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https://www.readbyqxmd.com/read/28527428/physicochemical-and-biological-interactions-between-cerium-oxide-nanoparticles-and-a-1-8-naphthalimide-derivative
#1
Gerardo Pulido-Reyes, Esperanza Martín, J L Gu Coronado, Francisco Leganes, Roberto Rosal, Francisca Fernández-Piñas
Cerium (Ce) oxide nanoparticles (CNPs) have attracted attention due to their high bioactivity and unique redox-chemistry. The oxygen vacancies at the surface of the nanoparticle explain the autocatalytic properties of CNPs in which the Ce(3+) atoms occupy the center of the oxygen vacancies surrounded by Ce(4+) atoms. Until now, CNPs have been associated with organic molecules at the synthesis stage to extend their applications or improve their stability. However, there is a lack of information regarding the post-synthesis interaction of CNPs and organic molecules that could enhance or induce new properties...
May 10, 2017: Journal of Photochemistry and Photobiology. B, Biology
https://www.readbyqxmd.com/read/28525466/facet-preserving-technique-by-en-bloc-flavectomy-in-microscopic-posterior-decompression-surgery-for-lumbar-spinal-stenosis-semicircumferential-decompression-scd
#2
Yasushi Fujiwara, Hideki Manabe, Tadayoshi Sumida, Bunichiro Izumi, Kazuyoshi Nakanishi, Nobuhiro Tanaka, Nobuo Adachi
Posterior decompression surgery which enlarges the spinal canal in cases with lumbar spinal stenosis is the most fundamental technique in spine surgery, but controversy still remains for the exact technique. Because nerve roots run under the ventral side on the superior articular process (SAP), achieving both facet joint preservation and nerve root decompression is problematic. In conventional laminotomies or laminectomies, medial facetectomies are performed to decompress the nerve root, but it is ideal to preserve the facet joints completely for preserving joint stability...
June 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28525322/a-systemic-review-of-existing-serological-possibilities-to-diagnose-canine-osteoarthritis-with-a-particular-focus-on-extracellular-matrix-proteoglycans-and-protein
#3
M Shahid, G Manchi, P Slunsky, O Naseer, A Fatima, B Leo, J Raila
Extra-cellular matrix (ECM) components are important and their stabilization is significant in maintaining normal healthy joint environment. In osteoarthritis (OA), ECM components are altered and indicate disease progression. The joint ECM is composed of proteoglycans (aggrecan, perlecan, inter α-trypsin inhibitor), glycoproteins (fibronectin, lubricin, COMP) and collagen types (most abundantly collagen type II) which represent structural and functional transformation during disease advancement. ECM investigation revealed significant biomarkers of OA that could be used as a diagnostic and therapeutic tool in different canine orthopedic diseases...
March 28, 2017: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28523617/one-pot-synthesis-of-lightly-doped-zn1-x-cu-x-o-and-au-zn1-x-cu-x-o-with-solar-light-photocatalytic-activity-in-liquid-phase
#4
Anis Fkiri, Marisa Rico Santacruz, Amine Mezni, Leila-Samia Smiri, Valérie Keller, Nicolas Keller
We report on the facile and low-temperature one-pot chemical synthesis of lightly doped Zn1-x Cu x O and hybrid Au-Zn1-x Cu x O photocatalysts with low Cu molar content (0 < x < 0.7%) using 1,3-propanediol polyol simultaneously as solvent, reducing and a stabilizing agent, without any final thermal treatment. The photocatalysts have been characterized by X-ray diffraction, N2 adsorption study, UV-vis diffuse reflectance spectroscopy, inductively coupled plasma optical emission spectroscopy, and transmission electron microscopy...
