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https://www.readbyqxmd.com/read/28649791/bioactivity-and-biomineralization-ability-of-calcium-silicate-based-pulp-capping-materials-after-subcutaneous-implantation
#1
G Hinata, K Yoshiba, L Han, N Edanami, N Yoshiba, T Okiji
AIM: To evaluate the abilities of three calcium silicate-based pulp-capping materials (ProRoot MTA, TheraCal LC, and a prototype tricalcium silicate cement) to produce apatite-like precipitates after being subcutaneously implanted into rats. METHODOLOGY: Polytetrafluoroethylene tubes containing each material were subcutaneously implanted into the backs of Wistar rats. At 7, 14, and 28 days post-implantation, the implants were removed together with the surrounding connective tissue, and fixed in 2...
June 26, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28648660/friction-mediates-scission-of-tubular-membranes-scaffolded-by-bar-proteins
#2
Mijo Simunovic, Jean-Baptiste Manneville, Henri-François Renard, Emma Evergren, Krishnan Raghunathan, Dhiraj Bhatia, Anne K Kenworthy, Gregory A Voth, Jacques Prost, Harvey T McMahon, Ludger Johannes, Patricia Bassereau, Andrew Callan-Jones
Membrane scission is essential for intracellular trafficking. While BAR domain proteins such as endophilin have been reported in dynamin-independent scission of tubular membrane necks, the cutting mechanism has yet to be deciphered. Here, we combine a theoretical model, in vitro, and in vivo experiments revealing how protein scaffolds may cut tubular membranes. We demonstrate that the protein scaffold bound to the underlying tube creates a frictional barrier for lipid diffusion; tube elongation thus builds local membrane tension until the membrane undergoes scission through lysis...
June 21, 2017: Cell
https://www.readbyqxmd.com/read/28644643/first-demonstration-of-a-scintillating-xenon-bubble-chamber-for-detecting-dark-matter-and-coherent-elastic-neutrino-nucleus-scattering
#3
D Baxter, C J Chen, M Crisler, T Cwiok, C E Dahl, A Grimsted, J Gupta, M Jin, R Puig, D Temples, J Zhang
A 30-g xenon bubble chamber, operated at Northwestern University in June and November 2016, has for the first time observed simultaneous bubble nucleation and scintillation by nuclear recoils in a superheated liquid. This chamber is instrumented with a CCD camera for near-IR bubble imaging, a solar-blind photomultiplier tube to detect 175-nm xenon scintillation light, and a piezoelectric acoustic transducer to detect the ultrasonic emission from a growing bubble. The time of nucleation determined from the acoustic signal is used to correlate specific scintillation pulses with bubble-nucleating events...
June 9, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/28644474/%C3%AF-electron-s%C3%A2-%C3%A2-%C3%A2-quantum-spin-liquid-state-in-an-ionic-polyaromatic-hydrocarbon
#4
Yasuhiro Takabayashi, Melita Menelaou, Hiroyuki Tamura, Nayuta Takemori, Takashi Koretsune, Aleš Štefančič, Gyöngyi Klupp, A Johan C Buurma, Yusuke Nomura, Ryotaro Arita, Denis Arčon, Matthew J Rosseinsky, Kosmas Prassides
Molecular solids with cooperative electronic properties based purely on π electrons from carbon atoms offer a fertile ground in the search for exotic states of matter, including unconventional superconductivity and quantum magnetism. The field was ignited by reports of high-temperature superconductivity in materials obtained by the reaction of alkali metals with polyaromatic hydrocarbons, such as phenanthrene and picene, but the composition and structure of any compound in this family remained unknown. Here we isolate the binary caesium salts of phenanthrene, Cs(C14H10) and Cs2(C14H10), to show that they are multiorbital strongly correlated Mott insulators...
July 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28639158/development-of-a-survivorship-needs-assessment-planning-tool-for-head-and-neck-cancer-survivors-and-their-caregivers-a-preliminary-study
#5
K R Sterba, J Zapka, N LaPelle, T K Garris, A Buchanan, M Scallion, T Day
PURPOSE: The purpose of this study was to characterize primary end-of-treatment challenges in head and neck cancer (HNC) to drive the development of a survivorship needs assessment planning (SNAP) tool and evaluate its acceptability and feasibility. METHODS: Using qualitative methods (focus groups, interviews), we identified physical, emotional, and social post-treatment challenges from the perspectives of survivors (N = 17), caregivers (N = 14), and healthcare providers (N = 14) and pretested the SNAP tool...
