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https://www.readbyqxmd.com/read/28228687/reproductive-biology-and-variation-of-nuclear-ribosomal-its-and-ets-sequences-in-the-calligonum-mongolicum-complex-polygonaceae
#1
Wei Shi, Jun Wen, Yanfeng Zhao, Gabriel Johnson, Borong Pan
To explore the biosystematics of the Calligonum mongolicum complex (Polygonaceae), the flowering phenological period, breeding and pollination characters and seed set of the complex (Calligonum Mongolicum Turze, Calligonum chinense A. Los., Calligonum gobicum A. Los., Calligonum pumilum A. Los. and Calligonum zaidamense A. Los.) were documented in the Turpan Eremophyte Botanical Garden, China. The sequences of the nuclear ribosomal ITS and ETS region were employed to differentiate the Calligonum mongolicum complex and other species in sect...
2017: PhytoKeys
https://www.readbyqxmd.com/read/28226489/3d-printed-microfluidic-mixer-for-point-of-care-diagnosis-of-anemia
#2
Kimberly Plevniak, Matthew Campbell, Mei He, Kimberly Plevniak, Matthew Campbell, Mei He, Matthew Campbell, Mei He, Kimberly Plevniak
3D printing has been an emerging fabrication tool in prototyping and manufacturing. We demonstrated a 3D microfluidic simulation guided computer design and 3D printer prototyping for quick turnaround development of microfluidic 3D mixers, which allows fast self-mixing of reagents with blood through capillary force. Combined with smartphone, the point-of-care diagnosis of anemia from finger-prick blood has been successfully implemented and showed consistent results with clinical measurements. Capable of 3D fabrication flexibility and smartphone compatibility, this work presents a novel diagnostic strategy for advancing personalized medicine and mobile healthcare...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28222340/a-comparative-retrospective-exploration-of-the-profiles-of-patients-in-south-africa-diagnosed-with-epileptic-and-psychogenic-non-epileptic-seizures
#3
David G Anderson, Maria Damianova, Skye Hanekom, Marilyn Lucas
Psychogenic non-epileptic seizures (PNES) have a high prevalence globally but the accurate diagnosis of this condition still remains a challenge. This is particularly the case in countries where there is scarce expertise and insufficient affordable medical facilities to which patients have access. The rate of PNES diagnosis in epilepsy units is typically within the range of 20 to 30%. In the context of developing countries, this rate tends to be higher and increases demand on the existing scarce health care capacities...
February 18, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28220960/a-comparative-investigation-of-bombyx-mori-silk-fibroin-hydrogels-generated-by-chemical-and-enzymatic-crosslinking
#4
Traian V Chirila, Shuko Suzuki, Chloé Papolla
Fibroin, the major proteinaceous component of the silk fiber produced by larvae of the domesticated silk moth (Bombyx mori), has been widely investigated as a biomaterial for potential applications in tissue engineering and regenerative medicine. Following sol-gel transition, silk fibroin solutions can generate hydrogels that present certain advantages when employed as biomaterials, especially if they are crosslinked. The subject of this study was the self-crosslinking of silk fibroin through a process induced by the enzyme horseradish peroxidase (HRP) in the presence of hydrogen peroxide, a method only recently proposed and scarcely reported...
February 21, 2017: Biotechnology and Applied Biochemistry
https://www.readbyqxmd.com/read/28220718/the-big-imitator-strikes-again-a-case-report-of-neurosyphilis-in-a-patient-with-newly-diagnosed-hiv
#5
Sévérine de Bruijn, Chris Kenyon, Nicolas Léonard, Erika Vlieghe
BACKGROUND: Neurosyphilis is the result of an infection of the central nervous system caused by the spirochete Treponema pallidum. Its clinical presentation includes meningovascular syphilis, tabes dorsalis, and dementia paralytica, resulting in a wide range of symptoms such as psychosis, Parkinsonism, and depression. CASE REPORT: A 49-year-old male was admitted to a psychiatric hospital because of social withdrawal and self-neglect, indicative of a major depression...
