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https://www.readbyqxmd.com/read/28640396/an-anatomical-study-of-plate-rod-fixation-in-feline-tibiae
#1
Andreas Gutbrod, Simona Vincenti, Karolin Kühn, Sebastian Christoph Knell, Philipp Alexander Schmierer, Antonio Pozzi
OBJECTIVE: To investigate the feasibility of placing bi-cortical cortex (B-cort) or mono-cortical locking screws (M-lock) in a plate-rod construct applied to the feline tibia in combination with different intramedullary (IM) pins. METHODS: Twenty-four feline tibiae of cats were divided into 4 groups, corresponding to IM pin sizes filling approximately 30% (1.0 mm), 40% (1.4 mm), 45% (1.6 mm), and 50% (1.8 mm) of the medullary canal. Computed tomography (CT) was performed to trace potential screw trajectories in each group...
June 22, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28638640/crystal-structure-of-n-n-di-decyl-pyromellitic-di-imide
#2
Hansu Im, Myong Yong Choi, Cheol Joo Moon, Tae Ho Kim
The title compound, C30H44N2O4 [systematic name: 2,6-di-decyl-pyrrolo-[3,4-f]iso-indole-1,3,5,7(2H,6H)-tetra-one], consists of a central pyromellitic di-imide moiety with terminal decyl groups at the N-atom positions. The centre of the mol-ecule lies on a crystallographic inversion centre so the asymmetric unit contains one half-mol-ecule. The mol-ecule exhibits a rod-shaped conformation, like other similar compounds of this type, the distance between the ends of terminal decyl groups being 32.45 Å. The packing is dominated by a lamellar arrangement of the mol-ecules, which is reinforced by C-H⋯O hydrogen bonds and C-O⋯π inter-actions, forming a classic herringbone structure...
June 1, 2017: Acta Crystallographica. Section E, Crystallographic Communications
https://www.readbyqxmd.com/read/28357395/new-insights-into-the-function-of-a-versatile-class-of-membrane-molecular-motors-from-studies-of-myxococcus-xanthus-surface-gliding-motility
#3
COMMENT
Tâm Mignot, Marcelo Nöllmann
Cell motility is a central function of living cells, as it empowers colonization of new environmental niches, cooperation, and development of multicellular organisms. This process is achieved by complex yet precise energy-consuming machineries in both eukaryotes and bacteria. Bacteria move on surfaces using extracellular appendages such as flagella and pili but also by a less-understood process called gliding motility. During this process, rod-shaped bacteria move smoothly along their long axis without any visible morphological changes besides occasional bending...
March 2, 2017: Microbial Cell
https://www.readbyqxmd.com/read/28053381/a-simple-method-for-fashioning-an-antibiotic-impregnated-cemented-rod-for-intramedullary-placement-in-infected-non-union-of-long-bones
#4
Ajay Bharti, Umesh Kumar Saroj, Vineet Kumar, Sanjay Kumar, Balram Ji Omar
The intramedullary insertion of antibiotic impregnated PMMA rods, beads or nails are widely used and accepted modality of treatment for chronic osteomyelitis of long bones. But at times it becomes difficult to insert and remove these antibiotic delivery systems owing to narrowed medullary canals. Here we present a technique for preparing PMMA rods with diameter ranging from 6 mm to 3 mm. These rods could easily be placed in narrow intramedullary canal of long bones with chronic osteomyelitis or infected non-union...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27974091/arachidicoccus-ginsenosidivorans-sp-nov-with-ginsenoside-converting-activity-isolated-from-ginseng-cultivating-soil
#5
Muhammad Zubair Siddiqi, Zubair Aslam, Wan-Taek Im
A Gram-reaction-negative, catalase- and oxidase-positive, aerobic, non-motile, light yellow and rod-shaped bacterium (designated Gsoil 809T) isolated from soil of ginseng field, was characterized by a polyphasic approach to clarify its taxonomic position. Strain Gsoil 809T was observed to grow optimally at 30 °C and at pH 7.0 on nutrient agar medium. Strain Gsoil 809T possessed β-glucosidase activity, which was responsible for its ability to transform protopanaxatriol-type ginsenoside Rg1 to ginsenoside Rh1...
