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https://www.readbyqxmd.com/read/29458207/co-spray-drying-of-hygroscopic-kanamycin-with-the-hydrophobic-drug-rifampicin-to-improve-the-aerosolization-of-kanamycin-powder-for-treating-respiratory-infections
#1
Mohammad A M Momin, Ian G Tucker, Colin S Doyle, John A Denman, Shubhra Sinha, Shyamal C Das
High dose delivery of drugs to the lung using a dry powder inhaler (DPI) is an emerging approach to combat drug-resistant local infections. To achieve this, highly aerosolizable powders are required. We hypothesized that co-spray-drying kanamycin, a hydrophilic hygroscopic antibiotic, with rifampicin, a hydrophobic antibiotic, would produce inhalable particles with surfaces enriched in rifampicin. Such particles would have higher aerosolization than kanamycin alone, and minimise the mass of powder for inhalation avoiding use of non-active excipients...
February 16, 2018: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29457776/free-anchored-nb2o5-graphene-networks-for-ultrafast-stable-lithium-storage
#2
Qinglin Deng, Mengjiao Li, Junyong Wang, Kai Jiang, Zhigao Hu, Junhao Chu
Orthorhombic Nb$_2$O$_5$ (T-Nb$_2$O$_5$) has structural merit but poor electrical conductivity, limiting their applications in energy storage. Although graphene is frequently adopted to effectively improve its electrochemical properties, the ordinary modified methods cannot meet the growing demands for high-performance. Here, we demonstrate that different graphene modified routes play a vital role in affecting the electrochemical performances of T-Nb$_2$O$_5$. By only manual shaking within one minute, Nb$_2$O$_5$ nano-particles can be rapidly adsorbed onto graphene, then the free-anchored T-Nb$_2$O$_5$@graphene three-dimensional networks (NG-3D) can be successfully prepared based on hydrogel method...
February 19, 2018: Nanotechnology
https://www.readbyqxmd.com/read/29457348/fixed-dose-vs-free-dose-combinations-for-the-management-of-hypertension-an-analysis-of-81-958-patients
#3
Peter Bramlage, Stefanie Schmidt, Helen Sims
Fixed-dose combinations (FDC) have been developed to reduce the pill burden for hypertensive patients. Data on fixed-dose or free-dose (freeDC) ramipril/amlodipine (R/A) or candesartan/amlodipine (C/A) combination treatment initiation were assessed. 71 463 patients were prescribed R/A and 10 495 C/A. For both R/A and C/A, FDC patients were younger (both P < .001) and less comorbid. Prior MI (OR: 0.61 and 0.60), prior stroke (OR: 0.68 and 0.70) and CHD (OR: 0.68 and 0.64) were negatively associated with FDC use, whereas hyperlipidemia was positively associated (OR: 1...
February 19, 2018: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/29455858/a-large-scale-multi-ancestry-genome-wide-study-accounting-for-smoking-behavior-identifies-multiple-significant-loci-for-blood-pressure
#4
