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https://www.readbyqxmd.com/read/29144197/evaluation-of-umelisa-%C3%A2-t4-neonatal-and-umelisa-%C3%A2-t4-using-polystyrene-plates-coated-with-anti-thyroxine-t4-monoclonal-antibodies
#1
Elisa M Castells, Ernesto C González, Pedro L Pérez, Lesley Del Río, Yileidis Tejeda, Yenitse Perea, Odalys Martín, Maryeris Espinosa, Jose A Rivero, Amarilys Frómeta
Congenital hypothyroidism is one of the most common preventable causes of mental retardation. The Center of Immunoassay has developed the UMELISA(®) T4 NEONATAL and UMELISA(®) T4 to determine neonatal T4 levels in dried blood and serum samples. Both reagent kits use the same polystyrene plates coated with anti- thyroxine (T4) polyclonal antibodies as solid phase. This work shows the re-standardization of the UMELISA(®) T4 NEONATAL and UMELISA(®) T4 using plates coated with anti-T4 monoclonal antibodies (T4Mabs)...
November 16, 2017: Journal of Immunoassay & Immunochemistry
https://www.readbyqxmd.com/read/29143704/identification-of-clostridium-difficile-reservoirs-in-the-patient-environment-and-efficacy-of-aerial-hydrogen-peroxide-decontamination
#2
Samuel Yui, Shanom Ali, Monika Muzslay, Annette Jeanes, A Peter R Wilson
OBJECTIVE To identify, using a novel enhanced method of recovery, environmental sites where spores of Clostridium difficile persist despite cleaning and hydrogen peroxide aerial decontamination. DESIGN Cohort study. SETTING Tertiary referral center teaching hospital. METHODS In total, 16 sites representing high-frequency contact or difficult-to-clean surfaces in a single-isolation room or bed area in patient bed bays were sampled before and after terminal or hydrogen peroxide disinfection using a sponge swab...
November 16, 2017: Infection Control and Hospital Epidemiology
https://www.readbyqxmd.com/read/29137052/arytenoid-cartilage-dislocation-mimicking-bilateral-vocal-cord-paralysis-a-case-report
#3
Eun H Chun, Hee J Baik, Rack K Chung, Hun J Lee, Kwangseob Shin, Jae H Woo
RATIONALE: Arytenoid dislocation is very rare and may be misdiagnosed as vocal cord paralysis or a self-limiting sore throat. PATIENT CONCERNS: A 70-year-old male (70 kg, 156 cm) was scheduled for transurethral resection of bladder tumors. A McGrath videolaryngoscope, with a basic cuffed Mallinckrodt oral tracheal tube of 7.5 mm internal diameter, was used to successfully intubate his trachea. The duration of surgery was 25 minutes. In the recovery room, he complained of sore throat and dyspnea with inspiratory stridor, which were not resolved after intravenous injection of 10 mg of dexamethasone...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29137023/a-case-report-of-schatzker-type-vi-tibial-plateau-fracture-treated-with-double-reverse-traction-closed-reduction-combined-with-minimally-invasive-percutaneous-plate-osteosynthesis-technique-a-case-report
#4
Dian-Qing Li, De-Ye Song, Jiang-Dong Ni, Mu-Liang Ding, Jun Huang
RATIONALE: The knee joint is an important weight-bearing joint, tibial plateau fractures affect knee function and stability. High-energy intra-articular fractures involving the tibial plateau can cause management-related problems such as wound dehiscence; severe comminution leading to malalignment; and delayed complications such as varus collapse, implant failure, and arthritis of the knee joint. The treatment of severe or complex tibial plateau fractures can be quite difficult. Traditional methods of open reduction and plating require extensive exposures, which may further compromise soft tissue and devascularize bone fragments, leading to infection...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29136902/nitrone-formation-a-new-strategy-for-the-derivatization-of-aldehydes-and-its-application-on-the-determination-of-furfurals-in-foods-by-high-performance-liquid-chromatography-with-fluorescence-detection
#5
Ao Zhang, Zhaobing Guan, Hongwei Cai, Yiyong Huang, Yawei Lin, Xiaosong Hu
A nitrone formation method using a novel fluorescent reagent 4-hydroxylaminopropyl-7-methoxylcoumarin (HAMC) has been developed and applied for the determination of furfurals in foods using high performance liquid chromatography with fluorescence detection (HPLC-FLD). Furfurals samples were derivatized by HAMC in aqueous condition at room temperature in less than 30min and were subjected to direct HPLC-FLD analysis without extra purification or extraction. Compared with other conventional methods, nitrone formation method produced single chromatographic peak for each analyte, leading to simpler chromatograms and enhancing the overall sensitivity...
