Temporal Changes in Alzheimer's Disease-Related Biomarkers in the CSF of Cognitively Normal Subjects at Different Ages: The Chongqing Ageing and Dementia Study.

Revealing the temporal evolution of cerebrospinal fluid (CSF) biomarkers during aging is critical to understanding disease pathogenesis and developing early diagnoses and interventions for Alzheimer's disease (AD). CSF was obtained from 549 cognitively normal subjects between 18 and 93 years of age. 12 AD-related biomarkers were evaluated, including amyloid β (Aβ42, Aβ40, Aβ42/Aβ40 ratio), hyperphosphorylated tau (P-tau), neuronal injury/degeneration (T-tau, NFL, NSE, H-FABP, VILIP-1), neuroinflammation biomarkers (YKL-40, TREM2), and α-synuclein (α-synuclein).

Boosting Thermoelectric Performance of Wet-Spun PEDOT:PSS-Based Organic/Inorganic Composite Fibers via a Dual-Interfacial Engineering Approach.

Organic/inorganic thermoelectric (TE) composite fibers are promising for wearable electronics due to their flexibility and energy conversion capabilities, yet their performance remains limited. Here, we have successfully developed novel dual-interfacial structured poly(3,4-ethylene dioxythiophene):poly(styrene sulfonate)/single-walled carbon nanotube@ polyaniline (PEDOT:PSS/SWCNT@PANI) TE composite fibers via wet-spinning PANI was introduced between SWCNTs and PEDOT:PSS as an interlayer, which not only improved the dispersibility of SWCNTs in aqueous PEDOT:PSS but also facilitated the formation of numerous highly uniform dual-interfaces at PEDOT:PSS/PANI and PANI/SWCNT contacts.Therefore, the PEDOT:PSS/SWCNT@PANI composite fibers exhibited a high degree of structural alignment and more efficient energy filtering effect.

Carbon Nanocoils-Assisted Formation of Tunable Pore Graphene Aerogels for Lightweight Broadband Microwave Absorption, Thermal Insulation, and Antifreeze Devices.

The rational design of the aerogel pore structure facilitates the maximum excitation of the materials physicochemical properties, which enables the modulation of their electromagnetic performance. However, the controllable adjustment of the aerogel pore structure remains a significant challenge. Here, the freeze-thawing process and thermal annealing treatment are introduced to prepare reduced graphene oxide (rGO)/iron (Fe)/carbon nanocoil (CNC) aerogels.

Multifunctional Carbon Foam with Nanoscale Chiral Magnetic Heterostructures for Broadband Microwave Absorption in Low Frequency.

The construction of carbon nanocoil (CNC)-based chiral-dielectric-magnetic trinity composites is considered as a promising approach to achieve excellent low-frequency microwave absorption. However, it is still challenging to further enhance the low frequency microwave absorption and elucidate the related loss mechanisms. Herein, the chiral CNCs are first synthesized on a three-dimensional (3D) carbon foam and then combined with the FeNi/NiFeO nanoparticles to form a novel chiral-dielectric-magnetic trinity foam.

Decreased serum PF4 levels correlate with cognitive decline and CSF biomarkers in Alzheimer's disease in a Chinese cohort.

Background: Platelet factor 4 (PF4), a chemotactic factor secreted from the α-granules of platelets, has recently been proved to mitigate neuroinflammation and improve aging-related cognition decline, which may be involved in Alzheimer's disease (AD).

Objective: This study aims to investigate the alterations of serum PF4 levels in AD, the correlation between serum PF4 and β-amyloid (Aβ) and tau levels in cerebrospinal fluid (CSF), and the potential diagnostic utility of PF4 in AD.

Methods: A cross-sectional study was conducted involving 38 amyloid-positive AD patients and 50 cognitively normal controls.

Microbiome characterization of patients with Crohn disease and the use of fecal microbiota transplantation: A review.

