Search results for: Lijiang Hu

Items from 1 to 20 out of 28 results

article

Disorder of Iron Metabolism Inhibits the Recovery of Unloading‐Induced Bone Loss in Hypomagnetic Field

Yanru Xue, Jiancheng Yang, Jie Luo, Li Ren, more

Journal of Bone and Mineral Research > 35 > 6 > 1163 - 1173

Exposure of humans and animals to microgravity in spaceflight results in various deleterious effects on bone health. In addition to microgravity, the hypomagnetic field (HyMF) is also an extreme environment in space, such as on the Moon and Mars; magnetic intensity is far weaker than the geomagnetic field (GMF) on Earth. Recently, we showed that HyMF promoted additional bone loss in hindlimb unloading–induced...

article

Safety of exposure to high static magnetic fields (2 T–12 T): a study on mice

Shenghang Wang, Jie Luo, Huanhuan Lv, Zhihao Zhang, more

European Radiology > 2019 > 29 > 11 > 6029-6037

Objectives We aimed to evaluate the biological effects of high static magnetic field (HiSMF, 2–12 Tesla [T]) exposure on mice in a stable and effective breeding environment in the chamber of a superconducting magnet. Methods C57BL/6 mice were bred in the geomagnetic field and HiSMF with different magnetic field strengths (2–4 T, 6–8 T, and 10–12 T) for 28 days. The body weight, blood indices, organ...

article

Mutual promotion of electrochemical-localized surface plasmon resonance on nanochip for sensitive sialic acid detection

Shuang Li, Jinglong Liu, Yanli Lu, Long Zhu, more

Biosensors and Bioelectronics > 2018 > 117 > C > 32-39

Localized surface plasmon resonance (LSPR) induced charge separation were concentrated on the metal nanoparticles surface, which made it sensitive to the surface refractive index changes during optical sensing. Similarly, electrochemical detection was based on the electron transformation on the electrode surface. Herein, we fabricated a nanochip by decorating a nanocone-array substrate with gold nanoparticles...

article

Preparation of 3D printable micro/nanocellulose-polylactic acid (MNC/PLA) composite wire rods with high MNC constitution

Zhiguo Wang, Junfei Xu, Yingzhao Lu, Lijiang Hu, more

Industrial Crops and Products > 2017 > 109 > C > 889-896

A method for the preparation of 3D printing wire rods of a micro/nanocellulose-polylactic acid (MNC/PLA) composite with up to 30% MNC constitution was developed. The micro/nanocellulose (MNC) obtained through a simple mechanical treatment of polyols swelled bleached softwood pulp possessed a mixture of micro-cellulose fibers (width was less than 2μm) and nanocellulose fibers (width was at nanoscale)...

article

Biomimetic sensor for sweet taste detection based on graphene composite materials

Qian Zhang, Diming Zhang, Gang Xu, Yanli Lu, more

Sensors and Actuators B: Chemical > 2017 > 251 > C > 909-917

Sweet taste detection is of great significance in fields of disease prevention, food safety inspection, and drug regulation. In this study, a novel biomimetic sensor was constructed for sweet taste detection by compositing graphene oxide, hemin, and 3-aminophenylboronic acid (APBA). First, optimal fabrication of the sensor was investigated by comparing different composition proportions of graphene...

article

Versatile protonic acid mediated preparation of partially deacetylated chitin nanofibers/nanowhiskers and their assembling of nano-structured hydro- and aero-gels

Rong Wang, Liang Liu, Juan Yu, Zhiguo Wang, more

Cellulose > 2017 > 24 > 12 > 5443-5454

The partially deacetylated α-chitin nanofiber/nanowhisker (DEChN) aqueous dispersions were prepared by alkali deacetylation. The following mechanical treatment under acidic conditions was mediated by five different organic protonic acids, including acetic acid, gluconic acid, itaconic acid, citric acid and ascorbic acid. Thereafter, these acidic DEChN dispersions were transformed into hydrogels under...

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

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...

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...

article

Study of three‐dimensional configurations of (γ‐methacryloxypropyl)‐silsesquioxanes by ultraviolet laser matrix‐assisted desorption/ionization time‐of‐flight mass spectrometry and quantum chemical calculation

Di Wang, Hong You, Lijiang Hu

Rapid Communications in Mass Spectrometry > 25 > 11 > 1652 - 1660

[(3‐Methacryloxy)propyl]silsesquioxanes (MSSO) were prepared from the hydrolytic condensation of [(3‐methacryloxy)‐propyl]trimethoxysilane (MPMS) in the presence of an acid catalyst (HCOOH). The proposed MSSO structures were characterized with Fourier transform infrared (FTIR) and nuclear magnetic resonance (NMR) (¹H, ¹³C and ²⁹Si), and were assigned by ultraviolet laser matrix‐assisted desorption/ionization...

article

Initial screening studies on potential of high phenolic-linked plant clonal systems for nitrate removal in cold latitudes

Derong Lin, Lijiang Hu, Hong You, Dipayan Sarkar, more

Journal of Soils and Sediments > 2010 > 10 > 5 > 923-932

Purpose Nitrate removal is a major challenge in drinking water systems and is more acute in colder latitudes due to low metabolic conversion rates of biological systems. To achieve rapid nitrate removal, designed plant systems in greenhouse microenvironments has potential. In such localized controlled microenvironments, higher temperatures can be managed for plant growth in an appropriate growth medium...