Yun J Sung, Thomas W Winkler, Lisa de Las Fuentes, Amy R Bentley, Michael R Brown, Aldi T Kraja, Karen Schwander, Ioanna Ntalla, Xiuqing Guo, Nora Franceschini, Yingchang Lu, Ching-Yu Cheng, Xueling Sim, Dina Vojinovic, Jonathan Marten, Solomon K Musani, Changwei Li, Mary F Feitosa, Tuomas O Kilpeläinen, Melissa A Richard, Raymond Noordam, Stella Aslibekyan, Hugues Aschard, Traci M Bartz, Rajkumar Dorajoo, Yongmei Liu, Alisa K Manning, Tuomo Rankinen, Albert Vernon Smith, Salman M Tajuddin, Bamidele O Tayo, Helen R Warren, Wei Zhao, Yanhua Zhou, Nana Matoba, Tamar Sofer, Maris Alver, Marzyeh Amini, Mathilde Boissel, Jin Fang Chai, Xu Chen, Jasmin Divers, Ilaria Gandin, Chuan Gao, Franco Giulianini, Anuj Goel, Sarah E Harris, Fernando Pires Hartwig, Andrea R V R Horimoto, Fang-Chi Hsu, Anne U Jackson, Mika Kähönen, Anuradhani Kasturiratne, Brigitte Kühnel, Karin Leander, Wen-Jane Lee, Keng-Hung Lin, Jian 'an Luan, Colin A McKenzie, He Meian, Christopher P Nelson, Rainer Rauramaa, Nicole Schupf, Robert A Scott, Wayne H H Sheu, Alena Stančáková, Fumihiko Takeuchi, Peter J van der Most, Tibor V Varga, Heming Wang, Yajuan Wang, Erin B Ware, Stefan Weiss, Wanqing Wen, Lisa R Yanek, Weihua Zhang, Jing Hua Zhao, Saima Afaq, Tamuno Alfred, Najaf Amin, Dan Arking, Tin Aung, R Graham Barr, Lawrence F Bielak, Eric Boerwinkle, Erwin P Bottinger, Peter S Braund, Jennifer A Brody, Ulrich Broeckel, Claudia P Cabrera, Brian Cade, Yu Caizheng, Archie Campbell, Mickaël Canouil, Aravinda Chakravarti, Ganesh Chauhan, Kaare Christensen, Massimiliano Cocca, Francis S Collins, John M Connell, Renée de Mutsert, H Janaka de Silva, Stephanie Debette, Marcus Dörr, Qing Duan, Charles B Eaton, Georg Ehret, Evangelos Evangelou, Jessica D Faul, Virginia A Fisher, Nita G Forouhi, Oscar H Franco, Yechiel Friedlander, He Gao, Bruna Gigante, Misa Graff, C Charles Gu, Dongfeng Gu, Preeti Gupta, Saskia P Hagenaars, Tamara B Harris, Jiang He, Sami Heikkinen, Chew-Kiat Heng, Makoto Hirata, Albert Hofman, Barbara V Howard, Steven Hunt, Marguerite R Irvin, Yucheng Jia, Roby Joehanes, Anne E Justice, Tomohiro Katsuya, Joel Kaufman, Nicola D Kerrison, Chiea Chuen Khor, Woon-Puay Koh, Heikki A Koistinen, Pirjo Komulainen, Charles Kooperberg, Jose E Krieger, Michiaki Kubo, Johanna Kuusisto, Carl D Langefeld, Claudia Langenberg, Lenore J Launer, Benjamin Lehne, Cora E Lewis, Yize Li, Sing Hui Lim, Shiow Lin, Ching-Ti Liu, Jianjun Liu, Jingmin Liu, Kiang Liu, Yeheng Liu, Marie Loh, Kurt K Lohman, Jirong Long, Tin Louie, Reedik Mägi, Anubha Mahajan, Thomas Meitinger, Andres Metspalu, Lili Milani, Yukihide Momozawa, Andrew P Morris, Thomas H Mosley, Peter Munson, Alison D Murray, Mike A Nalls, Ubaydah Nasri, Jill M Norris, Kari North, Adesola Ogunniyi, Sandosh Padmanabhan, Walter R Palmas, Nicholette D Palmer, James S Pankow, Nancy L Pedersen, Annette Peters, Patricia A Peyser, Ozren Polasek, Olli T Raitakari, Frida Renström, Treva K Rice, Paul M Ridker, Antonietta Robino, Jennifer G Robinson, Lynda M Rose, Igor Rudan, Charumathi Sabanayagam, Babatunde L Salako, Kevin Sandow, Carsten O Schmidt, Pamela J Schreiner, William R Scott, Sudha Seshadri, Peter Sever, Colleen M Sitlani, Jennifer A Smith, Harold Snieder, John M Starr, Konstantin Strauch, Hua Tang, Kent D Taylor, Yik Ying Teo, Yih Chung Tham, André G Uitterlinden, Melanie Waldenberger, Lihua Wang, Ya X Wang, Wen Bin Wei, Christine Williams, Gregory Wilson, Mary K Wojczynski, Jie Yao, Jian-Min Yuan, Alan B Zonderman, Diane M Becker, Michael Boehnke, Donald W Bowden, John C Chambers, Yii-Der Ida Chen, Ulf de Faire, Ian J Deary, Tõnu Esko, Martin Farrall, Terrence Forrester, Paul W Franks, Barry I Freedman, Philippe Froguel, Paolo Gasparini, Christian Gieger, Bernardo Lessa Horta, Yi-Jen Hung, Jost B Jonas, Norihiro