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Electronic Communication in Heterometallated Porphyrin Oligomers

Electronic Communication in Heterometallated Porphyrin Oligomers
Author: Jonathan Cremers
Publisher: Springer Nature
Total Pages: 294
Release: 2020-02-13
Genre: Science
ISBN: 3030391019

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This book cuts across the divisions of organic, inorganic, and physical chemistry. It describes new methods for creating π-conjugated porphyrin oligomers with precisely defined sequences of zinc and copper metal cations, and how EPR spectroscopy was used to investigate the dipolar and exchange coupling between the paramagnetic copper(II) centres. Porphyrins are a group of heterocyclic macrocycle organic compounds that play an important role in our everyday life and can for example be found in blood where they form a red complex with iron (haem). Various metallic elements can be inserted into a porphyrin and changing the coordinated metal is an excellent way to influence the chemical and physical properties of these molecules. Focusing on 3 metals - zinc, magnesium and copper - the author established new methods for creating π-conjugated porphyrin oligomers and lastly presents the synthesis and investigation of two novel porphyrin nanoballs. Giving the template-directed strategy the author developed for constructing these molecules, this work could provide access to other related nano-cages.


Conjugated Porphyrin Oligomers

Conjugated Porphyrin Oligomers
Author: Joakim Kärnbratt
Publisher:
Total Pages: 60
Release: 2011
Genre:
ISBN: 9789173854993

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Progress in the Science of Functional Dyes

Progress in the Science of Functional Dyes
Author: Yousuke Ooyama
Publisher: Springer Nature
Total Pages: 597
Release: 2021-04-27
Genre: Science
ISBN: 9813343923

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This book covers a wide range of topics related to functional dyes, from synthesis and functionality to application. Making a survey of recent progress in functional dye chemistry, it provides an opportunity not only to understand the structure-property relationships of a variety of functional dyes but also to know how they are applied in practical use, from electronic devices to biochemical analyses. From classic dyes such as cyanines, squaraines, porphyrins, phthalocyanines, and others to the newest functional π-conjugation systems, various types of functional dyes are dealt with extensively in the book, focusing especially on the state of the art and the future. Readers will benefit greatly from the scientific context in which organic dyes and pigments are comprehensively explained on the basis of chemistry.


Gold Clusters, Colloids and Nanoparticles I

Gold Clusters, Colloids and Nanoparticles I
Author: D. Michael P. Mingos
Publisher: Springer
Total Pages: 287
Release: 2014-09-27
Genre: Science
ISBN: 3319078488

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The series Structure and Bonding publishes critical reviews on topics of research concerned with chemical structure and bonding. The scope of the series spans the entire Periodic Table and addresses structure and bonding issues associated with all of the elements. It also focuses attention on new and developing areas of modern structural and theoretical chemistry such as nanostructures, molecular electronics, designed molecular solids, surfaces, metal clusters and supramolecular structures. Physical and spectroscopic techniques used to determine, examine and model structures fall within the purview of Structure and Bonding to the extent that the focus is on the scientific results obtained and not on specialist information concerning the techniques themselves. Issues associated with the development of bonding models and generalizations that illuminate the reactivity pathways and rates of chemical processes are also relevant. The individual volumes in the series are thematic. The goal of each volume is to give the reader, whether at a university or in industry, a comprehensive overview of an area where new insights are emerging that are of interest to a larger scientific audience. Thus each review within the volume critically surveys one aspect of that topic and places it within the context of the volume as a whole. The most significant developments of the last 5 to 10 years should be presented using selected examples to illustrate the principles discussed. A description of the physical basis of the experimental techniques that have been used to provide the primary data may also be appropriate, if it has not been covered in detail elsewhere. The coverage need not be exhaustive in data, but should rather be conceptual, concentrating on the new principles being developed that will allow the reader, who is not a specialist in the area covered, to understand the data presented. Discussion of possible future research directions in the area is welcomed. Review articles for the individual volumes are invited by the volume editors. Readership: research scientists at universities or in industry, graduate students Special offer For all customers who have a standing order to the print version of Structure and Bonding, we offer free access to the electronic volumes of the Series published in the current year via SpringerLink.


