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Petar Durdevic, Chitra S Raju, Mads V Bram, Dennis S Hansen, Zhenyu Yang
This article is a feasibility study on using fluorescence-based oil-in-water (OiW) monitors for on-line dynamic efficiency measurement of a deoiling hydrocyclone. Dynamic measurements are crucial in the design and validation of dynamic models of the hydrocyclones, and to our knowledge, no dynamic OiW analysis of hydrocyclones has been carried out. Previous studies have extensively studied the steady state efficiency perspective of hydrocyclones, and have related them to different key parameters, such as the pressure drop ratio (PDR), inlet flow rate, and the flow-spilt...
January 10, 2017: Sensors
Hongjun Zhu, Jiahui You, Honglei Zhao
The time taken for spilt oil to appear firstly at the sea surface and its location are two key issues for emergency response. The underwater spread of oil spill in a shear flow was studied experimentally in a re-circulating water channel. The high speed imaging technology was employed to record the whole transport process of oil spilt from a leak of a submarine pipe to the surface. Based on the experimental results, three underwater transport types are identified, which are single droplet pattern (model A), linear chain pattern (model B) and oil plume pattern (model C), respectively...
January 5, 2017: Marine Pollution Bulletin
A Tabibian, A Kim, J Rose, M Alvelo, C Perel, K Laiken, N Sheth
PURPOSE: A novel optimization technique was developed for field-in-field (FIF) chestwall radiotherapy using bolus every other day. The dosimetry was compared to currently used optimization. METHODS: The prior five patients treated at our clinic to the chestwall and supraclavicular nodes with a mono-isocentric four-field arrangement were selected for this study. The prescription was 5040 cGy in 28 fractions, 5 mm bolus every other day on the tangent fields, 6 and/or 10 MV x-rays, and multileaf collimation...
June 2016: Medical Physics
A B Tarun Kumar, M G Triveni, V Priyadharshini, D S Mehta
AIM AND OBJECTIVES: Edentulism is an incapacitating and irretrievable condition which can lead unswervingly to functional limitation, physical, psychological and social handicap. Maintenance of bone after tooth loss to improve retention, function, and performance of the restoration is a challenging task. The existence of a thin edentulous ridge signifies a clinical situation that is more complex for the placement of endosseous implants. Dental rehabilitation of the edentulous ridges with oral implants has become a routine treatment modality in the last few decades with consistent long term results...
December 2016: Journal of Maxillofacial and Oral Surgery
Peter Lönn, Apollo D Kacsinta, Xian-Shu Cui, Alexander S Hamil, Manuel Kaulich, Khirud Gogoi, Steven F Dowdy
Bioactive macromolecular peptides and oligonucleotides have significant therapeutic potential. However, due to their size, they have no ability to enter the cytoplasm of cells. Peptide/Protein transduction domains (PTDs), also called cell-penetrating peptides (CPPs), can promote uptake of macromolecules via endocytosis. However, overcoming the rate-limiting step of endosomal escape into the cytoplasm remains a major challenge. Hydrophobic amino acid R groups are known to play a vital role in viral escape from endosomes...
2016: Scientific Reports
Ashok S Gavaskar, Bhupesh Karthik B, Naveen C Tummala, Parthasarathy Srinivasan, Hitesh Gopalan
OBJECTIVES: Humeral head sacrificing procedures are more favored in elderly patients with complex proximal humerus fractures because of high incidence of failures and complications with osteosynthesis. The purpose of this study is to assess the outcome of second generation locked plating techniques in 3 and 4 part fractures in active elderly patients >70years with an emphasis on function and complications. MATERIALS AND METHODS: 29 patients with displaced 3 and 4 part proximal humerus fractures were treated using the principles of second-generation proximal humerus locked plating...
August 24, 2016: Injury
Ruth Cox, Crawford W Revie, Daniel Hurnik, Javier Sanchez
Identification and quantification of pathogen threats need to be a priority for the Canadian swine industry so that resources can be focused where they will be most effective. Here we create a tool based on a Bayesian Belief Network (BBN) to model the interaction between biosecurity practices and the probability of occurrence of four different diseases on Canadian swine farms. The benefits of using this novel approach, in comparison to other methods, is that it enables us to explore both the complex interaction and the relative importance of biosecurity practices on the probability of disease occurrence...
