Poly(propylene oxide)–poly(ethylene oxide)–poly(propylene oxide) (PPO–PEO–PPO) block copolymers (BCPs) with cross-linkable end groups were synthesized, blended an ionic liquid (IL) diluent, and cross-linked to form polymer gel electrolytes. The IL prevented crystallization of PEO at high concentrations, enabling fast ion transport. In addition, the was selective for block, inducing strong microphase separation in what are otherwise disordered or weakly ordered BCP melts. Cross-linking BCPs...

Block copolymers of polystyrene‐ b ‐poly(vinyl benzyl trimethylammonium tetrafluoroborate) (PS‐ ‐[PVBTMA][BF 4 ]) were synthesized by sequential monomer addition using atom transfer radical polymerization. Membranes the block prepared drop casting from dimethylformamide. Initial evaluation microphase separation in these PS‐ ] materials via SAXS revealed formation spherical, cylindrical, and lamellar morphologies. hydroxide) ‐[PVBTMA][OH]) as polymeric alkaline anion exchange membranes ion...

End-functionalized poly(ethylene glycol) (PEG) and polydimethylsiloxane (PDMS) were cross-linked by a thiolene reaction with tetra-functional thiol to create robust, tunable networks. These networks loaded increasing amounts of lithium bis(trifluoromethane sulfonyl imide) (LiTFSI), their ion conductivity was measured. A wide range salt loading achieved, allowing the investigation both salt-in-polymer polymer-in-salt regimes. Thermal, mechanical, properties LiTFSI-loaded PEG PEG-PDMS Even at...

Ionic liquids composed of four different 1,2,3-triazolium cations with tosylate or triflate counter anions have been synthesized and characterized. Physicochemical properties these ionic including ion cluster behavior, thermal properties, electrochemical stability conductivity were determined compared to corresponding imidazolium based liquids. The impact structure variations, in terms substituents on the ring cation identity anion (i.e. versus triflate) is discussed. Stability salts towards...

Abstract Proton transport (PT) plays an important role in many biological processes as well materials for renewable energy devices. Gaining insights into functional group requirements PT would aid the design of new that provide enhanced proton conduction. In this report, we outline our efforts to understand most probable conduction pathway 1 H ‐1,2,3‐triazole systems. triazole‐based systems, both imidazole‐ and pyrazole‐like pathways are possible. By systematically comparing structurally...

We show that discotic mesogens can be used to lower the activation energy barrier for proton transport.

The dynamic nature of hydrogen bonds in phenolic polymers, where the bond donor/acceptor reorientation can occur a single site, presents lower barriers for proton transport.

Abstract Polyacrylates containing a different number of 1 H ‐1,2,3‐triazole groups per repeat unit have been synthesized via conventional free radical polymerization. These polymers were characterized by nuclear magnetic resonance spectroscopy (NMR), gel permeation chromatography (GPC), thermogravimetric analysis (TGA), and differential scanning calorimetry (DSC). Proton conductivity measurements made using impedance spectroscopy. Introduction more than one triazole did not result in an...

In this communication, we introduce squaric acid derivatives as anhydrous proton conductors. We report the synthesis, characterization and conductivities of four derivatives. The conductivity one was 2.3 × 10(-3) S cm(-1) at 110 °C, comparable to molten 1H-1,2,3-triazole or 1H-imidazole.

Abstract A new product prototype system for diagnosing vision and neurological disorders, called NeuroDotVR, is described herein: this utilizes a novel wireless NeuroDot brain sensor [Versek C et al. J Neural Eng. 2018 Aug; 15(4):046027] that quantitatively measures visual evoked potentials fields resulting from custom stimuli displayed on smartphone housed in virtual reality headset. The unique it can be operated both regular electroencephalography mode, as well electric field...

Abstract Purpose Multiple sclerosis (MS) is a neuro-inflammatory disease affecting the central nervous system (CNS), where immune targets and damages protective myelin sheath surrounding nerve fibers, inhibiting axonal signal transmission. Demyelinating optic neuritis (ON), common MS symptom, involves damage. We’ve developed NeuroVEP, portable, wireless diagnostic that delivers visual stimuli through smartphone in headset measures evoked potentials at cortex from scalp using custom...

What is the impact of mixing two proton-conducting heterocycles on proton conductivity? Herein we answer this question through our investigations linear rod-like compounds 2-(4-(dodecyloxy)phenyl)-1H-imidazole (4) and 5-(4-(dodecyloxy)phenyl)-1H-1,2,3-triazole (10). We have found that mixtures molecules 4 10 at certain compositions show enhanced conductivity compared to their pure components. attribute increased in these materials charge density due facile co-ionization mobility...

Delayed Dark-Adapted vision Recovery (DAR) is a biomarker for Age-related Macular Degeneration (AMD), however its measurement burdensome patients and examiners.In this study, we developed portable, wireless user-friendly system that employs headset with smartphone to deliver controlled photo-bleach monocular pattern reversal stimuli, while using custom electroencephalography (EEG) electrodes electronics in order measure Visual Evoked Potentials (DAVEP) objectively separately at the...

We describe an early-stage prototype of a new wireless electrophysiological sensor system, called NeuroDot, which can measure neuroelectric potentials and fields at the scalp in modality Electric Field Encephalography (EFEG). aim to establish physical validity EFEG modality, examine some its properties relative merits compared EEG.We designed measurement device based on Texas Instrument ADS1299 Analog Front End platform montage, using custom electrodes, simultaneously spatially averaged EEG...

Human Computer Interaction (HCI) is central for many applications, including hazardous environment inspection and telemedicine. Whereas traditional methods ofHCI teleoperating electromechanical systems include joysticks, levers, or buttons, our research focuses on using electromyography (EMG) signals to improve intuition response time. An important challenge accurately efficiently extract map EMG known position real-time control. In this preliminary work, we compare the accuracy performance...

Abstract Purpose Multiple Sclerosis (MS) is a neuro-inflammatory disease of the Central Nervous System (CNS) in which body’s immune system attacks and destroys myelin sheath that protects nerve fibers causes disruption axonal signal transmission. Demyelinating Optic Neuritis (ON) often manifestation MS involves inflammation optic nerve. ON can cause vision loss, pain discomfort eyes, difficulties color perception. In this study, we developed NeuroVEP, portable, wireless diagnostic delivers...