Publications by authors named "Luming Zhang"

Severe proteinuria in focal segmental glomerulosclerosis (FSGS) is closely associated with decreased adhesion, and subsequent loss, of podocytes. Yes-associated protein (YAP) is a key transcriptional coactivator that plays a significant role in maintaining cellular homeostasis. However, its role in podocyte adhesion and its specific mechanism in FSGS progression remain unclear.

View Article and Find Full Text PDF

Background: Sepsis-associated acute kidney injury (SA-AKI) is common and associated with poor outcomes in critically ill patients. Acetaminophen is often used as an antipyretic and analgesic drug, but the association of acetaminophen use with mortality and recovery of renal function in SA-AKI patients remain unclear. We aimed to investigate the association between acetaminophen use and outcomes in SA-AKI patients.

View Article and Find Full Text PDF

Background: Sepsis is a common and severe disease with a high mortality rate in intensive care unit (ICU). The hemoglobin (HGB) level is a key parameter for oxygen supply in sepsis. Although HGB is associated with the progression of inflammation in sepsis patients, its role as a marker following sepsis treatment remains unclear.

View Article and Find Full Text PDF

Aquifer confinement represents a pivotal property that significantly influences the vulnerability and contamination risk of groundwater resources. Several methods have been proposed for determining aquifer confinement by analyzing the response of well water level to Earth tides and atmospheric tides. In this study, we evaluated the performance of the existing single methods and put forward an optimized comprehensive approach.

View Article and Find Full Text PDF

In this work, we report a series of noble metal (Ag, Au, Pt, etc.) sulfides that act as co-catalysts anchoring on CdS nanorods (NRs) obtained via a cation exchange strategy to promote photocatalytic hydrogen evolution. CdS NRs are first generated via a hydrothermal routine, noble metal sulfides are then in-situ grown on CdS NRs by a cation exchange method.

View Article and Find Full Text PDF
Article Synopsis
  • The study aimed to assess how N-acetylserotonin (NAS) helps protect the retina from damage caused by ischemia-reperfusion injury (RIR) in rats, focusing on specific signaling pathways.
  • Researchers used a rat model, dividing the rats into different groups to compare the effects of NAS treatment against RIR, and various techniques were employed to measure cell damage and inflammatory responses.
  • Results showed that NAS reduced retinal swelling and increased the survival of retinal ganglion cells, while also decreasing certain inflammatory markers and signaling pathway activations, suggesting its potential as a therapeutic option for retinal conditions.
View Article and Find Full Text PDF

Adopting banana peel as a raw material, the adsorption properties of banana peel hydrothermal carbon modified with a KOH solution for lead ions in aqueous solution were studied. The surface structure and functional groups of the modified hydrothermal carbon were analyzed by means of X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier-transform infrared (FT-IR) spectroscopy, the Brunner-Emmet-Teller (BET) method, element analysis, and Raman spectroscopy. The results showed that an adsorption capacity of 42.

View Article and Find Full Text PDF

There are hundreds of high- and low-altitude earth observation satellites that asynchronously capture massive-scale aerial photographs every day. Generally, high-altitude satellites take low-resolution (LR) aerial pictures, each covering a considerably large area. In contrast, low-altitude satellites capture high-resolution (HR) aerial photos, each depicting a relatively small area.

View Article and Find Full Text PDF

Introduction: The objective of this study was to investigate the impact of N-acetylserotonin (NAS) on the autophagy of retinal cells in rats with retinal ischemia-reperfusion injury (RIRI) and to explore the mechanisms by which NAS administration can alleviate RIRI through the tropomyosin-related kinase receptor B (TrkB)/protein kinase B (Akt)/nuclear factor erythroid-derived factor 2-related factor (Nrf2) signaling pathway.

Methods: Healthy adult male rats were randomly assigned to four groups: sham, RIRI, RIRI+NAS, and RIRI+NAS+ANA-12. The RIRI group was induced by elevating intraocular pressure, and changes in retinal structure and edema were assessed using H&E staining.

View Article and Find Full Text PDF

The line scanning hyperspectral imaging system (LS-HIS), which relies on a mechanical slit or spatial light modulation device for single channel spatial scanning, is widely used in various fields such as biomedical imaging and remote sensing. However, in scenes that require low light illumination, a decrease in luminous flux will increase exposure time, leading to a significant decrease in scanning efficiency and signal-to-noise ratio (SNR). To address this issue, we present a flexible column coded scanning aperture hyperspectral imaging system (CCSA-HIS) using a spatial light modulator digital micromirror device (DMD).

View Article and Find Full Text PDF

Objective: To prospectively assess whether air pollution, including PM, PM, and NOx, is associated with the risk of all-cause dementia, Alzheimer's disease (AD), and vascular dementia, and to investigate the potential relationship between air pollution and genetic susceptibility in the development of AD.

Methods And Results: Our study included 437,932 participants from the UK Biobank with a median follow-up period of over 10 years. Using a Cox proportional hazards model, we found that participants exposed to PM levels of ≥10 μg/m had a higher risk of developing all-cause dementia (HR = 1.

View Article and Find Full Text PDF

(1) Background: Microfluidic chips have found extensive applications in multiple fields due to their excellent analytical performance. As an important platform for micro-mixing, the performance of micromixers has a significant impact on analysis accuracy and rate. However, existing micromixers with high mixing efficiency are accompanied by high pressure drop, which is not conducive to the integration of micro-reaction systems; (2) Methods: This paper proposed a novel "Tai Chi"-shaped planar passive micromixer with high efficiency and low pressure drop.

