bluuebunny/crossref_metadata_2025_split huggingface dataset:
Magnetic Textures and Dynamics in Magnetic Weyl Semimetals
Authors: Araki Yasufumi 
Published: October 2019

AbstractRecent theoretical and experimental attempts have been successful in finding magnetic Weyl semimetal phases, which show nodal‐point structure in the electronic bands as well as magnetic orders. Beyond uniform ferromagnetic or antiferromagnetic orders, nonuniform magnetic textures, such as domain walls and skyrmions, enrich the properties of the Weyl electrons even more in such materials. Here, a topical review on interplay between Weyl electrons and magnetic textures in those magnetic Weyl semimetals is given. The basics of magnetic textures in nontopological magnetic metals are reviewed first, and then the effect of magnetic textures in Weyl semimetals is discussed, regarding the recent theoretical and experimental progress therein. The idea of the fictitious “axial gauge fields” is pointed out, which effectively describes the effect of magnetic textures on the Weyl electrons and can well account for the properties of the electrons localized around magnetic domain walls.
Breathable polymeric materials based on high‐density polyethylene prepared by environmental crazing
Authors: Yarysheva Alena , Rukhlya Ekaterina , Grokhovskaya Tatyana , Dolgova Alla , Arzhakova Olga V. 
Published: October 2019

ABSTRACTThis work addresses the preparation of breathable materials based on high‐density polyethylene (HDPE) and characterization of their performance. The sustainable HDPE mesoporous materials were prepared by the tensile drawing of the HDPE films in the presence of physically active liquids (PALEs) via the mechanism of environmental intercrystallite crazing (EIC). The prepared mesoporous materials were characterized by the different physicochemical methods such as differential scanning calorimetry (DSC), atomic force microscopy (AFM), low‐temperature nitrogen adsorption (LTNA), and so forth. Water vapor transmission rate (WVTR) of the breathable materials can be tailored by varying the tensile strain upon the EIC and is found to be equal to 597–1345 g m−2 day−1. The breathable HDPE‐based materials are characterized by good mechanical and insulating properties as well as by high water entry pressure (~43–47 bar). Hence, the deformation of HDPE films via the EIC mechanism provides an efficient route for the preparation of mesoporous breathable materials based on the low‐cost commercial polymers, which can be used as waterproof, protective, subroof, gas storage, and packaging materials. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48567.
Electrospun nanofiber polyacrylonitrile coated separators to suppress the shuttle effect for long‐life lithium–sulfur battery
Authors: Kiai Maryam Sadat , Eroglu Omer , Kizil Huseyin 
Published: October 2019

ABSTRACTPolymeric coating on the separator with effective polysulfides diffusion inhibition can provide intimate contact between intermediate polysulfides and conductive layer of separator for high‐energy lithium–sulfur (Li–S) batteries. Herein, polyacrylonitrile–poly(1,5‐diaminoanthraquinone) (PAN/PDAAQ) and PAN‐potassium functionalized graphene (PAN/K‐FGF) nanofibers are synthesized via electrospinning method and act as effective separators for Li–S batteries to minimize polysulfides diffusion toward the anode. PAN/K‐FGF coated separator shows capacity retention of 768 mAh g−1 after 100 cycles at 1C. The capacity maintains at 419 mAh g−1 after 500 cycles. PAN/PDAAQ nanofibers are coated on glass fiber separator functions as physical and chemical barrier for polysulfides diffusion. Therefore, the cell with PAN/PDAAQ coating on the separator demonstrates capacity retention of 881 mAh g−1 after 100 cycles at 1C and small capacity decay rate of 0.11% per cycle resulted in 800 cycles at 1C. PAN/PDAAQ could define as an ideal separator material for Li–S batteries. © 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2020, 137, 48606.
Aggregation‐Induced and Polymorphism‐Dependent Thermally Activated Delayed Fluorescence (TADF) Characteristics of an Oligothiophene: Applications in Time‐Dependent Live Cell Multicolour Imaging
Authors: Sarkar Samir Kumar , Pegu Meenakshi , Behera Santosh Kumar , Narra Siva Krishna , Thilagar Pakkirisamy 
Published: October 2019

