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Subtle energies

Deborah Kramer
This article describes the outcomes of nursing students taking a course in complementary and alternative therapies focusing on energetic modalities that were used as a means of self-care. Students kept journal logs and did a formal presentation for the class. Nursing students reported decreased stress and improved concentration, academic performance, productivity, and problem-solving while experiencing a greater appreciation of their clinical experiences. Using Therapeutic Touch and other subtle energy interactions, the students also cited improved interpersonal relationships, increased feelings of calmness, a higher degree of self-awareness and self-care, reduced physical pain, increased energy, and greater appreciation of the world around them...
December 1, 2017: Journal of Holistic Nursing: Official Journal of the American Holistic Nurses' Association
Gopal V Punjabi
Most vendors offer scanners capable of dual- or multi-energy computed tomography (CT) imaging. Advantages of multi-energy CT scanning include superior tissue characterization, detection of subtle iodine uptake differences, and opportunities to reduce contrast dose. However, utilization of this technology in the emergency department (ED) remains low. The purpose of this pictorial essay is to illustrate the value of multi-energy CT scanning in emergency body imaging.
November 28, 2017: Emergency Radiology
Xavier Fioramonti, Chloé Chrétien, Corinne Leloup, Luc Pénicaud
The hypothalamus have been recognized for decades as one of the major brain centers for the control of energy homeostasis. This area contains specialized neurons able to detect changes in nutrients level. Among them, glucose-sensing neurons use glucose as a signaling molecule in addition to its fueling role. In this review we will describe the different sub-populations of glucose-sensing neurons present in the hypothalamus and highlight their nature in terms of neurotransmitter/neuropeptide expression. This review will particularly discuss whether pro-opiomelanocortin (POMC) neurons from the arcuate nucleus are directly glucose-sensing...
2017: Frontiers in Physiology
Michael R La Frano, Angelina Hernandez-Carretero, Natalie Weber, Kamil Borkowski, Theresa L Pedersen, Olivia Osborn, John W Newman
Bile acids (BAs) influence the metabolism of glucose, lipids, and energy expenditure. We hypothesized that BA concentrations and related gene expression would be altered in lean (low-fat diet fed; LFD) vs diet-induced obese (high-fat diet fed; HFD) groups of mice and that some detected changes would remain after weight loss in an HFD group switched to the LFD (SW). Taurine conjugates dominated the bile acid composition of the liver, epididymal white adipose tissue (eWAT), and hypothalamus, with the latter having lower levels (~95%, ~95%, and ~80%, respectively; P<...
October 2017: Nutrition Research
Shina Hussain, Diann Andrews, Bruce C Hill
The synthesis of cytochrome c oxidase protein from Bacillus subtilis (i.e., BsSCO) binds copper with picomolar affinity, which increases the protein's melting temperature (i.e., TM) by 20 °C. Here two native tryptophans (i.e., W36 and W101) are identified as major contributors to BsSCO's structural form, and their contributions to the stability, intrinsic fluorescence, and copper binding properties of BsSCO are explored. Single mutations of tryptophan to phenylalanine decrease the TM by 10 °C and the folding free energy by 3-4 kcal/mol...
November 17, 2017: Biochemistry
Margit Juhász, Ellen Marmur
Men seek cosmetic procedures for vastly different reasons than women. Men often seek discrete cosmetic services with little downtime. Male skin structure generally differs from female skin structure. Dermatologists should consider subtle differences in the psyche of the male cosmetic patient.
January 2018: Dermatologic Clinics
Santiago A Plano, Leandro P Casiraghi, Paula García Moro, Natalia Paladino, Diego A Golombek, Juan J Chiesa
Daily interactions between the hypothalamic circadian clock at the suprachiasmatic nucleus (SCN) and peripheral circadian oscillators regulate physiology and metabolism to set temporal variations in homeostatic regulation. Phase coherence of these circadian oscillators is achieved by the entrainment of the SCN to the environmental 24-h light:dark (LD) cycle, coupled through downstream neural, neuroendocrine, and autonomic outputs. The SCN coordinate activity and feeding rhythms, thus setting the timing of food intake, energy expenditure, thermogenesis, and active and basal metabolism...
2017: Frontiers in Neurology
Yanan Ma, Nishuang Liu, Luying Li, Xiaokang Hu, Zhengguang Zou, Jianbo Wang, Shijun Luo, Yihua Gao
Since the successful synthesis of the first MXenes, application developments of this new family of two-dimensional materials on energy storage, electromagnetic interference shielding, transparent conductive electrodes and field-effect transistors, and other applications have been widely reported. However, no one has found or used the basic characteristics of greatly changed interlayer distances of MXene under an external pressure for a real application. Here we report a highly flexible and sensitive piezoresistive sensor based on this essential characteristics...
