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https://www.readbyqxmd.com/read/28100712/salt-management-strategy-defines-the-stem-and-leaf-hydraulic-characteristics-of-six-mangrove-tree-species
#1
Guo-Feng Jiang, Uromi Manage Goodale, Yan-Yan Liu, Guang-You Hao, Kun-Fang Cao
Mangroves in hypersaline coastal habitats are under constant high xylem tension and face great risk of hydraulic dysfunction. To investigate the relationships between functional traits and salt management, we measured 20 hydraulic and photosynthetic traits in four salt-adapted (SA) and two non-SA (NSA) mangrove tree species in south China. The SA species included two salt secretors (SSs), Avicennia marina (Forsskål) Vierhapper and Aegiceras corniculatum (L.) Blanco and two salt excluders (SEs), Bruguiera gymnorrhiza (L...
January 18, 2017: Tree Physiology
https://www.readbyqxmd.com/read/28088644/tert-butyl-hydroperoxide-t-bhp-induced-apoptosis-and-necroptosis-in-endothelial-cells-roles-of-nox4-and-mitochondrion
#2
Wenwen Zhao, Haitao Feng, Wen Sun, Kang Liu, Jin-Jian Lu, Xiuping Chen
Oxidative stress causes endothelial death while underlying mechanisms remain elusive. Herein, the pro-death effect of tert-butyl hydroperoxide (t-BHP) was investigated with low concentration (50μM) of t-BHP (t-BHPL) and high concentration (500μM) of t-BHP (t-BHPH). Both t-BHPL and t-BHPH induced endothelial cell death was determined. T-BHPL induced caspase-dependent apoptosis and reactive oxygen species (ROS) generation, which was inhibited by N-acetyl-L-cysteine (NAC). Furthermore, NADPH oxidase inhibitor diphenyleneiodonium (DPI), NOX4 siRNA, and NOX4 inhibitor GKT137831 reduced t-BHPL-induced ROS generation while mitochondrial respiratory chain inhibitors rotenone (Rot), 2-thenoyltrifluoroacetone (TTFA), and antimycin A (AA) failed to do so...
January 5, 2017: Redox Biology
https://www.readbyqxmd.com/read/28060468/reducing-hysteresis-and-enhancing-performance-of-perovskite-solar-cells-using-low-temperature-processed-y-doped-sno2-nanosheets-as-electron-selective-layers
#3
Guang Yang, Hongwei Lei, Hong Tao, Xiaolu Zheng, Junjie Ma, Qin Liu, Weijun Ke, Zhiliang Chen, Liangbin Xiong, Pingli Qin, Zhao Chen, Minchao Qin, Xinhui Lu, Yanfa Yan, Guojia Fang
Despite the rapid increase of efficiency, perovskite solar cells (PSCs) still face some challenges, one of which is the current-voltage hysteresis. Herein, it is reported that yttrium-doped tin dioxide (Y-SnO2 ) electron selective layer (ESL) synthesized by an in situ hydrothermal growth process at 95 °C can significantly reduce the hysteresis and improve the performance of PSCs. Comparison studies reveal two main effects of Y doping of SnO2 ESLs: (1) it promotes the formation of well-aligned and more homogeneous distribution of SnO2 nanosheet arrays (NSAs), which allows better perovskite infiltration, better contacts of perovskite with SnO2 nanosheets, and improves electron transfer from perovskite to ESL; (2) it enlarges the band gap and upshifts the band energy levels, resulting in better energy level alignment with perovskite and reduced charge recombination at NSA/perovskite interfaces...
January 2017: Small
https://www.readbyqxmd.com/read/28055281/effects-of-bronchoscopy-on-lung-function-in-asthmatics
#4
Christina Bellinger, Eugene R Bleecker, Stephen P Peters, Rodolfo M Pascual, Jeffrey Krings, Regina V Smith, Annette Hasties, Wendy C Moore
BACKGROUND: To better understand changes in pulmonary physiology related to asthma severity following bronchoscopy, we performed scheduled pre- and post-procedure spirometry on all subjects undergoing bronchoscopy in our research program. METHODS: Control subjects and asthma subjects of all severity were recruited for bronchoscopy. On the day of bronchoscopy, subjects underwent spirometry when they arrived, after pre-bronchoscopy treatment with albuterol and then up to three sets within two hours following completion of the bronchoscopy...
