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https://www.readbyqxmd.com/read/29156579/on-the-piezoelectric-detection-of-guided-ultrasonic-waves
#1
Kanji Ono
In order to quantify the wave motion of guided ultrasonic waves, the characteristics of piezoelectric detectors, or ultrasonic transducers and acoustic emission sensors, have been evaluated systematically. Such guided waves are widely used in structural health monitoring and nondestructive evaluation, but methods of calibrating piezoelectric detectors have been inadequate. This study relied on laser interferometry for the base displacement measurement of bar waves, from which eight different guided wave test set-ups are developed with known wave motion using piezoelectric transmitters...
November 18, 2017: Materials
https://www.readbyqxmd.com/read/29156313/synthesis-spectroscopic-and-td-dft-quantum-mechanical-study-of-azo-azomethine-dyes-a-laser-induced-trans-cis-trans-photoisomerization-cycle
#2
Anton Georgiev, Anton Kostadinov, Deyan Ivanov, Deyan Dimov, Simeon Stoyanov, Lian Nedelchev, Dimana Nazarova, Denitsa Yancheva
This paper describes the synthesis, spectroscopic characterization and quantum mechanical calculations of three azo-azomethine dyes. The dyes were synthesized via condensation reaction between 4-(dimethylamino)benzaldehyde and three different 4-aminobenzene azo dyes. Quantum chemical calculations on the optimized molecular geometry and electron densities of the trans (E) and cis (Z) isomers and their vibrational frequencies have been computed by using DFT/B3LYP density-functional theory with 6-311++G(d,p) basis set in vacuo...
November 7, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29155838/the-tick-biocontrol-agent-metarhizium-brunneum-m-anisopliae-strain-f52-does-not-reduce-non-target-arthropods
#3
Ilya R Fischhoff, Felicia Keesing, Richard S Ostfeld
Previous studies have found that Met52®, which contains the entomopathogenic fungus Metarhizium brunneum, is effective in reducing the abundance of Ixodes scapularis, the tick vector for the bacterium causing Lyme disease and for other tick-borne pathogens. Given widespread interest in effective, safe methods for controlling ticks, Met52 has the potential to be used at increasing scales. The non-target impacts of Met52, as applied for tick control, have not yet been assessed. A Before-After-Control-Impact experiment was conducted to assess the effects of Met52 on non-target arthropods in lawn and forest habitats typical of residential yards...
2017: PloS One
https://www.readbyqxmd.com/read/29155811/an-efficient-moments-based-inference-method-for-within-host-bacterial-infection-dynamics
#4
David J Price, Alexandre Breuzé, Richard Dybowski, Piero Mastroeni, Olivier Restif
Over the last ten years, isogenic tagging (IT) has revolutionised the study of bacterial infection dynamics in laboratory animal models. However, quantitative analysis of IT data has been hindered by the piecemeal development of relevant statistical models. The most promising approach relies on stochastic Markovian models of bacterial population dynamics within and among organs. Here we present an efficient numerical method to fit such stochastic dynamic models to in vivo experimental IT data. A common approach to statistical inference with stochastic dynamic models relies on producing large numbers of simulations, but this remains a slow and inefficient method for all but simple problems, especially when tracking bacteria in multiple locations simultaneously...
November 20, 2017: PLoS Computational Biology
https://www.readbyqxmd.com/read/29155588/determination-of-equilibrium-constant-and-relative-brightness-in-fret-fcs-by-including-the-third-order-correlations
#5
Lingyi Meng, Shanshan He, Xin Sheng Zhao
Fluorescence correlation spectroscopy (FCS) encodes the information of the equilibrium constant (K), the relative fluorescence brightness of fluorophore (Q), and the forward and backward reaction rate constants (k+ and k-) on a physical or chemical relaxation. However, it has been a long-standing problem to completely resolve the FCS data to get the thermodynamic and kinetic information. Recently, we have solved the problem for fluorescence auto-correlation spectroscopy (FACS). Here, we extend the method to fluorescence cross-correlation spectroscopy (FCCS), which appears when FCS is coupled with fluorescence resonance energy transfer (FRET)...
