bluuebunny/crossref_metadata_2025 huggingface dataset:
Transcriptome analysis reveals carbohydrate-mediated liver immune responses in Epinephelus akaara
Authors: Yang Yunxia , Han Tao , Xiao Jia , Li Xinyu , Wang Jiteng
Published: January 2018

As the cheapest energy source, carbohydrates are used in fish feeds to improve physical quality and reduce catabolism of proteins and lipids. The liver is the primary organ for metabolism and is also an important site of immune regulation. Here, we investigated the effect of different dietary carbohydrate levels on growth and health by evaluating the liver transcriptome of Epinephelus akaara. In this study, E. akaara juveniles were fed diets containing few (0% corn starch), moderate (18% corn starch), and high (30% corn starch) levels of dietary carbohydrate. After an 8-week feeding trial, E. akaara fed 30% dietary carbohydrates exhibited poor growth performance compared with those fed 0% and 18% dietary carbohydrates (P > 0.05). Genes related to the immune system, including IL8, TLR9, CXCR4, CCL4, and NFκB inhibitor alpha, were over-expressed in E. akaara fed the highest level of carbohydrate (30%). This general over-expression could indicate activation of inflammatory processes in the liver. The liver transcriptome data of E. akaara reported here indicate that high carbohydrate level of diet can lead to poor growth and inflammatory immune response in E. akaara.
Replication of biocompatible, nanotopographic surfaces
Authors: Sun Xiaoyu , Hourwitz Matt J. , Baker Eleni M. , Schmidt B. U. Sebastian , Losert Wolfgang , Fourkas John T.
Published: January 2018

The ability of cells to sense and respond to nanotopography is being implicated as a key element in many physiological processes such as cell differentiation, immune response, and wound healing, as well as in pathologies such as cancer metastasis. To understand how nanotopography affects cellular behaviors, new techniques are required for the mass production of biocompatible, rigid nanotopographic surfaces. Here we introduce a method for the rapid and reproducible production of biocompatible, rigid, acrylic nanotopographic surfaces, and for the functionalization of the surfaces with adhesion-promoting molecules for cell experiments. The replica surfaces exhibit high optical transparency, which is advantageous for high-resolution, live-cell imaging. As a representative application, we demonstrate that epithelial cells form focal adhesions on surfaces composed of nanoscale ridges and grooves, and that the focal adhesions prefer to localize on the nanoridges. We further demonstrate that both F-actin and microtubules align along the nanoridges, but only F-actin aligns along the nanogrooves. The mass production of nanotopographic surfaces opens the door to the investigation of the effect of physical cues on the spatial distribution and the dynamics of intracellular proteins, and to the study of the mechanism of mechanosensing in processes such as cell migration, phagocytosis, division, and differentiation.
Effect of atorvastatin on the gut microbiota of high fat diet-induced hypercholesterolemic rats
Authors: Khan Tariq Jamal , Ahmed Youssri M. , Zamzami Mazin A. , Mohamed Saleh A. , Khan Imran , Baothman Othman A. S. , Mehanna Mohamed G. , Yasir Muhammad
Published: January 2018

The aim of the present study was to investigate alterations in gut microbiota associated with hypercholesterolemia and treatment with atorvastatin, a commonly prescribed cholesterol-lowering drug. In this study, seven experimental groups of rats were developed based on diets [high-fat diet (HFD) and normal chow diet (NCD)] and various doses of atorvastatin in HFD and NCD groups. 16S rRNA amplicon sequencing was used to analyze the gut microbiota. Atorvastatin significantly reduced the cholesterol level in treated rats. Bacterial diversity was decreased in the drug-treated NCD group compared to the NCD control, but atorvastatin-treated HFD groups showed a relative increase in biodiversity compared to HFD control group. Atorvastatin promoted the relative abundance of Proteobacteria and reduced the abundance of Firmicutes in drug-treated HFD groups. Among the dominant taxa in the drug-treated HFD groups, Oscillospira, Parabacteroides, Ruminococcus, unclassified CF231, YRC22 (Paraprevotellaceae), and SMB53 (Clostridiaceae) showed reversion in population distribution toward NCD group relative to HFD group. Drug-treated HFD and NCD groups both showed an increased relative abundance of Helicobacter. Overall, bacterial community composition was altered, and diversity of gut microbiota increased with atorvastatin treatment in HFD group. Reversion in relative abundance of specific dominant taxa was observed with drug treatment to HFD rats.
Magnetic and structural properties of glass-coated Heusler-type microwires exhibiting martensitic transformation
Authors: Zhukov A. , Ipatov M. , del Val J. J. , Zhukova V. , Chernenko V. A.
Published: January 2018

We have studied magnetic and structural properties of the Heusler-type Ni-Mn-Ga glass-coated microwires prepared by Tailor-Ulitovsky technique. As-prepared sample presents magnetoresistance effect and considerable dependence of magnetization curves (particularly magnetization values) on magnetic field attributed to the magnetic and atomic disorder. Annealing strongly affects the temperature dependence of magnetization and Curie temperature of microwires. After annealing of the microwires at 973 K, the Curie temperature was enhanced to about 280 K which is beneficial for the magnetic solid state refrigeration. The observed hysteretic anomalies on the temperature dependences of resistance and magnetization in the as-prepared and annealed samples are produced by the martensitic transformation. The magnetoresistance and magnetocaloric effects have been investigated to illustrate a potential technological capability of studied microwires.
Targeting Insulin-Like Growth Factor-I and Extracellular Matrix Interactions in Melanoma Progression
Authors: Murekatete Berline , Shokoohmand Ali , McGovern Jacqui , Mohanty Lipsa , Meinert Christoph , Hollier Brett G. , Zippelius Alfred , Upton Zee , Kashyap Abhishek S.
Published: January 2018

