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https://www.readbyqxmd.com/read/29223059/a-highly-selective-fluorescence-sensing-platform-for-nanomolar-hg-ii-detection-based-on-cytosine-derived-quantum-dot
#1
Liang Luo, Ting Song, Haoqiang Wang, Qunhui Yuan, Shenghai Zhou
Inspired by low toxicity and good biocompatibility of biomass derived quantum dot (QD), we herein developed a cytosine derived quantum dot, namely cyt-dot, via a one-step hydrothermal synthesis. The as-prepared cyt-dot emits blue fluorescence (FL) containing abundant oxygen (20.6at.%) and nitrogen (24.1at.%) contents. The cyt-dot based sensing platform shows exclusive selectivity for Hg(II) while being insensitive towards Fe(III) and Ag(I), which are important interference that usually cannot be ruled out. The detection limit for Hg(II) is of 11nM, which is very close to the guideline value of 10nM allowed by the U...
November 22, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/29222900/comparisons-of-proteomic-profiles-of-whey-protein-between-donor-human-milk-collected-earlier-than-3-months-and-6-months-after-delivery
#2
Won-Ho Hahn, Joon-Hwan Song, Jong-Bok Seo, Jung Eun Lee, Jeong-Sang Lee, Seunghyun Song, Joohyun Lee, Nam Mi Kang
BACKGROUND AND OBJECTIVES: Human milk has nutritional, protective, and developmental advantages for premature infants. However, proteomic information of low abundant protein of donor milk is insufficient. The purpose of this study is to analyze and compare the proteome of low abundant protein of donor milk obtained at different postpartum ages other than the colostrum. METHODS AND STUDY DESIGN: Donor breast milk from 12 healthy mothers was collected 15 days, 2 months and 6 months after delivery and stored by medically approved methods...
2018: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29222894/international-hospital-accreditation-and-clinical-nutrition-service-in-acute-care-hospitals-in-south-korea-results-of-a-nationwide-cross-sectional-survey
#3
Mi Hyang Um, Eun Soon Lyu, Song Mi Lee, Yoo Kyoung Park
BACKGROUND AND OBJECTIVES: Beginning in 2007, 29 hospitals in South Korea have received accreditation from Joint Commission International (JCI). The present study aimed to identify differences in clinical nutrition service provisions between JCI accredited acute care hospitals and non-accredited acute care hospitals. A survey questionnaire was sent to all 43 acute care hospitals in South Korea. METHODS: A total of 35 sets of clinical nutrition service surveys, 234 sets of clinical dietitian job satisfaction surveys, and five-day daily work logs from 129 clinical dietitians were received...
2018: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/29222705/tai-chi-and-qigong-for-cancer-related-symptoms-and-quality-of-life-a-systematic-review-and-meta-analysis
#4
REVIEW
Peter M Wayne, M S Lee, J Novakowski, K Osypiuk, J Ligibel, L E Carlson, R Song
PURPOSE: This study aims to summarize and critically evaluate the effects of Tai Chi and Qigong (TCQ) mind-body exercises on symptoms and quality of life (QOL) in cancer survivors. METHODS: A systematic search in four electronic databases targeted randomized and non-randomized clinical studies evaluating TCQ for fatigue, sleep difficulty, depression, pain, and QOL in cancer patients, published through August 2016. Meta-analysis was used to estimate effect sizes (ES, Hedges' g) and publication bias for randomized controlled trials (RCTs)...
December 8, 2017: Journal of Cancer Survivorship: Research and Practice
https://www.readbyqxmd.com/read/29222676/intravoxel-incoherent-motion-mr-imaging-of-early-cervical-carcinoma-correlation-between-imaging-parameters-and-tumor-stroma-ratio
#5
Xiangsheng Li, Ping Wang, Dechang Li, Hongxian Zhu, Limin Meng, Yunlong Song, Lizhi Xie, Jianping Zhu, Tao Yu
OBJECTIVES: To investigate if intravoxel incoherent motion (IVIM) MR imaging can predict the tumour-stroma ratio (TSR) in patients with early cervical carcinoma. METHODS: Fifty-four patients with early cervical carcinoma were prospectively enrolled into this study. All patients underwent IVIM imaging and parameters including D, D* and f value were measured. The tumours were classified into stroma-rich and stroma-poor group according to TSR, and comparisons of IVIM parameters between two groups were performed...
