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https://www.readbyqxmd.com/read/30222195/detection-of-t-forsythia-and-other-important-bacteria-in-crestal-and-subcrestal-implants-with-ligature-induced-peri-implant-infection-in-dogs
#1
Bin Zhu, Huanxin Meng, Baoxin Huang, ZhiBin Chen, Ruifang Lu
BACKGROUND: The study was designed to compare peri-implant microbial colonization of inflamed implants placed at different levels in dogs. METHODS: Two screwed-in (SI) and two tapped-in (TI) conical connection implants were placed on each side of mandibles in six dogs respectively. Four experimental groups were constituted according to implant types and placement depth in one side: SI crestally (SIC), SI 1.5 mm subcrestally (SIS), TI crestally (TIC), and TI 1.5 mm subcrestally (TIS)...
September 17, 2018: Journal of Periodontology
https://www.readbyqxmd.com/read/30221833/effect-of-leg-immersion-in-mild-warm-carbonated-water-on-skin-and-muscle-blood-flow
#2
Shigehiko Ogoh, Takuro Washio, Kazuya Suzuki, Keisuke Ikeda, Takaaki Hori, Niels D Olesen, Yoshiho Muraoka
Leg immersion in carbonated water improves endothelial-mediated vasodilator function and decreases arterial stiffness but the mechanism underlying this effect remains poorly defined. We hypothesized that carbonated water immersion increases muscle blood flow. To test this hypothesis, 10 men (age 21 ± 0 years; mean ± SD) underwent lower leg immersion in tap or carbonated water at 38°C. We evaluated gastrocnemius muscle oxyhemoglobin concentration and tissue oxygenation index using near-infrared spectroscopy, skin blood flow by laser Doppler flowmetry, and popliteal artery (PA) blood flow by duplex ultrasound...
September 2018: Physiological Reports
https://www.readbyqxmd.com/read/30219975/microwave-assisted-synthesis-of-thymine-functionalized-graphitic-carbon-nitride-quantum-dots-as-a-fluorescent-nanoprobe-for-mercury-ii
#3
Ojodomo J Achadu, Neerish Revaprasadu
A microwave-assisted hydrothermal method was employed to prepare thymine-modified graphitic carbon nitride quantum dots (T-gCNQDs) which are shown to be a novel fluorescent nanoprobe for Hg(II). They exhibit excellent optical properties (blue emission with a fluorescence quantum yield of 46%) and water solubility. The incorporation of thymine into the gCNQDs results in an enhancement in photoluminescence properties. It is found that fluorescence, best measured at excitation/emission wavelengths of 350/445 nm, is much more strongly quenched by Hg(II) compared to the thymine-free nanoprobe...
September 15, 2018: Mikrochimica Acta
https://www.readbyqxmd.com/read/30219624/cognitive-and-upper-limb-symptom-changes-from-a-tap-test-in-idiopathic-normal-pressure-hydrocephalus
#4
Ryan M Gallagher, Jodie Marquez, Peter Osmotherly
OBJECTIVES: To determine which cognitive and upper limb assessments can identify change in patients undergoing a Cerebrospinal fluid (CSF) tap test (TT) diagnosed with idiopathic Normal Pressure Hydrocephalus (iNPH). PATIENTS AND METHODS: Prospective observational study of 74 iNPH patients undergoing a CSF TT for consideration of a ventricular peritoneal shunt. Patients who were offered surgical intervention were classified as responders. Patients were assessed with a battery of cognitive and upper limb assessments prior to and following a CSF TT...
