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https://www.readbyqxmd.com/read/29434616/pollen-from-the-deep-sea-a-breakthrough-in-the-mystery-of-the-ice-ages
#1
REVIEW
María F Sánchez Goñi, Stéphanie Desprat, William J Fletcher, César Morales-Molino, Filipa Naughton, Dulce Oliveira, Dunia H Urrego, Coralie Zorzi
Pollen from deep-sea sedimentary sequences provides an integrated regional reconstruction of vegetation and climate (temperature, precipitation, and seasonality) on the adjacent continent. More importantly, the direct correlation of pollen, marine and ice indicators allows comparison of the atmospheric climatic changes that have affected the continent with the response of the Earth's other reservoirs, i.e., the oceans and cryosphere, without any chronological uncertainty. The study of long continuous pollen records from the European margin has revealed a changing and complex interplay between European climate, North Atlantic sea surface temperatures (SSTs), ice growth and decay, and high- and low-latitude forcing at orbital and millennial timescales...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29427426/geographic-and-host-associated-variations-in-bacterial-communities-on-the-floret-surfaces-of-field-grown-broccoli
#2
Min-Soo Kim, Jin-Woo Bae, Eun-Jin Park
Fresh vegetables harbor diverse bacterial populations on their surfaces. However, information on this microbiota is limited to a few types of fresh vegetables, and little is known about how it varies with geography and host condition. Here, we analyzed bacterial communities on the floret surfaces of 66 field-grown broccolis collected from 22 farms in four farming regions of Jeju Island using 454 pyrosequencing of 16S rRNA amplicons, and determined their relationship to farming region and host-associated factors...
February 2, 2018: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/29413796/varus-thrust-visualized-during-gait-was-associated-with-inverted-foot-in-patients-with-knee-osteoarthritis-an-exploratory-study
#3
Hiroshi Ohi, Hirotaka Iijima, Naoto Fukutani, Tomoki Aoyama, Eishi Kaneda, Kazuko Ohi, Hiromu Ito, Shuichi Matsuda, Abe Kaoru
The foot is speculated to play a role in knee joint kinematics. This exploratory cross-sectional study examined the association between static foot posture and the presence of varus thrust visualized during gait in patients with medial knee osteoarthritis (OA). Patients (n = 88 patients and 134 knees; age, 61-91 years; 68.2% female) with Kellgren/Lawrence (K/L) grade ≥1 in the medial compartment were included in this study and underwent gait observation for varus thrust. These patients' three-dimensional static foot posture while standing was evaluated and their tibiofemoral joint K/L grades and anatomical axis angles were also assessed as covariates...
January 29, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29413792/combined-effects-of-knee-brace-laterally-wedged-insoles-and-toe-in-gait-on-knee-adduction-moment-and-balance-in-moderate-medial-knee-osteoarthritis-patients
#4
Saad Jawaid Khan, Soobia Saad Khan, Juliana Usman, Abdul Halim Mokhtar, Noor Azuan Abu Osman
OBJECTIVE: To test the hypothesis that toe-in gait (TI) will further reduce first peak (Knee Adduction Moment) KAM and decrease balance when combined with a knee brace (KB) and laterally wedged insoles (LWI) in medial knee osteoarthritis (kOA) patients. PARTICIPANTS: Twenty patients with bilateral symptomatic medial kOA. INTERVENTIONS: 4-point leverage-based KB, full-length LWI with 5° inclination and toe-in gait (TI). MAIN OUTCOME MEASURES: First and second peak knee adduction moment (fKAM and sKAM respectively), balance and pain...