Inflammatory bowel disease is a chronic inflammatory condition predominantly affecting the intestines, encompassing both ulcerative colitis and Crohn disease (CD). As one of the most common gastrointestinal disorders, CD's pathogenesis is closely linked with the intestinal microbiota. Recently, fecal microbiota transplantation (FMT) has gained attention as a potential treatment for CD, with the effective reestablishment of intestinal microecology considered a crucial mechanism of FMT therapy.

Design Principles for Gradient Porous Carbon on Aqueous Zinc-Ion Hybrid Capacitors: A Combined Molecular Dynamic and Machine Learning Study.

Gradient porous carbon has become a potential electrode material for energy storage devices, including the aqueous zinc-ion hybrid capacitor (ZIHC). Compared with the sufficient studies on the fabrication of ZIHCs with high electrochemical performance, there is still lack of in-depth understanding of the underlying mechanisms of gradient porous structure for energy storage, especially the synergistic effect of ultramicropores (<1 nm) and micropores (1-2 nm). Here, we report a design principle for the gradient porous carbon structure used for ZIHC based on the data-mining machine learning (ML) method.

Prevalence and risk factors of long COVID-19 persisting for 2 years in Hainan Province: a population-based prospective study.

Coronavirus disease 2019 (COVID-19) can lead to persistent symptoms, sequelae, and other medical complications that may last for weeks or months after recovery. The aim of the study is to assess the prevalence and risk factors of long COVID-19 persisting for 2 years in Hainan Province, China, to aid in its recognition, prevention, and treatment. Between July and August 2022, 960 individuals with confirmed SARS-CoV-2 infection in Hainan, China, were recruited.

Veno-venous extracorporeal membrane oxygenation as a bridge in central airway obstruction: experience from a high-volume center.

Background: Perioperative airway management and oxygenation maintenance during central airway obstruction (CAO) treatment pose great challenges. While veno-venous extracorporeal membrane oxygenation (V-V ECMO) shows promise as a bridge therapy, optimal implementation and management strategies remain lacking. We present our experience with V-V ECMO in CAO management from a high-volume center.

[Research progress on B vitamins in the treatment of sepsis].

Sepsis is a prevalent form of acute and critical illness encountered in intensive care unit (ICU), characterized by a high mortality and cognitive impairments among survivors. The pathogenesis of sepsis primarily involves immune dysfunction and excessive oxidative stress. Consequently, immune modulation, along with anti-inflammatory and antioxidant strategies, has emerged as a focal point in the treatment of sepsis.

Different fungal signatures in ALD and MAFLD.

Objective: This study investigates the differential impact of fecal fungal microbiota on the pathogenesis of alcohol-associated liver disease (ALD) and metabolic-associated fatty liver disease (MAFLD). We aim to delineate distinct microbial patterns across various stages of each disease.

Methods: We conducted fungal internal transcribed spacer 2 (ITS2) sequencing analysis on fecal samples from 48 ALD patients, 55 MAFLD patients, and 64 healthy controls (HCs).

Discovery and synthesis of novel phenoxyacetate ester Schiff base α-glucosidase inhibitors.

A phenoxyacetate ester Schiff base lead compound 4a (ZINC20073984) was firstly discovered through molecular docking screening and molecular dynamics (MD) simulation, which could be used as an α-glucosidase (PDB: 3A4A) inhibitor. Then a series of α-glucosidase inhibitors 4b-4r with novel structures were designed and synthesized with the lead ZINC20073984 as a template. The results of in vitro α-glucosidase inhibitory activity show that the synthesized phenoxyacetate ester Schiff base compounds 4e, 4o-4r (IC values range from 5.

Long-term health related quality of life in adult extracorporeal membrane oxygenation survivors: a single-centre, cross-sectional study.

Background: This study aimed to evaluate the health-related quality of life of adult survivors of extracorporeal membrane oxygenation and identify the factors influencing their long-term outcomes. The findings are intended to provide a reference for optimizing post-extracorporeal membrane oxygenation care.

Methods: A cross-sectional survey was conducted with 106 adult extracorporeal membrane oxygenation survivors.

Construction of Chiral-Magnetic-Dielectric Trinity Structures with Different Magnetic Systems for Efficient Low-Frequency Microwave Absorption.

