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https://www.readbyqxmd.com/read/28806836/-complication-of-an-elbow-prosthesis-screw-breakage-of-the-ulnar-cap-and-gout-arthropathy
#1
Marion Mühldorfer-Fodor, Thomas Pillukat, Jörg van Schoonhoven, Karl Josef Prommersberger
No abstract text is available yet for this article.
August 2017: Handchirurgie, Mikrochirurgie, Plastische Chirurgie
https://www.readbyqxmd.com/read/28806669/griess-reaction-based-paper-strip-for-colorimetric-fluorescent-sers-triple-sensing-of-nitrite
#2
Dan Li, Yadan Ma, Huazhen Duan, Wei Deng, Dawei Li
This study demonstrates a novel strategy for colorimetric/fluorescent/surface enhanced Raman scattering (SERS) triple-mode sensing of nitrite based on Griess reaction modulated gold nanorods (GNRs)-Azo-gold nanoparticles (GNPs) (GNRs-Azo-GNPs) assembly. The p-aminothiophenol (PATP)-capped GNRs (GNRs@PATP) and 1,8-diaminonaphthalene (DAP)-modified GNPs (GNPs@DAP) are first synthesized through Au-S and Au-N bonds, respectively. Upon being excited at 365nm, the dispersion of GNRs-GNPs (GNRs@PATP and GNPs@DAP) emits cyan fluorescence...
August 8, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28806570/chiral-separation-of-terbutaline-and-non-steroidal-anti-inflammatory-drugs-by-using-a-new-lysine-bridged-hemispherodextrin-in-capillary-electrophoresis
#3
V Cucinotta, M Messina, A Contino, G Maccarrone, S Orlandini, A Giuffrida
A method for the separation of a mixture of terbutaline and non-steroidal anti-inflammatory drugs was developed using capillary electrophoresis with a new hemispherodextrin, ad hoc designed, the lysine - bridged hemispherodextrin (THLYSH). The use of lysine residues to bridge the trehalose capping unit moiety to the cyclodextrin cavity gives rise to a receptor with two long chains with amine nitrogen atoms, whose charge can be easily tuned as a function of the solution pH. The new hemispherodextrin was accurately characterised by ESI-MS and NMR spectroscopy, also highlighting its protonation behaviour...
August 3, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28806497/tooth-morphogenesis-and-fgf4-expression-during-development-of-molar-tooth-in-three-muroid-rodents-calomyscus-elburzensis-calomyscidae-mesocricetus-auratus-cricetidae-and-mus-musculus-muridae
#4
Kordiyeh Hamidi, Jamshid Darvish, Maryam M Matin, Athar Sadat Javanmard, C William Kilpatrick
To date, no studies have examined the tooth formation during developmental stages of brush-tailed mice (Calomyscidae) and true hamsters (Cricetidae). Herein, we compared the timing of tooth morphogenesis and FGF4 expression pattern during development of the first lower molar in Goodwin's brush-tailed mouse, Calomyscus elburzensis with two other muroid rodents; the house mouse, Mus musculus (Muridae), model organism for tooth morphogenesis, and the golden hamster, Mesocricetus auratus which shares great similarities in cusp pattern with brush-tailed mice...
August 14, 2017: Anatomical Record: Advances in Integrative Anatomy and Evolutionary Biology
https://www.readbyqxmd.com/read/28805385/synthesis-of-a-series-of-heavy-lanthanide-iii-monoporphyrinato-complexes-with-tetragonal-symmetry
#5
Anas Santria, Akira Fuyuhiro, Takamitsu Fukuda, Naoto Ishikawa
A series of heavy lanthanide(III) and yttrium(III) monoporphyrinato complexes formulated in [Ln(TPP)(cyclen)]Cl (Ln = Tb, Dy, Ho, Er, Tm, Yb, and Y; TPP = 5,10,15,20-tetraphenylporphyrinato), with cyclen, 1,4,7,10-tetraazacyclododecane, as a capping ligand, have been prepared in mild conditions and studied using single-crystal X-ray diffraction crystallography. The complexes exhibit an electronic absorption band (B(0,0)) in the range of 421-423 nm, showing a bathochromic shift associated with the increase of the ionic radii of the lanthanide, as well as two peaks of Q(1,0) and Q(0,0) bands between 548-586 nm...
