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https://www.readbyqxmd.com/read/29453049/one-step-conversion-of-agro-wastes-to-nanoporous-carbons-role-in-separation-of-greenhouse-gases
#1
Dipendu Saha, Bryan Taylor, Nicole Alexander, Daniel F Joyce, Gabriela I Faux, Yiting Lin, Vladimir Shteyn, Gerassimos Orkoulas
Highly microporous carbons have been synthesized from four types of agro-wastes of lignin, walnut shells, orange peels and apricot seeds by one-step carbonization/activation with potassium hydroxide (KOH) in varying ratios. The resultant carbons demonstrated BET specific surface areas of 727-2254 m 2 /g, and total pore volumes 0.34-1.14 cm 3 /g. These are higher than the majority of agro-waste derived carbons reported in the literature. For all the carbons, CO 2 adsorption at 298 K was higher than SF 6 followed by N 2 suggesting a possible separation of CO 2 and SF 6 from N 2 ...
February 6, 2018: Bioresource Technology
https://www.readbyqxmd.com/read/29446788/the-potential-role-of-herbal-products-in-the-treatment-of-parkinson-s-disease
#2
M S Amro, S L Teoh, A G Norzana, D Srijit
Parkinson's disease (PD) is a multifactorial disorder of the nervous system in which there is a progressive loss of dopaminergic neurons. There is a disturbance in the movement in PD and these include resting tremors, rigidity, bradykinesia or akinesia, disturbance, posture and freezing (motor block). The substantia nigra and other parts of the brain are commonly affected. The disorder could be related to oxidative stress and there is an important role of reactive oxygen species (ROS). A number of herbal products contain active components which are known to possess antioxidant action...
January 2018: La Clinica Terapeutica
https://www.readbyqxmd.com/read/29438567/determination-of-the-baseline-susceptibility-of-european-populations-of-cydia-pomonella-lepidoptera-tortricidae-to-chlorantraniliprole-and-the-role-of-cytochrome-p450-monooxygenases
#3
Dolors Bosch, Marcela A Rodríguez, Laura Depalo, Jesús Avilla
The codling moth, Cydia pomonella (L.) (Lepidoptera: Tortricidae), is the key pest on pome fruit and walnut orchards worldwide. Its resistance to available insecticides has been widely reported. Chlorantraniliprole is an anthranilic diamide that was introduced in European countries in 2008-2009 and acts by activating the insect's ryanodine receptors. The aims of this study were to determine the baseline susceptibility of European populations of C. pomonella to chlorantraniliprole, to establish the discriminant concentrations (DC) to check the possible development of resistance, and to know the role of cytochrome P450 monooxygenases (P450) in the possible susceptibility decrease of field populations to the insecticide...
February 9, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29420996/walnut-extract-modulates-activation-of-microglia-through-alteration-in-intracellular-calcium-concentration
#4
Nopporn Thangthaeng, Shibu M Poulose, Derek R Fisher, Barbara Shukitt-Hale
Diets supplemented with walnuts have shown to protect brain against oxidative and inflammatory cytotoxicity and promote protective cellular and cognitive function. The current study was undertaken to test the hypothesize that whole walnut extract (WNE) inhibits lipopolysaccharide (LPS)-induced microglial activation by regulating calmodulin (CaM) expression through [Ca2+]i. To test this hypothesis, we used an in vitro model the highly aggressively proliferating immortalized cells, a rat microglial cell line, treated with various concentrations of WNEs...
January 2018: Nutrition Research
https://www.readbyqxmd.com/read/29415131/bark-colonization-of-kiln-dried-wood-by-the-walnut-twig-beetle-effect-of-wood-location-and-pheromone-presence
#5
Albert E Mayfield, Jackson Audley, Robert Camp, Bryan T Mudder, Adam Taylor
The walnut twig beetle (Pityophthorus juglandis Blackman) (Coleoptera: Curculionidae) is a regulated pest in the United States due to its causal role in thousand cankers disease of walnut trees, including the commercially valuable eastern black walnut (Juglans nigra L.). Several state quarantines designed to limit spread of P. juglandis regulate movement of kiln-dried walnut lumber that contains bark. Previous research demonstrated that P. juglandis will enter and re-emerge from bark of kiln-dried, J. nigra slabs subjected to extreme beetle pressure (baited with a pheromone lure and hung in infested J...