October 31, 2017: Nature Communications
Steven A Lovejoy, Charles T Mehlman
Tibial fractures in children present a wide array of challenges to the managing orthopaedic surgeon. Injuries cover a spectrum from subtle tibial spine fractures to comminuted high-energy shaft fractures requiring free flap coverage. Significant risks range from malunion and leg length discrepancy to infected nonunions and Volkmann ischemic contracture. This article offers evidence and experience-based advice that is aimed at helping the community orthopaedic surgeon taking call.
November 2017: Journal of Orthopaedic Trauma
Li Qiongyan, Jinhai Cai, Bettina Berger, Mamoru Okamoto, Stanley J Miklavcic
BACKGROUND: The spike of a cereal plant is the grain-bearing organ whose physical characteristics are proxy measures of grain yield. The ability to detect and characterise spikes from 2D images of cereal plants, such as wheat, therefore provides vital information on tiller number and yield potential. RESULTS: We have developed a novel spike detection method for wheat plants involving, firstly, an improved colour index method for plant segmentation and, secondly, a neural network-based method using Laws texture energy for spike detection...
2017: Plant Methods
Lee-Jin Bong, Wu-Chun Tu, Kok-Boon Neoh, Chin-Gi Huang, Rou-Xing Ting
The phenomenon of high egg reproduction when mortality risk rises is common in mosquitoes. However, the phenomenon may vary between insecticide susceptible and field-collected strains, due to the latter's decreased energy allocation in reproduction in the presence of insecticide resistance. In this study, we evaluated the effect of chlorpyrifos (CP) and temephos (TP) exposure on the oviposition and survival of Aedes aegypti (Linnaeus) (Diptera: Culicidae) using a susceptible strain (KHsm) and two field strains (KHly and TNnorth)...
October 10, 2017: Journal of Medical Entomology
Vera Beermann, Martin Gocyla, Stefanie Kühl, Elliot Padgett, Henrike Schmies, Mikaela Goerlin, Nina Erini, Meital Shviro, Marc Heggen, Rafal E Dunin-Borkowski, David A Muller, Peter Strasser
Shape-controlled octahedral Pt-Ni alloy nanoparticles exhibit remarkably high activities for the electroreduction of molecular oxygen (oxygen reduction reaction, ORR), which makes them fuel-cell cathode catalysts with exceptional potential. To unfold their full and optimized catalytic activity and stability, however, the nano-octahedra require post-synthesis thermal treatments, which alter the surface atomic structure and composition of the crystal facets. Here, we address and strive to elucidate the underlying surface chemical processes using a combination of ex situ analytical techniques with in situ transmission electron microscopy (TEM), in situ X-ray diffraction (XRD), and in situ electrochemical Fourier transformed infrared (FTIR) experiments...
November 7, 2017: Journal of the American Chemical Society
C Collazos, C Lopera, J E P Santos, J Laporta
The objectives were to investigate the effects that maternal diets containing negative dietary cation-anion differences (DCAD) fed in the last 42 d of gestation may have on the acid-base status, hematology, mineral and energy metabolism, growth, and health of calves. The experiment was a randomized block design with a 2 × 2 factorial arrangement of 2 levels of negative DCAD (-70 or -180 mEq/kg) and 2 feeding durations (the last 21 d prepartum and the last 42 d prepartum). Bulls and heifers (n = 60) born to these dams were weighted at birth and fed 3...
October 4, 2017: Journal of Dairy Science
Asiloé J Mora, Lusbely M Belandria, Gerzon E Delgado, Luis E Seijas, Angel Lunar, Rafael Almeida
Single-crystal X-ray diffraction and quantum mechanical theories were used to examine in detail the subtle nature of non-covalent interactions in the [2:1:1] multicomponent crystal of 1,1-aminocyclopentanecarboxylic acid:oxalic acid:water. The crystal, which is a hydrate salt of the amino acid with the hydrogen-oxalate ion, also contains the zwitterion of the amino acid in equal proportions. It was found that a dimeric cation [Acc5(Z)...Acc5(C)](+) bonded by an O-H...O hydrogen bond exists due to a charge transfer between acid and carboxylate groups...
