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Jirimali Harishchandra Digambar - - 2013
A redox active polymer, hydroquinone modified chitosan (Q-chitosan) was synthesized and characterized by IR and (1)H NMR spectroscopy. The nanocomposite of Q-chitosan with carbon was prepared and used to construct a stable conductive film on the electrode surface. The SEM studies confirms that the Q-chitosan/C composite covers the electrode surface ...
Tanskul Somporn - - 2013
A total of 59 bacterial strains were isolated from ripe fruits and vegetables and tested for their ability to produce cellulose. Only one identified as Rhodococcus sp. MI 2 based on its taxonomic characteristics and 16S rDNA sequence analysis. The glucose was the only product of digestion by cellulase confirmed ...
Hasjim Jovin - - 2013
Starch gelatinization and flour pasting properties were determined and correlated with four different levels of starch structures in rice flour, i.e. flour particle size, degree of damaged starch granules, whole molecular size, and molecular branching structure. Onset starch-gelatinization temperatures were not significantly different among all flour samples, but peak and ...
Prakash Maran J - - 2013
In this study, ultrasound assisted extraction (UAE) conditions on the yield of polysaccharide from corn silk were studied using three factors, three level Box-Behnken response surface design. Process parameters, which affect the efficiency of UAE such as extraction temperature (40-60°C), time (10-30min) and solid-liquid ratio (1:10-1:30g/ml) were investigated. The results ...
Sui Zhongquan - - 2013
Starches from 5 inbred lines of normal maize with different relative average degrees of channelization (RADC) that could be divided into two groups (2 with RADC values of 1.49-1.52 and 3 with RADC values of 0.10-0.17) were reacted with 4 highly reactive reagents. No consistent correlations between RADC and the ...
Chi Nai-Hsin - - 2013
The cardiac repair of myocardial infarction (MI) hearts of rats using chitosan-hyaluronan/silk fibroin (chitosan-HYA/SF) cardiac patches was examined after eight weeks of implantation. Rats with implantations of chitosan-HYA/SF patches (CHS group) significantly (P<0.05) reduced the dilation of the inner diameter of left ventricle (LV) (4.27±0.29mm), increased wall thickness of LV ...
Banerjee Chiranjib - - 2013
Microalgae are small in size with negatively charged surface. They are usually stable in suspension culture and hard to flocculate. The present work emphasizes on the synthesis of cationic guar gum (CGG) by the introduction of quaternary amine groups onto the backbone of guar gum (GG) from N-(3-chloro-2-hydroxypropyl) trimethyl ammonium ...
Yapo Beda M - - 2013
Calcium-mediated gelation of LMP is thought to arise from formation of a dense network of Ca(2+)-cross-linked DMB meeting a required minimum average length along pectin chains. The use of MP containing specific average DMB size (BS¯) types, in the range of 3-100 and in varying proportion (0-100%), has afforded further ...
Khowaja Asif Raza AR Aga Khan University, Karachi, - - 2012
To assess parent's knowledge and perceptions surrounding polio and polio vaccination, self-reported participation in polio supplementary immunization activities (SIAs) targeting children aged < 5 years, and reasons for non-participation. The mixed methods study began with a cross-sectional survey in Karachi, Pakistan. A structured questionnaire was administered to assess parental knowledge ...
Flanagan Sara V SV Lamont-Doherty Earth Observatory, Columbia University, Palisades, NY 10964, - - 2012
A national drinking water quality survey conducted in 2009 furnished data that were used to make an updated estimate of chronic arsenic exposure in Bangladesh. About 20 million and 45 million people were found to be exposed to concentrations above the national standard of 50 µg/L and the World Health ...
Buttorff Christine C Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, - - 2012
To carry out an economic evaluation of a task-shifting intervention for the treatment of depressive and anxiety disorders in primary-care settings in Goa, India. Cost-utility and cost-effectiveness analyses based on generalized linear models were performed within a trial set in 24 public and private primary-care facilities. Subjects were randomly assigned ...
Bowman Sarah S Institute of Health and Society, Newcastle University, Newcastle, - - 2012
Public policy plays a key role in improving population health and in the control of diseases, including non-communicable diseases. However, an evidence-based approach to formulating healthy public policy has been difficult to implement, partly on account of barriers that hinder integrated work between researchers and policy-makers. This paper describes a ...
Barros Francisco C N - - 2013
Seaweeds are considered an important source of bioactive molecules. In this work the marine red alga Gracilaria caudata was submitted to aqueous extraction of their polysaccharides for 2h at 100°C. The polysaccharide fraction (PGC) presented a recovery of 32.8%. The sulfate content of PGC, calculated by S%, is 1±0.2% and ...