February 1, 2018: Talanta
https://www.readbyqxmd.com/read/29136366/use-of-an-efficient-measurement-uncertainty-approach-to-compare-room-temperature-and-cryogenic-sample-processing-in-the-analysis-of-chemical-contaminants-in-foods
#6
Lijun Han, Steven J Lehotay, Yelena Sapozhnikova
In this study, analytical results were compared when using different approaches to bulk food sample comminution, consisting of a vertical chopper (Blixer(®)) at room temperature and at dry ice cryogenic conditions, followed by further subsample processing (20 g) using liquid nitrogen cryogenic conditions (cryomill). Analysis of the 43 targeted spiked and incurred contaminants in a food mixture consisting of equal parts orange, apple, kale, salmon, and croaker involved QuEChERS with automated mini-column solid-phase extraction (known as ITSP) cleanup followed by low pressure gas chromatography - tandem mass spectrometry (LPGC-MS/MS)...
November 14, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29131604/from-zn-ii-carboxylate-to-double-walled-zn-ii-carboxylato-phosphate-mof-change-in-the-framework-topology-capture-and-conversion-of-co2-and-catalysis-of-strecker-reaction
#7
Mayank Gupta, Dinesh De, Kapil Tomar, Parimal K Bharadwaj
The ligand H2L has been built by linking an imidazole moiety to the 5-position of isophthalic acid. It forms two types of porous frameworks, {[Zn(L)]·2DMF·2H2O}n (1) and {[(CH3)2NH2][Zn2(L)(H2O)PO4]·2DMF}n (2). 1 is a porous neutral framework and has rtl rutile 3,6-conn topology, while 2 is an organo-metallophosphate anionic porous framework with double-walled hexagonal channels. Framework 1' (desolvated) exhibits moderate CO2 adsorption (58 cc g(-1) at 273 K, 1 bar), whereas 2' (desolvated) shows a microporous nature with a high adsorption of CO2 (111...
November 13, 2017: Inorganic Chemistry
https://www.readbyqxmd.com/read/29131486/free-amino-acids-biogenic-amines-and-ammonium-profiling-in-tobacco-from-different-geographical-origins-using-microwave-assisted-extraction-followed-by-ultra-high-performance-liquid-chromatography
#8
Kai Cai, Zhangmin Xiang, Hongqin Li, Huina Zhao, Yechun Lin, Wenjie Pan, Bo Lei
This work describes a rapid, stable, and accurate method for determining the free amino acids, biogenic amines, and ammonium in tobacco. The target analytes were extracted with microwave-assisted extraction and then derivatized with diethyl ethoxymethylenemalonate, followed by ultra high performance liquid chromatography analysis. The experimental design used to optimize the microwave-assisted extraction conditions showed that the optimal extraction time was 10 min with a temperature of 60°C. The stability of aminoenone derivatives was improved by keeping the pH near 9...
November 13, 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/29131415/superior-toughness-and-fast-self-healing-at-room-temperature-engineered-by-transparent-elastomers
#9
Seon-Mi Kim, Hyeonyeol Jeon, Sung-Ho Shin, Seul-A Park, Jonggeon Jegal, Sung Yeon Hwang, Dongyeop X Oh, Jeyoung Park
The most important properties of self-healing polymers are efficient recovery at room temperature and prolonged durability. However, these two characteristics are contradictory, making it difficult to optimize them simultaneously. Herein, a transparent and easily processable thermoplastic polyurethane (TPU) with the highest reported tensile strength and toughness (6.8 MPa and 26.9 MJ m(-3) , respectively) is prepared. This TPU is superior to reported contemporary room-temperature self-healable materials and conveniently heals within 2 h through facile aromatic disulfide metathesis engineered by hard segment embedded aromatic disulfides...
