Yaozu Liu
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View article: Correlation and consistency analysis between various indirect portal pressure gradients and actual portal pressure gradient
Correlation and consistency analysis between various indirect portal pressure gradients and actual portal pressure gradient Open
F-HVPG and I-HVPG demonstrated high correlation and consistency. I-HVPG consistently correlates more closely with PPG than F-HVPG, both in the overall cohort and in patients with FHVP-IVCP > 2 mmHg. These results suggest that I-HVPG may se…
View article: Correlation and Consistency Analysis between Various Indirect Portal Pressure Gradients and Actual Portal Pressure Gradient
Correlation and Consistency Analysis between Various Indirect Portal Pressure Gradients and Actual Portal Pressure Gradient Open
Objective: To evaluate the correlation and consistency between hepatic venous pressure gradient(F-HVPG) calculated as the wedged hepatic venous pressure (WHVP) minus free hepatic venous pressure (FHVP), I-HVPG calculated as WHVP minus infe…
View article: Piezofluorochromism in Covalent Organic Frameworks: Pressure‐Induced Emission Enhancement and Blue‐Shifted Emission
Piezofluorochromism in Covalent Organic Frameworks: Pressure‐Induced Emission Enhancement and Blue‐Shifted Emission Open
Achieving enhanced or blue‐shifted emission from piezochromic materials remains a major challenge. Covalent organic frameworks (COFs) are promising candidates for the development of piezochromic materials owing to their dynamic structures …
View article: Application of subharmonic‐aided pressure estimation in a patient with giant hepatic cyst: A case report
Application of subharmonic‐aided pressure estimation in a patient with giant hepatic cyst: A case report Open
Giant hepatic cysts may lead to impaired liver function by compressing surrounding tissue, resulting in symptoms such as nausea or portal hypertension. Subharmonic‐aided pressure estimation (SHAPE) offers a noninvasive method for quantitat…
View article: Structural and Optical Modulations in Covalent Organic Frameworks via Pressure-treated Engineering
Structural and Optical Modulations in Covalent Organic Frameworks via Pressure-treated Engineering Open
Piezochromic materials, exhibiting outstanding pressure-responsive performance including pressure-induced emission en-hancement (PIEE), blue-shifted emission, white-light emitting and so on, are crucial in various fields such as in advance…
View article: Visualizing atomic structure of novel three-dimensional covalent organic frameworks by 3DED and high-resolution (S)TEM
Visualizing atomic structure of novel three-dimensional covalent organic frameworks by 3DED and high-resolution (S)TEM Open
View article: Precise Modulation of Carbon Activity Sites in Metal‐Free Covalent Organic Frameworks for Enhanced Oxygen Reduction Electrocatalysis
Precise Modulation of Carbon Activity Sites in Metal‐Free Covalent Organic Frameworks for Enhanced Oxygen Reduction Electrocatalysis Open
Metal‐free carbon‐based materials have gained recognition as potential electrocatalysts for the oxygen reduction reaction (ORR) in new environmentally‐friendly electrochemical energy conversion technologies. The presence of effective activ…
View article: Diastolic Dysfunction in Cirrhotic Cardiomyopathy: A Prospective Observational Cohort Study on Short-Term Outcomes in Cirrhotic Patients Undergoing TIPS
Diastolic Dysfunction in Cirrhotic Cardiomyopathy: A Prospective Observational Cohort Study on Short-Term Outcomes in Cirrhotic Patients Undergoing TIPS Open
Background: The placement of Transjugular intrahepatic portosystemic shunt (TIPS) results in a sudden increase in central circulating blood volume, which requires proper regulation of the cardiovascular system. The presence of diastolic dy…
View article: Piezochromism in Dynamic Three‐Dimensional Covalent Organic Frameworks
Piezochromism in Dynamic Three‐Dimensional Covalent Organic Frameworks Open
Piezochromic materials with pressure‐dependent photoluminescence tuning properties are important in many fields, such as mechanical sensors, security papers, and storage devices. Covalent organic frameworks (COFs), as an emerging class of …
View article: Topological Isomerism in Three-Dimensional Covalent Organic Frameworks
Topological Isomerism in Three-Dimensional Covalent Organic Frameworks Open
Although isomerism is a typical and significant phenomenon in organic chemistry, it is rarely found in covalent organic framework (COF) materials. Herein, for the first time, we report a controllable synthesis of topological isomers in thr…
