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Ultrasound-assisted emulsification solidified floating organic drop microextraction for the determination

Qingyun CHANG, Jingwen ZHANG, Xin DU, Jingjun MA, Jingci LI,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 2,   Pages 187-195 doi: 10.1007/s11783-010-0030-7

Abstract: A simple and efficient liquid-phase microextraction (LPME) technique was developed using ultrasound-assistedemulsification solidified floating organic drop microextraction (USAE-SFODME) combined with flame atomic

Keywords： ultrasound-assisted emulsification     solidified floating organic drop microextraction     flame atomic absorption    

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Synthesis and characterization of phosphotungstic acid/activated carbon as a novel ultrasound oxidative

Liyan LIU, Yu ZHANG, Wei TAN

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 4,   Pages 422-427 doi: 10.1007/s11705-013-1353-2

Abstract: These catalysts were then evaluated in terms of the removal of dibenzothiophene (DBT) by ultrasound-assistedAfter supporting PTA on AC, the DBT conversion can be improved by 38.9% after ultrasound irradiationtests of PTA/AC showed that the catalytic oxidative activity of PTA/AC was nearly kept constant after ultrasoundirradiation for 20 min, which makes it a promising catalyst to use in ultrasound-assisted oxidative

Keywords： phosphotungstic acid     activated carbon     ultrasound-assisted oxidative desulfurization    

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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: Recently, biodiesel has received much more attention. Soybean oil, rapeseed oil, palm oil and corn oil are primary feedstock for biodiesel production. However, biodiesel production from these traditional oil-rich crops is limited by land availability, climate, and environmental and social issues regarding the use of feed and food crops for fuel. Oleaginous microorganisms, including microalgae, bacteria, yeast and fungi can be cultivated with high lipid contents and used as promising feedstock for biodiesel production. However, the high cost of biodiesel production using oil microorganisms has been the biggest obstacle for its industrialization. The process of biodiesel production from microorganisms involves many steps, of which the lipids extraction is the most important and costly. Therefore, searching for an effective and economical extraction system is critical. Various approaches of lipids extraction are discussed in this review, including traditional extraction procedures such as solvent extraction, pressing and solvent integrated extraction, as well as some new procedures.

Keywords： oleaginous microorganisms     biodiesel     solvent extraction     ultrasound-assisted extraction     microwave-assisted    

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Ultrasound-assisted co-precipitation synthesis of mesoporous Co3O4–CeO2 composite oxides for highly selective

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1211-1223 doi: 10.1007/s11705-022-2145-3

Abstract: sub>3O4–CeO2 composite oxide catalyst was successfully prepared through ultrasound-assisted

Keywords： 3O4–CeO2 composite oxides     cyclohexanone     cyclohexanol     ultrasonic-assisted    

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Ultrasonic emulsification: basic characteristics, cavitation, mechanism, devices and application

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1560-1583 doi: 10.1007/s11705-022-2160-4

Abstract: Ultrasound has attracted much attention in emulsion preparation, especially for nanoemulsion, due toThis review provides an overview for readers to the area of ultrasonic emulsification technology., acoustic cavitation, emulsification mechanism, ultrasonic devices and applications.The combination of microfluidics and ultrasound is highlighted with huge advantages in controlling cavitationphenomena and emulsification intensification.

Keywords： nanoemulsion     ultrasound     microreactor     multiphase     energy    

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High-gravity-assisted emulsification for continuous preparation of waterborne polyurethane nanodispersion

Weihong Zhang, Dan Wang, Jie-Xin Wang, Yuan Pu, Jian-Feng Chen

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 1087-1099 doi: 10.1007/s11705-019-1895-z

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A review on emulsification via microfluidic processes

Yichen Liu, Yongli Li, Andreas Hensel, Juergen J. Brandner, Kai zhang, Xiaoze Du, Yongping Yang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 3,   Pages 350-364 doi: 10.1007/s11705-019-1894-0

Abstract: Emulsification technology has advanced well with the development of microfluidic process.

Keywords： microfluidics     emulsification     capillary number     droplet breakup    

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Emulsification for castor biomass oil

Dongxiang ZHANG, Yuanping LIN, Anmei LI, V. V. TARASOV

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 1,   Pages 96-101 doi: 10.1007/s11705-010-0553-2

Abstract: The effect of the emulsifier formula on the stability of castor oil-water system was studied through compounding three groups of emulsifiers from the aspects of stability factor of absorbance, centrifuge stability, demulsification time in quiescence, appearance of the droplets, and viscosity. The best emulsifier formula for castor biomass oil was the composite formula of sorbitan monooleate and polyoxyethylene sorbitan monostearate. Correlation exists between the stability of emulsion and the viscosity/particle size of the droplets, with better stability in the case of greater viscosity or narrower distribution of particle size in the emulsion of castor oil-water system. Methanol added to the castor oil-water system may decrease the viscosity of the emulsion. Comparing the castor oil-water emulsion with methanol-castor oil-water emulsion, the optimal hydrophilic and lipophilic balance (HLB) value based on castor oil-water system was acquired between 6.6 and 7.5, while the optimal HLB value based on the methanol-castor oil-water system was between 5.5 and 6.0. The optimal HLB value of methanol-castor oil-water system gradually moved to that of castor oil-water emulsion with adding more water.