April 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27902288/sphingomonas-aquatica-sp-nov-isolated-from-tap-water
#6
Gyu-Min Choi, Jung Hun Jo, Myung-Suk Kang, Minseok S Kim, Soon-Youl Lee, Wan-Taek Im
A Gram-stain-negative, strictly aerobic, rod-shaped bacterium, designated W1-2-1T, was isolated from tap water in South Korea. The strain was characterized by a polyphasic approach to clarify its taxonomic position. Strain W1-2-1T grew at 18-42 °C and at pH 6.0-10.0 on R2A medium. Phylogenetic analysis based on 16S rRNA gene sequences indicated that the isolate belongs to the genus Sphingomonas and is most closely related to the Sphingomonas oligophenolica JCM 12082T (97.2 % similarity), Sphingomonas asaccharolyticaNBRC 15499T (96...
April 2017: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27698177/intramedullary-nailing-and-external-ring-fixation-for-tibiotalocalcaneal-arthrodesis-in-charcot-arthropathy
#7
James Richman, Adam Cota, Steven Weinfeld
BACKGROUND: Surgical strategies to address deformities of the ankle and hindfoot in patients with Charcot arthropathy include the use of retrograde intramedullary nails and ring fixators. The literature has not shown superiority of one technique over the other. This study presents a single surgeon's case series of Charcot arthropathy patients treated with either a ring fixator or retrograde intramedullary nail to achieve tibiotalocalcaneal arthrodesis. METHODS: We performed a retrospective analysis of 27 consecutive patients with Charcot arthropathy who underwent a tibiotalocalcaneal arthrodesis using either a retrograde intramedullary (IM) nail (n = 16 patients) or a ring fixator (RF) (n = 11 patients) by a single surgeon...
February 2017: Foot & Ankle International
https://www.readbyqxmd.com/read/27662385/initial-experience-with-percutaneous-im-rodding-of-the-humeri-in-children-with-osteogenesis-imperfecta
#8
Leonid S Grossman, Amber L Price, Eric T Rush, Jennifer L Goodwin, Maegen J Wallace, Paul W Esposito
BACKGROUND: To report a single-center surgical experience treating humeral deformity and fractures in children with osteogenesis imperfecta (OI) using the Fassier-Duval (FD) intramedullary elongating rods. METHODS: A retrospective review was conducted between December 2005 and July 2013 of all OI patients who underwent FD rodding with a minimum of 1-year follow-up. All patients were also being concurrently treated with bisphosphonates. RESULTS: Eighteen patients underwent internal fixation on a total of 35 humeri: 7 males and 11 females with an average age of 49 months...
September 22, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/27578304/comparison-of-hypersensitivity-rates-to-intravenous-and-intramuscular-peg-asparaginase-in-children-with-acute-lymphoblastic-leukemia-a-meta-analysis-and-systematic-review
#9
REVIEW
Haroon Hasan, Omar Mohammad Shaikh, Shahrad Rod Rassekh, A Fuchsia Howard, Karen Goddard
BACKGROUND: Pegylated-asparaginase (PEG-ASP) is a critical treatment for pediatric acute lymphoblastic leukemia (ALL) and has traditionally been delivered via intramuscular (IM) injection. In an attempt to reduce pain and anxiety, PEG-ASP has increasingly been delivered via intravenous (IV) administration. The study objective was to perform a meta-analysis and systematic review to compare and generate pooled hypersensitivity rates for IM and IV PEG-ASP. METHODS: A systematic literature search was conducted for all epidemiological studies that investigated IV and IM hypersensitivity rates for pediatric ALL...
January 2017: Pediatric Blood & Cancer
https://www.readbyqxmd.com/read/27503422/distal-normograde-intramedullary-pin-and-locking-plate-placement-in-the-canine-humerus-a-cadaveric-study
#10
Tim Pearson, Mark Glyde, Giselle Hosgood, Lucas Beierer
OBJECTIVE: To identify a repeatable anatomic landmark for pin insertion and to describe the technique for placement of a distal normograde intramedullary (IM) pin of approximately 35% of the IM diameter using this approach combined with a locking compression plate (LCP) on the medial aspect of the canine humerus. STUDY DESIGN: Ex vivo anatomic study. SAMPLE POPULATION: Canine cadavers (n=10 Greyhounds). METHODS: An anatomic landmark for pin insertion was identified based on three-dimensional reconstructions of previous elbow computed tomography studies and cadaveric dissection of the medial aspect of the humeral condyle...
