Готові списки джерел за темами / Multifunctional amine

Добірка наукової літератури з теми "Multifunctional amine"

Автор: Grafiati

Опубліковано: 13 вересня 2021

Оновлено: 13 лютого 2022

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Статті в журналах з теми "Multifunctional amine":

Deng, L., R. Singh, and B. Foxman. "Multifunctional Catalysts: Thiourea Amine Acid Salts." Synfacts 2010, no. 09 (August 23, 2010): 1068. http://dx.doi.org/10.1055/s-0030-1257969.

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Brossier, Thomas, Gael Volpi, Vincent Lapinte, and Sebastien Blanquer. "Synthesis of Poly(Trimethylene Carbonate) from Amine Group Initiation: Role of Urethane Bonds in the Crystallinity." Polymers 13, no. 2 (January 16, 2021): 280. http://dx.doi.org/10.3390/polym13020280.

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Semi-crystalline poly(trimethylene carbonate) (PTMC) can be efficiently prepared by ring-opening polymerization (ROP) initiated by amine using various catalysts. More promising results were reached with the one-step process of stannous octanoate unlike the two-step one-pot reaction using TBD and MSA catalysts. The ROP-amine of TMC consists in a simple isocyanate free process to produce polycarbonate-urethanes, compatible with the large availability of amines ranging from mono- to multifunctional until natural amino acids. ROP-amine of TMC leads to urethane bonds monitored by FTIR spectroscopy. The relationship between the nature of amines and the crystallinity of PTMC was discussed through X-ray diffraction and thermal studies by DSC and TGA. The impact of the crystallinity was also demonstrated on the mechanical properties of semi-crystalline PTMC in comparison to amorphous PTMC, synthesized by ROP initiated by alcohol. The semi-crystalline PTMC synthesized by ROP-amine opens many perspectives.

Lu, Jinni, and Patrick H. Toy. "Multifunctional organic polymeric catalysts and reagents." Pure and Applied Chemistry 85, no. 3 (September 10, 2012): 543–56. http://dx.doi.org/10.1351/pac-con-12-04-13.

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A series of polystyrenes bearing multiple different functional groups has been synthesized, and these materials have been used as catalysts and reagents in a variety of organic reactions. Polymers functionalized with various combinations of amine, phenol, phosphine, and thiourea groups have been prepared in both non-cross-linked (soluble) and cross-linked (insoluble) formats. Reactions catalyzed by these polymers include Morita–Baylis–Hillman (MBH), alkyne to 1,3-diene isomerization, and decarboxylative Doebner–Knoevenagel reactions. Furthermore, Wittig and tandem Wittig/reduction reactions have been performed using heterogeneous polymeric reagents possessing a combination of amine and phosphine groups.

Jayaramulu, Kolleboyina, Marilyn Esclance DMello, Kamali Kesavan, Andreas Schneemann, Michal Otyepka, Stepan Kment, Chandrabhas Narayana, et al. "A multifunctional covalently linked graphene–MOF hybrid as an effective chemiresistive gas sensor." Journal of Materials Chemistry A 9, no. 32 (2021): 17434–41. http://dx.doi.org/10.1039/d1ta03246a.

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The covalent linkage of graphene acid (GA) with amine-functionalized UiO-66-NH2via an amide bond. The resultant hybrid GA@UiO-66-NH2 acts as a chemiresistive CO2 sensor wth significant efficiency owing to its unique structural features.

Wang, Haifei, Xiaojun Zheng, Qifu Deng, Qinglin Hou, Kaiqiang Zhang, Pushan Wen, and Shunqin Hu. "A Chiral Secondary Amine–Amidophosphane Precatalyst for Silver-Catalyzed Asymmetric 1,3-Dipolar Cycloaddition Reactions." Synthesis 50, no. 12 (April 16, 2018): 2347–58. http://dx.doi.org/10.1055/s-0037-1609492.

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A class of multifunctional amidophosphanes derived from chiral 1,2-diphenylethylenediamines and natural α-amino acids has been developed. Among these, in combination with silver(I) salts, a chiral secondary amine–amidophosphane precatalyst has been demonstrated as being a highly efficient multifunctional precatalyst in the asymmetric 1,3-dipolar cycloaddition of azomethine ylides, including a series of heterocyclic, aliphatic, and 2-substituted azomethine ylides, and aromatic α,β-unsaturated aldehyde derived imino esters with different electron-deficient alkenes, as well as the three-component reaction of α-imino esters generated in situ by using N,N′-diisopropylcarbodiimide as dehydrating agent. Under optimal conditions, highly functionalized endo-adducts were obtained in high to excellent yields (up to 99% yield) and enantioselectivities (up to >99.9% ee).

