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Khushbu Agarwal, Uma Sharma, Sandeep Mathur, Vurthaluru Seenu, Rajinder Parshad, Naranamangalam R Jagannathan
PURPOSE: To evaluate the utility of fat fraction (FF) for the differentiation of different breast tissues and in various breast tumor subtypes using in vivo proton ( 1 H) magnetic resonance spectroscopy (MRS). METHODS: 1 H MRS was performed on 68 malignant, 35 benign, and 30 healthy volunteers at 1.5 T. Malignant breast tissues of patients were characterized into different subtypes based on the differences in the expression of hormone receptors and the FF was calculated...
February 14, 2018: Magnetic Resonance Imaging
Cheng Wang, Changyou Shi, Yu Zhang, Deguang Song, Zeqing Lu, Yizhen Wang
Development of alternatives to antibiotic growth promoters (AGP) used in swine production requires a better understanding of their impacts on the gut microbiota. Supplementing fermented feed (FF) in swine diets as a novel nutritional strategy to reduce the use of AGP and feed price, can positively affect the porcine gut microbiota, thereby improving pig productivities. Previous studies have noted the potential effects of FF on the shift in benefit of the swine microbiota in different regions of the gastrointestinal tract (GIT)...
February 16, 2018: Applied Microbiology and Biotechnology
Daisuke Kawahara, Shuichi Ozawa, Akito Saito, Tomoki Kimura, Tatsuhiko Suzuki, Masato Tsuneda, Sodai Tanaka, Takeo Nakashima, Yoshimi Ohno, Yuji Murakami, Yasushi Nagata
PURPOSE: Lipiodol, which was used in transcatheter arterial chemoembolization before liver stereotactic body radiation therapy (SBRT), remains in SBRT. Previous we reported the dose enhancement in Lipiodol using 10 MV (10×) FFF beam. In this study, we compared the dose enhancement in Lipiodol and evaluated the probability of electron generation (PEG) for the dose enhancement using flattening filter (FF) and flattening filter free (FFF) beams. METHODS: FF and FFF for 6 MV (6×) and 10× beams were delivered by TrueBeam...
February 15, 2018: Journal of Applied Clinical Medical Physics
Yuan-Cheng Wang, Yinglian Feng, Chun-Qiang Lu, Shenghong Ju
OBJECTIVE: To investigate the renal fat fraction and water molecular diffusion features in patients with early-stage DN using Dixon imaging and diffusion tensor imaging (DTI). METHODS: Sixty-one type 2 diabetics (normoalbuminuria: n = 40; microalbuminuria: n = 21) and 34 non-diabetic volunteers were included. All participants received three-point Dixon imaging and DTI using a 3.0-T magnetic resonance imager. The fat fraction [FF] and DTI features [fractional anisotropy (FA), apparent diffusion coefficient (ADC), tract counts and length from DTI tractography] were collected...
February 15, 2018: European Radiology
Jinsu Jung, Azmira Jannat, M Shaheer Akhtar, O-Bong Yang
In this work, the deposition of double layer ARC on p-type Si solar cells was carried out by simple spin coating using sol-gel derived Al2O3 and TiO2 precursors for the fabrication of crystalline Si solar cells. The first ARC layer was created by freshly prepared sol-gel derived Al2O3 precursor using spin coating technique and then second ARC layer of TiO2 was deposited with sol-gel derived TiO2 precursor, which was finally annealed at 400 °C. The double layer Al2O3/TiO2 ARC on Si wafer exhibited the low average reflectance of 4...
February 1, 2018: Journal of Nanoscience and Nanotechnology
Liguo Wei, Shishan Chen, Yulin Yang, Yongli Dong, Weina Song, Ruiqin Fan
Graphene has attracted a lot of attention because of its unique mechanical, thermal, electrical and optical properties. In this study, a double layered structured photoanode consisting of a graphene/TiO2 composite layer and a TiO2 nanoparticles (P25) underlayer was developed. The photoelectric properties of as-prepared double layer structured photoanode were studied with comparison of the anatase TiO2 photoanode. Graphene was prepared by reduction of graphene oxide (GO) under a hydrothermal conditions and graphenen/TiO2 composite semiconductor materials were prepared by mixing graphene into TiO2 paste...
