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https://www.readbyqxmd.com/read/28938738/resolution-of-infertility-and-number-of-children-1386-couples-followed-for-a-median-of-13-years
#1
A A Righarts, A Gray, N P Dickson, L Parkin, W R Gillett
STUDY QUESTION: How common were children among infertile couples? SUMMARY ANSWER: A total of 61.7% of infertile couples presenting for care subsequently had live born children 13.1 years after first being clinically assessed, with a mean of 1.7 children among those who had at least one. WHAT IS KNOWN ALREADY: While the prognoses for infertile couples undertaking specific treatments have been well described, less is known about those not undergoing these treatments or the total number of children...
October 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28938720/deep-whole-genome-sequencing-of-90-han-chinese-genomes
#2
Tianming Lan, Haoxiang Lin, Wenjuan Zhu, Tellier Christian Asker Melchior Laurent, Mengcheng Yang, Xin Liu, Jun Wang, Jian Wang, Huanming Yang, Xun Xu, Xiaosen Guo
Next-generation sequencing provides a high-resolution insight into human genetic information. However, the focus of previous studies has primarily been on low-coverage data due to the high cost of sequencing. Although the 1000 Genomes Project and the Haplotype Reference Consortium have both provided powerful reference panels for imputation, low-frequency and novel variants remain difficult to discover and call with accuracy on the basis of low-coverage data. Deep sequencing provides an optimal solution for the problem of these low-frequency and novel variants...
September 1, 2017: GigaScience
https://www.readbyqxmd.com/read/28938569/evaluation-of-autoantibody-signatures-in-meningioma-patients-using-human-proteome-arrays
#3
Shabarni Gupta, Shuvolina Mukherjee, Parvez Syed, Narendra Goud Pandala, Saket Choudhary, Vedita Anand Singh, Namrata Singh, Heng Zhu, Sridhar Epari, Santosh B Noronha, Aliasgar Moiyadi, Sanjeeva Srivastava
Meningiomas are one of the most common tumors of the Central nervous system (CNS). This study aims to identify the autoantibody biomarkers in meningiomas using high-density human proteome arrays (~17,000 full-length recombinant human proteins). Screening of sera from 15 unaffected healthy individuals, 10 individuals with meningioma grade I and 5 with meningioma grade II was performed. This comprehensive proteomics based investigation revealed the dysregulation of 489 and 104 proteins in grades I and II of meningioma, respectively, along with the enrichment of several signalling pathways, which might play a crucial role in the manifestation of the disease...
August 29, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938508/-angina-pectoris-in-a-young-woman-with-lupus-erythematosus
#4
Simon Braumann, Malte P Bartram, Roman Pfister, Guido Michels
History and clinical findings We present a 31-year old woman with a 6-year history of cutaneous lupus erythematosus (CLE) who presented to the emergency room with typical chest pain. ECG and transthoracic echocardiography were normal. Her working diagnosis of pericarditis was made due to systemic progression of her lupus erythematosus (LE). Treatment with NSAIDs was initiated and her immunosuppressive regimen intensified. The patient was discharged after resolution of her symptoms. A week later, the patient was seen at the rheumatology clinic with recurrence and aggravation of her symptoms...
September 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28938381/accelerated-epi-on-versus-standard-epi-off-corneal-collagen-cross-linking-for-progressive-keratoconus-in-pediatric-patients
#5
Maria A Henriquez, Ana M Rodríguez, Luis Izquierdo
PURPOSE: To evaluate and compare the effectiveness and safety of accelerated transepithelial (A-epi-on) corneal collagen cross-linking (CXL) with standard CXL (epi-off) for children with progressive keratoconus. METHODS: Prospective, cohort study including 61 eyes of 51 patients younger than 18 years with progressive keratoconus at Oftalmosalud Instituto de Ojos, Lima, Peru. A-epi-on CXL was performed for 36 eyes using 30 minutes of impregnation (0.25% riboflavin, 1...
September 21, 2017: Cornea
https://www.readbyqxmd.com/read/28938357/comments-regarding-high-resolution-magnetic-resonance-imaging-of-aging-upper-face-fat-compartments
#6
Kun Hwang
No abstract text is available yet for this article.
