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https://www.readbyqxmd.com/read/29128119/sensitivity-of-water-energy-nexus-to-dam-operation-a-water-energy-productivity-concept
#1
Mohammed Basheer, Nadir Ahmed Elagib
Understanding and modelling the complex nature of interlinkages between water and energy are essential for efficient use of the two resources. Hydropower storage dams represent an interesting example of the water-energy interdependencies since they are often multipurpose. The concept of Water-Energy Productivity (WEP), defined as the amount of energy produced per unit of water lost in the process, is introduced in this study to illustrate the relationship between energy generation and water losses by examining the sensitivity of the Water-Energy Nexus (WEN) to changing dam operation policy...
November 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29127911/healthy-minds-from-0-100-years-optimising-the-use-of-european-brain-imaging-cohorts-lifebrain
#2
K B Walhovd, A M Fjell, R Westerhausen, L Nyberg, K P Ebmeier, U Lindenberger, D Bartrés-Faz, W F C Baaré, H R Siebner, R Henson, C A Drevon, G P Knudsen, I Budin-Ljøsne, B W J H Penninx, P Ghisletta, O Rogeberg, L Tyler, L Bertram
The main objective of "Lifebrain" is to identify the determinants of brain, cognitive and mental (BCM) health at different stages of life. By integrating, harmonising and enriching major European neuroimaging studies across the life span, we will merge fine-grained BCM health measures of more than 5,000 individuals. Longitudinal brain imaging, genetic and health data are available for a major part, as well as cognitive and mental health measures for the broader cohorts, exceeding 27,000 examinations in total...
November 8, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/29126380/what-makes-for-sound-science
#3
EDITORIAL
Fabrizio Costa, Grant Cramer, E Jean Finnegan
The inclusive threshold policy for publication in BMC journals including BMC Plant Biology means that editorial decisions are largely based on the soundness of the research presented rather than the novelty or potential impact of the work. Here we discuss what is required to ensure that research meets the requirement of scientific soundness. BMC Plant Biology and the other BCM-series journals ( https://www.biomedcentral.com/p/the-bmc-series-journals ) differ in policy from many other journals as they aim to provide a home for all publishable research...
November 10, 2017: BMC Plant Biology
https://www.readbyqxmd.com/read/29124049/effect-of-personalized-nutritional-counseling-on-the-nutritional-status-of-hemodialysis-patients
#4
In-Young Jo, Woo Jeong Kim, Hyeong Cheon Park, Hoon Young Choi, Jung Eun Lee, Song Mi Lee
This study set out to evaluate the impact of personalized nutritional counseling (PNC) on the nutritional status of hemodialysis (HD) patients. This was an intervention study for 10 months at 2 hospitals. Anthropometric, biochemical, dietary, and body composition parameters were measured at baseline and after 3 and 6 months of PNC. A total of 42 patients (23 men and 19 women) were included. Intake of dietary protein, serum albumin, and cholesterol levels had increased significantly from baseline to month 6 (p < 0...
October 2017: Clinical Nutrition Research
https://www.readbyqxmd.com/read/29110098/do-hydrodynamically-assisted-binary-collisions-lead-to-orientational-ordering-of-microswimmers
#5
Norihiro Oyama, John Jairo Molina, Ryoichi Yamamoto
We have investigated the onset of collective motion in systems of model microswimmers, by performing a comprehensive analysis of the binary collision dynamics using three-dimensional direct numerical simulations (DNS) with hydrodynamic interactions. From this data, we have constructed a simplified binary collision model (BCM) which accurately reproduces the collective behavior obtained from the DNS for most cases. Thus, we show that global alignment can mostly arise solely from binary collisions. Although the agreement between both models (DNS and BCM) is not perfect, the parameter range in which notable differences appear is also that for which strong density fluctuations are present in the system (where pseudo-sound mound can be observed (N...
