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https://www.readbyqxmd.com/read/28636405/conventional-polysomnography-is-not-necessary-for-the-management-of-most-patients-with-suspected-obstructive-sleep-apnea
#1
Jaime Corral, Maria-Ángeles Sánchez-Quiroga, Carmen Carmona-Bernal, Ángeles Sánchez-Armengol, Alicia Sánchez-de-la-Torre, Joaquín Durán-Cantolla, Carlos J Egea, Neus Salord, Carmen Monasterio, Joaquín Terán, M Luz Alonso-Alvarez, Jesús Muñoz-Méndez, Eva M Arias, Marta Cabello, Josep M Montserrat, Mónica De la Peña, José C Serrano, Ferran Barbe, Juan F Masa
RATIONALE: Home respiratory polygraphy may be a simpler alternative to in-laboratory polysomnography for the management of more symptomatic obstructive sleep apnea patients, but its effectiveness has not been evaluated across a broad clinical spectrum. OBJECTIVE: To compare the long-term effectiveness (6 months) of home respiratory polygraphy and polysomnography management protocols in patients with intermediate to high sleep apnea suspicion (most patients requiring a sleep study)...
June 21, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28635559/purification-of-antibody-against-ara-h-2-by-a-home-made-immunoaffinity-chromatography-column
#2
Zhihua Wu, Kun Li, Shaode Zhan, Ping Tong, Xin Li, Anshu Yang, Hongbing Chen
Antibodies are used extensively in numerous applications both in vivo and in vitro. To purify anti-Ara h 2 polyclonal antibody (PcaAb), a home-made immunoaffinity chromatography column (IAC) method was established. The properties of the home-made column were compared with those of the Mab Affinity Protein G Agarose High Flow (MPG), a commercially available column successfully used in capturing polyclonal antibodies. During antibody purification from rabbits antiserum against Ara h 2, the column capacity, recovery, and purification factor were characterized for IAC and MPG...
June 21, 2017: Preparative Biochemistry & Biotechnology
https://www.readbyqxmd.com/read/28635171/replacing-paps-in-vitro-phase-ii-sulfation-of-steroids-with-the-liver-s9-fraction-employing-atp-and-sodium-sulfate
#3
Sumudu A Weththasinghe, Christopher C Waller, Han Ling Fam, Bradley J Stevenson, Adam T Cawley, Malcolm D McLeod
In vitro technologies provide the capacity to study drug metabolism where in vivo studies are precluded due to ethical or financial constraints. The metabolites generated by in vitro studies can assist anti-doping laboratories to develop protocols for the detection of novel substances that would otherwise evade routine screening efforts. In addition, professional bodies such as the Association of Official Racing Chemists (AORC) currently permit the use of in vitro derived reference materials for confirmation purposes providing additional impetus for the development of cost effective in vitro metabolism platforms...
June 21, 2017: Drug Testing and Analysis
https://www.readbyqxmd.com/read/28634699/cost-effective-analysis-of-disease-modifying-anti-rheumatic-drugs-in-rheumatoid-arthritis
#4
Ashit Syngle, Sudeep Kaur, Inderjeet Verma, Tanya Syngle, Vijaita Syngle
The main objective of the study was to perform the pharmacoeconomic analysis of synthetic disease-modifying anti-rheumatic drugs in rheumatoid arthritis patients. A prospective, observational study was conducted in 98 rheumatoid arthritis (RA) patients meeting 2010 Rheumatoid Arthritis Classification Criteria. Treatment-naive RA patients were initiated on synthetic disease-modifying anti-rheumatic drugs (DMARD/s) and followed up for 3 months. Average cost-effectiveness analysis was done by taking Health Assessment Questionnaire Disability Index (HAQ-DI) score as a measure of effectiveness...
June 21, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28633961/full-genome-amplification-and-sequencing-of-zika-viruses-using-a-targeted-amplification-approach
#5
Mariana Leguia, Cristhopher D Cruz, Vidal Felices, Armando Torre, Gilda Troncos, Victoria Espejo, Carolina Guevara, Christopher Mores
We have developed methods for full-genome sequencing of Zika viruses (ZIKVs) based on a targeted amplification approach. We used alignments of publicly available complete genome data to design a primer set that selectively amplifies ZIKVs. The approach includes amplification strategies for templates present at both high- and low-copy number, and PCR cycling conditions that have been normalized across genome fragments in order to streamline laboratory handling. Abundant templates can be amplified using a strategy that uses 6 overlapping amplicons to cover the complete viral genome, whereas scarce templates can be amplified using a strategy that uses 11 overlapping amplicons of smaller size...
