Relevant bibliographies by topics / Characterization and analytical techniques

Academic literature on the topic 'Characterization and analytical techniques'

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Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Characterization and analytical techniques"

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Collins, W. E., B. V. R. Chowdari, and S. Radhakrishna. "Analytical techniques for material characterization." Analytica Chimica Acta 218 (1989): 355–56. http://dx.doi.org/10.1016/s0003-2670(00)80320-7.

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Thomas Barden, Amanda, Rita Elena De Abreu Engel, Sarah Chagas Campanharo, Nadia Maria Volpato, and Elfrides Eva Scherman Schapoval. "CHARACTERIZATION OF LINAGLIPTIN USING ANALYTICAL TECHNIQUES." Drug Analytical Research 1, no. 2 (December 28, 2017): 30–37. http://dx.doi.org/10.22456/2527-2616.79220.

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Linagliptin (LGT) is a member of the class of gliptins that inhibit the enzyme dipeptidyl-peptidase-4. They are used to reduce glucose blood levels in patients with type 2 Diabetes mellitus. Due to its recent development and launching on the market, LGT has no official compendium monograph, national or international, or available registries for the qualitative determination of this drug. The objective of this work was to characterize LGT by using thermal techniques, nuclear magnetic resonance, mass and infrared spectrometry, liquid chromatography and ultraviolet spectrophotometry to be used as a chemical reference substance. The range and melting point obtained are in accordance with that described in the literature. The main groups of LGT molecule were observed in infrared spectroscopy and the molecular ion m/z 473.25 ratio was found in mass spectroscopy analysis. In UV spectroscopy, the maximum wavelength absorption of the substance in different solvents can be observed. The chromatographic methods provide selectivity for LGT and can be used to analyze it qualitatively. The proposed conditions have been successfully applied for identification and qualitative analysis of LGT as a chemical reference substance, contributing to studies of this gliptin, and to the quality control of medicines that contain it.
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Chen, Chaoxiang, Shaobin Zhu, Tianxun Huang, Shuo Wang, and Xiaomei Yan. "Analytical techniques for single-liposome characterization." Analytical Methods 5, no. 9 (2013): 2150. http://dx.doi.org/10.1039/c3ay40219c.

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Hu, Qin, Xiaojuan Gong, Lizhen Liu, and Martin M. F. Choi. "Characterization and Analytical Separation of Fluorescent Carbon Nanodots." Journal of Nanomaterials 2017 (2017): 1–23. http://dx.doi.org/10.1155/2017/1804178.

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Carbon nanodots (C-dots) are recently discovered fluorescent carbon nanoparticles with typical sizes of <10 nm. The C-dots have been reported to have excellent photophysical and chemical characteristics. In recent years, the advances in the development and improvement in C-dots synthesis, characterization, and applications are burgeoning. In this review, we introduce the most commonly used techniques for the characterization of C-dots. The characterization techniques for C-dots are briefly classified, described, and illustrated with applied examples. In addition, the analytical separation methods for C-dots (including electrophoresis, chromatography, density gradient centrifugation, differential centrifugation, solvent extraction, and dialysis) are included and discussed according to their analytical characteristics. The review concludes with an outlook towards the future developments in the characterization and the analytical separation of C-dots. The comprehensive overview of the characterization and the analytical separation techniques will safeguard people to use each technique more wisely.
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McIntyre, N. S., R. D. Davidson, S. Ramamurthy, M. J. Walzak, and M. C. Biesinger. "Characterization of coatings by surface analytical techniques." Metal Finishing 95, no. 10 (October 1997): 18–24. http://dx.doi.org/10.1016/s0026-0576(97)80694-0.

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García-Rosales, G., E. Ordoñez-Regil, J. J. Ramírez Torres, J. López Monroy, M. L. Machain-Castillo, and L. C. Longoria-Gándara. "Characterization of marine sediments using analytical techniques." Journal of Radioanalytical and Nuclear Chemistry 289, no. 2 (April 28, 2011): 407–15. http://dx.doi.org/10.1007/s10967-011-1109-8.

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Nutsch, Andreas, Fernando Araujo de Castro, Christoph Adelmann, and Blanka Adelmann. "Analytical techniques for precise characterization of nanomaterials." physica status solidi (c) 12, no. 3 (March 2015): 253–54. http://dx.doi.org/10.1002/pssc.201570078.

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Michailof, Chrysoula M., Konstantinos G. Kalogiannis, Themistoklis Sfetsas, Despoina T. Patiaka, and Angelos A. Lappas. "Advanced analytical techniques for bio-oil characterization." Wiley Interdisciplinary Reviews: Energy and Environment 5, no. 6 (March 7, 2016): 614–39. http://dx.doi.org/10.1002/wene.208.

