Publications by authors named "Qiuyang Yin"
The performance of PbSe colloidal quantum dot (CQD) based photodiodes with responses beyond 2000 nm was far from satisfactory and has rarely been reported. The difficulty in obtaining chemically stable large-sized PbSe CQDs was the main reason. In this work, chloride ions in weak acidic solvent were introduced to in-situ etch out the Se atoms on the surfaces of PbSe CQDs and formed a -Pb-Cl protection layer.
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- Lead sulfide (PbS) quantum-dot-based photodetectors face limitations due to a high potential barrier at the interface between the photodetector and light-emitting unit, requiring high driving voltages that lead to energy inefficiency and instability.
- The introduction of azetidinium iodide (AzI) at the PD/LED interface achieves zero-barrier interconnection, significantly lowering the turn-on voltage to 1.2 V and enhancing photon-to-photon conversion efficiency to approximately 3% at 3 V.
- This improvement is attributed to the self-assembly of AzI dipole molecules, influenced by van der Waals forces between sulfur atoms in PbS and protonated hydrogen atoms around nitrogen in
Physics-Informed Explainable Continual Learning on Graphs.
IEEE Trans Neural Netw Learn Syst
September 2024
Temporal graph learning has attracted great attention with its ability to deal with dynamic graphs. Although current methods are reasonably accurate, most of them are unexplainable due to their black-box nature. It remains a challenge to explain how temporal graph learning models adapt to information evolution.
View Article and Find Full Text PDFObjective: This study aims at realizing unsupervised term discovery in Chinese electronic health records (EHRs) by using the word segmentation technique. The existing supervised algorithms do not perform satisfactorily in the case of EHRs, as annotated medical data are scarce. We propose an unsupervised segmentation method (GTS) based on the graph partition principle, whose multi-granular segmentation capability can help realize efficient term discovery.
View Article and Find Full Text PDFTotally thoracoscopic closure for atrial septal defect on perfused beating hearts.
Eur J Cardiothorac Surg
June 2012
Objectives: To investigate the feasibility and safety of non-robotically assisted totally thoracoscopic closure for atrial septal defect (ASD) on perfused beating hearts.
Methods: Twenty-four patients (8-45 years, mean 14.4 ± 18.
Article Synopsis
- The study compared the quality of life outcomes between patients undergoing totally thoracoscopic closure of atrial septal defects and those receiving conventional sternotomy.
- All patients in the thoracoscopic group experienced successful surgeries with shorter operation times, less postoperative pain, and quicker recovery to school or work.
- Results indicated that the thoracoscopic approach led to significantly better quality of life scores in various health domains compared to the sternotomy group.
Background: Thoracoscopic closure of atrial or ventricular septal defect is a new surgical method. The postoperative mental health status of patients treated with this novel approach is presently unknown.
Objective: The aims of this study were to compare psychological symptoms between patients treated with thoracoscopy and those treated with conventional open heart surgery and to evaluate the effect of perioperative counseling on postoperative psychological symptoms.
Background: Coronary artery bypass grafting (CABG) in high-risk patients is associated with significant perioperative complications and anxiety. Prevention of these postoperative complications and anxiety is important in the improvement of clinical outcomes following CABG.
Objective: The objective of the study was to evaluate the effect of nurse-initiated preoperative education and counseling on postoperative complications and anxiety symptoms following CABG.
Objectives: We sought to investigate the feasibility and safety of totally thoracoscopic repair of a ventricular septal defect.
Methods: Totally thoracoscopic repair of a perimembranous ventricular septal defect was performed in 36 patients (16 male patients; age, 5-19 years; average age, 10.2 ± 4.
Article Synopsis
- The study investigates the safety and feasibility of totally endoscopic repair of atrial septal defects (ASDs) without robotic assistance in 40 patients, primarily teens.
- The surgical procedure involved small incisions and was performed using a thoracoscope, with an average cardiopulmonary bypass time of 56.2 minutes and no major complications reported.
- Results showed successful closure of ASDs in all patients, with an average hospital stay of 4 to 6 days, indicating this technique as a safe and effective treatment option.