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https://www.readbyqxmd.com/read/28521384/analysis-of-tenodesis-techiques-for-treatment-of-scapholunate-instability-using-the-finite-element-method
#1
Teresa Alonso Rasgado, Qinghang Zhang, David Jimenez Cruz, Colin Bailey, Elizabeth Pinder, Avanthi Mandaleson, Sumedh Talwalkar
Chronic Scapholunate ligament (SL) injuries are difficult to treat and can lead to wrist dysfunction. Whilst several tendon reconstruction techniques have been employed in the management of SL instability, SL gap reappearance after surgery has been reported. Using finite element model and cadaveric study data we investigated the performance of the Corella, schapolunate axis (SLAM) and modified Brunelli tenodesis (MBT) techniques. Virtual tenodesis surgery was undertaken in 3D finite element (FE) models to obtain the scapholunate (SL) gap and angle resulting from the three reconstruction techniques...
May 18, 2017: International Journal for Numerical Methods in Biomedical Engineering
https://www.readbyqxmd.com/read/28515048/essential-function-of-the-serine-hydroxymethyl-transferase-shmt-gene-during-rapid-syncytial-cell-cycles-in-drosophila
#2
Franziska Winkler, Maria Kriebel, Michaela Clever, Stephanie Gröning, Jörg Großhans
Many metabolic enzymes are evolutionary highly conserved and serve a central function for catabolism and anabolism of cells. The serine hydroxymethyl transferase (SHMT) catalysing the conversion of serine and glycine and vice versa feeds into the tetrahydrofolate mediated C1 metabolism. We identified a Drosophila mutation in SHMT (CG3011) in a screen for blastoderm mutants. Embryos from SHMT mutant germline clones specifically arrest the cell cycle in interphase 13 at the time of the mid blastula transition (MBT) and prior to cellularisation...
May 17, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28513880/unstable-rocker-shoes-promote-recovery-from-marathon-induced-muscle-damage-in-novice-runners
#3
Kento Nakagawa, Takayuki Inami, Takahisa Yonezu, Yuta Kenmotsu, Takaya Narita, Yasuo Kawakami, Kazuyuki Kanosue
We recently reported that wearing unstable rocker shoes (Masai Barefoot Technology: MBT) may enhance recovery from marathon race induced fatigue. However, this earlier study only utilized a questionnaire. In the present study, we evaluated MBT utilizing objective physiological measures of recovery from marathon induced muscle damages. Twenty-five university student novice runners were divided into two groups. After running a full marathon, one group wore MBT shoes (MBT group), and the control group (CON) wore ordinary shoes daily for one week following the race...
May 17, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28506668/characterization-of-selected-municipal-solid-waste-components-to-estimate-their-biodegradability
#4
R Bayard, H Benbelkacem, R Gourdon, P Buffière
Biological treatments of Residual Municipal Solid Waste (RMSW) allow to divert biodegradable materials from landfilling and recover valuable alternative resources. The biodegradability of the waste components needs however to be assessed in order to design the bioprocesses properly. The present study investigated complementary approaches to aerobic and anaerobic biotests for a more rapid evaluation. A representative sample of residual MSW was collected from a Mechanical Biological Treatment (MBT) plant and sorted out into 13 fractions according to the French standard procedure MODECOM™...
May 12, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28505220/multicenter-evaluation-of-the-bruker-maldi-biotyper-ca-system-for-the-identification-of-clinically-important-bacteria-and-yeasts
#5
Deborah A Wilson, Stephen Young, Karen Timm, Susan Novak-Weekley, Elizabeth M Marlowe, Neil Madisen, Jennifer L Lillie, Nathan A Ledeboer, Rebecca Smith, Josh Hyke, Christen Griego-Fullbright, Patricia Jim, Paul A Granato, Matthew L Faron, Joven Cumpio, Blake W Buchan, Gary W Procop
Objectives: A report on the multicenter evaluation of the Bruker MALDI Biotyper CA System (MBT-CA; Bruker Daltonics, Billerica, MA) for the identification of clinically important bacteria and yeasts. Methods: In total, 4,399 isolates of medically important bacteria and yeasts were assessed in the MBT-CA. These included 2,262 aerobic gram-positive (AGP) bacteria, 792 aerobic gram-negative (AGN) bacteria 530 anaerobic (AnA) bacteria, and 815 yeasts (YSTs). Three processing methods were assesed...