September 1, 2016: Preventive Veterinary Medicine
Jantine L Spilt, Eleonora Vervoort, Anne-Katrien Koenen, Guy Bosmans, Karine Verschueren
BACKGROUND: Children with Reactive Attachment Disorder (RAD) have serious socio-behavioral problems and often rely on socially abnormal, aggressive, and manipulative forms of communication. Little is known, however, about the influence of teachers on the socio-behavioral development of children with symptoms of RAD. AIMS: This longitudinal study examined the influence of teacher sensitivity on the socio-behavioral development of children with symptoms of RAD across one school year...
September 2016: Research in Developmental Disabilities
Jantine L Spilt, Geertje Leflot, Patrick Onghena, Hilde Colpin
This intervention study examined teachers' use of verbal praise and reprimands as specific components of teacher behavior management that can promote children's development in schools. The impact of teacher praise and reprimands on children's development was examined in the context of a teacher-mediated, classroom intervention. The sample involved 570 children and 30 teachers from second grade classrooms in 15 primary schools. The Good Behavior Game was implemented in half of the classrooms based on random assignment within schools...
August 2016: Prevention Science: the Official Journal of the Society for Prevention Research
A Caillot, A Veyssière, A Chatellier, D Diep, A Ambroise, H Bénateau
INTRODUCTION: There is no recommendation concerning wisdom teeth (WT) extraction in mandibular orthognathic surgery. We carried out an investigation among the members of the French Society of Stomatology and Oro-maxillofacial Surgery (SFSCMFCO), in order to evaluate the practices and habits of maxillofacial surgeons in this field. MATERIALS AND METHODS: We emailed the 424 members of the SFSCMFCO with a questionnaire. RESULTS: We obtained 143 feedbacks that could be exploited...
June 2016: Revue de Stomatologie, de Chirurgie Maxillo-faciale et de Chirurgie Orale
Jantine Spilt, Jan N Hughes
Previous studies found different trajectories of conflicted relationships with teachers predictive of academic underachievement. However, little is known about what places children at risk for atypical conflict trajectories. This follow-up study examines whether African American ethnicity, IQ, and SES are unique predictors of teacher-student conflict trajectories taking into account sociobehavioral predictors, including aggression and prosocial behavior. The study included the same ethnically diverse sample of 657 academically at-risk children in which previously four latent growth classes of conflict trajectories (grades 1-5) predictive of underachievement were identified...
2015: School Psychology Review
Jitraporn Tanabodee, Kitisak Thepsuwan, Anant Karalak, Orawan Laoaree, Anong Krachang, Kittipong Manmatt, Nualpan Anontwatanawong
This study was conducted to 1206 women who had cervical cancer screening at Chonburi Cancer Hospital. The spilt-sample study aimed to compare the efficacy of abnormal cervical cells detection between liquid-based cytology (LBC) and conventional cytology (CC). The collection of cervical cells was performed by broom and directly smeared on a glass slide for CC then the rest of specimen was prepared for LBC. All slides were evaluated and classified by The Bethesda System. The results of the two cytological tests were compared to the gold standard...
2015: Asian Pacific Journal of Cancer Prevention: APJCP
Nam-Ho Kim, So-Hyoun Lee, Jae-Jun Ryu, Kyung-Hee Choi, Jung-Bo Huh
This study was conducted to evaluate effects of rhBMP-2 applied at different concentrations to sandblasted and acid etched (SLA) implants on osseointegration and bone regeneration in a bone defect of beagle dogs as pilot study using split-mouth design. Methods. For experimental groups, SLA implants were coated with different concentrations of rhBMP-2 (0.1, 0.5, and 1 mg/mL). After assessment of surface characteristics and rhBMP-2 releasing profile, the experimental groups and untreated control groups (n = 6 in each group, two animals in each group) were placed in split-mouth designed animal models with buccal open defect...
2015: BioMed Research International
Hisham Adel Aboul-Enein, Wael Mahmoud Khidr, Khaled Mohamed Abdeen, Aly Abo Madawi
OBJECTIVES: Spinal meningiomas are benign and relatively rare tumors. These tumors present about only 25% of primary spinal tumors. Although spinal meningiomas are considered as slowly growing benign tumors, yet they may cause devastating neurological deficits rendering patients crippled. This study describes performing a posterolateral approach to surgically treat anterior based cervical meningioma. We hereby report on 16 cases operated upon using this approach, and we present our results and display some of our cases with special emphasis on achieving total resection, rate of recurrence and the neurological outcome...