November 8, 2017: European Physical Journal. E, Soft Matter
https://www.readbyqxmd.com/read/29096210/super-selective-cervical-nerve-root-stimulation-in-contralateral-c7-transfer-an-intraoperative-study
#6
Nora Franziska Dengler, Gregor Antoniadis, Christian Heinen, Brigitta Grolik, Christian Rainer Wirtz, Ralph König, Maria Teresa Pedro
OBJECTIVE: We designed this study using super-selective intraoperative cervical nerve root stimulation aiming to support decision making about complete or partial contralateral C7 (cC7) nerve root transfer in patients with multiple cervical root avulsion injury. METHODS: Super-selective intraoperative stimulations of anterior, lateral, medial and posterior aspect of C5-C8 nerve roots were performed. Compound muscle action potentials (CMAP) were recorded in the lateral part of the deltoid (DM), long head of biceps brachii (BCM), brachioradial (BRM), long head of triceps brachii (TCM), and extensor digitorum communis (EDC) muscle...
December 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/29066327/genome-and-methylome-variation-in-helicobacter-pylori-with-a-cag-pathogenicity-island-during-early-stages-of-human-infection
#7
Sandra Nell, Iratxe Estibariz, Juliane Krebes, Boyke Bunk, David Y Graham, Jörg Overmann, Yi Song, Cathrin Spröer, Ines Yang, Thomas Wex, Jonas Korlach, Peter Malfertheiner, Sebastian Suerbaum
BACKGROUND & AIMS: Helicobacter pylori is remarkable for its genetic variation. Yet little isknown about its genetic changes during early stages of human infection, as the bacteria adapt to their new environment. We analyzed genome and methylome variations in a fully virulent strain of H pylori strain during experimental infection. METHODS: We performed a randomized Phase 1 and 2, observer-blind, placebo-controlled, study of 12 healthy, H pylori-negative adults in Germany from October 2008 through March 2010...
October 21, 2017: Gastroenterology
https://www.readbyqxmd.com/read/29058588/effect-of-infla-kine-supplementation-on-the-gene-expression-of-inflammatory-markers-in-peripheral-mononuclear-cells-and-on-c-reactive-protein-in-blood
#8
Nina A Mikirova, Santosh Kesari, Thomas E Ichim, Neil H Riordan
BACKGROUND: Chronic inflammation is a predisposing factor to numerous degenerative diseases including cancer, heart failure and Alzheimer's disease. Infla-Kine is a natural supplement comprised of a proprietary blend of Lactobacillus fermentum extract, burdock seed (arctigenin), zinc, alpha lipoic acid, papaya enzyme and an enhanced absorption bio-curcumin complex (BCM-95(®)). METHODS: Infla-Kine was administered twice daily to 24 health volunteers for 4 weeks...
October 20, 2017: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29053243/identification-of-the-biosynthetic-pathway-for-the-antibiotic-bicyclomycin
#9
Jon B Patteson, Wenlong Cai, Rachel A Johnson, Kevin C Santa Maria, Bo Li
Diketopiperazines (DKPs) make up a large group of natural products with diverse structures and biological activities. Bicyclomycin is a broad-spectrum DKP antibiotic with unique structure and function: it contains a highly oxidized bicyclic [4.2.2] ring and is the only known selective inhibitor of the bacterial transcription termination factor, Rho. Here, we identify the biosynthetic gene cluster for bicyclomycin containing six iron-dependent oxidases. We demonstrate that the DKP core is made by a tRNA-dependent cyclodipeptide synthase, and hydroxylations on two unactivated sp(3) carbons are performed by two mononuclear iron, α-ketoglutarate-dependent hydroxylases...
November 7, 2017: Biochemistry
https://www.readbyqxmd.com/read/29049735/clinical-and-biological-evaluations-of-biodegradable-collagen-matrices-for-glaucoma-drainage-device-implantation
#10
COMPARATIVE STUDY
Minjung Song, Seunghyun Lee, Deokyeong Choe, Sera Kim, Young Hoon Roh, Seungsoo Rho
Purpose: To characterize the clinical and biological properties of biodegradable collagen matrices (BCMs) for possible glaucoma drainage device implantation. Methods: A total of 68 refractory glaucoma eyes, followed up postoperatively for at least 6 months, were consecutively enrolled after retrospective chart review. The BCM-augmented Ahmed valve implantations (BAAVI) using our Ologen-6 and Ologen-7 valves were performed and compared with a conventional method...
