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https://www.readbyqxmd.com/read/29137703/fabrication-of-a-novel-aptasensor-based-on-three-dimensional-reduced-graphene-oxide-polyaniline-gold-nanoparticle-composite-as-a-novel-platform-for-high-sensitive-and-specific-cocaine-detection
#1
Pegah Hashemi, Hasan Bagheri, Abbas Afkhami, Yalda Hosseinzadeh Ardakani, Tayyebeh Madrakian
In the present research, we have developed a novel label free aptasensor based on screen printed carbon electrode (SPCE) modified with three-dimensional magnetic reduced graphene oxide(3D-MRGO)/polyaniline(PA)/gold nanoparticle(AuNP) nanocomposite for impedimetric determination of cocaine. To achieve this goal, a specific thiolated cocaine aptamer was immobilized onto the surface of synthesized nanocomposite. The signaling mechanism of the proposed aptasensor was based on increase in the [Fe(CN)6](3-/4-) charge transfer resistance (RCT) as an electrochemical probe in the presence of target analyte...
December 15, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/29137593/central-pontine-myelinolysis-after-living-donor-liver-transplant-a-report-of-2-cases
#2
Ya-Lan Hsu, Chia-En Hsieh, Kuo-Hua Lin, Chen-Te Chou, Ping-Yi Lin, Su-Han Wang, Yao-Li Chen
Here, we present 2 patients who developed central pontine myelinolysis after living-donor liver transplant. Both patients had abnormal sodium level before living-donor liver transplant. Patient 1 presented with severe hyponatremia on admission. After administration of 3% saline, her sodium level during the first 24 hours was kept at 100 mEq/L and then increased to 116 mEq/L during the next 24 hours. The level increased 5.8 mEq/L during the 4- to 5-hour transplant procedure. Patient 2 was admitted to the hospital with an unprovoked seizure...
November 15, 2017: Experimental and Clinical Transplantation
https://www.readbyqxmd.com/read/29135397/electrolytes-imbalance-caused-by-amikacin-in-patients-receiving-multi-drug-resistance-tuberculosis-treatment-at-hazara-region-kpk-pakistan
#3
Faheem Jan, Mukhtiar Hassan, Naveed Muhammad, Shahid Wali, Hafiz Sajid Akbar, Qazi Mashhood Atta, Farzana Gul
Introduction: Multi drug resistance-tuberculosis (MDR-TB) is considered amongst one of the fatal medical and public health issue. Greater frequency of adverse reactions has been observed using 2nd line antituberculosis drugs, which rises the rate of morbidity. Hypokalemia and hyponatremia are common in patients receiving MDR-TB treatment. Materials and Methods: This study was aimed to assess the effect of amikacin as multidrug resistance tuberculosis treatment on serum sodium and potassium level...
September 2017: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/29132427/risk-of-falling-among-hospitalized-patients-with-high-modified-morse-scores-could-be-further-stratified
#4
Irina Gringauz, Yael Shemesh, Amir Dagan, Irina Israelov, Dana Feldman, Naama Pelz-Sinvani, Dan Justo, Gad Segal
BACKGROUND: Falls during hospitalization harbor both clinical and financial outcomes. The modified Morse fall scale [MMFS] is widely used for an in-hospital risk-of-fall assessment. Nevertheless, the majority of patients at risk of falling, i.e. with high MMFS, do not fall. The aim of this study was to ascertain our study hypothesis that certain patients' characteristics (e.g. serum electrolytes, usage of a walking device etc.) could further stratify the risk of falls among hospitalized patients with MMFS...
November 13, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/29132411/an-isolated-elevation-in-blood-urea-level-is-not-uraemia-and-not-an-indication-for-renal-replacement-therapy-in-the-icu
#5
EDITORIAL
Jack Mackenzie, Bobby Chacko
The decision to initiate renal replacement therapy (RRT) and the optimal timing for commencement is a difficult decision faced by clinicians when treating acute kidney injury (AKI) in the intensive care setting. Without clinically significant ureamic symptoms or emergent indications (electrolyte abnormalities, volume overload) the timing of RRT initiation remains contentious and inconsistent across health providers. Current trends of initiating RRT in the ICU are often based on isolated blood urea levels without clear guidelines demonstrating an upper limit for treatment...
