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https://www.readbyqxmd.com/read/28298123/caesium-hydride-ms-caspt2-potential-energy-curves-and-a-1-%C3%AE-%C3%A2-x-1-%C3%AE-absorption-emission-spectroscopy
#1
Ján Škoviera, Pavel Neogrády, Florent Louis, Michal Pitoňák, Ivan Černušák
Correlated ab initio methods (CASPT2 and CCSD(T)) in conjunction with the ANO-RCC basis sets were used to calculate potential energy curves (PECs) of the ground, valence, and Rydberg electronic states of CsH with the inclusion of the scalar relativistic effects. The spectroscopic constants of bound states were calculated from the PECs and compared with previous theoretical and/or available experimental data. Absorption and emission spectra arising from the transition between X(1)Σ(+) and A(1)Σ(+) states were modelled using vibrational and rotational energy levels and corresponding nuclear wave functions obtained via the direct numerical integration of one-dimensional rovibrational Schrödinger equation in the CASPT2/ANO-RCC electronic potentials...
March 14, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28298046/hypofractionated-stereotactic-radiosurgery-a-new-treatment-strategy-for-giant-cavernous-sinus-hemangiomas
#2
Xin Wang, Huaguang Zhu, Jonathan Knisely, Guanghai Mei, Xiaoxia Liu, Jiazhong Dai, Ying Mao, Li Pan, Zhiyong Qin, Enmin Wang
OBJECTIVE Cavernous sinus hemangiomas (CSHs) are rare benign vascular tumors that arise from the dural venous sinuses lateral to the sella. Stereotactic radiosurgery (SRS) has emerged as a principal alternative to microresection for small- and medium-sized CSHs. Resection is a reasonable option for large (3-4 cm in diameter) and giant (> 4 cm in diameter) CSHs. However, management of giant CSHs remains a challenge for neurosurgeons because of the high rates of morbidity and even death that stem from uncontrollable and massive hemorrhage during surgery...
March 10, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28289661/early-experience-with-a-partial-stapled-hemorrhoidopexy-for-treating-patients-with-grades-iii-iv-prolapsing-hemorrhoids
#3
Hyeonseok Jeong, Sunghwan Hwang, Kil O Ryu, Jiyong Lim, Hyun Tae Kim, Hye Mi Yu, Jihoon Yoon, Ju-Young Lee, Hyoung Rae Kim, Young Gil Choi
PURPOSE: Circular stapled hemorrhoidopexy (CSH) is widely used to treat patients with grades III-IV hemorrhoids because of less pain and short hospital stay. However, this procedure is associated with some complications, such as urge to defecate, anal stenosis, staple line dehiscence, abscess and sepsis. To avoid these complications, surgeons perform a partial stapled hemorrhoidopexy (PSH). The aim of this study is to present our early experience with the PSH. METHODS: We retrospectively reviewed the medical records of 58 patients with hemorrhoids who were treated with a PSH at Busan Hang-Un Hospital from January 2016 to June 2016...
February 2017: Annals of Coloproctology
https://www.readbyqxmd.com/read/28262312/development-and-validation-of-an-ultra-performance-liquid-chromatography-method-for-the-determination-of-bis-2-4-di-tert-butylphenyl-phosphate-and-related-extractable-compounds-from-single-use-plastic-films
#4
Christine Ta, Jonathan Bones
A UPLC-UV method is described for the detection of bDtBPP and related breakdown compounds of Irgafos 168 from single-use bioprocessing bag films using a CSH (charged surface hybrid) fluoro phenyl column and UV detection at 220nm. The method limits of detection were between 16μgL(-1) and 60μgL(-1), repeatability was %RSD≤1.8 and linearity was R(2)≥0.9992. The method was applied to an extractables and leachables test of three single-use bioprocessing bag films. bDtBPP and oxidised Irgafos were detected from all three films in the extractables study, but not in the leachables study...
