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https://www.readbyqxmd.com/read/28179703/evaluation-of-five-discriminating-indexes-to-distinguish-beta-thalassemia-trait-from-iron-deficiency-anaemia
#1
Zahid Ullah, Aamer Ali Khattak, Sara Arif Ali, Javaid Hussain, Badshah Noor, Raheela Bano, Muhammad Amin Jan Mahsud
OBJECTIVE: To assess the reliability of different red blood cell indices-based formulae in the indexes formula in differential diagnosis of beta thalassemia trait and iron deficiency anaemia. METHODS: This cross-sectional study was conducted between January and October 2015 in Dera Ismail Khan in the Khyber Pakhtunkhwa province of Pakistan. Patients of beta thalassemia trait and iron deficiency anaemia were registered irrespective of age and gender. About 5 mL of blood was taken from each patient to analyse different red cell parameters like red blood cell count, haemoglobin, mean cell volume, mean cell haemoglobin, mean cell haemoglobin concentration, and red cell distribution width...
December 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28168364/effects-of-aging-on-formula-see-text-formula-see-text-and-qsm-mri-values-in-the-subcortex
#2
M C Keuken, P-L Bazin, K Backhouse, S Beekhuizen, L Himmer, A Kandola, J J Lafeber, L Prochazkova, A Trutti, A Schäfer, R Turner, B U Forstmann
The aging brain undergoes several anatomical changes that can be measured with Magnetic Resonance Imaging (MRI). Early studies using lower field strengths have assessed changes in tissue properties mainly qualitatively, using [Formula: see text]- or [Formula: see text]- weighted images to provide image contrast. With the development of higher field strengths (7 T and above) and more advanced MRI contrasts, quantitative measures can be acquired even of small subcortical structures. This study investigates volumetric, spatial, and quantitative MRI parameter changes associated with healthy aging in a range of subcortical nuclei, including the basal ganglia, red nucleus, and the periaqueductal grey...
February 6, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28130679/in-vivo-investigation-of-ear-canal-pulse-oximetry-during-hypothermia
#3
K Budidha, P A Kyriacou
Pulse oximeters rely on the technique of photoplethysmography (PPG) to estimate arterial oxygen saturation (SpO[Formula: see text]). In conditions of poor peripheral perfusion such as hypotension, hypothermia, and vasoconstriction, the PPG signals detected are often weak and noisy, or in some cases unobtainable. Hence, pulse oximeters produce erroneous SpO[Formula: see text] readings in these circumstances. The problem arises as most commercial pulse oximeter probes are designed to be attached to peripheral sites such as the finger or toe, which are easily affected by vasoconstriction...
January 27, 2017: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/28128086/vesicular-contact-reaction-may-progress-into-erythema-multiforme
#4
Magdalena Czarnecka-Operacz, Dorota Jenerowicz, Joanna Szulczyńska-Gabor, Ewa Teresiak-Mikołajczak, Joanna Szyfter-Harris, Monika Bowszyc-Dmochowska
Dear Editor, Erythema multiforme is considered an acute skin condition, characterized by a self-limiting and sometimes recurrent course. It is regarded as a type IV hypersensitivity reaction associated with certain infections, medications, and other various triggers. Allergic contact dermatitis is in turn a delayed type of induced allergy as a result of cutaneous contact with a specific allergen to which the patient develops specific sensitivity. This type of cutaneous reaction is associated with inflammation manifesting with erythema, edema, and vesicles...
December 2016: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28123325/metabolite-profiles-of-ginsenosides-rk1-and-rg5-in-zebrafish-using-ultraperformance-liquid-chromatography-quadrupole-time-of-flight-ms
#5
Wenwen Shen, Yingjie Wei, Daoquan Tang, Xiaobin Jia, Bin Chen
BACKGROUND: In the present study, metabolite profiles of ginsenosides Rk1 and Rg5 from red ginseng or red notoginseng in zebrafish were qualitatively analyzed with ultraperformance liquid chromatography/quadrupole-time-of-flight MS, and the possible metabolic were pathways proposed. METHODS: After exposing to zebrafish for 24 h, we determined the metabolites of ginsenosides Rk1 and Rg5. The chromatography was accomplished on UPLC BEH C18 column using a binary gradient elution of 0...
