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https://www.readbyqxmd.com/read/29037035/computational-prediction-of-excited-state-carbon-tunneling-in-the-two-steps-of-triplet-zimmerman-di-%C3%AF-methane-rearrangement
#1
Xin Li, Tao Liao, Lung Wa Chung
The photoinduced Zimmerman di-π-methane (DPM) rearrangement of polycyclic molecules to form synthetically useful cyclopropane derivatives was found experimentally to proceed in a triplet excited state. We have applied state-of-the-art quantum mechanical methods, including M06-2X, DLPNO-CCSD(T) and variational transition-state theory with multidimensional tunneling corrections, to an investigation of the reaction rates of the two steps in the triplet DPM rearrangement of dibenzobarrelene, benzobarrelene and barrelene...
October 16, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/29016174/diverse-perspectives-are-welcome-reply-to-martin-2017
#2
Siddharth Chandra, Frederick T L Leong
Martin's (2017) comment on Chandra and Leong (2016) highlighted (a) lack of definitional clarity of the concept of adaptability, (b) conceptual generality of the model, and (c) incomplete citations of the literature on adaptability. In this reply, the authors contend that lack of definitional clarity of adaptability is symptomatic of the multitude of definitions of adaptability by psychologists of diverse persuasions. Conceptual generality of the diversified portfolio model (DPM) stems from the choice of a broad definition of adaptability, which extends beyond the narrower definitions provided by scholars including Martin, as well as the capability of the model to mesh with this broad definition...
October 2017: American Psychologist
https://www.readbyqxmd.com/read/29016173/adaptability-what-it-is-and-what-it-is-not-comment-on-chandra-and-leong-2016
#3
Andrew J Martin
Chandra and Leong (2016) propose a new model of adaptability: the diversified portfolio model (DPM) of adaptability. Further thought and research on adaptability is a welcome addition to the limited body of work conducted on this topic to date. However, in their discussion there is a lack of definitional clarity, and there is frequent conflation of adaptability and resilience. It is also the case that the hypothesized adaptability model is general and could apply to many psychological constructs and processes (not just adaptability)...
October 2017: American Psychologist
https://www.readbyqxmd.com/read/28967456/an-investigation-into-the-taxonomy-of-bacillus-aminovorans-and-its-reclassification-to-the-genus-domibacillus-as-domibacillus-aminovorans-sp-nov
#4
Ashish Verma, Anup Kumar Ojha, Yash Pal, Parveen Kumari, Peter Schumann, Harald Gruber-Vodicka, Syed G Dastager, Ramesh Kumar Natarajan, S Mayilraj, Srinivasan Krishnamurthi
The species "Bacillus aminovorans" was categorized as species Incertae Sedis meaning taxa with uncertain taxonomic position because of insufficient description of phenotypic properties and lack of understanding of its phylogenetic relationship (Claus and Berkeley [5]). In this study two strains "B. aminovorans" DSM 1314(T) and DSM 4337 were phenotypically and phylogenomically analyzed. The strains are Gram-staining-positive, spore forming rods and unable to utilize/ferment most of the sugars tested except glucose...
August 18, 2017: Systematic and Applied Microbiology
https://www.readbyqxmd.com/read/28967277/pulmonary-toxicity-following-acute-coexposures-to-diesel-particulate-matter-and-%C3%AE-quartz-crystalline-silica-in-the-sprague-dawley-rat
#5
Breanne Y Farris, James M Antonini, Jeffrey S Fedan, Robert R Mercer, Katherine A Roach, Bean T Chen, Diane Schwegler-Berry, Michael L Kashon, Mark W Barger, Jenny R Roberts
The effects of acute pulmonary coexposures to silica and diesel particulate matter (DPM), which may occur in various mining operations, were investigated in vivo. Rats were exposed by intratracheal instillation (IT) to silica (50 or 233 µg), DPM (7.89 or 50 µg) or silica and DPM combined in phosphate-buffered saline (PBS) or to PBS alone (control). At one day, one week, one month, two months and three months postexposure bronchoalveolar lavage and histopathology were performed to assess lung injury, inflammation and immune response...