AbstractTypically, molecules with a twisted donor–acceptor (D‐A) architecture have been exploited for constructing thermally activated delayed fluorescence (TADF) materials. Herein, we report the first example of a thiophene‐based thermally activated delayed fluorescent molecule without a D‐A architecture. Compound 1 (2,5‐bis(2,2‐di(thiophen‐2‐yl)vinyl)thiophene) is conformationally flexible and shows weak fluorescence in the solution state but displays bright TADFin both condensed and solid states. Compound 1 crystallized in two different polymorphs (1 a and 1 b). Interestingly, both polymorphs show distinctly different TADF features. The broad spectral features and the TADF characteristics of 1 have been explored for the time‐dependent multicolor (green, yellow and red) imaging of living cells.
Synthesis and Characterization of 3‐(5‐(Fluorodinitromethyl)‐1H‐1,2,4‐triazol‐3‐yl)‐4‐nitrofurazan: A Novel Promising Energetic Component of Boron‐based Fuels for Rocket Ramjet Engines
Authors: Sheremetev Aleksei B. , Aleksandrova Natali S. , Semyakin Svyatoslav S. , Suponitsky Kyrill Yu. , Lempert David B. 
Published: October 2019

AbstractThe synthesis of a new energetic 1,2,4‐triazole compound bearing nitrofurazanyl and fluorodinitromethyl units, which may find use as a component for rocket ramjet engines (RRE), is described. The target product was prepared in a four‐step process applying oxidation/nitration/decarboxylation/fluorination reactions and is fully characterized. Its density and structural features were uniquely determined by X‐ray analysis. It is shown that replacing HMX with the compound of this study in boron‐based fuels gives an increase in energy.
A novel intraperitoneal therapy for gastric cancer with DFP‐10825, a unique RNAi therapeutic targeting thymidylate synthase, in a peritoneally disseminated xenograft model
Authors: Ando Hidenori , Fukushima Masakazu , Eshima Kiyoshi , Hasui Taichi , Shimizu Taro , Ishima Yu , Huang Cheng‐Long , Wada Hiromi , Ishida Tatsuhiro 
Published: October 2019

AbstractPurposeIn advanced gastric cancer, peritoneal dissemination is a life‐threatening mode of metastasis. Since the treatment options with conventional chemotherapy remain limited, any novel therapeutic strategy that could control such metastasis would improve the outcome of treatment. We recently developed a unique RNA interference therapeutic regimen (DFP‐10825) consisting of short hairpin RNA against thymidylate synthase (TS shRNA) and cationic liposomes. The treatment with DFP‐10825 has shown remarkable antitumor activity in peritoneally disseminated human ovarian cancer–bearing mice via intraperitoneal administration. In this study, we expanded DFP‐10825 to the treatment of peritoneally disseminated gastric cancer.MethodsDFP‐10825 was administered intraperitoneally into mice with intraperitoneally implanted human gastric cancer cells (MKN45 or NCI‐N87). Antitumor activity and host survival benefits were monitored. Intraperitoneal distribution of fluorescence‐labeled DFP‐10825 was monitored in this MKN45 peritoneally disseminated mouse model.ResultsIntraperitoneal injection of DFP‐10825 suppressed tumor growth in two peritoneally disseminated cancer models (MKN45 and NCI‐N87) and increased the survival time of the MKN45 model without severe side effects. Throughout the treatment regimen, no significant body weight loss was associated with the administration of DFP‐10825. Interestingly, after intraperitoneal injection, fluorescence‐labeled DFP‐10825 retained for more than 72 hours in the peritoneal cavity and selectively accumulated in disseminated tumors.ConclusionsIntraperitoneal injection of DFP‐10825 demonstrated effective antitumor activity without systemic severe adverse effects via the selective delivery of RNAi molecules into disseminated tumors in the peritoneal cavity. Our current study indicates that DFP‐10825 could become an alternative option to improve the outcomes of patients with peritoneally disseminated gastric cancer.
Distribution of pressure gradients along the left anterior descending artery in patients with angiographically normal arteries
Authors: Fukunaga Masashi , Fujii Kenichi , Mintz Gary S. , Kawasaki Daizo , Nakata Tsuyoshi , Miki Kojiro , Imanaka Takahiro , Tamaru Hiroto , Shibuya Masahiko , Masuyama Toru 
Published: October 2019