June 21, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/28638960/comparative-diagnostic-evaluation-of-omp31-gene-based-taqman%C3%A2-real-time-pcr-assay-with-visual-lamp-assay-and-indirect-elisa-for-caprine-brucellosis
#6
Suman Saini, V K Gupta, K Gururaj, D D Singh, R V S Pawaiya, N K Gangwar, A K Mishra, Deepak Dwivedi, Dimple Andani, Ashok Kumar, T K Goswami
Brucellosis is one of the leading causes of abortion in domestic animals that imposes costs on both economy and society. The disease is highly zoonotic and poses risk to animal handlers due to its zoonotic nature. It causes stillbirth, loss of kids and abortion in last term of pregnancy. Reproductive damage includes infertility in does and orchitis and epididymitis in breeding bucks, which result in high financial losses to farmers and the agriculture industry as a whole. It requires highly sensitive and specific assays to diagnose the disease at field level...
June 21, 2017: Tropical Animal Health and Production
https://www.readbyqxmd.com/read/28631871/efficacy-of-percutaneous-endoscopic-gastro-jejunostomy-peg-j-decompression-therapy-for-patients-with-chronic-intestinal-pseudo-obstruction-cipo
#7
H Ohkubo, A Fuyuki, J Arimoto, T Higurashi, T Nonaka, Y Inoh, H Iida, M Inamori, T Kaneda, A Nakajima
BACKGROUNDS: Chronic intestinal pseudo-obstruction (CIPO) is an intractable rare digestive disease manifesting persistent small bowel distension without any mechanical cause. Intestinal decompression is a key treatment, but conventional method including a trans-nasal small intestinal tube is invasive and painful. Therefore, a less invasive and tolerable new decompression method is urgently desired. We conducted a pilot study and assessed the efficacy and safety of percutaneous endoscopic gastro-jejunostomy (PEG-J) decompression therapy in CIPO patients...
June 20, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
https://www.readbyqxmd.com/read/28631329/inverting-suprastomal-granulomas
#8
Cláudia Schweiger, Catherine K Hart, Robin T Cotton, Michael J Rutter
Although suprastomal granulomas are a common complication of tracheotomy, they usually are an incidental finding and do not always require treatment. However, large granulomas may require removal, either to assist with speech production or to make the airway safer in the event of an accidental decannulation. Very large suprastomal granulomas extending up to or even through the vocal cords have been described. However, inverting suprastomal granulomas extending distally down the length of a tracheotomy tube have not been previously described...
June 20, 2017: Laryngoscope
https://www.readbyqxmd.com/read/28628212/disturbance-mediated-facilitation-by-an-intertidal-ecosystem-engineer
#9
Jeffrey T Wright, Paul E Gribben
Ecosystem engineers facilitate communities by providing a structural habitat that reduces abiotic stress or predation pressure for associated species. However, disturbance may damage or move the engineer to a more stressful environment, possibly increasing the importance of facilitation for associated communities. In this study we determined how disturbance to intertidal boulders (i. e. flipping) and the subsequent movement of a structural ecosystem engineer, the tube-forming serpulid worm Galeolaria caespitose, from the bottom (natural state, low abiotic stress) to the top (disturbed state, high abiotic stress) surface of boulders influenced the importance of facilitation for intertidal communities across two intertidal zones...
June 19, 2017: Ecology
https://www.readbyqxmd.com/read/28627359/evaluation-of-early-postoperative-complications-following-tracheotomy
#10
Danielle L Freburg-Hoffmeister, John H Hardeman, M Franklin Dolwick, Charles G Widmer
PURPOSE: The purpose of this study was to evaluate the early postoperative complications related to tracheotomy performed by surgeons and residents in the Department of Oral and Maxillofacial Surgery (OMS) at the University of Florida College of Dentistry (UFCD; Gainesville, FL). The authors hypothesized that complications with this surgical technique would be substantially different among the different medical diagnoses of these patients and the number of complications would positively correlate with the American Society of Anesthesiologists (ASA) physical status classification...
May 24, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28619688/single-port-laparoscopy-in-gynecologic-oncology-seven-years-of-experience-at-a-single-institution
#11
Laura Moulton, Amelia M Jernigan, Caitlin Carr, Lindsey Freeman, Pedro F Escobar, Chad M Michener
BACKGROUND: Single port laparoscopy has gained popularity within minimally invasive gynecologic surgery for its feasibility, cosmetic outcomes and safety. However, within gynecologic oncology, there is limited data regarding short-term adverse outcomes and long term hernia risk in patients undergoing single port laparoscopic surgery. OBJECTIVE: To describe short-term outcomes and hernia rates in patients after single port laparoscopy in a gynecologic oncology practice...