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KAJIWARA, Tomoko, Ying Jun AN, Adchara PADERMSHOKE, Akemi KUMAGAI, Hironori MARUBAYAHI, Yuka IKEMOTO, Hiroshi JINNAI, Atsuhiko ISOBE, and Atsushi TAKAHARA. "Characterization of Microplastics by Advanced Analytical Techniques." BUNSEKI KAGAKU 71, no. 10.11 (October 5, 2022): 541–47. http://dx.doi.org/10.2116/bunsekikagaku.71.541.

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Li, Yu-Feng, Chunying Chen, Ying Qu, Yuxi Gao, Bai Li, Yuliang Zhao, and Zhifang Chai. "Metallomics, elementomics, and analytical techniques." Pure and Applied Chemistry 80, no. 12 (January 1, 2008): 2577–94. http://dx.doi.org/10.1351/pac200880122577.

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Metallomics is an emerging and promising research field which has attracted more and more attention. However, the term itself might be restrictive. Therefore, the term "elementomics" is suggested to encompass the study of nonmetals as well. In this paper, the application of state-of-the-art analytical techniques with the capabilities of high-throughput quantification, distribution, speciation, identification, and structural characterization for metallomics and elementomics is critically reviewed. High-throughput quantification of multielements can be achieved by inductively coupled plasma-mass spectrometry (ICP-MS) and neutron activation analysis (NAA). High-throughput multielement distribution mapping can be performed by fluorescence-detecting techniques such as synchrotron radiation X-ray fluorescence (SR-XRF), XRF tomography, energy-dispersive X-ray (EDX), proton-induced X-ray emission (PIXE), laser ablation (LA)-ICP-MS, and ion-detecting-based, secondary-ion mass spectrometry (SIMS), while Fourier transform-infrared (FT-IR) and Raman microspectroscopy are excellent tools for molecular mapping. All the techniques for metallome and elementome structural characterization are generally low-throughput, such as X-ray absorption spectroscopy (XAS), NMR, and small-angle X-ray spectroscopy (SAXS). If automation of arraying small samples, rapid data collection of multiple low-volume and -concentration samples together with data reduction and analysis are developed, high-throughput techniques will be available and in fact have partially been achieved.
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Dissertations / Theses on the topic "Characterization and analytical techniques"

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Pretorius, Nadine Odette. "Multidimensional analytical techniques for the characterization of aliphatic polyesters." Thesis, Stellenbosch : Stellenbosch University, 2013. http://hdl.handle.net/10019.1/80127.

