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1 – 10 of 65Shimaa S.M. Elhadad, Hany Kafafy, Hamada Mashaly and Ahmed Ali El-Sayed
The purpose of this study is to use liposome technology in the treatment of fabrics textiles because of its efficient energy saving, reducing time and temperature.
Abstract
Purpose
The purpose of this study is to use liposome technology in the treatment of fabrics textiles because of its efficient energy saving, reducing time and temperature.
Design/methodology/approach
The newly prepared lecithin liposome was used to encapsulate dyes for the purpose of increasing dyeing affinity. Different ratios of commercially available lecithin liposomes (1%, 3%, 5% and 7%) were used simultaneously in the dyeing of cotton and wool fabrics. The treated fabrics (cotton and wool fabrics) were confirmed using different analytical procedures such as scanning electron microscope (SEM), Fourier-transition infrared spectroscopy, ultraviolet protection factor, colour strength (K|S) measurements and fastness measurements.
Findings
The results show that increasing liposome ratios in dyeing baths leads to increased dyeing affinity for cotton and wool fabrics compared with conventional dyeing without using liposomes. In addition to that, the colour strength values, infrared spectra, SEM and fastness properties of non-liposome-dyed fabrics and liposome-dyed fabrics were investigated.
Originality/value
The research paper provides broad spectrum of green encapsulation fabrics using liposome technology to perform the dye stability, dye strength and fastness.
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Phornsinee Sakchareonkeat, Tzou‐Chi Huang, Prisana Suwannaporn, Yu Hsuan Chiang, Jue Liang Hsu and Yong Han Hong
The purpose of this study is to evaluate the effectiveness of alginate as a vehicle to protect coenzyme Q10 in liposomes.
Abstract
Purpose
The purpose of this study is to evaluate the effectiveness of alginate as a vehicle to protect coenzyme Q10 in liposomes.
Design/methodology/approach
Encapsulation efficiency and stability were conducted at varying temperatures (20, 30, 40°C) for 5 d and at exposure to simulated gastric conditions (pH 2) for 2 h. The content of coenzyme Q10 was determined using HPLC (LC/MS). Cytotoxicity and phagocytosis of mouse macrophages (RAW264.7) was determined.
Findings
Results showed that thermostability was strongly improved by alginate complex formation with liposomes. Moreover, alginate could maintain coenzyme Q10 at a significantly higher level in simulated gastric pH for at least 2 h (p<0.00).
Practical implications
This allowed a higher amount of coenzyme Q10 remaining to be absorbed in the small intestine. Alginate not only showed no toxic effect on mouse macrophages but also activated their proliferation and phagocytosis ability.
Originality/value
As a consequence, alginate could be applied as an aid to encapsulation stability and immunostimulating potency.
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Researchers continue to seek understanding of industrialization as a state managed process. How to create and implement new industries based on advanced knowledge is on the policy…
Abstract
Researchers continue to seek understanding of industrialization as a state managed process. How to create and implement new industries based on advanced knowledge is on the policy agenda of many advanced nations. Measures that promote these developments include national capacity building in science and technology, the formation of technology transfer systems, and the establishment of industrial clusters. What these templates often overlook is an analysis of use. This chapter aims to increase the understanding of the processes that embed new solutions in structures from an industrial network perspective. The chapter describes an empirical study of high-technology industrialization in Taiwan that the researcher conducts to this end. The study shows that the Taiwanese industrial model is oversimplified and omits several important factors in the development of new industries. This study bases its findings on the notions that resource combination occurs in different time and space, the new always builds on existing resource structures, and the users are important as active participants in development processes.
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Jaydeep Pinakin Dave, Ali Muhammed Moula Ali and Sri Charan Bindu Bavisetty
The purpose of this study was to provide contemporary scientific knowledge on the functionality of edible lipids, sources, health benefits, and a special emphasis on different…
Abstract
Purpose
The purpose of this study was to provide contemporary scientific knowledge on the functionality of edible lipids, sources, health benefits, and a special emphasis on different encapsulation strategies to enhance their dietary application and boost the market value.
