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https://www.readbyqxmd.com/read/28437474/improvement-of-a-tissue-maceration-technique-for-the-determination-of-placental-involvement-in-schistosomiasis
#1
Martha Charlotte Holtfreter, Heinrich Neubauer, Tanja Groten, Hosny El-Adawy, Jana Pastuschek, Joachim Richter, Dieter Häussinger, Mathias Wilhelm Pletz, Benjamin Thomas Schleenvoigt
Schistosomiasis in pregnancy may cause low birth weight, prematurity and stillbirth of the offspring. The placenta of pregnant women might be involved when schistosome ova are trapped in placental tissue. Standard histopathological methods only allow the examination of a limited amount of placental tissue and are therefore not sufficiently sensitive. Thus, placental schistosomiasis remains underdiagnosed and its role in contributing to schistosomiasis-associated pregnancy outcomes remains unclear. Here we investigated an advanced maceration method in order to recover a maximum number of schistosome ova from the placenta...
April 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28437069/a-new-look-at-the-structural-and-magnetic-properties-of-potassium-neptunate-k2npo4-combining-xrd-xanes-spectroscopy-and-low-temperature-heat-capacity
#2
Anna L Smith, Eric Colineau, Jean-Christophe Griveau, Karin Popa, Guilhem Kauric, Philippe Martin, Andreas C Scheinost, Anthony K Cheetham, Rudy J M Konings
The physicochemical properties of the potassium neptunate K2NpO4 have been investigated in this work using X-ray diffraction, X-ray absorption near edge structure (XANES) spectroscopy at the Np-L3 edge, and low-temperature heat capacity measurements. A Rietveld refinement of the crystal structure is reported for the first time. The Np(VI) valence state has been confirmed by the XANES data, and the absorption edge threshold of the XANES spectrum has been correlated to the Mössbauer isomer shift value reported in the literature...
April 24, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28436140/high-pressure-synthesis-of-fully-occupied-tetragonal-and-cubic-tungsten-bronze-oxides
#3
Yuya Ikeuchi, Hiroshi Takatsu, Cédric Tassel, Yoshihiro Goto, Taito Murakami, Hiroshi Kageyama
A high-pressure reaction yielded the fully occupied tetragonal tungsten bronze K3 W5 O15 (K0.6 WO3 ). The terminal phase shows an unusual transport property featuring slightly negative temperature-dependence in resistivity (dρ/dT<0) and a large Wilson ratio of RW =3.2. Such anomalous metallic behavior possibly arises from the low-dimensional electronic structure with a van Hove singularity at the Fermi level and/or from enhanced magnetic fluctuations by geometrical frustration of the tungsten sublattice...
April 24, 2017: Angewandte Chemie
https://www.readbyqxmd.com/read/28434761/improvement-in-nutritional-status-in-patients-with-chronic-kidney-disease-4-by-a-nutrition-education-program-with-no-impact-on-renal-function-and-determined-by-male-sex
#4
Almudena Pérez-Torres, Elena González Garcia, Helena Garcia-Llana, Gloria Del Peso, Ana María López-Sobaler, Rafael Selgas
OBJECTIVE: Protein-energy wasting (PEW) is associated with increased morbidity and mortality and a rapid deterioration of kidney function in patients with chronic kidney disease (CKD). However, there is little information regarding the effect of nutrition intervention. The aims of this study were to evaluate the efficacy and safety of a nutrition education program (NEP) in patients with nondialysis dependent CKD (NDD-CKD), based on the diagnostic criteria for PEW proposed by the International Society of Renal Nutrition and Metabolism...
April 20, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/28433142/enhanced-degradation-of-chitosan-by-applying-plasma-treatment-in-combination-with-oxidizing-agents-for-potential-use-as-an-anticancer-agent
#5
Chayanaphat Chokradjaroen, Ratana Rujiravanit, Anyarat Watthanaphanit, Sewan Theeramunkong, Nagahiro Saito, Kazuko Yamashita, Ryuichi Arakawa
Solution plasma (SP) treatment in combination with oxidizing agents, i.e., hydrogen peroxide (H2O2), potassium persulfate (K2S2O8) and sodium nitrite (NaNO2) were adopted to chitosan degradation in order to achieve fast degradation rate, low chemicals used and high yield of low-molecular-weight chitosan and chitooligosaccharide (COS). Among the studied oxidizing agents, H2O2 was found to be the best choice in terms of appreciable molecular weight reduction without major change in chemical structure of the degraded products of chitosan...
