In such an era of information explosion, improving the level of information security is still a challenging task. Self-erasing luminescent hydrogels are becoming ideal candidates for improving the level of information security with simple encryption and decryption methods. Herein, a lanthanide-polyoxometalate-based self-erasing luminescent hydrogel with time-dependent and resilient properties was constructed through a covalent crosslinked network constructed with polyacrylamide and a non-covalent crosslinked network constructed with [2-(methacryloyloxy)ethyl]trimethyl ammonium chloride/NaDyWO, along with doping urease.
View Article and Find Full Text PDFPurpose: To confirm if the CYP17A1 gene regulates the ratio of T/E leading to MetS-BPH.
Methods: 824 men, aged 47-88 years, were recruited into this study through consecutive routine physical examination programs and long-term outpatient screening. Several parameters, including SNPs of CYP17A1 gene, total testosterone, estradiol, and the ratio of total testosterone to estradiol (T/E) were obtained for each participant.
Background: This study aimed to evaluate the effect of foraminoplasty using large-channel endoscopy during TESSYS on the biomechanics of the lumbar spine.
Methods: A complete lumbar spine model, M1, was built using 3D finite elements, and models M2 and M3 were constructed to simulate the intraoperative removal of the superior articular process of L5 using a trephine saw with diameters of 5 mm and 8.5 mm, respectively, and applying normal physiological loads on the different models to simulate six working conditions-anterior flexion, posterior extension, left-right lateral bending, and left-right rotation-to investigate the displacement and facet joint stress change of the surgical segment, and the disc stress change of the surgical and adjacent segments.
Mg alloys with excellent high-temperature mechanical properties are urgently desired to meet the design requirements of new-generation aircraft. Herein, novel cast Mg-10Gd-2Y-0.4Zn-0.
View Article and Find Full Text PDFSecurity printing is of the utmost importance in the information era. However, the excessive use of inks and paper still faces many economic and environmental issues. Thus, developing erasable inkless security printing materials is a remarkable strategy to save resources, protect the environment, and improve information security.
View Article and Find Full Text PDFBackground: G-protein coupled receptors (GPCRs) are recognized as attractive targets for drug therapy. However, it remains poorly understood how GPCRs, except for a few chemokine receptors, regulate the progression of liver fibrosis. Here, we aimed to reveal the role of GPR65, a proton-sensing receptor, in liver fibrosis and to elucidate the underlying mechanism.
View Article and Find Full Text PDFStrengthening Mg alloys with rare earth elements has been a research focus for several decades. To minimize the usage of rare earth elements while enhancing mechanical properties, we adopted the strategy of alloying with multiple rare earth elements, namely Gd, Y, Nd, and Sm. Additionally, to promote the precipitation of basal precipitate, Ag and Zn doping was also induced.
View Article and Find Full Text PDFStrengthening the CoCrFeNi high entropy alloy with a face-center cubic structure has become a research prospect in the last decade. Alloying with double elements, Nb and Mo, is an effective method. In this paper, to further enhance the strength of the Nb and Mo contained high entropy alloy, CoCrFeNiNbMo was annealing treated at different temperatures for 24 h.
View Article and Find Full Text PDFIn order to explore the microstructure evolution of an Mg-RE alloy refined by Al during solution treatment, an Mg-3Y-4Nd-2Al alloy was treated at 545 °C for different time periods. Phase evolution of the alloy was investigated. After solution treatment, the Mg-RE eutectic phase in the Mg-3Y-4Nd-2Al alloy dissolves, the granular AlRE phase does not change, the acicular AlRE phase breaks into the short rod-like AlRE phase, and the lamellar AlRE phase precipitates in the grains.
View Article and Find Full Text PDFEnhancing the mechanical properties of magnesium alloys to meet the urgent need for their lightweight applications in the aerospace field has always been a great challenge. Herein, the effect of Ag on the microstructure and tensile properties of the Mg-2.5Nd-1.
View Article and Find Full Text PDFBackground: Selective cannulation, which is essential for endoscopic retrograde cholangiopancreatography (ERCP), may be difficult. The aim of this study was to compare transpancreatic sphincterotomy (TPS) and needle-knife precut (NKP) in difficult cannulation during ERCP.
Methods: PubMed, Embase, Web of Science, the Cochrane Central Register of Controlled Trials, and ClinicalTrials.
Background: Long noncoding RNAs (lncRNAs) have emerged as important regulators in a variety of human diseases. The dysregulation of liver sinusoidal endothelial cell (LSEC) phenotype is a critical early event in the fibrotic process. However, the biological function of lncRNAs in LSEC still remains unclear.
