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https://www.readbyqxmd.com/read/28339427/a-critical-analysis-of-obamacare-affordable-care-or-insurance-for-many-and-coverage-for-few
#1
Laxmaiah Manchikanti, Standiford Helm Ii, Ramsin M Benyamin, Joshua A Hirsch
The Affordable Care Act (ACA), of 2010, or Obamacare, was the most monumental change in US health care policy since the passage of Medicaid and Medicare in 1965. Since its enactment, numerous claims have been made on both sides of the aisle regarding the ACA's success or failure; these views often colored by political persuasion. The ACA had 3 primary goals: increasing the number of the insured, improving the quality of care, and reducing the costs of health care. One point often lost in the discussion is the distinction between affordability and access...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28335573/ultratrace-detection-of-histamine-using-a-molecularly-imprinted-polymer-based-voltammetric-sensor
#2
Maedeh Akhoundian, Axel Rüter, Sudhirkumar Shinde
Rapid and cost-effective analysis of histamine, in food, environmental, and diagnostics research has been of interest recently. However, for certain applications, the already-existing biological receptor-based sensing methods have usage limits in terms of stability and costs. As a result, robust and cost-effective imprinted polymeric receptors can be the best alternative. In the present work, molecularly-imprinted polymers (MIPs) for histamine were synthesized using methacrylic acid in chloroform and acetonitrile as two different porogens...
March 21, 2017: Sensors
https://www.readbyqxmd.com/read/28335369/effect-of-nano-sio%C3%A2-on-the-hydration-and-microstructure-of-portland-cement
#3
Liguo Wang, Dapeng Zheng, Shupeng Zhang, Hongzhi Cui, Dongxu Li
This paper systematically studied the modification of cement-based materials by nano-SiO₂ particles with an average diameter of about 20 nm. In order to obtain the effect of nano-SiO₂ particles on the mechanical properties, hydration, and pore structure of cement-based materials, adding 1%, 3%, and 5% content of nano-SiO₂ in cement paste, respectively. The results showed that the reaction of nano-SiO₂ particles with Ca(OH)₂ (crystal powder) started within 1 h, and formed C-S-H gel. The reaction speed was faster after aging for three days...
December 15, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28335328/investigation-of-the-mechanical-properties-and-microstructure-of-graphene-nanoplatelet-cement-composite
#4
Baomin Wang, Ruishuang Jiang, Zhenlin Wu
In this work, graphene nanoplatelets (GNPs) were dispersed uniformly in aqueous solution using methylcellulose (MC) as a dispersing agent via ultrasonic processing. Homogenous GNP suspensions were incorporated into the cement matrix to investigate the effect of GNPs on the mechanical behavior of cement paste. The optimum concentration ratio of GNPs to MC was confirmed as 1:7 by ultraviolet visible spectroscopy (UV-Vis), and the optical microscope and transmission electron microscopy (TEM) images displayed remarkable dispersing performance...
November 4, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334778/exploration-of-deep-eutectic-solvent-based-molecularly-imprinted-polymers-as-solid-phase-extraction-sorbents-for-screening-chloramphenicol-in-milk
#5
Weiyang Tang, Fan Gao, Yue Duan, Tao Zhu, Kyung Ho Row
Novel deep eutectic solvents modified molecularly imprinted polymers (DESs-MIPs) were synthesized using acrylamide as function monomer, alcohol-based DESs as auxiliary function monomer and chloramphenicol (CAP) as the template. The DESs modified materials were characterized by Fourier transform infrared and field emission scanning electron microscope. The adsorption results that the choline chloride/ethylene glycol DESs-based MIPs had stable interactions with CAP. So the choline chloride/ethylene glycol DESs-based MIPs were applied as sorbent of minimized pipette-tip solid-phase extraction (PT-SPE) for rapid screening CAP from milk sample...
February 27, 2017: Journal of Chromatographic Science
https://www.readbyqxmd.com/read/28334462/flexibility-and-stability-of-metal-coordination-macromolecules
#6
Xiao-Song Wang, Dapeng Liu, Diya Gen, Heyang Jiang, Nicholas Lanigan
The effect of chain structure on flexibility and stability of the macromolecules containing weak P-Fe metal coordination bonds is studied. Migration insertion polymerization (MIP) of FpCXFp (1) and PR2CYPR2 (2) (Fp: CpFe(CO)2; CX and CY: alkyl spacers; P: phosphine; R: phenyl or isopropyl) generates P(1/2), in which the P-Fe and Fe-P bonds with opposite bonding direction are alternatively arranged in the backbone. On the other hand, P(FpCXP) synthesized from AB-type monomers (FpCXP) has P-Fe bonds arranged in the same direction...
