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https://www.readbyqxmd.com/read/28545259/identification-of-diacetonamine-from-soybean-curd-residue-as-a-sporulation-inducing-factor-toward-bacillus-spp
#1
Aki Ikeda, Dongyeop Kim, Yasuyuki Hashidoko
Under bioassay-guided investigation, a sporulation-inducing factor (SIF) toward Bacillus spp. was searched for in methanol (MeOH) extracts of soybean curd residues, and diacetonamine (1) was identified as the active compound. SIF was first isolated as a monoacetylated derivative (2, 4.1 mg from 655 g soybean curd residues), and its chemical structure was elucidated by field desorption mass spectrometry, electron ionization mass spectrometry, and nuclear magnetic resonance (NMR) analyses. After 48-h incubation, 40 µM diacetonamine hydrochloride (1b) exhibited sporulation-inducing activity with 35% sporulation frequency toward a Bacillus amyloliquefaciens wild-type strain (AHU 2170), whereas 40 µM diacetone acrylamide (3) showed 99% sporulation induction, which was much higher than that of 1b...
December 2017: AMB Express
https://www.readbyqxmd.com/read/28545231/atmospheric-sampling-on-ascension-island-using-multirotor-uavs
#2
Colin Greatwood, Thomas S Richardson, Jim Freer, Rick M Thomas, A Rob MacKenzie, Rebecca Brownlow, David Lowry, Rebecca E Fisher, Euan G Nisbet
As part of an NERC-funded project investigating the southern methane anomaly, a team drawn from the Universities of Bristol, Birmingham and Royal Holloway flew small unmanned multirotors from Ascension Island for the purposes of atmospheric sampling. The objective of these flights was to collect air samples from below, within and above a persistent atmospheric feature, the Trade Wind Inversion, in order to characterise methane concentrations and their isotopic composition. These parameters allow the methane in the different air masses to be tied to different source locations, which can be further analysed using back trajectory atmospheric computer modelling...
May 23, 2017: Sensors
https://www.readbyqxmd.com/read/28545185/the-ability-of-the-eating-assessment-tool-10-to-detect-aspiration-in-patients-with-neurological-disorders
#3
Selen Serel Arslan, Numan Demir, Hasan E Kılınç, Aynur A Karaduman
Background/Aims: Dysphagia is common in patients with neurological disorders. There is a need to identify patients at risk early by a useful clinical tool to prevent its serious complications. The study aims to determine the ability of the Eating Assessment Tool-10 (EAT-10) to detect aspiration in patients with neurological disorders. Methods: Two hundred fifty-nine patients with neurological disorders who had complaints about swallowing difficulty and referred for a swallowing evaluation were included...
May 24, 2017: Journal of Neurogastroenterology and Motility
https://www.readbyqxmd.com/read/28545176/cement-mantle-thickness-at-the-bone-cement-interface-in-total-knee-arthroplasty-comparison-of-ps150-rp-and-lps-flex-knee-implants
#4
Dong Oh Ko, Song Lee, Kyung Tae Kim, Jae Il Lee, Jin Woo Kim, Seong Min Yi
Purpose: To analyze the thickness of cement mantle at the bone cement interface in knees with closed and open box designs in total knee arthroplasty (TKA). Materials and Methods: Eighty cases of TKA were performed from October 2013 to March 2014. The average age of the patients was 68.4 years. All patients were women and they were divided into two groups: group I with a closed box implant (PS150 RP, n=40) and group II with an open box implant (LPS-Flex, n=40). We measured the cement mantle thickness at the bone cement interface from the distal femur and proximal tibia...
June 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28545172/femoral-nerve-block-versus-adductor-canal-block-for-analgesia-after-total-knee-arthroplasty
#5
REVIEW
In Jun Koh, Young Jun Choi, Man Soo Kim, Hyun Jung Koh, Min Sung Kang, Yong In
Inadequate pain management after total knee arthroplasty (TKA) impedes recovery, increases the risk of postoperative complications, and results in patient dissatisfaction. Although the preemptive use of multimodal measures is currently considered the principle of pain management after TKA, no gold standard pain management protocol has been established. Peripheral nerve blocks have been used as part of a contemporary multimodal approach to pain control after TKA. Femoral nerve block (FNB) has excellent postoperative analgesia and is now a commonly used analgesic modality for TKA pain control...
