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https://www.readbyqxmd.com/read/28214748/electrochemical-monitoring-of-biointeraction-by-graphene-based-material-modified-pencil-graphite-electrode
#1
Ece Eksin, Erhan Zor, Arzum Erdem, Haluk Bingol
Recently, the low-cost effective biosensing systems based on advanced nanomaterials have received a key attention for development of novel assays for rapid and sequence-specific nucleic acid detection. The electrochemical biosensor based on reduced graphene oxide (rGO) modified disposable pencil graphite electrodes (PGEs) were developed herein for electrochemical monitoring of DNA, and also for monitoring of biointeraction occurred between anticancer drug, Daunorubicin (DNR), and DNA. First, rGO was synthesized chemically and characterized by using UV-Vis, TGA, FT-IR, Raman Spectroscopy and SEM techniques...
February 11, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28214557/quadruple-first-line-drug-resistance-in-mycobacterium-tuberculosis-in-vietnam-what-can-we-learn-from-genes
#2
Huy Quang Nguyen, Nhung Viet Nguyen, Lucie Contamin, Thanh Hoa Thi Tran, Thuong Thi Vu, Hung Van Nguyen, Ngoc Lan Thi Nguyen, Son Thai Nguyen, Anh Duc Dang, Anne-Laure Bañuls, Van Anh Thi Nguyen
In Vietnam, a country with high tuberculosis (137/100.000 population) and multidrug-resistant (MDR)-TB burdens (7.8/100.000 population), little is known about the molecular signatures of drug resistance in general and more particularly of second line drug (SLD) resistance. This study is specifically focused on Mycobacterium tuberculosis isolates resistant to four first-line drugs (FLDs) that make TB much more difficult to treat. The aim is to determine the proportion of SLD resistance in these quadruple drug resistant isolates and the genetic determinants linked to drug resistance to better understand the genetic processes leading to quadruple and extremely drug resistance (XDR)...
February 15, 2017: Infection, Genetics and Evolution
https://www.readbyqxmd.com/read/28214288/an-accelerator-mass-spectrometry-enabled-microtracer-study-to-evaluate-the-first-pass-effect-on-the-absorption-of-yh4808
#3
Anhye Kim, Byung-Yong Yu, Stephen R Dueker, Kwang-Hee Shin, Hwa Suk Kim, Hyungmi Ahn, Joo-Youn Cho, Kyung-Sang Yu, In-Jin Jang, Howard Lee
(14) C-labeled YH4808, a novel potassium-competitive acid blocker, was intravenously administered as a microtracer at 80 μg (11.8 kBq or 320 nCi) concomitantly with the non-radiolabeled oral drug at 200 mg to determine the absolute bioavailability and to assess the effect of pharmacogenomics on the oral absorption of YH4808. The absolute bioavailability was low and highly variable (mean, 10.1%; range, 2.3-19.3%), and M3 and M8, active metabolites of YH4808, were formed 22.6- and 38.5-fold higher after oral administration than intravenous administration, respectively...
February 18, 2017: Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28214006/-conduct-of-epidemiologic-studies-in-french-cancer-survivors-methods-difficulties-encountered-and-solutions-provided-lessons-learned-from-the-simonal-study-on-long-term-toxicities-after-non-hodgkin-lymphoma-treatment
#4
Sabine Anthony, Pierre Hebel, André Garrel, Vanina Oliveri, Catherine Thieblemont, Vincent Ribrag, Hervé Tilly, Corinne Haioun, René-Olivier Casasnovas, Franck Morschhauser, Pierre Feugier, Richard Delarue, Loic Ysebaert, Catherine Sebban, Florence Broussais, Gandhi Damaj, Virginie Nerich, Jean-Philippe Jais, Gilles Salles, Michel Henry-Amar, Nicolas Mounier
INTRODUCTION: Since the introduction of targeted therapies, specific lymphoma mortality has decreased. Possible long-term toxicities, however, are not known yet. This article describes the implementation of the SIMONAL study that investigates the hypothesis of an overconsumption of care after lymphoma treatment with a 10-year follow-up. METHODS: After the mandatory regulatory steps (CCTIRS and CNIL) the vital status and address of 5247 patients treated in 131 French centers were retrieved using a secure web portal, in order to send a quality of life after lymphoma questionnaire...
