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https://www.readbyqxmd.com/read/28431121/starbeast2-brings-faster-species-tree-inference-and-accurate-estimates-of-substitution-rates
#1
Huw A Ogilvie, Remco R Bouckaert, Alexei J Drummond
Fully Bayesian multispecies coalescent (MSC) methods like *BEAST estimate species trees from multiple sequence alignments. Today thousands of genes can be sequenced for a given study, but using that many genes with *BEAST is intractably slow. An alternative is to use heuristic methods which compromise accuracy or completeness in return for speed. A common heuristic is concatenation, which assumes that the evolutionary history of each gene tree is identical to the species tree. This is an inconsistent estimator of species tree topology, a worse estimator of divergence times, and induces spurious substitution rate variation when incomplete lineage sorting is present...
April 14, 2017: Molecular Biology and Evolution
https://www.readbyqxmd.com/read/28431014/the-draft-genome-of-ruellia-speciosa-beautiful-wild-petunia-acanthaceae
#2
Yongbin Zhuang, Erin A Tripp
The genus Ruellia (Wild Petunias; Acanthaceae) is characterized by an enormous diversity of floral shapes and colours manifested among closely related species. Using Illumina platform, we reconstructed the draft genome of Ruellia speciosa, with a scaffold size of 1,021 Mb (or ∼1.02 Gb) and an N50 size of 17,908 bp, spanning ∼93% of the estimated genome (∼1.1 Gb). The draft assembly predicted 40,124 gene models and phylogenetic analyses of four key enzymes involved in anthocyanin colour production [flavanone 3-hydroxylase (F3H), flavonoid 3'-hydroxylase (F3'H), flavonoid 3',5'-hydroxylase (F3'5'H), and dihydroflavonol 4-reductase (DFR)] found that most angiosperms here sampled harboured at least one copy of F3H, F3'H, and DFR...
April 1, 2017: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/28431005/occupational-asthma-caused-by-acrylic-compounds-from-shield-surveillance-1989-2014
#3
G I Walters, A S Robertson, V C Moore, P S Burge
Background: Acrylic monomers (acrylates), methacrylates and cyanoacrylates all cause asthma by respiratory sensitization. Occupational inhalation exposures occur across a variety of industries including health care and dental work, beauty, laboratory science, assembly and plastic moulding. Aims: To examine notifications of occupational asthma caused by acrylic compounds from a UK-based regional surveillance scheme, in order to highlight prevalent exposures and trends in presentation...
April 20, 2017: Occupational Medicine
https://www.readbyqxmd.com/read/28424573/global-sensory-qualities-and-aesthetic-experience-in-music
#4
Pauli Brattico, Elvira Brattico, Peter Vuust
A well-known tradition in the study of visual aesthetics holds that the experience of visual beauty is grounded in global computational or statistical properties of the stimulus, for example, scale-invariant Fourier spectrum or self-similarity. Some approaches rely on neural mechanisms, such as efficient computation, processing fluency, or the responsiveness of the cells in the primary visual cortex. These proposals are united by the fact that the contributing factors are hypothesized to be global (i.e., they concern the percept as a whole), formal or non-conceptual (i...
2017: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/28421635/a-homochiral-co%C3%AE-%C3%AE-16co%C3%AE-%C3%AE-%C3%AE-4-supertetrahedral-t4-cluster-from-a-racemic-ligand-with-ferromagnetic-behavior-and-high-photocatalytic-activity
#5
Yue-Ling Bai, Wei Du, Xiuping Yin, Jianhui Fang, Shourong Zhu, Jun Tao
A homochiral mixed-valence cobalt cluster [CoΙΙ16CoΙΙΙ4(μ6-O)4(μ3-OH)12(S-bme)12(OAc)6]Cl6·5CH3OH·18H2O (1, Hbme = 1H-(benzimidazol-2-yl)ethanol) was synthesized from a racemic ligand and three cobalt salts of CoCl2·6H2O, Co(Ac)2·4H2O and Co(NO3)2·6H2O in a DMF/MeOH mixed solvent. The enantioselective coordination occurs when a large excess of cobalt ions added in the solution and only the S-configuration of the racemic ligand involved in crystallization. The CD spectra of three crystal samples show identical Cotton signals, indicating the repeatability and the enantiomeric purity of the single crystals...
April 19, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28413585/pied-beauty
#6
(no author information available yet)
No abstract text is available yet for this article.
January 2017: Methodist DeBakey Cardiovascular Journal
https://www.readbyqxmd.com/read/28409491/obesity-rubensian-beauty-turned-into-major-health-problem
#7
EDITORIAL
Sandor G Vari
No abstract text is available yet for this article.
