Modulating electronic properties in hydrogenated silicon nanotubes.

This study employs first-principles calculations to investigate the geometric and electronic properties of hydrogenated silicon nanotubes (SiNTs). SiNTs, particularly in their gear-like configuration, demonstrate unique semiconducting behavior; however, their relatively small intrinsic band gaps limit their applicability in fields requiring moderate band gaps. Significant changes in electronic properties are observed by hydrogenating SiNTs at various levels of adsorption-either full or partial-and different surface configurations (exterior, interior, or dual-sided).

Clinical implications of linking microstructure, spatial biochemical, spatial biomechanical, and radiological features in ligamentum flavum degeneration.

Background: The ligamentum flavum (LF) degeneration is a critical factor in spinal stenosis, leading to nerve compression and pain. Even with new treatment options becoming available, it is vital to have a better understanding of LF degeneration to ensure the effectiveness of these treatments.

Objective: This study aimed to provide insight into LF degeneration by examining the connections between various aspects of LF degeneration, including histology, microstructure, chemical composition, and biomechanics.

Correction: A detailed study of the electronic and optical properties of germanium nanotubes.

Correction for 'A detailed study of the electronic and optical properties of germanium nanotubes' by Hsin-Yi Liu , , 2024, , 17830-17837, https://doi.org/10.1039/D4CP00812J.

A detailed study of the electronic and optical properties of germanium nanotubes.

We employed first-principles calculations to investigate the electronic and optical properties of germanene nanotubes (GeNTs). Significant multi-orbital hybridizations lead to metallic and semiconducting behaviors in small-sized armchair and zigzag GeNTs, respectively. The changes in band gaps and subband dispersions with increasing diameter have been thoroughly understood by analyzing spatial charge densities and projected density of states.

Tunable Electronic Properties of Two-Dimensional GaSeTe Alloys.

In this work, we performed a theoretical study on the electronic properties of monolayer GaSe1-xTex alloys using the first-principles calculations. The substitution of Se by Te results in the modification of a geometric structure, charge redistribution, and bandgap variation. These remarkable effects originate from the complex orbital hybridizations.

Feature-Rich Electronic Properties of Sliding Bilayer Germanene.

This study employs first-principles calculations to elucidate the properties of sliding bilayer germanene (BLGe). The buckled structure of germanene can afford a greater number of metastable stacking configurations than planar graphene and enrich the electronic properties. Herein, a detailed analysis of the structural variety, shift-dependent energy bands, and spatial charge densities of BLGe is presented.

Correlation between antibiotic consumption and resistance of Pseudomonas aeruginosa in a teaching hospital implementing an antimicrobial stewardship program: A longitudinal observational study.

Background/purpose: The rapid emergence of Pseudomonas aeruginosa resistance made selecting antibiotics more challenge. Antimicrobial stewardship programs (ASPs) are urging to implant to control the P. aeruginosa resistance.

Development of a combination antibiogram for empirical treatments of Pseudomonas aeruginosa at a university-affiliated teaching hospital.

Introduction: The significantly higher mortality rate in the critical illness patients with Pseudomonas aeruginosa (PA) infection is linked to inappropriate selecting of empirical treatment. Traditional local antibiogram provides clinicians the resistant rate of a single antimicrobial agent to the pathogen in the specific setting. The information is valuable to the clinicians in selecting suitable empirical antibiotic therapy.

The Association between General Anesthesia and New Postoperative Uses of Sedative-Hypnotics: A Nationwide Matched Cohort Study.

Sedative−hypnotic misuse is associated with psychiatric diseases and overdose deaths. It remains uncertain whether types of anesthesia affect the occurrence of new postoperative uses of sedative−hypnotics (NPUSH). We used reimbursement claims data of Taiwan’s National Health Insurance and conducted propensity score matching to compare the risk of NPUSH between general and neuraxial anesthesia among surgical patients who had no prescription of oral sedative−hypnotics or diagnosis of sleep disorders within the 12 months before surgery.

Ceftazidime-avibactam and intrapleural amikacin therapy for extensively drug-resistant Pseudomonas aeruginosa thoracic empyema: A case report.

Introduction: Thoracic empyema and concomitant bronchopleural fistula are serious complications of pneumonia. The treatment of empyema caused by extensively drug-resistant Pseudomonas aeruginosa (XDR-PA) has become increasingly challenging.

Patients Concerns And Important Clinical Findings: A 57-year-old woman with controlled schizophrenia developed hospital-associated bacterial pneumonia secondary to P.

Long-Term Survival Impact of High-Grade Complications after Liver Resection for Hepatocellular Carcinoma: A Retrospective Single-Centre Cohort Study.

: Although complications after liver resection for hepatic cancer are common, the long-term impact of these complications on oncological outcomes remains unclear. This study aimed to investigate the potential effect of high-grade postoperative complications on long-term mortality and cancer recurrence after surgical resection of hepatocellular carcinoma. : In a retrospective cohort study, patients undergoing curative liver resection for primary hepatocellular carcinoma between 2005 and 2016 were evaluated.

Obstructive hydronephrosis with secondary urosepsis.