February 5, 2018: Journal of Economic Entomology
https://www.readbyqxmd.com/read/29391625/bioefficacy-potential-of-different-genotypes-of-walnut-juglans-regia-l
#6
Uzma Noor Shah, Javid Iqbal Mir, Nazeer Ahmed, Sumira Jan, Khalid Majid Fazili
The purpose of investigation was to assess the phytochemical and nutraceutical of walnut in leaf extracts through diverse quantitative and qualitative phytochemical tests followed by array of assays. The screening of 50 elite walnut genotypes which exhibited wide range of discrepancy in terms of phytochemicals as well as their anti-oxidant potential was done. Walnut genotypes displayed maximum divergence in quercetin content (2.86-5.78 mg/100 g) as represented by cluster analysis. The phenolic rich genotypes exhibiting total phenols (37...
February 2018: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29378021/localized-gene-expression-changes-during-adventitious-root-formation-in-black-walnut-juglans-nigra-l
#7
Micah E Stevens, Keith E Woeste, Paula M Pijut
Cutting propagation plays a large role in the forestry and horticulture industries where superior genotypes need to be clonally multiplied. Integral to this process is the ability of cuttings to form adventitious roots. Recalcitrance to adventitious root development is a serious hurdle for many woody plant propagation systems including black walnut (Juglans nigra L.), an economically valuable species. The inability of black walnut to reliably form adventitious roots limits propagation of superior genotypes...
January 25, 2018: Tree Physiology
https://www.readbyqxmd.com/read/29373654/behavioral-responses-of-pityophthorus-juglandis-coleoptera-curculionidae-scolytinae-to-volatiles-of-black-walnut-and-geosmithia-morbida-ascomycota-hypocreales-bionectriaceae-the-causal-agent-of-thousand-cankers-disease
#8
B L Blood, W E Klingeman, M A Paschen, Ð Hadžiabdic, J J Couture, M D Ginzel, Lukasz Stelinski
Thousand cankers disease (TCD) is a pest complex formed by the association of the walnut twig beetle (WTB), Pityophthorus juglandis Blackman (Coleoptera: Curculionidae: Scolytinae), with the fungal pathogen Geosmithia morbida Kolařík, Freeland, Utley and Tisserat (Ascomycota: Hypocreales: Bionectriaceae). Current monitoring and detection efforts for WTB rely on a pheromone lure that is effective over a limited distance while plant- and fungal-derived volatiles that may facilitate host location remain poorly understood...
January 24, 2018: Environmental Entomology
https://www.readbyqxmd.com/read/29357825/the-walnut-jrvhag1-gene-is-involved-in-cadmium-stress-response-through-aba-signal-pathway-and-myb-transcription-regulation
#9
Zhenggang Xu, Yu Ge, Wan Zhang, Yunlin Zhao, Guiyan Yang
BACKGROUND: Vacuolar H+-ATPase (V-ATPase) is a vital protein complex involved in abiotic stress response in plants. The G subunit of Juglans regia (JrVHAG1) was previously identified as a drought tolerance-related gene involved in the ABA (abscisic acid)-signal pathway. Heavy metal stress is becoming a major detriment for plant growth, development, and production. In order to understand the role of JrVHAG1, the potential function mechanism of JrVHAG1 exposed to CdCl2 stress was confirmed in this study...
January 22, 2018: BMC Plant Biology
https://www.readbyqxmd.com/read/29352916/effect-of-punica-granatum-peel-extracts-on-antimicrobial-properties-in-walnut-shell-cellulose-reinforced-bio-thermoplastic-starch-films-from-cashew-nut-shells
#10
K Harini, C Chandra Mohan, K Ramya, S Karthikeyan, M Sukumar
The main aim of the present study is to extract and characterize cashew nut shell (CNS) starch and walnut shell cellulose (WNC) for development of cellulose reinforced starch films. Moreover, the extraction and characterization of pomegranate peel extract, for incorporation with CNS-WNC films, was investigated. CNS starch was examined to be a moderate amylose starch with 26.32 ± 0.43% amylose content. Thermal degradation temperature of CNS starch was found to be 310 °C. Walnut shell cellulose was found to have high crystallinity index of 72%, with two thermal degradation temperatures of 319 °C and 461 °C...
