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https://www.readbyqxmd.com/read/28317904/robust-and-elastic-lunar-and-martian-structures-from-3d-printed-regolith-inks
#1
Adam E Jakus, Katie D Koube, Nicholas R Geisendorfer, Ramille N Shah
Here, we present a comprehensive approach for creating robust, elastic, designer Lunar and Martian regolith simulant (LRS and MRS, respectively) architectures using ambient condition, extrusion-based 3D-printing of regolith simulant inks. The LRS and MRS powders are characterized by distinct, highly inhomogeneous morphologies and sizes, where LRS powder particles are highly irregular and jagged and MRS powder particles are rough, but primarily rounded. The inks are synthesized via simple mixing of evaporant, surfactant, and plasticizer solvents, polylactic-co-glycolic acid (30% by solids volume), and regolith simulant powders (70% by solids volume)...
March 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28285937/prevention-of-cardiac-adverse-events-associated-with-the-use-of-drugs-in-patients-with-severe-mental-illness-case-report
#2
Elena López-Lunar, Cristóbal Manuel Rodríguez-Leal, Rosa María Provencio-Arranz, José Manuel Carrascosa-Bernáldez, Álvaro Rivera-Villaverde
No abstract text is available yet for this article.
March 9, 2017: Revista Española de Cardiología
https://www.readbyqxmd.com/read/28261864/total-and-visceral-adiposity-are-associated-with-prevalent-vertebral-fracture-in-women-but-not-men-at-age-62-years-the-newcastle-thousand-families-study
#3
Karen Hind, Mark Pearce, Fraser Birrell
Low body weight is an established risk factor for osteoporosis and fracture, but the skeletal risks of higher adiposity are unclear and appear sex-specific and site-dependent. The aim of this study was to investigate associations of total fat mass (TFM), visceral adipose tissue (VAT), and C-reactive protein (CRP) with bone mineral density (BMD) and prevalent vertebral fracture (VF) in men and women aged 62 years. A total of 352 men and women aged 62.5 ± 0.5 years from the Newcastle Thousand Families Study cohort received dual-energy X-ray absorptiometry (DXA) evaluations of femoral neck and lumbar spine BMD, of the lateral spine for vertebral fracture assessment, and of the whole body for TFM and VAT (GE Lunar CoreScan, Madison, WI, USA)...
March 6, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28258604/the-effect-of-lunisolar-tidal-acceleration-upon-stem-elongation-growth-nutations-and-leaf-movements-in-peppermint-mentha-%C3%A3-piperita-l
#4
Urszula Zajączkowska, Peter W Barlow
• Orbital movement of the Moon generates a system of gravitational fields which periodically alters the gravitational force on Earth. This lunar tidal acceleration (Etide) is known to act as an external environmental factor affecting many growth and developmental phenomena in plants. Our study has focused on the lunar tidal influence on stem elongation growth, nutations, and leaf movements of peppermint. • Plants were continuously recorded by time-lapse photography under constant illumination as well in constant illumination following five days of alternating dark-light cycles...
March 3, 2017: Plant Biology
https://www.readbyqxmd.com/read/28258473/sarcopenia-in-rheumatoid-arthritis-prevalence-influence-of-disease-activity-and-associated-factors
#5
Ange Ngeuleu, F Allali, L Medrare, A Madhi, H Rkain, N Hajjaj-Hassouni
Evaluate the prevalence of sarcopenia on patients with rheumatoid arthritis (RA), the influence of sarcopenia on disease activity and factors associated with sarcopenia. One hundred and twenty-three patients aged over 18 years with RA based on the 1987 ACR/EULAR classification criteria were enrolled. We performed a whole body DXA scan using a dual-energy X-ray absorptiometry (DXA) scanner lunar prodigy to measure fat mass, lean mass, and bone mass in the whole body and body parts. According to the anthropometric equation by Baumgartner et al...