April 14, 2017: Croatian Medical Journal
https://www.readbyqxmd.com/read/28409308/asymmetries-in-cell-division-cell-size-and-furrowing-in-the-xenopus-laevis-embryo
#8
Jean-Pierre Tassan, Martin Wühr, Guillaume Hatte, Jacek Kubiak
Asymmetric cell divisions produce two daughter cells with distinct fate. During embryogenesis, this mechanism is fundamental to build tissues and organs because it generates cell diversity. In adults, it remains crucial to maintain stem cells. The enthusiasm for asymmetric cell division is not only motivated by the beauty of the mechanism and the fundamental questions it raises, but has also very pragmatic reasons. Indeed, misregulation of asymmetric cell divisions is believed to have dramatic consequences potentially leading to pathogenesis such as cancers...
2017: Results and Problems in Cell Differentiation
https://www.readbyqxmd.com/read/28408284/conversion-from-weight-to-volume-of-mastectomy-specimen-convenient-equations
#9
Jun Ho Lee, Chi-Ho Yeo, Taegon Kim, Kyu-Jin Chung, Soo Jung Lee, Su Hwan Kang, Jung Eun Choi
Accurate restoration of the volume lost during breast removal is the key to achieve beautiful, symmetric breasts. This study aimed to devise a simpler and more accurate method for measuring breast tissue volume by studying the relationship between weight and volume of the excised tissue according to density. Mammograms of 276 women who were advised to undergo breast reconstruction surgery were divided into 4 different groups according to tissue densities. The correlation between weight and volume was studied for each group...
February 27, 2017: Journal of Plastic, Reconstructive & Aesthetic Surgery: JPRAS
https://www.readbyqxmd.com/read/28407739/construction-of-a-novel-anaerobic-pathway-in-escherichia-coli-for-propionate-production
#10
Jing Li, Xinna Zhu, Jing Chen, Dongdong Zhao, Xueli Zhang, Changhao Bi
BACKGROUND: Propionate is widely used as an important preservative and important chemical intermediate for synthesis of cellulose fibers, herbicides, perfumes and pharmaceuticals. Biosynthetic propionate has mainly been produced by Propionibacterium, which has various limitations for industrial application. RESULTS: In this study, we engineered E. coli by combining reduced TCA cycle with the native sleeping beauty mutase (Sbm) cycle to construct a redox balanced and energy viable fermentation pathway for anaerobic propionate production...
April 14, 2017: BMC Biotechnology
https://www.readbyqxmd.com/read/28406026/multiple-color-generating-cu-in-ga-s-se-2-thin-film-solar-cells-via-dichroic-film-incorporation-for-power-generating-window-applications
#11
Gang Yeol Yoo, Jae-Seung Jeong, Soyoung Lee, Youngki Lee, Hee Chang Yoon, Van Ben Chu, Gi Soon Park, Yun Jeong Hwang, Woong Kim, Byoung Koun Min, Young Rag Do
There are four prerequisites when applying all types of thin-film solar cells to power-generating window photovoltaics (PVs): high power-generation efficiency, longevity and high durability, semitransparency or partial-light transmittance, and colorful and aesthetic value. Solid-type thin-film Cu(In,Ga)S2 (CIGS) or Cu(In,Ga)(S,Se)2 (CIGSSe) PVs nearly meet the first two criteria, making them promising candidates for power-generating window applications if they can transmit light to some degree and generate color with good aesthetic value...
April 20, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28403446/beauty-patches
#12
Jorge Roman
No abstract text is available yet for this article.
April 1, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28402189/going-non-viral-the-sleeping-beauty-transposon-system-breaks-on-through-to-the-clinical-side
#13
Michael Hudecek, Zsuzsanna Izsvák, Sandra Johnen, Matthias Renner, Gabriele Thumann, Zoltán Ivics
Molecular medicine has entered a high-tech age that provides curative treatments of complex genetic diseases through genetically engineered cellular medicinal products. Their clinical implementation requires the ability to stably integrate genetic information through gene transfer vectors in a safe, effective and economically viable manner. The latest generation of Sleeping Beauty (SB) transposon vectors fulfills these requirements, and may overcome limitations associated with viral gene transfer vectors and transient non-viral gene delivery approaches that are prevalent in ongoing pre-clinical and translational research...
April 12, 2017: Critical Reviews in Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28401281/ct-angiography-and-3d-imaging-in-aortoiliac-occlusive-disease-collateral-pathways-in-leriche-syndrome
#14
REVIEW
Sameer Ahmed, Siva P Raman, Elliot K Fishman
Collateral pathways in aortoiliac occlusive disease are essential for arterial blood flow to the abdomen, pelvis, and lower extremities. These pathways can be broadly divided into systemic-systemic, visceral-visceral, and systemic-visceral collateral networks. MDCT angiography is the most commonly used modality for the diagnostic evaluation of patients with aortoiliac occlusive disease, allowing excellent evaluation of stenotic arterial segments, as well as beautifully illustrating resulting collateral pathways (particularly when utilizing 3D reconstruction techniques)...
