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View article: Construction of acrylpimaric acid-bonded silica stationary phase and its application in mixed-mode chromatographic separation
Construction of acrylpimaric acid-bonded silica stationary phase and its application in mixed-mode chromatographic separation Open
The development of novel functional materials from renewable biomass resources has garnered widespread attention. This strategy not only effectively reduces the reliance on petrochemical raw materials in the preparation process， thereby re…
View article: N, S co-doping three-dimensional honeycomb-like porous carbon for lithium ion battery and supercapacitor
N, S co-doping three-dimensional honeycomb-like porous carbon for lithium ion battery and supercapacitor Open
N, S co-doping three-dimensional (3D) honeycomb-like porous carbon derived from pinecone (NSZPC) was fabricated through preoxidation and subsequent calcination in the presence of zinc chloride and thiourea. Owing to the synergistic effect …
View article: Gleditsia sinensis galactomannan-based composite hydrogel with exceptional water retention
Gleditsia sinensis galactomannan-based composite hydrogel with exceptional water retention Open
A novel epoxy-cross-linked hyaluronic acid/galactomannan composite hydrogel was prepared from Gleditsia sinensis using various alkyl glycidyl ethers as cross-linking agents. The morphological, physicochemical, and mechanical properties of …
View article: Synthesis, Antifungal Activity, 3D-QSAR and Controlled Release on Hydrotalcite Study of Longifolene-Derived Diphenyl Ether Carboxylic Acid Compounds
Synthesis, Antifungal Activity, 3D-QSAR and Controlled Release on Hydrotalcite Study of Longifolene-Derived Diphenyl Ether Carboxylic Acid Compounds Open
Twenty-two novel longifolene-derived diphenyl ether-carboxylic acid compounds 7a–7v were synthesized from renewable biomass resources longifolene, and their structures were confirmed by FT-IR, 1H NMR, 13C NMR, and HRMS. The preliminary eva…
View article: Synthesis and anti-proliferative activity of dehydroabietinol derivatives bearing a triazole moiety
Synthesis and anti-proliferative activity of dehydroabietinol derivatives bearing a triazole moiety Open
In search of more efficacious antitumor agents, a series of novel dehydroabietinol derivatives containing a triazole moiety was synthesized, and evaluated the cytotoxicity and preliminary pharmacological mechanism.
View article: Facile Access to Gleditsia microphylla Galactomannan Hydrogel with Rapid Self-Repair Capacity and Multicyclic Water-Retaining Performance of Sandy Soil
Facile Access to Gleditsia microphylla Galactomannan Hydrogel with Rapid Self-Repair Capacity and Multicyclic Water-Retaining Performance of Sandy Soil Open
Sandy soil has poor water-holding performance, making it difficult for plants to survive, which worsens the deterioration of the ecological environment. Therefore, borax cross-linked Gleditsia microphylla galactomannan hydrogel (GMGH) was …
View article: Removing Calcium Ions from Remelt Syrup with Rosin-Based Macroporous Cationic Resin
Removing Calcium Ions from Remelt Syrup with Rosin-Based Macroporous Cationic Resin Open
Mineral ions (mainly calcium ions) from sugarcane juice can be trapped inside the heating tubes of evaporators and vacuum boiling pans, and calcium ions are precipitated. Consequently, sugar productivity and yield are negatively affected. …
View article: Preparation and chromatographic performance of cardanol-bonded silica stationary phase
Preparation and chromatographic performance of cardanol-bonded silica stationary phase Open
As green, less toxic, widely available, and site-rich functional ligands, natural products are widely used for the development of chromatographic stationary phases. In this work, a novel stationary phase, cardanol-bonded on silica (CBS) wa…
View article: A novel approach for authentication of shellac resin in the shellac-based edible coatings: Contain shellac or not in the fruit wax preservative coating
A novel approach for authentication of shellac resin in the shellac-based edible coatings: Contain shellac or not in the fruit wax preservative coating Open
As an edible coating substrate, the detection of shellac resin has always been an intractable problem. In this paper, an authentication method of shellac resin in shellac-based edible coatings was established. Results showed that the authe…
