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Seed science

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https://www.readbyqxmd.com/read/28086808/a-quiet-harvest-linkage-between-ritual-seed-selection-and-the-historical-use-of-the-finger-bladed-knife-as-a-traditional-plant-breeding-tool-in-ifugao-philippines
#1
REVIEW
Kevin M Murphy
The transverse harvest knife, also commonly called the finger or finger-bladed knife, has been utilized by rice farmers in southeast Asia for many centuries. The finger knife persisted in many traditional cultures long after the introduction of the sickle, a tool which provided farmers with the means to execute a much faster harvest. Several theories in interpretative archaeology have attempted to account for this rejection of more modern technological innovations. These theories, which include community-based social organization ideas and practical reasons for the continued use of the finger knife, are presented in this paper...
January 13, 2017: Journal of Ethnobiology and Ethnomedicine
https://www.readbyqxmd.com/read/28079169/abnormalities-of-regional-brain-function-in-parkinson-s-disease-a-meta-analysis-of-resting-state-functional-magnetic-resonance-imaging-studies
#2
PingLei Pan, Yang Zhang, Yi Liu, He Zhang, DeNing Guan, Yun Xu
There is convincing evidence that abnormalities of regional brain function exist in Parkinson's disease (PD). However, many resting-state functional magnetic resonance imaging (rs-fMRI) studies using amplitude of low-frequency fluctuations (ALFF) have reported inconsistent results about regional spontaneous neuronal activity in PD. Therefore, we conducted a comprehensive meta-analysis using the Seed-based d Mapping and several complementary analyses. We searched PubMed, Embase, and Web of Science databases for eligible whole-brain rs-fMRI studies that measured ALFF differences between patients with PD and healthy controls published from January 1st, 2000 until June 24, 2016...
January 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28047979/tu-ab-brc-08-egs_brachy-a-fast-and-versatile-monte-carlo-code-for-brachytherapy-applications
#3
M Chamberland, R Taylor, D Rogers, R Thomson
PURPOSE: To introduce egs_brachy, a new, fast, and versatile Monte Carlo code for brachytherapy applications. METHODS: egs_brachy is an EGSnrc user-code based on the EGSnrc C++ class library (egs++). Complex phantom, applicator, and source model geometries are built using the egs++ geometry module. egs_brachy uses a tracklength estimator to score collision kerma in voxels. Interaction, spectrum, energy fluence, and phase space scoring are also implemented. Phase space sources and particle recycling may be used to improve simulation efficiency...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/27995068/shared-white-matter-alterations-across-emotional-disorders-a-voxel-based-meta-analysis-of-fractional-anisotropy
#4
Lisanne Michelle Jenkins, Alyssa Barba, Miranda Campbell, Melissa Lamar, Stewart A Shankman, Alex D Leow, Olusola Ajilore, Scott Aaron Langenecker
BACKGROUND: White matter (WM) integrity may represent a shared biomarker for emotional disorders (ED). Aims: To identify transdiagnostic biomarkers of reduced WM by meta-analysis of findings across multiple EDs. METHOD: Web of Science was searched systematically for studies of whole brain analysis of fractional anisotropy (FA) in adults with major depressive disorder, bipolar disorder, social anxiety disorder, obsessive-compulsive disorder or posttraumatic stress disorder compared with a healthy control (HC) group...
2016: NeuroImage: Clinical
https://www.readbyqxmd.com/read/27979716/seed-coating-science-or-marketing-spin
#5
REVIEW
Simone Pedrini, David J Merritt, Jason Stevens, Kingsley Dixon
Seed coating is the practice of covering seeds with external materials to improve handling, protection, and, to a lesser extent, germination enhancement and plant establishment. With an annual value exceeding US$1 billion dollars, this technology is mostly the preserve of the private research sector, with few links to the scientific community. Here, we analyse the science and industry of seed coating and its contribution to seed establishment and plant performance. We posit that a closer collaboration between academia and industry is critical to realising the potential of seed coating both as a tool for enhancing plant establishment in the face of the challenges posed to agricultural systems and to propel the multibillion-dollar global push for ecological restoration of degraded ecosystems...
