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https://www.readbyqxmd.com/read/28710438/simulation-of-long-term-yield-and-soil-water-consumption-in-apple-orchards-on-the-loess-plateau-china-in-response-to-fertilization
#1
Xingxing Peng, Zheng Guo, Yujiao Zhang, Jun Li
The Loess Plateau, China, is the world's largest apple-producing region, and over 80% of the orchards are in rainfed (dryland) areas. Desiccation of the deep soil layer under dryland apple orchards is the main stressor of apple production in this region. Fertilization is a factor that causes soil desiccation in dryland apple orchards. Given its applicability and precision validations, the Environmental Policy Integrated Climate (EPIC) model was used to simulate the dynamics of fruit yield and deep soil desiccation in apple orchards under six fertilization treatments...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28707217/baseline-glucoregulatory-function-moderates-the-effect-of-dairy-milk-and-fruit-juice-on-postprandial-cognition-in-healthy-young-adults
#2
Jason R Anderson, Misty A W Hawkins, John Updegraff, John Gunstad, Mary Beth Spitznagel
PURPOSE: Few studies have examined acute cognitive effects of dairy products. Prior work suggests baseline glucoregulatory function may moderate the relationship between macronutrient profile and postprandial cognition. This study examined the role of glucoregulatory function in postprandial cognition after milk, fruit juice, and a water control. We hypothesized juice would improve cognition in those with lower fasting glucose, while milk would improve cognition in those with higher fasting glucose...
July 13, 2017: European Journal of Nutrition
https://www.readbyqxmd.com/read/28690262/colorimetric-detection-of-mercury-ii-ion-in-aqueous-solution-using-silver-nanoparticles
#3
M Lutfi Firdaus, Ikka Fitriani, Santhy Wyantuti, Yeni W Hartati, Renat Khaydarov, Jason A McAlister, Hajime Obata, Toshitaka Gamo
Novel green-chemistry synthesis of silver nanoparticles (AgNPs) is introduced as a low-cost, rapid and easy-to-use analytical method for mercury ion detection. Aqueous fruit extract of water apple (Syzygium aqueum) was used for the first time as bioreductant to synthesize stable AgNPs. The prepared AgNPs have a yellowish-brown color with a surface plasmon resonance peak at 420 nm. The addition of Hg(II) ions then changes the AgNPs color to colorless. The color change was in proportion to the concentration of Hg(II) ions...
2017: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/28671837/activated-lignite-based-super-large-granular-slow-release-fertilizers-improve-apple-tree-growth-synthesis-characterizations-and-laboratory-and-field-evaluations
#4
Yafu Tang, Xinying Wang, Yuechao Yang, Bin Gao, Yongshan Wan, Yuncong C Li, Dongdong Cheng
In this work, lignite, a low-grade coal, was modified using the solid-phase activation method with the aid of a Pd/CeO2 nanoparticle catalyst to improve its pore structure and nutrient absorption. Results indicate that the adsorption ability of the activated lignite to NO3(-), NH4(+), H2PO4(-), and K(+) was significantly higher than that of raw lignite. The activated lignite was successfully combined with the polymeric slow-release fertilizer, which exhibits typical slow-release behavior, to prepare the super large granular activated lignite slow-release fertilizer (SAF)...
July 13, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28654874/aquatic-toxicity-of-ivermectin-in-cattle-dung-assessed-using-microcosms
#5
Leticia M Mesa, I Lindt, L Negro, M F Gutierrez, G Mayora, L Montalto, M Ballent, A Lifschitz
Ivermectin (IVM) is a parasiticide widely used for livestock. It is a semisynthetic derivative of avermectin, a macrocyclic lactone produced by Streptomyces avermitilis. This drug is only partly metabolized by livestock; considerable amounts of parent drug are excreted mostly via feces. To simulate exposure of aquatic invertebrates and macrophytes to direct excretion of cattle dung into surface waters, a microcosm experiment with IVM spiked in cattle dung was conducted. The objectives of this study were to characterize accumulation of IVM in water, sediment+dung, roots of the floating fern Salvinia and the zooplankton Ceriodaphnia dubia, the amphipod Hyalella and the apple snail Pomacea; to determine the effect of this drug spiked in cattle dung on life-history traits of these invertebrates; and to evaluate the influence of IVM on aquatic nutrient cycling...