January 5, 2017: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/28048818/su-f-i-65-fatty-acid-quantification-in-high-fat-diet-induced-abnormal-intrahepatic-triglyceride-storage-using-internal-standard-method-at-3-0-t
#5
K-H Song, C-H Yoo, S-I Lim, B-Y Choe
PURPOSE: The objective of this study was to determine the metabolic changes in a rat model of high-fat-diet-induced non-alcoholic fatty liver disease (NAFLD) by using single-voxel 1H-MRS with a 3.0 T MRI scanner. METHODS: The examination were performed on a 3.0T scanner using a 4-channel animal coil for higher resolution. This method used point-resolved spectroscopy (PRESS) (repetition time (TR)/echo time (TE) = 6000/35 ms; number of signal averages (NSA) = 64)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046759/su-f-i-64-comparison-of-lipid-contents-using-steam-and-press-with-in-vivo-high-resolution-spectra-at-9-4-t
#6
K-H Song, S-I Lim, C-H Yoo, B-Y Choe
PURPOSE: The objective of this study is to compare lipid contents using localized point-resolved spectroscopy (PRESS) and stimulated echo acquisition mode (STEAM) sequences to assess lipid resonances in the liver, using in vivo high-resolution spectra at 9.4 T. METHODS: The examinations were performed on a Bruker 9.4T scanner using 4-channel animal coil for higher resolution. We used PRESS (repetition time [TR]/ TE = 3500/20 ms; number of signal averages [NSA] = 128; acquisition data points = 2048) and STEAM (TR/TM/TE = 3500/10/20 ms; NSA = 128; acquisition data points = 2048)...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28031513/double-intertrochanteric-osteotomy-for-trochanteric-overgrowth-and-a-short-femoral-neck-in-adolescents
#7
Turgut Akgül, Cengiz Şen, Halil İbrahim Balci, Gökhan Polat
PURPOSE: To review the outcome of Wagner double intertrochanteric osteotomy for trochanteric overgrowth and a short femoral neck in 7 adolescents. METHODS: Records of one male and 6 females aged 15 to 20 years who underwent modified Wagner osteotomy for trochanteric overgrowth and a short femoral neck by a single senior surgeon were reviewed. The diagnoses were coxa vara (n=2), developmental dysplasia of the hip (n=3), Leg-Calve-Perthes (n=1), and proximal femoral focal deficiency (n=1)...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/27997442/intrasession-and-intersession-repeatability-of-diffusion-tensor-imaging-in-healthy-human-liver
#8
Oi Lei Wong, Thomas Wai Tong Leung, Gladys Goh Lo, Jing Yuan, Wing Wa Li, Michael D Noseworthy
OBJECTIVE: The aim of this study was to evaluate the effect of signal to noise ratio (SNR) and number of gradient directions (NGD) on intra- and intersession repeatability of liver diffusion tensor imaging (DTI) metrics. METHODS: At each of 3 liver DTI scan sessions, liver diffusion was assessed in 5 healthy volunteers using a 6-direction DTI scan performed 9 separate times (ie, number of signal averages [NSA]). In addition, 4 combinations of NSA and NGD were acquired (NSA/NGD = 1/30, 3/10, 3/12, and 5/6) to determine the combined effect to DTI metrics, which was based on intersubject variability and intrasession (Vintra) and intersession (Vinter) repeatability...
December 15, 2016: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/27988261/spontaneous-nasal-septal-abscess-presenting-as-a-soft-tissue-mass%C3%A2-in-a-child
#9
Yi Cai, Anjali Saqi, Joseph Haddad
BACKGROUND: Nasal septal abscess (NSA) is a rare condition most commonly seen as a complication of nasal trauma. The diagnosis of NSA requires emergent treatment, because delayed management can result in significant morbidity. Typically, NSA presents as a purulent collection that can be managed with drainage, either surgically or at bedside. CASE REPORT: We report an unusual presentation of a spontaneous NSA in a 7-year-old boy as a solid nasal mass eroding the nasal septum...
