keyword
https://read.qxmd.com/read/34116574/use-of-a-transarticular-calcaneo-tibial-locking-plate-for-temporary-immobilization-of-the-tarsocrural-joint-following-surgical-repair-of-common-calcaneal-tendon-rupture-in-eight-dogs
#1
Alessandro Boero Baroncelli, Francesca Chiara Ferrero, Luca Omodeo, Mattia Sarotti, Bart Verdonck, Bruno Peirone, Lisa Adele Piras
OBJECTIVE:  The purpose of this clinical communication is to report the management of common calcaneal tendon rupture in dogs using a transarticular calcaneo-tibial locking plate as a method of temporary immobilization of the tarsocrural joint to support primary repair of the common calcaneal tendon. STUDY DESIGN:  Dogs presented with partial or complete common calcaneal tendon rupture treated with primary tendon repair supported by the transarticular calcaneo-tibial locking plate technique from July 2016 to December 2019 were included...
June 11, 2021: Veterinary and Comparative Orthopaedics and Traumatology: V.C.O.T
https://read.qxmd.com/read/34116344/rapid-determination-of-viable-but-non-culturable-campylobacter-jejuni-in-food-products-by-loop-mediated-isothermal-amplification-coupling-propidium-monoazide-treatment
#2
Marlen Petersen, Luyao Ma, Xiaonan Lu
Campylobacter is the leading cause of foodborne human diarrhea worldwide. This microbe in the viable but non-culturable (VBNC) state can evade detection by routinely used culture-based methods and remain viable for extended periods of time. Bacteria in this dormancy state can resume their metabolic activity and virulence by resuscitation under favorable conditions, and subsequently cause infections. In this study, an assay combining loop-mediated isothermal amplification (LAMP) and propidium monoazide (PMA) treatment was developed for the detection and quantification of VBNC C...
June 1, 2021: International Journal of Food Microbiology
https://read.qxmd.com/read/34116316/quantification-of-magnetic-susceptibility-fingerprint-of-a-3d-linearity-medical-device
#3
T Stanescu, S H Mousavi, M Cole, E Barberi, K Wachowicz
PURPOSE: The study investigates the numerical modelling as well as experimental validation of magnetic susceptibility effects with respect to a 3D linearity phantom used for the quantification of MR image distortions. METHODS: Magnetic field numerical simulations based on finite difference methods were conducted to generate the susceptibility (χ) model of the MRID3D phantom. Experimental data was acquired and analyzed for eight different MR scanners to include a wide range of scanning parameters...
June 8, 2021: Physica Medica: PM
https://read.qxmd.com/read/34116242/the-role-of-mobile-phones-as-a-possible-pathway-for-pathogen-movement-a-cross-sectional-microbial-analysis
#4
Lotti Tajouri, Mariana Campos, Matthew Olsen, Anna Lohning, Peter Jones, Susan Moloney, Keith Grimwood, Hassan Ugail, Bassam Mahboub, Hamad Alawar, Simon McKirdy, Rashed Alghafri
INTRODUCTION: Mobile phones are used the world over, including in healthcare settings. This study aimed to investigate the viable microbial colonisation of mobile phones used by healthcare personnel. METHODS: Swabs collected on the same day from 30 mobile phones belonging to healthcare workers from three separate paediatric wards of an Australian hospital were cultured on five types of agar plate, then colonies from each phone were pooled, extracted and sequenced by shotgun metagenomics...
June 8, 2021: Travel Medicine and Infectious Disease
https://read.qxmd.com/read/34116188/binding-activity-of-valeriana-fauriei-root-extract-on-gaba-a-receptor-flunitrazepam-sites-and-distribution-of-its-active-ingredients-in-the-brain-of-mice-a-comparison-with-that-of-v-officinalis-root
#5
Misato Ota, Hao Ni, Yasuhito Maki, Daiki Kato, Shohei Moriguchi, Shuto Nakayama, Yuki Oiwa, Kan'ichiro Ishiuchi, Toshiaki Makino
ETHNOPHARMACOLOGICAL RELEVANCE: Valeriana fauriei root (VF) is a crude drug registered in the Japanese Pharmacopeia 17th Edition and a known substitute for V. officinalis (VO). Although VO has been pharmacologically evaluated for its sedative effects and mechanism of action, data regarding VF remain scarce. AIM OF THE STUDY: We compared the binding affinity of VF and VO extracts, as well as examined the active ingredients in the VF extract, on flunitrazepam sites of γ-aminobutyric acid receptor type A (GABAA receptor)...
