成果/Result
- Effects of ultrasonic treatment during acid hydrolysis on the yield, particle size and structure of cellulose nanocrystals被引量:108收藏
- 作者:Guo, Juan[1,2] Guo, Xuxia[1] Wang, Siqun[1,3] Yin, Yafang[1,2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Univ Tennessee
- 来源:CARBOHYDRATE POLYMERS 2016
- 关键词:Cellulose nanocrystals Ultrasonic treatment Crystal size Raman spectrum Fourier transform infrared spectra
- Changes of wood cell walls in response to hygro-mechanical steam treatment被引量:100收藏
- 作者:Guo, Juan[1] Song, Kunlin[1] Salmen, Lennart[2,3] Yin, Yafang[1,2]
- 机构:Chinese Acad Forestry;Royal Inst Technol KTH;Innventia AB
- 来源:CARBOHYDRATE POLYMERS 2015
- 关键词:Cell wall Hygro-mechanical steam treatment Earlywood Latewood Biopolymer components
- Heterogeneously Modified Cellulose Nanocrystals-Stabilized Pickering Emulsion: Preparation and Their Template Application for the Creation of PS Microspheres with Amino-Rich Surfaces被引量:64收藏
- 作者:Du, Wenbo[1,2] Guo, Juan[3,4] Li, Huaming[1,2] Gao, Yong[1,2]
- 机构:Xiangtan Univ;Coll Hunan Prov;Chinese Acad Forestry;Chinese Acad Forestry
- 来源:ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2017
- 关键词:ellulose nanocrystals (CNCs) Pickering emulsion Reversible covalent bond Template
- Effects of ageing on the cell wall and its hygroscopicity of wood in ancient timber construction被引量:38收藏
- 作者:Guo, Juan[1] Zhou, Haibin[1] Stevanic, Jasna S.[2] Dong, Mengyu[1] Yu, Min[1]
- 机构:Chinese Acad Forestry;Res Inst Sweden
- 来源:WOOD SCIENCE AND TECHNOLOGY 2018
- 关键词:Cellulose - Crystallinity - Crystallites - deterioration - Forestry - Fourier transform infrared spectroscopy - Glucose - Lignin - Moisture - Timber - Walls (structural partitions)
- deterioration of the cell wall in waterlogged wooden archeological artifacts, 2400 years old被引量:37收藏
- 作者:Guo, Juan[1,2] Xiao, Lin[3,4] Han, Liuyang[1,2] Wu, Hao[4,5] Yang, Tao[3,4]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Chengdu Inst Cultural Rel & Archaeol;State Adm Cultural Heritage Chengdu Workstn;Jingzhou Conservat Ctr
- 来源:IAWA JOURNAL 2019
- 关键词:Waterlogged archeological wood cell wall chemical structure cellulose crystallites porous structure water
- Even Visually Intact Cell Walls in Waterlogged Archaeological Wood Are Chemically deteriorated and Mechanically Fragile: A Case of a 170 Year-Old Shipwreck被引量:34收藏
- 作者:Han, Liuyang[1,2] Tian, Xingling[3] Keplinger, Tobias[4,5] Zhou, Haibin[6] Li, Ren[1,2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Chinese Acad Cultural Heritage;Swiss Fed Inst Technol;EMPA
- 来源:MOLECULES 2020
- 关键词:waterlogged archaeological wood cell wall structure cell wall mechanics deterioration FTIR imaging Raman imaging
- Cellulose nanocrystals as water-in-oil Pickering emulsifiers via intercalative modification被引量:32收藏
- 作者:Guo, Juan[1,2] Du, Wenbo[3] Gao, Yong[3] Cao, Yuan[4] Yin, Yafang[1,2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Xiangtan Univ;Chinese Acad Forestry
- 来源:COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS 2017
- 关键词:Cellulose nanocrystals Intercalative modification Pickering emulsion degree of substitution Hydroxyl group
- An injectable self-healing hydrogel-cellulose nanocrystals conjugate with excellent mechanical strength and good biocompatibility被引量:31收藏