Li, Yan, Fangxiang Song, Yu Guo, Liang Cheng, and Qianlin Chen. "Multifunctional Amine Mesoporous Silica Spheres Modified with Multiple Amine as Carriers for Drug Release." Journal of Nanomaterials 2018 (2018): 1–10. http://dx.doi.org/10.1155/2018/1726438.

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Mesoporous silica spheres were synthesized by using Stöber theory (MSN-40). Calcination of the mesostructured phase resulted in the starting solid. Organic modification with aminopropyl groups resulted in two MSN-40 materials: named MSN-NH2 and MSN-DQ-40, respectively. These two kinds of samples with different pore sizes (obtained from 3-[2-(2-aminoethylamino)ethylamino]propyl-trimethox-ysilane (NQ-62) and modified NQ-62) showed control of the delivery rate of ibuprofen (IBU) from the siliceous matrix. The obtained sample from modified NQ-62 has an increased loading rate and shows better control of the delivery rate of IBU than the obtained sample from NQ-62. These three solids were characterized using standard solid state procedures. During tests of in vitro drug release, an interesting phenomenon was observed: at high pH (pH 7.45), IBU in all carriers was released slowly; at low pH (pH 4.5), only a part of the IBU was slowly released from this carrier within 25 hours; most IBU was effectively confined in mesoporous material, but the remaining IBU was released rapidly and completely after 25 hours.

Behrendt, Felix N., and Helmut Schlaad. "Metathesis polymerization of cystine-based macrocycles." Polymer Chemistry 8, no. 2 (2017): 366–69. http://dx.doi.org/10.1039/c6py01864e.

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Wang, Chunyan, Jianping Xu, Junxin Yang, Yong Qian, and Hesheng Liu. "In-situ polymerization and multifunctional properties of surface-modified multiwalled carbon nanotube-reinforced polyimide nanocomposites." High Performance Polymers 29, no. 7 (July 12, 2016): 797–807. http://dx.doi.org/10.1177/0954008316657862.

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In this study, strong multiwalled carbon nanotube (MWNT)–polyimide (PI) matrix interfaces were designed and constructed to obtain high-performance nanocomposites via in-situ polymerization. MWNTs with reactive amino groups were produced by the covalent linking of phenylenediamine to the surface of MWNTs by amide bonds; this material exhibited excellent dispersibility and compatibility with the PI matrix. The incorporation of amine-functionalized MWNT (MWNT-NH2) significantly improved the macroscopic properties of the PI-based nanocomposites. A 50.5% increase in the tensile strength and an 83.1% increase in the Young’s modulus were achieved by 3.0 wt% MWNT-NH2 loading. Furthermore, the storage modulus, thermal stability, and glass transition temperature of the nanocomposite clearly increased by adding MWNT-NH2. The success of this method provides a good rational for developing high-performance polymer-based nanocomposites.

Kumar, Vineet, Pramod Kumar Goswami, Ram Thaimattam, and Arunachalam Ramanan. "Multicomponent solids of uracil derivatives – orotic and isoorotic acids." CrystEngComm 20, no. 25 (2018): 3490–504. http://dx.doi.org/10.1039/c8ce00486b.

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Ursuegui, Sylvain, Jérémy P. Schneider, Claire Imbs, Florian Lauvoisard, Marta Dudek, Michel Mosser, and Alain Wagner. "Expedient synthesis of trifunctional oligoethyleneglycol-amine linkers and their use in the preparation of PEG-based branched platforms." Organic & Biomolecular Chemistry 16, no. 44 (2018): 8579–84. http://dx.doi.org/10.1039/c8ob02097c.

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Дисертації з теми "Multifunctional amine":

Subramaniam, C. "Chemorhelogical Modeling Of Amine-Cured Multifunctional Epoxy Resin Systems Used As Matrices In Aerospace Composites." Thesis, Indian Institute of Science, 1994. http://hdl.handle.net/2005/127.

