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https://www.readbyqxmd.com/read/28523823/cost-benefit-analysis-of-controlling-the-spotted-wing-drosophila-drosophila-suzukii-matsumura-spread-and-infestation-of-soft-fruits-in-trentino-northern-italy
#1
Emanuele Del Fava, Claudio Ioriatti, Alessia Melegaro
BACKGROUND: We assessed the economic impact of the invasive pest Drosophila suzukii (Matsumura) on the soft fruit industry (strawberries, raspberries, blackberries, and blueberries) in Trentino, Northern Italy, using cost-benefit analysis. A conventional integrated pest management (IPM) based on insecticide, mass trapping and cultural measures is compared to an upgraded IPM strategy based on exclusion netting. Costs and benefits associated with the change between the two are estimated in order to evaluate the most profitable strategy from the societal point of view...
May 19, 2017: Pest Management Science
https://www.readbyqxmd.com/read/28520533/a-fully-automated-high-throughput-zebrafish-behavioral-ototoxicity-assay
#2
Douglas W Todd, Rohit C Philip, Maki Niihori, Ryan A Ringle, Kelsey R Coyle, Sobia F Zehri, Jordan A Mudery, Ross H Francis, Jeffrey J Rodriguez, Abraham Jacob
Zebrafish animal models lend themselves to behavioral assays that can facilitate rapid screening of ototoxic, otoprotective, and otoregenerative drugs. Structurally similar to human inner ear hair cells, the mechanosensory hair cells on their lateral line allow the zebrafish to sense water flow and orient head-to-current in a behavior called rheotaxis. This rheotaxis behavior deteriorates in a dose-dependent manner with increased exposure to the ototoxin cisplatin, thereby establishing itself as an excellent biomarker for anatomic damage to lateral line hair cells...
May 18, 2017: Zebrafish
https://www.readbyqxmd.com/read/28514726/retrospective-analysis-of-risk-factors-associated-with-kawasaki-disease-in-china
#3
Lihua Bai, Tienan Feng, Lifang Yang, Yi Zhang, Xuejuan Jiang, Jiayao Liao, Lihua Chen, Xiaoyan Feng, Yanming Rong, Yuehua Li, Zhiqiang Qin, Jing Qiao
In order to provide early intervention for coronary artery lesion (CAL) caused by Kawasaki Disease (KD), we analyzed clinical characteristics of typical and incomplete KD cases from 1998 to 2008 in Northwest and Central China. A total of 383 patients included 298 cases of typical KD and 85 cases of incomplete KD. The morbidity of incomplete KD was 28.5%, a percentage significantly lower than that of typical KD. The occurrence of bulbar conjunctiva congestion, erythra, crissum red, film-like decrustation, lip red, rhagades, raspberry tongue, bilateral toe-end decrustation, limb sclerosis, cervical lymph nodes enlargement, agitation and irritability in incomplete KD group was lower than that in the group of typical KD (p < 0...
April 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28509533/a-low-cost-label-free-biosensing-bimetallic-cellulose-strip-with-silar-synthesized-silver-core-gold-shell-nanoparticle-structures
#4
Wansun Kim, Jae-Chul Lee, Gi-Ja Lee, Hun-Kuk Park, Anbok Lee, Samjin Choi
We introduce a label-free biosensing cellulose strip sensor with surface-enhanced Raman spectroscopy (SERS)-encoded bimetallic core@shell nanoparticles. Bimetallic nanoparticles consisting of a synthesis of core Ag nanoparticles (AgNP) and a synthesis of shell gold nanoparticles (AuNPs) were fabricated on a cellulose substrate by two-stage successive ionic layer absorption and reaction (SILAR) techniques. The bimetallic nanoparticle-enhanced localized surface plasmon resonance (LSPR) effects were theoretically verified by computational calculations with finite element models of optimized bimetallic nanoparticles interacting with an incident laser source...
