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Jonathan M Rhodes
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April 18, 2017: QJM: Monthly Journal of the Association of Physicians
Ragavan Gokulakannan, Muralidaran Yuvashree, Sridharan Badrinathan, Nachiappa Ganesh Rajesh, Pragasam Viswanathan
Garlic oil nanoemulsion was formulated using ultrasonic emulsification and the optimized garlic oil nanoemulsion ratio (1:2) of oil: surfactant showed spherical, with tiny droplet size 24.9 ± 1.11 nm. It was observed that the prepared nanoemulsion has the zeta potential of -42.63 ± 1.58 mV and a low polydispersity index of 0.2 ± 0.09 with excellent stability. The formulation was subjected to in vivo acute and sub-acute toxicity. In acute toxicity study, single oral administration of 18.63 ml of garlic oil nanoemulsion/kg resulted in immediate mortality...
April 17, 2017: Food and Chemical Toxicology
J A Resendiz-Vazquez, J A Ulloa, J E Urías-Silvas, P U Bautista-Rosales, J C Ramírez-Ramírez, P Rosas-Ulloa, L González-Torres
The influence of high-intensity ultrasound (HIU) on the technofunctional properties and structure of jackfruit seed protein isolate (JSPI) was investigated. Protein solutions (10%, w/v) were sonicated for 15min at 20kHz to the following levels of power output: 200, 400, and 600W (pulse duration: on-time, 5s; off-time 1s). Compared with untreated JSPI, HIU at 200W and 400W improved the oil holding capacity (OHC) and emulsifying capacity (EC), but the emulsifying activity (EA) and emulsion stability (ES) increased at 400W and 600W...
July 2017: Ultrasonics Sonochemistry
Zeinab Sadat Sheikholeslami, Hamed Salimi-Kenari, Mohammad Imani, Mohammad Atai, Azizollah Nodehi
Carboxymethyl chitosan (CMCh), as a non-toxic, biocompatible and biodegradable semi-synthetic biopolymer with mucoadhesive properties is widely investigated for targeting drug or gene delivery applications. Here, fabrication of CMCh nanoparticles will be reported using a reverse (w/o) micellar system to provide particles with tunable mean sizes. Reverse microemulsions was prepared by dispersing aqueous solution of CMCh in n-hexane using sodium-bis(ethylhexyl)-sulfosuccinate (AOT) and glutaraldehyde (GA) as an emulsifier and a crosslinking agent, respectively...
April 19, 2017: Journal of Microencapsulation
Rumana N Hussain, Jayavani Myneni, Theodor Stappler, David Wong
PURPOSE: To report the efficacy and safety of polydimethyl siloxane (Siluron Xtra®) as an internal tamponade. DESIGN: Audit and adverse event screening of procedures (March 2014-2015). METHODS: Patients who had undergone vitreoretinal procedures with Siluron Xtra® tamponade were retrospectively analysed with respect to anatomical outcome, visual outcomes, and perioperative complications, in particular intraocular pressure. INCLUSION CRITERIA: all patients who had undergone Siluron Xtra® tamponade...
April 19, 2017: Ophthalmologica. Journal International D'ophtalmologie
Shanshan Jiang, Junzhou Ding, Juan Andrade, Taha M Rababah, Ali Almajwal, Mahmoud M Abulmeaty, Hao Feng
The effect of a pH-shifting and ultrasound combined process on the functional properties and structure of pea protein isolate (PPI) was investigated. PPI dispersions were adjusted to pH 2, 4, 10, or 12, treated by power ultrasound for 5min, and incubated for 1h before the sample pH was brought back to neutral. After treatment, water solubility, protein aggregate size, solution turbidity, surface hydrophobicity (Ho), free sulfhydryl content (SH), and sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) of the soluble PPI were determined...
March 28, 2017: Ultrasonics Sonochemistry
Raquel Fernández-García, Esther de Pablo, María Paloma Ballesteros, Dolores R Serrano
Recently an increase in both the prevalence and incidence of invasive fungal infections have been reported. The number of fungal species that can cause systemic mycoses are higher and current antifungal therapies are still far from ideal. The emergence of antifungal resistances has a major clinical impact when using azoles and echinocandins leading to possible treatment failure and ultimately putting the patient's life at risk. Amphotericin B can play a key role in treating severe invasive mycoses as the incidence of antifungal resistance is very low combined with a high efficacy against a wide range of fungi...