April 11, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28399499/occurrence-of-personal-care-products-as-emerging-chemicals-of-concern-in-water-resources-a-review
#15
REVIEW
Diana Montes-Grajales, Mary Fennix-Agudelo, Wendy Miranda-Castro
Personal care products (PCPs) are a diverse group of common household substances used for health, beauty and cleaning purposes. These include disinfectants, fragrances, insect repellents, preservatives and UV filters, among others. Some of them are considered chemicals of emerging concern due to their presence and negative impact on aquatic ecosystems, specially related to endocrine disruption and reproductive disorders. The entry of those chemicals to water bodies occurs mainly through the sewage effluents from wastewater treatment plants due to their incomplete or inefficient removal...
April 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28394875/graphical-tools-for-monitoring-inequality-the-beauty-can-lie-in-the-details
#16
Gustav Kjellsson, Dennis Petrie
No abstract text is available yet for this article.
April 5, 2017: Epidemiology
https://www.readbyqxmd.com/read/28394694/the-death-of-sir-victor-horsley-1857-1916-and-his-burial-in-amarah
#17
Nadeem Toodayan
Sir Victor Alexander Haden Horsley (1857-1916), the pioneering British neurological surgeon, passed away 100 years ago. He died young in his sixtieth year from the effects of heat stroke while serving as consulting military surgeon to the Mediterranean Expeditionary Force in Amarah, modern-day Iraq, and was buried in the now largely abandoned "Amara War Cemetery." By the time of his death in 1916, Victor Horsley had established himself as one of the most eminent innovators of modern neurological surgery. His pioneering researches in cerebral physiology earned him an early reputation in the field, and his experiences with vivisection allowed him to confidently operate on the brain and spinal cord at a time when surgical intervention of the nervous system was fraught with uncertainty...
April 10, 2017: Journal of the History of the Neurosciences
https://www.readbyqxmd.com/read/28392214/the-role-of-social-comparison-in-social-judgments-of-dental-appearance-an-experimental-study
#18
Ghada H Al-Kharboush, Koula Asimakopoulou, AlJazi H AlJabaa, J Tim Newton
OBJECTIVE: The objective of this study was to examine the influence of social comparison on social judgments of dental malalignment in a sample of females. METHOD: In a Repeated measures design, N=218 female participants of which N=128 were orthodontic patients (mean age 31.4) and N=90 controls (mean age 26.1) rated their satisfaction with their facial appearance after viewing stereotypically beautiful images of faces (experimental condition) or houses (neutral condition)...
April 6, 2017: Journal of Dentistry
https://www.readbyqxmd.com/read/28390828/effect-of-gellan-gum-on-the-thermogelation-property-and-drug-release-profile-of-poloxamer-407-based-ophthalmic-formulation
#19
Mitali Dewan, Gunjan Sarkar, Manas Bhowmik, Beauty Das, Atis Kumar Chattoapadhyay, Dipak Rana, Dipankar Chattopadhyay
The effect of gellan gum on the gelation behavior and in-vitro release of a specific drug named pilocarpine hydrochloride from different ophthalmic formulations based on poloxamer 407 is examined. The mixture of 0.3wt% gellan gum and 18wt% poloxamer (PM) solutions show a considerable increase in gel strength in physiological condition. Gel dissolution rate from PM based formulation is significantly decreased due to the addition of gellan gum. FTIR spectra analysis witnesses an interaction in between OH groups of two polymers which accounts for lowering in gelation temperature of PM-gellan gum based formulations...
April 5, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28388790/aesthetics-of-the-nasal-dorsum-proportions-light-and-shadow
#20
Natalie A Krane, Jeffrey D Markey, Lauren B Moneta, Michael M Kim
Due to its central location, the nose plays a prominent role in facial aesthetics. As tastes have shifted and techniques have advanced, the accepted "ideal" appearance and proportions of the nose have evolved over time. By assessing the aesthetics of the nasal dorsum through the use of lines and angles, one can more precisely elucidate a goal for the patient's postoperative nasal shape, which should, in turn, guide the surgeon to execute specific operative maneuvers needed to achieve that contour. In assessing the aesthetics of the nasal dorsum, practitioners calculate and observe aspects such as the paired dorsal aesthetic lines, the nasofrontal angle, and the nasofacial angle...
April 2017: Facial Plastic Surgery: FPS
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