December 8, 2017: European Radiology
https://www.readbyqxmd.com/read/29222507/induced-unconventional-superconductivity-on-the-surface-states-of-bi2te3-topological-insulator
#6
Sophie Charpentier, Luca Galletti, Gunta Kunakova, Riccardo Arpaia, Yuxin Song, Reza Baghdadi, Shu Min Wang, Alexei Kalaboukhov, Eva Olsson, Francesco Tafuri, Dmitry Golubev, Jacob Linder, Thilo Bauch, Floriana Lombardi
Topological superconductivity is central to a variety of novel phenomena involving the interplay between topologically ordered phases and broken-symmetry states. The key ingredient is an unconventional order parameter, with an orbital component containing a chiral p x  + ip y wave term. Here we present phase-sensitive measurements, based on the quantum interference in nanoscale Josephson junctions, realized by using Bi2Te3 topological insulator. We demonstrate that the induced superconductivity is unconventional and consistent with a sign-changing order parameter, such as a chiral p x  + ip y component...
December 8, 2017: Nature Communications
https://www.readbyqxmd.com/read/29222406/dna-methylation-mediated-silencing-of-regenerating-protein-1-alpha-reg1a-affects-gastric-cancer-prognosis
#7
Yan-Song Qiu, Guang-Jun Liao, Ning-Ning Jiang
BACKGROUND Gastric cancer (GC) is one of the most common cause of cancer-related deaths. The clinical trials still lack the effective methods to treat or monitor the disease progression. In this research, the biological function and the underlying molecular mechanism of regenerating protein 1 alpha (REG1A) in GC were investigated. MATERIAL AND METHODS Gene expression omnibus (GEO), KMplot datasets and GC tissue microarray (n=164) were used to analyze the expression of REG1A and related patient prognoses in GC...
December 9, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29222348/insulin-degrading-enzyme-contributes-to-the-pathology-in-a-mixed-model-of-type-2-diabetes-and-alzheimer-s-disease
#8
Huajie Li, Jian Wu, Linfeng Zhu, Luolin Sha, Song Yang, Jiang Wei, Lei Ji, Xiaochun Tang, Keshi Mao, Liping Cao, Ning Wei, Wei Xie, Zhilong Yang
Insulin degrading enzyme (IDE) is believed to act as a junction point of type 2 diabetes (T2D) and Alzheimer's disease (AD), however, the underlying mechanism was not completely clear yet. Transgenic APPSwe/PS1 mice were used as the AD model and were treated with streptozocin/streptozotocin (STZ) to develop a mixed mice model presenting both AD and T2D. Morris Water Maze (MWM) and recognition task were performed to trace the cognitive function. The detection of fasting plasma glucose (FPG) and plasma insulin concentration, and Oral Glucose Tolerance Test (OGTT) were used to trace the metabolism evolution...
December 8, 2017: Bioscience Reports
https://www.readbyqxmd.com/read/29222025/preparation-and-comparison-of-tacrolimus-loaded-solid-dispersion-and-self-microemulsifying-drug-delivery-system-by-in-vitro-in-vivo-evaluation
#9
Taotao Huo, Chun Tao, Minxin Zhang, Qinghong Liu, Bing Lin, Zhihong Liu, Jialiang Zhang, Meijing Zhang, Haiyue Yang, Jue Wu, Xinrong Sun, Qian Zhang, Hongtao Song
This study aimed to compare the dissolution and the intestinal absorption of tacrolimus in self-microemulsifying drug delivery system (SMEDDS) and solid dispersion (SD). Poloxamer 188 SD was prepared by the combination of the solvent evaporation method and the freeze drying method. Hydroxypropyl methylcellulose (HPMC) SD was prepared by the solvent evaporation method combined with the vacuum drying method. The formation of SD was confirmed by SEM images which showed new solid phases. The SMEDDS was composed of oil (Labrafil M1944 CS 28%), surfactant (Cremophor EL 48%) and co-surfactant (Transcutol P 24%)...
December 5, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29222013/purification-structural-features-and-immunostimulatory-activity-of-novel-polysaccharides-from-caulerpa-lentillifera
#10
Yujiao Sun, Guiping Gong, Yiming Guo, Zhongfu Wang, Shuang Song, Beiwei Zhu, Lili Zhao, Jinju Jiang
In this study, four purified fractions (CLGP1, CLGP2, CLGP3 and CLGP4) were prepared from green seaweed Caulerpa lentillifera. They were identified to be a novel kind of xylogalactomanans, differed in molecular weight, monosaccharide composition, and the content of uronic acids and sulfate groups, leading to various ζ-potential, ultrastructure and immunostimulatory activity. Especially, CLGP4 was quite different from the others, as it was found to be a homogeneous heteropolysaccharide composed of Xyl, Man and Gal in a percentage ratio of 1...
