Kai Guo
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View article: Highly selective catalysis for hydroisomerization of isobutane to n-butane at elevated temperature: Thermodynamic feasibility analysis
Highly selective catalysis for hydroisomerization of isobutane to n-butane at elevated temperature: Thermodynamic feasibility analysis Open
View article: Inside Front Cover: Tunable Copolymerization of Oxetane and Anhydrides via a Nonsymmetric Three‐Center Four‐Electron Iodine Activation Mode (Angew. Chem. Int. Ed. 44/2025)
Inside Front Cover: Tunable Copolymerization of Oxetane and Anhydrides via a Nonsymmetric Three‐Center Four‐Electron Iodine Activation Mode (Angew. Chem. Int. Ed. 44/2025) Open
View article: Comparative analysis of meat quality and flavor profiles between Bian chicken and Cobb broiler using FTIR and GC×GC-TOF MS technologies
Comparative analysis of meat quality and flavor profiles between Bian chicken and Cobb broiler using FTIR and GC×GC-TOF MS technologies Open
This study systematically compared meat quality characteristics and flavor profiles between the local Shanxi breed Bian chicken (BIAN) and the commercial Cobb broiler (CB) using a comprehensive analytical approach. In terms of physical pro…
View article: Conjugative Radical–Radical Coupling: Transition-Metal-Free Dialkylation of Alkenes
Conjugative Radical–Radical Coupling: Transition-Metal-Free Dialkylation of Alkenes Open
View article: Integrated geophysical exploration of water-rich abnormalities in coal mine roofs: Example from the 31 123-1 panel, Dongxia Coal Mine
Integrated geophysical exploration of water-rich abnormalities in coal mine roofs: Example from the 31 123-1 panel, Dongxia Coal Mine Open
Water inrush problems in coal mines pose a serious threat to safe and efficient production. How to effectively predict the potential water bodies in abnormal roof and floor strata is the key to water control in coal mines. A single geophys…
View article: Addressing interfacial challenges in lithium metal batteries: a multi-pronged approach with 2-FBSA
Addressing interfacial challenges in lithium metal batteries: a multi-pronged approach with 2-FBSA Open
View article: Visible-Light-Mediated Dehydrogenative Cross-Coupling of Azaarenes and Ethers
Visible-Light-Mediated Dehydrogenative Cross-Coupling of Azaarenes and Ethers Open
Heteroaromatic motifs are prevalent in natural products and numerous high-value drug molecules. Consequently, the construction of alkylated heterocyclic frameworks holds significant importance. The Minisci reaction of heteroarenes has evol…
View article: Structural Characteristics of Dongxia Coal Mine Face Based on Radio and Channel Wave Seismic Exploration
Structural Characteristics of Dongxia Coal Mine Face Based on Radio and Channel Wave Seismic Exploration Open
Geological anomalies in underground coal seams pose serious risks to mining safety and productivity. This study applies an integrated geophysical approach—combining radio wave imaging and channel wave seismic methods—to investigate the str…
View article: Electrochemical Oxidative [3 + 2] Annulation of <i>p</i>‐Methoxy Anilines with Enaminones toward 3‐Acyl Indoles
Electrochemical Oxidative [3 + 2] Annulation of <i>p</i>‐Methoxy Anilines with Enaminones toward 3‐Acyl Indoles Open
An electrochemical oxidative [3 + 2] annulation of p ‐methoxy anilines with enaminones is reported. This protocol enables facile synthesis of 3‐acyl indoles in moderate to good yields under mild conditions, featuring excellent functional g…
View article: A Review: Using Ionic Liquids for Lignin Extraction from Lignocellulose and High-Value Utilization
A Review: Using Ionic Liquids for Lignin Extraction from Lignocellulose and High-Value Utilization Open
Lignocellulose is the most abundant renewable resource in nature, providing a large supply of lignin. The efficient separation and utilization of lignin from lignocellulose can help alleviate the current shortage of fossil fuels. Ionic liq…
View article: Recent Advances in Annulation Reactions of <i>α</i>,<i>β</i>‐Unsaturated Ketoximes for the Synthesis of Structurally Diversified Heterocycles