February 27, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28223387/activity-of-sanguinarine-against-candida-albicans-biofilms
#5
Hua Zhong, Dan-Dan Hu, Gan-Hai Hu, Juan Su, Shuang Bi, Zhuo-Er Zhang, Zheng Wang, Ri-Li Zhang, Zheng Xu, Yuan-Ying Jiang, Yan Wang
C. albicans biofilms show resistance to many clinical antifungal agents, and play a considerable contributing role in the process of C. albicans infections. New antifungal agents against C. albicans biofilms are sorely needed. The aim of this study was to evaluate sanguinarine (SAN) for its activity against Candida albicans biofilms and explore the underlying mechanism. The MIC50 of SAN was 3.2 μg/mL. While ≥ 0.8 μg/mL SAN could suppress C. albicans biofilms. Further mechanism study revealed that ≥ 0...
February 21, 2017: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28217168/idiopathic-bilateral-chronic-subdural-hematoma-with-left-internal-carotid-artery-infarct-in-a-3-months-infant-a-rare-case-report
#6
Mahesh Kumar, Krishan Yadav, Saurabh Kumar Verma, Vikas Maheshwari
Spontaneous chronic subdural hematoma (CSH) in infants is extremely rare. A very limited number of cases are known and reported in literature. The clinical presentation can be myriad varying from asymptomatic cases to gross neurological deficits. We report a case of a 3-month-old child who presented to us with repeated episodes of focal seizures of the left upper and lower limb of 1 month duration. Subsequent imaging revealed bilateral CSH (right > left) with left internal carotid artery infarct and midline shift to left by 8 mm...
October 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/28211911/three-dimensional-printing-of-calcium-sulfate-and-mesoporous-bioactive-glass-scaffolds-for-improving-bone-regeneration-in-vitro-and-in-vivo
#7
Xin Qi, Peng Pei, Min Zhu, Xiaoyu Du, Chen Xin, Shichang Zhao, Xiaolin Li, Yufang Zhu
In the clinic, bone defects resulting from infections, trauma, surgical resection and genetic malformations remain a significant challenge. In the field of bone tissue engineering, three-dimensional (3D) scaffolds are promising for the treatment of bone defects. In this study, calcium sulfate hydrate (CSH)/mesoporous bioactive glass (MBG) scaffolds were successfully fabricated using a 3D printing technique, which had a regular and uniform square macroporous structure, high porosity and excellent apatite mineralization ability...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28195905/value-of-intratumoral-metabolic-heterogeneity-and-quantitative-18f-fdg-pet-ct-parameters-to-predict-prognosis-in-patients-with-hpv-positive-primary-oropharyngeal-squamous-cell-carcinoma
#8
Esther Mena, Mehdi Taghipour, Sara Sheikhbahaei, Abhinav K Jha, Arman Rahmim, Lilja Solnes, Rathan M Subramaniam
OBJECTIVE: The aim of this study was to evaluate the impact of intratumoral metabolic heterogeneity and quantitative FDG PET/CT imaging parameters for predicting patient outcomes in primary oropharyngeal squamous cell cancer (OPSCC). PATIENTS AND METHODS: We retrospectively investigated 105 patients with HPV-positive OPSCC. SUVmax and metabolic tumor volume (MTV) were measured for the primary tumors and when available for the metastatic sites. Primary tumor intratumoral metabolic heterogeneity was calculated as the area under a cumulative SUV volume histograms curve (AUC-CSH)...
February 13, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28188936/cultivation-of-podospora-anserina-on-soybean-hulls-results-in-an-efficient-enzyme-cocktail-for-plant-biomass-hydrolysis
#9
Miia R Mäkelä, Ourdia Bouzid, Diogo Robl, Harm Post, Mao Peng, Albert Heck, Maarten Altelaar, Ronald P de Vries
The coprophilic ascomycete fungus Podospora anserina was cultivated on three different plant biomasses, i.e. cotton seed hulls (CSH), soybean hulls (SBH) and acid-pretreated wheat straw (WS) for four days, and the potential of the produced enzyme mixtures was compared in the enzymatic saccharification of the corresponding lignocellulose feedstocks. The enzyme cocktail P. anserina produced after three days of growth on SBH showed superior capacity to release reducing sugars from all tested plant biomass feedstocks compared to the enzyme mixtures from CSH and WS cultures...
