Harnessing mixed-phase MoS for efficient room-temperature ammonia sensing.

Molybdenum disulfide (MoS), a notable two-dimensional (2D) material, has attracted considerable interest for its potential applications in gas sensing, despite its typically insulating characteristics, which have limited its practical use. In this study, we present the use of mixed phase MoS (1T@2H-MoS) to overcome sensing limitations of MoS material by enhancing its conductivity and demonstrating its high-performance characteristics for sensing ammonia (NH) at room temperature (20 °C). The 1T@2H-MoS was synthesized a hydrothermal process, and the coexistence of two different phases (the 1T and 2H phases) was confirmed by transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), and Raman spectroscopy.

Tuberculous meningitis associated with the absence of pleocytosis in cerebrospinal fluid in an immunocompetent patient: A case report.

We report a case of tuberculous meningitis without pleocytosis of the cerebrospinal fluid (CSF) in a 27-year-old patient admitted for a meningeal syndrome with signs of basilar involvement and an infectious syndrome associated with a hacking cough with whitish sputum and night sweats, evolving for 15 days before her admission, in a context of weight loss of 2 kg, asthenia, and anorexia. Cytobacteriological and chemical analysis of the CSF revealed less than 3 cells/mm white blood cells, high protein levels of 2.54 g/l, and low glucose levels of 0.

56 Gbps externally modulated widely tunable lasers with SOA boosters heterogeneously integrated on silicon.

We demonstrate externally modulated widely tunable lasers co-integrated with semiconductor optical amplifiers (SOAs) heterogeneously integrated on silicon. The widely tunable laser enables continuous single-mode operation over a tuning range of approximately 40 nm, with a side-mode suppression ratio (SMSR) of at least 50 dB and an average waveguide-coupled optical power of 5 mW. The integrated electro-absorption modulator (EAM) exhibits an extinction ratio (ER) of 16 dB when reversed biased at -2 V.

Direct Oral Anticoagulants Versus Warfarin in Patients With Isolated Heparin-Induced Thrombocytopenia or Heparin-Induced Thrombocytopenia With Thrombosis.

No existing studies compare oral anticoagulants to treat heparin-induced thrombocytopenia with or without thrombosis (HIT/HITT). This retrospective study evaluated thrombotic and bleeding outcomes in adults treated for HIT/HITT with a direct oral anticoagulant (DOAC) or warfarin between 2012 and 2023 within the Ochsner Health System. Patients with mechanical heart valves, valvular atrial fibrillation, antiphospholipid syndrome, active malignancy, or venous thromboembolism (VTE) within the previous 6 months were excluded.

The Role of High-Resolution Ultrasound in the Diagnosis of Nerve Trauma New Perspective: A Preliminary Systematic Review and Meta-Analysis of the Recent Evidence.

Precise localization of peripheral nerve injuries and evaluation of their prognosis based on clinical and electrodiagnostic examinations are particularly challenging in the acute phase. High-resolution ultrasound (HRUS) may offer a viable and cost-effective imaging option for assessing the morphology of nerve injuries. Consequently, a systematic review and meta-analysis of studies on the use of ultrasound for diagnosing traumatic nerve injuries were conducted.