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https://www.readbyqxmd.com/read/28531254/frailty-status-at-admission-to-hospital-predicts-multiple-adverse-outcomes
#1
Ruth E Hubbard, Nancye M Peel, Mayukh Samanta, Leonard C Gray, Arnold Mitnitski, Kenneth Rockwood
Aims: frailty is proposed as a summative measure of health status and marker of individual vulnerability. We aimed to investigate the discriminative capacity of a frailty index (FI) derived from interRAI Comprehensive Geriatric Assessment for Acute Care (AC) in relation to multiple adverse inpatient outcomes. Methods: in this prospective cohort study, an FI was derived for 1,418 patients ≥70 years across 11 hospitals in Australia. The interRAI-AC was administered at admission and discharge by trained nurses, who also screened patients daily for geriatric syndromes...
May 22, 2017: Age and Ageing
https://www.readbyqxmd.com/read/28530466/angiotensin-type-1-receptor-a1166c-polymorphism-and-systemic-lupus-erythematosus-correlation-with-cellular-immunity-and-oxidative-stress-markers
#2
H Baniamerian, F Bahrehmand, A Vaisi-Raygani, Z Rahimi, T Pourmotabbed
Angiotensin II, one of the rennin-angiotensin system components, is important in the cardiovascular hemodynamic and plays an important role in the development of cardiovascular disease in systemic lupus erythematosus (SLE) patients. The angiotensin II, through interaction with angiotensin II type 1 receptor (AGTR1), promotes proliferation, inflammation and fibrosis. The single nucleotide polymorphism of the AGTR1 (dbSNP: rs5186) gene can be associated with development and progression of SLE disease. The aims of this study were to compare the frequency of AGTR1 rs5186 in SLE patients with healthy individuals and to evaluate possible association between AGTR1 A1166C gene polymorphism and serum level of lipids, neopterin and malondialdehyde in SLE patients from a population of West Iran...
January 1, 2017: Lupus
https://www.readbyqxmd.com/read/28530416/assessment-centers-versus-cognitive-ability-tests-challenging-the-conventional-wisdom-on-criterion-related-validity
#3
Paul R Sackett, Oren R Shewach, Heidi N Keiser
Separate meta-analyses of the cognitive ability and assessment center (AC) literatures report higher criterion-related validity for cognitive ability tests in predicting job performance. We instead focus on 17 samples in which both AC and ability scores are obtained for the same examinees and used to predict the same criterion. Thus, we control for differences in job type and in criteria that may have affected prior conclusions. In contrast to Schmidt and Hunter's (1998) meta-analysis, reporting mean validity of ...
May 22, 2017: Journal of Applied Psychology
https://www.readbyqxmd.com/read/28530402/spin-crossover-in-double-salts-containing-six-and-four-coordinate-cobalt-ii-ions
#4
Joanna Palion-Gazda, Barbara Machura, Rafal Kruszynski, Thais Grancha, Nicolás Moliner, Francesc Lloret, Miguel Julve
The preparation and spectroscopic and structural characterization of three cobalt(II) complexes of formulas [Co(tppz)2](dca)2 (1), [Co(tppz)2][Co(NCS)4]·MeOH (2), and [Co(tppz)2][Co(NCO)4]·2H2O (3) [tppz = 2,3,5,6-tetrakis(2-pyridyl)pyrazine and dca = dicyanamide] are reported here. Compounds 1-3 have in common the presence of the cationic [Co(tppz)2](2+) entity where each mer-tridentate tppz ligand coordinates to the cobalt(II) ion equatorially through two pyridyl donors and axially via the pyrazine, completing the six-coordination...
May 22, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/28530183/effects-of-heat-treatment-on-sound-absorption-coefficients-in-nanosilver-impregnated-and-normal-solid-woods
#5
Ayoub Esmailpour, Hamid Reza Taghiyari, Habib Zolfaghari
Effects of impregnation with silver nano-suspension as well as heat-treatment on sound absorption coefficients (AC) were studied in tangential direction of five different solid woods based on their importance. AC was measured at two frequencies of 250 and 500 Hz. A 400 ppm nanosuspension was used for the impregnation; silver nanoparticles had a size range of 30-80 nm. Based on the obtained results, the species reacted significantly different in absorbing sound at the two frequencies. Impregnation with nano-suspension substantially decreased AC at the lower frequency of 250 Hz; it did not show any particular trend when AC was measured at the frequency of 500 Hz...
