First principles design of multifunctional spintronic devices based on super narrow borophene nanoribbons.

Borophene, as a new material with various configurations, has attracted significant research attention in recent years. In this study, the electronic properties of a series of χ-type borophene nanoribbons (BNRs) are investigated using a first-principles approach. The results show that the width and edge pattern of the nanoribbons can effectively tune their electronic properties.

Determining the accuracy and interobserver agreement of four ultrasound scores in Crohn's disease assessment: correlations with endoscopy.

Background: Gastrointestinal ultrasound (GIUS) is recommended for monitoring Crohn's disease (CD). GIUS scores are used to quantify CD activity. Among them, IBUS-SAS (International Bowel Ultrasound Segmental Activity Score), BUSS (Bowel Ultrasound Score), Simple-US (Simple Ultrasound Score), and SUS-CD (Simple Ultrasound Score for Crohn's Disease) are most commonly used.

The multiple reference range of mean uterine artery pulsatility index for natural and in vitro fertilization singletons during 11-14 gestational weeks.

Background: Ultrasonography of the uterine artery (UtA) in the first and second trimesters of pregnancy can assess uterine-placental blood perfusion and guide early clinical prevention. Establishing normal ranges of the UtA pulsatility index (UtA-PI) at 11-14 weeks of pregnancy is helpful for the early identification of high-risk pregnant women and improving the prognosis. This study aimed to establish a reference range of UtA-PI based on crown-rump length (CRL) for spontaneous and in vitro fertilization (IVF) singleton pregnancy during 11-14 weeks, respectively.

The value of high-frequency ultrasonography in the differential diagnosis of early mycosis fungoides and inflammatory skin diseases: A case-control study.

Background: The clinical manifestations of early mycosis fungoides (eMF) are non-specific and similar to inflammatory skin diseases. High-frequency ultrasonography (HF-US) can show small structure of skin lesions and is helpful to provide information objectively.

Materials And Methods: A case-control study was designed in 62 patients with multiple erythemas and scales, including 18 eMF and 44 age-matched patients with eczema (EC) or psoriasis vulgaris (PsV).

[Synergistic Anti-tumor Mechanisms of Low-frequency Ultrasound-targeted Microbubble Destruction:Mechanisms and Application].

Ultrasound contrast agent microbubbles combined with low frequency ultrasound named as low-frequency ultrasound-targeted microbubble destruction technology has become an effective and non-invasive anti-tumor therapy for deep tumors.It can enhance the efficacies of chemotherapy,gene therapy,immunotherapy,and anti-angiogenic therapy by improving cell membrane permeability and destroying tumor neovasculature.It can be applied to sonodynamic therapy and realize multimodal synergistic therapy on the basis of nanoparticles,which increases the anti-tumor efficiency and offers a promising target therapy for tumors.