Sun Yi - - 2013
A neutral water-soluble polysaccharide (W-NTRP), with a molecular weight of 2.5×10(4)Da, was isolated from the fruit bodies of Trametes robiniophila (Huaier). Gas chromatography (GC) results indicated that W-NTRP was determined to be galactose (Gal), arabinose (Ara) and glucose (Glc), with a relative molar ratio of 4.2:2.5:0.7. Its antitumor and immunomodulatory ...
Wang Yuanfeng - - 2013
High performance gel permeation chromatography (HPGPC), ultraviolet-visible spectra (UV), infrared absorption spectra (IR) and ion chromatography (IC) techniques were used in fingerprint analysis of tea polysaccharides (TPS). Multi-fingerprint was applied to assess TPS consistency and to discriminate other polysaccharides in order to achieve the quality control of TPS. The experimental ...
Lucero María Jesús - - 2013
This study assesses the capacity of a new hydrophobically modified polysaccharide -hydroxypropyl cellulose-methyl methacrylate - to control drug release in semisolid formulations. The dispersed systems contain the new polymer, Igepal(®) CO520 as surfactant and theophylline as model drug at three concentrations (0.5, 1 and 1.5%, w/w). Drug release study shows ...
Zheng Yun-Jiang - - 2013
Astragalus mongholicus polysaccharide (APS) shows various biological activities. Here, we explored the effect of APS on high mobility group protein 1 (HMGB1) -induced endothelial cell permeability. The results indicated APS pretreatment effectively inhibited HMGB1-induced increased permeability in endothelial cells (ECs). Signal transduction studies showed APS inhibited not only the activation ...
Simula Sakari - - 2013
Baroreflex sensitivity (BRS) reflects the effectiveness of cardiac parasympathetic regulation. BRS becomes impaired in stable coronary artery disease (CAD) and after myocardial infarction and carries prognostic information in these patients. Whether impaired BRS is found already in asymptomatic subjects, with subclinical coronary atherosclerosis, has remained elusive. The relationship between BRS ...
Park Soyeon - - 2013
Chitosan-based nanoparticles have been widely used as a carrier for gene delivery due to their low toxicity and the positively charged amino groups in chitosan. In this study, we hypothesized that introduction of nonaarginine to chitosan could improve its ability to form a complex with siRNA, as well as enhance ...
Hashemi Doulabi Azadehsadat - - 2013
The objective of this work was to prepare chitosan/polyethylene glycol fumarate (chitosan/PEGF) blend films as wound dressings and to evaluate the influence of composition ratio on the blending properties of the films. Blending chitosan with PEGF obviated the brittleness of neat chitosan film. Film topography performed by atomic force microscopy ...
Zhang Ke K MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310027, - - 2013
In order to develop stimuli-responsive hydrogel, chitosan graft copolymer with chitosan back-bone and poly(N-isopropylacrylamide)-block-poly(acrylic acid) (PNIPAAm-b-PAA) branch chains was prepared by reversible addition-fragmentation chain transfer (RAFT) polymerization in DMF. The chain transfer agent was obtained by modification of chitosan with 3-benzylsulfanyl thiocarbonylsulfanyl propionic acid (BPATT) with 68% the degree of ...
Cooper Ashleigh A Department of Materials Science & Engineering, University of Washington, Seattle, WA 98195, - - 2013
Nanofibrous membranes have drawn considerable interest for filtration applications due to their ability to withstand high fluid flux while removing micro- and nano-sized particulates from solution. The desire to introduce an antibacterial function into water filter applications presents a challenge to widespread application of fibrous membranes because the addition of ...
Yang Ji Sheng - - 2013
Amphiphilic alginate esters (Alg-C(n)) with different degree of substitution (DS) and hydrophobic alkyl length were synthesized by the reaction between partially protonated sodium alginate and aliphatic alcohols (octanol, dodecanol or hexadecanol) and characterized by conventional methods. The critical micelles concentration (CMC) of Alg-C(n) was determined by measuring the fluorescence intensity ...
Cybulska Justyna - - 2013
In this study, the relation of the nanostructure of cell walls with their texture was investigated for six different apple cultivars. Cell wall material (CWM) and cellulose microfibrils were imaged by atomic force microscope (AFM). The mean diameter of cellulose microfibrils for each cultivar was estimated based on the AFM ...