December 12, 2016: Trends in Plant Science
https://www.readbyqxmd.com/read/27936288/staple-crops-biofortified-with-increased-vitamins-and-minerals-considerations-for-a-public-health-strategy
#6
Maria Nieves Garcia-Casal, Juan Pablo Peña-Rosas, Boitshepo Giyose
Biofortification of staple crops has been proposed as a strategy to address micronutrient malnutrition, particularly with respect to insufficient intake of vitamin A, iron, zinc, and folate. The World Health Organization, in collaboration with the Food and Agriculture Organization of the United Nations and the Sackler Institute for Nutrition Science at the New York Academy of Sciences, convened a technical consultation entitled "Staple Crops Biofortified with Vitamins and Minerals: Considerations for a Public Health Strategy" in April 2016...
December 9, 2016: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/27928535/dietary-habits-affect-quality-of-life-bowel-obstruction-caused-by-phytobezoar
#7
Majid Akrami, Mohammad Reza Sasani
Nutritional status is very important especially in older adults because of its effects on quality of life. Phytobezoar, for instance, that can lead to small bowel obstruction has risk factors such as excessive consumption of foods with high fiber content and inadequate chewing. These factors are related to dietary habits. Furthermore, aging process and some of related physiologic changes can predispose one to phytobezoar formation. We describe a 61-yr-old man presented to the Emergency Department of Nemazee Hospital, Shiraz University of Medical Sciences, Shiraz, Iran, in 2015 with small bowel obstruction due to phytobezoar following large amount of pomegranate seeds intake a few days before admission as an example of increased morbidity relating to unusual dietary habit...
August 2016: Iranian Journal of Public Health
https://www.readbyqxmd.com/read/27927842/parental-contributions-to-early-embryo-development-influences-of-urinary-phthalate-and-phthalate-alternatives-among-couples-undergoing-ivf-treatment
#8
Haotian Wu, Lisa Ashcraft, Brian W Whitcomb, Tayyab Rahil, Ellen Tougias, Cynthia K Sites, J Richard Pilsner
STUDY QUESTION: Are preconception urinary concentrations of phthalates and phthalate alternatives associated with diminished early stage embryo quality in couples undergoing IVF? SUMMARY ANSWER: Male, but not female, urinary concentrations of select metabolites of phthalates and phthalate alternatives are associated with diminished blastocyst quality. WHAT IS KNOWN ALREADY: Although phthalates are endocrine disrupting compounds associated with adverse reproductive health, they are in widespread use across the world...
January 2017: Human Reproduction
https://www.readbyqxmd.com/read/27906135/seed-germination-and-biochemical-profile-of-silybum-marianum-exposed-to-monometallic-and-bimetallic-alloy-nanoparticles
#9
Muhammad Salman Khan, Mehreen Zaka, Bilal Haider Abbasi, Latifur- Rahman, Afzal Shah
In recent years nanotechnology has become increasingly important in almost every field. The new and improved physical, chemical and biological properties of material at nanoscale have far reaching implications in the fields of science and technology. Nanoparticles' effect on various plant species must be investigated to develop a comprehensive toxicity profile for nanoparticles. The current study strives to evaluate the effects of nine types of metal nanoparticles including monometallic and bimetallic alloy nanoparticles [Ag, Au, Cu, AgCu (1:3), AgCu (3:1), AuCu (1:3), AuCu (3:1), AgAu (1:3), AgAu (3:1)] on seed germination, root and shoot growth and biochemical profile of Silybum marianum plant...
December 2016: IET Nanobiotechnology
https://www.readbyqxmd.com/read/27905401/chirped-pulse-amplification-in-an-extreme-ultraviolet-free-electron-laser
#10
David Gauthier, Enrico Allaria, Marcello Coreno, Ivan Cudin, Hugo Dacasa, Miltcho Boyanov Danailov, Alexander Demidovich, Simone Di Mitri, Bruno Diviacco, Eugenio Ferrari, Paola Finetti, Fabio Frassetto, David Garzella, Swen Künzel, Vincent Leroux, Benoît Mahieu, Nicola Mahne, Michael Meyer, Tommaso Mazza, Paolo Miotti, Giuseppe Penco, Lorenzo Raimondi, Primož Rebernik Ribič, Robert Richter, Eléonore Roussel, Sebastian Schulz, Luca Sturari, Cristian Svetina, Mauro Trovò, Paul Andreas Walker, Marco Zangrando, Carlo Callegari, Marta Fajardo, Luca Poletto, Philippe Zeitoun, Luca Giannessi, Giovanni De Ninno
Chirped pulse amplification in optical lasers is a revolutionary technique, which allows the generation of extremely powerful femtosecond pulses in the infrared and visible spectral ranges. Such pulses are nowadays an indispensable tool for a myriad of applications, both in fundamental and applied research. In recent years, a strong need emerged for light sources producing ultra-short and intense laser-like X-ray pulses, to be used for experiments in a variety of disciplines, ranging from physics and chemistry to biology and material sciences...