June 8, 2021: Journal of Ethnopharmacology
https://read.qxmd.com/read/34115854/phosphatidylserine-is-required-for-the-normal-progression-of-cell-plate-formation-in-arabidopsis-root-meristem
#6
Yasuyo Yamaoka, Seungjun Shin, Yuree LeA, Masaki Ito, Youngsook Lee, Ikuo Nishida
Phosphatidylserine (PS) is involved in various cellular processes in yeast and animals. However, PS functions in plants remain unclear. In Arabidopsis, PS is relatively enriched in flower and root tissues, and the genetic disturbance of PS biosynthesis in PHOSPHATIDYLSERINE SYNTHASE1 (PSS1)/pss1 heterozygotes induces sporophytic and gametophytic defects during pollen maturation. This study functionally characterized PS in Arabidopsis roots and observed that pss1 seedlings exhibited a short-root phenotype by reducing the meristem size and cell elongation capacity...
June 11, 2021: Plant & Cell Physiology
https://read.qxmd.com/read/34115652/irreducible-chronic-volar-dislocation-of-the-distal-radioulnar-joint-after-surgery-for-distal-radius-fracture-a-case-report
#7
Satoru Kamekura, Yoko Hosaka, Gen Sasaki, Hideaki Miyamoto, Michio Kimura, Jinso Hirota
CASE: We report a case of irreducible chronic volar dislocation of the distal radioulnar joint (DRUJ) after surgery for distal radius fracture. The patient underwent volar locking plate fixation for distal radius fracture. Despite the satisfactory alignment of the distal radius, irreducible volar dislocation of the DRUJ was discovered at 5 weeks after the initial surgery. DRUJ reconstruction at 9 weeks after injury using the Adams-Berger procedure resulted in a stable and functional DRUJ and wrist...
June 11, 2021: JBJS Case Connector
https://read.qxmd.com/read/34115631/improving-aeration-systems-in-saline-water-part-ii-effect-of-different-salts-and-diffuser-type-on-oxygen-transfer-of-fine-bubble-aeration-systems
#8
J Behnisch, M Schwarz, J Trippel, M Engelhart, M Wagner
The objective of the present study is to investigate the different effects on the oxygen transfer of fine-bubble aeration systems in saline water. Compared to tap water, oxygen transfer increases due to the inhibition of bubble coalescence. In Part I of the present study, we investigated in laboratory-scale experiments the effect of design of diffuser membrane. The objective of Part II is the assessment of effects of different salts, diffuser type and diffuser density. We measured the concentration of various salts (MgCl2 ; CaCl2 ; Na2 SO4 ; NaCl; KCl) above which coalescence is fully inhibited and oxygen transfer reaches its maximum (referred to as the critical coalescence concentration; CCC)...
June 2021: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://read.qxmd.com/read/34115627/continuous-photocatalytic-set-up-assisted-with-nano-tio-2-plate-for-tannery-wastewater-treatment
#9
Reza Shahbazi, Mona Zamani Pedram
A novel photocatalytic continuous system has been proposed for the treatment of tannery waste water, which has high levels of environmental pollutants. The purification process was performed by passing wastewater on a titanium dioxide (TiO2 )-coated surface, which is continuously activated by irradiation of ultraviolet light. To improve the yield of the process, ferric chloride (FeCl3 ) was used as a coagulation agent. The organic and inorganic compounds, as well as the microorganisms in the tannery wastewater media, were degraded through a photocatalytic process...
June 2021: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://read.qxmd.com/read/34115543/gait-adaptations-at-8-years-after-reconstruction-of-unilateral-isolated-and-combined-posterior-cruciate-ligament-injuries
#10
Nicholas M Brisson, Alison N Agres, Tobias M Jung, Georg N Duda
BACKGROUND: It remains unclear how posterior cruciate ligament (PCL) reconstruction influences long-term lower extremity joint biomechanics. PURPOSE: To determine whether patients who underwent PCL reconstruction exhibited long-term alterations in lower limb gait mechanics. STUDY DESIGN: Controlled laboratory study. METHODS: A total of 26 patients underwent gait analyses at 8.2 ± 2.6 years after primary unilateral PCL reconstruction...
