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https://www.readbyqxmd.com/read/28437687/use-of-tourmaline-as-a-potential-petrogenetic-indicator-in-the-determination-of-host-magma-crs-xrd-and-ped-xrf-methods
#1
Bahattin Gullu, Yusuf Kagan Kadioglu
Tourmaline defines a group of complex borosilicate forms as accessory mineral in igneous and metamorphic rocks and they act an important role in the interpretation of the chemical composition changes of the composition of the host fluid of the magma. The variety of tourmaline can be identified by using optical microscopy, X-Ray Diffraction (XRD) and by determining its chemical composition through Polarized Energy Dispersive X-Ray Fluorescence (PED-XRF) methods. However, microscopic investigations and XRD analyses are not quite adequate for detailed determination of tourmaline sub-groups...
April 19, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28437196/surgical-site-infection-and-colorectal-surgical-procedures-a-prospective-analysis-of-risk-factors
#2
E Carter Paulson, Earl Thompson, Najjia Mahmoud
BACKGROUND: Colorectal surgical procedures (CRS) are associated with the highest surgical site infection (SSI) rate among elective operations. A wide range of patient and surgical characteristics have been identified as risk factors for SSI. Most studies are limited by reliance on retrospective data or subset analysis of data that includes CRS. This study reflects analysis of SSI risk factors using prospectively collected data in an elective CRS population. PATIENTS AND METHODS: We analyzed data prospectively collected as part of a randomized, blinded trial of skin anti-sepsis in elective CRS to identify risk factors associated with SSI, including superficial or deep SSI or cellulitis within 30 days post-discharge...
February 22, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28436580/pulmonary-function-and-outcomes-in-infants-randomized-to-a-rescue-course-of-antenatal-steroids
#3
Cindy McEvoy, Diane Schilling, Patricia Spitale, Jean O'Malley, Susan Bowling, Manuel Durand
BACKGROUND/OBJECTIVE: Our objective was to obtain follow-up pulmonary function testing and assessment of clinical respiratory outcomes, at 1-2 years, in preterm infants whose mothers were randomized to a single rescue course of antenatal steroids (AS) versus placebo. METHODS: Follow-up of a randomized, double-blinded trial. In the original trial pregnant women ≥14 days after initial course of AS were randomized to rescue AS or placebo. Pulmonary function testing and a standardized respiratory questionnaire were obtained at 1-2 years of corrected age...
April 24, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28434164/microglia-loss-contributes-to-the-development-of-major-depression-induced-by-different-types-of-chronic-stresses
#4
Lijuan Tong, Yu Gong, Peng Wang, Wenfeng Hu, Jili Wang, Zhuo Chen, Wei Zhang, Chao Huang
Recently, the loss and dystrophy of hippocampal microglia induced by chronic unpredictable stress (CUS) has been reported to mediate the development of major depression in mice whose microglial cells were labeled with enhanced green fluorescent protein-conjuncted-CX3C receptor type 1. However, whether this happens in endogenous microglia with no genetic intervention remains unclear. Here, we addressed this issue in mice treated with different types of chronic stresses, including the CUS, chronic restraint stress (CRS) and chronic social defeat stress (CSDS)...
April 22, 2017: Neurochemical Research
https://www.readbyqxmd.com/read/28434016/chronic-rhinosinusitis-and-mood-disturbance
#5
S E Erskine, C Hopkins, A Clark, S Anari, A Robertson, S Sunkaraneni, J A Wilson, J Beezhold, C M Philpott
BACKGROUND: This study is part of the Chronic Rhinosinusitis Epidemiology Study (CRES). The overarching aim is to determine factors that influence the onset and severity of chronic rhinosinusitis (CRS). The aim of this analysis is to determine whether those with CRS are more likely to report psychiatric morbidity and in particular mood disturbance compared with healthy controls. METHODS: CRES consists of a study-specific questionnaire regarding demographic and socioeconomic factors and past medical history as well as a nasal symptom score (SNOT-22) and SF-36 (QoL - quality of life tool)...