September 16, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28938329/mandibular-osteomyelitis-and-cervical-lymphadenitis-due-to-mycobacterium-abscessus-surgical-management-of-a-pediatric-cohort-with-a-shared-epidemiologic-exposure
#7
Peter W Thompson, Joseph K Williams
BACKGROUND: Mycobacterium abscessus has been implicated as the cause of various infections in the setting of healthcare-related "outbreaks." Mandibular osteomyelitis caused by M abscessus is exceedingly rare, with only 1 patient reported in the literature. The authors describe the surgical management of 12 pediatric patients with M abscessus-related mandibular osteomyelitis and cervical lymphadenitis caused by exposure to contaminated water at a regional dental clinic. METHODS: Following institutional review board approval, new suspected patients were reviewed and followed prospectively...
September 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28938318/neonatal-mandibular-distraction-without-a-consolidation-period-is-it-safe-is-it-effective
#8
Nataliya Biskup, Ashley L Altman, Christopher M Runyan, Craig Gendron, Haithem Elhadi Babiker, Christopher B Gordon, Brian S Pan
PURPOSE: Consolidation is a standard part of most post-distraction protocols. This study aims to determine whether the deliberate omission of a consolidation period following mandibular distraction (MD) in neonates with Pierre Robin sequence (PRS) affected the airway outcomes and complication rates. PATIENTS AND METHODS: A retrospective chart review of 28 neonates with PRS who underwent MD for severe airway obstruction between 2009 and 2014 was performed. Neonates were split into 2 cohorts: those with a very short or no consolidation (no consolidation group, n = 18) and those with a traditional consolidation period (consolidation group, n = 10)...
September 21, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28938212/the-problem-of-identifying-arsenic-anomalies-in-the-basin-of-sahand-dam-through-risk-based-soft-modelling
#9
Ata Allah Nadiri, Fariba Sadeghi Aghdam, Rahman Khatibi, Asghar Asghari Moghaddam
An investigation is undertaken to identify arsenic anomalies at the complex of Sahand dam, East Azerbaijan, northwest Iran. The complex acts as a system, in which the impounding reservoir catalyses system components related to Origin-Source-Pathways-Receptor-Consequence (OSPRC) viewed as a risk system. This 'conceptual framework' overlays a 'perceptual model' of the physical system, in which arsenic with geogenic origins diffused into the formations through extensive fractures swept through the region during the Miocene era...
September 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28938145/six-scalemic-mixtures-of-6-monosubstituted-dihydrobenzophenanthridine-alkaloids-from-chelidonium-majus-and-optically-active-structures-of-enantiomers
#10
An-Jun Deng, Hai-Jing Zhang, Qian Li, Zhi-Hong Li, Zhi-Hui Zhang, Lian-Qiu Wu, Li Li, Hai-Lin Qin
Six pairs of previously undescribed 6-monosubstituted dihydrobenzophenanthridine alkaloids were separated as corresponding six scalemic mixtures from the aerial part of Chelidonium majus. The elucidation for the 2D structures of these alkaloids was achieved using regular spectroscopic and chemical methods. The assignment of scalemic-mixture nature was achieved using combined examinations of their NMR data, CD spectra, calculation of specific rotations, and chiral HPLC profiles. The identification for the relative configurations of alkaloids possessing two asymmetric carbons directly connected up by a rotatable sp(3)-sp(3) carbon-carbon single bond was significantly facilitated by discussing the erythro and threo relative configurations defined by the mutuality of the orders of decreasing steric hindrances between the two sets of ligands linked to the two chiral centers...
September 19, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28938098/an-integrative-review-on-conflict-management-styles-among-nursing-students-implications-for-nurse-education
#11
REVIEW
Leodoro J Labrague, Denise M McEnroe-Petitte
OBJECTIVES: Nurse education plays a critical role in the achievement of conflict management skills in nursing students. However, a wider perspective on this concept has not been explored. This paper is a report of a review appraising and synthesizing existing empirical studies describing conflict management styles among nursing students. DESIGN: An integrative review method guided this review. DATA SOURCES: Five (5) bibliographic databases (CINAHL, Medline, Psych Info, Embase and SCOPUS) were searched to locate relevant articles...
