成果/Result
- Effects of ultrasonic treatment during acid hydrolysis on the yield, particle size and structure of cellulose nanocrystals被引量:128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:114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:70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:52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)
- Cellulose nanocrystals as water-in-oil Pickering emulsifiers via intercalative modification被引量:40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
- 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:39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
- An injectable self-healing hydrogel-cellulose nanocrystals conjugate with excellent mechanical strength and good biocompatibility被引量:36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
- Hygroscopicity of Waterlogged Archaeological Wood from Xiaobaijiao No.1 Shipwreck Related to Its deterioration State被引量:28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:28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
- DNA barcoding authentication for the wood of EIght endangered Dalbergia timber species using machine learning approaches被引量:25收藏
- 作者:He, Tuo[1,2] Jiao, Lichao[1,2] Yu, Min[1,2] Guo, Juan[1,2] Jiang, Xiaomei[1,2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry
- 来源:HOLZFORSCHUNG 2019
- 关键词:Dalbergia timber species DNA barcoding illegal logging machine learning approaches (MIAs) reference library SMO classifier wood identification
- Evaluation of PEG and sugars consolidated fragile waterlogged archaeological wood using nanoindentation and ATR-FTIR imaging被引量:22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
- Nanomechanical and Topochemical Changes in Elm Wood from Ancient Timber Constructions in Relation to Natural Aging被引量:20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
- 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:17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
- Thermoporometry of waterlogged archaeological wood: Insights into the change of pore traits after the water-removal by supercritical drying被引量:16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
- Molecular and crystal structures of cellulose in severely deteriorated archaeological wood被引量:12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:11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
- Changes in Moisture Characteristics of Waterlogged Archaeological Wood Owing to Microbial degradation被引量:11收藏
- 作者:Cao, Huimin[1,2] Gao, Xin[1] Chen, Jiabao[1] Xi, Guanglan[3] Yin, Yafang[1]
- 机构:Chinese Acad Forestry;Beijing Forestry Univ;Natl Ctr Archaeol
- 来源:FORESTS 2023
- 关键词:waterlogged archaeological wood moisture characteristics fiber saturation point pore size distribution NMR
- A novel constitutive model for the porosity related super-large deformation and anisotropic behavior of wood under perpendicular to grain compression被引量:8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
- 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
- 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
- Preservation status and microbial community of waterlogged archaeological woods over 7800 years old at the Jingtoushan Site, China被引量:7收藏
- 作者:Lu, Yang[1,2] Jiao, Lichao[1,2] Sun, Guoping[3] Wang, Jie[1,2] Liu, Shoujia[1,2]
- 机构:Chinese Acad Forestry;Natl Forestry & Grassland Adm;Zhejiang Prov Inst Cultural Rel & Archaeol
- 来源:WOOD SCIENCE AND TECHNOLOGY 2023
- 关键词:Bacteria - Cellulose - Wood
- Studies on pre-treatment by compression for wood impregnation II: the impregnation of wood compressed at different moisture content conditions被引量:7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
- Can quantitative wood anatomy data coupled with machine learning analysis discriminate CITES species from thEIr look-alikes?被引量:6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
- 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
- Insights into asynchronous changes of cell wall polymers accumulated in different cell types during conifer xylem differentiation被引量:4收藏
- 作者:Wang, Jie[1,2] Jia, Hao[3] Daniel, Geoffrey[4] Gao, Jie[4] Jiang, Xiaomei[1,2]
- 机构:Chinese Acad Forestry;Natl Forestry & Grassland Adm;Beihang Univ;Swedish Univ Agr Sci
- 来源:CARBOHYDRATE POLYMERS 2023
- 关键词:Xylem differentiation Cambium TrachEIds Rays Cell wall polymers
- Study of the Mechanical Properties of Wood under Transverse Compression Using Monto Carlo Simulation-Based Stochastic FE Analysis被引量:4收藏
- 作者:Wu, Guofang[1] Shen, Yinlan[2] Fu, Feng[1] Guo, Juan[1] Ren, Haiqing[1]
- 机构:Chinese Acad Forestry;Beijing Univ Technol
- 来源:FORESTS 2022
- 关键词:wood compression perpendicular to grain Monte Carlo Simulation finite element method stochastic FE
- Similarity network fusion for aggregating headspace GC-MS and direct analysis in real time-mass spectrometry data from solid samples to enhance species identification efficiency of high-temperature heated wood被引量:3收藏
- 作者:Zhang, Maomao[1,2,3] Guo, Juan[2,3] Lu, Yang[2,3] Jiao, Lichao[2,3] He, Tuo[2,3]
- 机构:Xian Univ Architecture & Technol;Chinese Acad Forestry;Chinese Acad Forestry
- 来源:JOURNAL OF WOOD SCIENCE 2022
- 关键词:Wood identification Headspace-gas chromatography-mass spectrometry (HS-GC-MS) Similarity network fusion (SNF) High-temperature heated wood Direct analysis in real time-mass spectrometry (DART-MS)
- Inter- and intra-growth ring variations of wood carbon fractions in Pinus tabuliformis被引量:1收藏
- 作者:Wei, Yupei[1,2] Zheng, Chang[1,2] Ma, Lingyu[1,2] Jiang, Xiaomei[1,2] Yin, Yafang[1,2]
- 机构:Chinese Acad Forestry;Chinese Acad Forestry
- 来源:HOLZFORSCHUNG 2024
- 关键词:carbon fraction earlywood and latewood juvenile wood mature wood Pinus tabuliformis
- 饱水考古木材保存状况评估研究进展被引量:0收藏
- 作者:Liuyang, Han[1,2,3] Juan, Guo[2,3] Xiangna, Han[1] Guanglan, Xi[4] Xingling, Tian[5]
- 机构: Institute for Cultural Heritage and History of Science & Technology; Research Institute of Wood Industry; Wood Specimen Resource Center ; National Center for Archaeology; China Academy of Cultural Heritage
- 来源:[1] Institute for Cultural Heritage and History of Science & Technology, University of Science and Technology Beijing, Beijing, 100083, China; [2] Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing, 100091, China; [3] Wood Specimen Resource Center [WOODPEDIA], National Forestry and Grassland Administration, Beijing, 100091, China; [4] National Center for Archaeology, Beijing, 100013, China; [5] China Academy of Cultural Heritage, Beijing, 100029, China 2024