HEDN: multi-oriented hierarchical extraction and dual-frequency decoupling network for 3D medical image segmentation.

Previous 3D encoder-decoder segmentation architectures struggled with fine-grained feature decomposition, resulting in unclear feature hierarchies when fused across layers. Furthermore, the blurred nature of contour boundaries in medical imaging limits the focus on high-frequency contour features. To address these challenges, we propose a Multi-oriented Hierarchical Extraction and Dual-frequency Decoupling Network (HEDN), which consists of three modules: Encoder-Decoder Module (E-DM), Multi-oriented Hierarchical Extraction Module (Multi-HEM), and Dual-frequency Decoupling Module (Dual-DM).

One Nanoscale Zn(II)-Nd(III) Complex With Schiff Base Ligand: NIR Luminescent Sensing of Anions and Nitro Explosives.

One Zn-Nd complex [ZnNdL(OAc)(OH)(CHOH)] () was synthesized from Schiff base ligand bis(3-methoxysalicylidene)ethylene-1,2-phenylenediamine (HL). shows nanoscale rectangular structure with sizes of about 0.8 × 1.

Construction of a crystalline 14-metal Zn-Nd rectangular nanocluster with a dual-emissive response towards metal ions.

A crystalline 14-metal Zn-Nd cluster [ZnNdL(OAc)(O)(NO)(OCH)] (1) was constructed using a flexible Schiff base ligand with long-chain (CH)O(CH)O(CH) backbone. 1 exhibits a nanoscale rectangular structure (10 × 14 × 18 Å). Besides the visible ligand-centered emission, 1 displays typical NIR luminescence of Nd.

Large Ln coordination nanorings: NIR luminescence sensing of metal ions and nitro explosives.

Two 42-metal lanthanide coordination nanorings [Ln42L14(OH)28(OAc)84] (Ln = Nd (1), La (2)) were prepared using a vanillin type ligand. The Nd42 cluster exhibits interesting NIR luminescence sensing behavior to metal ions and nitro explosives.

[Prevalence and risk factors of peri-procedure electrical storm in acute myocardial infarction patients underwent emergency percutaneous coronary intervention].

Objective: To determine the prevalence and to identify risk factors of peri-procedure electrical storm (ES) in patients with acute myocardial infarction (AMI) underwent emergency percutaneous coronary intervention (PCI).

Methods: The clinical data of 228 AMI patients underwent emergency PCI were retrospectively analyzed and patients were divided into ES group (n = 39) and non-ES (n = 189) group. ES was referred to spontaneous ventricular tachycardia or ventricular fibrillation occurring twice or more within 24 h and requiring emergency treatment including anti-arrhythmic medicine and/or cardioversion or defibrillation.