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https://www.readbyqxmd.com/read/28426839/medical-history-in-the-hellenic-journal-of-nuclear-medicine
#1
EDITORIAL
Andreas Otte, Byeong Cheol Ahn
The Hellenic Journal of Nuclear Medicine is about to celebrate its 20th anniversary end of 2017. On board of the editorial team since 2003, this journal has influenced me like a good friend over the many past years. From time to time, the journal has published interesting and valuable historical notes. They show that nuclear medicine has a history and that medicine is its basis. They also teach us today, and some of the ancient perspectives and approaches are still valid. The reader of HJNM may be interested in these historical contributions, as they are timeless...
January 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28424261/zinc-absorption-from-milk-is-affected-by-dilution-but-not-by-thermal-processing-and-milk-enhances-absorption-of-zinc-from-high-phytate-rice-in-young-dutch-women
#2
Elise F Talsma, Diego Moretti, Sou Chheng Ly, Renske Dekkers, Ellen Ghm van den Heuvel, Aditia Fitri, Esther Boelsma, Tjeerd Jan Stomph, Christophe Zeder, Alida Melse-Boonstra
Background: Milk has been suggested to increase zinc absorption. The effect of processing and the ability of milk to enhance zinc absorption from other foods has not been measured directly in humans.Objective: We aimed to assess zinc absorption from 1) milk undergoing various processing and preparatory steps and 2) from intrinsically labeled high-phytate rice consumed with milk or water.Methods: Two randomized crossover studies were conducted in healthy young women [age:18-25 y; body mass index (in kg/m(2)): 20-25]: 1) a milk study (n = 19) comparing the consumption of 800 mL full-fat ultra-high temperature (UHT) milk [heat-treated milk (HTM)], full-fat UHT milk diluted 1:1 with water [heat-treated milk and water (MW)], water, or unprocessed (raw) milk (UM), each extrinsically labeled with (67)Zn, and 2) a rice study (n = 18) comparing the consumption of 90 g intrinsically (67)Zn-labeled rice with 600 mL of water [rice and water (RW)] or full-fat UHT milk [rice and milk (RM)]...
April 19, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28409736/angiographic-features-of-hemorrhagic-moyamoya-disease-with-high-recurrence-risk-a-supplementary-analysis-of-the-japan-adult-moyamoya-trial
#3
Takeshi Funaki, Jun C Takahashi, Kiyohiro Houkin, Satoshi Kuroda, Shigekazu Takeuchi, Miki Fujimura, Yasutake Tomata, Susumu Miyamoto
OBJECTIVE In this paper, the authors set out to identify the angiographic features of moyamoya disease with posterior hemorrhage, which is a strong predictor of rebleeding. METHODS This cross-sectional study used the data set of the Japan Adult Moyamoya Trial (clinical trial registration no.: C000000166 [ www.umin.ac.jp/ctr/index.htm ]). The panel designed the ancillary measurement of angiography at onset, classifying the collateral vessels into 3 subtypes: lenticulostriate anastomosis, thalamic anastomosis, and choroidal anastomosis...
April 14, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28401312/core-curriculum-illustration-anterior-process-fracture-of-the-calcaneus
#4
Shaimaa Abdelhassib Fadl, Muhammad Mubashir Ramzan, Claire Kalsch Sandstrom
This is the 28th installment of a series that will highlight one case per publication issue from the bank of cases available online as part of the American Society of Emergency Radiology (ASER) educational resources. Our goal is to generate more interest in and use of our online materials. To view more cases online, please visit the ASER Core Curriculum and Recommendations for Study online at http://www.aseronline.org/curriculum/toc.htm .
April 11, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28389706/core-curriculum-case-illustration-medial-peritalar-dislocation
#5
Muhammad Mubashir Ramzan, Shaimaa Abdelhassib Fadl, Claire Kalsch Sandstrom
This is the 29th installment of a series that will highlight one case per publication issue from the bank of cases available online as part of the American Society of Emergency Radiology (ASER) educational resources. Our goal is to generate more interest in and use of our online materials. To view more cases online, please visit the ASER Core Curriculum and Recommendations for Study online at: http://www.aseronline.org/curriculum/toc.htm .