Insulin-like growth factor (IGF)-I binds to the ECM protein vitronectin (VN) through IGF binding proteins (IGFBPs) to enhance proliferation and migration of skin keratinocytes and fibroblasts. Although evidence exists for the role of individual components of the complex (IGF-I, IGFBP-3 and VN), the cellular functions stimulated by these proteins together as a complex remains un-investigated in melanoma cells. We report here that the IGF-I:IGFBP-3:VN trimeric complex stimulates a dose-dependent increase in the proliferation and migration of WM35 and Sk-MEL28 melanoma cells. In 3D Matrigel™and hydrogel cultures, both cell lines formed primary tumor-like spheroids, which increased in size in a dose-dependent manner in response to the trimeric complex. Furthermore, we reveal IGFBP-3:VN protein complexes in malignant melanoma and squamous cell carcinoma patient tissues, where the IGFBP-3:VN complex was seen to be predominantly tumor cell-associated. Peptide antagonists designed to target the binding of IGF-I:IGFBP-3 to VN were demonstrated to inhibit IGF-I:IGFBP-3:VN-stimulated cell migration, invasion and 3D tumor cell growth of melanoma cells. Overall, this study provides new data on IGF:ECM interactions in skin malignancies and demonstrates the potential usefulness of a growth factor:ECM-disrupting strategy for abrogating tumor progression.
Relationship among land surface temperature and LUCC, NDVI in typical karst area
Authors: Deng Yuanhong , Wang Shijie , Bai Xiaoyong , Tian Yichao , Wu Luhua , Xiao Jianyong , Chen Fei , Qian Qinghuan
Published: January 2018

Land surface temperature (LST) can reflect the land surface water-heat exchange process comprehensively, which is considerably significant to the study of environmental change. However, research about LST in karst mountain areas with complex topography is scarce. Therefore, we retrieved the LST in a karst mountain area from Landsat 8 data and explored its relationships with LUCC and NDVI. The results showed that LST of the study area was noticeably affected by altitude and underlying surface type. In summer, abnormal high-temperature zones were observed in the study area, perhaps due to karst rocky desertification. LSTs among different land use types significantly differed with the highest in construction land and the lowest in woodland. The spatial distributions of NDVI and LST exhibited opposite patterns. Under the spatial combination of different land use types, the LST–NDVI feature space showed an obtuse-angled triangle shape and showed a negative linear correlation after removing water body data. In summary, the LST can be retrieved well by the atmospheric correction model from Landsat 8 data. Moreover, the LST of the karst mountain area is controlled by altitude, underlying surface type and aspect. This study provides a reference for land use planning, ecological environment restoration in karst areas.
Phenotypic and Functional Characterization of Peripheral Sensory Neurons derived from Human Embryonic Stem Cells
Authors: Alshawaf Abdullah Jawad , Viventi Serena , Qiu Wanzhi , D’Abaco Giovanna , Nayagam Bryony , Erlichster Michael , Chana Gursharan , Everall Ian , Ivanusic Jason , Skafidas Efstratios , Dottori Mirella
Published: January 2018

The dorsal root ganglia (DRG) consist of a multitude of sensory neuronal subtypes that function to relay sensory stimuli, including temperature, pressure, pain and position to the central nervous system. Our knowledge of DRG sensory neurons have been predominantly driven by animal studies and considerably less is known about the human DRG. Human embryonic stem cells (hESC) are valuable resource to help close this gap. Our previous studies reported an efficient system for deriving neural crest and DRG sensory neurons from hESC. Here we show that this differentiation system gives rise to heterogeneous populations of sensory neuronal subtypes as demonstrated by phenotypic and functional analyses. Furthermore, using microelectrode arrays the maturation rate of the hESC-derived sensory neuronal cultures was monitored over 8 weeks in culture, showing their spontaneous firing activities starting at about 12 days post-differentiation and reaching maximum firing at about 6 weeks. These studies are highly valuable for developing an in vitro platform to study the diversity of sensory neuronal subtypes found within the human DRG.
Spartina alterniflora invasion affects soil carbon in a C3 plant-dominated tidal marsh
Authors: Wang Min , Wang Qing , Sha Chenyan , Chen Jiakuan
Published: January 2018

The carbon cycle is significantly affected by Spartina alterniflora invasion through its impact on blue carbon in many salt marshes. To determine the impacts on soil organic carbon (SOC), we studied the vertical and horizontal distribution of SOC. And stable carbon isotopes were used to explore the impact of the age of S. alterniflora invasion on SOC in Chongming Dongtan wetland located in the Yangtze River estuary, China. The results showed that the SOC concentration was higher in the S. alterniflora community than that in the native Phragmites australis community. The age of invasion and the SOC concentration increased with increasing elevation, while the SOC concentration decreased with increasing soil depth. The δ13C value became less negative at greater depth, which was related to the contribution from 13C- enriched carbon sources after 3 years of invasion. After 7 and 10 years, the δ13C value became more negative at greater depth in both communities. S. alterniflora had a positive effect on the soil carbon pool, and its contribution was related to soil depth. In the low tidal marshes, the contribution of S. alterniflora was negatively correlated with soil depth, while it was positively correlated with soil depth in the high tidal marshes. The results from this study will contribute to improved understanding of future ecological consequences.
Excellent room temperature deformability in high strain rate regimes of magnesium alloy
Authors: Somekawa Hidetoshi , Singh Alok , Sahara Ryoji , Inoue Tadanobu
Published: January 2018

Magnesium and its alloys have the lowest density among structural metallic materials; thus, this light-weight metal has great potential for reducing the weight, for example, of vehicles and trains. However, due to its crystal structure, deformability is poor; in particular, under compressive stress. In this study, we modified magnesium with bismuth as an alloying element, which has the characteristics of being likely to form precipitates instead of grain boundary segregation. The Mg-Bi binary alloy showed excellent deformability and high absorption of energy in high-strain rate regimes at room temperature via contribution of grain boundary sliding. These properties, which are closely comparable to those of conventional middle-strength aluminum alloys (Al-Mg and Al-Mg-Si series alloys), have never been observed before in magnesium alloys. The development of such properties opens the door for not only academic but also industrial research in magnesium.
Unique Roles of β-Arrestin in GPCR Trafficking Revealed by Photoinducible Dimerizers
Authors: Takenouchi Osamu , Yoshimura Hideaki , Ozawa Takeaki
Published: January 2018