November 13, 2017: Critical Care: the Official Journal of the Critical Care Forum
https://www.readbyqxmd.com/read/29128861/atrial-cardiomyopathy-in-an-adult-labrador-retriever-dog
#6
E Bomassi, J Rousselot, S Libermann, I Raymond Letron, S Etchepareborde, C Misbach
A 7-year-old castrated male Labrador retriever was examined for a 10-day history of weakness and syncope. Physical examination revealed bradycardia and a grade III/VI left apical systolic heart murmur. Electrocardiography demonstrated bradycardia, absence of P waves and an atrio-ventricular nodal escape rhythm. Echocardiography revealed marked biatrial enlargement. Thoracic radiographs showed no evidence of pulmonary edema. Routine plasma biochemistry and electrolytes, basal serum cortisol, total thyroxin concentration, and complete blood count were within normal limits...
November 2017: Schweizer Archiv Für Tierheilkunde
https://www.readbyqxmd.com/read/29128713/non-enzymatic-electrochemical-detection-of-glucose-with-a-disposable-paper-based-sensor-using-a-cobalt-phthalocyanine-ionic-liquid-graphene-composite
#7
Sudkate Chaiyo, Eda Mehmeti, Weena Siangproh, Thai Long Hoang, Hai Phong Nguyen, Orawon Chailapakul, Kurt Kalcher
We introduce for the first time a paper-based analytical device (PAD) for the non-enzymatic detection of glucose by modifying a screen-printed carbon electrode with cobalt phthalocyanine, graphene and an ionic liquid (CoPc/G/IL/SPCE). The modifying composite was characterized by UV-visible spectroscopy, energy dispersive X-ray spectroscopy (EDX), transmission electron microscopy (TEM) and scanning electron microscopy (SEM). The disposable devices show excellent conductivity and fast electron transfer kinetics...
November 9, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/29121712/epidemiologic-incidence-of-rhabdomyolysis-in-opioid-overdose-in-icu-of-poisoning-center-in-iran-2014
#8
Babak Khoshideh, Mohammad Arefi, Mazaher Ghorbani, Samaneh Akbarpour, Fatemeh Taghizadeh
Objectives: The aim of this study is to investigate the clinical, demographical characteristics and some laboratory findings of hospitalized patients with acute opioid toxicity and rhabdomyolysis. Methods: In this cross-sectional study, 354 hospitalized patients were investigated at Baharloo Educational Hospital in Tehran, with acute illicit drug toxicity in 2014. Data was collected by an investigator-made check lists. The collected data and variations (such as mortality rate, demographic data, and renal function tests as well as serum biochemical elements) were analyzed by descriptive statistics and x-square test...
November 8, 2017: Epidemiology and Health
https://www.readbyqxmd.com/read/29120656/-syndrome-of-inappropriate-antidiuresis-and-the-current-management-of-hyponatremia
#9
Ivica Lazúrová
Hyponatremia defined as serum sodium lower than 135 mmol/L is the most common electrolyte abnormality in outpatients and also in hospitalized patients. It has been documented that hyponatremia is associated with significantly higher morbidity, mortality and longer hospitalization stay. Hyponatremia is manifested by variety of symptoms, from mild up to life threatening conditions. Syndrome of inappropriate antidiuresis (SIAD) is the most common type of hyponatremia. This article presents new aspects in the etiology, diagnosis, differential diagnosis ant treatment of the SIAD according to European guidelines...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/29117629/medical-and-dietary-interventions-for-preventing-recurrent-urinary-stones-in-children
#10
REVIEW
Adam Kern, Gwen Grimsby, Helen Mayo, Linda A Baker
BACKGROUND: Nephrolithiasis, or urinary stone disease, in children causes significant morbidity, and is increasing in prevalence in the North American population. Therefore, medical and dietary interventions (MDI) for recurrent urinary stones in children are poised to gain increasing importance in the clinical armamentarium. OBJECTIVES: To assess the effects of medical and dietary interventions (MDI) for the prevention of idiopathic urinary stones in children aged from one to 18 years...