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Thesis (PhD)--Stellenbosch University, 2013.
ENGLISH ABSTRACT: Complex polymers are defined by their distributive properties with respect to molecular weight, chemical composition, functionality and molecular topology. As a result, polymer properties are very frequently determined not only by one of these entities but by the correlation of two or more distributions. Aliphatic polyesters are industrially implemented in high performance coatings, paints and varnishes. However, it is typically difficult to correlate the resulting properties with the synthesis parameters as these polymers vary in reactivity and application properties. Copolyester synthesis by direct polyesterification is often assumed to produce randomized products due to the mechanisms involved in stepwise polymerization. The formation of cyclic products by intramolecular reactions of hydroxyl (OH) and carboxylic (COOH) functional groups, sidereactions such as transesterification, alcoholysis, and ester-ester interchange allow even further randomization, enabling a highly complex system. Therefore, in addition to molecular weight distribution, polyesters exhibit chemical composition, functionality type as well as branching distributions, classifying them as complex polymeric systems. The different methods of polymer chromatography in combination with sophisticated spectrometry techniques are useful tools for enabling the full description of the molecular heterogeneity of these complex polyesters. The present study entails method development of different modes of chromatography and mass spectrometry along with their combination, to facilitate the analysis of the various distributions of two model polyester systems, phthalic and maleic anhydride, respectively, in combination with propylene glycol. Gradient HPLC analysis enabled an oligomeric separation based on chemical composition of the respective anhydride/propylene glycol samples. Its off-line coupling to MALDITOF MS and ESI-QTOF MS revealed the presence of several distributions of varying endgroup functionality type and molecular weight distributions at different intervals throughout the polymerization. In addition, online gradient HPLC x size exclusion chromatography (2D-LC) was conducted to obtain the dual chemical composition-molecular weight (CCD-MWD) distribution. The combination of the different coupling techniques provided the opportunity to a more in-depth analysis of the structure-property relationships.
AFRIKAANSE OPSOMMING: Komplekse polimere word gedefinieer deur hul verdelings eienskappe ten opsigte van molekulêre massa, chemiese samestelling, funksionaliteit en molekulêre topologie. Gevolglik, word hul eienskappe dikwels bepaal deur nie net een van hierdie entiteite nie, maar ‘n korrelasie van twee of meer verdelings. Alifatiese poliësters word industrieel geϊmplimenteer in hoë werkverrigting bestrykings, verwe en politoere, dog is dit tipies moeilik om die uiteinde eienskappe met die verwante sintese parameters te korrelleer, aangesien die polimere varieer in reaktiviteit en toepassingseienskappe. Ko-poliëster sintese vanaf direkte poliësterivering word dikwels aanvaar om willekeurige produkte op te lewer as gevolg van die meganismes wat betrokke is tydens trapgroei polimerisasie. Die produsering van sikliese produkte weens intra-molekulêre reaksies van hidroksiel(OH) en karboksiel (COOH) verwante funksionele groepe, newereaksies soos transverestering, alkoholise en ester-ester verwisseling, het verdere ewekansigmaking tot gevolg wat ‘n hoog gekomplekseerde sisteem tot gevolg het. Benewens die molekulere massa verdeling, vertoon poliësters dus chemiese samestelling, funksionaliteit tipe so wel as vertakkings verdeling wat hul as komplekse polimeer sisteme klassifiseer. Die verskillende metodes van polimeer chromatografie in kombinasie met gesofistikeerde spektrometriese tegnieke dien as nuttige bronne vir die volledige beskrywing wat betref die molekulêre heterogeniteit van komplekse poliesters. Die huidige studie stel metode ontwikkeling van verskillende modus van chromatografie, massa spektrometrie sowel as hul aaneenvoeging bekend, om die die verskillende verdelings van twee model poliester sisteme, ftaal- en maleϊensuuranhidried onderskeidelik in kombinasie met propileenglikol, suksesvol te analiseer. Gradiënt hoë-druk vloeistof chromatografie (HPLC) analise het ‘n oligomeriese skeiding, gebaseer op die chemiese samestelling van die verskeie anhidried /propileenglikol monsters, opgelewer. Die nie-gekoppelde skakeling met matriks-assisteerdelaser/ desorpsie-ionisasie tyd-van-vlug (MALDI-TOF) en elektron-sproei-ionisasie kwadrupool-tyd-van-vlug (ESI-QTOF) massa spektrometrie het die teenwoordigheid van verskeie verdelings van varieërende endgroep funksionaliteit tipe en molekulêre verdelings by verskillende intervalle tydens die polimerisasie aan die lig gebring. Gekoppelde skakeling van gradient HPLC en grootte uitsluitings chromatografie is ook uitgevoer om die tweedelige chemiese samestelling-molekulere massa verdeling te bepaal. Aaneenvoeging van die verskeie skakelings tegnieke het die geleentheid gebied om ‘n deeglike studie van die struktuureienskappe verhoudinge suksesvol uit te voer.
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Li, Linlin. "Microstructure characterization of polymers by modern NMR techniques." University of Akron / OhioLINK, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=akron1353000762.

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Maku, Lebogang Jennifer. "Identification and characterization of additives in colourants by advanced analytical techniques." Thesis, Stellenbosch : Stellenbosch University, 2015. http://hdl.handle.net/10019.1/98084.

