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Silicon nutrition

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https://www.readbyqxmd.com/read/28851964/a-heart-coronary-arteries-structure-of-carbon-nanofibers-graphene-silicon-composite-anode-for-high-performance-lithium-ion-batteries
#1
Xiaoxin Ma, Guangmei Hou, Qing Ai, Lin Zhang, Pengchao Si, Jinkui Feng, Lijie Ci
In an animal body, coronary arteries cover around the whole heart and supply the necessary oxygen and nutrition so that the heart muscle can survive as well as can pump blood in and out very efficiently. Inspired by this, we have designed a novel heart-coronary arteries structured electrode by electrospinning carbon nanofibers to cover active anode graphene/silicon particles. Electrospun high conductive nanofibers serve as veins and arteries to enhance the electron transportation and improve the electrochemical properties of the active "heart" particles...
August 29, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818756/interactions-between-aluminium-iron-and-silicon-in-cucumber-sativus-l-grown-under-acidic-conditions
#2
Nikolai P Bityutskii, Kirill L Yakkonen, Anastasiya I Petrova, Alexey L Shavarda
Aluminium (Al) is one of the major stressors for plants in acidic soils, negatively affecting plant growth and nutrient balances. Significant efforts have been undertaken to understand mechanisms of Al tolerance in plants. However, little is known of the relevance of iron (Fe) and silicon (Si) nutrition under Al stress conditions. The objectives of this study were to determine whether effects induced by Fe and Si are of importance for limitation of Al moving via xylem in plants (Cucumis sativus L.). Cucumber plants (cv...
August 4, 2017: Journal of Plant Physiology
https://www.readbyqxmd.com/read/28805096/perioperative-nursing-of-tracheal-silicon-stent-implantation-in-infants-report-on-four-cases
#3
Deli Li, Xiaoqing Li, Xiuli Yan, Yue Gu, Xueqin Yang, Fanzheng Meng
AIMS: To report experience of perioperative nursing of tracheal silicon stent implantation in infants. METHODS: Retrospective analysis on the cases of tracheal silicon stent implantation in infants in our hospital. RESULTS AND CONCLUSIONS: Since middle of 2014, totally four tracheal silicon stent implantation were performed in our center. Of them, one case was recurrent tracheoesophageal fistula and the other three cases were traheomalacia...
August 31, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28552424/physicochemical-and-colloidal-aspects-of-food-matrix-effects-on-gastrointestinal-fate-of-ingested-inorganic-nanoparticles
#4
REVIEW
David Julian McClements, Hang Xiao, Philip Demokritou
Inorganic nanoparticles, such as titanium dioxide, silicon dioxide, iron oxide, zinc oxide, or silver nanoparticles, are added to some food products and food packaging materials to obtain specific functional attributes, such as lightening, powder flow, nutrition, or antimicrobial properties. These engineered nanomaterials (ENMs) all have dimensions below 100nm, but may still vary considerably in composition, morphology, charge, surface properties and aggregation state, which effects their gastrointestinal fate and potential toxicity...
May 9, 2017: Advances in Colloid and Interface Science
https://www.readbyqxmd.com/read/28539734/honey-and-health-a-review-of-recent-clinical-research
#5
REVIEW
Saeed Samarghandian, Tahereh Farkhondeh, Fariborz Samini
Honey is one of the most appreciated and valued natural products introduced to humankind since ancient times. Honey is used not only as a nutritional product but also in health described in traditional medicine and as an alternative treatment for clinical conditions ranging from wound healing to cancer treatment. The aim of this review is to emphasize the ability of honey and its multitude in medicinal aspects. Traditionally, honey is used in the treatment of eye diseases, bronchial asthma, throat infections, tuberculosis, thirst, hiccups, fatigue, dizziness, hepatitis, constipation, worm infestation, piles, eczema, healing of ulcers, and wounds and used as a nutritious supplement...