February 21, 2017: Acta Clinica Belgica
https://www.readbyqxmd.com/read/28220575/generation-of-storable-retinal-organoids-and-retinal-pigmented-epithelium-from-adherent-human-ips-cells-in-xeno-free-and-feeder-free-conditions
#6
Sacha Reichman, Amélie Slembrouck, Giuliana Gagliardi, Antoine Chaffiol, Angélique Terray, Céline Nanteau, Anais Potey, Morgane Belle, Oriane Rabesandratana, Jens Duebel, Gael Orieux, Emeline F Nandrot, José-Alain Sahel, Olivier Goureau
Human induced pluripotent stem cells (hiPSCs) are potentially useful in regenerative therapies for retinal disease. For medical applications, therapeutic retinal cells, such as retinal pigmented epithelial (RPE) cells or photoreceptor precursors, must be generated under completely defined conditions. To this purpose, we have developed a two-step xeno-free/feeder-free (XF/FF) culture system to efficiently differentiate hiPSCs into retinal cells. This simple method, relies only on adherent hiPSCs cultured in chemically defined media, bypassing embryoid body formation...
February 20, 2017: Stem Cells
https://www.readbyqxmd.com/read/28220097/women-do-not-belong-here-gender-work-identity-conflict-among-female-police-officers
#7
Jenny Veldman, Loes Meeussen, Colette Van Laar, Karen Phalet
The current paper examines antecedents and consequences of perceiving conflict between gender and work identities in male-dominated professions. In a study among 657 employees working in 85 teams in the police force, we investigated the effect of being different from team members in terms of gender on employees' perception that their team members see their gender identity as conflicting with their work identity. As expected in the police force as a male-dominated field, the results showed that gender-dissimilarity in the team was related to perceived gender-work identity conflict for women, and not for men...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28216796/design-and-synthesis-of-nanofibers-of-self-assembled-de-novo-glycoconjugates-towards-mucosal-lining-restoration-and-anti-inflammatory-drug-delivery
#8
Jie Zhou, Michael O'Keeffe, Gongxian Liao, Fan Zhao, Cox Terhorst, Bing Xu
The medical practice for IBD is solely based on anti-inflammatory drugs, but the outcome is far from ideal. Our long-term research goal is to seek a better clinical outcome by combining the anti-inflammatory therapy with physical mucus layer restoration. As the first step towards that objective, we choose to develop self-assembled hydrogels of de novo glycoconjugates that consist of anti-inflammatory drugs and glycopeptides. By covalently linking peptides (e.g., nap-phe-phe-lys), saccharides (e.g., glucosamine), and an anti-inflammatory drug (i...
October 6, 2016: Tetrahedron
https://www.readbyqxmd.com/read/28211552/incidence-of-postpartum-depression-and-couple-relationship-quality
#9
Aleksandra Małus, Justyna Szyluk, Beata Galińska-Skok, Beata Konarzewska
OBJECTIVES: The childbirth constitutes a significant event in a woman's life and in the marital/ couple dyad. The changes which follow childbirth require re-organization of previous coping styles and development of new methods of adaptation, which proves difficult. The current study evaluated to what extent the development of postpartum depression symptoms in new mothers was associated with their level of satisfaction in marital relationship. METHODS: The study included 100 women in their first month after delivery...
December 23, 2016: Psychiatria Polska
https://www.readbyqxmd.com/read/28211270/uniform-patchy-platelets-by-seeded-heteroepitaxial-growth-of-crystallizable-polymer-blends-in-two-dimensions
#10
Ali Nazemi, Xiaoming He, Liam R MacFarlane, Robert L Harniman, Ming-Siao Hsiao, Mitchell A Winnik, Charl F J Faul, Ian Manners
Rectangular platelets formed by the self-assembly of block copolymers in selective solvents are of interest for a range of applications. Recently we showed that the seeded growth of crystallizable blends of a block copolymer and homopolymer yields well-defined, low dispersity examples of these two-dimensional (2D) structures. The key feature was the use of the same crystallizable polymer segment in the seed and blend components to enable an efficient homoepitaxial growth process. Herein we demonstrate that this 2D crystallization-driven self-assembly approach can be extended to heteropitaxial growth by the use of different crystallizable polymers with compatible crystal structures...
