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https://www.readbyqxmd.com/read/28915316/plate-pattern-clarification-of-the-marine-dinophyte-heterocapsa-triquetra-sensu-stein-dinophyceae-collected-at-the-kiel-fjord-germany
#1
Urban Tillmann, Mona Hoppenrath, Marc Gottschling, Kusber Wolf-Henning, Malte Elbrächter
One of the most common marine dinophytes is a species known as Heterocapsa triquetra. When Stein introduced the taxon Heterocapsa he formally based the type species H. triquetra on the basionym Glenodinium triquetrum. The latter was described by Ehrenberg and is most likely a species of Kryptoperidinium. In addition to that currently unresolved nomenclatural situation, the thecal plate composition of H. triquetra sensu Stein (1883) was controversial in the past. In order to clarify the debate, we collected material and established the strain UTKG7 from the Baltic Sea off Kiel (Germany, the same locality as Stein had studied), which was investigated using light and electron microscopy, and whose systematic position was inferred using molecular phylogenetics...
September 15, 2017: Journal of Phycology
https://www.readbyqxmd.com/read/28809634/-wear-and-roughness-of-bearing-surface-in-retrieved-polyethylene-bicon-plus-cups
#2
M Ranuša, J Gallo, M Hobza, M Vrbka, D Nečas, M Hartl
PURPOSE OF THE STUDY By 7th December 2016, 4,755 Bicon-Plus cups in total were implanted in the Czech Republic. Some of them have been continuously re-operated, while the most frequent reason of failure is polyethylene wear and aseptic loosening. The present study is focused on surface analysis of retrieved polyethylene Bicon-Plus cups and the determination of the roughness of their bearing surfaces. MATERIAL AND METHODS In this study, we had 13 high molecular weight polyethylene cups with the average time in situ of 8...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28750007/adding-tsetse-control-to-medical-activities-contributes-to-decreasing-transmission-of-sleeping-sickness-in-the-mandoul-focus-chad
#3
Mahamat Hissene Mahamat, Mallaye Peka, Jean-Baptiste Rayaisse, Kat S Rock, Mahamat Abdelrahim Toko, Justin Darnas, Guihini Mollo Brahim, Ali Bachar Alkatib, Wilfrid Yoni, Inaki Tirados, Fabrice Courtin, Samuel P C Brand, Cyrus Nersy, Idriss Oumar Alfaroukh, Steve J Torr, Mike J Lehane, Philippe Solano
BACKGROUND: Gambian sleeping sickness or HAT (human African trypanosomiasis) is a neglected tropical disease caused by Trypanosoma brucei gambiense transmitted by riverine species of tsetse. A global programme aims to eliminate the disease as a public health problem by 2020 and stop transmission by 2030. In the South of Chad, the Mandoul area is a persistent focus of Gambian sleeping sickness where around 100 HAT cases were still diagnosed and treated annually until 2013. Pre-2014, control of HAT relied solely on case detection and treatment, which lead to a gradual decrease in the number of cases of HAT due to annual screening of the population...
July 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28621284/comparison-of-platform-switched-and-sloping-shoulder-implants-on-stress-reduction-in-various-bone-densities-finite-element-analysis
#4
Joji Markose, S Suresh, Shruthi Eshwar, K Rekha, Vipin Jain, Supriya Manvi
INTRODUCTION: Comparison of platform switched (PS), sloping shoulder, and regular implants on stress reduction in various bone densities with finite element analysis. MATERIALS AND METHODS: A total of 12 three-dimensional finite element models were built to analyze the stress distribution model. Nobel Biocare 4.3 × 8 mm regular platform replace select implant with matching diameter easy abutment, Nobel Biocare 4.3 × 8 mm replace select implant PS with 3.5 mm diameter easy abutment, Bicon 4 × 8 mm implant with 4 mm diameter sloping shoulder abutments were created virtually in compact bone density using software...
