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https://www.readbyqxmd.com/read/29244753/identification-of-a-multicomponent-traditional-herbal-medicine-by-hplc-ms-and-electron-and-light-microscopy
#1
Ju-Han Liu, Yung-Yi Cheng, Chen-Hsi Hsieh, Tung-Hu Tsai
BACKGROUND: Commercial pharmaceutical herbal products have enabled people to take traditional Chinese medicine (TCM) in a convenient and accessible form. However, the quantity and quality should be additionally inspected. To address the issue, a combination of chemical and physical inspection methods were developed to evaluate the amount of an herbal formula, Xiang-Sha-Liu-Jun-Zi-Tang (XSLJZT), in clinical TCM practice. METHODS: A high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS) method with electrospray ionization was developed to measure the herbal biomarkers of guanosine, atractylenolide III, glycyrrhizic acid, dehydrocostus lactone, hesperidin, and oleanolic acid from XSLJZT...
December 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29244607/a-survey-of-risk-factors-for-digit-injuries-among-dogs-training-and-competing-in-agility-events
#2
Debra C Sellon, Katherine Martucci, John R Wenz, Denis J Marcellin-Little, Michelle Powers, Kimberley L Cullen
OBJECTIVE To identify potential risk factors for digit injuries in dogs training and competing in agility events. DESIGN Internet-based, retrospective, cross-sectional survey. ANIMALS 1,081 dogs training or competing in agility events. PROCEDURES Data were collected for eligible animals via retrospective surveys distributed electronically to handlers of dogs participating in agility-related activities. Variables evaluated included demographic (handlers) and signalment (dogs) information, physical characteristics of dogs, and injury characteristics...
January 1, 2018: Journal of the American Veterinary Medical Association
https://www.readbyqxmd.com/read/29243916/the-effective-cathode-design-of-three-layered-configuration-for-high-energy-li-s-batteries
#3
Si-Yu Liu, Chao-Ying Fan, Yan-Hong Shi, Han-Chi Wang, Xing-Long Wu, Jingping Zhang
Three-layered cathode structure was designed to minimize the shuttle effect of PSs and improve active material utilization. The three-layered configuration was fabricated by direct dropping pure sulfur composite slurry into the multifunctional dual barrier layers consisting of self-standing TiO2/C interlayer and very thin acetylene black layer (0.35 mg cm-2). In consequence, the decent discharge capacity of 963 mAh g-1 was acquired after 100 cycles at 0.1 C. With cycling at 0.1, 0.2, 0.5, 1 and 2 C, the cells displayed excellent reversible capacities of 1203, 1145, 1035, 934 and 820 mAh g-1, respectively...
December 15, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29243258/the-diagnostic-pathway-of-oropharyngeal-squamous-cell-carcinoma-in-a-large-u-s-healthcare-system
#4
Jason Gilde, Brian Song, Farzad Masroor, Jeanne A Darbinian, Miranda L Ritterman Weintraub, James Salazar, Eleanor Yang, Deepak Gurushanthaiah, Kevin H Wang
OBJECTIVE: To examine the current diagnostic pathway of oropharyngeal squamous cell carcinoma (OPSCC) and identify factors associated with time to diagnosis. METHODS: Retrospective cohort study of patients with OPSCC in an integrated healthcare system from January 1, 2013, to December 31, 2013. Patient demographics, tobacco and alcohol use, chief complaint, tumor stage, human papilloma virus (HPV) status, physician factors (diagnosis, antibiotic prescription, performance of endoscopic exam, biopsy), and time intervals were examined...
December 15, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29241920/learning-curve-in-concurrent-application-of-laparoscopic-and-robotic-assisted-hysterectomy-with-lymphadenectomy-in-endometrial%C3%A2-cancer
#5
Pao-Ling Torng, Song-Po Pan, Jing-Shiang Hwang, Ho-Jun Shih, Chi-Ling Chen
OBJECTIVE: To evaluate the concurrent interaction of laparoscopic and robotic-assisted surgery in the initial learning period of endometrial cancer staging. MATERIALS AND METHODS: A retrospective cohort study was performed for the first 44 consecutive patients with endometrial cancer underwent laparoscopic (LSS) or robotic-assisted staging surgery (RSS) from February 2012 to October 2015 by a single surgeon in a tertiary care referral hospital. Demographics, diagnosis, perioperative variables, and complications were recorded...