May 16, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28505086/raspberry-like-bismuth-oxychloride-on-mesoporous-siliceous-support-for-sensitive-electrochemical-stripping-analysis-of-cadmium
#5
Yiyan Song, Zhihui Xu, Xinyu Yu, Xueyan Shi, Huijun Jiang, Xiaoming Li, Yan Kong, Qin Xu, Jin Chen
BiOCl-SiO₂ KIT-6 composite materials with raspberry-like structures are facilely prepared under hydrothermal conditions. The mesoporous siliceous support of SiO₂ KIT-6-incorporated BiOCl with enlarged yet refined surface morphology characterized by physiochemical methods exhibits an improved electrochemical performance. A sensitive electrochemical detection method of cadmium concentration using square wave anodic stripping voltammetry was developed based on BiOCl-SiO₂ KIT-6 composite-modified glassy carbon electrodes, which displayed wide linear ranges of 0...
May 13, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28505078/intra-minute-cloud-passing-forecasting-based-on-a-low-cost-iot-sensor-a-solution-for-smoothing-the-output-power-of-pv-power-plants
#6
Primož Sukič, Gorazd Štumberger
Clouds moving at a high speed in front of the Sun can cause step changes in the output power of photovoltaic (PV) power plants, which can lead to voltage fluctuations and stability problems in the connected electricity networks. These effects can be reduced effectively by proper short-term cloud passing forecasting and suitable PV power plant output power control. This paper proposes a low-cost Internet of Things (IoT)-based solution for intra-minute cloud passing forecasting. The hardware consists of a Raspberry PI Model B 3 with a WiFi connection and an OmniVision OV5647 sensor with a mounted wide-angle lens, a circular polarizing (CPL) filter and a natural density (ND) filter...
May 13, 2017: Sensors
https://www.readbyqxmd.com/read/28504878/raspberry-like-nanostructured-silicon-composite-anode-for-high-performance-lithium-ion-batteries
#7
Shan Fang, Zhenkun Tong, Ping Nie, Gao Liu, Xiaogang Zhang
Adjusting the particle size and nanostructure or applying carbon materials as the coating layers are promising to hold the volume expansion of Si in order for its practical application in lithium ion batteries (LIBs). Herein, the mild carbon-coating combined with a molten salt reduction is precisely designed to synthesize a raspberry-like hollow Silicon spheres coated with carbon shells (HSi@C) as the anode materials for LIBs. The HSi@C exhibits a remarkable electrochemical performance, a high reversible specific capacity of 886...
May 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28503913/dual-fluorophore-raspberry-like-nanohybrids-for-ratiometric-ph-sensing
#8
Isaac Acquah, Jinkyu Roh, Dong June Ahn
We report on the development of raspberry-like silica structures formed by the adsorption of 8-hydroxypyrene-1,3,6-trisulfonate (HPTS)@silica nanoparticles (NPs) on rhodamine B isothiocyanate (RBTIC)@silica NPs for ratiometric fluorescence-based pH sensing. To overcome the well-known problem of dye leaching which occurs during encapsulation of anionic HPTS dye in silica NPs, we utilized a polyelectrolyte-assisted incorporation of the anionic HPTS. The morphological and optical characterization of the as-synthesized dye-doped NPs and the resulting nanohybrids were carried out...
May 14, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/28497827/a-dsdna-model-optimized-for-electrokinetic-applications
#9
Tobias Rau, Florian Weik, Christian Holm
We present a coarse-grained (CG) model of a charged double-stranded DNA immersed in an electrolyte solution that can be used for a variety of electrokinetic applications. The model is based on an earlier rigid and immobile model of Weik et al. and includes now semi-flexibility and mobility, so that DNA dynamics can be sufficiently captured to simulate a full nanopore translocation process. To this end we couple the DNA hydrodynamically via a raspberry approach to a lattice-Boltzmann fluid and parametrize the counterions with a distant dependent friction...
May 12, 2017: Soft Matter
https://www.readbyqxmd.com/read/28489036/gryphsens-a-smartphone-based-portable-diagnostic-reader-for-the-rapid-detection-of-progesterone-in-milk
#10
Hyunwook Jang, Syed Rahin Ahmed, Suresh Neethirajan
Enzyme-linked immunosorbent assay (ELISA) is a popular assay technique for the detection and quantification of various biological substances due its high sensitivity and specificity. More often, it requires large and expensive laboratory instruments, which makes it difficult to conduct when the tests must be performed quickly at the point-of-care (POC). To increase portability and ease of use, we propose a portable diagnostic system based on a Raspberry Pi imaging sensor for the rapid detection of progesterone in milk samples...
