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https://www.readbyqxmd.com/read/28550799/in%C3%A2-vivo-assessment-of-dermal-adhesion-penetration-and-bioavailability-of-tetrabromobisphenol-a
#1
Yunjiang Yu, Liangzhong Li, Hongyan Li, Xiaowei Yu, Yanping Zhang, Qiong Wang, Zhixiang Zhou, Dandan Gao, Hao Ye, Bigui Lin, Ruixue Ma
Individuals are exposed to brominated flame retardants (BFRs), including tetrabromobisphenol A (TBBPA), on a daily basis because of their widespread usage. These compounds may have adverse effects on human health. In the present study, dermal absorption experiments were conducted in vivo to predict the adhesion, penetration, and bioavailability of TBBPA. TBBPA was administered to Wistar rats for 6 h by repeated dermal exposure at doses of 20, 60, 200, and 600 mg of TBBPA per kg of body weight (bw). The skin adhesion coefficient (AC) was calculated using a difference-value method and ranged from 0...
May 24, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28550738/development-an-efficient-calibrated-nonlocal-plate-model-for-nonlinear-axial-instability-of-zirconia-nanosheets-using-molecular-dynamics-simulation
#2
S Sahmani, A M Fattahi
New ceramic materials containing nanoscaled crystalline phases create a main object of scientific interest due to their attractive advantages such as biocompatibility. Zirconia as a transparent glass ceramic is one of the most useful binary oxides in a wide range of applications. In the present study, a new size-dependent plate model is constructed to predict the nonlinear axial instability characteristics of zirconia nanosheets under axial compressive load. To accomplish this end, the nonlocal continuum elasticity of Eringen is incorporated to a refined exponential shear deformation plate theory...
April 27, 2017: Journal of Molecular Graphics & Modelling
https://www.readbyqxmd.com/read/28550632/optimization-of-palm-oil-mill-sludge-biochar-preparation-for-sulfur-dioxide-removal
#3
Nursashabila Iberahim, Sumathi Sethupathi, Mohammed J K Bashir
In this study, palm oil mill sludge was used as a precursor to prepare biochar using conventional pyrolysis. Palm oil mill sludge biochar (POSB) was prepared at different preparation variables, i.e., heating temperature (300-800 °C), heating rate (10-20 °C/min) and holding time (60-120 min). The prepared biochars were tested for sulfur dioxide (SO2) adsorption in a fixed bed reactor using 300 ppm of SO2 gas at 300 ml/min (with N2 gas as balance). Response surface central composite experimental design was used to optimize the production of biochar versus SO2 removal...
May 26, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28550598/serum-ebv-ea-iga-and-vca-iga-antibodies-can-be-used-for-risk-group-stratification-and-prognostic-prediction-in-extranodal-nk-t-cell-lymphoma-24-year-experience-at-a-single-institution
#4
Yuhua Huang, Huilan Rao, Shumei Yan, Fang Wang, Qinian Wu, Yanfen Feng, Yujing Zhang
Although extranodal NK/T cell lymphoma (ENKTCL) is consistently associated with Epstein-Barr virus (EBV) infection, the manifestation and prognostic value of serum EBV antibodies still remain unknown. One hundred and forty-one patients with ENKTCL were evaluated for serum EBV EA-IgA and VCA-IgA antibodies levels in the past 24 years in our institution. Their correlation with clinicopathological features, plasma EBV DNA load, and patients' outcomes was analyzed. EBV EA-IgA ≥1:10 and VCA-IgA ≥1:160 were found in 18...
May 27, 2017: Annals of Hematology
https://www.readbyqxmd.com/read/28550588/value-of-ct-signs-and-measurements-as-a-predictor-of-pulmonary-hypertension-and-mortality-in-symptomatic-severe-aortic-valve-stenosis
#5
Matthias Eberhard, Monika Mastalerz, Jovana Pavicevic, Thomas Frauenfelder, Fabian Nietlispach, Francesco Maisano, Felix C Tanner, Thi Dan Linh Nguyen-Kim
To assess the value of computed tomography (CT) for non-invasive detection of pulmonary hypertension (PH) in patients with severe aortic stenosis undergoing transcatheter aortic valve implantation (TAVI) and to correlate CT measurements and signs with mortality after TAVI. 257 TAVI patients (median 84 years; 134 females) with both right heart catheterisation (RHC) and CT within 3 days were retrospectively analyzed. According to guidelines PH was defined as mean pulmonary artery pressure ≥25 mmHg in RHC. CT-signs for PH assessment were evaluated...
