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https://www.readbyqxmd.com/read/27914288/the-use-of-red-mud-as-an-immobiliser-for-metal-metalloid-contaminated-soil-a-review
#1
REVIEW
Yumei Hua, Kate V Heal, Wolfgang Friesl-Hanl
This review focuses on the applicability of red mud as an amendment for metal/metalloid-contaminated soil. The varying properties of red muds from different sources are presented as they influence the potentially toxic element (PTE) concentration in amended soil. Experiments conducted worldwide from the laboratory to the field scale are screened and the influencing parameters and processes in soils are highlighted. Overall red mud amendment is likely to contribute to lowering the PTE availability in contaminated soil...
November 28, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/27909008/trajectory-of-parvalbumin-cell-impairment-and-loss-of-cortical-inhibition-in-traumatic-brain-injury
#2
Tsung-Hsun Hsieh, Henry Hing Cheong Lee, Mustafa Qadir Hameed, Alvaro Pascual-Leone, Takao K Hensch, Alexander Rotenberg
Many neuropsychiatric symptoms that follow traumatic brain injury (TBI), including mood disorders, sleep disturbance, chronic pain, and posttraumatic epilepsy (PTE) are attributable to compromised cortical inhibition. However, the temporal trajectory of cortical inhibition loss and its underlying mechanisms are not known. Using paired-pulse transcranial magnetic stimulation (ppTMS) and immunohistochemistry, we tracked functional and cellular changes of cortical inhibitory network elements after fluid-percussion injury (FPI) in rats...
November 30, 2016: Cerebral Cortex
https://www.readbyqxmd.com/read/27904854/legal-issues-related-to-postoperative-pulmonary-thromboembolism-in-korea
#3
Bo Young Park, Min Ji Kim, So Ra Kang, Seung Eun Hong
PURPOSE: Currently, development of pulmonary thromboembolism (PTE) after surgery is frequently being followed by legal action in Korea, as consequences may be fatal. In the current study, we assessed possible countermeasures that medical teams can take when faced with conflicting opinions on responsibility for PTE. METHODS: A retrospective analysis of claims handled by the Supreme Court and subordinate courts, from 1999 to 2015, was performed. We analyzed the type of procedure, associated complications, and critical legal points from the recorded judgments along with any liability limitations on surgeons...
December 2016: Annals of Surgical Treatment and Research
https://www.readbyqxmd.com/read/27884181/prevalence-type-and-correlates-of-trauma-exposure-among-adolescent-men-and-women-in-soweto-south-africa-implications-for-hiv-prevention
#4
Kalysha Closson, Janan Janine Dietrich, Busi Nkala, Addy Musuku, Zishan Cui, Jason Chia, Glenda Gray, Nathan J Lachowsky, Robert S Hogg, Cari L Miller, Angela Kaida
BACKGROUND: Youth trauma exposure is associated with syndemic HIV risk. We measured lifetime prevalence, type, and correlates of trauma experience by gender among adolescents living in the HIV hyper-endemic setting of Soweto, South Africa. METHODS: Using data from the Botsha Bophelo Adolescent Health Survey (BBAHS), prevalence of "ever" experiencing a traumatic event among adolescents (aged 14-19) was assessed using a modified Traumatic Event Screening Inventory-Child (TESI-C) scale (19 items, study alpha = 0...
November 25, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27876415/the-relationship-between-historical-development-and-potentially-toxic-element-concentrations-in-urban-soils
#5
Rebekka McIlwaine, Rory Doherty, Siobhan F Cox, Mark Cave
Increasing urbanisation has a direct impact on soil quality, resulting in elevated concentrations of potentially toxic elements (PTEs) in soils. This research aims to assess if soil PTE concentrations can be used as an 'urbanisation tracer' by investigating geogenic and anthropogenic source contributions and controls, and considering PTE enrichment across historical urban development zones. The UK cities of Belfast and Sheffield are chosen as study areas, where available shallow and deep concentrations of PTEs in soil are compared to identify geogenic and anthropogenic contributions to PTEs...