View article: Adsorption Characteristics of Rosin-based Macroporous Adsorption Resin for Panax notoginseng Saponin
Adsorption Characteristics of Rosin-based Macroporous Adsorption Resin for Panax notoginseng Saponin Open
In this paper, three kinds of rosin-based macroporous adsorption resins with carboxyl group (-COOH), ester group (-OR) and hydroxyl group (-OH) were synthesized. The adsorption characteristics of the three resins for Panax notoginseng sapo…
View article: Synthesis, Antifungal Activity, Three-Dimensional Quantitative Structure-Activity Relationship and Molecular Docking Study of 4-Acyl-3-amino-1,2,4-triazole-thioether Derivatives Containing Natural Pinene Structure
Synthesis, Antifungal Activity, Three-Dimensional Quantitative Structure-Activity Relationship and Molecular Docking Study of 4-Acyl-3-amino-1,2,4-triazole-thioether Derivatives Containing Natural Pinene Structure Open
a 张文静 a 雷福厚 b ( a 广西大学化学化工学院 南宁 530004) ( b 广西民族大学 广西林产化学与工程重点实验室 南宁 530008) 摘要 为了探寻以天然可再生资源为基础的生物活性分子, 设计并合成了 24 个新型含天然蒎烯结构的 4-酰基-3-氨基-1,2,4-三唑-硫醚衍生物, 通过 IR, 1 H NMR, 13 C NMR, ESI-MS 和元素分析对所有目标化合物的结构进行了表征.初步的 离体抑菌活性测试结果表明, 在质量浓度为 50 μg/m…
View article: Synthesis, 3D-QSAR and Molecular Docking Study of Nopol-Based 1,2,4-Triazole-Thioether Compounds as Potential Antifungal Agents
Synthesis, 3D-QSAR and Molecular Docking Study of Nopol-Based 1,2,4-Triazole-Thioether Compounds as Potential Antifungal Agents Open
Cytochrome bc 1 complex is an important component of cellular respiratory chain, and it is also an important target enzyme to inhibit the growth of plant pathogens. Using cytochrome bc 1 complex as the target enzyme, twenty-three novel nop…
View article: Pseudo-lignin retarded bioconversion of sugarcane bagasse holocellulose after liquid hot water and acid pretreatments
Pseudo-lignin retarded bioconversion of sugarcane bagasse holocellulose after liquid hot water and acid pretreatments Open
Pseudo-lignin derived from the condensation of carbohydrate degradation products can retard the bioconversion of lignocellulose. In this work, liquid hot water (150 to 190 °C) and 1% H2SO4 pretreatments (130 to 190 °C) were used on sugarca…
View article: Design, Synthesis, and Antifungal Activity of Novel Longifolene-Derived Diacylhydrazine Compounds
Design, Synthesis, and Antifungal Activity of Novel Longifolene-Derived Diacylhydrazine Compounds Open
Succinate dehydrogenase (SDH) present in the inner mitochondrial membrane is an important target enzyme for the design of SDH inhibitor-type fungicides. Using SDH as the target enzyme, 22 novel longifolene-derived diacylhydrazine compounds…
View article: Coproduction of Furfural, Phenolated Lignin and Fermentable Sugars from Bamboo with One-Pot Fractionation Using Phenol-Acidic 1,4-Dioxane
Coproduction of Furfural, Phenolated Lignin and Fermentable Sugars from Bamboo with One-Pot Fractionation Using Phenol-Acidic 1,4-Dioxane Open
A one-pot fractionation method of Moso bamboo into hemicellulose, lignin, and cellulose streams was used to produce furfural, phenolated lignin, and fermentable sugars in the acidic 1,4-dioxane system. Xylan was depolymerized to furfural a…
View article: Structural elucidation of high‐molecular‐weight alkaline degradation products of hexoses
Structural elucidation of high‐molecular‐weight alkaline degradation products of hexoses Open
High‐molecular‐weight alkaline degradation products of hexoses (HMWHADPs) are colored substances in sugar solutions formed during sugar manufacturing process. These products may be occluded within sugar crystals and impart yellow or brown …
View article: Fluorinated Linear Copolyimide Physically Crosslinked with Novel Fluorinated Hyperbranched Polyimide Containing Large Space Volumes for Enhanced Mechanical Properties and UV-Shielding Application
Fluorinated Linear Copolyimide Physically Crosslinked with Novel Fluorinated Hyperbranched Polyimide Containing Large Space Volumes for Enhanced Mechanical Properties and UV-Shielding Application Open
Fluorinated hyperbranched polyimide (FHBPI), a spherical polymer with large space volumes, was developed to enhance fluorinated linear copolyimide (FPI) in terms of mechanical, UV-shielding, and hydrophobic properties via simple blend and …
View article: Synthesis, Biological Activity and Three-Dimensional Quantitative Structure-Activity Relationship (3D-QSAR) Study of Novel 4-Methyl-1,2,4-triazole-thioethers Containing <i>gem</i>-Dimethylcyclopropane Ring
