Search results for: Derong Lin

Items from 1 to 20 out of 21 results

article

Ultrasound‐assisted extraction of tamarind xyloglucan: an effective approach to reduce the viscosity and improve the α‐amylase inhibition of xyloglucan

Xiujuan Jiang, Tian Yang, Yingting Li, Shuyang Liu, more

Journal of the Science of Food and Agriculture > 103 > 8 > 4047 - 4057

BACKGROUND Water extraction (WE) is the classical extraction method for tamarind xyloglucan (XyG), but its low yield, high viscosity and poor dispersion in aqueous solution are not conducive to the industrial applications. To promote the industrial application of tamarind XyG, an ultrasonic‐assisted extraction (UAE) method for extracting low‐viscosity XyG from tamarind kernel powder was proposed...

article

Screening and identification of Lactic acid bacteria from Ya’an pickle water to effectively remove Pb²⁺

Derong Lin, Hongfu Cao, Yixin Zhong, Yichen Huang, more

AMB Express > 2019 > 9 > 1 > 1-11

Heavy metal lead, which enters the human body through food intake, endangers human health. Microbe has the ability of adsorbing heavy metal, among which lactic acid bacteria are promising microbes to adsorb and remove Pb²⁺. The purpose of this study was to screen lactic acid bacteria from Ya’an pickle water to effectively remove Pb²⁺. The 7 strains having strong ability to effectively remove Pb²⁺...

article

Physico-mechanical and structural characteristics of starch/polyvinyl alcohol/nano-titania photocatalytic antimicrobial composite films

Derong Lin, Yichen Huang, Yuanqiang Liu, Tingting Luo, more

LWT - Food Science and Technology > 2018 > 96 > C > 704-712

Nano-titania has high photocatalytic activity and can degrade pollutants and wastes. However, there is relatively little research on nano-titania involved in biodegradable packaging composite membranes. In this experiment, the starch/polyvinyl alcohol/nano-titania (S/P/T) composite membrane was prepared with a flow casting process. The effects of different nano-titania contents on the physico-mechanical,...

article

Evaluation of the non-aldehyde volatile compounds formed during deep-fat frying process

Qing Zhang, Chong Wan, Chenzhi Wang, Hong Chen, more

Food Chemistry > 2018 > 243 > C > 151-161

To investigate the non-aldehyde volatile profile resulting from deep-fat frying, volatile compounds formed during the processes of heating soybean oil (SO), frying wheat dough (WD), and frying chicken breast meat (CBM) were comparatively studied. By using gas chromatography-mass spectrometry and internal standard method, alkanes, alkenes, alkynes, alcohols, ketones, nitrogen-containing volatiles (NCVs),...

article

Arabinoxylan activates lipid catabolism and alleviates liver damage in rats induced by high‐fat diet

Hong Chen, Yuanfang Fu, Xiujuan Jiang, Dongmei Li, more

Journal of the Science of Food and Agriculture > 98 > 1 > 253 - 260

BACKGROUND Arabinoxylan was thought to have the potential to change lipid metabolism and redox homeostasis in human and animal. However, the effect of arabinoxylan on the liver damage induced by high‐fat diet needs further exploiting. RESULTS Six‐weeks‐old 30 male Sprague–Dawley Rats were assigned randomly to three groups (n = 10 per group), i.e. a control diet (CON) group, a high‐fat diet (HF)...

chapter

Independent positive- and negative-sequence control for MMC-SAPF with unbalanced PCC voltage

Chengjing Li, Ke Dai, Derong Lin, Chen Xu, more

2017 IEEE Energy Conversion Congress and Exposition (ECCE) > 1823 - 1829

2017 IEEE Energy Conversion Congress and Exposition (ECCE)

This paper presents a harmonic suppression control strategy under unbalanced point of common coupling (PCC) voltage for modular multilevel converter based shunt active power filter (MMC-SAPF). Harmonics are extracted by multiple synchronous reference frame (MSRF) algorithm to generate the compensation current references of positive- and negative-sequence control for MMC-SAPF. The proposed independent...