February 17, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28208463/frequency-regulators-for-the-nonperturbative-renormalization-group-a-general-study-and-the-model-a-as-a-benchmark
#11
Charlie Duclut, Bertrand Delamotte
We derive the necessary conditions for implementing a regulator that depends on both momentum and frequency in the nonperturbative renormalization-group flow equations of out-of-equilibrium statistical systems. We consider model A as a benchmark and compute its dynamical critical exponent z. This allows us to show that frequency regulators compatible with causality and the fluctuation-dissipation theorem can be devised. We show that when the principle of minimal sensitivity (PMS) is employed to optimize the critical exponents η, ν, and z, the use of frequency regulators becomes necessary to make the PMS a self-consistent criterion...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28205563/geometric-tuning-of-self-propulsion-for-janus-catalytic-particles
#12
Sébastien Michelin, Eric Lauga
Catalytic swimmers have attracted much attention as alternatives to biological systems for examining collective microscopic dynamics and the response to physico-chemical signals. Yet, understanding and predicting even the most fundamental characteristics of their individual propulsion still raises important challenges. While chemical asymmetry is widely recognized as the cornerstone of catalytic propulsion, different experimental studies have reported that particles with identical chemical properties may propel in opposite directions...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28157719/preclinical-safety-and-efficacy-evaluation-of-biocas-bioactive-calcium-sulfate-bone-cement
#13
Sony Sandhya, Parayanthala Valappil Mohanan, Arumugan Sabareeswaran, Hari Krishna Varma, Manoj Komath
A new bioactive calcium sulfate-based formulation (named 'BioCaS') has been developed for bone filler applications. This is a self-setting injectable cement where the preset form comprises bassanite obtained from the uniform submicron-sized precursor crystals of gypsum, modified with hydrogen orthophosphate ions. The results of the safety and efficacy evaluation of BioCaS cement, done as per the International Standards and guidelines, are presented in this paper. The study plan consisted of in vitro screening tests of cytotoxicity and haemolysis and in vivo biocompatibility evaluation, including an acute systemic toxicity test (in mice), an intracutaneous reactivity test (in rabbits), a pyrogen test (in rabbits) and a maximization sensitization test (in guinea pigs)...
February 3, 2017: Biomedical Materials
https://www.readbyqxmd.com/read/28153687/error-related-negativity-in-the-skilled-brain-of-pianists-reveals-motor-simulation
#14
Alice Mado Proverbio, Matteo Cozzi, Andrea Orlandi, Manuel Carminati
Evidences have been provided of a crucial role of multimodal audio-visuomotor processing in subserving the musical ability. In this paper we investigated whether musical audiovisual stimulation might trigger the activation of motor information in the brain of professional pianists, due to the presence of permanent gestures/sound associations. At this aim EEG was recorded in 24 pianists and naive participants engaged in the detection of rare targets while watching hundreds of video clips showing a pair of hands in the act of playing, along with a compatible or incompatible piano soundtrack...
January 30, 2017: Neuroscience
https://www.readbyqxmd.com/read/28152094/beetle-pollination-and-flowering-rhythm-of-annona-coriacea-mart-annonaceae-in-brazilian-cerrado-behavioral-features-of-its-principal-pollinators
#15
Marilza Silva Costa, Ricardo José Silva, Hipólito Ferreira Paulino-Neto, Mônica Josene Barbosa Pereira
The conservation and sustainable management of Annona coriacea requires knowledge of its floral and reproductive biology, and of its main pollinators and their life cycles. In this work, we analyzed these aspects in detail. Floral biology was assessed by observing flowers from the beginning of anthesis to senescence. The visiting hours and behavior of floral visitors in the floral chamber were recorded, as were the sites of oviposition. Excavations were undertaken around specimens of A. coriacea to determine the location of immature pollinators...