October 1, 2017: Inhalation Toxicology
https://www.readbyqxmd.com/read/28958597/efficacy-and-effectiveness-of-on-versus-off-pump-coronary-artery-bypass-grafting-a-meta-analysis-of-mortality-and-survival
#6
Giovanni Filardo, Baron L Hamman, Briget da Graca, Danielle M Sass, Natalie J Machala, Safiyah Ismail, Benjamin D Pollock, Ashley W Collinsworth, Paul A Grayburn
BACKGROUND: Despite many studies comparing on- versus off-pump coronary artery bypass graft (CABG), there is no consensus as to whether one of these techniques offers patients better outcomes. METHODS: We searched PubMed from inception to June 30, 2015, and identified additional studies from bibliographies of meta-analyses and reviews. We identified 42 randomized controlled trials (RCTs) and 31 rigorously adjusted observational studies (controlling for the Society of Thoracic Surgeons-recognized risk factors for mortality) reporting mortality for off-pump versus on-pump CABG at specified time points...
September 1, 2017: Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/28949870/decision-making-in-pediatric-oncology-views-of-parents-and-physicians-in-two-european-countries
#7
Domnita O Badarau, Katharina Ruhe, Thomas Kühne, Eva De Clercq, Anca Colita, Bernice S Elger, Tenzin Wangmo
BACKGROUND: Decision making is a highly complex task when providing care for seriously ill children. Physicians, parents, and children face many challenges when identifying and selecting from available treatment options. METHODS: This qualitative interview study explored decision-making processes for children with cancer at different stages in their treatment in Switzerland and Romania. RESULTS: Thematic analysis of interviews conducted with parents and oncologists identified decision making as a heterogeneous process in both countries...
January 2017: AJOB Empirical Bioethics
https://www.readbyqxmd.com/read/28940402/diffuse-peritoneal-mesothelioma-a-case-series-of-62-patients-including-paraoccupational-exposures-to-chrysotile-asbestos
#8
Richard L Kradin, George Eng, David C Christiani
BACKGROUND: Diffuse peritoneal malignant mesothelioma (DPM) is caused by exposure to asbestos. The medical literature has linked DPM primarily to high levels of asbestos exposure, in particular amosite. Controversy persists as to whether chrysotile is capable of causing DPM, especially when exposures are paraoccupational. METHODS: Sixty-two subjects (51 men, 11 women) with DPM were reviewed in medical-legal consultation with deposition and product identification evidence...
November 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28931572/drosophila-neprilysin-1-rescues-memory-deficits-caused-by-amyloid-%C3%AE-peptide
#9
Oriane Turrel, Valérie Goguel, Thomas Preat
Neprilysins are type-II metalloproteinases known to degrade and inactivate a number of small peptides, in particular the mammalian amyloid-β peptide (Aβ). In Drosophila, several neprilysins expressed in the brain are required for middle-term (MTM) and long-term memory (LTM) in the dorsal paired medial (DPM) neurons, a pair of large neurons that broadly innervate the mushroom bodies (MB), the center of olfactory memory. These data indicate that one or several peptides need to be degraded for MTM and LTM. We have previously shown that the fly amyloid precursor protein (APPL) is required for memory in the MB...
September 20, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28903682/differential-and-domain-specific-associations-among-right-wing-authoritarianism-social-dominance-orientation-and-adolescent-delinquency
#10
Benjamin Oosterhoff, Natalie J Shook, Russ Clay, Aaron Metzger
Using a dual-process model (DPM) framework, this research examined whether right-wing authoritarianism (RWA) and social dominance orientation (SDO) are differentially associated with adolescent delinquency. In Study 1 ( N = 847; Mage = 15.96) and Study 2 ( N = 340; Mage = 16.64), adolescents completed measures of RWA, SDO, and engagement in different forms of delinquency. In Study 2, adolescents also reported their beliefs about obeying different laws. Across both studies, adolescents who endorsed greater RWA engaged in lower levels of delinquency and those who endorsed greater SDO engaged in higher levels of delinquency...
