Understanding the developmental sequence characteristics of the vertebral and appendicular skeletons of the larvae and juveniles of Larimichthys crocea (Naozhou population) can provide theoretical basis for seedling cultivation, environmental adaptation, and taxonomic identification. The cartilage-bone double staining method was used to stain, observe, and analyse the vertebrae, pectoral fins, anal fins, caudal fins, and dorsal fins of the larvae and juveniles of L. crocea (0-30 days post-hatching [DPH]).
View Article and Find Full Text PDFMicromachines (Basel)
December 2024
Insulated gate bipolar transistors (IGBTs), as an important power semiconductor device, are susceptible to thermal stress, thermal fatigue, and mechanical stresses under high-voltage, high-current, and high-power conditions. Elevated heat dissipation within the module leads to fluctuating rises in temperature that accelerate its own degradation and failure, ultimately causing damage to the module as a whole and posing a threat to operator safety. Through ANSYS Workbench simulation analysis, it is possible to accurately predict the temperature distribution, equivalent stress, and equivalent strain of solder materials under actual working conditions, thus revealing the changing laws of the heat-mechanical interaction in solder materials.
View Article and Find Full Text PDFMicromachines (Basel)
November 2024
Thermal treatment is a common method to improve the properties of optical thin films, but improper thermal treatment processing will result in the degradation of the optical properties of the optical thin film. The thermal stability of niobium oxide (NbO) thin films prepared by magnetron sputtering was systematically studied by analyzing the roughness and morphology of the film under different thermal treatment processes. The results show that the amorphous stability of the NbO thin film can be maintained up to 400 °C.
View Article and Find Full Text PDFA novel adaptive model-based motion control method for multi-UAV communication relay is proposed, which aims at improving the networks connectivity and the communications performance among a fleet of ground unmanned vehicles. The method addresses the challenge of relay UAVs motion control through joint consideration with unknown multi-user mobility, environmental effects on channel characteristics, unavailable angle-of-arrival data of received signals, and coordination among multiple UAVs. The method consists of two parts: (1) Network connectivity is constructed and communication performance index is defined using the minimum spanning tree in graph theory, which considers both the communication link between ground node and UAV, and the communication link between ground nodes.
View Article and Find Full Text PDFHospital-acquired infection (HAI) and antimicrobial resistance (AMR) represent major challenges in healthcare system. Despite numerous studies have assessed environmental and patient samples, very few studies have explored the microbiome and resistome profiles of medical staff including nursing workers. This cross-sectional study was performed in a tertiary hospital in China and involved 25 nurses (NSs), 25 nursing workers (NWs), and 55 non-medical control (NC).
View Article and Find Full Text PDFSalmonella is a common foodborne pathogen found in poultry production systems. Contaminated poultry products are a major source of human salmonellosis. Understanding the conditions of contamination and the genetic relationships of Salmonella in poultry production is necessary to develop effective interventions measures for controlling Salmonella transmission.
View Article and Find Full Text PDFBackground: This study aimed to investigate the association between Metabolic-dysfunction-associated steatotic liver disease(MASLD)and C-reactive protein/lymphocyte ratio (CLR).
Methods: MASLD was defined as a Controlled Attenuation Parameter (CAP ≥ 274dB/m) and CLR = C-reactive protein/lymphocyte. A multifactor linear regression model was used to test the relationship between MASLD and CLR.
Ethnopharmacological Relevance: Danlong oral liquid (DLOL) is a traditional Chinese proprietary medicine commonly used to treat chronic respiratory diseases, including bronchial asthma and chronic obstructive pulmonary disease. However, the therapeutic effects and pharmacological mechanisms of DLOL in improving airway remodeling remain unclear.
Aims Of The Study: This study utilizes in vivo and in vitro experiments, serum pharmacological analysis, and network-based pharmacology approaches to investigate the effects and mechanisms of DLOL on airway remodeling and epithelial-mesenchymal transition (EMT) in asthma.
Sertoli and granulosa cells, the initial differentiated somatic cells in bipotential gonads, play crucial roles in directing male and female gonad development, respectively. The transcription factor Foxo1 is involved in diverse cellular processes, and its expression in gonadal somatic cells is sex-dependent. While Foxo1 is abundantly expressed in ovarian granulosa cells, it is notably absent in testicular Sertoli cells.
