Search results for: Peng Ding

Items from 1 to 20 out of 195 results

article

Convolutional neural network models for automatic diagnosis and graduation in skin frostbite

Jiachen Sun, Lin Fu, Wen Zhang, Dongjie Li, more

International Wound Journal > 20 > 4 > 910 - 916

The study aimed to develop and validate a convolutional neural network (CNN)‐based deep learning method for automatic diagnosis and graduation of skin frostbite. A dataset of 71 annotated images was used for the training, the validation, and the testing based on ResNet‐50 model. The performances were evaluated with the test set. The diagnosis and graduation performance of our approach was compared...

article

Fluorescent Probes Based on AIEgen‐Mediated Polyelectrolyte Assemblies for Manipulating Intramolecular Motion and Magnetic Relaxivity

Yongkang Yao, Peng Ding, Chenxu Yan, Yining Tao, more

Angewandte Chemie International Edition > 62 > 13 > n/a - n/a

Uniting photothermal therapy (PTT) with magnetic resonance imaging (MRI) holds great potential in nanotheranostics. However, the extensively utilized hydrophobicity‐driven assembling strategy not only restricts the intramolecular motion‐induced PTT, but also blocks the interactions between MR agents and water. Herein, we report an aggregation‐induced emission luminogen (AIEgen)‐mediated polyelectrolyte...

article

Fluorescent Probes Based on AIEgen‐Mediated Polyelectrolyte Assemblies for Manipulating Intramolecular Motion and Magnetic Relaxivity

Yongkang Yao, Peng Ding, Chenxu Yan, Yining Tao, more

Angewandte Chemie > 135 > 13 > n/a - n/a

article

PGAM4 silencing inhibited glycolysis and chemoresistance to temozolomide in glioma cells

Bin Lu, Xiao‐Hu Nie, Rui Yin, Peng Ding, more

Cell Biology International > 47 > 4 > 776 - 786

Gliomas account for about 80% of malignant brain tumors. The incidence of a new brain tumor is 6.4 per 100,000 persons per year with an overall 5‐year survival rate of 33.4%. Regardless of the great advances that have been made in recent years, the causes and pathogenesis of glioma remain unclear. Here we study how phosphoglycerate mutase 4 (PGAM4) contributes to glioma. Using a variety of methods...

article

Multiply robust estimation of causal effects under principal ignorability

Zhichao Jiang, Shu Yang, Peng Ding

Journal of the Royal Statistical Society: Series B (Statistical Methodology) > 84 > 4 > 1423 - 1445

Causal inference concerns not only the average effect of the treatment on the outcome but also the underlying mechanism through an intermediate variable of interest. Principal stratification characterizes such a mechanism by targeting subgroup causal effects within principal strata, which are defined by the joint potential values of an intermediate variable. Due to the fundamental problem of causal...

article

Thermal‐hydraulic analysis of wire‐wrapped rod bundle in lead‐based fast reactor with non‐uniform heat flux

Kejian Dong, Shakeel Ahmad, Shahid Ali Khan, Peng Ding, more

International Journal of Energy Research > 46 > 12 > 16538 - 16549

As one of the most promising advanced reactors, the lead‐based fast reactor has drawn great attention due to economic and safety advantages. Investigating thermal hydraulics is essential for the design of a lead‐based reactor. In this paper, a CFD simulation of a 19‐wire‐wrapped‐rod bundle with lead‐bismuth eutectic (LBE) as coolant is carried out using the Reynolds‐averaged Navier‐Stokes equation...

article

The clinical influence of preformed nonspecific anti‐HLA antibodies on single‐unit umbilical cord blood transplantation in patients with haematological malignancies

Yue Wu, Baolin Tang, Kaidi Song, Guangyu Sun, more

British Journal of Haematology > 198 > 4 > e63 - e66

article

Peng Ding’s contribution to the Discussion of ‘Assumption‐lean inference for generalised linear model parameters’ by Vansteelandt and Dukes

Peng Ding

Journal of the Royal Statistical Society: Series B (Statistical Methodology) > 84 > 3 > 691 - 693

article

Regulated Polyion Complex Vesicles for Efficient Photothermal Therapy

Wenjuan Zhou, Peng Ding, Chenglin Zhang, Bohang Wu, more

Advanced Functional Materials > 32 > 17 > n/a - n/a

Polyion complex (PIC) vesicles have attracted considerable attention as soft yet functional delivery vehicles. However, most of the PIC vesicles suffer from insufficient stability and functionality which hinder their applications. Herein, a new type of PIC vesicles obtained by co‐assembly of neutral‐cationic diblock copolymers with a supramolecular coordination polyelectrolyte is reported. The latter...