- 作者:Du, WenBo[1,2] Deng, Amin[1,2] Guo, Juan[4] Chen, Jian[3] Li, Huaming[1,2]
- 机构:Xiangtan Univ;Xiangtan Univ;Hunan Univ Sci & Technol;Chinese Acad Forestry
- 来源:CARBOHYDRATE POLYMERS 2019
- 关键词:Cellulose nanocrystals (CNCs) Graft Nanocomposite hydrogel Reversible covalent bond Self-healing
- The influence of thermo-hygro-mechanical treatment on the micro- and nanoscale architecture of wood cell walls using small- and wide-angle X-ray scattering被引量:30收藏
- 作者:Guo, Juan[1] Rennhofer, Harald[2] Yin, Yafang[1] Lichtenegger, Helga C.[2]
- 机构:Chinese Acad Forestry;Univ Nat Resources & Life Sci BOKU
- 来源:CELLULOSE 2016
- 关键词:Cellulose crystallites Compression combined with steam treatment Small-angle X-ray scattering Wide-angle X-ray scattering Earlywood Latewood
- Hygroscopicity of Waterlogged Archaeological Wood from Xiaobaijiao No.1 Shipwreck Related to Its deterioration State被引量:24收藏
- 作者:Han, Liuyang[1,2] Guo, Juan[1,2] Wang, Kun[3] Gronquist, Philippe[4,5] Li, Ren[1,2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Beijing Forestry Univ;Swiss Fed Inst Technol;Empa
- 来源:POLYMERS 2020
- 关键词:morphological structure sorption behavior sorption fitting model compositional analysis hydroxyl accessibility
- Evaluation of the deterioration State of Archaeological Wooden Artifacts: A Nondestructive Protocol based on Direct Analysis in Real Time - Mass Spectrometry (DART-MS) Coupled to Chemometrics被引量:21收藏
- 作者:Guo, Juan[1] Zhang, Maomao[1] Liu, Jian'an[2] Luo, Rupeng[2] Yan, Tingting[1]
- 机构:Chinese Acad Forestry;Zhejiang Prov Inst Cultural Rel & Archaeol;Chengdu Inst Cultural Rel & Archaeol
- 来源:ANALYTICAL CHEMISTRY 2020
- 关键词:Dimers - Discriminant analysis - Ions - Least squares approximations - Lignin - Mass spectrometry - Wood preservation
- Nanomechanical and Topochemical Changes in Elm Wood from Ancient Timber Constructions in Relation to Natural Aging被引量:18收藏
- 作者:Han, Liuyang[1] Wang, Kun[2] Wang, Weibin[3] Guo, Juan[1] Zhou, Haibin[1]
- 机构:Chinese Acad Forestry;Beijing Forestry Univ;Shanxi Ancient Bldg Maintenance Qual Supervis Stn
- 来源:MATERIALS 2019
- 关键词:timber buildings aged wood nanoindentation (NI) Raman spectra
- A comparative metabolomics analysis of the components of heartwood and sapwood in Taxus chinensis (Pilger) Rehd.被引量:18收藏
- 作者:Shao, Fenjuan[1] Zhang, Lisha[1] Guo, Juan[2] Liu, Xiaochun[3] Ma, Wenhui[4]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Gansu Forestry & Grassland Adm;Liangdang Forestry Adm;CSIRO Agr & Food
- 来源:SCIENTIFIC REPORTS 2019
- Effects of thermo-hygro-mechanical (THM) treatment on the viscoelasticity of in-situ lignin被引量:16收藏
- 作者:Guo, Juan[2] Yin, Jiangping[2] Zhang, Yonggang[2] Salmen, Lennart[1] Yin, Yafang[2]
- 机构:RISE Bioecon;Chinese Acad Forestry
- 来源:HOLZFORSCHUNG 2017
- 关键词:compression ratio dynamic mechanical analysis earlywood latewood lignin softening steam temperature wood
- Evaluation of PEG and sugars consolidated fragile waterlogged archaeological wood using nanoindentation and ATR-FTIR imaging被引量:15收藏
- 作者:Han, Liuyang[1,2,3] Guo, Juan[2,3] Tian, Xingling[4] Jiang, Xiaomei[2,3] Yin, Yafang[2,3]
- 机构:Univ Sci & Technol Beijing;Chinese Acad Forestry;Wood Collect Chinese Acad Forestry;Chinese Acad Cultural Heritage
- 来源:INTERNATIONAL BIODETERIORATION & BIODEGRADATION 2022
