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Articles by Wei Yi
On-Surface Non-Equilibrium Phase Evolution Toward 2D Supramolecular Glass
1 Introduction Manipulating the transition between long-range ordered crystalline and short-range ordered glassy states stands as a vibrant frontier in supramolecular chemistry and condensed matter physics [1-5].
A proposed psychometabolic endotype of polyendocrine metabolic ovarian syndrome: bidirectional interplay between psychological distress, eating dysfunction, sleep disruption, chronic stress, and metabolic deterioration
Abstract Background: Polycystic ovary syndrome was renamed polyendocrine metabolic ovarian syndrome (PMOS) in 2026 to better represent its multisystem biology. Psychological distress, eating dysregulation, sleep disturbance, and metabolic dysfunction frequently coexist, yet clinical care and research commonly treat them as parallel comorbidities.
Radical enantioconvergent meta-C─H alkylation of pyridines
Abstract INTRODUCTION RESULTS DISCUSSION MATERIALS AND METHODS Acknowledgments Supplementary Materials REFERENCES Information & Authors Metrics & Citations View Options References Figures Tables Media Share This article has 0 eLetter . Abstract Enantioselective meta-C─H functionalization of pyridines represents a long-standing challenge that, if resolved, would open transformative avenues in synthesis and drug discovery.
A Modified Fracture Criterion for Brittle Rocks Under Mixed-Mode I/III Loading
Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The data that support the findings of this study are available from the corresponding author upon reasonable request. References 1, , and , “On the Use of Different Diametral Compression Cracked Disc Shape Specimens for Introducing Mode III Deformation,” Fatigue & Fracture of Engineering Materials & Structures 44, no. 11 (2021): 3135–3151.
Electrospun Janus Nanofibrous Mats as Multifunctional Fish Preservation Gaskets
Electrospun Janus Nanofibrous Mats as Multifunctional Fish Preservation Gaskets - He - 2026 - Macromolecular Materials and Engineering - Wiley Online Library
Agentic artificial intelligence in radiology workflow: from image interpretation to report quality control
Abstract Radiology AI has grown past the single-purpose detector. The newest systems, built around large language models (LLMs), chain together the steps a radiologist actually works through: triaging the worklist, retrieving prior imaging studies, processing images, drafting a structured report, checking for mistakes.
Four decades of research on multiword expressions: A bibliometric analysis
Multiword expressions have been a prominent research topic in applied linguistics and second language acquisition. However, no bibliometric analysis has been conducted to examine the landscape of this field. Using CiteSpace, we analyzed 1,302 research articles published from 1983 to 2024, retrieved from the Web of Science database.
Magnetic Hexapod Microrobots for Biofilm Eradication on Medical Implants
1 Introduction The proliferation of implantable medical devices has revolutionized modern medicine, yet it has simultaneously precipitated a surge in device-associated infections (DAIs) [1, 2]. These infections progress insidiously and can culminate in severe complications such as bacteremia and sepsis, imposing substantial clinical and economic burdens [3-7].
Acupoint catgut embedding exerts node-dependent effects on leptin resistance–related signaling and the ghrelin–GOAT pathway in obese mice
Abstract Background: Obesity is a major metabolic health problem with limited effective treatments. Acupoint catgut embedding (ACE) has shown therapeutic potential; however, its underlying mechanisms remain unclear. This study aimed to investigate the effects of ACE on leptin resistance and the Ghrelin-GOAT pathway in obese mice. Methods: Diet-induced obesity was established in C57BL/6 J mice.
Microglia as candidate links between hormonal signals and neuronal circuits in polycystic ovary syndrome: evidence gaps and a research agenda
Abstract Polycystic ovary syndrome (PCOS) combines reproductive endocrine dysfunction with metabolic, autonomic, and neurobehavioral phenotypes, yet the contribution of brain microglia remains uncertain. We conducted a structured narrative review that separates human PCOS evidence, PCOS-like animal findings, PCOS-related cellular observations, and non-PCOS mechanistic bridges.
Cervical cancer screening preferences by sexual orientation among persons assigned female at birth
Background Disparities in up-to-date cervical cancer screening rates persist among women, including those identifying as lesbian, gay, bisexual or other sexual orientation (LGB+), highlighting the need for more inclusive and targeted screening interventions. With human papillomavirus at-home self-testing recently approved, we studied cervical cancer screening preferences by sexual orientation among persons assigned female at birth.