December 2015: Clinical Neurology and Neurosurgery
Sara Matani, J Rush Pierce
We report a case of bilateral chylothorax without evidence of chylous fistula in a 62-year-old man following total laryngectomy and bilateral selective neck dissection for laryngeal cancer. Chylous fistulae, a well-known complication of neck dissection, occurs following 1% to 2% of these surgeries. On rare occasions, the chyle leak may communicate with the pleural space, resulting in chylothorax. This is a rare but potentially life-threatening complication. Bilateral chylothorax following neck dissection is even rarer, with less than 25 cases reported in the literature...
April 2015: Journal of Investigative Medicine High Impact Case Reports
Moonjin Lee, Jung-Yeul Jung
This study presents a model to assess the oil spill risk in Garorim Bay in Korea, where large-scale oil spill accidents frequently occur. The oil spill risk assessment is carried out by using two factors: 1) The impact probability of the oil spill, and 2) the first impact time of the oil that has been spilt. The risk assessment is conducted for environmentally sensitive areas, such as the coastline and aquaculture farms in the Garorim Bay area. Finally, Garorim Bay is divided into six subareas, and the risks of each subarea are compared with one another to identify the subarea that is most vulnerable to an oil spill accident...
November 15, 2015: Marine Pollution Bulletin
Turlough F Guerin
A non invasive sampling and remediation strategy was developed and implemented at shoreline contaminated with spilt diesel. To treat the contamination, in a practical, cost-effective, and safe manner (to personnel working on the stockpiles and their ship loading activity), a non-invasive sampling and remediation strategy was designed and implemented since the location and nature of the impacted geology (rock fill) and sediment, precluded conventional ex-situ and any in-situ treatment where drilling is required...
October 15, 2015: Marine Pollution Bulletin
Zhou Zhou, Gustavo Sato dos Santos, Thomas Dowrick, James Avery, Zhaolin Sun, Hui Xu, David S Holder
The applications of total variation (TV) algorithms for electrical impedance tomography (EIT) have been investigated. The use of the TV regularisation technique helps to preserve discontinuities in reconstruction, such as the boundaries of perturbations and sharp changes in conductivity, which are unintentionally smoothed by traditional l2 norm regularisation. However, the non-differentiability of TV regularisation has led to the use of different algorithms. Recent advances in TV algorithms such as the primal dual interior point method (PDIPM), the linearised alternating direction method of multipliers (LADMM) and the spilt Bregman (SB) method have all been demonstrated successful EIT applications, but no direct comparison of the techniques has been made...
June 2015: Physiological Measurement
Taha Azad, Amin Tashakor, Fereshteh Rahmati, Roohullah Hemmati, Saman Hosseinkhani
In this study, we used spilt luciferase complementation assay strategy in order to further elucidate the main role of WD-40 repeats of Apaf-1 molecules in apoptosome formation. In the presence of ATP and cytochrome c, Apaf-1 monomers oligomerize and provide a platform for the activation of procaspase-9 and subsequently procaspase-3/7. For a detailed biochemical and structural investigation of Apaf-1 function and apoptosome formation, several studies have been made in recent years. However, many questions related to in vivo evaluation of this phenomenon have been persisting to answer...
August 5, 2015: European Journal of Pharmacology
L Gallego-Calvo, M C Gatica, J Santiago-Moreno, J L Guzmán, L A Zarazaga
This paper compares the effects of exposure to exogenous melatonin (MEL), short days (SD, 8h of light) and long days (LD, 16 h of light), on reproductive activity, sperm motility and other reproductive variables, in Blanca Andaluza bucks. Fourteen males were spilt into two groups of seven animals (G1 and G2). They were subjected to five alternations of 2 months of LD followed by 2 months of SD or MEL before the experimental period of three consecutive intervals of: (1) 2 months of SD (G1, N=7) or MEL (G2, N=7); (2) 2 months of LD (G1+G2, N=14); and (3) 2 months of SD (G2, N=7) or MEL (G1, N=7)...
June 2015: Animal Reproduction Science
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