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April 2018: Clinical Anatomy
Rupam Dutta, Sangita Kundu, Nilmoni Sarkar
In the last two decades, researchers have extensively studied highly stable and ordered supramolecular assembly formation using oppositely charged surfactants. Thereafter, surface-active ionic liquids (SAILs), a special class of room temperature ionic liquids (RTILs), replace the surfactants to form various supramolecular aggregates. Therefore, in the last decade, the building blocks of the supramolecular aggregates (micelle, mixed micelle, and vesicular assemblies) have changed from oppositely charged surfactant/surfactant pair to surfactant/SAIL and SAIL/SAIL pair...
March 8, 2018: Biophysical Reviews
Tracey M Dalton, Di Jin
This study explores public interests associated with shellfish aquaculture development in coastal waters of Rhode Island (US). Specifically, we examine (1) the levels of public support for (or opposition to) shellfish aquaculture development and (2) factors driving the levels of support, using survey data and ordinal logistic regressions. Results of the analysis identify several key attitudinal factors affecting individual's support for shellfish aquaculture in Rhode Island (RI). The level of support is positively associated with attitudes related to shellfish aquaculture's benefits to the local economy and its role as a nutritional food option, and negatively influenced by attitudes related to aquaculture farms' effects on aesthetic quality and their interference with other uses...
March 5, 2018: Environmental Management
Alissa Knight, John Fouyaxis, Geoff Jarrad, Kinga Beski, Gerald Cho, Niranjan Bidargaddi
The rapid ageing of the population is a worldwide inexorable demographic transformation. At a time of immense social, political and economic change, the growing elderly population is at the forefront of global burden, placing an increasing strain on the federal, state, and local budgets. Many public policy responses to the impending ageing epidemic have begun, particularly with regards to dementia prevention and quality of life for older adults. However, to date, the fruition of such efforts remains to be discovered...
2018: Studies in Health Technology and Informatics
Ling-Ling Zhao, Kaimin Hui, Yue Wang, Hui Wang, Qian Ren, Xin-Cang Li
Galactoside-binding lectins, also known as galectins, play crucial roles in innate immune response in invertebrates. In this study, three cDNA sequences from Hyriopsis cumingii were identified and collectively called HcGalec genes. Each of the three deduced HcGalec proteins contained a galactose-binding lectin domain or a GLECT domain. All the three HcGalec genes are mainly present in the hepatopancreas and gills, and their expression is induced by bacterial challenge. Three recombinant HcGalec proteins can bind and agglutinate (Ca2+ -dependent) various microorganisms, including Gram-positive and Gram-negative bacteria...
February 20, 2018: Fish & Shellfish Immunology
Arghajit Pyne, Sangita Kundu, Pavel Banerjee, Nilmoni Sarkar
In this article, we have unveiled the aggregation behavior of a potent chemotherapeutic drug, doxorubicin hydrochloride (Dox) in a well known imidazolium based surface active ionic liquid (SAIL), 1-octyl-3-methylimidazolium chloride (C8mimCl). The aggregates formed by Dox in C8mimCl have been characterized using dynamic light scattering (DLS), fluorescence lifetime imaging microscopy (FLIM), high resolution transmission electron microscopy (HR-TEM), analytical transmission electron microscopy (analytical TEM), field emission scanning electron microscopy (FESEM), atomic force microscopy (AFM) and fourier-transform infrared spectroscopy (FTIR) measurements...
February 23, 2018: Langmuir: the ACS Journal of Surfaces and Colloids
Christine K Federspiel, Theis S Itenov, Kala Mehta, Raymond K Hsu, Morten H Bestle, Kathleen D Liu
BACKGROUND: Duration of acute kidney injury (AKI) has been recognized a risk factor for adverse outcomes following AKI. We sought to examine the relationship of AKI duration and recurrent AKI with short-term outcomes in critically ill patients who were mechanically ventilated and met criteria for the acute respiratory distress syndrome. METHODS: Participants in the NHLBI ARDS Network SAILS multicenter trial who developed AKI were included in this analysis and divided into groups based on AKI duration...
