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https://www.readbyqxmd.com/read/29232659/phytosphingosine-prevents-the-formation-of-young-salivary-biofilms-in-vitro
#1
Floris J Bikker, Michel A Hoogenkamp, Amine Malhaoui, Kamran Nazmi, Jessica Neilands, Bastiaan P Krom
Dental biofilms are formed in a multistep process that is initiated by the adhesion of oral bacteria to the dental hard surface. As dental biofilms are associated with oral diseases their control is necessary in order to maintain oral health. Recently, it was revealed that phytosphingosine (PHS)-treated hydroxyapatite discs showed anti-adhesive activity in a static in vitro biofilm model against Streptococcus mutans. The goal of the present study was to further unravel the anti-adhesive and anti-biofilm properties of PHS in both static and dynamic in vitro biofilm models against a full salivary inoculum...
December 13, 2017: Caries Research
https://www.readbyqxmd.com/read/29231975/the-precise-subcellular-localization-of-dlg-in-the-drosophila-larva-body-wall-using-improved-pre-embedding-immuno-em
#2
Guangming Gan, Chenchen Zhang
Discs-large (Dlg) plays important roles in nerve tissue and epithelial tissue in Drosophila. However, the precise positioning of Dlg in the neuromuscular junction remains to be confirmed using an optimized labeling method. In this study, we improved the method of pre-embedding immunogold electron microscopy without the osmic tetroxide procedure, and we found that Lowicryl K4 M resin and low temperature helped to preserve the authenticity of the labeling signal with relatively good contrast. Dlg was strongly expressed in the entire subsynaptic reticulum (SSR) membrane of type Ib boutons, expressed in parts of the SSR membrane of type Is boutons, weakly expressed in axon terminals and axons, and not expressed in pre- or postsynaptic membranes of type Is boutons...
December 12, 2017: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/29231618/-visualization-analysis-of-citespace-knowledge-map-for-lumbar-disc-herniation-treated-with-acupuncture-and-moxibustion
#3
Zhaoqiang Li, Yi Qin, Yuanxiang Tian, Jianxin Zhao
OBJECTIVE: To analyze the researches of acupuncture and moxibustion for lumbar disc herniation (LDH) in recent 15 years and summarize the research direction and collect the knowledge structure. METHODS: The relevant literature on acupuncture and moxibustion for the treatment of LDH was retrieved from CNKI. After Refworks format reversion, the CiteSpace software was used to create the reproductive map of the authors, research institutions and keywords in the literature on acupuncture and moxibustion for LDH...
May 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29231605/-clinical-research-of-mild-and-moderate-lumbar-disc-herniation-of-blood-stagnation-syndrome-treated-with-qi-conducting-needling-technique-at-the-governor-vessel-acupoints-combined-with-electroacupuncture
#4
Yaochi Wu, Yijun Sun, Junfeng Zhang, Yan Li, Chongmiao Wang
OBJECTIVE: To compare the difference in the clinical therapeutic effects on mild and moderate lumbar disc herniation (LDH) of blood stagnation syndrome between qi-conducting needling technique at the governor vessel acupoints combined with electroacupuncture (EA) and conventional EA. METHODS: Two hundred and one patients of LDH at the mild and moderate stage, differentiated as blood stagnation syndrome were randomized into an observation group (101 cases) and a control group (100 cases)...
May 12, 2017: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29231153/antibiotic-susceptibility-pattern-of-neisseria-gonorrhoeae-strains-isolated-from-five-cities-in-india-during-2013-2016
#5
Sangeeta V Kulkarni, Manju Bala, Syeeda A Muqeeth, G Sasikala, Amit P Nirmalkar, R Thorat, H Kambli, Jyoti Sawant, Arun Risbud, Raman R Gangakhedkar, Sheela V Godbole
PURPOSE: Emergence of multidrug resistance in Neisseria gonorrhoeae, an STI of public health significance is the biggest challenge to gonorrhoea control. Monitoring for antimicrobial resistance is essential for the early detection of emergent drug resistance patterns. METHODOLOGY: One hundred and twenty four N. gonorrhoeae strains were isolated between September 2013-August 2016 [82-New Delhi, 3-Pune, 3-Mumbai, 20-Secunderabad and 16-Hyderabad] to determine antimicrobial susceptibility and to compare the CLSI disc diffusion method with Etest for these strains...
