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https://www.readbyqxmd.com/read/28527385/pharmacokinetic-analyses-using-absorption-kinetics-in-low-alcohol-dose-cases-of-drunken-driving
#1
Ayako Himemiya-Hakucho, Tatsuya Fujimiya
In Japan, low-alcohol dose cases of drunken driving, where drivers drink just before getting behind the wheel, are increasing for expert witnesses since the penalties for drunken driving have become stricter. Widmark's equation has generally been used for the pharmacokinetic analysis of blood alcohol concentration, which encompasses the one-compartment model with zero-order elimination kinetics but ignores absorption kinetics. We therefore propose that the formula might not be applicable to the analysis of low-alcohol dose cases of drunken driving because the issue is focused on the absorption phase...
May 5, 2017: Legal Medicine
https://www.readbyqxmd.com/read/28527037/frequency-voltage-controlled-light-transmittance-in-ferroelectric-liquid-crystal-cells
#2
Aleksey A Kudreyko, Nail G Migranov, Olga V Bachurina, Song Wanqing
Light transmittance of a short-pitch deformed-helix ferroelectric liquid crystal cell was numerically studied when low and high voltage frequencies ([Formula: see text] kHz and [Formula: see text] kHz, respectively) are applied to the cell. The reported finding in the decay of light transmittance at increasing frequency is obtained due to reasonable simplifications of the temporal dependence of director's azimuthal angle. By taking experimentally known data, we numerically demonstrate that the increase in temperature of ferroelectric liquid crystals yields an insignificant change of light transmittance within all visible spectra...
May 2017: European Physical Journal. E, Soft Matter
https://www.readbyqxmd.com/read/28527025/pose-aware-c-arm-for-automatic-re-initialization-of-interventional-2d-3d-image-registration
#3
Javad Fotouhi, Bernhard Fuerst, Alex Johnson, Sing Chun Lee, Russell Taylor, Greg Osgood, Nassir Navab, Mehran Armand
PURPOSE: In minimally invasive interventions assisted by C-arm imaging, there is a demand to fuse the intra-interventional 2D C-arm image with pre-interventional 3D patient data to enable surgical guidance. The commonly used intensity-based 2D/3D registration has a limited capture range and is sensitive to initialization. We propose to utilize an opto/X-ray C-arm system which allows to maintain the registration during intervention by automating the re-initialization for the 2D/3D image registration...
May 19, 2017: International Journal of Computer Assisted Radiology and Surgery
https://www.readbyqxmd.com/read/28527012/effect-of-voluntary-hypocapnic-hyperventilation-or-moderate-hypoxia-on-metabolic-and-heart-rate-responses-during-high-intensity-intermittent-exercise
#4
Kohei Dobashi, Naoto Fujii, Kazuhito Watanabe, Bun Tsuji, Yosuke Sasaki, Tomomi Fujimoto, Satoru Tanigawa, Takeshi Nishiyasu
PURPOSE: To investigate the effect of voluntary hypocapnic hyperventilation or moderate hypoxia on metabolic and heart rate responses during high-intensity intermittent exercise. METHODS: Ten males performed three 30-s bouts of high-intensity cycling [Ex1 and Ex2: constant-workload at 80% of the power output in the Wingate anaerobic test (WAnT), Ex3: WAnT] interspaced with 4-min recovery periods under normoxic (Control), hypocapnic or hypoxic (2500 m) conditions...
May 19, 2017: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/28526258/sleep-duration-and-the-associated-cardiometabolic-risk-scores-in-adults
#5
Thirumagal Kanagasabai, Jean-Philippe Chaput
OBJECTIVES: To identify the sleep duration associated with the lowest cardiometabolic risk score in adults and to determine if the association varies by subgroups (eg, sex, age groups, ethnicity, and smoking status). DESIGN: Cross-sectional data from the 2005-2012 National Health and Nutrition Examination Survey. SETTING: Non-institutionalized civil sample from the United States. PARTICIPANTS: Age ≥20 y (N=8827) with sleep and cardiometabolic health data...