May 10, 2017: Sensors
https://www.readbyqxmd.com/read/28486139/synthesis-and-characterization-of-polyaniline-silica-composites-raspberry-vs-core-shell-structures-where-do-we-stand
#11
Nicolas Roosz, Myriam Euvard, Boris Lakard, Cédric C Buron, Nicolas Martin, Lydie Viau
The synthesis of polyaniline-silica composites has been reinvestigated in view of the opposing results found in the literature. Firstly, we synthesized silica particles with tunable size using the Stöber process. These silica particles have been fully characterized before being used as solid support for the polymerization of aniline. This polymerization was performed according to a published procedure where the pH of the reaction mixture was below the pKa of aniline but at a value where the silica particles surface was still slightly negatively charged...
April 29, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28476590/automating-mouse-weighing-in-group-homecages-with-raspberry-pi-micro-computers
#12
Omid Noorshams, Jamie D Boyd, Timothy H Murphy
BACKGROUND: Operant training systems make use of water or food restriction and make it necessary to weigh animals to ensure compliance with experimental endpoints. In other applications periodic weighing is necessary to assess drug side-effects, or as an endpoint in feeding experiments. Periodic weighing while essential can disrupt animal circadian rhythms and social structure. NEW METHOD: Automatic weighing system within paired mouse homecages. Up to 10 mice freely move between two cages (28×18×9cm) which were connected by a weighing chamber mounted on a load cell...
May 3, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28468313/a-novel-certificateless-signature-scheme-for-smart-objects-in-the-internet-of-things
#13
Kuo-Hui Yeh, Chunhua Su, Kim-Kwang Raymond Choo, Wayne Chiu
Rapid advances in wireless communications and pervasive computing technologies have resulted in increasing interest and popularity of Internet-of-Things (IoT) architecture, ubiquitously providing intelligence and convenience to our daily life. In IoT-based network environments, smart objects are embedded everywhere as ubiquitous things connected in a pervasive manner. Ensuring security for interactions between these smart things is significantly more important, and a topic of ongoing interest. In this paper, we present a certificateless signature scheme for smart objects in IoT-based pervasive computing environments...
May 1, 2017: Sensors
https://www.readbyqxmd.com/read/28458189/synthetic-biology-stretching-the-realms-of-possibility-in-wine-yeast-research
#14
REVIEW
Umesh B Jagtap, Jyoti P Jadhav, Vishwas A Bapat, Isak S Pretorius
It took several millennia to fully understand the scientific intricacies of the process through which grape juice is turned into wine. This yeast-driven fermentation process is still being perfected and advanced today. Motivated by ever-changing consumer preferences and the belief that the 'best' wine is yet to be made, numerous approaches are being pursued to improve the process of yeast fermentation and the quality of wine. Central to recent enhancements in winemaking processes and wine quality is the development of Saccharomyces cerevisiae yeast strains with improved robustness, fermentation efficiencies and sensory properties...
April 20, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28444365/evaluation-of-attractants-for-monitoring-drosophila-suzukii-diptera-drosophilidae
#15
Andrew J Frewin, Justin Renkema, Hannah Fraser, Rebecca H Hallett
Drosophila suzukii Matsumura is an economically important pest of soft and small fruit crops. Unlike other drosophilid flies, D. suzukii is capable of infesting ripe and partially ripe fruit, which poses a significant pest management challenge, as there is no tolerance for infested or damaged fruit in the marketplace. As a result, producers in many regions rely on calendar-scheduled insecticide applications for D. suzukii management. In order to develop an integrated pest management approach, better tools for monitoring adult fly populations are needed...
April 21, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28441719/suppression-of-oxidative-stress-and-nf%C3%AE%C2%BAb-mapk-signaling-by-lyophilized-black-raspberries-for-esophageal-cancer-prevention-in-rats
#16
Ni Shi, Fang Chen, Xiaoli Zhang, Steven K Clinton, Xiaofei Tang, Zheng Sun, Tong Chen
Research in the laboratory has shown that lyophilized black raspberries (BRB) significantly inhibit N-nitrosomethylbenzylamine (NMBA)-induced esophageal squamous cell carcinogenesis in rats. The objective of the present study is to characterize the underlying mechanism(s) of anti-cancer action of BRB in this preclinical animal model focusing on oxidative stress and its related oncogenic signaling pathways. Esophageal epithelial tissues were collected and assessed for markers of oxidative stress and nuclear factor κB (NFκB) and mitogen-activated protein kinase (MAPK)...