November 20, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/29155564/mass-spectrometry-imaging-a-review-of-emerging-advancements-and-future-insights
#6
Amanda R Buchberger, Kellen DeLaney, Jillian Johnson, Lingjun Li
Mass spectrometry imaging (MSI) is a powerful tool that enables untargeted investigations into the spatial distribution of molecular species in a variety of samples. It has the capability to image thousands of molecules, such as metabolites, lipids, peptides, proteins, and glycans, in a single experiment without labeling. The combination of information gained from mass spectrometry (MS) and visualization of spatial distributions in thin sample sections makes this a valuable chemical analysis tool useful for biological specimen characterization...
November 20, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/29155443/the-philosophy-of-practice-for-comprehensive-medication-management-evaluating-its-meaning-and-application-by-practitioners
#7
Deborah L Pestka, Lindsay A Sorge, Mary Roth McClurg, Todd D Sorensen
OBJECTIVE: Philosophy of practice is the foundation to any patient care practice as it provides a set of professional values and beliefs that guide actions and decisions in practice. Study objectives were to understand how pharmacists providing comprehensive medication management (CMM) describe their philosophy of practice and compare how participants' philosophies align with predefined tenets of a CMM philosophy of practice. METHODS: An instrument with closed and open-ended items was developed and administered online to the lead pharmacist at 36 clinics participating in a large CMM study...
November 20, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/29154932/correlation-of-virtual-reality-simulation-and-dry-lab-robotic-technical-skills
#8
Laura K Newcomb, Megan S Bradley, Tracy Truong, Michelle Tang, Bryan Comstock, Yi-Ju Li, Anthony G Visco, Nazema Y Siddiqui
STUDY OBJECTIVE: To examine whether a set of virtual reality (VR) surgical simulation drills have correlative validity when compared to the validated Robotic Objective Structured Assessment of Technical Skills (R-OSATS) dry lab drills. DESIGN: A prospective methods comparison study (Canadian Task Force II-2). SETTING: A teaching hospital. PARTICIPANTS: Thirty current residents, fellows, and faculty from the departments of OB/GYN, Urology, and General Surgery...
November 14, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/29154575/metamethod-study-of-qualitative-psychotherapy-research-on-clients-experiences-review-and-recommendations
#9
Heidi M Levitt, Andrew Pomerville, Francisco I Surace, Lauren M Grabowski
A metamethod study is a qualitative meta-analysis focused upon the methods and procedures used in a given research domain. These studies are rare in psychological research. They permit both the documentation of the informal standards within a field of research and recommendations for future work in that area. This paper presents a metamethod analysis of a substantial body of qualitative research that focused on clients' experiences in psychotherapy (109 studies). This review examined the ways that methodological integrity has been established across qualitative research methods...
November 2017: Journal of Counseling Psychology
https://www.readbyqxmd.com/read/29154294/creation-of-a-professional-network-to-improve-spina-bifida-care-argentina-case
#10
Gastón Valverde Lyons, Carol Burek, Liliana Campmani, Fernanda De Castro, Beatriz López, Cristian Sager
The purpose of this paper is to render an account of the experience of a group of healthcare providers and to propose innovative solutions for patients with Spina Bifida (SB) in Argentina. Based on our practice, patients reach specialists too late (40% already undergoing chronic kidney disease stage 1). However, several strategies were implemented in order to reverse this trend, among which were: the setting up of a professional network (via emails and Google groups), team training at different locations, videoconferences, and calling the Ministry of Health to action...
November 10, 2017: Journal of Pediatric Rehabilitation Medicine
https://www.readbyqxmd.com/read/29154196/analysis-of-potential-genotoxic-impurities-in-rabeprazole-active-pharmaceutical-ingredient-via-liquid-chromatography-tandem-mass-spectrometry-following-quality-by-design-principles-for-method-development
#11
Katerina Iliou, Anđelija Malenović, Yannis L Loukas, Yannis Dotsikas
A novel Liquid Chromatography-tandem mass spectrometry (LC-MS/MS) method is presented for the quantitative determination of two potential genotoxic impurities (PGIs) in rabeprazole active pharmaceutical ingredient (API). In order to overcome the analytical challenges in the trace analysis of PGIs, a development procedure supported by Quality-by-Design (QbD) principles was evaluated. The efficient separation between rabeprazole and the two PGIs in the shortest analysis time was set as the defined analytical target profile (ATP) and to this purpose utilization of a switching valve allowed the flow to be sent to waste when rabeprazole was eluted...
