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https://www.readbyqxmd.com/read/28324958/ultrafast-oscillatory-flow-pcr-for-amplication-of-urine-short-tandem-repeats
#1
Haoyu Tang, Tao Dong
The short tandem repeats (STRs) in human urine which is the most sensitive body fluid can be serviced as biomarkers for the individual identification. PCR microchips are automated, sensitive and rapid. In this report, COMSOL with Finite Element Analysis (FEA) is employed to study the temperature distribution of the base layer to optimize the structure of the microfluidic chip. Meanwhile, the oscillatory PCR microdevice is preliminary tested by DNA samples extracted from urine with the FTA papers and CSF1PO, TPOX, TH01 Multiplex kits...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324898/breathing-and-swallowing-the-next-frontier
#2
Roxann Diez Gross, Marybeth Trapani-Hanasewych
The anatomical overlap of the pathways for air passage and nutrition necessitate precise coordination between the two vital functions. Neuroanatomic structures in the brainstem for sucking, breathing, and swallowing are also in close proximity and must swiftly coordinate the processes. In a healthy neonate, the oropharyngeal experience and stimulation of early feeding enables respiratory control during suckling to develop. Despite wide variability among the methods used to investigate breathing and swallowing coordination in infancy, a consistent finding of postswallow exhalation has been reported...
April 2017: Seminars in Speech and Language
https://www.readbyqxmd.com/read/28324875/unilateral-postoperative-deep-cerebral-venous-thrombosis-with-complete-recovery-a-report-of-2-cases
#3
Mony Benifla, Suzzanne Laughlin, Zulma S Tovar-Spinoza, James T Rutka, Peter B Dirks
Postsurgical deep brain venous thrombosis has not been well described in children before. When approaching thalamic or intraventricular lesions, extra care should be taken to prevent injury to the internal cerebral veins (ICVs) and the vein of Galen. However, even when they are well preserved during surgery, postoperative hemodynamic changes, mainly in the first 24 h, or surgical manipulation can cause thrombosis of these veins. We report 2 children with unilateral postoperative ICV thrombosis; in 1 of the patients the vein of Galen was also thrombosed...
March 22, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28324820/the-relationship-between-motorcycle-rider-behaviour-questionnaire-scores-and-crashes-for-riders-in-australia
#4
A N Stephens, J Brown, L de Rome, M R J Baldock, R Fernandes, M Fitzharris
Motorcycle riders are over-represented in road fatalities in Australia. While riders represent 18% of the road users killed each year, motorcycle registrations constitute only 4.5% of the registered vehicle fleet. The Motorcycle Rider Behaviour Questionnaire (MRBQ) was developed with a view toward understanding behaviours likely to be associated with crash risk. These include behaviours that are either intentional (such as violations of road and speed regulations and stunts) or unintentional (such as errors relating to traffic or control of the motorcycle), as well as protective behaviours related to use of safety equipment...
March 18, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28324806/social-networking-site-sns-use-by-adolescent-mothers-can-social-support-and-social-capital-be-enhanced-by-online-social-networks-a-structured-review-of-the-literature
#5
REVIEW
Samantha Nolan, Joyce Hendricks, Sally Ferguson, Amanda Towell
AIMS AND OBJECTIVES: to critically appraise the available literature and summarise the evidence relating to adolescent mothers' use of social networking sites in terms of any social support and social capital they may provide and to identify areas for future exploration. BACKGROUND: social networking sites have been demonstrated to provide social support to marginalised individuals and provide psycho-social benefits to members of such groups. Adolescent mothers are at risk of; social marginalisation; anxiety disorders and depressive symptoms; and poorer health and educational outcomes for their children...
March 7, 2017: Midwifery
https://www.readbyqxmd.com/read/28324799/modified-masquelet-technique-using-allogeneic-umbilical-cord-derived-mesenchymal-stem-cells-for-infected-non-union-femoral-shaft-fracture-with-a-12-cm-bone-defect-a-case-report
#6
Ismail Hadisoebroto Dilogo, Muhammad Rizqi Adhi Primaputra, Jeanne Adiwinata Pawitan, Isabella Kurnia Liem
INTRODUCTION: Non-union due to large bone loss often causes significant long-term morbidity. We incorporate the use of allogeneic umbilical cord-derived mesenchymal stem cells (UC-MSCs) as part of the diamond concept of regenerative medicine in a case of infected non-union fracture. PRESENTATION OF CASE: We reported a 54-year-old female patient presenting with pain on the right thigh. She was previously diagnosed with a closed fracture of the right femoral shaft and underwent four surgeries before finally being referred to Dr...
