The Use of Electrospray Mass Spectrometry to Determine Speciation in a Dynamic Combinatorial Library for Anion Recognition

The composition of a dynamic mixture of similar 2,2'-bipyridine complexes of iron(II) bearing either an amide (5-benzylamido-2,2'-bipyridine and 5-(2-methoxyethane)amido-2,2'-bipyridine) or an ester (2,2'-bipyridine-5-carboxylic acid benzylester and 2,2'-bipyridine-5-carboxylic acid 2-methoxyethane ester) side chain have been evaluated by electrospray mass spectroscopy in acetonitrile. The time taken for the complexes to come to equilibrium appears to be dependent on the counteranion, with chloride causing a rapid redistribution of two preformed heteroleptic complexes (of the order of 1 hour), whereas the time it takes in the presence of tetrafluoroborate salts is in excess of 24^^h. Similarly the final distribution of products is dependent on the anion present, with the presence of chloride, and to a lesser extent bromide, preferring three amide-functionalized ligands, and a slight preference for an appended benzyl over a methoxyethyl group. Furthermore, for the first time, this study shows that the distribution of a dynamic library of metal complexes monitored by ESI-MS can adapt following the introduction of a different anion, in this case tetrabutylammonium chloride to give the most favoured heteroleptic complex despite the increasing ionic strength of the solution. 

Exchange systems and style in the Central Mediterranean. 4500-1700 b.c..:Unpublished PhD. Cambridge University Library

Malone, C.A.T., 1986, Unpublished PhD, Cambridge University, Cambridge.

Copyright & Risk: Scoping the Wellcome Digital Library Project (peer reviewed)

Copyright & Risk: Scoping the Wellcome Digital Library is a comprehensive case study which assesses the merits of the risk-managed approach to copyright clearance adopted by the Wellcome Library in the course of their pilot digitisation project Codebreakers: Makers of Modern Genetics (http://wellcomelibrary.org/collections/digital-collections/makers-of-modern-genetics/#).

LibWorld - library blogging worldwide

On April, 23rd 2007 a series of postings started on Infobib.de, where guest authors from all over the world introduced the library and library related blogs of their own country. This book is a collection of 30 revised LibWorld articles, accompanied by a foreword by Walt Crawford. Included are articles about the blogosphere of: Argentina, Australia, Austria, Belarus, Belgium, Brazil, Canada, Denmark, Finland, France, Greece, Hungary, Iran, Italy, Japan, Latvia, Malawi, Netherlands, New Zealand, Norway, Peru, Puerto Rico, Russia, Singapore, Spain, Sweden, Switzerland, Trinidad & Tobago, USA.

Veda Quick Cheraw Library card application

This is a signed library card for Vada Quick to the Cheraw Library, dated November 30, 1939.

TAG & RELEASE Volume 19, No. 1 March 2014

Tag & Release is the newsletter for the South Carolina Governor's Cup Billfishing Series, an official program of the South Carolina Department of Natural Resources in cooperation with the South Carolina Department of Parks, Recreation and Tourism and the Harry R.E. Hampton Memorial Wildlife Fund.

TAG & RELEASE Volume 19, No. 2 May 2014

Tag & Release is the newsletter for the South Carolina Governor's Cup Billfishing Series, an official program of the South Carolina Department of Natural Resources in cooperation with the South Carolina Department of Parks, Recreation and Tourism and the Harry R.E. Hampton Memorial Wildlife Fund.

TAG & RELEASE Volume 20, No. 1 March 2015

Tag & Release is the newsletter for the South Carolina Governor's Cup Billfishing Series, an official program of the South Carolina Department of Natural Resources in cooperation with the South Carolina Department of Parks, Recreation and Tourism and the Harry R.E. Hampton Memorial Wildlife Fund.

TAG & RELEASE Volume 19, No. 4 Nov. 2014

Tag & Release is the newsletter for the South Carolina Governor's Cup Billfishing Series, an official program of the South Carolina Department of Natural Resources in cooperation with the South Carolina Department of Parks, Recreation and Tourism and the Harry R.E. Hampton Memorial Wildlife Fund.

Rural Library Service

This publication is a bulletin prepared by the Bureau of Agricultural Economics and the American Library Association to illuminate the current state of rural library services as well as suggestions for getting these services to other rural communities.

Rural Library Service

This publication is a bulletin prepared by the Bureau of Agricultural Economics and the American Library Association to illuminate the current state of rural library services as well as suggestions for getting these services to other rural communities.