Search results for: Xun Hu

Items from 1 to 20 out of 194 results

article

Effect of biochar structure on the selective adsorption of heavy components in bio‐oil

Haonan Zhu, Shanshan Yan, Yansheng Wu, Hao Xu, more

Biofuels, Bioproducts and Biorefining > 18 > 5 > 1280 - 1288

In this study, biochars with different structures were prepared through HNO₃ oxidation and secondary pyrolysis to study the relationship between the structure of biochar and its selectivity for the adsorption of light and heavy aromatics in bio‐oil. The results showed that the adsorption rates of biochar with different structures ranged from 2.90 to 4.00 g bio‐oil per g biochar. The influence of pore...

article

Rapid and Green Fabrication of Nanozyme with Geminal CuN₃O Configuration for Efficient Catecholase‐Mimicking

Meng Yuan, Ke Han, Hong Yang, Li Mi, more

Small > 20 > 35 > n/a - n/a

Fabrication of nanozyme with catecholase‐like catalytic activity faces the great challenge of merging outstanding activity with low cost as well as simple, rapid, and low‐energy‐consumed production, restricting its industrial applications. Herein, an inexpensive yet robust nanozyme (i.e., DT‐Cu) via simple one‐step coordination between diaminotriazole (DT) and CuSO₄ within 1 h in water at room temperature...

article

Novel α‐amino‐3‐hydroxy‐5‐methyl‐4‐isoxazole‐propionic acid receptor (AMPAR) potentiator LT‐102: A promising therapeutic agent for treating cognitive impairment associated with schizophrenia

Xueyu Qi, Xueli Yu, Long Wei, Han Jiang, more

CNS Neuroscience & Therapeutics > 30 > 4 > n/a - n/a

Aims We aimed to evaluate the potential of a novel selective α‐amino‐3‐hydroxy‐5‐methyl‐4‐isoxazole‐propionic acid receptor (AMPAR) potentiator, LT‐102, in treating cognitive impairments associated with schizophrenia (CIAS) and elucidating its mechanism of action. Methods The activity of LT‐102 was examined by Ca²⁺ influx assays and patch‐clamp in rat primary hippocampal neurons. The structure...

article

Surface wind climates in the North China Plain: Implications for air quality

Xun Hu, Xuhui Cai, Xuesong Wang, Yu Song, more

International Journal of Climatology > 42 > 16 > 10322 - 10336

Wind climatology is significant for applications from weather forecasting to air pollution control. Investigation of wind climates in the North China Plain (NCP) region is insufficient yet. Based on hourly observational data at 94 surface weather stations from 2014 to 2020, wind climatic features in the NCP region were examined using statistical and clustering methods. The seasonal average wind speed...

article

Fingolimod ameliorates schizophrenia‐like cognitive impairments induced by phencyclidine in male rats

Xueli Yu, Xueyu Qi, Long Wei, Liansheng Zhao, more

British Journal of Pharmacology > 180 > 2 > 161 - 173

Background and Purpose Improvement of cognitive deficits in schizophrenia remains an unmet need owing to the lack of new therapies and drugs. Recent studies have reported that fingolimod, an immunomodulatory drug for treating multiple sclerosis, demonstrates anti‐inflammatory and neuroprotective effects in several neurological disease models. This suggests its usefulness for ameliorating cognitive...

article

Circulating long non‐coding RNA Coromarker expression correlated with inflammation, coronary artery stenosis, and plaque vulnerability in patients with coronary artery disease

Gang Liu, Xun Hu, Yi Li, Ming Long

Journal of Clinical Laboratory Analysis > 36 > 11 > n/a - n/a

Background The aim of the study was to assess the correlation between circulating long non‐coding RNA (lncRNA) OTTHUMT00000387022 (named Coromarker) expression and disease severity, inflammatory cytokine levels, and plaque vulnerability in patients with coronary artery disease (CAD). Methods A total of 134 participants who received coronary angiography were enrolled and classified them as CAD patients...

