Search results for: Shan‐shan Lu

Items from 1 to 20 out of 37 results

article

Hyperperfusion on Arterial Spin Labeling MRI Predicts the 90‐Day Functional Outcome After Mechanical Thrombectomy in Ischemic Stroke

Shan‐shan Lu, Yue‐zhou Cao, Chun‐qiu Su, Xiao‐quan Xu, more

Journal of Magnetic Resonance Imaging > 53 > 6 > 1815 - 1822

Background The prognostic significance of hyperperfusion after reperfusion therapy in patients with acute ischemic stroke (AIS) remains controversial. Purpose To investigate the clinical factors associated with hyperperfusion, and the 90‐day prognostic value of hyperperfusion after mechanical thrombectomy in AIS patients. Study Type Retrospective. Population/Subjects Fifty‐four AIS patients...

article

Texture Analysis of High b‐Value Diffusion‐Weighted Imaging for Evaluating Consistency of Pituitary Macroadenomas

Chun‐Qiu Su, Xuan Zhang, Ting Pan, Xiao‐Tian Chen, more

Journal of Magnetic Resonance Imaging > 51 > 5 > 1507 - 1513

Background Preoperative evaluation of the consistency of pituitary macroadenomas is important for neurosurgeons to prepare the surgical plan. Purpose To evaluate the diagnostic performance of texture analysis (TA) of diffusion‐weighted imaging (DWI) at a standard b‐value (b = 1000 s/mm²) and a high b‐value (b = 2000 s/mm²) for their ability to assess the tumor consistency of pituitary macroadenomas...

article

Comparison of CT angiography collaterals for predicting target perfusion profile and clinical outcome in patients with acute ischemic stroke

Shan-shan Lu, Xuan Zhang, Xiao-quan Xu, Yue-zhou Cao, more

European Radiology > 2019 > 29 > 9 > 4922-4929

Objectives To compare collateral status on single-phase CT angiography (sCTA) and multiphase CT angiography (mCTA) and their ability to predict a target mismatch on CT perfusion (CTP) and clinical outcome in patients with acute ischemic stroke (AIS). Methods Seventy-three AIS patients with stroke onset between 5 and 15 h or with unclear onset time and occlusions in the M1/M2 segment of the middle...

article

Plasma homocysteine levels and intracranial plaque characteristics: association and clinical relevance in ischemic stroke

Shan Shan Lu, Jun Xie, Chun Qiu Su, Song Ge, more

BMC Neurology > 2018 > 18 > 1 > 1-7

Background Elevated plasma homocysteine (Hcy) is an independent risk factor for ischemic stroke. This study aimed to evaluate the association between Hcy levels and intracranial plaque characteristics and to investigate their clinical relevance in ischemic stroke. Methods Ninety-four patients with intracranial atherosclerosis (ICAS) were enrolled. Plasma Hcy levels were measured. Intracranial plaque...

article

Hypoxic conditioned medium derived from bone marrow mesenchymal stromal cells protects against ischemic stroke in rats

Run‐Hao Jiang, Chen‐Jiang Wu, Xiao‐Quan Xu, Shan‐Shan Lu, more

Journal of Cellular Physiology > 234 > 2 > 1354 - 1368

In recent years, studies have shown that the secretome of bone marrow mesenchymal stromal cells (BMSCs) contains many growth factors, cytokines, and antioxidants, which may provide novel approaches to treat ischemic diseases. Furthermore, the secretome may be modulated by hypoxic preconditioning. We hypothesized that conditioned medium (CM) derived from BMSCs plays a crucial role in reducing tissue...

article

Plaque Distribution and Characteristics in Low-Grade Middle Cerebral Artery Stenosis and Its Clinical Relevance: A 3-Dimensional High-Resolution Magnetic Resonance Imaging Study

Shan shan Lu, Song Ge, Chun qiu Su, Jun Xie, more

Journal of Stroke and Cerebrovascular Diseases > 2018 > 27 > 8 > 2243-2249

The significance of atherosclerotic plaques in the parental artery with low-grade stenosis remains undetermined. We used three-dimensional high-resolution magnetic resonance imaging (3D HR-MRI) to investigate plaque distribution and characteristics of low-grade middle cerebral artery (MCA) stenosis and its clinical relevance with stroke events.We retrospectively studied 22 symptomatic patients and...