June 1, 2017: Journal of Contemporary Dental Practice
https://www.readbyqxmd.com/read/28278491/medium-term-results-of-ceramic-on-polyethylene-zweym%C3%A3-ller-plus-total-hip-arthroplasty
#5
H Li, S Zhang, X M Wang, J H Lin, B L Kou
INTRODUCTION: The need for better durability and longevity in total hip arthroplasty for patients with various hip joint diseases remains a challenge. This study aimed to obtain medium-term results at a follow-up of >10 years for Zweymüller-Plus total hip arthroplasty with ceramic-on-polyethylene bearing. METHODS: A retrospective study was conducted to review the results after a minimum of 12.4 years of 207 consecutive total hip arthroplasties in 185 patients in Peking University People's Hospital in China using the Zweymüller SL-Plus stem in combination with the Bicon-Plus threaded cup and ceramic-on-polyethylene bearing between October 1994 and April 2000...
March 10, 2017: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
https://www.readbyqxmd.com/read/28007483/bovine-trypanosomosis-and-vector-density-in-omo-ghibe-tsetse-belt-south-ethiopia
#6
Rahmeto Abebe, Solomon Gute, Ijigu Simon
African animal trypanosomosis (AAT) is a parasitic disease that causes serious economic losses in livestock from anemia, loss of condition, emaciation and death in untreated cases. It is one of the major constraints to improved livestock production and productivity in Ethiopia. Entomological and parasitological surveys were conducted in the Omo-Ghibe tsetse belt of south Ethiopia to estimate the prevalence of bovine trypanosomosis and the apparent tsetse density (AD), and identify the potential risk factors...
March 2017: Acta Tropica
https://www.readbyqxmd.com/read/27786471/membrane-insertion-of-a-dinuclear-polypyridylruthenium-ii-complex-revealed-by-solid-state-nmr-and-molecular-dynamics-simulation-implications-for-selective-antibacterial-activity
#7
Daniel K Weber, Marc-Antoine Sani, Matthew T Downton, Frances Separovic, F Richard Keene, J Grant Collins
Dinuclear polypyridylruthenium(II) complexes bridged by a flexible methylene linker have received considerable interest as potential antibacterial agents. Their potency and uptake into bacterial cells is directly modulated by the length of the bridging linker, which has implicated membrane interactions as an essential feature of their mechanism of action. In this work, a combination of molecular dynamics (MD) simulations and solid-state NMR was used to present an atomistic model of a polypyridylruthenium(II) complex bound and incorporated into a bacterial membrane model...
November 23, 2016: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/27747712/prospective-cohort-study-of-dental-implant-success-rate-in-patients-with-aids
#8
Michael Clayton May, Paul Nielsen Andrews, Shadi Daher, Uday Nitin Reebye
BACKGROUND: Oral health care of patients with acquired immune deficiency syndrome (AIDS) due to human immunodeficiency virus (HIV) is a growing area of concern, taking into consideration the increased life expectancy of patients resulting from antiretroviral therapy. There is insufficient literature regarding the impact of dental implants in AIDS patients. This study investigated the long-term clinical outcome of implant placement in patients diagnosed with AIDS. METHODS: This monocentric study included AIDS patients with CD4 <200 cells/μL, age 18 years or older, and a minimum of one edentulous space requiring implant...
December 2016: International Journal of Implant Dentistry
https://www.readbyqxmd.com/read/27607288/design-and-simulation-of-a-biconic-multipass-absorption-cell-for-the-frequency-stabilization-of-the-reference-seeder-laser-in-ipda-lidar
#9
Yongji Mu, Juan Du, Zhongguo Yang, Yanguang Sun, Jiqiao Liu, Xia Hou, Weibiao Chen
The design process and simulation method of a multipass absorption cell used for the frequency stabilization of the reference seeder laser in integrated path differential absorption (IPDA) lidar are presented. On the basis of the fundamental theory of the Herriott multipass cell comprising two spherical mirrors, the initial parameters of the multipass cell, which has an optical path greater than 10 m and consists of two biconic mirrors, were calculated. More than 30 light spots were distributed on each mirror, and the distance between adjacent spots was mostly optimized to greater than six times the beam waist...