December 14, 2016: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27914842/treatment-of-comminuted-proximal-humeral-fractures-using-locking-plate-with-strut-allograft
#10
Hongeun Cha, Ki-Beom Park, Seungbae Oh, Jinyoung Jeong
BACKGROUND: This study compared the radiologic outcome of fixation using locking plate only with fixation using locking plate with an endosteal strut allograft in the treatment of comminuted proximal humeral fracture. METHODS: Among 52 patients with comminuted proximal humeral fracture, 32 patients underwent fixation with locking plate only, and 20 patients underwent fixation using locking plate with an endosteal strut allograft. The strut allograft was inserted into the intramedullary cavity of the humerus to support the humeral head and fixed with the locking plate...
November 30, 2016: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/27914660/radiographic-and-clinical-results-of-tension-suture-fixation-using-two-washers-with-philos-plate-for-proximal-humeral-fractures
#11
Chul-Hyun Cho, Du Han Kim, Beom-Soo Kim
INTRODUCTION: The purpose of this study was to evaluate the radiographic and clinical results of tension suture fixation using two washers with PHILOS plate (Synthes, West Chester, PA, USA) for proximal humeral fractures. PATIENTS AND METHODS: Consecutive 39 patients were included and divided into two groups of adequate and inadequate medial support (MS (+) group vs MS (-) group). The mean follow-up period was 45months (range: 26-69 months). The mean age at the time of surgery was 59 years (range: 17-86 years) and there were 12 men and 27 women...
November 28, 2016: Injury
https://www.readbyqxmd.com/read/27883241/neutrophil-autophagy-and-extracellular-dna-traps-contribute-to-airway-inflammation-in-severe-asthma
#12
D L Pham, G-Y Ban, S-H Kim, Y S Shin, Y-M Ye, Y-J Chwae, H-S Park
BACKGROUND: Autophagy and neutrophil extracellular DNA traps (NETs) are implicated in asthma; however, their roles in asthma pathogenesis have not been elucidated. OBJECTIVES: We compared autophagy and NET production levels from peripheral blood neutrophils (PBNs) of patients with severe asthma (SA) and non-severe asthma (NSA). Additionally, we investigated the inflammatory effects of NETs on human airway epithelial cells (AECs) and peripheral blood eosinophils (PBEs)...
January 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27863637/nasal-septal-abscess-in-association-with-pediatric-acute-rhinosinusitis
#13
REVIEW
Duc A Tien, Paul Krakovitz, Samantha Anne
INTRODUCTION: Nasal septal abscess (NSA) in the pediatric population is rare and can result in devastating complications. Objective of this study is to review a case series of pediatric patients presenting with NSA in association with acute rhinosinusitis (ARS) for possible risk factors and predisposing conditions. METHOD: This is a retrospective review of pediatric patients that presented to a tertiary care hospital with nasal septal abscess associated with ARS...
December 2016: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/27844457/application-of-the-atp-assay-to-rapidly-assess-cleanliness-of-spacecraft-surfaces-a-path-to-set-a-standard-for-future-missions
#14
James N Benardini, Kasthuri Venkateswaran
The National Aeronautics and Space Administration (NASA) measures and validates the biological cleanliness of spacecraft surfaces by counting endospores using the NASA standard assay (NSA). NASA has also approved an adenosine-5'-triphosphate (ATP)-based detection methodology as a means to prescreen surfaces for the presence of microbial contamination, prior to the spore assay. During Mars Science Laboratory (MSL) spacecraft assembly, test, and launch operations, 4853 surface samples were collected to verify compliance with the bioburden requirement at launch...
December 2016: AMB Express
https://www.readbyqxmd.com/read/27836183/neuronal-surface-antibodies-in-hiv-infected-patients-with-isolated-psychosis
#15
Vanessa Cunill, Susana Arboleya, Maria de Los Reyes Jiménez, Antoni Campins, Patricia Herbera, LLuïsa Mestre, Antonio Clemente, Maria Inés Barceló, Maria Leyes, Francesca Canellas, Maria Rosa Julià
Neuronal surface antibodies (NSA) involved in autoimmune encephalitis (AE) have been related to relapses in HVS encephalitis. Their role in non-encephalitic psychosis is controversial. We previously reported an HIV-infected patient, NSA-positive, only presenting psychosis. Therefore, we determined the NSA prevalence in a prospective cohort of 22 HIV-positive patients with psychosis and we analyzed the frequency of HIV infection among NSA tested patients due to AE suspicion. We found no NSA in the prospective cohort...
