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https://www.readbyqxmd.com/read/28731099/novel-phosphorescent-cationic-iridium-iii-complexes-with-o-carboranylation-on-the-ancillary-n-n-ligand
#1
Xiang Li, Yongheng Yin, Hong Yan, Changsheng Lu, Qiang Zhao
A novel series of heteroleptic iridium complexes with 2-phenyl-pyridine as a main ligand and carborane-functionalized 2,2'-bipyridine as an ancillary ligand were synthesized, and characterized as [Ir(ppy)2(By)]PF6 (where ppy is 2-phenyl-pyridine, By is 5-(2-R-Cb)-2,2'-bipyridine, R = H (2a), CH3 (2b), Ph (2c), iPr (2d) and iBu (2e), or By is 4-(2-R-Cb)-2,2'-bipyridine while R = H (3a), CH3 (3b), Ph (3c), iPr (3d) and iBu (3e), Cb = o-carboran-1-yl). The R groups and the substitution sites of carborane on the pyridine ring have caused differences in the emission properties of these complexes...
July 21, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/28730196/photosensitization-mechanism-of-cu-ii-porphyrins
#2
Jon Uranga, Jon M Matxain, Xabier Lopez, Jesus M Ugalde, David Casanova
This work presents the mechanism of the photoinduced generation of reactive oxygen species (ROS) by paramagnetic copper porphyrins in aqueous solution. Electronic structure calculations within the framework of the (time-dependent) density functional theory, (TD)DFT, reveal the details regarding the development of the atomistic and electronic structures of the copper porphyrin in solution along the set of chemical reactions accessible upon photoactivation. This study identifies the key parameters controlling the feasibility of the various reaction pathways that drive the formation of specific reactive oxygen species, ROS, i...
July 21, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28729915/the-concomitant-association-of-thyroid-disorders-and-myasthenia-gravis
#3
Yu-Pei Lin, Usman Iqbal, Phung-Anh Nguyen, Md Mohaimenul Islam, Suleman Atique, Wen-Shan Jian, Yu-Chuan Jack Li, Chen-Ling Huang, Chung-Huei Hsu
BACKGROUND: Some of the thyroid disorders (TD) and Myasthenia gravis (MG) are autoimmune related disease. The purpose of the study to evaluate the relationship of MG with all morphological and functional thyroid disorders. METHODS: We constructed a population-based cohort study during the period from January 2000-December 2002 by using reimbursement data from the Bureau National Health Insurance (NHI) system in Taiwan. Patients with TD and MG were identified by referring to the ICD-9-CM codes...
2017: Translational Neuroscience
https://www.readbyqxmd.com/read/28728384/analysis-of-low-marbled-hanwoo-cow-meat-aged-with-different-dry-aging-methods
#4
Hyun Jung Lee, Ju-Hui Choe, Kwan Tae Kim, Jungmin Oh, Da Gyeom Lee, Ki Moon Kwon, Yang Il Choi, Cheorun Jo
Objective: Different dry-aging methods [traditional dry-aging (TD), simplified dry-aging (SD), and SD in an aging bag (SDB)] were compared to investigate the possible use of SD and/or SDB in practical situations. Methods: Sirloins from 48 Hanwoo cows were frozen (Control, 2 days postmortem) or dry-aged for 28 days using the different aging methods and then analyzed for chemical composition, total aerobic bacteria count, shear force, inosine 5'-monophosphate (IMP) and free amino acid content, and sensory properties...
June 26, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28727836/the-disc-damage-likelihood-scale-diagnostic-accuracy-and-correlations-with-cup-to-disc-ratio-structural-tests-and-standard-automated-perimetry
#5
Andrea C Kara-José, Luiz Alberto S Melo, Bruno L B Esporcatte, Angelica T N H Endo, Mauro Toledo Leite, Ivan Maynart Tavares
Our objective was to compare the diagnostic accuracies of and to determine the correlations between the disc damage likelihood scale (DDLS) and anatomical and functional tests used for glaucoma detection. A total of 54 healthy subjects (54 eyes) and 47 primary open-angle glaucoma patients (47 eyes) were included in this cross-sectional observational study. DDLS scores and cup-to-disc (C/D) ratios were evaluated. Subjects underwent standard automated perimetry (SAP), optic disc and retinal nerve fiber layer (RNFL) imaging with time and spectral-domain optical coherence tomography (TD and SD-OCT), Heidelberg Retina Tomograph (HRT II), and scanning laser polarimetry (GDx-VCC)...
