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Strøm Gro Ea - - 2014
Monitoring mortality and morbidity attributable to malaria is paramount to achieve elimination of malaria. Diagnosis of malaria is challenging and PCR is a reliable method for identifying malaria with high sensitivity. However, blood specimen collection and transport can be challenging and obtaining dried blood spots (DBS) on filter paper by ...
Bedi Ravneet Kaur RK Department of Transfusion Medicine, Government Medical College and Hospital, Sector 32, Chandigarh, India. Electronic address: - - 2014
A blood request was received for 70year male patient suffering from Chronic Obstructive Pulmonary Disease with anemia. One unit was found incompatible in AHG phase. Patient's antibody screen, indirect antiglobulin test (IAT), direct antiglobulin test (DAT) and auto control was negative. DAT of donor unit was positive with anti IgG ...
Stacey Peter P 1. Analytical Sciences Unit, Health and Safety Laboratory, Harpur Hill, Buxton SK17 9JN, - - 2014
Prolonged exposure to respirable crystalline silica (RCS) causes silicosis and is also considered a cause of cancer. To meet emerging needs for precise measurements of RCS, from shorter sampling periods (<4h) and lower air concentrations, collaborative work was done to assess the differences between personal respirable samplers at higher flow ...
Williams Richard A J RA a Department of Zoology and Physical Anthropology, Faculty of Biological Sciences , Universidad Complutense de Madrid , Madrid , - - 2014
Avian poxvirus (Avipox) is widely reported from avian species causing, cutaneous or mucosal lesions. Mortality rates of up to 100% are recorded in some hosts. Three major Avipox clades are recognized. Several diagnostic techniques have been reported, with molecular techniques only used recently. Avipox has been reported from 278 different ...
Wong Derek T H DT The Labatt Family Heart Centre at the Hospital for Sick Children, Department of Paediatrics, University of Toronto, Ontario, Canada, - - 2014
Hemodynamics are usually evaluated in the supine position at rest. This is only a snapshot of an individual's daily activities. This study describes circulatory adaptation, as assessed by magnetic resonance imaging, to changes in position and exercise. Phase contrast magnetic resonance imaging of blood flow within systemic and pulmonary arteries ...
Kang Yun Gyeong YG Department of Biomedical Engineering, Inje University, Gyeongnam, - - 2014
The roles of limbal epithelial stem cells (LESCs) are widely recognized, but for these cells to be utilized in basic research and potential clinical applications, researchers must be able to efficiently isolate them and subsequently maintain their stemness in vitro. We aimed to develop a biomimetic environment for LESCs involving ...
Schramm P - - 2013
Trendelenburg positioning in combination with pneumoperitoneum during robotic-assisted prostatic surgery possibly impairs cerebrovascular autoregulation. If cerebrovascular autoregulation is disturbed, arterial hypertension might induce cerebral hyperaemia and brain oedema, while low arterial blood pressure can induce cerebral ischaemia. The time course of cerebrovascular autoregulation was investigated during use of the Trendelenburg ...
Quesnele Jairus J - - 2013
The objective of the study was to investigate the cerebrovascular hemodynamic response of cervical spine positions including rotation and cervical spine manipulation in vivo using magnetic resonance imaging technology on the vertebral artery (VA). This pilot study was conducted as a blinded examiner cohort with 4 randomized clinical tasks. Ten ...
Hardwick Jody - - 2013
A 34-year-old woman with a diagnosis of hemophagocytic lymphohistocytosis (HLH) received a double umbilical cord blood transplantation following a myeloablative chemotherapy preparative regimen with busulfan and cyclophosphamide. HLH is a rare, potentially fatal hematologic disorder characterized by the overactivation of histocytes and T lymphocytes, leading to organ infiltration and acute ...
Closhen Dorothea - - 2013
Although beach chair position (BCP) is frequently used for shoulder surgery, a potentially detrimental influence on cerebral oxygenation is discussed. Therefore, the present study investigated changes in regional cerebral oxygen saturation (rSO2/StO2) during BCP comparing 2 different devices for near-infrared spectroscopy measurement. Data were collected in 35 patients undergoing shoulder ...
Gardner Paul D - - 2013
The growing threat of an influenza pandemic presents a unique challenge to healthcare workers, emergency responders, and the civilian population. The Occupational Safety and Health Administration (OSHA) recommends National Institute for Occupational Safety and Health (NIOSH)-approved respirators to provide protection against infectious airborne viruses in various workplace settings. The filtration ...