Intracellular trafficking of G protein-coupled receptors (GPCRs) controls their localization and degradation, which affects a cell’s ability to adapt to extracellular stimuli. Although the perturbation of trafficking induces important diseases, these trafficking mechanisms are poorly understood. Herein, we demonstrate an optogenetic method using an optical dimerizer, cryptochrome (CRY) and its partner protein (CIB), to analyze the trafficking mechanisms of GPCRs and their regulatory proteins. Temporally controlling the interaction between β-arrestin and β2-adrenergic receptor (ADRB2) reveals that the duration of the β-arrestin-ADRB2 interaction determines the trafficking pathway of ADRB2. Remarkably, the phosphorylation of ADRB2 by G protein-coupled receptor kinases is unnecessary to trigger clathrin-mediated endocytosis, and β-arrestin interacting with unphosphorylated ADRB2 fails to activate mitogen-activated protein kinase (MAPK) signaling, in contrast to the ADRB2 agonist isoproterenol. Temporal control of β-arrestin-GPCR interactions will enable the investigation of the unique roles of β-arrestin and the mechanism by which it regulates β-arrestin-specific trafficking pathways of different GPCRs.
Nerve wrap after end-to-end and tension-free neurorrhaphy attenuates neuropathic pain: A prospective study based on cohorts of digit replantation
Authors: Zhu Xiaozhong , Wei Haifeng , Zhu Hongyi
Published: January 2018

The repair of injured peripheral nerve is still challenging for surgeons. The end-to-end and tension-free neurorrhaphy is the current gold standard for reconstruction after complete nerve transection without significant defect. The main objective of this study neurorrhaphy in digit replantation affects the sensory recovery and neuropathic pain in replanted digit. Total 101 patients who received replantation of single completely amputated digit were included for analysis in this study. In group I (n = 49), the digital nerves were repaired with end-to-end and tension-free neurorrhaphy and then wrapped into a tendon-derived collagen nerve conduit. In group II (n = 52), the digital nerves were repaired with end-to-end and tension-free neurorrhaphy only. The static two-point discrimination (s2PD) was performed to evaluate sensory recovery. Visual analog scale (VAS) scores of pain at rest and with exertion were measured respectively. The s2PD tests at three and six months after surgery did not show any significant difference between the two groups. The VAS scores at rest and with exertion of group I were significantly reduced compared with those of group II at three and six months after surgery. Thus, we concluded that nerve wrap into a collagen conduit after end-to-end and tension-free neurorrhaphy could attenuate neuropathic pain after digit replantation but have no benefit for sensory recovery.
Shaping and Controlled Fragmentation of Liquid Metal Droplets through Cavitation
Authors: Krivokorytov M. S. , Zeng Q. , Lakatosh B. V. , Vinokhodov A. Yu. , Sidelnikov Yu. V. , Kompanets V. O. , Krivtsun V. M. , Koshelev K. N. , Ohl C. D. , Medvedev V. V.
Published: January 2018

Targeting micrometer sized metal droplets with near-infrared sub-picosecond laser pulses generates intense stress-confined acoustic waves within the droplet. Spherical focusing amplifies their pressures. The rarefaction wave nucleates cavitation at the center of the droplet, which explosively expands with a repeatable fragmentation scenario resulting into high-speed jetting. We predict the number of jets as a function of the laser energy by coupling the cavitation bubble dynamics with Rayleigh-Taylor instabilities. This provides a path to control cavitation and droplet shaping of liquid metals in particular for their use as targets in extreme-UV light sources.
Correction: Corrigendum: Non integrative strategy decreases chromosome instability and improves endogenous pluripotency genes reactivation in porcine induced pluripotent-like stem cells
Authors: Congras Annabelle , Barasc Harmonie , Canale-Tabet Kamila , Plisson-Petit Florence , Delcros Chantal , Feraud Olivier , Oudrhiri Noufissa , Hadadi Eva , Griscelli Franck , Bennaceur-Griscelli Annelise , Turhan Ali , Afanassieff Marielle , Ferchaud Stéphane , Pinton Alain , Yerle-Bouissou Martine , Acloque Hervé
Published: January 2018

Scientific Reports 6: Article number: 27059; published online: 01 June 2016; updated: 08 January 2018 In the original version of this Article, the Supplementary Information file containing the supplementary figures and tables was omitted. This has been corrected in the HTML version of the Article; the PDF version was correct at the time of publication.
Correction: Corrigendum: Soft and wrinkled carbon membranes derived from petals for flexible supercapacitors
Authors: Yu Xiuxiu , Wang Ying , Li Li , Li Hongbian , Shang Yuanyuan
Published: January 2018

Scientific Reports 7: Article number: 45378; published online: 31 March 2017; updated: 08 January 2018 In the original version of this Article, Li Li and Hongbian Li were incorrectly affiliated with ‘CAS Center for Excellence in Nanoscience, 11, Beiyitiao, Zhonguancun, Beijing, 100190, China’. The correct affiliations for Li Li and Hongbian Li are listed below.
Micro-optics for microfluidic analytical applications
Authors: Yang Hui , Gijs Martin A. M.
Published: January 2018

This critical review summarizes the developments in the integration of micro-optical elements with microfluidic platforms for facilitating detection and automation of bio-analytical applications.
Assay of serum cholinesterase activity by an amperometric biosensor based on a co-crosslinked choline oxidase/overoxidized polypyrrole bilayer
Authors: Ciriello Rosanna , Lo Magro Sonia , Guerrieri Antonio
Published: January 2018

Based on choline oxidase immobilized by co-crosslinking on an overoxidised polypyrrole modified platinum electrode, a novel electrochemical assay for cholinesterase activity in human serum was developed.
DNA microarray-based resonance light scattering assay for multiplexed detection of DNA mutation in papillary thyroid cancer
Authors: Wang Yaoqi , Gao Jiaxue , Meng Xianying , Wang Zhenxin
Published: January 2018

