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Displaying Tag 'molecule'
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A group of researchers at the University of Science and Technology of China conducted an operation on a molecule of melamine smaller than 1/60.000 of hair using a scanning tunneling microscope, moving the molecule in a chemical raw component monomolecular dual function (rectification and switching). The discovery, published in the latest issue of Proceedings of the National Academy of Sciences, offers a new avenue for the development of multifunctional molecules.
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 The collaboration of four research teams in Spain has created a new molecule with exceptional analgesic derived from morphine. Participated a Institute of Advanced Chemistry of Catalonia (IQAC – CSIC) Barcelona, Institute of General Organic Chemistry (IQOG) from Madrid, Institute of Neuroscience of Castilla-y-Leon, et le Center Biological Research (CIB-CSIC) in Madrid.
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 A team of researchers, including members from both centers of AIST [1] (the Research Institute of Genome-based Biofactory and the Research Institute for Cell Engineering) and the Medical University of Hokkaido, has developed from a natural protein probe infrared transmitter that can identify cancer cells.
Remember that cancer is the leading cause of death in Japan. The exact location of tumors and monitoring of disease progression are important for treatment. However, the existing method of positron emission tomography, despite its effectiveness, has certain limitations: it is costly in time and money, and only certain institutions can afford to offer this type of analysis.
The researchers used an enzyme called luciferase, produced by Vargula hilgendorfii, a crustacean that the Japanese call “umi hotaru” ( “sea firefly”). The luciferase function to oxidize protein, luciferin, causing a phenomenon of bioluminescence [2].
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| Category: Medical Science | Tags: AIST, bioluminescence, cancer cells, carbohydrate, enzluciferaseyme, infrared, liver cancers, luciferin, molecule, oxidize protein, radiation, tomography, tumors |
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 Researchers from five agencies collaborated to develop a new molecule called CD4-HS can block HIV entry into cells. Unlike currently available treatments, designed to block viral replication, this alliance entirely original between a sugar and a peptide represents a new strategy promising therapeutic to act well before the entry of virus into the cell. The methods of synthesis and mechanism of action of this molecule are published online by the journal Nature Chemical Biology.
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