Bento João Francisco - - 2013
Endosperms from seeds of different subfamilies of Leguminosae were submitted to sequential aqueous and alkaline aqueous extractions. The extractions from species belonging to the Mimosoideae and Faboideae subfamilies yielded galactomannans with constant Man:Gal ratios, whereas the extractions from Caesalpinioideae seeds gave rise to galactomannans with increasing values of the Man:Gal ...
Li Rong - - 2013
The inherent antimicrobial properties and biodegradability of chitosan make it an ideal candidate for antimicrobial materials. In this study, N-halamine precursor 3-glycidyl-5,5-dimethylhydantoin (GH) was synthesized and bonded onto chitosan by a ring opening reaction between chitosan and GH. The chitosan film modified with the N-halamine precursor could be rendered biocidal ...
Valerio Sheila G - - 2013
Invertase (E.C.3.2.1.26) from Saccharomyces cerevisiae was covalently immobilized on chitosan nanoparticles prepared by the ionotropic gelation method and activated with glutaraldehyde. The support was characterized and it was studied its load capacity, the influence of the presence of substrate during immobilization, and determined the biocatalyst kinetic parameters and stabilities. The ...
Qu Ding - - 2013
In this study, a novel amphiphilic copolymer designed as N-octyl-N-phthalyl-3,6-O-(2-hydroxypropyl) chitosan (OPHPC) were synthesized and then conjugated with folic acid (FA-OPHPC) to produce a targeted drug carrier for tumor-specific drug delivery. OPHPC and FA-OPHPC were characterized by FT-IR, (1)H NMR, (13)C NMR and elemental analysis. Paclitaxel (PTX) loaded OPHPC micelles ...
Schleuter Dorothea - - 2013
Marine sponges of the order Verongida form three-dimensional networks of fibrous chitin, which can easily be extracted. In the hydrated state, these networks are flexible, mechanically stable and can be cut or pressed into any desired form. Here, we show for the first time that chitin-based networks of sponge origin ...
Cao Xinwang - - 2013
Cellulose fibers deposited with metallic nanoparticles as one kind of renewable, biocompatible and antimicrobial nanomaterials evoke much interest because of their versatility in various applications. Herein, for the first time, a facile, simple and rapid method was developed to fabricate TEMPO (2,2,6,6-tetramethylpiperidine-1-oxyl radical) selectively oxidized jute fibers in situ deposited ...
El-Gabry L K - - 2013
Nanoparticles have been increasingly used to improve the properties of textile fabrics. Viscose and polyester fabrics are treated with SiO(2) nanoparticle by another technique than the conventional sol-gel method in presence of binder (acrylate based copolymer). The effect of the content of SiO(2) nanoparticle on the physical properties of the ...
Cerclé Claire - - 2013
The emulsification efficacies of a range of compatibilizers for polyethylene/thermoplastic starch blends have been studied and a detailed morphological and mechanical analysis has been conducted. It is shown that polyethylene-maleic anhydride terpolymers containing elastomeric segments provided excellent emulsification of PE/TPS blends with a fine morphology (volume diameter of 1.4μm; number ...
Gunning A P - - 2013
Force spectroscopy has been used to investigate the interaction between the disaccharide β-galactobiose and the pro-metastatic regulatory protein galectin-3 (Gal3). The studies revealed specific interactions characterised by an off-rate dissociation constant k(off)=0.33s(-1) and interaction distance x=0.2nm at zero applied force. These data suggest a lifetime for the interaction of 3.0s. ...
Li Yinhui - - 2013
Reported are the synthesis and characterization of CuS composite nanowires and microspheres in the presence of amylose. The preparation involved first the complexation of amylose with Cu(2+) of CuCl(2) at 70°C. Cu(2+) complexation was confirmed by a conductivity reduction of CuCl(2) after amylose addition. Also, the aggregation state of the ...
Lahaije Anke J M C - - 2013
This prospective study was carried out to investigate if metronome-paced tachypnea (MPT) can serve as an accurate diagnostic tool to identify patients with chronic obstructive pulmonary disease (COPD) who are susceptible to develop dynamic hyperinflation during exercise. Commonly, this is assessed by measuring change in inspiratory capacity (IC) during cardiopulmonary ...
Teklić Ante - - 2012
By using published and unpublished sources from various archival series kept in the Rovinj Heritage Museum, Chapter Archives of Rovinj and the Diocesan Archives of Porec the authors shed new light and present the health and social care system in the city of Rovinj covering the period which goes from ...
Wang Mingming - - 2012
To construct the co-expressing lentivirus vector of human glucocorticoid receptor (GR) beta and green fluorescent protein (GFP). cDNA encoding hGRbeta obtained from the expression library of fetal brain using gene recombinant technology was cloned into pGC-LV by double digests technology. The constructed lentivirus vector of pGC-FU-GRbeta that was confirmed the ...