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Thesis (MSc)--Stellenbosch University, 2015.
ENGLISH ABSTRACT: Various types of anionic, non-ionic, cationic and zwitterionic additives are used in the coatings industry for the production of paints and colourants. These additives are added to enhance properties such as stabilization of pigment dispersions, wetting of pigments and improvement of open time and freeze/thaw stability. Very often the exact chemistry of these commercial additives is unknown and this is a limitation for new product developments. The identification and characterization of these multi-component polymeric materials continues to be a challenging task. This research presents the use of various advanced analytical techniques to identify and characterize commercial additives that are used in a multi-component colourant formulation. The focus of the present study is on additives that are based on poly(ethylene glycol) (PEG). The molar mass distribution of PEG-based additives was determined with liquid chromatography coupled to mass spectrometry (LC-MS) using solvent gradient elution and at critical conditions of adsorption (LCCC) of PEG. Using the combination of LC-MS, proton nuclear magnetic resonance spectroscopy (1H NMR), pyrolysis gas chromatography (py-GC-MS) and Fourier transform infrared spectroscopy in attenuated total reflectance mode (FTIR-ATR), different additives were identified in terms of the number and type of polymer end groups. The efficiency of the extraction and identification protocol was demonstrated for a blend of additives in a colourant formulation.
AFRIKAANSE OPSOMMING: Verskeie tipes anioniese, nie-ioniese, kationiese en zwitterioniese bymiddels word gebruik in die bedekking nywerheid vir die vervaardiging van verwe en kleurmiddels. Hierdie bymiddels word bygevoeg om sekere eienskappe, soos die stabilisering van pigment dispersie, benatting van pigmente en die verbetering van ope tyd en vries/dooi stabiliteit te versterk. Dikwels is die presiese chemie van hierdie kommersiële bymiddels onbekend en het dit ʼn beperking vir nuwe produk ontwikkeling tot gevolg. Die identifisering en karakterisering van hierdie meer-komponent polimeriese materiaal duur voort om ʼn uitdagings te wees. Hierdie navorsingstudie stel voor die gebruik van verskeie tegnieke om kommersiële bymiddels te identifiseer en karakteriseer wat in meer-komponent kleurmiddel formulasies gebruik word. Die fokus is geplaas op bymiddels wat gebaseer is op poli(etileen glikol) (PEG). The molêre massa verdeling van PEG-gebaseerde bymiddels was bepaal met vloeistofchromatografie gekoppel tot massaspektrometrie (VC-MS) met die gebruik van oplosmiddel gradient eluasie en by kritiese toestande van adsorpsie (VCKT) van PEG. Deur die kombinasie van VC-MS, proton kern magnetiese resonansie spektroskopie (1H KMR), pirolisegaschromatografie (pir-GC-MS) en Fourier-transformasie infrarooi spektroskopie in verswakking totale refleksie modus (FTIR-VTR), is verskillende bymiddels geïdentifiseer in terme van die hoeveelheid en tipe polimeer eindgroep teenwoordig. Die doeltreffendheid van die ekstrahering en identifisering protokol is gedemonstreer vir ʼn mengel van bymiddels in ʼn kleurmiddel formulering.
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Lenart, William R. "EXPANDING EXPERIMENTAL AND ANALYTICAL TECHNIQUES FOR THE CHARACTERIZATION OF MACROMOLECULAR STRUCTURES." Case Western Reserve University School of Graduate Studies / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=case1584358701735061.

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Matos, João Tiago Viana de. "Organic matter in atmospheric aerosols: molecular characterization using high-resolution analytical techniques." Doctoral thesis, Universidade de Aveiro, 2017. http://hdl.handle.net/10773/22234.