July 1, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28432841/comparison-of-pneumatic-tube-system-with-manual-transport-for-routine-chemistry-hematology-coagulation-and-blood-gas-tests
#6
Alex Pupek, Beverly Matthewson, Erin Whitman, Rachel Fullarton, Yu Chen
BACKGROUND: The pneumatic tube system (PTS) is commonly used in modern clinical laboratories to provide quick specimen delivery. However, its impact on sample integrity and laboratory testing results are still debatable. In addition, each PTS installation and configuration is unique to its institution. We sought to validate our Swisslog PTS by comparing routine chemistry, hematology, coagulation and blood gas test results and sample integrity indices between duplicate samples transported either manually or by PTS...
April 22, 2017: Clinical Chemistry and Laboratory Medicine: CCLM
https://www.readbyqxmd.com/read/28431808/a-practical-standardized-composite-nutrition-score-based-on-lean-tissue-index-application-in-nutrition-screening-and-prediction-of-outcome-in-hemodialysis-population
#7
Huan-Sheng Chen, Chun-Ting Cheng, Chun-Cheng Hou, Hung-Hsiang Liou, Cheng-Tsung Chang, Chun-Ju Lin, Tsai-Kun Wu, Chang-Hsu Chen, Paik-Seong Lim
OBJECTIVE: Rapid screening and monitoring of nutritional status is mandatory in hemodialysis population because of the increasingly encountered nutritional problems. Considering the limitations of previous composite nutrition scores applied in this population, we tried to develop a standardized composite nutrition score (SCNS) using low lean tissue index as a marker of protein wasting to facilitate clinical screening and monitoring and to predict outcome. DESIGN AND METHODS: This retrospective cohort used 2 databases of dialysis populations from Taiwan between 2011 and 2014...
April 18, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/28430815/soy-and-fish-as-features-of-the-japanese-diet-and-cardiovascular-disease-risks
#8
Yukio Yamori, Miki Sagara, Yoshimi Arai, Hitomi Kobayashi, Kazumi Kishimoto, Ikuko Matsuno, Hideki Mori, Mari Mori
In the World Health Organization (WHO)-coordinated Cardiovascular Disease and Alimentary Comparison Study, isoflavones (I; biomarker for dietary soy) and taurine (T; biomarker for dietary fish) in 24-hour-urine (24U) were inversely related to coronary heart disease (CHD) mortality. High levels of these biomarkers are found in Japanese people, whose CHD mortality is lowest among developed countries. We analyzed the association of these biomarkers with cardiovascular disease risk in the Japanese to know their health effects within one ethnic population...
2017: PloS One
https://www.readbyqxmd.com/read/28426923/potassium-promoted-molybdenum-carbide-as-a-highly-active-and-selective-catalyst-for-co2-conversion-to-co
#9
Marc D Porosoff, Jeffrey W Baldwin, Xi Peng, Giannis Mpourmpakis, Heather D Willauer
The high concentration of CO2 bound in seawater represents a significant opportunity to extract and use this CO2 as a C1 feedstock for synthetic fuels. Through an existing process patented by the U.S. Navy, CO2 and H2 can be concurrently extracted from seawater, then catalytically reacted to produce synthetic fuel. Hydrogenating CO2 directly into liquid hydrocarbons is exceptionally difficult, but by first identifying a catalyst for selective CO production via reverse water-gas shift (RWGS), CO can then be hydrogenated to fuel through Fischer-Tropsch (FT) synthesis...
April 20, 2017: ChemSusChem
https://www.readbyqxmd.com/read/28423943/high-value-added-lipids-produced-by-microorganisms-a-potential-use-of-sugarcane-vinasse
#10
Bruna Soares Fernandes, João Paulo Fernandes Vieira, Fabiano Jares Contesini, Paulo Eduardo Mantelatto, Marcelo Zaiat, José Geraldo da Cruz Pradella
This review aims to present an innovative concept of high value added lipids produced by heterotrophic microorganisms, bacteria and fungi, using carbon sources, such as sugars, acids and alcohols that could come from sugarcane vinasse, which is the main byproduct from ethanol production that is released in the distillation step. Vinasse is a rich carbon source and low-cost feedstock produced in large amounts from ethanol production. In 2019, the Brazilian Ministry of Agriculture, Livestock and Food Supply estimates that growth of ethanol domestic consumption will be 58...
