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Study of Different Relaxation Modes in Chiral Liquid Crystal Materials: Dielectric studies of anti ferroelectric liquid crystal
This book entitled “Study of different relaxation modes in chiral liquid crystal materials” describes studies of thermodynamical, optical and electrical properties of two highly tilted chiral liquid crystalline materials. Important features of antiferroelectric liquid crystals are tri state switching behavior, easy DC compensation, microsecond response, hemispherical viewing angle. In spite of all these properties AFLCs give incomplete extinction of the light in the dark state resulting in poor contrast. Solution to this problem has been found with the synthesis of material having large tilt angle.
RAINBOW LIQUID - 5ml SHIFT colour change
We have produced a small batch of Stuart Semple's RAINBOW LIQUID coating as 5ml refills. This amazing living coating is designed to be applied over Black 2.0 to create a surface that morphs through the spectrum between temperatures of 24 and 29 degrees C. Although RAINBOW LIQUID will work on other surfaces and over other materials, we recommend dark non-porous surfaces and find Black 2.0 gives the best results. RAINBOW LIQUID is a very special coating that uses the best quality Chiral Liquid (one of the world's most expensive colour changing substances, a very special member of the liquid crystal living materials family). Stuart has incorporated this substance into a unique varnish that is perfectly compatible with BLACK 2.0, and designed to shift colour on almost any surface (even unicorns!) THIS REFILL CONTAINS: 5ml of RAINBOW LIQUID note: BLACK 2. sold separately Estimated coverage 50cm square (depending on how porous surface is and how many coats are required). HOW TO USE IT: RAINBOW LIQUID can be applied by brush or airbrush. To brush - apply at room temperature and ensure that Rainbow Liquid is well stirred. Use a soft brush and apply a thin even layer (ideally over dry black 2.0 or another dark surface). Re-coat after a couple of hours id needed. To airbrush - mix a small ...
Brand: Stuart Semple ASIN: B0758JSJTF UPC: 618564617284
Future Directions in
Future Directions in Biocatalysis, Second Edition, presents the future direction and latest research on how to utilize enzymes, i.e., natural catalysts, to make medicines and other necessities for humans. It emphasizes the most important and unique research on biocatalysis instead of simply detailing the ABC’s on the topic. This book is an indispensable tool for new researchers in the field to help identify specific needs, start new projects that address current environmental concerns, and develop techniques based on green technology. It provides invaluable hints and clues for conducting new research on enzymes, with final sections outlining future directions in biocatalysis further expanding the science into new applications.Gives future directions in the area of biocatalysis researchPresents research topics based on their uniqueness, originality, and novelty Includes many explanatory figures to demonstrate concepts to both organic chemists and biochemistsShows that there is no boundary between organic chemistry and biochemistry
SHIFT - Colour changing rainbow paint - Black 2.0 x Rainbow
SHIFT makes it easy to create a variety of colour-shifting artworks and objects. Finally it's possible for all artists* from anywhere in the world to paint with the rainbow! SHIFT changes from BLACK through the spectrum at temperatures between 24 and 29 degrees centigrade. When you touch things coated with it your body heat will enable them to change colour, or they will change in different environments. SHIFT makes use of BLACK 2.0 (the mattest, flattest black acrylic) as a base coat and Stuart's RAINBOW LIQUID, which is a very special coating that uses the best quality Chiral Liquid (one of the world's most expensive colour changing substances) in a unique varnish that is perfectly compatible with BLACK 2.0, and designed to shift colour on almost any surface (even unicorns!) Each colour changing paint pack contains: 50ml Black 2.0 acrylic paint 2ml Rainbow Liquid coating Estimated coverage 20cm square (depending on how porous surface is and how many coats are required). HOW TO USE IT: BASE LAYER paint your object or artwork with BLACK 2.0 (use a soft brush and a LITTLE paint) you might need a couple of coats. If you are coating a porous surface (cardboard, wood etc it's a good idea to seal it first with watered down PVA glue RAINBOW LIQUID (can be applied by brush OR spray airb...