December 12, 2017: Journal of Medical Microbiology
https://www.readbyqxmd.com/read/29230492/uplc-ms-ms-analysis-of-antibiotics-in-pharmaceutical-effluent-in-tunisia-ecotoxicological-impact-and-multi-resistant-bacteria-dissemination
#6
Leyla Tahrani, Ines Mehri, Tim Reyns, Roel Anthonissen, Luc Verschaeve, Anis Bel Haj Khalifa, Joris Van Loco, Hassen Abdenaceur, Hedi Ben Mansour
The UPLC MS/MS analysis showed the presence of the two antibiotics in the pharmaceutical industry discharges during 3 months; norfloxacin and spiramycin which were quantified with the mean concentrations of 226.7 and 84.2 ng mL-1, respectively. Sixteen resistant isolates were obtained from the pharmaceutical effluent and identified by sequencing. These isolates belong to different genera, namely Citrobacter, Acinetobacter, Pseudomonas, Delftia, Shewanella, and Rheinheimera. The antibiotic resistance phenotypes of these isolates were determined (27 tested antibiotics-discs)...
December 11, 2017: Archives of Microbiology
https://www.readbyqxmd.com/read/29230322/macular-retinal-vessel-oxygen-saturation-elevation-in-chinese-central-serous-chorioretinopathy
#7
Cheng Li, Xiaoxiao Feng, Xin Wen, Xiaobing Qian, Qishan Zheng, Yongguang Yuan, Yue Fu, Wanwen Shao, Yujie Li, Xiaofeng Lin, Qianying Gao
Purpose: To evaluate the retinal vessel oxygen saturation in central serous chorioretinopathy (CSC) cases among the Chinese. Methods: Relative oxygen saturation of retinal blood vessels was measured in 33 Chinese patients with single-eye CSC using the Oxymap T1 retinal oximeter. The contralateral eyes were the control. The mean saturation of the retinal arteriole (AS) and venule (VS), arteriovenous difference (AVS), and arteriole and venule diameters (AD, VD) was analyzed in the optic disc area and macular region...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/29229797/capturing-the-flow-beneath-water-waves
#8
REVIEW
A Nachbin, R Ribeiro-Junior
Recently, the authors presented two numerical studies for capturing the flow structure beneath water waves (Nachbin and Ribeiro-Junior 2014 Disc. Cont. Dyn. Syst. A34, 3135-3153 (doi:10.3934/dcds.2014.34.3135); Ribeiro-Junior et al. 2017 J. Fluid Mech.812, 792-814 (doi:10.1017/jfm.2016.820)). Closed orbits for irrotational waves with an opposing current and stagnation points for rotational waves were some of the issues addressed. This paper summarizes the numerical strategies adopted for capturing the flow beneath irrotational and rotational water waves...
January 28, 2018: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/29229402/full-field-strain-distribution-in-multi-vertebra-spine-segments-an-in-vitro-application-of-digital-image-correlation
#9
Marco Palanca, Miguel Marco, Maria Luisa Ruspi, Luca Cristofolini
The biomechanics of the spine is experimentally assessed in terms of range of motion and overall stiffness. Quantification of the surface strain distribution is currently limited either to the vertebrae or the discs, whereas a full-field approach to measure the strain distribution in a multi-vertebra segment is currently missing. The aim of this work was to explore the feasibility of using Digital Image Correlation (DIC) to measure the strain distribution simultaneously on the vertebral bodies and the intervertebral discs of spine segments in different loading configurations...
December 8, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/29229210/prevalence-and-characteristics-of-chronic-pain-experience-of-niger
#10
Hamid Assadeck, Moussa Toudou Daouda, Fatimata Hassane Djibo, Djibo Douma Maiga, Eric Adehossi Omar
INTRODUCTION: Chronic pain is a major health problem, considered as a disease in its own right. The prevalence of chronic pain is estimated to be between 2% and 40% in adult populations. In Niger, there are no data on chronic pain. AIMS: This study was designed to provide the demographic, clinical and etiological profile of chronic pain in patients from Niger in order to create a database on chronic pain in Niger. PATIENTS AND METHODS: Our study is prospectively conducted at the department of external consultation of the Hôpital National de Niamey over a period of 10 months from 31 May 2016 to 30 January 2017 collecting all cases of chronic pain...