October 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28977791/estimation-of-urinary-creatinine-excretion-and-prediction-of-renal-function-in-morbidly-obese-patients-new-tools-from-body-composition-analysis
#11
Carlo Donadio, Diego Moriconi, Rossana Berta, Marco Anselmino
BACKGROUND/AIMS: In obese subjects the accuracy of prediction of renal function is quite low. The aim of this study was to obtain a more accurate estimate of urinary creatinine excretion (UCr), creatinine clearance (CCr), and GFR from body cell mass (BCM). METHODS: Seventy-three adult morbidly obese patients (BMI 35.2-64.5 kg/m2) were examined. BCM was calculated from body impedance analysis. CCr was measured (mCCr) and was predicted from BCM and antropometric data (MR-BCMCCr), with Cockcroft and Gault (C&GCCr) and Salazar and Corcoran (S&CCCr) formulas...
October 5, 2017: Kidney & Blood Pressure Research
https://www.readbyqxmd.com/read/28971467/bioimpedance-measurements-in-adolescents-with-polycystic-ovary-syndrome-a-pilot-study
#12
Styliani A Geronikolou, Flora Bacopoulou, Dennis Cokkinos
Limited data are available on the body composition of adolescent women with polycystic ovary syndrome (PCOS). The aim of this study was to examine differences in body composition indices of metabolism, homeostasis and inflammation, between Greek adolescent females suffering from PCOS and age- and body mass index (BMI)-matched non-PCOS controls. Thirteen PCOS patients and nine non-PCOS controls, aged 13-24 years participated in this cross-sectional study. Study participants underwent assessment by a novel dual frequency bioimpedance device (BIA-ACC)...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/28960036/measurement-of-fluid-status-using-bioimpedance-methods-in-korean-pediatric-patients-on-hemodialysis
#13
Eun Mi Yang, Eujin Park, Yo Han Ahn, Hyun Jin Choi, Hee Gyung Kang, Hae Il Cheong, Il Soo Ha
Adequate fluid management is an important therapeutic goal of dialysis. Recently, bioelectrical impedance methods have been used to determine body fluid status, but pediatric reports are rare. To determine the accuracy of bioelectrical impedance methods in the assessment of body fluid statusof children undergoing hemodialysis (HD), 12 children on HD were studied. A multi-frequency bioimpedance analysis device (Inbody S10) and bioimpedance spectroscopy device (BCM) were used to evaluate fluid status. Fluid removal during a HD session (assessed as body-weight change, ΔBWt) was compared with the difference in total body water determined by each device (measured fluid difference, ΔMF), which showed strong correlation using either method (Pearson's coefficient, r = 0...
November 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28941049/body-composition-and-inflammation-in-hemodialysis-patients
#14
Ante Mandic, Ivan Cavar, Ivana Skoro, Ivan Tomic, Kristina Ljubic, Slavica Coric, Ivanka Mikulic, Igor Azinovic, Danijel Pravdic
The volume state of dialysis patients is important in guiding the dialysis process. Volume overload in these patients is associated with inflammation. The objectives of the present study were to assess the body composition of patients on hemodialysis; to determine the concentrations of B-type natriuretic peptide (BNP) in plasma and evaluate the association of BNP concentrations with volume overload; to determine the concentrations of C-reactive protein (CRP), albumin and superoxide dismutase (SOD) activities as indicators of inflammatory or antioxidant processes...
September 22, 2017: Therapeutic Apheresis and Dialysis
https://www.readbyqxmd.com/read/28940057/functional-analysis-of-diacylglycerol-o-acyl-transferase-2-gene-to-decipher-its-role-in-virulence-of-botrytis-cinerea
#15
Esha Sharma, Pamil Tayal, Garima Anand, Piyush Mathur, Rupam Kapoor
Gray mold disease inflicted by Botrytis cinerea is a serious menace responsible for significant economic loss worldwide. Due to its polyphagous nature, the pathogen has enthused inquisitiveness in researchers to unravel its complexity. Agrobacterium tumefaciens-mediated transformation was used to generate insertional mutants of Botrytis cinerea. A mutant (BCM-55) with disruption in a gene (BcDGAT2) that encodes for diacylglycerol O-acyl transferase 2 (DGAT2), showed enervated virulence on various hosts' tissues...