Brand: Stuart Semple ASIN: B0759SLCT7 UPC: 618564617321
Differentiation of Chiral Compounds Using NMR
An updated guide to the most current information available for determining how to use NMR spectroscopy to differentiate chiral compounds Differentiation of Chiral Compounds Using NMR Spectroscopy offers a thoroughly revised second edition to the essential volume that puts the focus on the chiral systems that are commercially available and have been widely vetted for use in NMR spectroscopy. The text covers a broad range of reagents that make it possible to determine the enantiomeric purity and assign the absolute configuration of many classes of compounds. Comprehensive in scope, the text describes the chiral NMR differentiating agents as derivatizing agents, solvating agents, metal-based reagents and liquid crystals and gels, and explains the range and types of compounds for which they can be used for analysis. New to this edition are the most recent findings in the field as well as the development of advanced NMR measurement techniques that allow for the simplification of complex spectra resulting in more readily identified enantiodifferentiation. This important resource: Includes the most recent coverage of a large range of compounds that can be analyzed using chiral NMR reagents Explores the use of chiral NMR reagents and explains their relationship to the stereochemistry ...
Optics of Chiral Liquid Crystals (Soviet Scientific Reviews Series, Section
Part of a series reporting to the West on significant developments in Soviet physics research, this book should be of particular interest to research scientists who do not read Russian. It examines the optics of cholesteric and smectic liquid crystals and blue phases in detail. Special attention is directed to the properties of liquid crystals near the phase transition temperatures.
TCI America: (S)-(+)-2-Pentanol, P0743-5ML, 98.0%
Chemical Name: (S)-(+)-2-PentanolCAS: 26184-62-3MDL Number: MFCD00065952Purity: >98.0% (GC)Molecular Formula: C5H12OMolecular Weight: 88.15Boiling Point (degC): 119Storage Temperature (degC): 15-25 degCProduct Categories: Chemistry, Chiral Building Blocks, Chiral Non-Heterocyclic Building Blocks, Materials Science, Liquid Crystal (LC) Building Blocks, Chiral Compounds [Liquid Crystal (LC) Building Blocks]TCI America, a division of Tokyo Chemical Industry, offers more than 27,000 high quality organic reagents for research and development.
Brand: TCI ASIN: B078HFK4MW
Diffraction Optics of Complex-Structured Periodic Media: Localized Optical Modes of Spiral Media (Springer Series in Optical
This book presents recent theoretical and experimental results of localized optical modes and low-threshold lasing in spiral photonic media. Efficient applications of localized modes for low-threshold lasing at the frequencies of localized modes are a central topic of the book's new chapters. Attention is paid to the analytical approach to the problem. The book focuses on one of the most extensively studied media in this field, cholesteric liquid crystals. The chosen model, in the absence of dielectric interfaces, allows to remove the problem of polarization mixing at surfaces, layers and defect structures. It allows to reduce the corresponding equations to the equations for light of diffracting polarization only. The problem concentrates then on the edge and defect optical modes. The possibility to reduce the lasing threshold due to an anomalously strong absorption effect is presented theoretically for distributed feedback lasing. It is shown that a minimum of the threshold-pumping wave intensity can be reached for the pumping wave frequency coinciding with the localized mode frequency (what can be reached for a pumping wave propagating at a certain angle to the helical axes). Analytic expressions for transmission and reflection coefficients are presented. In the present sec...
Chiral Recognition in Molecular and Macromolecular Pairs of Liquid Crystals of (2R, 3S)- and (2S, 3S)-2-Fluoro-3-methylpentyl-4'-(11- Vinyloxyundecanyloxy)biphenyl-4-carboxylate
TCI America: (S)-(+)-3-Methyl-1-pentanol, M0963-1ML, 98.0%
Chemical Name: (S)-(+)-3-Methyl-1-pentanolCAS: 42072-39-9MDL Number: MFCD00135167Purity: >98.0% (GC)Molecular Formula: C6H14OMolecular Weight: 102.18Boiling Point (degC): 152Storage Temperature (degC): 15-25 degCProduct Categories: Materials Science, Liquid Crystal (LC) Building Blocks, Chiral Compounds [Liquid Crystal (LC) Building Blocks]TCI America, a division of Tokyo Chemical Industry, offers more than 27,000 high quality organic reagents for research and development.
Brand: TCI ASIN: B078H4DTQY