article

Methanation of CO₂ over Ni/clay: Effects of calcination temperature on catalyst properties and reaction intermediates formed

Félix Mérimé Bkangmo Kontchouo, Zhiran Gao, Mengjiao Fan, Lijun Zhang, more

International Journal of Energy Research > 46 > 14 > 19493 - 19507

Ordinary clay is an abundant material and has the potential of being used as the low‐cost support of heterogenous catalysts. Thermal stability of ordinary clay is a question of concern for preparation of clay‐based catalyst for use at high temperature. In this study, Ni/clay catalyst with the clay calcined at varied temperature was prepared, characterized, and evaluated in the methanation of CO₂...

article

Heavy bio‐oils as bio‐binders for rice husk densification: Parameter optimization, binding mechanisms and subsequent pyrolysis and combustion performances

Hui Li, Shanshan Yan, Bing Song, Peter Hall, more

Biofuels, Bioproducts and Biorefining > 16 > 4 > 1025 - 1037

Densification is widely considered as a means to improve the bulk energy density and transportation efficiency of biomass, while the durability and fuel quality of densified biomass often need to be further improved by the addition of binders. In this study, the heavy fractions of bio‐oils from slow pyrolysis (HBO‐SP) and hydrothermal treatment (HBO‐HT) of rice husk (RH) are used as bio‐binders for...

article

Reasons for lesion uncrossability as assessed by intravascular ultrasound

Hanan Salem, Gary S. Mintz, Mitsuaki Matsumura, Mingyou Zhang, more

Catheterization and Cardiovascular Interventions > 99 > 7 > 2028 - 2037

Objectives The purpose of the current study was to use intravascular ultrasound (IVUS) to clarify anatomical and morphological lesion characteristics of uncrossable lesions. Background Uncrossable lesions are not always severely calcified. The prevalence of uncrossable lesions that are nonseverely calcified as well as other mechanisms for uncrossability has not been well clarified. Methods A...

article

Network of Bi₂O₃–Al₂O₃–NaPO₃ glasses studied by solid‐state nuclear magnetic resonance spectroscopy

Ruili Zhang, Delong Ma, Jianrong Wang, Yang Chen, more

Journal of the American Ceramic Society > 105 > 8 > 5167 - 5177

A detailed structural investigation of a series of phosphate laser glasses with composition xBi₂O₃–yAl₂O₃–(100 − x–y)NaPO₃ (x = 0, 10; y = 0, 5, 10, 15, 20) has been conducted using solid‐state nuclear magnetic resonance (NMR) techniques and X‐ray photoelectron spectroscopy (XPS). ³¹P MAS NMR spectroscopy demonstrates that the addition of Bi₂O₃ and Al₂O₃ leads to the depolymerization of the phosphorus...

article

Development of CO₂/H₂O activated biochar derived from pine pyrolysis: application in methylene blue adsorption

Shasha Liu, Chen Shen, Yuhui Wang, Yong Huang, more

Journal of Chemical Technology & Biotechnology > 97 > 4 > 885 - 893

BACKGROUND The interaction mechanism between adsorbent and adsorbate is of great significance in the adsorption process. Activated biochar, prepared from pine sawdust using CO₂ and H₂O as activator, was employed to adsorb methylene blue in printing and dyeing pollutants. The pore structure, carbon structure of the aromatic ring system and functional groups were investigated though characterization...

article

Catalytic co‐pyrolysis of macroalgal components with lignocellulosic biomass for enhanced biofuels and high‐valued chemicals

Benjamin Bernard Uzoejinwa, Bin Cao, Shuang Wang, Xun Hu, more

International Journal of Energy Research > 46 > 3 > 2674 - 2697

This study focuses on catalytic co‐pyrolysis of a lignocellulosic biomass (rice husk) and main components of the seaweed Enteromorpha clathrata (ie, protein, polysaccharide, and ash) using TGA and Py‐GC/MS analytical techniques with the aim and novelty to unveil their catalytic co‐pyrolysis thermal behaviors and synergistic effect of interactions between their catalytic co‐pyrolysis volatiles for...