Design/methodology/approach
Novel technologies overcoming these issues are in great demand. Given that, several novel encapsulation techniques have been established aiming at most of the aspects of functional lipids. In addition, these techniques have been designed to enhance the storage stability and controlled release of lipids in food systems.
Findings
Plant and marine oils are one of the richest sources of functional lipids but are attached with limitations. Currently, alternative sources, such as different types of algae and microorganisms are gaining attention in terms of sustainable production systems. Advances in various encapsulation techniques have helped to overcome the dispersibility and stability problems of lipids encapsulation. Refinement in physicochemical interaction, colloidal dispersion and core-shell modules between wall and core matrix protect dietary lipids during processing have been implemented. Liposomes, micro/nanoemulsions and micro/nanocapsules are found most suitable for food application by improving the fatty acid profile, stability and sensorial properties.
Originality/value
Functional lipids offer numerous health benefits (i.e., simple health-promoting properties to complex disease preventive and curative effects). However, these functional lipids are associated with several disadvantages, such as region-specific availability, vulnerability to oxidation depending on the level of unsaturation, degradation/hydrolysis on processing, low bioavailability, confined storage stability, and others.
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Nasirullah, Pravin Kumar and Rizwan Shariff
Nutraceuticals which have nutritional and therapeutic properties cannot be consumed directly due to their off flavor hence, a carrier in the form of microcapsules may be a better…
Abstract
Purpose
Nutraceuticals which have nutritional and therapeutic properties cannot be consumed directly due to their off flavor hence, a carrier in the form of microcapsules may be a better option for their application in foods. The purpose of this paper is to describe the preparation of nutraceutical barriers as microcapsulels.
Design/methodology/approach
Nutraceutical concentrates were isolated using methanol from sesame (Sesamum indicum), linseeds (Linum usitatissimum), black mustard (Brassica napus), yellow mustard (Brassica compestris) and niger seeds (Guizotai abyssinica) employing established protocol. These concentrates were further purified, enriching active ingredients using column chromatography to remove hydrocarbons, gums and other non‐polar inactive materials. These purified concentrates were subjected for sesamol, tocopherol, polyphenol and β‐carotene estimations. Subsequently, they were converted into microcapsules using spray drying, inclusion complexation and liposomal entrapment techniques.
Findings
The scanning electron microscope image of the spray‐dried nutraceutical concentrates isolated from sesame seeds showed that microcapsules were spherical in shape with 5‐25 μm in diameter with mean particle size of 10 μm with smooth outer surface and bee net like inner structure which yielded a uniform and smooth wall of microcapsules. Thickness of the wall was found to be 2‐5 μm. Sesamol, tocopherol, polyphenol and β‐carotene found to be ranging between 35,600 and 0; 14,520 and 890; 35,800 and 5,900 and 890 and 290 ppm. The encapsulation efficiency of spray drying, inclusion complexation and liposomal entrapment was 75.5, 54 and 58 percent, respectively, which considered to be good efficiency. The moisture content of the powders were found to be between 4 and 5 percent. The difference between the highest and the lowest moisture content at each relative humidity was about 0.5 percent. The percent nutraceutical concentrate adhering to the surface of granules during above encapsulation ranged between 1 and 5.5 percent.
Originality/value
Much work has been done on the nutraceuticals but information is very scarce on nutraceutical carriers. To carry the nutraceuticals to the site of delivery in intact form, nutraceutical carriers are inevitable. This paper describes how to prepare nutraceutical carriers as microcapsules by using spray drying, complexation and liposome entrapment procedures to obtain stable granules which can be used in food applications.
