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https://www.readbyqxmd.com/read/28445765/in-line-monitoring-and-optimization-of-powder-flow-in-a-simulated-continuous-process-using-transmission-near-infrared-spectroscopy
#1
Md Anik Alam, Zhenqi Shi, James K Drennen, Carl A Anderson
In-line monitoring of continuous powder flow is an integral part of the continuous manufacturing process of solid oral dosage forms in the pharmaceutical industry. Specifically, monitoring downstream from loss-in-weight (LIW) feeders and/or continuous mixers provides important data about the state of the process. Such measurements support control of the process and thereby enhance product quality. Near Infrared Spectroscopy (NIRS) is a potential PAT tool to monitor the homogeneity of a continuous powder flow stream in pharmaceutical manufacturing...
April 23, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28416574/a-glutamate-substituted-mutant-mimics-the-phosphorylated-and-active-form-of-guanylyl-cyclase-a
#2
Neil M Otto, William G McDowell, Deborah M Dickey, Lincoln R Potter
Multisite phosphorylation is required for activation of guanylyl cyclase (GC)-A, also known as NPR-A or NPR1, by cardiac natriuretic peptides (NPs). Seven chemically identified sites (Ser-487, Ser-497, Thr-500, Ser-502, Ser-506, Ser-510, Thr-513) and one functionally identified putative site (Ser-473) were reported. Single alanine substitutions for Ser-497, Thr-500, Ser-502, Ser-506 and Ser-510 reduced maximal velocity (Vmax), while glutamate substitutions had no effect or increased Vmax. Ala but not Glu substitution for Ser-497 increased the Michaelis constant (Km) ~400%...
April 17, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28406379/the-neural-basis-of-independence-versus-interdependence-orientations-a-voxel-based-morphometric-analysis-of-brain-volume
#3
Fei Wang, Kaiping Peng, Magdalena Chechlacz, Glyn W Humphreys, Jie Sui
Sociocultural research has established independence and interdependence as two fundamental ways of thinking about oneself and the social world. Recent neuroscience studies further demonstrate that these orientations modulate brain activity in various self- and socially related tasks. In the current study, we explored whether the traits of independence and interdependence are reflected in anatomical variations in brain structure. We carried out structural brain imaging on a large sample of healthy participants ( n = 265) who also completed self-report questionnaires of cultural orientations...
April 2017: Psychological Science
https://www.readbyqxmd.com/read/28382758/coaching-is-teamwork-the-role-of-need-supportive-coaching-and-the-motivational-climate-in-stimulating-proactivity-in-volleyball-teams
#4
Stef Van Puyenbroeck, Jeroen Stouten, Gert Vande Broek
Team sports settings are challenging, dynamic environments in which coaches often benefit from proactive players who take initiative in providing valuable suggestions and feedback. Based on self-determination theory and achievement goal theory, the present study examined the mediating role of a mastery and performance motivational climate in the positive relation between coaches' psychological need-supportive behavior and team athletes' proactivity. The study sample consisted of 75 male and 105 female volleyball players (Mage = 21...
April 6, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28377786/unveiling-the-impact-of-the-genomic-architecture-on-the-evolution-of-vertebrate-micrornas
#5
REVIEW
Gustavo S França, Ludwig C Hinske, Pedro A F Galante, Maria D Vibranovski
Eukaryotic genomes frequently exhibit interdependency between transcriptional units, as evidenced by regions of high gene density. It is well recognized that vertebrate microRNAs (miRNAs) are usually embedded in those regions. Recent work has shown that the genomic context is of utmost importance to determine miRNA expression in time and space, thus affecting their evolutionary fates over long and short terms. Consequently, understanding the inter- and intraspecific changes on miRNA genomic architecture may bring novel insights on the basic cellular processes regulated by miRNAs, as well as phenotypic evolution and disease-related mechanisms...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28373363/re-engineering-the-pancreas-tumor-microenvironment-a-regenerative-program-hacked
#6
EDITORIAL
Gerard I Evan, Nasun Hah, Trevor D Littlewood, Nicole M Sodir, Tania Campos, Michael Downes, Ronald M Evans
The "hallmarks" of pancreatic ductal adenocarcinoma (PDAC) include proliferative, invasive, and metastatic tumor cells and an associated dense desmoplasia comprised of fibroblasts, pancreatic stellate cells, extracellular matrix, and immune cells. The oncogenically activated pancreatic epithelium and its associated stroma are obligatorily interdependent, with the resulting inflammatory and immunosuppressive microenvironment contributing greatly to the evolution and maintenance of PDAC. The peculiar pancreas-specific tumor phenotype is a consequence of oncogenes hacking the resident pancreas regenerative program, a tissue-specific repair mechanism regulated by discrete super enhancer networks...
