Results 31 to 40 of about 9,102,946 (306)

Experimental Mixed-Gas Permeability, Sorption and Diffusion of CO2-CH4 Mixtures in 6FDA-mPDA Polyimide Membrane: Unveiling the Effect of Competitive Sorption on Permeability Selectivity

open access: yesMembranes, 2019
The nonideal behavior of polymeric membranes during separation of gas mixtures can be quantified via the solution-diffusion theory from experimental mixed-gas solubility and permeability coefficients.
Giuseppe Genduso   +2 more
doaj   +1 more source

Electropolymerization of robust conjugated microporous polymer membranes for rapid solvent transport and narrow molecular sieving

open access: yesNature Communications, 2020
Conjugated microporous polymers (CMPs) have great potential in membrane applications but are often brittle. Here, the authors develop an electropolymerization process to form a skin-core architecture which allows them to overcome mechanical limitations ...
Zongyao Zhou   +10 more
doaj   +1 more source

A Thermal Skin Model for Comparing Contact Skin Temperature Sensors and Assessing Measurement Errors

open access: yesSensors, 2021
To improve the measurement and subsequent use of human skin temperature (Tsk) data, there is a need for practical methods to compare Tsk sensors and to quantify and better understand measurement error.
Braid A. MacRae   +4 more
doaj   +1 more source

Lateral diffusion processes in biomimetic polymer membranes [PDF]

open access: yes, 2015
Molecular self-assembly offers an important bottom-up approach to generate new materials with great potential for applications in nano-, life- and medical- sciences and engineering.
Itel, Fabian
core   +1 more source

Development of CVD Silica Membranes Having High Hydrogen Permeance and Steam Durability and a Membrane Reactor for a Water Gas Shift Reaction

open access: yesMembranes, 2019
Water gas shift reaction of carbon monoxide (CO) with membrane reactors should be a promising method for hydrogen mass-production because of its high CO conversion, high hydrogen purity and low carbon dioxide emission.
Ryoichi Nishida   +4 more
doaj   +1 more source

Reversible Oxygen Sensing Based on Multi-Emission Fluorescence Quenching

open access: yesSensors, 2020
Oxygen is ubiquitous in nature and it plays a key role in several biological processes, such as cellular respiration and food deterioration, to name a few.
Efe Armagan   +7 more
doaj   +1 more source

Variational Mode Decomposition Weighted Multiscale Support Vector Regression for Spectral Determination of Rapeseed Oil and Rhizoma Alpiniae Offcinarum Adulterants

open access: yesBiosensors, 2022
The accurate prediction of the model is essential for food and herb analysis. In order to exploit the abundance of information embedded in the frequency and time domains, a weighted multiscale support vector regression (SVR) method based on variational ...
Xihui Bian   +6 more
doaj   +1 more source

Design of Robust FEP Porous Ultrafiltration Membranes by Electrospinning-Sintered Technology

open access: yes, 2022
Perfluoropolymer membranes are widely used because of their good environmental adaptability. Herein, the ultrafine fibrous FEP porous membranes were fabricated with electrospinning-sintered technology. The effects of PVA content and sintering temperature
Zhao, Wei   +9 more
core   +1 more source

Use of a novel pressure distribution system for severely ill neonates: a clinical pilot study carried out by the PREPICare consortium

open access: yesBMC Pediatrics, 2023
Background Pressure Injuries are not exclusively an adult phenomenon; various risk factors contribute to a high prevalence rate of 43% in the neonatal and pediatric intensive care population.
Anna-Barbara Schlüer   +6 more
doaj   +1 more source

Metal-organic framework based mixed matrix hydrogel membranes for highly efficient gas separation

open access: yesAdvanced Membranes, 2021
MOF/polymer interface in mixed-matrix membranes (MMMs) has been considered as a crucial issue for achieving highly efficient gas separation performance.
Lei Tian   +4 more
doaj   +1 more source

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