May 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28522228/accessory-subscapularis-muscle%C3%A2-%C3%A2-a-forgotten-variation
#5
L A S Pires, C F C Souza, A R Teixeira, T F O Leite, M A Babinski, C A A Chagas
The quadrangular space is a space in the axilla bounded by the inferior margin of the teres minor muscle, the superior margin of the teres major muscle, the lateral margin of the long head of the triceps brachii muscle and the surgical neck of the humerus, medially. The axillary nerve (C5-C6) and the posterior circumflex humeral artery and veins pass through this space in order to supply their territories. The subscapularis muscle is situated into the scapular fossa and inserts itself into the lesser tubercle of the humerus, thus helping stabilize the shoulder joint...
May 15, 2017: Morphologie: Bulletin de L'Association des Anatomistes
https://www.readbyqxmd.com/read/28520680/acute-pediatric-monteggia-fractures-a-conservative-approach-to-stabilization
#6
Ian Foran, Vidyadhar V Upasani, Charles D Wallace, Elise Britt, Tracey P Bastrom, James D Bomar, Andrew T Pennock
BACKGROUND: In 2015, a multicenter study group proposed a treatment algorithm for pediatric Monteggia fractures based upon the ulnar fracture pattern. This strategy recommends surgical stabilization for all complete ulna fractures. The purpose of this study was to evaluate whether an initial nonoperative approach to pediatric Monteggia fractures resulted in poorer outcomes and a higher rate of complications. METHODS: This institutional review board approved retrospective study evaluated all Monteggia fractures presenting to a level 1 pediatric trauma center between 2008 and 2014...
May 17, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28515059/antibiotic-stability-over-six-weeks-in-aqueous-solution-at-body-temperature-with-and-without-heat-treatment-that-mimics-the-curing-of-bone-cement
#7
E Samara, T F Moriarty, L A Decosterd, R G Richards, E Gautier, P Wahl
OBJECTIVES: Thermal stability is a key property in determining the suitability of an antibiotic agent for local application in the treatment of orthopaedic infections. Despite the fact that long-term therapy is a stated goal of novel local delivery carriers, data describing thermal stability over a long period are scarce, and studies that avoid interference from specific carrier materials are absent from the orthopaedic literature. METHODS: In this study, a total of 38 frequently used antibiotic agents were maintained at 37°C in saline solution, and degradation and antibacterial activity assessed over six weeks...
May 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28511611/arthroscopic-assisted-resection-of-triangular-fibrocartilage-complex-lesions-a-19-year-follow-up
#8
Endre Soreide, Jan-Ragnar Haugstvedt, Torstein Husby
BACKGROUND: This study assesses long-term functional and subjective outcomes following arthroscopic assisted resection of lesions of the triangular fibrocartilage complex (TFCC). METHODS: Functional and subjective outcomes were assessed based on review of patient charts for patient demographic characteristics, comprehensive clinical evaluation, obtained radiographs, and patient-reported questionnaires. RESULTS: Fifteen patients, of whom 9 were female, and 10 dominant wrists, were included in this study...
May 1, 2017: Hand: Official Journal of the American Association for Hand Surgery
https://www.readbyqxmd.com/read/28511364/comparative-study-on-insall-salvati-index-by-radiological-and-clinical-methods-in-a-tertiary-care-centre-of-north-bengal-india
#9
Maitreyee Kar, Dipankar Bhaumik, Samar Deb, Kaushik Ishore, Chinmaya Kar
INTRODUCTION: Patellar height is an important parameter of patellar stability. Its importance is evident from various attempts to measure it, by different scientists from time to time and many indices have been derived among which Insall-Salvati index (IS index) is the most simple, accurate and easy to measure. In this study a new clinical method has been tried to measure patellar height by applying the same principle of IS index. AIM: To compare clinical method of measurement of IS index with the one derived radiologically and to establish the higher cut off value of the clinical method...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28511363/solving-the-mystery-of-the-antero-lateral-ligament
#10
P H Sonia Farhan, Rathi Sudhakaran, Jai Thilak
INTRODUCTION: The cruciate ligaments are essential for the antero-posterior stability of the knee joint. In Anterior Cruciate Ligament (ACL) rupture, though reconstructive surgery is a widely accepted and proven procedure, there is still an unacceptably high re-injury rate. The fact that the rotational instability persists even after the surgical reconstruction of ACL injury has evoked a new interest in the study of the soft tissue structures on the anterolateral aspect of the knee joint...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28511160/features-of-some-clinical-examination-parameters-in-patients-with-psoriatic-arthritis
#11
Оrysya Syzon, Iryna Voznyak, Marianna Dashko
INTRODUCTION: The relationship of cause-and-effect mechanisms of exacerbation and progressing with defining of the role of stress reaction in the psoriatic arthritis (PA) development has been examined in the article by analyzing the characteristics of medical history, current dynamics as well as clinical, instrumental and laboratory examinations. The objective was to study the role of basic indices of laboratory examinations of patients used clarify their role in the pathogenesis of PA...
