Publications by authors named "Lei Ren"

Purpose: The purpose of this study was to use the advanced technique of Network Intervention Analysis (NIA) to investigate the trajectory of symptom change associated with the effects of self-control training on youth university students' chronic ego depletion aftereffects.

Methods: The nine nodes of chronic ego depletion aftereffects and integrated self-control training were taken as nodes in the network and analyzed using NIA. Networks were computed at the baseline, at the end of treatment, at 1-, 3-, 6-, 9- and 12-month follow up.

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Firefighters have a greater prevalence of posttraumatic stress disorder (PTSD) because of their greater risk of exposure to traumatic events. Network analysis offers novel perspectives for understanding PTSD. However, most previous network analysis studies were cross-sectional and failed to reveal the dynamics and causality of PTSD symptoms.

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  • The novel "shooting nail" fastening method enhances the reinforcement of concrete structures by using bonding steel plates, leading to improved construction efficiency over traditional chemical anchor bolts.
  • Experimental studies and finite element analysis (FEA) were conducted to investigate the interfacial shear capacity when combining adhesive bonding with shooting nail fastening, considering various factors like concrete strength and nail spacing.
  • A new theoretical calculation approach for interfacial shear capacity was developed, integrating the effects of both adhesive bonding and shooting nail fastening to better understand their collaborative contributions.
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  • The construction of photovoltaic power plants (PVPPs) plays a dual role in combating climate change while also impacting terrestrial ecosystems, making it crucial to study these ecological effects.
  • A meta-analysis of 42 studies revealed significant changes in environmental factors, including a major reduction in wind speed and soil temperature, alongside increases in soil moisture and productivity.
  • The research identified key factors influencing these ecological changes, such as air temperature, humidity, and geographical location, and emphasizes the importance of understanding these effects for developing effective 'photovoltaic + ecological' management strategies.
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Background: Despite the growing application of the Dual-factor model of mental health (DFM), there is a paucity of research on military personnel. Additionally, existing cross-sectional studies indicate that resilience and perceived social support are associated with military mental health, but the lack of cross-lagged studies precludes researchers from making causal interpretations. This study aimed to explore the longitudinal relationship between resilience, perceived social support, negative dimension of mental health (depressive symptom), and positive dimension (life satisfaction) among military personnel using cross-lagged analysis.

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Despite advancements in breast cancer treatment, therapeutic resistance, and tumor recurrence continue to pose formidable challenges. Therefore, a deep knowledge of the intricate interplay between the tumor and the immune system is necessary. In the pursuit of combating breast cancer, the awakening of antitumor immunity has been proposed as a compelling avenue.

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Superoxide anion (O) is a highly reactive oxygen species (ROS) within tumor cells, and its abnormal concentrations can lead to various diseases such as cancer, inflammation, and premature aging disorders. Here, we obtained a series of bioluminescence resonance energy transfer (BRET) systems that can be used for sensitive and specific detection of O by varying the type and reaction time of quantum dots (QDs) and combining them with different concentrations of recombinant aequorin. Among them, the recombinant aequorin-conjugated CdTe/CdSe QDs had the highest conjugation efficiency as the Aeq-QD BRET sensor, which has a remarkable energy transfer efficiency of 35.

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Studies focusing on the kinematics of the ankle joint complex (AJC) have long been a key area of interest for biomechanists and orthopedic surgeons. However, it is not clear how additional weight-bearing walking affects the motion of the AJC compared to walking with a normal body weight (BW) or what adjustments the AJC would instinctively make to accommodate the additional load. To address this gap in knowledge, advanced dynamic biplane radiography combined with a model-based 2D-3D tracking technique was employed to elucidate the inherent kinematics of the AJC during the stance phase while walking with and without additional weight-bearing.

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  • Pineapple crops in Guangxi Province, China, suffered from a disease affecting heart leaves, with a disease incidence of 20% to 30% across 10,500 plants, leading to the collapse and death of approximately 800 plants.
  • Diseased plants exhibited water-soaked lesions and soft rot, prompting researchers to disinfect and analyze the infected tissue, which resulted in the recovery of mycelium colonies consistent with the description of Phytophthora.
  • Molecular identification techniques, including PCR amplification of specific DNA regions, confirmed the presence of two strains of Phytophthora, with sequences deposited in GenBank for further reference.
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Transition metal oxides (TMOs) have been identified as the most promising anode materials for lithium-ion batteries (LIBs). However, these materials tend to undergo volumetric expansion during battery operation, which disrupts their internal structure and ultimately leads to a degradation of battery performance. CrO/N-doped porous carbon (CrO@NC) composites were successfully synthesized through high-temperature calcination using CrO-containing hydrogels as precursors.

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  • - There is a need for better tools to help manage oligometastatic castration-sensitive prostate cancer (omCSPC), as highlighted in a retrospective study examining the effectiveness of the ArteraAI Prostate Test.
  • - This study involved 222 men and measured outcomes like overall survival (OS) and time until the cancer becomes castration-resistant, finding a high MMAI score linked to worse OS and shorter time to resistance.
  • - Additionally, the study indicated that patients with high MMAI scores who received metastasis-directed therapy (MDT) had improved metastasis-free survival compared to those with low scores, pointing to the potential of the MMAI biomarker for guiding treatment decisions.
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  • * Research shows that OsPP2C49 negatively affects ABA sensitivity but positively influences rice grain yield, with overexpression leading to increased yield and knockout resulting in decreased yield.
  • * The study suggests that OsPP2C49 regulates ABA responses partly by dephosphorylating stress-activated protein kinases (OsSAPKs), which have effects that contrast with those of OsPP2C49 regarding ABA responsiveness and yield.
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Biodegradation is recognized as the main route for the decomposition of phthalic acid esters (PAEs) in nature, but the fate of PAEs in marine ecosystems is not well understood. Herein, a novel marine bacterium, Gordonia sihwaniensis RL-BY03, was identified and analyzed for its ability to degrade PAEs. Furthermore, the metabolic mechanism of di-(2-ethylhexyl) phthalate (DEHP) was examined through UPLC-MS/MS and genomic analysis.

