 849-864页

作者： fereshteh Jafari Baobao Wang Haiyang Wang Junjie Zou Biotechnology Research Institute Chinese Academy of Agricultural SciencesBeijing 100081China Graduate School of Chinese Academy of Agricultural Sciences Beijing 100081China National Nanfan Research Institute CAASSanya 572025China State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources College of Life SciencesSouth China AgriculturalUniversityGuangzhou 510642China

Maize is a major staple crop widely used as food,animal feed,and raw materials in industrial ***-density planting is a major factor contributing to the continuous increase of maize ***,high planting density usually triggers a shade avoidance response and causes increased plant height and ear height,resulting in lodging and yield *** plant height and ear height,more erect leaf angle,reduced tassel branch number,earlier flowering,and strong root system architecture are five key morphological traits required for maize adaption to high-density *** this review,we summarize recent advances in deciphering the genetic and molecular mechanisms of maize involved in response to high-density *** also discuss some strategies for breeding advanced maize cultivars with superior performance under high-density planting conditions.

关键词： flowering time high-density planting leaf angle maize plant architecture plant height/ear height root architecture tasselbranch

Correction:Integration of light and hormone signaling pathways in the regulation of plant shade avoidance syndrome

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aBIOTECH 2024年第1期5卷 115-115页

作者： Yang Liu fereshteh Jafari Haiyang Wang Biotechnology Research Institute Chinese Academy of Agricultural SciencesBeijing 100081China State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources South China Agricultural UniversityGuangzhou 510642China Guangdong Laboratory for Lingnan Modern Agriculture Guangzhou 510642China

Correction:aBI0TECH(2021)2:131-145 https://doi.0rg/10.1007/s42994-021-00038-1 In this article the author's name fereshteh Jafari was incorrectly written as Feresheeh *** original article has been *** Access This article is licensed under a Creative Commons Attribution 4.0 International License,which permits use,sharing,adaptation,distribution and reproduction in any medium or format.

关键词： Integration Open Creative

Proteomic analysis of ferroptosis pathways reveals a role of CEPT1 in suppressing ferroptosis

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Protein & Cell 2024年第9期15卷 686-703页

作者： Xiaoguang Liu Zhen Chen Yuelong Yan fereshteh Zandkarimi Litong Nie Qidong Li Amber Horbath Kellen Olszewski Lavanya Kondiparthi Chao Mao Hyemin Lee Li Zhuang Masha Poyurovsky Brent RStockwell Junjie Chen Boyi Gan Department of Experimental Radiation Oncology The University of Texas MD Anderson Cancer CenterHoustonTX 77030USA Department of Biological Sciences and Department of Chemistry Columbia UniversityNew YorkNY 10027USA Kadmon Corporation LLC(A Sanofi Company)New YorkNY 10016USA The University of Texas MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences HoustonTX 77030USA The Barer Institute PhiladelphiaPA 19104USA

Ferroptosis has been recognized as a unique cell death modality driven by excessive lipid peroxidation and unbalanced cellular *** this study,we established a protein interaction landscape for ferroptosis pathways through proteomic analyses,and identified choline/ethanolamine phosphotransferase 1(CEPT1)as a lysophosphatidylcholine acyltransferase 3(LPCAT3)-interacting protein that regulates LPCAT3 protein *** contrast to its known role in promoting phospholipid synthesis,we showed that CEPT1 suppresses ferroptosis potentially by interacting with phospholipases and breaking down certain pro-ferroptotic polyunsaturated fatty acid(PUFA)-containing ***,our study reveals a previously unrecognized role of CEPT1 in suppressing ferroptosis.

关键词： proteomics ferroptosis CEPT1 LPCAT3

Diagnosis of choroid plexus papilloma: Current perspectives and future directions

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Cancer Pathogenesis and Therapy 2024年第3期2卷 173-179页

作者： Esma'il Akade fereshteh Aslani Kimia Verdi Mohammad Bahadoram Gholam Abbas Kaydani Department of Medical Virology School of MedicineAhvaz Jundishapur University of Medical SciencesAhvaz ***Iran Department of Laboratory Sciences School of Allied Medical SciencesAhvaz Jundishapur University of Medical SciencesAhvaz ***Iran Department of Physiology School of MedicineAhvaz Jundishapur University of Medical SciencesAhvaz ***Iran Department of Neurology School of MedicineAhvaz Jundishapur University of Medical SciencesAhvaz ***Iran

Choroid plexus papilloma(CPP)is a rare,slow-growing,and typically benign brain tumor that predominantly affects *** is characterized by well-defined circular or lobulated masses in the ventricles,leading to symptoms related to increased intracranial pressure and *** diagnosis relies on a combination of clinical presentation,imaging findings,and histological *** World Health Organization(WHO)classification categorizes choroid plexus tumors into CPP(Grade Ⅰ),atypical CPP(aCPP,Grade Ⅱ),and choroid plexus carcinoma(CPC,Grade Ⅲ).This article reviewed current diagnostics modalities and explored the emergence of new diagnostic methods for *** on molecular markers and genetic alterations associated with CPP is ongoing,and some potential markers have been *** results offered insights into potential therapeutic targets and personalized treatment approaches for *** in radiomics and liquid biopsy hold promise for improving diagnostic accuracy and monitoring treatment outcomes for choroid plexus *** can provide quantitative data from imaging studies,whereas liquid biopsy can analyze tumor-derived genetic material and molecular markers from body fluids,such as cerebrospinal fluid(CSF)and *** rapidly evolving fields of molecular and genetic research and novel diagnostic methods require continuous updates and advancements before their application in clinical *** hope that these advancements will lead to earlier and more precise diagnoses,better treatment options,and improved outcomes in patients with CPP and other brain tumors.

