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https://www.readbyqxmd.com/read/28529184/the-grade-working-group-clarifies-the-construct-of-certainty-of-evidence
#1
Monica Hultcrantz, David Rind, Elie A Akl, Shaun Treweek, Reem A Mustafa, Alfonso Iorio, Brian S Alper, Joerg J Meerpohl, M Hassan Murad, Mohammed T Ansari, Srinivasa Vittal Katikireddi, Pernilla Östlund, Sofia Tranæus, Robin Christensen, Gerald Gartlehner, Jan Brozek, Ariel Izcovich, Holger Schünemann, Gordon Guyatt
OBJECTIVE: To clarify the GRADE (grading of recommendations assessment, development and evaluation) definition of certainty of evidence and suggest possible approaches to rating certainty of the evidence for systematic reviews, health technology assessments and guidelines. STUDY DESIGN AND SETTING: This work was carried out by a project group within the GRADE Working Group, through brainstorming and iterative refinement of ideas, using input from workshops, presentations, and discussions at GRADE Working Group meetings to produce this document, which constitutes official GRADE guidance...
May 18, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28524381/antifungal-activity-of-gallic-acid-in-vitro-and-in-vivo
#2
Zhi-Jian Li, Meng Liu, Gulina Dawuti, Qin Dou, Yu Ma, Heng-Ge Liu, Silafu Aibai
Gallic acid (GA) is a polyphenol natural compound found in many medicinal plant species, including pomegranate rind (Punica granatum L.), and has been shown to have antiinflammatory and antibacterial properties. Pomegranate rind is used to treat bacterial and fungal pathogens in Uyghur and other systems of traditional medicine, but, surprisingly, the effects of GA on antifungal activity have not yet been reported. In this study, we aimed to investigate the inhibitory effects of GA on fungal strains both in vitro and in vivo...
May 19, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28490120/evaluation-of-antioxidant-potential-of-artocarpus-heterophyllus-l-j33-variety-fruit-waste-from-different-extraction-methods-and-identification-of-phenolic-constituents-by-lcms
#3
Mohd Nazrul Hisham Daud, Dian Nashiela Fatanah, Noriham Abdullah, Rohaya Ahmad
Artocarpus heterophyllus J33 (AhJ33) fruit is a popular and valuable jackfruit variety in Malaysia. For export, the pulp has to be separated from the skin which is usually discarded. Hence, the conversion of the fruit waste to food products with economic value needs to be explored utilizing the waste to wealth concept. This paper reports the evaluation of antioxidant potential of AhJ33 fruit waste (rind and rachis) extracts from three different extraction methods (maceration, percolation and Soxhlet). The antioxidant potential was assessed by DPPH radical scavenging, FRAP and β-carotene bleaching assays...
October 1, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28487537/evidence-of-cross-cutting-and-redox-reaction-in-khatyrka-meteorite-reveals-metallic-al-minerals-formed-in-outer-space
#4
Chaney Lin, Lincoln S Hollister, Glenn J MacPherson, Luca Bindi, Chi Ma, Christopher L Andronicos, Paul J Steinhardt
We report on a fragment of the quasicrystal-bearing CV3 carbonaceous chondrite Khatyrka recovered from fine-grained, clay-rich sediments in the Koryak Mountains, Chukotka (Russia). We show higher melting-point silicate glass cross-cutting lower melting-point Al-Cu-Fe alloys, as well as unambiguous evidence of a reduction-oxidation reaction history between Al-Cu-Fe alloys and silicate melt. The redox reactions involve reduction of FeO and SiO2 to Fe and Fe-Si metal, and oxidation of metallic Al to Al2O3, occurring where silicate melt was in contact with Al-Cu-Fe alloys...
May 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28486520/rapid-expansion-of-the-invasive-oyster-crassostrea-gigas-at-its-northern-distribution-limit-in-europe-naturally-dispersed-or-introduced
#5
Marc B Anglès d'Auriac, Eli Rinde, Pia Norling, Sylvie Lapègue, André Staalstrøm, Dag Ø Hjermann, Jens Thaulow
The Pacific oyster, Crassostrea gigas, was introduced to Europe for aquaculture purposes, and has had a rapid and unforeseen northward expansion in northern Europe. The recent dramatic increase in number of C. gigas populations along the species' northern distribution limit has questioned the efficiency of Skagerrak as a dispersal barrier for transport and survival of larvae. We investigated the genetic connectivity and possible spreading patterns between Pacific oyster populations on the southern Norwegian coast (4 localities) and Swedish and Danish populations by means of DNA microsatellite analysis of adult oysters, and by simulating larvae drift...