February 14, 2017: Bulletin du Cancer
https://www.readbyqxmd.com/read/28213294/a-low-cost-simplified-and-scaleable-pneumotachograph-and-face-mask-for-neonatal-mouse-respiratory-measurements
#5
Jenny J Sun, Roshan Nanu, Russell S Ray
INTRODUCTION: Neonatal respiratory disorders are a leading cause of perinatal mortality due to complications resulting from premature births and prenatal exposure to drugs of abuse, but optimal treatments for these symptoms are still unclear due to a variety of confounds and risk factors. Mouse models present an opportunity to study the underlying mechanisms and efficacy of potential treatments of these conditions with controlled variables. However, measuring respiration in newborn mice is difficult and commercial components are expensive and often require modification, creating a barrier and limiting our understanding of the short and long-term effects of birth complications on respiratory function...
February 14, 2017: Journal of Pharmacological and Toxicological Methods
https://www.readbyqxmd.com/read/28213220/receptor-based-screening-assays-for-the-detection-of-antibiotics-residues-a-review
#6
REVIEW
Saeed Ahmed, Jianan Ning, Guyue Cheng, Ijaz Ahmad, Jun Li, Liu Mingyue, Wei Qu, Mujahid Iqbal, M A B Shabbir, Zonghui Yuan
Consumer and regulatory agencies have a high concern to antibiotic residues in food producing animals, so appropriate screening assays of fast, sensitive, low cost, and easy sample preparation for the identification of these residues are essential for the food-safety insurance. Great efforts in the development of a high-throughput antibiotic screening assay have been made in recent years. Concerning the screening of antibiotic residue, this review elaborate an overview on the availability, advancement and applicability of antibiotic receptor based screening assays for the safety assessment of antibiotics usage (i...
May 1, 2017: Talanta
https://www.readbyqxmd.com/read/28213088/personalized-medicine-genetic-risk-prediction-of-drug-response
#7
REVIEW
Ge Zhang, Daniel W Nebert
Pharmacogenomics (PGx), a substantial component of "personalized medicine", seeks to understand each individual's genetic composition to optimize drug therapy -- maximizing beneficial drug response, while minimizing adverse drug reactions (ADRs). Drug responses are highly variable because innumerable factors contribute to ultimate phenotypic outcomes. Recent genome-wide PGx studies have provided some insight into genetic basis of variability in drug response. These can be grouped into three categories. [a] Monogenic (Mendelian) traits include early examples mostly of inherited disorders, and some severe (idiosyncratic) ADRs typically influenced by single rare coding variants...
February 14, 2017: Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28212951/priority-to-end-of-life-treatments-views-of-the-public-in-the-netherlands
#8
Sofie Wouters, Job van Exel, Rachel Baker, Werner B F Brouwer
OBJECTIVES: Recent debates in the Netherlands on health care priority setting have focused on the relative value of gains generated by life-extending medicines for people with a terminal illness, mostly new cancer drugs. These treatments are generally expensive, provide relatively small health gains, and therefore usually do not meet common cost per QALY thresholds. Nevertheless, these drugs may be provided under the assumption that there is public support for making a special case for treatments for people with a terminal illness...
January 2017: Value in Health: the Journal of the International Society for Pharmacoeconomics and Outcomes Research
https://www.readbyqxmd.com/read/28211784/generic-antiretrovirals-for-the-treatment-of-hiv-a-novel-challenge-for-western-countries-%C3%A2
#9
Dario Cattaneo, Massimo Andreoni, Gianpiero Carosi, Roberto Cauda, Adriano Lazzarin, Giuliano Rizzardini
The introduction of generic antiretroviral medications in developing countries has resulted in significant CD4 cell restoration, HIV viral decline, and a noteworthy reduction in the time to initiation of therapy. Projection models have also predicted significant cost saving associated with the extensive diffusion of generic antiretrovirals in developed countries. However, some uncertainties on generics have recently been raised. These concerns mainly relate to the adequacy of the study design for bioequivalence testing, the potential for uncontrolled switching from one generic to another, and the loss of adherence if patients switched from fixed-dose coformulations to single components in order to incorporate the new generic drugs...