February 23, 2018: Annals of Intensive Care
Gurbir Singh, Manvir Kaur, Markus Drechsler, Tejwant Singh Kang
The formation of ultra-thin 2D crystalline nano-sheets, -spindles and -ribbons by self-assembly of benzimidazolium-based single-tailed surface active ionic liquids (SAILs) is observed for the first time. The nature of formed bilayer architectures is governed by the functionalization of alkyl chains of SAILs via an amide or ester moiety.
February 19, 2018: Chemical Communications: Chem Comm
Tongtong Tian, Qi Kang, Tao Wang, Jianhong Xiao, Li Yu
A series of cationic gemini surfactants with diverse chemical structures, that is, imidazolium-based gemini surface active ionic liquids (gemini IM-SAILs) with different alkyl chain length or spacer length, viz. 1,s-bis(3-alkylimidazolium-1-yl) ethane bromide ([C n -s-C n im]Br 2 ; s = 2, n = 6, 8, 10, 12, 16; n = 12, s = 2, 4, 6, 10), and quaternary ammonium-based gemini surfactants (gemini QASaa) with different symmetries, viz. 1,2-bisalkylquaternary ammonium bromide (m-2-n; m = 12, 14, 16, n = 8, 10, 12, m + n = 24), were synthesized and utilized to decorate aqueous/liquid crystal interfaces (ALI)...
February 9, 2018: Journal of Colloid and Interface Science
Tae Dong Jeong, Jaeryuk Kim, Woochang Lee, Sail Chun, Ki Sook Hong, Won Ki Min
The 1B equation is recommended for calculating the glomerular filtration rate (GFR) in children. Since few reports have evaluated the performance of the 1B equation, we investigated the performance of estimated GFR (eGFR) equations with the blood urea nitrogen (BUN) variable for pediatric cancer patients. In total, 203 children with cancer who underwent measured GFR (mGFR) assessment were enrolled. The median (range) mGFR and eGFR calculated using the updated Schwartz equation were 118 (43-241) and 135 (34-257) mL/min/1...
May 2018: Annals of Laboratory Medicine
Zoe Kooreman, Geneviève Giraldeau, Gherardo Finocchiaro, Yukari Kobayashi, Matthew Wheeler, Marco Perez, Kegan Moneghetti, David Oxborough, Keith P George, Jonathan Myers, Euan Ashley, François Haddad
BACKGROUND: There is limited data regarding ventricular remodeling in college female athletes, especially when appropriate scaling of cardiac dimensions to lean body mass (LBM) is considered. Moreover, it is not well established whether cardiac remodeling in female athletes is a balanced process with proportional increase in left ventricular (LV) mass and volume or the right and LV size. METHODS: During the preparticipation competitive screening, 72 female college athletes volunteered to undergo dual energy x-ray absorptiometry scan for quantification of LBM and comprehensive 2D echocardiography including assessment of longitudinal myocardial strain...
January 23, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
Fei Sun, Sailing He
Considering that previous invisible gateways (an open entrance that only blocks electromagnetic waves) based on super-scatters designed by transformation optics cannot effectively work for narrow beams and light rays that do not touch negative refractive index material, we explore a new way to realize an improved invisible gateway that can give a good performance for both light waves and rays. In all previous invisible gateways, they require a finite thickness of the wall and the gateway. For the improved invisible gateway proposed in this study, there is no requirement on the thickness of the wall and gateway, i...
January 8, 2018: Optics Express
Yichao Liu, Fei Sun, Sailing He
In geometrical optical design, we only need to choose a suitable combination of lenses, prims, and mirrors to design an optical path. It is a simple and classic method for engineers. However, people cannot design fantastical optical devices such as invisibility cloaks, optical wormholes, etc. by geometrical optics. Transformation optics has paved the way for these complicated designs. However, controlling the propagation of light by transformation optics is not a direct design process like geometrical optics...
January 11, 2018: Scientific Reports
Stephanie Hearnshaw, Elise Baker, Natalie Munro
PURPOSE: To investigate whether Australian-English speaking children with and without speech sound disorder (SSD) differ in their overall speech perception accuracy. Additionally, to investigate differences in the perception of specific phonemes and the association between speech perception and speech production skills. METHOD: Twenty-five Australian-English speaking children aged 48-60 months participated in this study. The SSD group included 12 children and the typically developing (TD) group included 13 children...