2017: PloS One
https://www.readbyqxmd.com/read/28150486/multifunctional-hybrid-multilayer-gate-dielectrics-with-tunable-surface-energy-for-ultralow-power-organic-and-amorphous-oxide-thin-film-transistors
#16
Hye-Ran Byun, Eun-Ah You, Young-Geun Ha
For large-area, printable, and flexible electronic applications using advanced semiconductors, novel dielectric materials with excellent capacitance, insulating property, thermal stability and mechanical flexibility need to be developed to achieve high-performance, ultralow-voltage operation of thin-film transistors (TFTs). In this paper, we first report on the facile fabrication of multifunctional hybrid multilayer gate dielectrics with tunable surface energy via a low-temperature solution-process to produce ultralow-voltage organic and amorphous oxide TFTs...
February 2, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28145826/solidified-self-nano-emulsifying-drug-delivery-system-of-rosuvastatin-calcium-to-treat-diet-induced-hyperlipidemia-in-rat-in-vitro-and-in-vivo-evaluations
#17
Mohd Neyaz Ahsan, Priya Ranjan Prasad Verma
The present work focuses on preparing a solidified self nano-emulsifying drug-delivery system (S-SNEDDS) to improve the in vitro dissolution of rosuvastatin and to evaluate its antihyperlipidemic activity. Powder flow characterization demonstrated good flow properties. The drug-excipient compatibility study indicates no possible interaction. Transmission electron microscopy and scanning electron microscopy revealed nonaggregated, spherical nanosized globules. The globule-size analysis revealed droplet size in nanorange (∼100 nm)...
January 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/28138534/acoustic-assisted-assembly-of-an-individual-monochromatic-ultralong-carbon-nanotube-for-high-on-current-transistors
#18
Zhenxing Zhu, Nan Wei, Huanhuan Xie, Rufan Zhang, Yunxiang Bai, Qi Wang, Chenxi Zhang, Sheng Wang, Lianmao Peng, Liming Dai, Fei Wei
Great effort has been applied to scientific research on the controllable synthesis of carbon nanotubes (CNTs) with high semiconducting selectivity or high areal density toward the macroscale applications of high-performance carbon-based electronics. However, the key issue of compatibility between these two requirements for CNTs remains a challenge, blocking the expected performance boost of CNT devices. We report an in situ acoustic-assisted assembly of high-density monochromatic CNT tangles (m-CNT-Ts), consisting of one self-entangled CNT with a length of up to 100 mm and consistent chirality...
November 2016: Science Advances
https://www.readbyqxmd.com/read/28137672/multiple-imputation-was-a-valid-approach-to-estimate-absolute-risk-from-a-prediction-model-based-on-case-cohort-data
#19
Kristin Mühlenbruch, Olga Kuxhaus, Romina di Giuseppe, Heiner Boeing, Cornelia Weikert, Matthias B Schulze
OBJECTIVE: To compare weighting methods for Cox regression and multiple imputation (MI) in a case-cohort study in the context of risk prediction modelling. STUDY DESIGN AND SETTING: Based on the European Prospective Investigation into Cancer and Nutrition Potsdam study (EPIC-Potsdam), we estimated risk scores to predict incident type 2 diabetes using full cohort data and case-cohort data assuming missing information on waist circumference outside the case-cohort (∼90%) ...
January 27, 2017: Journal of Clinical Epidemiology
https://www.readbyqxmd.com/read/28137595/comparative-transcriptional-survey-between-self-incompatibility-and-self-compatibility-in-citrus-reticulata-blanco
#20
Yuewen Ma, Qiulei Li, Guibing Hu, Yonghua Qin
Seedlessness is an excellent economical trait, and self-incompatibility (SI) is one of important factors resulting in seedless fruit in Citrus. However, SI molecular mechanism in Citrus is still unclear. In this study, RNA-Seq technology was used to identify differentially expressed genes related to SI reaction of 'Wuzishatangju' (Citrus reticulata Blanco). A total of 35.67GB raw RNA-Seq data was generated and was de novo assembled into 50,364 unigenes with an average length of 897bp and N50 value of 1549. Twenty-three candidate unigenes related to SI were analyzed using qPCR at different tissues and stages after self- and cross-pollination...
April 20, 2017: Gene
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