نتایج جستجو برای: Probe sonication

تعداد نتایج: 96481  

Omega-3 fatty acids (FAs) have been shown to prevent cardiovascular disease. The most commonly used omega-3 fatty acids like eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are highly vulnerable to oxidation and therefore, have short shelf life. Recent advances in nanoliposomes provided a biocompatible system for stabilizing omega-3 FAs. Several methods could be implemented to prepar...

Omega-3 fatty acids (FAs) have been shown to prevent cardiovascular disease. The most commonly used omega-3 fatty acids like eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) are highly vulnerable to oxidation and therefore, have short shelf life. Recent advances in nanoliposomes provided a biocompatible system for stabilizing omega-3 FAs. Several methods could be implemented to prepar...

2014
Xiaofang Wang Hyun Jeong Lim Ahjeong Son

OBJECTIVES The present study was designed to systematically characterize the denaturation and the renaturation of double stranded DNA (dsDNA), which is suitable for DNA hybridization. METHODS A series of physical and chemical denaturation methods were implemented on well-defined 86-bp dsDNA fragment. The degree of each denaturation was measured and the most suitable denaturation method was de...

Journal: :iranian journal of pharmaceutical research 0
zahra hadian shaheed beheshti university of medical sciences mohammad ali sahari tarbiat modares university hamid reza moghimi department of pharmaceutics, faculty of pharmacy, shahid beheshti university of medical sciences, tehran, iran. mohsen barzegar department of food science and technology, faculty of agriculture, tarbiat modares university, tehran, iran.

omega-3 fatty acids (fas) have been shown to prevent cardiovascular disease. the most commonly used omega-3 fatty acids like eicosapentaenoic acid (epa) and docosahexaenoic acid (dha) are highly vulnerable to oxidation and therefore, have short shelf life. recent advances in nanoliposomes provided a biocompatible system for stabilizing omega-3 fas. several methods could be implemented to prepar...

Journal: :Journal of environmental management 2016
Ngoc Tuan Le Carine Julcour-Lebigue Laurie Barthe Henri Delmas

This work aims at optimizing sludge pretreatment by non-isothermal sonication, varying frequency, US power (PUS) and intensity (IUS varied through probe size), as well as hydrostatic pressure and operation mode (continuous vs. sequential - or pulsed - process). Under non isothermal sonication sludge solubilization results from both ultrasound disintegration and thermal hydrolysis which are conv...

2016
Sulena Pradhan Jonas Hedberg Eva Blomberg Susanna Wold Inger Odnevall Wallinder

ABSTRACT In this study, we elucidate the effect of different sonication techniques to efficiently prepare particle dispersions from selected non-functionalized NPs (Cu, Al, Mn, ZnO), and corresponding consequences on the particle dose, surface charge and release of metals. Probe sonication was shown to be the preferred method for dispersing non-inert, non-functionalized metal NPs (Cu, Mn, Al). ...

In this research, MoS2 nanoflakes were prepared via the Liquid Phase Exfoliation method by utilizing an ultrasonic probe. We changed the power of our sonicator and the sonication time to investigate their effects on the thickness of obtained flakes. Our findings from UV-Visible Spectra and the SEM images have indicated that the minimum thickness for these samples has been acquired at the power ...

The present study was conducted to investigate the performance of different size reduction techniques including probe sonication, extrusion, and high pressure homogenization for nanosizing of niosomes. Also, the effects of cholesterol content and surfactant type on the size and poly dispersity index (PDI) of the formulations were evaluated. Various niosomal formulations composed of Brij 72, Spa...

Journal: :iranian journal of radiation research 0
a.h. barati department of medical physics, school of medical sciences, tarbiat modares university, tehran, iran m.mokhtari -dizaji department of medical physics, school of medical sciences, tarbiat modares university, tehran, iran h.mozdarani department of medical genetics, school of medical sciences, tarbiat modares university, tehran, iran s.z. bathaei department of clinical biochemistry, school of medical sciences, tarbiat modares university, tehran, iran z.m.hassan department of immunology, school of medical sciences, tarbiat modares university, tehran, iran

abstractbackground : in order to quantify effects of ultrasound irradiation parameters under therapeutic condition, especially sonodynamic therapy, it is initially necessary to evaluate inertial cavitation activity in vitro conditions therefore, in this study, the effect of 1 mhz low level ultrasound based on °oh radicals generated by acoustic inertial cavitation in aqueous solution was monitor...

The present study was conducted to investigate the performance of different size reduction techniques including probe sonication, extrusion, and high pressure homogenization for nanosizing of niosomes. Also, the effects of cholesterol content and surfactant type on the size and poly dispersity index (PDI) of the formulations were evaluated. Various niosomal formulations composed of Brij 72, Spa...

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