April 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28437712/raspberry-pomace-alters-cecal-microbial-activity-and-reduces-secondary-bile-acids-in-rats-fed-a-high-fat-diet
#17
Bartosz Fotschki, Jerzy Juśkiewicz, Adam Jurgoński, Neil Rigby, Michał Sójka, Krzysztof Kołodziejczyk, Alan Mackie, Zenon Zduńczyk
The profile of bile acids (BA) largely depends on the enzymatic activity of the microbiota, but this can be modulated by the dietary addition of biologically active compounds, e.g., polyphenols and polyunsaturated fatty acids. The aim of this study was to examine the effect of dietary raspberry pomace as a rich source of biologically active compounds on microbial activity and the BA profile in the caecum of rats fed a high-fat diet. Wistar rats were fed the standard diet AIN-93, a high-fat diet or a modified high-fat diet enriched with 7% different types of processed raspberry pomaces produced by standard grinding and fine grinding, with or without seeds...
April 7, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28426077/robust-raspberry-like-metallo-dielectric-nanoclusters-of-critical-sizes-as-sers-substrates
#18
A Le Beulze, S Gomez-Graña, H Gehan, S Mornet, S Ravaine, M Correa-Duarte, L Guerrini, R A Alvarez-Puebla, E Duguet, E Pertreux, A Crut, P Maioli, F Vallée, N Del Fatti, O Ersen, M Treguer-Delapierre
Raspberry-like nano-objects made of large plasmonic satellites (>10 nm) covering a central dielectric particle have many potential applications as photonic materials, superlenses and (bio-) sensors, but their synthesis remains challenging. Herein, we show how to build stable and robust raspberry-like nano-systems with close-packed satellites, by combining monodisperse silica particles (80 or 100 nm diameter) and oppositely charged noble metal nanoparticles (Au or Ag) with well-defined sizes (10-50 nm). The spectral characteristics of their associated plasmonic resonances (wavelength, linewidth, extinction cross-section) and the electromagnetic coupling between satellites were observed using the spatial modulation spectroscopy technique and interpreted through a numerical model...
May 4, 2017: Nanoscale
https://www.readbyqxmd.com/read/28424530/molecular-diagnostic-assays-based-on-cpn60-ut-sequences-reveal-the-geographic-distribution-of-subgroup-16srxiii-a-i-i-phytoplasma-in-mexico
#19
Edel Pérez-López, Douglas Rodríguez-Martínez, Chrystel Y Olivier, Mauricio Luna-Rodríguez, Tim J Dumonceaux
Geographically diverse samples from strawberry exhibiting symptoms of Strawberry Green Petal (SbGP), periwinkle plants with virescence, and blackberry, blueberry, and raspberry plants displaying yellowing and inedible fruits, were assayed for the presence of phytoplasma DNA. PCR targeting the 16S rRNA-encoding gene and chaperonin-60 (cpn60) showed that the plants were infected with phytoplasma subgroup16SrXIII-(A/I)I (SbGP/MPV). To examine the geographic distribution of this pathogen in Mexico, we designed an array of cpn60-targeted molecular diagnostic assays for SbGP/MPV phytoplasma...
April 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28396802/a-portable-inexpensive-nonmydriatic-fundus-camera-based-on-the-raspberry-pi%C3%A2-computer
#20
Bailey Y Shen, Shizuo Mukai
Purpose. Nonmydriatic fundus cameras allow retinal photography without pharmacologic dilation of the pupil. However, currently available nonmydriatic fundus cameras are bulky, not portable, and expensive. Taking advantage of recent advances in mobile technology, we sought to create a nonmydriatic fundus camera that was affordable and could be carried in a white coat pocket. Methods. We built a point-and-shoot prototype camera using a Raspberry Pi computer, an infrared-sensitive camera board, a dual infrared and white light light-emitting diode, a battery, a 5-inch touchscreen liquid crystal display, and a disposable 20-diopter condensing lens...
2017: Journal of Ophthalmology
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