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High performance multifunctional epoxy resin systems are becoming increasingly important as matrix materials for the advanced composites used in aerospace, electronics, automotive and other industries. In a composite based on epoxy resin systems, a three-dimensional network of the matrix is formed around the reinforcing fibre as a result of the chemical reaction between the resin and the curing agent. This chemical process, known as curing, is an important event to he considered in the production of composite components made up of these resin systems. Two process parameters namely viscosity and chemical conversion are of paramount significance in the production of composite materials Curing studies of the resin systems based on these two parameters, would therefore assume great importance in deciding the performance reliability of the end product. The objectives of the present investigation are 1. to study the cure kinetics of three thermoset resin systems, viz., i) epoxy novolac (EPIT)/ diamino diphenyl methane{DDM), ii) trigylcidyl para- ammo phenol (TGPAP)/toluene diamine (TDA) and iii) tetraglycidyl diamino diphenyl methane (TGDDM)/pyridine diamine(PDA) using the cure kinetic models based on chemical conversion (α), Theological conversion (β) and viscosity. 2.to develop a correlation between a and viscosity (η) and modify an existing autocatalytic model based on α, to the viscosity domain and 3.to investigate the cure behaviour of these systems in terms of the TTT cure diagram and its associated models. EPN/DDM, TGPAP/PDA and TGDDM/PDA resin systems were chosen for the studies to represent a range of functionalities, The cure was monitored using differential scanning calorimetry (DSC), fourier transform infrared (FTIR) and dynamic mechanical analysis (DMA) techniques by following the changes in enthalpy, functional groups and rheology, respectively. The kinetic parameters namely, order of reaction and activation energy were estimated from dynamic DSC data using the methods of Freeman-Carroll and Ellerstein using nth rate expression. Barton, Kissinger and Osawa methods were employed to find out the activation energy from the peak/equal conversion at different heating rates. Isothermal DSC data were also analyzed using nth order model and it was observed that the data could be fitted satisfactorily only for higher temperatures The results obtained from the analysis of both dynamic and isothermal DSC data using nth order model clearly indicate that this model is inadequate for describing the cure behavior. The isothermal DSC data was analyzed by the autocatalytic models of Hone and Kamal Good correlation was observed with Hum and Kamal models up to 60-70%, 25% and 45% conversions for EPN/DDM, TGPAP/TDA and TCDDM/PDA systems respectively. However, the parameters m and n in Kamal model were found to be temperature dependent for EPN/DDM and TCPAP/TDA systems. The limited applicability of the autocatalytic models IK attributed to the counter-effect offered by the intra-molecular bonding taking place. The primary amine and epoxy groups conversions obtained from FTIR were analyzed using autocatalytic model and the kinetic parameters were calculated. The reactivity ratio of the primary amine and the secondary amine with epoxy was found to be dependent on temperature in agreement with the recent findings reported m the literature. The existing models that relate the cure kinetics and the rheological changes, are dual Arrhenius nth order model and autocatalytic model The nth order kinetic model was used to evaluate the kinetic parameters using the viscosity data at different cure temperatures under isothermal conditions As the storage modulus, G' is proportional to the chemical cross links and becomes significant only after the g<4 point, it was used to follow the changes in conversion known as rheoconversion after the gel point The rheoconversion was found by normalizing the G' data with G1^, the storage modulus of the fully cured resin It was used to study the cuie kinetics using an autocatalytic model The kinetic parameters such as rate constant, acceptation and retardation parameters were evaluated and that temperature dependence was established. While the existing models relate viscosity and conversion only up to gel point the new proposed model, termed VISCON model takes into account the changes up to vitrification. The relation so developed is used to modify the autocatalytic cure model based on chemical conversion. The parameters appearing in this model were evaluated using Levenberg-Marquardt error minimization algorithm. The kinetic parameters obtained are comparable with the values estimated using the DSC data. All the models cited above represent the microkinetic aspects. The models based on the information of TTT cure diagrams, however, represent the macrokinetic aspects of the cure, as they are based on the cure stages such as gelation and vitrification TTT diagram relates the cure characteristics like cure temperature, cure time, Ta and, indirectly, chemical conversion Hence the ultimate properties of the composite could he predicted and established with the help of the models based on TTT cure diagrams The changes in the storage modulus, G1 and loss modulus, G", were followed to identify the gel and vitrification points of the resin systems at different cure temperatures Gel point and vitrification point were used to generate gelation and vitrification hues in the construction of TTT cure diagrams for EPN/DDM, TGPAP/TDA and TGDDM/PDA resin systems Theoretical TTT diagrams were generated and IBO-T, contours were established using the TTT diagram-based models The cure schedule for the resin systems investigated could be determined from the TTT diagram and the respective rheological data.

