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Ian K Bartol, Paul S Krueger, Carly A York, Joseph T Thompson
Squids, which swim using a coupled fin/jet system powered by muscular hydrostats, pose unique challenges for the study of locomotion. The high flexibility of the fins and complex flow fields generated by distinct propulsion systems require innovative techniques for locomotive assessment. For this study, we used proper orthogonal decomposition (POD) to decouple components of the fin motions and defocusing digital particle tracking velocimetry (DDPTV) to quantify the resultant 3D flow fields. Kinematic footage and DDPTV data were collected from brief squid Lolliguncula brevis [3...
May 22, 2018: Journal of Experimental Biology
Heli K Hyytiäinen, Sari H Mölsä, Jouni J T Junnila, Outi M Laitinen-Vapaavuori, Anna K Hielm-Björkman
This study aimed at developing a quantitative testing battery for dogs' stifle functionality, as, unlike in human medicine, currently none is available in the veterinary field. Forty-three dogs with surgically treated unilateral cranial cruciate ligament rupture and 21 dogs with no known musculoskeletal problems were included. Eight previously studied tests: compensation in sitting and lying positions, symmetry of thrust in hindlimbs when rising from lying and sitting, static weight bearing, stifle flexion and extension and muscle mass symmetry, were summed into the Finnish Canine Stifle Index (FCSI)...
May 19, 2018: Veterinary Record
Michael E Onah
A component of the 1965 Medicaid Act, the Institutions for Mental Diseases ("IMD") Exclusion was supposed to be a remedy for the brutal, dysfunctional mental healthcare system run through state hospitals. In the years since Medicaid was created, the IMD Exclusion has instead barred thousands of those in need of intensive, inpatient treatment from receiving it. As a result, many severely mentally ill individuals are left without adequate care and without a home. They struggle in the street where they are otherized by those in their community and are susceptible to confrontational episodes with law enforcement...
March 2018: American Journal of Law & Medicine
Robert D Vining, Stacie A Salsbury, W Carl Cooley, Donna Gosselin, Lance Corber, Christine M Goertz
Objectives: Individuals rehabilitating from complex neurological injury require a multidisciplinary approach, which typically does not include chiropractic care. This study describes inpatients receiving multidisciplinary rehabilitation including chiropractic care for brain injury, spinal cord injury (SCI), stroke, and other complex neurological conditions. Design: Chiropractic services were integrated into Crotched Mountain Specialty Hospital (CMSH) through this project...
2018: Journal of Multidisciplinary Healthcare
Janus D Christiansen, Mogens B Laursen, Ashir Ejaz, Poul T Nielsen
INTRODUCTION: The thrust plate prosthesis (TPP) was introduced to preserve bone in patients undergoing total hip arthroplasty. We assessed the long-term results of hip arthroplasty in patients who received the TPP compared to a traditional intramedullary stem (Bi-Metric). METHODS: In this prospective observational cohort study, we evaluated bone mineral density (BMD) using dual-energy X-ray absorptiometry (DXA), radiological imaging and clinical outcome using Harris Hip Score (HHS)...
May 1, 2018: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
Tibor Jacob Hajagos, Chao Liu, Nerine J Cherepy, Qibing Pei
The need for affordable and reliable radiation detectors has prompted significant investment in new radiation detector materials, due to concerns about national security and nuclear nonproliferation. Plastic scintillators provide an affordable approach to large volume detectors, yet their performance for high-energy gamma radiation is severely limited by the small radiation stopping power inherent to their low atomic number. Although some sensitization attempts with organometallics were made in the 1950s to 1960s, the concomitant decrease in light yield has limited the usefulness of these sensitized detectors...
May 7, 2018: Advanced Materials
Xinxin Liang, Jiali Yu, Huan Wang, Zihui Zhang
The avian pectoralis muscle is responsible for the wing's downstroke, which provides birds with lift and thrust for flight. In the present study, architectural parameters were investigated through growth in the pigeon (Columba livia), an altricial bird species, from the ages of 4 days to 12 months, in order to assess the morphological changes and effects of increasing body mass. Muscle mass, fascicle length, and physiological cross-sectional area (PCSA) increased with strong positive allometry. As an indicator of force production capacity, the PCSA increased 30-fold with the changes in body mass; it grew rapidly during the nesting period and post-fledging period into sexual maturity...