February 1, 2018: Journal of Nanoscience and Nanotechnology
Junmin Liu, Spencer Christiansen, Maria Drangova
Multi-echo gradient echo (mGRE) sequences have been widely adapted in clinical and scientific practice for different purposes to their capability of performing Dixon MRI, generating multi-contrast images and extracting multi-parametric maps. This work aims to extend mGRE-based techniques for imaging whole head, where further technical developments are required due to the co-existence of fat and large B0 inhomogeneity in regions such as the skull base and neck. Specifically, bipolar mGRE data were acquired with a single sequence that contains both a short echo-spacing (ΔTE) echo train to capture water-fat and B0 phase shifts (for proton density fat-fraction (FF) and B0 mapping) and a longer ΔTE echo train (and long echo times) to capture subtle susceptibility variations and R2* information...
February 12, 2018: NeuroImage
Ni Cheng, Yong Chen, Jie Yu, Jing-Jing Li, Yu Liu
Using coumarin-modified diphenylalanine (CO-FF) and gamma-cyclodextrin (gamma-CD) as building blocks, one-dimensional nanofibers with several nanometers in width and tens of micrometers in length were successfully constructed. Through the photo-dimerization of coumarin units in CO-FF/gamma-CD complexes, the resultant nanofibers could cross-linked to organic 2D thin films with a lateral dimension of tens of micrometers and a thickness of nanometers. The resultant thin films exhibited a sig-nificant fluorescence enhancement for twisted intramolecular charge-transfer (TICT) molecules and effective removal of pollut-ant from water through filtration...
February 15, 2018: ACS Applied Materials & Interfaces
S Roux, I Gaboury, N Gionet-Landry, M-P Garant, M-C Beaulieu, N Carrier, F Cabana, G Boire
Interventions targeting patients with recent fragility fracture and their physician were most successful at initiating osteoporosis treatment during the first 12 months. This window of opportunity had already closed after 1 year. The reasons for declining or accepting the intensive intervention were explored in patients still untreated at 12 months. INTRODUCTION: A fragility fracture (FF) event identifies patients most likely to benefit from osteoporosis treatment. Nonetheless, most FF patients go untreated...
February 14, 2018: Osteoporosis International
Yang Ni
In this paper, we present a new logarithmic pixel design currently under development at New Imaging Technologies SA (NIT). This new logarithmic pixel design uses charge domain logarithmic signal compression and charge-transfer-based signal readout. This structure gives a linear response in low light conditions and logarithmic response in high light conditions. The charge transfer readout efficiently suppresses the reset (KTC) noise by using true correlated double sampling (CDS) in low light conditions. In high light conditions, thanks to charge domain logarithmic compression, it has been demonstrated that 3000 electrons should be enough to cover a 120 dB dynamic range with a mobile phone camera-like signal-to-noise ratio (SNR) over the whole dynamic range...
February 14, 2018: Sensors
Ahmad Umar, Ahmed A Ibrahim
Herein, we report a facile synthesis, characterization and dye sensitized solar cell (DSSC) application of flower-shaped ZnO nanostructures. The flower-shaped ZnO nanostructures were synthesized by low-temperature hydrothermal process and characterized in detail by several techniques. The detailed morphological studies confirmed that the flower-shaped structures are formed by the accumulation of several nanoneedles which are axially arranged through their bases in a special fashion that they made flower-like morphologies...
May 1, 2018: Journal of Nanoscience and Nanotechnology
Panupong Sangsuriyawong, Auttasit Tubtimtae, Veeramol Vailikhit, Pichanan Teesetsopon, Supab Choopun
Manganese2+-doped copper tin telluride nanoparticles (Mn2+:Cu2SnTe3 NPs), as an absorber layer, were grown using a chemical bath deposition (CBD) technique and demonstrated for solar cell applications. The cubical structure was formed on the WO3 surface with the band gap (Eg) of Cu2SnTe3 NPs decreased from 1.80 to 1.67 eV after Mn2+ doping. The photovoltaic property at 1 sun shows the efficiency (η) of 0.276%. The η was increased with reducing sunlight intensity due to the lower carrier recombination process at an electrode and electrolyte interface, which leads to the increasing η...
June 1, 2018: Journal of Nanoscience and Nanotechnology
Long Li, Yanqing Wang, Xinlian Deng, Linhui Nie, Zhendong Cui, Chengwu Shi
CH3NH3PbI3-xBrx thin films with different Br contents were successfully prepared on TiO2 nanorod array using 1.7 M PbI2 · DMSO complex solution and 0.465 M CH3NH3x(x = Br, I) precursors with different CH3NH3Br contents (molar ratios) by sequential deposition method. The influence of CH3NH3Br contents on the chemical composition, crystallinity, optical absorption and surface morphology of the CH3NH3PbI3-xBrx thin films was systematically investigated, and the photovoltaic performance of the corresponding TiO2 nanorod array perovskite solar cells was evaluated...