November 12, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29154169/validity-of-routine-clinical-diagnoses-in-acute-psychiatric-inpatients
#12
Eduard Zander, Lea Wyder, Martin Grosse Holtforth, Ulrich Schnyder, Urs Hepp, Niklaus Stulz
AIM: To examine the validity of diagnoses obtained by clinicians during routine clinical examination on acute psychiatric inpatient wards. METHODS: N=100 inpatients with a broad spectrum of major mental disorders were randomly selected in a mental hospital's department of general psychiatry. Patients were diagnosed by independent assessors within Md = 5 (Range: 1-18) days of admission using the SCID I in order to examine the validity of the diagnoses given by the clinical staff based on routine assessments...
November 6, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/29154143/investigation-of-various-factors-influencing-raman-spectra-interpretation-with-the-use-of-likelihood-ratio-approach
#13
Aleksandra Michalska, Agnieszka Martyna, Grzegorz Zadora
The main aim of this study was to verify whether selected analytical parameters may affect solving the comparison problem of Raman spectra with the use of the likelihood ratio (LR) approach. Firstly the LR methodologies developed for Raman spectra of blue automotive paints obtained with the use of 785nm laser source (results published by the authors previously) were implemented for good quality spectra recorded for these paints with the use of 514.5nm laser source. For LR models construction two types of variables were used i...
November 3, 2017: Forensic Science International
https://www.readbyqxmd.com/read/29153974/the-decays-of-117-cd-following-neutron-activation-of-enriched-116-cd
#14
A M Gicking, K S Krane
A new set of spectrometric data on γ ray energies and intensities in the decays of the (117g.m)Cd isomers (2.5h and 3.4h) has been accumulated. Uncertainties in the energies and intensities have been reduced by about an order of magnitude relative to previous studies. Through observation of their time dependence, several transitions are shown as incorrectly assigned in previous studies, and many new transitions were assigned to the respective decays. The placements of other transitions are shown to be doubtful based on poor energy fits...
October 5, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/29153313/what-is-the-role-of-biosimilar-g-csf-agents-in-hematopoietic-stem-cell-mobilization-at-present
#15
REVIEW
Serdal Korkmaz, Fevzi Altuntas
Mobilization of hematopoietic stem cells, which has largely replaced bone marrow harvesting as a source of hematopoietic stem cells, using recombinant agents such as filgrastim or lenograstim has become a standard procedure in both patients and healthy donors prior to peripheral blood stem cell collection for autologous and allogeneic stem cell transplantation. Published literature data suggest that mobilization with recombinant granulocyte-colony stimulating factor (G-CSF) is safe and mobilization outcomes are satisfactory...
November 8, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29153306/autologous-hematopoietic-progenitor-cell-mobilization-and-collection-in-adult-patients-presenting-with-multiple-myeloma-and-lymphoma-a-position-statement-from-the-turkish-society-of-apheresis-tsa
#16
REVIEW
Emre Tekgündüz, Mutlu Arat, Hakan Göker, Hakan Özdoğu, Leylagül Kaynar, Seçkin Çağırgan, Mehmet Ali Erkurt, Filiz Vural, İlhami Kiki, Fevzi Altuntaş, Fatih Demirkan
Autologous hematopoietic cell transplantation (AHCT) is a routinely used procedure in the treatment of adult patients presenting with multiple myeloma (MM), Hodgkin lymphoma (HL) and various subtypes of non-Hodgkin lymphoma (NHL) in upfront and relapsed/refractory settings. Successful hematopoietic progenitor cell mobilization (HPCM) and collection are the rate limiting first steps for application of AHCT. In 2015, almost 1700 AHCT procedures have been performed for MM, HL and NHL in Turkey. Although there are recently published consensus guidelines addressing critical issues regarding autologous HPCM, there is a tremendous heterogeneity in terms of mobilization strategies of transplant centers across the world...