January 29, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29404550/frequent-detection-of-a-human-fecal-indicator-in-the-urban-ocean-environmental-drivers-and-covariation-with-enterococci
#5
Wiley C Jennings, Eunice C Chern, Diane O'Donohue, Michael G Kellogg, Alexandria B Boehm
Fecal pollution of surface waters presents a global human health threat. New molecular indicators of fecal pollution have been developed to address shortcomings of traditional culturable fecal indicators. However, there is still little information on their fate and transport in the environment. The present study uses spatially and temporally extensive data on traditional (culturable enterococci, cENT) and molecular (qPCR-enterococci, qENT and human-associated marker, HF183/BacR287) indicator concentrations in marine water surrounding highly-urbanized San Francisco, California, USA to investigate environmental and anthropogenic processes that impact fecal pollution...
February 6, 2018: Environmental Science. Processes & Impacts
https://www.readbyqxmd.com/read/29395545/erratum-to-recovery-of-trace-dna-and-its-application-to-dna-profiling-of-insoles-forensic-sci-int-145-1-2004-7-12
#6
Jo-Anne Bright, Susan F Petricevic
No abstract text is available yet for this article.
January 27, 2018: Forensic Science International
https://www.readbyqxmd.com/read/29395347/can-we-approach-theoretical-lipid-yields-in-microalgae
#7
REVIEW
Ilse M Remmers, René H Wijffels, Maria J Barbosa, Packo P Lamers
Can we approach theoretical lipid yields in microalgae? Yes: we can substantially reduce the gap between current and theoretical maximum yield. A realistic maximum is approximately 0.5g triacylglycerol (TAG) per mol photons, about five times higher than what is currently achieved in outdoor cultivation. Achieving this realistic maximum will require several breakthroughs. First, outdoor operation typically has low yields, mainly caused by fluctuating insolation. Future adaptive control models will help increase these yields...
January 29, 2018: Trends in Biotechnology
https://www.readbyqxmd.com/read/29391063/permissive-weight-bearing-in-trauma-patients-with-fracture-of-the-lower-extremities-prospective-multicenter-comparative-cohort-study
#8
Pishtiwan H S Kalmet, Guido Meys, Yvette Y V Horn, Silvia M A A Evers, Henk A M Seelen, Paul Hustinx, Heinrich Janzing, Alexander Vd Veen, Coen Jaspars, Jan Bernard Sintenie, Taco J Blokhuis, Martijn Poeze, Peter R G Brink
BACKGROUND: The standard aftercare treatment in surgically treated trauma patients with fractures around or in a joint, known as (peri)- or intra-articular fractures of the lower extremities, is either non-weight bearing or partial weight bearing. We have developed an early permissive weight bearing post-surgery rehabilitation protocol in surgically treated patients with fractures of the lower extremities. In this proposal we want to compare our early permissive weight bearing protocol to the existing current non-weight bearing guidelines in a prospective comparative cohort study...
February 2, 2018: BMC Surgery
https://www.readbyqxmd.com/read/29389857/estimation-of-foot-plantar-center-of-pressure-trajectories-with-low-cost-instrumented-insoles-using-an-individual-specific-nonlinear-model
#9
Xinyao Hu, Jun Zhao, Dongsheng Peng, Zhenglong Sun, Xingda Qu
Postural control is a complex skill based on the interaction of dynamic sensorimotor processes, and can be challenging for people with deficits in sensory functions. The foot plantar center of pressure (COP) has often been used for quantitative assessment of postural control. Previously, the foot plantar COP was mainly measured by force plates or complicated and expensive insole-based measurement systems. Although some low-cost instrumented insoles have been developed, their ability to accurately estimate the foot plantar COP trajectory was not robust...
February 1, 2018: Sensors
https://www.readbyqxmd.com/read/29384813/detection-of-near-falls-using-wearable-devices-a-systematic-review
#10
Ivan Pang, Yoshiro Okubo, Daina Sturnieks, Stephen R Lord, Matthew A Brodie
BACKGROUND AND PURPOSE: Falls among older people are a serious health issue. Remote detection of near falls may provide a new way to identify older people at high risk of falling. This could enable exercise and fall prevention programs to target the types of near falls experienced and the situations that cause near falls before fall-related injuries occur. The purpose of this systematic review was to summarize and critically examine the evidence regarding the detection of near falls (slips, trips, stumbles, missteps, incorrect weight transfer, or temporary loss of balance) using wearable devices...