September 1, 2016: Applied Optics
https://www.readbyqxmd.com/read/27519819/overproduction-of-individual-gas-vesicle-proteins-perturbs-flotation-antibiotic-production-and-cell-division-in-the-enterobacterium-serratia-sp-atcc-39006
#10
Rita E Monson, Yosuke Tashiro, George P C Salmond
Gas vesicles are intracellular proteinaceous organelles that facilitate bacterial colonization of static water columns. In the enterobacterium Serratia sp. ATCC 39006, gas vesicle formation requires the proteins GvpA1, GvpF1, GvpG, GvpA2, GvpK, GvpA3, GvpF2 and GvpF3 and the three gas vesicle regulatory proteins GvrA, GvrB and GvrC. Deletion of gvpC alters gas vesicle robustness and deletion of gvpN or gvpV results in small bicone vesicles. In this work, we assessed the impacts on gas vesicle formation when each of these 14 essential proteins was overexpressed...
September 2016: Microbiology
https://www.readbyqxmd.com/read/27412731/a-miniaturized-electrochemical-device-integrating-a-biconical-microchannel-and-carbon-fiber-disk-ultramicroelectrode
#11
Fengxia Chang, Xia Xie, Meixian Li, Zhiwei Zhu
A simple, cheap and practicable miniaturized electrochemical device based on a biconical microchannel was developed, for which only 1 μL sample solution was needed to implement a typical electrochemical experiment. The practicability of the designed device was validated by detecting uric acid as a model molecule in human serum.
August 2, 2016: Analyst
https://www.readbyqxmd.com/read/27380654/comparative-performance-of-traps-in-catching-tsetse-flies-diptera-glossinidae-in-tanzania
#12
COMPARATIVE STUDY
Imna I Malele, Johnson O Ouma, Hamisi S Nyingilili, Winston A Kitwika, Deusdedit J Malulu, Henry B Magwisha, Eliningeya J Kweka
This study was conducted to determine the efficiency of different tsetse traps in 28 sites across Tanzania. The traps used were biconical, H, NGU, NZI, pyramidal, S3, mobile, and sticky panels. Stationary traps were deployed at a distance of 200 m apart and examined 72 h after deployment. The results showed that 117 (52.2%) out of the 224 traps deployed captured at least one Glossina species. A total of five Glossina species were captured, namely Glossina brevipalpis, Glossina pallidipes, Glossina swynnertoni, Glossina morsitans, and Glossina fuscipes martinii...
June 23, 2016: Onderstepoort Journal of Veterinary Research
https://www.readbyqxmd.com/read/27247477/evidence-based-evaluation-of-inferior-vena-cava-filter-complications-based-on-filter-type
#13
REVIEW
Steven E Deso, Ibrahim A Idakoji, William T Kuo
Many inferior vena cava (IVC) filter types, along with their specific risks and complications, are not recognized. The purpose of this study was to evaluate the various FDA-approved IVC filter types to determine device-specific risks, as a way to help identify patients who may benefit from ongoing follow-up versus prompt filter retrieval. An evidence-based electronic search (FDA Premarket Notification, MEDLINE, FDA MAUDE) was performed to identify all IVC filter types and device-specific complications from 1980 to 2014...
June 2016: Seminars in Interventional Radiology
https://www.readbyqxmd.com/read/27241335/thirteen-year-follow-up-of-a-cementless-femoral-stem-and-a-threaded-acetabular-cup-in-patients-younger-than-fifty%C3%A2-years-of-age
#14
Jan Schmolders, Grigoris Amvrazis, Peter H Pennekamp, Andreas Christian Strauss, Max Julian Friedrich, Matthias D Wimmer, Yorck Rommelspacher, Dieter Christian Wirtz, Thomas Wallny
PURPOSE: Compared to older patients undergoing total hip arthroplasty (THA) younger patients are considered to be more active, thereby exposing the implant to significantly higher loads over a much longer period of time. Additionally, cases of secondary osteoarthritis caused by hip dysplasia, femoral head necrosis or rheumatic diseases are much more frequent than among the average patient population. Therefore, durable implant fixation and low wear rates are extremely important to achieve good long-term implant survival in this group of patients...
January 2017: International Orthopaedics
https://www.readbyqxmd.com/read/27239380/outcome-of-the-cementless-zweym%C3%A3-ller-bicon-plus-cup-and-sl-plus-stem-in-the-very-elderly-individuals
#15
Egbert J D Veen, Joost C M Schrier, Esther Van't Riet, Mark J Breslau, Alexander F W Barnaart
INTRODUCTION: There is current debate about which type of total hip prosthesis implants are best for the elderly patient. Implanting uncemented total hip arthroplasty (THA) in elderly people remains contested. The aim of present study was to evaluate the outcome of the uncemented Zweymüller BICON-PLUS THA in those with a minimum of 80 years of age. MATERIALS AND METHODS: A retrospective data collection was performed in a regional teaching hospital in the Netherlands...