April 1, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28346850/risk-factors-related-to-lower-limb-edema-compression-and-physical-activity-during-pregnancy-a-retrospective-study
#7
Katarzyna Ochalek, Katarzyna Pacyga, Marta Curyło, Aleksandra Frydrych-Szymonik, Zbigniew Szygula
OBJECTIVE: The aim of the article was to assess risk factors and to analyze methods applied in the prevention and treatment of lower limb edema in pregnant women with a particular focus on compression therapy and exercise. MATERIALS AND METHODS: Fifty-four women during the early 24-hour period following delivery were assigned to two groups-either to a group with swellings of lower limbs during pregnancy, located mostly in the region of feet and lower legs (Group A, n = 42), or to a group without edema (Group B, n = 12)...
March 27, 2017: Lymphatic Research and Biology
https://www.readbyqxmd.com/read/28344551/construction-and-analysis-of-weighted-brain-networks-from-sice-for-the-study-of-alzheimer-s-disease
#8
Jorge Munilla, Andrés Ortiz, Juan M Górriz, Javier Ramírez
Alzheimer's Disease (AD) is the most common neurodegenerative disease in elderly people, and current drugs, unfortunately, do not represent yet a cure but only slow down its progression. This is explained, at least in part, because the understanding of the neurodegenerative process is still incomplete, being sometimes mistaken, particularly at the first steps of the illness, with the natural aging process. A better identification of how the functional activity deteriorates is thus crucial to develop new and more effective treatments...
2017: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/28337662/a83-01-inhibits-tgf-%C3%AE-induced-upregulation-of-wnt3-and-epithelial-to-mesenchymal-transition-in-her2-overexpressing-breast-cancer-cells
#9
Yanyuan Wu, Trinh Tran, Sami Dwabe, Marianna Sarkissyan, Juri Kim, Miguel Nava, Sheilah Clayton, Richard Pietras, Robin Farias-Eisner, Jaydutt V Vadgama
PURPOSE: The aim of this study is to investigate the mechanisms of interactions between TGF-β and Wnt/β-catenin pathways that induce and regulate EMT and promote breast cancer cells to become resistant to treatment. METHODS: The effect of TGF-β on Wnt/β-catenin signaling pathway was examined by using a human Wnt/β-catenin-regulated cDNA plate array and western blot analysis. The interaction of Twist at promoter of Wnt3 was examined by chromatin immunoprecipitation (ChIP) assay...
March 23, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28334680/assessing-driving-forces-of-land-use-and-land-cover-change-by-a-mixed-method-approach-in-north-eastern-ghana-west-africa
#10
Janina Kleemann, Gülendam Baysal, Henry N N Bulley, Christine Fürst
Land use and land cover change (LULCC) is the result of complex human-environmental interactions. The high interdependencies in social-ecological systems make it difficult to identify the main drivers. However, knowledge of key drivers of LULCC, including indirect (underlying) drivers which cannot be easily determined by spatial or economic analyses, is essential for land use planning and especially important in developing countries. We used a mixed-method approach in order to detect drivers of LULCC in the Upper East Region of northern Ghana by different qualitative and quantitative methods which were compared in a confidence level analysis...