- 关键词:Waterlogged archaeological wood Micromechanical property Morphological structure Thermogravimetric analysis The Xiaobaijiao I shipwreck
- Timber species identification from chemical fingerprints using direct analysis in real time (DART) coupled to Fourier transform ion cyclotron resonance mass spectrometry (FTICR-MS): comparison of wood samples subjected to different treatments被引量:14收藏
- 作者:Zhang, Maomao[1,2,3] Zhao, Guangjie[3] Guo, Juan[1,2] Wiedenhoeft, Alex C.[4,5] Liu, Charles C.[6]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Beijing Forestry Univ;US Forest Serv;Univ Wisconsin
- 来源:HOLZFORSCHUNG 2019
- 关键词:air-dried wood chips DART-FTICR-MS metabolomics analysis OPLS-DA species-level wood identification
- Characterisation of waterlogged archaeological wood from Nanhai No. 1 shipwreck by multidiSCIplinary diagnostic methods被引量:14收藏
- 作者:Li, Ren[1,2,3] Guo, Juan[1,3] Macchioni, Nicola[4] Pizzo, Benedetto[4] Xi, Guanglan[5]
- 机构:Chinese Acad Forestry;Beijing Forestry Univ;Chinese Acad Forestry;CNR IBE;Natl Ctr Archaeol
- 来源:JOURNAL OF CULTURAL HERITAGE 2022
- 关键词:Waterlogged archaeological wood Whole-slide imaging decay class Maximum water content Fourier transform infrared spectroscopy
- A GC-MS Protocol for Separating Endangered and Non-endangered Pterocarpus Wood Species被引量:9收藏
- 作者:Zhang, Maomao[1,2,3] Zhao, Guangjie[2] Guo, Juan[1,3] Liu, Bo[1,3] Jiang, Xiaomei[1,3]
- 机构:Chinese Acad Forestry;Beijing Forestry Univ;Chinese Acad Forestry
- 来源:MOLECULES 2019
- 关键词:GC-MS xylariums orthogonal partial least squares-discriminant analysis (OPLS-DA) species level wood identification extract
- Ancient plastid genomes solve the tree species mystery of the imperial wood "Nanmu" in the Forbidden City, the largest existing wooden palace complex in the world被引量:9收藏
- 作者:Jiao, Lichao[1,2] Lu, Yang[1,2] Zhang, Ming[3] Chen, Yongping[1] Wang, Zhaoshan[4]
- 机构:Chinese Acad Forestry;Natl Forestry & Grassland Adm;Northwest Univ;Chinese Acad Forestry;Chinese Acad Sci
- 来源:PLANTS PEOPLE PLANET 2022
- 关键词:ancient DNA archeological wood Forbidden City Phoebe species identification wood anatomy
- Thermoporometry of waterlogged archaeological wood: Insights into the change of pore traits after the water-removal by supercritical drying被引量:8收藏
- 作者:Guo, Juan[1] Chen, Jiabao[1] Li, Ren[1] Liu, Jian'an[2] Luo, Rupeng[2]
- 机构:Chinese Acad Forestry;Zhejiang Prov Inst Cultural Rel & Archaeol
- 来源:THERMOCHIMICA ACTA 2022
- 关键词:Archaeological wood Pore Water-removal DSC thermoporosimetry N-2 adsorption Mercury porosimetry
- Ray Traits of Juvenile Wood and Mature Wood: Pinus massonia and Cunninghamia lanceolata被引量:8收藏
- 作者:Meng, Qiulu[1,2,3] Fu, Feng[2] Wang, Jie[2,3] He, Tuo[2,3] Jiang, Xiaomei[2,3]
- 机构:Guangxi Univ;Chinese Acad Forestry;Chinese Acad Forestry
- 来源:FORESTS 2021
- 关键词:conifer wood anatomy juvenile wood mature wood ray
- Cellulose nanocrystals: A layered host candidate for fabricating intercalated nanocomposites被引量:8收藏
- 作者:Guo, Juan[1,2] Du, Wenbo[3] Wang, Siqun[1,4] Yin, Yafang[1,2] Gao, Yong[3]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Xiangtan Univ;Univ Tennessee
- 来源:CARBOHYDRATE POLYMERS 2017
- 关键词:Cellulose nanocrystals Intercalation X-ray diffraction Molecular structure Thermal properties
- Molecular and crystal structures of cellulose in severely deteriorated archaeological wood被引量:7收藏