April 23, 2017: Rhinology
https://www.readbyqxmd.com/read/28434015/low-lymphatic-vessel-density-associates-with-chronic-rhinosinusitis-with-nasal-polyps
#6
A Luukkainen, M Seppälä, J Renkonen, R Renkonen, J Hagström, H Huhtala, M Rautiainen, J Myller, T Paavonen, A Ranta, T Torkkeli, S Toppila-Salmi
OBJECTIVES: Chronic rhinosinusitis with and without nasal polyps (CRSwNP and CRSsNP) and antrochoanal polyps (ACP) are different upper airway inflammation phenotypes with different pathomechanisms. In order to understand the development of tissue edema, the present study aimed to evaluate lymphatic vessel density in CRSsNP, CRSwNP and ACP. MATERIALS AND METHODS: 120 retrospective nasal and maxillary sinus specimens were stained immunohistochemically with a von Willebrand factor polyclonal antibody recognizing vascular and lymphatic endothelium, and with a podoplanin monoclonal antibody recognizing lymphatic endothelium...
April 23, 2017: Rhinology
https://www.readbyqxmd.com/read/28433550/evaluation-of-a-telephone-delivered-community-based-collaborative-care-management-program-for-caregivers-of-older-adults-with-dementia
#7
Shahrzad Mavandadi, Laura O Wray, Suzanne DiFilippo, Joel Streim, David Oslin
OBJECTIVES: To evaluate whether a community-based, telephone-delivered, brief patient/caregiver-centered collaborative dementia care management intervention is associated with improved caregiver and care recipient (CR) outcomes. DESIGN: Longitudinal program evaluation of a clinical intervention; assessments at baseline and 3- and 6-month follow-up. SETTING: General community. PARTICIPANTS: Caregivers (N = 440) of older, community-dwelling, low-income CRs prescribed a psychotropic medication by a primary care provider who met criteria for dementia and were enrolled in the SUpporting Seniors Receiving Treatment And INtervention (SUSTAIN) program for older adults...
March 27, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28431374/atmospheric-fallout-radionuclides-in-peatland-from-southern-poland
#8
Tomasz Mróz, Edyta Łokas, Justyna Kocurek, Michał Gąsiorek
Two peat profiles were collected in a peat bog located in Southern Poland and their geochronology were determined using (210)Pb, (238,239+240)Pu and (137)Cs radiometric techniques. The (210)Pb chronologies were established using the constant rate of supply model (CRS) and are in good agreement with the Pu isotopes and (137)Cs time markers. Maximum activities of Pu isotopes were found at a depth corresponding to the early 1960s, which is the period characterized by the maximum nuclear weapon tests. The results showed that the (210)Pb method is the most accurate technique for the determination age and accumulation rate of a peat...
April 18, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28429467/conditional-random-slope-a-new-approach-for-estimating-individual-child-growth-velocity-in-epidemiological-research
#9
Michael Leung, Diego G Bassani, Amy Racine-Poon, Anna Goldenberg, Syed Asad Ali, Gagandeep Kang, Prasanna S Premkumar, Daniel E Roth
OBJECTIVES: Conditioning child growth measures on baseline accounts for regression to the mean (RTM). Here, we present the "conditional random slope" (CRS) model, based on a linear-mixed effects model that incorporates a baseline-time interaction term that can accommodate multiple data points for a child while also directly accounting for RTM. METHODS: In two birth cohorts, we applied five approaches to estimate child growth velocities from 0 to 12 months to assess the effect of increasing data density (number of measures per child) on the magnitude of RTM of unconditional estimates, and the correlation and concordance between the CRS and four alternative metrics...
April 21, 2017: American Journal of Human Biology: the Official Journal of the Human Biology Council
https://www.readbyqxmd.com/read/28429305/the-role-of-macrolides-in-chronic-rhinosinusitis-crssnp-and-crswnp
#10
REVIEW
Gretchen M Oakley, Richard J Harvey, Valerie J Lund
PURPOSE OF REVIEW: We assess the literature on the pharmacokinetics, indications, important considerations, and effectiveness of long-term, low-dose macrolide antibiotics in chronic rhinosinusitis (CRS). RECENT FINDINGS: The key to effective implementation of macrolide therapy in CRS is appropriate patient selection. Macrolides have demonstrated the most benefit in Th1-mediated non-eosinophilic CRS when used for durations of at least 3 months. Macrolide antibiotics have demonstrated great benefit when used for their anti-inflammatory or immunomodulatory properties, which include the blockage of pro-inflammatory cytokines, such as interleukin (IL)-8 and tumor necrosis factor-α (TNF-α)...
