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Study on the microwave-assisted extraction of polyphenols from tea

Liyun WANG, Peiyong QIN, Yan HU,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 307-313 doi: 10.1007/s11705-009-0282-6

Abstract: This study demonstrated a promising method for quickly extracting tea polyphenol (TP) by microwave-assistedextraction (MAE) technology.Some influential parameters, including MAE temperature, microwave power, concentration of extractionratio 1:12 g/mL at 80°C for 10 minutes under the microwave power 600 W.Compared with traditional methods, including hot reflux extraction (HRE), ultrasound-assisted extraction

Keywords： energy consumption     microwave-assisted extraction     optimum condition     pre-leaching     concentration    

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Optimization of microwave-assisted extraction for picroside I and picroside II from

Pravin WAKTE,Ajit PATIL,Bhusari SACHIN,Munnaza QUAZI,Shraddha JABDE,Devanand SHINDE

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 4,   Pages 445-453 doi: 10.1007/s11705-014-1458-2

Abstract: The response surface methodology was employed to study the optimization of microwave-assisted extractionThe effects of solid to solvent ratio, and extraction temperature, time and solvent on the yields ofto be: solid to solvent ratio, 10 : 90 (w/v); temperature, 60 °C; and extraction time, 60 s.Application of microwave-assisted extraction of picroside I and picroside II from would dramaticallyreduce extraction time and solvent consumption.

Keywords： Box-Behnken design     microwave-assisted extraction     picroside I     picroside II     Picrorrhiza kurroa    

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Technologies for extracting lipids from oleaginous microorganisms for biodiesel production

Cunwen WANG, Lu CHEN, Bajpai RAKESH, Yuanhang QIN, Renliang LV

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 266-274 doi: 10.1007/s11708-012-0193-y

Abstract: The process of biodiesel production from microorganisms involves many steps, of which the lipids extractionTherefore, searching for an effective and economical extraction system is critical.Various approaches of lipids extraction are discussed in this review, including traditional extractionprocedures such as solvent extraction, pressing and solvent integrated extraction, as well as some new

Keywords： oleaginous microorganisms     biodiesel     solvent extraction     ultrasound-assisted extraction     microwave-assistedextraction     supercritical fluid extraction (SFE)    

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Microwave-assisted catalytic oxidation of gaseous toluene with a Cu-Mn-Ce/cordierite honeycomb catalyst

Longli Bo, Shaoyuan Sun

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 2,   Pages 385-392 doi: 10.1007/s11705-018-1738-3

Abstract: The catalytic oxidation of gaseous toluene was primarily investigated using a fixed bed reactor under microwaveThus the use of the microwave effectively improved the oxidation of toluene and this is attributed toThis work demonstrates the possibility of treating volatile organic compounds in exhaust gases by microwave-assisted

Keywords： microwave     catalytic oxidation     toluene     Cu-Mn-Ce/cordierite     mineralization    

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Microwave-assisted catalyst-free hydrolysis of fibrous cellulose for deriving sugars and biochemicals

Songshan Jiang, Helen Daly, Huan Xiang, Ying Yan, Huiping Zhang, Christopher Hardacre, Xiaolei Fan

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 718-726 doi: 10.1007/s11705-019-1804-5

Abstract: Microwave (MW) assisted catalyst-free hydrolysis of fibrous cellulose (FC, cellulolysis) at 200°C promotedBased on the systematic study of MW-assisted cellulolysis, the specific interaction between water molecules

Keywords： microwave     fibrous cellulose     hydrolysis     sugars     mechanism    

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Microwave-assisted synthesis and antimicrobial activities of 2-aryl-3-(naphthalene-1 or 2-yl)-1,3-thiazolidin

Hua CHEN, Yanan LI, Jie BAI, Lian ZHAO, Xiangguo YUAN, Xiaoliu LI, Keqiang CAO

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 186-191 doi: 10.1007/s11705-009-0004-0

Abstract: 3-(naphthalene-1 or 2-yl)-1,3-thiazolidin-4-ones and were synthesized in 41%-67% yield by using microwave-assisted

Keywords： microwave-assisted synthesis     naphthyl     thiazolidin-4-one     antimicrobial    

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Microwave assisted synthesis of poly(2-hydroxyethylmethacrylate) grafted agar (Ag-g-P(HEMA)) and its

