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https://www.readbyqxmd.com/read/28106712/very-low-protein-diet-vlpd-reduces-metabolic-acidosis-in-subjects-with-chronic-kidney-disease-the-nutritional-light-signal-of-the-renal-acid-load
#1
Biagio Raffaele Di Iorio, Lucia Di Micco, Stefania Marzocco, Emanuele De Simone, Antonietta De Blasio, Maria Luisa Sirico, Luca Nardone, On Behalf Of Ubi Study Group
BACKGROUND: Metabolic acidosis is a common complication of chronic kidney disease; current guidelines recommend treatment with alkali if bicarbonate levels are lower than 22 mMol/L. In fact, recent studies have shown that an early administration of alkali reduces progression of CKD. The aim of the study is to evaluate the effect of fruit and vegetables to reduce the acid load in CKD. METHODS: We conducted a case-control study in 146 patients who received sodium bicarbonate...
January 17, 2017: Nutrients
https://www.readbyqxmd.com/read/28106303/porous-one-dimensional-nanomaterials-design-fabrication-and-applications-in-electrochemical-energy-storage
#2
REVIEW
Qiulong Wei, Fangyu Xiong, Shuangshuang Tan, Lei Huang, Esther H Lan, Bruce Dunn, Liqiang Mai
Electrochemical energy storage technology is of critical importance for portable electronics, transportation and large-scale energy storage systems. There is a growing demand for energy storage devices with high energy and high power densities, long-term stability, safety and low cost. To achieve these requirements, novel design structures and high performance electrode materials are needed. Porous 1D nanomaterials which combine the advantages of 1D nanoarchitectures and porous structures have had a significant impact in the field of electrochemical energy storage...
January 20, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28105891/friction-of-sodium-alginate-hydrogel-scaffold-fabricated-by-3-d-printing
#3
Qian Yang, Jian Li, Heng Xu, Shijun Long, Xuefeng Li
A rapid prototyping technology, formed by three-dimensional (3-D) printing and then crosslinked by spraying Ca(2+) solution, is developed to fabricate a sodium alginate (SA) hydrogel scaffold. The porosity, swelling ratio, and compression modulus of the scaffold are investigated. A friction mechanism is developed by studying the reproducible friction behavior. Our results show that the scaffold can have 3-D structure with a porosity of 52%. The degree of swelling of the SA hydrogel scaffold is 8.5, which is nearly the same as bulk SA hydrogel...
January 20, 2017: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/28104732/iatrogenic-cushing-s-syndrome-due-to-topical-ocular-glucocorticoid-treatment
#4
Daisuke Fukuhara, Toshihiko Takiura, Hiroshi Keino, Annabelle A Okada, Kunimasa Yan
Iatrogenic Cushing's syndrome (CS) is a severe adverse effect of systemic glucocorticoid (GC) therapy in children, but is extremely rare in the setting of topical ocular GC therapy. In this article, we report the case of a 9-year-old girl suffering from idiopathic uveitis who developed CS due to topical ocular GC treatment. She was referred to the ophthalmology department with a complaint of painful eyes, at which time she was diagnosed with bilateral iridocyclitis and started on a treatment of betamethasone sodium phosphate eye drops...
January 19, 2017: Pediatrics
https://www.readbyqxmd.com/read/28103616/l-lysine-acts-as-a-serotonin-type-4-receptor-antagonist-to-counteract-in-vitro-and-in-vivo-the-stimulatory-effect-of-serotonergic-agents-on-aldosterone-secretion-in-man
#5
C Duparc, C André, J Ménard, B Godouet-Getti, J Wils, A F Cailleux, L Moreau-Grangé, E Louiset, H Lefebvre
In the normal human adrenal gland, serotonin (5-HT) stimulates aldosterone secretion through the 5-HT4 receptor (5-HT4R). However, the physiological role of the serotonergic control of adrenocortical function is not known. In the present study, we have investigated the ability of l-Lysine, which has been shown to act as a 5-HT4 receptor antagonist, to counteract in vitro and in vivo the stimulatory effect of 5-HT4R agonists on aldosterone production. l-Lysine was found to inhibit aldosterone production induced by 5-HT and the 5-HT4R agonists BIMU8 from cultured human adrenocortical cells...