March 23, 2017: Chemistry: a European Journal
https://www.readbyqxmd.com/read/28333869/macra-a-new-age-for-physician-payments
#7
Kent Kwasind Huston
The Medicare Access and CHIP Reauthorization Act (MACRA) of 2015 introduced a new system of physician payments in the United States. This legislation and the complex rules written to enact the law intend to force a shift away from volume-based payments and into so called value-based payments. Physicians and other clinicians will be graded via quality and cost metrics and payments will be adjusted based on performance. Robust use of certified electronic health records is required under MACRA. Physicians will follow one of two payment reform tracks known as the Merit-Based Incentive Payment System (MIPS) and the Alternative Payment Model (APM) pathways...
April 2017: Journal of Clinical Rheumatology: Practical Reports on Rheumatic & Musculoskeletal Diseases
https://www.readbyqxmd.com/read/28333096/molecularly-imprinted-polymers-for-selective-extraction-of-oblongifolin-c-from-garcinia-yunnanensis-hu
#8
Liping Wang, Wenwei Fu, Yunhui Shen, Hongsheng Tan, Hongxi Xu
Molecularly imprinted polymers (MIPs) were synthesized and applied for the selective extraction of oblongifolin C (OC) from fruit extracts of Garcinia yunnanensis Hu. A series of experiments and computational approaches were employed to improve the efficiency of screening for optimal MIP systems in the study. The molar ratio (1:4) was eventually chosen based on the comparison of the binding energy of the complexes between the template (OC) and the functional monomers using density functional theory (DFT) at the RI-PBE-D3-gCP/def2-TZVP level of theory...
March 23, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28332277/sequencing-of-sporadic-attention-deficit-hyperactivity-disorder-adhd-identifies-novel-and-potentially-pathogenic-de-novo-variants-and-excludes-overlap-with-genes-associated-with-autism-spectrum-disorder
#9
Daniel Seung Kim, Amber A Burt, Jane E Ranchalis, Beth Wilmot, Joshua D Smith, Karynne E Patterson, Bradley P Coe, Yatong K Li, Michael J Bamshad, Molly Nikolas, Evan E Eichler, James M Swanson, Joel T Nigg, Deborah A Nickerson, Gail P Jarvik
Attention-Deficit Hyperactivity Disorder (ADHD) has high heritability; however, studies of common variation account for <5% of ADHD variance. Using data from affected participants without a family history of ADHD, we sought to identify de novo variants that could account for sporadic ADHD. Considering a total of 128 families, two analyses were conducted in parallel: first, in 11 unaffected parent/affected proband trios (or quads with the addition of an unaffected sibling) we completed exome sequencing. Six de novo missense variants at highly conserved bases were identified and validated from four of the 11 families: the brain-expressed genes TBC1D9, DAGLA, QARS, CSMD2, TRPM2, and WDR83...
March 22, 2017: American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics
https://www.readbyqxmd.com/read/28332084/molecularly-imprinted-membranes-mims-for-selective-removal-of-polychlorinated-biphenyls-pcbs-in-environmental-waters-fabrication-and-characterization
#10
Dennis S Mkhize, Hlengilizwe Nyoni, Laura P Quinn, Bhekie B Mamba, Titus A M Msagati
Molecularly imprinted membranes (MIMs) with selective removal properties for polychlorinated biphenyls (PCBs) were prepared through the phase inversion technique. The MIMs were obtained from casting the viscous solutions of molecularly imprinted polymers (MIPs), polysulfone (PSf), and N-methyl-2-pyrrolidone (NMP) as the casting solvent. Different membranes were prepared at different concentration of MIPs and PSf. The resulting MIMs were characterized by atomic force microscope (AFM), scanning electron microscope (SEM), and Fourier transform infrared spectroscopy (FTIR)...