View article: Piezochromism in Dynamic Three-Dimensional Covalent Organic Frameworks
Piezochromism in Dynamic Three-Dimensional Covalent Organic Frameworks Open
Piezochromic materials with pressure-dependent photoluminescence-tuning properties are important in many fields, such as mechanical sensors, security papers, and storage devices. Covalent organic frameworks (COFs), as an emerging class of …
View article: Topological Isomerism in Three-Dimensional Covalent Organic Frameworks
Topological Isomerism in Three-Dimensional Covalent Organic Frameworks Open
Although isomerism is a typical and significant phenomenon in organic chemistry, it is rarely found in covalent organic framework (COF) materials. Herein, for the first time, we report a controllable synthesis of topological isomers in thr…
View article: Highly-Stable Two-Dimensional Bicarbazole-based sp<sup>2</sup>-Carbon-conjugated Covalent Organic Framework for Efficient Electrocatalytic Oxygen Reduction<sup>★</sup>
Highly-Stable Two-Dimensional Bicarbazole-based sp<sup>2</sup>-Carbon-conjugated Covalent Organic Framework for Efficient Electrocatalytic Oxygen Reduction<sup>★</sup> Open
With the extensive utilization of fossil fuels in industrial development, the energy crisis and environmental issues have become crucial challenges for current scientific development.The development of sustainable and clean energy is of gr…
View article: A Stable Luminescent Covalent Organic Framework Nanosheet for Sensitive Molecular Recognition
A Stable Luminescent Covalent Organic Framework Nanosheet for Sensitive Molecular Recognition Open
Open AccessCCS ChemistryRESEARCH ARTICLES15 Nov 2022A Stable Luminescent Covalent Organic Framework Nanosheet for Sensitive Molecular Recognition Yaozu Liu†, Junxia Ren†, Yujie Wang, Xin Zhu, Xinyu Guan, Zisheng Wang, Yida Zhou, Liangkui Z…
View article: 2D Microporous Covalent Organic Frameworks as Cobalt Nanoparticle Supports for Electrocatalytic Hydrogen Evolution Reaction
2D Microporous Covalent Organic Frameworks as Cobalt Nanoparticle Supports for Electrocatalytic Hydrogen Evolution Reaction Open
Covalent organic frameworks (COFs) are a new class of porous crystalline polymers, which are considered to be excellent supports for metal nanoparticles (MNPs) due to their highly ordered structure, chemical tunability, and porosity. In th…
View article: A stable luminescent covalent organic framework nanosheet for sensitive molecular recognition
A stable luminescent covalent organic framework nanosheet for sensitive molecular recognition Open
Despite the rapid development of fluorescence detectors over the past decade, it still remains a considerable challenge to exploit a highly stable, sensitive, and selective fluorescence platform for molecular recognition. In this study, we…
View article: Design and Synthesis of a Zeolitic Organic Framework**
Design and Synthesis of a Zeolitic Organic Framework** Open
The development of novel zeolite‐like materials with large channel windows and high stability is of importance but remains a tremendous challenge. Herein, we report the first example of a 3D covalent organic framework with zeolitic network…
View article: Design and Synthesis of a Zeolitic Organic Framework
Design and Synthesis of a Zeolitic Organic Framework Open
The development of three-dimensional (3D) architectures in COFs has been considered important owing to their prospective ad-vantages in high surface areas and plentiful active sites. Herein, we report the first example of a 3D COF with zeo…
View article: A New Covalent Organic Framework Modified with Sulfonic Acid for CO<sub>2</sub> Uptake and Selective Dye Adsorption
A New Covalent Organic Framework Modified with Sulfonic Acid for CO<sub>2</sub> Uptake and Selective Dye Adsorption Open
Environmental pollution is one of the most severe problems facing the earth today, including water pollution and the greenhouse effect caused by the indiscriminate discharge of organic dyes and abundant carbon dioxide emissions (CO2), resp…
View article: Three-dimensional microporous and mesoporous covalent organic frameworks based on cubic building units
Three-dimensional microporous and mesoporous covalent organic frameworks based on cubic building units Open
Two unusual cubic (8-connected) building units and their derived 3D imine-linked COFs based on bcu nets have been designed and synthesized, which demonstrates highly crystalline structures, excellent surface areas, and large pore sizes.
