检索结果-南通市图书馆

Giant nonfunctional ectopic adrenocortical carcinoma on the anterior abdominal wall: A case report

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Clinical Cases 2019年第15期7卷 2075-2080页

作者： Dong-Kai Zhou zheng-hao liu Bing-Qiang Gao Wei-Lin Wang Department of Hepatobiliary and Pancreatic Surgery The Second Affiliated HospitalSchool of MedicineZhejiang UniversityHangzhou 310003Zhejiang ProvinceChina Key Laboratory of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang Province The First Affiliated HospitalSchool of MedicineZhejiang UniversityHangzhou 310003Zhejiang ProvinceChina Clinical Research Center of Hepatobiliary and Pancreatic Diseases of Zhejiang Province The First Affiliated HospitalSchool of MedicineZhejiang UniversityHangzhou 310003Zhejiang ProvinceChina

BACKGROUND Adrenocortical cancer(ACC) is an infrequent and often aggressive malignancy with a very poor prognosis. It can be classified as functional or *** ACC is hampered by the absence of specific signs or symptoms;only abdominal pain with or without incidental adrenal occupation is typically *** SUMMARY We report a rare case of a patient with a 30 cm × 15 cm × 8 cm ectopic ACC on the anterior abdominal wall without organ adhesion. A 77-year-old male was admitted to our hospital because of a huge abdominal mass, which, by ultrasonography, had an unclear border with the liver. Computed tomography showed that the mass was not associated with any organ but was adherent to the anterior abdominal wall. The patient underwent tumor resection, and a postoperative pathology examination showed a neuroendocrine tumor, which was diagnosed as ACC. The patient was disease-free at the 9-mo follow *** The anterior abdominal wall is a rare site of ACC growth.

关键词： Adrenocortical carcinoma Nonfunctional Ectopic Abdominal wall Case report

The role of axon guidance molecules in the pathogenesis of epilepsy

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Neural Regeneration Research 2025年第5期20卷 1244-1257页

作者： zheng liu Chunhua Pan hao Huang Department of Neurology Affiliated Hospital of Zunyi Medical UniversityZunyiGuizhou ProvinceChina

Current treatments for epilepsy can only manage the symptoms of the condition but cannot alter the initial onset or halt the progression of the disease. Consequently, it is crucial to identify drugs that can target novel cellular and molecular mechanisms and mechanisms of action. Increasing evidence suggests that axon guidance molecules play a role in the structural and functional modifications of neural networks and that the dysregulation of these molecules is associated with epilepsy susceptibility. In this review, we discuss the essential role of axon guidance molecules in neuronal activity in patients with epilepsy as well as the impact of these molecules on synaptic plasticity and brain tissue remodeling. Furthermore, we examine the relationship between axon guidance molecules and neuroinflammation, as well as the structural changes in specific brain regions that contribute to the development of epilepsy. Ample evidence indicates that axon guidance molecules, including semaphorins and ephrins, play a fundamental role in guiding axon growth and the establishment of synaptic connections. Deviations in their expression or function can disrupt neuronal connections, ultimately leading to epileptic seizures. The remodeling of neural networks is a significant characteristic of epilepsy, with axon guidance molecules playing a role in the dynamic reorganization of neural circuits. This, in turn, affects synapse formation and elimination. Dysregulation of these molecules can upset the delicate balance between excitation and inhibition within a neural network, thereby increasing the risk of overexcitation and the development of epilepsy. Inflammatory signals can regulate the expression and function of axon guidance molecules, thus influencing axonal growth, axon orientation, and synaptic plasticity. The dysregulation of neuroinflammation can intensify neuronal dysfunction and contribute to the occurrence of epilepsy. This review delves into the mechanisms associated with

关键词： axon guidance drug-resistant epilepsy epilepsy nerve regeneration nervous system diseases neural pathways neuroinflammatory diseases neuronal plasticity neurons synaptic remodeling

维普期刊数据库

Experimental demonstration of separating the wave-particle duality of a single photon with the quantum Cheshire cat

在线全文

学校读者我要写书评

暂无评论

Light(Science & Applications) 2023年第1期12卷 128-135页

作者： Jia-Kun Li Kai Sun Yan Wang Ze-Yan hao zheng-hao liu Jie Zhou Xing-Yan Fan Jing-Ling Chen Jin-Shi Xu Chuan-Feng Li Guang-Can Guo CAS Key Laboratory of Quantum Information University of Science and Technology of China230026 HefeiChina CAS Center for Excellence in Quantum Information and Quantum Physics University of Science and Technology of China230026 HefeiChina Hefei National Laboratory University of Science and Technology of China230088 HefeiChina Theoretical Physics Division Chern Institute of MathematicsNankai University300071 TianjinChina

As a fundamental characteristic of physical entities,wave-particle duality describes whether a microscopic entity exhibits wave or particle attributes depending on the specific experimental *** assumption is premised on the notion that physical properties are inseparable from the objective ***,after the concept of the quantum Cheshire cats was proposed,which makes the separation of physical attributes from the entity possible,the premise no longer ***,an experimental demonstration of the separation of the wave and particle attributes inspired by this scenario remains *** this work,we experimentally separated the wave and particle attributes of a single photon by exploiting the quantum Cheshire cat concept for the first *** applying a weak disturbance to the evolution of the system,we achieve an effect similar to the quantum Cheshire cat and demonstrated the separation of the wave and particle attributes via the extraction of weak *** work provides a new perspective for the in-depth understanding of wave-particle duality and promotes the application of weak measurements in fundamentals of quantum mechanics.