March 22, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28331306/is-cardiac-autonomic-modulation-during-upper-limb-isometric-contraction-and-valsalva-maneuver-impaired-in-copd-patients
#11
Cássia da Luz Goulart, Ramona Cabiddu, Paloma de Borba Schneiders, Elisabete Antunes San Martin, Renata Trimer, Audrey Borghi-Silva, Andréa Lúcia Gonçalves da Silva
PURPOSE: To evaluate the heart rate variability (HRV) indices and heart rate (HR) responses during isometric contraction (IC) and Valsalva maneuver (VM) in COPD patients. METHODS: Twenty-two stable moderate to severe COPD patients were evaluated. R-R intervals were recorded (monitor Polar(®) S810i) during dominant upper limb IC (2 minutes). Stable signals were analyzed by Kubios HRV(®) software. Indices of HRV were computed in the time domain (mean HR; square root of the mean squared differences of successive RR intervals [RMSSD] and HRV triangular index [RR tri index]) and in the frequency domain (high frequency [HF]; low frequency [LF] and LF/HF ratio)...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/28330867/influenza-vaccines-differentially-regulate-the-interferon-response-in-human-dendritic-cell-subsets
#12
Shruti Athale, Romain Banchereau, LuAnn Thompson-Snipes, Yuanyuan Wang, Karolina Palucka, Virginia Pascual, Jacques Banchereau
Human dendritic cells (DCs) play a fundamental role in the initiation of long-term adaptive immunity during vaccination against influenza. Understanding the early response of human DCs to vaccine exposure is thus essential to determine the nature and magnitude of maturation signals that have been shown to strongly correlate with vaccine effectiveness. In 2009, the H1N1 influenza epidemics fostered the commercialization of the nonadjuvanted monovalent H1N1 California vaccine (MIV-09) to complement the existing nonadjuvanted trivalent Fluzone 2009-2010 vaccine (TIV-09)...
March 22, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28328794/hcv-drives-increased-type-i-ifn-associated-impairments-associated-to-fibrosis-severity-in-art-treated-hiv-1-hcv-coinfected-individuals
#13
Morgane Griesbeck, Marc-Antoine Valantin, Karine Lacombe, Assia Samri-Hassimi, Julie Bottero, Catherine Blanc, Zineb Sbihi, Rima Zoorob, Christine Katlama, Marguerite Guiguet, Marcus Altfeld, Brigitte Autran
BACKGROUND: Viral coinfections might contribute to the increased immune activation and inflammation that persist in ART-treated HIV-1 patients. We investigated whether the HCV co-infection contributes to such alterations by impairing the pDC IFNα/TLR7 pathway in a highly homogeneous group of ART-treated HIV-1-HCV co-infected patients. METHODS: Twenty nine HIV-1-infected patients with fully suppressive ART were included, fifteen of whom being HCV co-infected with mild to moderate fibrosis and matched for their HIV-1 disease, and thirteen control healthy donors...
March 21, 2017: AIDS
https://www.readbyqxmd.com/read/28327452/sensitive-detection-of-l-5-hydroxytryptophan-based-on-molecularly-imprinted-polymers-with-graphene-amplification
#14
Lu Chen, Hui-Ting Lian, Xiang-Ying Sun, Bin Liu
A novel electrochemical sensor was presented for the determination of L-5-hydroxytryptophan (L-5-HTP) based on a graphene-chitosan molecularly imprinted film modified on the surface of glassy carbon electrode (GR-MIP/GCE). The morphology and composition of the imprinted film were observed in field emission scanning electron microscopy (FESEM), raman spectroscopy and fourier transform infrared (FTIR). The properties of the sensor were evaluated by electrochemical techniques. Under the optimal conditions, the peak currents of L-5-HIP were found to be linear in the concentration range of 0...
March 19, 2017: Analytical Biochemistry
https://www.readbyqxmd.com/read/28326626/preparation-and-evaluation-of-molecularly-imprinted-polymer-for-selective-recognition-and-adsorption-of-gossypol
#15
Keke Zhi, Lulu Wang, Yagang Zhang, Xuemin Zhang, Letao Zhang, Li Liu, Jun Yao, Wei Xiang
Molecularly imprinted polymers (MIPs) were designed and prepared via bulk thermal polymerization with gossypol as the template molecule and dimethylaminoethyl methacrylate as the functional monomer. The morphology and microstructures of MIPs were characterized by scanning electron microscope and Brunauer-Emmett-Teller surface areas. Static adsorption tests were performed to evaluate adsorption behavior of gossypol by the MIPs. It was found that adsorption kinetics and adsorption isotherms data of MIPs for gossypol were fit well with the pseudo-second-order model and Freundlich model, respectively...