March 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29345525/adsorption-of-lead-ion-from-aqueous-solution-by-modified-walnut-shell-kinetics-and-thermodynamics
#11
Shenmaishang Li, Zuoxiang Zeng, Weilan Xue
The novel modified walnut shell (WNS-MAH) with higher adsorption capacity for lead ion (carboxyl value, 2.77 mmol/g) was prepared by reacting walnut shell (WNS) with maleic anhydride. Both WNS and WNS-MAH were analysed by scanning electron microscope (SEM) and Fourier transform infrared (FTIR). The adsorption capacity of WNS-MAH for lead ion was evaluated at different adsorbent doses, pHs, time and temperatures. The adsorption kinetics and adsorption isotherms were investigated in the temperature range of 298-318K...
January 18, 2018: Environmental Technology
https://www.readbyqxmd.com/read/29338961/is-eosinophilic-esophagitis-an-equivalent-of-pollen-allergic-asthma-analysis-of-biopsies-and-therapy-guided-by-component-resolved-diagnosis
#12
A Armentia, S Martín-Armentia, B Martín-Armentia, J Santos-Fernández, R Álvarez, B Madrigal, D Fernández-González, S Gayoso, M J Gayoso
BACKGROUND: Eosinophilic esophagitis (EoE) is characterized by esophageal dysfunction and, histologically, by eosinophilic inflammation. There is not a clear etiologic treatment. Biopsies analysis using plant histology methods may show callose and pollen tubes in the esophageal mucosa. Component-resolved diagnosis (CRD) with microarrays could detect possible allergens involved and indicate an elimination diet and allergen immunotherapy (AIT). METHODS: One hundred and twenty-nine patients with EoE were tested for environmental and food allergens...
January 12, 2018: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/29336147/urolithins-attenuate-lps-induced-neuroinflammation-in-bv2microglia-via-mapk-akt-and-nf-%C3%AE%C2%BAb-signaling-pathways
#13
Jialin Xu, Chunhui Yuan, Guihua Wang, Jiaming Luo, Hang Ma, Li Xu, Yu Mu, Yuanyuan Li, Navindra P Seeram, Xueshi Huang, Liya Li
Emerging data suggest that urolithins, gut microbiota metabolites of ellagitannins, contribute toward multiple health benefits attributed to ellagitannin-rich foods, including walnuts, red raspberry, strawberry, and pomegranate. However, there is limited data on whether the potential neuroprotective effects of these ellagitannin-rich foods are mediated by urolithins. Herein, we evaluated the potential mechanisms of antineuroinflammatory effects of urolithins (urolithins A, B, and C; 8-methyl-O-urolithin A; and 8,9-dimethyl-O-urolithin C) in BV2 murine microglia in vitro...
January 16, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29332575/protective-role-of-italian-juglans-regia-l-nut-ethanolic-extract-in-human-keratinocytes-under-oxidative-and-inflammatory-stress
#14
Cinzia Calcabrini, Umberto Mancini, Roberta De Bellis, Alessandra Frati, Anna Rita Mastrogiacomo, Giosue Annibalini, Piero Sestili, Luigi Cucchiarini, Vilberto Stocchi, Lucia Potenza
OBJECTIVE: In this research, fatty acid profile and polyphenolic content of an ethanolic extract of walnut from Juglans regia L. collected in Central Italy, were performed. The potential antioxidant and anti-inflammatory effects of the extract were investigated in the human keratinocytes cell line. METHODS: Fatty acid profile was determined by gas chromatography/mass spectrometry analysis, total phenolic content by Folin-Ciocalteu method and aluminum chloride colorimetric method was used for determination of total flavonoids...
January 12, 2018: Current Pharmaceutical Biotechnology
https://www.readbyqxmd.com/read/29331852/no-time-to-waste-organic-waste-nanosizing-converts-remains-of-food-processing-into-refined-materials
#15
Sharoon Griffin, Muhammad Sarfraz, Verda Farida, Muhammad Jawad Nasim, Azubuike P Ebokaiwe, Cornelia M Keck, Claus Jacob
Modern food processing results in considerable amounts of side-products, such as grape seeds, walnut shells, spent coffee grounds, and harvested tomato plants. These materials are still rich in valuable and biologically active substances and therefore of interest from the perspective of waste management and "up-cycling". In contrast to traditional, often time consuming and low-value uses, such as vermicomposting and anaerobic digestion, the complete conversion into nanosuspensions unlocks considerable potentials of and new applications for such already spent organic materials without the need of extraction and without producing any additional waste...