April 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/28504920/silicon-s-role-in-abiotic-and-biotic-plant-stresses
#6
Daniel Debona, Fabrício A Rodrigues, Lawrence E Datnoff
Silicon (Si) plays a pivotal role in the nutritional status of a wide variety of monocot and dicot plant species and helps them, whether directly or indirectly, counteract abiotic and/or biotic stresses. In general, plants with a high root or shoot Si concentration are less prone to pest attack and exhibit enhanced tolerance to abiotic stresses such as drought, low temperature, or metal toxicity. However, the most remarkable effect of Si is the reduction in the intensities of a number of seedborne, soilborne, and foliar diseases in many economically important crops that are caused by biotrophic, hemibiotrophic, and necrotrophic plant pathogens...
August 4, 2017: Annual Review of Phytopathology
https://www.readbyqxmd.com/read/28446627/silicon-alleviates-nonalcoholic-steatohepatitis-by-reducing-apoptosis-in-aged-wistar-rats-fed-a-high-saturated-fat-high-cholesterol-diet
#7
Alba Garcimartín, M Elvira López-Oliva, Jorge A Sántos-López, Rosa A García-Fernández, Adrián Macho-González, Sara Bastida, Juana Benedí, Francisco J Sánchez-Muniz
Background: Lipoapoptosis has been identified as a key event in the progression of nonalcoholic fatty liver disease (NAFLD), and hence, antiapoptotic agents have been recommended as a possible effective treatment for nonalcoholic steatohepatitis (NASH). Silicon, included in meat as a functional ingredient, improves lipoprotein profiles and liver antioxidant defenses in aged rats fed a high-saturated fat, high-cholesterol diet (HSHCD). However, to our knowledge, the antiapoptotic effect of this potential functional meat on the liver has never been tested...
June 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28167952/interactions-between-nitrogen-and-silicon-in-rice-and-their-effects-on-resistance-toward-the-brown-planthopper-nilaparvata-lugens
#8
Xiaoying Wu, Yaoguang Yu, Scott R Baerson, Yuanyuan Song, Guohua Liang, Chaohui Ding, Jinbo Niu, Zhiqiang Pan, Rensen Zeng
Nitrogen (N) and silicon (Si) are two important nutritional elements required for plant growth, and both impact host plant resistance toward insect herbivores. The interaction between the two elements may therefore play a significant role in determining host plant resistance. We investigated this interaction in rice (Oryza sativa L.) and its effect on resistance to the herbivore brown planthopper Nilaparvata lugens (BPH). Our results indicate that high-level (5.76 mM) N fertilization reduced Si accumulation in rice leaves, and furthermore, this decrease was likely due to decreased expression of Si transporters OsLsi1 and OsLsi2...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28094308/silicon-availability-modifies-nutrient-use-efficiency-and-content-c-n-p-stoichiometry-and-productivity-of-winter-wheat-triticum-aestivum-l
#9
Silke Neu, Jörg Schaller, E Gert Dudel
Silicon (Si) is known as beneficial element for graminaceous plants. The importance of Si for plant functioning of cereals was recently emphasized. However, about the effect of Si availability on biomass production, grain yield, nutrient status and nutrient use efficiency for wheat (Triticum aestivum L.), as one of the most important crop plants worldwide, less is known so far. Consequently, we assessed the effect of a broad range of supply levels of amorphous SiO2 on wheat plant performance. Our results revealed that Si is readily taken up and accumulated basically in aboveground vegetative organs...
January 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/27729011/environmental-risk-factors-for-dementia-a-systematic-review
#10
REVIEW
Lewis O J Killin, John M Starr, Ivy J Shiue, Tom C Russ
BACKGROUND: Dementia risk reduction is a major and growing public health priority. While certain modifiable risk factors for dementia have been identified, there remains a substantial proportion of unexplained risk. There is evidence that environmental risk factors may explain some of this risk. Thus, we present the first comprehensive systematic review of environmental risk factors for dementia. METHODS: We searched the PubMed and Web of Science databases from their inception to January 2016, bibliographies of review articles, and articles related to publically available environmental data...
October 12, 2016: BMC Geriatrics
https://www.readbyqxmd.com/read/27712030/effectiveness-of-pressure-ulcer-prevention-strategies-for-adult-patients-in-intensive-care-units-a-systematic-review
#11
REVIEW
Nahla Tayyib, Fiona Coyer
BACKGROUND: Pressure ulcers are associated with substantial health burden, but could be preventable. Hospital-acquired pressure ulcers (HAPUs) prevention has become a priority for all healthcare settings, as it is considered a sign of quality of care providing. Intensive care unit (ICU) patients are at higher risk for HAPUs development. Despite the availability of published prevention strategies, there is a little evidence about which strategies can be safely integrated into routine standard care and have an impact on HAPUs prevention...