June 2017: Sleep Health
https://www.readbyqxmd.com/read/28526203/quantitative-evaluation-of-inhibitory-effect-of-various-substances-on-anaerobic-ammonia-oxidation-anammox
#6
Tomotaka Nakamura, Yuhki Harigaya, Yuya Kimura, Megumi Kuroiwa, Yuhri Kurata, Kazuichi Isaka, Yuichi Suwa
The inhibitory effect of 20 substances of various chemical species on the anaerobic ammonia oxidation (anammox) activity of an enrichment culture, predominated by Candidatus Brocadia, was determined systematically by using a (15)N tracer technique. The initial anammox rate was determined during first 25 min with a small-scale anaerobic batch incubation supplemented with possible inhibitors. Although Cu(2+) and Mn(2+) did not inhibit anammox, the remaining 18 substances [Ni(2+), Zn(2+), Co(2+), [Formula: see text] , Fe(2+), 4 amines, ethylenediaminetetraacetic acid (EDTA), ethylenediamine-N,N'-bis (2-hydroxyphenylacetic acid) (EDDHA), citric acid, nitrilotriacetic acid (NTA), N,N-dimethylacetamide (DMA), 1,4-dioxane, dimethyl sulfoxide (DMSO), N,N-dimethylformamide (DMF) and tetrahydrofuran (THF)] were inhibitory...
May 16, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28526120/a-new-species-of-gambierdiscus-dinophyceae-from-the-south-west-pacific-gambierdiscus-honu-sp-nov
#7
Lesley Rhodes, Kirsty F Smith, Arjun Verma, Belinda G Curley, D Tim Harwood, Sam Murray, Gurjeet S Kohli, Dorothy Solomona, Teina Rongo, Rex Munday, Shauna A Murray
Two isolates of a new tropical, epiphytic dinoflagellate species, Gambierdiscus honu sp. nov., were obtained from macroalgae sampled in Rarotonga, Cook Islands, and from North Meyer Island, Kermadec Islands. Gambierdiscus honu sp. nov. had the common Gambierdiscus Kofoidian plate formula: Po, 3', 6″, 6C?, 6 or 7S, 5‴, 1p and 2⁗. The characteristic morphological features of this species were its relatively small short dorsoventral length and width and the shape of individual plates, in particular the combination of the hatchet-shaped 2' and pentagonal 3' plates and the length to width ratio of the antapical 1p plate...
May 2017: Harmful Algae
https://www.readbyqxmd.com/read/28525865/a-selective-naked-eye-chemosensor-derived-from-2-methoxybenzylamine-and-2-3-dihydroxybenzaldehyde-synthesis-spectral-characterization-and-electrochemistry-of-its-bis-bidentates-schiff-bases-metal-complexes
#8
Aggoun Djouhra, Ourari Ali, Ruiz-Rosas Ramiro, Morallon Emilia
A new colorimetric receptor HL, acting as a bidentate Schiff base ligand, has been synthesized by condensation of 2-methoxybenzylamine on 2,3-dihydroxybenzaldehyde in a methanolic solution. Interestingly, this chelating agent can selectively detect Cu(2+), Co(2+), Fe(2+) and Fe(3+) ions with a simple and an easy-to-make, well defined naked-eye visible color changes in two different solvents like acetonitrile and methanol. This bidentate ligand coordinates three metal ions of Co(II), Cu(II) and Fe(II) via nitrogen and oxygen atoms...
May 10, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28525622/dietary-therapy-with-the-crohn-s-disease-exclusion-diet-is-a-successful-strategy-for-induction-of-remission-in-children-and-adults-failing-biological-therapy
#9
Rotem Sigall Boneh, Chen Sarbagili-Shabat, Heinit Yanai, Irit Chermesh, Sivan Ben Avraham, Mona Boaz, Arie Levine
Background: Loss of response (LoR) to biologics in Crohn's disease (CD) is a significant clinical problem. Dietary therapy as a treatment strategy in this setting has not been previously reported. We report the use of dietary strategies using enteral nutrition coupled with the Crohn's Disease Exclusion Diet (CDED) for LoR to infliximab or adalimumab as a single center experience. Methods: Patients with LoR to a biologic despite dose escalation or combination therapy were treated with partial enteral nutrition (PEN) by a polymeric formula and the CDED for 12 weeks...
