Wu Lan

South China University of Technology

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Chuanfu Liu

South China University of Technology

John Ralph

University of Wisconsin–Madison

Fengxia Yue

South China University of Technology

Jeremy S. Luterbacher

École Polytechnique Fédérale de Lausanne

Jorge Rencoret

Instituto de Recursos Naturales y Agrobiología de Sevilla

Fachuang Lu

University of Wisconsin–Madison

Xu Zeng

Tongji University

Zengyong Li

National Research Center for Rehabilitation Technical Aids

José C. del Rı́o

Instituto de Recursos Naturales y Agrobiología de Sevilla

Run‐Cang Sun

Dalian Polytechnic University

Cooperative Institutions

South China University of Technology

Chinese Academy of Sciences

University of Wisconsin–Madison

Great Lakes Bioenergy Research Center

University of Chinese Academy of Sciences

Sichuan University

Tsinghua University

Shandong University

Wenzhou Medical University

Affiliated Eye Hospital of Wenzhou Medical College

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Ultrasound-assisted dissolution of cellulose in ionic liquid

Carbohydrate Polymers (2011)

Wu Lan Chuanfu Liu Fengxia Yue Run‐Cang Sun John F. Kennedy

Regenerated cellulose

Thermal Stability

10.1016/j.carbpol.2011.05.013

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Citations (159)

The antioxidant activities of extracts from Broussonetia papyrifera in vitro

Zhongguo laonianxue zazhi (2010)

Wu Lan

Objective To study the antioxidant activities of extracts from Broussonetia papyrifera in vitro.Methods B.papyrifera was treated with 80% ethanol and then the residue was extracted with water.The ethanol extract were extracted respectively by petroleum ether,chloroform,ethyl acetate,n-butanol.At the same time,crude polysaccharide was obtained by ethanol precipitation from water extract.The antioxidant activities of the above extracts in vitro were compared by the hydroxyl free radical(·OH),DPPH free radical(DPPH·) and deoxidization Fe3+ reaction system.Results The extracts from B.papyrifera had good scavenging effect on the hydroxyl free radical and DPPH free radical.Ethanol extract had the best scavenging effect on hydroxyl free radical system,which corresponding IC50 value was 0.28 mg/ml.Ethyl acetate extacts had the best scavenging effect on DPPH free radical,which corresponding IC50 value reached to 0.08 mg/ml.All of the extracts had strong deoxidization ability of Fe3+.Among of them,ethyl acetate extracts had significant deoxidization ability.Conclusions Broussonetia papyrifera has stronger antioxidant activities and will be widely applicated on anti-aging.

Broussonetia

Ethanol precipitation

Hydroxyl radical

Petroleum ether

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Lignin monomers from the flavonoid and stilbene biosynthetic pathways

José C. del Rı́o Jorge Rencoret Ana Gutiérrez Wu Lan Hoon Kim

Comunicacion oral presentada en la XXIX Conferencia Internacional sobre Polifenoles y la 9a Conferencia de Taninos, del 16 al 20 de julio de 2018 Madison, WI, USA

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Cu(II) Metal-Organic Framework Encapsulated in Carbon Paste Electrode for High-Performance Non-Enzymatic Glucose Sensing

CHINESE JOURNAL OF ANALYTICAL CHEMISTRY (CHINESE VERSION) (2020)

Wu Lan Zhiwei Lu Ying Ma Junjun Zhang Guangquan Mo

Chronoamperometry

Carbon fibers

Carbon paste electrode

10.1016/s1872-2040(20)60006-8

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Quantitative Extraction of p-Coumaric Acid and Ferulic Acid in Different Gramineous Materials and Structural Changes of Residual Alkali Lignin

JOURNAL OF RENEWABLE MATERIALS (2022)