April 8, 2017: International Journal of Pharmaceutics
Govindaraj Dev Kumar, Shirley A Micallef
Salmonella enterica subsp. enterica can colonize tomato fruit as it interacts with fruit surface compounds. The exometabolome of tomato fruit contains a mixture of compounds, including fatty acids, which could affect Salmonella fitness. Fatty acids detected in fruit exudates were investigated for Salmonella inhibition. Pelargonic, lauric, myristic, palmitic, margaric, stearic, and oleic acids were suspended in water dissolved in dimethyl sulfoxide (DMSO) or emulsified in water and quillaja saponin to assess how bioavailability impacted Salmonella growth...
February 22, 2017: Foodborne Pathogens and Disease
Anja Schröder, Joris Sprakel, Karin Schroën, Claire C Berton-Carabin
Sub-micron colloidal lipid particles (CLPs) can successfully be used as Pickering stabilizers in oil-in-water (O/W) emulsions, leading to an enhanced physical stability compared to conventional emulsifier-stabilized emulsions. Varying the lipid solid-liquid ratio leads to particles with distinct nanostructure and morphology, resulting in tunable emulsion stabilization performance. Our CLPs are produced by hot high pressure homogenization of high melting point fats in water, and subsequent cooling to induce lipid crystallization...
April 11, 2017: Soft Matter
Honggao Xu, Kedong Tai, Tong Wei, Fang Yuan, Yanxiang Gao
BACKGROUND: Transformation of hot pepper residues to value-added products with concomitant benefits on environmental pollution would be a great value to the capsicum oleoresin manufacturers. Pectin, a soluble dietary fiber with multiple functions, from hot pepper residues was investigated in this study. RESULTS: The extraction of hot pepper pectin was first optimized using response surface methodology (RSM). The most efficient parameters for the maximum hot pepper pectin yield (14...
April 11, 2017: Journal of the Science of Food and Agriculture
Raina Shivashankar, James D Lewis
PURPOSE OF REVIEW: Diet may play both a causal and therapeutic role for inflammatory bowel disease (IBD). Physicians caring for patients with IBD are often asked to make dietary recommendations. However, there are no well-established guidelines on the use of diet as a treatment of IBD. In this review, we describe the evidence supporting diet as a potential cause for IBD, patient-perceived symptoms based on diet, current research on various diets as a treatment for IBD, and areas of future research...
May 2017: Current Gastroenterology Reports
Bernard P Binks, Ioannis Marinopoulos
This paper is concerned with the foaming of a range of fats in the absence of added foaming agent/emulsifier. By controlling the temperature on warming from the solid or cooling from the melt, crystals of high melting triglycerides form in a continuous phase of low melting triglycerides. Such crystal dispersions in oil can be aerated to produce whipped oils of high foamability and extremely high stability. The foams do not exhibit drainage and bubbles neither coarsen nor coalesce as they become coated with solid crystals...
May 2017: Food Research International
Sareh Boostani, Mahmoud Aminlari, Marzieh Moosavi-Nasab, Mehrdad Niakosari, Gholamreza Mesbahi
Hybridization of macromolecules via the Maillard grafting reaction can punctuate specific forms of biopolymers, resulting in novel functionalities. The current study aimed at investigating and optimizing the conjugation of dextran-soy protein isolate (SPI), and to assess how Maillard modification can affect the properties of a spray-dried soy beverage. Analyses of SDS-PAGE, Glycation degree, SEM micrographs and FT-IR spectroscopy confirmed that the best condition for glycosylation operated on a pH value of 8...
April 7, 2017: International Journal of Biological Macromolecules
Jun Dong, Linjie Ding, Zifang Chi, Jiansen Lei, Yan Su
Widespread contamination by nitrobenzene (NB) in sediments and groundwater requires better understanding of the biogeochemical removal process of the pollutant. NB degradation, coupled with dissimilatory iron reduction, is one of the most efficient pollutant removal methods. However, research on NB degradation coupled to indigenous microorganism dissimilatory iron reduction stimulated by electron donors is still experimental. A model for remediation in an actual polluted site does not currently exist. Therefore, in this study, the dynamics was derived from the Michaelis-Menten model (when the mass ratio of emulsified vegetable oil and NB reached the critical value 91:1)...