January 2017: Journal of Ginseng Research
https://www.readbyqxmd.com/read/28119134/erythropoietin-as-a-performance-enhancing-drug-its-mechanistic-basis-detection-and-potential-adverse-effects
#6
Olivier Salamin, Tiia Kuuranne, Martial Saugy, Nicolas Leuenberger
Erythropoietin (EPO) is the main hormone regulating red blood cell (RBC) production. The large-scale production of a recombinant human erythropoietin (rHuEPO) by biotechnological methods has made possible its widespread therapeutic use as well as its misuse in sports. Since the marketing of the first epoetin in 1989, the development has progressed to the third-generation analogs. However, the production of rHuEPO is costly, and the frequent administration of an injectable formula is not optimal for compliance of therapeutic patients...
January 21, 2017: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28078493/false-positive-newborn-screen-using-the-beutler-spot-assay-for-galactosemia-in-glucose-6-phosphate-dehydrogenase-deficiency
#7
Grace Stuhrman, Stefanie J Perez Juanazo, Kea Crivelly, Jennifer Smith, Hans Andersson, Eva Morava
Classical galactosemia is detected through newborn screening by measuring galactose-1-phosphate uridylyltransferase (GALT) in the USA primarily via the Beutler spot assay. We report on an 18-month-old patient with glucose-6-phosphate dehydrogenase (G6PD) deficiency that was originally diagnosed with classical galactosemia. The patient presented with elevated liver function enzymes and bilirubinemia and was immediately treated with soy-based formula. Confirmatory tests revealed deficiency of the GALT enzyme, however, full-sequencing of GALT was normal, suggestive of a different ideology...
January 12, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28077330/dehydropachymic-acid-decreases-bafilomycin-a1-induced-%C3%AE-amyloid-accumulation-in-pc12-cells
#8
Mengyao Yu, Xiaoyan Xu, Nan Jiang, Wei Wei, Fang Li, Liming He, Xia Luo
ETHNOPHARMACOLOGICAL RELEVANCE: Fuling, the sclerotium of Poria cocos, was frequently used in traditional Chinese medicine (TCM) formulae for Alzheimer's disease (AD) intervention over the past 10 centuries. And its extracts exhibited significant effects in both cellular and animal models of AD in previous studies. However, its mechanisms on prevention and treatment of AD have not been well elucidated yet. AIM OF THE STUDY: To investigate the effect and corresponding mechanisms of dehydropachymic acid, which is one of the major triterpenes in Poria cocos, on the clearance of β-Amyloid accumulation in bafilomycin A1 induced PC12 cells...
January 7, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27959437/traditional-medicine-sobokchukeo%C3%A2-tang-modulates-the-inflammatory-response-in-adipocytes-and-macrophages
#9
Hoyoung Lee, Eun Hyoung Shim, Myeong Soo Lee, Chang-Seon Myung
Sobokchukeo-Tang (ST) is a well-known formula that is used for treating primary dysmenorrhea caused by blood stasis syndrome (BSS) in Korea and China. The current study investigated the anti‑inflammatory and anti‑adipogenesis effects of ST on adipocytes and macrophages. The anti‑inflammatory efficacy of ST was evaluated in RAW 264.7 cells and differentiated THP‑1 cells. To induce inflammation, the cells were treated with lipopolysaccharide (LPS; 1 µg/ml). Following the induction of inflammation, the levels of proinflammatory cytokines, interleukin‑6 (IL‑6) and tumor necrosis factor‑α (TNF‑α) in the cell supernatant were detected using enzyme‑linked immunosorbent assay...
January 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/27924786/evolution-of-a-high-local-strain-in-rolling-up-mos2-sheets-decorated-with-ag-and-au-nanoparticles-for-surface-enhanced-raman-scattering
#10
Da Young Hwang, Dong Hack Suh
We report that a high local strain was obtained for multilayer MoS2 nanoscrolls decorated with noble nanoparticles (Ag and Au NPs) using a rolling process beyond breaking or slipping of MoS2. The local strain was estimated through the bending strain in the nanoscrolls and the extent of coverage of Ag and Au NPs decorated on MoS2, exhibiting magnified surface-enhanced Raman scattering. TEM images showed that the MoS2-Ag and MoS2-Au nanoscrolls have a tube-like morphology decorated with NPs on the inner and outer sides of the MoS2 nanoscrolls...