June 17, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28632418/therapeutic-monitoring-of-unfractionated-heparin-trials-and-tribulations
#6
Israfil Baluwala, Emmanuel Favaloro, Leonardo Pasalic
Heparin is one of the oldest biological medicines with an established role in prevention and treatment of arterial and venous thromboembolism. Published therapeutic ranges for unfractionated heparin (UFH) mostly precede the large increase in the number of activated partial thromboplastin time (APTT) reagent/instrument combinations that now show wide variability. Areas covered: This paper explores the use of UFH, the development of heparin therapeutic ranges (HTRs), and the strengths and limitations of the methods used to monitor heparin's anticoagulant effect...
June 20, 2017: Expert Review of Hematology
https://www.readbyqxmd.com/read/28630353/evaluation-of-a-proposal-for-reliable-low-cost-grid-power-with-100-wind-water-and-solar
#7
Christopher T M Clack, Staffan A Qvist, Jay Apt, Morgan Bazilian, Adam R Brandt, Ken Caldeira, Steven J Davis, Victor Diakov, Mark A Handschy, Paul D H Hines, Paulina Jaramillo, Daniel M Kammen, Jane C S Long, M Granger Morgan, Adam Reed, Varun Sivaram, James Sweeney, George R Tynan, David G Victor, John P Weyant, Jay F Whitacre
A number of analyses, meta-analyses, and assessments, including those performed by the Intergovernmental Panel on Climate Change, the National Oceanic and Atmospheric Administration, the National Renewable Energy Laboratory, and the International Energy Agency, have concluded that deployment of a diverse portfolio of clean energy technologies makes a transition to a low-carbon-emission energy system both more feasible and less costly than other pathways. In contrast, Jacobson et al. [Jacobson MZ, Delucchi MA, Cameron MA, Frew BA (2015) Proc Natl Acad Sci USA 112(49):15060-15065] argue that it is feasible to provide "low-cost solutions to the grid reliability problem with 100% penetration of WWS [wind, water and solar power] across all energy sectors in the continental United States between 2050 and 2055", with only electricity and hydrogen as energy carriers...
June 19, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28629733/an-optimized-protocol-for-the-generation-and-functional-analysis-of-human-mast-cells-from-cd34-enriched-cell-populations
#8
Yuzhi Yin, Yun Bai, Ana Olivera, Avanti Desai, Dean D Metcalfe
The culture of mast cells from human tissues such a cord blood, peripheral blood or bone marrow aspirates has advanced our understanding of human mast cells (huMC) degranulation, mediator production and response to pharmacologic agents. However, existing methods for huMC culture tend to be laborious and expensive. Combining technical approaches from several of these protocols, we designed a simplified and more cost effective approach to the culture of mast cells from human cell populations including peripheral blood and cryopreserved cells from lymphocytapheresis...
June 16, 2017: Journal of Immunological Methods
https://www.readbyqxmd.com/read/28629437/evaluation-of-a-low-cost-low-power-syringe-pump-to-deliver-magnesium-sulfate-intravenously-to-pre-eclamptic-women-in-a-malawian-referral-hospital
#9
Erica Skerrett, Edward Kommwa, Kelley Maynard, Alexa Juarez, Ronald Mataya, Rebecca Richards-Kortum, Z Maria Oden
BACKGROUND: Magnesium sulfate is an affordable and effective treatment for pre-eclampsia and eclampsia. In settings where infusion pumps are not available to regulate the flow rate of intravenous delivery, healthcare providers must administer magnesium sulfate (MgSO4) via time-consuming and painful, large-volume intramuscular injections. As an alternative to costly commercially available syringe pumps, we developed AutoSyp, an accurate, low-cost, and low-powered syringe pump designed to meet the needs and constraints these low-resource settings...
June 19, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28628669/the-global-fund-in-china-multidrug-resistant-tuberculosis-nationwide-programmatic-scale-up-and-challenges-to-transition-to-full-country-ownership
#10
Lixia Wang, Renzhong Li, Caihong Xu, Hui Zhang, Yunzhou Ruan, Mingting Chen, Dongmei Wang, Emilio Dirlikov, Xin Du, Jin Zhao, Yanlin Zhao, ShengFen Wang, Yuhong Liu, Liang Li, Dennis Falzon, Yanni Sun, Yu Wang, Bernhard Schwartländer, Fabio Scano
China has the world's second largest burden of multidrug-resistant tuberculosis (MDR-TB; resistance to at least isoniazid and rifampicin), with an estimated 57,000 cases (range, 48,000-67,000) among notified pulmonary TB patients in 2015. During October 1, 2006-June 30, 2014, China expanded MDR-TB care through a partnership with the Global Fund to Fight AIDS, Tuberculosis, and Malaria (Global Fund). We analyzed data on site expansion, patient enrolment, treatment outcomes, cost per patient, and overall programme expenditure...