A DNA microarray-based resonance light scattering assay has been developed for multiplexed detection of papillary thyroid carcinoma (PTC) related genic mutation.
A liquid chromatographic method for separation of sacubitril–valsartan and their stereoisomeric impurities
Authors: Zhou Lu , Zou Liang , Sun Lili , Zhang Hui , Hui Wenkai , Zou Qiaogen
Published: January 2018

A stereoselective normal-phase high performance liquid chromatographic method was developed and validated for separation of sacubitril (SA), valsartan (VA) and their stereoisomeric impurities.
Electrospinning: a carbonized gold/graphene/PAN nanofiber for high performance biosensing
Authors: Ekabutr Pongpol , Klinkajon Wimonwan , Sangsanoh Pakakrong , Chailapakul Orawan , Niamlang Pimolpan , Khampieng Thitikan , Supaphol Pitt
Published: January 2018

In this study, a novel biosensor was produced from a carbonized gold (Au)/graphene (G) hybrid nanowire fabricated on a disposable screen-printed carbon electrode (SPCE) in order to amplify signals.
Electronic characterization of silicon intercalated chevron graphene nanoribbons on Au(111)
Authors: Deniz O. , Sánchez-Sánchez C. , Jaafar R. , Kharche N. , Liang L. , Meunier V. , Feng X. , Müllen K. , Fasel R. , Ruffieux P.
Published: January 2018

The intrinsic electronic structure of chevron graphene nanoribbons are revealed through in situ silicon intercalation.
Manganese/cobalt-catalyzed oxidative C(sp3)–H/C(sp3)–H coupling: a route to α-tertiary β-arylethylamines
Authors: Tan Meiling , Li Kaizhi , Yin Jiangliang , You Jingsong
Published: January 2018

An oxidative coupling reaction of an α-C(sp3)–H bond of amine with a benzylic C(sp3)–H bond provides diverse collections of α-tertiary β-arylethylamines.
Synthesis of 2,5-disubstituted oxazoles via cobalt(iii)-catalyzed cross-coupling of N-pivaloyloxyamides and alkynes
Authors: Yu Xiaolong , Chen Kehao , Wang Qi , Zhang Wenjing , Zhu Jin
Published: January 2018

An efficient synthesis of 2,5-disubstituted oxazoles via cobalt(iii)-catalyzed cross-coupling of N-pivaloyloxyamides and alkynes is described herein.
SpyCatcher–SpyTag mediated in situ labelling of progeny baculovirus with quantum dots for tracking viral infection in living cells
Authors: Ke Xianliang , Zhang Yuan , Zheng Fangliang , Liu Yan , Zheng Zhenhua , Xu Yi , Wang Hanzhong
Published: January 2018

A non-invasive labelling strategy is proposed to label baculovirus via genetic insertion of a SpyTag into the viral glycoprotein, followed by specific conjugation with the SpyCatcher protein on modified quantum dots (QDs) through an isopeptide bond.
Synthesis of indolizine derivatives containing eight-membered rings via a gold-catalyzed two-fold hydroarylation of diynes
Authors: Liu Ruixing , Wang Qiang , Wei Yin , Shi Min
Published: January 2018

A novel strategy for a gold(i)-catalyzed synthesis of indolizine derivatives containing eight-membered rings has been developed, which may have potential usefulness as blue or green OLEDs.
A mononuclear manganese(iii)–hydroperoxo complex: synthesis by activating dioxygen and reactivity in electrophilic and nucleophilic reactions
Authors: Sankaralingam Muniyandi , Lee Yong-Min , Jeon So Hyun , Seo Mi Sook , Cho Kyung-Bin , Nam Wonwoo
Published: January 2018

A manganese(iii)–peroxo complex was synthesized by activating dioxygen (O2) and the amphoteric reactivity of a manganese(iii)–hydroperoxo complex was demonstrated in electrophilic and nucleophilic reactions.
Energy-efficient electrolytic hydrogen production assisted by coupling urea oxidation with a pH-gradient concentration cell
Authors: Wang Genxiang , Chen Junxiang , Li Yan , Jia Jingchun , Cai Pingwei , Wen Zhenhai
Published: January 2018

Electrolytic H2 generation can be greatly facilitated by coupling urea oxidation reaction and a pH-gradient concentration cell.
γ-MnS films with 3D microarchitectures: comprehensive study of the synthesis, microstructural, optical and magnetic properties
Authors: Dhandayuthapani T. , Girish M. , Sivakumar R. , Sanjeeviraja C. , Gopalakrishnan C. , Nagarajan R. S. , Mathew S. , Jun Ding , Venkatesan T. , Kalai Selvan G. , Manikandan K. , Arumugam S.
Published: January 2018

A simple procedure to synthesize 3D microarchitectures of γ-MnS films at low temperature is described in the present work.
Field-induced slow relaxation of magnetization in a distorted octahedral mononuclear high-spin Co(ii) complex
Authors: Wei Hai-Wen , Yang Qing-Feng , Lai Xiao-Yong , Wang Xiao-Zhong , Yang Tian-Lin , Hou Qin , Liu Xiang-Yu
Published: January 2018

By adopting the strategy of mixed rigid ligands, two novel mononuclear complexes with distorted octahedral geometries are obtained. SIM-type slow magnetic relaxation behavior is observed in Co(ii)-based complexes.
Co-crystals and salts of vanillic acid and vanillin with amines
Authors: Amombo Noa Francoise M. , Mehlana Gift
Published: January 2018

Co-crystals and salts of vanillin and its oxidized form vanillic acid with amine-type molecules.
Barriometry – an enhanced database of accurate barrier heights for gas-phase reactions
Authors: Chan Bun , Simmie John M.
Published: January 2018