May 13, 2017: American Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28504676/developing-spindlin1-small-molecule-inhibitors-by-using-protein-microarrays
#6
Narkhyun Bae, Monica Viviano, Xiaonan Su, Jie Lv, Donghang Cheng, Cari Sagum, Sabrina Castellano, Xue Bai, Claire Johnson, Mahmoud Ibrahim Khalil, Jianjun Shen, Kaifu Chen, Haitao Li, Gianluca Sbardella, Mark T Bedford
The discovery of inhibitors of methyl- and acetyl-binding domains has provided evidence for the 'druggability' of epigenetic effector molecules. The small-molecule probe UNC1215 prevents methyl-dependent protein-protein interactions by engaging the aromatic cage of MBT domains and, with lower affinity, Tudor domains. Using a library of tagged UNC1215 analogs, we screened a protein-domain microarray of human methyllysine effector molecules to rapidly detect compounds with new binding profiles with either increased or decreased specificity...
May 15, 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28498870/brg1-chromatin-remodeling-atpase-balances-germ-layer-patterning-by-amplifying-the-transcriptional-burst-at-midblastula-transition
#7
Gabriele Wagner, Nishant Singhal, Dario Nicetto, Tobias Straub, Elisabeth Kremmer, Ralph A W Rupp
Zygotic gene expression programs control cell differentiation in vertebrate development. In Xenopus, these programs are initiated by local induction of regulatory genes through maternal signaling activities in the wake of zygotic genome activation (ZGA) at the midblastula transition (MBT). These programs lay down the vertebrate body plan through gastrulation and neurulation, and are accompanied by massive changes in chromatin structure, which increasingly constrain cellular plasticity. Here we report on developmental functions for Brahma related gene 1 (Brg1), a key component of embyronic SWI/SNF chromatin remodeling complexes...
May 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28488379/barriers-and-facilitators-to-the-implementation-of-mentalization-based-treatment-mbt-for-borderline-personality-disorder
#8
Dawn L Bales, Roel Verheul, Joost Hutsebaut
There are several evidence-based treatments for borderline personality disorder, but very little is known about the success or failure of implementation in daily practice. This study aims to investigate the success or failure of newly started mentalization-based treatment programs, and to explore the barriers and facilitators. The implementation trajectories of seven different mentalization-based treatment programs in six mental health clinics in the Netherlands were included in a multiple case study combining a qualitative and quantitative design...
May 2017: Personality and Mental Health
https://www.readbyqxmd.com/read/28487778/cl-ii-malocclusion-treatment-using-the-modified-twin-block-appliance-coordinated-with-fixed-orthodontics-in-a-postmenarche-patient
#9
Amin Aminian, Shahriar Sarvareh Azimzadeh, Elina Rahmanian
Functional appliances have been used for treatment of Class II patients for a long time. The main objective of therapy with functional appliances is to induce supplementary lengthening of the mandible by stimulating increased growth at the condylar cartilage. The Twin Block appliance is one of the most commonly used functional appliances. The aim of this paper is to present a case report of mandibular deficiency treatment with Twin Block appliance in a female patient whose sexual maturation (one and a half years after menarche) and cervical vertebral maturation stage indicated the end of the growth peak...
2017: Case Reports in Dentistry
https://www.readbyqxmd.com/read/28486429/mechanics-based-tomography-a-preliminary-feasibility-study
#10
Yue Mei, Sicheng Wang, Xin Shen, Stephen Rabke, Sevan Goenezen
We present a non-destructive approach to sense inclusion objects embedded in a solid medium remotely from force sensors applied to the medium and boundary displacements that could be measured via a digital image correlation system using a set of cameras. We provide a rationale and strategy to uniquely identify the heterogeneous sample composition based on stiffness (here, shear modulus) maps. The feasibility of this inversion scheme is tested with simulated experiments that could have clinical relevance in diagnostic imaging (e...
