Kejie Chen
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View article: Synthesis, antibacterial activity, and mechanistic characterization of novel 9-substituted berberine derivatives
Synthesis, antibacterial activity, and mechanistic characterization of novel 9-substituted berberine derivatives Open
A series of 9-substituted berberine derivatives were synthesized. B12 showed potent antibacterial activity against MRSA and P. aeruginosa , and significantly treated MRSA-infected wounds and bacterial pneumonia-induced ALI in mice.
View article: Interpretable machine learning incorporating major lithology for regional landslide warning in northern and eastern Guangdong
Interpretable machine learning incorporating major lithology for regional landslide warning in northern and eastern Guangdong Open
Landslides pose major risks in northern and eastern Guangdong, China, due to complex geology and heavy rainfall. Traditional models often oversimplify lithology and lack interpretability. This study develops a lithology-specific random for…
View article: Digital trade and corporate ESG performance— evidence from China
Digital trade and corporate ESG performance— evidence from China Open
How to improve corporate ESG performance is a hot topic of interest in both academia and practice. Against the backdrop of China's strategy for “high-level opening-up,” digital trade adds new dimensions and significance to this issue.This …
View article: Ultra-shallow Earthquakes Caused by Interbed Slip in Global Fold-Thrust Belts
Ultra-shallow Earthquakes Caused by Interbed Slip in Global Fold-Thrust Belts Open
Earthquakes are super shallow when their rupture on the upper crust that of the depth no more than 10 km. In the canonical view, geoscience community often attributes the supper shallow earthquake to the relative crustal motions along the …
View article: Rainfall Threshold Analysis for Various Geological Formations in Northeastern Guangdong, China: A Physically-Based Approach
Rainfall Threshold Analysis for Various Geological Formations in Northeastern Guangdong, China: A Physically-Based Approach Open
Landslide occurrences are influenced by various spatial and climatic factors, some predictable to an extent while others remain uncertain. Physically-based models like TRIGRS are crucial for assessing slope stability and rainfall threshold…
View article: Rapid Identification of Rupture Depth in Subduction Zone Earthquakes Based on High-Rate GNSS Using Deep Learning
Rapid Identification of Rupture Depth in Subduction Zone Earthquakes Based on High-Rate GNSS Using Deep Learning Open
Destructive tsunamis are often triggered by shallow coseismic ruptures in subduction zones, making the rapid determination of rupture depth crucial for issuing timely tsunami warnings and mitigating associated hazards. To address this chal…
View article: MetaRuleGPT: Recursive Numerical Reasoning of Language Models Trained with Simple Rules
MetaRuleGPT: Recursive Numerical Reasoning of Language Models Trained with Simple Rules Open
Recent studies have highlighted the limitations of large language models in mathematical reasoning, particularly their inability to capture the underlying logic. Inspired by meta-learning, we propose that models should acquire not only tas…
View article: Supplemental Material: Buckling contributes to both coseismic uplift and long-term fold growth in active fold-thrust belts
Supplemental Material: Buckling contributes to both coseismic uplift and long-term fold growth in active fold-thrust belts Open
Methods of data processing and inversion, Tables S1–S3, and Figures S1–S12.
View article: Supplemental Material: Buckling contributes to both coseismic uplift and long-term fold growth in active fold-thrust belts
Supplemental Material: Buckling contributes to both coseismic uplift and long-term fold growth in active fold-thrust belts Open
Methods of data processing and inversion, Tables S1–S3, and Figures S1–S12.
View article: The 2023 Mw 6.8 Morocco Earthquake: A Lower Crust Event Triggered by Mantle Upwelling?
