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https://www.readbyqxmd.com/read/28301817/simple-and-rapid-radiosynthesis-of-n-18-f-labeled-glutamic-acid-as-a-hepatocellular-carcinoma-pet-tracer
#1
Aixia Sun, Shaoyu Liu, Xiaolan Tang, Dahong Nie, Ganghua Tang, Zhanwen Zhang, Fuhua Wen, Xiaoyan Wang
INTRODUCTION: We have reported that N-(2-(18)F-fluoropropionyl)-L-glutamate ((18)F-FPGLU) showed good tumor-to-background contrast and (18)F-FPGLU was prepared via complex multi-step reaction sequence; here, it is synthesized by a facile two-step reaction sequence. The objectives of this study are to synthesize (18)F-FPGLU via a two-step reaction sequence and to evaluate the value of (18)F-FPGLU in nude mice bearing human hepatocellular carcinoma SMCC-7721 (HCC SMCC-7721). METHODS: (18)F-FPGLU was synthetized from the precursor (2S)-dimethyl 2-(2-bromopropanamido)pentanedioate via the two-step on-column hydrolysis using a modified commercial FDG synthesizer...
March 2, 2017: Nuclear Medicine and Biology
https://www.readbyqxmd.com/read/28298508/the-eos-imaging-system-promising-technology-in-skeletal-imaging
#2
Annette Ortiz
No abstract text is available yet for this article.
March 2017: Radiologic Technology
https://www.readbyqxmd.com/read/28296357/antibacterial-antifungal-and-antiviral-effects-of-three-essential-oil-blends
#3
Amandine Brochot, Angèle Guilbot, Laïla Haddioui, Christine Roques
New agents that are effective against common pathogens are needed particularly for those resistant to conventional antimicrobial agents. Essential oils (EOs) are known for their antimicrobial activity. Using the broth microdilution method, we showed that (1) two unique blends of Cinnamomum zeylanicum, Daucus carota, Eucalyptus globulus and Rosmarinus officinalis EOs (AB1 and AB2; cinnamon EOs from two different suppliers) were active against the fourteen Gram-positive and -negative bacteria strains tested, including some antibiotic-resistant strains...
March 14, 2017: MicrobiologyOpen
https://www.readbyqxmd.com/read/28281322/chemical-composition-antibacterial-antibiofilm-and-synergistic-properties-of-essential-oils-from-eucalyptus-globulus-labill-and-seven-mediterranean-aromatic-plants
#4
Maria Vieira, Lucinda J Bessa, M Rosário Martins, Sílvia Arantes, António P S Teixeira, Ângelo Mendes, Paulo Martins da Costa, Anabela D F Belo
Essential oils (EOs) from Eucalyptus globulus Labill. ssp. globulus and from Mediterranean autochthonous aromatic plants - Thymus mastichina L., Mentha pulegium L., Rosmarinus officinalis L., Calamintha nepeta (L.) Savi ssp. nepeta, Cistus ladanifer L., Foeniculum vulgare L., Dittrichia viscosa (L.) Greuter ssp. viscosa - were extracted by hydrodistillation and characterized by GC-FID and NMR spectroscopy. EOs were evaluated for antimicrobial properties against several bacterial strains, using diverse methods, namely, the agar disc-diffusion method, the microdilution method, the crystal violet assay and the Live/Dead staining for assessment of biofilm formation...
March 9, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28279614/-eosinophilic-esophagitis-in-children-evaluation-of-practices-through-a-multicenter-study
#5
C Vigier, S Henno, S Willot, M C Machet, B Cagnard, E Breton, E Chaillou, A Dabadie, C Rochefort-Morel, L Bridoux-Henno
Eosinophilic esophagitis (EE) is a recent pathology defined by abnormal immune response of the esophageal mucosa to exogenous allergens, leading to chronic mucosa infiltration by 15 eosinophils per High-Power-Field (Eos/HPF). The present retrospective study was designed to assess the hospital care for children suffering from EE in several hospitals in western France in order to highlight discrepancies and improve future care. Twenty-eight children ranging from 1.5 months to 17 years old were included in the study...