December 2016: Worldviews on Evidence-based Nursing
https://www.readbyqxmd.com/read/27699650/integrated-in-vitro-approaches-to-assess-the-bioaccessibility-and-bioavailability-of-silicon-biofortified-leafy-vegetables-and-preliminary-effects-on-bone
#12
Massimiliano D'Imperio, Giacomina Brunetti, Isabella Gigante, Francesco Serio, Pietro Santamaria, Angela Cardinali, Silvia Colucci, Fiorenza Minervini
Food industries are increasingly oriented toward new foods to improve nutritional status and/or to combat nutritional deficiency diseases. In this context, silicon biofortification could be an innovative tool for obtaining new foods with possible positive effects on bone mineralization. In this paper, an alternative and quick in vitro approach was applied in order to evaluate the potential health-promoting effects of five silicon-biofortified leafy vegetables (tatsoi, mizuna, purslane, Swiss chard and chicory) on bone mineralization compared with a commercial silicon supplement...
March 2017: In Vitro Cellular & Developmental Biology. Animal
https://www.readbyqxmd.com/read/27556767/prevention-of-pressure-ulcers-in-the-acute-care-setting-new-innovations-and-technologies
#13
REVIEW
Jacquelynn P Tran, Jillian M McLaughlin, Ramon T Li, Linda G Phillips
BACKGROUND: Pressure ulcers (PUs) challenge many in the healthcare field requiring costly and complex care. PUs result from prolonged ischemia and subsequent soft-tissue injury caused by unrelieved pressure over a bony prominence. Proper risk assessment and implementation of prevention strategies for PUs are crucial to providing comprehensive care while reducing healthcare costs. The emphasis has led to the expansion of research in PU prevention technologies in the recent years. The aim of this review is to present an evidence-based summary of some of the new innovations in PU prevention...
September 2016: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/27530434/green-bean-biofortification-for-si-through-soilless-cultivation-plant-response-and-si-bioaccessibility-in-pods
#14
Francesco Fabiano Montesano, Massimiliano D'Imperio, Angelo Parente, Angela Cardinali, Massimiliano Renna, Francesco Serio
Food plants biofortification for micronutrients is a tool for the nutritional value improvement of food. Soilless cultivation systems, with the optimal control of plant nutrition, represent a potential effective technique to increase the beneficial element content in plant tissues. Silicon (Si), which proper intake is recently recommended for its beneficial effects on bone health, presents good absorption in intestinal tract from green bean, a high-value vegetable crop. In this study we aimed to obtain Si biofortified green bean pods by using a Si-enriched nutrient solution in soilless system conditions, and to assess the influence of boiling and steaming cooking methods on Si content, color parameters and Si bioaccessibility (by using an in vitro digestion process) of pods...
2016: Scientific Reports
https://www.readbyqxmd.com/read/27525412/dietary-silicon-intake-of-korean-young-adult-males-and-its-relation-to-their-bone-status
#15
Mi-Kyeong Choi, Mi-Hyun Kim
Accumulated data suggests a positive effect of silicon on bone health; however, limited research exists on the silicon content of foods. To further the understanding of the relationship between dietary silicon intake and bone health, a food composition database of commonly consumed foods in Korea is required. For quantitative data on the intake levels of silicon, we analyzed the silicon content of 365 food items commonly consumed in Korea using inductively coupled plasma-atomic emission spectrometry following microwave-assisted digestion...
March 2017: Biological Trace Element Research
https://www.readbyqxmd.com/read/27494213/lack-of-relationship-between-masticatory-performance-and-nutritional-status-in-adults-with-natural-dentition
#16
Elan Ignacio Flores-Orozco, Gaby Esthela Tiznado-Orozco, Olga Dionicia Osuna-González, Claudia Lucero Amaro-Navarrete, Bernat Rovira-Lastra, Jordi Martinez-Gomis
OBJECTIVE: This study assessed the relation among several aspects of the masticatory function and the nutritional status in adults with natural dentition. DESIGN: One hundred adults with natural dentition participated in this cross-sectional study. They performed one free-style masticatory test consisting of five trials of 20 silicon-chewing cycles. The preferred chewing side was determined by calculating the asymmetry index. Masticatory performance was determined by sieving the silicon particles, and the cycle duration was also recorded...