August 14, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28805360/medicare-program-fy-2018-hospice-wage-index-and-payment-rate-update-and-hospice-quality-reporting-requirements-final-rule
#6
(no author information available yet)
This final rule will update the hospice wage index, payment rates, and cap amount for fiscal year (FY) 2018. Additionally, this rule includes new quality measures and provides an update on the hospice quality reporting program.
August 4, 2017: Federal Register
https://www.readbyqxmd.com/read/28805012/increasing-the-accuracy-and-precision-of-relative-telomere-length-estimates-by-rt-qpcr
#7
Justin R Eastwood, Ellis Mulder, Simon Verhulst, Anne Peters
Since attrition of telomeres, DNA caps that protect chromosome integrity, is accelerated by various forms of stress, telomere length (TL) has been proposed as an indicator of lifetime accumulated stress. In ecological studies it has been used to provide insights into aging, life-history trade-offs, the costs of reproduction and disease. qPCR is a high throughput and cost effective tool to measure relative TL (rTL) that can be applied to newly-collected and archived ecological samples. However, qPCR is susceptible to error both from the method itself and pre-analytical steps...
August 14, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/28803871/an-rnai-screen-in-a-novel-model-of-oriented-divisions-identifies-the-actin-capping-protein-z-%C3%AE-as-an-essential-regulator-of-spindle-orientation
#8
Florencia di Pietro, Léo Valon, Yingbo Li, Rosette Goïame, Auguste Genovesio, Xavier Morin
Oriented cell divisions are controlled by a conserved molecular cascade involving Gαi, LGN, and NuMA. We developed a new cellular model of oriented cell divisions combining micropatterning and localized recruitment of Gαi and performed an RNAi screen for regulators acting downstream of Gαi. Remarkably, this screen revealed a unique subset of dynein regulators as being essential for spindle orientation, shedding light on a core regulatory aspect of oriented divisions. We further analyze the involvement of one novel regulator, the actin-capping protein CAPZB...
August 4, 2017: Current Biology: CB
https://www.readbyqxmd.com/read/28803610/two-distinct-nodes-of-translational-inhibition-in-the-integrated-stress-response
#9
Hyung Don Ryoo, Deepika Vasudevan
The Integrated Stress Response (ISR) refers to a signaling pathway initiated by stress-activated eIF2α kinases. Once activated, the pathway causes attenuation of global mRNA translation while also paradoxically inducing stress response gene expression. A detailed analysis of this pathway has helped us better understand how stressed cells coordinate gene expression at translational and transcriptional levels. The translational attenuation associated with this pathway has been largely attributed to the phosphorylation of the translational initiation factor eIF2α...
August 14, 2017: BMB Reports
https://www.readbyqxmd.com/read/28802910/inter-rater-reliability-of-physical-abuse-determinations-in-young-children-with-fractures
#10
Katherine E Buesser, John M Leventhal, Julie R Gaither, Victoria Tate, Daniel R Cooperman, Rebecca L Moles, Cicero T Silva, Lauren J Ehrlich, Melinda S Sharkey
As there is no "gold standard" in determining whether a fracture is caused by accident or abuse, agreement among medical providers is paramount. Using abstracted medical record data from 551 children <36months of age presenting to a pediatric emergency department, we examined the extent of agreement between specialists who evaluate children with fractures for suspected abuse. To simulate clinical scenarios, two pediatric orthopaedists and two child abuse pediatricians (CAPs) reviewed the full abstraction and imaging, whereas the two pediatric radiologists reviewed a brief history and imaging...
August 10, 2017: Child Abuse & Neglect
https://www.readbyqxmd.com/read/28802775/catastrophic-antiphospholipid-syndrome-caps-induced-ischemic-pancreatic-ducts-injury-mimicking-intraductal-papillary-mucinous-neoplasm-ipmn
#11
Léa Savey, Jean-Charles Piette, Jérome Bellanger, Laurent Palazzo, Zahir Amoura, Alain Sauvanet, Jean-François Pouget-Abadie, Philippe Sogni, Joseph Emmerich, Nathalie Costedoat-Chalumeau
OBJECTIVES: Catastrophic antiphospholipid syndrome (CAPS) is a life-threatening disease characterized by multiple small-vessel occlusions of rapid onset. Ischemic pancreatic duct lesions secondary to CAPS have never been reported. METHODS: We describe 4 patients who presented lesions suspected to be intraductal papillary mucinous neoplasm (IPMN) of the pancreas following a CAPS. RESULTS: All patients had a history of CAPS months or years before the IPMN diagnosis...