2017: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28511090/inactivation-of-the-ksrp-gene-modifies-collagen-antibody-induced-arthritis
#12
Rudolf Käfer, Katharina Schrick, Lisa Schmidtke, Evelyn Montermann, Dominika Hobernik, Matthias Bros, Ching-Yi Chen, Hartmut Kleinert, Andrea Pautz
The KH type splicing regulatory protein (KSRP) is a nucleic acid binding protein, which negatively regulates the stability and/or translatability of many mRNA species encoding immune-relevant proteins. As KSRP is expressed in immune cells including T and B cells, neutrophils, macrophages and dendritic cells, we wanted to analyze its importance for the development of autoimmune diseases. We chose collagen antibody-induced arthritis (CAIA) as an appropriate autoimmune disease mouse model in which neutrophils and macrophages constitute the main effector cell populations...
May 13, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28509584/the-influence-of-the-crutch-setup-on-stability-and-weight-bearing-parameters-in-post-total-hip-replacement-surgery-patients-during-quiet-standing
#13
Francesco Esposito, Marco Freddolini, Leonardo Latella, Palmina Braccio, Massimiliano Marcucci, Andrea Corvi
PURPOSE: The purpose of this study is to evaluate the influence of the crutch setup on standing, in post total hip replacement (THR) surgery patients. MATERIALS AND METHODS: Thirty patients after THR were randomly assigned to walking with the elbow flexed (EF) or elbow straight (ES) crutch setup. Subjects were asked to stand on a force platform in a comfortable position with the crutch positioned on the unaffected side, facing forward for 10 seconds. Centre of pressure total path and maximal excursion were evaluated in both medio-lateral and anterior-posterior planes...
May 16, 2017: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/28508482/solving-efficiently-large-single-step-genomic-best-linear-unbiased-prediction-models
#14
I Strandén, K Matilainen, G P Aamand, E A Mäntysaari
Single-step genomic BLUP (ssGBLUP) requires a dense matrix of the size equal to the number of genotyped animals in the coefficient matrix of mixed model equations (MME). When the number of genotyped animals is high, solving time of MME will be dominated by this matrix. The matrix is the difference of two inverse relationship matrices: genomic (G) and pedigree (A22 ). Different approaches were used to ease computations, reduce computing time and improve numerical stability. Inverse of A22 can be computed as A22-1=A22-A21A11-1A12 where A(ij) , i, j = 1,2, are sparse sub-matrices of A(-1) , and numbers 1 and 2 refer to non-genotyped and genotyped animals, respectively...
June 2017: Journal of Animal Breeding and Genetics, Zeitschrift Für Tierzüchtung und Züchtungsbiologie
https://www.readbyqxmd.com/read/28508008/the-coracoacromial-ligament-anatomy-function-and-clinical-significance
#15
Adam Rothenberg, Gregory Gasbarro, Jesse Chlebeck, Albert Lin
The coracoacromial ligament (CAL) was first described as a pain generator by Dr Charles Neer in the early 1970s. Since that time, considerable controversy regarding CAL management during acromioplasty has persisted. This review aims to better understand the role of the CAL in shoulder physiology and pathology. Sixty-six articles from 1958 to 2016 were identified using an electronic search of PubMed, Cochrane Library, AccessMedicine, and MD Consult for case series as well as cohort and prospective studies. The authors used "coracoacromial ligament" and "coracoacromial veil" as medical subject headings (MeSH)...