View Article and Find Full Text PDFIn situ synthesis feasibility of ZrB-SiC-ZrC composite coatings on ZrC ceramics by reactive plasma spraying (RPS) was investigated. To help to understand the phase evolution during plasma spraying process, reaction behavior in the ZrH-Si-BC system was explored carefully by differential scanning calorimetry. The results indicated that the phase transformation sequence in the ZrH-Si-BC system could be described as ZrH, ZrO, ZrC, ZrB, ZrSi, ZrSi, and SiC.
View Article and Find Full Text PDFWideochir Inne Tech Maloinwazyjne
March 2022
Introduction: As the standard procedure for the surgical treatment for gallbladder stones, we investigated the controversy surrounding the optimal time for laparoscopic cholecystectomy (LC) for acute mild biliary pancreatitis (AMBP).
Aim: To further address the optimal timing of LC, we conducted a retrospective study comparing early (< 72 h, group I) with delayed (> 72 h, group II) LC for AMBP during the same admission.
Material And Methods: This retrospective study included medical records of all patients who were admitted with a diagnosis of acute mild biliary pancreatitis at Dongyang People's Hospital from July 2011 to June 2019.
In this study, a three-dimensional (3D) solidification model was developed that uses a SOLA algorithm to solve momentum equations and accelerate iterative convergence. The macrosegregation behavior of a sand-cast Sn-6 wt.% Pb alloy was numerically investigated by the developed 3D model.
View Article and Find Full Text PDFIn the present paper, the Mg-11Gd-2Y-1Zn alloys with different Al addition were fabricated by the gravity permanent mold method. The effect of Al content on microstructure evolution and mechanical properties of as-cast Mg-11Gd-2Y-1Zn alloy was studied by metallographic microscope, scanning electron microscope, XRD and tensile testing. The experimental results showed that the microstructure of as-cast Mg-11Gd-2Y-1Zn alloy consisted of α-Mg phase and island-shaped Mg (RE, Zn) phase.
View Article and Find Full Text PDFEndoscopic ultrasound-guided drainage (EUSD) and percutaneous drainage (PD) have reportedly been used for postoperative pancreatic fluid collection (PFC). However, there is limited evidence regarding safety and efficacy in a comparison of EUSD and PD for postoperative PFC. We conducted a search of the databases PubMed, Embase, Web of Science, the Cochrane Central Register of Controlled Trials, and ClinicalTrials.
View Article and Find Full Text PDFAchieving magnesium-rare earth alloys with excellent mechanical properties remains a challenging goal in the aerospace industry. The integrated extrusion and equal channel angular pressing were employed to refine grain and improve the mechanical properties of Mg-xNd-2.0Sm-0.
View Article and Find Full Text PDFLuminescent security printing is of particular importance in the information era. However, the use of conventional paper still carries a lot of economic and environmental issues. Therefore, developing new environmentally friendly security printing material with a low cost is imperative.
View Article and Find Full Text PDFThe effect of solution treatment time on the microstructure and mechanical properties of aged the Mg-2.0Nd-2.0Sm-0.
View Article and Find Full Text PDFTotal testosterone levels decline with age, while prostate volume and the prevalence of benign prostatic hyperplasia increase with age. We sought to investigate the correlation of serum testosterone levels with prostate volume in aging men. We analyzed clinical data obtained from 416 ostensibly healthy men who underwent routine health check-ups and recruited and collected data from these subjects 4 years later.
View Article and Find Full Text PDFObjectives: This study aimed to explore efficacy and safety between LAMSs (lumen-apposing metal stents) and DPPSs (double-pigtail plastic stents) in endoscopic ultrasound-guided drainage for pancreatic fluid collections.
Methods: Electronic databases were searched to identify relevant studies published until July 20, 2020.
Results: Fifteen studies were identified in this study.
Objective: To explore the correlation between ischiocavernosus muscle injury (ICMI) with different types of pelvic fractures and erectile dysfunction (ED) after pelvic fracture.
Design: Retrospective analysis of a prospective database.
Setting: The study was carried out at the affiliated hospital of Zunyi Medical University.
Percutaneous gallbladder drainage (PTGBD), endoscopic ultrasound-guided gallbladder drainage (EUSGBD), and endoscopic transpapillary gallbladder drainage (ETGBD) are used for the treatment of patients with acute cholecystitis who are at high surgical risk. However, it is unclear which procedure is associated with the best outcomes. We systematically searched records in PubMed, Embase, Web of Science, the Cochrane Central Register of Controlled Trials, and ClinicalTrials.
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