May 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28423776/application-of-correspondence-analysis-to-graphically-investigate-associations-between-foods-and-eating-locations
#11
Andrew N Chapman, Eric J Beh, Luigi Palla
This paper presents the application of correspondence analysis (CA) for investigating associations using confidence regions (CRs) with a focus on facilitating mining the data and hypothesis generation. We study the relationship between locations and "less-healthy" food consumption by UK teenagers. CA allows for a quick visual inspection of the various association structures that exist between the categories of cross-classified variables in large datasets derived with varying study designs. The hypotheses generated by the visual display can then be independently tested using suitable regression models...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28422373/longitudinal-recovery-of-local-neuronal-activity-and-consciousness-level-in-acquired-brain-injury
#12
Qihong Zou, Xuehai Wu, Jin Hu, Weijun Tang, Ying Mao, Jianhong Zhu, Lu Lu, Yao Zhang, Jia-Hong Gao
Decreased brain activity in the default mode network, particularly in the precuneus (PCU), has been consistently shown in acquired brain injury (ABI) patients. However, it is unclear whether resting-state brain activity recovers longitudinally in ABI patients and whether functional activity restoration is associated with improvements in consciousness level. Here, resting-state fMRI data were acquired from 23 ABI patients and 30 age- and gender-matched controls with two longitudinal observations for each participant...
April 19, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28421180/usability-evaluations-of-a-wearable-inertial-sensing-system-and-quality-of-movement-metrics-for-stroke-survivors-by-care-professionals
#13
Bart Klaassen, Bert-Jan F van Beijnum, Jeremia P Held, Jasper Reenalda, Fokke B van Meulen, Peter H Veltink, Hermie J Hermens
BACKGROUND: Inertial motion capture systems are used in many applications such as measuring the movement quality in stroke survivors. The absence of clinical effectiveness and usability evidence in these assistive technologies into rehabilitation has delayed the transition of research into clinical practice. Recently, a new inertial motion capture system was developed in a project, called INTERACTION, to objectively measure the quality of movement (QoM) in stroke survivors during daily-life activity...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/28420875/down-regulation-of-cholinergic-signaling-in-the-habenula-induces-anhedonia-like-behavior
#14
Seungrie Han, Soo Hyun Yang, Jin Yong Kim, Seojung Mo, Esther Yang, Ki Myung Song, Byung-Joo Ham, Naguib Mechawar, Gustavo Turecki, Hyun Woo Lee, Hyun Kim
Dysfunction of cholinergic signaling in the brain has long been believed to be associated with depressive disorders. However, the functional impact of habenular cholinergic signaling on the specified depressive behaviors is not well understood. Here, we demonstrated that the expression levels of cholinergic signaling genes (CHAT, VACHT, CHT, CHRNA3, CHRNB3 and CHRNB4) were down-regulated in a chronic restraint stress (CRS) rat model of depression, in which rats display depression-like behaviors such as anhedonia and mood despair...
April 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28420238/the-role-of-ti-buffer-layer-thickness-on-the-resistive-switching-properties-of-hafnium-oxide-based-resistive-switching-memories
#15
Sk Ziaur Rahaman, Yu-De Lin, Heng-Yuan Lee, Yu-Sheng Chen, Pang-Shiu Chen, Wei-Su Chen, Chien-Hua Hsu, Kan-Hsueh Tsai, Ming-Jinn Tsai, Pei-Hua Wang
Ti/HfOx ‒based resistive random access memory (RRAM) has been extensively investigated as one of the emerging nonvolatile memory (NVM) candidates due to its excellent memory performance and CMOS process compatibility. Although the importance of the role of the Ti buffer layer is well recognized, the detailed understanding about Ti thickness dependent asymmetric switching nature is still missing. To realize this, the present work addresses the effects of the Ti buffer layer thickness on the switching properties of the TiN/Ti/HfOx/TiN 1T1R RRAM...