Kato, Jaspal S Kooner, Markku Laakso, Terho Lehtimäki, Kae-Woei Liang, Patrik K E Magnusson, Anne B Newman, Albertine J Oldehinkel, Alexandre C Pereira, Susan Redline, Rainer Rettig, Nilesh J Samani, James Scott, Xiao-Ou Shu, Pim van der Harst, Lynne E Wagenknecht, Nicholas J Wareham, Hugh Watkins, David R Weir, Ananda R Wickremasinghe, Tangchun Wu, Wei Zheng, Yoichiro Kamatani, Cathy C Laurie, Claude Bouchard, Richard S Cooper, Michele K Evans, Vilmundur Gudnason, Sharon L R Kardia, Stephen B Kritchevsky, Daniel Levy, Jeff R O'Connell, Bruce M Psaty, Rob M van Dam, Mario Sims, Donna K Arnett, Dennis O Mook-Kanamori, Tanika N Kelly, Ervin R Fox, Caroline Hayward, Myriam Fornage, Charles N Rotimi, Michael A Province, Cornelia M van Duijn, E Shyong Tai, Tien Yin Wong, Ruth J F Loos, Alex P Reiner, Jerome I Rotter, Xiaofeng Zhu, Laura J Bierut, W James Gauderman, Mark J Caulfield, Paul Elliott, Kenneth Rice, Patricia B Munroe, Alanna C Morrison, L Adrienne Cupples, Dabeeru C Rao, Daniel I Chasman
Genome-wide association analysis advanced understanding of blood pressure (BP), a major risk factor for vascular conditions such as coronary heart disease and stroke. Accounting for smoking behavior may help identify BP loci and extend our knowledge of its genetic architecture. We performed genome-wide association meta-analyses of systolic and diastolic BP incorporating gene-smoking interactions in 610,091 individuals. Stage 1 analysis examined ∼18.8 million SNPs and small insertion/deletion variants in 129,913 individuals from four ancestries (European, African, Asian, and Hispanic) with follow-up analysis of promising variants in 480,178 additional individuals from five ancestries...
February 13, 2018: American Journal of Human Genetics
https://www.readbyqxmd.com/read/29454904/protective-effect-of-sodium-stearate-on-the-moisture-induced-deterioration-of-hygroscopic-spray-dried-powders
#5
Jiaqi Yu, Maria-Cristina Romeo, Alex A Cavallaro, Hak-Kim Chan
Amorphous powders are thermodynamically unstable, significantly impacting the processing, storage and performance of a product. Therefore, stabilization of the amorphous contents is in demand. In this study, disodium cromoglycate (DSCG) powder was chosen as a model drug because it is amorphous and highly hygroscopic after spray drying. Sodium stearate (NaSt) was co-spray dried with DSCG at various concentrations (10, 50 and 90% w/w) to investigate its effect against moisture-induced deterioration on the in vitro aerosolization performance of DSCG...
February 15, 2018: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29454659/predicting-visual-acuity-by-using-machine-learning-in-patients-treated-for-neovascular-age-related-macular-degeneration
#6
Markus Rohm, Volker Tresp, Michael Müller, Christoph Kern, Ilja Manakov, Maximilian Weiss, Dawn A Sim, Siegfried Priglinger, Pearse A Keane, Karsten Kortuem
PURPOSE: To predict, by using machine learning, visual acuity (VA) at 3 and 12 months in patients with neovascular age-related macular degeneration (AMD) after initial upload of 3 anti-vascular endothelial growth factor (VEGF) injections. DESIGN: Database study. PARTICIPANTS: For the 3-month VA forecast, 653 patients (379 female) with 738 eyes and an average age of 74.1 years were included. The baseline VA before the first injection was 0...