June 2016: Geriatric Orthopaedic Surgery & Rehabilitation
https://www.readbyqxmd.com/read/27229162/good-mid-to-long-term-tha-outcomes-with-a-modified-cementless-rectangular-biconical-stem-design
#16
Stefano Iori, Roberto Viganò
PURPOSE: Second- and third-generation cementless Zweymüller stems have achieved good long-term outcomes in total hip arthroplasty (THA). The PPF cementless proximal press-fit femoral stem (Biomet Inc.) is based on the Zweymüller stem, with some prominent design differences. This study was designed to assess its performance in terms of survivorship, clinical function, and radiographic outcomes. METHODS: We retrospectively analysed 250 patients (303 hips) who underwent THA between 1998 and 2011...
July 25, 2016: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/27061509/design-of-psira-with-focusing-lens-concentrating-picosecond-impulse-on-biological-target
#17
A Petrishia, M Sasikala
The Prolate Spheroidal Impulse Radiating Antenna (PSIRA) is used to radiate very fast pulses in a narrow beam with low dispersion and high field amplitude. The PSIRA is suitable to apply fast, intense pulses without direct contact, for skin cancer treatment. In this proposed work, SWB (Slanted Wire Biconical), EPH (Elliptical Profile Horn), TSVS (Tapered Slot Vivaldi Shape) and Tapered Arm Conical Plate (TACP) feed antenna configurations for Prolate Spheroidal Reflector (PSR) are explored to enhance spatial resolution on biological targets...
March 4, 2016: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/26981275/feeding-patterns-and-xenomonitoring-of-trypanosomes-among-tsetse-flies-around-the-gashaka-gumti-national-park-in-nigeria
#18
Solomon Ngutor Karshima, Idris A Lawal, Oluseyi Oluyinka Okubanjo
In order to understand the epidemiology of trypanosomoses in Gashaka-Gumti National Park, Nigeria, we determined the density, infection rates, and feeding patterns of tsetse flies using biconical traps, ITS, and mitochondrial cytochrome b PCRs. A total of 631 tsetse flies were captured, of which 531 (84.2%) and 100 (15.8%) were analyzed for trypanosomes and blood meals, respectively. Tsetse distribution varied significantly (p < 0.05) across study sites with average trap and daily catches of 4.39 and 26...
2016: Journal of Parasitology Research
https://www.readbyqxmd.com/read/26875082/-ecology-of-glossina-palpalis-vanderplank-1949-diptera-glossinidae-in-mangrove-area-of-guinea-influence-of-tides-on-tsetse-densities
#19
S M Kagbadouno, E Salou, J B Rayaisse, F Courtin, A Sanon, P Solano, M Camara
The mangrove area on the Guinea littoral constitutes a favourable habitat for transmission of Trypanosoma brucei gambiens, the parasite causing sleeping sickness also called Human African Trypanosmosis (HAT), due the simultaneous presence of the vector (tsetse flies) and the human hosts. In order to assess the influence of the sea tides on the densities of Glossina palpalis gambiensis (Gpg), major vector of HAT in the mangrove, entomological surveys were performed using two transects, according to tides coefficient (great and small) and tide daily fluctuations (high and low)...
May 2016: Bulletin de la Société de Pathologie Exotique
https://www.readbyqxmd.com/read/26743231/molecular-genetic-and-physical-analysis-of-gas-vesicles-in-buoyant-enterobacteria
#20
Yosuke Tashiro, Rita E Monson, Joshua P Ramsay, George P C Salmond
Different modes of bacterial taxis play important roles in environmental adaptation, survival, colonization and dissemination of disease. One mode of taxis is flotation due to the production of gas vesicles. Gas vesicles are proteinaceous intracellular organelles, permeable only to gas, that enable flotation in aquatic niches. Gene clusters for gas vesicle biosynthesis are partially conserved in various archaea, cyanobacteria, and some proteobacteria, such as the enterobacterium, Serratia sp. ATCC 39006 (S39006)...
April 2016: Environmental Microbiology
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