Publications by authors named "Ruimei Yuan"

One of the significant technological challenges in safeguarding electronic devices pertains to the modulation of electromagnetic (EM) wave jamming and the recycling of defensive shields. The synergistic effect of heterodimensional materials can effectively enable the manipulation of EM waves by altering the nanostructure. Here we propose a novel approach for upcycling by-products of silver nanowires that can fabricate shape-tunable aerogels which enable the modulation of its interaction with microwaves by heterodimensional structure of by-products.

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Multifaceted balance makes the design of ceramics difficult but is urgently needed. This work purposes to grow uniform edge-rich graphene (ERG) on alumina (AlO/ERG) in-situ, then constructs a discontinuous conductive, strengthening and toughening network of crosslinked ERG by mixing AlO/ERG with AlO and sintering. Under the guarantee of the tight-bound covalent interface, ERG and doping AlO strengthen and toughen the ceramic by synergistic effect of weak and strong interface.

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Introduction: The hemodynamic effects of withholding vs. continuing angiotensin II receptor blockers (ARBs) before surgery in elderly patients undergoing spinal surgery in a prone position during anesthesia induction to skin incision are still unknown.

Methods: In this prospective study, 80 patients undergoing spinal surgery in a prone position with general anesthesia, aged 60-79 years, American Society of Anesthesiologists (ASA) II or III, were enrolled.

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To evaluate the efficacy of remimazolam pretreatment in preventing propofol-induced injection pain (PIP) in patients undergoing gastroscopy. One hundred and forty patients (ASA I-II, aged 18-65 years, BMI 18-28 kg/m) who were to undergo gastroscopy were randomized into either a saline group (group S) or a remimazolam group (group R) (n = 70 for each) on a computer-generated random number basis. The patients in group S received normal saline (0.

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Rational construction of hierarchical electrode materials has been a research hotspot in the field of energy storage. In this work, metal-organic framework (MOF) derived hollow NiCoO nanocages (NCs) were strung by interwoven SiC nanowires (NWs) network on carbon cloth (CC), forming a unique sugar gourd-like core-shell architecture, which were fabricated via a multi-step process containing of chemical vapor deposition, solution reaction of MOF templates, ion exchanging/etching and subsequent heat treatment. Benefiting from the unique structural advantages, such as hierarchical porous structure with abundant active sites for electrochemical reactions and interwoven conductive networks for electron transport, the formed core-shelled CC/SiC@NiCoO as a binder supercapacitor electrode exhibits excellent electrochemical performance with a large specific capacitance (1377.

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Electrode materials with hierarchical self-supporting core-shell structures, with the metric of structural advantages and synergetic effect for different components, have been widely applied in supercapacitor. Besides, interface designing would improve the bonding of different components and further enhance the stability of electrochemical performance. In this work, by the introduction of CNTs layer to construct the conductive and rugged interface on SiC nanowires (NWs), the formed core-shell SiC@CNTs network were served as conductive skeleton for supporting NiCoO nanosheets (NSs).

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A Cu-NWs paper synthesized by a one-step method is first presented. Owing to its good conductivity, it is an effective framework to interlink TMOs and prevent aggregation. For a practical application, the core-shell Cu NWs@ultrathin CoO delivers good performance for the catalytic oxidation of glucose and energy storage, with a sensitivity of 396.

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Prussian blue (PB) and its analogues (PBA), especially with hollow structures, have attracted growing attention from the researchers of energy storage field. Herein, we have developed a facile self-templating method to synthesize hollow-structured cobalt hexacyanoferrate (CoHCF) with controllable morphologies by using water-soluble precursors as templates. The method is versatile and can be extended to synthesize various PB/PBA hollow structures with tunable composition and morphology.

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3D binder-free CuO nanosheets wrapped nanofilms has been in situ synthesized on Cu substrate by a simple and facile procedure, with an aim of fabricating high-performance glucose sensor. The complex morphology that the nanosheet grown on Cu subtract evolved into nanofilms and eventually converged to nanowires, is benefit for the mass transport and electro-catalysis. Compared the ECSA of the CuO modified electrode to that of the bare Cu electrode, the effective surface area during the electro-catalysis of the CuO/Cu electrode is much larger.

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Background: This study aimed to explore the role of a nonsynonymous single-nucleotide polymorphism, 3312G>T, in SCN9A, which was identified in probands with congenital indifference to pain, but which is also present in normal controls, in the prediction of individual baseline pain perception, and postoperative pain sensitivity in the general population.

Methods: Preoperative pressure pain thresholds and tolerance were measured in 200 patients undergoing pancreatectomy, and the postoperative pain sensitivity and analgesic demand were recorded. These variables were compared according to the SCN9A 3312G>T alleles.

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Objective: The physiological sensation of pain and rapid response to stimuli serve as an adaptive way to avoid harmful situations. Our purpose was to investigate why this protection disappears or almost disappears for patients with congenital indifference to pain (CIP).

Design: The study was designed as a case report by scanning the candidate genes within CIP patients.

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Purpose: This study aimed to investigate the impact of CYP3A4*1G genetic polymorphism on metabolism of fentanyl in Chinese patients undergoing lower abdominal surgery.

Methods: 176 patients receiving elective lower abdominal surgery under general anesthesia were recruited into this study. Genotyping of CYP3A4*1G was carried out by direct sequencing.

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