November 19, 2016: Environmental Pollution
https://www.readbyqxmd.com/read/27875663/cross-reactive-potential-of-hiv-1-subtype-c-infected-indian-individuals-against-multiple-hiv-1-potential-t-cell-epitope-gag-variants
#6
Neema Negi, Madhu Vajpayee, Ravinder Singh, Ashutosh Sharma, Kailapuri G Murugavel, Udaykumar Ranga, Madhuri Thakar, Vishnubhatla Sreenivas, Bimal Kumar Das
Vaccine immunogen with expanded T cell coverage for protection against HIV-1 diversity is the need of the hour. This study was undertaken to examine the ability of T cells to respond to a broad spectrum of potential T cell epitope (PTE) peptides containing variable as well as conserved sequences that would most accurately reflect immune responses to different circulating strains. Set of 320 PTE peptides were pooled in a matrix format that included 40 pools of 32 peptides per pool. These pools were used in interferon-γ enzyme-linked immunospot assay for screening and confirmation of HIV-1 PTE Gag-specific T cell immune responses in 34 HIV-1 seropositive Indian individuals...
November 22, 2016: Viral Immunology
https://www.readbyqxmd.com/read/27869675/pterostilbene-inhibits-human-multiple-myeloma-cells-via-erk1-2-and-jnk-pathway-in-vitro-and-in-vivo
#7
Bingqian Xie, Zhijian Xu, Liangning Hu, Gege Chen, Rong Wei, Guang Yang, Bo Li, Gaomei Chang, Xi Sun, Huiqun Wu, Yong Zhang, Bojie Dai, Yi Tao, Jumei Shi, Weiliang Zhu
Multiple myeloma (MM) is the second most common malignancy in the hematologic system, which is characterized by accumulation of plasma cells in bone marrow. Pterostilbene (PTE) is a natural dimethylated analog of resveratrol, which has anti-oxidant, anti-inflammatory and anti-tumor properties. In the present study, we examined the anti-tumor effect of PTE on MM cell lines both in vitro and in vivo using the cell counting kit (CCK)-8, apoptosis assays, cell cycle analysis, reactive oxygen species (ROS) generation, JC-1 mitochondrial membrane potential assay, Western blotting and tumor xenograft models...
November 17, 2016: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/27858780/prevalence-of-torture-and-other-warrelated-traumatic-events-in-forced-migrants-a-systematic-review
#8
Erika Sigvardsdotter, Marjan Vaez, Ann-Marie Rydholm Hedman, Fredrik Saboonchi
AIM: To describe and appraise the research literature reporting prevalence of torture and/or war-related potentially traumatic experiences (PTEs) in adult forced migrants living in high-income countries. METHODS: A search for peer-reviewed articles in English was conducted in PubMed, Web of Science, PILOTS, key journals, and reference lists. Studies based on clinical samples and samples where less than half of participants were forced migrants were excluded. Data was extracted and a methodological quality appraisal was performed...
2016: Torture: Quarterly Journal on Rehabilitation of Torture Victims and Prevention of Torture
https://www.readbyqxmd.com/read/27857621/how-and-why-study-posttraumatic-epileptogenesis-in-animal-models
#9
Bret N Smith
Traumatic brain injury (TBI) greatly increases the risk of medically intractable epilepsy. Several models of TBI have been developed to investigate the relationship between TBI and posttraumatic epileptogenesis. Because the incident that precipitates development of epilepsy is known, studying mechanisms of epileptogenesis, identifying biomarkers to predict PTE, and developing treatments to prevent epilepsy after TBI are attainable research goals.
November 2016: Epilepsy Currents
https://www.readbyqxmd.com/read/27852365/-the-study-of-growth-differentiation-factor-15-in-chronic-thromboembolic-pulmonary-hypertension-following-acute-pulmonary-thromboembolism
#10
J X Xu, H Z Yu, Q Wu, J Mi
Objective: To evaluate the incidence of chronic thromboembolic pulmonary hypertension (CTEPH) secondary to acute pulmonary thromboembolism (PTE) and the serum level of growth differentiation factor-15(GDF-15). Methods: Ninety-six acute PTE patients were recruited in the study. Clinical data, Wells score, blood gas analysis, D-dimmer level, GDF-15 level, atrial and ventricular sizes, pulmonary arterial systolic pressure (PASP) and pulmonary artery CT (CTPA) data were collected. Patients were followed up to evaluate the cardiac function (WHO class), ultrasonic cardiogram and CTPA to confirm the incidence of CTEPH...
