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Fe3O4@SiO2 nanoflakes synthesized using biogenic silica from Salacca zalacca leaf ash and the mechanistic insight into adsorption and photocatalytic wet peroxidation of dye Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Gani Purwiandono,Is Fatimah,Imam Sahroni,Putwi Widya Citradewi,Azlan Kamari,Suresh Sagadevan,Won-Chun Oh,Ruey-an Doong
Abstract Water pollution has become one of the most serious environmental issues recently, especially in relation to chemical-containing wastewater. Uncontrolled industrial waste, including large amounts of dye-containing wastewater from textile industries, needs intensive attention. In this work, the synthesis of Fe3O4@SiO2 nanocomposite biogenic silica from Salacca zalacca leaf ash was conducted
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Slow pyrolysis of waste navel orange peels with metal oxide catalysts to produce high-grade bio-oil Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Wei Zhang,Hongying Xia,Yong Deng,Qi Zhang,Chunfu Xin
Abstract Renewable biomass resources have become increasingly attractive in recent years. In this study, the pyrolysis of waste navel orange peels was carried out with different metal oxides (Cu2O, CaO, V2O5, Fe2O3, and ZnO) in a tube furnace to obtain high-quality bio-oil, from which high-value chemicals such as 3-furaldehyde could be well recovered to enhance the economic value of waste navel orange
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Optimization of biochar preparation process and carbon sequestration effect of pruned wolfberry branches Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Jiawen Yu,Mingdan Song,Zhengpeng Li
Abstract Pruned wolfberry branches are abundant and ideal raw material for biomass carbonization. It would provide valuable guidance for optimizing the preparation conditions of biochar of pruned wolfberry branches for carbon sequestration and emission reduction. This study adopted a single-factor experiment and response surface method (RSM) using reaction temperature and holding time as factors, and
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Catalytic performance of Na/Ca-based fluxes for coal char gasification Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Tao Liu,Lirui Mao,Facun Jiao,Chengli Wu,Mingdong Zheng,Hanxu Li
Abstract Flux, able to improve the ash fusibility, usually contains catalytic metal compounds. Unfortunately, the quantitative analysis of synergistic catalysis effects between different fluxing agents on coal gasification has not been investigated thoroughly. In this study, the effect of the kinds and content of Na/Ca-based fluxes on char gasification was investigated in thermogravimetry analyzer
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Effect of direct coal liquefaction residue on the properties of fine blue-coke-based activated coke Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Yuhong Tian,Qiaoxia Ren,Xueru Bai,Bailong Liu,Xiande Jing,Xinzhe Lan
Abstract Activated coke was obtained by CO2 activation with disused fine blue-coke serving as the main raw material and direct coal liquefaction residue (DCLR) as binder. The effect of the dosage and activation temperature of DCLR on the compressive strength of active coke and desulfurization were mainly investigated. The experimental results showed that the compressive strength of the activated coke
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Preparation of the micro-size flake silver powders by using a micro-jet reactor Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Jun Li,Na Li,Xiaoxi Wan,Shihong Tian,Jianhua Liu,Lei Xu,Qin Wang,Shaohua Ju
Abstract The micro-size flake silver powders were prepared through wet-chemical reduction method by using a micro-jet reactor. Herein ascorbic acid was used as a reducing agent, and sulfuric acid was used as a stabilizer. And the lauric acid was used as a dispersing agent to prevent particles’ agglomeration. The micro-jet reactor collides the two solutions together and uniformly mixes outside the reactor
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Synthesis, microstructure, and phase transition characteristics of Gd/Nd-doped nano VO2 powders Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Bin Wang,Dandan Zhao,Jinjing Du,Linbo Li,Jun Zhu,Chao Wang
Abstract The nano VO2 powders were prepared by hydrothermal synthesis. The effects of Gd and Nd element doping on the structure and phase transition temperature of VO2 were studied. The X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Scanning electron microscopy (SEM), and Transmission electron microscopy (TEM) results showed that Gd element and Nd element will affect the structure
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Calcium oxide addition and ultrasonic pretreatment-assisted hydrothermal carbonization of granatum for adsorption of lead Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Jinfeng Geng,Xiangchao Tang,Jie Xu
Abstract Hydrochar is a promising adsorbent for the removal of heavy metals, but the low surface area limits the removal efficiency and practical application. Therefore, improving the surface area of the hydrochar is critical to increasing the adsorbent removal. In this study, the ultrasonic pretreatment of biomass (10‒30 min) and CaO addition (5‒15%) were adopted to assist the hydrothermal carbonization
