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Laparoscopic Reversal of Roux-en-Y Gastric Bypass with Hand-Sewn Gastro-Gastrostomy and Resection of the Alimentary Limb.
Obes Surg
December 2024
Department of Upper Gastrointestinal and Bariatric Surgery, University Hospitals Sussex (St Richard's Hospital), Chichester, UK.
Introduction: Roux-en-Y gastric bypass (RYGB) reversal might be necessary to alleviate refractory surgical or nutritional complications, such as postprandial hypoglycemia, malnutrition, marginal ulceration, malabsorption, chronic diarrhea, nausea and vomiting, gastro-esophageal reflux disease, chronic pain, or excessive weight loss. The surgical technique of RYGB reversal is not standardized; potential strategies include the following: (1) gastro-gastrostomy: hand-sewn technique, linear stapler, circular stapler; (2) handling of the Roux limb: reconnection or resection (if remaining intestinal length ≥ 4 m).
Case Presentation: We demonstrate the surgical technique of a laparoscopic reversal of RYGB with hand-sewn gastro-gastrostomy and resection of the alimentary limb with the aim of improving the patient's quality of life.
Omnidirectional Bending Sensor with Bianisotropic Structure for Wearable Electronics.
ACS Sens
December 2024
School of System Design and Intelligent Manufacturing, Southern University of Science and Technology, Taoyuan, Shenzhen, 518000 Guangdong, China.
Bending sensors are critical to the advancement of wearable electronics and can be applied in the dynamic monitoring of flexible object morphology. However, current bending sensors are constrained by sensing range and precision, especially in full-range detection. The maximum sensing range of existing flexible bending sensors is 0-240°.
View Article and Find Full Text PDFArticle Synopsis
- The text outlines the development of a plug-and-play adaptive optics module for commercial microscopes that uses a deformable phase plate to improve image quality through aberration correction.
- By estimating aberration profiles at multiple points and stitching corrected images together, the system aims to create high-quality full-field images.
- An empirical method is introduced to optimize measurement time and correction quality by aligning the field segment size with the isoplanatic patch, enhancing overall performance in real-world applications.
Ribozyme-activated mRNA trans-ligation enables large gene delivery to treat muscular dystrophies.
Science
November 2024
Aab Cardiovascular Research Institute, University of Rochester School of Medicine and Dentistry, Rochester, NY 14642, USA.
Ribozymes are small catalytic RNA sequences capable of nucleotide-specific self-cleavage found widespread in nature. Ribozyme cleavage generates distinct 2',3'-phosphate and 5'-hydroxyl termini that resemble substrates for recently characterized RNA repair pathways in cells. We report that ribozyme cleavage of two separate mRNAs activated their scarless trans-ligation and translation into full-length protein in eukaryotic cells, a process that we named StitchR (for Stitch RNA).
View Article and Find Full Text PDFPhenotyping of Panicle Number and Shape in Rice Breeding Materials Based on Unmanned Aerial Vehicle Imagery.
Plant Phenomics
October 2024
College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China.
The number of panicles per unit area (PNpA) is one of the key factors contributing to the grain yield of rice crops. Accurate PNpA quantification is vital for breeding high-yield rice cultivars. Previous studies were based on proximal sensing with fixed observation platforms or unmanned aerial vehicles (UAVs).
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