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https://www.readbyqxmd.com/read/29451892/assessing-site-formation-and-assemblage-integrity-through-stone-tool-refitting-at-gruta-da-oliveira-almonda-karst-system-torres-novas-portugal-a-middle-paleolithic-case-study
#1
Marianne Deschamps, João Zilhão
We use stone tool refitting to assess palimpsest formation and stratigraphic integrity in the basal units of the Gruta da Oliveira archeo-stratigraphic sequence, layers 15-27, which TL and U-series dating places in late Marine Isotope Stage (MIS) 5 or early MIS 4. As in most karst contexts, the formation of this succession involved multiple and complex phenomena, including subsidence, bioturbation, carnivore activity and runoff as agents of potential post-depositional disturbance. During phases of stabilization, such as represented by layers 15, 21 and 22, the excavated area was inhabited and refits corroborate that post-depositional displacement is negligible...
2018: PloS One
https://www.readbyqxmd.com/read/29446703/use-of-the-5-mm-endoscopic-stapler-for-ligation-of-fistula-in-laparoscopic-assisted-repair-of-anorectal-malformation
#2
Bethany J Slater, Saundra Kay, Steven S Rothenberg
OBJECTIVE: Laparoscopic anorectoplasty (LARRP) for the treatment of select anorectal malformations has gained popularity due to enhanced visualization of the fistula and the ability to place the rectum within the sphincter complex while minimizing division of muscles and the perineal incision. However, given the technical challenges and reported complications of ligation, a number of techniques have been described, including using clips, suture ligation, endoloops, or division without closure...
February 15, 2018: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/29401200/actn3-genotype-in-professional-sport-climbers
#3
Michał Ginszt, Małgorzata Michalak-Wojnowska, Piotr Gawda, Magdalena Wojcierowska-Litwin, Iwona Korszeń-Pilecka, Małgorzata Kusztelak, Rafał Muda, Agata A Filip, Piotr Majcher
The functional RR genotype of the alpha-actinin-3 (ACTN3) gene has been reported to be associated with elite sprint/power athlete status. Although large and rapidly increasing number of studies have investigated the associations between the ACTN3 genotypes and athletic performance in various sport disciplines, there is a lack of studies on the genetic predisposition in Sport Climbing, which was selected to be part of the next Summer Olympic Games in Tokyo 2020 with three subdisciplines ('Lead Climbing', 'Speed Climbing' and 'Bouldering')...
February 1, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29389695/anthropometric-and-athletic-performance-combine-test-results-among-positions-within-grade-levels-of-high-school-aged-american-football-players
#4
Todd J Leutzinger, Zachary M Gillen, Amelia M Miramonti, Brianna D McKay, Alegra I Mendez, Joel T Cramer
The purpose of the present study was to investigate differences among player positions at three grade levels in elite, collegiate-prospective American football players. Participants' data (n = 7,160) were analyzed for this study [mean height (Ht) ± standard deviation (SD) = 178 ± 7 cm, weight (Wt) = 86 ± 19 kg]. Data were obtained from 12 different high school American football recruiting combines hosted by Zybek Sports (Boulder, Colorado). Eight two-way (9x3) mixed factorial ANOVAs [position (defensive back (DB), defensive end (DE), defensive lineman (DL), linebacker (LB), offensive lineman (OL), quarterback (QB), running back (RB), tight end (TE), and wide receiver (WR) x grade (freshmen, sophomores, and juniors)] were used to test for differences among the mean test scores for each combine measure [Ht, Wt, 40-yard (40yd) dash, pro-agility drill (PA), L-cone drill (LC), vertical jump (VJ), and broad jump (BJ)]...
January 30, 2018: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29300196/mesenteric-oxygenation-changes-associated-with-necrotizing-enterocolitis-and-pneumoperitoneum-after-multiple-blood-transfusions-a-case-report
#5
Terri Marin, James E Moore
BACKGROUND: The multifactorial pathology and broad clinical presentation of necrotizing enterocolitis (NEC) development in premature infants make prediction of disease onset extremely challenging. Over the past decade, packed red blood cell (PRBC) transfusions have been temporally linked to the development of NEC in severely anemic preterm infants, although this issue is highly controversial. PURPOSE: In this case study, we describe events of an extremely low birth-weight infant who developed NEC complicated by pneumoperitoneum after receiving multiple PRBC transfusions...