PYRIN m 6 A modification drives cardiomyocyte PANoptosis in sepsis-induced cardiomyopathy
Abstract Sepsis-induced cardiomyopathy (SIC) is a major contributor to mortality in patients with sepsis, with PANoptosis—a form of inflammatory programmed cell death—emerging as a critical mechanism. This study investigated the upstream regulatory axis involving m6A RNA modification and its control of PYRIN expression in SIC. A murine SIC model was established via cecal ligation and puncture.
Oxytocin Modulates Inhibitory Control via Neural-Temporal Mechanisms
Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The data that support the findings of this study are available from the corresponding author upon reasonable request. Supporting Information Filename Description psyp70342-sup-0001-Supinfo.docxWord 2007 document , 1.3 MB Table S1: Protocol of power analysis in G*Power.
Systemic-to-local nanorobot thrombolysis
Abstract INTRODUCTION RESULTS DISCUSSION MATERIALS AND METHODS Acknowledgments Supplementary Materials REFERENCES Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Magnetic micro/nanorobots hold promise for targeted thrombolysis, yet face challenges of rapid immune clearance and poor degradability, often necessitating invasive localized deployment and retrieval.
A Comprehensive Undergraduate Experiment: Bismuth Trichloride-Doped PTAA as Hole Transport Layer for High-Performance Perovskite Solar Cells
This work focuses on the fabrication and optimization of perovskite solar cells (PSCs) and implements project-based teaching in the “Optoelectronic Materials” course for undergraduate materials science majors. By integrating cutting-edge research into undergraduate experimental courses, a comprehensive experiment on “BiCl3-Doped Polytriarylamine (PTAA) as a Hole Transport Layer” is designed.
Glycyrrhizin preparations in liver diseases: a narrative review of mechanisms and therapeutic potential
Abstract Glycyrrhizin preparations (GLPS), derived from Glycyrrhiza uralensis (licorice), are widely used hepatoprotective agents in clinical practice. Their primary active components, 18α- and 18β-glycyrrhetinic acid (GA), are represented by formulations including diammonium glycyrrhizinate (DG), compound glycyrrhizin (CG), and magnesium isoglycyrrhizinate (MgIG).
Identifying symptom communities and core symptoms in the anxiety-depression network among computer science students
Abstract Although the mental health of college students has become a focus in the health field and society, there is still little discussion about the mental health of students in computer science and related majors. This study was guided by the network theory of mental disorders, presents a symptom network analysis of anxiety and depression among computer science students. A total of 3934 computer science students were included in this study.
Bilirubin directly activates RIPK3 to induce non-classical necroptosis
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Abstract Bilirubin, a byproduct of heme metabolism, is traditionally recognized for its antioxidant properties. However, its accumulation under pathological conditions can result in severe clinical manifestations, including neurotoxicity. Here, we report that bilirubin acts as an activator of receptor-interacting protein kinase 3 (RIPK3), inducing necroptosis and contributing to neurotoxic effects.
By Qian Xue, Xi Ma, Ziyuan Chen, Jiawen Wu, Wenhao Bao, Li Zhou Verified, Wei Yi, Min Wu, Wenwen Xu, Rongrong He, Jingcheng Feng, Yameng Hu, Xi Chen, Daolin Tang, Xin McRae Chen, Jinbao Liu, Feifei Ge, Siyan Liao, Xintian Wu
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Nature
Verified
Tailoring Conjugated Imidazolium Additives Enables High-Performance Inverted Perovskite Solar Cells via In Situ Forming Low-Dimensional Perovskites
1 Introduction Organic-inorganic hybrid halide perovskites have attracted significant attention due to their exceptional light absorption capabilities and high charge carrier mobility, driving their rapid adoption in solar cells, photodetectors, and light-emitting diodes [1-6]. Among these, perovskite solar cells (PSCs) stand out as a highly promising next-generation photovoltaic technology [7].
Simulation of a Floquet non-Abelian topological insulator with photonic quantum walks
Abstract Floquet non-Abelian topological phases emerge in periodically driven systems and exhibit properties that are absent from their Abelian or static counterparts. Dubbed the Floquet non-Abelian topological insulators (FNATIs), they are characterized by non-Abelian topological charges with intricate bulk-boundary correspondence, making their experimental observation challenging.