March 6, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/28324708/removal-of-haloacetic-acids-from-swimming-pool-water-by-reverse-osmosis-and-nanofiltration
#7
Linyan Yang, Qianhong She, Man Pun Wan, Rong Wang, Victor W-C Chang, Chuyang Y Tang
Recent studies report high concentrations of haloacetic acids (HAAs), a prevalent class of toxic disinfection by-products, in swimming pool water (SPW). We investigated the removal of 9 HAAs by four commercial reverse osmosis (RO) and nanofiltration (NF) membranes. Under typical SPW conditions (pH 7.5 and 50 mM ionic strength), HAA rejections were >60% for NF270 with molecular weight cut-off (MWCO) equal to 266 Da and equal or higher than 90% for XLE, NF90 and SB50 with MWCOs of 96, 118 and 152 Da, respectively, as a result of the combined effects of size exclusion and charge repulsion...
March 10, 2017: Water Research
https://www.readbyqxmd.com/read/28324649/sulfonamides-as-selective-nav1-7-inhibitors-optimizing-potency-pharmacokinetics-and-metabolic-properties-to-obtain-atropisomeric-quinolinone-am-0466-that-affords-robust-in-vivo-activity
#8
Russell F Graceffa, Alessandro A Boezio, Jessica Able, Steven Altmann, Loren M Berry, Christiane M Boezio, John R Butler, Margaret Y Chu-Moyer, Melanie Cooke, Erin F DiMauro, Thomas A Dineen, Elma Feric Bojic, Robert S Foti, Robert T Fremeau, Angel Guzman-Perez, Hua Gao, Hakan Gunaydin, Hongbing Huang, Liyue Huang, Christopher Ilch, Michael Jarosh, Thomas Kornecook, Charles R Kreiman, Daniel S La, Joseph Ligutti, Benjamin Charles Milgram, Min-Hwa Jasmine Lin, Isaac E Marx, Hanh Nho Nguyen, Emily A Peterson, Gwen Rescourio, John Roberts, Laurie B Schenkel, Roman Shimanovich, Brian Andrew Sparling, John Stellwagen, Kristin Taborn, Karina R Vaida, Jean Wang, John T S Yeoman, Violeta L Yu, Dawn Zhu, Bryan D Moyer, Matthew M Weiss
Due to its strong genetic validation, NaV1.7 has attracted significant interest as a target for the treatment of pain. We have previously reported on a number of structurally distinct bicyclic heteroarylsulfonamides as NaV1.7 inhibitors that demonstrate high levels of selectivity over other NaV isoforms. Herein, we report the discovery and optimization of a novel series of atropisomeric quinolinone sulfonamide inhibitors of NaV1.7, which demonstrate nanomolar inhibition of NaV1.7 and exhibit high levels of selectivity over other sodium channel isoforms...
March 21, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28324256/legacy-effects-of-simulated-short-term-climate-change-on-ammonia-oxidisers-denitrifiers-and-nitrous-oxide-emissions-in-an-acid-soil
#9
Xiaoya Xu, Xiaorui Liu, Yong Li, Yu Ran, Yapeng Liu, Qichun Zhang, Zheng Li, Yan He, Jianming Xu, Hongjie Di
Although the effect of simulated climate change on nitrous oxide (N2O) emissions and on associated microbial communities has been reported, it is not well understood if these effects are short-lived or long-lasting. Here, we conducted a field study to determine the interactive effects of simulated warmer and drier conditions on nitrifier and denitrifier communities and N2O emissions in an acidic soil and the longevity of the effects. A warmer (+2.3 °C) and drier climate (-7.4% soil moisture content) was created with greenhouses...
March 21, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28324234/damage-induced-alarm-cues-influence-lateralized-behaviour-but-not-the-relationship-between-behavioural-and-habenular-asymmetry-in-convict-cichlids-amatitlania-nigrofasciata
#10
Michele K Moscicki, Peter L Hurd
Cerebral lateralization, the partitioning of functions into a certain hemisphere of the brain, is ubiquitous among vertebrates. Evidence suggests that the cognitive processing of a stimulus is performed with a specific hemisphere depending in part upon the emotional valence of the stimulus (i.e. whether it is appetitive or aversive). Recent work has implicated a predominance of right-hemisphere processing for aversive stimuli. In fish with laterally placed eyes, the preference to view an object with a specific eye has been used as a proxy for assessing cerebral lateralization...
