نتایج جستجو برای: microwave assisted approach

تعداد نتایج: 1448043  

2013
Hemanth Mohandas Gunalan Sivakumar Palaniappan Kasi Saravana Kumar Jaganathan Eko Supriyanto

A wide number of polymers are being used for various medical applications. In this work, microwave-assisted surface modification of metallocene polyethylene (mPE) was studied. FTIR analysis showed no significant changes in the chemical groups after treatment. Contact angle analysis revealed a decrease in contact angle of the treated samples insinuating increasing hydrophilicity and better bioco...

Journal: :Molecules 2011
Nailton M Nascimento-Júnior Arthur E Kümmerle Eliezer J Barreiro Carlos A M Fraga

This review aims to highlight microwave-assisted organic synthesis as applied to medicinal chemistry in the last years, showing some reactions performed under microwave irradiation for the synthesis of distinct structurally molecules of biological interest, divided into the following groups: antineoplastics, anti-inflammatory, antimicrobial agents, antivirals, agents for the treatment of neglec...

2011
Ming Liu Wenxiang Hu

Various extraction techniques were applied in the extraction of the biologically active constituents. The methods employed were traditional maceration extraction, microwave-assisted extraction(MAE), and ultrasound extraction (UE). Compared to the maceration extraction, MAE and UE methods provided high extraction yield, requiring short time frames and less labour. Microwave irradiation is a prov...

2015
Takeo Yoshimura Takamasa Suzuki Shigeru Mineki Shokichi Ohuchi Shuang-yong Xu

Rolling circle amplification (RCA) generates single-stranded DNAs or RNA, and the diverse applications of this isothermal technique range from the sensitive detection of nucleic acids to analysis of single nucleotide polymorphisms. Microwave chemistry is widely applied to increase reaction rate as well as product yield and purity. The objectives of the present research were to apply microwave h...

2008
A. W. Holleitner H. Qin F. Simmel B. Irmer R. H. Blick J. P. Kotthaus A. V. Ustinov K. Eberl

We present measurements on microwave spectroscopy on a double quantum dot with an on-chip microwave source. The quantum dots are realized in the two-dimensional electron gas of an AlGaAs/GaAs heterostructure and are weakly coupled in series by a tunneling barrier forming an ’ionic’ molecular state. As a microwave source we employ a Josephson oscillator formed by a long Nb/Al-AlOx/Nb junction. W...

Journal: :Journal of the American Chemical Society 2021

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