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https://www.readbyqxmd.com/read/29155403/phyto-assisted-synthesis-of-bio-functionalised-silver-nanoparticles-and-their-potential-anti-oxidant-anti-microbial-and-wound-healing-activities
#1
Yugal Kishore Mohanta, Kunal Biswas, Sujogya Kumar Panda, Jaya Bandyopadhyay, Debashis De, Rasu Jayabalan, Akshaya Kumar Bastia, Tapan Kumar Mohanta
Bio- synthesis of silver nanoparticles (AgNPs) was made by using the aqueous leaf extract of Ardisia solanacea. Rapid formation of AgNPs was observed from silver nitrate upon treatment with the aqueous extract of A. solanacea leaf. The formation and stability of the AgNPs in the colloidal solution were monitored by UV-visible spectrophotometer. The mean particle diameter of AgNPs was calculated from the DLS with an average size ∼4 nm and ∼65 nm. ATR-FTIR spectroscopy confirmed the presence of alcohols, aldehydes, flavonoids, phenols and nitro compounds in the leaf which act as the stabilizing agent...
December 2017: IET Nanobiotechnology
https://www.readbyqxmd.com/read/29155397/facile-phyto-mediated-synthesis-of-silver-nanoparticles-using-chinese-winter-jujube-ziziphus-jujuba-mill-cv-dongzao-extract-and-their-antibacterial-catalytic-properties
#2
Chun-Gang Yuan, Can Huo, Bing Gui, Jing-Fu Liu, Yong-Sheng Chen
The aqueous extract of Chinese winter jujube (Ziziphus jujuba Mill. cv. Dongzao) was used as reducing and capping agents for the synthesis of silver nanoparticles (AgNPs) for the first time. The resulting AgNPs were characterised by UV/Visible (UV-Vis) spectroscopy, atomic force microscope, transmission electron microscopy, selected area electron diffraction, X-ray diffraction, scanning electron microscopy, energy-dispersive X-ray and Fourier transform infrared spectroscopy (FTIR). The colloidal solution of AgNPs gave a maximum UV-Vis absorbance at 446 nm...
December 2017: IET Nanobiotechnology
https://www.readbyqxmd.com/read/29132718/bioturbation-effects-on-bioaccumulation-of-cadmium-in-the-wetland-plant-typha-latifolia-a-nature-based-experiment
#3
Trung Kien Hoang, Anne Probst, Didier Orange, Franck Gilbert, Arnaud Elger, Jean Kallerhoff, François Laurent, Sabina Bassil, Thi Thuy Duong, Magali Gerino
The development of efficient bioremediation techniques to reduce aquatic pollutant load in natural sediment is one of the current challenges in ecological engineering. A nature-based solution for metal bioremediation is proposed through a combination of bioturbation and phytoremediation processes in experimental indoor microcosms. The invertebrates Tubifex tubifex (Oligochaeta Tubificidae) was used as an active ecological engineer for bioturbation enhancement. The riparian plant species Typha latifolia was selected for its efficiency in phyto-accumulating pollutants from sediment...
November 10, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29126413/leaves-from-banana-musa-nana-and-maize-zea-mays-have-no-phyto-prophylactic-effects-on-the-susceptibility-of-grass-carp-ctenopharyngodon-idella-to-aeromonas-hydrophila-infection
#4
Richard Mayrhofer, Simon Menanteau-Ledouble, Johannes Pucher, Ulfert Focken, Mansour El-Matbouli
BACKGROUND: The ubiquitous and opportunistic bacterial pathogen Aeromonas hydrophila has been associated with ulcerative dermatitis in fish, especially under stressful conditions. It can cause severe losses in fresh water aquaculture and is particularly prevalent in tropical and subtropical regions. Fresh leaves from maize and bananas have been used as feed supplement by fish farmers in Vietnam and it has been reported that they may have phyto-prophylactic benefits. In the present study, a feeding trial was conducted to investigate the benefits of providing maize and banana leaves as feed supplement: to determine if they were taken up and digested by grass carp (Ctenopharyngodon idella), if this uptake resulted in improved growth performance, and if leaf supplementation protected fish when challenged with A...
