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Digilab Ftir
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Fourier Transform Infrared (FTIR) Spectroscopy $170.47 This research work was performed to examine the feasibility of using Fourier transform infrared (FTIR) spectroscopy (in the midIR range, 4000400 cm1) to i) detect and identify bacterial cells. The greatest spectral variation was observed between 1800 cm1 and 900 cm1: for amide I band at 1650 cm1, amide II band at 1540 cm1, CH3 and CH2 of protein components around 1455 cm1 and 1398 cm1, P=O of the phosphodiester backbone of nucleic acids around 1242 cm1 and 1080 cm1, and polysaccharide compounds around 1050 950 cm1. From the second derivative transformation and loadings plot, FTIR showed the potential to detect sublethally injured and dead cells and discriminate between different types and degrees of cell injury. Author: AlQadiri, Hamzah Binding Type: Paperback Number of Pages: 204 Publication Date: 2011/02/07 Language: English Dimensions: 5.98 x 9.02 x 0.47 inches |
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Characterizing Osteoblast Mineralization Using Ftir $95.59 The ability of a cholesterolreducing drug, simvastatin, to stimulate the formation of hydroxyapatite in an osteoblastlike cell line, was studied using Fourier transform infrared spectroscopy. Hydroxyapatite was detected using both Fourier transform infrared spectroscopy and von Kossa staining techniques a week earlier when cells were cultured in growth media supplemented with simvastatin in a tissue culture polystyrene system. Analysis of infrared spectra using area integration and curvefitting techniques was performed to quantify the hydroxyapatite content in cells relative to the biological matrix. Infrared spectroscopy was used to quantify the mineralization process. Cells grown in a rotating bioreactor mineralized more rapidly than cells grown in tissue culture polystyrene systems. Author: Potdar, Alka Binding Type: Paperback Number of Pages: 116 Publication Date: 2010/05/20 Language: English Dimensions: 5.98 x 9.01 x 0.27 inches |
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Liquid Chromatography/Ftir Microspectroscopy/Microwave Assisted Synthesis $223.28 No Synopsis Available |
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InSitu Spectroscopy of Monomer and Polymer Synthesis $332.97 This book is a collection of selected papers presented at the Symposium titled In situ Spectroscopy of Monomer and Polymer Synthesis, held at the April 2001 ACS National Meeting in San Diego, California, USA. In situ spectroscopic monitoring is gaining popularity both in academe and industry. FTIR monitoring is used most frequently, but UVVisible, Raman and NMR spectroscopy are also important. This book concentrates mostly on FTIR monitoring, both in the Near and Mid Infrared range. Author: Williams, Suzanne F./ Puskas, Judit E./ Storey, Robson F. Binding Type: Hardcover Number of Pages: 232 Publication Date: 2003/01/31 Language: English Dimensions: 9.21 x 6.14 x 0.56 inches |
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Fundamentals of Fourier Transform Infrared Spectroscopy $254.83 Fundamentals of Fourier Transform Infrared Spectroscopy teaches the basics of FTIR spectroscopy to those new to the field and serves as an excellent reference for experienced users. This book explains difficult theoretical concepts using diagrams and easytounderstand language with a minimum of complex mathematics. It contains a unique chapter on spectral data manipulation and a discussion of the 15 pitfalls of quantitative analysis. The comprehensive glossary provides quick and easy access to important FTIR terms. Author: Smith, Brian C./ Smith/ Smith, B. C. Binding Type: Hardcover Number of Pages: 224 Publication Date: 1995/12/20 Language: English Dimensions: 9.52 x 6.38 x 0.68 inches |
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Historic Textiles, Papers, and Polymers in Museums $414.22 Reviews the scientific methods used to examine artifacts and art objects in order to accurately assess their condition and prescribe care, exhibition and storage. The volume discusses the aging of natural and synthetic polymers such as wool, cotton, silk, paper, wood and polymers used in sculptures, photographs, film and other media. Important analytical methods such as size exclusion, chromatography, viscometry, and gel electrophoresis, are described in assessing damage in silk textiles. Microchemical manipulation, light microscopy and FTIR spectroscopy techniques are described in the analysis of historic cotton fibers, including those from a marine environment. This text also introduces laser surface profilometry as a novel technique for the examination of polymer surfaces. Also included is a comparison of natural and artificial aging effects of cellulose acetate artifacts as followed by FTIR spectroscopy and ion chromatography, and the applications of light microscopy and FTIR spectroscopy to distinguish between oil and acrylic painting media. All the information provided can be taken straight to the workplace and will be and extremely useful book for those working in the preservation of historic objects. Author: Cardamone, Jeanette M./ Baker, Mary T./ Cardamone, Jeanette M. Series Title: ACS Symposium Series Number: 779 Binding Type: Hardcover Number of Pages: 240 Publication Date: 2000/12/28 Language: English Dimensions: 9.32 x 6.26 x 0.84 inches |