The kinetics of many reactions are critically dependent upon the barrier heights for which accurate determination can be difficult. More than 100 accurate barriers are obtained with the high-level W3X-L composite procedure.
A simple method for determining the ligand affinity toward a zinc-enzyme model by using a TAMRA/TAMRA interaction
Authors: Kusamoto Hiroshi , Shiba Akio , Tsunehiro Masaya , Fujioka Haruto , Kinoshita-Kikuta Emiko , Kinoshita Eiji , Koike Tohru
Published: January 2018

A simple method for determining the ligand affinity toward a TAMRA-attached zinc-enzyme model under near physiological conditions is developed.
New complex phosphates Cs3MIIBi(P2O7)2 (MII – Ca, Sr and Pb): synthesis, characterization, crystal and electronic structure
Authors: Zatovsky Igor V. , Strutynska Nataliia Yu. , Hizhnyi Yuriy A. , Baumer Vyacheslav N. , Ogorodnyk Ivan V. , Slobodyanik Nikolay S. , Odynets Ievgen V. , Klyui N. I.
Published: January 2018

New phosphates Cs3MIIBi(P2O7)2 (MII – Ca, Sr and Pb) with the original framework topology are discussed as prospective hosts for luminescent ions.
Fundamentals of rapid injection molding for microfluidic cell-based assays
Authors: Lee Ulri N. , Su Xiaojing , Guckenberger David J. , Dostie Ashley M. , Zhang Tianzi , Berthier Erwin , Theberge Ashleigh B.
Published: January 2018

We designed a device to investigate the limits of rapid injection molding for microscale features with cell culture applications.
Recent progress of particle migration in viscoelastic fluids
Authors: Yuan Dan , Zhao Qianbin , Yan Sheng , Tang Shi-Yang , Alici Gursel , Zhang Jun , Li Weihua
Published: January 2018

In this review, we discuss the up-to-date progress of particle migration in viscoelastic fluids mainly from the aspect of applications, laying out a comprehensive perspective on their potential in future lab-on-a-chip platforms.
CO2 packing polymorphism under confinement in cylindrical nanopores
Authors: Gimondi Ilaria , Salvalaglio Matteo
Published: January 2018

We investigate the effect of cylindrical nano-confinement on the phase behaviour of a rigid model of carbon dioxide using both molecular dynamics and well tempered metadynamics.
Bifunctional galvanics mediated selective toxicity on titanium
Authors: Cao Huiliang , Tang Kaiwei , Liu Xuanyong
Published: January 2018

Internal Ag/Ca galvanics are poisons to bacterial adhesion but remedies to osteogenic differentiation of bone marrow stem cells.
Crystal structure, molecular packing, FMO, NBO, nonlinear optical and optical limiting properties of an organic imidazolium diphenylacetate diphenylacetic acid single crystal
Authors: Jauhar RO. MU. , Era Paavai , Viswanathan V. , Vivek P. , Vinitha G. , D. Velmurugan , Murugakoothan P.
Published: January 2018

A new organic nonlinear optical material, imidazolium diphenylacetate diphenylacetic acid, with excellent structural characterization and nonlinear optical activity has been reported.
Selectively oxidized carbon nanocatalysts for the oxidation ofcis-cyclooctene
Authors: Jarrais Bruno , Guedes Alexandra , Freire Cristina
Published: January 2018

Selectively oxidized multi-walled carbon nanotubes and graphene flakes showed superior performance incis-cyclooctene epoxidation: 47% conversion and 79% selectivity for the best in class oxidized MWCNT, and 57% coversion and 85% selectivity for the best graphene flake material.
Ionothermal synthesis of graphene-based microporous carbon for lithium–sulfur batteries
Authors: Zhang Ya-Bo , Yan Yang , Xie Jin-Cang , Cui Nan , Pan Zhen-Zhen , Hao Ce
Published: January 2018

Graphene-based microporous carbon with a high conductivity and diverse porous structure was designed via an ionothermal method for lithium–sulfur batteries.
Microwave-assisted dealkoxycarbonylation of α-mono- and α,α-disubstituted β-keto- and α-cyanoesters mediated by a silica gel bed
Authors: Guerrero-Caicedo Alejandro , Soto-Martínez Diana M. , Abonia Rodrigo , Jaramillo-Gómez Luz M.
Published: January 2018

An alternative microwave-assisted Krapcho-type reaction of α-mono- and α,α-disubstituted β-keto- and α-cyanoesters was efficiently performed on a silica gel bed.
Molecular ordering of A(D–A′–D)2-based organic semiconductors through hydrogen bonding after simple cleavage oftert-butyloxycarbonyl protecting groups
Authors: Trinh Cuc Kim , Lee Hong-Joon , Choi Jin Woo , Shaker Mohamed , Kim Wonbin , Lee Jae-Suk
Published: January 2018

Molecular ordering of organic semiconductors comprising a newly designed A(D–A′–D)2system was achieved through hydrogen bonding after removal oftert-butyloxycarbonyl substituents.
Gold nanoclusters with bright near-infrared photoluminescence
Authors: Pramanik Goutam , Humpolickova Jana , Valenta Jan , Kundu Paromita , Bals Sara , Bour Petr , Dracinsky Martin , Cigler Petr
Published: January 2018

Triphenylphosphonium cations strongly enhance the PL quantum yield of the near infrared photoluminescent gold nanoclusters by metal-to-ligand charge transfer.
The nitrogen concentration effect on Ce doped SiOxNy emission: towards optimized Ce3+ for LED applications
Authors: Ehré F. , Labbé C. , Dufour C. , Jadwisienczak W. M. , Weimmerskirch-Aubatin J. , Portier X. , Doualan J.-L. , Cardin J. , Richard A. L. , Ingram D. C. , Labrugère C. , Gourbilleau F.
Published: January 2018

Ce-Doped SiOxNy films are deposited by magnetron reactive sputtering from a CeO2 target under a nitrogen reactive gas atmosphere.
Dually responsive gold–iron oxide heterodimers: merging stimuli-responsive surface properties with intrinsic inorganic material features
Authors: Kakwere Hamilton , Materia Maria Elena , Curcio Alberto , Prato Mirko , Sathya Ayyappan , Nitti Simone , Pellegrino Teresa
Published: January 2018