Nie, Jun. "Photocuring of multifunctional monomers initiated by camphorquinone/amine systems for application in dental restorative resins /." Stockholm, 1998. http://diss.kib.ki.se/1998/91-628-3231-X/.

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Tanh, Jeazet Harold Brice. "Metallo-supramolecular Architectures based on Multifunctional N-Donor Ligands." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-39665.

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Self-assembly processes were used to construct supramolecular architectures based on metal-ligand interactions. The structures formed strongly depend on the used metal ion, the ligand type, the chosen counter ion and solvent as well as on the experimental conditions. The focus of the studies was the design of multifunctional N-donor ligands and the characterization of their complexing and structural properties. This work was divided into three distinct main parts: The bis(2-pyridylimine), the bis(2-hydroxyaryl) imine and the tripodal imine / amine ligand approach. In the first part a series of bis(2-pyridylimine) derivatives having different linking elements were employed as building blocks for novel supramolecular architectures. Reaction of individual d-block metal salts with these ligands has led to the isolation of coordination polymers, a metallamacrocycle, double-stranded helicates, triple-stranded helicates as well as of circular meso-helicates. The nature of the spacer in the Schiff base ligands, the noncovalent weak interactions, such as hydrogen bond, face-to-face π-π and edge-to-face CH-π interactions, are all important factors influencing the architecture of the final products. Topological control of the assembly process of the hexanuclear meso-helicates is clearly associated with the bidentate coordination of the sulfate anion which directs the formation of a double- rather than a triple-stranded helicate around the octahedrally coordinated Cu(II). Surprisingly, the variation of the linker function in the ligands, which significantly changes the linking angle of the pyridylimine strands, has only a little influence of the resulting structure. Also the use of a mixture of ligands does not influence the meso-helicate topology; the result is the symmetrically mixed meso-helicate. The new iron(II) triple helicate [Fe2(L5)3](PF6)4 14 {L5 = bis[4-(2-pyridylmethyleneimino)phenyl]-1,1-cyclohexane} in its chloride form binds strongly to DNA as confirmed by induced circular dichroism signals in both the metal-to-ligand charge transfer (MLCT) and in-ligand bands of the helicate. The induced CD spectrum gives some evidence that [Fe2(L5)3]4+ interacts with the DNA in a single binding mode, which is consistent with major groove binding. The cytotoxicity of the new iron(II) triple helicate 14 was evaluated on human lung cancer A549 cells and compared with that of cisplatin and that of the previously reported iron(II) triple helicate [Fe2(L1)3]4+{L1 = bis[4-(2-pyridylmethyleneimino)phenyl]methane}. The first results show some distinguishing features for 14 obviously caused by the existing structural differences of the complexes. In the second part of the thesis, novel uranyl complexes of the bis(2-hydroxyaryl) imine ligands have been synthesized and characterized. 1D coordination polymers and mononuclear structures were formed. In all complexes a distorted hexagonal bipyramidal coordination geometry around the uranyl centre is observed. The imine nitrogen atoms of the ligands do not bind to the metal centre but interact strongly with the hydroxy group via H-bonding. DFT calculations made with L8 ( α,α’-Bis(salicylimino)-m-xylene) are in good agreement with the X-ray crystal structure data. Liquid-liquid extraction studies involving selected ligands and Eu(III) or U(VI) indicate remarkably high selectivity for U(VI) over Eu(III) at weak acidic pH conditions. We believe that the study made opens up new possibilities for uranyl ion extraction which could be interesting in view of the treatment of nuclear waste. In the third part of the thesis, a series of multifunctional tripodal ligands with different N-donor centres were used for U(VI) and lanthanide, Nd(III), Eu(III) and Yb(III), binding and extraction. Reaction of these metal ions with selected tripodal ligands afforded complexes which were characterized by ESI mass spectroscopy. The complex composition was found to be 1:1 in all cases. The extraction behaviour of the tripodal ligands towards Eu(III) and U(VI) was studied both in the absence and presence of octanoic acid as co-ligand using the extraction system Eu(NO3)3 or UO2(NO3)2–buffer–H2O/ ligand–CHCl3. These separation systems show a remarkably high selectivity for U(VI) over Eu(III). It is interesting to note that the addition of the octanoic acid to the extraction system leads to high synergistic effects. A series of Eu(III) extraction experiments were done to clarify the composition of the extracted complexes. The results clearly point to the formation of various species with changing composition.