View Article and Find Full Text PDF

Selective serotonin reuptake inhibitors (SSRIs) are the most commonly prescribed drugs for mental disorders in critically ill patients. We performed a retrospective cohort study to investigate the association between pre-ICU use of SSRIs and mortality in critically ill adults with mental disorders. We identified critically ill adults with mental disorders based on the Medical Information Mart in Intensive Care-IV database.

View Article and Find Full Text PDF

Background: Previous studies on the association between the timing of corticosteroid administration and mortality in septic shock focused only on short-term mortality and produced conflicting results. We performed a retrospective review of a large administrative database of intensive care unit (ICU) patients to evaluate the association between the timing of hydrocortisone initiation and short- and long-term mortality in septic shock. We hypothesized that a longer duration between the first vasopressor use for sepsis and steroid initiation was associated with increased mortality.

View Article and Find Full Text PDF

Background: Septic shock is a leading cause of death in intensive care units (ICUs), with short-term mortality rates of 35-40%. Vasopressin (AVP) is a second-line vasoactive agent for septic shock, and recent studies suggest that early AVP use can be beneficial. However, differences between early initiation of AVP combined with norepinephrine (NE) and nonearly AVP with NE are unclear.

View Article and Find Full Text PDF

Background: Spinal fracture is a common traumatic condition in orthopaedics, accounting for 5%-6% of total body fractures, and is a high-risk factor for venous thromboembolism (VTE), which seriously affects patient prognosis.

Aim: The aim of this study was to determine the impact of VTE prophylaxis on the prognosis of patients with spinal fractures in intensive care units (ICUs) and to provide a scientific basis for clinical treatment and nursing.

Design: A retrospective study of patients with spinal fractures from the multicenter eICU Collaborative Research Database.

View Article and Find Full Text PDF

Background: Phenylephrine (PE) and norepinephrine (NE) may be used to maintain adequate blood pressure and tissue perfusion in patients with septic shock, but the effect of NE combined with PE (NE-PE) on mortality remains unclear. We hypothesized that NE-PE would not inferior to NE alone for all-cause hospital mortality in patients with septic shock.

Methods: This single-center, retrospective cohort study included adult patients with septic shock.

View Article and Find Full Text PDF

Background: Numerous studies have investigated the mean arterial pressure in patients with sepsis, and many meaningful results have been obtained. However, few studies have measured the systolic blood pressure (SBP) multiple times and established trajectory models for patients with sepsis with different SBP trajectories.

Methods: Data from patients with sepsis were extracted from the Medical Information Mart for Intensive Care-III database for inclusion in a retrospective cohort study.

View Article and Find Full Text PDF

Background: Acute myocardial infarction (AMI) and cancer are diseases with high morbidity and mortality worldwide, bringing a serious economic burden, and they share some risk factors. The purpose of this study was to determine the effect of cancer on the all-cause in-hospital mortality of patients with AMI.

Methods: This multicenter retrospective study analyzed patients with AMI from the Medical Information Mart for Intensive Care IV (MIMIC-IV) database and eICU Collaborative Research Database (eICU-CRD) in the United States.

View Article and Find Full Text PDF

Hydrogen sulfide (HS) is an important signaling molecule in colorectal cancer (CRC). It is produced in the colon by the catalytic synthesis of the colonocytes' enzymatic systems and the release of intestinal microbes, and is oxidatively metabolized in the colonocytes' mitochondria. Both endogenous HS in colonic epithelial cells and exogenous HS in intestinal lumen contribute to the onset and progression of CRC.

View Article and Find Full Text PDF

Background: Acute respiratory distress syndrome (ARDS) is common in intensive care units with high mortality rate and mechanical ventilation (MV) is the most important related treatment. Early prediction of MV duration has benefit for patients risk stratification and care strategies support.

Objective: To develop an explainable model for predicting mechanical ventilation (MV) duration in patients with ARDS using the machine learning (ML) approach.

View Article and Find Full Text PDF

We report the water adsorption/desorption behavior and dynamic magnetic properties of the Pt-Cl chain complex [{[Pt(en) ][PtCl (en) ]} ][{(MnCl )Cl } ] ⋅ 12H O (1). Upon heating 1 in a vacuum, we obtained the dehydrated form [{[Pt(en) ][PtCl (en) ]} ][{(MnCl )Cl } ] (1DH). The framework structures of 1 and 1DH are identical, and both complexes underwent slow magnetic relaxation.

View Article and Find Full Text PDF

Sepsis is a clinical syndrome characterised by a severe disorder of pathophysiology caused by infection of pathogenic micro-organisms. The addition of antioxidant micronutrient therapies such as thiamine to sepsis treatment remains controversial. This study explored the effect of thiamine on the prognosis of patients with sepsis.

View Article and Find Full Text PDF

The machine-driven products processed by CNC machine tools are divided into multiple parts, which are often transmitted to unqualified processing crystals due to the error of the part's posture, thus affecting the projection effect. Aiming at handling this problem, we, in this work, propose a method for locating and correcting machine capabilities based on bicycle visual recognition. The robot obtains coordinates and offset points through the vision system.

View Article and Find Full Text PDF