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Effect of stabilizers on Mn ZnSe quantum dots synthesized by using green method Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Van Khiem Nguyen,Duy Khanh Pham,Ngoc Quyen Tran,Le Hang Dang,Ngoc Hoa Nguyen,Thanh Mien Nguyen,Nguyen Thanh Viet,Jin-Woo Oh,Thi-Diem Bui,Bich Thi Luong
Abstract Herein, the effect of three types of capping polymers, mercaptopropionic acid (MPA), polyethylene glycol (PEG), and starch on the photoluminescence of Mn(2+)-doped ZnSe (ZnSe:Mn) nanoparticles, has been investigated. ZnSe:Mn nanoparticles were successfully prepared with a green method of precipitation in aqueous solutions containing MPA, PEG, or starch as stabilizers. The X-ray photoelectron
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Biosynthesis and characterization of silver nanoparticles prepared using seeds of Sisymbrium irio and evaluation of their antifungal and cytotoxic activities Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Humaira Rizwana,Najat A. Bokahri,Ahmed Alfarhan,Horiah A. Aldehaish,Noura S. Alsaggabi
Abstract Recent studies have shown that green synthesis of silver nanoparticles (AgNPs) and their application in the control of phytopathogenic fungi is a burgeoning field. Sisymbrium irio (Si) (London rocket) is a well-known weed that grows abundantly in Saudi Arabia from February to May. The present study is concerned with the rapid synthesis of silver nanoparticles from the aqueous seed extract
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Influence of biosynthesized silver nanoparticles using red alga Corallina elongata on broiler chicks’ performance Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Niamat M. El-Abd,Ragaa A. Hamouda,Turki M. Al-Shaikh,Marwa Salah Abdel-Hamid
Abstract Poultry meat is a great source of protein and provides lots of nutrients such as iodine, iron, zinc, vitamins, and essential fatty acids that humans require. The positive applications of metal nanoparticles (NPs) in the diets of various poultry species were studied, in relation to their metabolic, antibacterial effects on digestion and regulation of bowel function. This study was carried out
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Green synthesis of manganese-doped superparamagnetic iron oxide nanoparticles for the effective removal of Pb(ii) from aqueous solutions Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Ata Ur Rehman,Uzma Sharafat,Saima Gul,Murad Ali Khan,Sher Bahadar Khan,Muhammad Ismail,M. I. Khan
Abstract In the current study, pure and manganese-doped superparamagnetic iron oxide nanoparticles (Mn-doped SPIONPs) were successfully prepared by a green approach using a fresh aqueous extract of Asparagus officinalis as a reducing and stabilizing agent. Magnetic behaviors of pure and Mn-doped SPIONPs were measured at room temperature against various field strengths by a vibrating sample magnetometer
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Anti-colon cancer activities of green-synthesized Moringa oleifera–AgNPs against human colon cancer cells Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Arwa Althomali,Maha H. Daghestani,Fatimah Basil Almukaynizi,Sabah Ahmed Al-Zahrani,Manal A. Awad,Nada M. Merghani,Wadha I. Bukhari,Eiman M. Ibrahim,Sherifah M. Alzahrani,Nouf Altowair,Afaf S. AL-Ghamdi,Asma M. AlQahtani,Rasha Ramadan,Ramesa Shafi Bhat
Abstract The anticancer activity of silver nanoparticles (AgNPs) is well known to be synthesized using green-synthesized methods, although its mechanism of action is not understood fully. Moringa oleifera leaves were used as reducing and stabilizing agents to synthesize AgNPs. Green-synthesized AgNPs were characterized using ultraviolet-visible spectroscopy, dynamic light scattering, transmission electronic
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Biomediated synthesis of ZnO quantum dots decorated attapulgite nanocomposites for improved antibacterial properties Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Fangfang Yang,Yameng Song,Qin Wang,Yan Liu,Aiqin Wang
Abstract Attapulgite (APT) is a natural one-dimensional clay mineral with good biocompatibility and has emerged as a promising nanomaterial for the construction of performance-enhanced nanocomposites. In this study, we developed a ZnO quantum dots-incorporated APT antibacterial nanocomposite by the Aloe vera extract-mediated green route. With the combined assistance of binding interactions of ZnO nuclei
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Desalination technology for energy-efficient and low-cost water production: A bibliometric analysis Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Muhammad Nihal Naseer,Asad A. Zaidi,Hamdullah Khan,Sagar Kumar,Muhammad Taha Bin Owais,Yasmin Abdul Wahab,Kingshuk Dutta,Juhana Jaafar,Muhammad Uzair,Mohd Rafie Johan,Irfan Anjum Badruddin
Abstract Over the last few decades, steady growth in desalination literature has been observed. However, conducting a quantitative analysis of this literature is still a novelty. This study aimed at carrying out a quantitative analysis of desalination literature published during the last 30 years, using bibliometric and content analysis techniques, based on the Web of Science database. The bibliometric