Tanhao Zhang Shuo Zhang Wu Lan Fengxia Yue

Ferulic acid (FA) and p-coumaric acid (pCA) in bagasse, wheat straw, corn straw, and corncob were extracted by alkaline hydrolysis and characterized by gas chromatography (GC) and gas chromatography-mass spectrometry (GC-MS). It was found that the FA and most of the pCA in gramineous biomass could be dissociated and released after being treated with 1 M NaOH at 100°C for 4 h. The yields of pCA/FA in bagasse, wheat straw, corn straw, and corncob determined by GC-FID are 39.8/11.5, 13.7/11.0, 28.0/11.0, and 35.1/14.5 mg/g, respectively. The raw materials and the treated solid residues were characterized by gel-state 2D Heteronuclear Single Quantum Coherence Nuclear Magnetic Resonance (2D HSQC NMR). It was found that only a small amount of lignin was detected in the residue after alkali treatment, indicating that the alkali treatment conditions can effectively cleave the FA and pCA. Additionally, the lignin in the alkali solution was recovered and characterized by 2D HSQC NMR. The FA was not able to be detected by NMR, whereas a small amount of pCA remained in the alkali lignin. This study reveals the structural change of residual lignins during the quantitative isolation of FA and pCA, which is essential for the selective isolation of pCA/FA and valorization of residual alkali lignin.

Bagasse

Corncob

10.32604/jrm.2023.025701

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Green approach to produce xylo-oligosaccharides and glucose by mechanical-hydrothermal pretreatment

Bioresource Technology (2021)

Fulong Zhang Wu Lan Aiping Zhang Chuanfu Liu

Hemicellulose

Corn stover

Enzymatic Hydrolysis

Residue (chemistry)

Stover

10.1016/j.biortech.2021.126298

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Citations (51)

Efficient and Facile Biphasic Pretreatment by Synergistic Effect of 2-Phenoxyethanol and Phosphotungstic Acid for Comprehensive Utilization of Lignocellulosic Biomass

Weiwei Shu Yang Lu Manman Yu Wu Lan Liang Yuan

Phosphotungstic acid

Lignocellulosic Biomass

10.2139/ssrn.4900113

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Efficient Synthesis of Pinoresinol, an Important Lignin Dimeric Model Compound

Frontiers in Energy Research (2021)

Fengxia Yue Wu Lan Liming Zhang Fachuang Lu Run‐Cang Sun

Pinoresinol is a high-value monolignol-derived lignan used in plant defense and with human health-supporting effects. The synthetic yield and isolation efficiency of racemic pinoresinol from coniferyl alcohol by conventional radical coupling methods is sub-optimal. In this work, a facile and efficient synthetic approach was developed to synthesize pinoresinol with much higher yield. By using 5-bromoconiferyl alcohol, which was synthesized in high yield from 5-bromovanillin, to make 5,5′-bromopinoresinol via a peroxidase-mediated radical coupling reaction takes advantage of the smaller variety of radical coupling products from the 5-substituted monolignol, producing simpler product mixtures from which 5,5′-bromopinoresinol may be readily crystalized with good yield (total yield of 44.1% by NMR; isolated crystalline yield of 24.6%). Hydro-debromination of the crystalline 5,5′-bromopinoresinol to pinoresinol was essentially quantitative. Gram quantities of pinoresinol were conveniently synthesized by using this approach. This simple alternative pathway to make pinoresinol will impact pinoresinol-related research including structural characterization and modification of lignins, as well as clinical applications of pinoresinol and its derivatives.

Pinoresinol

Monolignol

Coniferyl alcohol

10.3389/fenrg.2021.640337

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Citations (6)

Tricin, a Flavonoid Monomer in Monocot Lignification 1(OPEN)

Wu Lan Fachuang Lu Matthew Regner Yimin Zhu Jorge Rencoret

Tricin

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Properties and Application of Superabsorbent Polymers

Shandong huagong (2005)

Wu Lan

In this paper,development history and wide application fields of superabsorbent polymers are introduced.The kinds and properties of superabsorbent polymers are reviewed.At the same time,with analysis of its market potentialities and product cost,prospect of superabsorbent polymers is made.

Superabsorbent polymer

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