June 2017: IET Nanobiotechnology
https://www.readbyqxmd.com/read/28529587/expression-of-claudin-1-4-and-7-in-thyroid-neoplasms
#6
Dinç Süren, Mustafa Yildirim, Alper Sayiner, Arsenal Sezgin Alikanoğlu, Irem Atalay, Umut Riza Gündüz, Vildan Kaya, Şeyda Gündüz, Mehmet Tahir Oruç, Cem Sezer
The distinction of thyroid carcinoma from benign thyroid neoplasm, as well as the subtyping of papillary carcinoma (PC) and follicular carcinoma (FC), may be performed histopathologically in the majority of cases. However, in certain cases, it is difficult to histopathologically distinguish between PC and FC, as well as follicular adenoma (FA), FC and the dominant nodule of multinodular goiter (MNG-DN). The present study aimed to determine the roles of the expression levels of the tight junction proteins claudin 1, 4 and 7 in the differential diagnosis of PC, FC, FA, MNG-DN, medullary carcinoma (MC) and anaplastic carcinoma (AC)...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28529530/chai-qin-cheng-qi-decoction-and-carbachol-improve-intestinal-motility-by-regulating-protein-kinase-c-mediated-ca-2-release-in-colonic-smooth-muscle-cells-in-rats-with-acute-necrotising-pancreatitis
#7
Chen-Long Zhang, Zi-Qi Lin, Rui-Jie Luo, Xiao-Xin Zhang, Jia Guo, Wei Wu, Na Shi, Li-Hui Deng, Wei-Wei Chen, Xiao-Ying Zhang, Shameena Bharucha, Wei Huang, Robert Sutton, John A Windsor, Ping Xue, Qing Xia
Chai-Qin-Cheng-Qi decoction (CQCQD) improves intestinal motility in acute pancreatitis (AP), but the mechanism(s) require elucidation. We investigated the effects of CQCQD and carbachol, a prokinetic agent, on colonic smooth muscle cells (SMCs) in L-arginine-induced necrotising AP model in rats. In treatment groups, intragastric CQCQD (20 g/kg, 2 hourly × 3 doses) or intraperitoneal carbachol (60 μg/kg) was given 24 hours after induction of AP. Both CQCQD and carbachol decreased the severity of pancreatic and colonic histopathology (all P < 0...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28528846/the-multi-level-impact-of-chronic-intermittent-hypoxia-on-central-auditory-processing
#8
Eddie Wong, Bin Yang, Lida Du, Wai Hong Ho, Condon Lau, Ya Ke, Ying Shing Chan, Wing Ho Yung, Ed X Wu
During hypoxia, the tissues do not obtain adequate oxygen. Chronic hypoxia can lead to many health problems. A relatively common cause of chronic hypoxia is sleep apnea. Sleep apnea is a sleep breathing disorder that affects 3 to 7% of the population. During sleep, the patient's breathing starts and stops. This can lead to hypertension, attention deficits, and hearing disorders. In this study, we apply an established chronic intermittent hypoxemia (CIH) model of sleep apnea to study its impact on auditory processing...
May 18, 2017: NeuroImage
https://www.readbyqxmd.com/read/28528378/trabeculotomy-opening-size-and-iop-reduction-after-trabectome%C3%A2-surgery
#9
Thomas Wecker, Alexandra Anton, Matthias Neuburger, Jens F Jordan, Christian van Oterendorp
BACKGROUND: Trabeculotomy with the Trabectome® is an effective surgical procedure to lower intraocular pressure (IOP). However, in some patients it does not lead to a significant IOP reduction despite a gonioscopically well visible opening of Schlemm's canal. This study investigated whether the size of the trabeculotomy opening and other parameters, including anterior chamber depth (ACD) are related to IOP reduction. METHODS: Retrospective observational case series with 93 eyes of 93 patients who underwent Trabectome surgery...
May 20, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28528299/selective-targeting-and-therapy-of-metastatic-and-multidrug-resistant-tumors-using-a-long-circulating-podophyllotoxin-nanoparticle
#10
Aniruddha Roy, Yucheng Zhao, Yang Yang, Andras Szeitz, Tara Klassen, Shyh-Dar Li
Treatment options for metastatic and multidrug resistant (MDR) tumors are limited, and most of the chemotherapeutic drugs exhibit low efficacy against MDR cancers. An anti-tubulin agent podophyllotoxin (PPT) displays high potency against MDR tumor cells. However, due to its poor solubility and non-specificity, PPT cannot be used systemically. We have developed a self-assembling nanoparticle dosage form for PPT (named Celludo) by covalently conjugating PPT and polyethylene glycol (PEG) to acetylated carboxymethyl cellulose (CMC-Ac) via ester linkages...