article

MRI of plaque characteristics and relationship with downstream perfusion and cerebral infarction in patients with symptomatic middle cerebral artery stenosis

Shan‐Shan Lu, Song Ge, Chun‐Qiu Su, Jun Xie, more

Journal of Magnetic Resonance Imaging > 48 > 1 > 66 - 73

Background Intracranial plaque characteristics are associated with stroke events. Differences in plaque features may explain the disconnect between stenosis severity and the presence of ischemic stroke. Purpose To investigate the relationship between plaque characteristics and downstream perfusion changes, and their contribution to the occurrence of cerebral infarction beyond luminal stenosis....

article

Hierarchically three-level Ni3(VO4)2@NiCo2O4 nanostructure based on nickel foam towards highly efficient alkaline hydrogen evolution

Xiao Shang, Jing-Qi Chi, Shan-Shan Lu, Bin Dong, more

Electrochimica Acta > 2017 > 256 > C > 100-109

Designing mixed transition metal oxides with advantageous nanostructure is efficient access to highly-efficient electrocatalysts for hydrogen evolution reaction (HER) in water electrolysis due to more exposed active sites and synergistic effects in mixed metals. A hierarchically three-level nanostructure combining two types of mixed transition metal oxides on nickel foam (Ni₃(VO₄)₂@NiCo₂O₄/NF) has...

article

Vanadium sulfides interwoven nanoflowers based on in-situ sulfurization of vanadium oxides octahedron on nickel foam for efficient hydrogen evolution

Yi Rao, Li-Ming Zhang, Xiao Shang, Bin Dong, more

Applied Surface Science > 2017 > 423 > C > 1090-1096

Novel vanadium sulfides interwoven nanoflowers supported on nickel foam (VO-S/NF) has been synthesized through a facile two-step access. Firstly, octahedron-structured vanadium oxides as precursor were anchored on the surface of NF (VO/NF) by a hydrothermal process. Secondly, in-situ sulfurization in H₂S gas has been applied to prepare VO-S/NF. XRD shows that VO-S/NF sample is composed of mixture...

article

Nitrogen-doped oxidized carbon fiber as metal-free electrode towards highly efficient water oxidation

Xiao Shang, Jing-Qi Chi, Shan-Shan Lu, Bin Dong, more

International Journal of Hydrogen Energy > 2017 > 42 > 47 > 28287- 28297

Highly efficient and metal-free electrocatalysts hold promising in industrial water electrolysis with low cost, environmental friendliness and structural stability in wide pH electrolyte. Herein, N and O dual-doped carbon fiber (CF-O-N) has been hydrothermally synthesized as a three-dimensional (3D) electrocatalyst for oxygen evolution reaction (OER). The co-doping of N and O atoms acts as dual-active-site...

article

Mo2C@NC@MoSx porous nanospheres with sandwich shell based on MoO42--polymer precursor for efficient hydrogen evolution in both acidic and alkaline media

Jing-Qi Chi, Xiao Shang, Shan-Shan Lu, Bin Dong, more

Carbon > 2017 > 124 > C > 555-564

Mo₂C@NC@MoS_x porous nanospheres with sandwich shell have been synthesized for efficient hydrogen evolution in both acidic and alkaline media. Firstly, porous MoO₂-Mo₂C@NC nanospheres have been obtained with ultrafine Mo₂C nanocrystallines as core and ultrathin N-doped carbon (NC) as shell through the carbonization of MoO₄^2--/aniline-pyrrole (MoO₄^2--Polymer) as precursor. Secondly, Mo₂C@NC@MoS_x porous...

article

Controlling electrodeposited ultrathin amorphous Fe hydroxides film on V-doped nickel sulfide nanowires as efficient electrocatalyst for water oxidation

Xiao Shang, Kai-Li Yan, Shan-Shan Lu, Bin Dong, more

Journal of Power Sources > 2017 > 363 > C > 44-53

Developing cost-effective electrocatalysts with both high activity and stability remains challenging for oxygen evolution reaction (OER) in water electrolysis. Herein, based on V-doped nickel sulfide nanowire on nickel foam (NiVS/NF), we further conduct controllable electrodeposition of Fe hydroxides film on NiVS/NF (eFe/NiVS/NF) to further improve OER performance and stability. For comparison, ultrafast...