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Doutoramento em Química
Esta dissertação focou-se na caracterização química de amostras de aerossóis atmosféricos finos recolhidas numa região urbana situada na costa da Europa Ocidental, durante oitenta semanas, e representativas das diferentes estações do ano. Os dados adquiridos proporcionam um maior conhecimento sobre a composição molecular da fração orgânica dos aerossóis, bem como uma visão global sobre a contribuição de diferentes fontes e sazonalidade dos componentes carbonáceos e inorgânicos nos aerossóis. A cromatografia líquida bidimensional abrangente foi utilizada para investigar a heterogeneidade química e mapear a hidrofobicidade vs. distribuição de peso molecular das frações de ácidos mais hidrofóbicos da matéria orgânica solúvel em água (WSOM, na sigla em inglês) de aerossóis atmosféricos, revelando que a WSOM, amostrada nas estações quentes, é enriquecida em estruturas alifáticas, enquanto que a WSOM recolhidas nas estações frias contém estruturas com ligações  conjugadas juntamente com estruturas alifáticas. Foi também realizado uma comparação das características estruturais da matéria orgânica presente em extratos aquosos e extratos alcalinos, sequencialmente extraídos de aerossóis finos. Para isso, foi utilizado um método quimiométrico multidirecional para decompor conjuntos de espectros de fluorescência em modo matriz excitação-emissão de WSOM e de matéria orgânica solúvel em meio alcalino (ASOM, na sigla em inglês), numa tentativa de identificar as estruturas fluorescentes atmosfericamente mais relevantes, bem como a sua variabilidade anual. A metodologia utilizada demonstrou diferenças sazonais num dos componentes fluorescentes identificados nas amostras de WSOM, contrastantes com os resultados obtidos para as amostras ASOM, nas quais os componentes identificados foram constantes ao longo do ano. A espectroscopia de ressonância magnética nuclear (RMN) de protão foi igualmente utilizada para investigar e comparar as características estruturais das frações de WSOM e ASOM, mostrando que estas frações contêm grupos funcionais de protão semelhantes, mas com uma diferente distribuição relativa ao longo do ano. As amostras recolhidas nas estações frias apresentam um carácter menos alifáticos e oxidado e com uma maior contribuição de estruturas aromáticas que as amostras recolhidas nas estações quentes. Adicionalmente, a aplicação das técnicas bidimensionais (2D) de RMN forneceram uma excecional resolução e uma incomparável representação da assinatura molecular das amostras, o que permitiu obter um perfil detalhado da composição estrutural destas frações, assim como decifrar as suas principais fontes de emissão ao longo do ano. As frações ASOM são menos hidrofílicas e estruturalmente diversas das frações de WSOM, sendo estas últimas constituídas maioritariamente por estruturas alifáticas ramificadas ricas em hétero-átomos, de origem primária (antropogénica e natural) e secundária. Estruturas do tipo da lignina, sacarídeos, dissacarídeos, e anidrosacarídeos foram identificados nas amostras de WSOM, refletindo a influência queima de biomassa. Os dados espectrais obtidos para cada ligação H-C identificada foram também utilizados para construir um modelo estrutural semiquantitativo da fração WSOM, o qual poderá ser utilizado em futuros estudos acerca do efeito da composição química e estrutural dos aerossóis orgânicos no respetivo comportamento e impacto na química da atmosfera.
This dissertation focus on the chemical characterization of fine atmospheric aerosol samples collected at an urban site in the Western European Coast, during eighty weeks, representative of different seasons. The acquired data set provide a comprehensive and new insight on the molecular composition of the organic fraction of the aerosol components, as well as, provide a seasonal source apportionment overview of both carbonaceous and inorganic aerosol components. Comprehensive two-dimensional liquid chromatography was introduced to investigate the chemical heterogeneity and map the hydrophobicity vs. molecular weight distribution of the most hydrophobic acid fractions in water-soluble organic matter (WSOM) from atmospheric aerosols, revealing that the WSOM samples collected in warm seasons are enriched in aliphatic structures, while those from colder seasons exhibit a higher degree of structures with conjugation of -bonds alongside aliphatic structures. A comparison of the features of the organic matter present in water and alkaline extracts, sequentially extracted, from fine aerosol samples during different seasons, are also carried out. For that, a multiway chemometric method was used to decompose sets of excitation-emission matrices fluorescence spectra of WSOM and alkaline-soluble organic matter (ASOM), in an attempt to identifying the most atmospherically-relevant fluorescent structures, as well as their variability over seasons. The method shows differences between the colder and warmer seasons in the fluorescence map of one WSOM fluorescent component, which contrast with the results obtained for the ASOM, where the fluorescence signatures were found to be constant along the seasons. Proton nuclear magnetic resonance (1H NMR) spectroscopy was used for investigating and comparing the structural features of WSOM and ASOM, showing that these fractions hold similar 1H functional groups; however, they differ in terms of their relative distribution throughout the different seasons. Samples collected during the cold seasons have a less aliphatic and oxidized character and higher contributions from aromatic groups than those from warmer conditions. Furthermore, a synergistic combination of 2D NMR techniques provided an exceptional resolution and depicted unsurpassed resolved molecular signatures, which allowed portraying the annual background of the structural composition of these fractions, as well as deciphering their major source types over seasons. The ASOM fractions are less hydrophilic and structurally diverse than their WSOM counterparts. This latter component is mostly composed of heteroatom-rich branched aliphatics, having both primary (natural and anthropogenic) and secondary origin. Lignin, disaccharides, and anhydrosaccharides signatures were also identified in the WSOM samples, reflecting the biomass burning influence. The derived dataset on the H–C molecules backbone were also used to build a semi-quantitative structural model of WSOM, which can be used as a proxy to further distil key features on the atmospheric behaviour of organic aerosols.
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Sinner-Hettenbach, Martin. "SnO 2 (110) and Nano-SnO 2 characterization by surface analytical techniques /." [S.l. : s.n.], 2000. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB8884756.

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Dixon, Daniel Wayne. "Characterization of Commercial Pectin Preparations by Spectroscopic and Chromatographic Techniques." Digital Commons @ East Tennessee State University, 2008. https://dc.etsu.edu/etd/1910.

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Pectin has a long history as a food additive. However, elucidation of its fine structural and property relationships remains elusive. Recent research has focused on pectin's ability to complex with divalent heavy metals to aid in characterizing it. Commercial pectins of unknown composition were obtained from local grocers. Purified pectin samples from orange peel, lemon peel, and apple pomace, each of low and high levels of methyl esterification and of unknown distribution pattern were also purchased. Instead of metal complexation, several highly absorbing dyes such as Ruthenium Red, Nile Blue, and Acridine Orange were used to complex with the pectins and their resulting UV-Vis spectral patterns were employed to determine if one can characterize the different pectins. Chemometric methods are also included to aid in distinguishing them apart.
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Gebremichael, Ermias. "Pharmaceutical Eutectics: Characterization and Evaluation of Tolbutamide and Haloperidol using Thermal Analytical and Complementary Techniques." Toledo, Ohio : University of Toledo, 2010. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=toledo1271439418.