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Phosphorus removal from aqueous solution by adsorption using wetland-based biochar: Batch experiment Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 QiaoLing Xu,Li Wang,Minxia Tan,Xiaolei Wang,Jiajie Li,Hejun Geng
Abstract This article experiments wetland-based biochar as an effective adsorbent for phosphorus removal. In this experiment, four common wetland plants, canna (C), umbrella palm (U), bamboo reed (B), and Thalia dealbata (T), were used as the main raw materials. Twelve kinds of biochar (C300, C500, C700, U300, U500, U700, B300, B500, B700, T300, T500, and T700) were obtained at three pyrolysis temperatures
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Developing a plastic cycle toward circular economy practice Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Tuyet T. A. Nguyen,Yen T. Ta,Prasanta K. Dey
Abstract This study develops a plastic cycle toward circular economy practice in Vietnam. First, we analyze inter-relationships between economic sectors and environmental issues concerning plastic waste in 2018. The research method integrates interdisciplinary balance with life cycle inventory, in which input–output (IO) table is both an econometric tool and original database to determine plastic IO
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Green synthesis, characterization, cytotoxicity, and antimicrobial activity of iron oxide nanoparticles using Nigella sativa seed extract Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Hassan Al-Karagoly,Atiaf Rhyaf,Hala Naji,Salim Albukhaty,Faizah A. AlMalki,Amal A. Alyamani,Jawaher Albaqami,Salman Aloufi
Abstract Green synthesis of nanoparticles (NPs) is a more sustainable, safe, and environmentally friendly method. This study aimed to investigate the synthesis procedure of iron oxide nanoparticles (IONPs) using the seed extract of Nigella sativa (N. sativa) as a strong reducing agent and to estimate their cytotoxic and antibacterial properties. The obtained IONPs were characterized by field-emission
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Malachite green dye removal using ceramsite-supported nanoscale zero-valent iron in a fixed-bed reactor Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Tianpeng Li,Hongkai Chen,Zhengqing Wang,Huadong Ding,Ce Xiao,Ce Li,Tingting Sun
Abstract In this study, we prepared and characterized ceramsite-supported nanoscale zero-valent iron (nZVI). Malachite green (MG) dye removal from aqueous solutions using a fixed-bed reactor packed with the above composite material was investigated. This research was carried out according to the prophase study of the preparation and characterization of ceramsite material for water treatment using sintering
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Vitamin supplements enhance Spirulina platensis biomass and phytochemical contents Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Ragaa A. Hamouda,Neveen G. El-Boraey,Badr E. El Bialy,Salma Saleh Alrdahe,Doaa Bahaa Eldin Darwish
Abstract Spirulina platensis (SP) has a high impact on multidiscipline usage worldwide. Vitamins are considered as growth promoters due to their metabolic bio-regulating roles. This study was conducted to investigate the effect of vitamins: riboflavin (B2), thiamine (B1), and ascorbic acid (C) on SP growth and contents of pigments, phenols, and phytochemicals besides its antioxidant activities. Vitamins
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Fabrication of CsPb1−x Mn x Br3−2x Cl2x (x = 0–0.5) quantum dots for near UV photodetector application Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Ba-Duc Tran,Phuong-Nam Tran,Xuan-Thanh Bui,Duy-Hung Nguyen,Thanh-Tung Duong
Abstract In this study, CsPb1–x Mn x Br3–2x Cl2x (x = 0–0.5) nanoparticles were synthesized directly in toluene solvents at high temperature. This approach results in small-size nanoparticles, which can be used in photoelectric components without adding a filtration process to eliminate high-temperature solvents such as octadecene. The high content Mn2+-incorporated CsPb(Cl/Br)3 host is observed by
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Anti-asthmatic activity of Saudi herbal composites from plants Bacopa monnieri and Euphorbia hirta on Guinea pigs Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Muhammad Musthafa Poyil,Mohammed H. Karrar Alsharif,Vidya Devanathadesikan Seshadri
Abstract Asthma, the respiratory disorder associated with bronchial hyper-responsiveness, affected 300 million people across the globe, with a prevalence of 4.05% in Saudi Arabia and causing 61.6% of hospital emergency room annual visits. Increased side effects of conventional drugs demand the necessity for the development of natural drugs. In this study, an herbal composite from Bacopa monnieri and
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Integration of microwave co-torrefaction with helical lift for pellet fuel production Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Kah Yein Cheong,Sieng Huat Kong,Rock Keey Liew,Chee Chung Wong,Chee Swee Wong,Heng Jong Ngu,Peter Nai Yuh Yek
Abstract The heating performance of empty fruit bunch pellets (EFBPs) has been limited by its low energy density, high moisture, and ash content. Hence, microwave co-torrefaction (MCT) was performed with microwave heating unto waste oil mixed EFBP to produce high-energy biofuel. However, the non-homogeneous electromagnetic fields distribution in the microwave cavity results in an uneven heating behavior