关键词： quantum duality particle

Huge portal venous aneurysm incidentaloma caused by intrahepatic arterioportal fistula accompany with hepatobiliary stones and cholangitis

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Hepatobiliary Surgery and Nutrition 2021年第2期10卷 288-290页

作者： zheng-hao liu Dong-Kai Zhou Yu-Cheng Xiang Cheng Zeng Wei-Lin Wang Department of Hepatobiliary and Pancreatic Surgery The Second Affiliated HospitalZhejiang University School of MedicineHangzhouChina Key Laboratory of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Tumor of Zhejiang Province HangzhouChina Research Center of Diagnosis and Treatment Technology for Hepatocellular Carcinoma of Zhejiang Province HangzhouChina Clinical Medicine Innovation Center of Precision Diagnosis and Treatment for Hepatobiliary and Pancreatic Disease of Zhejiang University HangzhouChina Clinical Research Center of Hepatobiliary and Pancreatic Diseases of Zhejiang Province HangzhouChina

A 64-year-old female was admitted to our department because of abdominal discomfort and recurrent fever for 1 month,she had attended her local hospital 10 days earlier,where the sign of fever was regarded as being due to the pulmonary infection,however,moxifloxacin and peramivir had no therapeutic *** admission,the physical examinations were showed an upper abdominal thrill and auscultation heard a blood vessel murmur at the same location,lab tests were not showed any remarkable results,the tumor marker levels were within normal *** portal color contrast ultrasonography was showed a 5.4 cm×3.3 cm bright spot in the left intrahepatic bile duct,and a 0.9 cm distal bright spot in,and 0.7 cm expansion of the right intrahepatic bile duct(Figure 1A).Contrast-enhanced computed tomography(CT)were showed intrahepatic cholangiectasis,tumor-like dilatation of the left portal ramus,and left liver atrophy and cirrhosis(Figure 1B).

关键词： intrahepatic admitted Figure

Probing quantum causality with geometric asymmetry in spatial-temporal correlations

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Science China(Information Sciences) 2024年第9期67卷 294-305页

作者： Yu MENG zheng-hao liu Zhikuan Zhao Peng YIN Yi-Tao WANG Wei liu Zhi-Peng LI Yuan-Ze YANG Zhao-An WANG Jin-Shi XU Shang YU Jian-Shun TANG Chuan-Feng LI Guang-Can GUO CAS Key Laboratory of Quantum Information University of Science and Technology of China CAS Center for Excellence in Quantum Information and Quantum Physics University of Science and Technology of China Department of Computer Science Eidgen?ssische Technische Hochschule Zürich Hefei National Laboratory Department of Physics Imperial College London Research Center for Quantum Sensing Zhejiang Lab

Causation promotes the understanding of correlation to an advanced stage by elucidating its underlying mechanism. Although statisticians have specified the possible causal relations among correlations,inferring causal structures is impossible from only the observed correlations in the classical world. Quantum correlations encapsulating the most defining aspects of quantum physics have taken a new turn for the causal inference problem — the two-point spatial and temporal quantum correlations with observationally discernible characteristics correspond exactly to the two most basic causal structures. However, a direct causal interpretation for quantum correlations has only been established in very limited cases. Here, we explore to what extent quantum correlations promote causal inference. Theoretically, we have found that the distinguishable causal regime of two-point Pauli correlations can be expanded from a single value to an asymmetric interval, and the causal structures determining the quantum correlations can be interpreted by a simple distance criterion. Experimentally, we have devised and implemented a versatile non-unital quantum channel in an optical architecture to directly observe such an asymmetric interval. The setup enabled quantum causal inference without any requirement of active intervention, which is impossible in the classical realm. Our work facilitates the identification of causal links among quantum variables and provides insight into characterizing causation and spatial-temporal correlation in quantum mechanics.

关键词： causality quantum information quantum channel channel-state duality non-unital channel

Experimental verification of a coherence factorization law for quantum states

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Photonics Research 2022年第9期10卷 2172-2177页

作者： YI zheng CHENG-JIE ZHANG zheng-hao liu JIAN-WEI Shao JIN-SHI XU CHUAN-FENG LI GUANG-CAN GUO CAS Key Laboratory of Quantum Information University of Science and Technology of ChinaHefei 230026China CAS Center for Excellence in Quantum Information and Quantum Physics University of Science and Technology of ChinaHefei 230026China Hefei National Laboratory University of Science and Technology of ChinaHefei 230088China School of Physical Science and Technology Ningbo UniversityNingbo 315211China State Key Laboratory of Precision Spectroscopy School of Physics and Electronic ScienceEast China Normal UniversityShanghai 200241China

As a quantum resource,quantum coherence plays an important role in modern *** coherence measures and their relations with entanglement have been proposed,and the dynamics of entanglement has been experimentally ***,the knowledge of general results for coherence dynamics in open systems is *** we propose a coherence factorization law that describes the evolution of coherence passing through any noisy channels characterized by genuinely incoherent *** use photons to implement the quantum operations and experimentally verify the law for qubits and *** work is a step toward understanding of the evolution of coherence when the system interacts with the environment,and will boost the study of more general laws of coherence.