March 6, 2017: Archives de Pédiatrie: Organe Officiel de la Sociéte Française de Pédiatrie
https://www.readbyqxmd.com/read/28278672/chemical-compositions-of-essential-oils-of-five-introduced-conifers-in-corsica
#6
Gabriel Garcia, Adrien Garcia, Marc Gibernau, Ange Bighelli, Félix Tomi
The aim of this survey was to determine the chemical composition of essential oils (EO) of five conifers acclimated in Corsica by GC(RI), GC-MS and (13)C NMR. L. decidua needle and wood EOs contained as majors components: α- and β-pinenes, germacrene D (needles) and bornyl acetate (wood). The EOs of needles, wood and cones of P. menziesii were characterised by β- and α-pinenes, terpinen-4-ol, sabinene, terpinolene (needles and wood), Δ-3-carene (wood) and limonene (cones). Needles and wood EOs of P. ponderosa contained as major components: β- and α-pinenes, Δ-3-carene (wood) and estragole (needles)...
February 13, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28273402/insecticidal-activity-of-the-leaf-essential-oil-of-peperomia-borbonensis-miq-piperaceae-and-its-major-components-against-the-melon-fly-bactrocera-cucurbitae-diptera-tephritidae
#7
Emmanuelle Dorla, Anne Bialecki, Zoé Deuscher, Agathe Allibert, Isabelle Grondin, Jean-Philippe Deguine, Philippe Laurent
The essential oil from leaves of Peperomia borbonensis from Réunion Island was obtained by hydrodistillation and characterized using GC-FID, GC-MS and NMR. The main components were myristicin (39.5%) and elemicin (26.6%). The essential oil (EO) of Peperomia borbonensis and its major compounds (myristicin and elemicin), pure or in a mixture, were evaluated for their insecticidal activity against Bactrocera cucurbitae (Diptera: Tephritidae) using a filter paper impregnated bioassay. The concentrations necessary to kill 50% (LC50 ) and 90% (LC90 ) of the flies in three hours were determined...
March 8, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28262031/antifungal-and-antioxidant-activities-of-coleonema-album-and-c-pulchellum-against-skin-diseases
#8
Olufunke O Fajinmi, Jiří Grúz, Petr Tarkowski, Manoj G Kulkarni, Jeffrey F Finnie, Johannes Van Staden
CONTEXT: Coleonema album (Thunb) Bart. & H. L. Wendl (Rutaceae) has been used in the formulation of skincare products, and the Khoisan people rub it on their skin to add luster. Coleonema pulchellum I. Williams has received less attention in the South African traditional medicine. OBJECTIVE: This study investigates the antifungal and antioxidant activities of C. album and C. pulchellum essential oil (EO) and leaf extracts; and analyzes the chemical components of their EOs...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28250672/utility-of-cytokine-adhesion-molecule-and-acute-phase-proteins-in-early-diagnosis-of-neonatal-sepsis
#9
M A Fattah, Al Fadhil A Omer, S Asaif, R Manlulu, T Karar, A Ahmed, A Aljada, Ayman M Saleh, Shoeb Qureshi, A Nasr
BACKGROUND AND AIM: Neonatal infection, including bacterial sepsis, is a major health care issue with an annual global mortality in excess of one million lives. Therefore, this study aimed to evaluate the potential diagnostic value of C-reactive protein (CRP), E-selectin, procalcitonin (PCT), interleukins-6 (IL-6), and tumor necrosis factor-α (TNF-α) both independently and in combination for the diagnosis of neonatal sepsis in its earliest stages. MATERIALS AND METHODS: A total of 320 subjects were included in this study...
January 2017: Journal of Natural Science, Biology, and Medicine
https://www.readbyqxmd.com/read/28250658/growth-inhibition-and-morphological-alteration-of-fusarium-sporotrichioides-by-mentha-piperita-essential-oil
#10
P Rachitha, K Krupashree, G V Jayashree, Natarajan Gopalan, Farhath Khanum
OBJECTIVE: The aim of this study is to determine the phytochemical composition, antifungal activity of Mentha piperita essential oil (MPE) against Fusarium sporotrichioides. METHODS: The phytochemical composition was conducted by gas chromatography mass spectrometry (GC MS) analysis and mycelia growth inhibition was determined by minimum inhibitory concentration (MIC) and minimum fungicidal concentration (MFC), the morphological characterization was observed by scanning electron microscopy...
