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https://www.readbyqxmd.com/read/28213934/transverse-process-anatomy-as-a-guide-to-vertebral-artery-exposure-during-anterior-cervical-spine-approach-a-cadaveric-study
#1
Ali Nourbakhsh, Jinping Yang, Howard McMahan, Kim Garges
INTRODUCTION: Safe exposure of the vertebral artery (VA) is needed during resection of tumors close to the artery and during repair of lacerations. We defined the anatomy of the anterior root of each transverse process (TP) from C3 to C6 for identification and exposure of the VA during the anterior approach. MATERIALS AND METHODS: We examined the anatomy of the TP and assessed two approaches for safe identification of the VA, lateral to medial and medial to lateral dissection of the TP, in 20 cadavers...
February 18, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28212979/degradation-of-optical-and-surface-properties-of-resin-based-composites-with-distinct-nanoparticle-sizes-but-equivalent-surface-area
#2
Vinícius Esteves Salgado, Larissa Maria Cavalcante, Rafael R Moraes, Harry B Davis, Jack L Ferracane, Luis Felipe Schneider
OBJECTIVE: To determine the optical and surface properties of model resin-based composites made with distinct nanoparticle sizes but equalized surface area, among them, before and after ageing. METHODS: Model resin-based composites based on BisGMA/TEGDMA (50:50mol%) were loaded with three different fumed silica filler content (7nm/examethyldisilazane, 12nm/octylsilane, and 16nm/dimethylchlorosilane), but with equivalent surface area (BET method). The optical and surface properties of the disk-shaped specimens were measured in 24h after photoactivation (baseline) and repeated after water storage (90days at 37°C), and after abrasion (20,000 cycles of brushing)...
February 14, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28212403/cerebrospinal-fluid-biomarkers-of-infantile-congenital-hydrocephalus
#3
David D Limbrick, Brandon Baksh, Clinton D Morgan, Gakwaya Habiyaremye, James P McAllister, Terrie E Inder, Deanna Mercer, David M Holtzman, Jennifer Strahle, Michael J Wallendorf, Diego M Morales
INTRODUCTION: Hydrocephalus is a complex neurological disorder with a pervasive impact on the central nervous system. Previous work has demonstrated derangements in the biochemical profile of cerebrospinal fluid (CSF) in hydrocephalus, particularly in infants and children, in whom neurodevelopment is progressing in parallel with concomitant neurological injury. The objective of this study was to examine the CSF of children with congenital hydrocephalus (CHC) to gain insight into the pathophysiology of hydrocephalus and identify candidate biomarkers of CHC with potential diagnostic and therapeutic value...
2017: PloS One
https://www.readbyqxmd.com/read/28211173/methyl-jasmonate-ameliorates-testosterone-propionate-induced-prostatic-hyperplasia-in-castrated-wistar-rats
#4
Olubukola Oyebimpe Akanni, Olusoji John Abiola, Oluwatosin Adekunle Adaramoye
Benign prostate hyperplasia (BPH) is a progressive disease that is related to age. Known therapeutic agents used in the treatment of BPH are associated with toxicity. Therefore, chemoprevention could be an effective approach. We investigated the ameliorative effects of methyl jasmonate (MeJA) in testosterone propionate (TP)-induced BPH in castrated rats. Castration was performed by removing both testes through the scrotum sack under ketamine anesthesia. Rats were assigned into seven groups of seven animals each: non-castrated control, castrated control, castrated rats that received TP, castrated rats that received TP and MeJA, castrated rats that received TP and finasteride, castrated rats that received MeJA, and castrated rats that received finasteride...
February 16, 2017: Phytotherapy Research: PTR
https://www.readbyqxmd.com/read/28209662/the-impact-of-between-analytical-platform-variability-on-the-classification-of-pleural-effusions-into-exudate-or-transudate-using-light-s-criteria
#5
Michael P Cornes, Andrew J Chadburn, Claire Thomas, Catherine Darby, Rachel Webster, Clare Ford, Rousseau Gama
BACKGROUND: Light's criteria are ratios of pleural fluid to serum total protein (TP), pleural fluid to serum lactate dehydrogenase (LDH) and pleural fluid LDH to the upper reference limit for serum LDH. They are used to classify pleural effusions into an exudate or transudate when pleural fluid protein is 25-35 g/L. We evaluated the impact of between analytical platforms on the classification of pleural effusions using Light's criteria. METHODS: Light's criteria were used to classify pleural effusions with fluid TP between 25 and 35 g/L into exudate and transudate...