December 2017: Taiwanese Journal of Obstetrics & Gynecology
https://www.readbyqxmd.com/read/29241086/practical-aspects-of-the-automated-preparation-of-aqueous-two-phase-systems-for-the-analysis-of-biological-macromolecules
#6
Rana Hameed, Jonathan Huddleston, Svetlana Ignatova
A robust strategy for the automated preparation of aqueous two-phase systems (ATPS) using a liquid handling sample processor was developed using gravimetric methods: to determine the accuracy of preparation. The major robotic control parameters requiring adjustment were; speed of aspiration and dispense; delay times following aspiration and dispense alongside measures to control cross-contamination during phase sampling. In general mixture compositions of both polymer/polymer and polymer/salt mixtures could be prepared with a target bias accuracy of less than 5%...
October 3, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/29240341/finland-establishing-the-internet-of-genomics-and-health-data
#7
Aarno Palotie, Samuli Ripatti
Genomic data, i.e. measurement of variation in the complete genome has revolutionized genetic research and changed our understanding of the pathogenetic mechanisms of diseases. Genomic data in combination with Finnish special strengths - population history, the nation's comprehensive health records and a strong research tradition in genetic epidemiology - has made Finland a testing laboratory for diseases of public health importance. At the same time, genomic research has changed into statistical evaluation of large masses of data - big data...
2017: Duodecim; Lääketieteellinen Aikakauskirja
https://www.readbyqxmd.com/read/29239990/changes-in-player-activity-profiles-following-the-2015-fih-rule-changes-in-elite-women-s-hockey
#8
Gerard E McMahon, Rodney A Kennedy
The aim of this study was to compare the player activity profiles of elite international women hockey players pre (2014) and post (2015) the 2015 FIH match rule changes at team and positional levels. The match activity profiles (n=400) of 19 female hockey players (Age 23±4 years, mass 63.6±5.5 kg, VO2max 57±6 ml·kg·min in 2014, 58±6 ml·kg·min in 2015) were recorded during competitive international matches in 2014 (match n=12) and 2015 (match n=13) using 10Hz GPS units. The practical utility of an effect was only classified as substantial when there was a >75% likelihood that the ±90% CI of the ES was equal to or greater than the small (ES ± 0...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29239986/practical-model-of-low-volume-paddling-based-sprint-interval-training-improves-aerobic-and-anaerobic-performances-in-professional-female-canoe-polo-athletes
#9
Mohsen Sheykhlouvand, Erfan Khalili, Mohammadali Gharaat, Hamid Arazi, Mousa Khalafi, Bahman Tarverdizadeh
Brief, intense exercise training employing running and cycling as exercise interventions may induce aerobic and anaerobic adaptations in athletes from wide range of sports. However, this has not been studied extensively for those sports in which the upper-body is predominantly involved. Our purpose was to examine the effects of kayak paddling-based sprint interval training (SIT) on cardiorespiratory fitness and anaerobic performance. 16 professional female canoe polo athletes (age = 27.6 ± 1.9 years; height = 165...
December 11, 2017: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/29239690/antibody-drug-conjugates-design-and-development-for-therapy-and-imaging-in-and-beyond-cancer-labex-mabimprove-industrial-workshop-july-27-28-2017-tours-france
#10
Camille Martin, Claire Kizlik-Masson, André Pèlegrin, Hervé Watier, Marie-Claude Viaud-Massuard, Nicolas Joubert
The annual "Antibody Industrial Symposium", co organized by LabEx MAbImprove, MabDesign and Polepharma, was held in Tours, France on June 27-28, 2017. The focus was on antibody-drug-conjugates (ADCs), new entities which realize the hope of Paul Ehrlich's magic bullet. ADCs result from the bioconjugation of a highly cytotoxic drug to a selective monoclonal antibody, which acts as a vector. Building on knowledge gained during the development of three approved ADCs, brentuximab vedotin (Adcetris®), ado trastuzumab emtansine (Kadcyla®) and inotuzumab ozogamicin (Besponsa®), and the many ADCs in development, this meeting addressed strategies and the latest innovations in the field from fundamental research to manufacturing...