January 19, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28103195/the-enhancement-of-nasal-drug-absorption-from-powder-formulations-by-the-addition-of-sodium-carboxymethyl-cellulose
#6
Akiko Tanaka, Tomoyuki Furubayashi, Hitomi Yamasaki, Katsuko Takano, Mayuko Kawakami, Shunsuke Kimura, Daisuke Inoue, Hidemasa Katsumi, Toshiyasu Sakane, Akira Yamamoto
For nasal drug absorption, powder formulations can be expected to provide many advantages. The first aim of this study was to examine drug absorption following nasal administration of powder formulations in rats. Pharmaceutical excipients are typically added to most powder formulations. The second aim was to investigate the change in nasal drug absorption of powder formulations in the presence of sodium carboxymethyl cellulose (CMC-Na). Model drugs used were norfloxacin (NFX), warfarin (WF), and piroxicam (PXC)...
January 4, 2017: IEEE Transactions on Nanobioscience
https://www.readbyqxmd.com/read/28102926/sodiation-based-in-source-collision-for-profiling-of-pyranocoumarins-in-radix-peucedani-qianhu-utility-of-sodium-adducts-stability-with-in-source-collision
#7
Wei Yang, Yingfei Li, Chen Kang, Haiyu Zhao, Li Xiang, Chuan Li, Qiao Wang
Full scan mode of liquid chromatography-mass spectrometry equipped with an electrospray ionization source offers a chance on global detection of complicated components; however, the scan mode carries significant challenges in rapidly capturing information of analysts. Sodiation-based in-source collision was proposed here, as a technique for rapid detecting untargeted analytes in full scan analysis, which was based on the stability of sodium adducts and the nonselectivity of in-source collision. Then the technique was applied to profile of angular-type pyranocoumarins (APs) in Radix Peucedani, with full scan analysis performed at two specific in-source collision energy: a high energy 50 V that is tolerated by the sodium adducts of APs, and a low energy 10 V, at which abundant adducts were offered...
January 19, 2017: Journal of Mass Spectrometry: JMS
https://www.readbyqxmd.com/read/28102497/regulated-partitioning-of-fixed-carbon-14-c-sodium-na-potassium-k-and-glycine-betaine-determined-salinity-stress-tolerance-of-gamma-irradiated-pigeonpea-cajanus-cajan-l-millsp
#8
Pankaj Kumar, Vasundhara Sharma, Chobhe Kapil Atmaram, Bhupinder Singh
Soil salinity is a major constraint that limits legume productivity. Pigeonpea is a salt sensitive crop. Seed gamma irradiation at a very low dose (2.5 Gy) is known to enhance seedling establishment, plant growth and yield of cereals and other crops. The present study conducted using two genetically diverse varieties of pigeonpea viz., Pusa-991 and Pusa-992 aimed at establishing the role of pre-sowing seed gamma irradiation at 0, 0.0025, 0.005, 0.01, 0.02, 0.05 and 0.1 kGy on plant growth, seed yield and seed quality under salt stress at 0, 80 and 100 mM NaCl (soil solution EC equivalent 1...
January 19, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28101466/characterization-of-the-effect-of-drug-drug-interaction-on-protein-binding-in-concurrent-administration-of-sulfamethoxazol-and-diclofenac-sodium-using-bovine-serum-albumin
#9
Md Kamal Hossain, Amina Khatun, Mahmudur Rahman, Md Nahid Akter, Sadia Afreen Chowdhury, Sm Mahbubul Alam
Purpose: This project was aimed to determine the effect of concurrent administration of sulfamethoxazole and diclofenac sodium. Methods: Equilibrium dialysis method was adopted to study different protein binding aspects of sulfamethoxazole and diclofenac sodium. Results: Sulfamethoxazole showed two types of association constants; high affinity constant 29.0±0.20×10(6) M(-1) with lower number of binding sites of 0.7±1 and low affinity constant 1.13±0.20×10(6) M(-1) with higher number of binding sites of 3...
December 2016: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/28101399/stimulus-evoked-outer-segment-changes-occur-before-the-hyperpolarization-of-retinal-photoreceptors
#10
Yiming Lu, Benquan Wang, David R Pepperberg, Xincheng Yao
Transient retinal phototropism (TRP) has been predominantly observed in rod photoreceptors activated by oblique visible light stimulation. Dynamic confocal microscopy and optical coherence tomography (OCT) have revealed rod outer segment (ROS) movement as the physical source of TRP. However, the physiological source of ROS movement is still not well understood. In this study, concurrent near-infrared imaging of TRP and electroretinogram (ERG) measurement of retinal electrophysiology revealed that ROS movement occurs before the onset of the ERG a-wave, which is known to reflect the hyperpolarization of retinal photoreceptors...