November 12, 2016: Chinese Journal of Tuberculosis and Respiratory Diseases
https://www.readbyqxmd.com/read/27846051/clinical-significance-of-late-phase-of-lung-perfusion-blood-volume-lung-perfusion-blood-volume-quantified-by-dual-energy-computed-tomography-in-patients-with-pulmonary-thromboembolism
#11
Hirofumi Koike, Eijun Sueyoshi, Ichiro Sakamoto, Masataka Uetani
PURPOSE: Using dual-energy computed tomography (DECT), we quantified the lung perfusion blood volume (PBV) in the late phase, which may reflect both the pulmonary artery and systemic collateral flow. We then investigated the clinical significance of late-phase lung PBV values. MATERIALS AND METHODS: We retrospectively studied 206 patients (266 scans) who underwent early-phase and late-phase DECT. The patients were divided into 2 groups depending on whether or not they had pulmonary thromboembolism (PTE) (n=94 and 112)...
November 11, 2016: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/27836870/efficiency-and-productivity-measurement-of-rural-township-hospitals-in-china-a-bootstrapping-data-envelopment-analysis
#12
Zhaohui Cheng, Miao Cai, Hongbing Tao, Zhifei He, Xiaojun Lin, Haifeng Lin, Yuling Zuo
OBJECTIVE: Township hospitals (THs) are important components of the three-tier rural healthcare system of China. However, the efficiency and productivity of THs have been questioned since the healthcare reform was implemented in 2009. The objective of this study is to analyse the efficiency and productivity changes in THs before and after the reform process. SETTING AND PARTICIPANTS: A total of 48 sample THs were selected from the Xiaogan Prefecture in Hubei Province from 2008 to 2014...
November 11, 2016: BMJ Open
https://www.readbyqxmd.com/read/27828519/homogeneous-pcbm-layers-fabricated-by-horizontal-dip-coating-for-efficient-bilayer-heterojunction-organic-photovoltaic-cells
#13
Yoon Ho Huh, In-Gon Bae, Hong Goo Jeon, Byoungchoo Park
We herein report a homogeneous [6,6]-phenyl C<sub>61</sub> butyric acid methyl ester (PCBM) layer, produced by a solution process of horizontal-dipping (H-dipping) to improve the photovoltaic (PV) effects of bilayer heterojunction organic photovoltaic cells (OPVs) based on a bi-stacked poly(3-hexylthiophene) (P3HT) electron donor layer and a PCBM electron acceptor layer (P3HT/PCBM). It was shown that a homogeneous and uniform coating of PCBM layers in the P3HT/PCBM bilayer OPVs resulted in reliable and reproducible device performance...
October 31, 2016: Optics Express
https://www.readbyqxmd.com/read/27813098/four-cases-of-pulmonary-thromboembolism-diagnosed-by-endobronchial-ultrasound
#14
Onur Fevzi Erer, Pinar Cimen, Mehmet Unlu, Nuran Katgi
Endobronchial ultrasound (EBUS) is a technique for the detection of mediastinal abnormalities. A total of 548 EBUS procedures were performed for various indications, and in four cases (0.7%), filling defects in central pulmonary arteries were demonstrated fortuitously during the procedure. Subsequently, all patients underwent contrast-enhanced CT of the thorax to confirm the diagnosis of pulmonary thromboembolism (PTE). In three of the four cases, there was a concomitant lung cancer. PTE can be incidentally detected during EBUS; therefore, pulmonary arteries should be examined carefully during EBUS in all patients, particularly in patients with suspected or proven malignancy...
November 3, 2016: Journal of Clinical Ultrasound: JCU
https://www.readbyqxmd.com/read/27810514/endogenous-cannabinoid-system-alterations-and-their-role-in-epileptogenesis-after-brain-injury-in-rat
#15
Xiu Wang, Yao Wang, Chao Zhang, Chang Liu, Hai-Feng Yang, Wen-Han Hu, Jian-Guo Zhang, Kai Zhang
Post-traumatic epilepsy (PTE) is one of the most common complications resulting from brain injury, however, antiepileptic drugs usually fail to prevent it. Several lines of evidence have demonstrated that the endogenous cannabinoid system (ECS) plays a pivotal role during epileptogenesis in several animal models. A recent study has shown that a cannabinoid type 1 (CB1) receptor antagonist could suppress long-term neuron hyperexcitability after brain injury, but the underlying mechanisms remain largely unknown...