October 1, 2017: Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials
Jiayi Dou, Lindsey Doyle, Per Jr Greisen, Alberto Schena, Hahnbeom Park, Kai Johnsson, Barry L Stoddard, David Baker
The steroid hormone 17α-hydroxylprogesterone (17-OHP) is a biomarker for congenital adrenal hyperplasia and hence there is considerable interest in development of sensors for this compound. We used computational protein design to generate protein models with binding sites for 17-OHP containing an extended, nonpolar, shape-complementary binding pocket for the four-ring core of the compound, and hydrogen bonding residues at the base of the pocket to interact with carbonyl and hydroxyl groups at the more polar end of the ligand...
October 4, 2017: Protein Science: a Publication of the Protein Society
Silvia Nicotra, Daniela Sorio, Giulia Filippi, Luca De Gioia, Veronica Paterlini, Elio Franco De Palo, Rita Grandori, Franco Tagliaro, Carlo Santambrogio
Transferrin (Tf) is the major iron-transporting protein in the human body and, for this reason, has been extensively studied in biomedicine. This protein undergoes a complex glycosylation process leading to several glycoforms, some of which are important in the diagnosis of alcohol abuse and of congenital glycosylation defects under the collective name of carbohydrate-deficient transferrin (CDT). Exploiting the Tf ability to bind not only iron but also other ions, specific attention has been devoted to binding activity towards Tb(3+), which was reported to greatly enhance its intrinsic fluorescence upon the interaction with Tf...
September 29, 2017: Analytical and Bioanalytical Chemistry
Jevgenij A Raskatov, David B Teplow
Intrinsically disordered protein (IDP) conformers occupy large regions of conformational space and display relatively flat energy surfaces. Amyloid-forming IDPs, unlike natively folded proteins, have folding trajectories that frequently involve movements up shallow energy gradients prior to the "downhill" folding leading to fibril formation. We suggest that structural perturbations caused by chiral inversions of amino acid side-chains may be especially valuable in elucidating these pathways of IDP folding. Chiral inversions are subtle in that they do not change side-chain size, flexibility, hydropathy, charge, or polarizability...
October 2, 2017: Scientific Reports
Gabriel Heerdt, Ionut Tranca, Albert J Markvoort, Bartłomiej M Szyja, Nelson H Morgon, Emiel J M Hensen
HYPOTHESIS: In photorheological fluids, subtle molecular changes caused by light lead to abrupt macroscopic alterations. Upon UV irradiation of an aqueous cetyltrimethylammonium bromide (CTAB) and trans-ortho-methoxycinnamic acid (trans-OMCA) solution, for instance, the viscosity drops over orders of magnitude. Multiscale modeling allows to elucidate the mechanisms behind these photorheological effects. EXPERIMENTS: We use time-dependent DFT calculations to study the photoisomerization, and a combination of atomistic molecular dynamics (MD) and DFT to probe the influence of both OMCA isomers on the micellar solutions...
January 15, 2018: Journal of Colloid and Interface Science
Maja A Dunstan, Elodie Rousset, Marie-Emmanuelle Boulon, Robert W Gable, Lorenzo Sorace, Colette Boskovic
Three families of tetraoxolene-bridged dinuclear rare earth (RE) complexes have been synthesised and characterised, with general formula [((HB(pz)3)2RE)2(μ-tetraoxolene)] (HB(pz)3(-) = hydrotris(pyrazolyl)borate; tetraoxolene = chloranilate (1-RE), the dianionic form of 2,5-dihydroxy-1,4-benzoquinone (2-RE), or its 3,6-dimethyl analogue (3-RE)). In each case, the bridging tetraoxolene ligand is in the diamagnetic dianionic form and species with selected lanthanoid(iii) ions from Eu(iii) to Yb(iii) have been obtained, as well as the diamagnetic Y(iii) analogues...
October 17, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
Christophe Raufaste, Gabriela Ramos Chagas, Thierry Darmanin, Cyrille Claudet, Frédéric Guittard, Franck Celestini
We investigate the behavior of droplets and soft elastic objects propelled with a catapult. Experiments show that the ejection velocity depends on both the projectile deformation and the catapult acceleration dynamics. With a subtle matching given by a peculiar value of the projectile/catapult frequency ratio, a 250% kinetic energy gain is obtained as compared to the propulsion of a rigid projectile with the same engine. This superpropulsion has strong potentialities: actuation of droplets, sorting of objects according to their elastic properties, and energy saving for propulsion engines...
September 8, 2017: Physical Review Letters
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