May 5, 2018: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
M U Beg, S A Butt, S Al-Dufaileej, Q Karam, T K Al-Sharrah, T Saeed
The health of a marine ecosystem can effectively be monitored by studying the levels of biomarkers in a representative species. A change in background level of a biomarker indicates exposure to a specific type of pollutants. It also identifies bioavailability and the organism response to the causative agent among the compounds present in the surrounding water body. Yellowfin seabream (Acanthopagrus latus), a local variety of fish, was examined for parent PAHs in the liver, its metabolites in bile by the GC-MS method as exposure biomarkers and cytochrome P4501A1 by assay of ethoxyresorufin-o-deethylase (EROD) in the liver as an effect biomarker...
May 4, 2018: Environmental Monitoring and Assessment
Geoffrey G Hallock
Just what is the S&T lecture? In the beginning it appeared to be a dubious distinction, another task thrust upon me but different in that I had absolutely no idea what was wanted or would be appropriate. At the least, it seemed reasonable to recite a simple introductory story for what would be an extraordinary conclave. First, an appreciation was due to our dedicated leaders of World Society of Reconstructive Microsurgery (WSRM), who this year (2017) have put together the most extravagant meeting ever, intended to include not just the glamorous but the entire scope of rudimentary reconstructive microsurgery...
May 3, 2018: Journal of Reconstructive Microsurgery
Kimberley A Wade, Robert A Nash, D Stephen Lindsay
Wixted, Mickes, and Fisher (this issue) take issue with the common trope that eyewitness memory is inherently unreliable. They draw on a large body of mock-crime research and a small number of field studies, which indicate that high-confidence eyewitness reports are usually accurate, at least when memory is uncontaminated and suitable interviewing procedures are used. We agree with the thrust of Wixted et al.'s argument and welcome their invitation to confront the mass underselling of eyewitnesses' potential reliability...
May 2018: Perspectives on Psychological Science: a Journal of the Association for Psychological Science
T Furukawa, K Takizawa, K Yano, D Kuwahara, S Shinohara
A two-dimensional scanning probe instrument has been developed to survey spatial plasma characteristics in our electrodeless plasma acceleration schemes. In particular, diagnostics of plasma parameters, e.g., plasma density, temperature, velocity, and excited magnetic field, are essential for elucidating physical phenomena since we have been concentrating on next generation plasma propulsion methods, e.g., Rotating Magnetic Field plasma acceleration method, by characterizing the plasma performance. Moreover, in order to estimate the thrust performance in our experimental scheme, we have also mounted a thrust stand, which has a target type, on this movable instrument, and scanned the axial profile of the thrust performance in the presence of the external magnetic field generated by using permanent magnets, so as to investigate the plasma captured in a stand area, considering the divergent field lines in the downstream region of a generation antenna...
April 2018: Review of Scientific Instruments
Spencer Twitchell, Michael Karsy, Jared Reese, Jian Guan, William T Couldwell, Andrew Dailey, Erica F Bisson
OBJECTIVE Efforts to examine the value of care-combining both costs and quality-are gaining importance in the current health care climate. This thrust is particularly evident in treating common spinal disease where both incidences and costs are generally high and practice patterns are variable. It is often challenging to obtain direct surgical costs for these analyses, which hinders the understanding of cost drivers and cost variation. Using a novel tool, the authors sought to understand the costs of posterior lumbar arthrodesis with interbody devices...
May 2018: Neurosurgical Focus
Katheryn Bachmann, Kaitlin Sipos, Violette Lavender, Lisa L Hunter
BACKGROUND: The video head impulse test (vHIT) is a new tool being used in vestibular clinics to assess the function of all six semicircular canals (SCCs) by measuring the gain of the vestibulo-ocular reflex (VOR) in response to rapid head turns. Whereas vHIT has been validated in adults for all SCCs, there are few studies describing the normal response in children, particularly for stimulation of the vertical canals. PURPOSE: The purpose of this study was to characterize the normal vHIT response for all six SCCs in children aged 4-12 years...