January 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28099971/warfarin-associated-nonuremic-calciphylaxis
#11
Wesley Yung-Hsu Yu, Tina Bhutani, Rachel Kornik, Laura B Pincus, Theodora Mauro, Michael D Rosenblum, Lindy P Fox
Importance: Classic calciphylaxis associated with renal failure is a life-threatening disease. Warfarin-associated calciphylaxis without renal injury has been described, but whether it is a subset of classic calciphylaxis or a different entity remains unknown. We describe 1 case of warfarin-associated calciphylaxis, present data from 2 others from our institution, and review all cases of warfarin-associated calciphylaxis available in the literature. Our review indicates that warfarin-associated calciphylaxis is clinically and pathophysiologically distinct from classic calciphylaxis...
January 11, 2017: JAMA Dermatology
https://www.readbyqxmd.com/read/28099471/molybdate-in-rhizobial-seed-coat-formulations-improves-the-production-and-nodulation-of-alfalfa
#12
Jiqiong Zhou, Bo Deng, Yingjun Zhang, Adam B Cobb, Zhao Zhang
Rhizobia-legume symbiosis is the most well researched biological nitrogen fixation system. Coating legume seeds with rhizobia is now a recognized practical measure for improving the production of legume corp. However, the efficacy of some commercial rhizobia inoculants cannot be guaranteed in China due to the low rate of live rhizobia in these products. A greenhouse experiment was conducted to assess the effects of different rhizobial inoculant formulations on alfalfa productivity and nitrogen fixation. Two rhizobia strains, (ACCC17631 and ACCC17676), that are effective partners with alfalfa variety Zhongmu No...
2017: PloS One
https://www.readbyqxmd.com/read/28098231/reduced-graphene-oxide-as-a-stable-and-high-capacity-cathode-material-for-na-ion-batteries
#13
Ghulam Ali, Asad Mehmood, Heung Yong Ha, Jaehoon Kim, Kyung Yoon Chung
We report the feasibility of using reduced graphene oxide (RGO) as a cost-effective and high performance cathode material for sodium-ion batteries (SIBs). Graphene oxide is synthesized by a modified Hummers' method and reduced using a solid-state microwave irradiation method. The RGO electrode delivers an exceptionally stable discharge capacity of 240 mAh g(-1) with a stable long cycling up to 1000 cycles. A discharge capacity of 134 mAh g(-1) is obtained at a high current density of 600 mA g(-1), and the electrode recovers a capacity of 230 mAh g(-1) when the current density is reset to 15 mA g(-1) after deep cycling, thus demonstrating the excellent stability of the electrode with sodium de/intercalation...
January 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28097861/light-driven-au-wo3-c-janus-micromotors-for-rapid-photodegradation-of-dye-pollutants
#14
Qilu Zhang, Renfeng Dong, Yefei Wu, Wei Gao, Zihan He, Biye Ren
A novel light-driven Au-WO3@C Janus micromotor based on colloidal carbon WO3 nanoparticle composite spheres (WO3@C) prepared by one-step hydrothermal treatment is described. The Janus micromotors can move in aqueous media at a speed of 16 μm/s under 40 mW/cm2 UV light due to diffusiophoretic effects. The propulsion of such Au-WO3@C Janus micromotors (diameter ~1.0 μm) can be generated by UV light in pure water without any external chemical fuels and readily modulated by light intensity. After depositing a paramagnetic Ni layer between Au layer and WO3, the motion direction of the micromotor can be precisely controlled by an external magnetic field...
January 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28096663/pressure-ulcers-in-palliative-ward-patients-hyponatremia-and-low-blood-pressure-as-indicators-of-risk
#15
Danuta Sternal, Krzysztof Wilczyński, Jan Szewieczek
BACKGROUND: Prevention strategies for pressure ulcer formation remain critical in patients with an advanced illness. We analyzed factors associated with the development of pressure ulcers in patients hospitalized in a palliative care ward setting. PATIENTS AND METHODS: This study was a retrospective analysis of 329 consecutive patients with a mean age (± standard deviation) of 70.4±11.8 years (range: 30-96 years, median 70.0 years; 55.3% women), who were admitted to the Palliative Care Department between July 2012 and May 2014...
