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https://www.readbyqxmd.com/read/29352393/eco-friendly-pheromone-dispensers-a-green-route-to-manage-the-european-grapevine-moth
#1
Andrea Lucchi, Edith Ladurner, Andrea Iodice, Francesco Savino, Renato Ricciardi, Francesca Cosci, Giuseppe Conte, Giovanni Benelli
The development of environmentally sustainable control strategies to fight insect pests is a key challenge nowadays. Pheromone-mediated mating disruption (MD) is based on the release of synthetic sex attractants into a crop, interfering with mate finding of a given pest species. However, a limited number of research items have been published on the optimization of MD strategies against the European grapevine moth, Lobesia botrana, as well as on the use of biodegradable dispensers to reduce waste production in vineyards, despite the high economic importance of this pest...
January 19, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29352371/innate-and-adaptive-t-cells-in-influenza-disease
#2
REVIEW
Simone Nüssing, Sneha Sant, Marios Koutsakos, Kanta Subbarao, Thi H O Nguyen, Katherine Kedzierska
Influenza is a major global health problem, causing infections of the respiratory tract, often leading to acute pneumonia, life-threatening complications and even deaths. Over the last seven decades, vaccination strategies have been utilized to protect people from complications of influenza, especially groups at high risk of severe disease. While current vaccination regimens elicit strain-specific antibody responses, they fail to generate cross-protection against seasonal, pandemic and avian viruses. Moreover, vaccines designed to generate influenza-specific T-cell responses are yet to be optimized...
January 20, 2018: Frontiers of Medicine
https://www.readbyqxmd.com/read/29352231/the-direction-of-tumour-growth-in-glioblastoma-patients
#3
Morteza Esmaeili, Anne Line Stensjøen, Erik Magnus Berntsen, Ole Solheim, Ingerid Reinertsen
Generating MR-derived growth pattern models for glioblastoma multiforme (GBM) has been an attractive approach in neuro-oncology, suggesting a distinct pattern of lesion spread with a tendency in growing along the white matter (WM) fibre direction for the invasive component. However, the direction of growth is not much studied in vivo. In this study, we sought to study the dominant directions of tumour expansion/shrinkage pre-treatment. We examined fifty-six GBMs at two time-points: at radiological diagnosis and as part of the pre-operative planning, both with contrast-enhanced T1-weighted MRIs...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352132/design-of-non-equiatomic-medium-entropy-alloys
#4
Yang Zhou, Dong Zhou, Xi Jin, Lu Zhang, Xingyu Du, Bangsheng Li
High-entropy alloys have attracted much attention due to their unique microstructures and excellent properties. Since their invention more than ten years ago, research attention has been mainly focused on the study of multicomponent alloys with equiatomic or near-equiatomic compositions. Here we propose a novel design of non-equiatomic medium-entropy alloys that contain one matrix element and several equiatomic alloying elements. To verify the utility of this new design, a series of Co-free Fex(CrNiAl)100-x (at...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352086/temporal-and-spatial-distribution-of-the-acetic-acid-bacteria-communities-throughout-the-wooden-casks-used-for-the-fermentation-and-maturation-of-lambic-beer-underlines-their-functional-role
#5
J De Roos, M Verce, M Aerts, P Vandamme, L De Vuyst
Few data have been published on the occurrence and functional role of acetic acid bacteria (AAB) in lambic beer production processes, mainly due to their difficult recovery and possibly unknown role. Therefore, a novel aseptic sampling method, spanning both the spatial and temporal distribution of AAB and their substrates and metabolites, was combined with a highly selective medium and matrix-assisted laser desorption time-of-flight mass spectrometry (MALDI TOF MS) as a high-throughput dereplication method followed by comparative gene sequencing for their isolation and identification, respectively...
January 19, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29351815/ready-to-use-protein-g-conjugated-gold-nanorods-for-biosensing-and-biomedical-applications
#6
S Centi, F Ratto, F Tatini, S Lai, R Pini
BACKGROUND: Gold nanorods (GNRs) display unique capacity to absorb and scatter near infrared light, which arises from their peculiar composition of surface plasmon resonances. For this reason, GNRs have become an innovative material of great hope in nanomedicine, in particular for imaging and therapy of cancer, as well as in photonic sensing of biological agents and toxic compounds for e.g. biomedical diagnostics, forensic analysis and environmental monitoring. As the use of GNRs is becoming more and more popular, in all these contexts, there is emerging a latent need for simple and versatile protocols for their modification with targeting units that may convey high specificity for any analyte of interest of an end-user...
