This paper demonstrates a customized quartz tuning fork (QTF) coated with the titanium carbide (TiCT) MXene film that can effectively enhance the sensitivity of light-induced thermoelastic spectroscopy (LITES). The MXene film is coated at the root of the customized QTF. The film area is proven to have little impact on resonance frequency, bandwidth, quality factor, and amplitude of the second harmonic signal (2) based on the fundamental flexural mode.
View Article and Find Full Text PDFBacterial mastitis in dairy cow is often caused by a combination of bacterial infections, such as Escherichia coli, Staphylococcus aureus, and Streptococcus agalactiae. Currently, there is no effective vaccine against the disease. Therefore, we constructed a recombinant subunit vaccine by fusing gene fragments of E.
View Article and Find Full Text PDFBackground: C-X-C chemokine receptor type 5 (CXCR5)CD8 T cells represent a unique immune subset with dual roles, functioning as cytotoxic cells in persistent viral infections while promoting B cell responses. Despite their importance, the specific role of CXCR5CD8 T cells in chronic hepatitis B (CHB), particularly during interferon-alpha (IFN-α) treatment, is not fully understood. This study aims to elucidate the relationship between CXCR5CD8 T cells and sustained serologic response (SR) in patients undergoing 48 weeks of pegylated IFN-α (peg-IFN-α) treatment for CHB.
View Article and Find Full Text PDFBackground: The treatment of transplant ureteral stricture (TUS) has been a great challenge, and there is limited experience with indocyanine green (ICG) fluorescence-guided robotic Boari flap-pelvis anastomosis to identify ureteral stenosis segments (especially long-segment) and their postoperative blood supply. We report case series of ureteral strictures treated with ICG fluorescence-guided robotic Boari flap-pelvis anastomosis in our center.
Case Description: We retrospectively collected clinical data of six patients diagnosed with long-segment even full-length TUS who underwent robotic Boari flap-pelvis anastomosis with the assistance of modified distribution of robotic ports and ICG fluorescence between June 2022 and June 2024, focusing on postoperative renal function, stenosis recurrence, and urinary fistulae.
Perovskite solar cell (PSC) technology holds great promise with continuously improving power conversion efficiency; however, the use of metal electrodes hinders its commercialization and the development of tandem designs. Although single-walled carbon nanotubes (SWCNTs), as one-dimensional materials, have the potential to replace metal electrodes in PSCs, their poor conductivity still limits their application. In this study, the near-infrared (NIR)-absorbing anionic heptamethine cyanine dye-doped SWCNTs functioned in a dual role as an efficient charge-selective layer and electrode in PSCs.
View Article and Find Full Text PDFThis study aims to construct and validate noninvasive diagnosis models for evaluating significant liver fibrosis in patients with chronic hepatitis B (CHB). A cohort of 259 CHB patients were selected as research subjects. Through random grouping, 182 cases were included in the training set and 77 cases in the validation set.
View Article and Find Full Text PDFBackground: There is currently no definitive treatment for osteoarthritis. We examined the therapeutic effects and underlying mechanisms of platelet-rich plasma (PRP) and adipose-derived mesenchymal stem cells (ADSCs), individually or in combination, in a rat model of anterior cruciate ligament-induced degenerative osteoarthritis (OA) of the knee. This study seeks to advance clinical approaches to OA treatment.
View Article and Find Full Text PDFBackground: Identifying Parkinson's disease (PD) during its initial phases presents considerable hurdles for clinicians.
Purpose: To examine the feasibility and efficacy of a machine learning model based on quantitative multiparametric magnetic resonance imaging (MRI) features in identifying early-stage PD.
Methods: We recruited 33 participants, including 19 with early-stage PD, 14 with advanced-stage PD and 20 healthy control subjects.
Int Immunopharmacol
January 2025
Lymph node metastasis is an important biological feature of oral squamous cell carcinoma, bearing poorly prognostic implications. However, the role of lymph node metastasis in cancer progression remains inconclusive. On the one hand, lymph nodes are pivotal sites for initiating specific immunity, which is crucial for maintaining antitumor immune response.
View Article and Find Full Text PDFGeneralized estimating equations (GEE) are of great importance in analyzing clustered data without full specification of multivariate distributions. A recent approach by Luo and Pan jointly models the mean, variance, and correlation coefficients of clustered data through three sets of regressions. We note that it represents a specific case of the more general estimating equations proposed by Yan and Fine which further allow the variance to depend on the mean through a variance function.