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Stomach-affecting intestinal parasites as a precursor model of Pheretima posthuma treated with anthelmintic drug from Dodonaea viscosa Linn. Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Rajesh Pandiyan,Sumathi C. Samiappan,Abimanyu Sugumaran,Subpiramaniyam Sivakumar
Abstract The preponderance of helminth contagions is constrained to tropical regions and can cause massive vulnerability to malnutrition, anemia, pneumonia, and eosinophilia. Many human parasitic diseases cause severe illness in endemic populations. The helminths transmitting through the gastro-intestinal tract may develop resistance to anthelmintic drugs. The phytotherapy, anthelmintic, and antimicrobial
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Cytotoxicity of green-synthesized silver nanoparticles by Adansonia digitata fruit extract against HTC116 and SW480 human colon cancer cell lines Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Fatimah Basil Almukaynizi,Maha H. Daghestani,Manal A. Awad,Arwa Althomali,Nada M. Merghani,Wadha I. Bukhari,Norah M. Algahtani,Shatha S. Al-Zuhairy,Ahlam M. ALOthman,Eman A. Alsenani,Badrih O. Alojayan,Khulud S. Al-Saif,Ramesa Shafi Bhat
Abstract Nanoparticles synthesized from plants are being explored for cancer treatment therapies all over the world. This study reported the eco-friendly and low-cost method for the green synthesis of silver nanoparticles (AgNPs) from Adansonia digitata fruit as a reducing and capping agent. The anti-cancer potential of synthesized particles was explored against HTC116 and SW480 colon cancer cell lines
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A low-cost and eco-friendly fabrication of an MCDI-utilized PVA/SSA/GA cation exchange membrane Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Hoang Long Ngo,Ngan Tuan Nguyen,Thi Thanh Nguyen Ho,Hoang Vinh Pham,Thanh Nhut Tran,Le Thanh Nguyen Huynh,Thi Nam Pham,Thanh Tung Nguyen,Thai Hoang Nguyen,Viet Hai Le,Dai Lam Tran
Abstract The alternative desalination technique of membrane capacitive deionization (MCDI) has emerged in the last 15 years and received a lot of research attention since then. By using a voltage applied between two electrodes covered with ion-exchange membranes, MCDI has attempted to challenge established methods such as reverse osmosis or electrodialysis. In this study, through the crosslinking of
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Anticancer potential of biogenic silver nanoparticles using the stem extract of Commiphora gileadensis against human colon cancer cells Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Sabah Ahmed Al-Zahrani,Ramesa Shafi Bhat,Mona Awad Al-Onazi,Mona S. Alwhibi,Dina. A. Soliman,Nora Abdullah Aljebrin,Leenah Saleh Al-Suhaibani,Sooad Al Daihan
Abstract Plant-mediated silver nanoparticles are unique and are considered one of the best nanomaterials used in cancer research. We report a low-cost, eco-friendly process of green synthesis of AgNPs from Commiphora gileadensis stem extracts and evaluated their anticancer potential against colon cancer cell lines HCT-116, HT 29, and SW620. Anticancer activities were performed by an MTT assay and gene
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Fabrication and characterization of lysine hydrochloride Cu(ii) complexes and their potential for bombing bacterial resistance Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Ziqian Wu,Zhihuan Fu,Yunbo Tian,Murtaza Hasan,Liting Huang,Yuanting Yang,Cuijing Li,Ayesha Zafar,Xugang Shu
Abstract The emergence of drug-resistant bacteria and the lack of effective antimicrobial agents have posed a threat to public safety, so a new efficient strategy is needed to deal with the increasing severity of bacteria. Herein, a substitute antibacterial agent with high stability and biocompatibility was synthesized by incorporating lysine hydrochloride and copper sulfate pentahydrate following
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Development and butyrylcholinesterase/monoamine oxidase inhibition potential of PVA-Berberis lycium nanofibers Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Nihal Abdalla Ibrahim,Saba Kaleem,Abida Kalsoom Khan,Ghulam Murtaza
Abstract The aim of this study was to evaluate the potential inhibitory effect of montmorillonite (MMT)-reinforced, glutaraldehyde-crosslinked PVA (polyvinyl alcohol) nanofibers loaded with root extract of Berberis lycium on monoamine oxidase A and B (MAO A and B) and butyrylcholinesterase (BChE) by using slightly modified Ellman’s test and Amplex Red monoamine oxidase assay, respectively. Enzyme inhibition
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Biological fabrication of zinc oxide nanoparticles from Nepeta cataria potentially produces apoptosis through inhibition of proliferative markers in ovarian cancer Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Wenli Gu,Haining Li,Xianyi Niu,Jianyun Zhou
Abstract This study evaluated the biological fabrication and characterization of zinc oxide nanoparticles (ZnONPs) using Nepeta cataria (NC) and their anticancer activity against ovarian cancer cells (SKOV3). This study synthesized ZnONPs using leaf extract of N. cataria through a biological method. The synthesized particles were characterized in several ways such as zeta potential, ultraviolet-visible