January 19, 2018: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/29351796/the-jun-mir-22-hur-regulatory-axis-contributes-to-tumourigenesis-in-colorectal-cancer
#7
Yanqing Liu, Xiaorui Chen, Rongjie Cheng, Fei Yang, Mengchao Yu, Chen Wang, Shufang Cui, Yeting Hong, Hongwei Liang, Minghui Liu, Chihao Zhao, Meng Ding, Wu Sun, Zhijian Liu, Feng Sun, Chenyu Zhang, Zhen Zhou, Xiaohong Jiang, Xi Chen
BACKGROUND: Colorectal cancer (CRC) is a severe health problem worldwide. Clarifying the mechanisms for the deregulation of oncogenes and tumour suppressors in CRC is vital for its diagnosis, treatment, prognosis and prevention. Hu antigen R (HuR), which is highly upregulated in CRC, functions as a pivotal oncogene to promote CRC progression. However, the underlying cause of its dysregulation is poorly understood. METHODS: In CRC tissue sample pairs, HuR protein levels were measured by Western blot and immunohistochemical (IHC) staining, respectively...
January 19, 2018: Molecular Cancer
https://www.readbyqxmd.com/read/29351373/a-facile-space-confined-solid-phase-sulfurization-strategy-for-growth-of-high-quality-ultrathin-molybdenum-disulfide-single-crystals
#8
Dawei Li, Zhiyong Xiao, Sai Mu, Fei Wang, Ying Liu, Jingfeng Song, Xi Huang, Lijia Jiang, Jun Xiao, Lei Liu, Stephen Ducharme, Bai Cui, Xia Hong, Lan Jiang, Jean-Francois Silvain, Yongfeng Lu
Single-crystal transition metal dichalcogenides (TMDs) and TMD-based hetero-junctions have recently attracted significant research and industrial interest owing to their intriguing optical and electrical properties. However, the lack of a simple, low-cost, environmentally friendly, synthetic method and a poor understanding of the growth mechanism post a huge challenge to implementing TMDs in practical applications. In this work, we developed a novel approach for direct formation of high-quality, monolayer and few-layer MoS2 single crystal domains via a single-step rapid thermal processing of a sandwiched reactor with sulfur and molybdenum (Mo) film in a confined reaction space...
January 19, 2018: Nano Letters
https://www.readbyqxmd.com/read/29351350/visualized-analysis-of-developing-trends-and-hot-topics-in-natural-disaster-research
#9
Shi Shen, Changxiu Cheng, Jing Yang, Shanli Yang
This study visualized and analyzed the developing trends and hot topics in natural disaster research. 19694 natural disaster-related articles (January 1900 to June 2015) are indexed in the Web of Science database. The first step in this study is using complex networks to visualize and analyze these articles. CiteSpace and Gephi were employed to generate a countries collaboration network and a disciplines collaboration network, and then attached hot topics to countries and disciplines, respectively. The results show that USA, China, and Italy are the three major contributors to natural disaster research...
2018: PloS One
https://www.readbyqxmd.com/read/29351229/joint-bearing-and-range-estimation-of-multiple-objects-from-time-frequency-analysis
#10
Jeng-Cheng Liu, Yuang-Tung Cheng, Hsien-Sen Hung
Direction-of-arrival (DOA) and range estimation is an important issue of sonar signal processing. In this paper, a novel approach using Hilbert-Huang transform (HHT) is proposed for joint bearing and range estimation of multiple targets based on a uniform linear array (ULA) of hydrophones. The structure of this ULA based on micro-electro-mechanical systems (MEMS) technology, and thus has attractive features of small size, high sensitivity and low cost, and is suitable for Autonomous Underwater Vehicle (AUV) operations...