December 5, 2017: Journal of Communication Disorders
Fuhong Cai, Dan Wang, Min Zhu, Sailing He
Spectrally-resolved imaging techniques are becoming central to the investigation of bio-samples. In this paper, we demonstrate the use of a WIFI-camera as a detection module to assemble a pencil-like imaging spectrometer, which weighs only 140 g and has a size of 3.1 cm in diameter and 15.5 cm in length. The spectrometer is standalone, and works wirelessly. A smartphone or network computer can serve as the data receiver and processor. The wavelength resolution of the spectrometer is about 17 nm, providing repeatable measurements of spatial two-dimensional images at various wavelengths for various bio-samples, including bananas, meat, and human hands...
December 1, 2017: Biomedical Optics Express
Marianne Tare, Helena C Parkington
Life in utero is not all smooth sailing for some. Even in individuals endowed with a 'perfect' set of genes other factors can conspire to make life less than ideal, inducing physiological adaptations in the fetus, some of which persist from the womb right through to the tomb. This article is protected by copyright. All rights reserved.
December 28, 2017: Journal of Physiology
Qiusheng Wu, Bingru Huang, Xingyun Peng, Sailing He, Qiuqiang Zhan
Optical super-resolution microscopy has become a powerful technique to help scientists to monitor the sample of interest at nanoscale. Fluorescence emission difference (FED) microscopy, a very facile super-resolution method, does not require high depleting laser intensity and is independent on the species of agents, which makes FED microscopy possess great potential. However, to date, the biomarkers applied in FED microscopy usually suffer from a photo-bleaching problem. In this work, by introducing Er3+ activated upconverting nanoparticles with red-color emission and non-photobleaching properties, we demonstrate nonbleaching super-resolution imaging with FED microscopy...
December 11, 2017: Optics Express
David G Standaert, Ramon L Rodriguez, John T Slevin, Michael Lobatz, Susan Eaton, Krai Chatamra, Maurizio F Facheris, Coleen Hall, Kavita Sail, Yash J Jalundhwala, Janet Benesh
Background: Levodopa-carbidopa intestinal gel (LCIG; carbidopa-levodopa enteral suspension in the United States), delivered via percutaneous gastrojejunostomy (PEG-J) and titrated in the inpatient setting, is an established treatment option for advanced Parkinson's disease (PD) patients with motor fluctuations. However, long-term prospective data on the efficacy of LCIG on non-motor symptoms and the safety of outpatient titration are limited. Methods: In this 60-week, open-label phase 3b study, LCIG titration was initiated in an outpatient setting following PEG-J placement in PD patients...
November 2017: Movement Disorders Clinical Practice
Joep G J Wijnand, Martin Teraa, Hendrik Gremmels, Femke C C van Rhijn-Brouwer, Gert J de Borst, Marianne C Verhaar
BACKGROUND: Critical limb ischemia (CLI) represents the most severe form of peripheral artery disease and has an immense impact on quality of life, morbidity, and mortality. A considerable proportion of CLI patients are ineligible for revascularization, leaving amputation as the only option. Mesenchymal stromal cells (MSCs), because of their vasculoregenerative and immunomodulatory characteristics, have emerged as a potential new treatment. METHODS: The primary objective of this trial is to investigate whether intramuscular administration of allogeneic bone marrow (BM)-derived MSCs is safe and potentially effective...
December 11, 2017: Journal of Vascular Surgery
Chensheng Gong, Jianhao Zhang, Sailing He
Unidirectional optical manipulation, especially the coupling from a vertical light beam to a waveguide unidirectionally, is desirable in photonic integration. We first propose a hybrid unidirectional meta-coupler for vertical incidence to a high-refractive-index waveguide in telecom wavelength, a periodic plasmonic metasurface composed of metal-insulator-metal unit cells is used for phase matching. Three designs are given for devices working around wavelengths 0.85, 1.31, and 1.55 μm. The simulated coupling efficiencies are all around 70%, and the 1 dB coupling bandwidths are 29, 82, and 105 nm, respectively...
December 15, 2017: Optics Letters
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