2017: PloS One
https://www.readbyqxmd.com/read/28628619/south-african-ebola-diagnostic-response-in-sierra-leone-a-modular-high-biosafety-field-laboratory
#11
Janusz T Paweska, Petrus Jansen van Vuren, Gunther H Meier, Chantel le Roux, Ousman S Conteh, Alan Kemp, Cardia Fourie, Prabha Naidoo, Serisha Naicker, Phumza Ohaebosim, Nadia Storm, Orienka Hellferscee, Lisa K Ming Sun, Busisiwe Mogodi, Nishi Prabdial-Sing, Desiree du Plessis, Deidre Greyling, Shayne Loubser, Mark Goosen, Stewart D McCulloch, Terence P Scott, Alexandra Moerdyk, Wesley Dlamini, Kelfala Konneh, Idrissa L Kamara, Dauda Sowa, Samuel Sorie, Brima Kargbo, Shabir A Madhi
BACKGROUND: In August 2014, the National Institute for Communicable Diseases (NICD) in South Africa established a modular high-biosafety field Ebola diagnostic laboratory (SA FEDL) near Freetown, Sierra Leone in response to the rapidly increasing number of Ebola virus disease (EVD) cases. METHODS AND FINDINGS: The SA FEDL operated in the Western Area of Sierra Leone, which remained a "hotspot" of the EVD epidemic for months. The FEDL was the only diagnostic capacity available to respond to the overwhelming demand for rapid EVD laboratory diagnosis for several weeks in the initial stages of the EVD crisis in the capital of Sierra Leone...
June 19, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28627731/cell-migration-analysis-a-low-cost-laboratory-experiment-for-cell-and-developmental-biology-courses-using-keratocytes-from-fish-scales
#12
Daniel Prieto, Gonzalo Aparicio, Jose R Sotelo-Silveira
Cell and developmental processes are complex, and profoundly dependent on spatial relationships that change over time. Innovative educational or teaching strategies are always needed to foster deep comprehension of these processes and their dynamic features. However, laboratory exercises in cell and developmental biology at the undergraduate level do not often take into account the time dimension. In this article, we provide a laboratory exercise focused in cell migration, aiming to stimulate thinking in time and space dimensions through a simplification of more complex processes occurring in cell or developmental biology...
June 19, 2017: Biochemistry and Molecular Biology Education
https://www.readbyqxmd.com/read/28627178/turning-the-page-advancing-paper-based-microfluidics-for-broad-diagnostic-application
#13
Max M Gong, David Sinton
Infectious diseases are a major global health issue. Diagnosis is a critical first step in effectively managing their spread. Paper-based microfluidic diagnostics first emerged in 2007 as a low-cost alternative to conventional laboratory testing, with the goal of improving accessibility to medical diagnostics in developing countries. In this review, we examine the advances in paper-based microfluidic diagnostics for medical diagnosis in the context of global health from 2007 to 2016. The theory of fluid transport in paper is first presented...
June 19, 2017: Chemical Reviews
https://www.readbyqxmd.com/read/28625611/comparing-sf-36%C3%A2-scores-versus-biomarkers-to-predict-mortality-in-primary-cardiac-prevention-patients
#14
EDITORIAL
Rony Lahoud, Vasutakarn Chongthammakun, Yuping Wu, Nael Hawwa, Danielle M Brennan, Leslie Cho
BACKGROUND: Risk stratification plays an important role in evaluating patients with no known cardiovascular disease (CVD). Few studies have investigated health-related quality of life questionnaires such as the Medical Outcomes Study Short Form-36 (SF-36®) as predictive tools for mortality, particularly in direct comparison with biomarkers. Our objective is to measure the relative effectiveness of SF-36® scores in predicting mortality when compared to traditional and novel biomarkers in a primary prevention population...
June 15, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28624728/nitrite-production-from-urine-for-sulfide-control-in-sewers
#15
Min Zheng, Zhiqiang Zuo, Yizhen Zhang, Yujia Cui, Qian Dong, Yanchen Liu, Xia Huang, Zhiguo Yuan
Most commonly used methods for sewer sulfide control involves dosing chemical agents to wastewater, which incurs high operational costs. Here, we propose and demonstrate a cost-effective and environmentally attractive approach to sewer sulfide control through urine separation and its subsequent conversion to nitrite prior to intermittent dosage to sewers. Urine collected from a male toilet urinal was fed to laboratory-scale sequencing batch reactors. The reactors stably converted roughly 50% of the nitrogen in urine to nitrite, with high abundance (at 17...