June 11, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/34115481/highly-sensitive-and-reproducible-sers-substrates-based-on-ordered-micropyramid-array-and-silver-nanoparticles
#11
Chengpeng Zhang, Shuai Chen, Zhaoliang Jiang, Zhenyu Shi, Jilai Wang, Lutao Du
The construction of a highly sensitive and reproducible surface-enhanced Raman scattering (SERS) substrate is the key factor that restricts its practical application. In this paper, a three-dimensional (3D) SERS substrate based on ordered micropyramid array and silver nanoparticles (MPA/AgNPs 3D-SERS) was constructed using the roll-to-plate embossing technology and a hydrothermal method, which provided an efficient and low-cost preparation process for the SERS substrate. Using rhodamine 6G (R6G) as a probe molecule, the performance of an MPA/AgNP 3D-SERS substrate was studied in detail, whose minimum detection limit was 10-12 M and the enhancement factor was calculated as 8...
June 11, 2021: ACS Applied Materials & Interfaces
https://read.qxmd.com/read/34115325/influence-of-age-on-postural-control-during-dual-task-a-centre-of-pressure-motion-and-electromyographic-analysis
#12
Enrico Roma, Stefano Gobbo, Valentina Bullo, Fabiola Spolaor, Zimi Sawacha, Federica Duregon, Gioia Bianchini, Eleonora Doria, Cristine Lima Alberton, Danilo Sales Bocalini, Lucia Cugusi, Andrea Di Blasio, Andrea Ermolao, Marco Bergamin
BACKGROUND: Dual task influences postural control. A cognitive task seems to reduce muscle excitation during a postural balance, especially in older adults (OA). AIM: The aim of this study is to evaluate the effect of three cognitive tasks on muscle excitation and static postural control in OA and young adults (YA) in an upright posture maintenance task. METHODS: 31 YA and 30 OA were evaluated while performing a modified Romberg Test in five different conditions over a force plate: open eyes, closed eyes, spatial-memory brooks' test, counting backwards aloud test and mental arithmetic task...
June 11, 2021: Aging Clinical and Experimental Research
https://read.qxmd.com/read/34115247/combined-selective-culture-and-molecular-methods-for-the-detection-of-carbapenem-resistant-organisms-from-fecal-specimens
#13
Rebecca Yee, Stefanie Fisher, Yehudit Bergman, Krizia K Chambers, Pranita D Tamma, Karen C Carroll, Patricia J Simner
Detection of patients with intestinal colonization of carbapenem-resistant organisms (CRO), or more specifically carbapenemase-producing (CP) CRO, can prevent their transmission in healthcare facilities and aid with outbreak investigations. The objective of this work was to further develop and compare methods that combine selective culture and/or PCR to rapidly detect and recover CRO from fecal specimens. Molecularly characterized Gram-negative bacilli (n = 62) were used to spike fecal samples to establish limit of detection (LOD; n = 12), sensitivity (n = 28), and specificity (n= 21) for 3 methods to detect CP-CRO: direct MacConkey (MAC) plate and Xpert Carba-R (Cepheid) on growth, MAC broth and Carba-R testing of the broth, and direct testing by Carba-R...
June 11, 2021: European Journal of Clinical Microbiology & Infectious Diseases
https://read.qxmd.com/read/34115049/influential-factors-of-subacromial-impingement-syndrome-after-hook-plate-fixation-for-acromioclavicular-joint-dislocation-a-retrospective-study
#14
Ding Xu, Yulong Shi, Peng Luo, Weikang Wang, Weijun Guo, Weigang Lou, Jianming Chen
Subacromial impingement syndrome (SIS) after hook plate fixation for acromioclavicular joint (AC) dislocation was the most common complication. However, the researches on its' influential factors were rare. The purpose of this study was to identify the risk factors by analyzing the influencing factors of postoperative SIS and minimize the incidence of SIS in clinical surgery.We retrospectively analyzed the prospectively collected data from 330 consecutive patients with AC joint dislocation between August 2014 and August 2017 at our institute...
June 11, 2021: Medicine (Baltimore)
https://read.qxmd.com/read/34115029/the-comparison-of-nice-knots-and-traditional-methods-as-an-auxiliary-reduction-fixation-technique-in-pre-contoured-locking-plate-fixation-for-comminuted-robinson-type-2b-clavicle-fracture-a-retrospective-study
#15
Shengkun Hong, Wei Wang, Jinku Guo, Feixiong He, Cong Wang
Open reduction and pre-contoured locking plate fixation is a popular treatment option for displaced midshaft clavicle fracture. Lag screw and cerclage are 2 main intraoperative techniques to reduce and fix fragments. However, both lag screw and metallic cerclage have disadvantages. The doubled-suture Nice knot has been reported in many areas of orthopedic surgery for its effectiveness. This study aims to compare the outcomes of comminuted mid-shaft clavicle fractures reduced by Nice knots vs traditional techniques (lag screw or/and metallic cerclage) when bridged with pre-contoured locking plates...