December 1, 2016: Nature Communications
https://www.readbyqxmd.com/read/27904549/effects-of-nigella-sativa-supplementation-on-blood-parameters-and-anthropometric-indices-in-adults-a-systematic-review-on-clinical-trials
#11
REVIEW
Alireza Mohtashami, Mohammad Hasan Entezari
BACKGROUND: Nigella sativa (N. sativa) has been used in traditional medicine and several studies have been performed in the last decades to reveal the effects of it on different medical disorders such as diabetes, dyslipidemia, hypertension, and obesity. We evaluated the effects of N. sativa supplementation on lipid profiles, glycemic control, blood pressure (BP), and some anthropometric indices in humans. MATERIALS AND METHODS: A search on published studies was done by using databases including PubMed, Google Scholar, Thomas Reuters Web of Science, and Cochrane...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27891467/an-in-vitro-comparative-study-of-shear-bond-strength-of-composite-resin-to-bleached-enamel-using-three-herbal-antioxidants
#12
Pratap Kumar Mukka, Nanda Kumar Komineni, Sambashivarao Pola, E Soujanya, Anand Ramtheerth Karne, Bhasker Nenavath, Sandeep Shiva, Pallavi Vuppunuthula
INTRODUCTION: If adhesive restorations are carried out imme-diately, the Shear Bond Strength (SBS) to bleached enamel is reduced. The use of antioxidants can be highlighted since it seems to be a more effective alternative to reduce or remove the residual oxygen and immediate improvement in SBS. AIM: The purpose of this in-vitro study was an attempt to regain the lost bond strength, for which, the comparison of SBS of composite resin to bleached enamel was carried out using various antioxidants i...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27885934/the-path-to-producing-pharmaceuticals-from-natural-products-uncovered-by-academia-from-the-perspective-of-a-science-coordinator
#13
Akihiko Fujie
To actualize the invention of all-Japanese medicines, the Department of Innovative Drug Discovery and Development (iD3) in the Japan Agency for Medical Research and Development (AMED) serves as the headquarters for the Drug Discovery Support Network. iD3 assists with creating research strategies for the seeds of medicines discovered by academia and provides technological support, intellectual property management, and aid for applying the seeds through industry-led efforts. In this review, from the perspective of a science coordinator, I will describe the current activities of the drug discovery support network and iD3 as well as the challenges and future developments of pharmaceutical research and development using the natural product drug discovery method...
January 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/27867801/ram-scb-simulations-of-electron-transport-and-plasma-wave-scattering-during-the-october-2012-double-dip-storm
#14
V K Jordanova, W Tu, Y Chen, S K Morley, A-D Panaitescu, G D Reeves, C A Kletzing
Mechanisms for electron injection, trapping, and loss in the near-Earth space environment are investigated during the October 2012 "double-dip" storm using our ring current-atmosphere interactions model with self-consistent magnetic field (RAM-SCB). Pitch angle and energy scattering are included for the first time in RAM-SCB using L and magnetic local time (MLT)-dependent event-specific chorus wave models inferred from NOAA Polar-orbiting Operational Environmental Satellites (POES) and Van Allen Probes Electric and Magnetic Field Instrument Suite and Integrated Science observations...
September 2016: Journal of Geophysical Research. Space Physics
https://www.readbyqxmd.com/read/27864245/social-networks-of-men-who-have-sex-with-men-and-their-implications-for-hiv-sti-interventions-results-from-a-cross-sectional-study-using-respondent-driven-sampling-in-a-large-and-a-small-city-in-tanzania
#15
Michael W Ross, Markus Larsson, Jerry Jacobson, Joyce Nyoni, Anette Agardh
OBJECTIVE: Men who have sex with men (MSM) in sub-Saharan Africa remain hidden and hard to reach for involvement in HIV and sexually transmitted infection (STI) services. The aim of the current study was to describe MSM social networks in a large and a small Tanzanian city in order to explore their utility for peer-based healthcare interventions. METHODS: Data were collected through respondent-driven sampling (RDS) in Dar es Salaam (n=197) and in Tanga (n=99) in 2012 and 2013, using 5 and 4 seeds, respectively...