January 2017: Pharmacognosy Research
https://www.readbyqxmd.com/read/28244928/staged-growing-rods-with-preimplantation-of-spinal-anchors-for-complex-early-onset-scoliosis
#11
Jaime A Gomez, Alexandra Grzywna, Regina Hanstein, John B Emans, M Timothy Hresko, Daniel Hedequist, Lawrence I Karlin, Michael P Glotzbecker
BACKGROUND: Treatment of early onset scoliosis (EOS) with growing rods (GR) can be challenging in patients with significant deformity, hyperkyphosis, or poor bone quality, due to risks of neurological deficit and hardware pull-out. The objective of this study is to report a series of EOS patients managed with a 2-stage GR technique used to minimize these complications. METHODS: Two-stage GR technique was performed in 8 patients at mean age of 5.4 (range, 3.4 to 7...
February 27, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28241253/a-quantitative-risk-based-approach-to-the-management-of-neonatal-early-onset-sepsis
#12
Michael W Kuzniewicz, Karen M Puopolo, Allen Fischer, Eileen M Walsh, Sherian Li, Thomas B Newman, Patricia Kipnis, Gabriel J Escobar
Importance: Current algorithms for management of neonatal early-onset sepsis (EOS) result in medical intervention for large numbers of uninfected infants. We developed multivariable prediction models for estimating the risk of EOS among late preterm and term infants based on objective data available at birth and the newborn's clinical status. Objectives: To examine the effect of neonatal EOS risk prediction models on sepsis evaluations and antibiotic use and assess their safety in a large integrated health care system...
February 20, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28236072/differences-in-limb-alignment-and-femoral-mechanical-anatomical-angles-using-two-dimension-versus-three-dimension-radiographic-imaging
#13
Frédéric Sailhan, Louis Jacob, Moussa Hamadouche
PURPOSE: The purpose of this study was to compare the femoral mechanical-anatomical (FMA) and mechanical femoro-tibial (MFT) angles in an osteoarthritic population using the 2D (two dimension) and the 3D (three dimension) EOS low-dose biplanar radiographic system (EOS). METHODS: FMA and MFT angles were calculated in 127 adults with osteoarthritis. In 2D, FMA angle was measured between the femoral mechanical axis and the femoral anatomical axis, and MFT angle between the femoral mechanical axis and the tibial mechanical axis...
February 24, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28228019/equation-of-state-and-shock-compression-of-warm-dense-sodium-a-first-principles-study
#14
Shuai Zhang, Kevin P Driver, François Soubiran, Burkhard Militzer
As one of the simple alkali metals, sodium has been of fundamental interest for shock physics experiments, but knowledge of its equation of state (EOS) in hot, dense regimes is not well known. By combining path integral Monte Carlo (PIMC) results for partially ionized states [B. Militzer and K. P. Driver, Phys. Rev. Lett. 115, 176403 (2015)] at high temperatures and density functional theory molecular dynamics (DFT-MD) results at lower temperatures, we have constructed a coherent equation of state for sodium over a wide density-temperature range of 1...
February 21, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28225526/nonhuman-primate-model-of-polytraumatic-hemorrhagic-shock-recapitulates-early-platelet-dysfunction-observed-following-severe-injury-in-humans
#15
Leasha J Schaub, Hunter B Moore, Andrew P Cap, Jacob J Glaser, Ernest E Moore, Forest R Sheppard
BACKGROUND: Platelet dysfunction has been described as an early component of trauma-induced coagulopathy. The platelet component of trauma-induced coagulopathy remains to be fully elucidated and translatable animal models are required to facilitate mechanistic investigations. We sought to determine if the early platelet dysfunction described in trauma patients could be recapitulated in a nonhuman primate model of polytraumatic hemorrhagic shock. METHODS: Twenty-four male rhesus macaques weighting 7 to 14 kg were subjected to 60 minutes (min) of severe pressure-targeted controlled hemorrhagic shock (HS) with and without other injuries...