chapter

Adaptive control for MMC-SAPF with balanced and unbalanced PCC voltage

Chengjing Li, Ke Dai, Derong Lin, Chen Xu, more

IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society > 67 - 72

IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society

Three-phase three-wire shunt active power filter (SAPF) with traditional positive-sequence control can only compensate part of the nonlinear load current harmonics if the PCC voltage changes from balanced to unbalanced condition. Changes of both nonlinear load current harmonic components and equivalent circuit for modular multilevel converter based SAPF (MMC-SAPF) are analyzed in the paper. To solve...

article

Urban livability and tourism development in China: Analysis of sustainable development by means of spatial panel data

Jingjing Liu, Peter Nijkamp, Xuanxuan Huang, Derong Lin

Habitat International > 2017 > 68 > C > 99-107

Tourism is not neutral with respect to local quality of life. With the transformation of traditional city roles and the boom of urban tourism in China, the interaction between tourism and local livability is increasingly important for sustainable development plans of urban areas. Our paper aims to address the complex interdependence of the emerging tourist industry and local livability in Chinese...

article

Study on the synthesis and physicochemical properties of starch acetate with low substitution under microwave assistance

Derong Lin, Wei Zhou, Jingjing Zhao, Weijie Lan, more

International Journal of Biological Macromolecules > 2017 > 103 > C > 316-326

In this study, synthesis and physicochemical properties of starch acetate with low substitution under microwave were studied. A three-level-three-factorial Central Composite Design using Response Surface Methodology (RSM) was employed to optimize the reaction conditions. The optimal parameters are as follows: amount of acetic anhydride of 12%, radiation time of 11min, and microwave power of 100W....

article

Urban-rural imbalance and Tourism-Led Growth in China

Jingjing Liu, Peter Nijkamp, Derong Lin

Annals of Tourism Research > 2017 > 64 > C > 24-36

This study investigates the structural effect of tourism on alleviating the urban-rural dichotomy and the moderating effect of a dual urban-rural economic structure on Tourism-Led Growth (TLG). A theoretical framework followed by an empirical analysis based on relevant data from 31 Chinese provinces for the years 1998–2013 is presented. The main conclusions of the econometric analysis are that tourism...

chapter

Design of a POSS-modified Zeolite Structure and the Study of the Enhancement of Ammonia-nitrogen Removal from Drinking Water

Derong Lin, Lijiang Hu, Qun Zhang, Hong You

Molecular Environmental Soil Science at the Interfaces in the Earth’s Critical Zone > Biogeochemical Interfacial Reactions and the Transformation, Transport and Fate of Vital and Toxic Elements > 118-120

In this work, the mesoporous zeolite molecular sieve (ZMS) surface was modified using polyhedral ologomeric silsesquioxane (POSS) with carboxyl sodium terminal groups (POSS^−COONa) as ion-exchange active groups. The characterization of the POSS^−COONa structure by standard techniques (such as SEM, TEM, XRD, etc.) was investigated and discussed. With this approach, the exchange capacity of ammonia-nitrogen...

article

The adsorption of lead(II) ions by dynamic high pressure micro-fluidization treated insoluble soybean dietary fiber

Hui Wang, Tao Huang, Zong - Cai Tu, Chuan - Ying. Ruan, more

Journal of Food Science and Technology > 2016 > 53 > 6 > 2532-2539

Insoluble dietary fiber from soybean residue (SIDF) was treated with dynamic high-pressure microfluidization (DHPM) and used as adsorbent for Pb(II) ion. The effects of pressure on the Pb(II) adsorption capacity, primary cilia structure and surface topography of SIDF were determined using a gastrointestinal simulated model in vitro. SIDF (at pH 7.0) showed maximum binding capacity (261.42 ± 2.77 μmol/g),...