The 2023 Mw 6.8 Morocco Earthquake: A Lower Crust Event Triggered by Mantle Upwelling? Open
A M6.8 earthquake struck the High Atlas Mountains in Morocco on 8 September 2023, ending a 63‐year seismic silence. We herein attempt to clarify the seismogenic fault and explore the underlying mechanism for this seismic event based on mul…
View article: Simultaneous magnitude and slip distribution characterization from high-rate GNSS using deep learning: case studies of the 2021 <i>M</i>w 7.4 Maduo and 2023 Turkey doublet events
Simultaneous magnitude and slip distribution characterization from high-rate GNSS using deep learning: case studies of the 2021 <i>M</i>w 7.4 Maduo and 2023 Turkey doublet events Open
SUMMARY Rapid and accurate characterization of earthquake sources is crucial for mitigating seismic hazards. In this study, based on 18 000 scenario ruptures ranging from Mw 6.4 to Mw 8.3 and corresponding synthetic high-rate Global Naviga…
View article: Development of a Bayesian non-planar fault geometry inversion using geodetic seismic cycle deformation data
Development of a Bayesian non-planar fault geometry inversion using geodetic seismic cycle deformation data Open
The geometry of faults regulates the spatial patterns of interseismic, coseismic, and post-seismic surface deformation. Geodetic techniques can measure these deformation patterns during a seismic cycle and are expected to constrain the geo…
View article: Characterizing extreme drought and wetness in Guangdong, China using global navigation satellite system and precipitation data
Characterizing extreme drought and wetness in Guangdong, China using global navigation satellite system and precipitation data Open
As global temperature rises, the frequency of extreme climate events, e.g., severe droughts and floods, has increased significantly and caused severe damage over the past years. To this regard, precipitation efficiency, a crucial meteorolo…
View article: Characterizing hydrological droughts within three watersheds in Yunnan, China from GNSS-inferred terrestrial water storage changes constrained by GRACE data
Characterizing hydrological droughts within three watersheds in Yunnan, China from GNSS-inferred terrestrial water storage changes constrained by GRACE data Open
SUMMARY The spatiotemporal evolution of drought is often modulated by climate and watershed characteristics. While numerous drought studies using space geodesy have been conducted in Yunnan, the scarcity and limited sensitivity of observat…
View article: Potential Contributors to CME and Optimal Noise Model Analysis in the Chinese Region Based on Different HYDL Models
Potential Contributors to CME and Optimal Noise Model Analysis in the Chinese Region Based on Different HYDL Models Open
Optimizing the noise model for global navigation satellite system (GNSS) vertical time series is vital to obtain reliable uplift (or subsidence) deformation velocity fields and assess the associated uncertainties. In this study, by thoroug…
View article: Bayesian Inversion of Finite‐Fault Earthquake Slip Model Using Geodetic Data, Solving for Non‐Planar Fault Geometry, Variable Slip, and Data Weighting
Bayesian Inversion of Finite‐Fault Earthquake Slip Model Using Geodetic Data, Solving for Non‐Planar Fault Geometry, Variable Slip, and Data Weighting Open
A precise finite‐fault model including the fault geometry and slip distribution is essential to understand the physics of an earthquake. However, the conventional linear inversion of geodetic data for a finite‐fault model cannot fully reso…
View article: Tsunami genesis of strike-slip earthquakes revealed in the 2018 Indonesian Palu event
Tsunami genesis of strike-slip earthquakes revealed in the 2018 Indonesian Palu event Open
The devastating tsunami after the 2018 Indonesian Sulawesi-Palu strike-slip earthquake was a surprise because strike-slip faulting is a known phenomenon of primarily lateral movement of land, while tsunamis are believed to be caused by ver…
View article: A Comprehensive Analysis of Environmental Loading Effects on Vertical GPS Time Series in Yunnan, Southwest China
A Comprehensive Analysis of Environmental Loading Effects on Vertical GPS Time Series in Yunnan, Southwest China Open
Seasonal variations in the vertical Global Positioning System (GPS) time series are mainly caused by environmental loading, e.g., hydrological loading (HYDL), atmospheric loading (ATML), and nontidal oceanic loading (NTOL), which can be sy…
View article: Using short-interval landslide inventories to build short-term and overall spatial prediction models for earthquake-triggered landslides based on machine learning for the 2018 Lombok earthquake sequence
Using short-interval landslide inventories to build short-term and overall spatial prediction models for earthquake-triggered landslides based on machine learning for the 2018 Lombok earthquake sequence Open
During an earthquake sequence, there are often multiple recurring landslides. Understanding the spatial distribution of the landslides triggered by the first earthquake can help us predict the landslide susceptibility for subsequent shakes…
View article: Rapid Tsunami Potential Assessment Using GNSS Ionospheric Disturbance: Implications from Three Megathrusts
Rapid Tsunami Potential Assessment Using GNSS Ionospheric Disturbance: Implications from Three Megathrusts Open
The current tsunami early warning systems always issue alarms once large undersea earthquakes are detected, inevitably resulting in false warnings since there are no deterministic scaling relations between earthquake size and tsunami poten…
View article: The 2021 <i>M</i><sub><i>w</i></sub> 7.4 Madoi Earthquake: An Archetype Bilateral Slip‐Pulse Rupture Arrested at a Splay Fault
The 2021 <i>M</i><sub><i>w</i></sub> 7.4 Madoi Earthquake: An Archetype Bilateral Slip‐Pulse Rupture Arrested at a Splay Fault Open
We combine measurements of ground deformation from Synthetic Aperture Radar images, high‐rate Global Navigation Satellite System and tele‐seismic waveforms to study the rupture kinematics of the Madoi Earthquake, which occurred in eastern …
View article: Microbial transport and dispersion in heterogeneous flows created by pillar arrays
Microbial transport and dispersion in heterogeneous flows created by pillar arrays Open
Swimming microbes, such as bacteria and algae, live in diverse habitats including soil, ocean and human body which are characterized by structural boundaries and heterogeneous fluid flows. Although much progress has been made in understand…