Bearingless Inertial Rotational Stage for Atomic Force Microscopy.

We introduce a novel rotational stage based on inertial motion, designed to be lightweight, compact, and fully compatible with atomic force microscopy (AFM) systems. Our characterization of this stage demonstrates high angular precision, achieving a maximum rotational speed of 0.083 rad/s and a minimum angular step of 11.

Fatigue Response of MoS with Controlled Introduction of Atomic Vacancies.

Fatigue-induced failure resulting from repetitive stress-strain cycles is a critical concern in the development of robust and durable nanoelectromechanical devices founded on 2D semiconductors. Defects, such as vacancies and grain boundaries, inherent in scalable materials can act as stress concentrators and accelerate fatigue fracture. Here, we investigate MoS with controlled atomic vacancies, to elucidate its mechanical reliability and fatigue response as a function of atomic defect density.

Biomarkers of Early Liver Graft Damage in Circulatory Death and Brain Death Donors: A Propensity Score Matching Analysis.

Background: Donation after circulatory death (DCD) is related to a warm ischemia time and more complications compared with traditional donors (donation after brain death [DBD]).

Methods: This study included biopsy samples retrospectively collected from November 2014 to December 2018 to compare histologic and biological markers of DCD and DBD liver grafts. The analysis includes marker of early apoptosis (p21), senescence (telomerase reverse transcriptase [TERT]), cell damage (caspase-3 active), endothelial damage (vascular endothelial growth factor), stem cell (CD90), hypoxia (HIF1A), inflammatory activation (COX-2), and cross-organ allograft rejection (CD44).

Chemosensory Function in Burning Mouth Syndrome a Comparative Cross-Sectional Study.

Taste and smell are considered to be functions that contribute to the maintenance of good nutritional status. The present study evaluates taste and smell function in patients with burning mouth syndrome (BMS) versus a control group. A cross-sectional study was made of 36 consecutive patients with BMS and 56 healthy patients.

Mortality after thyroid surgery, insignificant or still an issue?

Background: Thyroidectomy is considered to be a safe procedure. Although very uncommon, death may occur after thyroid resection. The aim of this study was to investigate the prevalence and causes of death after thyroidectomy and the associated risk factors in the modern era of thyroid surgery.