October 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27498829/sphingobacterium-jejuense-sp-nov-with-ginsenoside-converting-activity-isolated-from-compost
#11
Muhammad Zubair Siddiqi, Siddiqi Muhammad Shafi, Kang Duk Choi, Wan-Taek Im, Zubair Aslam
A Gram-stain-negative, strictly aerobic, non-motile, light yellow, short-rod bacterium (designated GJ30-7T) isolated from compost, was characterized using a polyphasic approach, in order to clarify its taxonomic position. Strain GJ30-7T was observed to grow optimally at 30 °C and at pH 7.0 on R2A agar medium. Strain Gsoil GJ30-7T possessed β-glucosidase activity, which was responsible for its ability to transform ginsenosides Rb1 and Rc (the two main active components of ginseng) to ginsenoside F2. Phylogenetic analysis, based on 16S rRNA gene sequence similarities, indicated that GJ30-7T belongs to the genus Sphingobacterium of the family Sphingobacteriaceae and was most closely related to Sphingobacterium yanglingense JCM 30166T (92...
November 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27485125/comparison-between-cylindrical-axis-reference-and-articular-surface-reference-femoral-bone-cut-for-total-knee-arthroplasty
#12
Yasuo Niki, Katsuya Nagai, Tomoki Sassa, Kengo Harato, Yasunori Suda
PURPOSE: Reproducing a functional flexion-extension axis (FEA) of the femur is key to achieving successful collateral ligament balance and joint line in total knee arthroplasty (TKA). This study compared the feasibility of cylindrical axis (CA)-reference bone cut and articular surface-reference bone cuts in reproducing the FEA for Japanese osteoarthritis patients. METHODS: The study enrolled 122 knees from 86 patients who underwent primary TKA due to grade III or IV osteoarthritis...
August 2, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27412336/panacibacter-ginsenosidivorans-gen-nov-sp-nov-with-ginsenoside-converting-activity-isolated-from-soil-of-a-ginseng-field
#13
Muhammad Zubair Siddiqi, Siddiqi Muhammad Shafi, Kang Duk Choi, Wan-Taek Im
A ginsenoside-transforming bacterium, designated Gsoil 1550T, was isolated from soil of a ginseng field and subjected to a polyphasic taxonomic analysis. Colonies of strain Gsoil 1550T were yellow, of low convexity and with regular margin. Cells were long rods, 0.5-1.2 µm wide and 1.6-3 µm long. The isolate grew at 10-37 °C and at pH 5-9 on R2A agar medium; maximum growth occurred at 30 °C and pH 6-7. Phylogenetic study based on the 16S rRNA gene sequence positioned Gsoil 1550T in a distinct lineage in the family Chitinophagaceae, sharing 92...
October 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27335062/compostibacter-hankyongensis-gen-nov-nbsp-sp-nov-isolated-from-compost
#14
Muhammad Zubair Siddiqi, Siddiqi Muhammad Shafi, Kang Duk Choi, Wan-Taek Im
A novel bacterial strain, designated strain BS27T, was isolated from mushroom compost and subjected to a taxonomic study using a polyphasic approach. Colonies of BS27T were milky-white, circular with regular fringes and opaque. Cells were short rods, 0.3-0.5 µm wide and 1.2-2.0 µm long. Phylogenetic study based on the 16S rRNA gene sequence placed BS27T in a distinct lineage in the family Chitinophagaceae, sharing 90.1-90.9 % sequence similarity with members of the closely related genera Chitinophaga, Flavitalea, Flavihumibacter, Lacibacter and Flavisolibacter...
September 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27267356/hymenobacter-coalescens-sp-nov-isolated-from-wetland-freshwater
#15
Joo Won Kang, Keun Sik Baik, Wan-Taek Im, Chi Nam Seong
A non-motile and rod-shaped bacterium, designated strain WW84T, was isolated from freshwater collected from the Woopo wetland (Republic of Korea). Cells were Gram-stain-negative, aerobic, catalase-positive and oxidase-negative. The major fatty acids were C16 : 0, C18 : 0, iso-C15 : 0 and iso-C17 : 1I and/or anteiso-C17 : 1B. The strain contained MK-7 as the major isoprenoid quinone, phosphatidylethanolamine as the major polar lipid and sym-homospermidine as the major polyamine. The DNA G+C content was 59 mol%...