March 20, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28334351/effects-of-antenatal-maternal-depressive-symptoms-and-socio-economic-status-on-neonatal-brain-development-are-modulated-by-genetic-risk
#11
Anqi Qiu, Mojun Shen, Claudia Buss, Yap-Seng Chong, Kenneth Kwek, Seang-Mei Saw, Peter D Gluckman, Pathik D Wadhwa, Sonja Entringer, Martin Styner, Neerja Karnani, Christine M Heim, Kieran J O'Donnell, Joanna D Holbrook, Marielle V Fortier, Michael J Meaney
This study included 168 and 85 mother-infant dyads from Asian and United States of America cohorts to examine whether a genomic profile risk score for major depressive disorder (GPRSMDD) moderates the association between antenatal maternal depressive symptoms (or socio-economic status, SES) and fetal neurodevelopment, and to identify candidate biological processes underlying such association. Both cohorts showed a significant interaction between antenatal maternal depressive symptoms and infant GPRSMDD on the right amygdala volume...
March 18, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/28273267/-the-complexity-of-articulating-rights-nutrition-and-care
#12
Laura Cecilia Pautassi
This article analyzes the existing tensions between the recognition of human rights - especially the right to adequate food as it is defined in international agreements and treaties - and the insufficient connection made with care, understood as the set of activities necessary to satisfy the basic needs of existence and human and social reproduction. Applying a methodological approach based in rights and gender, the article analyzes, on one hand, the scope of the right to food and its impact at the level of public institutionality, and on the other, the recent recognition of care as a right at a regional level and its persistent invisibilization in public policies...
October 2016: Salud Colectiva
https://www.readbyqxmd.com/read/28267154/natural-hazard-management-from-a-coevolutionary-perspective-exposure-and-policy-response-in-the-european-alps
#13
Sven Fuchs, Veronika Röthlisberger, Thomas Thaler, Andreas Zischg, Margreth Keiler
A coevolutionary perspective is adopted to understand the dynamics of exposure to mountain hazards in the European Alps. A spatially explicit, object-based temporal assessment of elements at risk to mountain hazards (river floods, torrential floods, and debris flows) in Austria and Switzerland is presented for the period from 1919 to 2012. The assessment is based on two different data sets: (1) hazard information adhering to legally binding land use planning restrictions and (2) information on building types combined from different national-level spatial data...
March 4, 2017: Annals of the American Association of Geographers
https://www.readbyqxmd.com/read/28226302/towards-a-theoretical-model-on-medicines-as-a-health-need
#14
Claudia Marcela Vargas-Peláez, Luciano Soares, Marina Raijche Mattozo Rover, Carine Raquel Blatt, Aukje Mantel-Teeuwisse, Francisco Augusto Rossi Buenaventura, Luis Guillermo Restrepo, María Cristina Latorre, José Julián López, María Teresa Bürgin, Consuelo Silva, Silvana Nair Leite, Farias Mareni Rocha
Medicines are considered one of the main tools of western medicine to resolve health problems. Currently, medicines represent an important share of the countries' healthcare budget. In the Latin America region, access to essential medicines is still a challenge, although countries have established some measures in the last years in order to guarantee equitable access to medicines. A theoretical model is proposed for analysing the social, political, and economic factors that modulate the role of medicines as a health need and their influence on the accessibility and access to medicines...
February 15, 2017: Social Science & Medicine
https://www.readbyqxmd.com/read/28221134/human-nup98-regulates-the-localization-and-activity-of-dexh-d-box-helicase-dhx9
#15
Juliana S Capitanio, Ben Montpetit, Richard W Wozniak
Beyond their role at nuclear pore complexes, some nucleoporins function in the nucleoplasm. One such nucleoporin, Nup98, binds chromatin and regulates gene expression. To gain insight into how Nup98 contributes to this process, we focused on identifying novel binding partners and understanding the significance of these interactions. Here we report on the identification of the DExH/D-box helicase DHX9 as an intranuclear Nup98 binding partner. Various results, including in vitro assays, show that the FG/GLFG region of Nup98 binds to N- and C-terminal regions of DHX9 in an RNA facilitated manner...