Keywords： castor oil     biomass oil     emulsification     stability     viscosity     corrosivity    

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High-intensity focused ultrasound tumor ablation: Review of ten years of clinical experience

Lian ZHANG, Zhi-Biao WANG

Frontiers of Medicine 2010, Volume 4, Issue 3,   Pages 294-302 doi: 10.1007/s11684-010-0092-8

Abstract: High-intensity focused ultrasound (HIFU) is a technique to destroy tissue at depth within the body, selectivelyDiagnostic ultrasound is the first imaging modality used for guiding HIFU ablation.In 1997, a patient with osteosarcoma was first successfully treated with ultrasound imaging-guided HIFUliver cancer, breast cancer, pancreatic cancer, bone tumors, and renal cancer have been treated with ultrasound

Keywords： high-intensity focused ultrasound (HIFU)     ultrasound imaging-guided HIFU (USgHIFU)     magnetic resonance    

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Studies of ultrasound disintegration of residual sludge and its energy consumption in water treatment

SHEN Jinfeng, YIN Xuan, GU Heping, Lv Xiaoping

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 395-398 doi: 10.1007/s11705-007-0072-y

Abstract: To investigate the influence of ultrasound pretreatment on sludge anaerobic digestion, the ultrasounddisintegration of residual sludge in water treatment of petrochemical plant was studied, and the mechanisms of ultrasoundExperimental results indicate that ultrasound cavitation induces the rise of sludge temperature, whichimproves ultrasound disintegration on sludge.The degree of ultrasound disintegration increases with the specific energy input.

Keywords： specific     supernatant     petrochemical     ultrasound intensity     temperature    

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Anefficient quadrature demodulator for medical ultrasound imaging

Hao ZHOU,Yin-fei ZHENG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 4,   Pages 301-310 doi: 10.1631/FITEE.1400205

Abstract: Quadrature demodulation is used in medical ultrasound imaging to derive the envelope and instantaneous

Keywords： B-mode ultrasound imaging     Color flow imaging     Quadrature demodulation     Finite impulse response filter    

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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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Using ultrasound to improve the sequential post-synthesis modification method for making mesoporous Y

Rongxin Zhang, Peinan Zhong, Hamidreza Arandiyan, Yanan Guan, Jinmin Liu, Na Wang, Yilai Jiao, Xiaolei Fan

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 2,   Pages 275-287 doi: 10.1007/s11705-019-1905-1

Abstract: Specifically, the ultrasound-assisted alkaline treatment (i.e., ultrasonic treatment) was proposed as

Keywords： zeolite Y     mesoporous zeolite     post-synthesis treatment     ultrasound     chemical dealumination treatment     alkaline    

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Ultrasound-mediated targeted microbubbles: a new vehicle for cancer therapy

Junxiao YE, Huining HE, Junbo GONG, Weibing DONG, Yongzhuo HUANG, Jianxin WANG, Guanyi CHEN, Victor C YANG

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1,   Pages 20-28 doi: 10.1007/s11705-013-1311-z

Abstract: and abroad focus on the research of targeted microbubbles contrast agent, and the use of the targeted ultrasoundIn this review, we summarized the continuing efforts in understanding the usage of the ultrasound triggeredThe latest applications of ultrasound-triggered targeted microbubbles in cancer therapy, especially inMoreover, we concluded that as a new technology, ultrasound–triggered targeted microbubbles used as drug

Keywords： ultrasound-mediated     targeted microbubbles     cancer    

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Title Author Date Type Operation

Ultrasound-assisted emulsification solidified floating organic drop microextraction for the determination

Qingyun CHANG, Jingwen ZHANG, Xin DU, Jingjun MA, Jingci LI,

Journal Article

Synthesis and characterization of phosphotungstic acid/activated carbon as a novel ultrasound oxidative

Liyan LIU, Yu ZHANG, Wei TAN

Journal Article

Technologies for extracting lipids from oleaginous microorganisms for biodiesel production

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

Journal Article

Ultrasound-assisted co-precipitation synthesis of mesoporous Co3O4–CeO2 composite oxides for highly selective

Journal Article

Ultrasonic emulsification: basic characteristics, cavitation, mechanism, devices and application

Journal Article

High-gravity-assisted emulsification for continuous preparation of waterborne polyurethane nanodispersion

Weihong Zhang, Dan Wang, Jie-Xin Wang, Yuan Pu, Jian-Feng Chen

Journal Article

A review on emulsification via microfluidic processes

Yichen Liu, Yongli Li, Andreas Hensel, Juergen J. Brandner, Kai zhang, Xiaoze Du, Yongping Yang

Journal Article

Emulsification for castor biomass oil

Dongxiang ZHANG, Yuanping LIN, Anmei LI, V. V. TARASOV

Journal Article

High-intensity focused ultrasound tumor ablation: Review of ten years of clinical experience

Lian ZHANG, Zhi-Biao WANG

Journal Article

Studies of ultrasound disintegration of residual sludge and its energy consumption in water treatment

SHEN Jinfeng, YIN Xuan, GU Heping, Lv Xiaoping

Journal Article

Anefficient quadrature demodulator for medical ultrasound imaging

Hao ZHOU,Yin-fei ZHENG

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

Using ultrasound to improve the sequential post-synthesis modification method for making mesoporous Y

Rongxin Zhang, Peinan Zhong, Hamidreza Arandiyan, Yanan Guan, Jinmin Liu, Na Wang, Yilai Jiao, Xiaolei Fan

Journal Article

Ultrasound-mediated targeted microbubbles: a new vehicle for cancer therapy

Junxiao YE, Huining HE, Junbo GONG, Weibing DONG, Yongzhuo HUANG, Jianxin WANG, Guanyi CHEN, Victor C YANG

Journal Article