March 3, 2017: Rheumatology International
https://www.readbyqxmd.com/read/28246647/evaporative-fractionation-of-zinc-during-the-first-nuclear-detonation
#6
James M D Day, Frédéric Moynier, Alex P Meshik, Olga V Pradivtseva, Donald R Petit
Volatile element and compound abundances vary widely in planets and were set during the earliest stages of solar system evolution. Experiments or natural analogs approximating these early conditions are limited. Using silicate glass formed from arkosic sands during the first nuclear detonation at the Trinity test site, New Mexico, we show that the isotopes of zinc were fractionated during evaporation. The green silicate glasses, termed "trinitite," show +0.5 ± 0.1‰/atomic mass unit isotopic fractionation from ~200 m to within 10 m of ground zero of the detonation, corresponding to an α fractionation factor between 0...
February 2017: Science Advances
https://www.readbyqxmd.com/read/28224926/a-30-month-worksite-based-lifestyle-program-to-promote-cardiovascular-health-in-middle-aged-bank-employees-design-of-the-tansnip-pesa-randomized-controlled-trial
#7
Jennifer K Coffeng, Hidde P van der Ploeg, José M Castellano, Juan M Fernández-Alvira, Borja Ibáñez, Inés García-Lunar, Allard J van der Beek, Antonio Fernández-Ortiz, Agustín Mocoroa, Laura García-Leal, Evelyn Cárdenas, Carolina Rojas, María I Martínez-Castro, Silvia Santiago-Sacristán, Miriam Fernández-Gallardo, José M Mendiguren, Sameer Bansilal, Willem van Mechelen, Valentín Fuster
BACKGROUND: Cardiovascular disease (CVD) is the leading cause of death worldwide. With atherosclerosis as the underlying cause for many CVD events, prevention or reduction of subclinical atherosclerotic plaque burden (SAPB) through a healthier lifestyle may have substantial public health benefits. OBJECTIVE: The objective was to describe the protocol of a randomized controlled trial investigating the effectiveness of a 30-month worksite-based lifestyle program aimed to promote cardiovascular health in participants having a high or a low degree of SAPB compared with standard care...
February 2017: American Heart Journal
https://www.readbyqxmd.com/read/28222408/severe-osteoporosis-with-multiple-spontaneous-vertebral-fractures-in-a-young-male-carrying-triple-polymorphisms-in-the-vitamin-d-receptor-collagen-type-1-and-low-density-lipoprotein-receptor-related-peptide-5-genes
#8
Maria P Yavropoulou, Panagoulia Kollia, Dimitris Chatzidimitriou, Stavroula Samara, Lemonia Skoura, John G Yovos
Osteoporosis is a common disease with a strong genetic component. Several studies have reported the vitamin D receptor (VDR), collagen type I (COL1A1), and LDL receptor-related protein 5 (LRP5) genes as the most likely candidates. However, most of the studies have been carried out in postmenopausal women and older men and show inconsistent results. CASE PRESENTATION: We report a case of a 26-year old male who presented with severe back pain of acute onset, unrelated to any kind of trauma, and diffuse myalgia...
October 2016: Hormones: International Journal of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28214372/canonical-and-cellular-pathways-timing-gamete-release-in-acropora-digitifera-okinawa-japan
#9
Y Rosenberg, T Doniger, S Harii, F Sinniger, O Levy
Natural light cycles are important for synchronizing behavioral and physiological rhythms over varying time-periods in both plants and animals. An endogenous clock, regulated by positive and negative elements, interacting in feedback loops, control these rhythms. Many corals exhibit diel cycles of polyp expansion and contraction entrained by solar light patterns and monthly cycles of spawning or planulation that correspond to nocturnal lunar light cycles. However, despite considerable interest in studies of coral reproduction, there is currently not enough molecular information about the cellular pathways involved with synchronizing spawning/planulation in broadcast spawners and brooders...
