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https://www.readbyqxmd.com/read/28091789/comparative-investigation-on-a-hexane-degrading-strain-with-different-cell-surface-hydrophobicities-mediated-by-starch-and-chitosan
#1
Dong-Zhi Chen, Ning-Xin Jiang, Jie-Xu Ye, Zhuo-Wei Cheng, Shi-Han Zhang, Jian-Meng Chen
Bioremediation usually exhibits low removal efficiency toward hexane because of poor water solubility, which limits the mass transfer rate between the substrate and microorganism. This work aimed to enhance the hexane degradation rate by increasing cell surface hydrophobicity (CSH) of the degrader, Pseudomonas mendocina NX-1. The CSH of P. mendocina NX-1 was manipulated by treatment with starch and chitosan solution of varied concentrations, reaching a maximum hydrophobicity of 52%. The biodegradation of hexane conformed to the Haldane inhibition model, and the maximum degradation rate (ν max) of the cells with 52% CSH was 0...
January 14, 2017: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28073419/-the-2016-annual-meeting-of-chinese-society-of-hepatology-the-3rd-forum-of-youngth-committee-of-csh-the-6th-conference-of-the-china-indonesia-joint-international-symposium-on-hepatobiliary-medicine-and-surgery-6th-cishms
#2
Z P Duan, Y Chen, S J Zheng, L Zhou, M Liu, H B Shi, L Bai
No abstract text is available yet for this article.
December 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28062700/intravital-imaging-of-neutrophil-recruitment-reveals-the-efficacy-of-fpr1-blockade-in-hepatic-ischemia-reperfusion-injury
#3
Masaki Honda, Takayuki Takeichi, Shintaro Hashimoto, Daiki Yoshii, Kaori Isono, Shintaro Hayashida, Yuki Ohya, Hidekazu Yamamoto, Yasuhiko Sugawara, Yukihiro Inomata
Neutrophils are considered responsible for the pathophysiological changes resulting from hepatic ischemia-reperfusion (I/R) injury, which is a complication of trauma, shock, liver resection, and transplantation. Recently, evidence is accumulating that formyl-peptide receptor (FPR) signaling constitutes an important danger signal that guides neutrophils to sites of inflammation. This study aimed to investigate dynamic neutrophil recruitment using two-photon laser-scanning microscopy (TPLSM) in response to FPR1 blockade during hepatic I/R...
January 6, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28035523/gastric-wall-thickness-and-the-choice-of-linear-staples-in-laparoscopic-sleeve-gastrectomy-challenging-conventional-concepts
#4
Yasmin Abu-Ghanem, Chanan Meydan, Lior Segev, Moshe Rubin, Orit Blumenfeld, Hadar Spivak
BACKGROUND: Little evidence is available on the choice of linear staple reloads in laparoscopic sleeve gastrectomy (LSG). Previous literature recommends matching closed staple height (CSH) to tissue-thickness (TT) to avoid ischemia. Our objective was to examine feasibility and safety of "tight" hemostatic (CSH/TT <1) stapling and map the entire gastric wall TT in LSG patients. METHODS: Prospectively collected outcomes on 202 consecutive patients who underwent LSG with tight order of staples (Ethicon Endosurgery) in this order: pre-pylorus-black (CSH = 2...
December 29, 2016: Obesity Surgery
https://www.readbyqxmd.com/read/27987946/lactoferrin-coated-polysaccharide-nanoparticles-based-on-chitosan-hydrochloride-hyaluronic-acid-peg-for-treating-brain-glioma
#5
Yurui Xu, Sajid Asghar, Liu Yang, Hongying Li, Zhilin Wang, Qineng Ping, Yanyu Xiao
Curcuminoid (Cur) loaded polysaccharide nanoformulations with blood-brain barrier (BBB) penetration and brain targeting properties, based on hyaluronic acid (HA) and chitosan hydrochloride (CSH) (Lf-Cur-PSNPs) were developed as a novel delivery system for malignant glioma. Formulations were investigated for physicochemical characteristics, cytotoxicity, uptake, and BBB penetration. The results showed that LfM-Cur-PSNPs (concentration of Lf was 0.5mg/mL) were preferentially taken up by brain capillary endothelial cells than Cur-PSNPs at any time...