article

Fabrication of nonlinear optical films based on methacrylate/silica hybrid matrix

Di Wang, Xiaodong Chen, Xingwen Zhang, Wunjun Wang, more

Current Applied Physics > 2009 > 9 > 3 Supplement > S170-S173

A free-radical polymerization was performed to fabricate nonlinear optical (NLO) hybrid films based on nanostructural building blocks and an interpenetrating methacrylate/silica hybrid matrix (IHM). A bulky chromophore (disperse orange 3) bonded with ally glycidyl ether (AGE) was incorporated into the hybrid matrix in combination with (γ-methacrylpropyl)-silsesquioxane through the polymerization....

chapter

Calculation of phase transformation of vanadium oxide using MD simulation and its validation by experimental values

Di Wang, Xiaodong Chen, Qun Zhang, Yu Liu, more

2009 4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems > 593 - 596

2009 4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (IEEE-NEMS 2009)

In the first part of this work, a combination of a software program (molecular dynamic simulation) and traditional optical equations are employed to calculate the state density and band structures of vanadium oxide (including VO, VO₂, V₂O₃ and V₂O₅) in the wavelength range of 10600 nm to confirm the presence of phase transformations of vanadium oxide. The calculations show that VO and V₂O₃ have transited...

chapter

Study on phenolic-resin/carbon-fiber ablation composites modified with polyhedral oligomeric silsesquioxanes

Yu Liu, Zushun Lu, Xiaodong Chen, Di Wang, more

2009 4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems > 605 - 608

2009 4th IEEE International Conference on Nano/Micro Engineered and Molecular Systems (IEEE-NEMS 2009)

This study focuses on phenolic-resin/carbon-fiber (PR/CF) ablation composites modified with polyhedral oligomeric silsesquioxane (POSS) and tetraethoxysilicate (TEOS). Four nanomodifiers based on diglycidyl ether of biphenol A (DGEBA), TEOS-SiO₂ (T-SiO₂), octamethyl-POSS (Me-POSS) and phenyl-POSS (Ph-POSS) were prepared and employed to modify the PR/CF ablation materials. To compare ablation properties...

article

Enhancement corrosion resistance of (3-methacryloxypropyl)silsesquioxane hybrid films and its validation by gas-molecule diffusion coefficients using MD simulation

Di Wang, Xiaodong Chen, Xingwen Zhang, Yu Liu, more

Journal of Sol-Gel Science and Technology > 2009 > 49 > 3 > 293-300

In the first part of this work, based on silsesquioxanes (SSO) derived from hydrolytic condensation of (3-methacryloxypropyl)trimethoxysilane (MPMS) and tetraethoxysilane (TEOS), two hybrid films, f-MPMS-SSO (f-MS) and f-MPMS-TEOS-SSO (f-MTS) modified with 15 wt% TEOS, were prepared. The anticorrosion properties (corrosion potential, E _corr, and corrosion current density, I _corr) of the bare aluminum...

article

Poss/TiO2 as sun protection factors for skin changes caused by ultraviolet A radiation

Xiaodong Chen, Di Wang, Yu Liu, Lijiang Hu

Journal of Biotechnology > 2008 > 136 > Supplement > S755-S756

article

Silsesquioxane nanohybrids as sun protection factor ingredients and films of greenhouse

Di Wang, Xiaodong Chen, Xuandong Li, Yu Liu, more

Journal of Biotechnology > 2008 > 136 > Supplement > S449

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Search results for: Lijiang Hu

Disorder of Iron Metabolism Inhibits the Recovery of Unloading‐Induced Bone Loss in Hypomagnetic Field

Safety of exposure to high static magnetic fields (2 T–12 T): a study on mice

Mutual promotion of electrochemical-localized surface plasmon resonance on nanochip for sensitive sialic acid detection

Preparation of 3D printable micro/nanocellulose-polylactic acid (MNC/PLA) composite wire rods with high MNC constitution

Biomimetic sensor for sweet taste detection based on graphene composite materials

Versatile protonic acid mediated preparation of partially deacetylated chitin nanofibers/nanowhiskers and their assembling of nano-structured hydro- and aero-gels

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

Controlling nanostructure in periodic mesoporous hexylene-bridged polysilsesquioxanes

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

Study of three‐dimensional configurations of (γ‐methacryloxypropyl)‐silsesquioxanes by ultraviolet laser matrix‐assisted desorption/ionization time‐of‐flight mass spectrometry and quantum chemical calculation

Initial screening studies on potential of high phenolic-linked plant clonal systems for nitrate removal in cold latitudes

Fabrication of nonlinear optical films based on methacrylate/silica hybrid matrix

Calculation of phase transformation of vanadium oxide using MD simulation and its validation by experimental values

Study on phenolic-resin/carbon-fiber ablation composites modified with polyhedral oligomeric silsesquioxanes

Enhancement corrosion resistance of (3-methacryloxypropyl)silsesquioxane hybrid films and its validation by gas-molecule diffusion coefficients using MD simulation

Poss/TiO2 as sun protection factors for skin changes caused by ultraviolet A radiation

Silsesquioxane nanohybrids as sun protection factor ingredients and films of greenhouse

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