2017: PloS One
https://www.readbyqxmd.com/read/28727489/third-person-singular-s-in-typical-development-and-specific-language-impairment-input-and-neighbourhood-density
#6
Justin B Kueser, Laurence B Leonard, Patricia Deevy
The purpose of this study was to examine factors promoting the use of third person singular -s by 23 children with specific language impairment (SLI) and 21 children with typical development (TD). Relative proportions of third person singular -s forms in the input (input proportion) were calculated for 25 verbs based on data from an American English corpus of child-directed speech. Neighbourhood density values were also collected for these verbs. With previously collected probes of third person singular -s use for each of these verbs, we found with logistic regression that input proportion was positively associated with the likelihood of third person singular -s use for both groups...
July 20, 2017: Clinical Linguistics & Phonetics
https://www.readbyqxmd.com/read/28727483/pharmacological-treatment-of-tardive-dyskinesia-recent-developments
#7
Stanley N Caroff, E Cabrina Campbell, Benjamin Carroll
Tardive dyskinesia (TD) occurs in patients receiving antipsychotic treatment with dopamine receptor antagonists. Despite the prevalence of TD and its negative impact on patients' lives, there has been a lack of approved treatments and limited evidence from controlled trials of pharmacological treatment. Areas covered: PubMed was searched for English-language papers published during 2007-2016 using terms "tardive dyskinesia" or "drug-induced movement disorder", and "treatment". Studies evaluating pharmacological agents for the treatment of TD were selected...
July 20, 2017: Expert Review of Neurotherapeutics
https://www.readbyqxmd.com/read/28726283/vocal-and-gestural-productions-of-24-month-old-children-with-sex-chromosome-trisomies
#8
Laura Zampini, Lara Draghi, Gaia Silibello, Francesca Dall'Ara, Claudia Rigamonti, Chiara Suttora, Paola Zanchi, Nicoletta Salerni, Faustina Lalatta, Paola Vizziello
BACKGROUND: Children with sex chromosome trisomies (SCT) frequently show problems in language development. However, a clear description of the communicative patterns of these children is still lacking. AIMS: To describe the first stages of language development in children with SCT in comparison with those in typically developing (TD) children. The purpose was to verify the existence of possible differences in communicative skills (in both vocal and gestural modality) and identify the presence of possible early predictors (i...
July 20, 2017: International Journal of Language & Communication Disorders
https://www.readbyqxmd.com/read/28726052/transcranial-sonography-image-characteristics-in-different-parkinson-s-disease-subtypes
#9
Ai Yan Sheng, Ying Chun Zhang, Yu Jing Sheng, Cai Shan Wang, Ying Zhang, Hua Hu, Wei Feng Luo, CHun-Feng LIu
Recently, Parkinson's disease (PD) has been classified into three subtypes: postural instability gait difficulty (PIGD), tremor dominate (TD), and indeterminate PD. Transcranial sonography (TCS) is considered to be an important tool to diagnose PD. However, it is uncertain that whether there are differences in TCS image characteristics in different PD subtypes, so 373 idiopathic PD (188 PIGD, 108 TD, 77 indeterminate PD) were registered and received TCS in our investigation; also, the association between clinical characteristics and TCS results in different PD subtypes was analyzed...
July 19, 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28724367/prognostic-significance-of-perigastric-tumor-deposits-in-patients-with-primary-gastric-cancer
#10
Shrestha Anup, Jun Lu, Chao-Hui Zheng, Ping Li, Jian-Wei Xie, Jia-Bin Wang, Jian-Xian Lin, Qi-Yue Chen, Long-Long Cao, Mi Lin, Qian Yu, Ying-Hong Yang, Chang-Ming Huang
BACKGROUND: The presence and the prognostic significance of perigastric tumor deposits (TDs) in primary gastric cancer have not been extensively studied. The aim of this study was to evaluate the prognostic significance perigastric TDs in primary gastric cancer. METHODS: From 2005 to 2010, 1250 patients underwent R0 gastrectomy at the Department of Gastric Surgery, Fujian Medical University Union Hospital, Fuzhou, China. Out of 1250 patients, 132 patients with perigastric TDs were identified...