November 13, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29125364/improving-care-for-patients-with-dementia-in-the-recovery-room
#10
Helena Edis
Caring for patients with dementia emerging from general anaesthesia in the recovery room can be very challenging. Sedation is sometimes necessary in order to nurse patients effectively and avoid any negative consequences of poor post-anaesthetic care. No local or national guidelines could be found to suggest best nursing practice in this situation. Three small-scale innovations were introduced into the recovery room in one hospital as part of a quality improvement project to give alternatives to chemical restraint...
November 9, 2017: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/29119573/temperature-cycling-during-platelet-cold-storage-improves-in-vivo-recovery-and-survival-in-healthy-volunteers
#11
Jaroslav G Vostal, Monique P Gelderman, Andrey Skripchenko, Fei Xu, Ying Li, Johannah Ryan, Chunrong Cheng, Pam Whitley, Michael Wellington, Sherrie Sawyer, Shalene Hanley, Stephen J Wagner
BACKGROUND: Room temperature (RT) storage of platelets (PLTs) can support bacterial proliferation in contaminated units, which can lead to transfusion-transmitted septic reactions. Cold temperature storage of PLTs could reduce bacterial proliferation but cold exposure produces activation-like changes in PLTs and leads to their rapid clearance from circulation. Cold-induced changes are reversible by warming and periodic rewarming during cold storage (temperature cycling [TC]) has been proposed to alleviate cold-induced reduction in PLT circulation...
November 8, 2017: Transfusion
https://www.readbyqxmd.com/read/29119207/anesthesia-in-a%C3%A2-child-with-suspected-peroxisomal-disorder
#12
J S Englbrecht, M Maas
We present the case of an 8‑year-old female child with suspected peroxisomal disorder requiring general anesthesia for adenotomy, paracentesis and brainstem-evoked response audiometry. Peroxisomes are small intracellular organelles that catalyse key metabolic reactions. Peroxisomal disorders are a heterogeneous group of rare genetic diseases. Anesthesia can be challenging as adrenal insufficiency, mental retardation, muscle weakness, risk of pulmonary aspiration, airway complications, seizure disorders and altered pharmacokinetics and pharmacodynamics can occur in these patients but guidelines for anesthesia do not exist due to the heterogeneity and rarity of these diseases and case reports are rare...
November 8, 2017: Der Anaesthesist
https://www.readbyqxmd.com/read/29116161/room-temperature-nh3-sensing-of-graphene-oxide-film-and-its-enhanced-response-on-the-laser-textured-silicon
#13
Suwan Zhu, Haibin Sun, Xiaolong Liu, Jun Zhuang, Li Zhao
Electricity-based response to NH3 of graphene oxide (GO) is demonstrated at ppm level at room temperature. The GO film prepared on planar silicon substrate shows weak response when exposed to 50 ppm NH3, response time less than 30 s and recovery time about 100 s. More interestingly, the GO film coated on laser-textured silicon substrate shows significant enhancement for sensor response, and meanwhile response/recovery time is mainly preserved. Furthermore, a good response of textured GO film is detected in a dynamic range of 5-100 ppm NH3...
November 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29114413/perioperative-factors-affecting-ambulatory-outcomes-following-laparoscopic-adjustable-gastric-banding
#14
Mirsad Dupanovic, Ron Krebill, Iris Dupanovic, John Nachtigal, Melissa Rockford, Walter Orr
Objective: Morbidly obese patients are traditionally hospitalised following bariatric surgery. However, laparoscopic-adjustable gastric banding (LAGB) is amenable for ambulatory care. We hypothesised that the majority of patients can receive an ambulatory LAGB and that both surgical and anaesthetic perioperative factors will significantly affect non-ambulatory LAGB outcomes. Methods: Medical records of 201 consecutive LAGB patients performed at the University of Kansas Medical Centre during a 3-y period were reviewed...
October 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/29109948/hemodynamic-and-pathologic-characterization-of-the-task-1-mouse-does-not-demonstrate-pulmonary-hypertension
#15
Melanie G Kitagawa, Julia O Reynolds, Xander H T Wehrens, Robert M Bryan, Lavannya M Pandit
Introduction: Pulmonary hypertension (PH) carries significant associated morbidity and mortality and the underlying molecular mechanisms of PH are not well understood. Loss-of-function mutations in TASK-1 potassium channels are associated with PH in humans. Although TASK-1 has been considered in the development of PH for over a decade, characterization of TASK-1 knockout mice has been limited to in vitro studies or in vivo studies in room air at isolated time points. The purpose of this study was twofold...