Gautam SEN, G. Usha RANI, Sumit MISHRA

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 3,   Pages 312-321 doi: 10.1007/s11705-013-1344-3

Abstract: Poly(2-hydroxyethylmethacrylate) chains were grafted onto the backbone of agar using a microwave assistedmethod involving a combination of microwave irradiation and ceric ammonium nitrate to initiate the grafting

Keywords： agar     flocculant     microwave assisted synthesis     jar test protocol     poly(HEMA) grafted agar     wastewater treatment    

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Entity and relation extraction with rule-guided dictionary as domain knowledge

Frontiers of Engineering Management   Pages 610-622 doi: 10.1007/s42524-022-0226-0

Abstract: Entity and relation extraction is an indispensable part of domain knowledge graph construction, whichThe existing entity and relation extraction methods that depend on pretrained models have shown promisingEntity extraction models treat characters as basic semantic units while ignoring known character dependencyRelation extraction is based on the hypothesis that the relations hidden in sentences are unified, therebyIn addition, the extraction accuracy of entity relation triplet reaches 83% and 76% on laser industry

Keywords： entity extraction     relation extraction     prior knowledge     domain rule    

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Development of lunar regolith composite and structure via laser-assisted sintering

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0662-2

Abstract: In this paper, a laser-assisted additive manufacturing process is developed to fabricate lunar regolithThe effectiveness and the feasibility of this laser-assisted process are potentially developed for future

Keywords： in situ manufacturing     laser-assisted powder fusion process     mechanical properties     topological    

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Guidelines for navigation-assisted spine surgery

Bo Liu, Da He, Yajun Liu, Xiaoguang Han, Jingwei Zhao, Mingxing International Society for Computer Assisted

Frontiers of Medicine 2020, Volume 14, Issue 4,   Pages 518-527 doi: 10.1007/s11684-020-0775-8

Abstract: Computer-assisted navigation is an extension and application of precision medicine in orthopaedic surgeryexperience, these guidelines include the basic concepts of the navigation system, workflow of navigation-assistedThis work helps to standardize navigation-assisted spinal surgery, improve its clinical efficiency and

Keywords： guidelines     spine surgery     computer-assisted navigation    

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Decomposition of perfluorooctanoic acid by microwave-activated persulfate: Effects of temperature, pH

Yuchi LEE, Shanglien LO, Jeff KUO, Chinghong HSIEH

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 17-25 doi: 10.1007/s11783-011-0371-x

Abstract: Microwave-hydrothermal treatment of persistent and bioaccumulative perfluorooctanoic acid (PFOA) in waterconcentrations (0.01–0.15 mol·L ), and temperature (60°C, 90°C, and 130°C) on persulfate oxidation of PFOA under microwave

Keywords： microwave     perfluorooctanoic acid     pH     persulfate     chloride ions     perfluorocarboxylic acids    

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Characterisation of a microwave induced plasma torch for glass surface modification

Adam BENNETT, Nan YU, Fengzhou FANG, Marco CASTELLI, Guoda CHEN, Alessio BALLERI, Takuya URAYAMA

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 122-132 doi: 10.1007/s11465-020-0603-5

Abstract: Microwave induced plasma torches find wide applications in material and chemical analysis.Investigation of a coaxial electrode microwave induced plasma (CE–MIP) torch is conducted in this studyMicrowave spectrum analysis is used to create a polar plot of the microwave energy being emitted fromthe coaxial electrode, where the microwave energy couples with the gas to generate the plasma jet.

Keywords： microwave induced plasma     spectrum analysis     surface modification    

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Soybean drying characteristics in microwave rotary dryer with forced convection

Ruifang WANG, Zhanyong LI, Yanhua LI, Jingsheng YE

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 3,   Pages 289-292 doi: 10.1007/s11705-009-0022-y

Abstract: A new hybrid drying technique by combining microwave and forced convection drying within a rotary drum, i.e., microwave rotary drying, was developed with the purpose to improve the uniformity of microwaveIn a laboratory microwave rotary dryer, rewetted soybean was utilized as experimental material to studythe effects of drum rotating speed, ventilation flow rate, and specific microwave power on the dryingIncreasing ventilation flow rate and specific microwave power can improve the drying rate, but the cracking