View article: Inside Back Cover: Recent advances in AIEgen‐based crystalline porous materials for chemical sensing
Inside Back Cover: Recent advances in AIEgen‐based crystalline porous materials for chemical sensing Open
In article number 2021, 2, e34, this review summarizes the recent Aggregation-induced emission-based crystalline porous materials for sensing. These materials have well-controlled structures, large surface areas, and promising stabilities,…
View article: Three-Dimensional sp2 Carbon-Linked Covalent Organic Frameworks for Bioresponsive Fluorescence Imaging
Three-Dimensional sp2 Carbon-Linked Covalent Organic Frameworks for Bioresponsive Fluorescence Imaging Open
Three-dimensional (3D) covalent organic frameworks (COFs) are crystalline porous polymers with potential in numerous high-tech applications, but the linkages involved in their synthesis are still rather limited. Herein we report the first …
View article: Three-Dimensional sp2 Carbon-Linked Covalent Organic Frameworks for Bioresponsive Fluorescence Imaging
Three-Dimensional sp2 Carbon-Linked Covalent Organic Frameworks for Bioresponsive Fluorescence Imaging Open
Three-dimensional (3D) covalent organic frameworks (COFs) are crystalline porous polymers with potential in numerous high-tech applications, but the linkages involved in their synthesis are still rather limited. Herein we report the first …
View article: Recent advances in AIEgen‐based crystalline porous materials for chemical sensing
Recent advances in AIEgen‐based crystalline porous materials for chemical sensing Open
Aggregation‐induced emission‐based luminogens (AIEgens) have aroused enormous interest due to their unique high fluorescence in a condensed state. To further explore their potential applications, such as chemical monitoring, immobilization…
View article: 3D Covalent Organic Frameworks Based on Polycyclic Aromatic Hydrocarbons for Reversible Oxygen Capture
3D Covalent Organic Frameworks Based on Polycyclic Aromatic Hydrocarbons for Reversible Oxygen Capture Open
Singlet oxygen, as a kind of reactive oxygen species, plays an important role in organic synthesis and biological processes. However, these excited oxygen molecules have a short life and high reactivity; thus it is a great challenge to cap…
View article: A Three-Dimensional Tetraphenylethylene-Based Fluorescence Covalent Organic Framework for Molecular Recognition
A Three-Dimensional Tetraphenylethylene-Based Fluorescence Covalent Organic Framework for Molecular Recognition Open
The development of highly-sensitive recognition of hazardous chemicals, such as volatile organic compounds (VOCs) and polycyclic aromatic hydrocarbons (PAHs), is of significant importance because of their widespread social concerns related…
View article: A Three-Dimensional Tetraphenylethylene-Based Fluorescence Covalent Organic Framework for Molecular Recognition
A Three-Dimensional Tetraphenylethylene-Based Fluorescence Covalent Organic Framework for Molecular Recognition Open
The development of highly-sensitive recognition of hazardous chemicals, such as volatile organic compounds (VOCs) and polycyclic aromatic hydrocarbons (PAHs), is of significant importance because of their widespread social concerns related…
View article: Three-Dimensional Mesoporous Covalent Organic Frameworks through Steric Hindrance Engineering
Three-Dimensional Mesoporous Covalent Organic Frameworks through Steric Hindrance Engineering Open
The development of three-dimensional (3D) covalent organic frameworks (COFs) with large pores and high surface areas is of great importance for various applications. However, it remains a major challenge due to the frequent structural inte…
View article: Ambient aqueous-phase synthesis of covalent organic frameworks for degradation of organic pollutants
Ambient aqueous-phase synthesis of covalent organic frameworks for degradation of organic pollutants Open
Herein we report the first case of a β-ketoenamine based Michael addition–elimination reaction as well as ambient aqueous-phase synthesis of highly crystalline COF materials.