2017: Frontiers in Medicine
https://www.readbyqxmd.com/read/29109812/nanoscale-mechanical-properties-of-nanoindented-ni48-8mn27-2ga24-ferromagnetic-shape-memory-thin-film
#16
Xiaofei Fu, Chao Liu, Xili Lu, Xianli Li, Jingwei Lv, Famei Wang, Liying Wang
The structure and nanoscale mechanical properties of Ni48.8Mn27.2Ga24 thin film fabricated by DC magnetron sputtering are investigated systematically. The thin film has the austenite state at room temperature with the L21 Hesuler structure. During nanoindentation, stress-induced martensitic transformation occurs on the nanoscale for the film annealed at 823 K for 1 hour and the shape recovery ratio is up to 85.3%. The associated mechanism is discussed.
2017: Scanning
https://www.readbyqxmd.com/read/29109634/accuracy-of-ultrasound-imaging-versus-manual-palpation-for-locating-the-intervertebral-level
#17
Reshma Ambulkar, Vijaya Patil, Jeson R Doctor, Madhavi Desai, Nitin Shetty, Vandana Agarwal
Background and Aims: Efficacy of epidural analgesia depends on placement of the epidural catheter at the appropriate level. Manual palpation using surface landmarks to identify the desired intervertebral level may not be a reliable method. Ultrasonography (USG) is an alternative technique but requires training and may increase procedure time. The objective of this study was to compare the accuracy of ultrasound (US) imaging with manual palpation for locating the intervertebral level. Material and Methods: We included postoperative adult patients without an epidural catheter who were scheduled to have a chest radiograph in the recovery room...
July 2017: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/29102796/extraction-of-curcuminoids-by-using-ethyl-lactate-and-its-optimisation-by-response-surface-methodology
#18
Angelo Antonio D'Archivio, Maria Anna Maggi, Fabrizio Ruggieri
Response surface methodology (RSM) was applied to optimise the extraction of curcuminoids (curcumin, demethoxycurcumin and bisdemethoxycurcumin) from turmeric using ethyl lactate (EL), ethanol and water under mild conditions (magnetic stirring at room temperature). An augmented simplex-centroid mixture design was used to monitor the dependence of the extraction efficiency from the proportions of the three solvents in the extraction medium. HPLC was used to establish the content of curcuminoids in turmeric and in the extracts...
November 1, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29102244/an-uhplc-ms-ms-method-for-simultaneous-quantification-of-human-amyloid-beta-peptides-a%C3%AE-1-38-a%C3%AE-1-40-and-a%C3%AE-1-42-in-cerebrospinal-fluid-using-micro-elution-solid-phase-extraction
#19
Ping-Ping Lin, Wei-Li Chen, Fei Yuan, Lei Sheng, Yu-Jia Wu, Wei-Wei Zhang, Guo-Qing Li, Hong-Rong Xu, Xue-Ning Li
Amyloid beta (Aβ) peptides in cerebrospinal fluid are extensively estimated for identification of Alzheimer's disease (AD) as diagnostic biomarkers. Unfortunately, their pervasive application is hampered by interference from Aβ propensity of self-aggregation, nonspecifically bind to surfaces and matrix proteins, and by lack of quantitive standardization. Here we report on an alternative Ultra-high performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS) method for simultaneous measurement of human amyloid beta peptides Aβ1-38, Aβ1-40 and Aβ1-42 in cerebrospinal fluid (CSF) using micro-elution solid phase extraction (SPE)...
October 23, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29101426/the-city-blueprint-approach-urban-water-management-and-governance-in-cities-in-the-u-s
#20
Daniel Feingold, Stef Koop, Kees van Leeuwen
In this paper, we assess the challenges of water, waste and climate change in six cities across the U.S.: New York City, Boston, Milwaukee, Phoenix, Portland and Los Angeles. We apply the City Blueprint(®) Approach which consists of three indicator assessments: (1) the Trends and Pressures Framework (TPF), (2) the City Blueprint Framework (CBF) and (3) the water Governance Capacity Framework (GCF). The TPF summarizes the main social, environmental and financial pressures that may impede water management. The CBF provides an integrated overview of the management performances within the urban watercycle...
November 3, 2017: Environmental Management
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