September 10, 2018: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/30218202/a-new-combination-for-the-determination-of-ultratrace-cadmium-solid-phase-microextraction-by-stearic-acid-coated-magnetic-nanoparticles-prior-to-batch-type-hydride-generation-atomic-absorption-spectrometry
#5
Nursu Aylin Kasa, Erhan Akkaya, Buse Tuğba Zaman, Gülten Çetin, Sezgin Bakirdere
Solid-phase microextraction method based on stearic acid-coated magnetic nanoparticle has been combined with batch-type hydride generation atomic absorption spectrometry (BT-HGAAS) system to determine cadmium at ultratrace levels. After the adsorption of cadmium ions onto stearic acid-coated magnetic nanoparticles, they were easily separated from the aqueous phase by means of a magnet. All the instrumental and experimental parameters such as pH of buffer solution, interaction period, concentration, and volume of NaBH4 were optimized...
September 14, 2018: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/30217674/tomas-revisiting-parp-inhibitor-combination-therapy
#6
Benjamin A Nacev, William D Tap
No abstract text is available yet for this article.
September 11, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/30217150/effects-of-transcranial-focused-ultrasound-on-human-primary-motor-cortex-using-7t-fmri-a-pilot-study
#7
Leo Ai, Priya Bansal, Jerel K Mueller, Wynn Legon
BACKGROUND: Transcranial focused ultrasound (tFUS) is a new non-invasive neuromodulation technique that uses mechanical energy to modulate neuronal excitability with high spatial precision. tFUS has been shown to be capable of modulating EEG brain activity in humans that is spatially restricted, and here, we use 7T MRI to extend these findings. We test the effect of tFUS on 7T BOLD fMRI signals from individual finger representations in the human primary motor cortex (M1) and connected cortical motor regions...
September 14, 2018: BMC Neuroscience
https://www.readbyqxmd.com/read/30215460/the-analgesic-efficiency-of-transversus-abdominis-plane-tap-block-after-caesarean-delivery
#8
Anna Kupiec, Jacek Zwierzchowski, Joanna Kowal-Janicka, Waldemar Goździk, Tomasz Fuchs, Michał Pomorski, Mariusz Zimmer, Andrzej Kübler
OBJECTIVES: The ultrasound-guided transversus abdominis plane (TAP) block is a supporting method of pain relief after different types of surgical and gynecological procedures. The aim of the present study was to evaluate the analgesic effects of the TAP-block in patients undergoing caesarean section. MATERIAL AND METHODS: 88 women undergoing elective caesarean section under spinal anaesthesia were prospectively randomized into two groups. In the first group, an ultrasound-guided bilateral TAP block was performed using 40 mL 0...
2018: Ginekologia Polska
https://www.readbyqxmd.com/read/30215098/genetics-of-antigen-processing-and-presentation
#9
REVIEW
Adrian Kelly, John Trowsdale
Immune response to disease requires coordinated expression of an army of molecules. The highly polymorphic MHC class I and class II molecules are key to control of specificity of antigen presentation. Processing of the antigen, to peptides or other moieties, requires other sets of molecules. For classical class I, this includes TAP peptide transporters, proteasome components and Tapasin, genes which are encoded within the MHC. Similarly, HLA-DO and -DM, which influence presentation by HLA class II molecules, are encoded in the MHC region...
September 13, 2018: Immunogenetics
https://www.readbyqxmd.com/read/30215019/mirror-movements-or-functional-tremor-masking-organic-tremor
#10
S H Merchant, D Haubenberger, M Hallett
Background: Functional tremors can be diagnosed based on clinical and physiologic criteria such as entrainment, suggestibility, distractibility, variable nature with the associated clinical history of psychosomatic co-morbidities. The current case report highlights the underrecognized utility of neurophysiology in the correct diagnosis of tremors, providing useful clinical and neurophysiologic insights into clinical and physiological assessment of tremors. Case report: A 62-year-old woman with a past medical history of polio was referred by a movement disorders neurologist for evaluation of tremor with concerns of a likely functional etiology...
2018: Clinical Neurophysiology Practice
https://www.readbyqxmd.com/read/30214998/standardization-of-the-jendrassik-maneuver-in-achilles-tendon-tap-reflex
#11
Lale A Ertuglu, Ilhan Karacan, Gizem Yilmaz, Kemal S Türker
Objective: For many decades, the Jendrassik maneuver (JM) has been used as a reinforcement for stretch reflexes, although the underlying mechanism of this reinforcement is still not fully understood. Moreover, the term JM has been used for many different muscle contraction strategies as there is no fixed movement for the maneuver in the literature. In this study, we aimed to investigate the effects of clenched hand pull, teeth clenching, and their combined effects to reach standardization...