July 10, 2017: Seminars in Arthritis and Rheumatism
https://www.readbyqxmd.com/read/28802755/pneumococcal-conjugate-vaccination-response-in-patients-after-community-acquired-pneumonia-differences-in-patients-with-s-pneumoniae-versus-other-pathogens
#12
G H J Wagenvoort, B J M Vlaminckx, D A van Kessel, R C L Geever, B A W de Jong, J C Grutters, W J W Bos, B Meek, G T Rijkers
OBJECTIVES: The goal of this study is to investigate the immune response to the 13-valent pneumococcal conjugate vaccine (PCV13) in former pneumococcal CAP patients. We hypothesize that an impaired or suboptimal humoral immune response against (specific) pneumococcal serotypes might explain the vulnerability for pneumococcal disease. METHODS: Hospitalised adult CAP patients who participated in two trials (2004-2006 (n=201) and, 2007-2009 (n=304)) were screened. Patients eligible for inclusion had CAP caused by either S...
August 9, 2017: Vaccine
https://www.readbyqxmd.com/read/28802696/community-acquired-pneumonia-visualized-on-computed-tomography-but-not-chest-x-ray-pathogens-severity-and-clinical-outcomes
#13
Cameron P Upchurch, Carlos G Grijalva, Richard G Wunderink, Derek J Williams, Grant W Waterer, Evan J Anderson, Yuwei Zhu, Eric M Hart, Frank Carroll, Anna M Bramley, Seema Jain, Kathryn M Edwards, Wesley H Self
BACKGROUND: The clinical significance of pneumonia visualized on computed tomography (CT) in the setting of a normal chest x-ray (CXR) is uncertain. METHODS: In a multicenter prospective surveillance study of adults hospitalized with community-acquired pneumonia (CAP), we compared the presenting clinical features, pathogens, and outcomes of patients with pneumonia visualized on CT but not on concurrent CXR (CT-only pneumonia) and those with pneumonia visualized on CXR...
August 9, 2017: Chest
https://www.readbyqxmd.com/read/28802027/performance-evaluation-of-the-bioneer-accupower%C3%A2-hiv-1-quantitative-rt-pcr-kit-comparison-with-the-roche-cobas%C3%A2-ampliprep-cobas-taqman%C3%A2-hiv-1-test-ver-2-0-for-quantification-of-hiv-1-viral-load-in-indonesia
#14
Agus Susanto Kosasih, Christine Sugiarto, Hubertus Hosti Hayuanta, Runingsih Juhaendi, Lyana Setiawan
BACKGROUND: Measurement of viral load in human immunodeficiency virus type 1 (HIV-1) infected patients is essential for the establishment of a therapeutic strategy. Several assays based on qPCR are available for the measurement of viral load; they differ in sample volume, technology applied, target gene, sensitivity and dynamic range. The Bioneer AccuPower® HIV-1 Quantitative RT-PCR is a novel commercial kit that has not been evaluated for its performance. OBJECTIVE: This study aimed to evaluate the performance of the Bioneer AccuPower® HIV-1 Quantitative RT-PCR kit...
August 8, 2017: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/28801509/exosome-cofactor-hmtr4-competes-with-export-adaptor-alyref-to-ensure-balanced-nuclear-rna-pools-for-degradation-and-export
#15
Jing Fan, Bin Kuai, Guifen Wu, Xudong Wu, Binkai Chi, Lantian Wang, Ke Wang, Zhubing Shi, Heng Zhang, She Chen, Zhisong He, Siyuan Wang, Zhaocai Zhou, Guohui Li, Hong Cheng
The exosome is a key RNA machine that functions in the degradation of unwanted RNAs. Here, we found that significant fractions of precursors and mature forms of mRNAs and long noncoding RNAs are degraded by the nuclear exosome in normal human cells. Exosome-mediated degradation of these RNAs requires its cofactor hMTR4. Significantly, hMTR4 plays a key role in specifically recruiting the exosome to its targets. Furthermore, we provide several lines of evidence indicating that hMTR4 executes this role by directly competing with the mRNA export adaptor ALYREF for associating with ARS2, a component of the cap-binding complex (CBC), and this competition is critical for determining whether an RNA is degraded or exported to the cytoplasm...