April 7, 2017: Emergency Radiology
https://www.readbyqxmd.com/read/28388095/biomimetic-bacterial-identification-platform-based-on-thermal-wave-transport-analysis-twta-through-surface-imprinted-polymers
#6
Erik Steen Redeker, Kasper Eersels, Onno Akkermans, Jeroen Royakkers, Simba Dyson, Kunya Nurekeyeva, Beniamino Ferrando, Peter Cornelis, Marloes Peeters, Patrick Wagner, Hanne Diliën, Bart van Grinsven, Thomas Jan Cleij
This paper introduces a novel bacterial identification assay based on thermal wave analysis through surface-imprinted polymers (SIPs). Aluminum chips are coated with SIPs, serving as synthetic cell receptors that have been combined previously with the heat-transfer method (HTM) for the selective detection of bacteria. In this work, the concept of bacterial identification is extended toward the detection of nine different bacterial species. In addition, a novel sensing approach, thermal wave transport analysis (TWTA), is introduced, which analyzes the propagation of a thermal wave through a functional interface...
April 11, 2017: ACS Infectious Diseases
https://www.readbyqxmd.com/read/28378144/development-and-genetic-characterization-of-a-novel-herbicide-imazethapyr-tolerant-mutant-in-rice-oryza-sativa-l
#7
D Shoba, M Raveendran, S Manonmani, S Utharasu, D Dhivyapriya, G Subhasini, S Ramchandar, R Valarmathi, Nitasha Grover, S Gopala Krishnan, A K Singh, Pawan Jayaswal, Prashant Kale, M K Ramkumar, S V Amitha Mithra, T Mohapatra, Kuldeep Singh, N K Singh, N Sarla, M S Sheshshayee, M K Kar, S Robin, R P Sharma
BACKGROUND: Increased water and labour scarcity in major rice growing areas warrants a shift towards direct seeded rice cultivation under which management of weeds is a major issue. Use of broad spectrum non-selective herbicides is an efficient means to manage weeds. Availability of rice genotypes with complete tolerance against broad-spectrum non-selective herbicides is a pre-requisite for advocating use of such herbicides. In the present study, we developed an EMS induced rice mutant, 'HTM-N22', exhibiting tolerance to a broad spectrum herbicide, 'Imazethapyr', and identified the mutations imparting tolerance to the herbicide...
December 2017: Rice
https://www.readbyqxmd.com/read/28374057/early-diagnosis-of-pancreatic-necrosis-based-on-perfusion-ct-to-predict-the-severity-of-acute-pancreatitis
#8
Tsuji Yoshihisa, Takahashi Naoki, Isoda Hiroyoshi, Koizumi Koji, Koyasu Sho, Sekimoto Miho, Imanaka Yuichi, Yazumi Shujiro, Asada Masanori, Nishikawa Yoshihiro, Yamamoto Hiroshi, Kikuchi Osamu, Yoshida Tsukasa, Inokuma Tetsuro, Katsushima Shinji, Esaka Naoki, Okano Akihiro, Kawanami Chiharu, Kakiuchi Nobuyuki, Shiokawa Masahiro, Kodama Yuzo, Moriyama Ichiro, Kajitani Takafumi, Kinoshita Yoshikazu, Chiba Tsutomu
BACKGROUND: Perfusion CT can diagnose pancreatic necrosis in early stage of severe acute pancreatitis, accurately. However, no study to date has examined whether early diagnosis of pancreatic necrosis is useful in predicting persistent organ failure (POF). METHODS: We performed a multi-center prospective observational cohort study to investigate whether perfusion CT can predict the development of POF in the early stage of AP, based on early diagnosis of the development of pancreatic necrosis (PN)...
April 3, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28369227/high-proportion-of-anorectal-chlamydia-trachomatis-and-neisseria-gonorrhoeae-after-routine-universal-urogenital-and-anorectal-screening-in-women-visiting-the-sti-clinic
#9
Geneviève Afs van Liere, Nicole Htm Dukers-Muijrers, Luuk Levels, Christian Jpa Hoebe
Background: Testing on indication of self-reported anal sex or symptoms is used to manage anorectal Chlamydia trachomatis (chlamydia) and Neisseria gonorrhoeae (gonorrhoea) infections in women. Little is known about the impact of another testing strategy: routine universal anorectal screening with respect to chlamydia and gonorrhoea prevalence and risk factors. Methods: All women (n=1012) aged ≥16 years attending our STI in 2015 were offered routine universal screening...