article

Engineered Polymeric Carbon Nitride Additive for Energy Storage Materials: A Review

Zhonghao Wang, Bingjun Jin, Jun Peng, Wan Su, more

Advanced Functional Materials > 31 > 43 > n/a - n/a

The ever‐increasing demands for high energy density electronics have motivated research on exploring new types of electrode materials featuring mechanical flexibility and electrical storage capability. Of these, polymeric carbon nitride (PCN) has been increasingly studied in regard to electrical energy storage (EES) because of its abundant pyridinic N content, which is beneficial for enhancing electrochemical...

article

Catalytic pyrolysis of polyethylene terephthalate over zeolite catalyst: Characteristics of coke and the products

Chao Li, Farshad Ataei, Farid Atashi, Xun Hu, more

International Journal of Energy Research > 45 > 13 > 19028 - 19042

Polyethylene terephthalate (PET) is highly used in the packaging industry, which triggered the pile‐up of a huge amount of waste in the environment. Catalytic pyrolysis can convert PET waste into fuel in solid, liquid, and gaseous products. In this study, the catalytic pyrolysis of PET granules in the presence of zeolite (A4 type) was studied. The results indicated that zeolite could remarkably influence...

article

Left coronary artery calcification patterns after coronary bypass graft surgery: An in‐vivo optical coherence tomography study

Rafal Wolny, Gary S. Mintz, Mitsuaki Matsumura, Song‐Yi Kim, more

Catheterization and Cardiovascular Interventions > 98 > 3 > 483 - 491

Objectives We sought to evaluate the severity and patterns of calcifications in the left main coronary artery (LMCA) and proximal segments of left anterior descending coronary artery (LAD) and left circumflex artery (LCX) using optical coherence tomography (OCT) in patients with and without prior coronary artery bypass grafting (CABG). Background CABG may accelerate upstream calcium development...

article

Magnetically separable NiFe₂O₄/Ag₃VO₄/Ag₂VO₂PO₄ direct Z‐scheme heterostructure with enhanced visible‐light photoactivity

Changhua Su, Dafeng Zhang, Xipeng Pu, Zhuang He, more

Journal of Chemical Technology & Biotechnology > 96 > 10 > 2976 - 2985

BACKGROUND The occurrence of organic contaminants in surface water has drawn great concern in recent years. The construction of a heterostructure has been shown to improve photoactivity by boosting the separation of photogenerated charge carriers. In this work, magnetically separable NiFe₂O₄/Ag₃VO₄/Ag₂VO₂PO₄ (NFO/AVO/AVPO) heterojunction photocatalysts were synthesized via a chemical etching method...

article

Hydrogenation of biomass derivatives over Ni/clay catalyst: significant impacts of the treatment of clay with NaOH on the reaction network

Hongli Tian, Yuewen Shao, Kai Sun, Guoming Gao, more

Journal of Chemical Technology & Biotechnology > 96 > 9 > 2569 - 2578

BACKGROUND Ordinary clay is a natural material with bulk volume that can potentially be used as a low‐cost support material for a catalyst after activation. RESULTS In this study, ordinary clay was pretreated with NaOH and used as the support of a nickel catalyst. The treatment of the clay with NaOH significantly increased the mesopores, remarkably promoting the dispersion of Ni and enhancing the...

article

Biochar catalyzing polymerization of the volatiles from pyrolysis of poplar wood

Chao Li, Chenting Zhang, Lijun Zhang, Mortaza Gholizadeh, more

International Journal of Energy Research > 45 > 9 > 13936 - 13951

In this study, the pyrolysis of poplar wood chips with biochar catalyst produced from gasification of the same poplar wood chips was conducted, aiming to probe its influence on the evolution of the pyrolysis products. From the results, it was concluded that the biochar catalyst enhanced the polymerization of the volatiles produced from the pyrolysis, and thus reduced the yields of the gaseous compounds...