January 19, 2018: Sensors
https://www.readbyqxmd.com/read/29351214/synthesis-and-evaluation-of-the-antioxidant-activity-of-lipophilic-phenethyl-trifluoroacetate-esters-by-in-vitro-abts-dpph-and-in-cell-culture-dcf-assays
#11
Roberta Bernini, Maurizio Barontini, Valentina Cis, Isabella Carastro, Daniela Tofani, Rosa Anna Chiodo, Paolo Lupattelli, Sandra Incerpi
Polyphenols are natural compounds showing a variety of health-promoting effects. Unfortunately, due to low lipid solubility, their applications in the pharmaceutical, food, and cosmetic industries are limited. With the aim of obtaining novel lipophilic derivatives, the present study reports the synthesis of a series of phenethyl trifluoroacetate esters containing up to two hydroxyl groups in the aromatic ring. Experimental logP values confirmed a greater lipophilicity of the novel compounds compared to the parent compounds...
January 19, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29351064/molecular-target-analysis-of-stearoyl-coa-desaturase-genes-of-protozoan-parasites
#12
He Lu, Xin Qin, Jing Zhang, Shuang Zhang, Yu Zhu, Wei Hua Wu
Protozoan parasites can synthesize polyunsaturated fatty acids. They possess stearoyl-CoA desaturase to convert stearate into oleate and linoleate. Stearoyl-CoA desaturase are the key enzymes required for the synthesis of unsaturated fatty acids. It seems attractive to evaluate the possibility of using unsaturated fatty acid biosynthesis pathways as drug targets. In this study, the authors investigate codon usage bias, base composition variations and protein sequence in ten available complete stearoyl-CoA desaturase gene sequences from Toxoplasma gondii, Neospora caninum etc...
March 26, 2018: Acta Parasitologica
https://www.readbyqxmd.com/read/29351019/keystone-individuals-alter-ecological-and-evolutionary-consumer-resource-dynamics
#13
Denon Start
Intraspecific variation is central to our understanding of evolution and ecology, but these fields generally consider either the mean trait value or its variance. Alternatively, the keystone individual concept from behavioral ecology posits that a single individual with an extreme phenotype can have disproportionate and irreplaceable effects on group dynamics. Here, I generalize this concept to include nonbehavioral traits and broader ecological and evolutionary dynamics. I test for the effects of individuals with extreme phenotypes on the ecology and evolution of a gall-forming fly and its natural enemies that select for opposite gall sizes...
February 2018: American Naturalist
https://www.readbyqxmd.com/read/29350971/rating-nasolabial-aesthetics-in-unilateral-cleft-lip-and-palate-patients-cropped-versus-full-face-images
#14
Roderic M F Schwirtz, Frans J Mulder, David G M Mosmuller, Robin A Tan, Thomas J Maal, Charlotte Prahl, Henrica C W de Vet, J Peter W Don Griot
OBJECTIVE: To determine if cropping facial images affects nasolabial aesthetics assessments in unilateral cleft lip patients and to evaluate the effect of facial attractiveness on nasolabial evaluation. DESIGN: Two cleft surgeons and one cleft orthodontist assessed standardized frontal photographs 4 times; nasolabial aesthetics were rated on cropped and full-face images using the Cleft Aesthetic Rating Scale, and total facial attractiveness was rated on full-face images with and without the nasolabial area blurred using a 5-point Likert scale...
January 1, 2018: Cleft Palate-craniofacial Journal
https://www.readbyqxmd.com/read/29350950/local-melting-attracts-grain-boundaries-in-colloidal-polycrystals
#15
Caitlin E Cash, Jeremy Wang, Maya M Martirossyan, B Kemper Ludlow, Alejandro E Baptista, Nina M Brown, Eli J Weissler, Jatin Abacousnac, Sharon J Gerbode
We find that laser-induced local melting attracts and deforms grain boundaries in 2D colloidal crystals. When a melted region in contact with the edge of a crystal grain recrystallizes, it deforms the grain boundary-this attraction is driven by the multiplicity of deformed grain boundary configurations. Furthermore, the attraction provides a method to fabricate artificial colloidal crystal grains of arbitrary shape, enabling new experimental studies of grain boundary dynamics and ultimately hinting at a novel approach for fabricating materials with designer microstructures...