January 13, 2017: Nanotechnology
https://www.readbyqxmd.com/read/27921069/reaching-200-ps-timing-resolution-in-a-time-of-flight-and-depth-of-interaction-positron-emission-tomography-detector-using-phosphor-coated-crystals-and-high-density-silicon-photomultipliers
#11
Sun Il Kwon, Alessandro Ferri, Alberto Gola, Eric Berg, Claudio Piemonte, Simon R Cherry, Emilie Roncali
Current research in the field of positron emission tomography (PET) focuses on improving the sensitivity of the scanner with thicker detectors, extended axial field-of-view, and time-of-flight (TOF) capability. These create the need for depth-of-interaction (DOI) encoding to correct parallax errors. We have proposed a method to encode DOI using phosphor-coated crystals. Our initial work using photomultiplier tubes (PMTs) demonstrated the possibilities of the proposed method, however, a major limitation of PMTs for this application is poor quantum efficiency in yellow light, corresponding to the wavelengths of the converted light by the phosphor coating...
October 2016: Journal of Medical Imaging
https://www.readbyqxmd.com/read/27914519/growth-and-tolerance-of-infants-fed-formula-with-a-new-algal-source-of-docosahexaenoic-acid-double-blind-randomized-controlled-trial
#12
Michael Yeiser, Cheryl L Harris, Ashlee L Kirchoff, Ashley C Patterson, Jennifer L Wampler, Edward N Zissman, Carol Lynn Berseth
Docosahexaenoic acid (DHA) in infant formula at concentrations based on worldwide human milk has resulted in circulating red blood cell (RBC) lipids related to visual and cognitive development. In this study, infants received study formula (17mg DHA/100kcal) with a commercially-available (Control: n=140; DHASCO®) or alternative (DHASCO®-B: n=127) DHA single cell oil from 14 to 120 days of age. No significant group differences were detected for growth rates by gender through 120 days of age. Blood fatty acids at 120 days of age were assessed by capillary column gas chromatography in a participant subset (Control: n=34; DHASCO-B: n=27)...
December 2016: Prostaglandins, Leukotrienes, and Essential Fatty Acids
https://www.readbyqxmd.com/read/27862446/fine-tuning-the-fluorescence-gain-of-fret-type-bodipy-bodipy-nhc-iridium-complexes-for-co-detection-with-a-large-virtual-stokes-shift
#13
Oliver Halter, Israel Fernández, Herbert Plenio
Complexes of the general formula [IrCl(cod)(bdp-NHC-bdp')] and [IrCl(cod)(bdp-NHC)] (bdp=bodipy=4,4-difluoro-4-bora-3a,4a-diaza-s-indacene, cod=1,5-cyclooctadiene) were synthesized. The substitution reaction of cod with two molecules of CO converts weakly fluorescent into strongly fluorescent complexes [IrCl(CO)2 (bdp-NHC-bdp')] and [IrCl(CO)2 (bdp-NHC)]. Bdp and bdp" form a fluorescence resonance energy transfer (FRET) pair and the excitation of bdp leads to a strong emission from bdp" with a virtual Stokes shift of 98 nm...
November 8, 2016: Chemistry: a European Journal
https://www.readbyqxmd.com/read/27852129/changes-in-the-ginsenoside-content-during-fermentation-using-an-appliance-for-the-preparation-of-red-ginseng
#14
So Jin Lee, Na Ha, Yunjeong Kim, Min-Gul Kim
The total amount of ginsenoside in fermented red ginseng (FRG) is increased by microbial fermentation. The aim of this study was to evaluate whether fermentation time and temperature affect the ginsenoside content during fermentation using an appliance for the preparation of red ginseng. The FRG and fermented red ginseng extracts (FRG-e) were prepared using an appliance for the preparation of red ginseng. The temperature was recorded and time points for sampling were scheduled at pre-fermentation (0[Formula: see text]h) and 18, 36, 48, 60 and 72[Formula: see text]h after the addition of the microbial strains...
2016: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/27785521/-the-cost-estimator-in-the-traumaregister-dgu
#15
R Lefering, L Mahlke, D Franz
BACKGROUND AND OBJECTIVES: Estimated treatment costs of severely injured patients were often added to registry-based analyses. In the past, the TraumaRegister DGU® used a modular cost estimator for this purpose. A recent research project initiated by the German Trauma Society (DGU) evaluated the reimbursement of severely injured patients in the German DRG system. This project also allowed the generation of an improved update of the registry's cost estimator. METHODS: Detailed cost data for the acute therapy of severely injured patients were available from 10 hospitals that also participate in the TraumaRegister DGU®...