2017: PloS One
https://www.readbyqxmd.com/read/28474137/clinical-features-and-predictive-value-of-serum-inflammatory-markers-of-perivascular-involvement-in-immunoglobulin-g4-related-disease
#6
Hideya Yamamoto, Eiji Sugiyama, Masahiro Serikawa, Fuminari Tatsugami, Michiya Yokozaki, Toshiro Kitagawa, Atsushi Senoo, Yumiko Kubo Nakamoto, Kazuo Awai, Kazuaki Chayama, Yasuki Kihara
Vascular and/or perivascular involvements of sclerotic inflammation (perivasculitis) are a complication of immunoglobulin G4-related disease (IgG4-RD). We sought to examine clinical manifestations of perivasculitis by computed tomography (CT) in patients with elevated serum IgG4 levels, and then to evaluate some potential predictors of perivasculitis in definite IgG4-RD patients. From a database of patients with serum IgG4 measurements, we selected 81 patients with elevated serum IgG4 levels (≥135 mg/dl)...
May 4, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28469705/suppression-of-cinnamoyl-coa-reductase-increases-the-level-of-monolignol-ferulates-incorporated-into-maize-lignins
#7
Rebecca A Smith, Cynthia L Cass, Mona Mazaheri, Rajandeep S Sekhon, Marlies Heckwolf, Heidi Kaeppler, Natalia de Leon, Shawn D Mansfield, Shawn M Kaeppler, John C Sedbrook, Steven D Karlen, John Ralph
BACKGROUND: The cell wall polymer lignin provides structural support and rigidity to plant cell walls, and therefore to the plant body. However, the recalcitrance associated with lignin impedes the extraction of polysaccharides from the cell wall to make plant-based biofuels and biomaterials. The cell wall digestibility can be improved by introducing labile ester bonds into the lignin backbone that can be easily broken under mild base treatment at room temperature. The FERULOYL-CoA MONOLIGNOL TRANSFERASE (FMT) enzyme, which may be naturally found in many plants, uses feruloyl-CoA and monolignols to synthesize the ester-linked monolignol ferulate conjugates...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28452616/an-ovine-model-of-cerebral-catheter-venography-for-implantation-of-an-endovascular-neural-interface
#8
Thomas James Oxley, Nicholas Lachlan Opie, Gil Simon Rind, Kishan Liyanage, Sam Emmanuel John, Stephen Ronayne, Alan James McDonald, Anthony Dornom, Timothy John Haynes Lovell, Peter John Mitchell, Iwan Bennett, Sebastien Bauquier, Leon Norris Warne, Chris Steward, David Bruce Grayden, Patricia Desmond, Stephen M Davis, Terence John O'Brien, Clive N May
OBJECTIVE Neural interface technology may enable the development of novel therapies to treat neurological conditions, including motor prostheses for spinal cord injury. Intracranial neural interfaces currently require a craniotomy to achieve implantation and may result in chronic tissue inflammation. Novel approaches are required that achieve less invasive implantation methods while maintaining high spatial resolution. An endovascular stent electrode array avoids direct brain trauma and is able to record electrocorticography in local cortical tissue from within the venous vasculature...
April 28, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28429503/cleavage-of-a-p-p-double-bond-mediated-by-n-heterocyclic-carbenes
#9
Naoki Hayakawa, Kazuya Sadamori, Shota Tsujimoto, Miho Hatanaka, Tomonari Wakabayashi, Tsukasa Matsuo
The reaction of the bulky diphosphenes (Rind)P=P(Rind) (1; Rind=1,1,3,3,5,5,7,7-octa-R-substituted s-hydrindacen-4-yl) with two molecules of N-heterocyclic carbene (NHC; 1,3,4,5-tetramethylimidazol-2-ylidene) resulted in the quantitative formation of the NHC-bound phosphinidenes NHC→P(Rind) (2), along with the cleavage of the P=P double bond. The reaction times are dependent on the steric size of the Rind groups (11 days for 2 a (R=Et) and 2 h for 2 b (R=Et, Me) at room temperature). The mechanism for the double bond-breaking is proposed to proceed via the formation of the NHC-coordinated, highly polarized diphospehenes 3 as an intermediate...