May 2018: Journal of the American Academy of Audiology
S Karatieieva, N Muzyka, S Semenenko, O Bakun, I Kozlovskaya
Investigation of ultrastructural peculiarities of morpho-functional changes of macrophages have been studied with the purpose of determining the dynamics and thrust of destructive-necrotic processes in these cells when the ischemic-gangrenous form of diabetic foot syndrome develops show what under the influence of intravenous ozone therapy stimulant effect on functional activity and beneficial effect on elimination, mainly due to genetically programmed cell death (apoptosis), playing a significant role in the regulatory mechanisms of the inflammatory process...
March 2018: Georgian Medical News
Tiffany Truong, Kevin Salire, Ignacio De Cicco, Sujit Cherian, Gabriel Aisenberg
The Heimlich maneuver or abdominal thrust is a recognized effective therapy for foreign-body airway obstruction. Serious complications, however, have been described. We present a case of an incarcerated diaphragmatic hernia secondary to Heimlich maneuver.
January 2018: Proceedings of the Baylor University Medical Center
Melike Kurt, Keith Moored
We present experiments that examine the modes of interaction, the collective performance and the role of three-dimensionality in two pitching propulsors in an in-line arrangement. Both two-dimensional foils and three-dimensional rectangular wings of $AR = 2$ are examined. \kwm{In contrast to previous work, two interaction modes distinguished as the coherent and branched wake modes are not observed to be directly linked to the propulsive efficiency, although they are linked to peak thrust performance and minimum power consumption as previously described \cite[]{boschitsch2014propulsive}...
April 19, 2018: Bioinspiration & Biomimetics
Nikolas L Krott, Gunnar M Bloyinski, Erik Cattrysse
OBJECTIVE: The purpose of this study was to investigate the influence of thoracic high-velocity low-amplitude thrust (HVLAT) manipulation on quantitative and qualitative 3-dimensional cervical spine kinematic patterns in a subgroup of patients with acute neck pain. METHODS: Thirty patients with acute neck pain, aged 20 to 59, received a thoracic HVLAT manipulation. Three-dimensional kinematics of the cervical spine were registered pretreatment and posttreatment using an electromagnetic tracking system...
April 15, 2018: Journal of Manipulative and Physiological Therapeutics
Aaron J Hartstein, Arthur J Lievre, Jason K Grimes, Sheri A Hale
OBJECTIVE: The purpose of this study was to investigate the immediate effects of thoracic spine thrust manipulation (TSM) on the upper limb provocation test (ULPT) and seated slump test (SST) in individuals with identified neurodynamic mobility impairments. A secondary aim was to determine if correlation existed between the perception of effect and improvements in neurodynamic mobility following a thrust manipulation compared with mobilization. METHODS: A pretest-posttest experimental design randomized 48 adults into 2 groups: TSM or mobilization...
May 2018: Journal of Manipulative and Physiological Therapeutics
Siddharth Patel, Avathamsa Athirasala, Paula Dos Passos Menezes, Narayanan Ashwanikumar, Ting Zou, Gaurav Sahay, Luiz Bertassoni
The ability to control cellular processes and precisely direct cellular reprogramming has revolutionized regenerative medicine. Recent advances in in vitro transcribed (IVT) mRNA technology with chemical modifications have led to development of methods that control spatio-temporal gene expression. Additionally, there is a current thrust towards the development of safe, integration-free approaches to gene therapy for translational purposes. In this review, we describe strategies of synthetic IVT mRNA modifications and non-viral technologies for intracellular delivery...
April 17, 2018: Tissue Engineering. Part A
Poly Buragohain, Ankit Garg, Song Feng, Peng Lin, S Sreedeep
The concept of sponge city has become very popular with major thrust on design of waste containment systems such as biofilter and green roofs. Factors that may influence pollutant ions retention in these systems will be soil type and also their interactions. The study investigated single and competitive interaction of copper in two soils and its influence on the fate prediction. Freundlich and Langmuir nonlinear isotherms were selected to quantify the retention results. Series of numerical simulations were conducted to model 1 D advection-dispersion transport for the two soils and analyse the role of isotherms...
April 11, 2018: Science of the Total Environment
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