2018: Clinical Neurophysiology Practice
https://www.readbyqxmd.com/read/30214436/global-environmental-nontuberculous-mycobacteria-and-their-contemporaneous-man-made-and-natural-niches
#12
REVIEW
Jennifer Honda, Ravleen Virdi, Edward D Chan
Seminal microbiological work of environmental nontuberculous mycobacteria (NTM) includes the discovery that NTM inhabit water distribution systems and soil, and that the species of NTM found are geographically diverse. It is likely that patients acquire their infections from repeated exposures to their environments, based on the well-accepted paradigm that water and soil bioaerosols - enriched for NTM - can be inhaled into the lungs. Support comes from reports demonstrating NTM isolated from the lungs of patients are genetically identical to NTM found in their environment...
2018: Frontiers in Microbiology
https://www.readbyqxmd.com/read/30213622/effects-of-agomelatine-on-electrocorticogram-activity-on-pencillin-induced-epilepsy-model-of-rats
#13
M S Ethemoglu, S Kutlu, F B Seker, C S Erdogan, C A Bingol, B Yilmaz
Agomelatine is a new antidepressant drug acting as an antagonist of 5-hydroxytryptamine receptor 2C (5-HTR2C ) and agonist of melatonergic receptors 1 and 2 (MT1 and MT2 ). Because of this dual action, it is an atypical antidepressant. The aim of this study was to investigate chronic anticonvulsant effects of agomelatine on penicillin-induced epilepsy model. Adult male Sprague-Dawley rats divided into four groups and were administered with tap water (vehicle), and agomelatine doses of 10 mg/kg, 50 mg/kg and 100 mg/kg for 14 days via oral gavage...
September 10, 2018: Neuroscience Letters
https://www.readbyqxmd.com/read/30213520/restless-legs-syndrome-in-type-2-diabetes-mellitus
#14
Seydahmet Akın, Cem Bölük, Ülkü Türk Börü, Mustafa Taşdemir, Tuğçe Gezer, Fatma Gülhan Şahbaz, Özcan Keskin
AIMS: This study aimed to investigate the prevalence of restless leg syndrome (RLS) in type-2 diabetes mellitus (DM) patients and to determine the risk factors. METHODS: Patients were recruited from the Dr. Lütfi Kırdar Kartal Training and Research Hospital Diabetes Center. Patients between 18-80 years of age and meeting a minimum 5 years diagnosis of type-2 DM were included. All patients were examined by the same neurologist in terms of having RLS. The diagnosis was made according to the updated International Restless Legs Syndrome Study Group consensus criteria...
September 10, 2018: Primary Care Diabetes
https://www.readbyqxmd.com/read/30213209/design-of-ciprofloxacin-loaded-nano-and-microcomposite-particles-for-dry-powder-inhaler-formulations-preparation-invitro-characterization-and-antimicrobial-efficacy
#15
Gizem Rüya Topal, Burcu Devrim, Müjde Eryilmaz, Asuman Bozkir
In this study, ciprofloxacin hydrochloride (CIP)-loaded poly-ε-caprolactone (PCL) nanoparticles were prepared for pulmonary administration. CIP-loaded PCL nanoparticles were prepared by solid-in-oil-in-water (s/o/w) emulsion solvent evaporation method and the effects of various formulation parameters on the physicochemical properties of the nanoparticles were investigated. PCL nanoparticles showed spherical shapes with particle sizes around 143-489 nm. Encapsulation efficiency was found to be very low because of water-solubility properties of CIP...
