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Topic: Tetrose


In the News (Tue 29 Dec 09)

  
  Sugar - LoveToKnow 1911   (Site not responding. Last check: 2007-10-19)
The first term includes simple sugars containing two to nine atoms of carbon, which are known severally as bioses, trioses, tetroses, pentoses, hexoses, andc.; whilst those of the second group have the formula C12H22011 and are characterized by yielding two monosaccharose molecules on hydrolysis.
In addition trisaccharoses are known of the formula C13H32016; these on hydrolysis yield one molecule of a monosaccharose and one of a disaccharose, or three of a monosaccharose.
Four active tetroses are possible, and three have been obtained by Ruff and Wohl from the pentoses.
www.1911encyclopedia.org /Sugar   (12709 words)

  
 World J Gastroenterol
Neither tetrose nor mannan group had metastasis out of the liver, and the weight of liver in the two groups was significantly lower than those in the control group.
The tetrose and mannan in the present study, with the structure differing from the above two carbohydrates, are strikingly effective in inhibiting experimental liver metastases.
The tetrose we designed exists in the saccharide chains of tumor cell surface, its action suggested that the carbohydrate with this structure may block the metastatic process of tumor cells.
www.wjgnet.com /1007-9327/4/103.asp   (1518 words)

  
 IngentaConnect C-2 Epimer Formation of Tetrose, Pentose and Hexose Sugars by Xyl...
IngentaConnect C-2 Epimer Formation of Tetrose, Pentose and Hexose Sugars by Xyl...
We describe novel tetrose isomerizations and C-2 epimerizations by the industrially important d-xylose ketol-isomerase (E.C.5.3.1.5) with both the d- and l-forms of the sugars.
We further show that in addition to isomerization to d-fructose, d-glucose is slowly C-2 epimerized to d-mannose.
www.ingentaconnect.com /content/tandf/gbab/2002/00000020/00000004/art00002   (203 words)

  
 tetrose - OneLook Dictionary Search
Tip: Click on the first link on a line below to go directly to a page where "tetrose" is defined.
tetrose : The American Heritage® Dictionary of the English Language [home, info]
Tetrose : Online Plain Text English Dictionary [home, info]
www.onelook.com /?w=tetrose   (137 words)

  
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alberta-dealer-dodge.linksopen.com   (987 words)

  
 120202q3540 - Quiz - Organic Chemistry 3540 - December 2, 2002 - Dr. Sundin - UWP   (Site not responding. Last check: 2007-10-19)
__________ Is the sugar in ring A, a tetrose; a pentose; or a hexose?
__________ Is the sugar in ring B, a tetrose; a pentose; or a hexose?
__________ Is the sugar in ring C, a tetrose; a pentose; or a hexose?
www.uwplatt.edu /~sundin/354-2/5421202q.htm   (185 words)

  
 Media Portfolio
The number of carbon atoms in the sugar generally ranges from three to seven, designated by the term triose (three carbons), tetrose (four carbons), pentose (five carbons), hexose (six carbons), and heptose (seven carbons).
Most ketones have the ketone on C2, the second carbon of the chain.
aldoses, ketoses, aldohexose, ketohexose, aldotetrose, ketotetrose, triose, tetrose, pentose, hexose, heptose
wps.prenhall.com /wps/media/objects/340/348272/wade_ch23.html   (1687 words)

  
 Cash register - Choose and Buy
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cash-register.linksopen.com   (962 words)

  
 tetrose - Dictionnaire Français-Anglais WordReference.com
We found no English translation for 'tetrose' in our French to English Dictionary.
Or did you want to translate 'tetrose' from English to French?
Please report any problems that you are having with searches that didn't occur before.
www.wordreference.com /fren/tetrose   (71 words)

  
 [No title]
Carbohydrates Functions of Carbohydrates Sugars of DNA and RNA Cell wall of bacteria Food reserves Main function is to supply the cell with energy.
Monosaccharides Simple sugars Number of carbons is 3 — 7 Triose (3C), Tetrose (4 C), Pentose (5C), Hexose (6C), Heptose (7C).
Pentoses are found in DNA and RNA, hexoses are like glucose, fructose.
mason.gmu.edu /~mkocache/chemicals.doc   (604 words)

  
 C&EN: Latest News - Simpler Than DNA
Meggers’ group became curious about the possibility of removing the ring completely when they saw reports by Albert Eschenmoser, currently at Scripps Research Institute, of analogs with sugars that differ markedly from those in DNA and RNA.
One of them, called TNA, uses a tetrose sugar and has a connecting chain between phosphate groups that is one carbon atom shorter than that in DNA.
If TNA works, Meggers’ group thought, then maybe a nucleic acid with a simple glycol group connecting the phosphodiesters might work as well.
pubs.acs.org /cen/news/83/i12/8312notw8.html   (498 words)

  
 Definition of tetrose - Merriam-Webster Online Dictionary
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www.m-w.com /cgi-bin/dictionary?book=Dictionary&va=tetrose   (31 words)

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