February 16, 2017: Journal of Clinical Pathology
https://www.readbyqxmd.com/read/28209362/relative-influence-of-sediment-variables-on-mangrove-community-assembly-in-leizhou-peninsula-china
#6
Jing Liu, Keming Ma, Laiye Qu
Effective conservation of mangroves requires a complete understanding of vegetation structure and identification of the variables most important to their assembly. Using canonical correspondence analysis (CCA) combined with variation partition, we determined the independent and joint effects of sediment variables, including physicochemical characteristics and heavy metals, on mangrove community assemblies in the overstory and understory in Leizhou Peninsula, China. The results indicated that the contributions of sediment physicochemical variables to community assembly were greater than were those of heavy metals, particularly in overstory vegetation...
February 13, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28199898/differential-release-of-manure-borne-bioactive-phosphorus-forms-to-runoff-and-leachate-under-simulated-rain
#7
R A Blaustein, Thanh H Dao, Y A Pachepsky, D R Shelton
Limited information exists on the unhindered release of bioactive phosphorus (P) from a manure layer to model the partitioning and transport of component P forms before they reach an underlying soil. Rain simulations were conducted to quantify effects of intensity (30, 60, and 90 mm h(-1)) on P release from an application of 60 Mg ha(-1) of dairy manure. Runoff contained water-extractable- (WEP), exchangeable and enzyme-labile bioactive P (TBIOP), in contrast to the operationally defined "dissolved-reactive P" form...
February 12, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28198887/femtosecond-two-photon-planar-laser-induced-fluorescence-of-carbon-monoxide-in-flames
#8
Daniel R Richardson, Sukesh Roy, James R Gord
Two-photon, planar laser-induced fluorescence (TP-PLIF) of carbon monoxide was performed in steady and driven flames using femtosecond (fs) laser pulses at 1 kHz. Excitation radiation at 230.1 nm (full-width at half-maximum bandwidth of 270  cm<sup>-1</sup>) was used to pump many rovibrational two-photon transitions in the B<sup>1</sup>∑<sup>+</sup>←X<sup>1</sup>∑<sup>+</sup> system. Visible fluorescence in the range 362-516 nm was captured using an image intensifier and high-speed camera...
February 15, 2017: Optics Letters
https://www.readbyqxmd.com/read/28193404/influence-of-orange-cultivar-and-mandarin-postharvest-storage-on-polyphenols-ascorbic-acid-and-antioxidant-activity-during-gastrointestinal-digestion
#9
Begoña De Ancos, Antonio Cilla, Reyes Barberá, Concepción Sánchez-Moreno, M Pilar Cano
Polyphenols, ascorbic acid content and antioxidant activity of two sweet oranges (Navel-N and Cara Cara-CC) and mandarin (Clementine-M) as well as their bioaccessibilities were evaluated in pulps and compared to those in fresh juice. Thus, pulps of oranges and mandarins displayed higher hesperidin (HES), narirutin (NAR), total flavonoids (TF), total phenols (TP) and antioxidant activity (AAC) than their corresponding juices. Also, CC products presented higher bioactive compounds content than N ones. Bioaccessibility of bioactive compounds and AAC were higher in pulps of both oranges and mandarin than in their corresponding juices...
June 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28191323/autonomic-imbalance-captures-maternal-and-fetal-circulatory-response-to-pre-eclampsia
#10
Igor Lakhno
BACKGROUND: Pre-eclampsia (PE) is a gestational disease featured by hypertension, arterial systemic vasculopathy, multiple organ failure and fetal compromise. The aim of the investigation was to determine the role of maternal respiratory sinus arrhythmia (RSA) in regulation of the fetal circulatory system in case of healthy pregnancy and in PE. METHODS: The investigation of maternal and fetal HRV and fetal CTG variables in 106 patients at 34-40 weeks of gestation was performed...
2017: Clinical Hypertension
https://www.readbyqxmd.com/read/28190783/a-retrospective-analysis-of-catheter-based-sources-in-intravascular-brachytherapy
#11
J DeCunha, C Janicki, S A Enger
PURPOSE: Coronary artery disease involves the deposition of plaque along the walls of a coronary artery leading to narrowed or blocked vessels (stenosis) and is one of the main causes of death in developed countries. Percutaneous transluminal coronary angioplasty (PTCA) is used to reverse stenosis. Restenosis (renarrowing) of the treated vessel is a major complication of PTCA. A metal mesh tube (stent) can be placed inside the vessel to prevent restenosis. Tissue stress incurred during PTCA and stenting can provoke neointimal cell proliferation leading to in-stent restenosis (ISR)...