June 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28545160/-99m-tc-labeled-ngr-chlorambucil-conjugate-99m-tc-hynic-clb-c-ngr-for-targeted-chemotherapy-and-molecular-imaging
#6
Kusum Vats, Drishty Satpati, Rohit Sharma, Chandan Kumar, Haladhar D Sarma, Ashutosh Dash
Targeted delivery of chemotherapeutic drug at the tumor site enhances the efficacy with minimum systemic exposure. Towards this drugs conjugated with peptides having affinity towards a particular molecular target are recognized as affective agents for targeted chemotherapy. Thus in the present study tumor homing NGR peptide ligand was conjugated to DNA alkylating nitrogen mustard, chlorambucil (CLB). The peptide drug conjugate (PDC), CLB-c(NGR) was radiolabeled with (99m) Tc-HYNIC core to trace its pharmacokinetics and biodistribution pattern...
May 25, 2017: Journal of Labelled Compounds & Radiopharmaceuticals
https://www.readbyqxmd.com/read/28545139/an-example-of-host-plant-expansion-of-host-specialized-aphis-gossypii-glover-in-the-field
#7
Dao-Wu Hu, Shuai Zhang, Jun-Yu Luo, Li-Min Lü, Jin-Jie Cui, Xiao Zhang
The host plant expansion of host-specialized Aphis gossypii (Glover) has been well studied in the laboratory; however, this phenomenon is poorly understood in the field. Here, we provide a series of laboratory and field experiments to assess the role of zucchini in the host plant expansion of cotton-specialized aphids. We observed that cotton-specialized aphids possessed the ability to expand on a new host plant (cucumber), with individuals first recorded on June 12 and consequently increasing exponentially in number in a field cage...
2017: PloS One
https://www.readbyqxmd.com/read/28545107/predictive-factors-of-right-paraesophageal-lymph-node-metastasis-in-papillary-thyroid-carcinoma-single-center-experience-and-meta-analysis
#8
Young Min Park, Sang Min Lee, Dong Won Kim, Sung-Chan Shin, Byung-Joo Lee
BACKGROUND: We performed this retrospective study to identify predictors of right paraesophageal lymph node metastasis, and reviewed previous studies related to this topic. METHODS: Between June 2005 and March 2015, 1107 patients were diagnosed with papillary thyroid carcinoma and underwent surgery at Pusan National University Hospital. RESULTS: Right paraesophageal lymph node metastasis was observed in 171 (15.4%) patients. Multivariate analyses showed that the risk of right paraesophageal metastasis was significantly associated with tumor size, location, a higher number of metastatic central lymph nodes, and lateral lymph node metastasis...
2017: PloS One
https://www.readbyqxmd.com/read/28545098/survival-and-prognostic-factors-for-patients-with-advanced-hepatocellular-carcinoma-after-stereotactic-ablative-radiotherapy
#9
Cheng-Hsiang Lo, Jen-Fu Yang, Ming-Yueh Liu, Yee-Min Jen, Chun-Shu Lin, Hsing-Lung Chao, Wen-Yen Huang
OBJECTIVE: To evaluate the survival outcomes and prognostic factors of patients with advanced hepatocellular carcinoma (HCC) who underwent stereotactic ablative radiotherapy (SABR). METHODS: This retrospective study evaluated patients with advanced HCC who underwent SABR between December 2007 and July 2015. All patients had Barcelona Clinic Liver Cancer stage C disease and Child-Turcotte-Pugh (CTP) class A-B function. In-field control (IFC), overall survival (OS), prognostic factors, and toxicity were evaluated...
2017: PloS One
https://www.readbyqxmd.com/read/28545084/feasibility-study-of-tspo-quantification-with-18f-feppa-using-population-based-input-function
#10
Rostom Mabrouk, Antonio P Strafella, Dunja Knezevic, Christine Ghadery, Romina Mizrahi, Avideh Gharehgazlou, Yuko Koshimori, Sylvain Houle, Pablo Rusjan
PURPOSE: The input function (IF) is a core element in the quantification of Translocator protein 18 kDa with positron emission tomography (PET), as no suitable reference region with negligible binding has been identified. Arterial blood sampling is indeed needed to create the IF (ASIF). In the present manuscript we study individualization of a population based input function (PBIF) with a single arterial manual sample to estimate total distribution volume (VT) for [18F]FEPPA and to replicate previously published clinical studies in which the ASIF was used...
2017: PloS One
https://www.readbyqxmd.com/read/28545080/computerized-margin-and-texture-analyses-for-differentiating-bacterial-pneumonia-and-invasive-mucinous-adenocarcinoma-presenting-as-consolidation
#11
Hyun Jung Koo, Mi Young Kim, Ja Hwan Koo, Yu Sub Sung, Jiwon Jung, Sung-Han Kim, Chang-Min Choi, Hwa Jung Kim
Radiologists have used margin characteristics based on routine visual analysis; however, the attenuation changes at the margin of the lesion on CT images have not been quantitatively assessed. We established a CT-based margin analysis method by comparing a target lesion with normal lung attenuation, drawing a slope to represent the attenuation changes. This approach was applied to patients with invasive mucinous adenocarcinoma (n = 40) or bacterial pneumonia (n = 30). Correlations among multiple regions of interest (ROIs) were obtained using intraclass correlation coefficient (ICC) values...