Improved Functional Components and Anti‐Inflammatory and Anti‐Oxidant Activity of Coconut Water by Bidirectional Fermentation Using Ganoderma lucidum
Conflicts of Interest The authors declare no conflicts of interest Data Availability Statement The data that support the findings of this study are available from the corresponding author upon reasonable request. Supporting Information Filename Description jfds70728-sup-0001-SuppMat.docx8.1 MB Supplementary Material: jfds70728-sup-0001-SuppMat.docx References , , , et al. 2024.
Javokhir Sindarov
Romanized Name: Javokhir Sindarov Born: December 8, 2005 Tashkent, Uzbekistan (age 19) Approx. Total Winnings: $384,062 International Master: 2017 Javokhir Sindarov (born December 8, 2005) is an Uzbek chess Grandmaster who last played for Team Vitality.
A-Site Cation Disorder Engineering in Ruddlesden–Popper Layered Perovskite Oxide La2(Ba,Sr)In2O7 for Hybrid Improper Ferroelectricity
Cite Jump to ExpandCollapse ArticleOctober 21, 2025 A-Site Cation Disorder Engineering in Ruddlesden–Popper Layered Perovskite Oxide La2(Ba,Sr)In2O7 for Hybrid Improper Ferroelectricity Click to copy article linkArticle link copied! Takumi Terauchi Takumi Terauchi Department of Material Chemistry, Graduate School of Engineering, Kyoto University, Katsura Nishikyo-ku, Kyoto 615-8510, Japan Wei Yi* Wei Yi Department of Material Chemistry, Graduate School of Engineering, Kyoto University,...
【大專 | 成長點滴】在未知中前進：蔡承恩的留美棒球旅程 - 三級棒球 - 棒球 | 運動視界 Sports Vision
一年前，從東體畢業後，帶著忐忑的心情，承恩飛往美國，踏上未知的旅程。 一年後，問了承恩想對一年前的自己說什麼，他說：「對於還沒發生事情的擔心和還沒克服的挑戰，要相信最終都能靠著自己走過來。過程雖然有想放棄，不過只要忍耐，總有一天會出頭的，就像獲得很多獎項。」 赴美打球的這一年，承恩理解每段過程的不容易，這些遇見的焦慮是必然的，因此，他選擇欣然接受。面對重重困難，他明白這些問題終究會回到自己身上，因此，他懂得觀察、調整心態和向他人學習。經歷這些之後，儘管前方路途依舊未知，不過，他也已經累積許多經驗，養足能量，繼續征服下一座高峰。 前往美國打球的起點，是承恩在高三暑假和台東體中去美國參加貝比魯斯聯盟。 比賽過程，他深刻感受「美國球員在場上的積極和果斷，即便輸掉比賽，也能迅速調整、重新找回節奏」，那份認真投入又自在瀟灑的態度，非常吸引他。特別在即將回程的當天，一名經紀人和承恩一對一談話，除了肯定他的球技與品格，也覺得他有點像鄭宗哲，這份稱讚對他不僅是鼓勵，同時，在他心中埋下種子——如果有機會，想去美國闖看看。...
Engineering topological chiral transport in a flat-band lattice of ultracold atoms - Light: Science & Applications
Abstract The manipulation of particle transport in synthetic quantum matter is an active research frontier for its theoretical importance and potential applications. Here we experimentally demonstrate an engineered topological transport in a synthetic flat-band lattice of ultracold 87Rb atoms.
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I'm leading the Deep Learning team at AstraZeneca. Previously I worked at SecondMind, Microsoft Research, and also was CTO of a hedge fund EQB.
Optical coherence tomography angiography integrating differential phase and intensity images for in vivo imaging of a mouse retina
Optical coherence tomography angiography (OCTA) suffers from more motion artifacts compared to optical coherence tomography, which are the primary source of image quality degradation in in vivo imaging. We propose an OCTA algorithm in this Letter that differs from motion compensation methods widely employed to reduce motion artifacts and effectively mitigates these artifacts. The algorithm integrates differential phase and intensity images based on the standard deviation of the flow signals.
Ambient NH3 synthesis via electrochemical reduction of N2 over Fe-MnO2 layered nanoflower catalyst
Ambient NH3 synthesis via electrochemical reduction of N2 over Fe-MnO2 layered nanoflower catalyst Electrocatalytic nitrogen reduction reaction (eNRR) is a promising technology for NH3 production under ambient conditions. In this paper, Fe-MnO2 layered nanoflower catalysts are prepared by impregnation method at room temperature with MnO2 layered nanoflower precursor, which is prepared by hydrothermal method.