article

Controlling nanostructure in periodic mesoporous hexylene-bridged polysilsesquioxanes

Derong Lin, Lijiang Hu, Stephanie H. Tolbert, Zhe Li, more

Journal of Non-Crystalline Solids > 2015 > 419 > Complete > 6-11

Periodic mesoporous bridged polysilsesquioxane (PMBPS) materials are hybrid organic inorganic materials with long range order and porosity between 1–15nm length scales and great promise as adsorbents and chromatographic materials. In this study, we describe the preparation and optimization of a class of PMBPS with hexylene-bridging groups and cubic Pm3n symmetry. These hexylene-PMBPSs were prepared...

chapter

The Impact of Perceived Security on Consumer E-Loyalty: A Study of Online Tourism Purchasing

Feng Cui, Derong Lin, Yinghua Huang

2015 IEEE First International Conference on Big Data Computing Service and Applications > 314 - 322

2015 IEEE First International Conference on Big Data Computing Service and Applications (BigDataService)

With the development of e-commerce and smart tourism, the combination of tourism and the internet has caused tourism purchasing in China to shift from traditional channels to online ones. However, while online tourism consumption has many advantages there are also high associated security risks. Understanding how perceived security impacts online tourism purchasing behavior is extremely important...

article

Characterization of a novel β-cypermethrin-degrading Aspergillus niger YAT strain and the biochemical degradation pathway of β-cypermethrin

Weiqin Deng, Derong Lin, Kai Yao, Huaiyu Yuan, more

Applied Microbiology and Biotechnology > 2015 > 99 > 19 > 8187-8198

Aspergillus niger YAT strain was obtained from Chinese brick tea (Collection number: CGMCC 10,568) and identified on the basis of morphological characteristics and internal transcribed spacer (ITS) sequence. The strain could degrade 54.83 % of β-cypermethrin (β-CY; 50 mg L⁻¹) in 7 days and 100 % of 3-phenoxybenzoic acid (3-PBA; 100 mg L⁻¹) in 22 h. The half-lives of β-CY and 3-PBA range from 3...

article

The changes in the volatile aldehydes formed during the deep-fat frying process

Qing Zhang, Wen Qin, Derong Lin, Qun Shen, more

Journal of Food Science and Technology > 2015 > 52 > 12 > 7683-7696

Volatile aldehydes (VAs) formed during soybean oil (SBO) heating, wheat dough (WD) frying, and chicken breast meat (CBM) frying processes were comparatively investigated by solid-phase micro-extraction-gas chromatography–mass spectrometry (SPME-GC-MS). The results showed that relative amounts (RAs) of the most detected VAs were firstly increased to maximum values in oil samples collected at the second...

article

Comparison of new periodic, mesoporous, hexylene-bridged polysilsesquioxanes with Pm3n symmetry versus sol–gel polymerized, hexylene-bridged gels

Derong Lin, Lijiang Hu, Hong You, Stephanie H. Tolbert, more

Journal of Non-Crystalline Solids > 2014 > 406 > Complete > 139-143

Hexylene-bridged polysilsesquioxanes were synthesized from 1,6-bis(triethoxysilyl)hexane (BESH) by acid- and base-catalyzed, sol–gel polymerizations and surfactant templating in order to compare, for the first time for any bridged polysilsesquioxane, the structures and porosities created by the different methods of preparation. Surfactant templating with Brij 56 under acidic conditions and N-(3-trimethyl-ammoniumpropyl)hexadecylammonium...

article

Synthesis and characterization of cubic mesoporous bridged polysilsesquioxane for removing organic pollutants from water

Derong Lin, Qing Zhao, Lijiang Hu, Baoshan Xing

Chemosphere > 2014 > 103 > Complete > 188-196

Hexane, octane, phenyl, and biphenyl-bridged bis(triethoxysilyl) precursors were used in synthesizing cubic mesoporous bridged polysilsesquioxane (BPS) copolymers. Structural characterization was carried out by FTIR, small angle XRD, Brunauer–Emmett–Teller-N ₂ sorption, ¹ H NMR, and TEM. We successfully synthesized both “rigid” and “soft” 3D cubic mesoporous BPS with high surface area...

