Surface ligands significantly influence the optical properties and stability of metal nanoclusters. In this study, we synthesized [Pt1Ag31(S-Adm)16(DPPM)3(DPPMO)Cl3](SbF6)4 (Pt1Ag31-DPPMO). Compared to [Pt1Ag31(S-Adm)16(DPPM)3Cl3](SbF6)4 (Pt1Ag31), the introduction of secondary phosphine oxide ligand, DPPMO, results in Pt1Ag31-DPPMO exhibiting enhanced photoluminescent properties in both solution and solid states, as well as improved stability and electron-withdrawing ability.
View Article and Find Full Text PDFIntroduction: Anaesthesiologist medico-legal risk is well reported in the literature, however, there is little data regarding the medico-legal risk of family practice anaesthetists (FPAs) in Canada. We aimed to describe the expert criticisms from medico-legal cases involving family physicians providing care within the scope of anaesthesia.
Methods: Medico-legal cases involving FPAs providing anaesthesia-related care were identified from a national repository at the Canadian Medical Protective Association.
Even single atom manipulation can cause drastically changes in catalytic activity and selectivity, especially in atomic-level catalysts. However, it is challenging to accurately elucidate the influence of specific atom on performance due to the intertwined factors in catalysts. Atomically precise isostructural nanoclusters (NCs) can serve as ideal platforms to uncover the impact of individual atom on catalytic property.
View Article and Find Full Text PDFThis study investigates the synchronization of reaction-diffusion complex dynamical networks (CDNs) based on semi-Markov switching topology and an event-triggered protocol. The investigated model is rendered more practical via the introduction of a semi-Markov process for stochastic jump CDNs. Based on the internal dynamic variable history information, a dynamic-memory event-triggered strategy is proposed, wherein the primary novelty lies in its prior transmitted packets to enhance the control performance.
View Article and Find Full Text PDFActa Biochim Biophys Sin (Shanghai)
February 2025
The tumor suppressor p53, an indispensable nuclear transcription factor, plays a central role in orchestrating cellular responses when DNA damage occurs. In this study, we demonstrate that in the initial phases of DNA double-strand break (DSB) repair, p53 is rapidly recruited to sites of damage and the surrounding chromatin, where it enhances DSB repair efficiency. This enhancement occurs through the modulation of chromatin dynamics and the promotion of a more relaxed chromatin configuration, a process influenced by p53 in response to DSB-inducing factors such as etoposide, ultraviolet radiation, and nucleases.
View Article and Find Full Text PDFEvidence from megacity registry data regarding the independent association between ambient temperature and cardiovascular disease (CVD) mortality, after accounting for Particulate Matter 2.5 (PM), remains scarce. In this study, we collected 308,116 CVD mortality cases in Shanghai from 2015 to 2020.
View Article and Find Full Text PDFβ‑sitosterol (SIT) has anti‑inflammatory, anti‑tumor and anti‑fibrotic effects. However, the precise mechanisms underlying its efficacy in keloid treatment remain elusive. The present study aimed to elucidate the therapeutic effect of SIT on keloids.
View Article and Find Full Text PDFDue to its similarity in hydrophobic properties to perfluorooctanesulfonic acid (PFOS), 6:2 fluorotelomer sulfonic acid (6:2 FTSA) has emerged as a key substitute for PFOS. Its presence in aquatic environments, along with the coexistence of polyethylene terephthalate (PET), may impact the growth of aquatic plants and ecosystem stability. This study explored the changes in antioxidant defense, photosynthetic system, and metabolic responses of water hyacinths (Eichhornia crassipes) under individual and combined exposure conditions.
View Article and Find Full Text PDFMyasthenia gravis (MG) is a common autoimmune disorder that causes skeletal muscle weakness. Most patients presented with skeletal muscle weakness and endurance decline. Mitophagy refers to removing and interpreting aging or damaged mitochondria in cells.
View Article and Find Full Text PDFOral Surg Oral Med Oral Pathol Oral Radiol
December 2024
Objective: Temporomandibular joint disorders can significantly impact individuals' physical and mental health. Conservative treatments are often recommended in the initial stage of the treatment. This study aimed to evaluate the efficacy of occlusal splints compared with other conservative treatments.
View Article and Find Full Text PDFBackground: In-stent restenosis (ISR) is one of the most significant complications following percutaneous coronary intervention (PCI) in patients with coronary artery disease (CAD). Ferroptosis is a novel cell death mode characterized by iron overload and lipid peroxidation. However, the role of ferroptosis in vascular smooth muscle cells (VSMCs) regulating neointimal formation during restenosis remains unclear.