Schmalen, Angela [Verfasser]. "Post polymerization modification of poly(vinyl amine) with functional epoxides : multifunctional, antimicrobial, protein-like polymers / Angela Schmalen." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2015. http://d-nb.info/1066984344/34.

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Švardala, Daniel. "Stabilizace epoxidových systémů v povrchových ochranných nátěrech." Master's thesis, Vysoké učení technické v Brně. Fakulta chemická, 2021. http://www.nusl.cz/ntk/nusl-449707.

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The diploma thesis describes the influence of humid conditions on the curing of epoxy resins by multifunctional amines. The aim of the experimental part was the identification of degradation products and their quantification, as well as the determination of the influence of humid conditions on the degree of hardening, modulus of elasticity, and flexural strength. Another goal was to optimize the formulation of the reactive mixture for the preparation of epoxy resin with lower susceptibility to carbamate bloom. The degradation products were evaluated by determining the mechanical properties by bending test according to the standard ČSN EN 179-1. The degree of hardening was monitored through temperature modulated differential scanning calorimetry (TMDSC). Degradation products were identified by Fourier transform infrared spectroscopy (FTIR) and quantified by UV-VIS spectroscopy. The morphology of the surface layer was monitored by confocal laser scanning microscopy (CLSM). The dependence of the relative humidity of the environment on the curing process of the epoxy resin and its resulting mechanical properties was determined. Based on the analyzes, a modification of the formulation for the suppression of spurious carbamate during the curing of the epoxy matrix was designed and experimentally verified.

Llewellyn, Susan Clare. "Early main group and mixed-metal complexes of multifunctional amines." Thesis, University of Cambridge, 1994. https://www.repository.cam.ac.uk/handle/1810/272755.

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Davidson, Matthew Gwilym. "Alkali and alkaline earth metal complexes of multifunctional amines : syntheses, structures and uses." Thesis, University of Cambridge, 1994. https://www.repository.cam.ac.uk/handle/1810/272659.

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Bijou, Diane. "Synthesis and characterization of new inorganic molecular precursors for the deposition of multifunctional metal oxide films by CBVD." Thesis, Lyon, 2018. http://www.theses.fr/2018LYSE1126.

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Dans ce manuscrit, un travail hautement multidisciplinaire, de la synthèse de ligands organiques à la caractérisation de couches minces, est présenté. L'objectif principal de cette étude était d'élaborer de nouveaux précurseurs de niobium, de titane et d'alcalino-terreux adaptés au procédé de dépôt de couches minces par CBVD développé par la société 3D-OXIDES. Afin de répondre aux exigences de ce procédé, deux classes innovantes de dérivés moléculaires à base de ß-amino-alcool ou de ß-dicétone ?-modifiée ont été élaborées grâce à la synthèse organique de nouveaux ligands. Les complexes métalliques ont ensuite été entièrement caractériser et leur intérêt respectif dans le processus de dépôt par CBVD a été étudié à travers la détermination des pressions de vapeur, les taux de croissance, les caractérisations spectroscopiques et analyses des couches minces
In this manuscript, a highly multidisciplinary work from organic ligand syntheses to thin films characterizations is presented. The main objective of this study was to elaborate new suitable niobium-, titanium-, and alkaline earth-based precursors for CBVD thin film deposition process developed by 3D-OXIDES company. In order to reach the requirements for CBVD deposits applications, two innovative classes of molecular derivatives based on either ß-amino-alcohol or ?-modified ß-diketone ligand have been elaborated, starting from the organic synthesis of new ligands, and thoroughly characterized. Their respective interest in CBVD deposition process was fully analyzed through the determination of vapor pressures, growth rates and spectroscopic and thin film characterizations

Li, Wenchen. "Development of Amino Acid Based Zwitterionic Materials for Biomedical and Environmental Applications." University of Akron / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=akron15027235088344.

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Wadzinski, Thomas. "Light Intermediate Chain 1: a Multifunctional Cargo Binder for Cytoplasmic Dynein 1: a Dissertation." eScholarship@UMMS, 2006. https://escholarship.umassmed.edu/gsbs_diss/167.