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Thesis (M.S.)--University of Toledo, 2010.
Typescript. "Submitted to the Graduate Faculty as partial fulfillment of the requirements of the Master of Science degree in Pharmaceutical Sciences with Industrial Pharmacy Option." "A thesis entitled"--at head of title. Title from title page of PDF document. Bibliography: p. 87-102.
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Sinner-Hettenbach, Martin. "SnO2(110) and Nano-SnO2 characterization by surface analytical techniques = SnO2(110) und Nano-SnO2 /." [S.l. : s.n.], 2000. http://deposit.ddb.de/cgi-bin/dokserv?idn=963195433.

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Danziger, James Lee. "Characterization of molecular semiconductor and multilayer molecular organic photoconductor interfaces by photoelectrochemistry and surface analytical techniques." Diss., The University of Arizona, 1990. http://hdl.handle.net/10150/185217.

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Organic semiconductor thin films are of interest to us for a variety of molecular electronic applications, including solar cells, chemical sensors, and nonlinear optical devices. We have been seeking unusual new ways of controlling the composition and long-range molecular structure of these materials through the use of vacuum deposition techniques which mimic, in some ways, those used for epitaxial layer growth in inorganic materials. Thin films of perylene tetracarboxylic dianhydride (PTCDA) have been examined as electrodes and photoelectrodes on both metal and metal oxide substrates. In contrast to most previous studies of phthalocyanine thin films, these materials behaved in such a way as to suggest n-type character, i.e. dark electron transfer reactions were facile in negative potential regions with solution redox couples, and little dark electrochemistry could be observed in regions of positive potentials. It is likely that junction formation occurs only as a result of illumination, with different rates of interfacial hole and electron injection and transport, at the PTCDA/electrolyte interface. Electron microscopy of the PTCDA films indicated that they were deposited as elongated crystallites, with relatively large spaces between individual crystallites, which strongly affected their dark and photoelectrochemical behavior, especially on Au substrates. Electrochemical polymerization of α-napthol was carried out to passivate sites that were electrochemically active in the dark, a treatment which greatly enhanced the overall electrochemical activity of these PTCDA thin films. A variety of p-n heterojunction-like structures, created from thin film molecular materials (vanadyl phthalocyanine (VOPc) and perylene tetra-carboxylic dianhydride (PTCDA)), have been nondestructively explored by photoelectrochemical techniques and UHV surface analytical techniques. Vacuum deposited bilayers and multilayers of these thin films behave like "p-n" diodes over a narrow potential window. The open circuit photopotential is determined by the junction potential formed at the Pc/PTCDA interface. It was found that the transient photocurrent (using a modulated light source) in multilayer VOPc/PTCDA assemblies was directly related to the number of interfaces present, consistent with the idea that exciton dissociation is localized primarily to such an interface, and is the photocurrent limiting process.
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Books on the topic "Characterization and analytical techniques"

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B, Matsko Nadejda, and SpringerLink (Online service), eds. Analytical Imaging Techniques for Soft Matter Characterization. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.

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Mittal, Vikas, and Nadejda B. Matsko. Analytical Imaging Techniques for Soft Matter Characterization. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30400-2.

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Riga, AT, and L. Judovits, eds. Materials Characterization by Dynamic and Modulated Thermal Analytical Techniques. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 2001. http://dx.doi.org/10.1520/stp1402-eb.

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Perry, Dale L., ed. Applications of Analytical Techniques to the Characterization of Materials. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4757-9226-3.

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L, Perry Dale, and American Chemical Society. Division of Industrial and Engineering Chemistry., eds. Applications of analytical techniques to the characterization of materials. New York: Plenum Press, 1991.

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D, Abruña Héctor, ed. Electrochemical interfaces: Modern techniques for in-situ interface characterization. New York: VCH Pub., 1991.

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Symposium D on Analytical Techniques for the Characterization of Compound Semiconductors (1990 Strasbourg, France). Analytical techniques for the characterization of compound semiconductors: Proceedings of Symposium D on Analytical Techniques for the Characterization of Compound Semiconductors of the 1990 E-MRS Fall Conference, Strasbourg, France, November 27-30, 1990. Amsterdam: North-Holland, 1991.

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Espinosa, John M. Assessment of instrumentation and analytical techniques for high temperature in situ waste stream characterization of industrial flue gases. Idaho Falls, Idaho: EG & G Idaho, Inc., 1986.

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Satellite Symposium to ESSDERC '95 (1995 Hague, Netherlands). ALTECH 95: Analytical techniques for semiconductor materials and process characterization II : proceedings of the Satellite Symposium to ESSDERC 95, The Hague, The Netherlands. Pennington, NJ: Electrochemical Society, 1995.