View Article and Find Full Text PDFPurpose: This study aims to identify risk factors for vertebral compression fracture and enhance the ability to indicate fracture risk.
Methods: A retrospective collection of clinical and imaging data was conducted for patients with vertebral compression fractures and control subjects who underwent quantitative computed tomography scans. Stepwise logistic regression analysis was employed to identify variables associated with fractures, constructing both unadjusted model and adjusted model.
Purpose: External focus of attention (FOA) has been shown to improve motor performance. However, recent research has found that the effectiveness of FOA is related to the level of expertise. Therefore, this study examined the effects of FOA on putting performance in golfers of different levels of expertise.
View Article and Find Full Text PDFDespite the considerable success of deep learning methods in stereo matching for binocular images, the generalizability and robustness of these algorithms, particularly under challenging conditions such as occlusions or degraded infrared textures, remain uncertain. This paper presents a novel deep-learning-based depth optimization method that obviates the need for large infrared image datasets and adapts seamlessly to any specific infrared camera. Moreover, this adaptability extends to standard binocular images, allowing the method to work effectively on both infrared and visible light stereo images.
View Article and Find Full Text PDFProper control of inflammatory responses is essential for embryonic development, but the underlying mechanism is poorly understood. Here, we show that under physiological conditions, inactivation of ISG15, an inflammation amplifier, is associated with the interaction of Beclin 1 (Becn1), via its ECD domain, with STAT3 in the major fetal hematopoietic organ of mice. Conditional loss of Becn1 caused sequential dysfunction and exhaustion of fetal liver hematopoietic stem cells, leading to lethal inflammatory cell-biased hematopoiesis in the fetus.
View Article and Find Full Text PDFStructured illumination microscopy (SIM) provides an enhanced spatial resolution of up to twice the conventional capacity. Recently, many approaches have attempted to combine deep learning frameworks with SIM reconstruction for better capability. Nonetheless, the inadequacy of training samples highlights the challenge of limited credibility and low generalization ability of deep learning, thus significantly constraining the application in biology.
View Article and Find Full Text PDFStructured illumination microscopy (SIM) is a powerful super-resolution technology in biological science because of its fast imaging speed, low phototoxicity, and full-field imaging. Despite this, SIM is hampered by out-of-focus background noise, which can obscure weak fluorescence signals and render them unrecognizable. Previous denoising algorithms tended to eliminate the noise along with the weak signals, causing a decrease in image quality.
View Article and Find Full Text PDFAs human complex diseases are influenced by the interaction between genetics and the environment, identifying gene-environment interactions (G × E) is crucial for understanding disease mechanisms and predicting risk. Developing robust quantitative tools for G × E analysis can enhance the study of complex diseases. However, many existing methods that explore G × E focus on the interplay between an environmental factor and genetic variants, exclusively for common or rare variants.
View Article and Find Full Text PDFPlasmonic nanolasers, which are promising coherent light sources for integrated photonics, super-resolution imaging, and ultrasensitive sensing applications, face the challenge of high thresholds due to inherent losses in plasmonic nanocavities. While considerable efforts have been made to improve the Q factor, typically quantified by the full width at half maximum (FWHM), intensity (ΔI) is another critical feature of plasmonic resonance. However, the combined influence of both the Q factor and resonance intensity of a plasmonic nanocavity on nanolasing threshold has not been sufficiently explored, as experimentally controlling one variable while keeping the other constant is challenging.
View Article and Find Full Text PDFBoth the circular economy and fire-safety of polymer plastics have become a global consensus. Herein, an integrated strategy for selectively self-recyclable, highly-transparent and fire-safe polycarbonate plastic is proposed by thermally responsive phosphonium-phosphate (DP). During its service life, DP, as a flame-retardant with good compatibility, enables polycarbonate plastic with high transparency in visible light, excellent self-extinguishing and high fire-safety.
View Article and Find Full Text PDFAchnatherum inebrians is a perennial grass widely distributed in northwest China. Nearly all wild A. inebrians plants are infected by Epichloë endophytes.
View Article and Find Full Text PDFTher Adv Respir Dis
September 2024