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Cells as dynamic, interactive, and self contained units of life have a need for molecular motors that can create physical forces to move cargoes within the cell. Cytoplasmic dynein 1 is one such molecular motor that has many functions in the cell. The number and variety of functions that involve cytoplasmic dynein 1 suggest that there are a number of different binding sites on dynein for different proteins. Cytoplasmic dynein 1 is a multiprotein complex made up of six different subunit families. The many different combinations of subunits that could be used to make up a cytoplasmic dynein 1 holocomplex provides the variety of different binding sites for cargoes that can be individually regulated. The following chapters flush out how light intermediate chain 1 (LIC1), a subunit of cytoplasmic dynein 1, is involved with multiple dynein functions involving the binding of different cargoes to the cytoplasmic dynein 1 holocomplex, and how the binding of these cargoes can be regulated. First, LIC1 is found to be involved in the spindle assembly checkpoint. LIC1 appears to facilitate the removal of Mad1-Mad2, a complex important in producing a wait anaphase signal, from kinetochores. Second, the involvement of LIC1 in the spindle assembly checkpoint requires the phosphorylation of LIC1 at a putative Cdk1 phosphorylation site. This site is located in a domain of LIC1 that binds various proteins suggesting that this phosphorylation could also regulate these interactions. Third, LIC1 is involved in the centrosomal assembly of pericentrin, an important centrosomal protein. From the data presented herein, LIC1 is shaping up as a multifunctional cargo binder for cytoplasmic dynein 1 that requires regulation of its various cargoes.

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Частини книг з теми "Multifunctional amine":

Allen, Norman S., Peter J. Robinson, Roy Clancy, and Nicholas J. White. "Photooxidative Stability and Photoyellowing of Electron-Beam- and UV-Cured Multifunctional Amine-Terminated Diacrylates." In ACS Symposium Series, 346–60. Washington, DC: American Chemical Society, 1990. http://dx.doi.org/10.1021/bk-1990-0417.ch025.

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Csiszar, Katalin. "Lysyl oxidases: A novel multifunctional amine oxidase family." In Progress in Nucleic Acid Research and Molecular Biology, 1–32. Elsevier, 2001. http://dx.doi.org/10.1016/s0079-6603(01)70012-8.

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Hoang Nam, Nguyen. "Multifunctional Silver Nanoparticles: Synthesis and Applications." In Silver Micro-Nanoparticles - Properties, Synthesis, Characterization, and Applications. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96712.

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Multifunctional silver nanoparticles have attracted widely due to their potential applications. Based on the properties of individual silver nanoparticles, such as plasmonic and antibacterial properties, silver nanoparticles can become multifunctional by surface modifications with various surfactants or they can be combined in core-shell and composite structures with the magnetic nanoparticles to form bifunctional nanoparticles. After reviewing the methods of synthesis and applications of silver nanoparticles, the chapter describes the synthesis and the properties of the new types of multifunctional silver nanomaterials based on the plasmonic behaviors of silver nanoparticles and the iron oxide Fe3O4 superparamagnetic nanoparticles. One type is a simple combination of silver nanoparticles and iron oxide nanoparticles in a silica matrix Fe3O4/Ag-4ATP@SiO2. Other types are the core-shell structured nanoparticles, where Fe3O4 nanoparticles play as the core and silver nanoparticles are the outer shell, so-called Fe3O4@SiO2-Ag and Fe3O4-Ag. In the Fe3O4@SiO2-Ag, silver nanoparticles are reduced on the surface of silica-coated magnetic core, while in Fe3O4-Ag, silver nanoparticles are directly reduced on the amino groups functionalized on the surface of magnetic nanoparticles without coating with silica. Both of types of the multifunctional silver nanoparticles show the plasmonic and magnetic properties similar as the individual silver and iron oxide nanoparticles. Finally, some applications of those multifunctional silver nanoparticles will be discussed.

"Multifunctional Compounds: Amino Acids and Peptides." In Organic Chemistry, 1061–110. CRC Press, 2016. http://dx.doi.org/10.1201/b19603-33.

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"Multifunctional Compounds: Amino Acids and Peptides." In Organic Chemistry, 1371–438. CRC Press, 2010. http://dx.doi.org/10.1201/9781439894620-31.

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Wu, Zhenxing, Xiaofen Mo, Chengbo Lang, and Jinjing Luo. "The Function of FEN1 is Regulated by Post-Translational Modification." In Post-Translational Modifications in Cellular Functions and Diseases [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96635.