February 18, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28205543/ontogenetic-loops-in-habitat-use-highlight-the-importance-of-littoral-habitats-for-early-life-stages-of-oceanic-fishes-in-temperate-waters
#10
Patrick Polte, Paul Kotterba, Dorothee Moll, Lena von Nordheim
General concepts of larval fish ecology in temperate oceans predominantly associate dispersal and survival to exogenous mechanisms such as passive drift along ocean currents. However, for tropical reef fish larvae and species in inland freshwater systems behavioural aspects of habitat selection are evidently important components of dispersal. This study is focused on larval Atlantic herring (Clupea harengus) distribution in a Baltic Sea retention area, free of lunar tides and directed current regimes, considered as a natural mesocosm...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28202722/systemic-delivery-of-factor-ix-messenger-rna-for-protein-replacement-therapy
#11
Suvasini Ramaswamy, Nina Tonnu, Kiyoshi Tachikawa, Pattraranee Limphong, Jerel B Vega, Priya P Karmali, Pad Chivukula, Inder M Verma
Safe and efficient delivery of messenger RNAs for protein replacement therapies offers great promise but remains challenging. In this report, we demonstrate systemic, in vivo, nonviral mRNA delivery through lipid nanoparticles (LNPs) to treat a Factor IX (FIX)-deficient mouse model of hemophilia B. Delivery of human FIX (hFIX) mRNA encapsulated in our LUNAR LNPs results in a rapid pulse of FIX protein (within 4-6 h) that remains stable for up to 4-6 d and is therapeutically effective, like the recombinant human factor IX protein (rhFIX) that is the current standard of care...
March 7, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28194138/phenotypic-microdiversity-and-phylogenetic-signal-analysis-of-traits-related-to-social-interaction-in-bacillus-spp-from-sediment-communities
#12
Dolores María Rodríguez-Torres, África Islas-Robles, Zulema Gómez-Lunar, Luis Delaye, Ismael Hernández-González, Valeria Souza, Michael Travisano, Gabriela Olmedo-Álvarez
Understanding the relationship between phylogeny and predicted traits is important to uncover the dimension of the predictive power of a microbial composition approach. Numerous works have addressed the taxonomic composition of bacteria in communities, but little is known about trait heterogeneity in closely related bacteria that co-occur in communities. We evaluated a sample of 467 isolates from the Churince water system of the Cuatro Cienegas Basin (CCB), enriched for Bacillus spp. The 16S rRNA gene revealed a random distribution of taxonomic groups within this genus among 11 sampling sites...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28161040/heavy-pollution-episodes-transport-pathways-and-potential-sources-of-pm2-5-during-the-winter-of-2013-in-chengdu-china
#13
Tingting Liao, Shan Wang, Jie Ai, Ke Gui, Bolong Duan, Qi Zhao, Xiao Zhang, Wanting Jiang, Yang Sun
Air mass concentration data from 8 environmental quality monitoring sites and meteorological data of Chengdu from 1 December 2013 to 28 February 2014 were used in this study. Chengdu suffered five continuous heavy pollutions during this winter due to the basin terrain and the meteorological conditions of low wind speed, low precipitation and high relative humidity. Analysing the hourly resolution time series of pollutants' concentrations, variation of PM2.5 in the urban area followed a growing "saw-tooth cycle" pattern during the heavy pollution, with a daily cycle of bimodal distribution...
April 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28153410/effectiveness-of-osteoporosis-self-assessment-tool-for-asians-in-screening-for-osteoporosis-in-healthy-males-over-40-years-old-in-china
#14
Ji-Yuan Huang, Wen-Zhong Song, Mei Huang
In this study, we evaluated the effectiveness of the Osteoporosis Self-assessment Tool for Asians (OSTA) in screening for osteoporosis in the elderly male population in the Chengdu area, China. The Lunar Prodigy Advance bone densitometer was used to measure the bone mineral density of 11,039 healthy males over the age of 40 years. Men with OSTA scores of >-1, -4 < OSTA ≤ -1, or ≤-4 were assigned to the low-risk, moderate-risk, or high-risk group, respectively. The T-scores measured with dual-energy X-ray absorptiometry at the different sites were compared across the groups...
January 30, 2017: Journal of Clinical Densitometry
https://www.readbyqxmd.com/read/28141890/transcriptome-dynamics-over-a-lunar-month-in-a-broadcast-spawning-acroporid-coral
#15
Matthew J Oldach, Matthew Workentine, Mikhail V Matz, T-Y Fan, Peter D Vize
On one night per year, at a specific point in the lunar cycle, one of the most extraordinary reproductive events on the planet unfolds as hundreds of millions of broadcast spawning corals release their trillions of gametes into the waters of the tropical seas. Each species spawns on a specific night within the lunar cycle, typically from full moon to third quarter moon, and in a specific time window after sunset. This accuracy is essential to achieve efficient fertilization in the vastness of the oceans. In this report we use transcriptome sequencing at noon and midnight across an entire lunar cycle to explore how Acroporid corals interpret lunar signals...