May 26, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28550587/epicardial-adipose-tissue-is-associated-with-high-risk-plaque-feature-progression-in-non-culprit-lesions
#6
Yahang Tan, Jia Zhou, Ying Zhou, Xiaobo Yang, Jing Wang, Yundai Chen
Several studies have suggested a link between epicardial adipose tissue (EAT) volume and high-risk plaques (HRPs); however, little is known about the association between EAT volume and HRP progression in non-culprit lesions (NCLs). Therefore, we evaluated whether EAT can independently predict HRP characteristic progression in NCLs by coronary computed tomography angiography (CCTA). In this single-centre trial, we analysed 131 consecutive patients (median age 61 years, male 72.52%) undergoing CCTA with percutaneous coronary intervention (PCI) for culprit lesions...
May 26, 2017: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/28550488/the-value-of-preoperative-positron-emission-tomography-computed-tomography-in-node-negative-endometrial-cancer-on-magnetic-resonance-imaging
#7
Jeong-Yeol Park, Jong Jin Lee, Hyuck Jae Choi, In Hye Song, Chang Ohk Sung, Hye Ok Kim, Sun-Young Chae, Young-Tak Kim, Joo-Hyun Nam
OBJECTIVE: The aim of this study was to investigate the value of [18F]fluorodeoxyglucose-positron emission tomography/computed tomography (FDG-PET/CT) in predicting lymph node status in node-negative endometrial cancer on preoperative magnetic resonance imaging (MRI). METHODS: Patients with endometrial cancer who underwent both preoperative MRI and FDG-PET/CT followed by hysterectomy and lymphadenectomy were initially included. We then enrolled patients with MRI-defined node-negative disease (lymph nodes <1 cm in the short-axis diameter, or no visible lymph node)...
May 26, 2017: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/28550473/the-significance-of-de-ritis-aspartate-transaminase-alanine-transaminase-ratio-in-predicting-pathological-outcomes-and-prognosis-in-localized-prostate-cancer-patients
#8
Huitao Wang, Kewei Fang, Jinsong Zhang, Yongming Jiang, Guang Wang, Haiyan Zhang, Tao Chen, Xin Shi, Yuhang Li, Fei Duan, Jianhe Liu
PURPOSE: To illustrate whether De Ritis (aspartate transaminase-AST/alanine transaminase-ALT) ratio is useful in risk stratification of localized prostate cancer and propose an easy predictive model for biochemical recurrence-free survival (BCRFS). METHODS: In total, 438 patients who underwent radical prostatectomy were included in this study. Blood samples including AST and ALT were collected 1-7 days before surgery. An elevated AST and ALT value was defined as over 40 or 56 IU/L...
May 26, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28550355/coronary-computed-tomography-angiography-using-128-slice-dual-source-computed-tomography-in-patients-with-severe-calcification
#9
Suguru Sato, Yosuke Horii, Norihiko Yoshimura, Takuya Yagi, Hidefumi Aoyama
PURPOSE: To compare coronary computed tomography angiography (CTA) and coronary angiography (CAG) with regard to luminal graphic definition of calcified segments using 128-slice dual-source computed tomography (DSCT), specifically for patients with an Agatston score >400. MATERIALS AND METHODS: Of 1148 consecutive patients who underwent coronary CTA using a 128-slice DSCT, 132 subjects had severe calcification with an Agatston score >400. Thirty-nine of the 132 patients who had undergone CAG within 3 months before or after coronary CTA were included...
May 26, 2017: Japanese Journal of Radiology
https://www.readbyqxmd.com/read/28550167/prediction-of-response-to-sorafenib-in-hepatocellular-carcinoma-a-marker-panel-by-multiple-reaction-monitoring-mass-spectrometry
#10
Hyunsoo Kim, Su Jong Yu, Injun Yeo, Young Youn Cho, Dong Hyeon Lee, Yuri Cho, Eun Ju Cho, Jeong-Hoon Lee, Yoon Jun Kim, Sungyoung Lee, Jongsoo Jun, Taesung Park, Jung-Hwan Yoon, Youngsoo Kim
Sorafenib is the only standard treatment for unresectable hepatocellular carcinoma (HCC), but it provides modest survival benefits over placebo, necessitating predictive biomarkers of the response to sorafenib. Serum samples were obtained from 115 consecutive patients with HCC before sorafenib treatment and analyzed by multiple reaction monitoring-mass spectrometry (MRM-MS) and ELISA to quantify candidate biomarkers. We verified a triple-marker panel to be predictive of the response to sorafenib by MRM-MS, comprising CD5 antigen-like (CD5L), immunoglobulin J (IGJ), and galectin-3-binding protein (LGALS3BP), in HCC patients...