June 24, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28653154/dna-persistence-of-bite-marks-on-food-and-its-relevance-for-str-typing
#6
Céline M Pfeifer, Anja Gass, Rachel Klein-Unseld, Peter Wiegand
In forensic DNA analysis, salivary traces at crime scenes are a promising way to identify a person. However, crime scenes are oftentimes investigated a while after the crime and recovered samples might have been degraded leading to poor PCR amplification. Probably due to decomposition and negative visual impression of spoiled food, bite mark samples make up only a small part of our casework routine. In this study, bite marks on apples and chocolate bars as well as on an inert surface (microscope slide) were stored up to 3 weeks indoors and outdoors during different seasons and analyzed for amylase activity and DNA quantity and quality...
June 26, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28648298/slightly-acidic-electrolyzed-water-combined-with-chemical-and-physical-treatments-to-decontaminate-bacteria-on-fresh-fruits
#7
Charles Nkufi Tango, Imran Khan, Paul-François Ngnitcho Kounkeu, Rubab Momna, Mohammad Shakhawat Hussain, Deog-Hwan Oh
Effect of sequential combination of slightly acidic electrolyzed water (SAEW) with chemical and physical treatments on bacterial decontamination on fruits was investigated in this study. Effect of treatments on microbial and sensory quality was also analyzed after subsequent storage at 4 °C and room temperature (RT, 23 ± 0.15 °C). Whole apple and tomato fruits were inoculated with cocktail strains of Escherichia coli O157:H7 and Listeria monocytogenes. Uninoculated and inoculated fruits were washed first with distilled water (DW), calcium oxide (CaO), fumaric acid (FA), and SAEW at RT for 3 min...
October 2017: Food Microbiology
https://www.readbyqxmd.com/read/28633837/synthesis-and-characterization-of-zns-ni-nps-loaded-on-ac-derived-from-apple-tree-wood-and-their-applicability-for-the-ultrasound-assisted-comparative-adsorption-of-cationic-dyes-based-on-the-experimental-design
#8
Hossein Zare Khafri, Mehrorang Ghaedi, Arash Asfaram, Mohammad Safarpoor
The applicability of ZnS:Ni nanoparticles loaded on activated carbon derived from apple tree wood (ZnS:Ni-NPs-ACATW) for the adsorption of Methylene Blue (MB) and Janus Green B (JGB) dyes in single system from water solution has been described. The synthesized adsorbent characterized and identified by UV-Vis, FE-SEM, EDX, TEM, FTIR and XRD. The influences of operation parameters including initial MB or JGB concentration (9.0-33.0mgL(-1)), pH (4.0-10.0), extent of adsorbent (0.08-0.12g) and sonication time (4...
September 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28632272/interfacial-synthesis-of-a-three-dimensional-hierarchical-mos2-ns-ag-np-nanocomposite-as-a-sers-nanosensor-for-ultrasensitive-thiram-detection
#9
Xiu Liang, Yi-Shuo Wang, Ting-Ting You, Xiao-Juan Zhang, Nan Yang, Guang-Sheng Wang, Peng-Gang Yin
Interfacial self-assembly of ordered nanostructures at oil-water interfaces towards the fabrication of nanofilms has attracted the interest of plenty of scientists, since its discovery in 2004. Herein, further developments have been achieved, and we report a new strategy for the synthesis of a three-dimensional (3D) hierarchical nanostructure, through an interfacial synthesis driven microemulsion process. Thus, the synthesis route has been simplified, with the rigorous experimental conditions of traditional compositing technology...
June 29, 2017: Nanoscale
https://www.readbyqxmd.com/read/28621381/the-methodology-applied-in-dpph-abts-and-folin-ciocalteau-assays-has-a-large-influence-on-the-determined-antioxidant-potential
#10
Helena Abramovič, Blaž Grobin, Nataša Poklar, Blaž Cigić
Antioxidant potential (AOP) is not only the property of the matrix analyzed but also depends greatly on the methodology used. The chromogenic radicals 2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) (ABTS•+), 2,2-diphenyl-1-picrylhydrazyl (DPPH•) and Folin-Ciocalteu (FC) assay were applied to estimate how the method and the composition of the assay solvent influence the AOP determined for coffee, tea, beer, apple juice and dietary supplements. Large differences between the AOP values depending on the reaction medium were observed, with the highest AOP determined mostly in the FC assay...
