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(1) MIT: New insights on fusion power

David Chandler, MIT News Office
December 3, 2008

Research carried out at MIT's Alcator C-Mod fusion reactor may have brought the promise of fusion as a future power source a bit closer to reality, though scientists caution that a practical fusion powerplant is still decades away.

Adapted from - http://web.mit.edu/newsoffice/2008/fusion-results-tt1203.html


(2)Disappearing superconductivity reappears -- in 2-D

Scientists studying a material that appeared to lose its ability to carry current with no resistance say new measurements reveal that the material is indeed a superconductor -- but only in two dimensions. Equally surprising, this new form of 2-D superconductivity emerges at a higher temperature than ordinary 3-D superconductivity in other compositions of the same material.

Adapted from - http://www.bnl.gov/bnlweb/pubaf/pr/PR_display.asp?prID=865

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Showing posts with label Biochemistry. Show all posts
Showing posts with label Biochemistry. Show all posts

December 3, 2008

BRENDA - Enzyme Database


BRENDA - Enzyme Database

Chemistry Online Resources

Link - http://www.brenda-enzymes.info/

"BRENDA is the main collection of enzyme functional data available to the scientific community. It is available free of charge for via the internet (www.brenda-enzymes.info) and as an in-house database for commercial users (requests to our distributor Biobase).
BRENDA is maintained and developed at the Institute of Biochemistry and Bioinformatics at the Technical University of Braunschweig, Germany. Data on enzyme function are extracted directly from the primary literature by scientists holding a degree in Biology or Chemistry. Formal and consistency checks are done by computer programs, each data set on a classified enzyme is checked manually by at least one biologist and one chemist.

It should be mentioned here that the data are extracted from literature and critically evaluated by qualified scientists. On the other hand the original authors' nomenclature for enzyme forms and subunits is retained as is their nomenclature for organisms and strains even if the organism is reclassified in the meantime. In order to keep the tables concise redundant information is avoided as far as possible (e.g. if Km values are measured in the presence of an obvious cosubstrate, only the name of the cosubstrate is given in parentheses as a commentary without reference to its specific role)"[1].
1.http://www.brenda-enzymes.info/

Analytical Inorganic Organic Physical

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Biochemical Pathways Database under C@ROL


Biochemical Pathways Database under C@ROL

Chemistry Online Resources

Link - http://www2.chemie.uni-erlangen.de/services/biopath/index.html

"BioPath is a database of biochemical pathways that provides access to metabolic transformations and cellular regulations derived from the Roche Applied Science "Biochemical Pathways" wall chart.

BioPath contains a library of cross-linked biochemical molecules and reactions. All structure and reaction information is stored on an atomic level allowing the direct access to all atoms and bonds of all metabolites and to the bonds broken and made during an enzymatic reaction.

BioPath is designed to support scientists to understand the impact of gene regulations on biological systems for drug target identification and provides the following features:

  • 1,175 molecules with connection tables including stereochemical information
  • 1,545 biochemical reactions stoichiometrically balanced, with marked reaction centers and atom-atom mapping numbers between educts and products
  • 1,000 unique enzymes represented by names and EC numbers
  • 202 pathways represented by names
  • Covered organism: prokaryotes, plants, yeasts and animals, general pathways
  • Subcellular localization of pathways (cytosol, chloroplasts, mitochondria, ...)"[1]

1.http://www2.chemie.uni-erlangen.de/services/biopath/index.html

Analytical Inorganic Organic Physical

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November 27, 2008

Biochemistry Online Learning Tools

Biochemistry Topics List and Learning Tools

Chemistry online Resources ( Biochemistry Online Learning Tools )

Link - http://www.usm.maine.edu/~rhodes/Biochem/Text/Topics.html

support site for Gayle Rhodes' U. Southern Maine biochemistry courses, using Horton's Principles of Biochemistry.

Analytical Inorganic Organic Physical

November 8, 2008

The RCSB Protein Data Bank


The RCSB Protein Data Bank

Chemistry online Resources


"The RCSB PDB provides a variety of tools and resources for studying the structures of biological macromolecules and their relationships to sequence, function, and disease.

The RCSB is a member of the wwPDB whose mission is to ensure that the PDB archive remains an international resource with uniform data.

This site offers tools for browsing, searching, and reporting that utilize the data resulting from ongoing efforts to create a more consistent and comprehensive archive"[1].
1.http://www.pdb.org/pdb/home/home.do;jsessionid=6DC6D66A1E30E5A2737E274CF2003BBA

Analytical Inorganic Organic Physical

October 29, 2008

Nucleic Acid Database

Nucleic Acid Database - Biochemistry

Chemistry online Resources



Repository of three-dimensional structural information about nucleic acids. The goal of the Nucleic Acid Database Project (NDB) is to assemble and distribute structural information about nucleic acids.
Analytical Inorganic Organic Physical

Metabolic Pathways of Biochemistry

Metabolic Pathways of Biochemistry - Biochemistry

Chemistry online Resources


Link - http://www.gwu.edu/~mpb/

"Metabolic Pathways of Biochemistry, the online reference of metabolism for students, scientists, and the world. This site is designed to graphically represent all major metabolic pathways, primarily those important to human biochemistry"[1].
1. http://www.gwu.edu/~mpb/


Analytical Inorganic Organic Physical

Medical Biochemistry Page

Medical Biochemistry Page - Biochemistry

Chemistry online Resources


Includes teaching tool for medical biochemistry and links for other biochemical resources.

Analytical Inorganic Organic Physical

October 27, 2008

BioChemWeb - Biochemistry

BioChemWeb - Biochemistry

Chemistry online Resources

Link - http://www.biochemweb.org

The Virtual Library of Biochemistry, Moleculer Biology and Cell Biology is a guide to major online resources in biochemistry, molecular and cell biology and related fields, indexed by subject with annotated links.


Analytical Inorganic Organic Physical

Free Chemistry Hand Books

Hand Books

This site provides thermochemical, thermophysical, and ion energetics data compiled by NIST under the Standard Reference Data Program.


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