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https://www.readbyqxmd.com/read/28548832/compatibility-of-surfactants-and-thermally-activated-persulfate-for-enhanced-subsurface-remediation
#1
Li Wang, Libin Peng, Liling Xie, Peiyan Deng, Dayi Deng
Limited aqueous availability of hydrophobic organic contaminants and nonaqueous phase liquids in subsurface environment may seriously impair the effectiveness of traditional in situ chemical oxidation (ISCO). To tackle the issue, a combination of surfactants and thermally activated persulfate was proposed to enhance the aqueous availability and consequent oxidation of organic contaminants. The compatibility of eight representative nonionic, monovalent anionic, and divalent anionic surfactants with persulfate at various temperatures was first studied, to identify suitable surfactants that have high aqueous stability and low oxidant demands to couple with thermally activated persulfate...
May 26, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28546907/phosphate-framework-electrode-materials-for-sodium-ion-batteries
#2
REVIEW
Yongjin Fang, Jiexin Zhang, Lifen Xiao, Xinping Ai, Yuliang Cao, Hanxi Yang
Sodium ion batteries (SIBs) have been considered as a promising alternative for the next generation of electric storage systems due to their similar electrochemistry to Li-ion batteries and the low cost of sodium resources. Exploring appropriate electrode materials with decent electrochemical performance is the key issue for development of sodium ion batteries. Due to the high structural stability, facile reaction mechanism and rich structural diversity, phosphate framework materials have attracted increasing attention as promising electrode materials for sodium ion batteries...
May 2017: Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
https://www.readbyqxmd.com/read/28546542/low-cesium-rice-mutation-in-ossos2-reduces-radiocesium-in-rice-grains
#3
Satoru Ishikawa, Shimpei Hayashi, Tadashi Abe, Masato Igura, Masato Kuramata, Hachidai Tanikawa, Manaka Iino, Takashi Saito, Yuji Ono, Tetsuya Ishikawa, Shigeto Fujimura, Akitoshi Goto, Hiroki Takagi
In Japan, radiocesium contamination in foods has become of great concern and it is a primary issue to reduce grain radiocesium concentration in rice (Oryza sativa L.). Here, we report a low-cesium rice mutant 1 (lcs1) with the radiocesium concentration in grain about half that in the wild-type cultivar. Genetic analyses revealed that a mutation in OsSOS2, which encodes a serine/threonine-protein kinase required for the salt overly sensitive (SOS) pathway in plants, is responsible for the decreased cesium (Cs) concentrations in lcs1...
May 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28544917/effective-and-safe-mannitol-administration-in-patients-undergoing-supratentorial-tumor-surgery-a-prospective-randomized-and-double-blind-study
#4
Eren Fatma Akcil, Ozlem Korkmaz Dilmen, Esra Sultan Karabulut, Serdar Selcuk Koksal, Fatis Altindas, Yusuf Tunali
OBJECTIVES: Although osmotic diuresis with mannitol is commonly used to provide brain relaxation, there is no consensus regarding its optimal dose and combination with loop diuretics. The aim of the present study is to evaluate the effects of mannitol and combination of furosemide with different doses of mannitol on brain relaxation and on blood electrolytes, lactate level, urine output, fluid balance and blood osmolarity in patients undergoing supratentorial tumor surgery. PATIENTS AND METHODS: This prospective, randomized, double blind, placebo-controlled study included 51 patients (ASA I-III) scheduled for elective supratentorial craniotomy...
May 15, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28542527/genomic-and-transcriptomic-analyses-reveal-adaptation-mechanisms-of-an-acidithiobacillus-ferrivorans-strain-yl15-to-alpine-acid-mine-drainage
#5
Tangjian Peng, Liyuan Ma, Xue Feng, Jiemeng Tao, Meihua Nan, Yuandong Liu, Jiaokun Li, Li Shen, Xueling Wu, Runlan Yu, Xueduan Liu, Guanzhou Qiu, Weimin Zeng
Acidithiobacillus ferrivorans is an acidophile that often occurs in low temperature acid mine drainage, e.g., that located at high altitude. Being able to inhabit the extreme environment, the bacterium must possess strategies to copy with the survival stress. Nonetheless, information on the strategies is in demand. Here, genomic and transcriptomic assays were performed to illuminate the adaptation mechanisms of an A. ferrivorans strain YL15, to the alpine acid mine drainage environment in Yulong copper mine in southwest China...