2017: PloS One
https://www.readbyqxmd.com/read/28545035/novel-ppar%C3%AE-agonist-mhy553-alleviates-hepatic-steatosis-by-increasing-fatty-acid-oxidation-and-decreasing-inflammation-during-aging
#12
Seong Min Kim, Bonggi Lee, Hye Jin An, Dae Hyun Kim, Kyung Chul Park, Sang-Gyun Noh, Ki Wung Chung, Eun Kyeong Lee, Kyung Mok Kim, Do Hyun Kim, Su Jeong Kim, Pusoon Chun, Ho Jeong Lee, Hyung Ryong Moon, Hae Young Chung
Hepatic steatosis is frequently observed in obese and aged individuals. Because hepatic steatosis is closely associated with metabolic syndromes, including insulin resistance, dyslipidemia, and inflammation, numerous efforts have been made to develop compounds that ameliorate it. Here, a novel peroxisome proliferator-activated receptor (PPAR) α agonist, 4-(benzo[d]thiazol-2-yl)benzene-1,3-diol (MHY553) was developed, and investigated its beneficial effects on hepatic steatosis using young and old Sprague-Dawley rats and HepG2 cells...
May 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28545024/an-unusual-intragenic-promoter-of-piwil2-contributes-to-aberrant-activation-of-oncogenic-pl2l60
#13
Shan-Shan Liu, Ning Liu, Meng-Yao Liu, Lei Sun, Wu-Yan Xia, Hong-Min Lu, Yu-Jie Fu, Guo-Liang Yang, Juan-Jie Bo, Xiao-Xing Liu, Haizhong Feng, Hailong Wu, Lin-Feng Li, Jian-Xin Gao
PIWIL2-like (PL2L) protein 60 (PL2L60), a product of aberrantly activated PIWIL2 gene, is widely expressed in various types of tumors and may promote tumorigenesis. However, the mechanisms underlying the activation of expression of PL2L60 remain unknown. In this study, an intragenic promoter responsible for the activation of PL2L60 within the human PIWIL2 gene has been identified, cloned and characterized. The promoter of PL2L60 is located in the intron 10 of the host gene PIWIL2. Bioinformatic and mutagenic analysis reveals that this intragenic promoter within the sequence of 50 nucleotides contains two closely arranged cis-acting elements specific for the hepatic leukemia factor (HLF) in the positive strand and signal transducer and activator of transcription 3 (STAT3) in the negative strand...
May 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28544987/a-high-efficiency-denitrification-bioreactor-for-the-treatment-of-acrylonitrile-wastewater-using-waterborne-polyurethane-immobilized-activated-sludge
#14
Honghong Dong, Wei Wang, Zhaozheng Song, Hao Dong, Jianfeng Wang, Shanshan Sun, Zhongzhi Zhang, Ming Ke, Zhenjia Zhang, Wei-Min Wu, Guangqing Zhang, Jie Ma
The performance of a laboratory-scale, high-efficiency denitrification bioreactor (15L) using activated sludge immobilized by waterborne polyurethane in treating acrylonitrile wastewater with high concentration of nitrate nitrogen (249mg/L) was investigated. The bioreactor was operated at 30°C for 220days. Batch denitrification experiments showed that the optimal operation parameters were C/NO3(-)-N molar ratio of 2.0 using sodium acetate as electron donor and carrier filling rate of 20% (V/V) in the bioreactor...
May 5, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28544943/prevalence-of-nonsuicidal-self-injury-and-its-risk-and-protective-factors-among-adolescents-in-taiwan
#15
Min-Pei Lin, Jianing You, Yaxuan Ren, Jo Yung-Wei Wu, Wei-Hsuan Hu, Cheng-Fang Yen, Xu Zhang
The present study aimed to investigate the prevalence of nonsuicidal self-injury (NSSI) in a large representative sample of secondary school students and identified the psychosocial risk and protective factors. Using a cross-sectional design, 2170 participants were recruited from senior high schools throughout Taiwan using both stratified and cluster sampling. The one-year prevalence of NSSI was found to be 20.1%. Results suggested that compared to non-injurers, episodic self-injurers reported higher levels of neuroticism and openness, while repetitive self-injurers reported higher levels of neuroticism, openness, avoidance/emotion-focused coping, and virtual social support, and lower levels of self-esteem and cognitive reconstruction/problem-focused coping...