Reinforcement Learning from Human Feedback (RLHF) — Models, Losses and their explanations
You want to understand how RLHF works to train amazing models such as ChatGPT. This article introduces the four models used in RLHF: The base model B(x; ω) that performs next word prediction given prompt x, trained with self-supervision. ω is the trainable parameters in the base model. The supervised fine-tuned model SF(x; η) that mimics human dialogue responses for prompt x. η is the trainable parameters in the fine-tuned model.
A Spontaneous Nonhuman Primate Model of Inherited Retinal Degeneration
ResearchGeneticsOphthalmology Open Access | 10.1172/jci.insight.190807 JCI Insight. https://doi.org/10.1172/jci.insight.190807. Copyright © 2025, Yi et al. This work is licensed under the Creative Commons Attribution 4.0 International License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. View PDF Abstract Inherited retinal degenerations (IRDs) are important causes of progressive, irreversible blindness.
The Pole-to-Ground Fault Current Calculation Method and Impact Factor Investigation for Monopole DC Grids
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
Access to N-α-deuterated amino acids and DNA conjugates via Ca(II)-HFIP-mediated reductive deutero-amination of α-oxo-carbonyl compounds - Nature Communications
Abstract The development of practical and selective strategies for deuterium incorporation to construct deuterated molecules, particularly deuterium-labeled amino acids, has become as a growing focus of basic research, yet it remains a formidable challenge. Herein, we present a bioinspired calcium-HFIP-mediated site-selective reductive deutero-amination of α-oxo-carbonyl compounds with amines.
Photochemical upcycling of polymers via visible light-driven C−H bond activation
Photochemical upcycling of polymers via visible light-driven C−H bond activation The excessive use and improper disposal of plastics have placed a significant burden on the environment. To mitigate this impact, prioritizing the chemical upcycling of plastics is crucial. Unlike traditional thermochemical upcycling, which requires harsh conditions such as high temperatures and pressures, photochemical upcycling is viewed as a more environmentally friendly and cost-effective alternative.
不同形态镁肥对生菜生长发育及品质的影响
Using Romaine lettuce(Lactuca sativa)as the test material，five different forms of magnesium fertilizers were selected and applied in the pot experiment，including magnesium sulfate(MgSO4)，magnesium chelate(Mg-EDTA)，magnesium oxide(MgO)，magnesium hydride(MgH2)，and magnesium(Mg)，with four magnesium concentrations of 0 mg/kg(L0)，3.5 mg/kg(L1)，7 mg/kg(L2)，and 14 mg/kg(L3)，to evaluate the effects of different forms of magnesium fertilizers on seed germination，yield and nutritional quality of...
Collective quantum stochastic resonance in Rydberg atoms
We study the collective response of a group of dissipative Rydberg atoms to a periodic modulation of the Rydberg excitation laser. Focusing on the emergent collective-jump dynamics, where the system stochastically switches between states with distinct Rydberg excitations, we show that the counting statistics of the state switching is qualitatively changed by the periodic drive.
Chiral dynamics of ultracold atoms under a tunable SU(2) synthetic gauge field - Nature Physics
Abstract Surface currents arise in superconductors under magnetic fields and are a key signature of the Meissner effect. Similarly, chiral dynamics have been observed in quantum simulators under synthetic Abelian gauge fields. These simulators offer flexible control, enabling the engineering of non-Abelian gauge fields, although their influence on chiral dynamics remains unclear.
Glass nano/micron pipette-based ion current rectification sensing technology for single cell/vivo analysis
Glass nano/micron pipette-based ion current rectification sensing technology for single cell/vivo analysis Glass nano/micron pipette, due to its easy preparation, unique confined space at the tip, and modifiable inner surface of the tip, has the ability to capture the ion current signal caused by a single entity, making it widely used in the construction of highly sensitive and highly selective electrochemical sensor for single entities analysis.
Electrochemical meta-C–H sulfonylation of pyridines with nucleophilic sulfinates - Nature Communications
Abstract Considering the indispensable significance and utilities of meta-substituted pyridines in medicinal, chemical as well as materials science, a direct meta-selective C–H functionalization of pyridines is of paramount importance, but such reactions remain limited and highly challenging. In general, established methods for meta C–H functionalization of pyridines rely on the utilization of tailored electrophilic reagents to realize the intrinsic polarity match.