2017: PloS One
https://www.readbyqxmd.com/read/28540903/recurrent-syndrome-of-inappropriate-antidiuretic-hormone-secretion-due-to-tolterodine-in-an-elderly-male-patient
#6
Abdullah K Alhwiesh, Husain Alsharani, Eman Fathi Ibrahim, Zaid Alanazi, Bushra Ahmed AlGhamdi, Nadia Alaudah, Feras Alzahrani, Adnan Alsarawi, Ashwaqu Almohaws, Ibraheem Saeed Abdurrahman
Hyponatremia is defined as serum sodium of <135 mmol/L and equates with a low serum osmolality once translocational hyponatremia and pseudohyponatremia are ruled out. True hyponatremia develops when normal urine-diluting mechanisms are disturbed. In elderly patients, this complication is not uncommon, especially in nursing homes and assisted living facilities. Medications are often the most common cause of hyponatremia in these patients. Herewith, we reported a 65-year-old Saudi male, a known case of benign prostatic hypertrophy and hypertension, who developed recurrent hyponatremia secondary to tolterodine...
May 2017: Saudi Journal of Kidney Diseases and Transplantation
https://www.readbyqxmd.com/read/28540093/myxedema-crisis-presenting-with-seizures-a-rare-life-threatening-presentation-a-case-report-and-review-of-the-literature
#7
Sonali Sihindi Chapa Gunatilake, Uditha Bulugahapitiya
Myxedema crisis is a life-threatening extreme form of hypothyroidism with a high mortality rate if left untreated. Myxedema crisis is commonly seen in older patients, especially in women, and is associated with signs of hypothyroidism, hypothermia, hyponatraemia, hypercarbia, and hypoxemia. Patients might present with different organ specific symptoms. Seizures are a recognized but rare manifestation of myxedema with a very high mortality rate. Prompt diagnosis and appropriate management may improve the prognosis...
2017: Case Reports in Endocrinology
https://www.readbyqxmd.com/read/28539258/dietary-approaches-to-stop-hypertension-diet-weight-status-and-blood-pressure-among-children-and-adolescents-national-health-and-nutrition-examination-surveys-2003-2012
#8
Juliana F W Cohen, Megan E Lehnerd, Robert F Houser, Eric B Rimm
BACKGROUND: The Dietary Approaches to Stop Hypertension (DASH) diet is associated with lower blood pressure and reduced risk of cardiovascular disease among adults, but little is known about accordance with this dietary pattern or health benefits among children and adolescents. OBJECTIVE: The objectives were to evaluate accordance with the DASH diet, differences over time, and the association with health attributes among a nationally representative sample of US children and adolescents...
May 20, 2017: Journal of the Academy of Nutrition and Dietetics
https://www.readbyqxmd.com/read/28538927/feasibility-of-using-of-a-simplified-question-in-assessing-diet-quality-of-adolescents
#9
Paulo Rogério Melo Rodrigues, Regina Maria Veras Gonçalves-Silva, Márcia Gonçalves Ferreira, Rosangela Alves Pereira
This study aims to analyze the applicability of a simplified question in assessing diet quality of adolescents in a cross-sectional school-based study carried out in a sample of high school students. Diet quality self-perception was obtained when the participant was inquired about own diet considering "excellent", "good", "fair" or "poor" responses. We evaluated meals habits and food intake through food frequency questionnaire. The revised version of the Brazilian Healthy Eating Index (BHEI-R) was estimated and we identified three dietary patterns using factor analysis...
May 2017: Ciência & Saúde Coletiva
https://www.readbyqxmd.com/read/28538196/self-assembly-of-gd-3-sds-hepes-complex-and-curcumin-entrapment-for-enhanced-stability-fluorescence-image-in-cellular-system
#10
Chonticha Sahub, Gamolwan Tumcharern, Prae Chirawatkul, Vithaya Ruangpornvisuti, Sanong Ekgasit, Supasorn Wanichweacharungruang, Thawatchai Tuntulani, Tanapat Palaga, Boosayarat Tomapatanaget
At present, strategies to disperse hydrophobic molecules in water without altering their chemical structures include conventional surfactant-based micellar and vesicular systems, encapsulation into water dispersible polymeric nanoparticles, and loading onto the surface of various metal nanoparticles. Here, we report a simple and low cost platform to incorporate hydrophobic molecules into a stable water dispersible nanostructure that can significantly increase the stability of the encapsulated materials. The platform is based on the incorporation of hydrophobic molecules into the self-assembled complex of gadolinium ion (Gd(3+)), sodium dodecyl sulfate (SDS), and 4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid (HEPES) called GdSH...