Gianinis Heloisa H - - 2013
One of the measures of the pulmonary function is the peak expiratory flow (PEF) that can be defined as the major flow obtained in an expiratory pressure after a complete inspiration to the level of the total lung capacity. This measure depends on the effort and strength of expiratory muscles, ...
Ahlstrand Erik - - 2013
The aim was to investigate whether the detection and quantification of Staphylococcus epidermidis DNA in blood could distinguish S. epidermidis blood stream infections (BSIs) from blood culture contaminations in patients with hematological malignancies. The hld gene was chosen to identify S. epidermidis DNA and DNA in blood samples was detected ...
Fritz Ken M - - 2013
Rapid field-based protocols for classifying flow permanence of headwater streams are needed to inform timely regulatory decisions. Such an existing method was developed for and has been used in North Carolina since 1998. The method uses ordinal scoring of 26 geomorphology, hydrology, and biology attributes of streams. The attribute scores ...
Ropp Chad - - 2013
Synthetic nanostructures, such as nanoparticles and nanowires, can serve as modular building blocks for integrated nanoscale systems. We demonstrate a microfluidic approach for positioning, orienting, and assembling such nanostructures into nanoassemblies. We use flow control combined with a crosslinking photoresist to position and immobilize nanostructures in desired positions and orientations. ...
Thomas Lucy C - - 2013
BackgroundManual therapy of the cervical spine has occasionally been associated with serious adverse events involving compromise of the craniocervical arteries. Ultrasound studies have shown certain neck positions can alter craniocervical arterial blood flow velocities, however, findings are conflicting. Knowledge about the effects of neck position on blood flow may assist ...
Ates Sezen Canim - - 2013
In recent years, the role of donor blood has taken an important place in epidemiology of Leishmaniasis. According to the WHO, the numbers of patients considered as symptomatic are only 5-20% of individuals with asymptomatic leishmaniasis. In this study for detection of Leishmania infection in donor blood samples, 343 samples ...
Mirnejad Reza - - 2013
To design a duplex PCR for rapid and simultaneous detection of Brucella species. in human blood samples. Fifty-two peripheral bloods samples were collected from suspicious patients with brucellosis. Following DNA extraction, PCR assay were performed, using three primers that could simultaneously identify and differentiate three major species of pathogenic Brucella ...
Avila M - - 2013
In pipe, channel, and boundary layer flows turbulence first occurs intermittently in space and time: at moderate Reynolds numbers domains of disordered turbulent motion are separated by quiescent laminar regions. Based on direct numerical simulations of pipe flow we argue here that the spatial intermittency has its origin in a ...
Pasricha Sant-Rayn - - 2013
β-thalassemia major causes ineffective erythropoiesis and chronic anemia, and is associated with iron overload due to both transfused iron and increased iron absorption, the latter mediated by suppression of the iron-regulatory hormone hepcidin. We sought to determine whether, in β-thalassemia major, transfusion-mediated inhibition of erythropoiesis dynamically affects hepcidin. We recruited ...
Okafor Chika C - - 2013
Adapting the gamma interferon (IFNγ) assay for tuberculosis screening at points-of-concentration of cattle would improve global efforts to eradicate bovine tuberculosis. Two separate studies were conducted to evaluate if transportation of cattle, the time of blood collection, and total lymphocyte count affects the retention of a positive IFNγ assay result ...
Nonnemann Bettina - - 2013
Matrix-assisted laser desorption/ionization time of flight mass spectrometry (MALDI-TOF MS) is a promising and fast method for identifying fungi and bacteria directly from positive blood cultures. Various pre-treatment methods for MALDI-TOF MS identification have been reported for this purpose. In-house results for identification of bacterial colonies by MALDI-TOF MS using ...
Yang Wen-Jie - - 2013
The aim of this study was to evaluate the effect of the spray pattern, water flow rate, and cutting position on the cutting efficiency of high-speed dental handpieces. One- and three-port high-speed handpieces were selected. Cutting efficiency (mm/s) in different cutting positions was evaluated in vitro on machinable ceramic underwater ...
Liu Jinlong J Department of Cardiothoracic Surgery, Shanghai Children's Medical Centre, Shanghai Jiao Tong University School of Medicine, 1678 Dongfang Road, Shanghai 200127, - - 2013
Total cavopulmonary connection (TCPC), a typical kind of Fontan procedure, is commonly used in the treatment of a functional single ventricle. The palliative cardiothoracic procedure is performed by connecting the superior vena cava and the inferior vena cava to the pulmonary arteries. Due to the difficulty of direct study in ...