January 3, 2018: Advances in Neonatal Care: Official Journal of the National Association of Neonatal Nurses
https://www.readbyqxmd.com/read/29283009/is-global-constitutional-insurgency-the-key-to-transforming-the-world-order-and-saving-the-climate-brecher-jeremy-2015-climate-insurgency-a-strategy-for-survival-boulder-co-paradigm-publishers-170-pp-49-95-paperback-isbn-978-1-61205-821-4
#6
https://www.readbyqxmd.com/read/29280235/first-signs-of-macroinvertebrate-recovery-following-enhanced-restoration-of-boreal-streams-used-for-timber-floating
#7
Francesca Pilotto, Christer Nilsson, Lina E Polvi, Brendan G McKie
Although ecological restoration generally succeeds in increasing physical heterogeneity, many projects fail to enhance biota. Researchers have suggested several possible explanations, including insufficient restoration intensity, or time-lags in ecological responses that prevent detection of significant changes in short-term monitoring programs. This study aims to evaluate whether benthic macroinvertebrate communities responded to an expanded set of stream restoration measures within a study period of one to five years after completion of the restoration project...
December 26, 2017: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/29244559/thermoregulatory-behavior-simultaneously-promotes-and-forestalls-evolution-in-a-tropical-lizard
#8
Martha M Muñoz, Jonathan B Losos
The role of behavior in evolution has long been discussed, with some arguing that behavior promotes evolution by exposing organisms to selection (behavioral drive) and others proposing that it inhibits evolution by shielding organisms from environmental variation (behavioral inertia). However, this discussion has generally focused on the effects of behavior along a single axis without considering that behavior simultaneously influences selection in various niche dimensions. By examining evolutionary change along two distinct niche axes-structural and thermal-we propose that behavior simultaneously drives and impedes evolution in a group of Anolis lizards from the Caribbean island of Hispaniola...
January 2018: American Naturalist
https://www.readbyqxmd.com/read/29217323/noninvasive-monitoring-of-physiologic-compromise-in-acute-appendicitis-new-insight-into-an-old-disease
#9
Young Mee Choi, David Leopold, Kristen Campbell, Jane Mulligan, Greg Z Grudic, Steven L Moulton
INTRODUCTION: Physiologic compromise in children with acute appendicitis has heretofore been difficult to measure. We hypothesized that the Compensatory Reserve Index (CRI), a novel adjunctive cardiovascular status indicator, would be low for children presenting with acute appendicitis in proportion to their physiological compromise, and that CRI would rise with fluid resuscitation and surgical management of their disease. METHODS: Ninety-four children diagnosed with acute appendicitis were monitored with a CipherOx CRI™ M1 pulse oximeter (Flashback Technologies Inc...
November 13, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29212052/biotic-diversity-of-benthic-macroinvertebrates-at-contrasting-glacier-fed-systems-in-patagonia-mountains-the-role-of-environmental-heterogeneity-facing-global-warming
#10
María Laura Miserendino, Cecilia Brand, Luis B Epele, Cecilia Y Di Prinzio, Guillermo H Omad, Miguel Archangelsky, Oscar Martínez, Adriana M Kutschker
Patagonia is by far the largest glacierized area in South America. However, little is known about ecology, functioning and biodiversity of glacier-fed streams facing global warming. We investigated changes in environmental features and macroinvertebrate communities along a longitudinal gradient of glacier influence of two Patagonian systems that differ in glacier cover magnitude and the spatial sequence of lotic and lentic phases. Both glaciers, Torrecillas (~5.5km2, Torrecillas system) and Cónico (~0.44km2, Baggilt system), are retreating...