February 14, 2018: Ophthalmology
https://www.readbyqxmd.com/read/29454550/soci%C3%A3-t%C3%A3-d-imagerie-musculosquelettique-sims-f%C3%A3-d%C3%A3-ration-de-radiologie-interventionnelle-fri-and-soci%C3%A3-t%C3%A3-francophone-de-radiologie-sfr-recommendations-for-epidural-and-transforaminal-corticosteroid-injections
#7
A Cotten, J-L Drapé, N Sans, A Feydy, J-M Bartoli, J-F Meder
No abstract text is available yet for this article.
February 14, 2018: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/29453796/using-a-hospital-admission-survey-to-estimate-the-burden-of-influenza-associated-severe-acute-respiratory-infection-in-one-province-of-cambodia-methods-used-and-lessons-learned
#8
Rebekah J Stewart, Sovann Ly, Borann Sar, Vanra Ieng, Seng Heng, Kheng Sim, Chiedza Machingaidze, Katherine Roguski, Erica Dueger, Ann Moen, Reiko Tsuyuoka, A Danielle Iuliano
BACKGROUND: Understanding the burden of influenza-associated severe acute respiratory infection (SARI) is important for setting national influenza surveillance and vaccine priorities. Estimating influenza-associated SARI rates requires hospital-based surveillance data and a population-based denominator, which can be challenging to determine. OBJECTIVES: We present an application of the World Health Organization's recently developed manual (WHO Manual) including hospital admission survey (HAS) methods for estimating the burden of influenza-associated SARI, with lessons learned to help others calculate similar estimates...
February 16, 2018: Influenza and Other Respiratory Viruses
https://www.readbyqxmd.com/read/29453292/clonal-selection-drives-protective-memory-b-cell-responses-in-controlled-human-malaria-infection
#9
Rajagopal Murugan, Lisa Buchauer, Gianna Triller, Cornelia Kreschel, Giulia Costa, Gemma Pidelaserra Martí, Katharina Imkeller, Christian E Busse, Sumana Chakravarty, B Kim Lee Sim, Stephen L Hoffman, Elena A Levashina, Peter G Kremsner, Benjamin Mordmüller, Thomas Höfer, Hedda Wardemann
Affinity maturation, the clonal selection and expansion of antigen-activated B cells expressing somatically mutated antibody variants that develop during T cell-dependent germinal center reactions, is considered pivotal for efficient development of protective B cell memory responses to infection and vaccination. Repeated antigen exposure promotes affinity maturation but each time also recruits antigen-reactive naïve B cells into the response. Here, we determined the relative impact of affinity maturation versus antigen-mediated clonal selection of naïve B cells to mount potent B cell memory responses in humans after repeated exposure to a complex pathogen, the malaria parasite Plasmodium falciparum (Pf)...
February 16, 2018: Science Immunology
https://www.readbyqxmd.com/read/29452397/cohort-profile-the-singapore-multi-ethnic-cohort-mec-study
#10
Kristin Hui Xian Tan, Linda Wei Lin Tan, Xueling Sim, E Shyong Tai, Jeannette Jen-Mai Lee, Kee Seng Chia, Rob M van Dam
No abstract text is available yet for this article.
February 13, 2018: International Journal of Epidemiology
https://www.readbyqxmd.com/read/29450959/relation-of-uric-acid-level-to-rapid-kidney-function-decline-and-development-of-kidney-disease-the-jackson-heart-study
#11
Stanford E Mwasongwe, Tibor Fülöp, Ronit Katz, Solomon K Musani, Mario Sims, Adolfo Correa, Michael F Flessner, Bessie A Young
Whether elevated uric acid (UA) is an independent risk factor for chronic kidney disease (CKD) is not well established. The authors evaluated the relationship of UA with rapid kidney function decline (RKFD) and incident CKD among 3702 African Americans (AAs) in the Jackson Heart Study with serum UA levels measured at baseline exam (2000-2004). RKFD was defined as ≥ 30% eGFR loss and incident CKD as development of eGFR < 60 mL/min/1.73 m 2 with a ≥ 25% decline in eGFR between baseline and exam 3 (2009-2013)...