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Synthesis, characterization, and photocatalysis of a rare-earth cerium/silver/zinc oxide inorganic nanocomposite Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Jiang Wu,Qiao Li,Guoliang Zhang,Yuguang Lv
Abstract A cerium/silver/zinc oxide (Ce/Ag/ZnO) inorganic nanocomposite was synthesized through a homogeneous precipitation method. The characterization and photocatalysis procedures were carried out by Fourier transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), UV-Vis diffuse reflection spectroscopy, and photocatalytic
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Synergistic in vitro anticancer actions of decorated selenium nanoparticles with fucoidan/Reishi extract against colorectal adenocarcinoma cells Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Mohamed E. El-Hefnawy,Mohsen M. El-Sherbiny,Mamdouh Al Harbi,Ahmed A. Tayel
Abstract Cancer-fighting needs more effective and targeted drugs, desirably with least side-effects and from natural bases. The assessment and synergistic actions of multiple anticancer drug candidates were investigated. Fucoidan (Fu) was extracted from Sargassum cinereum, which was attained from the Saudi Red-Sea coast. The extract of Ganoderma lucidum or Reishi mushroom (Re) was achieved, intermixed
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Facile route of synthesis of silver nanoparticles templated bacterial cellulose, characterization, and its antibacterial application Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Tintin Mutiara,Hary Sulistyo,Moh. Fahrurrozi,Muslikhin Hidayat
Abstract Bacterial cellulose (BC) produced from coconut water, commonly known as nata de coco, is a biopolymer with enormous properties. Compared to plant cellulose, BC has better mechanical strength and a greater degree of polymerization. BC’s high purity and high porosity make it a suitable candidate for the embedding and dispersion template for silver nanoparticles (AgNPs). This study investigated
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First report of biocellulose production by an indigenous yeast, Pichia kudriavzevii USM-YBP2 Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Nurshafiqah Jasme,Jananisri Elangovan,Ahmad Ramli Mohd Yahya,Nur Asshifa Md Noh,Yazmin Bustami
Abstract Herein, we describe the first report of Pichia strain producing biocellulose (BC). This yeast was isolated from rotten pineapple and was identified as Pichia kudriavzevii USM-YBP2 using 18S rDNA analysis. The formation of pellicle was characterized using a scanning electron microscope (SEM). Based on SEM analysis, pellicles are presented as an interwoven network of fibers. Next, to produce
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A numerical study on the in-nozzle cavitating flow and near-field atomization of cylindrical, V-type, and Y-type intersecting hole nozzles using the LES-VOF method Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Yicheng Deng, Xianyin Leng, Wei Guan, Zhixia He, Wuqiang Long, Shengli Wei, Jie Hu
In order to improve the performance of engines fueled with diesel fuel or diesel-like e-fuels so as to realize greener transportation, the V-type and Y-type intersecting hole nozzles, in which each hole is formed by the coalescence of two or three subholes, have been designed. In this article, the multiphase flow inside and outside the nozzle was numerically investigated using a volume-of-fluid large
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Kinetic study on the reaction between Incoloy 825 alloy and low-fluoride slag for electroslag remelting Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Jiantao Ju, Zhihong Zhu, Jialiang An, Kangshuai Yang, Yue Gu
A kinetic model for the reactions between the low-fluoride slag CaF 2 –CaO–Al 2 O 3 –MgO–Li 2 O–TiO 2 and Incoloy 825 alloy was proposed based on the two-film theory. The applicability of the model was verified to predict the variation of components in the slag–metal reaction process. The results show that the controlling step of the reaction 4[Al] + 3(TiO 2 ) = 3[Ti] + 2(Al 2 O 3 ) is the mass transfer
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Black pepper (Piper nigrum) fruit-based gold nanoparticles (BP-AuNPs): Synthesis, characterization, biological activities, and catalytic applications – A green approach Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Sami Bawazeer, Ibrahim Khan, Abdur Rauf, Abdullah S. M. Aljohani, Fahad A. Alhumaydhi, Anees Ahmed Khalil, Muhammad Nasimullah Qureshi, Laiba Ahmad, Shahid Ali Khan
As compared to conventional techniques, currently nanotechnology has gained significant attention of scientists for the development of plant-based natural nanoparticles (NPs) due to their safety, effectiveness, and environment friendly nature. The current study was aimed for development, characterization (energy-dispersive X-ray, ultraviolet-visible spectroscopy, Fourier-transform infrared spectroscopy
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Protective role of foliar application of green-synthesized silver nanoparticles against wheat stripe rust disease caused by Puccinia striiformis Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Sidra Sabir, Muhammad Arshad, Noshin Ilyas, Farah Naz, Muhammad Shoaib Amjad, Nafeesa Zahid Malik, Sunbal Khalil Chaudhari