December 15, 2016: Journal of Neuroimmunology
https://www.readbyqxmd.com/read/27789188/efficacy-and-safety-of-the-glycine-transporter-type-1-inhibitor-amg-747-for-the-treatment-of-negative-symptoms-associated-with-schizophrenia
#16
Eduardo Dunayevich, Robert W Buchanan, Chao-Yin Chen, Jun Yang, Jon Nilsen, Julie M Dietrich, Hong Sun, Stephen Marder
OBJECTIVE: To determine the safety and efficacy of AMG 747, an oral inhibitor of glycine transporter type-1 (GlyT1), as an add-on to antipsychotic therapy in clinically stable people with schizophrenia with enduring negative symptoms. METHOD: Analysis of pooled data from two phase 2 studies. Adults diagnosed with schizophrenia stabilized on antipsychotic medication randomized (2:2:2:3) to orally receive daily AMG 747 (5mg, 15mg, or 40mg) or placebo. Primary endpoint was Negative Symptom Assessment (NSA)-16 total score change from baseline to week 12...
October 24, 2016: Schizophrenia Research
https://www.readbyqxmd.com/read/27756752/tsc2-deficiency-unmasks-a-novel-necrosis-pathway-that-is-suppressed-by-the-rip1-rip3-mlkl-signaling-cascade
#17
Piotr T Filipczak, Cindy Thomas, Wenshu Chen, Andrew Salzman, Jacob D McDonald, Yong Lin, Steven A Belinsky
Tuberous sclerosis complex (TSC) is a genetic multiorgan disorder characterized by the development of neoplastic lesions in kidney, lung, brain, heart, and skin. It is caused by an inactivating mutation in tumor suppressor genes coding the TSC1/TSC2 complex, resulting in the hyperactivation of mTOR- and Raf/MEK/MAPK-dependent signaling that stimulates tumor cell proliferation and metastasis. Despite its oncogenic effect, cells with TSC deficiency were more sensitive to oxidative stress and dependent on mitochondrial metabolism, providing a rationale for a new therapeutic approach...
December 15, 2016: Cancer Research
https://www.readbyqxmd.com/read/27677630/discovery-and-introgression-of-the-wild-sunflower-derived-novel-downy-mildew-resistance-gene-pl-19-in-confection-sunflower-helianthus-annuus-l
#18
Z W Zhang, G J Ma, J Zhao, S G Markell, L L Qi
A new downy mildew resistance gene, Pl 19 , was identified from wild Helianthus annuus accession PI 435414, introduced to confection sunflower, and genetically mapped to linkage group 4 of the sunflower genome. Wild Helianthus annuus accession PI 435414 exhibited resistance to downy mildew, which is one of the most destructive diseases to sunflower production globally. Evaluation of the 140 BC1F2:3 families derived from the cross of CMS CONFSCLB1 and PI 435414 against Plasmopara halstedii race 734 revealed that a single dominant gene controls downy mildew resistance in the population...
September 27, 2016: TAG. Theoretical and Applied Genetics. Theoretische und Angewandte Genetik
https://www.readbyqxmd.com/read/27592204/performance-optimization-of-lateral-displacement-estimation-with-spatial-angular-compounding
#19
Qiong He, Ling Tong, Lingyun Huang, Jing Liu, Yinran Chen, Jianwen Luo
Elastography provides tissue mechanical information to differentiate normal and disease states. Nowadays, axial displacement and strain are usually estimated in clinical practice whereas lateral estimation is rarely used given that its accuracy is typically one order of magnitude worse than that of axial estimation. To improve the performance of lateral estimation, spatial angular compounding of multiple axial displacements along ultrasound beams transmitting in different steering angles was previously proposed...
August 18, 2016: Ultrasonics
https://www.readbyqxmd.com/read/27504901/the-development-and-validation-of-attention-constructs-from-the-first-year-inventory
#20
Rebecca L Stephens, Maura Sabatos-DeVito, J Steven Reznick
Individual differences in early attention are associated with later social, cognitive, and emotional development, and attentional deficits in the first year are associated with risk for developmental disorders such as Autism Spectrum Disorder (ASD). The First Year Inventory (FYI; Baranek, Watson, Crais, & Reznick, 2003) was developed to identify 12-month-olds at risk for an ASD diagnosis. The current study identifies FYI items that reflect aspects of early attention that might predict future typical and atypical social, cognitive, and emotional development...
August 8, 2016: Psychological Assessment
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