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Schiel, John E., Darryl L. Davis, and Oleg V. Borisov, eds. State-of-the-Art and Emerging Technologies for Therapeutic Monoclonal Antibody Characterization Volume 3. Defining the Next Generation of Analytical and Biophysical Techniques. Washington, DC: American Chemical Society, 2015. http://dx.doi.org/10.1021/bk-2015-1202.

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Book chapters on the topic "Characterization and analytical techniques"

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Kendall, David N. "Analytical Techniques for Identification and Characterization." In Handbook of Pressure Sensitive Adhesive Technology, 204–43. Boston, MA: Springer US, 1989. http://dx.doi.org/10.1007/978-1-4757-0866-0_9.

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Doğanay, Asuman, Nurdan Atιlgan, Bahar Koksel Ozgen, and Pelin Gurbetoglu. "Analytical Techniques for Characterization of Nanodrugs." In Drug Delivery with Targeted Nanoparticles, 191–221. New York: Jenny Stanford Publishing, 2021. http://dx.doi.org/10.1201/9781003164739-8.

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Kulkarni, V. V., P. S. Girish, S. B. Barbuddhe, B. M. Naveena, and M. Muthukumar. "Techniques for Characterization of Slaughterhouse Effluent." In Analytical Techniques in Meat Science, 253–59. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003230892-18.

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Mittal, Vikas, and Nadejda B. Matsko. "Introduction to Microscopy Techniques." In Analytical Imaging Techniques for Soft Matter Characterization, 3–9. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30400-2_1.

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Valdez-Vazquez, Idania, Francisco R. Quiroz-Figueroa, Julián Carrillo-Reyes, and Artemisa Medina-López. "Microscopy Applied In Biomass Characterization." In Analytical Techniques and Methods for Biomass, 173–96. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-41414-0_7.

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Kennedy, Gordon J. "Advances in NMR Techniques for Hydrocarbon Characterization." In Analytical Advances for Hydrocarbon Research, 369–84. Boston, MA: Springer US, 2003. http://dx.doi.org/10.1007/978-1-4419-9212-3_15.

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Mittal, Vikas, and Nadejda B. Matsko. "Surface and Volume Characterization." In Analytical Imaging Techniques for Soft Matter Characterization, 127–45. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-30400-2_10.

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Aliyu, Zainab Shehu, Adele Dzikwi Garkida, Edwin Adoyi Ali, and Muhammad Dauda. "Characterization of Feldspar by Instrumental Analytical Techniques." In Characterization of Minerals, Metals, and Materials 2015, 291–97. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093404.ch36.

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Aliyu, Zainab Shehu, Adele Dzikwi Garkida, Edwin Adoyi Ali, and Muhammad Dauda. "Characterization of Feldspar by Instrumental Analytical Techniques." In Characterization of Minerals, Metals, and Materials 2015, 291–97. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48191-3_36.

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Flórez-Pardo, Luz Marina, and Jorge Enrique López-Galán. "Chemical Analysis and Characterization of Biomass for Biorefineries." In Analytical Techniques and Methods for Biomass, 235–73. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-41414-0_9.

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Conference papers on the topic "Characterization and analytical techniques"

1

Motevallian, S. Alireza, Guoqiang Mao, and Brian D. O. Anderson. "Analytical characterization of computationally efficient localization techniques." In 2013 IEEE Wireless Communications and Networking Conference (WCNC). IEEE, 2013. http://dx.doi.org/10.1109/wcnc.2013.6554892.

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Obhodas, Jasmina, Davorin Sudac, Lidija Matjacic, and Vladivoj Valkovic. "Red mud characterization using nuclear analytical techniques." In 2011 2nd International Conference on Advancements in Nuclear Instrumentation, Measurement Methods and their Applications (ANIMMA). IEEE, 2011. http://dx.doi.org/10.1109/animma.2011.6172957.

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Grzeskowiak, Steven, Amrit Narasimhan, Michael Murphy, Christian Ackerman, Jake Kaminsky, Robert L. Brainard, and Greg Denbeaux. "Analytical techniques for mechanistic characterization of EUV photoresists." In SPIE Advanced Lithography, edited by Christoph K. Hohle and Roel Gronheid. SPIE, 2017. http://dx.doi.org/10.1117/12.2274128.

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Bahren, Nur Imanina Shamsul, Ng Jia Ying, Mohd Ammar Akmal Aliuddin, and Abdur-Rasheed Alao. "Analytical machinability characterization of zirconia materials by indentation techniques." In 8TH BRUNEI INTERNATIONAL CONFERENCE ON ENGINEERING AND TECHNOLOGY 2021. AIP Publishing, 2023. http://dx.doi.org/10.1063/5.0110440.