May 9, 2017: Sensors
https://www.readbyqxmd.com/read/28470325/continuous-fabrication-of-microcapsules-with-controllable-metal-covered-nanoparticle-arrays-using-droplet-microfluidics-for-localized-surface-plasmon-resonance
#11
Juan Wang, Mingliang Jin, Yingxin Gong, Hao Li, Sujuan Wu, Zhang Zhang, Guofu Zhou, Lingling Shui, Jan C T Eijkel, Albert van den Berg
The construction of ordered nanoparticle arrays is important for nanophotonics and sensing applications. We report a facile technology for continuous-flow fabrication of particle-laden plasmonic microcapsules (PLPMs) by combining droplet microfluidics, nanoparticle self-assembly and thin film deposition. The metallic hierarchical nanostructures on PLPMs are presented with high-density "hot-spot" scattering sites with the nanoarray pitch and gap distance being controlled by the deposited metal film thickness and nanoparticle size...
May 4, 2017: Lab on a Chip
https://www.readbyqxmd.com/read/28468565/-mentalization-based-treatment-of-an-adolescent-girl-with-conduct-disorder
#12
Melanie Reiter, Astrid Bock, Marie-Luise Althoff, Svenja Taubner, Kathrin Sevecke
Mentalization Based Treatment of an Adolescent Girl with Conduct Disorder This paper will give a short overview on the theoretical concept of mentalization and its specific characteristics in adolescence. A previous study on Mentalization based treatment for adolescents (MBT-A) demonstrated the effectiveness of MBT-A for the treatment of adolescents with symptoms of deliberate self-harm (Rossouw u. Fonagy, 2012). Based on the results of this study Taubner, Gablonski, Sevecke, and Volkert (in preparation) developed a manual for mentalization based treatment for adolescents with conduct disorders (MBT-CD)...
May 2017: Praxis der Kinderpsychologie und Kinderpsychiatrie
https://www.readbyqxmd.com/read/28464298/yield-cultivation-of-magnetotactic-bacteria-and-magnetosomes-a-review
#13
REVIEW
Imran Ali, Changsheng Peng, Zahid M Khan, Iffat Naz
Magnetotactic bacteria (MTB) have started to be employed for the biosynthesis of magnetic nanoparticles, due to the rapidly increasing demand for nanoparticles in biomedical, biotechnology and environmental protection. MBT are the group of prokaryotes that have the ability to produce bio-magnetic minerals or bio-magnetic crystals of either magnetite (Fe3 O4 ) or greigite (Fe3 S4 ) in numerous shapes and size ranges, known as magnetosomes (MS). MS compel MTB to respond to the applied external magnetic field...
May 2, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/28454009/environmental-risk-assessment-of-effluents-as-a-whole-emerging-contaminant-efficiency-of-alternative-tertiary-treatments-for-wastewater-depuration
#14
B Díaz-Garduño, M G Pintado-Herrera, M Biel-Maeso, J J Rueda-Márquez, P A Lara-Martín, J A Perales, M A Manzano, C Garrido-Pérez, M L Martín-Díaz
Emerging contaminants (ECs) and regulated compounds (RCs) from three different WWTP effluents were measured in the current study. The efficiency of two tertiary treatments, Photobiotreatment (PhtBio) and Multi-Barrier Treatment (MBT), for removing contaminants was determined. Results indicated different percentages of removal depending on the treatment and the origin of the effluent. Risk Quotients (RQs) were determined for different species of algae, Daphnia, and fish. RQ results revealed diverse risk values depending on the bioindicator species...
April 10, 2017: Water Research
https://www.readbyqxmd.com/read/28444315/towards-the-early-detection-of-%C3%AE-lactamase-producing-enterobacteriaceae-by-maldi-tof-ms-analysis
#15
Marina Oviaño, Marta Gómara, Maria José Barba, María José Revillo, Luis Pedro Barbeyto, Germán Bou
Objectives: Development of a novel MALDI-TOF MS-based method for the rapid detection of ESBL-producing Enterobacteriaceae. Methods: The method was evaluated in terms of sensitivity, specificity and turnaround time regarding the antibiotic used (cefotaxime, ceftazidime, ceftriaxone, cefpodoxime or cefepime) and the performance of the automated MBT STAR-BL software (Bruker Daltonik GmbH, Germany) relative to qualitative interpretation of spectra for detecting β-lactamase resistance by MALDI-TOF MS (Bruker Daltonik) in a collection of 11 isogenic Escherichia coli control strains expressing different β-lactamases...