Merging pH- and thermo-responsive surface properties with intrinsic features of gold–iron oxide heterodimers: example of their exploitation for dual loading applications.
Extensive first-principles molecular dynamics study on Li encapsulation into C60 and its experimental confirmation
Authors: Ohno K. , Manjanath A. , Kawazoe Y. , Hatakeyama R. , Misaizu F. , Kwon E. , Fukumura H. , Ogasawara H. , Yamada Y. , Zhang C. , Sumi N. , Kamigaki T. , Kawachi K. , Yokoo K. , Ono S. , Kasama Y.
Published: January 2018

We propose a strategy to further increase the production ratio of Li+@C60.
Cylindrical micelles of a POSS amphiphilic dendrimer as nano-reactors for polymerization
Authors: Weng Jing-Ting , Yeh Tso-Fan , Samuel Ashok Zachariah , Huang Yi-Fan , Sie Jyun-Hao , Wu Kuan-Yi , Peng Chi-How , Hamaguchi Hiro-o , Wang Chien-Lung
Published: January 2018

A low-generation amphiphilic dendrimer is applied as a nano-reactor for polymerization for the first time.
Photodynamic therapy in 3D cancer models and the utilisation of nanodelivery systems
Authors: Mohammad-Hadi Layla , MacRobert Alexander J. , Loizidou Marilena , Yaghini Elnaz
Published: January 2018

Testing Photodynamic Therapy (PDT) using nanoparticles on cells embedded in a 3-dimensional scaffold.
Nickel-catalyzed cross-coupling of β-carbonyl alkenyl pivalates with arylzinc chlorides
Authors: Pan Wen-Jing , Wang Zhong-Xia
Published: January 2018

The reaction of β-carbonyl alkenyl pivalates with arylzinc reagents was carried out via nickel-catalyzed C–O bond cleavage, forming 3-aryl-substituted α,β-unsaturated carbonyl compounds in moderate to excellent yields.
The fabrication of amphiphilic double dynamers for responsive Pickering emulsifiers
Authors: Zeng Ting , Yang Duanguang , Li Huaming , Cheng Chong , Gao Yong
Published: January 2018

Xylene-in-water Pickering emulsion stabilized by polymer particles that were fabricated by the self-assembly of amphiphilic double dynamers showed temperature- and pH-responsive demulsification feature.
Trace level electrochemical determination of the neurotransmitter dopamine in biological samples based on iron oxide nanoparticle decorated graphene sheets
Authors: Kokulnathan Thangavelu , Joseph Anthuvan Allen , Chen Shen-Ming , Chinnuswamy Viswanathan , Kadirvelu Krishna
Published: January 2018

The trace level electrochemical determination of dopamine in biological samples based on an iron oxide nanoparticle-capped graphene sheet modified electrode.
Photoinduced hydroxylperfluoroalkylation of styrenes
Authors: Chen Tongbi , Guo Yong , Sun Ke , Wu Li-Zhu , Liu Wen-Qiang , Liu Chao , Huang Yangen , Chen Qing-Yun
Published: January 2018

“No Catalyst is Better” is confirmed in the hydroxylperfluoroalkylation of styrenes with perfluoroalkyl iodides under irradiation by visible light.
Aromatic Pummerer reaction for the remote para- or ortho-benzyl nucleophilic functionalization
Authors: Bao Xingping , Xu Guangyu , Yao Jinzhong , Zhou Hongwei
Published: January 2018

The classic Pummerer reaction involves an α-substituted sulfide via an elimination/addition of a thionium ion. In this paper, we reported a remote para- or ortho-benzyl nucleophilic functionalization using an aromatic Pummerer process. A plausible mechanism involving a quinone thionium intermediate was proposed to explain this reaction.
Surface modification of carbon nanotubes with copper oxide nanoparticles for heat transfer enhancement of nanofluids
Authors: Manasrah Abdallah D. , Almanassra Ismail W. , Marei Nedal N. , Al-Mubaiyedh Usamah A. , Laoui Tahar , Atieh Muataz A.
Published: January 2018

Over the last few years, nanoparticles have been used as thermal enhancement agents in many heat transfer based fluids to improve the thermal conductivity of the fluids.
Injectable hyperbranched poly(β-amino ester) hydrogels with on-demand degradation profiles to match wound healing processes
Authors: Xu Qian , Guo Linru , A Sigen , Gao Yongsheng , Zhou Dezhong , Greiser Udo , Creagh-Flynn Jack , Zhang Hong , Dong Yixiao , Cutlar Lara , Wang Fagang , Liu Wenguang , Wang Wei , Wang Wenxin
Published: January 2018

1A series of hyperbranched poly(β-amino ester) polymers have been synthesized via a Michael addition approach for the fabrication of hydrogels for wound healing.
Unsymmetrical difunctionalization of cyclooctadiene under continuous flow conditions: expanding the scope of ring opening metathesis polymerization
Authors: Shen Xianwang , Gong Honghong , Zhou Yang , Zhao Yucheng , Lin Jun , Chen Mao
Published: January 2018

New cyclooctenes have been synthesized under continuous-flow conditions and applied in ring opening metathesis polymerization, providing highly functionalized materials.
Photochemical syntheses, transformations, and bioorthogonal chemistry oftrans-cycloheptene and silatrans-cycloheptene Ag(i) complexes
Authors: Fang Yinzhi , Zhang Han , Huang Zhen , Scinto Samuel L. , Yang Jeffrey C. , am Ende Christopher W. , Dmitrenko Olga , Johnson Douglas S. , Fox Joseph M.
Published: January 2018

