Efficacy of Microneedle as an Assisted Therapy for Melasma: A Meta-analysis and Systematic Review of Randomized Controlled Trials.

Background: Melasma is a common hyperpigmentary disorder, it has variety of treatment options, but it usually has a poor curative effect and high recurrence rate. Microneedles have shown certain prospects in the treatment of melasma as an assisted therapy, but there is no consensus on its efficacy and safety. To evaluate the efficacy and safety of microneedles as an adjuvant treatment for melasma.

Digital Eddy Current Detection Method Based on High-Speed Sampling with STM32.

The electromagnetic eddy current non-destructive testing system enables the non-destructive analysis of surface defect information on tested materials. Based on the principles of eddy current detection, this paper presents a digital eddy current detection method using high-speed sampling based on STM32. A differential eddy current coil is used as the detection probe, and the combination of a differential bridge and a differential amplifier circuit helps to reduce common-mode noise interference.

Treatment of cutaneous Rosai-Dorfman disease with ALA-PDT combined with low-dose oral corticosteroids: A case report.

Cutaneous Rosai-Dorfman Disease (CRDD), a rare form of Rosai-Dorfman Disease (RDD), lacks established treatment guidelines. In this case report, we detailed a successful case of CRDD management in a 50-year-old woman with facial lesions. Our treatment included 5-aminolevulinic acid photodynamic therapy (ALA-PDT) and low-dose oral corticosteroids.

Synthesis, Characterization, and Properties of BN-Fluoranthenes.

Boron/nitrogen-doped fluoranthenes, a new class of BN-doped cyclopenta-fused polycyclic aromatic hydrocarbons, were synthesized via pyrrolic-type nitrogen directed C-H borylation. Regioselective bromination of BN-fluoranthene () gave mono- and dibrominated BN-fluoranthenes. The halogenated BN-fluoranthene () can undergo various of further cross-coupling reactions to deliver a series of BN-fluoranthenes.

Histological analysis of different types of port-wine stains to guide clinical decision making: A retrospective study.

Background And Objectives: Port-wine stains are defined as congenital benign vascular lesions. The treatment of port-wine stains remains a challenge, worldwide. This study aimed to analyze the histological characteristics in different types of port-wine stains and provide guidance for clinical decision-making.

Defect Width Assessment Based on the Near-Field Magnetic Flux Leakage Method.

Magnetic flux leakage (MFL) testing has been widely used as a non-destructive testing method for various materials. However, it is difficult to separate the influences of the defect geometrical parameters such as depth, width, and length on the received leakage signals. In this paper, a "near-field" MFL method is proposed to quantify defect widths.