October 2017: Scandinavian Journal of Pain
https://www.readbyqxmd.com/read/29227519/pediatric-poisoning-by-ingestion-developmental-overview-and-synopsis-of-national-trends
#11
Vincent R Lee, Michael Connolly, Diane P Calello
The American Association of Poison Control Centers' National Poison Data Surveillance System provides real-time toxico-surveillance and epidemiologic trends, and pediatric ingestions comprise most of those reports. The sequences in social and physical developmental milestones from young childhood to adolescence reveal the vulnerability of these age groups to a wide variety of potential poisonous ingestions. Most pediatric ingestions are exploratory. Some common agents associated with pediatric fatalities include disc batteries, laundry detergent "pods," opioid analgesics, acetaminophen, benzodiazepines, and amphetamines...
December 1, 2017: Pediatric Annals
https://www.readbyqxmd.com/read/29226132/effective-range-of-percutaneous-posterior-full-endoscopic-paramedian-cervical-disc-herniation-discectomy-and-indications-for-patient-selection
#12
Hongquan Wen, Xin Wang, Wenbo Liao, Weijun Kong, Jianpu Qin, Xing Chen, Hai Lv, Thor Friis
The objective was to investigate the effective and safe range of paramedian CDH by percutaneous posterior full-endoscopy cervical intervertebral disc nucleus pulposus resection (PPFECD) to provide a reference for indications and patient selection. Sixteen patients with CDH satisfied the inclusion criteria. Before surgery the patients underwent cervical spine MRI, and the distance between the dural sac and herniated disc was measured. An assessment was performed by MRI immediately after surgery, measuring the distance between dural sac and medial border of discectomy (DSMD)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29225767/pink-cricket-balls-through-rose-tinted-glasses-enhancing-interceptive-timing
#13
Joshua M Adie, Derek H Arnold
Cricket is a popular but potentially dangerous sport. It is played with a hard ball that can travel at great speeds. Serious injuries, including fatalities, have occurred when balls have struck participants. The game is traditionally played during daylight with a dark red ball, but recent games have been played during the day and at night using a 'pink' ball. We have reported data that seemed to justify concerns raised regarding the visibility of these new pink balls, as they were revealed to have a very low luminance contrast against pertinent backgrounds during twilight...
November 2017: I-Perception
https://www.readbyqxmd.com/read/29225662/increased-accuracy-of-starch-granule-type-quantification-using-mixture-distributions
#14
Emi Tanaka, Jean-Phillippe F Ral, Sean Li, Raj Gaire, Colin R Cavanagh, Brian R Cullis, Alex Whan
Background: The proportion of granule types in wheat starch is an important characteristic that can affect its functionality. It is widely accepted that granule types are either large, disc-shaped A-type granules or small, spherical B-type granules. Additionally, there are some reports of the tiny C-type granules. The differences between these granule types are due to its carbohydrate composition and crystallinity which is highly, but not perfectly, correlated with the granule size. A majority of the studies that have considered granule types analyse them based on a size threshold rather than chemical composition...
2017: Plant Methods
https://www.readbyqxmd.com/read/29225501/the-grasshopper-problem
#15
Olga Goulko, Adrian Kent
We introduce and physically motivate the following problem in geometric combinatorics, originally inspired by analysing Bell inequalities. A grasshopper lands at a random point on a planar lawn of area 1. It then jumps once, a fixed distance d, in a random direction. What shape should the lawn be to maximize the chance that the grasshopper remains on the lawn after jumping? We show that, perhaps surprisingly, a disc-shaped lawn is not optimal for any d>0. We investigate further by introducing a spin model whose ground state corresponds to the solution of a discrete version of the grasshopper problem...