May 13, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28537706/sodium-rivals-silver-as-single-atom-active-centers-for-catalyzing-abatement-of-formaldehyde
#11
Yaxin Chen, Jiayi Gao, Zhiwei Huang, Meijuan Zhou, Junxiao Chen, Chao Li, Zhen Ma, Jianmin Chen, Xingfu Tang
The development of efficient alkali-based catalysts for the abatement of formaldehyde (HCHO), a ubiquitous air pollutant, is economically desirable. Here we comparatively study the catalytic performance of two single-atom catalysts, Na1/HMO and Ag1/HMO (HMO = Hollandite manganese oxide), in the complete oxidation of HCHO at low temperatures, in which the products are only CO2 and H2O. These catalysts are synthesized by anchoring single sodium ions or silver atoms on HMO(001) surfaces. Synchrotron X-ray diffraction patterns with structural refinement together with transmission electron microscopy images demonstrate that single sodium ions on the HMO(001) surfaces of Na1/HMO have the same local structures as silver atoms of Ag1/HMO...
May 24, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28537405/in-situ-grown-fe2o3-single-crystallites-on-reduced-graphene-oxide-nanosheets-as-high-performance-conversion-anode-for-sodium-ion-batteries
#12
Ting Li, Aiqiong Qin, Lanlan Yang, Jie Chen, Qiufan Wang, Daohong Zhang, Hanxi Yang
Electrochemical conversion reactions of metal oxides provide a new avenue to build high capacity anodes for sodium-ion batteries. However, the poor rate performance and cyclability of these conversion anodes remain a significant challenge for Na-ion battery applications because the most of conversion anodes suffer from sluggish kinetics and irreversible structural change during cycles. In this paper, we report a Fe2O3 single crystallites/reduced graphene oxide composite (Fe2O3/rGO), where the Fe2O3 single crystallites with a particle size of ~300 nm were uniformly anchored on the rGO nanosheets, which provide a highly conductive framework to facilitate electron transport and a flexible matrix to buffer the volume change of the material during cycling...
May 24, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28536668/brugada-syndrome-in-a-patient-with-vascular-ehlers-danlos-syndrome-sudden-death-risk-amplified
#13
Jason D'Souza, Divyanshu Malhotra, Aditya Goud, Chanukya Dahagam, George Everett
The vast majority of sudden cardiac arrests occur in patients with structural heart disease and in approximately 10% of the cases, it can occur in those with structurally normal hearts. Brugada syndrome is an autosomal dominant sodium channelopathy that has been implicated in sudden deaths. Given their low prevalence, our knowledge about Brugada syndrome is still evolving. Apart from schizophrenia, there have been no reports of associated medical conditions. We recently encountered a patient with vascular Ehlers-Danlos syndrome who was also found to have Brugada syndrome...
April 19, 2017: Curēus
https://www.readbyqxmd.com/read/28535530/mathematical-model-of-potassium-profiling-in-chronic-dialysis
#14
Mauro Ursino, Gabriele Donati
Potassium balance is a difficult task in hemodialysis: low potassium in the dialysate is associated with a high risk of sudden cardiac death, whereas excessive dialysate potassium may provoke insufficient removal and hyperkalemia. A better understanding of the problem can be achieved with the use of mathematical models of solute kinetics. This study is aimed at presenting an improved model of solute kinetics and fluid shifts during hemodialysis. It comprises a 2-compartment (intracellular and extracellular) description of sodium, potassium, and urea, including volume fluid shifts induced by osmotic forces...
2017: Contributions to Nephrology
https://www.readbyqxmd.com/read/28535116/is-mannitol-the-treatment-of-choice-for-patients-with-ciguatera-fish-poisoning
#15
Michael E Mullins, Robert S Hoffman
CONTEXT: Ciguatera fish poisoning arises primarily from consumption of carnivorous reef fish caught in tropical and sub-tropical waters. Ciguatoxins, a class of tasteless, heat-stable, polycyclic toxins produced by dinoflagellates, accumulate through the food chain and concentrate in various carnivorous fish, such as groupers, barracudas, wrasses, amberjack, kingfishes, and eels. Characteristics of ciguatera fish poisoning include early nausea, vomiting, and diarrhea in the first one to two days post ingestion, followed by the appearance of sensory disturbances...