AbstractObjectivesThis study tested the hypothesis that there is no decline of coronary pressure from the proximal to the distal left anterior descending coronary artery (LAD) of humans and swine.BackgroundIn the daily clinical practice, the fractional flow reserve (FFR) in the LAD is frequently lower than that in the other arteries in the presence of a similar degree of stenosis.MethodsTwenty‐six patients with angiographically normal LAD were prospectively enrolled. The coronary pressure ratio (mean distal/proximal coronary pressures at hyperemia) was measured at five different positions: 12, 10, 7, and 5 cm distal from the LAD ostium, and at the ostium of the LAD. The coronary pressure measurement was further investigated in a swine model without atherosclerosis.ResultsThe coronary pressure ratio during maximum hyperemia gradually decreased in proportion to the distance from the ostium (average: 0.85 ± 0.06 at 12 cm distal to the ostium). This finding was confirmed in swine model. The degree of the coronary pressure decrease during maximum hyperemia was similar in patients with and without evidence of minor plaque on intravascular ultrasound, however it was strongly associated with the amount of myocardium mass in the territory of the LAD.ConclusionsIntracoronary pressure gradually decreases in proportion to the distance from the ostium in the LAD of humans and swine, regardless of the presence of minor atherosclerotic plaques. The degradation degree of the coronary pressure ratio during maximum hyperemia is enlarged in the presence of larger amount of myocardium mass in the territory of the LAD.
Pd Nanoparticles with Twin Structures on F‐Doped Graphene for Formic Acid Oxidation
Authors: Shen Yuwei , Zhang Shanshan , Liao Fan , Sun Jianping , Dang Qian , Shao Mingwang , Kang Zhenhui 
Published: October 2019

AbstractThe formic acid oxidation (FAO) on palladium (Pd) particles is relevant with their crystal structures. Here, silicon nanowires are employed as a sacrifice template to grow Pd nanoparticles with various twin structures, including two‐fold, three‐fold and five‐fold ones, as confirmed by the high‐resolution TEM image. These nanoparticles are well dispersed on the semi‐ionic fluorine (F) ions doped reduced graphene oxides, which have high activity toward FAO due to their appropriate binding energy to intermediates. The as‐prepared products show an excellent performance on FAO. The peak current of the optimal product is 0.697 A ⋅ mgPd−1 in 0.1 M HClO4 and 0.5 M HCOOH, which is 2.9 times than that of the commercial Pd/C catalyst. The electrochemical active surface area of the catalyst (0.322 m2 ⋅ mg−1) is 3.5 times than that of the commercial Pd/C (0.091 m2 ⋅ mg−1). This outstanding performance is due to the twin structure of Pd nanoparticles and the electron‐deficient surface caused by the strong electrophilicity of F ions.
Chiral‐at‐Metal Rhodium(III) Complex Catalyzed Enantioselective Vinylogous Michael Addition of α,α‐Dicyanoolefins with α,β‐Unsaturated 2‐Acyl Imidazoles
Authors: Hu Liangjian , Lin Shaoxia , Li Shiwu , Kang Qiang , Du Yu 
Published: October 2019

AbstractAs a development of traditional vinylogous Michael addition reactions, catalytic enantioselective γ‐functionalization of α,α‐dicyanoolefins possesses a remarkable advantage in carboxylic derivatives synthesis and has emerged as a powerful tool for the preparation of high value chemicals. In another hand, the development of versatile and highly efficient catalyst is quite critical for such asymmetric transformations. Herein, a newly developed chiral‐at‐metal rhodium (III) complex catalyzed enantioselective vinylogous Michael addition of α,α‐dicyanoolefins with α,β‐unsaturated 2‐acyl imidazoles has been realized, delivering the corresponding adducts in 68−89 % yields with up to 95 % enantioselectivity. The reaction can be conducted on a gram‐scale using a low catalyst loading (0.5 mol %) without impacting its efficiency.
Cu−Ni Bimetallic Hydroxide Catalyst for Efficient Electrochemical Conversion of 5‐Hydroxymethylfurfural to 2,5‐Furandicarboxylic Acid
Authors: Chen Hao , Wang Jiatuan , Yao Yuan , Zhang Zihao , Yang Zhenzhen , Li Jing , Chen Kequan , Lu Xiuyang , Ouyang Pingkai , Fu Jie 
Published: October 2019