July 19, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28722041/ultrafast-dynamics-and-solvent-dependent-deactivation-kinetics-of-bodipy-molecular-rotors
#11
Tomislav Suhina, Saeed Amirjalayer, Sander Woutersen, Daniel Bonn, Albert M Brouwer
Molecular rotors based on meso-substituted boron-dipyrromethane (BODIPY) are widely recognized fluorescent viscosity sensors. The viscosity dependence of their fluorescence arises from an efficient excited-state deactivation process that can only occur when molecular-scale motion is not hindered. Here, we use visible and IR pump-probe spectroscopies combined with TD-DFT calculations to show that this fluorescence deactivation takes place through a fast and irreversible process which does not involve intermediate electronic states...
July 19, 2017: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/28721038/toxicity-based-toxicokinetic-toxicodynamic-assessment-of-bioaccumulation-and-nanotoxicity-of-zerovalent-iron-nanoparticles-in-caenorhabditis-elegans
#12
Ying-Fei Yang, Yi-Jun Lin, Chung-Min Liao
Elucidating the relationships between the toxicity-based-toxicokinetic (TBTK)/toxicodynamic (TD) properties of engineered nanomaterials and their nanotoxicity is crucial for human health-risk analysis. Zerovalent iron (Fe(0)) nanoparticles (NPs) are one of the most prominent NPs applied in remediating contaminated soils and groundwater. However, there are concerns that Fe(0)NP application contributes to long-term environmental and human health impacts. The nematode Caenorhabditis elegans is a surrogate in vivo model that has been successfully applied to assess the potential nanotoxicity of these nanomaterials...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28720480/heart-rate-variability-predicts-inhibitory-control-in-adults-with-autism-spectrum-disorders
#13
Marieke W M Kuiper, Elisabeth W M Verhoeven, Hilde M Geurts
Several studies suggest that inhibition difficulties among people with ASD might be related to atypical cardiac vagal control. We examined how low versus high baseline heart rate variability (HRV) influences prepotent response inhibition in 31 males with autism spectrum disorder (ASD; mean age: 32.2; mean IQ: 107.8) compared to 39 typically developing (TD) males (mean age: 30.5; mean IQ: 102.0) by administering a stop signal task. Moreover, we examined whether adding an affective manipulation would alter findings and whether this manipulation affected HRV...
July 15, 2017: Biological Psychology
https://www.readbyqxmd.com/read/28719282/travelers-diarrhea-and-other-gastrointestinal-symptoms-among-boston-area-international-travelers
#14
Rhett J Stoney, Pauline V Han, Elizabeth D Barnett, Mary E Wilson, Emily S Jentes, Christine M Benoit, William B MacLeod, Davidson H Hamer, Lin H Chen
AbstractThis prospective cohort study describes travelers' diarrhea (TD) and non-TD gastrointestinal (GI) symptoms among international travelers from the Boston area, the association of TD with traveler characteristics and dietary practices, use of prescribed antidiarrheal medications, and the impact of TD and non-TD GI symptoms on planned activities during and after travel. We included adults who received a pre-travel consultation at three Boston-area travel clinics and who completed a three-part survey: pre-travel, during travel, and post-travel (2-4 weeks after return)...
June 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28717223/investigation-of-the-changes-in-the-power-distribution-in-resting-state-brain-networks-associated-with-pure-conduct-disorder
#15
Jiang Zhang, Jiansong Zhou, Fengmei Lu, Liangyin Chen, Yunzhi Huang, Huafu Chen, Yutao Xiang, Gang Yang, Zhen Yuan
Conduct disorder (CD) is a psychiatric disorder in children and adolescence. To investigate changes in the power distribution in brain networks between CD and typically developing (TD) groups, resting-state functional magnetic resonance imaging (rsfMRI) data of thirty-six subjects were first recorded, and then the data were preprocessed using DPARSF and SPM8. Meanwhile, the power of the blood oxygenation level-dependent (BOLD) signals of ninety brain regions was acquired using the integral of the Welch power spectral density (PSD)...