September 2017: Personality & Social Psychology Bulletin
https://www.readbyqxmd.com/read/28890839/dpm-dispersion-inside-a-single-straight-entry-using-dynamic-mesh-model
#11
Yi Zheng, Ying Li, Magesh Thiruvengadam, Hai Lan, Jerry C Tien
Three-dimensional simulations of diesel particulate matter (DPM) distribution inside a single straight entry for the Load-Haul-Dump loader (LHD)-truck loading and truck hauling operations were conducted by using ANSYS FLUENT computational fluid dynamics software. The loading operation was performed for a fixed period of 3 min. The dynamic mesh technique in FLUENT was used to study the impact of truck motion on DPM distribution. The resultant DPM distributions are presented for the cases when the truck were driving upstream and downstream of the loading face...
2017: International Journal of Coal Science & Technology
https://www.readbyqxmd.com/read/28869407/characterization-of-feedback-resistant-mevalonate-kinases-from-the-methanogenic-archaeons-methanosaeta-concilii-and-methanocella-paludicola
#12
Ekaterina Kazieva, Yoko Yamamoto, Yoshinori Tajima, Keiichi Yokoyama, Joanna Katashkina, Yousuke Nishio
The inhibition of mevalonate kinase (MVK) by downstream metabolites is an important mechanism in the regulation of isoprenoid production in a broad range of organisms. The first feedback-resistant MVK was previously discovered in the methanogenic archaeon Methanosarcinamazei. Here, we report the cloning, expression, purification, kinetic characterization and inhibition analysis of MVKs from two other methanogens, Methanosaetaconcilii and Methanocellapaludicola. Similar to the M. mazei MVK, these enzymes were not inhibited by diphosphomevalonate (DPM), dimethylallyl diphosphate (DMAPP), isopentenyldiphosphate (IPP), geranylpyrophosphate (GPP) or farnesylpyrophosphate (FPP)...
September 4, 2017: Microbiology
https://www.readbyqxmd.com/read/28852651/the-effect-of-adherence-to-dietary-tracking-on-weight-loss-using-hlm-to-model-weight-loss-over-time
#13
John Spencer Ingels, Ranjita Misra, Jonathan Stewart, Brandon Lucke-Wold, Samantha Shawley-Brzoska
The role of dietary tracking on weight loss remains unexplored despite being part of multiple diabetes and weight management programs. Hence, participants of the Diabetes Prevention and Management (DPM) program (12 months, 22 sessions) tracked their food intake for the duration of the study. A scatterplot of days tracked versus total weight loss revealed a nonlinear relationship. Hence, the number of possible tracking days was divided to create the 3 groups of participants: rare trackers (<33% total days tracked), inconsistent trackers (33-66% total days tracked), and consistent trackers (>66% total days tracked)...
2017: Journal of Diabetes Research
https://www.readbyqxmd.com/read/28825627/dual-quaternions-as-constraints-in-4d-dpm-models-for-pose-estimation
#14
Enrique Martinez-Berti, Antonio-José Sánchez-Salmerón, Carlos Ricolfe-Viala
The goal of this research work is to improve the accuracy of human pose estimation using the Deformation Part Model (DPM) without increasing computational complexity. First, the proposed method seeks to improve pose estimation accuracy by adding the depth channel to DPM, which was formerly defined based only on red-green-blue (RGB) channels, in order to obtain a four-dimensional DPM (4D-DPM). In addition, computational complexity can be controlled by reducing the number of joints by taking it into account in a reduced 4D-DPM...
August 19, 2017: Sensors
https://www.readbyqxmd.com/read/28803818/a-homozygous-dpm3-mutation-in-a-patient-with-alpha-dystroglycan-related-limb-girdle-muscular-dystrophy
#15
P Y K Van den Bergh, Y Sznajer, V Van Parys, W van Tol, R A Wevers, D J Lefeber, L Xu, M Lek, D G MacArthur, K Johnson, L Phillips, A Töpf, V Straub
Defects of O-linked glycosylation of alpha-dystroglycan cause a wide spectrum of muscular dystrophies ranging from severe congenital muscular dystrophy associated with abnormal brain and eye development to mild limb girdle muscular dystrophy. We report a female patient who developed isolated pelvic girdle muscle weakness and wasting, which became symptomatic at age 42. Exome sequencing uncovered a homozygous c.131T > G (p.Leu44Pro) substitution in DPM3, encoding dolichol-P-mannose (DPM) synthase subunit 3, leading to a 50% reduction of enzymatic activity...