Synthesis and transformations of AgNO3complexes oftrans-cycloheptene (TCH) andtrans-1-sila-4-cycloheptene (Si-TCH) derivatives are described.
Synthetic fermentation of β-peptide macrocycles by thiadiazole-forming ring-closing reactions
Authors: Hubert Jonathan G. , Stepek Iain A. , Noda Hidetoshi , Bode Jeffrey W.
Published: January 2018

A new thiadiazole-forming macrocyclization reaction enables the one-pot synthesis of cyclic β-peptide libraries from readily accessible building blocks without additional reagents.
New application of phthalocyanine molecules: from photodynamic therapy to photothermal therapy by means of structural regulation rather than formation of aggregates
Authors: Li Xingshu , Peng Xiao-Hui , Zheng Bing-De , Tang Jilin , Zhao Yuanyuan , Zheng Bi-Yuan , Ke Mei-Rong , Huang Jian-Dong
Published: January 2018

We for the first time demonstrate that diversified molecular tuning approaches are available to effectively tailor phthalocyanine dyes for PTT.
Porphyrinoids as a platform of stable radicals
Authors: Shimizu Daiki , Osuka Atsuhiro
Published: January 2018

This review surveys four types of stable porphyrinoid radical and covers their synthetic methods and properties. The remarkable radical-stabilizing abilities of porphyrinoid stem from their unique macrocyclic conjugated systems with high electronic and structural flexibilities.
Polyoxovanadate-alkoxide clusters as multi-electron charge carriers for symmetric non-aqueous redox flow batteries
Authors: VanGelder L. E. , Kosswattaarachchi A. M. , Forrestel P. L. , Cook T. R. , Matson E. M.
Published: January 2018

Installation of bridging alkoxide ligands leads to improvements to solubility, stability and redox profile of POM clusters!
Non-polymeric hybridization of a TEMPO derivative with activated carbon for high-energy-density aqueous electrochemical capacitor electrodes
Authors: Itoi Hiroyuki , Hasegawa Hideyuki , Iwata Hiroyuki , Ohzawa Yoshimi
Published: January 2018

High-dispersion of a hydrophobic TEMPO derivative inside the pores of activated carbon provides high-performance aqueous electrochemical capacitor electrodes without polymerization.
Continuous-flow trapping and localized enrichment of micro- and nano-particles using induced-charge electrokinetics
Authors: Zhao Cunlu , Yang Chun
Published: January 2018

In this work, we report an effective microfluidic technique for continuous-flow trapping and localized enrichment of micro- and nano-particles by using induced-charge electrokinetic (ICEK) phenomena.
Synthesis of porphyrin-based two-dimensional metal–organic framework nanodisk with small size and few layers
Authors: Zhao Yuewu , Jiang Ling , Shangguan Li , Mi Li , Liu Anran , Liu Songqin
Published: January 2018

A novel porphyrin-based two-dimensional metal–organic framework (MOF) nanodisk with small size and few layers was prepared by coordination chelation between meso-tetra(4-carboxyphenyl)porphine ligand and Zn(ii) paddlewheel metal nodes.
Barium carbonate as a synergistic catalyst for the H2O/CO2 reduction reaction at Ni–yttria stabilized zirconia cathodes for solid oxide electrolysis cells
Authors: Zheng Minghao , Wang Shuang , Yang Yi , Xia Changrong
Published: January 2018

BaCO3 is primarily demonstrated as an excellent synergistic catalyst for efficient electro-reduction of H2O/CO2 to H2/CO at the state-of-the-art Ni–YSZ cathodes for solid oxide electrolysis cells with YSZ electrolytes and strontium doped lanthanum manganite oxygen electrodes.
From dense blocking layers to different templated films in dye sensitized and perovskite solar cells: toward light transmittance management and efficiency enhancement
Authors: Amini Mina , Keshavarzi Reza , Mirkhani Valiollah , Moghadam Majid , Tangestaninejad Shahram , Mohammadpoor-Baltork Iraj , Sadegh Faranak
Published: January 2018

We tried to demonstrate the implications of employing different TiO2 templated films as blocking layers for improving the input light transmittance and efficiency of dye sensitized and perovskite solar cells.
Inkjet printing metals on flexible materials for plastic and paper electronics
Authors: Raut N. C. , Al-Shamery K.
Published: January 2018

Inorganic printed electronics is now recognized as an area of tremendous commercial potential and technical progress.
Broadband photoresponse based on a synergistic effect of surface ions and plasmon polaritons
Authors: Liu Yu , Yin Jun , Wang Pengfei , Zhu Jin-Lin , Ma Wanyun , Dong Zhanmin , Sun Jia-Lin
Published: January 2018

Composite ionic–electronic conductors display a broadband photoresponse based on a synergistic effect of surface ions and plasmon polaritons.
Blue versus yellow emission in bipolar fluorenone derivatives: the impact of aggregation and hydrogen bonding
Authors: Kukhta N. A. , Volyniuk D. , Grazulevicius J. V. , Sini G.
Published: January 2018

Fluorenone derivatives demonstrate bright blue emission instead of yellow due to the disruption of the intermolecular CO⋯HC (aromatic) hydrogen bonds.
Optical-NIR dust extinction towards Galactic O stars
Authors: Maíz Apellániz J. , Barbá R. H.
Published: January 2018

Context. O stars are excellent tracers of the intervening ISM because of their high luminosity, blue intrinsic SED, and relatively featureless spectra. We are currently conducting the Galactic O-Star Spectroscopic Survey (GOSSS), which is generating a large sample of O stars with accurate spectral types within several kpc of the Sun.

Aims. We aim to obtain a global picture of the properties of dust extinction in the solar neighborhood based on optical-NIR photometry of O stars with accurate spectral types.

Methods. We have processed a carefully selected photometric set with the CHORIZOS code to measure the amount [E(4405 − 5495)] and type [R5495] of extinction towards 562 O-type stellar systems. We have tested three different families of extinction laws and analyzed our results with the help of additional archival data.