February 10, 2017: Brachytherapy
https://www.readbyqxmd.com/read/28188987/effectiveness-of-phosphate-removal-during-anaerobic-digestion-of-waste-activated-sludge-by-dosing-iron-iii
#12
Xiang Cheng, Jue Wang, Bing Chen, Yu Wang, Jiaqi Liu, Lubo Liu
Phosphate-Fe(II) precipitation induced by Fe(III) reduction during the anaerobic digestion of excess activated sludge was investigated for the removal of phosphorus and its possible recovery. The experiments were conducted with three Fe(III) sources at 35 °C and 55 °C. The results show that ferrihydrite-Fe(III) was effectively reduced during the anaerobic sludge digestion by 63% and 96% under mesophilic and thermophilic conditions, respectively. Whereas FeCl3-Fe(III) was only mesophilically reducible and the reduction of hematite-Fe(III) was unnoticeable at either temperature...
February 8, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28188235/cannabis-edibles-blood-and-oral-fluid-cannabinoid-pharmacokinetics-and-evaluation-of-oral-fluid-screening-devices-for-predicting-%C3%AE-9-tetrahydrocannabinol-in-blood-and-oral-fluid-following-cannabis-brownie-administration
#13
Matthew N Newmeyer, Madeleine J Swortwood, Maria Andersson, Osama A Abulseoud, Karl B Scheidweiler, Marilyn A Huestis
BACKGROUND: Roadside oral fluid (OF) Δ(9)-tetrahydro-cannabinol (THC) detection indicates recent cannabis intake. OF and blood THC pharmacokinetic data are limited and there are no on-site OF screening performance evaluations after controlled edible cannabis. CONTENT: We reviewed OF and blood cannabinoid pharmacokinetics and performance evaluations of the Draeger DrugTest®5000 (DT5000) and Alere™ DDS®2 (DDS2) on-site OF screening devices. We also present data from a controlled oral cannabis administration session...
February 10, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28187829/cross-resistance-patterns-to-acetolactate-synthase-als-inhibiting-herbicides-of-flixweed-descurainia-sophia-l-conferred-by-different-combinations-of-als-isozymes-with-a-pro-197-thr-mutation-or-a-novel-trp-574-leu-mutation
#14
Wei Deng, Qian Yang, Yongzhi Zhang, Hongtao Jiao, Yu Mei, Xuefeng Li, Mingqi Zheng
Acetolactate synthase (ALS) is the common target of ALS-inhibiting herbicides, and target-site ALS mutations are the main mechanism of resistance to ALS-inhibiting herbicides. In this study, ALS1 and ALS2 genes with full lengths of 2004bp and 1998bp respectively were cloned in individual plants of susceptible (S) or resistant (R) flixweed (Descurainia sophia L.) populations. Two ALS mutations of Pro-197-Thr and/or Trp-574-Leu were identified in plants of three R biotypes (HB24, HB30 and HB42). In order to investigate the function of ALS isozymes in ALS-inhibiting herbicide resistance, pHB24 (a Pro-197-Thr mutation in ALS1 and a wild type ALS2), pHB42 (a Trp-574-Leu mutation in ALS1 and a wild type ALS2) and pHB30 (a Trp-574-Leu mutation in ALS1 and a Pro-197-Thr mutation in ALS2) subpopulations individually homozygous for different ALS mutations were generated...
March 2017: Pesticide Biochemistry and Physiology
https://www.readbyqxmd.com/read/28187369/embedding-constructed-wetland-in-sequencing-batch-reactor-for-enhancing-nutrients-removal-a-comparative-evaluation
#15
Ranbin Liu, Yaqian Zhao, Jinhui Zhao, Lei Xu, Caroline Sibille
In the present study, a novel green bio-sorption reactor (GBR) was firstly proposed and preliminarily investigated by embedding constructed wetland (CW) into the aeration tank of the conventional activated sludge (CAS). This integrated novel system owns the striking features of adding carriers of wetland substrate (i.e. the dewatered alum sludge in this case) in CAS for robust phosphorus adsorption and enriching the biomass. Meanwhile, the "green" feature of this GBR imparted aesthetic value of CW to the CAS system...