February 10, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/27916806/antifungal-activity-of-oleuropein-against-candida-albicans-the-in-vitro-study
#6
Nataša Zorić, Nevenka Kopjar, Ivan Bobnjarić, Igor Horvat, Siniša Tomić, Ivan Kosalec
In the present study we investigated activity of oleuropein, a complex phenol present in large quantities in olive tree products, against opportunistic fungal pathogen Candida albicans. Oleuropein was found to have in vitro antifungal activity with a minimal inhibitory concentration (MIC) value of 12.5 mg·mL(-1). Morphological changes in the nuclei after staining with fluorescent DNA-binding dyes revealed that apoptosis was a primary mode of cell death in the analyzed samples treated with subinhibitory concentrations of oleuropein...
November 28, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27915337/quercetin-assists-fluconazole-to-inhibit-biofilm-formations-of-fluconazole-resistant-candida-albicans-in-in-vitro-and-in-vivo-antifungal-managements-of-vulvovaginal-candidiasis
#7
Mei Gao, Hui Wang, LiJuan Zhu
BACKGROUND: Vulvovaginal candidiasis (VVC) is a common gynecological disease. Candida albicans is believed to be mainly implicated in VVC occurrence, the biofilm of which is one of the virulence factors responsible for resistance to traditional antifungal agents especially to fluconazole (FCZ). Quercetin (QCT) is a dietary flavonoid and has been demonstrated to be antifungal against C. albicans biofilm. METHODS: 17 C. albicans isolates including 15 clinical ones isolated from VVC patients were employed to investigate the effects of QCT and/or FCZ on the inhibition of C...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27852826/what-can-secondary-school-students-teach-educators-and-school-nurses-about-student-engagement-in-health-promotion-a-scoping-review
#8
Amy J Beck, Sandra M Reilly
Student engagement represents a critical component of a comprehensive school health (CSH) approach to health promotion. Nevertheless, questions remain about its implementation. This scoping review updates the field of student engagement in health promotion. Of the 1,388 located articles, 14 qualify for inclusion in this study. An analysis reveals four themes. CSH programs that incorporate student engagement promote a sense of belonging to a community, encourage meaningful involvement, give voice to student concerns, and advance supportive relationships...
November 16, 2016: Journal of School Nursing: the Official Publication of the National Association of School Nurses
https://www.readbyqxmd.com/read/27833161/12-months-metabolic-changes-among-gender-dysphoric-individuals-under-cross-sex-hormone-treatment-a-targeted-metabolomics-study
#9
Matthias K Auer, Alexander Cecil, Yasmin Roepke, Charlotte Bultynck, Charlotte Pas, Johannes Fuss, Cornelia Prehn, Rui Wang-Sattler, Jerzy Adamski, Günter K Stalla, Guy T'Sjoen
Metabolomic analyses in epidemiological studies have demonstrated a strong sexual dimorphism for most metabolites. Cross-sex hormone treatment (CSH) in transgender individuals enables the study of metabolites in a cross-gender setting. Targeted metabolomic profiling of serum of fasting transmen and transwomen at baseline and following 12 months of CSH (N = 20/group) was performed. Changes in 186 serum metabolites and metabolite ratios were determined by targeted metabolomics analysis based on ESI-LC-MS/MS...
November 11, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27819858/18f-fdg-pet-ct-metabolic-tumor-volume-and-intratumoral-heterogeneity-in-pancreatic-adenocarcinomas-impact-of-dual-time-point-and-segmentation-methods
#10
Esther Mena, Sara Sheikhbahaei, Mehdi Taghipour, Abhinav K Jha, Esther Vicente, Jennifer Xiao, Rathan M Subramaniam
OBJECTIVES: We aimed to determine the consistency of quantitative PET measurements of metabolic tumor volume (MTV) and intratumoral heterogeneity index for primary untreated pancreatic adenocarcinomas, when using dual-time point F-FDG PET/CT imaging. METHODS: This is an institutional review board-approved, retrospective study including 71 patients with pancreatic adenocarcinoma, who underwent dual-time point F-FDG PET/CT imaging, at approximately 1 hour (early) and 2 hours (delayed), after injection...
January 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27806692/essential-conditions-for-the-implementation-of-comprehensive-school-health-to-achieve-changes-in-school-culture-and-improvements-in-health-behaviours-of-students
#11
Kate E Storey, Genevieve Montemurro, Jenn Flynn, Marg Schwartz, Erin Wright, Jill Osler, Paul J Veugelers, Erica Roberts
BACKGROUND: Comprehensive School Health (CSH) is an internationally recognized framework that holistically addresses school health by transforming the school culture. It has been shown to be effective in enhancing health behaviours among students while also improving educational outcomes. Despite this effectiveness, there is a need to focus on how CSH is implemented. Previous studies have attempted to uncover the conditions necessary for successful operationalization, but none have described them in relation to a proven best practice model of implementation that has demonstrated positive changes to school culture and improvements in health behaviours...