April 18, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28419613/peg-poly-l-lysine-based-polymeric-micelle-mri-contrast-agent-feasibility-study-of-a-gd-micelle-contrast-agent-for-mr-lymphography
#16
Hiroyuki Akai, Kouichi Shiraishi, Masayuki Yokoyama, Koichiro Yasaka, Masanori Nojima, Yusuke Inoue, Osamu Abe, Kuni Ohtomo, Shigeru Kiryu
PURPOSE: To investigate the feasibility of polymeric micelle of poly(ethyleneglycol) (PEG)-b-poly(L-lysine-DOTA) (Gd-micelle) as a contrast agent for magnetic resonance lymphography (MRL). MATERIALS AND METHODS: Twenty-four female BALB/c mice were randomly divided into four groups of six mice each. Among them, mice of two groups were injected of complete Freund's adjuvant to obtain inflamed lymph nodes. We subcutaneously injected 0.5 μmol Gd per mouse of Gd-micelle or gadofluorine P in the right rear footpad...
April 17, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/28419128/cytoskeletal-stability-and-metabolic-alterations-in-primary-human-macrophages-in-long-term-microgravity
#17
Svantje Tauber, Beatrice A Lauber, Katrin Paulsen, Liliana E Layer, Martin Lehmann, Swantje Hauschild, Naomi R Shepherd, Jennifer Polzer, Jürgen Segerer, Cora S Thiel, Oliver Ullrich
The immune system is one of the most affected systems of the human body during space flight. The cells of the immune system are exceptionally sensitive to microgravity. Thus, serious concerns arise, whether space flight associated weakening of the immune system ultimately precludes the expansion of human presence beyond the Earth's orbit. For human space flight, it is an urgent need to understand the cellular and molecular mechanisms by which altered gravity influences and changes the functions of immune cells...
2017: PloS One
https://www.readbyqxmd.com/read/28415999/feasibility-and-effectiveness-of-a-telephone-based-social-support-intervention-for-informal-caregivers-of-people-with-dementia-study-protocol-of-the-talking-time-project
#18
Martin Berwig, Martin Nikolaus Dichter, Bernd Albers, Katharina Wermke, Diana Trutschel, Swantje Seismann-Petersen, Margareta Halek
BACKGROUND: Caring for people with dementia at home requires a significant amount of time, organization, and commitment. Therefore, informal caregivers, mainly relatives, of people with dementia often feel a high burden. Although on-site support groups are known to have positive effects on the subjective well-being (SWB) and perceived social support of informal caregivers, there are cases in which relatives have either no time or no opportunity to leave the person alone or in which there are no support groups nearby...
April 17, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28415645/peritoneal-carcinomatosis-limits-of-diagnosis-and-the-case-for-liquid-biopsy
#19
REVIEW
James R W McMullen, Matthew Selleck, Nathan R Wall, Maheswari Senthil
Peritoneal Carcinomatosis (PC) is a late stage manifestation of several gastrointestinal malignancies including appendiceal, colorectal, and gastric cancer. In PC, tumors metastasize to and deposit on the peritoneal surface and often leave patients with only palliative treatment options. For colorectal PC, median survival is approximately five months, and palliative systemic therapy is able to extend this to approximately 12 months. However, cytoreductive surgery with hyperthermic intraperitoneal chemotherapy (CRS/HIPEC) with a curative intent is possible in some patients with limited tumor burden...
March 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28413783/two-single-nucleotide-polymorphisms-sites-in-%C3%AE-1-at-gene-and-their-association-with-somatic-cell-score-in-chinese-holstein-cows
#20
Xiao-Fei Guo, Wen-Ping Hu, Xian-Zheng Lang, Qiu-Ling Li, Xiang-Yu Wang, Ran Di, Qiu-Yue Liu, Xiao-Lin Liu, Yong-Fu An, Ming-Xing Chu
BACKGROUND: Alpha 1-antitrypsin (α1-AT) may affect the susceptibility of mastitis in dairy cattle for its possible role in the protection of lactoferrin from proteolytic degradation in the mammary. Milk somatic cell score (SCS) is a logarithmic transformation of the milk somatic cell count widely used as an index to evaluate mastitis. To study the relationships of α1-AT gene and SCS in Chinese Holstein cows, methods of PCR-SSCP, DNA sequencing, PCR-RFLP, and CRS-PCR technologies were used to detect single nucleotide polymorphisms sites in α1-AT gene...
December 2017: Journal of Biological Research
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