View Article and Find Full Text PDFRationale And Objectives: To develop interpretable machine learning models that utilize deep learning (DL) and radiomics based on multiparametric Magnetic resonance imaging (MRI) to predict preoperative lymph node (LN) metastasis in rectal cancer.
Materials And Methods: This retrospective study involved 286 cancer patients confirmed by histopathology from center 1 (Training set) and 66 patients from center 2 (External test set). Radiomics features were extracted from T2-weighted imaging (T2WI) and diffusion-weighted imaging (DWI) sequences, whereas DL features were obtained using four models: MobileNet-V3-large, Inception-V3, ResNet50, and VGG16.
Spectrochim Acta A Mol Biomol Spectrosc
March 2025
The ν + 2ν + ν band of CO is dominated by weak absorption lines near 2.0 uμm, which has potential application in planetary atmosphere, astrophysical, and hydrocarbon fuel combustion investigations. High-quality spectral line parameters are the foundation of spectroscopic technology.
View Article and Find Full Text PDFMicroplastics up to 20 μm are recognized as having the highest potential to cause significant impacts on aquatic environments. Current methods face challenges in detecting and chemically characterizing small microplastics in freshwater systems. In this study, using an optical confocal micro-Raman tweezer technique, the composition of particles trapped in lake aggregates collected from surface water around Yangcheng Lake in Suzhou, China, has been identified.
View Article and Find Full Text PDFIn recent years, the field of face super-resolution (FSR) has advanced rapidly. However, complex degradation factors in real-world scenarios can severely deteriorate image quality, significantly affecting the reconstruction performance of FSR methods. Currently, there is a lack of research on degradation modeling for real-world facial images, which impacts the generalization ability of existing FSR methods.
View Article and Find Full Text PDFObjectives: This study aimed to explore the protective effects and underlying mechanisms of salidroside (SAL) in angiotensin II (Ang II)-induced hypertensive renal injury and fibrosis, using in vivo and in vitro models.
Methods: In this study, we generated Ang II-induced hypertensive renal injury and fibrosis in mice and the recombinant interferon-gamma (IFN-γ)-stimulated murine podocyte clone 5 (MPC5) model in vitro. Histological and oxidative stress analyses were performed to evaluate the renal injury.
Background: For renal hilar angiomyolipoma, general surgical resection is often quite challenging. The aim of this study is to evaluate the safety and efficacy of an innovative robot-assisted laparoscopic strategy that combines tumor enucleation with tumor aspiration in the treatment of renal hilar angiomyolipoma.
Methods: The clinical data of 38 patients with renal hilar angiomyolipoma who went through robotic tumor enucleation combined with tumor aspiration in the Department of Urology, the Affiliated Hospital of Nanjing University Medical School, from December 2019 to December 2022 were retrospectively analyzed.
Sci Total Environ
December 2024
Reports on the influences of spring frost on crop losses are not consistent, which may be because insufficient indicators of spring frost were included in the analysis. To bridge this gap, we analyzed global temperature datasets and production data for the three major crops of maize, winter wheat, and rice from 1981 to 2016. Five indicators of spring frost events: temperature fluctuation (T), temperature difference (T), duration (T), occurrence date (T), and frequency (T) were considered to assess their relationship with yield losses.
View Article and Find Full Text PDFIntroduction: The angiotensin-converting enzyme 2 (ACE2), which is expressed in cerebral vascular endothelial cells (CVECs), has been currently identified as a functional receptor for SARS-CoV-2.
Methods: We specifically induced injury to ACE2-expressing CVECs in mice and evaluated the effects of such targeted damage through magnetic resonance imaging (MRI) and cognitive behavioral tests. In parallel, we recruited a single-center cohort of COVID-19 survivors and further assessed their brain microvascular injury based on cognition and emotional scales, cranial MRI scans, and blood proteomic measurements.
Celastrus orbiculatus Thunb. is a vine used as a traditional Chinese medicinal herb. In this study, we focused on the anticancer cytotoxicity and underlying mechanism of previously unreported 3-oxygen-substituted isoflavone analogue (3-benzyloxychromone, 3-Boc) from the herb.
View Article and Find Full Text PDFRapid and accurate realization of in situ analysis of deep-sea dissolved gases imperative to the study of ecological geology, oil and gas resource exploration, and global climate change. Herein, we report for the first time the deep-sea dissolved methane (CH) in situ sensor based on quartz-enhanced photoacoustic and light-induced thermoelastic spectroscopy. The developed sensor system has a volume of φ120 mm × 430 mm and a power consumption of 7.
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