May 19, 2017: Journal of Crohn's & Colitis
https://www.readbyqxmd.com/read/28525318/evaluation-of-genotype-guided-acenocoumarol-dosing-algorithms-in-russian-patients
#10
Dmitriy Alexeyevich Sychev, Aleksandr Vladimirovich Rozhkov, Anna Viktorovna Ananichuk, Ruslan Evgenyevich Kazakov
BACKGROUND: Acenocoumarol dose is normally determined via step-by-step adjustment process based on International Normalized Ratio (INR) measurements. During this time, the risk of adverse reactions is especially high. Several genotype-based acenocoumarol dosing algorithms have been created to predict ideal doses at the start of anticoagulant therapy. MATERIALS AND METHODS: Nine dosing algorithms were selected through a literature search. These were evaluated using a cohort of 63 patients with atrial fibrillation receiving acenocoumarol therapy...
May 17, 2017: Drug Metabolism and Personalized Therapy
https://www.readbyqxmd.com/read/28524372/herbal-formula-baogan-yihao-bgyh-prevented-dimethylnitrosamine-dmn-induced-liver-injury-in-rats
#11
Xiujie Liu, Jing Su, Yu Shi, Ying Guo, Imran Suheryani, Shicong Zhao, Yulin Deng, Weiwei Meng, Yan Chen, Lili Sun, Rongji Dai
Preclinical Research Baogan Yihao (BGYH) is a traditional Chinese herbal medicine for the treatment of chronic liver diseases. In this study, the effects of BGYH on dimethylnitrosamine (DMN)-induced liver fibrosis were investigated using a rat model. BGYH alleviate liver damage, as indicated by decreased levels of AST, ALT, γ-GT, and AKP. BGYH also prevented collagen deposition and reduced pathological tissue injury in liver tissue. In fibrosis, high levels of α-SMA and TGF-β in liver tissue were markedly attenuated by BGYH...
May 19, 2017: Drug Development Research
https://www.readbyqxmd.com/read/28524033/-procedural-analysis-of-acid-base-balance-disorder-case-serials-in-4-patents
#12
Chunyuan Ma, Guijie Wang
OBJECTIVE: To establish the standardization process of acid-base balance analysis, analyze cases of acid-base balance disorder with the aid of acid-base balance coordinate graph. METHODS: The acid-base balance theory were reviewed systematically on recent research progress, and the important concepts, definitions, formulas, parameters, regularity and inference in the analysis of acid-base balance were studied. The analysis of acid-base balance disordered processes and steps were figured...
May 2017: Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
https://www.readbyqxmd.com/read/28523827/statistical-model-based-hplc-analytical-method-adjustment-strategy-to-adapt-to-different-sets-of-analytes-in-complicated-samples
#13
Binjun Yan, Xue Bai, Yunjie Sheng, Fanzhu Li
INTRODUCTION: On account of the complicated compositions of the products like traditional Chinese medicines (TCMs) and functional foods, it is a common practice to determine different sets of analytes in the same product for different purposes. OBJECTIVE: To efficiently develop the corresponding HPLC methods, a statistical model based analytical method adjustment (SMB-AMA) strategy was proposed. METHODS: In this strategy, the HPLC data acquired with design of experiments methodology were efficiently utilised to build the retention models for all the analytes and interferences shown in the chromatograms with multivariate statistical modelling methods...
May 19, 2017: Phytochemical Analysis: PCA
https://www.readbyqxmd.com/read/28523625/identification-of-a-novel-putative-inhibitor-of-the-plasmodium-falciparum-purine-nucleoside-phosphorylase-exploring-the-purine-salvage-pathway-to-design-new-antimalarial-drugs
#14
Luciano Porto Kagami, Gustavo Machado das Neves, Ricardo Pereira Rodrigues, Vinicius Barreto da Silva, Vera Lucia Eifler-Lima, Daniel Fábio Kawano
Malaria, a tropical parasitic disease caused by Plasmodium spp., continues to place a heavy social burden, with almost 200 million cases and more than 580,000 deaths per year. Plasmodium falciparum purine nucleoside phosphorylase (PfPNP) can be targeted for antimalarial drug design since its inhibition kills malaria parasites both in vitro and in vivo. Although the currently known inhibitors of PfPNP, immucillins, are orally available and of low toxicity to animals and humans, to the best of our knowledge, none of these compounds has entered clinical trials for the treatment of malaria...
May 18, 2017: Molecular Diversity
https://www.readbyqxmd.com/read/28523477/the-impact-of-e-visits-on-patient-access-to-primary-care
#15
Xiang Zhong, Peter Hoonakker, Philip A Bain, Albert J Musa, Jingshan Li
To improve patient access to primary care, many healthcare organizations have introduced electronic visits (e-visits) to provide patient-physician communication through secure messages. However, it remains unclear how e-visit affects physicians' operations on a daily basis and whether it would increase physicians' panel size. In this study, we consider a primary care physician who has a steady patient panel and manages patients' office and e-visits, as well as other indirect care tasks. We use queueing-based performance outcomes to evaluate the performance of care delivery...
