Sabatier Principle Driving Interface Defect Engineering on 3D Graphene-Like Encapsulated Cobalt Structure for Hydrogenation Reaction.

Establishing structural defects is a perspective way to increase the catalytic hydrogenation reaction. Toward Sabatier optimization for hydrogenation reaction with defect density offers guidance for designing optimal catalysts with the highest performance. A controllable synthesis strategy is reported for Co@NC-x catalyst induced by defect density.

Highly Curved Defect Sites: How Curvature Effect Influences Metal-Free Defective Carbon Electrocatalysts.

Topological defects are widely recognized as effective active sites toward a variety of electrochemical reactions. However, the role of defect curvature is still not fully understood. Herein, carbon nanomaterials with rich topological defect sites of tunable curvature is reported.

Coupling Ni Single Atomic Sites with Metallic Aggregates at Adjacent Geometry on Carbon Support for Efficient Hydrogen Peroxide Electrosynthesis.

Single atomic catalysts have shown great potential in efficiently electro-converting O to HO with high selectivity. However, the impact of coordination environment and introduction of extra metallic aggregates on catalytic performance still remains unclear. Herein, first a series of carbon-based catalysts with embedded coupling Ni single atomic sites and corresponding metallic nanoparticles at adjacent geometry is synthesized.

Ligand and Strain Synergistic Effect in NiFeP LDH for Triggering Efficient Oxygen Evolution Reaction.

Developing efficient water-splitting electrocatalysts to accelerate the slow oxygen evolution reaction (OER) kinetics is urgently desired for hydrogen production. Herein, ultralow phosphorus (P)-doped NiFe LDH (NiFeP LDH) with mild compressive strain is synthesized as an efficient OER electrocatalyst. Remarkably, NiFeP LDH with the phosphorus mass ratio of 0.

Self-cleaning MnZn ferrite/biochar adsorbents for effective removal of tetracycline.

A renewable tri-metallic spinel decorated biochar adsorbent (MZF-BC) was fabricated by a facile hydrothermal method and to remove tetracycline. The physicochemical properties of MZF-BC were well studied. MZF-BC with a hybrid pore structure of mesopores (~7.

Humic Substances Derived From Biomass Waste During Aerobic Composting and Hydrothermal Treatment: A Review.

Humic substances (HSs) occupy 80% of organic matter in soil and have been widely applied for soil remediation agents, potential battery materials, and adsorbents. Since the HS extraction rate is very low by microbial degradation in nature, artificial humification processes such as aerobic composting (AC) and hydrothermal treatment (HT) have attracted a great deal of attention as the most important strategies in HS production. This article aims to provide a state-of-the-art review on the development of conversion of biomass waste into HSs based on AC and HT for the first time in terms of mechanisms, characteristics of HSs' molecular structure, and influencing factors.

An overview of nanomaterial-based novel disinfection technologies for harmful microorganisms: Mechanism, synthesis, devices and application.

Harmful microorganism (e.g., new coronavirus) based infection is the most important security concern in life sciences and healthcare.

High-copy genome integration and stable production of p-coumaric acid via a POT1-mediated strategy in Saccharomyces cerevisiae.

Aims: To overcome the defective unstable production of p-coumaric acid (p-CA) using episomal plasmids and simultaneously achieve genetic stability and high-copy integration in Saccharomyces cerevisiae.

Methods And Results: Two-micron plasmids were used to obtain high titres of p-CA, but p-CA production was decreased significantly in a nonselective medium after 72 h. To overcome the defect of unstable p-CA production during fermentation, delta integration with the triosephosphate isomerase gene from Schizosaccharomyces pombe (POT1) was employed as a selection marker to integrate heterologous p-CA synthesis cassette, and the high-level p-CA-producing strain QT3-20 was identified.