Synthesis, Biological Activity and Three-Dimensional Quantitative Structure-Activity Relationship (3D-QSAR) Study of Novel 4-Methyl-1,2,4-triazole-thioethers Containing <i>gem</i>-Dimethylcyclopropane Ring Open
为了探寻有效的新型生物活性分子,通过多步反应设计并合成了一系列新型含偕二甲基环丙烷的4-甲基-1,2,4-三唑硫醚衍生物,通过UV-Vis,FTIR,NMR,ESI-MS和元素分析等方法对所有目标化合物的结构进行了表征.初步测定了目标化合物的抑菌和除草活性.生物活性结果显示,在质量浓度为50 μg/mL时,有2个化合物对苹果轮纹病菌表现出明显的抑菌活性,优于阳性对照百菌清.此外,在质量浓度为100 μg/mL时,有4个化合物对油菜胚根生长表现出优异的抑制活性,优于阳性对照丙…
View article: Synthesis and Antiproliferative Evaluation of Novel Hybrids of Dehydroabietic Acid Bearing 1,2,3-Triazole Moiety
Synthesis and Antiproliferative Evaluation of Novel Hybrids of Dehydroabietic Acid Bearing 1,2,3-Triazole Moiety Open
To discover novel potent cytotoxic diterpenoids, a series of hybrids of dehydroabietic acid containing 1,2,3-triazole moiety were designed and synthesized. The target compounds were characterized by means of FT-IR, 1H NMR, 13C NMR, ESI-MS …
View article: Crystallization and Temperature Driven Morphological Evolution of Bio-based Polyethylene Glycol-acrylic Rosin Polymer
Crystallization and Temperature Driven Morphological Evolution of Bio-based Polyethylene Glycol-acrylic Rosin Polymer Open
In this work, the morphological and conformational evolution of bio-based polyethylene glycol (PEG)-acrylic rosin polymer in water was studied by scanning electron microscopy (SEM), polarized optical microscopy (POM), differential scanning…
View article: CATALYTIC OXIDATION OF LIGNIN TO AROMATICS OVER SALEN-PORPHYRIN COMPLEX AS A BIOMIMETIC CATALYST
CATALYTIC OXIDATION OF LIGNIN TO AROMATICS OVER SALEN-PORPHYRIN COMPLEX AS A BIOMIMETIC CATALYST Open
The aim of this work is to enable increased production of aromatics by the use of salen-porphyrin complex (ZnPSC 6 ) as a binuclear catalyst for the catalytic oxidation of Indulin AT lignin.Catalytic activity was enhanced by the increase i…
View article: Mechanisms of Adsorption of Heavy Metal Cations from Waters by an Amino Bio-Based Resin Derived from Rosin
Mechanisms of Adsorption of Heavy Metal Cations from Waters by an Amino Bio-Based Resin Derived from Rosin Open
Rosin derived from conifer trees is used as the basis for a novel environmentally-friendly adsorbent prepared from a sustainable resource. After treatment with ethylenediamine, ethylenediamine rosin-based resin (EDAR) is produced, which po…
View article: Preparation of rosin-based polymer microspheres as a stationary phase in high-performance liquid chromatography to separate polycyclic aromatic hydrocarbons and alkaloids
Preparation of rosin-based polymer microspheres as a stationary phase in high-performance liquid chromatography to separate polycyclic aromatic hydrocarbons and alkaloids Open
Acrylpimaric acid ethylene glycol acrylate was used as the cross-linking agent to prepare rosin-based polymer microspheres through membrane emulsification–microsuspension polymerization. The prepared microspheres were used as the stationar…
View article: Synthesis and Biological Evaluation of Novel Dehydroabietic Acid-Oxazolidinone Hybrids for Antitumor Properties
Synthesis and Biological Evaluation of Novel Dehydroabietic Acid-Oxazolidinone Hybrids for Antitumor Properties Open
Novel representatives of the important group of biologically-active, dehydroabietic acid-bearing oxazolidinone moiety were synthesized to explore more efficacious and less toxic antitumor agents. Structures of all the newly target molecule…
View article: Progressive Relaxation Behavior and Relaxation Dynamics of sPS Gels upon Controlled Heating
Progressive Relaxation Behavior and Relaxation Dynamics of sPS Gels upon Controlled Heating Open
Progressive relaxation behavior of syndiotactic polystyrene (sPS) chains in sPS gel was detected in the course of melting via the application of intrinsic fluorescence and fluorescence anisotropy techniques. The melting process included a …
View article: Cellulose Accessibility and Zeta potentials of Sugarcane Bagasse Pretreated by Green Liquor and Ethanol for High Hydrolysis Efficiency
Cellulose Accessibility and Zeta potentials of Sugarcane Bagasse Pretreated by Green Liquor and Ethanol for High Hydrolysis Efficiency Open
Green liquor (GL) combined with ethanol (GL-ethanol) was selected to pretreat sugarcane bagasse (SCB). The results showed that the maximum lignin removal of 85.2% was achieved at 160 °C and a GL loading of 1.5 mL/g-dry substrate. The gluco…