December 14, 2017: MAbs
https://www.readbyqxmd.com/read/29239459/ischemic-left-ventricle-systolic-dysfunction-an-evidence-based-approach-in-diagnostic-tools-and-therapeutics
#11
Eduardo Gomes Lima, Felipe Pereira Câmara de Carvalho, Jaime Paula Pessoa Linhares Filho, Fabio Grunspun Pitta, Carlos Vicente Serrano
Coronary artery disease (CAD) associated with left ventricular systolic dysfunction is a condition related to poor prognosis. There is a lack of robust evidence in many aspects related to this condition, from definition to treatment. Ischemic cardiomyopathy is a spectrum ranging from stunned myocardium associated with myocardial fibrosis to hibernating myocardium and repetitive episodes of ischemia. In clinical practice, relevance lies in identifying the myocardium that has the ability to recover its contractile reserve after revascularization...
September 2017: Revista da Associação Médica Brasileira
https://www.readbyqxmd.com/read/29239408/qcm-nanomagnetic-beads-biosensor-for-lead-ion-detection
#12
Qingli Zhang, Haixia Cui, Xingliang Xiong, Jun Chen, Ying Wang, Jia Shen, Yiting Luo, Longcong Chen
As lead poses a serious threat to humans even in small amounts, all kinds of lead detection sensors with high sensitivity and selectivity are being constantly improved and put forward. In this report, a novel, simple and label-free quartz crystal microbalance (QCM) biosensor is proposed for detecting lead ions (Pb2+). The biosensor takes full advantage of the high specificity of GR-5 DNAzyme to Pb2+ and the high sensitivity of QCM. In particular, nanomagnetic beads (NMBs) are used as a novel and effective mean of signal amplification in the biosensor because of their mass and their ability to enhance the inductive effect, which are very beneficial for both higher sensitivity and a lower detection limit...
December 14, 2017: Analyst
https://www.readbyqxmd.com/read/29235876/suppressing-polysulfide-dissolution-via-cohesive-forces-by-interwoven-carbon-nanofibers-for-high-areal-capacity-lithium-sulfur-batteries
#13
Jong Hyuk Yun, Joo-Hyung Kim, Do Kyung Kim, Hyun-Wook Lee
Nanostructural design renders several breakthroughs for the construction of high-performance materials and devices, including energy-storage systems. Although attempts made toward electrode engineering have improved the existing drawbacks, nanoengineering is still hindered by some issues. To achieve practical applications of lithium-sulfur (Li-S) batteries, it is difficult to attain a high areal capacity with stable cycling. Physical encapsulation via nanostructural design not only can resolve the issue of lithium polysulfide dissolution during the electrochemical cycling but also can offer significant contact resistance, which in turn can decrease the kinetics, particularly at a high sulfur loading...
December 13, 2017: Nano Letters
https://www.readbyqxmd.com/read/29235212/high-performance-as-cast-nonfullerene-polymer-solar-cells-with-thicker-active-layer-and-large-area-exceeding-11-power-conversion-efficiency
#14
Qunping Fan, Yan Wang, Maojie Zhang, Bo Wu, Xia Guo, Yufeng Jiang, Wanbin Li, Bing Guo, Chennan Ye, Wenyan Su, Jin Fang, Xuemei Ou, Feng Liu, Zhixiang Wei, Tze Chien Sum, Thomas P Russell, Yongfang Li
In this work, a nonfullerene polymer solar cell (PSC) based on a wide bandgap polymer donor PM6 containing fluorinated thienyl benzodithiophene (BDT-2F) unit and a narrow bandgap small molecule acceptor 2,2'-((2Z,2'Z)-((4,4,9,9-tetrahexyl-4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene-2,7-diyl)bis(methanylylidene))bis(3-oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile (IDIC) is developed. In addition to matched energy levels and complementary absorption spectrum with IDIC, PM6 possesses high crystallinity and strong π-π stacking alignment, which are favorable to charge carrier transport and hence suppress recombination in devices...
December 13, 2017: Advanced Materials
https://www.readbyqxmd.com/read/29233318/a-course-for-developing-interprofessional-skills-in-pre-professional-honor-students-using-humanities-and-media
#15
Therese I Poirier, Connie Stamper-Carr, Kate Newman
BACKGROUND AND PURPOSE: To design and implement an undergraduate honors course for pre-health professional students that develops interpersonal skills through use of a variety of humanities. EDUCATIONAL ACTIVITY AND SETTING: A three credit hour course in an honors seminar sequence was developed by pharmacy practice faculty and with input from faculty in mass communications, philosophy, applied communication studies and history. The course utilized a variety of media such as literature, film, and podcasts to foster student discussion about a variety of health-related topics...