December 3, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29203388/the-occurrence-of-intersex-fishes-in-boulder-creek-colorado-is-a-recent-phenomenon
#11
David O Norris, Ashley L Bolden, Alan M Vajda
Gonads were examined visually and histologically from white sucker (Catostomus commersoni) and fathead minnows (Pimephales promelas) isolated from museum specimens collected from Boulder Creek, Colorado. These fishes were collected between 42 and 102 years ago before addition of large quantities of estrogenic chemicals via wastewater effluent was reported to disrupt reproductive structures and functions in white suckers living in Boulder Creek downstream of the wastewater treatment facility (WWTF) and in test exposures of fathead minnows to wastewater effluent at the WWTF...
December 1, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/29196430/aligning-practice-to-policies-changing-the-culture-to-recognize-and-reward-teaching-at-research-universities
#12
Michael Dennin, Zachary D Schultz, Andrew Feig, Noah Finkelstein, Andrea Follmer Greenhoot, Michael Hildreth, Adam K Leibovich, James D Martin, Mark B Moldwin, Diane K O'Dowd, Lynmarie A Posey, Tobin L Smith, Emily R Miller
Recent calls for improvement in undergraduate education within STEM (science, technology, engineering, and mathematics) disciplines are hampered by the methods used to evaluate teaching effectiveness. Faculty members at research universities are commonly assessed and promoted mainly on the basis of research success. To improve the quality of undergraduate teaching across all disciplines, not only STEM fields, requires creating an environment wherein continuous improvement of teaching is valued, assessed, and rewarded at various stages of a faculty member's career...
2017: CBE Life Sciences Education
https://www.readbyqxmd.com/read/29195407/a-large-ion-beam-device-for-laboratory-solar-wind-studies
#13
Zach Ulibarri, Jia Han, Mihály Horányi, Tobin Munsat, Xu Wang, Guy Whittall-Scherfee, Li Hsia Yeo
The Colorado Solar Wind Experiment is a new device constructed at the Institute for Modeling Plasma, Atmospheres, and Cosmic Dust at the University of Colorado. A large cross-sectional Kaufman ion source is used to create steady state plasma flow to model the solar wind in an experimental vacuum chamber. The plasma beam has a diameter of 12 cm at the source, ion energies of up to 1 keV, and ion flows of up to 0.1 mA/cm2. Chamber pressure can be reduced to 4 × 10-5 Torr under operating conditions to suppress ion-neutral collisions and create a monoenergetic ion beam...
November 2017: Review of Scientific Instruments
https://www.readbyqxmd.com/read/29180422/storm-rogue-wave-or-tsunami-origin-for-megaclast-deposits-in-western-ireland-and-north-island-new-zealand
#14
John F Dewey, Paul D Ryan
The origins of boulderite deposits are investigated with reference to the present-day foreshore of Annagh Head, NW Ireland, and the Lower Miocene Matheson Formation, New Zealand, to resolve disputes on their origin and to contrast and compare the deposits of tsunamis and storms. Field data indicate that the Matheson Formation, which contains boulders in excess of 140 tonnes, was produced by a 12- to 13-m-high tsunami with a period in the order of 1 h. The origin of the boulders at Annagh Head, which exceed 50 tonnes, is disputed...
November 27, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29180020/aptamers-in-bordeaux-2017-an-exceptional-mill%C3%A3-sime
#15
Jean-Jacques Toulmé, Laurent Azéma, Fabien Darfeuille, Eric Dausse, Guillaume Durand, Olivier Paurelle
About 150 participants attended the symposium organised at the Palais de la Bourse in Bordeaux, France on September 22-23, 2017. Thirty speakers from all over the world delivered lectures covering selection processes, aptamer chemistry and innovative applications of these powerful tools that display major advantages over antibodies. Beyond the remarkable science presented, lively discussion and fruitful exchange between participants made this meeting a great success. A series of lectures were focused on synthetic biology (riboswitches, new synthetic base pairs, mutated polymerases)...
November 24, 2017: Biochimie
https://www.readbyqxmd.com/read/29177119/diversity-of-bacterial-communities-on-the-facial-skin-of-different-age-group-thai-males
#16
Alisa Wilantho, Pamornya Deekaew, Chutika Srisuttiyakorn, Sissades Tongsima, Naraporn Somboonna
Background: Skin microbiome varies from person to person due to a combination of various factors, including age, biogeography, sex, cosmetics and genetics. Many skin disorders appear to be related to the resident microflora, yet databases of facial skin microbiome of many biogeographies, including Thai, are limited. Methods: Metagenomics derived B-RISA and 16S rRNA gene sequencing was utilized to identify the culture-independent bacterial diversity on Thai male faces (cheek and forehead areas)...