July 1, 2018: Journal of Nanoscience and Nanotechnology
Qun-Fang Zhang, Guo-Yong Chen, Yun Liu, Hui-Juan Huang, Yan-Feng Song
BACKGROUND: Endometriosis (EM) interferes with the reproductive process and affects the success rate of in vitro fertilization (IVF). Inflammatory cytokines are suggested to play a role in infertility in patients with EM. OBJECTIVES: In this study, we aimed to investigate the relationship between resistin and interleukin 23 (IL-23) levels in follicular fluid (FF) and serum together with the severity of endometriosis and in vitro fertilization/ embryo transfer (IVF-ET) outcome...
December 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
Valéria Ferreira-Silva, Fernando L Primo, Munira M A Baqui, Danielle A R Magalhães, Maristela D Orellana, Andrielle Castilho-Fernandes, Mario C Cruz, Niehls O S Câmara, Dimas T Covas, Antonio C Tedesco
The purpose of the present study was to evaluate the neural protein expression pattern of human multipotent mesenchymal stromal cells (hMSCs) treated with forskolin (free-form/FF). The study investigated forskolin's capacity to enhance intracellular levels of cyclic adenosine monophosphate (cAMP) by activating adenylate cyclase and probably by inducing neuron-like cells in vitro. In addition, because nanotechnology is a growing field of tissue engineering, we also assessed the action of a new system called the nanostructured-forskolin (NF) to examine the improvement of drug delivery...
February 13, 2018: Stem Cell Reviews
Camila Y Bastidas, Carlos von Plessing, José Troncoso, Rosario Del P Castillo
Fourier Transform infrared imaging and multivariate analysis were used to identify, at the microscopic level, the presence of florfenicol (FF), a heavily-used antibiotic in the salmon industry, supplied to fishes in feed pellets for the treatment of salmonid rickettsial septicemia (SRS). The FF distribution was evaluated using Principal Component Analysis (PCA) and Augmented Multivariate Curve Resolution with Alternating Least Squares (augmented MCR-ALS) on the spectra obtained from images with pixel sizes of 6...
February 7, 2018: Journal of Pharmaceutical and Biomedical Analysis
M M Hennessy, I Ivanovski, C B Ó Súilleabháin
INTRODUCTION: Trichotillomania and trichotillophagia can result in huge intraluminal coagulations of hair. Rarely, these can present with gastric perforation. This work has been reported in line with the SCARE criteria (Agha et al., 2016) [1]. PRESENTATION OF CASE: We report the case of a 15 year old girl who attended the emergency department with abdominal pain and vomiting. Ultrasound abdomen and pelvis identified free fluid within the pelvis concerning for inflammatory bowel disease...
February 10, 2018: International Journal of Surgery Case Reports
Yogajivan Rout, Rajneesh Misra, Rahul Singhal, Subhayan Biswas, Ganesh D Sharma
We have used two unsymmetrical small molecules, named phenothiazine 1 and 2 with a D-A-D-π-D configuration, where phenothiazine is used as a central unit, triphenylamine is used as a terminal unit and TCBD and cyclohexa-2,5-diene-1,4-diylidene-expanded TCBD are used as an acceptor between the phenothiazine and triphenylamine units, as a small molecule donor along with PC71BM as an acceptor for solution processed bulk heterojunction solar cells. The variation of acceptors in the phenothiazine derivatives makes an exciting change in the photophysical and electrochemical properties, hole mobility and therefore photovoltaic performance...
February 13, 2018: Physical Chemistry Chemical Physics: PCCP
Young Ju Jeong, Sung Hwan Park, Sung Hee Mun, Sang Gyu Kwak, Sun-Jae Lee, Hoon Kyu Oh
We hypothesized that lysyl oxidase (LOX) contributes to the formation of fibrotic focus (FF) in association with inflammation and serves a significant role in breast carcinogenesis. In the present study, the association between the expression of LOX family members and FF with regards to with inflammation was analyzed, and the prognostic significance of LOX and FF in breast cancer was investigated. Immunohistochemical staining for LOX, LOX-like protein (LOXL) 1, LOXL2 and LOXL3 was performed in primary breast cancer tissues...
February 2018: Oncology Letters
Maryam Dehbani, Masoud Rahimi
In the present study, Ultrasonic Falling Film (USFF), as a novel technique has been proposed to increase the evaporation rate of moderate temperature liquid film. It is a proper method for some applications which cannot be performed at high temperature, such as foodstuff industry, due to their sensitivity to high temperatures. Evaporation rate of sodium chloride solution from an USFF on an inclined flat plate compared to that for Falling Film without ultrasonic irradiation (FF) at various temperatures was investigated...
April 2018: Ultrasonics Sonochemistry
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