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Flap endonuclease 1 (FEN1) is a multifunctional DNA branching nuclease. Post-translational modifications (PTMs) exist in this protein widely, including phosphorylation, methylation, acetylation, ubiquitination and small ubiquitination modification (SUMO). Here, we make a summary for those PTMs studies on FEN1, to illustrate relationships between mutations of those amino acids and their functions alteration of FEN1. Numerous evidences have confirmed that dysfunction of FEN1 would lead to genome instability, and then induce a variety of chromosome-related diseases ultimately, including tumors. On one hand, interaction partner also stimulates FEN1 nuclease activity, to further ensure an effective role in the processing of different DNA structures; on the other hand, PTMs may regulate protein-protein interactions and FEN1’s cellular localization.

V. Yemelyanov, Vladislav, Roman K. Puzanskiy, Mikhail S. Burlakovskiy, Lyudmila A. Lutova, and Maria F. Shishova. "Metabolic Profiling of Transgenic Tobacco Plants Synthesizing Bovine Interferon-Gamma." In Metabolomics - Methodology and Applications in Medical Sciences and Life Sciences. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.96862.

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Interferon-gamma belongs to a large family of cytokines – multifunctional secreted proteins involved in animal non-specific immune response. Previously inbred lines of Nicotiana tabacum L. plants harboring a heterologous gene of bovine interferon-gamma Bt-sIFNG under the control of a constitutive 35S CaMV promoter have been created by Agrobacterium-mediated genetic transformation. The antiviral and immunomodulatory activities of plant-produced interferon-gamma in bovine cell culture and laboratory animals (mice) were observed. A state-of-the-art GS-MS technique has been used to identify the possible effect of the transformation on the plant’s metabolome. Total profiles included 350 metabolites from leaves, among which 150 substances were identified up to their class and 80 up to the exact metabolite. Metabolite profiling revealed that plants able to synthesize interferon-gamma are characterized by a higher level of amino acids and other substances involved in nitrogen metabolism. In transgenic plants intensification of the secondary metabolism was also detected. Some alterations were distinguished in plant metabolome depending on cultivation conditions.

Dave Mehta, Shuchi, Priyanka Rathore, and Gopal Rai. "Ginseng: Pharmacological Action and Phytochemistry Prospective." In Ginseng in Medicine [Working Title]. IntechOpen, 2021. http://dx.doi.org/10.5772/intechopen.99646.

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Ginseng, the root of Panax species is a well-known conventional and perennial herb belonging to Araliaceae of various countries China, Korea, and Japan that is also known as the king of all herbs and famous for many years worldwide. It is a short underground rhizome that is associated with the fleshy root. Pharmacognostic details of cultivation and collection with different morphological characters are discussed. Phytocontent present is saponins glycosides, carbohydrates, polyacetylenes, phytosterols, nitrogenous substances, amino acids, peptides, vitamins, volatile oil, minerals, and enzymes details are discussed. The main focusing of the bioactive constituent of ginseng is ginsenosides are triterpenoid saponin glycosides having multifunctional pharmacological activities including anticancer, anti-inflammatory, antimicrobial, antioxidant and many more will be discussed. Ginseng is helpful in the treatment of microbial infection, inflammation, oxidative stress, diabetes, and obesity. Nanoparticles and nanocomposite film technologies had developed in it as novel drug delivery for cancer, inflammation, and neurological disorder. Multifaceted ginseng will be crucial for future development. This chapter review pharmacological, phytochemical, and pharmacognostic studies of this plant.

Kageyama, Hakuto, and Rungaroon Waditee-Sirisattha. "Mycosporine-Like Amino Acids as Multifunctional Secondary Metabolites in Cyanobacteria: From Biochemical to Application Aspects." In Studies in Natural Products Chemistry, 153–94. Elsevier, 2018. http://dx.doi.org/10.1016/b978-0-444-64179-3.00005-0.

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Тези доповідей конференцій з теми "Multifunctional amine":

Ozkan, Cengiz S. "Assembly at the Nanoscale: Towards Functional Nanostructured Materials (Invited)." In ASME 2006 Multifunctional Nanocomposites International Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/mn2006-17078.

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This paper reports the self assembly of functional nanostructured materials including multi-walled Carbon Nanotube-Quantum Dot (CNT-QD) heterojunctions using the Ethylene Carbodiimide Coupling procedure (EDC). Thiol stabilized ZnS capped CdSe quantum dots containing amine terminal groups (QD-NH2) were conjugated with acid treated Multi-Walled Carbon Nanotubes (MWCNT) ranging from 400 nm to 4μm in length. SEM, TEM, EDS and FTIR were used to characterize the conjugation process.