- 作者:Guo, Juan[1,2] Chen, Jiabao[1,2] Meng, Qiulu[1,2,3] Ploszczanski, Leon[4] Liu, Jian'an[5]
- 机构:Chinese Acad Forestry;Wood Collect Chinese Acad Forestry;Guangxi Univ;Univ Nat Resources & Life Sci;Zhejiang Prov Inst Cultural Rel & Archaeol
- 来源:CELLULOSE 0
- 关键词:Archaeological wood Cellulose Molecular structure Crystal structure X-ray scattering
- Non-destructive preservation state estimation of waterlogged archaeological wooden artifacts被引量:7收藏
- 作者:Chen, Jiabao[1,2] Liu, Shoujia[1,2] Yin, Lijuan[1,2] Cao, Huimin[1] Xi, Guanglan[3,4]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Natl Ctr Archaeol;Univ Sci & Technol Beijing;Zhejiang Prov Inst Cultural Rel & Archaeol
- 来源:SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023
- 关键词:Waterlogged archaeological wood NIR Preservation state Softwood Hardwood Non-destructive
- Influences of provenance and rotation age on heartwood ratio, stem diameter and radial variation in tracheid dimension of Cunninghamia lanceolata被引量:7收藏
- 作者:Guo, Juan[1] Guo, Xuxia[1] Xiao, Fuming[2] Xiong, Caiyun[2] Yin, Yafang[1]
- 机构:Chinese Acad Forestry;Jiangxi Acad Forestry
- 来源:EUROPEAN JOURNAL OF WOOD AND WOOD PRODUCTS 2018
- 关键词:Forestry - Rotation
- Studies on pre-treatment by compression for wood impregnation I: effects of compression ratio, compression direction, compression speed and compression-unloading place on the liquid impregnation of wood被引量:6收藏
- 作者:Zhao, Youke[1,2] Wang, Zhihui[2] Iida, Ikuho[3] Guo, Juan[2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Kyoto Prefectural Univ
- 来源:JOURNAL OF WOOD SCIENCE 2018
- 关键词:Pre-treatment Compression Wood impregnation Penetration
- Studies on pre-treatment by compression for wood impregnation II: the impregnation of wood compressed at different moisture content conditions被引量:6收藏
- 作者:Zhao, Youke[1,2] Zhao, Xin[2] Iida, Ikuho[3] Guo, Juan[2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Kyoto Prefectural Univ
- 来源:JOURNAL OF WOOD SCIENCE 2019
- 关键词:Pre-treatment Compression Moisture content Wood impregnation
- Characterization and comparison of the wood anatomical traits of plantation grown Quercus acutissima and Quercus variabilis被引量:5收藏
- 作者:Wang, Jie[1,2] Li, Shan[1,2,3] Guo, Juan[1,2] Ren, Haiqing[4] Wang, Yurong[4]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;Shaanxi Univ Sci & Technol;Chinese Acad Forestry
- 来源:IAWA JOURNAL 2021
- 关键词:Wood anatomy heartwood sapwood growth ring width
- A novel constitutive model for the porosity related super-large deformation and anisotropic behavior of wood under perpendicular to grain compression被引量:5收藏
- 作者:Zhong, Yong[1] Wu, Guofang[1] Fu, Feng[1] Shen, Yinlan[2] Sun, Jingcheng[1]
- 机构:Chinese Acad Forestry;Beijing Univ Technol
- 来源:WOOD SCIENCE AND TECHNOLOGY 2022
- 关键词:Anisotropy - Compaction - Compression testing - Constitutive models - deformation - Porosity
- Can quantitative wood anatomy data coupled with machine learning analysis discriminate CITES species from their look-alikes?被引量:4收藏
- 作者:Liu, Shoujia[1,2] He, Tuo[1,2] Wang, Jiajun[1] Chen, Jiabao[1,2] Guo, Juan[1,2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry;USDA;Univ Wisconsin;Purdue Univ
- 来源:WOOD SCIENCE AND TECHNOLOGY 2022
- 关键词:Classifiers - Conservation - decision trees - Machine learning - Timber