关键词： quantum factorization operations

维普期刊数据库

Room-temperature coherent manipulation of single-spin qubits in silicon carbide with a high readout contrast

在线全文

学校读者我要写书评

暂无评论

National Science Review 2022年第5期9卷 89-98页

作者： Qiang Li Jun-Feng Wang Fei-Fei Yan Ji-Yang Zhou Han-Feng Wang He liu Li-Ping Guo Xiong Zhou Adam Gali zheng-hao liu Zu-Qing Wang Kai Sun Guo-Ping Guo Jian-Shun Tang hao Li Li-Xing You Jin-Shi Xu Chuan-Feng Li Guang-Can Guo CAS Key Laboratory of Quantum Information University of Science and Technology of China CAS Center for Excellence in Quantum Information and Quantum Physics University of Science and Technology of China Key Laboratory of Artificial Micro-and Nano-structures of Ministry of Education and School of Physics and Technology Wuhan University Department of Atomic Physics Budapest University of Technology and Economics Wigner Research Centre for Physics State Key Laboratory of Functional Materials for Informatics Shanghai Institute of Microsystem and Information Technology Chinese Academy of Sciences(CAS)

Spin defects in silicon carbide(SiC) with mature wafer-scale fabrication and micro/nano-processing technologies have recently drawn considerable *** room-temperature single-spin manipulation of colour centres in SiC has been demonstrated,the typically detected contrast is less than 2%,and the photon count rate is also ***,we present the coherent manipulation of single divacancy spins in 4 H-SiC with a high readout contrast(-30%) and a high photon count rate(150 kilo counts per second)under ambient conditions,which are competitive with the nitrogen-vacancy centres in *** between a single defect spin and a nearby nuclear spin is also *** further provide a theoretical explanation for the high readout contrast by analysing the defect levels and decay *** the high readout contrast is of utmost importance in many applications of quantum technologies,this work might open a new territory for SiC-based quantum devices with many advanced properties of the host material.

关键词： silicon carbide single divacancy defects spin coherent control high readout contrast bright photon emission

Small modifications of endo-functionalized cavities lead to large changes in molecular interaction in water

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Science China Chemistry 2025年第1期68卷 369-376页

作者： Song-Meng Wang hao Nian Yan-Fang Wang Li-Shuo zheng Yu-Tao zheng Yi-Wei Dong Liping Huang Xiaoping Wang Wei Jiang liu-Pan Yang Department of Chemistry Southern University of Science and Technology School of Chemistry and Pharmaceutical Sciences State Key Laboratory for Chemistry and Molecular Engineering of Medicinal ResourcesGuangxi Normal University School of Pharmaceutical Science Hengyang Medical School University of South China

Studying molecular recognition in aqueous environments is crucial for understanding biological processes. Herein, we present a series of N-doped endo-functionalized anthracene-based cavities by introducing inward-directed pyridine units. The subtle modifications can significantly affect the binding properties of these receptors, which is similar to the mutations in biological systems. Combining theoretical calculations and molecular recognition experiments demonstrated that these “mutations” have an impact on the hydrophobicity and charge distribution of the hosts, consequently significantly influencing molecular *** is crucial for understanding the intricate mechanisms of molecular-level interactions in biological receptors.

关键词： host-guest interaction hydrophobic effect endo-functionalized cavity mutation pyridine

Experimental observation of an anomalous weak value without post-selection

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Photonics Research 2020年第9期8卷 1468-1474页

作者： MU YANG QIANG LI zheng-hao liu ZE-YAN hao CHANG-LIANG REN JIN-SHI XU CHUAN-FENG LI AND GUANG-CAN GUO CAS Key Laboratory of Quantum Information University of Science and Technology of ChinaHefei 230026China CAS Center for Excellence in Quantum Information and Quantum Physics University of Science and Technology of ChinaHefei 230026China Center for Nanofabrication and System Integration Chongqing Institute of Green and Intelligent TechnologyChinese Academy of SciencesChongqing 400714China

Weak measurement has been shown to play important roles in the investigation of both fundamental and practical *** weak values are generally believed to be observed only when post-selection is performed,i.e.,only a particular subset of the data is ***,we experimentally demonstrate that an anomalous weak value can be obtained without discarding any data by performing a sequential weak measurement on a single-qubit *** controlling the blazing density of the hologram on a spatial light modulator,the measurement strength can be conveniently *** an anomalous phenomenon disappears when the measurement strength of the first observable becomes ***,we find that the anomalous weak value cannot be observed without post-selection when the sequential measurement is performed on each of the components of a two-qubit system,which confirms that the observed anomalous weak value is based on sequential weak measurement of two noncommutative operators.

关键词： value subset conveniently

维普期刊数据库