May 11, 2017: Biomaterials
https://www.readbyqxmd.com/read/28528138/torque-ripple-reduction-of-brushless-dc-motor-based-on-adaptive-input-output-feedback-linearization
#11
M Shirvani Boroujeni, G R Arab Markadeh, J Soltani
Torque ripple reduction of Brushless DC Motors (BLDCs) is an interesting subject in variable speed AC drives. In this paper at first, a mathematical expression for torque ripple harmonics is obtained. Then for a non-ideal BLDC motor with known harmonic contents of back-EMF, calculation of desired reference current amplitudes, which are required to eliminate some selected harmonics of torque ripple, are reviewed. In order to inject the reference harmonic currents to the motor windings, an Adaptive Input-Output Feedback Linearization (AIOFBL) control is proposed, which generates the reference voltages for three phases voltage source inverter in stationary reference frame...
May 17, 2017: ISA Transactions
https://www.readbyqxmd.com/read/28527977/the-association-of-arachnoid-cysts-and-focal-epilepsy-hospital-based-case-control-study
#12
Ivan Nikolić, Aleksandar Ristić, Nikola Vojvodić, Vladimir Baščarević, Andrej Ilanković, Ivana Berisavac, Tijana Đukić, Dragoslav Sokić
OBJECTIVE: Arachnoid cysts (ACs) are common findings in brain MRI. Our aim was to examine frequency and distribution of ACs in patients with focal epilepsy, compared to healthy control subjects, and to investigate the association of AC and electro-clinical features of focal epilepsy. PATIENTS AND METHODS: We performed a retrospective case-control study, using data from 180 patients that underwent video-EEG monitoring between 2009 and 2012, and of 114 healthy controlled subjects...
May 12, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28527875/magnolol-attenuates-the-inflammation-and-apoptosis-through-the-activation-of-sirt1-in-experimental-stroke-rats
#13
Dong-Quan Kou, Yan-Ling Jiang, Jia-Hua Qin, Yin-Hui Huang
BACKGROUND: Silent information regulator 1 (SIRT1), a histone deacetylase, plays a protective role in ischemic brain injury. Previous studies have shown that magnolol has a beneficial effect on ischemic stroke; however, the role of SIRT1 in the protective effect of magnolol against cerebral ischemia has not been investigated. METHODS: We used a middle cerebral artery occlusion model of stroke in rats. Before stroke induction, the rats received intraperitoneal injections of magnolol with or without the SIRT1 inhibitor, EX527...
January 10, 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/28527627/a-kinetic-study-on-the-reactivity-of-azanone-hno-toward-its-selected-scavengers-insight-into-its-chemistry-and-detection
#14
Renata Smulik-Izydorczyk, Adrianna Mesjasz, Angelika Gerbich, Jan Adamus, Radosław Michalski, Adam Sikora
Recently, azanone (HNO), which is the protonated one-electron reduction product of (·)NO, has gained considerable attention due to its unique pharmacological effects. Although there has been much progress in understanding HNO biology and chemistry, it remains the most elusive reactive nitrogen species. Herein, we applied the competition kinetics method, based on two parallel HNO reactions with the different scavengers and molecular oxygen (kO2 = (1.8 ± 0.3) × 10(4) M(-1) s(-1)), to determine the rate constants for the reactions of HNO with its selected co-reactants...
May 17, 2017: Nitric Oxide: Biology and Chemistry
https://www.readbyqxmd.com/read/28526899/electricity-generation-from-real-industrial-wastewater-using-a-single-chamber-air-cathode-microbial-fuel-cell-with-an-activated-carbon-anode
#15
Hend Omar Mohamed, M Obaid, Enas Taha Sayed, Yang Liu, Jinpyo Lee, Mira Park, Nasser A M Barakat, Hak Yong Kim
This study introduces activated carbon (AC) as an effective anode for microbial fuel cells (MFCs) using real industrial wastewater without treatment or addition of external microorganism mediators. Inexpensive activated carbon is introduced as a proper electrode alternative to carbon cloth and carbon paper materials, which are considered too expensive for the large-scale application of MFCs. AC has a porous interconnected structure with a high bio-available surface area. The large surface area, in addition to the high macro porosity, facilitates the high performance by reducing electron transfer resistance...