March 20, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/28362614/htm-spatial-pooler-with-memristor-crossbar-circuits-for-sparse-biometric-recognition
#10
Alex Pappachen James, Irina Fedorova, Timur Ibrayev, Dhireesha Kudithipudi
Hierarchical Temporal Memory (HTM) is an online machine learning algorithm that emulates the neo-cortex. The development of a scalable on-chip HTM architecture is an open research area. The two core substructures of HTM are spatial pooler and temporal memory. In this work, we propose a new Spatial Pooler circuit design with parallel memristive crossbar arrays for the 2D columns. The proposed design was validated on two different benchmark datasets, face recognition, and speech recognition. The circuits are simulated and analyzed using a practical memristor device model and 0...
March 1, 2017: IEEE Transactions on Biomedical Circuits and Systems
https://www.readbyqxmd.com/read/28353654/the-molecule-of-the-month-website-an-extraordinary-chemistry-educational-resource-online-for-over-20-years
#11
Paul W May, Simon A Cotton, Karl Harrison, Henry S Rzepa
The Molecule of the Month website (http://www.chm.bris.ac.uk/motm/motm.htm) is an educational resource that is celebrating its 20th anniversary. Here we reflect on its pioneering role in promoting new technology for visualizing and presenting chemical information on the web, as well as its achievements, as a free educational resource, both as a teaching aid and as a multi-user, multi-author learning platform. We discuss the legal aspects of such sites, as well as issues around how to make the content permanent...
March 29, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28345338/study-of-arylamine-substituted-porphyrins-as-hole-transporting-materials-in-high-performance-perovskite-solar-cells
#12
Song Chen, Peng Liu, Yong Hua, Yuanyuan Li, Lars Kloo, Xingzhu Wang, Beng Ong, Wai-Kwok Wong, Xunjin Zhu
To develop new hole-transporting materials (HTMs) for efficient and stable perovskite solar cells (PSCs), 5,10,15,20-tetrakis{4-[N,N-di(4-methoxylphenyl)amino-phenyl]}-porphyrin was prepared in gram scale through the direct condensation of pyrrole and 4-[bis(4-methoxyphenyl)amino]benzaldehyde. Its Zn(II) and Cu(II) complexes exhibit excellent thermal and electrochemical stability, specifically a high hole mobility and very favorable energetics for hole extraction that render them a new class of HTMs in organometallic halide PSCs...
April 4, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28337770/hypoglycemic-effect-of-hawthorn-in-type-ii-diabetes-mellitus-rat-model
#13
Aili Aierken, Tina Buchholz, Chen Chen, Xiaoying Zhang, Matthias F Melzig
BACKGROUND: Hawthorn is one of the popular herbs in many different traditional medicine systems including in Traditional Chinese Medicine (TCM), where it has long been used for the treatment of hyperglycemia. However, most of its varied biological activities are still remaining unexplored. This study investigated the hypoglycemic effect of hawthorn extracts in type II diabetic (T2DM) rat model. A total of 54 rats were randomly divided into six groups. Normal control group (NC), type II diabetic model group (T2DM, T2DM rats were induced by high fat diet and streptozotocin), high, middle and low concentrations of hawthorn treat groups (HTH , HTM and HTL , T2DM rats were given hawthorn extract at the dose of 50, 100 and 200 mg kg ^-1...
March 23, 2017: Journal of the Science of Food and Agriculture
https://www.readbyqxmd.com/read/28335435/spirobifluorene-core-based-novel-hole-transporting-materials-for-red-phosphorescence-oleds
#14
Ramanaskanda Braveenth, Hyeong Woo Bae, Quynh Pham Bao Nguyen, Haye Min Ko, Choong Hun Lee, Hyeong Jun Kim, Jang Hyuk Kwon, Kyu Yun Chai
Two new hole transporting materials, named HTM 1A and HTM 1B, were designed and synthesized in significant yields using the well-known Buchwald Hartwig and Suzuki cross- coupling reactions. Both materials showed higher decomposition temperatures (over 450 °C) at 5% weight reduction and HTM 1B exhibited a higher glass transition temperature of 180 °C. Red phosphorescence-based OLED devices were fabricated to analyze the device performances compared to Spiro-NPB and NPB as reference hole transporting materials...