May 23, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28535076/intraarticular-injection-of-a-cross-linked-sodium-hyaluronate-combined-with-triamcinolone-hexacetonide-cingal-to-provide-symptomatic-relief-of-osteoarthritis-of-the-knee-a-randomized-double-blind-placebo-controlled-multicenter-clinical-trial
#16
Laszlo Hangody, Robert Szody, Piotr Lukasik, Wojciech Zgadzaj, Endre Lénárt, Eva Dokoupilova, Daniela Bichovsk, Agnes Berta, Gabor Vasarhelyi, Andrea Ficzere, György Hangody, Gary Stevens, Miklos Szendroi
OBJECTIVE: To evaluate the efficacy and safety of an intraarticular injection of Cingal (Anika Therapeutics, Inc., Bedford, MA) compared with Monovisc (Anika Therapeutics, Inc., Bedford, MA) or saline for the treatment of knee osteoarthritis. DESIGN: This multicenter, double-blind, saline-controlled clinical trial randomized subjects with knee osteoarthritis (Kellgren-Lawrence grades I-III) to a single injection of Cingal (4 mL, 88 mg hyaluronic acid [HA] plus 18 mg triamcinolone hexacetonide [TH]), Monovisc (4 mL, 88 mg HA), or saline (4 mL, 0...
May 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28535067/emulsion-polymerization-with-a-biosurfactant
#17
Aya Kurozuka, Shohei Onishi, Takuto Nagano, Katsumi Yamaguchi, Toyoko Suzuki, Hideto Minami
Emulsion polymerization of styrene was conducted using a biosurfactant (i.e., sodium surfactin, hereinafter called just "surfactin") having very low critical micelle concentration (CMC, 2.9 × 10-3 mmol/L) and biodegradability characteristics. The nucleation mechanism was investigated by comparing with a conventional surfactant (i.e., sodium dodecyl sulfate, SDS) system. Unlike the emulsion polymerization systems using conventional surfactants, nucleation mechanisms changed above CMC in the presence of a biosurfactant...
May 23, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28534826/atp-driven-contraction-of-phage-t3-capsids-with-dna-incompletely-packaged-in-vivo
#18
Philip Serwer, Elena T Wright
Adenosine triphosphate (ATP) cleavage powers packaging of a double-stranded DNA (dsDNA) molecule in a pre-assembled capsid of phages that include T3. Several observations constitute a challenge to the conventional view that the shell of the capsid is energetically inert during packaging. Here, we test this challenge by analyzing the in vitro effects of ATP on the shells of capsids generated by DNA packaging in vivo. These capsids retain incompletely packaged DNA (ipDNA) and are called ipDNA-capsids; the ipDNA-capsids are assumed to be products of premature genome maturation-cleavage...
May 19, 2017: Viruses
https://www.readbyqxmd.com/read/28533959/preservation-media-durations-and-cell-concentrations-of-short-term-storage-affect-key-features-of-human-adipose-derived-mesenchymal-stem-cells-for-therapeutic-application
#19
Fengli Zhang, Huaijuan Ren, Xiaohu Shao, Chao Zhuang, Yantian Chen, Nianmin Qi
BACKGROUND: Adipose-derived mesenchymal stem cells (ADSCs) have shown great potential in the treatment of various diseases. However, the optimum short-term storage condition of ADSCs in 2∼8 °C is rarely reported. This study aimed at optimizing a short-term storage condition to ensure the viability and function of ADSCs before transplantation. METHODS: Preservation media and durations of storage were evaluated by cell viability, apoptosis, adhesion ability and colony-forming unit (CFU) capacity of ADSCs...
2017: PeerJ
https://www.readbyqxmd.com/read/28532163/desodification-from-calcareous-saline-sodic-soil-through-phytoremediation-with-phragmites-australis-cav-trin-ex-steud-and-gypsum
#20
Saeed Akhter Abro, Aijaz Ali Otho, Farooque A Bughio, Oan Mohammad Sahito, Abdul Rauf Jamali, Amanullah Mahar
The reclamation of saline sodic soils requires sodium removal and the phytoremediation is one of the proven low-cost, low-risk technologies for reclaiming such soils. However, the role of P. australis in reclaiming saline sodic soil has not been evaluated extensively. The comparative reclaiming role of P. australis and gypsum was evaluated in a column experiment on a sandy clay saline sodic soil with ECe 74.7 dS m(-1), SAR 63.2, Na(+) 361 g kg(-1) and pH 8.46. The gypsum at 100% soil requirement, planting common reed (P...
May 22, 2017: International Journal of Phytoremediation
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