November 2, 2016: BMC Public Health
https://www.readbyqxmd.com/read/27805450/elution-of-platinum-from-carboplatin-impregnated-calcium-sulfate-hemihydrate-beads-in-vitro
#12
Rachel J Tulipan, Heidi Phillips, Laura D Garrett, Levent Dirikolu, Mark A Mitchell
OBJECTIVE To characterize the elution of platinum from carboplatin-impregnated calcium sulfate hemihydrate (CSH) beads in vitro. SAMPLE 60 carboplatin-impregnated CSH beads and 9 CSH beads without added carboplatin (controls). PROCEDURES Carboplatin-impregnated CSH beads (each containing 4.6 mg of carboplatin [2.4 mg of platinum]) were placed into separate 10-mL plastic tubes containing 5 mL of PBSS in groups of 1, 3, 6, or 10; 3 control beads were placed into a single tube of PBSS at the same volume. Experiments were conducted in triplicate at 37°C and a pH of 7...
November 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27778478/istamycin-aminoglycosides-profiling-and-their-characterization-in-streptomyces-tenjimariensis-atcc-31603-culture-using-high-performance-liquid-chromatography-with-tandem-mass-spectrometry
#13
Nguyen Huu Hoang, Nguyen Lan Huong, Byul Kim, Jae Kyung Sohng, Yeo Joon Yoon, Je Won Park
A high-performance liquid chromatography with electrospray ionization ion trap tandem mass spectrometry method was developed and validated for the robust profiling and characterization of biosynthetic congeners in the 2-deoxy-aminocyclitol istamycin pathway, from the fermentation broth of Streptomyces tenjimariensis ATCC 31603. Gradient elution on an Acquity CSH C18 column was performed with a gradient of 5 mM aqueous pentafluoropropionic acid and 50% acetonitrile. Sixteen natural istamycin congeners were profiled and quantified in descending order; istamycin A, istamycin B, istamycin A0 , istamycin B0 , istamycin B1 , istamycin A1 , istamycin C, istamycin A2 , istamycin C1 , istamycin C0 , istamycin X0 , istamycin A3 , istamycin Y0 , istamycin B3 , and istamycin FU-10 plus istamycin AP...
December 2016: Journal of Separation Science
https://www.readbyqxmd.com/read/27777763/dietary-stimulation-of-the-endogenous-somatotropic-axis-in-weaner-and-grower-finisher-pigs-using-medium-chain-triglycerides-and-cysteamine-hydrochloride
#14
David W Miller, Zoe Prosser, Edward Y W Chee, Christian F Hansen, Frank R Dunshea, Bruce P Mullan, John R Pluske
BACKGROUND: Three experiments were conducted to examine the overall hypothesis that addition of medium chain triglycerides (MCT) and cysteamine hydrochloride (CSH) into the diets of young and growing pigs would stimulate the endogenous somatotropic axis to improve growth and performance. RESULTS: In Experiment 1, weaner pigs were given either a 5 d dietary supplement of 5 % MCT (n = 8) or a control diet (n = 8). MCT increased the plasma concentration of growth hormone (GH; P < 0...
2016: Journal of Animal Science and Biotechnology
https://www.readbyqxmd.com/read/27775213/cesium-platinide-hydride-4cs2-pt%C3%A2-csh-an-intermetallic-double-salt-featuring-metal-anions
#15
Volodymyr Smetana, Anja-Verena Mudring
With Cs9 Pt4 H a new representative of ionic compounds featuring metal anions can be added to this rare-membered family. Cs9 Pt4 H exhibits a complex crystal structure containing Cs(+) cations, Pt(2-) and H(-) anions. Being a red, transparent compound its band gap is in the visible range of the electromagnetic spectrum and the ionic type of bonding is confirmed by quantum chemical calculations. This cesium platinide hydride can formally be considered as a double salt of the "alloy" cesium-platinum, or better cesium platinide, Cs2 Pt, and the salt cesium hydride CsH according to Cs9 Pt4 H≡4 Cs2 Pt⋅CsH...