January 11, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29329217/prey-acceptability-and-preference-of-oenopia-conglobata-coleoptera-coccinellidae-a-candidate-for-biological-control-in-urban-green-areas
#16
Belén Lumbierres, Filipe Madeira, Xavier Pons
Oenopia conglobata is one of the most common ladybird species in urban green areas of the Mediterranean region. We have obtained data about its prey acceptability and prey preferences. In a laboratory experiment, we investigated the acceptability of seven aphid and one psyllid species as prey for this coccinellid: the aphids Chaitophorus populeti, Aphis gossypii, Aphis craccivoraMonelliopsis caryae, Eucallipterus tiliae, Aphis nerii (on white poplar, pomegranate, false acacia, black walnut, lime, and oleander, respectively), and the psyllid Acizziajamatonica on Persian silk tree...
January 12, 2018: Insects
https://www.readbyqxmd.com/read/29321915/comparative-genetics-of-invasive-populations-of-walnut-aphid-chromaphis-juglandicola-and-its-introduced-parasitoid-trioxys-pallidus-in-california
#17
Jeremy C Andersen, Nicholas J Mills
Coevolution may be an important component of the sustainability of importation biological control, but how frequently introduced natural enemies coevolve with their target pests is unclear. Here we explore whether comparative population genetics of the invasive walnut aphid, Chromaphis juglandicola, and its introduced parasitoid, Trioxys pallidus, provide insights into the localized breakdown of biological control services in walnut orchards in California. We found that sampled populations of C. juglandicola exhibited higher estimates of genetic differentiation (FST) than co-occurring populations of T...
January 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29311522/effect-of-the-harvest-time-on-oil-yield-fatty-acid-tocopherol-and-sterol-contents-of-developing-almond-and-walnut-kernels
#18
Bertrand Matthäus, Mehmet Musa Özcan, Fahad Al Juhaimi, Oladipupu Q Adiamo, Omer N Alsawmahi, Kashif Ghafoor, Elfadıl E Babiker
Oil content and bioactive properties of almond and walnut kernels were investigated in developing almond and walnut kernels at 10 days intervals. The oil contents of almond and walnuts after the first harvest (1.H) stage changed between 46.2% and 55.0% to 39.1% and 70.5%, respectively (p<0.05). Oleic acid contents of almond and walnut oils ranged from 71.98% (1.H) to 78.68% (5.H) and 10.51% (1.H) to 16.78% (2.H) depending on harvest (H) times, respectively (p<0.05). In addition, linolenic acid contents of walnut and almond oils were found between 62...
2018: Journal of Oleo Science
https://www.readbyqxmd.com/read/29287419/bioaccessibility-of-phenolic-compounds-following-in-vitro-large-intestine-fermentation-of-nuts-for-human-consumption
#19
Gabriele Rocchetti, Giulia Chiodelli, Gianluca Giuberti, Luigi Lucini
A bioaccessibility study of polyphenols after in vitro simulated large intestine fermentation was carried out on edible nuts. Raw nuts were also analysed for total phenolic content and antioxidant potential, considering both bound and free phenolics. The highest phenolic content was found in walnuts, followed by pistachios extracts (596.9 and 410.1 mg gallic acid equivalents 100 g-1, respectively). Consistently, the total antioxidant capacity was highest in walnuts (3689.7 μM trolox equivalents 100 g-1) followed by peanuts and pistachios (3169...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29274484/effect-of-water-activity-and-heating-rate-on-staphylococcus-aureus-heat-resistance-in-walnut-shells
#20
Lihui Zhang, Xiaoxi Kou, Shuang Zhang, Teng Cheng, Shaojin Wang
Water activity (aw) and heating rate have shown important effects on the thermo-tolerance of pathogens in low moisture foods during thermal treatments. In this study, three strains were selected to compare the heat resistance in walnut shell powder and finally the most heat resistant S. aureus ATCC 25923 was chosen to investigate the influence of aw and heating rate using a heating block system (HBS). The results showed that S. aureus ATCC 25923 became more thermo-tolerant at lower aw. The D-values of S. aureus ATCC 25923 increased with decreasing water activity and heating rates (<1°C/min)...
December 18, 2017: International Journal of Food Microbiology
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