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Difficult-to-cut titanium matrix composites (TiB+TiC)/Ti6Al4V have extensive application prospects in the fields of biomedical and aerospace metal microcomponents due to their excellent mechanical properties. Jet electrochemical micromilling (JEMM) technology is an ideal method for machining microstructures that leverages the principle of electrochemical anodic dissolution. However, the matrix Ti6Al4V is susceptible to passivation during electrochemical milling, and the inclusion of high-strength TiB whiskers and TiC particles as reinforcing phases further increases the machining difficulty of (TiB+TiC)/Ti6Al4V.

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Background/objective: This study examines the interplay between problematic internet gaming (PIG) and depressive symptoms among university students, specifically anhedonia and depressed mood. Prior studies lacked distinction between these symptoms and had limited follow-ups.

Method: The three-wave longitudinal study analyzed data from 1,720 university students (with an average age of 20 years and 49 % being female) using a random intercept cross-lagged panel model, which distinguished between-person and within-person effects.

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  • Dysphagia, a common issue after a stroke, increases health risks, and recent studies suggest acupuncture may be an effective therapy for Post-Stroke Dysphagia (PSD) using neuroimaging to explore its effects on brain function.
  • A randomized controlled trial with 40 PSD patients will compare Real Acupuncture and Sham Acupuncture to assess treatment efficacy and brain connectivity changes via resting-state fMRI and Diffusion Tensor Imaging.
  • The trial aims to provide insights into the effectiveness of acupuncture for PSD and understand the underlying neural mechanisms, potentially informing future stroke rehabilitation strategies.
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  • Photovoltaic development is vital for addressing energy crises and climate change but poses ecological challenges, necessitating a system to assess its environmental impacts.
  • This study uses the DPSIR framework to evaluate the ecological effects of the Qinghai Gonghe Photovoltaic Park in China across different areas: on-site, transitional, and off-site.
  • Results show that on-site areas had better ecological conditions (rated "general"), while transitional and off-site areas were rated "poor," suggesting the need for improvements in those regions while indicating positive ecological effects overall in desert habitats.
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Expressive suppression is an abnormal emotion regulation strategy, and its relationship with rumination traits is unclear. In this study with 395 participants in China (33.9% female, Mean age = 21.

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Industrial multivariate time series (MTS) is a critical view of the industrial field for people to understand the state of machines. However, due to data collection difficulty and privacy concerns, available data for building industrial intelligence and industrial large models is far from sufficient. Therefore, industrial time series data generation is of great importance.

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Objective: To evaluate the efficacy of pulmonary rehabilitation in the outcomes of patients with chronic obstructive pulmonary disease-obstructive sleep apnoea overlap syndrome patients who used positive airway pressure.

Design: Prospective randomized controlled single- blind trial.

Patients: A total of 79 patients with chronic obstructive pulmonary disease-obstructive sleep apnoea overlap syndrome were randomly assigned to either the intervention group (n = 40) or control group (n = 39).

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Chronic ankle instability (CAI) carries a high risk of progression to talar osteochondral lesions and post-traumatic osteoarthritis. It has been clinically hypothesized the progression is associated with abnormal joint motion and ligament elongation, but there is a lack of scientific evidence. A total of 12 patients with CAI were assessed during level walking with the use of dynamic biplane radiography (DBR) which can reproduce the positions of each bone.

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In tactile sensing, decoding the journey from afferent tactile signals to efferent motor commands is a significant challenge primarily due to the difficulty in capturing population-level afferent nerve signals during active touch. This study integrates a finite element hand model with a neural dynamic model by using microneurography data to predict neural responses based on contact biomechanics and membrane transduction dynamics. This research focuses specifically on tactile sensation and its direct translation into motor actions.

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Purpose: This study investigated imaging biomarkers derived from PSMA-PET acquired pre- and post-metastasis-directed therapy (MDT) to predict 2-year metastasis-free survival (MFS), which provides valuable early response assessment to improve patient outcomes.

Materials/methods: An international cohort of 117 oligometastatic castration-sensitive prostate cancer (omCSPC) patients, comprising 34 from John Hopkins Hospital (JHH) and 83 from Baskent University (BU), were treated with stereotactic ablative radiation therapy (SABR) MDT with both pre- and post-MDT PSMA-PET/CT scans acquired. PET radiomic features were analyzed from a CT-PET fusion defined gross tumor volume ((GTV) or zone 1), and a 5 mm expansion ring area outside the GTV (zone 2).

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To investigate the diagnostic value of hepcidin for sepsis diagnosis. The relevant literature on hepcidin for sepsis diagnosis published up to October 20, 2023, was systematically searched in the Web of Science, PubMed, Embase, and China Knowledge Network databases. Two researchers screened the literature and extracted relevant data according to the inclusion and exclusion criteria.

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Cochlear implants can directly activate the auditory system's primary sensory neurons, the spiral ganglion neurons (SGNs), via circumvention of defective cochlear hair cells. This bypass restores auditory input to the brainstem. SGN loss etiologies are complex, with limited mammalian regeneration.

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