November 14, 2016: Angewandte Chemie
https://www.readbyqxmd.com/read/27761859/incentive-effect-of-bentonite-and-concrete-admixtures-on-stabilization-solidification-for-heavy-metal-polluted-sediments-of-xiangjiang-river
#16
Ming Yan, Guangming Zeng, Xiaoming Li, Jianmin He, Guiqiu Chen, Danlian Huang, Lin Tang, Cui Lai, Chang Zhang, Xiaodong Li, Lichao Wang, Zhi Guo, Wei Tao
Solidification is a very effective way to alleviate heavy metal impacts to the environment. In this paper, an improved method was adopted herein for the solidification/stabilization (S/S) of sediments with cement-based additives and low content of cement in S/S materials. Sediments in Xiangjiang River, containing high concentrations of Cu, Cd, and Pb, were solidified/stabilized by binders of cement, fly ash, and bentonite. Admixtures such as sodium lignosulfonate, sodium lauryl sulfate, and triethanolamine were used to improve the bonding properties of S/S, which had never been investigated before...
January 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27760841/loss-of-lamin-b-receptor-is-necessary-to-induce-cellular-senescence
#17
Emilie Lukášová, Aleš Kovarˇík, Alena Bacˇíková, Martin Falk, Stanislav Kozubek
Cellular transition to senescence is associated with extensive chromatin reorganization and changes in gene expression. Recent studies appear to imply an association of lamin B1 (LB1) reduction with chromatin rearrangement in human fibroblasts promoted to senescence, while the mechanisms and structural features of these relationships have not yet been clarified. In this work, we examined the functions of LB1 and the lamin B receptor (LBR) in human cancer cells. We found that both LB1 and LBR tend to deplete during cancer cell transfer to senescence by γ-irradiation...
January 15, 2017: Biochemical Journal
https://www.readbyqxmd.com/read/27704764/synthesis-and-adsorption-properties-of-hierarchically-ordered-nanostructures-derived-from-porous-cao-network
#18
Weijie You, Yali Weng, Xiu Wang, Zanyong Zhuang, Yan Yu
Using the porous framework of CaO as templates and reagents, we explored a surfactant-free and economical method for preparing calcium silicate hydrate (CSH) hierarchically ordered nanostructures. Incorporation of SiO2 nanoparticles into the CaO framework, followed by a reaction assisted by hydrothermal treatment, resulted in the formation of CSH with well-defined morphologies. The structural features of CSH were characterized by 3-D hierarchical networks, wherein nanofibers assembled to form nanosheets, and nanosheets assembled to form hierarchically ordered structures...
December 14, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27668038/properties-of-flavonoids-isolated-from-the-bark-of-eysenhardtia-polystachya-and-their-effect-on-oxidative-stress-in-streptozotocin-induced-diabetes-mellitus-in-mice
#19
Rosa Martha Perez-Gutierrez, Abraham Heriberto Garcia-Campoy, Alethia Muñiz-Ramirez
Six new flavonoids 2',4'-dihydroxychalcone-6'-O-β-d-glucopyranoside (1), α,3,2',4'-tetrahydroxy-4-methoxy-dihydrochalcone-3'-C-β-glucopyranosy-6'-O-β-d-glucopyranoside (2), 7-hydroxy-5,8'-dimethoxy-6'α-l-rhamnopyranosyl-8-(3-phenyl-trans-acryloyl)-1-benzopyran-2-one (3), 6'7-dihydroxy-5,8-dimethoxy-8(3-phenyl-trans-acryloyl)-1-benzopyran-2-one (4), 9-hydroxy-3,8-dimethoxy-4-prenylpterocarpan (5), and α,4,4'-trihydroxydihydrochalcone-2'-O-β-d-glucopyranoside (6) were isolated from bark of Eysenhardtia polystachya...
2016: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/27663276/hydration-behaviors-of-calcium-silicate-based-biomaterials
#20
Yuan-Ling Lee, Wen-Hsi Wang, Feng-Huie Lin, Chun-Pin Lin
BACKGROUND/PURPOSE: Calcium silicate (CS)-based biomaterials, such as mineral trioxide aggregate (MTA), have become the most popular and convincing material used in restorative endodontic treatments. However, the commercially available CS-based biomaterials all contain different minor additives, which may affect their hydration behaviors and material properties. The purpose of this study was to evaluate the hydration behavior of CS-based biomaterials with/without minor additives. METHODS: A novel CS-based biomaterial with a simplified composition, without mineral oxides as minor additives, was produced...
September 20, 2016: Journal of the Formosan Medical Association, Taiwan Yi Zhi
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