Observation of Non-Hermitian Edge Burst in Quantum Dynamics
The non-Hermitian skin effect, by which the eigenstates of the Hamiltonian are predominantly localized at the boundary, has revealed a strong sensitivity of non-Hermitian systems to the boundary condition. Here we experimentally observe a striking boundary-induced dynamical phenomenon known as the non-Hermitian edge burst, which is characterized by a sharp boundary accumulation of loss in non-Hermitian time evolutions.
Understand REINFORCE, Actor-Critic, and PPO in One Go
Use the loss function of the Policy Gradient algorithm as key to understand various reinforcement learning algorithms: REINFORCE, Actor-Critic, and PPO, which are theoretical preparations to understand the Reinforcement Learning from Human Feedback (RLHF) algorithm used to build ChatGPT. Studying reinforcement learning can be frustrating because the field is cursed with confusing jargon and algorithms with subtle differences.
How Does an Image-Text Foundation Model Work
By Wei Yi Learn how an image-text multi-modality model can perform image classification, image retrieval, and image captioning Photo by Bozhin Karaivanov on Unsplash Nowadays, there is a surge of multi-modality foundation models. They understand different kinds of data, including text, image, video, audio, and can perform tasks that require the knowledge of...
The Utilization by Bacteroides spp. of a Purified Polysaccharide from Fuzhuan Brick Tea
All articles published by MDPI are made immediately available worldwide under an open access license. No special permission is required to reuse all or part of the article published by MDPI, including figures and tables. For articles published under an open access Creative Common CC BY license, any part of the article may be reused without permission provided that the original article is clearly cited. For more information, please refer to https://www.mdpi.com/openaccess.
How Does the Segment-Anything Model’s (SAM’s) Encoder Work?
How Does the Segment-Anything Model’s (SAM’s) Encoder Work? This article explains how the Segment-Anything model’s (SAM) encoder works. SAM uses a ImageEncoderViT class to produce…
Integrated transcriptomics and proteomics identified CMPK1 as a potent
Kang Zhao,1,* Rui Mao,2,* Wei Yi,3– 6 Zhengyun Ren,3– 6 Yanjun Liu,3– 5 Huawu Yang,3– 5 Senlin Wang,3– 6 Zhonghui Feng4– 6 1Section for Day Surgery, Department of General Surgery, The Third People’s Hospital of Chengdu, The Affiliated Hospital of Southwest Jiao Tong University, Chengdu, 610031, People’s Republic of China; 2Department of Dermatology, Xiangya Hospital, Central South University, Changsha, People’s Republic of China; 3College of Medicine, Southwest Jiaotong University,...
Policy Approaches for Increasing Adolescent HPV Vaccination Coverage: A Systematic Review
US jurisdictions have enacted a wide range of policies to address low human papillomavirus (HPV) vaccination coverage among adolescents, but it is unclear which policies are effective. To systematically review the impact of governmental policies on adolescent HPV vaccination coverage. Eligible studies, published from 2009 to 2022, evaluated the impact of governmental policies on HPV vaccination coverage among adolescents ages 9 to 18.
One-step synthesis of diaryloxadiazoles as potent inhibitors of BCRP
Supplemental Materials MetricsHistory Received 1 November 2023 Accepted 9 March 2024 Published online 4 April 2024 Information © 2024 Expert Publishing Science Ltd trading as Taylor & Francis KeywordsSupplementary data To view the supplementary data that accompany this paper please visit the journal website at: www.future-science.com/doi/suppl/10.4155/fmc-2023-0322 Author contributions W Yi performed the synthesis and characterization of the compounds disclosed in the study.
How does the Segment-Anything Model’s (SAM’s) decoder work?
How does the Segment-Anything Model’s (SAM’s) decoder work? Photo by dylan nolte on Unsplash A deep dive into how the Segment-Anything model’s decoding procedure, with a focus on how its self-attention and cross-attention mechanism works. The Segment-Anything (SAM) model is a 2D interactive segmentation model, or guided model. SAM requires user prompts to segment an image. These prompts tell the model where to segment. The inputs to the SAM model are a…
FeP-Fe3O4 nanospheres for electrocatalytic N2 reduction to NH3 under ambient conditions
FeP-Fe3O4 nanospheres for electrocatalytic N2 reduction to NH3 under ambient conditions Electrocatalytic nitrogen reduction reaction (eNRR) under ambient conditions is deemed a promising alternative for NH3 synthesis. In this paper, FeP-Fe3O4 nanocomposite electrocatalyst was prepared by phosphating annealing using Fe2O3 as precursor, and the resulting FeP-Fe3O4 exhibited excellent N2-to-NH3-producing activity over a wide potential window.
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