May 17, 2017: Psychiatry Research
https://www.readbyqxmd.com/read/28544901/alkaline-electrochemical-advanced-oxidation-process-for-chromium-oxidation-at-graphitized-multi-walled-carbon-nanotubes
#16
Yudong Xue, Shili Zheng, Zhi Sun, Yi Zhang, Wei Jin
Alkaline electrochemical advanced oxidation processes for chromium oxidation and Cr-contaminated waste disposal were reported in this study. The highly graphitized multi-walled carbon nanotubes g-MWCNTs modified electrode was prepared for the in-situ electrochemical generation of HO2(-). RRDE test results illustrated that g-MWCNTs exhibited much higher two-electron oxygen reduction activity than other nanocarbon materials with peak current density of 1.24 mA cm(-2), %HO2(-) of 77.0% and onset potential of -0...
May 20, 2017: Chemosphere
https://www.readbyqxmd.com/read/28544884/a-validated-uhplc-qtof-ms-method-for-quantification-of-metformin-and-teneligliptin-in-rat-plasma-application-to-pharmacokinetic-interaction-study
#17
David Paul, Lingesh Allakonda, Nanjappan Satheeshkumar
In this study a sensitive UHPLC-QTOF-MS method was developed and validated for the quantitation of the metformin (MET) and teneligliptin (TEN) in rat plasma using dapagliflozin as an internal standard (IS). Chromatographic separation were carried out on a Acquity UPLC HSS Cyano column (100mm x 2.1mm, 1.8μm) using gradient mobile phase system consisting of 0.1% formic acid and acetonitrile at a flow rate of 0.4mL/min, within a run time of 6min. Protein precipitation method was used as sample preparation approach...
May 15, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28544881/mammalian-systems-biotechnology-reveals-global-cellular-adaptations-in-a-recombinant-cho-cell-line
#18
Faraaz Noor Khan Yusufi, Meiyappan Lakshmanan, Ying Swan Ho, Bernard Liat Wen Loo, Pramila Ariyaratne, Yuansheng Yang, Say Kong Ng, Tessa Rui Min Tan, Hock Chuan Yeo, Hsueh Lee Lim, Sze Wai Ng, Ai Ping Hiu, Chung Ping Chow, Corrine Wan, Shuwen Chen, Gavin Teo, Gao Song, Ju Xin Chin, Xiaoan Ruan, Ken Wing Kin Sung, Wei-Shou Hu, Miranda Gek Sim Yap, Muriel Bardor, Niranjan Nagarajan, Dong-Yup Lee
Effective development of host cells for therapeutic protein production is hampered by the poor characterization of cellular transfection. Here, we employed a multi-omics-based systems biotechnology approach to elucidate the genotypic and phenotypic differences between a wild-type and recombinant antibody-producing Chinese hamster ovary (CHO) cell line. At the genomic level, we observed extensive rearrangements in specific targeted loci linked to transgene integration sites. Transcriptional re-wiring of DNA damage repair and cellular metabolism in the antibody producer, via changes in gene copy numbers, was also detected...
May 24, 2017: Cell Systems
https://www.readbyqxmd.com/read/28544849/co-catalytic-effects-of-cos2-on-activity-of-mos2-catalyst-for-electrochemical-hydrogen-evolution
#19
Ranjith Bose, Zhenyu Jin, Seokhee Shin, Sungjoon Kim, Sun Young Lee, Yo-Sep Min
MoS2 is a promising material to replace Pt catalyst for electrochemical hydrogen evolution reaction (HER). It is well known that the activity of the MoS2 catalyst in the HER is significantly promoted by doping cobalt atoms. Recently, the Co-Mo-S phase, in which cobalt atoms decorate the edge positions of the MoS2 slabs, has been identified as a co-catalytic phase in the Co-doped MoS2 (Co-MoSx) with a low Co content. Here, we report the effect of the incorporation of cobalt atoms on the chemical state of Co-MoSx catalyst which gives rise to the co-catalytic effect...
May 25, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28544832/percutaneous-antegrade-trans-septal-closure-of-mitral-paravalvular-leak-without-creation-of-an-arteriovenous-wire-loop-in-patients-with-coexistent-mechanical-aortic-valve
#20
Teoman Kilic, Senol Coskun, Kurtulus Karauzum, Sadan Yavuz, Tayfun Sahin
BACKGROUND: Various approaches such as antegrade trans-septal, retrograde transfemoral and transapical techniques have been used to close mitral paravalvular leak (PVL) in patients with an aortic prosthesis. During the implementation of these techniques, an arteriovenous guidewire loop is often created for device delivery. However, passing through a mechanical aortic valve may cause hemodynamic compromise and prolong the procedure. To date, no studies have evaluated antegrade mitral PVL closure without the use of an arteriovenous wire loop in patients with a mechanical aortic prosthesis...
January 2017: Journal of Heart Valve Disease
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