November 2016: Archives of Oral Biology
https://www.readbyqxmd.com/read/27461433/efficacy-of-ethanol-locks-to-reduce-the-incidence-of-catheter-related-bloodstream-infections-for-home-parenteral-nutrition-pediatric-patients-comparison-of-therapeutic-treatment-with-prophylactic-treatment
#17
COMPARATIVE STUDY
Takafumi Kawano, Tatsuru Kaji, Shun Onishi, Koji Yamada, Waka Yamada, Kazuhiko Nakame, Motoi Mukai, Satoshi Ieiri
PURPOSE: Children with intestinal failure (IF) requiring central venous catheters (CVCs) often experience frequent catheter-related bloodstream infections (CRBSIs), which is a serious and life-threatening complication. To reduce the incidence of CRBSI, prophylactic ethanol lock therapy (ELT) was initiated. METHODS: Patients with IF received home parenteral nutrition via a silicone tunneled CVC. All of them had received therapeutic ELT from January 2009 (first period) and prophylactic ELT from December 2012 (second period)...
September 2016: Pediatric Surgery International
https://www.readbyqxmd.com/read/27379104/silicon-potential-to-promote-direct-and-indirect-effects-on-plant-defense-against-arthropod-pests-in-agriculture
#18
REVIEW
Olivia L Reynolds, Matthew P Padula, Rensen Zeng, Geoff M Gurr
Silicon has generally not been considered essential for plant growth, although it is well recognized that many plants, particularly Poaceae, have substantial plant tissue concentrations of this element. Recently, however, the International Plant Nutrition Institute [IPNI] (2015), Georgia, USA has listed it as a "beneficial substance". This reflects that numerous studies have now established that silicon may alleviate both biotic and abiotic stress. This paper explores the existing knowledge and recent advances in elucidating the role of silicon in plant defense against biotic stress, particularly against arthropod pests in agriculture and attraction of beneficial insects...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27329192/surgical-management-of-benign-acquired-tracheoesophageal-fistulas-a-ten-year-experience
#19
COMPARATIVE STUDY
Benoit Jacques Bibas, Paulo Francisco Guerreiro Cardoso, Helio Minamoto, Leandro Picheth Eloy-Pereira, Mauro Federico L Tamagno, Ricardo Mingarini Terra, Paulo Manoel Pêgo-Fernandes
BACKGROUND: Benign tracheoesophageal fistulas (TEFs) are rare, and surgical correction is the ideal method of treatment. The objective of this study was to evaluate the results of operative treatment of benign TEFs in patients from a tertiary referral center. METHODS: Retrospective study of patients with benign TEFs who were treated between January 2005 and December 2014. Preoperative evaluation included computed tomography of the chest, bronchoscopy, and upper endoscopy...
October 2016: Annals of Thoracic Surgery
https://www.readbyqxmd.com/read/27166214/improving-vitamin-d-status-and-related-health-in-young-women-the-safe-d-study-part-b
#20
Marjan Tabesh, Suzanne Marie Garland, Alexandra Gorelik, Alison Nankervis, Skye Maclean, Emma Teressa Callegari, Shanton Chang, Kayla Heffernan, John Dennis Wark
BACKGROUND: Vitamin D deficiency is highly prevalent and associated with increased risk of a number of chronic health conditions including cardiovascular disease, poor bone and muscle health, poor mental health, infection, and diabetes. Vitamin D deficiency affects millions of Australians, potentially causing considerable suffering, economic loss, and mortality. OBJECTIVE: To measure the effectiveness of a (1) mobile-based app (behavioral) and (2) pharmacological intervention to increase circulating 25-hydroxyvitamin D (serum 25 OHD) levels and health outcomes over 4 months of intervention compared with usual care in a cohort of young women with suboptimal serum 25 OHD levels (25-75 nmol/L)...
May 10, 2016: JMIR Research Protocols
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