Protein Engineering

Protein Engineering
Author: Peter C. E. Moody
Publisher: IRL Press
Total Pages: 104
Release: 1990
Genre: Science
ISBN:

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The aim of protein engineering is to improve or alter the properties of proteins in a rational, pre-determined way. This requires an understanding of the scope, structure, and function of proteins. The increasing importance of the subject is reflected in the widening range of courses coveringthe topic. This book provides a clear, up-to-date review of the subject and explains the principles and applications. Topics covered include analysis of mutant proteins, understanding of structure-activity relationships, and the application of protein engineering to industrial and medical problems.


Supramolecular Catalysis

Supramolecular Catalysis
Author: Piet W.N.M. van Leeuwen
Publisher: John Wiley & Sons
Total Pages: 708
Release: 2021-12-31
Genre: Technology & Engineering
ISBN: 3527832041

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Supramolecular Catalysis Provides a timely and detailed overview of the expanding field of supramolecular catalysis The subdiscpline of supramolecular catalysis has expanded in recent years, benefiting from the development of homogeneous catalysis and supramolecular chemistry. Supramolecular catalysis allows chemists to design custom-tailored metal and organic catalysts by devising non-covalent interactions between the various components of the reaction. Edited by two world-renowned researchers, Supramolecular Catalysis: New Directions and Developments summarizes the most significant developments in the dynamic, interdisciplinary field. Contributions from an international panel of more than forty experts address a broad range of topics covering both organic and metal catalysts, including emergent catalysis by self-replicating molecules, switchable catalysis using allosteric effects, supramolecular helical catalysts, and transition metal catalysis in confined spaces. This authoritative and up-to-date volume: Covers ligand-ligand interactions, assembled multi-component catalysts, ligand-substrate interactions, and supramolecular organocatalysis and non-classical interactions Presents recent work on supramolecular catalysis in water, supramolecular allosteric catalysis, and catalysis promoted by discrete cages, capsules, and other confined environments Highlights current research trends and discusses the future of supramolecular catalysis Includes full references and numerous figures, tables, and color illustrations Supramolecular Catalysis: New Directions and Developments is essential reading for catalytic chemists, complex chemists, biochemists, polymer chemists, spectroscopists, and chemists working with organometallics.


Supramolecular Coordination Complexes

Supramolecular Coordination Complexes
Author: Sankarasekaran Shanmugaraju
Publisher: Elsevier
Total Pages: 498
Release: 2022-10-28
Genre: Science
ISBN: 0323907059

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Supramolecular Coordination Complexes: Design, Synthesis, and Applications discusses the growth of the field and explores the advantages, opportunities and latest applications of supramolecular complexes. Beginning with an introduction to design principles, synthetic methods, and post-synthetic functionalization of supramolecular complexes, the book goes on to compile the different analytical and computational modeling methods used to understand the structure and functional properties of supramolecular structures. Applications of supramolecular complexes in biomedicine, sensing, catalysis and materials are then explored in detail. Drawing on the knowledge of a global team of experts, this book provides a wealth of interesting information for students and researchers working in the design, synthesis or application of such complexes. Discusses cutting-edge approaches for the investigation of supramolecular coordination chemistry Summarizes a varied range of supramolecular coordination, complex designs and applications Highlights the interdisciplinary connections between supramolecular chemistry and the fields of biology and materials science


Expanded, Contracted & Isomeric Porphyrins

Expanded, Contracted & Isomeric Porphyrins
Author: Jonathan L. Sessler
Publisher: Elsevier
Total Pages: 546
Release: 1997
Genre: Science
ISBN: 9780080420936

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Paperback. The porphyrins are a class of naturally-occurring macrocycles and are ubiquitous in our world. As such, they have been called the Pigments of Life. This auspicious designation reflects their importance in numerous biological functions. Indeed, life as we understand it relies on the full range of biological processes that are either performed by or catalyzed by porphyrin-containing proteins. Chlorophyll-containing photosynthetic reaction centers in plants, for instance, convert light energy into chemical energy while producing oxygen along the way. It is this oxygen, evolved from photosynthesis, that is transported, stored, and reduced by heme-containing proteins in many organisms, including mammals. Not surprisingly, therefore, these molecules remain of fundamental interest to chemists and biochemists. Indeed, they continue to be intensely investigated by researchers world-wide.Inspired by the importance of the porphyrins, a new research di