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https://www.readbyqxmd.com/read/28444365/evaluation-of-attractants-for-monitoring-drosophila-suzukii-diptera-drosophilidae
#1
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
#2
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
#3
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
#4
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...
April 20, 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
#5
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
#6
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
https://www.readbyqxmd.com/read/28378858/raspberry-ketone-fails-to-reduce-adiposity-beyond-decreasing-food-intake-in-c57bl-6-mice-fed-a-high-fat-diet
#7
Bradley M Cotten, Stephanie A Diamond, Taylor Banh, Yung-Hsuan Hsiao, Rachel M Cole, Jinhui Li, Christopher T Simons, Richard S Bruno, Martha A Belury, Yael Vodovotz
As the incidence of obesity continues to increase, identifying novel nutritional therapies to enhance weight loss are needed. Raspberry ketone (RK; 4-(4-hydroxyphenyl) butan-2-one) is a bioactive phytochemical that is marketed as a weight loss supplement in the United States, yet there is scant scientific evidence demonstrating that RK promotes weight loss. The aim of the current study was to investigate the effect of RK on accumulation of adipose mass, hepatic lipid storage, and levels of plasma adiponectin in mice fed a high-fat (HF) diet...
April 19, 2017: Food & Function
https://www.readbyqxmd.com/read/28353394/lc-ms-ms-determination-of-pesticide-residues-in-fruits-and-vegetables
#8
Anna Stachniuk, Agnieszka Szmagara, Renata Czeczko, Emilia Fornal
The aim of the research is to evaluate pesticide residue contamination of fresh and frozen fruits and vegetables, agricultural raw material, purchased from Polish farmers for production of frozen fruits and vegetables, and the estimation of the multiresidue method effectiveness expressed as the proportion of pesticides detected in food samples to the total number of pesticides analyzed by multiresidue methods. A total of 144 samples (of black currants, red currants, raspberries, cherries, strawberries, blackberries, cauliflowers and broccoli) were analyzed using LC-MS/MS method for the determination of 60 pesticides...
March 29, 2017: Journal of Environmental Science and Health. Part. B, Pesticides, Food Contaminants, and Agricultural Wastes
https://www.readbyqxmd.com/read/28334362/development-of-an-attract-and-kill-strategy-for-drosophila-suzukii-diptera-drosophilidae-evaluation-of-attracticidal-spheres-under-laboratory-and-field-conditions
#9
Kevin B Rice, Brent D Short, Tracy C Leskey
Drosophila suzukii Matsumura (Diptera: Drosophilidae) is an invasive, polyphagous fruit fly that attacks soft-skinned fruits. Originally from Asia, D. suzukii has successfully invaded the United States and the European and South American countries. At present, calendar-based insecticide applications are used to combat D. suzukii. Here, we evaluate a behaviorally based attract-and-kill management technique using attracticidal spheres to reduce D. suzukii infestations in raspberries. In laboratory bioassays aimed at identifying effective toxicants, attracticidal spheres containing dinotefuran at 1...
April 1, 2017: Journal of Economic Entomology
https://www.readbyqxmd.com/read/28325023/an-affordable-cuff-less-blood-pressure-estimation-solution
#10
Monika Jain, Niranjan Kumar, Sujay Deb
This paper presents a cuff-less hypertension pre-screening device that non-invasively monitors the Blood Pressure (BP) and Heart Rate (HR) continuously. The proposed device simultaneously records two clinically significant and highly correlated biomedical signals, viz., Electrocardiogram (ECG) and Photoplethysmogram (PPG). The device provides a common data acquisition platform that can interface with PC/laptop, Smart phone/tablet and Raspberry-pi etc. The hardware stores and processes the recorded ECG and PPG in order to extract the real-time BP and HR using kernel regression approach...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28320208/fresh-cheese-as-a-vehicle-for-polyunsaturated-fatty-acids-integration-effect-on-physico-chemical-microbiological-and-sensory-characteristics
#11
Barbara Dal Bello, Luisa Torri, Maria Piochi, Marta Bertolino, Giuseppe Zeppa
Five different vegetable oils were used in the production of fresh cheese to increase the concentration of polyunsaturated fatty acids (PUFAs), particularly α-linolenic acid (ALA), the most important omega-3 fatty acid of vegetable origin. Physico-chemical and microbiological characteristics of functionalized cheeses were evaluated after 1 and 3 days of ripening at 4 °C while the consumer appreciation was evaluated in the final product at 3 days of ripening. After 3 days, the cheeses with Camelina sativa and Echium plantagineum oils added exhibited the highest retention of PUFAs (mostly ALA) compared to those with flaxseed, raspberry and blackcurrant oils...