Razmi Gholamreza - - 2013
A molecular study was undertaken to detect Theileria ovis, Theileria lestoquardi and Theileria annulata in sheep and tick vectors. Investigation was conducted from 2010 to 2011 in the south of Khorasan Razavi Province, Iran. A total of 150 blood samples were collected from 30 different sheep flocks. In addition, ixodid ...
Tonnetti Laura - - 2012
BACKGROUND: The increasing frequency of transfusion-transmitted babesiosis represents a concern for the safety of the US blood supply. The agent responsible for the disease, the intraerythrocytic parasite Babesia microti, is naturally transmitted to humans by a tick bite and is endemic in areas of the Northeast and Upper Midwest United ...
Bandettini Peter A - - 2012
In this issue of Neuron, Goense et al. (2012) report on high-resolution, layer-specific measurements of BOLD, cerebral blood volume, and cerebral blood flow in regions of positive and negative BOLD associated with a simple visual stimulus. The findings strongly suggest that the hemodynamic mechanisms behind negative signal changes are quite different ...
de Manzano Örjan - - 2013
Flow is a subjective experience of high but effortless attention, enjoyment, and low self-awareness that can occur during the active performance of challenging tasks. The dispositional proneness to experience flow is associated with personality traits that are known to be influenced by dopaminergic neural systems. Here, for the first time, ...
Murphy Sean C - - 2012
Dried blood spots (DBS) are useful for molecular assays but are prone to false positives from cross-contamination. In our malaria DBS assay, cross-contamination was encountered despite cleaning techniques suitable for HIV-1. We therefore developed a contact-free laser cutting system that effectively eliminated cross-contamination during DBS processing.
Inaba Hiroto - - 2012
In acute myeloid leukemia (AML), initial treatment response by morphologic analysis of bone marrow predicts long-term outcome. Response can now be assessed by minimal residual disease (MRD) monitoring with flow cytometry or polymerase chain reaction (PCR). We determined the relation among the results of these approaches and their prognostic value. ...
Müller Rüdiger B - - 2012
Several patients with cryoglobulin (CG) associated symptoms are seronegative for CG and other potentially causative biomarkers. We analyzed whether it is possible to detect cryoprecipitates by flow cytometry and whether the sensitivity of their demonstration can be increased as compared to visual inspection. Sera from 91 patients with suspected CG ...
Hladik Wolfgang - - 2012
Background. Human herpesvirus 8 (HHV-8) is endemic in Uganda and transmissible by blood. We evaluated mortality following transfusion of HHV-8-antibody-positive blood.Methods. In a hospital-based observational prospective cohort study with a 6-month follow-up we examined the effect of HHV-8-antibody-positive blood on transfusion recipients surviving at least 7 days.Results. Of 1,092 recipients, 471 (43.1%) were ...
Anthonysamy Daphne - - 2012
To determine the effect of intermittent pneumatic foot and calf compression on popliteal artery mean systolic blood flow in patients with intermittent claudication. The secondary objective was to determine the change in blood flow with posture. This was a cross sectional study carried out on claudication patients at the Vascular ...
Kimura Kenichi - - 2012
Abstract Objectives: This study investigated if nitric oxide (NO) and/or prostaglandin (PG) are responsible for cutaneous vasodilation during warm moxibustion-like thermal stimulation (WMTS). Design: For two protocols, two microdialysis membranes were placed in the medial forearm skin. In the first protocol (n=8), the sites were randomly assigned and perfused with ...
Lohman Everett B EB - - 2012
Tissue healing is an intricate process that is regulated by circulation. Heat modalities have been shown to improve skin circulation. Recent research supports that passive vibration increases circulation without risk of burns. Study purpose is to compare and determine effects of short duration vibration, moist heat, and a combination of ...
Ratovoson Domoina - - 2012
BACKGROUND/AIM: To better understand the thermomechanical behavior of the skin and its direct environment, we present an experimental study using dynamic infrared thermography. This experimental study aims to highlight quantitatively some effects of blood flow on the heat diffusion. METHODS: The originality of this research was to change the blood ...
Bäumler W - - 2012
Background  Laser therapy of vascular lesions, such as port wine stains (PWS) or leg veins are still imperfect due to different diameters and depth of vessels in tissue. We propose to improve blood vessel coagulation by intravenous introduction of an exogenous chromophore (indocyanine green, ICG) that effectively converts near-infrared (NIR) ...