February 7, 2017: New Biotechnology
https://www.readbyqxmd.com/read/28149172/yield-size-nutritional-value-and-antioxidant-activity-of-oyster-mushrooms-grown-on-perilla-stalks
#10
Huizhen Li, Zhijun Zhang, Mengxue Li, Xiaojun Li, Ziwen Sun
Perilla is an edible medical plant with rapidly increasing acreage in China. In this study, we investigated the potential of perilla stalks (PSs) as an alternative substrate for the cultivation of oyster mushrooms (Pleurotus ostreatus). P. ostreatus was cultivated on cottonseed hulls (CSH) alone or mixed with PSs in different ratios. The production parameters, physical characteristics, nutritional values, and antioxidant activity of mushrooms cultivated on different substrate mixtures were determined. The addition of PSs to CSH significantly improved the growth rate, yield, biological efficiency, and proximate composition and shortened the cultivation cycle...
February 2017: Saudi Journal of Biological Sciences
https://www.readbyqxmd.com/read/28130889/bioactive-tricalcium-silicate-alginate-composite-bone-cements-with-enhanced-physicochemical-properties
#11
Chen Xu, Xiaoya Wang, Jie Zhou, Zhiguang Huan, Jiang Chang
Previous studies have shown that tricalcium silicate bone cements possess good bioactivity and appropriate degradation rate. However, they also showed some weaknesses such as poor washout resistance, formability and injectability, which have seriously hindered their clinical applications. The purpose of this study was to develop a new type of bone cements-tricalcium silicate/sodium alginate (C3 S/SA) composites by utilizing the interaction of Ca ions with SA molecules, in which an interpenetrating double-network of calcium hydrate silicate (CSH) and alginate hydrogel was formed to enhance the washout resistance, formability, injectability and compressive strength of C3 S...
January 27, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28122340/the-impact-of-intratumoral-metabolic-heterogeneity-on-postoperative-recurrence-and-survival-in-resectable-esophageal-squamous-cell-carcinoma
#12
Xinzhe Dong, Xiaorong Sun, Xianguang Zhao, Wanqi Zhu, Lu Sun, Yong Huang, Wenwu Li, Honglin Wan, Ligang Xing, Jinming Yu
OBJECTIVE: To evaluate the impact of intratumoral metabolic heterogeneity measured by 18F-FDG PET imaging on postoperative recurrence and survival for patients with esophageal squamous cell carcinoma (ESCC). RESULTS: AUC-CSH, metabolic tumor volume and pN-stage were significant prognostic factors for RFS. Additionally, tumor recurrence of the low AUC-CSH group (≤ 0.478) was 3 times higher than high group (P = 0.015). The median OS of patients with advanced AJCC stage or low AUC-CSH was also significantly shorter than that of patients with stage I & II or high AUC-CSH (P = 0...
January 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28106344/fast-separation-of-flavonoids-by-supercritical-fluid-chromatography-using-a-column-packed-with-a-sub-2%C3%A2-%C3%AE-m-particle-stationary-phase
#13
Bo Wang, Xiao-Hua Liu, Wei Zhou, Yan Hong, Shi-Lan Feng
The purpose of this study was to compare the effects of different chromatographic columns for the separation of seven flavonoids. Four different stationary phases are available, including bridged ethyl hybrid, BEH and the same hybrid phase modified with 2-ethylpyridine, CSH fluorophenyl, and HSS C18 SB. The analytes included calycosin, genistein, medicarpin, calycosin-7-O-β-d-glucoside, formononetin, formononetin-7-O-β-d-glucoside, and liquiritigenin. The CSH fluorophenyl column was determined to be the most suitable and provided the fastest separation within 17 min using gradient elution with carbon dioxide as the mobile phase and methanol as the co-solvent...
March 2017: Journal of Separation Science
https://www.readbyqxmd.com/read/28091789/comparative-investigation-on-a-hexane-degrading-strain-with-different-cell-surface-hydrophobicities-mediated-by-starch-and-chitosan
#14
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
#15
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
#16
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
#17
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...
March 2017: Obesity Surgery
https://www.readbyqxmd.com/read/27987946/lactoferrin-coated-polysaccharide-nanoparticles-based-on-chitosan-hydrochloride-hyaluronic-acid-peg-for-treating-brain-glioma
#18
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
#19
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
#20
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
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