November 10, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29153305/current-practice-of-autologous-hematopoietic-progenitor-cell-mobilization-in-adult-patients-with-multiple-myeloma-and-lymphoma-the-results-of-a-survey-from-turkish-hematology-research-and-education-group-threg
#17
REVIEW
Emre Tekgündüz, Fatih Demirkan, Filiz Vural, Hakan Göker, Hakan Özdoğu, İlhami Kiki, İsmet Aydoğdu, Leylagül Kaynar, Mehmet Ali Erkurt, Seçkin Çağırgan, Sevgi Beşışık, Simten Dağdaş, Ebru Koca, Gürhan Kadıköylü, Eren Gündüz, Mehmet Yılmaz, Hüseyin Beköz, Ali Uğur Ural, Abdülkadir Baştürk, Mutlu Arat, Murat Albayrak, Erman Öztürk, Alev Akyol, Ali Zahit Bolaman, Oral Nevruz, Hasan Atilla Özkan, Gökhan Özgür, Fevzi Altuntaş
Autologous hematopoietic cell transplantation (AHCT) is an established treatment option for adult patients presenting with multiple myeloma (MM), Hodgkin lymphoma (HL) and various subtypes of non-Hodgkin lymphoma (NHL) in upfront and/or relapsed/refractory disease settings. Although there are recently published consensus guidelines addressing critical issues regarding autologous hematopoietic progenitor cell mobilization (HPCM), mobilization strategies of transplant centers show high variability in terms of routine practice...
November 9, 2017: Transfusion and Apheresis Science
https://www.readbyqxmd.com/read/29152567/scanning-wave-photopolymerization-enables-dye-free-alignment-patterning-of-liquid-crystals
#18
Kyohei Hisano, Miho Aizawa, Masaki Ishizu, Yosuke Kurata, Wataru Nakano, Norihisa Akamatsu, Christopher J Barrett, Atsushi Shishido
Hierarchical control of two-dimensional (2D) molecular alignment patterns over large areas is essential for designing high-functional organic materials and devices. However, even by the most powerful current methods, dye molecules that discolor and destabilize the materials need to be doped in, complicating the process. We present a dye-free alignment patterning technique, based on a scanning wave photopolymerization (SWaP) concept, that achieves a spatial light-triggered mass flow to direct molecular order using scanning light to propagate the wavefront...
November 2017: Science Advances
https://www.readbyqxmd.com/read/29152476/early-recovery-pathway-for-hepatectomy-data-driven-liver-resection-care-and-recovery
#19
REVIEW
Susanne G Warner, Zeljka Jutric, Liana Nisimova, Yuman Fong
In recent years, great progress has been made toward safer hepatobiliary surgical interventions. This has resulted in more widely available treatments for patients who in the past were ineligible for curative resection of primary liver tumors, liver metastases, and advanced biliary tumors. However, the rise in procedures has seen increasingly heterogeneous perioperative management, yielding strikingly disparate outcomes. A number of groups have attempted to standardize perioperative care in an effort to create enhanced recovery pathways (ERPs) and provide clinicians with a dependable roadmap to success following hepatectomy...
October 2017: Hepatobiliary Surgery and Nutrition
https://www.readbyqxmd.com/read/29152191/the-effect-of-temperature-on-male-mating-signals-and-female-choice-in-the-red-mason-bee-osmia-bicornis-l
#20
Taina Conrad, Carina Stöcker, Manfred Ayasse
Climate change and the resulting changes in air temperature are known to have a major influence on most animals, especially poikilothermic insects, because they depend on the high enough temperatures to function. Previous studies have shown that various signals can be affected by changes in temperature. However, research into the effect of temperature on mating signals and subsequently communication between mates and on female choice is still rare. In the red mason bee, Osmia bicornis, which emerges early in spring and is therefore subject to extensive temperature changes, females choose suitable males based on, among other criteria, their thorax vibrations and odor...
November 2017: Ecology and Evolution
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