Obstructive uropathy is one of the leading causes of urosepsis. In patients with severe hydronephrosis, underlying sepsis and renal dysfunction should be treated with caution. The immediate drainage of hydronephrosis is crucial for infectious source removal and is hence related to the patient's prognosis.

Spectral Entropy Monitoring Accelerates the Emergence from Sevoflurane Anesthesia in Thoracic Surgery: A Randomized Controlled Trial.

The clinical efficacy of spectral entropy monitoring in improving postoperative recovery remains unclear. This trial aimed to investigate the impact of M-Entropy (GE Healthcare, Helsinki, Finland) guidance on emergence from anesthesia and postoperative delirium in thoracic surgery. Adult patients undergoing video-assisted thoracoscopic surgery for lung resection at a medical center were randomly allocated into the M-Entropy guidance group (n = 39) and the control group (n = 37).

A predictive model incorporating inflammation markers for high-grade surgical complications following liver resection for hepatocellular carcinoma.

Background: Systemic inflammation and immune deficiency predispose surgical patients to infection and adversely affect postoperative recovery. We aimed to evaluate the prognostic ability of inflammation and immune-nutritional markers and to develop a predictive model for high-grade complications after resection of hepatocellular carcinoma (HCC).

Methods: This study enrolled 1431 patients undergoing liver resection for primary HCC at a medical center.

Migraine Headaches after Major Surgery with General or Neuraxial Anesthesia: A Nationwide Propensity-Score Matched Study.

Migraine headaches can be provoked by surgical stress and vasoactive effects of anesthetics of general anesthesia in the perioperative period. However, it is unclear whether general anesthesia increases the migraine risk after major surgery. Incidence and risk factors of postoperative migraine are also largely unknown.

Exploring the factors related to adolescent health literacy, health-promoting lifestyle profile, and health status.

Background: Health literacy has been concerned a key factor for determining the use of health information and promoting health. The study aimed to explore adolescent health literacy, health-promoting lifestyle profile, and health status and related factors.

Methods: A cross-sectional study design was used; 918 first year junior college students were recruited in Taiwan.

Essential Electronic Properties of Silicon Nanotubes.

In this work, the various electronic properties of silicon nanotubes (SiNTs) were investigated by the density functional theory. The cooperative and competitive relationships between the chiral angle, periodic boundary conditions, and multi-orbital hybridizations create unusual narrow gaps and quasi-flat bands in the ultra-small armchair and zigzag tubes, respectively. The features varied dramatically with tube radii.

Association between Dental Scaling and Reduced Risk of End-Stage Renal Disease: A Nationwide Matched Cohort Study.

Periodontitis is prevalent in patients with chronic kidney disease (CKD) and is also associated with kidney function decline. It is unclear whether dental scaling treatment prevents the progression of CKD. In a nationwide cohort study, Taiwan's National Health Insurance Research Database was used to select people with CKD.

Feature-Rich Geometric and Electronic Properties of Carbon Nanoscrolls.

How to form carbon nanoscrolls with non-uniform curvatures is worthy of a detailed investigation. The first-principles method is suitable for studying the combined effects due to the finite-size confinement, the edge-dependent interactions, the interlayer atomic interactions, the mechanical strains, and the magnetic configurations. The complex mechanisms can induce unusual essential properties, e.

Preexisting Dementia Is Associated with Increased Risks of Mortality and Morbidity Following Major Surgery: A Nationwide Propensity Score Matching Study.

Patients with dementia are predisposed to multiple physiological abnormalities. It is uncertain if dementia associates with higher rates of perioperative mortality and morbidity. We used reimbursement claims data of Taiwan's National Health Insurance and conducted propensity score matching analyses to evaluate the risk of mortality and major complications in patients with or without dementia undergoing major surgery between 2004 and 2013.

Stacking-configuration-enriched essential properties of bilayer graphenes and silicenes.

First-principles calculations show that the geometric and electronic properties of silicene-related systems have diversified phenomena. Critical factors of group-IV monoelements, like buckled/planar structures, stacking configurations, layer numbers, and van der Waals interactions of bilayer composites, are considered simultaneously. The theoretical framework developed provides a concise physical and chemical picture.

A CCR4-associated factor 1, OsCAF1B, confers tolerance of low-temperature stress to rice seedlings.

Rice is an important crop in the world. However, little is known about rice mRNA deadenylation, which is an important regulation step of gene expression at the post-transcriptional level. The CCR4-NOT1 complex contains two key components, CCR4 and CAF1, which are the main cytoplasmic deadenylases in eukaryotic cells.

A CCR4 Association Factor 1, OsCAF1B, Participates in the αAmy3 mRNA Poly(A) Tail Shortening and Plays a Role in Germination and Seedling Growth.

Poly(A) tail (PAT) shortening, also termed deadenylation, is the rate-limiting step of mRNA degradation in eukaryotic cells. The carbon catabolite repressor 4-associated factor 1s (CAF1s) were shown to be one of the major enzymes for catalyzing mRNA deadenylation in yeast and mammalian cells. However, the functions of CAF1 proteins in plants are poorly understood.