March 14, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28334340/meta-analytic-framework-for-liquid-association
#15
Lin Wang, Silvia Liu, Ying Ding, Shin-Sheng Yuan, Yen-Yi Ho, George C Tseng
Motivation: Although coexpression analysis via pair-wise expression correlation is popularly used to elucidate gene-gene interactions at the whole-genome scale, many complicated multi-gene regulations require more advanced detection methods. Liquid association is a powerful tool to detect the dynamic correlation of two gene variables depending on the expression level of a third variable (LA scouting gene). Liquid association detection from single transcriptomic study, however, is often unstable and not generalizable due to cohort bias, biological variation, and limited sample size...
March 11, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28332402/small-molecule-polymer-composite-hole-transporting-layer-for-highly-efficient-and-stable-perovskite-solar-cells
#16
Jin-Miao Wang, Zhao-Kui Wang, Meng Li, Ke-Hao Hu, Ying-Guo Yang, Yun Hu, Xing-Yu Gao, Liang-Sheng Liao
Effective and stable hole-transporting materials (HTMs) are necessary for obtaining excellent planar perovskite solar cells (PSCs). Herein, we reported a solution-processed composite HTM consisting of a polymer poly(3,4-ethylenedioxythiophene):polystyrenesulfonate (PEDOT:PSS) and a small-molecule copper phthalocyanine-3,4',4″,4‴-tetrasulfonated acid tetrasodium salt (TS-CuPc) with optimized doping ratios. The composite HTM is crucial for not only enhancing the hole transport and extraction but also improving the perovskite crystallization...
April 4, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28314164/calculation-spreadsheet-for-uncertainty-estimation-of-measurement-results-in-gamma-ray-spectrometry-and-its-validation-for-quality-assurance-purpose
#17
Alessia Ceccatelli, Ashild Dybdal, Ales Fajgelj, Aurelien Pitois
An Excel calculation spreadsheet has been developed to estimate the uncertainty of measurement results in γ-ray spectrometry. It considers all relevant uncertainty components and calculates the combined standard uncertainty of the measurement result. The calculation spreadsheet has been validated using two independent open access software and is available for download free of charge at: https://nucleus.iaea.org/rpst/ReferenceProducts/Analytical_Methods/index.htm. It provides a simple and easy-to-use template for estimating the uncertainty of γ-ray spectrometry measurement results and supports the radioanalytical laboratories seeking accreditation for their measurements using γ-ray spectrometry...
March 3, 2017: Applied Radiation and Isotopes
https://www.readbyqxmd.com/read/28296440/cutting-edge-technologies-that-could-reshape-htm-and-health-it
#18
Jeff Kabachinski
No abstract text is available yet for this article.
March 2017: Biomedical Instrumentation & Technology
https://www.readbyqxmd.com/read/28296439/htm-pay-close-attention-to-compliance-revisions-and-maintenance-standards
#19
Stephen Grimes
No abstract text is available yet for this article.
March 2017: Biomedical Instrumentation & Technology
https://www.readbyqxmd.com/read/28287749/boron-doping-of-multiwalled-carbon-nanotubes-significantly-enhances-hole-extraction-in-carbon-based-perovskite-solar-cells
#20
Xiaoli Zheng, Haining Chen, Qiang Li, Yinglong Yang, Zhanhua Wei, Yang Bai, Yongcai Qiu, Dan Zhou, Kam Sing Wong, Shihe Yang
Compared to the conventional perovskite solar cells (PSCs) containing hole-transport materials (HTM), carbon materials based HTM-free PSCs (C-PSCs) have often suffered from inferior power conversion efficiencies (PCEs) arising at least partially from the inefficient hole extraction at the perovskite-carbon interface. Here, we show that boron (B) doping of multiwalled carbon nanotubes (B-MWNTs) electrodes are superior in enabling enhanced hole extraction and transport by increasing work function, carrier concentration, and conductivity of MWNTs...
March 15, 2017: Nano Letters
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