June 12, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28608271/repeated-subretinal-surgery-and-removal-of-subretinal-decalin-is-well-tolerated-evidence-from-a-porcine-model
#12
Nina Buus Sørensen, Kristian Klemp, Troels Wesenberg Kjær, Steffen Heegaard, Morten la Cour, Jens Folke Kiilgaard
PURPOSE: Subretinal perfluorocarbon liquid (PFCL) is a serious complication that can occur after retinal detachment repair. It is possible to remove the PFCL surgically, but retinal damage related to the procedure is unknown. Also, increasing interest in subretinal treatment makes it relevant to examine the functional and morphological consequences of repeated subretinal manipulation. We hypothesized that PFCL in a porcine model can be injected in the subretinal space and removed with minimal effect on retinal structure and function...
June 12, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28607933/optimal-branching-structure-of-fluidic-networks-with-permeable-walls
#13
Vinicius R Pepe, Luiz A O Rocha, Antonio F Miguel
Biological and engineering studies of Hess-Murray's law are focused on assemblies of tubes with impermeable walls. Blood vessels and airways have permeable walls to allow the exchange of fluid and other dissolved substances with tissues. Should Hess-Murray's law hold for bifurcating systems in which the walls of the vessels are permeable to fluid? This paper investigates the fluid flow in a porous-walled T-shaped assembly of vessels. Fluid flow in this branching flow structure is studied numerically to predict the configuration that provides greater access to the flow...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28606934/cell-lineage-of-timed-cohorts-of-tbx6-expressing-cells-in-wild-type-and-tbx6-mutant-embryos
#14
Daniel Concepcion, Andrew J Washkowitz, Akiko DeSantis, Phillip Ogea, Jason I Yang, Nataki C Douglas, Virginia E Papaioannou
Tbx6 is a T-box transcription factor with multiple roles in embryonic development as evidenced by dramatic effects on mesoderm cell fate determination, left/right axis determination, and somite segmentation in mutant mice. The expression of Tbx6 is restricted to the primitive streak and presomitic mesoderm, but some of the phenotypic features of mutants are not easily explained by this expression pattern. We have used genetically-inducible fate mapping to trace the fate of Tbx6-expressing cells in wild type and mutant embryos to explain some of the puzzling features of the mutant phenotype...
June 12, 2017: Biology Open
https://www.readbyqxmd.com/read/28604971/-a-case-of-bw39-subtype-caused-by-562c-to-t-mutation-of-exon-7-of-%C3%AE-1-3-d-galactosyltransferase-gene
#15
Bijin Wang, Lili Shi, Lin Wang, Yanchun Liu, Ling Ma, Ruoyang Zhang
OBJECTIVE: To analyze a sample with ABO subgroup using serological and molecular methods. METHODS: The ABO phenotype of the sample was determined with a tube method, and the activity of glycosyltransferases was determined with an uridine diphosphate galactose transferring method. The ABO gene of the propositus was identified by PCR with sequence-specific primers (PCR-SSP). In addition, exons 6 and 7 of the ABO gene were cloned and sequenced. RESULTS: Neither A nor B antigen was identified in the propositus, despite that its anti-B antibody was found to be attenuated...
June 10, 2017: Zhonghua Yi Xue Yi Chuan Xue za Zhi, Zhonghua Yixue Yichuanxue Zazhi, Chinese Journal of Medical Genetics
https://www.readbyqxmd.com/read/28599967/challenging-surgical-dogma-in-the-management-of-proximal-esophageal-atresia-with-distal-tracheoesophageal-fistula-outcomes-from-the-midwest-pediatric-surgery-consortium
#16
Dave R Lal, Samir K Gadepalli, Cynthia D Downard, Daniel J Ostlie, Peter C Minneci, Ruth M Swedler, Thomas H Chelius, Laura Cassidy, Cooper T Rapp, Deborah Billmire, Steven Bruch, R Carland Burns, Katherine J Deans, Mary E Fallat, Jason D Fraser, Julia Grabowski, Ferdynand Hebel, Michael A Helmrath, Ronald B Hirschl, Rashmi Kabre, Jonathan Kohler, Matthew P Landman, Charles M Leys, Grace Z Mak, Jessica Raque, Beth Rymeski, Jacqueline M Saito, Shawn D St Peter, Daniel von Allmen, Brad W Warner, Thomas T Sato
PURPOSE: Perioperative management of infants with esophageal atresia and tracheoesophageal fistula (EA/TEF) is frequently based on surgeon experience and dogma rather than evidence-based guidelines. This study examines whether commonly perceived important aspects of practice affect outcome in a contemporary multi-institutional cohort of patients undergoing primary repair for the most common type of esophageal atresia anomaly, proximal EA with distal TEF. METHODS: The Midwest Pediatric Surgery Consortium conducted a multicenter, retrospective study examining selected outcomes on infants diagnosed with proximal EA with distal TEF who underwent primary repair over a 5-year period (2009-2014), with a minimum 1-year follow up, across 11 centers...