article

CCL2 activates AKT signaling to promote glycolysis and chemoresistance in glioma cells

Yafang Qian, Peng Ding, Jie Xu, Xiaohu Nie, more

Cell Biology International > 46 > 5 > 819 - 828

The incidence of gliomas is increasing. Although great progress in glioma treatment has been made, the clinical outcome remains unsatisfactory. Chemokine (C‐C motif) ligand 2 (CCL2) plays a key role in different types of cancers, including glioma. However, the function of CCL2 in glioma chemoresistance is not fully understood. In the current study, CCL2 was significantly upregulated in glioma. More...

article

BMPER alleviates ischemic brain injury by protecting neurons and inhibiting neuroinflammation via Smad3‐Akt‐Nrf2 pathway

Peng Ding, Wei Chen, Xiaodi Yan, Jinxiang Zhang, more

CNS Neuroscience & Therapeutics > 28 > 4 > 593 - 607

Aims Bone morphogenetic proteins (BMPs) are a group of proteins related to bone morphogenesis. BMP‐binding endothelial regulator (BMPER), a secreted protein that interacts with BMPs, is known to be involved in ischemic injuries. Here, we explored the effects of BMPER on cerebral ischemia and its mechanism of action. Methods A mouse model of brain ischemia was induced by middle cerebral artery occlusion...

article

Poor survival and prediction of prolonged isolated thrombocytopenia post umbilical cord blood transplantation in patients with hematological malignancies

Yue Wu, Zhidan Zhang, Meijuan Tu, Tianzhong Pan, more

Hematological Oncology > 40 > 1 > 83 - 92

Prolonged isolated thrombocytopenia (PIT) is a common complication after umbilical cord blood transplantation (UCBT). However, data on PIT prediction and impacts on transplantation outcomes for UCBT patients are rare. We retrospectively analyzed 244 patients with hematological malignancies who received single‐unit UCBT at the First Affiliated Hospital of USTC between August 2018 and December 2019...

article

Influence of Salt Doping on the Entropy‐Driven Lower Disorder‐to‐Order Transition Behavior of Poly(ethylene oxide)‐b‐Poly(4‐vinylpyridine)

Ze‐Kun Zhang, Shi‐Peng Ding, Yi‐Ting Zhou, Ze Ye, more

Macromolecular Chemistry and Physics > 222 > 24 > n/a - n/a

Poly(ethylene oxide)‐b‐poly(4‐vinylpyridine) (PEO‐b‐P4VP) block copolymers (BCPs) exhibiting lower disorder‐to‐order transition (LDOT) phase behavior are doped with different salts (LiCl, CuCl₂, and FeCl₃), in which both blocks can competitively associate with the metal ions. It is found that the entropy‐driven LDOT phase behavior of PEO‐b‐P4VP can be bi‐directionally adjusted by enthalpic interactions,...

article

Model‐assisted analyses of cluster‐randomized experiments

Fangzhou Su, Peng Ding

Journal of the Royal Statistical Society: Series B (Statistical Methodology) > 83 > 5 > 994 - 1015

Cluster‐randomized experiments are widely used due to their logistical convenience and policy relevance. To analyse them properly, we must address the fact that the treatment is assigned at the cluster level instead of the individual level. Standard analytic strategies are regressions based on individual data, cluster averages and cluster totals, which differ when the cluster sizes vary. These methods...

article

Engineering Self‐Reconstruction via Flexible Components in Layered Double Hydroxides for Superior‐Evolving Performance

Jiao Liu, Peng Ding, Zexuan Zhu, Wei Du, more

Small > 17 > 38 > n/a - n/a

Most transition metal‐based catalysts for electrocatalytic oxygen evolution reaction (OER) undergo surface reconstruction to generate real active sites favorable for high OER performance. Herein, how to use self‐reconstruction as an efficient strategy to develop novel and robust OER catalysts by designing pre‐catalysts with flexible components susceptible to OER conditions is proposed. The NiFe‐based...

article

Plywood‐like structures of injection‐molded polypropylene

Guanglong Wang, Junhui Cao, Shusen Hou, Peng Ding, more

Polymer Engineering & Science > 61 > 9 > 2267 - 2275

N,N′‐dicyclohexyl‐2,6‐naphthalenedicarboxamide, a commercial nucleating agent, can dissolve into molten polypropylene (PP) and self‐organize into needle‐like crystals when the melt temperature reaches 260°C. As temperature decreases, PP molecules crystallize on the surface of the needle‐like crystals with their c‐axis perpendicular to the long axis of the crystal. Under a flow field in injection molding,...