Results. The Maíz Apellániz et al. (2014, A&A, 564, A63) family of extinction laws provides a better description of Galactic dust that either the Cardelli et al. (1989, ApJ, 345, 245) or Fitzpatrick (1999, PASP, 111, 63) families, so it should be preferentially used when analysing samples similar to the one in this paper. In many cases O stars and late-type stars experience similar amounts of extinction at similar distances but some O stars are located close to the molecular clouds left over from their births and have larger extinctions than the average for nearby late-type populations. In qualitative terms, O stars experience a more diverse extinction than late-type stars, as some are affected by the small-grain-size, low-R5495 effect of molecular clouds and others by the large-grain-size, high-R5495 effect of H II regions. Late-type stars experience a narrower range of grain sizes or R5495, as their extinction is predominantly caused by the average, diffuse ISM. We propose that the reason for the existence of large-grain-size, high-R5495 regions in the ISM in the form of H II regions and hot-gas bubbles is the selective destruction of small dust grains by EUV photons and possibly by thermal sputtering by atoms or ions.
Mapping the solar wind HI outflow velocity in the inner heliosphere by coronagraphic ultraviolet and visible-light observations
Authors: Dolei S. , Susino R. , Sasso C. , Bemporad A. , Andretta V. , Spadaro D. , Ventura R. , Antonucci E. , Abbo L. , Da Deppo V. , Fineschi S. , Focardi M. , Frassetto F. , Giordano S. , Landini F. , Naletto G. , Nicolini G. , Nicolosi P. , Pancrazzi M. , Romoli M. , Telloni D.
Published: January 2018

We investigated the capability of mapping the solar wind outflow velocity of neutral hydrogen atoms by using synergistic visible-light and ultraviolet observations. We used polarised brightness images acquired by the LASCO/SOHO and Mk3/MLSO coronagraphs, and synoptic Lyα line observations of the UVCS/SOHO spectrometer to obtain daily maps of solar wind H I outflow velocity between 1.5 and 4.0 R⊙ on the SOHO plane of the sky during a complete solar rotation (from 1997 June 1 to 1997 June 28). The 28-days data sequence allows us to construct coronal off-limb Carrington maps of the resulting velocities at different heliocentric distances to investigate the space and time evolution of the outflowing solar plasma. In addition, we performed a parameter space exploration in order to study the dependence of the derived outflow velocities on the physical quantities characterising the Lyα emitting process in the corona. Our results are important in anticipation of the future science with the Metis instrument, selected to be part of the Solar Orbiter scientific payload. It was conceived to carry out near-sun coronagraphy, performing for the first time simultaneous imaging in polarised visible-light and ultraviolet H I Lyα line, so providing an unprecedented view of the solar wind acceleration region in the inner corona.
High-precision broad-band linear polarimetry of early-type binaries
Authors: Berdyugin A. , Piirola V. , Sakanoi T. , Kagitani M. , Yoneda M.
Published: January 2018

Aim. To study the binary geometry of the classic Algol-type triple system λ Tau, we have searched for polarization variations over the orbital cycle of the inner semi-detached binary, arising from light scattering in the circumstellar material formed from ongoing mass transfer. Phase-locked polarization curves provide an independent estimate for the inclination i, orientation Ω, and the direction of the rotation for the inner orbit.

Methods. Linear polarization measurements of λ Tau in the B, V , and R passbands with the high-precision Dipol-2 polarimeter have been carried out. The data have been obtained on the 60 cm KVA (Observatory Roque de los Muchachos, La Palma, Spain) and Tohoku 60 cm (Haleakala, Hawaii, USA) remotely controlled telescopes over 69 observing nights. Analytic and numerical modelling codes are used to interpret the data.

Results. Optical polarimetry revealed small intrinsic polarization in λ Tau with ~0.05% peak-to-peak variation over the orbital period of 3.95 d. The variability pattern is typical for binary systems showing strong second harmonic of the orbital period. We apply a standard analytical method and our own light scattering models to derive parameters of the inner binary orbit from the fit to the observed variability of the normalized Stokes parameters. From the analytical method, the average for three passband values of orbit inclination i = 76° + 1°∕−2° and orientation Ω = 15°(195°) ± 2° are obtained. Scattering models give similar inclination values i = 72–76° and orbit orientation ranging from Ω = 16°(196°) to Ω = 19°(199°), depending on the geometry of the scattering cloud. The rotation of the inner system, as seen on the plane of the sky, is clockwise. We have found that with the scattering model the best fit is obtained for the scattering cloud located between the primary and the secondary, near the inner Lagrangian point or along the Roche lobe surface of the secondary facing the primary. The inclination i, inferred from polarimetry, agrees with the previously made conclusion on the semi-detached nature of the inner binary, whose secondary component is filling its Roche lobe. The non-periodic scatter, which is also present in the polarization data, can be interpreted as being due to sporadic changes in the mass transfer rate.
Response of vegetation to growing recreational pressure in the shallow Raczyńskie Lake
Authors: Rosińska Joanna , Gołdyn Ryszard
Published: January 2018

Strong human impact accelerates eutrophication which deteriorates water quality and consequently prevents recreational use. Increasing trophy and low transparency induce macrophyte rebuilding. A gradual transformation of the land use of the direct catchment area of Raczyńskie Lake from agricultural to recreational has been observed over the last 45 years. In built-up areas sewage facilities were inadequate and septic tanks did not work properly and as a consequence most wastewater was able to infiltrate through the ground into the lake. The lake ecosystem became unstable and water blooms intensified. The aim of the study was to assess the changes in the composition of the lake vegetation over the last 45 years, during which the use of the direct catchment has changed and recreational pressure increased. A reduction of the number of plant communities from 24 to 15 and the disappearance of almost all the submerged vegetation was observed. The dominant reed beds (Phragmitetum communis,Typhetum angustifoliae) were unable to provide a sufficient barrier to the flow of pollution from the catchment because of the numerous gaps made for angling piers, bathing sites, jetties, etc. The macrophyte index indicated a bad ecological status. To improve the ecological status of Raczyńskie Lake it is necessary to introduce intensive protection and restoration treatments.