April 21, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28428951/the-effect-of-flour-from-the-rind-of-the-yellow-passion-fruit-on-glycemic-control-of-people-with-diabetes-mellitus-type-2-a-randomized-clinical-trial
#10
Márcio Flávio Moura de Araújo, Vivian Saraiva Veras, Roberto Wagner Júnior Freire de Freitas, Maria do Livramento de Paula, Thiago Moura de Araújo, Lilian Raquel Alexandre Uchôa, Maria Wendiane Gueiros Gaspar, Maria da Conceição do Santos Oliveira Cunha, Maria Aparecida Alves de Oliveira Serra, Carolina Maria de Lima Carvalho, Edmara Chaves Costa, Marta Maria Coelho Damasceno
BACKGROUND: The single or combined use of herbal and dietary products with medications has shown benefits in the metabolic modulation of carbohydrates, in the restoring of the function of pancreatic beta cells, and in insulin resistance. To analyze the effect of the use of flour made from the rind of the yellow passion fruit on the glycemic control of people with diabetes mellitus type 2. METHODS: An open, prospective, randomized clinical trial was undertaken with 54 participants over an eight-week period...
2017: Journal of Diabetes and Metabolic Disorders
https://www.readbyqxmd.com/read/28403819/qtl-mapping-for-fruit-quality-in-citrus-using-dartseq-markers
#11
Maiara Curtolo, Mariângela Cristofani-Yaly, Rodrigo Gazaffi, Marco Aurélio Takita, Antonio Figueira, Marcos Antonio Machado
BACKGROUND: Citrus breeding programs have many limitations associated with the species biology and physiology, requiring the incorporation of new biotechnological tools to provide new breeding possibilities. Diversity Arrays Technology (DArT) markers, combined with next-generation sequencing, have wide applicability in the construction of high-resolution genetic maps and in quantitative trait locus (QTL) mapping. This study aimed to construct an integrated genetic map using full-sib progeny derived from Murcott tangor and Pera sweet orange and DArTseq™ molecular markers and to perform QTL mapping of twelve fruit quality traits...
April 12, 2017: BMC Genomics
https://www.readbyqxmd.com/read/28384738/should-we-screen-for-type-2-diabetes
#12
David M Rind
No abstract text is available yet for this article.
April 4, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/28343395/investigation-of-the-spectroscopic-information-on-functional-groups-related-to-carbohydrates-in-different-morphological-fractions-of-corn-stover-and-their-relationship-to-nutrient-supply-and-biodegradation-characteristics
#13
Hangshu Xin, Xue Ding, Liyang Zhang, Fang Sun, Xiaofan Wang, Yonggen Zhang
The objectives of this study were to investigate (1) nutritive values and biodegradation characteristics and (2) mid-IR spectroscopic features within the regions associated with carbohydrate functional groups (including cellulosic component (CELC), structural carbohydrate (STCHO), and total carbohydrate (CHO)) in different morphological fractions of corn stover. Furthermore, correlation and regression analyses were also applied to determine the relationship between nutritional values and spectroscopic parameters...
May 12, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28319798/cold-plasma-activated-hydrogen-peroxide-aerosol-inactivates-escherichia-coli-o157-h7-salmonella-typhimurium-and-listeria-innocua-and-maintains-quality-of-grape-tomato-spinach-and-cantaloupe
#14
Yunbin Jiang, Kimberly Sokorai, Georgios Pyrgiotakis, Philip Demokritou, Xihong Li, Sudarsan Mukhopadhyay, Tony Jin, Xuetong Fan
The purpose of this study was to investigate the efficacy of aerosolized hydrogen peroxide in inactivating bacteria and maintaining quality of grape tomatoes, baby spinach leaves and cantaloupes. Stem scars and smooth surfaces of tomatoes, spinach leaves, and cantaloupe rinds, inoculated with Escherichia coli O157:H7, Salmonella Typhimurium and Listeria innocua, were treated for 45s followed by additional 30min dwell time with hydrogen peroxide (7.8%) aerosols activated by atmospheric cold plasma. Non-inoculated samples were used to study the effects on quality and native microflora populations...
March 10, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28316627/green-synthesis-and-characterization-of-silver-nanoparticles-using-citrullus-lanatus-fruit-rind-extract
#15
Michael Ndikau, Naumih M Noah, Dickson M Andala, Eric Masika
The wide-scale application of silver nanoparticles (AgNPs) in areas such as chemical sensing, nanomedicine, and electronics has led to their increased demand. Current methods of AgNPs synthesis involve the use of hazardous reagents and toxic solvents. There is a need for the development of new methods of synthesizing AgNPs that use environmentally safe reagents and solvents. This work reports a green method where silver nanoparticles (AgNPs) were synthesized using silver nitrate and the aqueous extract of Citrullus lanatus fruit rind as the reductant and the capping agent...