February 17, 2017: International Journal of Clinical Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28210864/pharmacy-benefit-management-companies-do-they-create-value-in-the-us-healthcare-system
#10
Alan Lyles
Pharmacy benefit management companies (PBMs) perform functions in the US market-based healthcare system that may be performed by public agencies or quasi-public institutions in other nations. By aggregating lives covered under their many individual contracts with payers, PBMs have formidable negotiating power. They influence pharmaceutical insurance coverage, design the terms of coverage in a plan's drug benefit, and create competition among providers for inclusion in a plan's network. PBMs have, through intermediation, the potential to secure lower drug prices and to improve rational prescribing...
February 16, 2017: PharmacoEconomics
https://www.readbyqxmd.com/read/28209400/multidrug-resistant-enterococcal-infections-new-compounds-novel-antimicrobial-therapies
#11
REVIEW
Roel M van Harten, Rob J L Willems, Nathaniel I Martin, Antoni P A Hendrickx
Over the past two decades infections due to antibiotic-resistant bacteria have escalated world-wide, affecting patient morbidity, mortality, and health care costs. Among these bacteria, Enterococcus faecium and Enterococcus faecalis represent opportunistic nosocomial pathogens that cause difficult-to-treat infections because of intrinsic and acquired resistance to a plethora of antibiotics. In recent years, a number of novel antimicrobial compound classes have been discovered and developed that target Gram-positive bacteria, including E...
February 13, 2017: Trends in Microbiology
https://www.readbyqxmd.com/read/28209373/cost-utility-of-first-line-disease-modifying-treatments-for-relapsing-remitting-multiple-sclerosis
#12
Erkki Soini, Jaana Joutseno, Marja-Liisa Sumelahti
PURPOSE: This study evaluated the cost-effectiveness of first-line treatments of relapsing-remitting multiple sclerosis (RRMS) (dimethyl fumarate [DMF] 240 mg PO BID, teriflunomide 14 mg once daily, glatiramer acetate 20 mg SC once daily, interferon [IFN]-β1a 44 µg TIW, IFN-β1b 250 µg EOD, and IFN-β1a 30 µg IM QW) and best supportive care (BSC) in the health care payer setting in Finland. METHODS: The primary outcome was the modeled incremental cost-effectiveness ratio (ICER; €/quality-adjusted life-year [QALY] gained, 3%/y discounting)...
February 13, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28208889/management-of-pneumonia-and-blood-stream-infections-with-new-antibiotic-adjuvant-entity-ceftriaxone-sulbactam-disodium-edetate-a-novel-way-to-spare-carbapenems
#13
Mohammad Shameem, Mohammad Amin Mir
INTRODUCTION: Nosocomial infections have been considered as a major health problem causing incremental morbidity, mortality and costs of therapy. AIM: This retrospective study was initiated with aim to analyse the comparative efficacy of a novel Antibiotic Adjuvant Entity (AAE), a combination of ceftriaxone + sulbactam + disodium edetate and meropenem in combination with colistin, for the management of Multi Drug Resistant (MDR) nosocomial Gram-negative bacterial infections...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208878/a-study-of-medication-compliance-in-geriatric-patients-with-chronic-illnesses-at-a-tertiary-care-hospital
#14
R Shruthi, R Jyothi, H P Pundarikaksha, G N Nagesh, T J Tushar
INTRODUCTION: Geriatric population is more prone for various chronic and recurrent illnesses like diabetes mellitus, hypertension, IHD, arthritic, neurodegenerative, gastrointestinal, ocular, genitourinary, respiratory disorders etc., which may require chronic medication with multiple drugs. Poor compliance in this age group accounts for medication wastage with increased cost of healthcare and substantial worsening of the disease with disability or death. Most of the human and economic costs associated with non adherence can be avoided by improving medication adherence...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208876/prescribing-pattern-of-antifungal-medications-at-a-tertiary-care-hospital-in-oman
#15
Khalid A Al Balushi, Mohammed A Alzaabi, Fatma Alghafri
INTRODUCTION: Inappropriate use of antifungal agents is implicated in the global burden of antifungal resistance, adverse outcomes like persistent infections, unnecessary exposure and increased cost. Data collection from time to time is to be done in order to have a check on the resistance/sensitivity pattern of the commonly prescribed antifungal drugs. AIM: To describe the pattern of antifungal drug prescription and administration to patients attending a university hospital in Oman...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208749/graphic-warning-labels-and-the-cost-savings-from-reduced-smoking-among-pregnant-women
#16
John A Tauras, Richard M Peck, Kai-Wen Cheng, Frank J Chaloupka
Introduction: The U.S. Food and Drug Administration (FDA) has estimated the economic impact of Graphic Warning Labels (GWLs). By omitting the impact on tobacco consumption by pregnant women, the FDA analysis underestimates the economic benefits that would occur from the proposed regulations. There is a strong link between the occurrence of low birth weight babies and smoking while pregnant. Low birth weight babies in turn generate much higher hospital costs than normal birth weight babies. This study aims to fill the gap by quantifying the national hospital cost savings from the reductions in prenatal smoking that will arise if GWLs are implemented in the U...