The fabrication of carbon nanocoil (CNC)-based chiral-dielectric-magnetic trinity composites holds great significance in low-frequency microwave absorption fields. However, it is not clear that how the different magnetic systems affect the magnetic and frequency responses of the composites. Herein, four types of magnetic metals, FeCo, CoNi, FeNi, and FeCoNi, are selected to be combined with the chiral templates respectively, resulting in four types of chiral-dielectric-magnetic composites with similar morphology.

Dual-functional application of CaTaO:Bi/Eu phosphors in multicolor tunable optical thermometry and WLED.

A series of Bi/Eu co-doped CaTaO (CTO:Bi/Eu) phosphors were prepared by high-temperature solid-state method for dual-emission center optical thermometers and white light-emitting diode (WLED) device. By modulating the doping ratio of Bi/Eu and utilizing the energy transfer from Bi to Eu, the tunable color emission ranging from green to reddish-orange was realized. The designed CTO:0.

Prospective cohort study evaluating efficacy and safety of efgartigimod in Chinese generalized myasthenia gravis patients.

Background: Despite the efficacy of efgartigimod demonstrated in ADAPT phase 3 trial, data specifically derived from Chinese participants are not available. Therefore, we aimed to evaluate the efficacy and safety of efgartigimod in Chinese patients with generalized myasthenia gravis (gMG).

Methods: This is a prospective cohort study conducted in 8 hospitals across China.

Sarcopenia is associated with short- and long-term mortality in patients with acute-on-chronic liver failure.

Background: While sarcopenia is recognized as a predictor of mortality in cirrhosis, its influence on acute-on-chronic liver failure (ACLF) remains uncertain. Despite multiple studies examining the impact of sarcopenia on short-term mortality in patients with ACLF, the sample size of these studies was limited, and their outcomes were inconsistent. Therefore, this study aimed to explore the impact of sarcopenia on both short- and long-term mortality in patients with ACLF.

Construction and validation of a predictive model for the risk of contralateral patent processus vaginalis in children with unilateral inguinal hernia or hydrocele.

To develop a nomogram model for predicting contralateral patent processus vaginalis in children with unilateral inguinal hernia or hydrocele. A retrospective analysis was conducted on 259 children with unilateral inguinal hernia or hydrocele who underwent laparoscopic surgery at the Southern Hospital of Southern Medical University from January 2021 to December 2023. The patients were randomly divided into a training set (n = 207) and a validation set (n = 52) in an 8:2 ratio to analyze the characteristics of CPPV.

Multi-scale microstructural construction in ultralight graphene aerogels enables super elasticity and unprecedented durability for impact protection materials.

Ultralight graphene aerogels have gained extensive recognition in the impact protection field. However, attaining both elasticity and durability at low material density is challenging due to their intrinsic conflicts. Inspired by the mantis ootheca, we present a simultaneous improvement in the elasticity, durability, and density restrictions of ultralight graphene aerogels via constructing a multiscale honeycomb microstructure (MHM) within the graphene skeleton.

Zwitterionic cellulose nanofibers-based hydrogels with high toughness, ionic conductivity, and healable capability in cryogenic environments.

Extreme environmental conditions often lead to irreversible structural failure and functional degradation in hydrogels, limiting their service life and applicability. Achieving high toughness, self-healing, and ionic conductivity in cryogenic environments is vital to broaden their applications. Herein, we present a novel approach to simultaneously enhance the toughness, self-healing, and ionic conductivity of hydrogels, via inducing non-freezable water within the zwitterionic cellulose-based hydrogel skeleton.

Sensors on Internet of Things Systems for the Sustainable Development of Smart Cities: A Systematic Literature Review.

The Internet of Things (IoT) is a critical component of smart cities and a key contributor to the achievement of the United Nations Sustainable Development Goal (UNSDG) 11: Sustainable Cities and Communities. The IoT is an infrastructure that enables devices to communicate with each other over the Internet, providing critical components for smart cities, such as data collection, generation, processing, analysis, and application handling. IoT-based applications can promote sustainable urban development.