2017: Clinical Interventions in Aging
https://www.readbyqxmd.com/read/28096435/regulation-of-aldosterone-secretion-by-mineralocorticoid-receptor-mediated-signaling
#16
Cherish Chong, Anis Hamid, Tham Yao, Amanda Garza, Luminita Pojoga, Gail K Adler, Jose R Romero, Gordon H Williams
We posit the existence of a paracrine/autocrine negative feedback loop, mediated by the mineralocorticoid receptor (MR), regulating aldosterone secretion. To assess this hypothesis we asked whether altering MR activity in zona glomerulosa (ZG) cells affects aldosterone production. To this end, we studied ex vivo ZG cells isolated from male Wistar rats fed chow containing either high (1.6% Na+ [HS]) or low (0.03% Na+ [LS]) amount of sodium. Western blot analyses demonstrated that MR was present in both the ZG and zona fasciculata/zona reticularis (ZF/ZR/ZR)...
January 17, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28095321/cellulose-to-depolymerize%C3%A2-or-not-to
#17
REVIEW
Sergiu Coseri
Oxidation of the primary OH groups in cellulose is a pivotal reaction both at lab and industrial scale, leading to the value-added products, i.e. oxidized cellulose which have tremendous applications in medicine, pharmacy and hi-tech industry. Moreover, the introduction of carboxyl moieties creates prerequisites for further cellulose functionalization through covalent attachment or electrostatic interactions, being an essential achievement designed to boost the area of cellulose-based nanomaterials fabrication...
January 14, 2017: Biotechnology Advances
https://www.readbyqxmd.com/read/28094026/nanoporous-hydroxyapatite-sodium-titanate-bilayer-on-titanium-implants-for-improved-osteointegration
#18
A Carradò, F Perrin-Schmitt, Q V Le, M Giraudel, C Fischer, G Koenig, L Jacomine, L Behr, A Chalom, L Fiette, A Morlet, G Pourroy
OBJECTIVE: The aim of this study was to improve the strength and quality of the titanium-hydroxyapatite interface in order to prevent long-term failure of the implanted devices originating from coating delamination and to test it in an in-vivo model. METHODS: Ti disks and dental commercial implants were etched in Kroll solution. Thermochemical treatments of the acid-etched titanium were combined with sol-gel hydroxyapatite (HA) coating processes to obtain a nanoporous hydroxyapatite/sodium titanate bilayer...
January 13, 2017: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/28091865/improving-the-diagnostic-workup-of-hyponatremia-in-the-setting-of-kidney-disease-a-continuing-medical-education-cme-initiative
#19
Ladan Golestaneh, Joel Neugarten, William Southern, Faraj Kargoli, Amanda Raff
PURPOSE: Hyponatremia is a common electrolyte disorder and is associated with mortality. We examined the frequency of appropriate testing in response to an episode of inpatient hyponatremia in a large urban hospital to better inform our educational intervention. We then evaluated the impact of a live CME activity with a focus on CKD- and ESRD-associated hyponatremia physiology, on diagnostic practices of audience hospitalist attendings. METHODS: We performed a retrospective database analysis of all patients admitted to Montefiore Medical Center in 2014 to examine the performance of hospital staff in response to hyponatremia across all CKD stages...
January 13, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/28091677/model-cheese-aroma-perception-is-explained-not-only-by-in-vivo-aroma-release-but-also-by-salivary-composition-and-oral-processing-parameters
#20
E Guichard, M Repoux, E M Qannari, H Laboure, G Feron
The aim of the present paper was to determine, from four model cheeses differing in fat content and firmness and consumed by fourteen well characterised subjects, the respective impacts of in vivo aroma release, bolus rheology, chewing activity, mouth coating and salivary composition on dynamic aroma perception. The originality of the approach is that it considers all the parameters together and is able to evaluate their relative contribution using multi-block partial least square (MB-PLS) regression. The fruity aroma perception of the more hydrophilic compound (ethyl propanoate) was related to its dynamic release parameters before swallowing whereas the blue cheese aroma perception of the more hydrophobic compound (nonan-2-one) was related to its dynamic release parameters after swallowing and was highly impacted by mouth coating...
January 16, 2017: Food & Function
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