November 10, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/29110231/treatment-of-synthetic-textile-wastewater-containing-dye-mixtures-with-microcosms
#5
Dina A Yaseen, Miklas Scholz
The aim was to assess the ability of microcosms (laboratory-scale shallow ponds) as a post polishing stage for the remediation of artificial textile wastewater comprising two commercial dyes (basic red 46 (BR46) and reactive blue 198 (RB198)) as a mixture. The objectives were to evaluate the impact of Lemna minor L. (common duckweed) on the water quality outflows; the elimination of dye mixtures, organic matter, and nutrients; and the impact of synthetic textile wastewater comprising dye mixtures on the L. minor plant growth...
November 6, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29105488/hypolipidemic-effect-of-steroid-compound-from-cestrum-diurnum-solanaceae-solanales-in-normocholesterolemic-albino-rat
#6
Anupam Ghosh, Indranil Bhattacharjee, Goutam Chandra
The present study was carried out to establish the hypolipidemic effect of a phyto-steroid compound isolated from the chloroform: methanol extract of fresh mature leaves of the plant Cestrum diurnum (Solanaceae: Solanales). Change in the haematological parameters was studied in normocholesterolemic albino rats after oral administration of single dose of isolated phytosteroid (2 mg/ day) up to 15 days and compared with control rats. Application of phytosteroid fraction resulted in a significant reduction in total plasma cholesterol and free cholesterol levels...
November 6, 2017: Natural Product Research
https://www.readbyqxmd.com/read/29102321/the-maternal-fetal-gradient-of-free-and-esterified-phytosterols-at-the-time-of-delivery-in-humans
#7
Alessio Correani, Silvia Visentin, Erich Cosmi, Eleonora Ponchia, Sara D'Aronco, Manuela Simonato, Luca Vedovelli, Paola Cogo, Virgilio P Carnielli
BACKGROUND: High dietary intakes of phytosterols (Phyto), such as those consumed by vegans and vegetarians, are not recommended for cholesterol-lowering in pregnant women (PW) because the safety of their use during pregnancy has not been fully established [1]. Information on Phyto in pregnancy is very limited. OBJECTIVE: To characterize the maternal-fetal gradient of free and esterified Phyto at the time of delivery in humans. DESIGN: PW who had a term delivery at the Obstetrics and Gynecology Unit of the University Hospital of Padua (Padua, Italy), between November 2016 and March 2017, participated in the study...
October 13, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29098876/characterization-of-phyto-nanoparticles-from-ficus-krishnae-for-their-antibacterial-and-anticancer-activities
#8
Amarvani P Kanjikar, Aruna L H, Ramesh L Londonkar
BACKGROUND: Ovarian cancer is deadliest of fifth leading cause of death in women worldwide. This is due to advanced-stage disease rate associated with development of chemoresistance. Hence, the current study emphasizes the process of synthesis of silver nanoparticles (AgNPs) from green chemistry method. Ficus krishnae is a perennial plant, native to India, used in folklore medicine to treat various diseases. OBJECTIVE: For the development of reliable, ecofriendly, less expensive process for the synthesis of AgNPs against bacterial and ovarian cancer...
November 3, 2017: Drug Development and Industrial Pharmacy
https://www.readbyqxmd.com/read/29098189/an-update-on-non-cb1-non-cb2-cannabinoid-related-g-protein-coupled-receptors
#9
REVIEW
Paula Morales, Patricia H Reggio
The endocannabinoid system (ECS) has been shown to be of great importance in the regulation of numerous physiological and pathological processes. To date, two Class A G-protein-coupled receptors (GPCRs) have been discovered and validated as the main therapeutic targets of this system: the cannabinoid receptor type 1 (CB1), which is the most abundant neuromodulatory receptor in the brain, and the cannabinoid receptor type 2 (CB2), predominantly found in the immune system among other organs and tissues. Endogenous cannabinoid receptor ligands (endocannabinoids) and the enzymes involved in their synthesis, cell uptake, and degradation have also been identified as part of the ECS...
2017: Cannabis and Cannabinoid Research
https://www.readbyqxmd.com/read/29096397/porous-composite-scaffold-incorporating-osteogenic-phytomolecule-icariin-for-promoting-skeletal-regeneration-in-challenging-osteonecrotic-bone-in-rabbits
#10
Yuxiao Lai, Huijuan Cao, Xinluan Wang, Shukui Chen, Ming Zhang, Nan Wang, Zhihong Yao, Yi Dai, Xinhui Xie, Peng Zhang, Xinsheng Yao, Ling Qin
Steroid-associated osteonecrosis (SAON) often requires surgical core decompression (CD) in the early stage for removal of necrotic bone to facilitate repair where bone grafts are needed for filling bone defect and avoiding subsequent joint collapse. In this study, we developed a bioactive composite scaffold incorporated with icariin, a unique phytomolecule that can provide structural and mechanical support and facilitate bone regeneration to fill into bone defects after surgical CD in established SAON rabbit model...