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Michael Galagudza, Dmitry Korolev, Dmitry Sonin, Viktor Postnov, Garry Papayan, Ivan Uskov, Anastasia Belozertseva and Eugene Shlyakhto
Clinical outcome in patients with ischemic heart disease can be significantly improved with the implementation of targeted drug delivery into the ischemic myocardium. The purpose…
Abstract
Purpose
Clinical outcome in patients with ischemic heart disease can be significantly improved with the implementation of targeted drug delivery into the ischemic myocardium. The purpose of this paper is to review the data of recent literature and present original findings relevant to the problem of therapeutic heart targeting with use of nanoparticles.
Design/methodology/approach
For literature review, a public‐domain database (Medline) was searched using a web‐based search engine (PubMed) and the following key words: “nanoparticles”, “nanocarriers”, and “targeted drug delivery”. Experimental approaches included fabrication of carbon and silica nanoparticles, their characterization and surface modification. The acute hemodynamic effects of nanoparticle formulation as well as nanoparticle biodistribution were studied on male Wistar rats.
Findings
Carbon and silica nanoparticles are biocompatible materials that can be used as carriers for heart‐targeted drug delivery. Concepts of passive and active targeting can be applied to the development of targeted drug delivery to the ischemic myocardial cells.
Originality/value
The present paper is believed to be the first on ligand‐directed targeted drug delivery into the damaged myocardium.
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In the printing ink industry, the trend increasingly points towards the application of special varnish systems and pigments for packaging and decorative inks. As a consequence…
Abstract
In the printing ink industry, the trend increasingly points towards the application of special varnish systems and pigments for packaging and decorative inks. As a consequence, there is an increasing demand for equipment capable of coping with this difficult dispersion process. Buhler has accepted this challenge, launching a bead mill provided with a conical gap agitator and a dynamic separation gap relief system.
While the strategic planning process of leaders is well understood, firms in lower market share ranks tend to have a planning process of a follower. Instead of trying to influence…
Abstract
While the strategic planning process of leaders is well understood, firms in lower market share ranks tend to have a planning process of a follower. Instead of trying to influence their environment, they normally copy the strategies of the industry leader or even serve niches neglected by the leader. Outlines, through numerous examples, the changes followers can make in their competitive profiles to become alternative leaders. The smaller firms may thrive serving a limited demand which would normally be unattractive to the leading firms; the larger company could do well by concentrating on products for market niches that are neglected by the industry leaders. Discusses several implications for small as well as large firms which wish to be followers in their industry. Also examines approaches to attaining long‐term economic viability such as forge linkages, protective factors, geographical parameters, personnel policies, product offerings, customer selection, purchasing, production and marketing.
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Manisha Bhandari, Rajan Sharma, Savita Sharma, Hanuman Bobade and Baljit Singh
The purpose of this study is to address consumer’s preference of natural pigments over synthetic ones and their use in various product developments rather than using synthetic…
Abstract
Purpose
The purpose of this study is to address consumer’s preference of natural pigments over synthetic ones and their use in various product developments rather than using synthetic colours. A budding interest of using natural pigments has made researchers to explore several techniques for their stabilization and application in different food products.
Design/methodology/approach
In this review, four major natural pigments with potential health benefits have been studied. Betalins, carotenoids, anthocyanins and chlorophylls, in spite of having excellent bio-functional and therapeutic profile, are found to be unstable. Therefore, various nanoencapsulation techniques are used to increase their stability along with their therapeutic properties.
Findings
Nanoencapsulation of natural pigments improves their stability, their effect on therapeutic properties and their application in different food products. These findings could be attributed to the encapsulating material as it acts as a barrier and ushers changes in the matrix of natural pigments. Also, nanoencapsulation not only increases stability but also provides several health benefits such as anti-inflammation, anti-cancer, anti-allergic and anti-thrombotic properties.
Originality/value
This paper highlights the openings for the use of nanoencapsulation of natural pigments to stabilize them and use them as a potential colourant and functional ingredient in different food products. Phenols, carotenoids and antioxidant activity are the major factors that are responsible for promoting several health benefits.
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