article

A facile method for reduced CoFe2O4 nanosheets with rich oxygen vacancies for efficient oxygen evolution reaction

Kai-Li Yan, Xiao Shang, Zi-Zhang Liu, Bin Dong, more

International Journal of Hydrogen Energy > 2017 > 42 > 38 > 24150- 24158

The efficiency of electrochemical water splitting is greatly hindered by the thermodynamic uphill reaction of oxygen evolution reaction (OER). Thus, it is important to synthesize an active OER electrocatalysts with abundant active sites, favorable conductivity and good durability. Herein, a facile reduction method using NaBH₄ as readily available reductant has been developed to fabricate the reduced...

article

Novel WS2/WO3 heterostructured nanosheets as efficient electrocatalyst for hydrogen evolution reaction

Xiao Shang, Yi Rao, Shan-Shan Lu, Bin Dong, more

Materials Chemistry and Physics > 2017 > 197 > C > 123-128

A facile sulfurization process has been utilized to synthesize WS₂/WO₃ heterostructure using WO₃ square nanosheets as support. The thin WO₃ nanosheets synthesized by hydrothermal method may provide large surface area with homogeneous dispersion, which is favorable for exposing active sites and fast charge transfer for hydrogen evolution reaction (HER). SEM and TEM images show that the thin square...

article

Quantitative assessment of hyperacute cerebral infarction with intravoxel incoherent motion MR imaging: Initial experience in a canine stroke model

Qian‐Qian Gao, Shan‐Shan Lu, Xiao‐Quan Xu, Cheng‐Jiang Wu, more

Journal of Magnetic Resonance Imaging > 46 > 2 > 550 - 556

Purpose To evaluate the feasibility of intravoxel incoherent motion (IVIM) for the measurement of diffusion and perfusion parameters in hyperacute strokes. Materials and Methods An embolic ischemic model was established with an autologous thrombus in 20 beagles. IVIM imaging was performed on a 3.0 Tesla platform at 4.5 h and 6 h after embolization. Ten b values from 0 to 900 s/mm² were fitted with...

article

Oxidized carbon fiber supported vertical WS2 nanosheets arrays as efficient 3 D nanostructure electrocatalyts for hydrogen evolution reaction

Xiao Shang, Kai-Li Yan, Zi-Zhang Liu, Shan-Shan Lu, more

Applied Surface Science > 2017 > 402 > C > 120-128

Oxidized carbon fiber (oCF) as support successfully realizes the vertical growth of uniform WS₂ nanosheets arrays for efficient hydrogen evolution reaction (HER) via a facile hydrothermal process. Thanks to oxygen functional groups on oCF, vertical WS₂ nanosheets structures have grown more easily on oCF, which can provide better dispersion, short charge transfer distance and more exposed active sites...

article

pH and reduction dual-responsive dipeptide cationic lipids with α–tocopherol hydrophobic tail for efficient gene delivery

Qiang Liu, Rong-Chuan Su, Wen-Jing Yi, Li-Ting Zheng, more

European Journal of Medicinal Chemistry > 2017 > 129 > C > 1-11

A series of tocopherol-based cationic lipid 3a-3f bearing a pH-sensitive imidazole moiety in the dipeptide headgroup and a reduction-responsive disulfide linkage were designed and synthesized. Acid-base titration of these lipids showed good buffering capacities. The liposomes formed from 3 and co-lipid 1, 2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) could efficiently bind and condense DNA into nanoparticles...

article

Electrodeposited MoSx films assisted by liquid crystal template with ultrahigh electrocatalytic activity for hydrogen evolution reaction

Guan-Qun Han, Xiao Shang, Shan-Shan Lu, Bin Dong, more

International Journal of Hydrogen Energy > 2017 > 42 > 8 > 5132-5138

MoS_x as a promising electrocatalyst for hydrogen evolution reaction (HER) has the active sites of rims and edges and inert sites of basal plane. A strategy to activate MoS_x is to produce more unsaturated S or S vacancies on the inert plane by designing unique nanostructure. Herein, we report a facile electrodeposition assisted by liquid crystal template (LCT) to prepare MoS_x film on ITO substrate...