Green-synthesized nanoparticles have a tremendous antimicrobial potential to be used as an alternative to hazardous fungicides. In this study, the green synthesis of silver nanoparticles (AgNPs) was performed by using Moringa oleifera leaf extract as a reducing and stabilizing agent. The synthesized AgNPs were subjected to different characterization techniques. UV-visible spectroscopy confirmed the
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Effects of nitrogen and phosphorus on Microcystis aeruginosa growth and microcystin production Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Benjun Zhou, Zhen Wang
In the present study, the effects of nitrogen (N) and phosphorus (P) on the growth of Microcystis aeruginosa and the production of microcystins (MCs) were investigated. The results showed that the growth of M. aeruginosa was not merely determined by N or P, but both nutrients were limiting for the species. Moreover, an excess of N and constant P in the culture medium could stimulate the growth of M
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Efficient degradation of methyl orange and methylene blue in aqueous solution using a novel Fenton-like catalyst of CuCo-ZIFs Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Thanh H. V. Luong, Thao H. T. Nguyen, Binh V. Nguyen, Nghia K. Nguyen, Thanh Q. C. Nguyen, Giao H. Dang
In this study, the synthesized CuCo-zeolitic imidazolate framework (ZIF) catalyst was used to degrade methyl orange (MO) and methylene blue (MB) in water via a novel Fenton-like catalytic reaction. Effects of catalyst dosage, H 2 O 2 concentration, initial concentration of the contaminants, and reaction time were evaluated. The results showed that MO and MB decomposition efficiencies were highly influenced
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Synthesis of biological base oils by a green process Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Thi Hong Tran, Quyen Huynh, Minh Tan Phan
In this study, the chemical conversion of catfish fat (CFF) into bio-based oils using the cavitation technique has been carried out. The influence of parameters on the reaction yield, including inlet pressure, amount of reactant, temperature, and time were investigated. The results obtained have demonstrated the outstanding efficiency of applying the cavitation technique to the chemical synthesis process
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Efficient pilot-scale synthesis of the key cefonicid intermediate at room temperature Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Marziale Comito, Riccardo Monguzzi, Silvia Tagliapietra, Giovanni Palmisano, Giancarlo Cravotto
Cefonicid is a common second-generation cephalosporin, and the 7-amino-3-[sulphomethyl-1- H -tetrazol-5-yl-thiomethyl]-3-cephem-4-carboxylate monosodium salt is a key synthetic intermediate in its preparation. Despite the considerable international demand for this antibiotic, its preparation is hampered by low synthetic yield, long reaction time, and time-consuming industrial filtration over charcoal
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Synthesis and characterization of noble metal/metal oxide nanoparticles and their potential antidiabetic effect on biochemical parameters and wound healing Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Mai A. Elobeid, Manal A. Awad, Promy Virk, Khalid M. Ortashi, Nada M. Merghani, Atheer M. Asiri, Emadeldin Abdeljabar Ali Bashir
The study assessed the antidiabetic effect of Solenostemma argel and its nanoformulations with silver/gold nanocomposites (CNPs), zinc oxide nanoparticles (ZnONPs), and metaformin drug. Experimental groups consisted of normal control, diabetic control, and four diabetic groups treated with metformin, CNPs, ZnONPs, and bulk argel leaf extract (So-argel). Transmission electron microscopy characterization
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Regioselectivity in the reaction of 5-amino-3-anilino-1H-pyrazole-4-carbonitrile with cinnamonitriles and enaminones: Synthesis of functionally substituted pyrazolo[1,5-a]pyrimidine derivatives Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Moustafa Sherif Moustafa, Ahmed Moukhtar Nour-Eldeen, Saleh Mohamed Al-Mousawi, Afaf Abd El-Hameed, Michael Magdy, Kamal Usef Sadek
The development of efficient methods for the synthesis of polyfunctional N-heterocycles is an important area of research in organic and medicinal chemistry. Pyrazolo[1,5- a ]pyrimidine derivatives are purine analogous of biomedical importance and have been extremely studied for their broad spectrum of biological activities. Recently, they have attracted great interest in materials science owing to
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Synthesis and characterization of Ce-doped TiO2 nanoparticles and their enhanced anticancer activity in Y79 retinoblastoma cancer cells Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Balachandran Kartha, Kalaivani Thanikachalam, Natesan Vijayakumar, Naiyf S. Alharbi, Shine Kadaikunnan, Jamal M. Khaled, Kasi Gopinath, Marimuthu Govindarajan
Rare earth metal cerium-doped titania nanoparticles (titanium dioxide [TiO 2 ]) were produced utilizing a low-cost and straightforward sol–gel technique, and its enhanced photodynamic anticancer activity was tested on Y79 retinoblastoma cancer cells. The structural, optical, morphological, anticancer activity, and cytotoxicity of pure and cerium-doped TiO 2 (Ce-doped TiO 2 ) were investigated. In X-ray