June 1, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28599099/clinical-and-molecular-genetic-characterization-of-two-siblings-with-trisomy-2p24-3-pter-and-monosomy-5p14-3-pter
#17
Daisuke Fukushi, Kenji Kurosawa, Yasuyo Suzuki, Kaoru Suzuki, Kenichiro Yamada, Seiji Watanabe, Kenji Yokochi, Nobuaki Wakamatsu
Partial trisomy 2p syndrome is occasionally associated with neural tube defects (NTDs), such as anencephaly, encephalocele, and spina bifida, in addition to common features of intellectual disability, developmental delay, and characteristic facial appearance. The 2p24 region has been reported to be associated with NTDs. Here, we report the cases of 2 siblings with trisomy 2p24.3-pter and monosomy 5p14.3-pter caused by the paternal translocation t(2;5)(p24.3;p14.3). Of the two siblings, the elder sister had spina bifida...
June 9, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28597007/tensile-bond-strength-of-so-called-universal-primers-and-universal-multimode-adhesives-to-zirconia-and-lithium-disilicate-ceramics
#18
Adham Elsayed, Feras Younes, Frank Lehmann, Matthias Kern
PURPOSE: To test the bond strength and durability after artificial aging of so-called universal primers and universal multimode adhesives to lithium disilicate or zirconia ceramics. MATERIALS AND METHODS: A total of 240 ceramic plates, divided into two groups, were produced and conditioned: 120 acid-etched lithium disilicate plates (IPS e.max CAD) and 120 air-abraded zirconia plates (Zenostar T). Each group was divided into five subgroups (n = 24), and a universal restorative primer or multimode universal adhesive was used for each subgroup to bond plexiglas tubes filled with a composite resin to the ceramic plate...
June 8, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/28596016/multi-disciplinary-summit-on-genetics-services-for-women-with-gynecologic-cancers-a-society-of-gynecologic-oncology-white-paper
#19
Leslie M Randall, Bhavana Pothuri, Elizabeth M Swisher, John P Diaz, Adam Buchanan, Catherine T Witkop, C Bethan Powell, Ellen Blair Smith, Mark E Robson, Jeff Boyd, Robert L Coleman, Karen Lu
OBJECTIVE: To assess current practice, advise minimum standards, and identify educational gaps relevant to genetic screening, counseling, and testing of women affected by gynecologic cancers. METHODS: The Society of Gynecologic Oncology (SGO) organized a multidisciplinary summit that included representatives from the American College of Obstetricians and Gynecologists (ACOG), the American Society Clinical Oncology (ASCO), the National Society of Genetic Counselors (NSGC), and patient advocacy groups, BrightPink and Facing our Risk of Cancer Empowered (FORCE)...
June 7, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28595608/antimicrobial-activity-toxicity-and-anti-inflammatory-potential-of-methanolic-extracts-of-four-ethnomedicinal-plant-species-from-punjab-pakistan
#20
Rabia Naz, Hafsa Ayub, Sajid Nawaz, Zia Ul Islam, Tayyaba Yasmin, Asghari Bano, Abdul Wakeel, Saqib Zia, Thomas H Roberts
BACKGROUND: The plant species Aristolochia indica (AI), Melilotus indicus (MI), Tribulus terrestris (TT) and Cuscuta pedicellata (CP) are widely used in folk medicine in the villages around Chowk Azam, South Punjab, Pakistan. The aim of this study was to evaluate the antioxidant activity, phytochemical composition, and the antibacterial, antifungal, cytotoxic and anti-inflammatory potential of the four medicinal plants listed above. For CP stem, this study represents (to the best of our knowledge) the first time phytochemicals have been identified and the antioxidant and anti-inflammatory potential determined...
June 8, 2017: BMC Complementary and Alternative Medicine
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