Dima Guillermo G Servicio de Gastroenterología, Departamento de Medicina Interna, CEMIC Ciudad Autómoma de Buenos Aires, - - 2012
There is growing evidence that a disorder in intestinal microbiota would contribute to the development of symptoms in irritable bowel syndrome (IBS) patients. In a subgroup, a remarkably low hydrogen production in lactulose breath test (LBT) is observed. We presume in these patients a predominance of hydrogen consuming gut flora. ...
Cui Jie - - 2012
To study the genotoxicity of cefuroxime lactone, a kind of impurity in cefuroxime sodium, and to provide experimental basis for the toxicological safety evaluation of cefuroxime sodium. A set of efficient and convenient genetic toxicity tests were used to evaluate the genotoxicity of cefuroxime lactone, focusing on gene mutation, chromosomal ...
Pavicin Ivana Savić - - 2012
The purpose was to define the impact of orthodontic appliances on the density of the underlying dental bone tissue. Radiographic images of teeth were made in 27 study subjects before and twelve months after fixed orthodontic appliances were carried. The radiographs were digitalized and the levels of gray at sites ...
Guo Xixiong - - 2012
This paper reported one patient who was treated through transphenoidal-upslope approach by lateral rhinotomy and the tumor was sucessfully removed. The patient was male of 38 years old. He suffered intermittent headache with blurred vision and left eye outreach disorder for more than a year. The visual inspection showed there ...
Lu Xiaohua - - 2012
To understand the toxicity of nonylphenol on different fish species. Testing the acute toxicity and subchronic toxicity of 4-nonylphenol on Carassius auratus red variety, Grass Carp and Sliver Carp. Counting the number of micronucleus in peripheral blood erythrocytes and detecting the content of 4-nonylphenol accumulated in fish tissue by HPLC. ...
Gasparović Vesna Elvedi - - 2012
The purpose of this study was to determine acceptability of the nucleated red blood cells counts (NRBC) as early prognostic parameter for adverse outcome in preterm neonates born from pregnancies complicated with severe preeclampsia. We analysed 77 premature newborns who were born from pregnancies with severe preeclampsia during eight years ...
Delibegović Samir - - 2012
Laparoscopic appendectomy is one of the simplest laparoscopic procedures, which is gradually becoming the method of choice in treatment of acute appendicitis due to its advantages over open appendectomy. In South-Eastern Europe the use of laparoscopic appendectomy is still very limited although it is a very simple procedure, suitable for ...
Artifon Everson L A - - 2012
The authors report the case of a female patient submitted to endoscopic cholangiography intending to drain the biliary tree due to jaundice. The patient had gastrointestinal deviation due to an advanced gastric cancer that evolved with a distal extrahepatic mass. Abdominal CT scan demonstrated a distal mass, extrahepatic biliary dilation ...
Lins Kézia O A L - - 2013
Alginates are unbranched polymers of polysaccharide presented as the structural components of marine brown algae. The proinflammatory activity of SVHV, an alginate isolated from Sargassum vulgare, was investigated using models of paw edema, mast cells degranulation and neutrophil migration in vivo. SVHV induced a dose dependent paw edema, with a ...
Wu Qin - - 2012
To discuss the age-appropriate hemoglobin cut-offs for anemia screening of women of child-bearing age in China. The authors selected a stratified random sample of 619 women aged 20-45 which from the 2002 China National Nutrition and Health Survey (CNNHS) in 2002. According to a certain concentration gradient of hemoglobin, stratified ...
Novak Katarina - - 2012
The objective of this study is to determine the time elapsed from the onset of pain in patients with AMI to their hospital admission (pain to door time) and fibrinolytic administration (door to needle time). The objective is also to determine whether there is a difference between the frequency of ...
Stojković Tatjana - - 2012
This prospective study was aimed at examining the modification of ultrasound characteristics of psoriatic plaques during desoximetasone and dithranol treatment. The examination included 50 patients with chronic plaque-type psoriasis to whom 0.25% desoximetasone and dithranol was applied on the psoriatic lesions in the period of 21 days. The changes were ...
Fu Xiao-Hua - - 2012
This study is to establish an artificial neural network (ANN) for predicting blood tacrolimus concentration in liver transplantation recipients. Tacrolimus concentration samples (176 samples) from 37 Chinese liver transplantation recipients were collected. ANN established after network parameters were optimized by using momentum method combined with genetic algorithm. Furthermore, the performance ...
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