Recent Advances in Annulation Reactions of <i>α</i>,<i>β</i>‐Unsaturated Ketoximes for the Synthesis of Structurally Diversified Heterocycles Open
Transition metal‐catalyzed or metal‐free‐mediated annulation of α , β ‐unsaturated ketoximes with unsaturated coupling partners has emerged as a powerful protocol for the assembly of diverse functionalized heterocycles, which is attributed…
View article: A Novel Heterozygous <scp>c.1024A>G</scp> Variant in <i>BMPR1B</i> Causes Either Isolated Brachydactyly Type <scp>A4</scp> With Variable Expressivity or Incomplete Type <scp>A4</scp> Overlapping Type D in a Chinese Han Pedigree
A Novel Heterozygous <span>c.1024A>G</span> Variant in <i>BMPR1B</i> Causes Either Isolated Brachydactyly Type <span>A4</span> With Variable Expressivity or Incomplete Type <span>A4</span> Overlapping Type D in a Chinese Han Pedigree Open
BDA4 and BDD are rare autosomal dominant conditions characterized by distinct hand/foot malformations, including middle phalangeal shortening in the second and fifth digits and short, broad thumb terminal phalanges. While variations in BMP…
View article: Ene‐Reductases‐Catalyzed Non‐Natural Reactions
Ene‐Reductases‐Catalyzed Non‐Natural Reactions Open
Flavin‐dependent ene‐reductases (EREDs), members of the Old Yellow Enzyme (OYE) superfamily, are highly efficient biocatalysts primarily known for catalyzing the asymmetric reduction of activated alkenes. Beyond this native function, the c…
View article: Sequence Similarity Network Guided Discovery of a Dehydrogenase for Asymmetric Carbonyl Dehydrogenation
Sequence Similarity Network Guided Discovery of a Dehydrogenase for Asymmetric Carbonyl Dehydrogenation Open
Carbonyl dehydrogenation is one of the most valuable transformations in modern synthetic chemistry. As compared to traditional chemical synthesis methods, enzymatic dehydrogenation offers a greener and more selective alternative. However, …
View article: Association of over-the-counter mouthwash use with markers of nitric oxide metabolism, inflammation, and endothelial function—a cross-sectional study
Association of over-the-counter mouthwash use with markers of nitric oxide metabolism, inflammation, and endothelial function—a cross-sectional study Open
Introduction Regular use of mouthwash can disrupt nitrate reduction by oral bacteria and may affect systemic nitric oxide (NO) levels, which are important for inflammation and endothelial function. We aim to assess the association between …
View article: Zwitterionic Resorcinarene Bifunctional Organocatalyst for the Cycloaddition of Carbon Dioxide to Epoxide
Zwitterionic Resorcinarene Bifunctional Organocatalyst for the Cycloaddition of Carbon Dioxide to Epoxide Open
View article: Organocatalyzed Ring-Opening Polymerization of Proline-Based Lactones for Poly(Amino Ester)S and Cationic Polymers with Antibacterial Activity
Organocatalyzed Ring-Opening Polymerization of Proline-Based Lactones for Poly(Amino Ester)S and Cationic Polymers with Antibacterial Activity Open
View article: Material properties and progress in modification of hydrogel-based self-expandable poly(methyl methacrylate) bone cement
Material properties and progress in modification of hydrogel-based self-expandable poly(methyl methacrylate) bone cement Open
This article reviewed the material properties and progress in modification of hydrogel-based self-expandable poly(methyl methacrylate) bone cement (SBC), discussed the influence of functional monomers/fillers on the biomechanical propertie…
View article: Organocatalyzed aza-Payne-type rearrangement of epoxy amines and carbon dioxide for efficient construction of oxazolidinones
Organocatalyzed aza-Payne-type rearrangement of epoxy amines and carbon dioxide for efficient construction of oxazolidinones Open
The ion pair organocatalyst is a new type of H-bonding bifunctional catalyst that promotes the construction of oxazolidinones under mild conditions through the aza-Payne-type rearrangement of epoxy amines with carbon dioxide.