March 21, 2017: Animal Cognition
https://www.readbyqxmd.com/read/28324204/tibial-nerve-neuropathy-following-medial-opening-wedge-high-tibial-osteotomy-case-report-of-a-rare-technical-complication
#11
Young-Soo Shin, Hyun-Bo Sim, Jung-Ro Yoon
A 63-year-old woman developed tibial nerve injury caused by an overlong K wire and 4.5-mm cortical lag screw through the first distal hole below the osteotomy during medial opening-wedge high tibial osteotomy (HTO), leading to a lack of sensation on the sole of the foot with no disturbances in motor functions. The temporary lag screw in the first distal hole below the osteotomy is often inserted by an excessive length in order to compress the potentially fractured opposite cortex. By doing so, posterior neurovascular structures including the tibial nerve and the popliteal vessels can be injured...
March 21, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28324187/frontal-burr-hole-approach-for-neuroendoscopic-resection-of-craniopharyngioma-with-the-nico-myriad-device-report-of-two-cases
#12
Reilin J Moore, Andrea Scherer, Daniel H Fulkerson
OBJECTIVE: Craniopharyngiomas are challenging tumors to resect due to their deep location and proximity to vital structures. The perceived benefit of gross total resection may be tempered by the possibility of permanent disability. Minimally invasive techniques may reduce surgical morbidity while still allowing effective resection. The authors describe their initial experience with a neuroendoscopic transcortical, transventricular approach to two craniopharyngiomas. The surgeries were performed through a right frontal burr hole using the NICO Myriad, a side-cutting, aspiration device that fits through the working channel of a standard neuroendoscope...
March 21, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28324170/microscopic-and-ultrastructural-evidences-in-human-skin-following-calcium-hydroxylapatite-filler-treatment
#13
Nicola Zerbinati, Edoardo D'Este, Pier Camillo Parodi, Alberto Calligaro
This study uses light and electron microscopes to gain a better knowledge of the interactions of calcium hydroxylapatite filler with the connective tissue of the skin and the modifications of the human deep dermis, after 2 months of treatment. Some morphological evidences of this observational study of filler treated tissue support-specific mechanism involved in the structural modifications of both filler microspherules and cells of the connective tissue. They demonstrate the absence of any immunological reaction and show that the used filler is modified very slowly over time by the action of cells of the connective tissue closely related to the filler without any activity of phagocytosis...
March 21, 2017: Archives of Dermatological Research
https://www.readbyqxmd.com/read/28323990/galactose-supplementation-in-tmem165-cdg-patients-rescues-the-glycosylation-defects
#14
Willy Morelle, Sven Potelle, Peter Witters, Sunnie Wong, Leslie Climer, Vladimir Lupashin, Gert Matthijs, Therese Gadomski, Jaak Jaeken, David Cassiman, Eva Morava, François Foulquier
Context: TMEM165 deficiency is a severe multisystem disease that manifests with metabolic, endocrine and skeletal involvement. It leads to one type of congenital disorders of glycosylation (CDG), a rapidly growing group of inherited diseases where the glycosylation process is altered. Patients have decreased galactosylation by serum glycan analysis. There are over one hundred CDGs but only specific types are treatable. Objective: Galactose has been shown to be beneficial in other CDG types with abnormal galactosylation...
January 9, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28323872/expression-maturation-and-turnover-of-drrs-an-unusually-stable-dosr-regulated-small-rna-in-mycobacterium-tuberculosis
#15
Alexandra Moores, Ana B Riesco, Stefan Schwenk, Kristine B Arnvig
Mycobacterium tuberculosis depends on the ability to adjust to stresses encountered in a range of host environments, adjustments that require significant changes in gene expression. Small RNAs (sRNAs) play an important role as post-transcriptional regulators of prokaryotic gene expression, where they are associated with stress responses and, in the case of pathogens, adaptation to the host environment. In spite of this, the understanding of M. tuberculosis RNA biology remains limited. Here we have used a DosR-associated sRNA as an example to investigate multiple aspects of mycobacterial RNA biology that are likely to apply to other M...