Zhang Siyuan - - 2012
This paper compares the efficiency of flowing polymer- and lipid-shelled microbubbles (MBs) in the heating and cavitation during focused ultrasound exposures. Temperature and cavitation activity were simultaneously measured as the two types of shelled MBs and saline flowing through a 3 mm diameter vessel in the phantom with varying flow velocities ...
Yim Jongeun - - 2012
The vascular endothelium plays an integral role in maintaining vascular homeostasis, including the regulation of blood flow, vascular tone, and platelet aggregation. The aim of this study was to see if there were any differences in endothelial function between Koreans and Caucasians. This was accomplished by 2 measures of endothelial ...
Rodríguez-Fernández D E - - 2012
Phytase production by Aspergillus niger F3 by solid state fermentation (SSF) on citrus peel was evaluated at pilot scale under different aeration conditions. The best airflow intensity was 1VkgM (Lair kgmedium(-1)min(-1)), which allowed to produce 65units of phytases per gram in dry basis (65Ug(-1)d.b.) as it removed the metabolic heat ...
Hagblad Jimmie - - 2012
The aim of this study was to evaluate an integrated probe using LDF and multiple PPG, for the long-term aspects of skin temperature and blood flow variations at different tissue depths, and especially to investigate whether the presence of the probe affects the temperature. Measurements of temperature and blood flow ...
Felts Jonathan R - - 2012
We investigate the nanometer-scale flow of molten polyethylene from a heated atomic force microscope (AFM) cantilever tip during thermal dip-pen nanolithography (tDPN). Polymer nanostructures were written for cantilever tip temperatures and substrate temperatures controlled over the range 100-260 °C and while the tip was either moving with speed 0.5-2.0 µm s(-1) or stationary ...
Bernasek Thomas L - - 2012
This study evaluated the effect of periarticular pain cocktail, platelet-rich plasma, or fibrin sealant injections on blood loss, transfusion rate, and hospital costs after total knee arthroplasty. A retrospective review of 400 patients undergoing primary total knee arthroplasty with one of the different periarticular treatments as stated above was performed. ...
Li Chunyan - - 2012
This work describes the development of a micromachined lab-on-a-tube device for simultaneous measurement of brain temperature and regional cerebral blood flow. The device consists of two micromachined gold resistance temperature detectors with a 4-wire configuration. One is used as a temperature sensor and the other as a flow sensor. The ...
Metzler-Wilson Kristen - - 2012
Local heating induces biphasic cutaneous vasodilation in non-glabrous skin of the forearm. However, little data exist in other skin regions, despite the prevalence of facial flushing disorders. We hypothesized that facial skin will have greater initial peak responses to local heating than forearm skin because of neural differences between sites ...
Zhang Siyuan - - 2012
Our previous work has investigated spatial-temporal dynamics of cavitation during focused ultrasound (FU) exposures using acoustic cavitation detection and high-speed photography. In this paper, acoustic, thermal and sonoluminescence investigation of enhanced cavitation of flowing polymer- and lipid-shelled microbubbles (MBs) during FU exposures were exposed as the two types of shelled ...
Sheinfeld Adi - - 2012
Thermal Diffusion Flowmetry (TDF) (also called Heat Clearance Method or Thermal Clearance Method) is a longstanding technique for measuring blood flow or blood perfusion in living tissues. Typically, temperature transients and/or gradients are induced in a volume of interest and the temporal and/or spatial temperature variations which follow are measured ...
Bellien Jeremy - - 2012
We sought to clarify, using functional and biological approaches, the role of epoxyeicosatrienoic acids, nitric oxide (NO)/reactive oxygen species balance, and endothelin-1 in conduit artery endothelial dysfunction during essential hypertension. Radial artery diameter and mean wall shear stress were determined in 28 untreated patients with essential hypertension and 30 normotensive ...
Loudon Catherine - - 2012
A physical model was used in a laboratory exercise to teach students about countercurrent exchange mechanisms. Countercurrent exchange is the transport of heat or chemicals between fluids moving in opposite directions separated by a permeable barrier (such as blood within adjacent blood vessels flowing in opposite directions). Greater exchange of ...
Blaise Sophie - - 2012
Objective. Prostacyclin analogues are the most effective drugs to treat sclerodermic digital ulcers, but their systemic use is limited by their frequent side effects. The authors tested whether the prostacyclin analogues treprostinil and iloprost, delivered by cutaneous iontophoresis, induce sustained vasodilatation. Methods. Twenty healthy volunteers received treprostinil by cathodal iontophoresis ...
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