View article: Effect of Fiber Orientation on Grinding Behavior and Surface Characteristics of 3d Sicf/C-Sic Composites Using Electroplated Diamond Tools
Effect of Fiber Orientation on Grinding Behavior and Surface Characteristics of 3d Sicf/C-Sic Composites Using Electroplated Diamond Tools Open
View article: A Novel Bioreactor Developed Through 3d Printing Technology for the Intensification of High-Viscosity Aerobic Fermentation Processes
A Novel Bioreactor Developed Through 3d Printing Technology for the Intensification of High-Viscosity Aerobic Fermentation Processes Open
View article: Exploration of influencing factors on ion cyclotron resonance isotope separation process
Exploration of influencing factors on ion cyclotron resonance isotope separation process Open
The ion cyclotron resonance (ICR) isotope separation method is an advanced electromagnetic separation method. The key process of this method is the transport of ions in an axial magnetic field. By injecting microwaves at the target ion cyc…
View article: Resorcinarene Bearing Carbanion Ion Pair as Organocatalyst for Carbon Dioxide Fixation
Resorcinarene Bearing Carbanion Ion Pair as Organocatalyst for Carbon Dioxide Fixation Open
View article: Highly Selective Catalysis for Hydroisomerization of Isobutane to n-butane at Elevated Temperature: Thermodynamic Feasibility Analysis
Highly Selective Catalysis for Hydroisomerization of Isobutane to n-butane at Elevated Temperature: Thermodynamic Feasibility Analysis Open
View article: Effect of Fiber Orientation on Grinding and Surface Characteristics of 3d Sicf/C-Sic Composites Using Electroplated Diamond Tools
Effect of Fiber Orientation on Grinding and Surface Characteristics of 3d Sicf/C-Sic Composites Using Electroplated Diamond Tools Open
View article: Tetra-1,3-Diketone Resorcinarene Ion Pair as Metal- and Halide-Free Organocatalyst for Carbon Dioxide Fixation Under Atmospheric Pressure
Tetra-1,3-Diketone Resorcinarene Ion Pair as Metal- and Halide-Free Organocatalyst for Carbon Dioxide Fixation Under Atmospheric Pressure Open
View article: Amidinium Pyridinolate Ion Pair Organocatalyst for Ring-Opening Polymerizations of Cyclic Esters
Amidinium Pyridinolate Ion Pair Organocatalyst for Ring-Opening Polymerizations of Cyclic Esters Open
View article: Bidentate Deltamide Hydrogen Bond Donor Catalyzed Cycloaddition of Carbon Dioxide into Epoxide
Bidentate Deltamide Hydrogen Bond Donor Catalyzed Cycloaddition of Carbon Dioxide into Epoxide Open
View article: Defluorinative Cyclization of Enamides with Fluoroalkyl Halides Through Two Vicinal C(sp<sup>3</sup>)─F Bonds Functionalization
Defluorinative Cyclization of Enamides with Fluoroalkyl Halides Through Two Vicinal C(sp<sup>3</sup>)─F Bonds Functionalization Open
Introducing distinctive functional groups to expand the structural diversity and improve the intrinsic properties of parent molecules has been an essential pursuit in organic chemistry. By using perfluoroalkyl halide (PFAH) as a nontraditi…
View article: Quasi-static/dynamic energy absorption characteristics and micromechanical behavior of Al/Ep cast metal braided tubular structures
Quasi-static/dynamic energy absorption characteristics and micromechanical behavior of Al/Ep cast metal braided tubular structures Open
As a low-density, high-strength material with high energy release potential, Al/Ep cast metal braided tubes have a wide range of application prospects in the combatant shell, which is one of the most important means to realize the integrat…