2017: PloS One
https://www.readbyqxmd.com/read/28323870/contribution-of-sortase-srta2-to-lactobacillus-casei-bl23-inhibition-of-staphylococcus-aureus-internalization-into-bovine-mammary-epithelial-cells
#16
Renata F S Souza, Julien Jardin, Chantal Cauty, Lucie Rault, Damien S Bouchard, Luis G Bermúdez-Humarán, Philippe Langella, Vicente Monedero, Núbia Seyffert, Vasco Azevedo, Yves Le Loir, Sergine Even
Probiotics have been considered as a promising strategy to prevent various diseases in both humans and animals. This approach has gained interest in recent years as a potential means to control bovine mastitis. In a previous study, we found that several L. casei strains, including BL23, were able to inhibit the internalization of S. aureus, a major etiologic agent of mastitis, into bovine mammary epithelial cells (bMEC). This antagonism required a direct contact between L. casei and bMEC or S. aureus, suggesting the inhibition relied on interactions between L...
2017: PloS One
https://www.readbyqxmd.com/read/28323849/bis-sulfosuccinimidyl-suberate-bs3-crosslinking-analysis-of-the-behavior-of-amyloid-%C3%AE-peptide-in-solution-and-in-phospholipid-membranes
#17
Jing-Ming Shi, Jie Pei, En-Qi Liu, Lin Zhang
The structure and state of amyloid-β peptide (Aβ) oligomers often need to be checked by reliable experimental methods. Electrophoresis is a commonly applied measurement method. However, due to the presence of detergents, oligomers are easily broken during electrophoresis, which makes it very hard to accurately assess Aβ aggregate states. In the current study, bis(sulfosuccinimidyl) suberate (BS3) was used to cross-link Aβ1-42 oligomers prior to electrophoresis. When compared to a previously reported Aβ cross-linking agent, glutaraldehyde, it was quite apparent that BS3 is more suitable for detecting intra-membrane Aβ oligomers and extra-membrane Aβ oligomers states...
2017: PloS One
https://www.readbyqxmd.com/read/28323754/-it-s-inside-my-body-and-it-s-mine
#18
Elizabeth T Montgomery, Ariane van der Straten, Miria Chitukuta, Krishnaveni Reddy, Kubashni Woeber, Millicent Atujuna, Linda-Gail Bekker, Juliane Etima, Teopista Nakyanzi, Ashley J Mayo, Ariana Katz, Nicole Laborde, Cynthia I Grossman, Lydia Soto-Torres, Thesla Palanee-Phillips, Jared M Baeten
The MTN-020/ASPIRE trial evaluated the safety and effectiveness of the dapivirine vaginal ring for prevention of HIV-1 infection among African women. A nested qualitative component was conducted at 6 of 15 study sites in Uganda, Malawi, Zimbabwe and South Africa to evaluate acceptability of and adherence to the ring. Qualitative study participants (n = 214) were interviewed with one of 3 modalities: single in-depth interview, up to 3 serial interviews, or an exit Focus Group Discussion. Using semi-structured guides administered in local languages, 280 interviews were audio-recorded, transcribed, translated, coded and analyzed...
March 18, 2017: AIDS
https://www.readbyqxmd.com/read/28323715/the-safety-and-strength-of-a-novel-medial-partial-nonthreaded-pedicle-screw-a-cadaveric-and-biomechanical-investigation
#19
Mun Keong Kwan, Chris Yin Wei Chan, Lim Beng Saw, Shanmugam Rukmanikanthan, Lawrence G Lenke
STUDY DESIGN: Cadaveric and biomechanical study. OBJECTIVE: The aim of this study was to assess the safety and pullout strength of medial, partial nonthreaded thoracic pedicle screws compared with conventional screws. SUMMARY OF BACKGROUND DATA: The perforation rate of the pedicle screws has been reported as high as 41%. Nerve injury and irritation can result from the compression of malpositioned screw on neural structures. METHODS: Ten fresh cadavers were studied...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28323635/magnetic-states-of-mnp-muon-spin-rotation-studies
#20
R Khasanov, A Amato, P Bonfà, Z Guguchia, H Luetkens, E Morenzoni, R De Renzi, N D Zhigadlo
Muon-spin rotation data collected at ambient pressure (p) and at p  =  2.42 GPa in MnP were analyzed to check their consistency with various low- and high-pressure magnetic structures reported in the literature. Our analysis confirms that in MnP the low-temperature and low-pressure helimagnetic phase is characterised by an increased value of the average magnetic moment compared to the high-temperature ferromagnetic phase. An elliptical double-helical structure with a propagation vector [Formula: see text], an a-axis moment elongated by approximately 18% and an additional tilt of the rotation plane towards c-direction by [Formula: see text]-8° leads to a good agreement between the theory and the experiment...
March 21, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
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