article

Robust Anode‐Supported Cells with Fast Oxygen Release Channels for Efficient and Stable CO₂ Electrolysis at Ultrahigh Current Densities

Tianpei Li, Tengpeng Wang, Tao Wei, Xun Hu, more

Small > 17 > 6 > n/a - n/a

High‐temperature electrolysis using solid oxide electrolysis cells (SOECs) provides a promising way for the storage of renewable energy into chemical fuels. During the past, nickel‐based cathode‐supported thin‐film electrolyte configuration was widely adopted. However, such cells suffer from the serious challenge of anode delamination at high electrolysis currents due to enormous gaseous oxygen formation...

article

Ordinary clay as a support of nickel catalyst for steam reforming of acetic acid: Impacts of pretreatments of clay on catalytic behaviors

Zhiran Gao, Zhanming Zhang, Hongli Tian, Qing Xu, more

International Journal of Energy Research > 44 > 13 > 10378 - 10393

Ordinary clay is a widely distributed and abundantly available material with the potential use as support of nickel catalysts with low cost. For the steam reforming of acetic acid, this study demonstrated the feasibility of ordinary clay as carrier of nickel catalyst. The pretreatment of the clay via impregnation with H₂SO₄, leaching with H₂SO₄ and pretreated with NaOH were carried out and the results...

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INFONA - science communication portal

Search results for: Xun Hu

Effect of biochar structure on the selective adsorption of heavy components in bio‐oil

Rapid and Green Fabrication of Nanozyme with Geminal CuN₃O Configuration for Efficient Catecholase‐Mimicking

Novel α‐amino‐3‐hydroxy‐5‐methyl‐4‐isoxazole‐propionic acid receptor (AMPAR) potentiator LT‐102: A promising therapeutic agent for treating cognitive impairment associated with schizophrenia

Surface wind climates in the North China Plain: Implications for air quality

Fingolimod ameliorates schizophrenia‐like cognitive impairments induced by phencyclidine in male rats

Circulating long non‐coding RNA Coromarker expression correlated with inflammation, coronary artery stenosis, and plaque vulnerability in patients with coronary artery disease

Methanation of CO₂ over Ni/clay: Effects of calcination temperature on catalyst properties and reaction intermediates formed

Heavy bio‐oils as bio‐binders for rice husk densification: Parameter optimization, binding mechanisms and subsequent pyrolysis and combustion performances

Reasons for lesion uncrossability as assessed by intravascular ultrasound

Network of Bi₂O₃–Al₂O₃–NaPO₃ glasses studied by solid‐state nuclear magnetic resonance spectroscopy

Development of CO₂/H₂O activated biochar derived from pine pyrolysis: application in methylene blue adsorption

Catalytic co‐pyrolysis of macroalgal components with lignocellulosic biomass for enhanced biofuels and high‐valued chemicals

Engineered Polymeric Carbon Nitride Additive for Energy Storage Materials: A Review

Catalytic pyrolysis of polyethylene terephthalate over zeolite catalyst: Characteristics of coke and the products

Left coronary artery calcification patterns after coronary bypass graft surgery: An in‐vivo optical coherence tomography study

Magnetically separable NiFe₂O₄/Ag₃VO₄/Ag₂VO₂PO₄ direct Z‐scheme heterostructure with enhanced visible‐light photoactivity

Hydrogenation of biomass derivatives over Ni/clay catalyst: significant impacts of the treatment of clay with NaOH on the reaction network

Biochar catalyzing polymerization of the volatiles from pyrolysis of poplar wood

Robust Anode‐Supported Cells with Fast Oxygen Release Channels for Efficient and Stable CO₂ Electrolysis at Ultrahigh Current Densities

Ordinary clay as a support of nickel catalyst for steam reforming of acetic acid: Impacts of pretreatments of clay on catalytic behaviors

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