March 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28222179/seed-and-peel-essential-oils-obtained-from-campomanesia-adamantium-fruit-inhibit-inflammatory-and-pain-parameters-in-rodents
#16
Danieli Zuntini Viscardi, Jucicléia da Silva Arrigo, Camila de Azevedo Chaves Correia, Cândida Aparecida Leite Kassuya, Claudia Andrea Lima Cardoso, Iriani Rodrigues Maldonade, Eliana Janet Sanjinez Argandoña
Campomanesia adamantium (Myrtaceae) is popularly known as "gabiroba" and has been used in folk medicine as antirheumatic, antidiarrheal, hypocholesterolemic and anti-inflammatory. This study evaluated the anti-inflammatory and antinociceptive activities and toxicology of essential oils from peel (EOP) and seed (EOS) of C. adamantium fruits in animal models. Different groups were treated with doses of 100 and 300 mg/kg and the inflammatory parameters were evaluated in carrageenan induced paw oedema and leukocyte migration in pleurisy model, while antinociceptive activity was evaluated using formalin method in rodents...
2017: PloS One
https://www.readbyqxmd.com/read/28213539/critical-concentration-of-lecithin-enhances-the-antimicrobial-activity-of-eugenol-against-escherichia-coli
#17
Haoshu Zhang, Edward G Dudley, P Michael Davidson, Federico Harte
Lecithin is a natural emulsifier used in a wide range of food and non-food applications to improve physical stability with no known bioactive effects. In this study, the effect of lecithin on the antimicrobial performance of a constant eugenol concentration was tested against three Escherichia coli strains (C600, 0.1229, and O157:H7 strain ATCC 700728). This was the first study focusing on lecithin at concentrations below those commonly used in foods to improve the stability of oil in water emulsions (≤ 10mg/100ml)...
February 17, 2017: Applied and Environmental Microbiology
https://www.readbyqxmd.com/read/28193253/artemisia-spp-essential-oils-against-the-disease-carrying-blowfly-calliphora-vomitoria
#18
Stefano Bedini, Guido Flamini, Francesca Cosci, Roberta Ascrizzi, Maria Cristina Echeverria, Lucia Guidi, Marco Landi, Andrea Lucchi, Barbara Conti
BACKGROUND: Synanthropic flies play a considerable role in the transmission of pathogenic and non-pathogenic microorganisms. In this work, the essential oil (EO) of two aromatic plants, Artemisia annua and Artemisia dracunculus, were evaluated for their abilities to control the blowfly Calliphora vomitoria. Artemisia annua and A. dracunculus EOs were extracted, analysed and tested in laboratory bioassays. Besides, the physiology of EOs toxicity and the EOs antibacterial and antifungal properties were evaluated...
February 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28190677/bornyl-diphosphate-synthase-from-lavandula-angustifolia-a-major-monoterpene-synthase-involved-in-essential-oil-quality
#19
Yolande Despinasse, Sébastien Fiorucci, Serge Antonczak, Sandrine Moja, Aurélie Bony, Florence Nicolè, Sylvie Baudino, Jean-Louis Magnard, Frédéric Jullien
Lavender essential oils (EOs) of higher quality are produced by a few Lavandula angustifolia cultivars and mainly used in the perfume industry. Undesirable compounds such as camphor and borneol are also synthesized by lavender leading to a depreciated EO. Here, we report the cloning of bornyl diphosphate synthase of lavender (LaBPPS), an enzyme that catalyzes the production of bornyl diphosphate (BPP) and then by-products such as borneol or camphor, from an EST library. Compared to the BPPS of Salvia officinalis, the functional characterization of LaBPPS showed several differences in amino acid sequence, and the distribution of catalyzed products...
February 9, 2017: Phytochemistry
https://www.readbyqxmd.com/read/28187504/extreme-spermatogenesis-failure-andrological-phenotype-and-intracytoplasmic-sperm-injection-outcomes
#20
P Plouvier, A-L Barbotin, F Boitrelle, D Dewailly, V Mitchell, J-M Rigot, V Lefebvre-Khalil, G Robin
Patients with very low sperm count through direct sperm examination can exhibit extreme oligozoospermia or cryptozoospermia (after centrifugation). The management of these patients is a real challenge for both clinicians and biologists. In this retrospective and comparative cohort study, we compared the andrological phenotype of patients with extreme alterations of spermatogenesis and assessed whether the origin of spermatozoa (testicular or ejaculate) had any influence on intracytoplasmic sperm injection (ICSI) outcomes...
March 2017: Andrology
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