June 11, 2021: Medicine (Baltimore)
https://read.qxmd.com/read/34114832/bending-response-of-a-book-with-internal-friction
#16
Samuel Poincloux, Tian Chen, Basile Audoly, Pedro M Reis
We study the bending of a booklike system, comprising a stack of elastic plates coupled through friction. The behavior of this layered system is rich and nontrivial, with a nonadditive enhancement of the apparent stiffness and a significant hysteretic response. A dimension reduction procedure is employed to develop a centerline-based theory describing the stack as a nonlinear planar rod with internal shear. We consider the coupling between the nonlinear geometry and the elasticity of the stacked plates, treating the interlayer friction perturbatively...
May 28, 2021: Physical Review Letters
https://read.qxmd.com/read/34114497/a-chondrosphere-based-scaffold-free-approach-to-manufacture-an-in-vitro-articular-cartilage-model
#17
Annachiara Scalzone, Xiao Nong Wang, Kenneth Dalgarno, Ana Marina Ferreira-Duarte, Piergiorgio Gentile
In-vitro engineering of human articular cartilage (AC) is a regenerative medicine challenge. The main objective of this study was the development of a repeatable scaffold-free in-vitro model of chondrocyte spheroid-based treatments of cartilage defects, to allow for systematic study and further optimisation of this type of treatment. Human articular chondrocytes (HC) and immortalised mesenchymal cells differentiated in chondrocytes (Y201-Cs) were cultured in round-bottom 96-well plates to produce multicellular spheroids and their growth kinetics and viability was evaluated over 7 days of culture...
June 11, 2021: Tissue Engineering. Part A
https://read.qxmd.com/read/34114393/dihydromyricetin-promotes-apoptosis-suppresses-proliferation-and-tumor-necrosis-factor-%C3%AE-mediated-nuclear-factor-kappa-b-activation-in-nasopharyngeal-carcinoma-cne-2-cell
#18
Cai-Hong Li, Hang Ding, Jin-Lian Shi, Bo Huang, Hang Ding, Han-Guang Lin, Jin-Cheng Zeng, Yang Zhao, Guo-Qing Luo
OBJECTIVE: To investigate the efficacy of dihydromyricetin (DMY) on nasopharyngeal carcinoma (NPC) cell proliferation, apoptosis and to reveal the underlying mechanism in vitro experiments. METHODS: The CNE-2 cell line was treated with different concentrations of DMY and the effects of DMY on cell viability and proliferation were evaluated using cell counting kit-8 (CCK-8) assay and plate colony formation assay. Cellular apoptosis was detected by flow cytometry following Annexin V fluorescein isothiocyanate/propidine iodide staining...
June 2021: Journal of Traditional Chinese Medicine
https://read.qxmd.com/read/34113552/prospective-clinical-evaluation-of-intra-articular-injection-of-tin-117m-117m-sn-radiosynoviorthesis-agent-for-management-of-naturally-occurring-elbow-osteoarthritis-in-dogs-a-pilot-study
#19
Karanvir S Aulakh, Mandi J Lopez, Caleb Hudson, Lorrie Gaschen, Michelle Fabiani, Brian Beale, Frank M Andrews, Chin-Chi Liu, Jimmy Lattimer
Purpose: To evaluate the clinical effects of an intra-articular injection of 117m Sn-colloid for management of canine grade 1 or 2 elbow osteoarthritis (OA). Patients and Methods: This was a prospective study in 23 dogs with grade 1 or 2 elbow OA. An orthopedic examination and elbow radiographs were performed to confirm the presence of OA. Dogs were randomly assigned to receive unilateral intra-articular (IA) injection of low-dose (LD: 1.0mCi, n =8), medium-dose (MD: 1...
2021: Veterinary Medicine
https://read.qxmd.com/read/34113446/the-plate-to-rod-transition-in-trabecular-bone-loss-is-elusive
#20
A A Felder, S Monzem, R De Souza, B Javaheri, D Mills, A Boyde, M Doube
Changes in trabecular micro-architecture are key to our understanding of osteoporosis. Previous work focusing on structure model index (SMI) measurements have concluded that disease progression entails a shift from plates to rods in trabecular bone, but SMI is heavily biased by bone volume fraction. As an alternative to SMI, we proposed the ellipsoid factor (EF) as a continuous measure of local trabecular shape between plate-like and rod-like extremes. We investigated the relationship between EF distributions, SMI and bone volume fraction of the trabecular geometry in a murine model of disuse osteoporosis as well as from human vertebrae of differing bone volume fraction...
June 9, 2021: Royal Society Open Science
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