January 30, 2018: Journal of Geriatric Physical Therapy
https://www.readbyqxmd.com/read/29376482/effects-of-orthopedic-insoles-on-static-balance-of-older-adults-wearing-thick-socks
#11
Christina Zong-Hao Ma, Duo Wai-Chi Wong, Anson Hong-Ping Wan, Winson Chiu-Chun Lee
BACKGROUND: The wearing of socks and insoles may affect the ability of the foot to detect tactile input influencing postural balance. OBJECTIVES: The aim of this study was to investigate whether (1) thick socks adversely affected the elderly postural balance and (2) orthopedic insoles could improve the elderly postural balance while wearing thick socks. STUDY DESIGN: Repeated-measures study design. METHODS: In total, 14 healthy older adults were recruited...
January 1, 2018: Prosthetics and Orthotics International
https://www.readbyqxmd.com/read/29375759/improving-the-use-of-environmental-diversity-as-a-surrogate-for-species-representation
#12
Fabio Albuquerque, Paul Beier
The continuous p-median approach to environmental diversity (ED) is a reliable way to identify sites that efficiently represent species. A recently developed maximum dispersion (maxdisp) approach to ED is computationally simpler, does not require the user to reduce environmental space to two dimensions, and performed better than continuous p-median for datasets of South African animals. We tested whether maxdisp performs as well as continuous p-median for 12 datasets that included plants and other continents, and whether particular types of environmental variables produced consistently better models of ED...
January 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29371890/diabetic-foot-australia-guideline-on-footwear-for-people-with-diabetes
#13
Jaap J van Netten, Peter A Lazzarini, David G Armstrong, Sicco A Bus, Robert Fitridge, Keith Harding, Ewan Kinnear, Matthew Malone, Hylton B Menz, Byron M Perrin, Klaas Postema, Jenny Prentice, Karl-Heinz Schott, Paul R Wraight
Background: The aim of this paper was to create an updated Australian guideline on footwear for people with diabetes. Methods: We reviewed new footwear publications, (inter)national guidelines, and consensus expert opinion alongside the 2013 Australian footwear guideline to formulate updated recommendations. Result: We recommend health professionals managing people with diabetes should: (1) Advise people with diabetes to wear footwear that fits, protects and accommodates the shape of their feet...
2018: Journal of Foot and Ankle Research
https://www.readbyqxmd.com/read/29344540/standing-height-as-a-prevention-measure-for-overuse-injuries-of-the-back-in-alpine-ski-racing-a-kinematic-and-kinetic-study-of-giant-slalom
#14
Jörg Spörri, Josef Kröll, Benedikt Fasel, Kamiar Aminian, Erich Müller
Background: In alpine ski racing, typical loading patterns of the back include a combined occurrence of spinal bending, torsion, and high peak loads. These factors are known to be associated with high spinal disc loading and have been suggested to be attributable to different types of spine deterioration. However, little is known about the effect of standing height (ie, the distance between the bottom of the running surface of the ski and the ski boot sole) on the aforementioned back loading patterns...
January 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29335751/transcranial-direct-current-stimulation-enhances-foot-sole-somatosensation-when-standing-in-older-adults
#15
Junhong Zhou, On-Yee Lo, Lewis A Lipsitz, Jue Zhang, Jing Fang, Brad Manor
Foot-sole somatosensation is critical for safe mobility in older adults. Somatosensation arises when afferent input activates a neural network that includes the primary somatosensory cortex. Transcranial direct current stimulation (tDCS), as a strategy to increase somatosensory cortical excitability, may, therefore, enhance foot-sole somatosensation. We hypothesized that a single session of tDCS would improve foot-sole somatosensation, and thus mobility, in older adults. Twenty healthy older adults completed this randomized, double-blinded, cross-over study consisting of two visits separated by one week...