October 23, 2017: Biomaterials
https://www.readbyqxmd.com/read/29054647/pilot-scale-aided-phytoremediation-of-a-co-contaminated-soil
#11
Charlotte Marchand, Michel Mench, Yahya Jani, Fabio Kaczala, Peter Notini, Mohamed Hijri, William Hogland
A pilot scale experiment was conducted to investigate the aided-phytoextraction of metals and the aided-phytodegradation of petroleum hydrocarbons (PHC) in a co-contaminated soil. First, this soil was amended with compost (10% w/w) and assembled into piles (Unp-10%C). Then, a phyto-cap of Medicago sativa L. either in monoculture (MS-10%C) or co-cropped with Helianthus annuus L. as companion planting (MSHA-10%C) was sown on the topsoil. Physico-chemical parameters and contaminants in the soil and its leachates were measured at the beginning and the end of the first growth season (after five months)...
October 18, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29040959/marantodes-pumilum-kacip-fatimah-enhances-in-vitro-glucose-uptake-in-3t3-l1-adipocyte-cells-and-reduces-pancreatic-complications-in-streptozotocin-nicotinamide-induced-male-diabetic-rats
#12
Siti Hajar Adam, Nelli Giribabu, Noor Mazuin Abu Bakar, Naguib Salleh
Marontades pumilum is claimed to have beneficial effects in the treatment of diabetes mellitus (DM), however the underlying mechanisms were not fully identified. In this study, we hypothesized that M. pumilum could help to enhance cellular glucose uptake and reduces pancreatic complications, which contributed towards its beneficial effects in DM. METHODS: Two parameters were measured (i) rate of glucose uptake by 3T3-L1 adipocyte cells in-vitro (ii) degree of pancreatic destruction in streptozotocin-nicotinamide induced male diabetic rats receiving M...
October 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29040941/influence-of-arbuscular-mycorrhizal-fungi-on-antimony-phyto-uptake-and-compartmentation-in-vegetables-cultivated-in-urban-gardens
#13
Antoine Pierart, Camille Dumat, Arthur QuyManh Maes, Nathalie Sejalon-Delmas
1. CONTEXT: Urban areas are often contaminated with various forms of persistent metal (loid) and emerging contaminants such as antimony (Sb). Thus, in the context of urban agriculture where sustainable practices such as biofertilizers application (arbuscular mycorrhizal fungi, AMF) could improve nutrient transfer from the soil to the vegetables, the effect of AMF on metal (loid) mobility and human bioaccessibility is still poorly known. 2. METHODS: The role of AMF in Sb uptake by lettuce and carrot grown in artificial substrate spiked with different Sb chemical species was investigated...
October 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/29036459/the-multiple-facets-of-root-iron-reduction
#14
Louis Grillet, Wolfgang Schmidt
The biological significance of iron (Fe) is based on its propensity to oscillate between the ferric and ferrous forms, a transition that also affects its phyto-availability in soils. With the exception of grasses, Fe3+ is unavailable to plants. Most angiosperms employ a reduction-based Fe uptake mechanism, which relies on enzymatic reduction of ferric iron as an obligatory, rate-limiting step prior to uptake. This system functions optimally in acidic soils. Calcicole plants are, however, exposed to environments that are alkaline and/or have suboptimal availability of phosphorous, conditions under which the enzymatic reduction mechanism ceases to work effectively...
September 25, 2017: Journal of Experimental Botany
https://www.readbyqxmd.com/read/29024903/bacteria-mould-and-yeast-spore-inactivation-studies-by-scanning-electron-microscope-observations
#15
Siti N M Rozali, Elham A Milani, Rebecca C Deed, Filipa V M Silva
Spores are the most resistant form of microbial cells, thus difficult to inactivate. The pathogenic or food spoilage effects of certain spore-forming microorganisms have been the primary basis of sterilization and pasteurization processes. Thermal sterilization is the most common method to inactivate spores present on medical equipment and foods. High pressure processing (HPP) is an emerging and commercial non-thermal food pasteurization technique. Although previous studies demonstrated the effectiveness of thermal and non-thermal spore inactivation, the in-depth mechanisms of spore inactivation are as yet unclear...