March 22, 2017: Journal of Molecular Recognition: JMR
https://www.readbyqxmd.com/read/28322467/a-new-strategy-for-accelerated-extraction-of-target-compounds-using-molecularly-imprinted-polymer-particles-embedded-in-a-paper-based-disk
#16
Mashaalah Zarejousheghani, Steffi Schrader, Monika Möder, Matthias Schmidt, Helko Borsdorf
In this study, a general simple and inexpensive method is introduced for the preparation of a paper-based selective disk-type solid phase extraction (SPE) technique, appropriate for fast and high throughput monitoring of target compounds. An ion exchange molecularly imprinted polymer (MIP) was synthesized for the extraction and analysis of acesulfame, an anthropogenic water quality marker. Acesulfame imprinting was used as an example for demonstrating the benefits of a nanosized, swellable MIP extraction sorbents integrated in an on-site compatible concept for water quality monitoring...
March 21, 2017: Journal of Molecular Recognition: JMR
https://www.readbyqxmd.com/read/28321502/molecularly-imprinted-polymers-as-selective-adsorbents-for-ambient-plasma-mass-spectrometry
#17
Michał Cegłowski, Marek Smoluch, Edward Reszke, Jerzy Silberring, Grzegorz Schroeder
The application of molecularly imprinted polymers (MIPs) as molecular scavengers for ambient plasma ionization mass spectrometry has been reported for the first time. MIPs were synthesized using methacrylic acid as functional monomer; nicotine, propyphenazone, or methylparaben as templates; ethylene glycol dimethacrylate as a cross-linker; and 2,2'-azobisisobutyronitrile as polymerization initiator. To perform ambient plasma ionization experiments, a setup consisting of the heated crucible, a flowing atmospheric-pressure afterglow (FAPA) plasma ion source, and a quadrupole ion trap mass spectrometer has been used...
March 20, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28321152/th1-th17-related-cytokines-and-chemokines-and-their-implications-in-the-pathogenesis-of-pemphigus-vulgaris
#18
Rodolfo Pessato Timoteo, Marcos Vinicius da Silva, Camila Botelho Miguel, Djalma Alexandre Alves Silva, Jonatas Da Silva Catarino, Virmondes Rodrigues Junior, Helioswilton Sales-Campos, Carlo Jose Freire Oliveira
Pemphigus vulgaris (PV) is an autoimmune disease characterized by the presence of IgG autoantibodies against desmoglein-3. Despite the variety of findings, the chemokine and cytokine profiles that characterize the immune response in the disease are still poorly explored. Thus, 20 PV patients and 20 controls were grouped according to gender, ethnicity, place of residence, and clinical parameters of the disease. Then, the levels of chemokines and of Th1/Th2/Th17/Treg/Th9/Th22-related cytokines were assessed in the serum...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28319899/molecular-imprinting-sensor-based-on-quantum-weak-measurement
#19
Dongmei Li, Qinghua He, Yonghong He, Meiguo Xin, Yilong Zhang, Zhiyuan Shen
A new type of sensing protocol, based on a high precision metrology of quantum weak measurement, was first proposed for molecularly imprinted polymers (MIP) sensor. The feasibility, sensitivity and selectivity of weak measurement based MIP (WMMIP) sensor were experimentally demonstrated with bovine serum albumin (BSA). Weak measurement system exhibits high sensitivity to the optical phase shift corresponding to the refractive index change, which is induced by the specific capture of target protein molecules with its recognition sites...
March 10, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28319586/short-term-exercise-training-alters-leukocyte-chemokine-receptors-in-obese-adults
#20
Julianne C Barry, Svetlana Simtchouk, Cody Durrer, Mary E Jung, Jonathan P Little
Obesity is characterized by chronic low-grade inflammation driven by activation and tissue infiltration of circulating leukocytes. Although exercise has anti-inflammatory effects, the impact of exercise on mediators of leukocyte migration is unclear. PURPOSE: To determine the impact of high intensity interval training (HIIT) versus moderate intensity continuous training (MICT), in the absence of weight/fat loss, on circulating chemokines and leukocyte chemokine receptors. METHODS: Thirty-seven inactive obese adults were randomized to two weeks (10 sessions) of HIIT or MICT with fasting blood samples collected before and after training...
March 18, 2017: Medicine and Science in Sports and Exercise
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