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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 Organic Chem. Show all posts
Showing posts with label Organic Chem. Show all posts

December 3, 2008

AffinDB - affinity data for protein-ligand complexes


AffinDB - affinity data for protein-ligand complexes

Chemistry online Resources

Link - http://pc1664.pharmazie.uni-marburg.de/affinity/index.php

"The Affinity Database 'AffinDB' contains affinity data for protein-ligand complexes of the PDB. Its purpose is to provide direct and free access to the experimental affinity of a given complex structure.
As of Wednesday, December 03rd, 2008, AffinDB contains 748 affinity values covering 474 different PDB complexes. More than one affinity value may be associated with a single PDB complex, which is most frequently due to multiple references reporting affinity data for the same complex"[1].
1.http://pc1664.pharmazie.uni-marburg.de/affinity/index.php

Analytical Inorganic Organic Physical

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WebReactions - Organic Chemistry


WebReactions - Organic Chemistry

Chemistry online Resources


Link - http://webreactions.net/index.html

In WebReactions the database entries are taxonomically indexed with these successively nested subheadings:
  • rigorous digital generalization of the reaction class and type
  • the nature of substitution surrounding the reaction center
  • the nature of entering and/or leaving groups
  • features in the reactant which remain unchanged in the reaction
Analytical Inorganic Organic Physical

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Organic Syntheses


Organic Syntheses

Chemistry online Resources

Link - http://www.orgsyn.org/

"Since 1921, Organic Syntheses has provided the chemistry community with annual collections of detailed, reliable, and carefully checked procedures for the synthesis of organic compounds. Some procedures describe practical methods for the preparation of specific compounds of interest, while other procedures illustrate important synthetic methods with general utility. Each procedure is written in considerably more detail as compared to typical experimental procedures in other journals, and each reaction and all characterization data has been carefully "checked" for reproducibility in the laboratory of a member of the Board of Editors"[1].
1.http://www.orgsyn.org/

Analytical Inorganic Organic Physical

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December 2, 2008

NMRShiftDB


NMRShiftDB - Analytical

Chemistry online Resources

Link - http://www.nmrshiftdb.org/

"NMRShiftDB is a NMR database (web database) for organic structures and their nuclear magnetic resonance (nmr) spectra. It allows for spectrum prediction (13C, 1H and other nuclei) as well as for searching spectra, structures and other properties. Last not least, it features peer-reviewed submission of datasets by its users. The NMRShiftDB software is open source, the data is published under an open content license. Please consult the documentation for more detailed information"[1].
1.http://nmrshiftdb.ice.mpg.de/

Analytical Inorganic Organic Physical

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November 29, 2008

Stereochemical Glossary (PDF File!)

Stereochemical Glossary (PDF File!) 

Link - http://www.rsc.org/pdf/tct/stereochemgloss.pdf

Analytical Inorganic Organic Physical

Spectral Database for Organic Compounds


Spectral Database for Organic Compounds

Chemistry online Resources


"Introduction to the Spectral Data Base (SDBS)

SDBS is an integrated spectral database system for organic compounds,which includes 6 different types of spectra under a directory of the compounds. The six spectra are as follows, an electron impact Mass spectrum (EI-MS), a Fourier transform infrared spectrum (FT-IR), a 1H nuclear magnetic resonance (NMR) spectrum, a 13C NMR spectrum, a laser Raman spectrum, and an electron spin resonance (ESR) spectrum.

Compounds: ca 33000 compounds
MS: ca 24000 spectra
1H NMR: ca 14700 spectra
13C NMR: ca 13000 spectra
FT-IR: ca 51100 spectra
Raman: ca 3500
ESR: ca 2500 "[1].
1.http://riodb01.ibase.aist.go.jp/sdbs/LINKS/Introduction_eng.html

Analytical Inorganic Organic Physical

November 27, 2008

Spectroscopy Europe

Spectroscopy Europe - Spectroscopy

Chemistry online Resources

Link - http://www.spectroscopyeurope.com

Spectroscopy Europe is a magazine covering all areas of spectroscopy and circulates free-of-charge to 21,000 readers across Europe. The web site provides an electronic version of much of the print magazine, including a searchable database of products and a diary of meetings and conferences.

Analytical Inorganic Organic Physical

November 6, 2008

Beilstein Journal of Organic Chemistry (BJOC)

Chemistry Online Resources - Chemical Literature

Link - http://bjoc.beilstein-journals.org/

"The Beilstein Journal of Organic Chemistry is a peer-reviewed, Open Access journal that publishes research articles on all aspects of organic chemistry. The content is freely accessible online and is publicly archived. Authors can publish scientific articles free of charge as the BJOC is completely funded by the Beilstein-Institut, a non-profit foundation committed to advancing communication and information in chemistry. Editor-in-chief of the BJOC is Jonathan Clayden, University of Manchester, UK"[1].
1.http://www.beilstein-journals.org/bjoc/home/home.htm

Analytical Inorganic Organic Physical

October 30, 2008

Online SMILES Translator and Structure File Generator

Online SMILES Translator and Structure File Generator

Chemistry online Resources

Link - http://cactus.nci.nih.gov/services/translate/

Analytical Inorganic Organic Physical

October 27, 2008

Organic Chemistry Portal - Organic Chemistry

Organic Chemistry Portal - Organic Chemistry

Chemistry online Resources

Link - http://www.organic-chemistry.org/

"The Organic Chemistry Portal offers an overview of recent topics, interesting reactions, and information on the most important chemicals."[1]
1.http://www.organic-chemistry.org/


Analytical Inorganic Organic Physical

MolData - Organic Chemistry

MolData - Organic Chemistry

Chemistry online Resources

Link - http://pages.pomona.edu/~wsteinmetz/OrgChem.htm

"Another database service from the home of QSAR. MolData is an annotated bibliography with links to sources of chemical data on the World Wide Web"[1]. The given link for the organic chemistry .



Analytical Inorganic Organic Physical

October 26, 2008

IUPAC Nomenclature - Organic Chemistry

IUPAC Nomenclature - Organic Chemistry

Chemistry online Resources

Link - http://www.acdlabs.com/iupac/nomenclature/

The HTML reproduction of the IUPAC Nomenclature of Organic Chemistry.


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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