2017: International Journal of Analytical Chemistry
https://www.readbyqxmd.com/read/28274409/unraveling-the-inhibition-mechanism-of-cyanidin-3-sophoroside-on-polyphenol-oxidase-and-its-effect-on-enzymatic-browning-of-apples
#16
Hridya Hemachandran, Amrita Anantharaman, Sankari Mohan, Gopalakrishnan Mohan, D Thirumal Kumar, Diksha Dey, Drishty Kumar, Priyanka Dey, Amrita Choudhury, C George Priya Doss, Siva Ramamoorthy
The hunt for anti-browning agents in the food and agricultural industries aims to minimize nutritional loss and prolong post harvest storage. In the present study, the effect of cyanidin-3-sophoroside (CS) from Garcinia mangostana rind, on polyphenol oxidase (PPO) activity was investigated. The non-competitive inhibition mode of CS was determined by Lineweaver Burk plot. CS forms a ground-state complex by quenching the intrinsic fluorescence of PPO. The static quenching was temperature-dependent with an activation energy of 4...
July 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28272919/in-situ-generation-of-chlorine-dioxide-for-surface-decontamination-of-produce
#17
Cheng-An Hwang, Lihan Huang, Vivian Chi-Hua Wu
Fresh fruits and vegetables are frequently contaminated with bacterial pathogens and implicated in foodborne illnesses. The objective of this study was to develop a unique surface decontamination method for produce using sodium chlorite and an acid in a sequential treatment. The surfaces of cantaloupe rinds, peels of cucumbers, stem scars of grape tomatoes, and leaves of baby spinach were inoculated with Salmonella or Listeria monocytogenes at 5 to 6 log CFU/g, submerged in 1.6 to 4% sodium chlorite solutions for 10 or 30 min, dried for 20 min, and then soaked in 6 mM hydrogen chloride (HCl) for 10 or 30 min and dried for 20 min...
March 8, 2017: Journal of Food Protection
https://www.readbyqxmd.com/read/28269269/suitability-of-nitinol-electrodes-in-neural-prostheses-such-as-endovascular-neural-interfaces
#18
Yan T Wong, Nicholas L Opie, Sam E John, Giulia Gerboni, Gil S Rind, Stephen M Ronayne, Kate E Fox, Thomas J Oxley, David B Grayden
A major challenge facing neural prostheses is the development of electrodes that are well tolerated by the brain and body. A novel way to circumvent the need to perform an invasive craniotomy and penetration of the blood-brain barrier to implant electrodes, is to guide electrodes up into the cerebral veins and place electrodes on the vessel walls adjacent to neuronal populations. To aid in the development of these stent based devices, microelectrodes manufactured from Nitinol would allow electrodes to be implanted via a catheter and then once deployed, alter their shape to conform to the vessel walls...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269267/feasibility-of-a-chronic-minimally-invasive-endovascular-neural-interface
#19
Nicholas L Opie, Gil S Rind, Sam E John, Stephen M Ronayne, David B Grayden, Anthony N Burkitt, Clive N May, Terence J O'Brien, Thomas J Oxley
Development of a neural interface that can be implanted without risky, open brain surgery will increase the safety and viability of chronic neural recording arrays. We have developed a minimally invasive surgical procedure and an endovascular electrode-array that can be delivered to overlie the cortex through blood vessels. Here, we describe feasibility of the endovascular interface through electrode viability, recording potential and safety. Electrochemical impedance spectroscopy demonstrated that electrode impedance was stable over 91 days and low frequency phase could be used to infer electrode incorporation into the vessel wall...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28256863/reversible-switching-of-cooperating-replicators
#20
Georg C Urtel, Thomas Rind, Dieter Braun
How can molecules with short lifetimes preserve their information over millions of years? For evolution to occur, information-carrying molecules have to replicate before they degrade. Our experiments reveal a robust, reversible cooperation mechanism in oligonucleotide replication. Two inherently slow replicating hairpin molecules can transfer their information to fast crossbreed replicators that outgrow the hairpins. The reverse is also possible. When one replication initiation site is missing, single hairpins reemerge from the crossbreed...
February 17, 2017: Physical Review Letters
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