October 4, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/29023411/scientific-study-of-gentiana-kurroo-royle
#16
REVIEW
Bhat Mohd Skinder, Bashir Ahmad Ganai, Abdul Hamid Wani
The present investigation was carried out to review and highlight the potential phytochemicals and medicinal phenomena of the critically endangered medicinal plant, Gentiana kurroo Royle of the western and north-western Himalayas. The medicinal plant is heavily exploited for root and rhizome. Due to its endemic nature and the high rate of exploitation from its natural habitat, this species had become critically endangered. The phytochemical screening of the plant revealed that the plant contains some vital phyto-constituents (iridoids, xanthones, C-glucoxanthone mangiferin, and C-glucoflavones) that have a medicinal value for various acute and chronic diseases...
October 12, 2017: Medicines (Basel, Switzerland)
https://www.readbyqxmd.com/read/28994299/use-of-the-bovine-udder-skin-model-to-evaluate-the-tolerability-of-mesem-cosmetic-cream
#17
Christa Raak, Friedrich Molsberger, Wolfgang Pittermann, Mathias Bertram, Sibylle Robens, Thomas Ostermann
Observational studies of Mesem cream (based on Mesembryanthemum crystallinum L. plant extract) found that it had positive effects on skin hydration and smoothing of the skin. However, some patients reported skin irritation effects. The current study evaluated the skin tolerability of Mesem cream, as compared to the carrier cream (without the active ingredient), by using the isolated perfused bovine udder skin model. The primary outcomes investigated were cytotoxicity (i.e. cell viability), assessed with the MTT assay, and irritancy and inflammation, assessed by measuring PGE₂ tissue levels...
September 2017: Alternatives to Laboratory Animals: ATLA
https://www.readbyqxmd.com/read/28986927/effects-of-phyto-oestrogen-quercetin-on-productive-performance-hormones-reproductive-organs-and-apoptotic-genes-in-laying-hens
#18
J X Yang, M T Chaudhry, J Y Yao, S N Wang, B Zhou, M Wang, C Y Han, Y You, Y Li
Quercetin, a polyphenolic flavonoid with diverse biological activities including anti-inflammatory and antiviral, inhibits lipid peroxidation, prevents oxidative injury and cell death. The purpose of the research was to investigate the effect of quercetin on productive performance, reproductive organs, hormones and apoptotic genes in laying hens between 37 and 45 weeks of age, because of the structure and oestrogenic activities similar to 17β-oestradiol. The trial was conducted using 240 Hessian laying hens (37 weeks old), housed in wire cages with two hens in each cage...
October 6, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28979242/a-comparison-of-microsatellites-in-phytopathogenic-aspergillus-species-in-order-to-develop-markers-for-the-assessment-of-genetic-diversity-among-its-isolates
#19
Sahil Mahfooz, Satyendra P Singh, Nishtha Mishra, Aradhana Mishra
The occurrence of Microsatellites (SSRs) has been witnessed in most of the fungal genomes however its abundance varies across species. In the present study, we analyzed the frequency of SSRs in the whole genome and transcripts of two phyto-pathogenic (Aspergillus niger and Aspergillus terreus) and compared them with two non-pathogenic (Aspergillus nidulans and Aspergillus oryzae) Aspergillus. Higher relative abundance and relative density of SSRs were observed in the whole genome and transcript sequences of the pathogenic Aspergillus when compared to the non-pathogenic...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28974815/antioxidant-potentials-of-successive-solvent-extracts-from-the-unexplored-hedhychium-coronarium-rhizome
#20
Suchitra Kumari Panigrahy, Awanish Kumar, Renu Bhatt
Hedychium coronarium Koen. is considered as an endemic medicinal plant. In the current research antioxidant potential of six different extracts obtained by the successive solvent extraction method from the unexplored H. coronarium rhizome was evaluated. Various in vitro assays were performed to achieve the aim and variation in scavenging potential of the six extracts, in addition to quantification of phenolic and flavonoid compounds was done by HPLC. Among the six extracts, methanolic extract have showed highest Total phenolic content (TPC), metal chelation activity and free radical scavenging potential against DPPH, ABTS and superoxide anions as compared to other extracts...
September 2017: Journal of Food Science and Technology
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