Abstract2,5‐furandicarboxylic acid (2,5‐FDCA) produced from 5‐hydroxymethylfurfural (5‐HMF) is a promising renewable alternative to terephthalic acid. In this work, we prepared a Cu−Ni bimetallic catalyst with a CuNi(OH)2 structure by incipient wetness impregnation. This catalyst gave a 9.2 mA cm−2 current density for 5‐HMF oxidation at 1.45 V vs RHE. Finally, 100 % conversion of HMF with 93.3 % yield of 2,5‐FDCA was obtained.
Flexible and Robust Electro‐Optically Responsive Films Based on Novel Silica/Oligoaniline/Carbon Dots Composite
Authors: Zhou Yan , Berda Erik B. , Ma Qiang , Liu Xincai , Wang Ce , Chao Danming 
Published: October 2019

AbstractWe report a new electro‐optical composite film based on silica, oligoaniline, and carbon dots prepared by a hydrolytic crosslinking reaction under electrokinetic potentials. The electroactive oligoaniline and fluorescent carbon dots are covalently linked through hydrolysis of siloxane, resulting in multifunctional composite films. The resultant crosslinked architecture endows the films with high flexibility and robust durability. These films display good electrochromic behavior with an obvious color contrast, quick switching rate, and acceptable cycling stability. Moreover, these films reveal an interesting electrofluorochromic performance in continuous potential ranges, attributed to the interaction between oligoaniline and carbon dots, and the change in structure that occurs with changing redox potentials. Further, an enhanced photocurrent response is observed in these materials, as a result of the organic‐inorganic interfaces.
Expression of protocadherin‐γC4 protein in the rat brain
Authors: Miralles Celia P. , Taylor Michael J. , Bear John , Fekete Christopher D. , George Shanu , Li Yanfang , Bonhomme Bevan , Chiou Tzu‐Ting , De Blas Angel L. 
Published: October 2019

AbstractIt has been proposed that the combinatorial expression of γ‐protocadherins (Pcdh‐γs) and other clustered protocadherins (Pcdhs) provides a code of molecular identity and individuality to neurons, which plays a major role in the establishment of specific synaptic connectivity and formation of neuronal circuits. Particular attention has been directed to the Pcdh‐γ family, for which experimental evidence derived from Pcdh‐γ‐deficient mice shows that they are involved in dendrite self‐avoidance, synapse development, dendritic arborization, spine maturation, and prevention of apoptosis of some neurons. Moreover, a triple‐mutant mouse deficient in the three C‐type members of the Pcdh‐γ family (Pcdh‐γC3, Pcdh‐γC4, and Pcdh‐γC5) shows a phenotype similar to the mouse deficient in whole Pcdh‐γ family, indicating that the latter is largely due to the absence of C‐type Pcdh‐γs. The role of each individual C‐type Pcdh‐γ is not known. We have developed a specific antibody to Pcdh‐γC4 to reveal the expression of this protein in the rat brain. The results show that although Pcdh‐γC4 is expressed at higher levels in the embryo and earlier postnatal weeks, it is also expressed in the adult rat brain. Pcdh‐γC4 is expressed in both neurons and astrocytes. In the adult brain, the regional distribution of Pcdh‐γC4 immunoreactivity is similar to that of Pcdh‐γC4 mRNA, being highest in the olfactory bulb, dentate gyrus, and cerebellum. Pcdh‐γC4 forms puncta that are frequently apposed to glutamatergic and GABAergic synapses. They are also frequently associated with neuron‐astrocyte contacts. The results provide new insights into the cell recognition function of Pcdh‐γC4 in neurons and astrocytes.
Improved Stability of Layered and Porous Nickel‐Rich Cathode Materials by Relieving the Accumulation of Inner Stress
Authors: Su Yuefeng , Zhang Qiyu , Chen Lai , Bao Liying , Lu Yun , Shi Qi , Wang Jing , Chen Shi , Wu Feng 
Published: October 2019

AbstractThe commercial application of high‐capacity LiNi0.8Co0.1Mn0.1O2 is impeded by its inferior cycling stability, which has been attributed to structural instability caused by stress accumulation during both calcination and cycling. A porous structure was deliberately introduced into nickel‐rich material particles to relieve such stress. Cross‐sectional SEM and mercury penetration tests confirmed the successful construction of a porous structure. Ex situ TEM and powder XRD confirmed that the porous structure reduced the stress concentration regions in uncycled nickel‐rich material by providing a buffer space. In addition, the porous structure helps the permeation of the electrolyte and alleviates the stress accumulation during cycling, endowing the nickel‐rich cathode materials with enhanced rate capability and suppressed phase transition. This strategy can be extended for the synthesis of diverse nickel‐rich cathode materials to improve their cycling stability.
Impact of caloric restriction on peripheral nerve injury‐induced neuropathic pain during ageing in mice
Authors: De Angelis Federica , Vacca Valentina , Pavone Flaminia , Marinelli Sara 
Published: October 2019