April 20, 2017: Critical Reviews in Biotechnology
https://www.readbyqxmd.com/read/28423897/orders-of-magnitude-reduction-of-rapid-coagulation-rate-with-decreasing-size-of-silica-nanoparticles
#11
Ko Higashitani, Kouta Nakamura, Takuya Shimamura, Tomonori Fukasawa, Katsumi Tsuchiya, Yasushige Mori
The modification of the classical Smoluchowski theory for the rapid coagulation rate of colloidal particles, which takes account of the effect of the squeezing flow between colliding particles, has been widely accepted, because it predicts experimental results adequately. However, it is not clear whether the modified theory, in which the coagulation rate is independent of particle size, is applicable even to nanoparticles in solutions. In the present study, the rapid coagulation rates of silica particles in various 2M chloride and 1M potassium solutions were measured by using a low angle light scattering apparatus, and the dependence of rapid coagulation rate on the particle diameter, Dp, was investigated extensively...
April 20, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28421120/in-vitro-and-in-vivo-studies-on-quercus-acuta-thunb-fagaceae-extract-active-constituents-serum-uric-acid-suppression-and-xanthine-oxidase-inhibitory-activity
#12
In-Soo Yoon, Dae-Hun Park, Min-Suk Bae, Deuk-Sil Oh, Nan-Hui Kwon, Jung-Eun Kim, Chul-Yung Choi, Seung-Sik Cho
Quercus acuta Thunb. (Fagaceae) (QA) is cultivated as a dietary and ornamental plant in China, Japan, South Korea, and Taiwan. It has been widely used as the main ingredient of acorn tofu, a traditional food in China and South Korea. The aim of this study was to determine in vitro and in vivo xanthine oxidase (XO) inhibitory and antihyperuricemic activities of an ethyl acetate extract of QA leaf (QALE) and identify its active phytochemicals using gas chromatography-mass spectrometry (GC-MS) and liquid chromatography (LC) systems...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28420751/control-of-potassium-homeostasis-is-an-essential-function-of-the-second-messenger-cyclic-di-amp-in-bacillus-subtilis
#13
Jan Gundlach, Christina Herzberg, Volkhard Kaever, Katrin Gunka, Tamara Hoffmann, Martin Weiß, Johannes Gibhardt, Andrea Thürmer, Dietrich Hertel, Rolf Daniel, Erhard Bremer, Fabian M Commichau, Jörg Stülke
The second messenger cyclic di-adenosine monophosphate (c-di-AMP) is essential in the Gram-positive model organism Bacillus subtilis and in related pathogenic bacteria. It controls the activity of the conserved ydaO riboswitch and of several proteins involved in potassium (K(+)) uptake. We found that the YdaO protein was conserved among several different bacteria and provide evidence that YdaO functions as a K(+) transporter. Thus, we renamed the gene and protein KimA (K(+) importer A). Reporter activity assays indicated that expression beyond the c-di-AMP-responsive riboswitch of the kimA upstream regulatory region occurred only in bacteria grown in medium containing low K(+) concentrations...
April 18, 2017: Science Signaling
https://www.readbyqxmd.com/read/28420709/thermal-imprinting-modifies-adult-stress-and-innate-immune-responsiveness-in-the-teleost-sea-bream
#14
Ana Patrícia Mateus, Rita Costa, João C R Cardoso, Karl B Andree, Alicia Estévez, Enric Gisbert, Deborah M Power
The impact of thermal imprinting during development on the plasticity of the hypothalamic-pituitary-interrenal (HPI) axis and stress response in an adult ectotherm, the gilthead sea bream (Sparus aurata, L.), was assessed. Fish were reared under 4 thermal regimes and the resulting adults exposed to acute confinement stress and plasma cortisol levels and genes of the HPI axis monitored. Changes in immune function, a common result of stress, was also evaluated using histomorphometric measurements of melano-macrophages centres (MMCs) in the head kidney and by monitoring macrophage related transcripts...
April 18, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28420122/the-effect-of-salt-intake-and-potassium-supplementation-on-serum-gastrin-levels-in-chinese-adults-a-randomized-trial
#15
Yuan-Yuan Wang, Wen-Wen He, Yan-Chun Liu, Yi-Feng Lin, Lu-Fei Hong
Excess dietary salt is strongly correlated with cardiovascular disease, morbidity, and mortality. Conversely, potassium likely elicits favorable effects against cardiovascular disorders. Gastrin, which is produced by the G-cells of the stomach and duodenum, can increase renal sodium excretion and regulate blood pressure by acting on the cholecystokinin B receptor. The aim of our study was to assess the effects of altered salt and potassium supplementation on serum gastrin levels in humans. A total of 44 subjects (38-65 years old) were selected from a rural community in northern China...