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Handbook of Benzoxazine Resins (Hardcover) $553.93 This handbook provides a wide overview of the field, fundamental understanding of the synthetic methods and structure/property correlation, as well as studies related to applications in a wide range of subjects. The handbook also provides 1H and 13C NMR spectra, FTIR spectra, DSC and TGA thermograms to aid in research activities. Additional tables on key NMR and FTIR frequencies unique to benzoxazine, heat of polymerization, Tg, and char yield will greatly aid in the choice of proper benzoxazine for a specific application.Provides thorough coverage of the chemistry and applications of benzoxazine resins with an evidence-based approach to enable chemists, engineers and material scientists to evaluate effectivenessFeatures spectra, which allow researchers to compare results, avoid repetition and save time as well as tables on key NMR frequency, IR frequency, heat of polymerization, of many benzoxazine resins to aid them in selection of materialsWritten by the foremost experts in the field |
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Boron Nitride Thin Films by Lorenzzi, Jean [Paperback] $98.77 In this work we present the results of the thin films of boron nitride deposited by D.C. and R.F. magnetron sputtering from hotpressed B4C and hBN targets on two different substrates: Si3N4 ceramics with different surface finishing and Si(100) wafers. The influence of parameters such as substrate temperature and working gas composition ratio (N2 or Ar), on film thickness, deposition rate, cristallinity, residual stress, phase composition and hardness, were systematically investigated using techniques like SEM, XRD, FTIR and nanohardness. Author: Lorenzzi, Jean Binding Type: Paperback Number of Pages: 96 Publication Date: 2010/07/13 Language: English Dimensions: 5.98 x 9.01 x 0.22 inches |
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The Guanidines $116.3 The story in this book is about a series of 1(2 methoxyphenyl)3pivaloyl thiourea. substituted guanidine which were synthesized in good yield by condensation reaction of 1(2methoxyphenyl)3 pivaloyl substituted thiourea with different aromatic amines by using HgCl2 as guanilating agent. These guanidines have a very high tendency to coordinate with Cu (II). All the spectroscopic results indicate that guanidines act as bidentate ligands through oxygen and nitrogen atoms. The products were characterized by using FTIR, NMR (1H, 13C) and magnetic susceptibility techniques. The guanidines and their copper complexes were also subjected to various microorganisms in order to establish their bactericidal activity. In short this book is very much beneficial both for bigginers and for higher research scholars. Author: Rehman, Wajid/ Ahmad, Jamil/ Badshah, Amin Binding Type: Paperback Number of Pages: 76 Publication Date: 2011/05/03 Language: English Dimensions: 9.02 x 5.98 x 0.18 inches |
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Interplay of Charge Order and Superconductivity $213.49 In this thesis the optical properties of quasi twodimensional organic molecular crystals are investigated. Within this class of materials some systems are metallic, some are insulating due to chargeorder, and others even become superconducting. The driving force behind the ground states is the di erent degree of e ective electronic correlations. Recent experimental and theoretical studies of strongly correlated materials suggest that uctuations of the ordered state may mediate superconductivity. The intention of this work is to prove the presence of such charge uctuations and reveal their relation to superconductivity. To do this, we investigated BEDTTTF based organic conductors by optical spectroscopy covering a broad frequency (820000 cm 1 ) and temperature (1.8300 K) range using FTIR and THzspectrometers. In addition, the transport properties are investigated by dc fourpoint contact measurements and microwave cavity perturbation technique. Author: Kaiser, Stefan Binding Type: Paperback Number of Pages: 268 Publication Date: 2011/02/22 Language: English Dimensions: 5.98 x 9.02 x 0.61 inches |