March 20, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28301143/ellagitannins-from-rubus-idaeus-l-exert-geno-and-cytotoxic-effects-against-human-colon-adenocarcinoma-cell-line-caco-2
#12
Adriana Nowak, Michał Sójka, Elżbieta Klewicka, Lidia Lipińska, Robert Klewicki, Krzysztof Kołodziejczyk
Ellagitannins possess several biological activities, including anticancer properties. The goal of the present study was to investigate the cyto- and genotoxic activities of a red raspberry ellagitannin preparation (REP) in the concentration range of 2.5-160 μg/mL, as well as that of the main individual raspberry ellagitannins, sanguiin H-6 (SH-6, 12.8-256 μM) and lambertianin C (LC, 9.3-378 μM), against human colon adenocarcinoma cell line Caco-2. The ellagitannin concentrations used in the study correspond to those found in foodstuffs containing raspberry fruit...
March 28, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28277667/water-absorption-behavior-of-polystyrene-particles-prepared-by-emulsion-polymerization-with-nonionic-emulsifiers-and-innovative-easy-synthesis-of-hollow-particles
#13
Masayoshi Okubo, Hiroshi Kobayashi, Chujuan Huang, Eri Miyanaga, Toyoko Suzuki
Submicrometer-sized raspberry-like polystyrene (PS) particles, which were prepared by emulsion polymerization with polyoxyethylene nonylphenyl ether nonionic emulsifier (Emulgen 910, HLB 12.2) and potassium persulfate initiator, contained 8.5 vol % (relative to the particle) of water and 5.5 wt % (relative to PS) of Emulgen 910 in the inside. The water absorption decreased the glass transition temperature of the PS particles dispersed in an aqueous medium. The wt % (relative to PS) of the incorporated Emulgen 910 increased with increasing initial Emulgen 910 concentration in the emulsion polymerization, but the wt % (relative to the total Emulgen 910 used) of the incorporated Emulgen 910 was constant at approximately 50% independent of the initial concentration...
March 31, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28274436/red-raspberry-rubus-idaeus-l-intake-decreases-oxidative-stress-in-obese-diabetic-db-db-mice
#14
Giuliana D Noratto, Boon P Chew, Liezl M Atienza
Red raspberry fruit intake was investigated on obese diabetic (db/db) mice for 8weeks. Animals fed isocaloric diets (5.3% freeze-dried raspberry, or control) were assessed for obesity-diabetes-disease risk biomarkers. Results showed that raspberry intake improved antioxidant status and lessened plasma interleukin (IL)-6 (0.3-fold of control, p<0.1); most likely through enhancing glutathione peroxidase (GPx) activity in liver (4.3-fold of control), and in blood (2.1-fold of control). Other disease-risk biomarkers were similar between groups (p>0...
July 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28273855/integration-of-traditional-and-metabolomics-biomarkers-identifies-prognostic-metabolites-for-predicting-responsiveness-to-nutritional-intervention-against-oxidative-stress-and-inflammation
#15
You Jin Kim, Iksoo Huh, Ji Yeon Kim, Saejong Park, Sung Ha Ryu, Kyu-Bong Kim, Suhkmann Kim, Taesung Park, Oran Kwon
Various statistical approaches can be applied to integrate traditional and omics biomarkers, allowing the discovery of prognostic markers to classify subjects into poor and good prognosis groups in terms of responses to nutritional interventions. Here, we performed a prototype study to identify metabolites that predict responses to an intervention against oxidative stress and inflammation, using a data set from a randomized controlled trial evaluating Korean black raspberry (KBR) in sedentary overweight/obese subjects...