September 15, 2017: Nurse Education Today
https://www.readbyqxmd.com/read/28938068/direct-patterning-of-zinc-sulfide-on-a-sub-10-nanometer-scale-via-electron-beam-lithography
#12
Mohammad S M Saifullah, Mohamed Asbahi, Maryam Binti-Kamran Kiyani, Sudhiranjan Tripathy, Esther A H Ong, Asadullah Ibn Saifullah, Hui Ru Tan, Tanmay Dutta, Ramakrishnan Ganesan, Suresh Valiyaveettil, Karen Siew-Ling Chong
Nanostructures of metal sulfides are conventionally prepared via chemical techniques and patterned using self-assembly. This poses a considerable amount of challenge when arbitrary shapes and sizes of nanostructures are desired to be placed at precise locations. Here we describe an alternative approach of nanoscale patterning of zinc sulfide (ZnS) directly using a spin-coatable and electron beam-sensitive zinc butylxanthate resist without the lift-off or etching step. Time-resolved electron beam damage studies using micro-Raman and micro-FTIR spectroscopies suggest that exposure to a beam of electrons lead to quick disappearance of xanthate moieties most likely via the Chugaev elimination, and further increase of electron dose results in the appearance of ZnS, thereby making the exposed resist insoluble in organic solvents...
September 22, 2017: ACS Nano
https://www.readbyqxmd.com/read/28937999/structures-of-foot-and-mouth-disease-virus-pentamers-insight-into-capsid-dissociation-and-unexpected-pentamer-reassociation
#13
Nayab Malik, Abhay Kotecha, Sarah Gold, Amin Asfor, Jingshan Ren, Juha T Huiskonen, Tobias J Tuthill, Elizabeth E Fry, David I Stuart
Foot-and-mouth disease virus (FMDV) belongs to the aphthovirus genus of the Picornaviridae, a family of small, icosahedral, non-enveloped, single-stranded RNA viruses. It is a highly infectious pathogen and is one of the biggest hindrances to the international trade of animals and animal products. FMDV capsids (which are unstable below pH6.5) release their genome into the host cell from an acidic compartment, such as that of an endosome, and in the process dissociate into pentamers. Whilst other members of the family (enteroviruses) have been visualized to form an expanded intermediate capsid with holes from which inner capsid proteins (VP4), N-termini (VP1) and RNA can be released, there has been no visualization of any such state for an aphthovirus, instead the capsid appears to simply dissociate into pentamers...
September 22, 2017: PLoS Pathogens
https://www.readbyqxmd.com/read/28937749/heterooctamolybdate-based-clusters-h3-cp-rh-4pmo8o32-and-h5-na2-cp-ir-4pmo8o34-and-derived-hybrid-nanomaterials-with-efficient-electrocatalytic-hydrogen-evolution-reaction-activity
#14
Vikram Singh, Pengtao Ma, Michael G B Drew, Jingyang Niu, Jingping Wang, Guo-Xin Jin
Polyoxometalates (POMs), emerging as a new class of porous molecular materials, play a promising role in homo- and heterogeneous catalysis. Among them, noble-metal-decorated POMs have a profound impact as catalytic materials. Thus, it is imperative to design and structurally explore new catalysts including noble metals. Herein, two new clusters, H3[(Cp*Rh)4PMo8O32]·14H2O (1) and H5[Na2(Cp*Ir)4PMo8O34]·13H2O (2) (Cp* = pentamethylcyclopentadienyl), based on a heterooctamolybdate anionic core were successfully obtained via a one-pot reaction using [Cp*MCl2]2 [M = Rh (1) and Ir (2)] and Na2MoO4 in acidic conditions...
September 22, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28937706/durability-of-therapeutic-response-with-long-term-aripiprazole-lauroxil-treatment-following-successful-resolution-of-an-acute-episode-of-schizophrenia
#15
Joseph P McEvoy, Robert Risinger, Serhiy Mykhnyak, Yangchun Du, Chih-Chin Liu, Arielle D Stanford, Peter J Weiden
OBJECTIVE: To evaluate durability of therapeutic effect of long-term treatment with aripiprazole lauroxil in patients with schizophrenia following successful treatment of an acute psychotic episode. METHODS: This post hoc analysis assessed long-term outcomes for a subgroup of patients who entered a 52-week extension study after being successfully stabilized with one of 2 doses of aripiprazole lauroxil (441 or 882 mg) in a pivotal 12-week, placebo-controlled, randomized clinical trial...