September 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27267215/phenylobacterium-aquaticum-sp-nov-isolated-from-the-reservoir-of-a-water-purifier
#16
Jung Hun Jo, Gyu-Min Choi, Soon-Youl Lee, Wan-Taek Im
A Gram-reaction-negative, strictly aerobic, non-motile, non-spore-forming, rod-shaped bacterial strain designated W2-3-4T was isolated from the reservoir of a water purifier. This bacterium was characterized to determine its taxonomic position by using a polyphasic approach. Strain W2-3-4T grew well at 25-30 °C on nutrient and R2A agars. On the basis of 16S rRNA gene sequence similarity, strain W2-3-4T was shown to belong to the family Caulobacteraceaeand to be related to Phenylobacterium conjunctumFWC21T (98...
September 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27265403/pseudobacter-ginsenosidimutans-gen-nov-sp-nov-isolated-from-ginseng-cultivating-soil
#17
Muhammad Zubair Siddiqi, Wan-Taek Im
A Gram-stain-negative, pseudo-rod, non-spore-forming, oxidase- and catalase-positive, strictly aerobic bacterium, designated Gsoil 221T, was isolated from soil of a ginseng field and subjected to a taxonomic analysis using a polyphasic approach. Strain Gsoil 221T grew at 10-37 °C and at pH 5.0-8.0 on R2A medium. Strain Gsoil 221T possessed β-glucosidase activity, which was responsible for its ability to transform ginsenosides Rb1 and Rc (two dominant active components of ginseng) to ginsenoside F2. Phylogenetic study based on the 16S rRNA gene sequence positioned strain Gsoil 221T in a distinct lineage in the family Chitinophagaceae, sharing less than 94...
September 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27261960/rhbmp-2-and-intramedullary-fixation-in-congenital-pseudarthrosis-of-the-tibia
#18
B Stephens Richards, Terrence D Anderson
BACKGROUND: In congenital pseudarthrosis of the tibia, use of intramedullary (IM) fixation and autogenous bone graft has long been the standard of care. This study was undertaken to determine whether the addition of rhBMP-2 to this treatment method further enhances healing potential. METHODS: Twenty-one patients with congenital pseudarthrosis of the tibia were evaluated. Fifteen of these patients had neurofibromatosis type 1 (NF1). All had IM fixation and autogenous bone graft, followed by a BMP-soaked collagen sponge wrapped around both the fracture site and bone graft...
June 2, 2016: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/27220982/zeaxanthinibacter-aestuarii-sp-nov-isolated-from-estuary-sediment-and-emended-description-of-the-genus-zeaxanthinibacter-asker-et-al-2007
#19
Yunhee Lee, Hye Im Jeong, Sang Eun Jeong, Che Ok Jeon
A Gram-staining-negative, strictly aerobic and yellow-pigmented bacterium, designated strain S2-22T, was isolated from estuary sediment in South Korea. Cells of strain S2-22T were oxidase- and catalase-positive rods without gliding motility. Growth was observed at 15-43 °C (optimum, 35-37 °C), at pH 5.5-9.0 (optimum, pH 6.5-7.5) and in the presence of 0.0-10.0 % (w/v) NaCl (optimum, 2.0 %). Phylogenetic analysis based on 16S rRNA gene sequences showed that strain S2-22T formed a tight phyletic lineage with Zeaxanthinibacter enoshimensis TD-ZE3T with a high bootstrap value and their 16S rRNA gene sequence similarity was 94...
September 2016: International Journal of Systematic and Evolutionary Microbiology
https://www.readbyqxmd.com/read/27179767/finite-element-analysis-of-a-pseudoelastic-compression-generating-intramedullary-ankle-arthrodesis-nail
#20
Ryan T Anderson, Douglas J Pacaccio, Christopher M Yakacki, R Dana Carpenter
Tibio-talo-calcaneal (TTC) arthrodesis is an end-stage treatment for patients with severe degeneration of the ankle joint. This treatment consists of using an intramedullary nail (IM) to fuse the calcaneus, talus, and tibia bones together into one construct. Poor bone quality within the joint prior to surgery is common and thus the procedure has shown complications due to non-union. However, a new FDA-approved IM nail has been released that houses a nickel titanium (NiTi) rod that uses its inherent pseudoelastic material properties to apply active compression across the fusion site...
September 2016: Journal of the Mechanical Behavior of Biomedical Materials
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