April 2017: Journal of Environmental Sciences (China)
Fei Wu, Lili Dai, Lee Geng, Hua Zhu, Tuo Jin
Using recombinant human granulocyte-macrophage colony-stimulating factor (rhGM-CSF) as a model drug, the present study demonstrated a practically feasible process to produce polymeric microspheres for sustained-release delivery of protein drugs with preserved integrity. This process is featured with pre-loading proteins into polysaccharide fine particles via a self-standing aqueous-aqueous "emulsion", prior to microencapsulation into the microspheres. The protein drug, rhGM-CSF, was partitioned thermodynamically into a dextran dispersed phase of the aqueous-aqueous emulsion, followed by lyophilization and removal of the polyethylene glycol (PEG) continuous phase (using an organic solvent not penetrating into dextran matrix)...
April 4, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
M Breijo, S Rocha, X Ures, L Pastro, P Alonzo, C Fernández, A Meikle
The horn fly, Haematobia irritans (L.), is a blood-sucking livestock ectoparasite responsible for substantial livestock losses. In the present work, the potential use of recombinant hematobin (HTB), a horn fly salivary protein, as an antigen for cattle vaccination was investigated. In this trial, horn fly loads and H. irritans's blood intake were assessed in vaccinated (n = 4) and control (n = 4) crossbred dark-coated steers, which were naturally infected. The vaccinated group received a 1 ml subcutaneous injection of 100 µg of HTB protein emulsified in 500 µl of Incomplete Freund Adjuvant (AIF) on days 0 and 30...
April 6, 2017: Journal of Economic Entomology
Yan Liu, Madhav P Yadav, Hoa K Chau, Shuang Qiu, Hui Zhang, Lijun Yin
Corn fiber gum (CFG) was previously conjugated with bovine serum albumin (BSA) via peroxidase treatment to improve its emulsifying properties. The current study was undertaken to evaluate the molecular characteristics of CFG-BSA conjugates prepared at different CFG/BSA weight ratios of 10:1, 4:1, 1:1, and 1:4. After the peroxidase treatment, CFG-BSA mixtures at weight ratios of 10:1 and 4:1 showed an increase in molecular weight from 200 and 193kDa to 218 and 223kDa respectively. But for CFG-BSA mixtures at weight ratio of 1:4, their molecular weight decreased...
June 15, 2017: Carbohydrate Polymers
Arashdeep Singh, Savita Sharma, Baljit Singh
Grain activation is a natural processing technique that can be used to produce modified flours without chemical modification. Functional characteristics of brown rice flour as influenced by grain activation time and temperatures were investigated. Germination temperatures at 25 ℃, 30 ℃ and 35 ℃ and time for 12, 24, 36 and 48 h significantly influenced the functional properties of flour with modification of starch, protein and high enzymatic activity. Significant decrease in the bulk density, water absorption and swelling power of brown rice flour was observed in comparison to non-germinated flour...
January 1, 2017: Food Science and Technology International, Ciencia y Tecnología de Los Alimentos Internacional
Kalpesh C Ashara, Ketan V Shah
BACKGROUND: Ophthalmic formulations of chloramphenicol have poor bioavailability of chloramphenicol in the ocular cavity. AIM: The present study aimed at exploring the impact of different oil mixtures in the form of emulsion on the permeability of chloramphenicol after ocular application. MATERIALS AND METHODS: Selection of oil mixture and ratio of the components was made by an equilibrium solubility method. An emulsifier was chosen according to its emulsification properties...
March 1, 2017: Folia Medica
Elçin Içten, Hitesh S Purohit, Chelsey Wallace, Arun Giridhar, Lynne S Taylor, Zoltan K Nagy, Gintaras V Reklaitis
The improvements in healthcare systems and the advent of the precision medicine initiative have created the need to develop more innovative manufacturing methods for the delivery and production of individualized dosing and personalized treatments. In accordance with the changes observed in healthcare systems towards more innovative therapies, this paper presents dropwise additive manufacturing of pharmaceutical products (DAMPP) for small scale, distributed manufacturing of individualized dosing as an alternative to conventional manufacturing methods A dropwise additive manufacturing process for amorphous and self-emulsifying drug delivery systems is reported, which utilizes drop-on-demand printing technology for automated and controlled deposition of melt-based formulations onto inert tablets...
April 2, 2017: International Journal of Pharmaceutics
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