November 18, 2016: BMJ Open
https://www.readbyqxmd.com/read/27845266/psidium-guajava-l-from-ethnobiology-to-scientific-evaluation-elucidating-bioactivity-against-pathogenic-microorganisms
#16
REVIEW
Maria Flaviana B Morais-Braga, Joara Nalyda P Carneiro, Antonio Júdson T Machado, Antonia Thassya L Dos Santos, Débora L Sales, Luciene F Lima, Fernando G Figueredo, Henrique Douglas M Coutinho
ETHNOPHARMACOLOGICAL RELEVANCE: The use of popular plants has guided pharmaceutical research aimed at combating pathogenic microorganisms. Psidium guajava L. is a plant of great versatility and it has been used both as food and as a therapeutic agent. Root, bark, leaves, fruits, flowers and seeds are used for medicinal purposes, especially in infusions and decoctions for oral and topical use. P. guajava is utilized in symptomatology treatment related to organ malfunction and of diseases caused by the action of pathogenic and/or opportunistic microorganisms...
December 24, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27811845/dental-pulp-stem-cells-express-tendon-markers-under-mechanical-loading-and-are-a-potential-cell-source-for-tissue-engineering-of-tendon-like-tissue
#17
Yu-Ying Chen, Sheng-Teng He, Fu-Hua Yan, Peng-Fei Zhou, Kai Luo, Yan-Ding Zhang, Yin Xiao, Min-Kui Lin
Postnatal mesenchymal stem cells have the capacity to differentiate into multiple cell lineages. This study explored the possibility of dental pulp stem cells (DPSCs) for potential application in tendon tissue engineering. The expression of tendon-related markers such as scleraxis, tenascin-C, tenomodulin, eye absent homologue 2, collagens I and VI was detected in dental pulp tissue. Interestingly, under mechanical stimulation, these tendon-related markers were significantly enhanced when DPSCs were seeded in aligned polyglycolic acid (PGA) fibre scaffolds...
December 16, 2016: International Journal of Oral Science
https://www.readbyqxmd.com/read/27780763/classification-schemes-for-carcinogenicity-based-on-hazard-identification-have-become-outmoded-and-serve-neither-science-nor-society
#18
Alan R Boobis, Samuel M Cohen, Vicki L Dellarco, John E Doe, Penelope A Fenner-Crisp, Angelo Moretto, Timothy P Pastoor, Rita S Schoeny, Jennifer G Seed, Douglas C Wolf
Classification schemes for carcinogenicity based solely on hazard-identification such as the IARC monograph process and the UN system adopted in the EU have become outmoded. They are based on a concept developed in the 1970s that chemicals could be divided into two classes: carcinogens and non-carcinogens. Categorization in this way places into the same category chemicals and agents with widely differing potencies and modes of action. This is how eating processed meat can fall into the same category as sulfur mustard gas...
December 2016: Regulatory Toxicology and Pharmacology: RTP
https://www.readbyqxmd.com/read/27754409/diet-quality-the-greeks-had-it-right
#19
John J B Anderson, David C Nieman
The Mediterranean diet is upheld in the 2015-2020 Dietary Guidelines as an example of an eating pattern that promotes good health, a healthy body weight, and disease prevention throughout the lifespan. The Mediterranean eating pattern is based on a variety of unprocessed plant foods including fruits, vegetables, whole grains, legumes, nuts, and seeds that are high in polyphenols. The majority of polyphenols arrive in the colon where bacteria degrade them into smaller phenolics that can be translocated via the portal vein to the liver...
October 14, 2016: Nutrients
https://www.readbyqxmd.com/read/27748197/pomegranate-consumption-and-blood-pressure-a-review
#20
Sedigheh Asgary, Mahtab Keshvari, Amirhossein Sahebkar, Nizal Sarrafzadegan
BACKGROUND: Pomegranate (Punica granatum L.) is a polyphenol-rich fruit with diverse medicinal properties. Several lines of experimental and clinical evidence have shown that pomegranate intake helps lowering blood pressure (BP) through different mechanisms. AIMS: This study aimed to present a narrative review on the anti-hypertensive properties of different parts of pomegranate such as pomegranate juice (PJ), pomegranate peels (PP), pomegranate seed oil (PSO), pomegranate fruit extract (PFE) and the mechanisms and phytochemicals responsible for these effects...
October 10, 2016: Current Pharmaceutical Design
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