January 31, 2017: Molecular Ecology
https://www.readbyqxmd.com/read/28129170/scaled-jump-in-gravity-reduced-virtual-environments
#16
MyoungGon Kim, SungIk Cho, Tanh Tran, Seong-Pil Kim, Ohung Kwon, JungHyun Han
The reduced gravity experienced in lunar or Martian surfaces can be simulated on the earth using a cable-driven system, where the cable lifts a person to reduce his or her weight. This paper presents a novel cable-driven system designed for the purpose. It is integrated with a head-mounted display and a motion capture system. Focusing on jump motion within the system, this paper proposes to scale the jump and reports the experiments made for quantifying the extent to which a jump can be scaled without the discrepancy between physical and virtual jumps being noticed by the user...
January 23, 2017: IEEE Transactions on Visualization and Computer Graphics
https://www.readbyqxmd.com/read/28128239/the-isotopic-nature-of-the-earth-s-accreting-material-through-time
#17
Nicolas Dauphas
The Earth formed by accretion of Moon- to Mars-size embryos coming from various heliocentric distances. The isotopic nature of these bodies is unknown. However, taking meteorites as a guide, most models assume that the Earth must have formed from a heterogeneous assortment of embryos with distinct isotopic compositions. High-precision measurements, however, show that the Earth, the Moon and enstatite meteorites have almost indistinguishable isotopic compositions. Models have been proposed that reconcile the Earth-Moon similarity with the inferred heterogeneous nature of Earth-forming material, but these models either require specific geometries for the Moon-forming impact or can explain only one aspect of the Earth-Moon similarity (that is, (17)O)...
January 25, 2017: Nature
https://www.readbyqxmd.com/read/28120333/effects-of-cremation-on-fetal-bones
#18
Michela Zana, Francesca Magli, Alessandra Mazzucchi, Elisa Castoldi, Daniele Gibelli, Giulia Caccia, Francesca Cornacchia, Daniel A Gaudio, Mirko Mattia, Cristina Cattaneo
The charring process is a weak point of anthropological analysis as it changes bone morphology and reduces information obtainable, specially in fetuses. This experiment aims at verifying the conservation of fetal bones after cremation. A total of 3138 fetuses of unknown sex and age were used, deriving from legal and therapeutic abortions from different hospitals of Milan. Cremations took place in modern crematoria. Nine cremation events were analyzed, each ranging from 57 to 915 simultaneously cremated fetuses...
January 25, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28119545/measurement-of-the-earth-s-rotation-720-bc-to-ad-2015
#19
F R Stephenson, L V Morrison, C Y Hohenkerk
New compilations of records of ancient and medieval eclipses in the period 720 BC to AD 1600, and of lunar occultations of stars in AD 1600-2015, are analysed to investigate variations in the Earth's rate of rotation. It is found that the rate of rotation departs from uniformity, such that the change in the length of the mean solar day (lod) increases at an average rate of +1.8 ms per century. This is significantly less than the rate predicted on the basis of tidal friction, which is +2.3 ms per century...
December 2016: Proceedings. Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28115741/bipolar-mood-cycles-and-lunar-tidal-cycles
#20
T A Wehr
In 17 patients with rapid cycling bipolar disorder, time-series analyses detected synchronies between mood cycles and three lunar cycles that modulate the amplitude of the moon's semi-diurnal gravimetric tides: the 14.8-day spring-neap cycle, the 13.7-day declination cycle and the 206-day cycle of perigee-syzygies ('supermoons'). The analyses also revealed shifts among 1:2, 1:3, 2:3 and other modes of coupling of mood cycles to the two bi-weekly lunar cycles. These shifts appear to be responses to the conflicting demands of the mood cycles' being entrained simultaneously to two different bi-weekly lunar cycles with slightly different periods...
January 24, 2017: Molecular Psychiatry
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