June 2017: Acta Chimica Slovenica
https://www.readbyqxmd.com/read/28617325/development-of-biopolymer-composite-films-using-a-microfluidization-technique-for-carboxymethylcellulose-and-apple-skin-particles
#11
Inyoung Choi, Yoonjee Chang, So-Hyang Shin, Eunmi Joo, Hyun Ju Song, Haeyoung Eom, Jaejoon Han
Biopolymer films based on apple skin powder (ASP) and carboxymethylcellulose (CMC) were developed with the addition of apple skin extract (ASE) and tartaric acid (TA). ASP/CMC composite films were prepared by mixing CMC with ASP solution using a microfluidization technique to reduce particle size. Then, various concentrations of ASE and TA were incorporated into the film solution as an antioxidant and an antimicrobial agent, respectively. Fourier transform infrared (FTIR), optical, mechanical, water barrier, and solubility properties of the developed films were then evaluated to determine the effects of ASE and TA on physicochemical properties...
June 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28613078/the-impact-of-textile-wastewater-irrigation-on-growth-and-development-of-apple-plant
#12
Hamdi Zenginbal, Gamze Dogdu Okcu, Arda Yalcuk
In this work, the effect of irrigation with textile wastewaters on the growth and development of 'Golden Delicious' apple sapling was examined over a one-year period. Municipal water prepared as a control sample (T0), 1/3 diluted (T1) and undiluted (T2) raw textile wastewater was used as the three different irrigation water samples. Two replications of each test were performed on three random samples each time. When examining the effects of T0, T1 and T2 irrigation water on plant growth, it was found that T1 irrigation water significantly increased the weight, the shoot length and the diameter of the sapling...
June 14, 2017: International Journal of Phytoremediation
https://www.readbyqxmd.com/read/28609018/pcl-phbv-blended-three-dimensional-scaffolds-fabricated-by-fused-deposition-modeling-and-responses-of-chondrocytes-to-the-scaffolds
#13
Wasana Kosorn, Morakot Sakulsumbat, Paweena Uppanan, Pakkanun Kaewkong, Surapol Chantaweroad, Jaturong Jitsaard, Kriskrai Sitthiseripratip, Wanida Janvikul
In this study, poly(ε-caprolactone)/poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PCL/PHBV) blended porous scaffolds were fabricated by fused deposition modeling (FDM). PCL/PHBV filaments, initially prepared at different weight ratios, that is, 100/0, 75/25, 50/50, and 25/75, were fabricated by the lay-down pattern of 0/90/45/135° to obtain scaffolds with dimension of 6.0 × 6.0 × 2.5 mm(3) and average filament diameters and channel sizes in the ranges of 370-390 µm and 190-210 µm, respectively. To enhance the surface hydrophilicity of the materials, the scaffolds were subsequently subjected to a low pressure oxygen plasma treatment...
July 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28608810/microcontact-imprinted-plasmonic-nanosensors-powerful-tools-in-the-detection-of-salmonella-paratyphi
#14
Işık Perçin, Neslihan Idil, Monireh Bakhshpour, Erkut Yılmaz, Bo Mattiasson, Adil Denizli
Identification of pathogenic microorganisms by traditional methods is slow and cumbersome. Therefore, the focus today is on developing new and quicker analytical methods. In this study, a Surface Plasmon Resonance (SPR) sensor with a microcontact imprinted sensor chip was developed for detecting Salmonella paratyphi. For this purpose, the stamps of the target microorganism were prepared and then, microcontact S. paratyphi-imprinted SPR chips were prepared with the functional monomer N-methacryloyl-L-histidine methyl ester (MAH)...
June 13, 2017: Sensors
https://www.readbyqxmd.com/read/28597655/identification-and-characterization-of-3-epi-rotundone-a-novel-stereoisomer-of-rotundone-in-several-kinds-of-fruits
#15
Akira Nakanishi, Makiko Ito, Keisuke Yoshikawa, Tomoko Maeda, Susumu Ishizaki, Yoshiko Kurobayashi
A novel stereoisomer of rotundone, 3-epi-rotundone, was identified in the aroma of grapefruit, orange, apple, and mango. 3-epi-Rotundone was prepared by the isomerization of rotundone, and its structural elucidation was confirmed by comparing the 1D and 2D nuclear magnetic resonance and nuclear Overhauser effect spectroscopy spectra with those of rotundone. The odor thresholds of rotundone and 3-epi-rotundone in water were determined by a triangle test as 5 and 19100 ng/kg, respectively. The odor of 3-epi-rotundone was evaluated as woody, spicy, peppery, citrus, grapefruit-like, powdery, and celery-like, which was a greater range of odor characteristics than that for rotundone...