May 26, 2017: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/28550032/a-predictive-score-for-thrombosis-associated-with-breast-colorectal-lung-or-ovarian-cancer-the-prospective-compass-cancer-associated-thrombosis-study
#11
Grigoris T Gerotziafas, Ali Taher, Hikmat Abdel-Razeq, Essam AboElnazar, Alex C Spyropoulos, Salem El Shemmari, Annette K Larsen, Ismail Elalamy
BACKGROUND: The stratification of outpatients on chemotherapy for breast, colorectal, lung, and ovarian cancers at risk of venous thromboembolism (VTE) remains an unmet clinical need. The derivation of a risk assessment model (RAM) for VTE in these patients was the aim of the study "Prospective Comparison of Methods for thromboembolic risk assessment with clinical Perceptions and AwareneSS in real life patients-Cancer Associated Thrombosis" (COMPASS-CAT). PATIENTS AND METHODS: The derivation cohort consisted of 1,023 outpatients...
May 26, 2017: Oncologist
https://www.readbyqxmd.com/read/28550029/pulmonary-function-changes-after-radiotherapy-for-lung-or-esophageal-cancer-a-systematic-review-focusing-on-dose-volume-parameters
#12
Anne G H Niezink, Renske A de Jong, Christina T Muijs, Johannes A Langendijk, Joachim Widder
BACKGROUND: Despite technical developments in treatment delivery, radiation-induced lung toxicity (RILT) remains a crucial problem in thoracic radiotherapy. Clinically based RILT scores have their limitations, and more objective measures such as pulmonary functions tests (PFTs) might help to improve treatment strategies. PURPOSE: To summarize the available evidence about the effect of dose to the lung in thoracic radiotherapy on forced expiratory volume in one second (FEV1) and diffusion capacity (DLCO) in patients with lung and esophageal cancer treated with curative intent...
May 26, 2017: Oncologist
https://www.readbyqxmd.com/read/28549976/brca-mutational-status-initial-disease-presentation-and-clinical-outcome-in-high-grade-serous-advanced-ovarian-cancer-a-multicenter-study
#13
Marco Petrillo, Claudia Marchetti, Rossella De Leo, Angela Musella, Ettore Capoluongo, Ida Paris, Pierluigi Benedetti Panici, Giovanni Scambia, Anna Fagotti
BACKGROUND: In the last decades, several efforts have been done to clarify the role of BRCA mutational status in women with advanced ovarian cancer demonstrating its role in cancer development, as well as the prognostic significance of BRCA genotype. OBJCTIVE: Our aim is to evaluate the correlation between BRCA mutational status and disease presentation in a large series of advanced high-grade serous ovarian cancer patients. STUDY DESIGN: this is a retrospective multicenter study including a consecutive series of newly diagnosed high-grade serous ovarian cancer patients with FIGO Stage IIIC-IV disease, at least 18 months of follow-up time, tested for BRCA 1/2 germline mutation status...
May 23, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28549946/potential-metabolomic-biomarkers-for-reliable-diagnosis-of-behcet-s-disease-using-gas-chromatography-with-time-of-flight-mass-spectrometry
#14
Joong Kyong Ahn, Jungyeon Kim, Jiwon Hwang, Juhwan Song, Kyoung Heon Kim, Hoon-Suk Cha
OBJECTIVES: Although many diagnostic criteria of Behcet's disease (BD) have been developed and revised by experts, diagnosing BD is still complicated and challenging. No metabolomic studies on serum have been attempted to improve the diagnosis and to identify potential biomarkers of BD. The purposes of this study were to investigate distinctive metabolic changes in serum samples of BD patients and to identify metabolic candidate biomarkers for reliable diagnosis of BD using the metabolomics platform...