February 16, 2018: Journal of Clinical Hypertension
https://www.readbyqxmd.com/read/29450945/clinical-application-of-3d-technology-for-tooth-autotransplantation-a-case-report
#12
Keunhee Kim, Hee-Seung Choi, Nan-Sim Pang
This report presents two cases of tooth autotransplantation using cone-beam computed tomography (CBCT), the three-dimensional (3D) simulation dental planning software and a computer-aided rapid prototyping (CARP) model. Two hopeless teeth of adult patients were replaced as their third molar teeth. Before deciding the autotransplantation, diagnostic CBCT images were acquired and imported to SimPlant software. The SimPlant dental program was used for surgical simulation prior to autotransplantation, which created 3D images of the available donor teeth and recipient site tooth and superimposed the images to display their morphological similarity...
February 16, 2018: Australian Endodontic Journal: the Journal of the Australian Society of Endodontology Inc
https://www.readbyqxmd.com/read/29450741/utility-of-cardiac-computed-tomography-scanning-in-the-diagnosis-and-pre-operative-evaluation-of-patients-with-infective-endocarditis
#13
Jason R Sims, Nandan S Anavekar, Krishnaswamy Chandrasekaran, James M Steckelberg, Walter R Wilson, Bernard J Gersh, Larry M Baddour, Daniel C DeSimone
Transesophageal echocardiography (TEE) is the gold standard imaging study used in the diagnosis of infective endocarditis (IE). Computed tomography angiography (CTA) has undergone rapid advancement as a cardiac imaging technique and has previously shown promise in small non-randomized studies for evaluation of IE. We hypothesized that cardiac CTA would perform similarly to TEE in the detection of endocarditic lesions and that there would be no difference in clinical outcomes whether the coronary arteries were evaluated by CTA or invasive coronary angiography (ICA)...
February 15, 2018: International Journal of Cardiovascular Imaging
https://www.readbyqxmd.com/read/29449608/mapping-molecular-assemblies-with-fluorescence-microscopy-and-object-based-spatial-statistics
#14
Thibault Lagache, Alexandre Grassart, Stéphane Dallongeville, Orestis Faklaris, Nathalie Sauvonnet, Alexandre Dufour, Lydia Danglot, Jean-Christophe Olivo-Marin
Elucidating protein functions and molecular organisation requires to localise precisely single or aggregated molecules and analyse their spatial distributions. We develop a statistical method SODA (Statistical Object Distance Analysis) that uses either micro- or nanoscopy to significantly improve on standard co-localisation techniques. Our method considers cellular geometry and densities of molecules to provide statistical maps of isolated and associated (coupled) molecules. We use SODA with three-colour structured-illumination microscopy (SIM) images of hippocampal neurons, and statistically characterise spatial organisation of thousands of synapses...
February 15, 2018: Nature Communications
https://www.readbyqxmd.com/read/29449488/natural-noncanonical-protein-splicing-yields-products-with-diverse-%C3%AE-amino-acid-residues
#15
Brandon I Morinaka, Edgars Lakis, Marjan Verest, Maximilian J Helf, Thibault Scalvenzi, Anna L Vagstad, James Sims, Shinichi Sunagawa, Muriel Gugger, Jörn Piel
Current textbook knowledge holds that the structural scope of ribosomal biosynthesis is based exclusively on α-amino acid backbone topology. Here we report the genome-guided discovery of bacterial pathways that posttranslationally create β-amino acid-containing products. The transformation is widespread in bacteria and is catalyzed by an enzyme belonging to a previously uncharacterized radical S -adenosylmethionine family. We show that the β-amino acids result from an unusual protein splicing process involving backbone carbon-carbon bond cleavage and net excision of tyramine...