September 19, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28937678/anionic-silicate-organic-frameworks-constructed-from-hexacoordinate-silicon-centres
#16
Jérôme Roeser, Dragica Prill, Michael J Bojdys, Pierre Fayon, Abbie Trewin, Andrew N Fitch, Martin U Schmidt, Arne Thomas
Crystalline frameworks composed of hexacoordinate silicon species have thus far only been observed in a few high pressure silicate phases. By implementing reversible Si-O chemistry for the crystallization of covalent organic frameworks, we demonstrate the simple one-pot synthesis of silicate organic frameworks based on octahedral dianionic SiO6 building units. Clear evidence of the hexacoordinate environment around the silicon atoms is given by (29)Si nuclear magnetic resonance analysis. Characterization by high-resolution powder X-ray diffraction, density functional theory calculation and analysis of the pair-distribution function showed that those anionic frameworks-M2[Si(C16H10O4)1...
October 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28937668/complete-protein-protein-association-kinetics-in-atomic-detail-revealed-by-molecular-dynamics-simulations-and-markov-modelling
#17
Nuria Plattner, Stefan Doerr, Gianni De Fabritiis, Frank Noé
Protein-protein association is fundamental to many life processes. However, a microscopic model describing the structures and kinetics during association and dissociation is lacking on account of the long lifetimes of associated states, which have prevented efficient sampling by direct molecular dynamics (MD) simulations. Here we demonstrate protein-protein association and dissociation in atomistic resolution for the ribonuclease barnase and its inhibitor barstar by combining adaptive high-throughput MD simulations and hidden Markov modelling...
October 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28937663/a-metallo-dna-nanowire-with-uninterrupted-one-dimensional-silver-array
#18
Jiro Kondo, Yoshinari Tada, Takenori Dairaku, Yoshikazu Hattori, Hisao Saneyoshi, Akira Ono, Yoshiyuki Tanaka
The double-helix structure of DNA, in which complementary strands reversibly hybridize to each other, not only explains how genetic information is stored and replicated, but also has proved very attractive for the development of nanomaterials. The discovery of metal-mediated base pairs has prompted the generation of short metal-DNA hybrid duplexes by a bottom-up approach. Here we describe a metallo-DNA nanowire-whose structure was solved by high-resolution X-ray crystallography-that consists of dodecamer duplexes held together by four different metal-mediated base pairs (the previously observed C-Ag-C, as well as G-Ag-G, G-Ag-C and T-Ag-T) and linked to each other through G overhangs involved in interduplex G-Ag-G...
October 2017: Nature Chemistry
https://www.readbyqxmd.com/read/28937636/enhanced-photocatalytic-activity-of-nabh%C3%A2-reduced-bifeo%C3%A2-nanoparticles-for-rhodamine-b-decolorization
#19
Lijing Di, Hua Yang, Tao Xian, Xiujuan Chen
In this work, oxygen vacancies were introduced onto the surface of BiFeO₃ nanoparticles by NaBH₄ reduction method to yield oxygen-deficient BiFeO3-x samples. Comprehensive analysis on the basis of high-resolution transmission electron microscopy (HRTEM) observation and X-ray photoelectron spectrum (XPS) confirms the existence of surface oxygen vacancies on the BiFeO3-x nanoparticles. The photocatalytic activity of as-prepared BiFeO3-x samples was evaluated by the decolorization of rhodamine B (RhB) under simulated sunlight irradiation...
September 22, 2017: Materials
https://www.readbyqxmd.com/read/28937629/tracking-of-maneuvering-complex-extended-object-with-coupled-motion-kinematics-and-extension-dynamics-using-range-extent-measurements
#20
Lifan Sun, Baofeng Ji, Jian Lan, Zishu He, Jiexin Pu
The key to successful maneuvering complex extended object tracking (MCEOT) using range extent measurements provided by high resolution sensors lies in accurate and effective modeling of both the extension dynamics and the centroid kinematics. During object maneuvers, the extension dynamics of an object with a complex shape is highly coupled with the centroid kinematics. However, this difficult but important problem is rarely considered and solved explicitly. In view of this, this paper proposes a general approach to modeling a maneuvering complex extended object based on Minkowski sum, so that the coupled turn maneuvers in both the centroid states and extensions can be described accurately...
September 22, 2017: Sensors
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