July 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28715692/propping-the-optical-and-electronic-properties-of-potential-photo-sensitizers-with-different-%C3%AF-spacers-td-dft-insights
#16
Basant A Ali, Nageh K Allam
We report density functional theory (DFT) and time-dependent density functional theory (TD-DFT) calculations on the widely used N3 dye (cis-[Ru(2,2'-bipyridine-4,4'-dicarboxylic acid)2(NCS)2] and its trans isomer with different π-spacers. The study compared the sensitization properties of the two isomers in terms of their electronic properties such as light harvesting efficiency (LHE), absorbed wavelength (λMax) and molecular orbital distribution. Also, charge transfer descriptors, such as the charge transfer distance (D(CT)), dipole moment (μ(CT)), and the amount of charge transferred (q(CT)) were investigated...
July 12, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28715546/sensitivity-to-audiovisual-temporal-asynchrony-in-children-with-a-history-of-specific-language-impairment-and-their-peers-with-typical-development-a-replication-and-follow-up-study
#17
Natalya Kaganovich
Purpose: Earlier, my colleagues and I showed that children with a history of specific language impairment (H-SLI) are significantly less able to detect audiovisual asynchrony compared with children with typical development (TD; Kaganovich & Schumaker, 2014). Here, I first replicate this finding in a new group of children with H-SLI and TD and then examine a relationship among audiovisual function, attention skills, and language in a combined pool of children. Method: The stimuli were a pure tone and an explosion-shaped figure...
July 13, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28714935/sensory-and-physico-psychological-metaphor-comprehension-in-children-with-asd-a-preliminary-study-on-the-outcomes-of-a-treatment
#18
Sergio Melogno, Maria Antonietta Pinto, Gloria Di Filippo
Recent research into difficulties in figurative language in children with ASD highlighted that it is possible to devise training interventions to overcome these difficulties by teaching specific strategies. This study describes how children with ASD can improve their capability to explain metaphors with a treatment. Two types of metaphors, in the "X is Y" form, were addressed: sensory and physico-psychological. To face the difficulties posed by these metaphors, the adult taught two strategies: inserting the connective "is like" between "X" and "Y", which transforms the metaphor into a simile; comparing "X" and "Y" by means of thinking maps...
July 17, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28714774/small-sided-games-in-elite-soccer-does-one-size-fits-all
#19
Mathieu Lacome, Ben M Simpson, Yannick Cholley, Philippe Lambert, Martin Buchheit
PURPOSE: To compare the peak intensity of typical Small Sided Games (SSGs) with those of official matches in terms of running demands and mechanical work over different rolling average durations and playing positions. METHOD: Data were collected in 21 players (25±5 y, 181±7 cm, 77±7 kg) belonging to an elite French football team. SSG data were collected over two seasons during typical training sessions (249 files, 12±4 per player) and official matches (n=12)...
July 17, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28711186/megavoltage-2d-topographic-imaging-an-attractive-alternative-to-megavoltage-ct-for-the-localization-of-breast-cancer-patients-treated-with-tomodirect
#20
Philippe Meyer, Fabien Le Pennec, Susanta K Hui, Nicolas Dehaynin, Delphine Jarnet, Matthieu Gantier, Claudine Niederst, Christophe Mazzara, Etienne Baudrier, Vincent Noblet
PURPOSE: To show the usefulness of topographic 2D megavoltage images (MV2D) for the localization of breast cancer patients treated with TomoDirect (TD), a radiotherapy treatment technique with fixed-angle beams performed on a TomoTherapy system. METHODS: A method was developed to quickly localize breast cancer patients treated with TD by registering the MV2D images produced before a TD treatment with reference images reconstructed from a kilovoltage CT simulation scanner and by using the projection of the beam-eye-view TD treatment field...
July 2017: Physica Medica: PM
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