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Aspects of the physiochemical properties of SARS-CoV-2 to prevent S-protein receptor binding using Arabic gum Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Mohamed Mohamady Ghobashy, Dalal Mohamed Alshangiti, Sheikha A. Alkhursani, Samera Ali Al-Gahtany, Abeer S. Meganid, Mohamed Madani, Ahmad S. Kodous
With the number of people infected with the new coronavirus exceeding millions of confirmed infections, the world is turning to scientists and researchers, everyone is waiting – impatiently – for the results of the research that is being carried out in full swing to find an effective treatment for the virus. The recent development of the virus has witnessed at least 17 mutations that may affect its
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Sonochemical synthesis of protein microcapsules loaded with traditional Chinese herb extracts Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Xin Wang, Zhe Wang, Shengwei Guo, Guxia Wang, Min Xue
Traditional Chinese herbs have attracted extensive attention due to their good efficacy, low toxicity, and minor side effects. However, some active ingredient extracts are relatively sensitive to external influence and liable to lose their effectiveness. Different from the traditional and complex encapsulation methods, one can easily prepare drug-loaded microcapsules to improve their bioavailability
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MW-assisted hydrolysis of phosphinates in the presence of PTSA as the catalyst, and as a MW absorber Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Nikoletta Harsági, György Keglevich
The hydrolysis of phosphinic esters is an important transformation that may be performed under acidic or basic conditions on conventional heating. A series of cyclic phosphinates, 1-alkoxy-3-methyl or 3,4-dimethylphospholane oxides, has now been hydrolyzed under microwave (MW) conditions in the presence of 0.1 or 0.5 equivalents of p -toluenesulfonic acid that served not only as the catalyst but also
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Fabrication of silicotungstic acid immobilized on Ce-based MOF and embedded in Zr-based MOF matrix for green fatty acid esterification Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Qiuyun Zhang, Binbin Yang, Yuanyuan Tian, Xianju Yang, Rongfei Yu, Jialu Wang, Taoli Deng, Yutao Zhang
In the present study, a facile solvothermal method was used for the synthesis of silicotungstic acid (HSiW) immobilized on Ce-based metal organic framework (Ce-BDC) and embedded in Zr-based metal-organic framework (UiO-66(Zr)) composite catalyst, namely, Ce-BDC@HSiW@UiO-66 for the production of biodiesel through green fatty acid esterification. The obtained hybrids were characterized by various characterization
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Superior photocatalytic degradation performance for gaseous toluene by 3D g-C3N4-reduced graphene oxide gels Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Chan Lu, Zenghui Gou, Shan Li, Zhongao Mai, Xiaolong Li, Yuhao Yang
Volatile organic compounds (VOCs) are major gaseous pollutants and one of the main causes of environmental problem, which can be extremely harmful to human health. Previous research has shown that photocatalytic oxidation is regarded as a promising technology to remove VOCs. However, for the time being, the photocatalytic performance in the field of removing VOCs by multiple reported photocatalysts
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A comprehensive review on green synthesis of titanium dioxide nanoparticles and their diverse biomedical applications Green Process. Synth. (IF 4.3) Pub Date : 2022-01-01 Suresh Sagadevan, Shahla Imteyaz, Baranya Murugan, Jayasingh Anita Lett, Nanthini Sridewi, Getu Kassegn Weldegebrieal, Is Fatimah, Won-Chun Oh
Metal oxide nanoparticles (NPs) have found a variety of applications in numerous industrial, medical, and environmental fields s, attributable to recent advances in the nanotechnology field. Titanium dioxide nanoparticles (TiO 2 -NPs) have gained importance as metal oxide NPs due to their potential in various fields, particularly nanomedicine and other biomedicine fields. Several studies have confirmed
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Studies of Penicillium species associated with blue mold disease of grapes and management through plant essential oils as non-hazardous botanical fungicides Green Process. Synth. (IF 4.3) Pub Date : 2021-01-13 Salman Ghuffar, Gulshan Irshad, Farah Naz, Muhammad Azam Khan
Abstract Blue mold caused by Penicillium species is a major fungal disease threatening the viticulture industry in Pakistan, responsible for deteriorating the quality of grapes during handling, transportation, and distribution. Identification-based approaches of Penicillium species provide a better strategy on accurate diagnosis and effective management. In this study, 13 isolates were recovered from
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Effect of CaO on catalytic combustion of semi-coke Green Process. Synth. (IF 4.3) Pub Date : 2021-01-08 Luyao Kou, Junjing Tang, Tu Hu, Baocheng Zhou, Li Yang
