نتایج جستجو برای: microwave oven
تعداد نتایج: 54287 فیلتر نتایج به سال:
In this work, the effects of preparation methods such as CE oven, microwave irradiation, and ultrasound on the morphology, particle size and crystallinity of MIL-53(Fe) are firstly investigated. Furthermore, the methods are utilized to prepare Pt NPs@MIL-53(Fe). As a result, well-defined Pt NPs@MIL-53(Fe) prepared by microwave irradiation exhibits uniformed morphology, hig...
Technetium-99m-methoxy isobutyl isonitrile ("'Tc-MIBI) imaging can be useful to assess myocardial sal11age following t ltrombolysis. In such acute conditions, MIBI must be readi(v a11ailab/e. The standard labeling method requires a 10-min boiling period in a boiling water bath (BWB). The purpose of this study was to compare the BWB technique to a microwa11e o11en heating (MOH) method. Two serie...
(1) "Standard Methods for the Examination of Water and Wastewater", 13th ed., American Public Health Association, Washington, DC, 1971, p 339. (2) "Methods for Chemical Analysis of Water and Wastes", U.S. Environmental Protection Agency, Washington, DC, 1974, p 157. (3) L. K . Wang, J. Am. Water Works Assoc., 67 (1). 19-21 (1975). (4) L. K . Wang, W. W. Shuster. and P. J. Panzardi, J. Am. Water...
BACKGROUND Microwave irradiation has been tried as a replacement for the conventional tissue processing technique in histopathology laboratories for quite some time. Studies have shown that Domestic Microwave Tissue Processing (DMWTP) provides a faster delivery of the tissue sections with a morphology which is similar to that which is seen Conventional Tissue Processing (CTP). But many laborato...
Advances in microwave technology permitted the development of new antigen labeling techniques. The recent microwave development of a true variable wattage unit designed for laboratory use and an apparatus for dampening standing wave radiation patterns have allowed investigators to better control the conditions within a microwave cavity. Thus, operating limits thought to be endemic to microwave-...
Southern and Northern blot techniques are powerful procedures for studying gene structure and function. These methods involve the separation of nucleic acids according to size on an agarose or polyacrylamide gel and subsequent transfer of the nucleic acid to suitable nitrocellulose or nylon-based membranes. D N A or R N A molecules bound to the membrane are then fixed and hybridized with a radi...
Two pretreatment methods, microwave irradiation and steam explosion, were investigated in this work. The aim of the study was to investigate whether these methods would improve the biodegradability of wheat straw as a lignocellulosic feedstock. Microwave pretreatment was carried out on milled straw with an irradiation time of 15 minutes, at a temperature of either 200 or 300 °C in the oven. The...
It is recognized that breast feeding is an alternative means of transmission of Chagas disease. However, thermal treatment of milk can prevent this occurrence. As domestic microwave ovens are becoming commonplace, the efficacy of microwave thermal treatment in inactivating Trypanosoma cruzi trypomastigotes in human milk was tested. Human milk samples infected with T. cruzi trypomastigotes (Y st...
Present preliminary scientific trial was designed to investigate of microwave effects on Japanese quails as an animal model. Thirty six three days-old quail chicks were randomly divided into 3 experimental groups and received: A) un-treated tap water, B) tap water boiled by electrical heater and then cooled and C) tap water treated by microwave oven and then cooled. The whole experimental perio...
The purpose of this study was to evaluate the occurrence of lipid oxidation in peanut (Arachis hypogaea L) seeds which were heated by microwave irradiation. Peanut seeds were exposed to microwaves for 0, 2.5, 3.5, 4.5, 5.5 and 6.5 min at frequency of 2,450 MHz, 450 watts microwave oven. The quality characteristics of peanut seed (moisture content and color values), extracted peanut oils (PV, TB...
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