February 7, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28187342/statistical-monitoring-and-dynamic-simulation-of-a-wastewater-treatment-plant-a-combined-approach-to-achieve-model-predictive-control
#16
Xiaodong Wang, Harsha Ratnaweera, Johan Abdullah Holm, Vibeke Olsbu
The on-line monitoring of Chemical oxygen demand (COD) and total phosphorus (TP) restrains wastewater treatment plants to achieve better control of aeration and chemical dosing. In this study, we applied principal components analysis (PCA) to find out significant variables for COD and TP prediction. Multiple regression method applied the variables suggested by PCA to predict influent COD and TP. Moreover, a model of full-scale wastewater treatment plant with moving bed bioreactor (MBBR) and ballasted separation process was developed to simulate the performance of wastewater treatment...
February 7, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28185726/comparison-of-transportal-and-outside-in-techniques-for-posterolateral-femoral-tunnel-drilling-in-double-bundle-acl-reconstruction-three-dimensional-ct-analysis-of-bone-tunnel-geometry
#17
Shunichiro Kambara, Hiroshi Nakayama, Motoi Yamaguchi, Akio Matsumoto, Ken Sasaki, Kaori Kashiwa, Tomoya Iseki, Shinichi Yoshiya
PURPOSE: To comparatively analyze the geometry of the posterolateral femoral (PL) tunnel in double-bundle ACL reconstruction between far anteromedial transportal (TP) and outside-in (OI) drilling techniques based on three-dimensional computed tomography (3DCT) image analysis. METHODS: Forty patients who underwent anatomic double-bundle hamstring ACL reconstruction using the TP (n: 20) or OI (n: 20) method with postoperative CT data available were included in the study...
February 6, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28183446/genetic-ablation-of-phosphatidylcholine-transfer-protein-stard2-in-ob-ob-mice-improves-glucose-tolerance-without-increasing-energy-expenditure
#18
Tibor I Krisko, Katherine B LeClair, David E Cohen
OBJECTIVE: Phosphatidylcholine transfer protein (PC-TP; synonym StarD2) is highly expressed in liver and oxidative tissues. PC-TP promotes hepatic glucose production during fasting and aggravates glucose intolerance in high fat fed mice. However, because PC-TP also suppresses thermogenesis in brown adipose tissue (BAT), its direct contribution to obesity-associated diabetes in mice remains unclear. Here we examined the effects of genetic PC-TP ablation on glucose homeostasis in leptin-deficient ob/ob mice, which exhibit both diabetes and altered thermoregulation...
March 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/28182702/natural-formulas-and-the-nature-of-formulas-exploring-potential-therapeutic-targets-based-on-traditional-chinese-herbal-formulas
#19
Qianru Zhang, Hua Yu, Jin Qi, Daisheng Tang, Xiaojia Chen, Jian-Bo Wan, Peng Li, Hao Hu, Yi-Tao Wang, Yuanjia Hu
By comparing the target proteins (TPs) of classic traditional Chinese medicine (TCM) herbal formulas and modern drugs used for treating coronary artery disease (CAD), this study aimed to identify potential therapeutic TPs for treating CAD. Based on the theory of TCM, the Xuefu-Zhuyu decoction (XZD) and Gualou-Xiebai-Banxia decoction (GXBD), both of which are classic herbal formulas, were selected for treating CAD. Data on the chemical ingredients and corresponding TPs of the herbs in these two formulas and data on modern drugs approved for treating CAD and related TPs were retrieved from professional TCM and bioinformatics databases...
2017: PloS One
https://www.readbyqxmd.com/read/28182167/comparison-of-intraocular-pressure-measurements-in-healthy-pediatric-patients-using-three-types-of-tonometers
#20
Muhsin Eraslan, Eren Çerman, Sena Sümmen
OBJECTIVES: This study aimed to compare intraocular pressure (IOP) measurements in healthy pediatric patients using three types of tonometers. MATERIALS AND METHODS: Seventy-eight eyes of 78 patients under the age of 18 who underwent a routine ophthalmologic examination were included in the study. IOP was measured using Tono-Pen (TP) tonometry, Goldmann applanation tonometry (GAT), and non-contact tonometry (NCT), consecutively. IOP was adjusted based on central corneal thickness (CCT)...
January 2017: Turkish Journal of Ophthalmology
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