February 16, 2018: Science
https://www.readbyqxmd.com/read/29448619/improved-dissolution-and-oral-bioavailability-of-celecoxib-by-a-dry-elixir-system
#16
Kwan Hyung Cho, Jun-Pil Jee, Da A Yang, Sung Tae Kim, Dongjin Kang, Dae-Young Kim, Taeyong Sim, Sang Yeob Park, Kyeongsoon Kim, Dong-Jin Jang
The purpose of this study was to develop and evaluate a dry elixir (DE) system for enhancing the dissolution rate and oral bioavailability of celecoxib. DE system has been used for improving solubility, oral bioavailability of poorly water-soluble drugs. The encapsulated drugs or solubilized drugs in the matrix are rapidly dissolved due to the co-solvent effect, resting in both an enhanced dissolution and bioavailability. DEs containing celecoxib were prepared by spray-drying method and characterized by morphology, drug/ethanol content, drug crystallinity, dissolution rate and oral bioavailability...
February 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29448513/removing-control-of-cyclodextrin-drug-complexes-using-high-affinity-molecule
#17
Young-Hwan Kim, Sung Tae Kim, Jun-Pil Jee, Dae-Young Kim, Dongjin Kang, Kyeongsoon Kim, Sang Yeob Park, Taeyong Sim, Kwan Hyung Cho, Dong-Jin Jang
Nanostructured supramolecular assemblies with hydrophobic cavities are used for improving the solubility, bioavailability, and stability of poorly water soluble drugs. In particular, host-guest inclusion using 2-hydroxypropyl-beta-cyclodextrin (HP-β-CD) is a typical approach in the pharmaceutical field. In this study, celecoxib (CXB), a cyclooxygenase-2 selective nonsteroidal anti-inflammatory drug (NSAID), was used as the model drug (guest material) and effectively incorporated into HP-β-CD (host material)...
February 1, 2018: Journal of Nanoscience and Nanotechnology
https://www.readbyqxmd.com/read/29447589/do-student-service-members-veterans-experience-worse-mental-health-stigma-than-their-peers-a-comparative-study-in-a-national-sample
#18
Joseph M Currier, Ryon C McDermott, Brook M Sims
OBJECTIVES: Examine differences in mental health treatment-related stigma in student service members and veterans (SSM/Vs) and peers from 57 post-secondary institutions across the United States. METHODS: In total, 909 SSM/Vs and 1818 demographically- and institutionally-matched non-SSM/Vs completed assessments of stigma-related barriers to mental health service utilization as part of the Healthy Minds Study between 2011 and 2015. RESULTS: When compared to non-SSM/V peers, SSM/Vs reported more mental health treatment-related stigma toward help-seekers and less confidence in the helpfulness of therapy/counseling and psychotropic medications...
February 15, 2018: Journal of American College Health: J of ACH
https://www.readbyqxmd.com/read/29445851/beta-cell-extracellular-vesicle-mir-21-5p-cargo-is-increased-in-response-to-inflammatory-cytokines-and-serves-as-a-biomarker-of-type-1-diabetes
#19
Alexander J Lakhter, Rachel E Pratt, Rachel E Moore, Kaitlin K Doucette, Bernhard F Maier, Linda A DiMeglio, Emily K Sims
AIMS/HYPOTHESIS: Improved biomarkers are acutely needed for the detection of developing type 1 diabetes, prior to critical loss of beta cell mass. We previously demonstrated that elevated beta cell microRNA 21-5p (miR-21-5p) in rodent and human models of type 1 diabetes increased beta cell apoptosis. We hypothesised that the inflammatory milieu of developing diabetes may also increase miR-21-5p in beta cell extracellular vesicle (EV) cargo and that circulating EV miR-21-5p would be increased during type 1 diabetes development...
February 14, 2018: Diabetologia
https://www.readbyqxmd.com/read/29445223/thermodynamically-induced-in-situ-and-tunable-cu-plasmonic-behaviour
#20
Gajendra Kumar Inwati, Yashvant Rao, Man Singh
The Cu nanoparticles (Cu NPs) were grown in soda-lime glass matrix through Cu + ↔ Na + ion exchange methods under thermal annealing in an open environment and studied variation in their size on tunable plasmonic behaviour, optical absorption spectra and photoluminescence (PL). A blue shift from 570 to 560 nm was observed in localized surface plasmon resonance (SPR) of Cu NPs from 550 to 650 °C. A mutual relation between size and surface plasmon resonance with full width half maxima (FWHM) has been derived for plasmonic properties at variable temperatures...
February 14, 2018: Scientific Reports
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