October 24, 2016: Epilepsy Research
https://www.readbyqxmd.com/read/27798647/gene-expression-profiling-of-pulmonary-artery-in-a-rabbit-model-of-pulmonary-thromboembolism
#16
Zhiyuan Tang, Xudong Wang, Jianfei Huang, Xiaoyu Zhou, Hao Xie, Qilin Zhu, Minjie Huang, Songshi Ni
Acute pulmonary thromboembolism (PTE) refers to the obstruction of thrombus in pulmonary artery or its branches. Recent studies have suggested that PTE-induced endothelium injury is the major physiological consequence of PTE. And it is reasonal to use PTE-induced endothelium injury to stratify disease severity. According to the massive morphologic and histologic findings, rabbit models could be applied to closely mimic the human PE. Genomewide gene expression profiling has not been attempted in PTE. In this study, we determined the accuracy of rabbit autologous thrombus PTE model for human PTE disease, then we applied gene expression array to identify gene expression changes in pulmonary arteries under PTE to identify potential molecular biomarkers and signaling pathways for PTE...
2016: PloS One
https://www.readbyqxmd.com/read/27792976/pre-event-trajectories-of-mental-health-and-health-related-disabilities-and-post-event-traumatic-stress-symptoms-and-health-a-7-wave-population-based-study
#17
Peter G van der Velden, Mark W G Bosmans, Erik van der Meulen, Jeroen K Vermunt
It is unknown to what extent classes of trajectories of pre-event mental health problems (MHP) and health-related disabilities (HRD), predict post-event traumatic stress symptoms (PTSS), MHP and HRD. Aim of the present 7-wave study was to assess the predictive values using a representative sample of adult Dutch (N=4052) participating in three health-surveys in November-December 2009 (T1), 2010 (T2), 2011 (T3). In total, 2988 out of 4052 also participated in trauma-surveys in April(T4), August(T5) and December(T6) 2012 and a fourth health-survey in November-December 2012 (T7)...
October 17, 2016: Psychiatry Research
https://www.readbyqxmd.com/read/27791201/optimization-of-radiotherapy-for-neck-carcinoma-metastasis-from-unknown-primary-sites-a-meta-analysis
#18
Xiaomei Liu, Dianhe Li, Na Li, Xiaoxia Zhu
This meta-analysis was designed to evaluate radiotherapy (RT) options preferable for neck cancer metastases from unknown primary sites (NCUP). Relevant articles published up through September 2015 were selected from EMBASE, Cochrane, PubMed and Web of Science. Thirty-three articles were identified, and relative risks (RRs) and 95% CIs for all pre-specified endpoints were calculated. Surgery plus RT showed an advantage for 5-year overall survival (OS) (RR 0.66, 95% CI 0.52-0.83, p = 0.0004) and neck recurrence (NR) (RR = 0...
October 24, 2016: Oncotarget
https://www.readbyqxmd.com/read/27790495/acute-right-heart-failure-in-a-patient-with-right-heart-thrombus-and-pulmonary-thromboembolism
#19
Mohammad Mostafa Ansari-Ramandi, Samaneh Ansari-Ramandi, Nasim Naderi
Right Heart Thrombus (RiHT) management is really controversial, and appropriate guidelines are not present for the management. In patients referring with RiHT and Pulmonary Embolism (PE), there are three ways of managing these patients. Out of the three, one is thrombectomy, which is with high risk taking in mind the comorbidities these patients have. The other is using thrombolytic which, in many cases is contraindicated or with high risk. The other less effective way is full anticoagulation. It is really controversial to choose between these ways of management and no clear approach is present...
September 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27783492/atomic-linkage-flexibility-tuned-isotropic-negative-zero-and-positive-thermal-expansion-in-mzrf6-m-ca-mn-fe-co-ni-and-zn
#20
Lei Hu, Jun Chen, Jiale Xu, Na Wang, Fei Han, Yang Ren, Zhao Pan, Yangchun Rong, Rongjin Huang, Jinxia Deng, Laifeng Li, Xianran Xing
The controllable isotropic thermal expansion with a broad coefficient of thermal expansion (CTE) window is intriguing but remains challenge. Herein we report a cubic MZrF6 series (M = Ca, Mn, Fe, Co, Ni and Zn), which exhibit controllable thermal expansion over a wide temperature range and with a broader CTE window (-6.69 to +18.23×10-6/K). In particular, an isotropic zero thermal expansion (ZTE) is achieved in ZnZrF6, which is one of the rarely documented high-temperature isotropic ZTE compounds. By utilizing temperature-dependent high-energy synchrotron X-ray total scattering diffraction, it is found that the flexibility of metal∙∙∙F atomic linkages in MZrF6 plays a critical role in distinct thermal expansions...
October 26, 2016: Journal of the American Chemical Society
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