article

Novel CoxSy/WS2 nanosheets supported on carbon cloth as efficient electrocatalyst for hydrogen evolution reaction

Xiao Shang, Jing-Qi Chi, Shan-Shan Lu, Bin Dong, more

International Journal of Hydrogen Energy > 2017 > 42 > 7 > 4165-4173

To maximum the activity of transition metal sulfides for hydrogen evolution reaction (HER), two strategies usually have been adopted including designing unique nanostructures and integrating other metal element. Herein, Co_xS_y/WS₂ nanosheets supported on carbon cloth (Co_xS_y/WS₂/CC) have been fabricated via a facile hydrothermal process. The cross-linked structures composed of Co_xS_y/WS₂ nanosheets uniformly...

article

Facile synthesis of hollow SnO2 nanospheres uniformly coated by Ag for electro-oxidation of hydrazine

Bin Dong, Wen-Hui Hu, Xin-Yu Zhang, Jue Wang, more

Materials Letters > 2017 > 189 > C > 9-12

Novel Ag/SnO₂ has been synthesized by a facile two-step method using hollow SnO₂ nanospheres as support. Firstly, monodispersed SnO₂ hollow nanospheres have been obtained by solvothermal (ethanol/water) method. X-ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM) show that hollow SnO₂ nanospheres exhibit good crystalline and monodispersion with the...

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Search results for: Shan‐shan Lu

Hyperperfusion on Arterial Spin Labeling MRI Predicts the 90‐Day Functional Outcome After Mechanical Thrombectomy in Ischemic Stroke

Texture Analysis of High b‐Value Diffusion‐Weighted Imaging for Evaluating Consistency of Pituitary Macroadenomas

Comparison of CT angiography collaterals for predicting target perfusion profile and clinical outcome in patients with acute ischemic stroke

Plasma homocysteine levels and intracranial plaque characteristics: association and clinical relevance in ischemic stroke

Hypoxic conditioned medium derived from bone marrow mesenchymal stromal cells protects against ischemic stroke in rats

Plaque Distribution and Characteristics in Low-Grade Middle Cerebral Artery Stenosis and Its Clinical Relevance: A 3-Dimensional High-Resolution Magnetic Resonance Imaging Study

MRI of plaque characteristics and relationship with downstream perfusion and cerebral infarction in patients with symptomatic middle cerebral artery stenosis

Hierarchically three-level Ni3(VO4)2@NiCo2O4 nanostructure based on nickel foam towards highly efficient alkaline hydrogen evolution

Vanadium sulfides interwoven nanoflowers based on in-situ sulfurization of vanadium oxides octahedron on nickel foam for efficient hydrogen evolution

Nitrogen-doped oxidized carbon fiber as metal-free electrode towards highly efficient water oxidation

Mo2C@NC@MoSx porous nanospheres with sandwich shell based on MoO42--polymer precursor for efficient hydrogen evolution in both acidic and alkaline media

Controlling electrodeposited ultrathin amorphous Fe hydroxides film on V-doped nickel sulfide nanowires as efficient electrocatalyst for water oxidation

A facile method for reduced CoFe2O4 nanosheets with rich oxygen vacancies for efficient oxygen evolution reaction

Novel WS2/WO3 heterostructured nanosheets as efficient electrocatalyst for hydrogen evolution reaction

Quantitative assessment of hyperacute cerebral infarction with intravoxel incoherent motion MR imaging: Initial experience in a canine stroke model

Oxidized carbon fiber supported vertical WS2 nanosheets arrays as efficient 3 D nanostructure electrocatalyts for hydrogen evolution reaction

pH and reduction dual-responsive dipeptide cationic lipids with α–tocopherol hydrophobic tail for efficient gene delivery

Electrodeposited MoSx films assisted by liquid crystal template with ultrahigh electrocatalytic activity for hydrogen evolution reaction

Novel CoxSy/WS2 nanosheets supported on carbon cloth as efficient electrocatalyst for hydrogen evolution reaction

Facile synthesis of hollow SnO2 nanospheres uniformly coated by Ag for electro-oxidation of hydrazine

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