April 24, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28409416/tributyltin-bioaccumulation-and-toxic-effects-in-freshwater-gastropods-pomacea-canaliculata-after-a-chronic-exposure-field-and-laboratory-studies
#16
María L Martínez, María N Piol, Norma Sbarbati Nudelman, Noemí R Verrengia Guerrero
Freshwater samples and gastropod mollusks (Pomacea canaliculata) were collected at 5 sampling stations located along the lower Río de la Plata basin, Argentina, to assess the extent of tributyltin (TBT) contamination. Determined data revealed the presence of TBT and some of its breakdown products (dibutyltin: DBT, and monobutyltin: MBT) in all freshwater samples and also in soft tissues of P. canaliculata gastropods. Chronic bioassays (6 months) were performed using female gastropods that had been reared under laboratory conditions and exposed to a similar TBT concentration than the value determined in freshwater samples (1 µg L(-1))...
April 13, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/28401243/two-shell-structured-pmaa-ceo2-nanocontainers-loaded-with-2-mercaptobenzothiazole-for-corrosion-protection-of-damaged-epoxy-coated-aa-2024-t3
#17
A C Balaskas, T Hashimoto, M Curioni, G E Thompson
In this work, novel two-shell structured inhibitor-loaded poly(methacrylic acid)@cerium oxide (PMAA@CeO2) nanocontainers were synthesised and characterized. The purpose of the nanocontainers is to increase the corrosion protection provided by an epoxy coating applied to an aerospace alloy (AA 2024-T3). The (PMAA@CeO2) nanocontainers with diameters of 550 nm were synthesised by a four-step process with the method of distillation precipitation polymerization for the synthesis of the inner PMAA layer, and the sol-gel method for the development of the outer CeO2 layer...
May 4, 2017: Nanoscale
https://www.readbyqxmd.com/read/28390281/analysis-of-msw-full-scale-facilities-based-on-anaerobic-digestion-and-or-composting-using-respiration-indices-as-performance-indicators
#18
J Colón, S Ponsá, C Álvarez, M Vinot, F J Lafuente, D Gabriel, A Sánchez
The Landfill Directive (1999/31/EC) forces European States to reduce the amount of biodegradable municipal waste landfilled to 35% of 1995 levels. Mechanical-Biological Treatment (MBT) plants are the main alternative to waste incineration and landfilling. In this work, the waste treatment efficiency of six full-scale MBT facilities has been analysed using respiration indices (Dynamic Respiration Index and Cumulative Oxygen Consumption) to monitor plant performance. MBTs relying on anaerobic digestion plus composting achieved a high grade of stability on final compost (0...
March 30, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28376828/all-polyethylene-tibial-components-in-distal-femur-limb-salvage-surgery-a-finite-element-analysis-based-on-promising-clinical-outcomes
#19
Fan Tang, Yong Zhou, Wenli Zhang, Li Min, Rui Shi, Yi Luo, Hong Duan, Chongqi Tu
BACKGROUND: Whether all-polyethylene tibial (APT) components are beneficial to patients who received distal femur limb-salvage surgery lacks high-quality clinical follow-up and mechanical evidence. This study aimed to investigate the biomechanics of the distal femur reconstructed with APT tumor knee prostheses using finite element (FE) analysis based on our previous, promising clinical outcome. METHODS: Three-dimensional FE models that use APT and metal-backed tibial (MBT) prostheses to reconstruct distal femoral bone defects were developed and input into the Abaqus FEA software version 6...
April 4, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28372851/fate-and-significance-of-phthalates-and-bisphenol-a-in-liquid-by-products-generated-during-municipal-solid-waste-mechanical-biological-pre-treatment-and-disposal
#20
Sylwia Fudala-Ksiazek, Mattia Pierpaoli, Aneta Luczkiewicz
Samples of liquid by-products generated by municipal solid waste plants (MSWPs) were tested for the presence of phthalates (PAEs) and bisphenol A (BPA). The results indicated that the wastewater generated during mechanical (sorting unit - SU) and biological (composting unit - CU) pre-treatment (MBT) of residual (mixed) solid waste is a significant source of these compounds. The concentrations of PAEs (up to 32222μg/L) and BPA (up to 1795μg/L) in the SU and CU wastewaters were generally higher than those in landfill leachates tested in this and other studies...
March 31, 2017: Waste Management
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