August 11, 2017: EMBO Journal
https://www.readbyqxmd.com/read/28800875/local-delivery-of-sirna-loaded-calcium-phosphate-nanoparticles-abates-pulmonary-inflammation
#16
Annika Frede, Bernhard Neuhaus, Torben Knuschke, Munisch Wadwa, Sebastian Kollenda, Robert Klopfleisch, Wiebke Hansen, Jan Buer, Dunja Bruder, Matthias Epple, Astrid M Westendorf
The local interference of cytokine signaling mediated by siRNA-loaded nanoparticles might be a promising new therapeutic approach to dampen inflammation during pulmonary diseases. For the local therapeutic treatment of pulmonary inflammation, we produced multi-shell nanoparticles consisting of a calcium phosphate core, coated with siRNAs directed against pro-inflammatory mediators, encapsulated into poly(lactic-co-glycolic acid), and coated with a final outer layer of polyethylenimine. Nasal instillation of nanoparticles loaded with a mixture of siRNAs directed against different cytokines to mice suffering from TH1 cell-mediated lung inflammation, or of siRNA directed against NS-1 in an influenza infection model led to a significant reduction of target gene expression which was accompanied by distinct amelioration of lung inflammation in both models...
August 8, 2017: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/28800390/how-ag-nanospheres-are-transformed-into-agau-nanocages
#17
Liane M Moreau, Charles A Schurman, Sumit Kewalramani, Mohammad M Shahjamali, Chad A Mirkin, Michael J Bedzyk
Bimetallic hollow, porous noble metal nanoparticles are of broad interest for biomedical, optical and catalytic applications. The most straightforward method for preparing such structures involves the reaction between HAuCl4 and well-formed Ag particles, typically spheres, cubes, or triangular prisms, yet the mechanism underlying their formation is poorly understood at the atomic scale. By combining in situ nanoscopic and atomic-scale characterization techniques (XAFS, SAXS, XRF, and electron microscopy) to follow the process, we elucidate a plausible reaction pathway for the conversion of citrate-capped Ag nanospheres to AgAu nanocages; importantly, the hollowing event cannot be explained by the nanoscale Kirkendall effect, nor by Galvanic exchange alone, two processes that have been previously proposed...
August 11, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28799958/learning-curve-of-small-incision-lenticule-extraction-challenges-and-complications
#18
Jeewan S Titiyal, Manpreet Kaur, Anubha Rathi, Ruchita Falera, Manthan Chaniyara, Namrata Sharma
PURPOSE: To describe the intraoperative complications observed during the initial learning curve of small incision lenticule extraction (SMILE) and their management. METHODS: Prospective evaluation of 100 consecutive eyes (50 patients) undergoing SMILE was performed at an apex tertiary care ophthalmic center. Patients older than 18 years with a stable refractive error ranging from -1.0 to -10.0 D myopia and up to 3.0 D astigmatism were included. Any intraoperative complications and their management were noted...
August 9, 2017: Cornea
https://www.readbyqxmd.com/read/28799820/arginine-modified-dual-emission-photoluminescent-nanocrystals-for-bioimaging-at-subcellular-resolution
#19
Jun Zhang, Jin Yan, Qingchen Yang, Yuwei Yan, Shichao Li, Lijuan Wang, Chenyu Li, Bo Lei, Guang Yang, Wangxiao He
Bioimaging at a subcellular resolution to label cytoplasm and nucleus in living cell by just one photoluminescent nanoparticle has great application potential in bioresearch, preclinical diagnosis, screening, and image-guided therapy of life-threatening diseases. Herein, we report a novel arginine (Arg) functionalized ultra-small lanthanide oxyfluoride nanocrystals (LaOF) for simultaneously targeted imaging cell cytoplasm and nucleus. As-prepared Arg-modified PAA capped LaOF: 45%Ce, 15%Tb nanocrystals (LaOF:Ce,Tb@PAA@Arg) possessed high water dispersibility, ultra-small size (∼5...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28799769/synthesis-of-positively-charged-photoluminescent-bimetallic-au-ag-nanoclusters-by-double-target-sputtering-method-on-a-biocompatible-polymer-matrix
#20
Ryan D Corpuz, Yohei Ishida, Mai Thanh Nguyen, Tetsu Yonezawa
Herein we report a novel positively charged photoluminescent Au-Ag bimetallic nanocluster synthesized using 11-mercaptoundecyl-N,N,N-trimethylammonium bromide as capping ligand by means of "green" double target sputtering method in a biocompatible polymer matrix. The photoluminescent Au-Ag bimetallic cluster showed emission tunability from the blue to near infrared (NIR) regions with respect to change in bimetallic composition.
August 11, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
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