نتایج جستجو برای: paam

تعداد نتایج: 143  

Journal: :Advanced Functional Materials 2023

A seamless and tough interface to integrate incompatible/immiscible soft materials is highly desired for flexible/wearable electronics many devices with multi-layer structures. Here, a surfactant-mediated interfacial chemistry introduced achieve interfaces in structures, an ultra-high toughness up ≈1300 J m−2 the architectural gel hybrid (AGH). The reversible noncovalent interactions efficientl...

Journal: :Nano Biomedicine and Engineering 2022

In the current research, silver nanoparticles (AgNPs) were mixed with a polymer blend to enhance their optical and electrical properties antibacterial efficiency. A novel approach via introducing AgNPs into could improve physical characteristics of nanocomposites (NCs). loading process, two different amounts respectively encapsulated polyvinyl alcohol (PVA), polyacrylamide (PAAm) polyethylene o...

Journal: : 2021

Two-step electrochemical anodization was used for obtaining matrices based on porous anodic alumina (MPAA). Three series of experimental samples were made: 1 – PAAM with thickness 1.3–2.5 μm and 70 nm diameter, 2 70.0 50–75 diameter 3 13.5–60.0 100–200 diameter. The pore filling MPAA realized using deposition. As a result Ni nanopillars, multilayered Cu/CoNi nanowires formed. scanning electron ...

Journal: :Turkish Journal of Chemistry 2022

This study aimed at synthesizing hydrogels to simulate opaque breast tissue (BT) and coloured cancerous tissues (CT) different densities of the designed phantom improve biopsy-related skills along with ultrasonography. Both are tear-resistant therefore, can be trained multiple times in order lower price eye-hand coordination users. For this purpose, self-healing (SH) polyacrylamide (PAAm) (SH h...

Journal: :Zeitschrift fur Naturforschung. C, Journal of biosciences 2013
Nelly Christova Petar Petrov Lyudmila Kabaivanova

Production of a rhamnolipid biosurfactant by cells of Pseudomonas aeruginosa strain BN10 immobilized into poly(ethylene oxide) (PEO) and polyacrylamide (PAAm) cryogels was investigated under semicontinuous shake flask conditions and compared to biosurfactant secretion by free cells. The biosurfactant synthesis was followed over 9 cycles of operation of the immobilized system, each cycle compris...

Journal: :Small 2008
Abbass Kazemi Joerg Lahann

Herein it is demonstrated that electrohydrodynamic co-jetting is not limited to Janus-type particles, but can also be used for the preparation of core/shell particles. Using side-by-side flow of miscible polymer solutions, electrohydrodynamic co-jetting offers an elegant and scalable route towards preparation of core/shell particles with otherwise difficult-to-prepare particle architectures, in...

Journal: :Soft matter 2014
R C Kramb P R Buskohl C Slone M L Smith R A Vaia

Autonomic materials are those that automatically respond to a change in environmental conditions, such as temperature or chemical composition. While such materials hold incredible potential for a wide range of uses, their implementation is limited by the small number of fully-developed material systems. To broaden the number of available systems, we have developed a post-functionalization techn...

2008
G. A. Evingur D. K. Aktaş Ö. Pekcan

Recent observations [1, 2] around the critical point showed that the critical exponents differed drastically for pure hydrogel systems depending on monomer concentration. To investigate hydrogels, the sol-gel phase transition during free radical crosslinking copolymerization the various amounts of acrylamide (AAm) and N-isopropylacrylamide (NIPA) mixtures was studied by using steady state fluor...

2017
Shunsuke Doi Hiroo Ide Koichi Takeuchi Shinsuke Fujita Katsuhiko Takabayashi

Accessibility to healthcare service providers, the quantity, and the quality of them are important for national health. In this study, we focused on geographic accessibility to estimate and evaluate future demand and supply of healthcare services. We constructed a simulation model called the patient access area model (PAAM), which simulates patients' access time to healthcare service institutio...

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