Abstract Generally, adding a certain amount of an additive to pulverized coal can promote its combustion performance. In this paper, the effect of CaO on the combustion characteristics and kinetic behavior of semi-coke was studied by thermogravimetric (TG) analysis. The results show that adding proper amount of CaO can reduce the ignition temperature of semi-coke and increase the combustion rate of
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Antioxidant potential of bulk and nanoparticles of naringenin against cadmium-induced oxidative stress in Nile tilapia, Oreochromis niloticus Green Process. Synth. (IF 4.3) Pub Date : 2021-01-01 Nouf Abdallah Mreat Al-Ghamdi,Promy Virk,Awatif Hendi,Manal Awad,Mai Elobeid
Abstract The study assessed the attenuating effect of citrus flavonone, naringenin, and its nanoformulation against cadmium (Cd) toxicity in Nile tilapia (Oreochromis niloticus). Nanoparticles of naringenin (NNn) were synthesized; size 165.1 nm (PDI 0.396) in variable shapes; cluster widespread, spherical accumulated, and tubular bacillary. Parallel, mature male Nile tilapia (n = 120 fish) were used
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Synthesis of tert-amylbenzene for side-chain alkylation of cumene catalyzed by a solid superbase Green Process. Synth. (IF 4.3) Pub Date : 2021-01-01 Xin Zhou,Ge Gao,Guangxiang He,Xiaoyan Guo,Haibo Jin,Lei Ma
Abstract The side-chain alkylation of cumene and ethylene over a solid superbase catalyst K/KOH/γ-Al2O3 is investigated. The effects of the reaction temperature, pressure, and time on the conversion of cumene and selectivity of tert-amylbenzene (TAB) are discussed. The experimental results show that the conversion of cumene to tert-pentylbenzene increases with the increase in reaction temperature and
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Variability and improvement of optical and antimicrobial performances for CQDs/mesoporous SiO2/Ag NPs composites via in situ synthesis Green Process. Synth. (IF 4.3) Pub Date : 2021-01-01 Youliang Cheng,Mingjie Wang,Changqing Fang,Ying Wei,Jing Chen,Jin Zhang
Abstract To change the optical properties and improve the antibacterial performances of carbon quantum dots (CQDs) and Ag NPs, mesoporous SiO2 spheres were combined with them to form the composites. In this paper, CQDs with a uniform size of about 3.74 nm were synthesized using glucose as carbon source. Then, CQDs/mesoporous SiO2/Ag NPs composites were obtained in situ under UV light irradiating by
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Delignification of unbleached pulp by ternary deep eutectic solvents Green Process. Synth. (IF 4.3) Pub Date : 2021-01-01 Veronika Majová,Michal Jablonský,Marek Lelovský
Abstract The processing of lignocellulosic materials is very limited because of their low solubility in water and some organic solvents. Fifteen ternary deep eutectic solvents (DESs) were prepared and tested as solvents suitable for delignification of unbleached pulp. The selected ternary DESs are composed of quaternary ammonium salts and amino acids as hydrogen-bond acceptors, and organic acids and
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Synthesis of greener silver nanoparticle-based chitosan nanocomposites and their potential antimicrobial activity against oral pathogens Green Process. Synth. (IF 4.3) Pub Date : 2021-01-01 Shanmugam Rajeshkumar,Munusamy Tharani,Vijayarangan Devi Rajeswari,Naiyf S. Alharbi,Shine Kadaikunnan,Jamal M. Khaled,Kasi Gopinath,Natesan Vijayakumar,Marimuthu Govindarajan
Abstract In the present investigation, silver nanoparticles (AgNPs) and silver nanoparticle-based chitosan nanocomposite were synthesized using Cissus arnottiana leaf extract. The biosynthesized nanoparticles and nanocomposites were characterized using SEM, TEM, and AFM to uncover the morphological characteristics such as size and shape. The SEM image depicts the size of the nanocomposite to be 30–40 nm
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Preparation and characterization of sodium alginate/acrylic acid composite hydrogels conjugated to silver nanoparticles as an antibiotic delivery system Green Process. Synth. (IF 4.3) Pub Date : 2021-01-01 Parvaneh Mohamadinia,Navideh Anarjan,Hoda Jafarizadeh-Malmiri
Abstract Hydrogels are promising drug delivery systems attributable to their unique characteristics such as high hydrophilicity, controllability, biocompatibility, and facile production routines. The aim of this research was the preparation of sodium alginate/acrylic acid (AAc) composite hydrogels conjugated to silver nanoparticles to deliver the cephalexin as a model antibiotic compound. The reduction
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Biosynthesis of silver nanoparticles using leaves of Mentha pulegium, their characterization, and antifungal properties Green Process. Synth. (IF 4.3) Pub Date : 2021-01-01 Humaira Rizwana,Mona S. Alwhibi
Abstract Currently, the prime focus in agricultural research is on sustainability and protection of agricultural produce with minimal use of synthetic fungicides. In the present study, silver nanoparticles (AgNPs) were synthesized using fresh leaves of Mentha pulegium (M.p) through a simple, easy, and economical method. The formation of M.p-AgNPs was ascertained with UV-visible spectroscopy that gave