May 19, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28526810/bioinformatics-and-in-vitro-experimental-analyses-identify-the-selective-therapeutic-potential-of-interferon-gamma-and-apigenin-against-cervical-squamous-cell-carcinoma-and-adenocarcinoma
#16
Pei-Ming Yang, Chia-Jung Chou, Ssu-Hsueh Tseng, Chien-Fu Hung
The clinical management and treatment of cervical cancer, one of the most commonly diagnosed cancers and a leading cause of cancer-related female death, remains a huge challenge for researchers and health professionals. Cervical cancer can be categorized into two major subtypes: common squamous cell carcinoma (SCC) and adenocarcinoma (AC). Although it is a relatively rare histological subtype of cervical cancer, there has been a steady increase in the incidences of AC. Therefore, new strategies to treat cervical cancer are urgently needed...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28526450/the-association-of-single-nucleotide-polymorphisms-in-the-oxytocin-receptor-and-g-protein-coupled-receptor-kinase-6-grk6-genes-with-oxytocin-dosing-requirements-and-labor-outcomes
#17
Chad A Grotegut, Emily Ngan, Melanie E Garrett, Marie Lynn Miranda, Allison E Ashley-Koch, Geeta K Swamy
BACKGROUND: Oxytocin is a potent uterotonic agent that is widely used for induction and augmentation of labor. Oxytocin has a narrow therapeutic index and the optimal dosing for any individual woman varies widely. OBJECTIVE: The objective of this study was to determine if genetic variation in the oxytocin receptor (OXTR) or in the gene encoding G protein-coupled receptor kinase 6 (GRK6), which regulates desensitization of the OXTR, could explain variation in oxytocin dosing and labor outcomes among women being induced near term...
May 16, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28525843/formation-of-platinum-ii-as-a-six-member-ring-for-sustained-polymeric-delivery
#18
Sanjeewa N Senadheera, Ti Zhang, Chad E Groer, M Laird Forrest
A new pH-activated polymer chelate of cisplatin was synthesized using a scalable and green aqueous technique. Synthesis of the chelate was based on formation of a 6-member ring of platinum(II) with acetyl-homo-Lysine (Ac-homo-Lys), which was accomplished under completely aqueous conditions using a traceless photocleavable protection chemistry. Synthesis preceded by, first, amidation of a photocaged homo-Ac-Lys with hyaluronic acid (HA) in water using a p-hydroxyphenacyl (pHP) group as the photoremovable protecting group, followed by reaction of cisplatin (diaqua form) in water to form the reversible chelate...
May 6, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28525832/fabrication-of-porous-nanosheets-assembled-from-nico2o4-nio-electrode-for-electrochemical-energy-storage-application
#19
Chao Wei, Ying Huang, Menghua Chen, Jing Yan, Wen Yao, Xuefang Chen
In this work, The NiCo2O4/NiO electrode materials are successfully synthesized via hydrothermal and following calcination approach. Due to the distinctive porous nanosheets assembled structure through controlling effectively the feeding amount of HMT, the NiCo2O4/NiO electrode possesses excellent specific surface area and reasonable pore size distribution, which hence minimizes the intrinsic electrode resistance and improves the morphology and structure stability. Therefore, the NiCo2O4/NiO electrode delivers a superior specific capacitance (Csp) (992...
May 12, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/28525809/one-step-preparation-of-nanostructured-martite-catalyst-and-graphite-electrode-by-glow-discharge-plasma-for-heterogeneous-electro-fenton-like-process
#20
Alireza Khataee, Saeed Sajjadi, Aliyeh Hasanzadeh, Behrouz Vahid, Sang Woo Joo
Natural Martite ore particles and graphite were modified by alternating current (AC) glow discharge plasma to form nanostructured catalyst and cathode electrode for using in the heterogeneous-electro Fenton-like (Het-EF-like) process. The performance of the plasma-treated martite (PTM) and graphite electrode (PTGE) was studied for the treatment of paraquat herbicide in a batch system. 85.78% degradation efficiency for 20 mg L(-1) paraquat was achieved in the modified process under desired operational conditions (i...
May 16, 2017: Journal of Environmental Management
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