April 14, 2017: Nutrients
https://www.readbyqxmd.com/read/28419159/oral-potassium-supplementation-for-management-of-essential-hypertension-a-meta-analysis-of-randomized-controlled-trials
#16
Jalal Poorolajal, Fatemeh Zeraati, Ali Reza Soltanian, Vida Sheikh, Elham Hooshmand, Akram Maleki
IMPORTANCE: Increased dietary potassium intake is thought to be associated with low blood pressure (BP). Whether potassium supplementation may be used as an antihypertensive agent is a question that should be answered. OBJECTIVE: To assess the effect of oral potassium supplementation on blood pressure in patients with primary hypertension. SEARCH METHODS: We searched Medline, Web of Science, Scopus, Cochrane Central Register of Controlled Trials until October 2016...
2017: PloS One
https://www.readbyqxmd.com/read/28416857/compositional-variability-of-nutrients-and-phytochemicals-in-corn-after-processing
#17
P S Prasanthi, N Naveena, M Vishnuvardhana Rao, K Bhaskarachary
The result of various process strategies on the nutrient and phytochemical composition of corn samples were studied. Fresh and cooked baby corn, sweet corn, dent corn and industrially processed and cooked popcorn, corn grits, corn flour and corn flakes were analysed for the determination of proximate, minerals, xanthophylls and phenolic acids content. This study revealed that the proximate composition of popcorn is high compared to the other corn products analyzed while the mineral composition of these maize products showed higher concentration of magnesium, phosphorus, potassium and low concentration of calcium, manganese, zinc, iron, copper, and sodium...
April 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28414733/absence-of-antibodies-against-kir4-1-in-multiple-sclerosis-a-three-technique-approach-and-systematic-review
#18
Miquel Navas-Madroñal, Ana Valero-Mut, María José Martínez-Zapata, Manuel Javier Simón-Talero, Sebastián Figueroa, Nuria Vidal-Fernández, Mariana López-Góngora, Antonio Escartín, Luis Querol
INTRODUCTION: Antibodies targeting the inward-rectifying potassium channel KIR4.1 have been associated with multiple sclerosis (MS) but studies using diverse techniques have failed to replicate this association. The detection of these antibodies is challenging; KIR4.1 glycosylation patterns and the use of diverse technical approaches may account for the disparity of results. We aimed to replicate the association using three different approaches to overcome the technical limitations of a single technique...
2017: PloS One
https://www.readbyqxmd.com/read/28414668/autoimmune-diabetes-presented-with-diabetic-ketoacidosis-induced-by-immunotherapy-in-an-adult-with-melanoma
#19
A A Alzenaidi, J Dendy, L Rejjal
INTRODUCTION: Immunotherapy has been approved for treatment of melanoma. Autoimmune endocrinopathies have been reported in trials involving immunotherapy but autoimmune diabetes has not been definitively linked to them. Here we describe a case of autoimmune diabetes presenting with DKA after receiving combined immunotherapy with anti-CTLA4 and anti-PD1 monoclonal antibodies. CASE: A 47year old gentleman with metastatic melanoma presented to our institution with confusion, abdominal pain and decreased oral intake...
March 2017: Journal of the Louisiana State Medical Society: Official Organ of the Louisiana State Medical Society
https://www.readbyqxmd.com/read/28413666/renal-cell-carcinoma-presenting-as-a-simple-renal-cyst-a-case-report
#20
Yanlan Yu, Liang Ma, Zhenghui Wang, Zhigen Zhang
Cases of renal cell carcinoma (RCC) presenting as a simple cyst are extremely rare. We herein report the case of a patient with RCC diagnosed as a simple renal cyst preoperatively. A 39-year-old female patient presented with abdominal pain for 3 months. Ultrasonography and contrast-enhanced computed tomography revealed a simple cyst in the left kidney. The patient underwent laparoscopic decortication of the renal cyst. Biochemical analysis of the cystic fluid revealed unusually low levels of potassium, sodium, calcium and glucose, and the histological examination of the floor of the cyst indicated malignancy...
April 2017: Molecular and Clinical Oncology
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