December 5, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29222010/a-novel-nr2f2-loss-of-function-mutation-predisposes-to-congenital-heart-defect
#11
Xiao-Hui Qiao, Qian Wang, Juan Wang, Xing-Yuan Liu, Ying-Jia Xu, Ri-Tai Huang, Song Xue, Yan-Jie Li, Min Zhang, Xin-Kai Qu, Ruo-Gu Li, Xing-Biao Qiu, Yi-Qing Yang
Congenital heart defect (CHD) is the most common type of birth defect in humans and a leading cause of infant morbidity and mortality. Previous studies have demonstrated that genetic defects play a pivotal role in the pathogenesis of CHD. However, the genetic basis of CHD remains poorly understood due to substantial genetic heterogeneity. In this study, the coding exons and splicing boundaries of the NR2F2 gene, which encodes a pleiotropic transcription factor required for normal cardiovascular development, were sequenced in 168 unrelated patients with CHD, and a novel mutation (c...
December 5, 2017: European Journal of Medical Genetics
https://www.readbyqxmd.com/read/29221865/methodologies-to-determine-b-term-coefficients-revisited
#12
Huiying Song, Donatela Sadriaj, Gert Desmet, Deirdre Cabooter
The accuracy of the longitudinal diffusion term (b-term) plays a vital role in the study of mass transfer mechanisms in high performance liquid chromatography (HPLC). In this study, three commonly used methodologies (peak parking; fitting of an experimental van Deemter curve; and the so-called dynamic method) for the determination of the b-term constant were investigated in detail. The three methods were compared based on their mutual agreement, the intra- and inter-day variation of the obtained values and the time required to measure them...
December 5, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/29221815/corneal-confocal-microscopy-as-a-non-invasive-test-to-assess-diabetic-peripheral-neuropathy
#13
Qian Xiong, Bin Lu, Hong-Ying Ye, Si-Ying Liu, Hang-Ping Zheng, Rui-Yun Zhang, Xiao-Na Qiao, Shuo Zhang, Xiao-Xia Liu, Qing-Chun Li, Na Yi, Liang-Cheng Wu, Jie Wen, Tian-Song Zhang, Yi-Ming Li
OBJECTIVE: To evaluate the efficacy of corneal confocal microscopy (CCM)as a non-invasive test to assess diabetic peripheral neuropathy in Chinese patients diagnosed with type 2 diabetes. RESEARCH DESIGN AND METHODS: Diabetic distal symmetric polyneuropathy (DSPN) and its severity degrees were assessed based on the modified Toronto diagnostic criteria in 128 patients with type 2 diabetes (No DSPN [n = 49], mild DSPN [n = 43], moderate-to-severe DSPN [n = 36]) and 24 age-matched controls...
December 5, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/29221752/chronic-nicotine-exposure-impairs-uncertainty-modulation-on-reinforcement-learning-in-anterior-cingulate-cortex-and-serotonin-system
#14
Zhengde Wei, Long Han, Xiuying Zhong, Ying Liu, Rujing Zha, Ying Wang, Li-Zhuang Yang, Junjie Bu, Hongwen Song, Wenjuan Wang, Yifeng Zhou, Ping Gao, Xiaochu Zhang
Deficits in the computational processes of reinforcement learning have been suggested to underlie addiction. Additionally, environmental uncertainty, which is encoded in the anterior cingulate cortex (ACC), modulates reward prediction errors (RPEs) during reinforcement learning and exacerbates addiction. The present study tested whether and how the ACC would have an essential role in drug addiction by failing to use uncertainty to modulate the RPEs during reinforcement learning. In Experiment I, we found that the ACC/medial prefrontal cortex (MPFC) did not modulate RPE learning according to uncertainty in smokers...
December 5, 2017: NeuroImage
https://www.readbyqxmd.com/read/29221720/strategy-of-endovascular-treatment-for-renal-artery-aneurysms
#15
Y Wang, S Song, G Zhou, D Liu, X Xia, B Liang, B Xiong, H Liang, C Zheng, G Feng
No abstract text is available yet for this article.