February 8, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28208695/the-role-of-inhaled-loxapine-in-the-treatment-of-acute-agitation-in-patients-with-psychiatric-disorders-a-clinical-review
#17
REVIEW
Domenico de Berardis, Michele Fornaro, Laura Orsolini, Felice Iasevoli, Carmine Tomasetti, Andrea de Bartolomeis, Nicola Serroni, Alessandro Valchera, Alessandro Carano, Federica Vellante, Stefano Marini, Monica Piersanti, Giampaolo Perna, Giovanni Martinotti, Massimo Di Giannantonio
Loxapine is a first generation antipsychotic, belonging to the dibenzoxazepine class. Recently, loxapine has been reformulated at a lower dose, producing an inhaled powder that can be directly administered to the lungs to treat the agitation associated with psychiatric disorders, such as schizophrenia and bipolar disorder. Thus, the aim of this narrative and clinical mini-review was to evaluate the efficacy and tolerability of inhaled loxapine in the treatment of acute agitation in patients with psychiatric disorders...
February 8, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28208281/enzyme-activated-g-quadruplex-synthesis-for-in-situ-label-free-detection-and-bioimaging-of-cell-apoptosis
#18
Zhuoliang Liu, Xingyu Luo, Zhu Li, Yan Huang, Zhou Nie, Hong-Hui Wang, Shouzhuo Yao
Fluorogenic probes targeting G-quadruplex structures have emerged as the promising toolkit for functional research of G-quadruplex and biosensor development. However, their biosensing applications are still largely limited in in-tube detection. Herein, we proposed a fluorescent bioimaging method based on enzyme-generated G-quadruplexes for detecting apoptotic cells at the cell and tissue level, namely, terminal deoxynucleotidyl transferase (TdT)-activated de novo G-quadruplex synthesis (TAGS) assay. The detection target is genomic DNA fragmentation, a biochemical hallmark of apoptosis...
February 7, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28208210/heterogeneous-costs-of-alcohol-and-drug-problems-across-cities-and-counties-in-california
#19
Ted R Miller, Peter Nygaard, Andrew Gaidus, Joel W Grube, William R Ponicki, Bruce A Lawrence, Paul J Gruenewald
BACKGROUND: Estimates of economic and social costs related to alcohol and other drug (AOD) use and abuse are usually made at state and national levels. Ecological analyses demonstrate, however, that substantial variations exist in the incidence and prevalence of AOD use and problems including impaired driving, violence, and chronic disease between smaller geopolitical units like counties and cities. This study examines the ranges of these costs across counties and cities in California...
February 16, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28207809/kazakhstan-can-achieve-ambitious-hiv-targets-despite-expected-donor-withdrawal-by-combining-improved-art-procurement-mechanisms-with-allocative-and-implementation-efficiencies
#20
Andrew J Shattock, Clemens Benedikt, Aliya Bokazhanova, Predrag Đurić, Irina Petrenko, Lolita Ganina, Sherrie L Kelly, Robyn M Stuart, Cliff C Kerr, Tatiana Vinichenko, Shufang Zhang, Christoph Hamelmann, Manoela Manova, Emiko Masaki, David P Wilson, Richard T Gray
BACKGROUND: Despite a non-decreasing HIV epidemic, international donors are soon expected to withdraw funding from Kazakhstan. Here we analyze how allocative, implementation, and technical efficiencies could strengthen the national HIV response under assumptions of future budget levels. METHODOLOGY: We used the Optima model to project future scenarios of the HIV epidemic in Kazakhstan that varied in future antiretroviral treatment unit costs and management expenditure-two areas identified for potential cost-reductions...
2017: PloS One
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