April 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28502352/revision-of-stemmed-agility-implants
#16
REVIEW
Michael M Brage, Uma E Ramadorai
Total ankle arthroplasty has advanced rapidly in the last 20 years. Early agility implants enjoyed improved survivability compared with more archaic total ankle implants. When talar subsidence occurs, the revision options include a stemmed component to improve stability by spanning the subtalar joint. Removal and revision of these stemmed components can be difficult because of ingrowth and bone loss.
June 2017: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/28501732/asymmetrical-stabilization-and-mobilization-exploited-during-static-single-leg-stance-and-goal-directed-kicking
#17
Adam C King, Zheng Wang
The motor control properties of the right and left legs are dependent on the stabilization and mobilization features of the motor tasks. The current investigation examined the right and left leg control differences - interlateral asymmetries - during static single leg stance and dynamic goal directed kicking with an emphasis of the asymmetrical stabilization and mobilization components of movements. Ten young, healthy, right-leg preferred individuals with minimal kicking experience completed both tests on each limb...
May 11, 2017: Human Movement Science
https://www.readbyqxmd.com/read/28500999/effects-of-working-gas-pressure-on-zirconium-dioxide-thin-film-prepared-by-pulsed-plasma-deposition-roughness-wettability-friction-and-wear-characteristics
#18
M Berni, G Marchiori, A Gambardella, M Boi, M Bianchi, A Russo, A Visani, M Marcacci, P G Pavan, N F Lopomo
In joint arthroplasty one of the main issues related to the failure of prosthetic implants is due to the wear of the ultra-high molecular weight polyethylene (UHMWPE) component. Surface treatments and coatings have been recognized as enhancing methods, able to improve the tribological properties of the implants. Therefore, the main objective of this work was to investigate the possibility to fabricate yttria-stabilized zirconia (YSZ) coatings on a metal (AISI 316-L) substrate by means of Pulsed Electron Deposition, in order to improve the tribological behavior of the polymer-metal coupling, by reducing the initial wear of the UHMWPE component...
May 4, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/28497300/-partial-fusion-of-the-wrist-indications-and-surgical-procedures
#19
F Unglaub, M F Langer, J M Unglaub, M Sauerbier, L P Müller, H Krimmer, P Hahn, C K Spies
Carpal bone fusions for secondary reconstruction are still indispensable despite state of the art diagnostic tools and modern treatment techniques for wrist lesions. The former fusions stabilize the wrist and enable sufficient residual carpal mobility. Pain can be reduced significantly by arthrodesis of destroyed joints and the progress of osteoarthritis may be stopped or delayed. This review presents commonly used fusions with their inherent indications, contraindications and complications.
May 11, 2017: Der Unfallchirurg
https://www.readbyqxmd.com/read/28497248/-aseptic-loosening-of-total-ankle-replacement-one-stage-revision-ankle-arthroplasty
#20
G Pagenstert, M D Wimmer, M Jacxsens, C L Saltzman, A Barg
OBJECTIVE: To revise one or both loosened prosthesis components, to achieve postoperative pain relief, and preserve ankle range of motion. INDICATIONS: Aseptic loosening of the tibial and/or talar ankle prosthesis components without substantial bone defect of the tibial or talar bone stock. CONTRAINDICATIONS: General surgical or anesthesiological risks, infections, critical soft tissue conditions, nonmanageable hindfoot instability, neurovascular impairment of the lower extremity, neuroarthropathy (e...
May 11, 2017: Operative Orthopädie und Traumatologie
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