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Highly Permselective Contorted Polyamide Desalination Membranes with Enhanced Free Volume Fabricated by mLbL Assembly.
ACS Appl Mater Interfaces
January 2025
Civil and Environmental Engineering Department, University of Houston, 4226 Martin Luther King Blvd, Houston, Texas 77204, United States.
The permeability-selectivity trade-off in polymeric desalination membranes limits the efficiency and increases the costs of reverse osmosis and nanofiltration systems. Ultrathin contorted polyamide films with enhanced free volume demonstrate an impressive 8-fold increase in water permeance while maintaining equivalent salt rejection compared to conventional polyamide membranes made with -phenylenediamine and trimesoyl chloride monomers. The solution-based molecular layer-by-layer (mLbL) deposition technique employed for membrane fabrication sequentially reacts a shape-persistent contorted diamine monomer with a trimesoyl chloride monomer, forming highly cross-linked, dense polyamide networks while avoiding the kinetic and mass transfer limitations of traditional interfacial polymerization.
View Article and Find Full Text PDFBody mass index, regional adipose deposition, and clinical outcomes in non-ischemic dilated cardiomyopathy: a prospective cohort study.
Eur J Prev Cardiol
January 2025
Department of Cardiology, West China Hospital, Sichuan University, Chengdu 610041, Sichuan, P. R. China.
Aim: To assess the relationship between body mass index (BMI), subcutaneous adipose tissue (SAT), visceral adipose tissue (VAT), epicardial adipose tissue (EAT), pericardial adipose tissue (PAT) and clinical outcomes in dilated cardiomyopathy (DCM) patients.
Methods: Non-ischemic DCM patients were prospectively enrolled. Regional adipose tissue, cardiac function, and myocardial tissue characteristics were measured by cardiac magnetic resonance (CMR).
Assessing the cortical microstructure in contralesional sensorimotor areas after stroke.
Brain Commun
May 2024
Department of Neurology, University Medical Center Hamburg-Eppendorf, 20246 Hamburg, Germany.
Cortical thickness analyses have provided valuable insights into changes in cortical brain structure after stroke and their association with recovery. Across studies though, relationships between cortical structure and function show inconsistent results. Recent developments in diffusion-weighted imaging of the cortex have paved the way to uncover hidden aspects of stroke-related alterations in cortical microstructure, going beyond cortical thickness as a surrogate for cortical macrostructure.
View Article and Find Full Text PDFCorrelating the Optical Coherence Tomography Patterns and Biomarkers of Diabetic Macular Edema with Hemoglobin Level in Diabetic Kidney Disease.
Clin Ophthalmol
January 2025
Department of Ophthalmology, Kasturba Medical College Manipal, Manipal Academy of Higher Education, Manipal, Udupi, Karnataka, India.
Purpose: To correlate the optical coherence tomography (OCT) based morphological patterns of diabetic macular edema (DME) and prognostic biomarkers with severity of anaemia in patients with diabetic kidney disease (DKD).
Patients And Methods: Single centre, observational cross sectional study of 42 eyes of 42 patients with DME and DKD. Eyes were divided into 2 groups: Group A (Haemoglobin level above 10 g% and group B with haemoglobin less than 10 g%).
The biophysical basis of bacterial colony growth.
Nat Phys
September 2024
School of Physics, Georgia Institute of Technology, Atlanta, GA, USA.
Bacteria often attach to surfaces and grow densely-packed communities called biofilms. As biofilms grow, they expand across the surface, increasing their surface area and access to nutrients. Thus, the overall growth rate of a biofilm is directly dependent on its "range expansion" rate.
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