Han, Sang-Cheol, Kwang-Min Choi, and Sang-Eon Park. "Facile Synthesis of Mesoporous Silica Nanotubes With Amide Type Surfactant." In ASME 2008 2nd Multifunctional Nanocomposites and Nanomaterials International Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/mn2008-47070.

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Novel synthetic method for the formation of mesoporous silica nanotubes was proposed using glycyldodecylamide (GDA) as an amino acid surfactant, which enabled to control the tube diameter, wall structure and morphology with the diverse structures of amphiphile due to the capability of H-bonds by forming amide bond. Moreover, this sol-gel transcription process could be elucidated at neutral condition that enabled the recyclable use of surfactant and resulted in unique structures depending on the temperatures of self-assembly.

Afonina, Elena. "USE OF WHITE LUPIN AS A BASE FOR FEED WITH HIGH PROTEIN CONTENT." In Multifunctional adaptive feed production. ru: Federal Williams Research Center of Forage Production and Agroecology, 2020. http://dx.doi.org/10.33814/mak-2020-22-70-99-103.

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The paper presents data on the biochemical composition of seeds and amino acid composition of legumes, white lupine. The indicators of biochemical composition of extruded and granulated feed made on the basis of white lupin grain are given. The results of the use of the antioxidant Agidol in the composition of prepared feed and its effect on its shelf life are described.

Сорокин, Александр, Alexander Sorokin, Валентина Руцкая, and Valentina Ruckaya. "LUPIN AS THE BASE FOR PROTEIN COMPONENT OF FEED MIX FOR POULTRY." In Multifunctional adaptive feed production. ru: Federal Williams Research Center of Forage Production and Agroecology, 2019. http://dx.doi.org/10.33814/mak-2019-21-69-110-115.

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The article presents the data of domestic and foreign researchers for feeding of poultry used lupin and its processed products. It’s advisable to use energy-and-protein concentrates made of legumes and cereal grain mixtures to prepare complete feeds. Lupin is one of the main sources of plant protein with unique amino acid composition. In opinion of the majority of researchers lupin containing feeds made according to technic guidance support productivity increasing of poultry growing and improve the quality of the products.

Adoor, Rashmi S., Sushant A. Haladkar, Susheelkumar G. Adoor, and Narasimha H. Ayachit. "Synthesis and property analysis of poly-acryl-amide (PAM)/poly-vinyl-alcohol (PVA) blend thin films." In INTERNATIONAL CONFERENCE ON MULTIFUNCTIONAL MATERIALS (ICMM-2019). AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0022444.

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Torrens, Francisco, and Gloria Castellano. "Correction of Charge-Transfer Indices for Multifunctional Amino Acids: Application to Lysozyme." In The 11th International Electronic Conference on Synthetic Organic Chemistry. Basel, Switzerland: MDPI, 2007. http://dx.doi.org/10.3390/ecsoc-11-01370.

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Koide, T. "CHARACTERIZATION OF THE GENE FOR HUMAN HISTIDINE-RICH GLYCOPROTEIN." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1643599.

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Human histidine-rich glycoprotein (HRG) is a single-chain glycoprotein in plasma which is considered to modulate a coagulation and fibrinolysis system with the ability to bind to heparin, plasminogen, fibrinogen, thrombospondin, etc. Recently we have elucidated the primary structure of HRG by determining the nucleotide sequence of its cDNA, and showed that HRG is composed of several different types of internal repeats, each one of which shows considerable homology with the functional and/or structural domains of other proteins including high molecular weight kininogen, antithrombin III, cystatins, and proline-rich protein and peptide. Thus, the multifunctional property of HRG was suggested to be due to its multi-domain structure. In the present studies, a human genomic DNA library, cloned in the bacteriophage vector Charon 4A, was screened for HRG gene using a full-length cDNA coding for human IMI as a probe. A total of 7 clones were isolated from 6 × 105 phage and each was plaque purified. The entire HRG gene is represented in 3 genomic inserts with overlapping sequences that carry human DNA spanning 30 kb. Overlapping gene fragments were subcloned into pUC9 and characterized by Southern blot hybridization using 5’ and 3’ end probes isolated from human HRG cDNA and by DNA sequencing. These studies have shown that the gene for human HRG spans about 9 kb and consists of at least 5 exons and 4 introns. The putative histidine-rich region consisted of 12 tandemly repeated sequences of a 5 amino acid segment and 2 proline-rich regions contiguous to it are likely to be involved within one exon.