نتایج جستجو برای: inorganic membrane

تعداد نتایج: 457530  

Journal: :Advanced Materials 2023

Energy Storage In article number 2300962, Bin Peng, Houbing Huang, Ming Liu, and co-workers introduce a freestanding single-crystalline ferroelectric membrane to fabricate sandwich-structured inorganic/organic composites, which exhibit good dielectric-temperature stability superior energy-storage performance. This effective strategy can underlie promoting the performance of dielectric capacitor...

A novel potentiometric ion-selective PVC membrane sensor for analysis of atorvastatin (AT) in pharmaceutical preparations based on atorvastatin-(tetraphenyl borate), (AT-(TPB)2) as sensing element, tetraphenyl borate as additive and tris-2-ethyl-hexyl phosphate (TOP) as plasticizer solvent was prepared. The electrode shows a good Nernestian response over the concentration range of 0.09–5586 µ...

Journal: :Current opinion in chemical engineering 2023

Carbon molecular sieve membranes (CMSMs) are inorganic produced by carbonization of a thermosetting polymer. The selection the adequate polymer, conditions and post-carbonization treatment allow production large variety porous structures. mass transport species through these structures is not easy to model in detail. This review reports last developments field CMSMs. membrane also briefly touch...

2009
Douglas M. Ruthven

This paper considers permeation through microporous or nanoporous inorganic membranes under the influence of an applied pressure gradient. In general membrane permeation may be considered as a diffusive process, driven by the gradient of chemical potential (which depends on both composition and pressure). The relative importance of these two factors varies greatly for different types of system....

2006
Zhiai Xu Xu Chen Shaojun Dong

Biosensors have experienced rapid, extensive development. To maintain the bioactivity of biomolecules and to give the electrochemical output signal required, appropriate bioimmobilization matrices for biomolecules are critical. In this review, we describe some advanced membrane materials (including hydrogels, sol-gel-derived organic-inorganic composites and lipid membranes), introduce electroch...

2018
Kyoungwon Park Yung Kuo Volodymyr Shvadchak Antonino Ingargiola Xinghong Dai Lawrence Hsiung Wookyeom Kim Hong Zhou Peng Zou Alex J Levine Jack Li Shimon Weiss

We developed membrane voltage nanosensors that are based on inorganic semiconductor nanoparticles. We provide here a feasibility study for their utilization. We use a rationally designed peptide to functionalize the nanosensors, imparting them with the ability to self-insert into a lipid membrane with a desired orientation. Once inserted, these nanosensors could sense membrane potential via the...

A novel potentiometric ion-selective PVC membrane sensor for analysis of atorvastatin (AT) in pharmaceutical preparations based on atorvastatin-(tetraphenyl borate), (AT-(TPB)2) as sensing element, tetraphenyl borate as additive and tris-2-ethyl-hexyl phosphate (TOP) as plasticizer solvent was prepared. The electrode shows a good Nernestian response over the concentration range of 0.09–5586 µ...

Journal: :The Journal of General Physiology 1974
Erik J. Olson Ralph J. Cazort

To determine whether a cell metabolite was involved in active calcium transport, the cell contents of human erythrocytes were subjected to high dilutions and the resultant ghosts were checked for their ability to actively transport calcium. It was found that the diluted erythrocyte ghosts did retain their capacity to actively transport calcium and that the characteristics of this transport proc...

Journal: :The journal of physical chemistry. C, Nanomaterials and interfaces 2011
Ting Wang Dawei Li Xiaolin Lu Alexander Khmaladze Xiaofeng Han Shuji Ye Pei Yang Gi Xue Nongyue He Zhan Chen

Planar solid supported single lipid bilayers on mica, glass, or other inorganic surfaces have been widely used as models for cell membranes. To more closely mimic the cell membrane environment, soft hydrophilic polymer cushions were introduced between the hard inorganic substrate and the lipid bilayer to completely avoid the possible substrate-lipid interactions. In this article, sum frequency ...

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