关键词： Cerebral ventricle neoplasms Biomarkers Neuroimaging Translational research Histopathological features

Ni catalysts supported on nanocrystalline magnesium oxide for syngas production by CO_2 reforming of CH_4

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Journal of Natural Gas Chemistry 2011年第2期20卷 198-203页

作者： fereshteh Meshkani Mehran Rezaei Catalyst and Advanced Materials Research Laboratory Chemical Engineering Department Faculty of Engineering University of Kashan Institute of Nanoscience and Nanotechnology University of Kashan

CO2 reforming of methane （CDRM） was carried out over MgO supported Ni catalysts with various Ni loadings. The preparation of MgO supported Ni catalysts via surfactant-assisted precipitation method led to the formation of a nanocrystalline carrier for nickel catalysts. The synthesized samples were characterized by XRD, N2 adsorption-desorption, H2 chemisorption, TPR, TPO and SEM techniques. It was found that the high catalytic activity and stability of the prepared catalysts could be attributable to high dispersion of reduced Ni species and basicity of support surface. In addition, the effect of feed ratio, nickel loading and GHSV on the catalytic performance of CDRM over the catalysts were investigated.

关键词： nanocrystalline MgO nickel catalyst dry reforming syngas

A New Insight into Energy Distribution of Electrons in Fuel-Rod Gap in VVER-1000 Nuclear Reactor

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Plasma Science and Technology 2015年第6期17卷 441-447页

作者： fereshteh GOLIAN Ali PAZIRANDEH Saeed MOHAMMADI Payam Noor University Science & Research Branch Islamic Azad University

In order to calculate the electron energy distribution in the fuel rod gap of a VVER- 1000 nuclear reactor, the Fokker-Planck equation （FPE） governing the non-equilibrium behavior of electrons passing through the fuel-rod gap as an absorber has been solved in this paper. Besides, the Monte Carlo Geant4 code was employed to simulate the electron migration in the fuel-rod gap and the energy distribution of electrons was found. As for the results, the accuracy of the FPE was compared to the Geant4 code outcomes and a satisfactory agreement was found. Also, different percentage of the volatile and noble gas fission fragments produced in fission reactions in fuel rod, i.e. Krypton, Xenon, Iodine, Bromine, Rubidium and Cesium were employed so as to investigate their effects on the electrons＇ energy distribution. The present results show that most of the electrons in the fuel rod＇s gap were within the thermal energy limitation and the tail of the electron energy distribution was far from a Maxwellian distribution. The interesting outcome was that the electron energy distribution is slightly increased due to the accumulation of fission fragments in the gap. It should be noted that solving the FPE for the energy straggling electrons that are penetrating into the fuel-rod gap in the VVER-1000 nuclear reactor has been carried out for the first time using an analytical approach.

关键词： plasma electron energy distribution function Langevin approach based onFokker-Planck equation Geant4 Monte Carlo code

Spectral-spatial Classification of Hyperspectral Images Using Signal Subspace Identification and Edge-preserving Filter

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International Journal of Automation and computing 2020年第2期17卷 222-232页

作者： Negin Alborzi fereshteh Poorahangaryan Homayoun Beheshti Department of Computer Engineering Faculty of Electrical and Computer EngineeringAyandegan Institute of Higher Education in TonekabonMazandaran ***Iran Department of Electrical Engineering Faculty of Electrical and Computer EngineeringAyandegan Institute of Higher Education in TonekabonMazandaran ***Iran

Hyperspectral images in remote sensing include hundreds of spectral bands that provide valuable information for accurately identify *** this paper,a new method of classifying hyperspectral images using spectral spatial information has been ***,using the hyperspectral signal subspace identification(HYSIME)method which estimates the signal and noise correlation matrix and selects a subset of eigenvalues for the best representation of the signal subspace in order to minimize the mean square error,subsets from the main sample space have been *** subspace extraction with the help of the HYSIME method,the edge-preserving filtering(EPF),and classification of the hyperspectral subspace using a support vector machine(SVM),results were then merged into the decision-making level using majority rule to create the spectral-spatial *** simulation results showed that the spectral-spatial classifier presented leads to significant improvement in the accuracy and validity of the classification of Indiana,Pavia and Salinas hyperspectral images,such that it can classify these images with 98.79%,98.88% and 97.31% accuracy,respectively.

关键词： Hyperspectral image remote sensing the hyperspectral signal subspace identification(HYSIME) edge-preserving filter classification support vector machine