article

Recent Progress in Electrocatalytic Methanation of CO₂ at Ambient Conditions

Runbo Zhao, Peng Ding, Peipei Wei, Longcheng Zhang, more

Advanced Functional Materials > 31 > 13 > n/a - n/a

Electrochemical CO₂ reduction under ambient conditions is a promising pathway for conversion of CO₂ into value‐added products. In recent years, great achievements have been obtained in the understanding the mechanism and development of efficient and selective catalysts for electrochemical CO₂ reduction. However, the electrochemical CO₂ reduction is still far from practical applications. Based on the...

article

Efficient Synthesis of Stable Polyelectrolyte Complex Nanoparticles by Electrostatic Assembly Directed Polymerization

Peng Ding, Lusha Chen, Cheng Wei, Wenjuan Zhou, more

Macromolecular Rapid Communications > 42 > 4 > n/a - n/a

Polyelectrolyte complex nanoparticles with integrated advances of coacervate complexes and nanomaterials have attracted considerable attention as soft templates and functional nano‐carriers. Herein, a facile and robust strategy, namely electrostatic assembly directed polymerization (EADP), for efficient and scalable preparation of stable coacervate nanoparticles is presented. With homo‐polyelectrolyte...

article

Is being an only child harmful to psychological health?: evidence from an instrumental variable analysis of China's one‐child policy

Shuxi Zeng, Fan Li, Peng Ding

Journal of the Royal Statistical Society: Series A (Statistics in Society) > 183 > 4 > 1615 - 1635

The paper evaluates the effects of being an only child in a family on psychological health, leveraging data on the one‐child policy in China. We use an instrumental variable approach to address the potential unmeasured confounding between the fertility decision and psychological health, where the instrumental variable is an index of the intensity of the implementation of the policy. We establish an...

article

Sharp bounds on the relative treatment effect for ordinal outcomes

Jiannan Lu, Yunshu Zhang, Peng Ding

Biometrics > 76 > 2 > 664 - 669

For ordinal outcomes, the average treatment effect is often ill‐defined and hard to interpret. Echoing Agresti and Kateri, we argue that the relative treatment effect can be a useful measure, especially for ordinal outcomes, which is defined as

γ = pr {Y_{i} (1) > Y_{i} (0)} - pr {Y_{i} (1) < Y_{i} (0)}

, with

Y_{i} (1)

and

Y_{i} (0)

being the potential outcomes of unit

i

under treatment and control, respectively. Given the marginal...

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INFONA - science communication portal

Search results for: Peng Ding

Convolutional neural network models for automatic diagnosis and graduation in skin frostbite

Fluorescent Probes Based on AIEgen‐Mediated Polyelectrolyte Assemblies for Manipulating Intramolecular Motion and Magnetic Relaxivity

Fluorescent Probes Based on AIEgen‐Mediated Polyelectrolyte Assemblies for Manipulating Intramolecular Motion and Magnetic Relaxivity

PGAM4 silencing inhibited glycolysis and chemoresistance to temozolomide in glioma cells

Multiply robust estimation of causal effects under principal ignorability

Thermal‐hydraulic analysis of wire‐wrapped rod bundle in lead‐based fast reactor with non‐uniform heat flux

The clinical influence of preformed nonspecific anti‐HLA antibodies on single‐unit umbilical cord blood transplantation in patients with haematological malignancies

Peng Ding’s contribution to the Discussion of ‘Assumption‐lean inference for generalised linear model parameters’ by Vansteelandt and Dukes

Regulated Polyion Complex Vesicles for Efficient Photothermal Therapy

CCL2 activates AKT signaling to promote glycolysis and chemoresistance in glioma cells

BMPER alleviates ischemic brain injury by protecting neurons and inhibiting neuroinflammation via Smad3‐Akt‐Nrf2 pathway

Poor survival and prediction of prolonged isolated thrombocytopenia post umbilical cord blood transplantation in patients with hematological malignancies

Influence of Salt Doping on the Entropy‐Driven Lower Disorder‐to‐Order Transition Behavior of Poly(ethylene oxide)‐b‐Poly(4‐vinylpyridine)

Model‐assisted analyses of cluster‐randomized experiments

Engineering Self‐Reconstruction via Flexible Components in Layered Double Hydroxides for Superior‐Evolving Performance

Plywood‐like structures of injection‐molded polypropylene

Recent Progress in Electrocatalytic Methanation of CO₂ at Ambient Conditions

Efficient Synthesis of Stable Polyelectrolyte Complex Nanoparticles by Electrostatic Assembly Directed Polymerization

Is being an only child harmful to psychological health?: evidence from an instrumental variable analysis of China's one‐child policy

Sharp bounds on the relative treatment effect for ordinal outcomes

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