2017: PeerJ
https://www.readbyqxmd.com/read/29129517/comparison-of-three-different-hemostatic-devices-in-laparoscopic-myomectomy
#17
Hui-Yu Huang, Yu-Cheng Liu, Yi-Chieh Li, Hsin-Hong Kuo, Chin-Jung Wang
BACKGROUND: To compare conventional electrosurgery, LigaSure (Valleylab, Boulder, CO), and Harmonic scalpel (Ethicon Endosurgery, Cincinnati, OH) in terms of perioperative and postoperative outcomes during laparoscopic myomectomy (LM). METHODS: We retrospectively studied 817 women with symptomatic fibroids who underwent LM between January 1997 and September 2015. Three different instruments were used separately during surgery. The number and weight of removed fibroids, blood loss, operative time, postoperative decrease in the hemoglobin level, and length of hospital stay were measured for statistical analysis...
November 9, 2017: Journal of the Chinese Medical Association: JCMA
https://www.readbyqxmd.com/read/29118621/a-new-species-of-trachymyrmex-hymenoptera-formicidae-fungus-growing-ant-from-the-sierra-madre-oriental-of-northeastern-mexico
#18
Sergio R Sánchez-Peña, Manuela Citlali Chacón-Cardosa, Ricardo Canales-Del-Castillo, Lauren Ward, Diana Resendez-Pérez
Here we describe a new species of Trachymyrmex, T. pakawasp. n., from the Gran Sierra Plegada range of the Sierra Madre Oriental, in the states of Coahuila and Nuevo Leon, northeastern Mexico. Trachymyrmex pakawa is a large-sized species compared to other North American Trachymyrmex. Its geographic distribution includes the piedmont of the Gran Sierra Plegada at La Estanzuela, Monterrey, as well as peripheral mountains segregated from the Sierra Madre Oriental (Cerro de las Mitras, Sierra de Zapalinamé, Cañon de San Lorenzo, Cerro de las Letras)...
2017: ZooKeys
https://www.readbyqxmd.com/read/29056380/association-between-degradation-of-pharmaceuticals-and-endocrine-disrupting-compounds-and-microbial-communities-along-a-treated-wastewater-effluent-gradient-in-lake-mead
#19
Susanna M Blunt, Joshua D Sackett, Michael R Rosen, Mark J Benotti, Rebecca A Trenholm, Brett J Vanderford, Brian P Hedlund, Duane P Moser
The role of microbial communities in the degradation of trace organic contaminants in the environment is little understood. In this study, the biotransformation potential of 27 pharmaceuticals and endocrine-disrupting compounds was examined in parallel with a characterization of the native microbial community in water samples from four sites variously impacted by urban run-off and wastewater discharge in Lake Mead, Nevada and Arizona, USA. Samples included relatively pristine Colorado River water at the upper end of the lake, nearly pure tertiary-treated municipal wastewater entering via the Las Vegas Wash, and waters of mixed influence (Las Vegas Bay and Boulder Basin), which represented a gradient of treated wastewater effluent impact...
October 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29053151/highly-structured-prokaryote-communities-exist-within-the-skeleton-of-coral-colonies
#20
Vanessa R Marcelino, Madeleine Jh van Oppen, Heroen Verbruggen
Physiological performance, disease and bleaching prevalence are often patchy within individual coral colonies. These responses are largely influenced by coral-associated microbes, but how the coral microbiome changes over small spatial scales has never been quantified before. We performed a high-resolution quantification of the spatial scale of microbial species turnover (β-diversity) within skeletons of boulder-forming Porites corals. We found very strong prokaryotic species turnover across spatial scales ranging from 4 mm to 2 m within individual colonies, possibly resulting from dispersal limitation and microbial interactions...
October 20, 2017: ISME Journal
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