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Altmann, Dominik, Thomas Köpplmayr, and Georg Steinbichler. "Analytical and numerical methods for optimizing screw geometries of an injection molding plasticizing unit with focus on standard three-section screws." In MATERIALS CHARACTERIZATION USING X-RAYS AND RELATED TECHNIQUES. Author(s), 2019. http://dx.doi.org/10.1063/1.5088298.

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Almarri, Misfer, Bona Prakasa, Khafiz Muradov, and David Davies. "Identification and Characterization of Thermally Induced Fractures Using Modern Analytical Techniques." In SPE Kingdom of Saudi Arabia Annual Technical Symposium and Exhibition. Society of Petroleum Engineers, 2017. http://dx.doi.org/10.2118/188084-ms.

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Nageshwar Rao, B., S. Vynatheya, and R. Kandiban. "Characterization of LDPE-Metal Oxide Nanocomposites Using Thermo-Analytical and Spectroscopic Techniques." In 2018 IEEE 2nd International Conference on Dielectrics (ICD). IEEE, 2018. http://dx.doi.org/10.1109/icd.2018.8470039.

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Nageshwar Rao, B., S. Vynatheya, and R. Kandiban. "Characterization of LDPE-Metal Oxide Nanocomposites Using Thermo-Analytical and Spectroscopic Techniques." In 2018 IEEE 2nd International Conference on Dielectrics (ICD). IEEE, 2018. http://dx.doi.org/10.1109/icd.2018.8514589.

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Chakraborty, Ishita, Indira Govindaraju, Guan-Yu Zhuo, Vishwa Jyoti Baruah, Bhaswati Sarmah, KK Mahato, Hemanth Noothalapati, and Nirmal Mazumder. "Illucidating the structural components of starch granules using advanced analytical techniques." In Frontiers in Optics. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/fio.2022.jtu5a.55.

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Abstract:
Thermal and chemical characterization are performed in different rice varities originated in Northeast India to illucidate their composition and physicochemical characteristics using Raman spectroscopy, non linear optical microscopy, and differential scanning calorimetry (DSC).
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Shedid, Shedid. "Characterization Number (CN): Field Application and Analytical Evaluation for Different Reservoir Characterization Techniques Identifying Hydraulic Flow Units." In SPE Asia Pacific Oil & Gas Conference and Exhibition. Society of Petroleum Engineers, 2013. http://dx.doi.org/10.2118/165905-ms.

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Reports on the topic "Characterization and analytical techniques"

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Rathbone, R. F., J. C. Hower, and F. J. Derbyshire. Coal liquefaction process streams characterization and evaluation. Novel analytical techniques for coal liquefaction: Fluorescence microscopy. Office of Scientific and Technical Information (OSTI), October 1991. http://dx.doi.org/10.2172/10123118.

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Robertson, D. E., and P. J. Robinson. Improved sampling and analytical techniques for characterization of very-low-level radwaste materials from commercial nuclear power stations. Office of Scientific and Technical Information (OSTI), November 1989. http://dx.doi.org/10.2172/330692.

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GEO-CENTERS INC NEWTON CENTRE MA. Development of Analytical and Environmental Diagnostic Techniques. Fort Belvoir, VA: Defense Technical Information Center, March 2002. http://dx.doi.org/10.21236/ada399825.

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Steele, J. K. Development of Analytical and Environmental Diagnostic Techniques. Fort Belvoir, VA: Defense Technical Information Center, October 1999. http://dx.doi.org/10.21236/ada370124.

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Steele, J. K. Development of Analytical and Environmental Diagnostic Techniques. Revised. Fort Belvoir, VA: Defense Technical Information Center, March 2000. http://dx.doi.org/10.21236/ada375873.

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McNeil, R. J., and R. G. Garrett. Soil sample preparation, analytical techniques and QA/QC. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 2011. http://dx.doi.org/10.4095/287963.

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Mattus, CH. Analytical Characterization of the Thorium Nitrate Stockpile. Office of Scientific and Technical Information (OSTI), December 2003. http://dx.doi.org/10.2172/840088.

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Banaszak, David. Versatile Measurement Techniques to Validate Analytical Structural Mechanical Models. Fort Belvoir, VA: Defense Technical Information Center, March 2007. http://dx.doi.org/10.21236/ada469782.

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Rossabi, J., and S. E. Nave. Characterization of DNAPL Using Fluorescence Techniques. Office of Scientific and Technical Information (OSTI), March 1998. http://dx.doi.org/10.2172/633949.

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Siderius, Martin. Acoustic Characterization Techniques for Shallow Water. Fort Belvoir, VA: Defense Technical Information Center, September 2003. http://dx.doi.org/10.21236/ada629541.

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