View Article and Find Full Text PDFThe development of minimally invasive and reliable electrode probes for neural signal recording is crucial for advancing neuroscience and treating major brain disorders. Flexible neural probes offer superior long-term recording capabilities over traditional rigid probes. This study introduces a parylene-based serpentine electrode probe for stable, long-term neural monitoring.
View Article and Find Full Text PDFWe present the first absorption spectrum of the unperturbed diatomic molecular ion FeH in any wavelength range. The cryogenic X-ray absorption spectrum at the L and L edge is consistent with an iron 3d occupation of 6.24e.
View Article and Find Full Text PDFRheumatoid arthritis (RA) is a chronic autoimmune inflammatory disease characterized by synovial inflammation, cartilage damage, and bone loss. Although effective treatments are currently lacking, early interventions hold promise for alleviating RA symptoms. Inorganic nitrates and vitamin C (VC) are essential bioactive substances abundant in fruits and vegetables.
View Article and Find Full Text PDFThe investigation of bonding interactions between superatoms continues to be a largely unexplored area of study. In this study, we present the synthesis and characterization of two F-type superatomic molecules [AuAg(CHNOS)(DPPB)] and [AuAg(CHNS)(DPPM)] ( and for short, respectively). The overall structures were confirmed via X-ray crystallography, revealing the horizontal expansion of the biicosahedral AuAg yielding [AuAg(CHNOS)(DPPB)] and vertical expansion of the biicosahedral AuAg yielding [AuAg(CHNS)(DPPM)].
View Article and Find Full Text PDFThis study investigated the dynamic changes in jasmine tea during the scenting process and explored the differences in the aroma characteristics of jasmine tea scented with single-petal jasmine "Bijian" and traditional double-petal jasmine "Shuangban." Twenty-one key volatile compounds were identified from jasmine tea by headspace solid-phase microextraction-gas chromatography-mass spectrometry. Compared with the intensely floral and sweet fragrance characteristic of jasmine tea scented with double-petal jasmine "Shuangban," the tea scented with single-petal jasmine "Bijian" exhibited a fresher aroma, which can be attributed to the accumulation of methyl benzoate.
View Article and Find Full Text PDFJ Obstet Gynaecol Res
December 2024
Objectives: We aimed to assess the effects of rooming-in kangaroo mother care (KMC) on the breastfeeding and behavioral status of full-term newborns.
Materials And Methods: Full-term newborns born from June to December 2021 were divided into Group A (n = 50) and Group B (n = 50) using a random number table. The rooming-in routine nursing intervention and KMC were given to Group A (n = 50) and Group B, respectively.
Citizens play a crucial role in attaining the United Nations 2030 sustainable development goals (SDGs). There is growing awareness of the importance of understanding citizen perspectives on environmental issues, in relation to developing and maintaining sustainable lifestyles, and in addressing perceived threats to protection and restoration of ecosystems and biodiversity. This analysis sought to understand people's attitudes towards environmental conservation, how they relate to perceived threats to the countryside, and to determine how attitudes and perceived threats vary demographically and between countries.
View Article and Find Full Text PDFIron is the most abundant transition metal in the interstellar medium (ISM), and is thought to be involved in a variety of astrochemical processes. Here, we present the infrared multiple photon dissociation (IRMPD) spectra of ArFeH and their deuterated isotopologues in the region of 2240-14 000 cm. The Fe-H overtone stretching mode in ArFeH and ArFeH is observed at 3636 ± 28 cm and 3659 ± 13 cm, respectively.
View Article and Find Full Text PDFPurpose: In the current clinical diagnostic process, the gold standard for lymph node metastasis (LNM) diagnosis is histopathological examination following surgical lymphadenectomy. Developing a non-invasive and preoperative method for predicting LNM is necessary and holds significant clinical importance.
Methods: We develop a ranking attention multiple instance learning (RA-MIL) model that integrates convolutional neural networks (CNNs) and ranking attention pooling to diagnose LNM from T2 MRI.
Background: Jinmudan (JMD) is a high-aroma variety widely cultivated in China. The current study primarily focuses on the key volatile metabolites in JMD black and oolong teas, and investigates the impact of processing technologies on the aroma quality of JMD tea. However, few studies have explored the suitability of JMD for producing a certain type of tea or the characteristic quality differences among various JMD teas using multivariate statistical analysis methods.
View Article and Find Full Text PDFBMC Womens Health
September 2024