نتایج جستجو برای: microwave heating

تعداد نتایج: 103154  

2012
Xiang Zhao Liping Yan Kama Huang

Since the great experiments were carried out by Dr. Percy Spencer in 1946, microwave heating has been used widely in food industry, medicine, chemical engineering and so on [1][2][3][4][5], for processing many materials ranging from foodstuffs [1][6][7][8] to tobaccos [9][10][11], from wood [12][13][14] to ceramics [15][16][17][18], and from biological objects [19][20] to chemical reactions [21...

2017
Ching-Lin Fan Ming-Chi Shang Shea-Jue Wang Mao-Yuan Hsia Win-Der Lee Bohr-Ran Huang

In this study, a proposed Microwave-Induction Heating (MIH) scheme has been systematically studied to acquire suitable MIH parameters including chamber pressure, microwave power and heating time. The proposed MIH means that the thin indium tin oxide (ITO) metal below the Poly(4-vinylphenol) (PVP) film is heated rapidly by microwave irradiation and the heated ITO metal gate can heat the PVP gate...

2011
Biren. N. Shah Avinash. K. Seth

A microwave assisted extraction technique was developed to optimize the extraction of mucilage from the fruits of Abelmoschus esculentus plant. The plant has been extracted by conventional and microwave assisted methods for the isolation of mucilage. Microwave extraction at 160 W intensity and 40 min heating duration increase 11.55% in the yield of mucilage when compared to 1 h conventional hea...

2007
Lai Zhenyu Xu Guangliang Zheng Yalin

MnZnFe2O4 ferrite nanoparticles were prepared by co-precipitation method using a microwave heating system at temperature of 100 C. X-ray diffraction reveals the samples as prepared are pure ferrite nanocrystalline phase, transmission electron microscopy image analysis shows particles are in agglomeration state with an average size of about 10 nm, furthermore, crystal size of samples are increas...

2014
Bridgit Kioko Taiwo Ogundolie Morenike Adebiyi Yehnara Ettinoffe Caleb Rhodes Brittney Gordon Nishone Thompson Muzaffer Mohammed Biebele Abel Kadir Aslan

In this study, we demonstrated a unique application of our Metal-Assisted and Microwave-Accelerated Evaporative Crystallization (MA-MAEC) technique for the de-crystallization of uric acid crystals, which causes gout in humans when monosodium urate crystals accumulate in the synovial fluid found in the joints of bones. Given the shortcomings of the existing treatments for gout, we investigated w...

Journal: :Organic & biomolecular chemistry 2007
Jonathan M Collins Nicholas E Leadbeater

As the range of techniques for microwave heating has expanded, so have the areas in which it can have a profound impact. Two emerging areas are the application of microwave heating for the synthesis of peptides, peptoids, oligopeptides and carbohydrates and in the field of proteomics.

Journal: :Organic & biomolecular chemistry 2011
Esther Böss Tim Hillringhaus Jacqueline Nitsch Martin Klussmann

A direct synthesis of substituted xanthenes from salicylaldehydes and cyclohexenones or tetralones has been developed. The reaction is catalysed by Lewis acids like scandium triflate and furnishes substituted xanthenes in good to excellent yields using either microwave or thermal heating. Microwave heating results in significantly shortened reaction times of 30 min and generally higher yields.

2008
Kazuyuki Saito Takahiro Kawamura Masaharu Takahashi Koichi Ito

In recent years, various types of medical applications of microwaves have widely been investigated and reported [1]. In particular, minimally invasive microwave thermal therapies using thin coaxial antennas are of a great interest. They are interstitial microwave hyperthermia [2] and microwave coagulation therapy (MCT) [3] for medical treatment of cancer, cardiac catheter ablation for ventricul...

Journal: :Journal of immunological methods 2008
Kadir Aslan Michael J R Previte Yongxia Zhang Chris D Geddes

The application of Microwave-Accelerated Surface Plasmon-Coupled Luminescence (MA-SPCL) to fast and sensitive DNA hybridization assays in buffer and whole blood is presented. In this regard, a model DNA hybridization assay whereby a fluorophore-labeled target ssDNA specific to human immunodeficiency, Hepatitis C (Hep C), is probed by an anchor probe immobilized on thin gold films, is driven to ...

2015
JOANNA CZARNOCKA Joanna Czarnocka

The method of processing biomass of various kinds by microwave-assisted pyrolysis has been presented. The fast pyrolysis process, characterized by rapid heating of the feedstock in the absence of oxygen and rapid cooling of the volatile intermediate reaction products, is one of attractive liquid biofuel production methods. However, the pyrolysis still requires improvements as regards the proces...

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