November 9, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/29117214/u-shaped-relationship-between-serum-phosphate-and-cardiovascular-risk-a-retrospective-cohort-study
#11
Nicholas Hayward, Andrew McGovern, Simon de Lusignan, Nicholas Cole, William Hinton, Simon Jones
BACKGROUND: High serum phosphate is associated with coronary artery disease in patients with normal and impaired renal function. We asked: Does the serum phosphate range provide prediction of primary cardiac events? We extracted coded primary care data for over 100,000 patients from a database of 135 primary medical practices. Patients aged between 18 and 90 years without pre-existing cardiovascular diagnoses were included from a potential sample of over 1·2 million individuals. METHODS AND FINDINGS: Binary logistic regression models were used to evaluate the contribution of QRISK factors and electrolytes, including serum phosphate, to cardiac outcomes at five and nine years following an initial phosphate measurement...
2017: PloS One
https://www.readbyqxmd.com/read/29114754/acute-kidney-injury
#12
REVIEW
Andrew S Levey, Matthew T James
Acute kidney injury is a heterogeneous group of conditions characterized by a sudden decrease in glomerular filtration rate, manifested by an increase in serum creatinine concentration or oliguria, and classified by stage and cause. This type of injury occurs in approximately 20% of hospitalized patients, with major complications including volume overload, electrolyte disorders, uremic complications, and drug toxicity. Management includes specific treatments according to the underlying cause and supportive treatment to prevent and manage complications...
November 7, 2017: Annals of Internal Medicine
https://www.readbyqxmd.com/read/29111277/resolution-of-ketoacidosis-in-children-with-new-onset-diabetes-evaluation-of-various-definitions
#13
Julia E von Oettingen, Erinn T Rhodes, Joseph I Wolfsdorf
AIMS: Data are sparse concerning use of serum electrolyte parameters as compared to venous blood gas (VBG) measurements to monitor acid-base status during treatment of diabetic ketoacidosis (DKA). We explored the utility of various parameters to define DKA resolution by investigating the relationship of venous pH (vpH), anion gap (AG), serum bicarbonate (HCO3), and glucose concentration during management of DKA in children with new onset diabetes mellitus (NODM). METHODS: We included all patients with NODM presenting with DKA to Boston Children's Hospital from 10/1/07-7/1/13...
October 27, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29108901/keto-adaptation-enhances-exercise-performance-and-body-composition-responses-to-training-in-endurance-athletes
#14
Fionn T McSwiney, Bruce Wardrop, Parker N Hyde, Richard A Lafountain, Jeff S Volek, Lorna Doyle
BACKGROUND: Low-carbohydrate diets have recently grown in popularity among endurance athletes, yet little is known about the long-term (>4 wk) performance implications of consuming a low-carbohydrate high fat ketogenic diet (LCKD) in well-trained athletes. METHODS: Twenty male endurance-trained athletes (age 33 ± 11y, body mass 80 ± 11kg; BMI 24.7 ± 3.1 kg/m(2)) who habitually consumed a carbohydrate-based diet, self-selected into a high-carbohydrate (HC) group (n = 11, %carbohydrate:protein:fat = 65:14:20), or a LCKD group (n = 9, 6:17:77)...
November 3, 2017: Metabolism: Clinical and Experimental
https://www.readbyqxmd.com/read/29106785/n-terminal-pro-b-type-natriuretic-peptide-in-three-different-mechanisms-of-dysnatremia-onset-after-a-child-s-craniopharyngioma-surgery
#15
(no author information available yet)
Craniopharyngioma, due to its sellar location, can be perioperatively complicated by different types of dysnatremia. We present a rare postoperative onset of a combination of three different mechanisms of dysnatremia with N-terminal pro-B-type Natriuretic Peptide (NT-proBNP) and renal function parameters in a boy with a good outcome after craniopharyngioma surgery: 1/ Central diabetes insipidus (CDI) onset immediately after the operation, hypernatremia with peak serum sodium (SNa) 158 mmol/l) caused by free water polyuria (electrolyte-free water clearance, EWC 0...
October 6, 2017: Neuro Endocrinology Letters
https://www.readbyqxmd.com/read/29104523/ultrathin-graphene-protein-supercapacitors-for-miniaturized-bioelectronics
#16
Islam M Mosa, Ajith Pattammattel, Karteek Kadimisetty, Paritosh Pande, Maher F El-Kady, Gregory W Bishop, Marc Novak, Richard B Kaner, Ashis K Basu, Challa V Kumar, James F Rusling
Nearly all implantable bioelectronics are powered by bulky batteries which limit device miniaturization and lifespan. Moreover, batteries contain toxic materials and electrolytes that can be dangerous if leakage occurs. Herein, an approach to fabricate implantable protein-based bioelectrochemical capacitors (bECs) employing new nanocomposite heterostructures in which 2D reduced graphene oxide sheets are interlayered with chemically modified mammalian proteins, while utilizing biological fluids as electrolytes is described...
