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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 ...
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 ...
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 ...
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 ...
Teli M D - - 2013
Oil spill leaves detrimental effects on the environment, living organisms and economy. In the present work, an attempt is made to provide an efficient, easily deployable method of cleaning up oil spills and recovering of the oil. The work reports the use of banana fibres which were acetylated for oil ...
Sonia A - - 2013
Cellulose is the most abundant biomass material in nature and finds a range of application. Cellulose microfibers were extracted from Hibiscus sabdariffa fibers by steam explosion technique. Structural and surface analysis of the microfibers showed a reduction in diameter and changes in surface morphology from that of the raw fibers. ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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. ...
Matanić Dubravka - - 2012
Primary chondrosarcoma is a rare malignant tumor. The five types of chondrosarcomas are: central, peripheral, mesenchymal, differentiated and clear cell. The classic chondrosarcomas are central (arising within a bone) or peripheral (arising from the surface of a bone). We describe a patient with central chondrosarcoma of the humerus who underwent ...
Chen Xinglong - - 2012
Traditional ochratoxin A(OTA) competitive antigen are high toxicity, high price and difficult preparation. Non-toxic and easy prepared OTA competitive antigen substitutes were expressed by recombinant filamentous phage which have OTA mimotope displayed on its p VI surface. Recombinant phagemid pC89-COTA which contain OTA mimotope nucleotide sequence was constructed. Moreover, to ...
Kujundzić Milodar - - 2012
Water influences skin inflammation of the external auditory canal. The common term for this illness is "swimmer's ear". Contributory factors are length of exposure to water, type of water and water pollution. The aim of the study was to compare risks for contracting the disease between patients with different exposure ...
Olujić Maja - - 2012
Retinopathy of prematurity is a disease of the eye, i.e. the retinal blood vessels, which occurs exclusively in premature infants. The level of blindness in one country depends on the level of development of neonatal care and the opportunities to implement screening. The aim of this study was to examine ...
Zhang Jia-Yu - - 2012
To overcome the defects of current research methods of natural products, an LC-MS-DS that consisted of more than 600 natural products was constructed with HPLC-ESI-IT-MS/MS. The database searching results of LC-MS-DS were validated to be reliable, which indicated that LC-MS-DS could be successfully applied for the effective identification and target ...
Wang Zhongxia - - 2012
To study the influence of soysaponins on blood lipid and grume of the rats. According to their levels of cholesterol in serum and weight, 48 SD healthy male rats were randomly divided into groups, normal control, high fat control, high fat with 10 mg/kg aspirin, high fat with soyasaponins (20, ...
Bobić Jasminka - - 2012
Vegetarian diets attract more and more attention due to growing concerns about health, ecology and/or animal welfare in general population. The main purpose of this paper was to examine whether vegetarianism could be associated with some specific personality characteristics, with the emphasis on the main motivational factors which determined acquiring ...
Yao Jian-Wen - - 2012
Sorafenib, the first oral multikinase inhibitor, can inhibit several kinases involved in tumor proliferation and angiogenesis including Raf, VEGFR, PDGFR, kit and so on. Due to the advantages of multi-mechanisms, broad-spectrum anticancer potency, and well-tolerated results in combination trials, more and more researchers have focused on the optimization of sorafenib ...
Persec Zoran - - 2012
Tumors that grow within the adrenal medulla are called pheochromocytoma; when located extra-adrenal, they are called paraganglioma. Paraganglioma of the bladder are very rare, with only 180 reported cases. Less than 30 were malignant. We report a case of a 72-years old man with bladder paraganglioma who presented with painless ...
Zhang An-Qiang - - 2013
A novel water-soluble polysaccharide named PGPB-1, with a molecular weight of 1.3×10(4)Da as determined by high-performance liquid chromatography (HPLC), was isolated from the fruiting bodies of Pleurotus geesteranus by boiling water as well as DEAE-Sepharose Fast Flow and High-Resolution Sephacryl S-300. On the bases of compositional analysis, methylation analysis and ...
Ostojić Rajko - - 2012
The main aim of the research done in this paper was to establish key challenges and perspectives for health care development in the Republic of Croatia in the next two decades. Empirical research was conducted in the form of semi-structured interviews involving 49 subjects, representatives of health care professionals from ...
Dobrila-Dintinjana Renata - - 2012
Pancreatic cancer is the fourth leading cause of cancer death overall. The factors that favor the development of pancreatic cancer can be divided into hereditary and acquired. Cancerogenesis is best explained by a "multi-hit" hypothesis, charcterized with the developmental sequence of cellular mutatitions, forcing mutant cell to inappropriate proliferation and ...
Cheng Lan - - 2012
To evaluate the applicative value of computer assisted navigation system in endoscopic sinus and skull base surgery. Forty-nine endoscopic surgery procedures were performed with the help of computer assisted navigation system, among which there were 25 cases of recurrent sinusitis and nasal polyps, 9 cases of nasal and sinus tumour, ...
Li Xiangting - - 2012
To investigate the separate and combined toxic effects of di-2-ethylhexylphthalate (DEHP) and cypermethrin (CYP) on prepubertal male rats. A total of 24 healthy 3-week-old SPF male Sprague-Dawley rats were randomly divided into four groups. They were control group (fed with corn oil), DEHP group (500 mg/kg, dissolved in corn oil), ...
Brzak Bozana Loncar - - 2012
The aim of this retrospective study was to determine the frequency and malignant transformation rate of oral lichen planus and leukoplakia in a large group of oral medicine patients. Study included 12 508 patients who were referred between 1998 and 2007 to the Department of Oral Medicine. The frequency of ...
Orozco Giraldo John Jairo - - 2012
In order to compare the cost and to find the cost-effectiveness ratio of 0.5 mg/day entecavir versus pegylated interferon in the suppression of the viral replication and the quality of life of chronic hepatitis B patients based on a previously developed economic evaluation by Spackman y Veenstra, we performed, previous ...
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