September 22, 2017: Current Genetics
https://www.readbyqxmd.com/read/28938197/a-collagen-membrane-containing-osteogenic-protein-1-facilitates-bone-regeneration-in-a-rat-mandibular-bone-defect
#16
Manami Ozaki, Tadahiro Takayama, Takanobu Yamamoto, Yasumasa Ozawa, Mayu Nagao, Natsuko Tanabe, Akira Nakajima, Naoto Suzuki, Masao Maeno, Seiichi Yamano, Shuichi Sato
OBJECTIVES: Osteogenic protein-1 (OP-1) has shown osteoinductive activities and is useful for clinical treatments, including bone regeneration. Regenerative procedures using a bioabsorbable collagen membrane (BCM) are well established in periodontal and implant dentistry. We evaluated the subsequent effects of the BCM in combination with OP-1 on bone regeneration in a rat mandibular circular critical-sized bone defect in vivo. DESIGN: We used 8 rats that received surgery in both sides of the mandible, and created the total 16 defects which were divided into 4 groups: Group 1; no treatment, as a control, Group 2; BCM alone, Group 3; BCM containing low dose 0...
September 8, 2017: Archives of Oral Biology
https://www.readbyqxmd.com/read/28924734/evaluation-of-a-novel-electrosurgical-sealing-mode-in-an-ex-vivo-and-in-vivo-porcine-model
#17
Karolin Thiel, Walter Linzenbold, Markus D Enderle, B Nold, Alfred Königsrainer, Martin Schenk, Christian Thiel
BACKGROUND: Bipolar vessel sealing has been successfully introduced in a variety of procedures like prostatectomy, hysterectomy, and nephrectomy. In this study, we evaluated a new sealing mode-the thermoSEAL(®) mode (TSM)-operated with the VIO3 generator in an ex vivo and in vivo animal study and compared the results with the commercially available BiClamp mode (BCM), operated with the VIO300D generator. Two different instruments were used in combination with both modes, BiCision(®) and BiClamp(®) 201T (Erbe Elektromedizin GmbH)...
September 18, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28904881/numerical-expression-of-volume-status-using-the-bioimpedance-ratio-in-continuous-ambulatory-peritoneal-dialysis-patients-a-pilot-study
#18
Mun Jang, Won Hak Kim, Jung Hee Lee, Mi Soon Kim, Eun Kyoung Lee, So Mi Kim, Jai Won Chang
BACKGROUND: Volume overload results in higher mortality rates in patients on continuous ambulatory peritoneal dialysis (CAPD). The ratio of bioimpedance (RBI) might be a helpful parameter in adjusting dry body weight in CAPD patients. This study examined whether it is possible to distinguish between non-hypervolemic status and hypervolemic status in CAPD patients by using only RBI. METHODS: RBI was calculated as follows: RBI = impedance at 50 kHz/impedance at 500 kHz...
September 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/28878341/a-botrytis-cinerea-klp-7-kinesin-acts-as-a-virulence-determinant-during-plant-infection
#19
Pamil Tayal, Sumit Raj, Esha Sharma, Manoj Kumar, Vikram Dayaman, Nidhi Verma, Abhimanyu Jogawat, Meenakshi Dua, Rupam Kapoor, Atul Kumar Johri
Botrytis cinerea is a necrotrophic pathogen that infects many important crops. In an attempt to unravel some novel factors that govern pathogenicity in B. cinerea, Agrobacterium tumefaciens mediated transformation (ATMT) was deployed, and a number of tagged transformants were generated. Among these, a mutant, BCM-29 exhibited slower growth rate, reduced conidia size, conidiation and penetration. The mutant was also defective in secretion of oxalic acid (OA) and exhibited reduced activities of polygalacturonase (PG) and pectin methyl esterases (PME)...
September 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28842804/on-understanding-the-chemical-origin-of-band-gaps
#20
J Contreras-García, Carlos Cardenas
Conceptual DFT and quantum chemical topology provide two different approaches based on the electron density to grasp chemical concepts. We present a model merging both approaches, in order to obtain physical properties from chemically meaningful fragments (bonds, lone pairs) in the solid. One way to do so is to use an energetic model that includes chemical quantities explicitly, so that the properties provided by conceptual DFT are directly related to the inherent organization of electrons within the regions provided by topological analysis...
August 25, 2017: Journal of Molecular Modeling
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