June 28, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28587968/fabrication-characterization-and-stability-of-oil-in-water-nano-emulsions-produced-by-apricot-gum-pectin-complexes
#16
Omid Shamsara, Seid Mahdi Jafari, Zayniddin K Muhidinov
In this study, the effects of apricot gum-apple pectin (AG/pectin) complex as an emulsifier and stabilizer on the sunflower oil in water nano-emulsion parameters including droplet size, zeta-potential, and the creaming index was investigated. The first independent variables were AG concentration in AG/pectin complex. Applying a 21.4 (w/w) ratio of AG/pectin resulted in nano-emulsions with the highest creaming stability, and most stable droplet size and zeta-potential during 10days storage. Then, droplet size, zeta-potential, and stability of this emulsion (21...
June 3, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28554690/functions-of-two-malus-hupehensis-pamp-rehd-ytps-mhytp1-and-mhytp2-in-biotic-and-abiotic-stress-responses
#17
Na Wang, Tianli Guo, Xun Sun, Xin Jia, Ping Wang, Yun Shao, Bowen Liang, Xiaoqing Gong, Fengwang Ma
RNA binding proteins play important roles in plant responses to biotic and abiotic stresses. The YT521-B homology (YTH) domain-containing RNA binding protein (YTP) was first found in Rattus norvegicus and is related to oxygen-deficient stress. The Malus YTP gene family has 15 members. Results from their functional analysis will help researchers improve stress tolerance and fruit quality in apple. We cloned two homologous YTP family members in M. hupehensis - MhYTP1 and MhYTP2 - and identified their promoter regions that contain many cis-elements related to biotic and abiotic stresses...
August 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28540491/a-temperature-dependent-physiologically-based-model-for-the-invasive-apple-snail-pomacea-canaliculata
#18
Gianni Gilioli, Sara Pasquali, Pablo R Martín, Nils Carlsson, Luigi Mariani
In order to set priorities in management of costly and ecosystem-damaging species, policymakers and managers need accurate predictions not only about where a specific invader may establish but also about its potential abundance at different geographical scales. This is because density or biomass per unit area of an invasive species is a key predictor of the magnitude of environmental and economic impact in the invaded habitat. Here, we present a physiologically based demographic model describing and explaining the population dynamics of a widespread freshwater invader, the golden apple snail Pomacea canaliculata, which is causing severe environmental and economic impacts in invaded wetlands and rice fields in Southeastern Asia and has also been introduced to North America and Europe...
May 24, 2017: International Journal of Biometeorology
https://www.readbyqxmd.com/read/28540104/pseudohyperglycemia-effects-of-unwashed-hand-after-fruit-peeling-or-handling-on-fingertips-blood-glucose-monitoring-results
#19
M A Olamoyegun, T Oloyede, O G Adewoye, S O Abdulkarim, A A Adeleke
BACKGROUND: Self-monitoring of blood glucose (SMBG) is an important component of management for diabetes mellitus (DM), especially in T1DM and T2DM patients who are on insulin therapy. Adequate blood glucose monitoring and prompt intervention are necessary to prevent blood glucose (BG) fluctuation and delay long-term diabetes complications. People with DM are advised to clean their hands before SMBG to remove any dirt or food residue that might affect the reading. AIM: The study tested the hypothesis that falsely elevated BG levels from fingertip occur after peeling or handling fruits in an unwashed hand...
November 2016: Annals of Medical and Health Sciences Research
https://www.readbyqxmd.com/read/28531147/oriented-growth-of-%C3%AE-mno%C3%A2-nanorods-using-natural-extracts-from-grape-stems-and-apple-peels
#20
Lina Sanchez-Botero, Adriana P Herrera, Juan P Hinestroza
We report on the synthesis of alpha manganese dioxide (α-MnO₂) nanorods using natural extracts from Vitis vinifera grape stems and Malus domestica 'Cortland' apple peels. We used a two-step method to produce highly crystalline α-MnO₂ nanorods: (1) reduction of KMnO₄ in the presence of natural extracts to initiate the nucleation process; and (2) a thermal treatment to enable further solid-state growth of the nuclei. Transmission electron microscopy (TEM) and field emission scanning electron microscopy (FESEM) images provided direct evidence of the morphology of the nanorods and these images were used to propose nucleation and growth mechanisms...
May 22, 2017: Nanomaterials
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