article

Influence of alkylene-bridging group length on mesostructure and porosity in cubic (Pm3n) periodic mesoporous bridged polysilsesquioxanes

Derong Lin, Lijiang Hu, Zhe Li, Douglas A. Loy

Journal of Porous Materials > 2014 > 21 > 1 > 39-44

A family of three-dimensional cubic (Pm3n) periodic mesoporous silsequioxanes (PMS) with alkylene bridging groups was prepared by surfactant templating. PMS materials with methylene-, ethylene-, hexylene-, and octylene-bridging groups were synthesized from bis(triethoxysilyl)methane, 1, 2-bis(triethoxysilyl)ethane, 1, 6-bis(triethoxysilyl)hexane and 1, 8-bis(triethoxysilyl)octane, respectively, in...

article

Synthesis and characterization of a nanostructured photoluminescent silsesquioxane containing urea and dodecyl groups that can be patterned on carbon films

Derong Lin, Lijiang Hu, Hong You, Roberto J.J. Williams

European Polymer Journal > 2011 > 47 > 8 > 1526-1533

A silsesquioxane was synthesized by the hydrolysis and polycondensation of (EtO) ₃ Si(CH ₂ ) ₃ NHCONH(CH ₂ ) ₁₁ CH ₃ in tetrahydrofuran (THF) employing formic acid as catalyst. The silsesquioxane self-assembled into nanorods due to the strong H-bonds among urea groups and the tail-to-tail associations of organic chains. The nanostructuration was characterized...

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INFONA - science communication portal

Search results for: Derong Lin

Ultrasound‐assisted extraction of tamarind xyloglucan: an effective approach to reduce the viscosity and improve the α‐amylase inhibition of xyloglucan

Screening and identification of Lactic acid bacteria from Ya’an pickle water to effectively remove Pb²⁺

Physico-mechanical and structural characteristics of starch/polyvinyl alcohol/nano-titania photocatalytic antimicrobial composite films

Evaluation of the non-aldehyde volatile compounds formed during deep-fat frying process

Arabinoxylan activates lipid catabolism and alleviates liver damage in rats induced by high‐fat diet

Independent positive- and negative-sequence control for MMC-SAPF with unbalanced PCC voltage

Adaptive control for MMC-SAPF with balanced and unbalanced PCC voltage

Urban livability and tourism development in China: Analysis of sustainable development by means of spatial panel data

Study on the synthesis and physicochemical properties of starch acetate with low substitution under microwave assistance

Urban-rural imbalance and Tourism-Led Growth in China

Design of a POSS-modified Zeolite Structure and the Study of the Enhancement of Ammonia-nitrogen Removal from Drinking Water

The adsorption of lead(II) ions by dynamic high pressure micro-fluidization treated insoluble soybean dietary fiber

Controlling nanostructure in periodic mesoporous hexylene-bridged polysilsesquioxanes

The Impact of Perceived Security on Consumer E-Loyalty: A Study of Online Tourism Purchasing

Characterization of a novel β-cypermethrin-degrading Aspergillus niger YAT strain and the biochemical degradation pathway of β-cypermethrin

The changes in the volatile aldehydes formed during the deep-fat frying process

Comparison of new periodic, mesoporous, hexylene-bridged polysilsesquioxanes with Pm3n symmetry versus sol–gel polymerized, hexylene-bridged gels

Synthesis and characterization of cubic mesoporous bridged polysilsesquioxane for removing organic pollutants from water

Influence of alkylene-bridging group length on mesostructure and porosity in cubic (Pm3n) periodic mesoporous bridged polysilsesquioxanes

Synthesis and characterization of a nanostructured photoluminescent silsesquioxane containing urea and dodecyl groups that can be patterned on carbon films

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