September 6, 2017: Advanced Energy Materials
https://www.readbyqxmd.com/read/29102666/a-90-day-subchronic-gavage-toxicity-study-in-fischer-344-rats-with-3-methylfuran
#17
S Gill, M Kavanagh, W Cherry, C Bourque, D Caldwell, G Wang, G Bondy
A 90-day gavage study was conducted with 0.0, 0.02, 0.075, 0.25, 1.0 and 4.0 mg/kg bw/day dose groups of 3-methylfuran to identify a no-observed adverse effect level for hepatotoxicity and to characterize non-neoplastic effects including changes in gross anatomy, histopathology, clinical biochemistry and hematology. There were significant changes in the serum clinical biochemistry markers related to liver injury where males were more affected than the females for most parameters analysed. The serum liver injury marker γ-glutamyltransferase, alanine and aspartate aminotransferases were significantly increased in males in the 4...
November 1, 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29099020/correction-hasona-n-a-and-elasbali-a-evaluation-of-electrolytes-imbalance-and-dyslipidemia-in-diabetic-patients-med-sci-2016-4-7
#18
Nabil A Hasona, Abdulbaset Elasbali
The authors wish to make the following correction to their paper [1]. In the discussion section, the sentence "Regarding the lipid profile, the present results revealed a significant increase (p < 0.001) in the serum levels of cholesterol, triglycerides and HDL-cholesterol in all diabetics relative to all non-diabetic subjects". This should be changed to "Regarding the lipid profile, the present results revealed a significant increase (p < 0.001) in the serum levels of cholesterol and triglycerides and a significant decrease in HDL-cholesterol in all diabetics relative to all non-diabetic subjects"...
January 22, 2017: Medical Sciences: Open Access Journal
https://www.readbyqxmd.com/read/29098731/clues-for-early-detection-of-autoimmune-addison-s-disease-myths-and-realities
#19
Å B Saevik, A-K Åkerman, K Grønning, I Nermoen, S F Valland, T E Finnes, M Isaksson, P Dahlqvist, R Bergthorsdottir, O Ekwall, J Skov, B G Nedrebø, A-L Hulting, J Wahlberg, J Svartberg, C Höybye, I H Bleskestad, A P Jørgensen, O Kämpe, M Øksnes, S Bensing, E S Husebye
BACKGROUND: Early detection of autoimmune Addison's disease (AAD) is important as delay in diagnosis may result in a life-threatening adrenal crisis and death. The classical clinical picture of untreated AAD is well-described, but methodical investigations are scarce. OBJECTIVE: Perform a retrospective audit of patient records with the aim of identifying biochemical markers for early diagnosis of AAD. MATERIAL AND METHODS: A multicentre retrospective study including 272 patients diagnosed with AAD at hospitals in Norway and Sweden during 1978-2016...
November 3, 2017: Journal of Internal Medicine
https://www.readbyqxmd.com/read/29089364/primary-adrenal-insufficiency-in-adult-population-a-portuguese-multicentre-study-by-the-adrenal-tumours-study-group
#20
Lia Ferreira, Joao Silva, Susana Garrido, Carlos Bello, Diana Oliveira, Hélder Simões, Isabel Paiva, Joana Guimarães, Marta Ferreira, Maria Teresa Pereira, Rita Bettencourt-Silva, Ana Filipa Martins, Tiago Silva, Vera Fernandes, Maria Ferreira
INTRODUCTION: Primary adrenal insufficiency (PAI) is a rare but severe and potentially life-threatening condition. No previous studies have characterized Portuguese patients with PAI. AIMS: To characterize the clinical presentation, diagnostic workup, treatment and follow-up of Portuguese patients with confirmed PAI. METHODS: This multicentre retrospective study examined PAI patients in 12 Portuguese hospitals. RESULTS: We investigated 278 patients with PAI (55...
October 31, 2017: Endocrine Connections
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