May 18, 2017: Health Care Management Science
https://www.readbyqxmd.com/read/28523425/characterization-of-electrocorticogram-high-gamma-signal-in-response-to-varying-upper-extremity-movement-velocity
#16
Po T Wang, Colin M McCrimmon, Christine E King, Susan J Shaw, David E Millett, Hui Gong, Luis A Chui, Charles Y Liu, Zoran Nenadic, An H Do
The mechanism by which the human primary motor cortex (M1) encodes upper extremity movement kinematics is not fully understood. For example, human electrocorticogram (ECoG) signals have been shown to modulate with upper extremity movements; however, this relationship has not been explicitly characterized. To address this issue, we recorded high-density ECoG signals from patients undergoing epilepsy surgery evaluation as they performed elementary upper extremity movements while systematically varying movement speed and duration...
May 18, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28523284/enhanced-axial-and-lateral-resolution-using-stabilized-pulses
#17
Shujie Chen, Kevin J Parker
Ultrasound B-scan imaging systems operate under some well-known resolution limits. To improve resolution, the concept of stable pulses, having bounded inverse filters, was previously utilized for the lateral deconvolution. This framework has been extended to the axial direction, enabling a two-dimensional deconvolution. The modeling of the two-way response in the axial direction is discussed, and the deconvolution is performed in the in-phase quadrature data domain. Stable inverse filters are generated and applied for the deconvolution of the image data from Field II simulation, a tissue-mimicking phantom, and in vivo imaging of a carotid artery, where resolution enhancement is observed...
April 2017: Journal of Medical Imaging
https://www.readbyqxmd.com/read/28522913/gutuo-jiejiu-decoction-improves-survival-of-patients-with-severe-alcoholic-hepatitis-a-retrospective-cohort-study
#18
Hong-Yuan Mou, Hong-Ming Nie, Xiao-Yu Hu
AIM: To verify the value of Gutuo Jiejiu decoction in improving the survival of patients with severe alcoholic hepatitis (SAH). METHODS: We performed a retrospective cohort study in consecutive patients diagnosed with SAH at the Teaching Hospital of Chengdu University of Traditional Chinese Medicine and Shuguang Hospital, Shanghai University of Traditional Chinese Medicine. The traditional Chinese medicine formula Gutuo Jiejiu decoction was employed as an exposure factor...
April 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28522831/scaling-of-average-receiving-time-on-weighted-polymer-networks-with-some-topological-properties
#19
Dandan Ye, Song Liu, Jia Li, Fei Zhang, Changling Han, Wei Chen, Yingze Zhang
In this paper, a family of the weighted polymer networks is introduced depending on the number of copies f and a weight factor r. The topological properties of weighted polymer networks can be completely analytically characterized in terms of the involved parameters and/or of the fractal dimension. Moreover, assuming that the walker, at each step, starting from its current node, moves to any of its neighbors with probability proportional to the weight of edge linking them, namely weight-dependent walk. Then, we calculate the average receiving time (ART) with weighted-dependent walks, which is the sum of mean first-passage times (MFPTs) for all nodes absorpt at the trap located at the central node as a recursive relation...
May 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28522423/sertaconazole-nitrate-loaded-nanovesicular-systems-for-targeting-skin-fungal-infection-in-vitro-ex-vivo-and-in-vivo-evaluation
#20
Menna M Abdellatif, Islam A Khalil, Mahmoud A F Khalil
The aim of this study was to develop different vesicular systems for sertaconazole nitrate and evaluate the ability of targeting deep skin layers to treat dermal fungal infection. Therefore, different phospholipid based nanovesicles, namely liposomes, glycerosomes, transferosmes and ethosomes were prepared and in-vitro evaluated for morphology, entrapment efficiency, vesicle size and zeta potential value, followed by ex-vivo evaluation through skin penetration and permeation. The selected vesicular formula was incorporated into gel base system and assessed by ex-vivo permeation visualization study using confocal laser scanning microscopy (CLSM)...
May 15, 2017: International Journal of Pharmaceutics
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