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Phase Behavior in Pevoh Blends with Solvating Polymers $156.13 The main objective of this study is to show the effects of hydrogen bonding on the phase behavior of Polyethylenecovinyl alcohol (pEVOH), paraPolyvinylpyridine (pVPy), Polynbutylmethacrylate (pBMA) ternary polymer blends by using Fourier Transform Infrared Spectroscopy Attenuated Total Reflectance (FTIR/ATR). The association model of Painter, Coleman, and coworkers was used to analyze the effect of hydrogen bonding on miscibility of polymer blends containing EVOH. In the work presented here, the main goal was to check the applicability of the association model extended to ternary systems for EVOH/PVPy/PBMA blends and to determine the ability of the theory to predict the ternary miscibility diagram of this system. Miscibility windows at given temperatures are predicted based on the inferred thermodynamics of hydrogen bonding and assumptions about the physical interactions based on the Flory Huggins model. Author: Keskin, Sevgul Binding Type: Paperback Number of Pages: 204 Publication Date: 2010/06/20 Language: English Dimensions: 5.98 x 9.01 x 0.46 inches |
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High Energy Electron Irradiation Effects in Polymers $137.01 Radiation induced damages in materials has always been a topic of great interest in various fields of sciences. In this book the author presents irradiation effect of 8MeV/2MeV electron beam on various physical properties of thermoplastic polymers viz., Polypropylene (PP), High density polyethylene (HDPE), Ultrahigh molecular weight ethylene (UHMWPE), Poly (ethylenecovinyl acetate) (EVA) and Poly (vinyl chloride) (PVC). The book presents detailed discussion on modifications in structural, optical, electrical and thermal properties of polymers studied by means of FTIR spectrometer, UVvis absorption spectrophotometer, impedance analyzer and TA instruments. The vast database generated in the book serves as a novel repository of systematic information on these polymers. Author: H. G., Harish Kumar Binding Type: Paperback Number of Pages: 152 Publication Date: 2011/05/09 Language: English Dimensions: 9.02 x 5.98 x 0.35 inches |
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Entwicklung Eines (Multi)Touch Systems $129.05 Multitouchgerte sind visuell interaktive Eingabesysteme, die ber einen Touchscreen mehrere Berhrungen von Fingern gleichzeitig registrieren und verarbeiten knnen. In dieser Arbeit wird der Aufbau eines solchen Systems mitsamt seiner enthaltenen Komponenten detailliert beschrieben. Geeignete Compliant Layer und dazugehrige Trennschichten oder Trennmittel sowie Foliensysteme fr das verwendete Prinzip der Frustrated Total Internal Reflection (FTIR) werden untersucht. Ebenfalls wird die Problematik geeigneter Infrarotfilter errtert. Das System wird gezielt fr das Anwendungsszenario benutzerfreundlicher, subjektiver Qualittsbewertungstests entwickelt. Ferner werden vorhandene Softwareschnittstellen mit MultitouchFhigkeiten untersucht, Anforderungen an die Softwaregestaltung fr subjektive Qualtittsbewertungsmethoden aufgezeigt und Anregungen fr die Umsetzung gegeben. Author: Schmetzer, Tobias Binding Type: Paperback Number of Pages: 132 Publication Date: 2010/03/19 Language: German Dimensions: 5.98 x 9.01 x 0.30 inches |
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High-performance Thin-layer Chromatography (Hptcl) (Hardcover) $450.91 The present edited book is the presentation of 18 in-depth national and international contributions from eminent professors, scientists and instrumental chemists from educational institutes, research organizations and industries providing their views on their experience, handling, observation and research outputs on HPTLC, a multi-dimensional instrumentation. The book describes the recent advancements made on TLC which have revolutionized and transformed it into a modern instrumental technique HPTLC. The book addresses different chapters on HPTLC fundamentals: principle, theory, understanding; instrumentation: implementation, optimization, validation, automation and qualitative and quantitative analysis; applications: phytochemical analysis, biomedical analysis, herbal drug quantification, analytical analysis, finger print analysis and potential for hyphenation: HPTLC future to combinatorial approach, HPTLC-MS, HPTLC-FTIR and HPTLC-Scanning Diode Laser. The chapters in the book have been designed in such away that the reader follows each step of the HPTLC in logical order. |