February 21, 2017: ELife
https://www.readbyqxmd.com/read/28186186/p113-is-a-merozoite-surface-protein-that-binds-the-n-terminus-of-plasmodium-falciparum-rh5
#16
Francis Galaway, Laura G Drought, Maria Fala, Nadia Cross, Alison C Kemp, Julian C Rayner, Gavin J Wright
Invasion of erythrocytes by Plasmodium falciparum merozoites is necessary for malaria pathogenesis and is therefore a primary target for vaccine development. RH5 is a leading subunit vaccine candidate because anti-RH5 antibodies inhibit parasite growth and the interaction with its erythrocyte receptor basigin is essential for invasion. RH5 is secreted, complexes with other parasite proteins including CyRPA and RIPR, and contains a conserved N-terminal region (RH5Nt) of unknown function that is cleaved from the native protein...
February 10, 2017: Nature Communications
https://www.readbyqxmd.com/read/28140338/a-monte-carlo-study-of-i-125-prostate-brachytherapy-with-gold-nanoparticles-dose-enhancement-with-simultaneous-rectal-dose-sparing-via-radiation-shielding
#17
D Brivio, P L Nguyen, E Sajo, W Ngwa, P Zygmanski
We investigate via Monte Carlo simulations a new (125)I brachytherapy treatment technique for high-risk prostate cancer patients via injection of Au nanoparticle (AuNP) directly into the prostate. The purpose of using the nanoparticles is to increase the therapeutic index via two synergistic effects: enhanced energy deposition within the prostate and simultaneous shielding of organs at risk from radiation escaping from the prostate. Both uniform and non-uniform concentrations of AuNP are studied. The latter are modeled considering the possibility of AuNP diffusion after the injection using brachy needles...
March 7, 2017: Physics in Medicine and Biology
https://www.readbyqxmd.com/read/28129006/acceptance-of-primary-practitioner-physiotherapists-in-an-emergency-department-a-qualitative-study-of-interprofessional-collaboration-within-workforce-reform
#18
Julia Coyle, Stephen D Gill
Primary contact practitioner physiotherapists (PPs) are increasingly common in emergency departments (EDs) and provide targeted care to people with uncomplicated musculoskeletal conditions such as sprains, strains, and simple fractures. Workforce redesign can be challenging and success is influenced by staff attitude and opinion. The current study aimed to explore the experiences and perceptions of ED team members about a recently introduced PP service on existing staff and services in a large regional ED. Forty-two staff from eight professional groups participated in semi-structured interviews or focus groups which were audio recorded and field notes were taken...
January 27, 2017: Journal of Interprofessional Care
https://www.readbyqxmd.com/read/28112460/from-hippocampus-to-whole-brain-the-role-of-integrative-processing-in-episodic-memory-retrieval
#19
Benjamin R Geib, Matthew L Stanley, Nancy A Dennis, Marty G Woldorff, Roberto Cabeza
Multivariate functional connectivity analyses of neuroimaging data have revealed the importance of complex, distributed interactions between disparate yet interdependent brain regions. Recent work has shown that topological properties of functional brain networks are associated with individual and group differences in cognitive performance, including in episodic memory. After constructing functional whole-brain networks derived from an event-related fMRI study of memory retrieval, we examined differences in functional brain network architecture between forgotten and remembered words...
April 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28072853/terrestrial-macrofungal-diversity-from-the-tropical-dry-evergreen-biome-of-southern-india-and-its-potential-role-in-aerobiology
#20
Hema Priyamvada, M Akila, Raj Kamal Singh, R Ravikrishna, R S Verma, Ligy Philip, R R Marathe, L K Sahu, K P Sudheer, S S Gunthe
Macrofungi have long been investigated for various scientific purposes including their food and medicinal characteristics. Their role in aerobiology as a fraction of the primary biological aerosol particles (PBAPs), however, has been poorly studied. In this study, we present a source of macrofungi with two different but interdependent objectives: (i) to characterize the macrofungi from a tropical dry evergreen biome in southern India using advanced molecular techniques to enrich the database from this region, and (ii) to assess whether identified species of macrofungi are a potential source of atmospheric PBAPs...
2017: PloS One
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