July 17, 2017: Neuromuscular Disorders: NMD
https://www.readbyqxmd.com/read/28797176/living-with-chronic-headache-a-qualitative-study-exploring-goal-management-in-chronic-headache
#16
Yvette Ciere, Annemieke Visser, Bram Jacobs, Marielle Padberg, John Lebbink, Robbert Sanderman, Joke Fleer
OBJECTIVES: Effective goal management may potentially prevent or reduce disability in chronic pain. The aim of this study was to gain insight into the nature of goal management in the context of chronic headache (CH). METHODS: Interviews with 20 patients were conducted, coded, and analyzed using a combined data-driven and theory-driven approach. The dual process model (DPM) was used as a theoretical framework for this study. RESULTS: Participants used a combination of strategies to regain and maintain a balance between personal goals and resources available for goal pursuit...
August 10, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28741725/cell-derived-micro-environment-helps-dental-pulp-stem-cells-promote-dental-pulp-regeneration
#17
Xuexin Zhang, Hui Li, Jingjing Sun, Xiangyou Luo, Hefeng Yang, Li Xie, Bo Yang, Weihua Guo, Weidong Tian
OBJECTIVES: The function of the dental pulp is closely connected to the extracellular matrix (ECM) structure, and ECM has received significant attention due to its biological functions for regulating cells. As such, the interaction between the ECM niche and cells is worth exploring for potential clinical uses. MATERIALS AND METHODS: In this study, dental pulp stem cell (DPSC)-derived ECM (DPM) was prepared through cell culture and decellularization to function as the cell niche, and changes in DPSC behaviour and histological analysis of dental pulp tissue regeneration were evaluated following the DPM culture...
October 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28740850/the-role-of-dog-population-management-in-rabies-elimination-a-review-of-current-approaches-and-future-opportunities
#18
REVIEW
Louise H Taylor, Ryan M Wallace, Deepashree Balaram, Joann M Lindenmayer, Douglas C Eckery, Beryl Mutonono-Watkiss, Ellie Parravani, Louis H Nel
Free-roaming dogs and rabies transmission are integrally linked across many low-income countries, and large unmanaged dog populations can be daunting to rabies control program planners. Dog population management (DPM) is a multifaceted concept that aims to improve the health and well-being of free-roaming dogs, reduce problems they may cause, and may also aim to reduce dog population size. In theory, DPM can facilitate more effective rabies control. Community engagement focused on promoting responsible dog ownership and better veterinary care could improve the health of individual animals and dog vaccination coverage, thus reducing rabies transmission...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28677718/upper-limit-to-the-ultimate-achievable-emission-wavelength-in-near-ir-emitting-cyclometalated-iridium-complexes
#19
Marta Penconi, Marco Cazzaniga, Sagar Kesarkar, Patrizia R Mussini, Davide Ceresoli, Alberto Bossi
Iridium complexes bearing cyclometalated (C^N) ligands are the current emitters of choice for efficient phosphorescent organic light emitting diodes (OLEDs). Homoleptic iridium complexes Ir(C^N)3 and the analogous heteroleptic ones carrying a β-diketonate ancillary ligand (C^N)2Ir(O^O) often exhibit similar photophysical properties and device performances; the choice among them usually depends both on the yield/ease of the respective synthetic preparations as well as on the device fabrication methods (i.e...
August 9, 2017: Photochemical & Photobiological Sciences
https://www.readbyqxmd.com/read/28676653/diffraction-phase-microscopy-imaging-and-multi-physics-modeling-of-the-nanoscale-thermal-expansion-of-a-suspended-resistor
#20
Xiaozhen Wang, Tianjian Lu, Xin Yu, Jian-Ming Jin, Lynford L Goddard
We studied the nanoscale thermal expansion of a suspended resistor both theoretically and experimentally and obtained consistent results. In the theoretical analysis, we used a three-dimensional coupled electrical-thermal-mechanical simulation and obtained the temperature and displacement field of the suspended resistor under a direct current (DC) input voltage. In the experiment, we recorded a sequence of images of the axial thermal expansion of the central bridge region of the suspended resistor at a rate of 1...
July 4, 2017: Scientific Reports
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