September 14, 2018: Journal of Microencapsulation
https://www.readbyqxmd.com/read/30213183/robust-micron-sized-silicon-secondary-particles-anchored-by-polyimide-as-high-capacity-high-stability-li-ion-battery-anode
#16
Pui-Kit Lee, Tian Tan, Shuo Wang, Wenpei Kang, Chun-Sing Lee, Denis Yau Wai Yu
Silicon is an attractive high capacity anode material for lithium-ion battery. With the help of nanostructures, cycle performance of silicon anode has improved significantly in the past couple of years. However, three major shortcomings associated with nanostructures still need to be addressed, namely their high surface area, low tap density and poor scalability. Herein, we present a facile and practical method to produce micron-sized Si secondary particle cluster (SiSPC) with high tap density and low surface area from bulk Si by high energy ball-milling...
September 14, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/30212808/formation-of-abstract-task-representations-exploring-dosage-and-mechanisms-of-working-memory-training-effects
#17
Nitzan Shahar, Maayan Pereg, Andrei R Teodorescu, Rani Moran, Anat Karmon-Presser, Nachshon Meiran
Working memory is strongly involved in human reasoning, abstract thinking and decision making. Past studies have shown that working memory training generalizes to untrained working memory tasks with similar structure (near-transfer effect). Here, we focused on two questions: First, we ask how much training might be required in order to find a reliable near-transfer effect? Second, we ask which choice- mechanism might underlie training benefits? Participants were allocated to one of three groups: working-memory training (combined set-shifting and N-back task), active-control (visual search) and no-contact control...
September 10, 2018: Cognition
https://www.readbyqxmd.com/read/30211176/working-dogs-drinking-a-nutrient-enriched-water-maintain-cooler-body-temperature-and-improved-pulse-rate-recovery-after-exercise
#18
Brian M Zanghi, Patrick J Robbins, Meghan T Ramos, Cynthia M Otto
Exercise-related physiological changes were evaluated in hydrated, exercise-conditioned working dogs with free access to tap water (TW) with or without a nutrient-enriched water supplement (NW). Physiological samples and measures were collected before and after work-related field tasks in a warm and moderately humid ambient environment. In a cross-over design study, 12 dogs (age range 8-23 months) were evaluated on 3 separate occasions within each period with exercise bouts up to 30 min, on days -4, 3, and 11...
2018: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/30209327/mindful-breath-awareness-meditation-facilitates-efficiency-gains-in-brain-networks-a-steady-state-visually-evoked-potentials-study
#19
Benjamin Schöne, Thomas Gruber, Sebastian Graetz, Martin Bernhof, Peter Malinowski
The beneficial effects of mindfulness-based therapeutic interventions have stimulated a rapidly growing body of scientific research into underlying psychological processes. Resulting evidence indicates that engaging with mindfulness meditation is associated with increased performance on a range of cognitive tasks. However, the mechanisms promoting these improvements require further investigation. We studied changes in behavioural performance of 34 participants during a multiple object tracking (MOT) task that taps core cognitive processes, namely sustained selective visual attention and spatial working memory...
September 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/30199716/resonance-light-scattering-sensor-of-the-metal-complex-nanoparticles-using-diethyl-dithiocarbamate-doped-graphene-quantum-dots-for-highly-pb-ii-sensitive-detection-in-water-sample
#20
Chayanee Kaewprom, Phitchan Sricharoen, Nunticha Limchoowong, Prawit Nuengmatcha, Saksit Chanthai
This study was aimed to detect Pb2+ using diethyl dithiocarbamate-doped graphene quantum dots (DDTC-GQDs) based pyrolysis of citric acid. The excitation maximum wavelength (λmax, ex = 337 nm) of the DDTC-GQDs solution was blue shift from bare GQDs (λmax, ex = 365 nm), with the same emission maximum wavelength (λmax, em = 459 nm) indicating differences in the desired N, S matrices decorating in the nanoparticles. Their resonance light scattering intensities were peaked at the same λmax , ex/em = 551/553 nm without any background effect of both ionic strength and masking agent...
September 3, 2018: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
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