AbstractThe incidence of peripheral neuropathy development and chronic pain is strongly associated with the arrival of senescence. The gradual physiological decline that begins after the mature stage produces myelin dysregulation and pathological changes in peripheral nervous system, attributed to reduction in myelin proteins expression and thinner myelin sheath. Moreover in elder subjects, when nerve damage occurs, the regenerative processes are seriously compromised and neuropathic pain (NeP) is maintained. We previously demonstrated that caloric restriction (CR) in adult (4 months) nerve‐lesioned mice was able to facilitate remyelination and axons regeneration, to have anti‐inflammatory action and to prevent NeP chronification. Here, we show CR therapeutic potential on nerve injury‐induced neuropathy in mice at the beginning of the senescence (12 months). Long lasting decrease in hypersensitvity induced by peripheral nerve lesion and powerful reduction in proinflammatory circulating agents have been observed. Moreover, our results evidence that CR is able to counteract the ageing‐related delay in axonal regeneration, enhancing Schwann cells proliferation and accelerating recovery processes. Differently from adults, it does not affect fibres myelination. In light of a continuous growth in elderly population and correlated health problems, including metabolic disorders, the prevalence of neuropathy is enhancing, generating a significant public cost and social concern. In this context energy depletion by dietary restriction can be a therapeutic option in NeP.
Assessing the Impacts of Methoxychlor Exposure on the Viability, Reproduction, and Locomotor Behavior of the Seminole Ramshorn Snail (Planorbella duryi)
Authors: Frankel Tyler E. , Bohannon Meredith E. , Frankel Jack S. 
Published: October 2019

Abstract
In the present study, the effects of short-term methoxychlor exposure on the viability, reproduction, and locomotor behavior of adult seminole ramshorn snails (Planorbella duryi) was assessed. To examine impacts on viability and behavior, individuals were exposed to a water control, vehicle control, or 12.5, 50, 100, 250, 500, or 1000 μg/L of methoxychlor for 48 h; and differences in mortality and locomotor behavior assessed using the freely available ToxTrac software. To determine impacts on reproduction, pairs of snails were exposed to a vehicle control and 12.5, 25, 50, 100, and 250 μg/L of methoxychlor for 9 d; and the number of clutches and eggs laid quantified every 24 h. Methoxychlor concentrations in treatments were determined using gas chromatography. Complete mortality was observed in the 500 μg/L and 1000 μg/L treatments after 48 h and in the 250 μg/L treatment after 9 d. Decreases in the number of egg clutches were observed in all treatments, and the number of eggs laid decreased starting in the 25 μg/L treatment. Decreases in average speed, mobile speed, and total distance traveled, as well as a significant increase in frozen events, were also observed. Our results suggest that methoxychlor exposure causes detrimental effects on several nonlethal endpoints in a nonmodel aquatic invertebrate species and that the analysis of locomotor behaviors serves as a reliable, sensitive endpoint for ecotoxicology testing. Environ Toxicol Chem 2019;39:220–228. © 2019 SETAC
Abstract
Graphical depiction of selected species, methoxychlor exposure, and assessed endpoints
Influence of multiple freezing/thawing cycles on a structural, rheological, and textural profile of fermented and unfermented corn dough
Authors: Yaqoob Sanabil , Liu Huimin , Zhao Chengbin , Liu Meihong , Cai Dan , Liu Jingsheng 
Published: October 2019

AbstractIn the current study, the impact of fermentation and freezing/thawing treatment on corn flour was studied. Fermentation revealed an increase (12%) in amylose content, while freezing reflected a loss of amylose. The results of scanning electron microscope (SEM) revealed more grooves, indentations, and the irregular shape of particles. Rapid Visco Analyzer (RVA) exhibited different pasting behavior on the dough. The molecular structure had similar profiles but showed several discernible absorbance at the different wavelengths. Differential scanning calorimetry (DSC) showed an increase in melting temperature range due to fermentation and freezing/thawing treatment attributed to more heterogeneous morphology. Overall, the results of this research showed the insight alterations that induce the changes in corn flour leading to improvement in some properties and it may enhance the acquaintance about the upright revolution in the profile of corn dough and its potential usage in industry and homes.