March 4, 2017: Nutrients
https://www.readbyqxmd.com/read/28272923/inactivation-of-listeria-monocytogenes-on-frozen-red-raspberries-by-using-uv-c-light
#16
Yen-Te Liao, Roopesh M Syamaladevi, Hongchao Zhang, Karen Killinger, Shyam Sablani
In this study, the efficacy of UV-C treatment was determined on the reduction of foodborne pathogens on artificially contaminated frozen food surfaces. At first, the UV-C inactivation rates on 100 μl of the respective cocktails of Escherichia coli O157:H7, Salmonella , and Listeria monocytogenes covered underneath 0.5-cm-thick ice were examined. Simultaneously, the energy percentage of UV-C transmitted through the ice was determined. The experiments showed that more than 65% of the UV-C light energy passed through the ice and that UV-C susceptibility was in the descending order of E...
March 8, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28268692/toward-a-low-cost-gait-analysis-system-for-clinical-and-free-living-assessment
#17
Cassim Ladha, Silvia Del Din, Kianoush Nazarpour, Aodhan Hickey, Rosie Morris, Michael Catt, Lynn Rochester, Alan Godfrey
Gait is an important clinical assessment tool since changes in gait may reflect changes in general health. Measurement of gait is a complex process which has been restricted to bespoke clinical facilities until recently. The use of inexpensive wearable technologies is an attractive alternative and offers the potential to assess gait in any environment. In this paper we present the development of a low cost analysis gait system built using entirely open source components. The system is used to capture spatio-temporal gait characteristics derived from an existing conceptual model, sensitive to ageing and neurodegenerative pathology (e...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268361/robust-estimation-of-simulated-urinary-volume-from-camera-images-under-bathroom-illumination
#18
Chizuru Honda, Md Shoaib Bhuiyan, Haruki Kawanaka, Eiichi Watanabe, Koji Oguri
General uroflowmetry method involves the risk of nosocomial infections or time and effort of the recording. Medical institutions, therefore, need to measure voided volume simply and hygienically. Multiple cylindrical model that can estimate the fluid flow rate from the photographed image using camera has been proposed in an earlier study. This study implemented a flow rate estimation by using a general-purpose camera system (Raspberry Pi Camera Module) and the multiple cylindrical model. However, large amounts of noise in extracting liquid region are generated by the variation of the illumination when performing measurements in the bathroom...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28250585/mitigation-by-sodium-nitroprusside-of-the-effects-of-salinity-on-the-morpho-physiological-and-biochemical-characteristics-of-rubus-idaeus-under-in-vitro-conditions
#19
Ali Ghadakchiasl, Ali-Akbar Mozafari, Nasser Ghaderi
This study examined the changes brought about by sodium nitroprusside (SNP) in the effects of salinity on the morpho-physiological and biochemical characteristics of Rubus idaeus var. Danehdrosht. Raspberry shoot-tip explants were cultured on Murashige and Skoog medium supplemented with a growth regulator that combined benzyleadenine (1 mg/l), indol-3-butyric acetic acid (0.2 mg/l), SNP (0, 50 and 100 µM) and sodium chloride (0, 50 and 100 mM). The results showed that salinity stress significantly decreased morpho-physiological and biochemical characteristics such as RWC, MSI and total protein content in regenerated explants and significantly increased the total soluble sugar, proline contents, peroxidase and superoxide dismutase activity in compared to the control...
January 2017: Physiology and Molecular Biology of Plants: An International Journal of Functional Plant Biology
https://www.readbyqxmd.com/read/28246381/trienylfuranol-a-and-trienylfuranone-a-b-metabolites-isolated-from-an-endophytic-fungus-hypoxylon-submoniticulosum-in-the-raspberry-rubus-idaeus
#20
Kevin M N Burgess, Ashraf Ibrahim, Dan Sørensen, Mark W Sumarah
A strain of Hypoxylon submonticulosum was isolated as an endophyte from a surface-sterilized leaf of a cultivated raspberry (Rubus idaeus). The liquid culture extract displayed growth inhibition activity against Saccharomyces cerevisiae using a disc diffusion assay. The extract's major component was identified as a new natural product, trienylfuranol A (1S,2S,4R)-1-((1'E,3'E)-hexa-1',3',5'-trienyl)-tetrahydro-4-methylfuran-2-ol (1), by high-resolution LC-MS and 1D and 2D NMR spectroscopy. Two additional new metabolites, trienylfuranones A (2) and B (3), were isolated as minor components of the extract and their structure elucidation revealed that they were biosynthetically related to 1...
March 1, 2017: Journal of Antibiotics
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