Keywords： cracking     microwave     rotary drying     soybean    

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Energy field-assisted high-speed dry milling green machining technology for difficult-to-machine metal

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0744-9

Abstract: Energy field-assisted machining technology has the potential to overcome the limitations of machiningThe introduction of advanced energy-field-assisted green processing technology can improve the machinability, temperature, and surface quality of the workpiece during milling, the superiority of energy-field-assistedFinally, the shortcomings and technical challenges of energy-field-assisted milling are summarized in

Keywords： difficult-to-machine metal material     green machining     high-speed dry milling     laser energy field-assistedmilling     ultrasonic energy field-assisted milling     cryogenic minimum quantity lubrication energy field-assisted    

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An extraction- assay system: Evaluation on flavonols in plant resistance to Pb and Cd by supercriticalextraction- gas chromatography

Xu Zhang, Huanhuan Yang, Xinlei Wang, Wen Song, Zhaojie Cui

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 4, doi: 10.1007/s11783-018-1059-2

Abstract:

SFE-GC system is established for flavonols assessment.

Optimal parameters of SFE-GC are evaluated and determined.

Quercetin and kaempferol are detected in plant under heavy metal stress.

Gene expression analysis shows consistent regularity with content of flavonols.

ROS level is applied for elaborating the plant resistance status.

Keywords： Flavonols     Heavy metal     Supercritical carbon dioxide extraction (SFE)     GC     Plant resistance    

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Title Author Date Type Operation

Study on the microwave-assisted extraction of polyphenols from tea

Liyun WANG, Peiyong QIN, Yan HU,

Journal Article

Optimization of microwave-assisted extraction for picroside I and picroside II from

Pravin WAKTE,Ajit PATIL,Bhusari SACHIN,Munnaza QUAZI,Shraddha JABDE,Devanand SHINDE

Journal Article

Technologies for extracting lipids from oleaginous microorganisms for biodiesel production

Cunwen WANG, Lu CHEN, Bajpai RAKESH, Yuanhang QIN, Renliang LV

Journal Article

Microwave-assisted catalytic oxidation of gaseous toluene with a Cu-Mn-Ce/cordierite honeycomb catalyst

Longli Bo, Shaoyuan Sun

Journal Article

Microwave-assisted catalyst-free hydrolysis of fibrous cellulose for deriving sugars and biochemicals

Songshan Jiang, Helen Daly, Huan Xiang, Ying Yan, Huiping Zhang, Christopher Hardacre, Xiaolei Fan

Journal Article

Microwave-assisted synthesis and antimicrobial activities of 2-aryl-3-(naphthalene-1 or 2-yl)-1,3-thiazolidin

Hua CHEN, Yanan LI, Jie BAI, Lian ZHAO, Xiangguo YUAN, Xiaoliu LI, Keqiang CAO

Journal Article

Microwave assisted synthesis of poly(2-hydroxyethylmethacrylate) grafted agar (Ag-g-P(HEMA)) and its

Gautam SEN, G. Usha RANI, Sumit MISHRA

Journal Article

Entity and relation extraction with rule-guided dictionary as domain knowledge

Journal Article

Development of lunar regolith composite and structure via laser-assisted sintering

Journal Article

Guidelines for navigation-assisted spine surgery

Bo Liu, Da He, Yajun Liu, Xiaoguang Han, Jingwei Zhao, Mingxing International Society for Computer Assisted

Journal Article

Decomposition of perfluorooctanoic acid by microwave-activated persulfate: Effects of temperature, pH

Yuchi LEE, Shanglien LO, Jeff KUO, Chinghong HSIEH

Journal Article

Characterisation of a microwave induced plasma torch for glass surface modification

Adam BENNETT, Nan YU, Fengzhou FANG, Marco CASTELLI, Guoda CHEN, Alessio BALLERI, Takuya URAYAMA

Journal Article

Soybean drying characteristics in microwave rotary dryer with forced convection

Ruifang WANG, Zhanyong LI, Yanhua LI, Jingsheng YE

Journal Article

Energy field-assisted high-speed dry milling green machining technology for difficult-to-machine metal

Journal Article

An extraction- assay system: Evaluation on flavonols in plant resistance to Pb and Cd by supercriticalextraction- gas chromatography

Xu Zhang, Huanhuan Yang, Xinlei Wang, Wen Song, Zhaojie Cui

Journal Article