December 5, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/29221719/integration-of-different-criteria-for-borderline-resectable-pancreatic-cancer-using-classification-tree-analysis-the-use-of-radiological-tumour-vascular-interface-in-correlation-with-surgical-and-pathological-outcomes
#16
J A Hwang, K M Jang, S H Kim, T W Kang, K D Song, D I Cha, S Ahn
AIM: To integrate various criteria for borderline resectable pancreatic cancer (BRPC) based on radiological parameters using classification tree analysis. MATERIALS AND METHODS: The institutional review board approved this retrospective study and waived the requirement for informed consent. Two hundred and thirty-five tumour-vein interfaces and 67 tumour-artery interfaces in 245 patients with surgically confirmed pancreatic ductal adenocarcinoma who underwent both preoperative computed tomography (CT) and magnetic resonance imaging (MRI) were assessed by two independent readers...
December 5, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/29221691/characteristics-and-outcomes-of-pediatric-heart-failure-related-emergency-department-visits-in-the-united-states-a-population-based-study
#17
Erika J Mejia, Matthew J O'Connor, Kimberly Y Lin, Lihai Song, Heather Griffis, Christopher E Mascio, Pirouz Shamszad, Aaron Donoghue, Chitra Ravishankar, Robert E Shaddy, Joseph W Rossano
OBJECTIVES: To describe the frequency, characteristics, and outcomes of heart failure-related emergency department (ED) visits in pediatric patients. We aimed to test the hypothesis that these visits are associated with higher admission rates, mortality, and resource utilization. STUDY DESIGN: A retrospective analysis of the Nationwide Emergency Department Sample for 2010 of patients ≤18 years of age was performed to describe ED visits with and without heart failure...
December 6, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/29221474/increased-expression-of-neuregulin-1-in-the-urothelium-of-rat-bladder-with-partial-bladder-outlet-obstruction
#18
Seung Woo Yang, Seong Woo Jeong, Ki Hak Song
BACKGROUND: This study determined whether changes in the expression of neuregulin (NRG) 1, erbB2 tyrosine kinase (ErbB2) and the M2 muscarinic receptor in the urothelium and detrusor muscle of the rat bladder were associated with partial bladder outlet obstruction (PBOO). METHODS: Male Sprague-Dawley rats (body weight 250-300 g) were used and subdivided into control (n = 10) and PBOO groups (n = 20). PBOO was induced for 21 days, and the expression of NRG1, ErbB2 and M2 muscarinic receptor mRNA and protein was evaluated using reverse transcriptase-polymerase chain reaction (RT-PCR) and western blotting, respectively...
December 8, 2017: BMC Urology
https://www.readbyqxmd.com/read/29221469/correction-to-the-role-of-melatonin-in-the-onset-and-progression-of-type-3-diabetes
#19
Juhyun Song, Daniel J Whitcomb, Byeong C Kim
MOLECULAR BRAIN (2017) 10:35 DOI: 10.1186/S13041-017-0315-X: In the original version of this article [1], published on 1 August 2017, Fig. 3 contains a typo. In this Correction the incorrect and correct version of Fig. 3 are shown. - Fig. 3 was originally published like this: - The correct version of Fig. 3 looks like this.
December 8, 2017: Molecular Brain
https://www.readbyqxmd.com/read/29221438/double-catheter-lavage-combined-with-percutaneous-flexible-endoscopic-debridement-for-infected-pancreatic-necrosis-failed-to-percutaneous-catheter-drainage
#20
Pi Liu, Jun Song, Hua-Jing Ke, Nong-Hua Lv, Yin Zhu, Hao Zeng, Yong Zhu, Liang Xia, Wen-Hua He, Ji Li, Xin Huang, Yu-Peng Lei
BACKGROUND: Infected pancreatic necrosis (IPN) is a serious local complication of acute pancreatitis, with high mortality. Minimally invasive therapy including percutaneous catheter drainage (PCD) has become the preferred method for IPN instead of traditional open necrosectomy. However, the efficacy of double-catheter lavage in combination with percutaneous flexible endoscopic debridement after PCD failure is unknown compared with surgical necrosectomy. METHODS: A total of 27 cases of IPN patients with failure PCD between Jan 2014 and Dec 2015 were enrolled in this retrospective cohort study...
December 8, 2017: BMC Gastroenterology
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