January 5, 2018: Physical Review Letters
https://www.readbyqxmd.com/read/29350741/hybrid-nanowires-and-nanoparticles-of-wo3-in-a-carbon-aerogel-for-supercapacitor-applications
#16
Xudong Liu, Guangmin Sheng, Minglong Zhong, Xiuwen Zhou
In the field of electrochemical energy storage, incorporation of metal oxides into porous carbon has attracted significant attention. Since each advantage of nanoparticles and nanowires of metal oxide has been distinguished for supercapacitor applications, a combination of the advantages of both structures together can meet a capacitive synergy. In this study, WO3 nanowires and nanoparticles were first incorporated into a carbon aerogel (CA) simultaneously via a facile and one-pot route. A comparative study on the capacitive properties of this novel hybrid structure and single nanoparticles in CA was conducted...
January 19, 2018: Nanoscale
https://www.readbyqxmd.com/read/29350732/complete-amplitude-and-phase-control-of-light-using-broadband-holographic-metasurfaces
#17
Gun-Yeal Lee, Gwanho Yoon, Seung-Yeol Lee, Hansik Yun, Jaebum Cho, Kyookeun Lee, Hwi Kim, Junsuk Rho, Byoungho Lee
Reconstruction of light profiles with amplitude and phase information, called holography, is an attractive optical technology with various significant applications such as three-dimensional imaging and optical data storage. Subwavelength spatial control of both amplitude and phase of light is an essential requirement for an ideal hologram. However, traditional holographic devices suffer from their restricted capabilities of incomplete modulation in both amplitude and phase of visible light; this results in sacrifice of optical information and undesirable occurrences of critical noises in holographic images...
January 19, 2018: Nanoscale
https://www.readbyqxmd.com/read/29350725/effects-of-chemically-heterogeneous-nanoparticles-on-polymer-dynamics-insights-from-molecular-dynamics-simulations
#18
Zijian Zheng, Fanzhu Li, Jun Liu, Raffaele Pastore, Guido Raos, Youping Wu, Liqun Zhang
The dispersion of solid nanoparticles within polymeric materials is widely used to enhance their performance. Many scientific and technological aspects of the resulting polymer nanocomposites have been studied, but the role of the structural and chemical heterogeneity of the nanoparticles has just started to be appreciated. For example, simulations of polymer films on planar heterogeneous surfaces revealed unexpected, non-monotonic activation energy to diffusion on varying the surface composition. Motivated by these intriguing results, here we simulate via molecular dynamics a different, fully three-dimensional system, in which the heterogeneous nanoparticles are incorporated in a polymer melt...
January 19, 2018: Soft Matter
https://www.readbyqxmd.com/read/29350724/effects-of-point-defects-on-the-magnetoelectronic-structures-of-mxenes-from-first-principles
#19
Arkamita Bandyopadhyay, Dibyajyoti Ghosh, Swapan K Pati
"MXene", a new class of two dimensional materials, has attracted considerable research interest due to its unusual chemical bonding pattern as well as promising technological applications. Like other 2D materials, very recently, these classes of materials were also found to be prone to structural defects, thus altering the electronic and transport properties of the host. Using extensive first-principles based simulations, we investigated the structural and magnetoelectronic (i.e., magnetic and electronic) behaviour of the most probable point defects in these MXene systems, such as single vacancies and Schottky type double vacancies...
January 19, 2018: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/29350563/dietary-advanced-glycosylation-end-products-dages-and-melanoidins-formed-through-maillard-reaction-physiological-consequences-of-their-intake
#20
Cristina Delgado-Andrade, Vincenzo Fogliano
The main purpose of this review is to clarify whether the consumption of food rich in melanoidins and dietary advanced glycosylation end-products (dAGEs) are harmful or beneficial for human health. There are conflicting results on their harmful effects in the literature, partly due to a methodological issue in how dAGEs are determined in food. Melanoidins have positive functions particularly within the gastrointestinal tract, whereas the intake of dAGEs has controversial physiological consequences. Most of the in vivo intervention trials were done comparing boiled versus roasted diet (low and high dAGE, respectively)...
January 18, 2018: Annual Review of Food Science and Technology
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