January 15, 2018: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/29327547/-finite-element-analysis-on-the-effect-of-lateral-wedge-insole-intervention-on-the-contact-characteristics-of-the-subtalar-joint
#16
En-Chang Zhou, Ping Tang, Chuan-Ying Zhu, Shi-Ming Liu
OBJECTIVE: To establish a three-dimensional finite element model of the lower limb bones, and investigate the changes of the contact characteristics of the subtalar joint after using laterally wedge insole intervention. METHODS: Using the reverse modeling technology, the lower limb bones of normal adult volunteers was scanned by CT. Mimics 10.0 and Geomagic Studio 6.0 software were used to reconstruct the 3D morphology of bones and external soft tissue of the feet...
January 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29327335/classification-and-characterization-of-postural-transitions-using-instrumented-shoes
#17
Christopher Moufawad El Achkar, Constanze Lenbole-Hoskovec, Anisoara Paraschiv-Ionescu, Kristof Major, Kamiar Aminian, Christophe Büla
The frequency and quality of sit-to-stand and stand-to-sit postural transitions decrease with age and are highly relevant for fall risk assessment. Accurate classification and characterization of these transitions in daily life of older adults are therefore needed. In this study, we propose to use instrumented shoes for postural transition classification as well as transition duration estimation from insole force signals. In the first part, data were collected with 10 older adults and 10 young participants performing transitions in the laboratory while wearing the instrumented shoes, without arm assistance...
January 12, 2018: Medical & Biological Engineering & Computing
https://www.readbyqxmd.com/read/29299282/inducing-broadcast-coral-spawning-ex-situ-closed-system-mesocosm-design-and-husbandry-protocol
#18
Jamie Craggs, James R Guest, Michelle Davis, Jeremy Simmons, Ehsan Dashti, Michael Sweet
For many corals, the timing of broadcast spawning correlates strongly with a number of environmental signals (seasonal temperature, lunar, and diel cycles). Robust experimental studies examining the role of these putative cues in triggering spawning have been lacking until recently because it has not been possible to predictably induce spawning in fully closed artificial mesocosms. Here, we present a closed system mesocosm aquarium design that utilizes microprocessor technology to accurately replicate environmental conditions, including photoperiod, seasonal insolation, lunar cycles, and seasonal temperature from Singapore and the Great Barrier Reef (GBR), Australia...
December 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/29297103/long-term-pathological-gait-pattern-changes-after-talus-fractures-dynamic-measurements-with-a-new-insole
#19
Benedikt J Braun, Patrick Pelz, Nils T Veith, Mika Rollmann, Moritz Klein, Steven C Herath, Jörg H Holstein, Tim Pohlemann
PURPOSE: The aim of the current study was to describe long-term gait changes after talus fractures, identify patterns associated with poor outcome and discuss possible treatment options based on dynamic gait analysis. METHODS: Twenty-seven patients were followed-up clinically and via gait analysis after talus fracture osteosynthesis. Continuous dynamic pedobarography with a gait analysis insole was performed on a standardized parcours consisting of different gait tasks and matched to the outcome...
January 2, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29281893/adherence-over-time-the-course-of-adherence-to-customized-diabetic-insoles-as-objectively-assessed-by-a-temperature-sensor
#20
Dominic Ehrmann, Monika Spengler, Michael Jahn, Dea Niebuhr, Thomas Haak, Bernhard Kulzer, Norbert Hermanns
BACKGROUND: Temperature sensors are an objective way to assess adherence to diabetic footwear. Good adherence is essential for the prevention of diabetic foot problems. Little is known about the long-term course of adherence in patients at risk for diabetic foot problems. METHOD: A temperature sensor was incorporated into the specialized footwear of patients with type 2 diabetes after their first plantar ulceration. Kaplan-Meier curve was used to analyze when patients started to become nonadherent (not wearing the footwear for two straight weeks)...
December 1, 2017: Journal of Diabetes Science and Technology
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