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Removing of Some Organic and Inorganic Pollutants $168.87 The use of Iraqi Clay Minerals (ICM) for the removal of hazardous organic and inorganic water pollutants is investigated using synthetic aqueous solutions. Four locally available clays namely, bentonite, kaolinite, porcelainite and diatomite, were purified, sampled and characterized by XRD, XRF, FTIR spectroscopy and SEM. The surface areas were determined using BET and methylene blue adsorption method. Cation exchange capacity (CEC) was estimated using the method of adsorbing an ethylenediamine complex of copper method and the modifier loading was calculated from the total carbon analysis. The four ICM together with their organically modified forms with hexadecyltrimethylammonium(HDTMA) and phenyltrimethylammonium (PTMA)were used to study their ability to scavenge phenol and some heavy metals from aqueous solutions. Equilibration time, pH effect and initial adsorbate concentration preceded the detailed extraction study. Author: AlDujaili, Ammar H./ F. AlKaram, Uday/ Jabar a. Mukhlus, Abdul Binding Type: Paperback Number of Pages: 212 Publication Date: 2010/11/17 Language: English Dimensions: 6.00 x 9.02 x 0.48 inches |
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Chitin and Chitosan Membranes $111.53 In the present scenario most of the synthetic polymers, because of their biocompatibility and biodegradability are much more limited than those of the natural polymers such as Cellulose, Chitin, Chitosan and their derivatives. Chitin and Chitosan are more versatile, renewable and promising biomaterials waiting for commercial promotion. The reaction of chitosan is considerably more versatile than cellulose because of the presence of NH2groups. Application of Chitosan in the field of medicine, agriculture, food, cosmetics, and biopharmaceuticals is a remarkable one. This manuscript presents the preparation of chitosan membranes cross linked with sulphuric acid to improve the proton conductivity. This also throws light on the characterization of the membranes by UVVis, FTIR XRD. The interaction detected decreases the membrane crystallinity which can be used to monitor the progress of the cross linking reaction. The optical absorption and transmittance data are used for the identification of band gap, refractive index, extinction coefficient and nature of the transitions Author: Sri, S. Sharmila Binding Type: Paperback Number of Pages: 96 Publication Date: 2011/06/28 Language: English Dimensions: 9.02 x 5.98 x 0.23 inches |
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Seaweed Polysaccharides by Tuvikene, Rando [Paperback] $117.9 The Baltic Sea is a unique ecosystem, where low salinity forces its marine inhabitants to live under strong environmental stress conditions. For red algae this appears in their morphology, lifehistory cycle or polysaccharide composition. The gelling ability of such polysaccharides gives the basis for the vital functions of the red algae, as well as for their use in the food industry and microbiology. Gels as finely reticulated structures act as specific molecular sieves and give algae the needed flexibility to withstand marine conditions. Thus the structureproperty relations of such polysaccharides can be of interest in both the scientific and industrial field. In this book the relationships between the polysaccharide structures from the seaweeds of the Baltic Sea origin, their chemical composition, rheological properties and gel structures were investigated. The complex polysaccharides were characterized by NMR and FTIR spectroscopy, chemical analysis, ICPOES, ETAAS and size exclusion chromatography methods in comparison with well known commercial galactan preparations. Author: Tuvikene, Rando Binding Type: Paperback Number of Pages: 152 Publication Date: 2010/07/05 Language: English Dimensions: 5.98 x 9.01 x 0.35 inches |
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Immunoassay Test Strip for MicrocystinLr Detection. $115.71 MicrocystinLR (MCLR) is hepatotoxic to animals and humans with disruption of liver structure causing cytoskeletal damage, necrosis and pooling of blood in the liver, leading to large increase in liver weight. It is also a strong liver tumor promoter and protein phosphatase inhibitor. MicrocysinLR binds protein phosphatases 1 and 2A, and influences regulation of cellular protein phosphorylation. In the present study, a colloidal gold based immunoassay test strip was developed for MicrocystinLR detection. The detection limit was found to be 1 ng/mL. 5 nm colloidal gold test strips exhibits more efficient for detection, compared with 20 nm colloidal gold test strips. The interaction between MicrocystinLR antibody (immunoglobulin G) and colloidal gold nanoparticles was investigated by various analytical methods, including Ultraviolet/Visible (UVNIS), Fourier Transform Infrared (FTIR) and Fluorescence spectroscopy as well as transmission electron microscopy (TEM). Author: Xu, Jiesi Binding Type: Paperback Number of Pages: 64 Publication Date: 2011/09/02 Language: English Dimensions: 9.69 x 7.44 x 0.13 inches |
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