May 23, 2017: Water Research
https://www.readbyqxmd.com/read/28624578/temporary-removal-accuracy-of-tests-for-antibodies-against-tissue-transglutaminase-in-diagnosis-of-celiac-disease-without-biopsy
#16
K J Werkstetter, I R Korponay-Szabó, A Popp, V Villanacci, M Salemme, G Heilig, S T Lillevang, M L Mearin, C Ribes-Koninckx, A Thomas, R Troncone, B Filipiak, M Mäki, J Gyimesi, M Najafi, J Dolinšek, S Dydensborg Sander, R Auricchio, A Papadopoulou, A Vécsei, P Szitanyi, E Donat, R Nenna, Ph Alliet, F Penagini, H Garnier-Lengliné, G Castillejo, K Kurppa, R Shamir, A C Hauer, F Smets, S Corujeira, M van Winckel, S Buderus, S Chong, S Husby, S Koletzko
The publisher regrets that this article has been temporarily removed. A replacement will appear as soon as possible in which the reason for the removal of the article will be specified, or the article will be reinstated. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/our-business/policies/article-withdrawal.
June 15, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28623565/the-novel-oleaginous-bacterium-sphingomonas-sp-egy1-dsm-29616-a-value-added-platform-for-renewable-biodiesel
#17
Nehad N Amer, Yasser Elbahloul, Amira M Embaby, Ahmed Hussein
Oleaginous microorganisms are regarded as efficient, renewable cell factories for lipid biosynthesis, a biodiesel precursor, to overwhelm the cosmopolitan energy crisis with affordable investment capital costs. Present research highlights production and characterization of lipids by a newly isolated oleaginous bacterium, Sphingomonas sp. EGY1 DSM 29616 through an eco-friendly approach. Only sweet whey [42.1% (v/v)] in tap water was efficiently used as a growth medium and lipid production medium to encourage cell growth and trigger lipid accumulation simultaneously...
July 2017: World Journal of Microbiology & Biotechnology
https://www.readbyqxmd.com/read/28623493/bioremediation-of-palm-industry-wastes-using-vermicomposting-technology-its-environmental-application-as-green-fertilizer
#18
Parveen Fatemeh Rupani, Asha Embrandiri, Mahamd Hakimi Ibrahim, Mohammad Shahadat, Sune Balle Hansen, Nur Naha Abu Mansor
Several technologies are being applied for treatment of palm oil mill wastes. Among them, the biological treatments (vermicomposting) have widely been recognized as one of the most efficient and eco-friendly methods for converting organic waste materials into valuable products. The present study focuses on vermicomposting of acidic palm oil mill effluent (POME) mixed with the palm pressed fibre (PPF) which are found difficult to decompose in the environment. The industrial waste (POME) was vermicomposted using Lumbricus rubellus under laboratory conditions for a period of 45 days...
July 2017: 3 Biotech
https://www.readbyqxmd.com/read/28622848/average-male-and-female-virtual-dummy-model-biorid-and-evarid-simulations-with-two-seat-concepts-in-the-euro-ncap-low-severity-rear-impact-test-configuration
#19
Astrid Linder, Kristian Holmqvist, Mats Y Svensson
Soft tissue neck injuries, also referred to as whiplash injuries, which can lead to long term suffering accounts for more than 60% of the cost of all injuries leading to permanent medical impairment for the insurance companies, with respect to injuries sustained in vehicle crashes. These injuries are sustained in all impact directions, however they are most common in rear impacts. Injury statistics have since the mid-1960s consistently shown that females are subject to a higher risk of sustaining this type of injury than males, on average twice the risk of injury...
June 13, 2017: Accident; Analysis and Prevention
https://www.readbyqxmd.com/read/28622767/praziquantel-decreases-fecundity-in-schistosoma-mansoni-adult-worms-that-survive-treatment-evidence-from-a-laboratory-life-history-trade-offs-selection-study
#20
Poppy H L Lamberton, Christina L Faust, Joanne P Webster
BACKGROUND: Mass drug administration of praziquantel is the World Health Organization's endorsed control strategy for schistosomiasis. A decade of annual treatments across sub-Saharan Africa has resulted in significant reductions of infection prevalence and intensity levels, although 'hotspots' remain. Repeated drug treatments place strong selective pressures on parasites, which may affect life-history traits that impact transmission dynamics. Understanding drug treatment responses and the evolution of such traits can help inform on how to minimise the risk of drug resistance developing, maximise sustainable control programme success, and improve diagnostic protocols...
June 16, 2017: Infectious Diseases of Poverty
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