September 2017: Currents in Pharmacy Teaching & Learning
https://www.readbyqxmd.com/read/29233083/bootstrap-based-procedures-for-inference-in-nonparametric-receiver-operating-characteristic-curve-regression-analysis
#16
María Xosé Rodríguez-Álvarez, Javier Roca-Pardiñas, Carmen Cadarso-Suárez, Pablo G Tahoces
Prior to using a diagnostic test in a routine clinical setting, the rigorous evaluation of its diagnostic accuracy is essential. The receiver-operating characteristic curve is the measure of accuracy most widely used for continuous diagnostic tests. However, the possible impact of extra information about the patient (or even the environment) on diagnostic accuracy also needs to be assessed. In this paper, we focus on an estimator for the covariate-specific receiver-operating characteristic curve based on direct regression modelling and nonparametric smoothing techniques...
January 1, 2017: Statistical Methods in Medical Research
https://www.readbyqxmd.com/read/29232263/can-the-critically-ill-patient-generate-sufficient-energy-to-facilitate-exercise-in-the-icu
#17
Danielle E Bear, Selina M Parry, Zudin A Puthucheary
PURPOSE OF REVIEW: Trials of physical rehabilitation post critical illness have yet to deliver improved health-related quality of life in critical illness survivors. Muscle mass and strength are lost rapidly in critical illness and a proportion of patients continue to do so resulting in increased mortality and functional disability. Addressing this issue is therefore fundamental for recovery from critical illness. RECENT FINDINGS: Altered mitochondrial function occurs in the critically ill and is likely to result in decreased adenosine tri-phosphate (ATP) production...
December 9, 2017: Current Opinion in Clinical Nutrition and Metabolic Care
https://www.readbyqxmd.com/read/29231141/an-overview-on-the-importance-of-combining-complementary-analytical-platforms-in-metabolomic-research
#18
Alvaro Gonzalez-Dominguez, Enrique Duran-Guerrero, Angeles Fernandez-Recamales, Alfonso Maria Lechuga-Sancho, Ana Sayago, Monica Schwarz, Carmen Segundo, Raul Gonzalez-Dominguez
The analytical bias introduced by most of the commonly used techniques in metabolomics considerably hinders the simultaneous detection of all metabolites present in complex biological samples. In order to solve this limitation, the combination of complementary approaches is emerging in recent years as the most suitable strategy in order to maximize metabolite coverage. This review article presents a general overview of the most important analytical techniques usually employed in metabolomics: nuclear magnetic resonance, mass spectrometry and hybrid approaches...
December 11, 2017: Current Topics in Medicinal Chemistry
https://www.readbyqxmd.com/read/29231020/-determination-of-sulfide-ion-in-blood-from-hydrogen-sulfide-poisoning-cases
#19
H S Qiang, H Chen, B H Shen, M Shen, P Xiang
OBJECTIVES: To establish a gas chromatography-mass spectrometry (GC-MS) method for the determination of sulfide ion in blood and apply it to the practical cases. METHODS: The 1, 3, 5-tribromobenzene was selected as an internal standard, and 0.2 mL blood sample was collected and analyzed using GC-MS after α-Bromo-2, 3, 4, 5, 6-pentafluorobenzyl bromide derivatization. RESULTS: The mass concentration of sulfide ion in blood had good linearity in the range of 0...
April 2017: Fa Yi Xue za Zhi
https://www.readbyqxmd.com/read/29230939/normative-values-and-factors-affecting-water-perfused-esophageal-high-resolution-impedance-manometry-for-a-chinese-population
#20
P-H Tseng, R K M Wong, J-F Wu, C-C Chen, C-H Tu, Y-C Lee, H-C Lee, H-P Wang, M-S Wu
BACKGROUND: Combined esophageal high-resolution impedance manometry (HRIM) measures multiple pressures and bolus transit simultaneously, facilitating detailed assessment of esophageal motility. Currently, normative values for water-perfused HRIM systems for Chinese populations are lacking. METHODS: Healthy volunteers were enrolled for comprehensive anthropometric measures, blood biochemistry tests, and an HRIM study using 22 water-perfused pressure sensors and 12 impedance channels...
December 12, 2017: Neurogastroenterology and Motility: the Official Journal of the European Gastrointestinal Motility Society
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