May 23, 2017: Joint, Bone, Spine: Revue du Rhumatisme
https://www.readbyqxmd.com/read/28549851/identification-of-pathway-based-prognostic-gene-signatures-in-patients-with-multiple-myeloma
#15
Mohamad Zamani-Ahmadmahmudi, Shahreyar Dabiri, Nadia Nadimi
Molecular profiling is used to extract prognostic gene signatures in different cancers such as multiple myeloma (MM), which is the second most common hematological malignancy. In this study, we utilized gene expression profiles to find biological pathways that could efficiently predict survival time in patients with MM. Four data sets-namely GSE2658 (559 samples), GSE9782 (264 samples), GSE6477 (147 samples), and GSE57317 (55 samples)-were employed. GSE2658 was used as a training data set and the others as validation data sets...
May 9, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/28549754/predictive-value-of-magnetic-resonance-for-identifying-neurovascular-compressions-in-trigeminal-neuralgia
#16
F Ruiz-Juretschke, J G Guzmán-de-Villoria, R García-Leal, J R Sañudo
INTRODUCTION: Microvascular decompression (MVD) is accepted as the only aetiological surgical treatment for refractory classic trigeminal neuralgia (TN). There is therefore increasing interest in establishing the diagnostic and prognostic value of identifying neurovascular compressions (NVC) using preoperative high-resolution three-dimensional magnetic resonance (MRI) in patients with classic TN who are candidates for surgery. METHODS: This observational study includes a series of 74 consecutive patients with classic TN treated with MVD...
May 23, 2017: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/28549563/no-346-advanced-reproductive-age-and-fertility
#17
Kimberly E Liu, Allison Case
OBJECTIVE: To improve awareness of the natural age-related decline in female and male fertility with respect to natural fertility and assisted reproductive technologies (ART), provide recommendations for their management, and to review investigations in the assessment of ovarian aging. OPTIONS: This guideline reviews options for the assessment of ovarian reserve and fertility treatments using ART with women of advanced reproductive age presenting with infertility...
May 23, 2017: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/28549428/rheumatoid-factors-do-not-predict-cardiovascular-disease-and-mortality-in-the-general-population-in-the-busselton-health-survey
#18
Johannes Nossent, Warren Raymond, Mark Divitini, Matthew Knuiman
BACKGROUND: Rheumatoid Factors (RF) are antibodies directed against the Fc portion of IgG and are involved in clearance of immune complexes. While RF can develop in a wide range of conditions, higher RF levels indicate a greater risk for a severe disease course in Rheumatoid Arthritis (RA) patients including cardiovascular complications and premature death. We investigated whether RF also constitute a risk factor for these outcomes in the general population. METHODS: We included 2,323 participants (46% male, mean age 50 years) free of CVD at baseline in 1972...
May 26, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28549420/prognostic-significance-of-tumor-infiltrating-immune-cells-in-oral-squamous-cell-carcinoma
#19
Juan Fang, Xiaoxu Li, Da Ma, Xiangqi Liu, Yichen Chen, Yun Wang, Vivian Wai Yan Lui, Juan Xia, Bin Cheng, Zhi Wang
BACKGROUND: Prognostic factors aid in the stratification and treatment of cancer. This study evaluated prognostic importance of tumor infiltrating immune cell in patients with oral squamous cell carcinoma. METHODS: Profiles of infiltrating immune cells and clinicopathological data were available for 78 OSCC patients with a median follow-up of 48 months. The infiltrating intensity of CD8, CD4, T-bet, CD68 and CD57 positive cells were assessed by immunohistochemistry...
May 26, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28549319/effect-of-laser-photobiomodulation-on-wound-healing-and-postoperative-pain-following-free-gingival-graft-a-split-mouth-triple-blind-randomized-controlled-clinical-trial
#20
Mohadeseh Heidari, Mojgan Paknejad, Raika Jamali, Hanieh Nokhbatolfoghahaei, Reza Fekrazad, Neda Moslemi
BACKGROUND AND AIM: Free gingival graft (FGG) is one of the most predictable techniques for gingival augmentation. However, patient's discomfort and pain during healing period are significant concerns. The aim of this study was to assess if laser photobiomodulation (PBM) was effective in terms of enhancing wound healing and reducing postoperative pain. METHODS AND MATERIALS: Twelve patients participated in this split-mouth randomized controlled clinical trial. Each patient had a 30-day interval between the two procedures...
May 18, 2017: Journal of Photochemistry and Photobiology. B, Biology
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