October 26, 2016: Der Unfallchirurg
https://www.readbyqxmd.com/read/27776430/baicalein-promotes-angiogenesis-and-odontoblastic-differentiation-via-the-bmp-and-wnt-pathways-in-human-dental-pulp-cells
#16
Sang-Im Lee, Sun-Young Kim, Kyung-Ran Park, Eun-Cheol Kim
Baicalein is an active flavonoid extracted from the root of Scutellaria baicalensis that has anticancer and anti-inflammatory properties; its effects on osteoblastic and angiogenic potential are controversial. The aim of this study was to investigate the effects of baicalein on odontoblastic differentiation and angiogenesis and the underlying mechanism in human dental pulp cells (HDPCs). Baicalein (1-10[Formula: see text][Formula: see text]M) had no cytotoxic effects and promoted alkaline phosphatase (ALP) activity, mineralization assayed by Alizarin Red-S staining, and the mRNA expression of marker genes, in a concentration-dependent manner...
2016: American Journal of Chinese Medicine
https://www.readbyqxmd.com/read/27764134/calcium-sensitive-fluorescent-dyes-fluo-4-and-fura-red-under-pressure-behaviour-of-fluorescence-and-buffer-properties-under-hydrostatic-pressures-up-to-200-mpa
#17
D Schneidereit, H Vass, B Reischl, R J Allen, O Friedrich
The fluorescent Ca2+ sensitive dyes Fura Red (ratiometric) and Fluo-4 (non-ratiometric) are widely utilized for the optical assessment of Ca2+ fluctuations in vitro as well as in situ. The fluorescent behavior of these dyes is strongly depends on temperature, pH, ionic strength and pressure. It is crucial to understand the response of these dyes to pressure when applying calcium imaging technologies in the field of high pressure bioscience. Therefore, we use an optically accessible pressure vessel to pressurize physiological Ca2+-buffered solutions at different fixed concentrations of free Ca2+ (1 nM to 25...
2016: PloS One
https://www.readbyqxmd.com/read/27738841/effects-of-flowing-rbcs-on-adhesion-of-a-circulating-tumor-cell-in-microvessels
#18
L L Xiao, Y Liu, S Chen, B M Fu
Adhesion of circulating tumor cells (CTCs) to the microvessel wall largely depends on the blood hydrodynamic conditions, one of which is the blood viscosity. Since blood is a non-Newtonian fluid, whose viscosity increases with hematocrit, in the microvessels at low shear rate. In this study, the effects of hematocrit, vessel size, flow rate and red blood cell (RBC) aggregation on adhesion of a CTC in the microvessels were numerically investigated using dissipative particle dynamics. The membrane of cells was represented by a spring-based network connected by elastic springs to characterize its deformation...
October 13, 2016: Biomechanics and Modeling in Mechanobiology
https://www.readbyqxmd.com/read/27726219/combined-cell-index-in-assessing-blood-donor-iron-stores
#19
T Vuk, J Bingulac-Popović, T Očić, L J Mayer, M Milošević, I Jukić
OBJECTIVES: The aim of this study was to assess the appropriateness of using combined cell index (CCI) in the assessment of iron stores in blood donors. This index is calculated by the formula: red blood cell distribution width (RDW) × 10(4) × mean corpuscular volume (MCV)(-1) × mean corpuscular haemoglobin (MCH)(-1) . BACKGROUND: Ferritin measurement is a reliable method for estimating iron stores in blood donors. The sensitivity of red blood cell (RBC) parameters of complete blood count in detecting non-anaemic iron deficiency is significantly lower...
October 11, 2016: Transfusion Medicine
https://www.readbyqxmd.com/read/27724091/rapid-emergency-and-unscheduled-care-phipps-oliver-and-lugg-jason-rapid-emergency-and-unscheduled-care-216pp-%C3%A2-21-99-wiley-blackwell-9781119035855-1119035856-formula-see-text
#20
(no author information available yet)
This book is an informative reference guide to pathologies, illnesses and some minor injuries that nurse practitioners, paramedics, doctors and allied health professionals are likely to deal with in their daily practice. Laid out in a logical way, its outlines red flags, risk factors, causes, assessment, diagnostics, and management of various conditions.
October 6, 2016: Emergency Nurse: the Journal of the RCN Accident and Emergency Nursing Association
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