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Article
Open AccessAtomically dispersed Iridium on Mo2C as an efficient and stable alkaline hydrogen oxidation reaction catalyst
Hydroxide exchange membrane fuel cells (HEMFCs) have the advantages of using cost-effective materials, but hindered by the sluggish anodic hydrogen oxidation reaction (HOR) kinetics. Here, we report an atomica...
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Article
A strongly coupled Ru–CrOx cluster–cluster heterostructure for efficient alkaline hydrogen electrocatalysis
Constructing well-defined heterostructure interfaces in catalysts is an efficient strategy to break the so-called scaling relationships and to accelerate the reactions involving multiple intermediates. Here a ...
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Article
Open AccessHypothalamic POMC neuron-specific knockout of MC4R affects insulin sensitivity by regulating Kir2.1
Imbalance in energy regulation is a major cause of insulin resistance and diabetes. Melanocortin-4 receptor (MC4R) signaling at specific sites in the central nervous system has synergistic but non-overlap** ...
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Article
Thymidine kinase 1 appears to be a marker for the prognosis of hepatocellular carcinoma based on a large-scale, multicenter study
The aim of this study was to investigate the role of thymidine kinase 1 (TK1) levels in hepatocellular carcinoma (HCC) prognosis and to develop a nomogram for predicting HCC prognosis.
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Article
Enhancing Hydrogen Diffusion in Catalytic Removal of Nitrate Using a Flow Reactor
The excessive application of nitrogen fertilizers, pesticides and sewage irrigation in agriculture has caused serious nitrate pollution in natural water systems. Selective catalytic reduction of nitrate (NO3−) wi...
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Article
Understanding hydrogen electrocatalysis by probing the hydrogen-bond network of water at the electrified Pt–solution interface
Rational construction of the electrode–solution interface where electrochemical processes occur is of paramount importance in electrochemistry. Efforts to gain better control and understanding of the interface...
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Article
Identification and protective role of CD34+ stromal cells/telocytes in experimental autoimmune encephalomyelitis (EAE) mouse spleen
Experimental autoimmune encephalomyelitis (EAE) is a classical animal model of human multiple sclerosis (MS) that is most commonly used to study the neuropathology and therapeutic effects of the disease. Teloc...
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Article
Open AccessInsights into solvent and surface charge effects on Volmer step kinetics on Pt (111)
The mechanism of pH-dependent hydrogen oxidation and evolution kinetics is still a matter of significant debate. To make progress, we study the Volmer step kinetics on platinum (111) using classical molecular ...
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Article
Nickel–molybdenum–niobium metallic glass for efficient hydrogen oxidation in hydroxide exchange membrane fuel cells
The cost of fuel cell systems can be largely reduced by develo** hydroxide exchange membrane fuel cells (HEMFCs) based on platinum group metal-free (PGM-free) catalysts. However, the sluggish hydrogen oxidat...
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Article
An efficient nickel hydrogen oxidation catalyst for hydroxide exchange membrane fuel cells
The hydroxide exchange membrane fuel cell (HEMFC) is a promising energy conversion technology but is limited by the need for platinum group metal (PGM) electrocatalysts, especially for the hydrogen oxidation r...
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Article
A high-performance hydroxide exchange membrane enabled by Cu2+-crosslinked chitosan
Ion exchange membranes are widely used to selectively transport ions in various electrochemical devices. Hydroxide exchange membranes (HEMs) are promising to couple with lower cost platinum-free electrocatalys...
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Article
Open AccessMenstrual blood-derived mesenchymal stromal cells efficiently ameliorate experimental autoimmune encephalomyelitis by inhibiting T cell activation in mice
Immunosuppressive properties grant mesenchymal stromal cells (MSCs) promising potential for treating autoimmune diseases. As autologous MSCs suffer from limited availability, the readily available allogeneic M...
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Article
A shorted membrane electrochemical cell powered by hydrogen to remove CO2 from the air feed of hydroxide exchange membrane fuel cells
The alkaline environment of hydroxide exchange membrane fuel cells (HEMFCs) potentially allows use of cost-effective catalysts and bipolar plates in devices. However, HEMFC performance is adversely affected by CO
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Open AccessA highly-active, stable and low-cost platinum-free anode catalyst based on RuNi for hydroxide exchange membrane fuel cells
The development of cost-effective hydroxide exchange membrane fuel cells is limited by the lack of high-performance and low-cost anode hydrogen oxidation reaction catalysts. Here we report a Pt-free catalyst Ru7N...
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Article
Edaravone at high concentrations attenuates cognitive dysfunctions induced by abdominal surgery under general anesthesia in aged mice
Postoperative cognitive dysfunction (POCD) is a common neurological disease affecting the elderly patients after surgery. Unfortunately, no effective treatment for this disease has been discovered. Edaravone, ...
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Article
Chemically stable polyarylether-based covalent organic frameworks
The development of crystalline porous materials with high chemical stability is of paramount importance for their practical application. Here, we report the synthesis of polyarylether-based covalent organic fr...
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Article
Poly(aryl piperidinium) membranes and ionomers for hydroxide exchange membrane fuel cells
One promising approach to reduce the cost of fuel cell systems is to develop hydroxide exchange membrane fuel cells (HEMFCs), which open up the possibility of platinum-group-metal-free catalysts and low-cost b...
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Article
Open AccessDurable and self-hydrating tungsten carbide-based composite polymer electrolyte membrane fuel cells
Proton conductivity of the polymer electrolyte membranes in fuel cells dictates their performance and requires sufficient water management. Here, we report a simple, scalable method to produce well-dispersed t...
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Article
Activity targets for nanostructured platinum-group-metal-free catalysts in hydroxide exchange membrane fuel cells
This Perspective establishes catalyst activity targets for hydroxide exchange membrane fuel cells and discusses advantages and research needs of this technology.
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Open AccessControlled Synthesis of Pt Nanowires with Ordered Large Mesopores for Methanol Oxidation Reaction
Catalysts for methanol oxidation reaction (MOR) are at the heart of key green-energy fuel cell technology. Nanostructured Pt materials are the most popular and effective catalysts for MOR. Controlling the morp...