November 2017: Proceedings. Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/29225477/molecular-evaluation-of-colistin-resistant-gene-expression-changes-in-acinetobacter-baumannii-with-real-time-polymerase-chain-reaction
#16
Shahriar Sepahvand, Mohammad Ali Davarpanah, Amir Roudgari, Abbas Bahador, Vajihe Karbasizade, Zahra Kargar Jahromi
Background: Acinetobacter baumannii is an important human pathogen which has recently gained increased attention due to the occurrence of drug-resistant nosocomial infections in patients suffering from immune system disorders, and those in hospital intensive care units. The aim of this research was to identify and isolate A. baumannii strains resistant to colistin, determine antibiotic resistance pattern of this bacteria, investigate the presence of colistin-resistant genes, and finally assess the effect of expression changes in pmrA and pmrB genes resistant to A...
2017: Infection and Drug Resistance
https://www.readbyqxmd.com/read/29225413/outbreak-of-hospital-infection-from-biofilm-embedded-pan-drug-resistant-pseudomonas-aeroginosa-due-to-a-contaminated-bronchoscope
#17
Nader Alipour, Alper Karagoz, Abbas Taner, Nasrin Gaeini, Nastaran Alipour, Hassan Zeytin, Fatih Yildiz, Riza Durmaz
Background: Colistin-resistant Pseudomonas aeruginosa (P. aeruginosa) has been defined as pandrug-resistant (PDR) strain. Outbreaks of PDR P. aeruginosa especially in pulmonary tract infections due to contaminated bronchoscopes have rarely been reported. The emergence of pandrug-resistant strains in both CF (Cystic Fibrosis) and non-CF clinical isolates over recent years remains of a great concern. Hospital wards contaminated with PDR P. aeruginosa infection, must be shot down until their eradication...
2017: Tap Chi y Hoc du Phong, Journal of Preventive Medicine / Hoi y Hoc du Phong Viet Nam
https://www.readbyqxmd.com/read/29225361/comparison-of-shaping-ability-of-10-rotary-and-reciprocating-systems-an-in-vitro-study-with-autocad
#18
Jorge Rubio, José Ignacio Zarzosa, Antonio Pallarés
Objective: The aim of this study was to compare the cutting are, root canal anatomy preservation and non-instrumented areas of F360®, F6-SkyTaper®, Hyflex-EDM®, iRACE®, Neoniti®, O.Shape®, P.Next®, Reciproc®, Revo-S® and Wave-One-Gold® size 25 files. Materials and Methods: 300 teeth with a single straight root and a circular or elliptical root canal were divided into 10 groups (1-F360®, 2- F6-SkyTaper®, 3-Hyflex-EDM®, 4-iRACE®, 5-Neoniti®, 6-O.Shape®, 7-P...
September 2017: Acta Stomatologica Croatica
https://www.readbyqxmd.com/read/29225115/thoracic-disc-herniation-surgical-treatment
#19
REVIEW
C Court, E Mansour, C Bouthors
Thoracic disc herniation is rare and mainly occurs between T8 and L1. The herniation is calcified in 40% of cases and is labelled as giant when it occupies more than 40% of the spinal canal.A surgical procedure is indicated when the patient has severe back pain, stubborn intercostal neuralgia or neurological deficits. Selection of the surgical approach is essential. Midline calcified hernias are approached from a transthoracic incision, while lateralized soft hernias can be approached from a posterolateral incision...
December 7, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29224267/-clinical-outcomes-of-cervical-disc-herniation-treated-by-posterior-percutaneous-endoscopic-cervical-discectomy
#20
B L Chen, Y J Li, Y P Lin, Y X Du, S Zhao, G Y Su
Objective: To evaluate the clinical outcomes of posterior percutaneous endoscopic cervical discectomy (PPECD) for cervical disc herniation. Methods: A total of 23 patients who underwent PPECD for cervical disc herniation at Department of Spine Surgery, Guangdong Provincial Hospital of Chinese Medicine from August 2014 to April 2016 were reviewed. The mean age of the 17 males and 6 females was 49.5 years (range from 31 to 61 years). All patients had unilateral upper limb radiating symptoms, 13 patients with right upper limb radiating pain and 10 patients with left upper limb radiation pain, 17 patients with neck pain symptoms...
December 1, 2017: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
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