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Relevant bibliographies by topics / Organometallic polymers Amino acids

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Academic literature on the topic 'Organometallic polymers Amino acids'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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Journal articles on the topic "Organometallic polymers Amino acids"

1

Martins, Joana N., João Carlos Lima, and Nuno Basílio. "Selective Recognition of Amino Acids and Peptides by Small Supramolecular Receptors." Molecules 26, no. 1 (December 28, 2020): 106. http://dx.doi.org/10.3390/molecules26010106.

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To this day, the recognition and high affinity binding of biomolecules in water by synthetic receptors remains challenging, while the necessity for systems for their sensing, transport and modulation persists. This problematic is prevalent for the recognition of peptides, which not only have key roles in many biochemical pathways, as well as having pharmacological and biotechnological applications, but also frequently serve as models for the study of proteins. Taking inspiration in nature and on the interactions that occur between several receptors and peptide sequences, many researchers have developed and applied a variety of different synthetic receptors, as is the case of macrocyclic compounds, molecular imprinted polymers, organometallic cages, among others, to bind amino acids, small peptides and proteins. In this critical review, we present and discuss selected examples of synthetic receptors for amino acids and peptides, with a greater focus on supramolecular receptors, which show great promise for the selective recognition of these biomolecules in physiological conditions. We decided to focus preferentially on small synthetic receptors (leaving out of this review high molecular weight polymeric systems) for which more detailed and accurate molecular level information regarding the main structural and thermodynamic features of the receptor biomolecule assemblies is available.

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Jana, Poulami, Sibaprasad Maity, and Debasish Haldar. "Developments in the Synthesis of Organometallic Amino Acids and Analogues." Current Organic Synthesis 7, no. 3 (June 1, 2010): 224–34. http://dx.doi.org/10.2174/157017910791162995.

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Wang, Jing, Hai-Bo Liu, Zhangfa Tong, and Chang-Sik Ha. "Fluorescent/luminescent detection of natural amino acids by organometallic systems." Coordination Chemistry Reviews 303 (November 2015): 139–84. http://dx.doi.org/10.1016/j.ccr.2015.05.008.

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Khan, Wahid, Saravanan Muthupandian, Shady Farah, Neeraj Kumar, and Abraham J. Domb. "Biodegradable Polymers Derived From Amino Acids." Macromolecular Bioscience 11, no. 12 (November 3, 2011): 1625–36. http://dx.doi.org/10.1002/mabi.201100324.

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Wisser, Barbara, Yirong Lu, and Christoph Janiak. "Chiral Coordination Polymers with Amino Acids:." Zeitschrift für anorganische und allgemeine Chemie 633, no. 8 (July 2007): 1189–92. http://dx.doi.org/10.1002/zaac.200700088.

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DOMB, A. "Biodegradable polymers derived from amino acids." Biomaterials 11, no. 9 (November 1990): 686–89. http://dx.doi.org/10.1016/0142-9612(90)90027-n.

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Mendiratta, Shruti, Tien-Wen Tseng, Tzuoo-Tsair Luo, Chi Chen, and Chia-Yuan Huang. "Differentially Activated Amino Acid Coordination Polymers by Amino Acids." Crystal Growth & Design 18, no. 5 (April 16, 2018): 2672–76. http://dx.doi.org/10.1021/acs.cgd.8b00012.

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Akerlund, J., S. Harmeier, J. Pumphrey, D. C. Timm, and J. I. Brand. "Diketopiperazine-based polymers from common amino acids." Journal of Applied Polymer Science 78, no. 12 (2000): 2213–18. http://dx.doi.org/10.1002/1097-4628(20001213)78:12<2213::aid-app190>3.0.co;2-8.

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9

Román, Tatiana, David Ramirez, Ricardo Fierro-Medina, Rosa Santillan, and Norberto Farfán. "Ferrocene and Organotin (IV) Conjugates Containing Amino Acids and Peptides: A Promising Strategy for Searching New Therapeutic and Diagnostic Tools." Current Organic Chemistry 24, no. 21 (December 7, 2020): 2426–47. http://dx.doi.org/10.2174/1385272824999201001154259.

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Organometallic complexes are an important class of synthetic reagents and are of great interest due to their versatility and wide biological application. The cationic nature of the coordination nucleus facilitates its interaction with biological molecules such as amino acids, proteins, and nucleic acids. The functionalization of peptides or amino acids with organometallic motifs is a novel strategy for the design and development of molecules with greater biological activity, stability in biological environments, and selectivity for specific targets, which make them valuable tools for designing and obtaining molecules with therapeutic applications. The physicochemical properties of ferrocene make it ideal for drug development, due to its structure, stability in aqueous solutions, redox properties, and low toxicity. In the same way, organotin (IV) derivatives have great potential for drug development because of their multiple biological activities, wide structural versatility, high degree of stability, and low toxicity. However, the synthesis of these drugs based on organometallic molecules containing ferrocene or organotin (IV) is quite complex and represents a challenge nowadays; for this reason, it is necessary to design and implement procedures to obtain molecules with a high degree of purity, in sufficient quantities, and at low cost. This review describes the strategies of synthesis used up to now for the preparation of organometallic amino acids and peptides containing ferrocene or organotin (IV) derivates, as well as their impact on the development of therapeutic agents.

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Lloris, María E., and Marcial Moreno-Mañas. "A radical-organometallic glycine synthon. Preparation of homochiral heterocyclic α-amino acids." Tetrahedron Letters 34, no. 44 (October 1993): 7119–22. http://dx.doi.org/10.1016/s0040-4039(00)61614-3.

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Dissertations / Theses on the topic "Organometallic polymers Amino acids"

1

Zhang, Fan. "Synthesis of organometallic foldamers and cyclopropene alpha-amino acids." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 211 p, 2006. http://proquest.umi.com/pqdweb?did=1172109511&sid=6&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Stewart, A. S. J. "Organometallic derivatives of amino acids and peptides." Thesis, Robert Gordon University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376684.

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Lovett, Victoria Jane. "Synthesis of amino acids using organometallic chemistry." Thesis, University of Sheffield, 2013. http://etheses.whiterose.ac.uk/5416/.

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Turner, Debra. "The synthesis of enantiomerically pure #alpha#-amino acids using organometallic reagents." Thesis, University of Newcastle Upon Tyne, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318713.

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Bush, Stephen Michael. "The synthesis of chiral polymers derived from amino acids, and hydroxy acids." Thesis, Bangor University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263285.

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Birchall, Andrew Carl. "The synthesis of novel homochiral polymers from amino acids." Thesis, Bangor University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.310924.

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Deboves, Herve Jean Claude. "The application of organometallic chemistry to the synthesis of new unnatural amino acids." Thesis, University of Newcastle Upon Tyne, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.324929.

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de, Groot Joshua. "Crystal engineering with the uranyl cation and amino acids." Diss., University of Iowa, 2016. https://ir.uiowa.edu/etd/2066.

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Uranyl hybrid materials attract interest owing to promise of synthesizing functional materials, but typically experience limitations in extending dimensionality. This is due to the tendency of the uranyl cation to oligomerize along its equatorial plane, leading to the formation of flat secondary building units. One way to overcome these limitations is to utilize weak interactions to hold a structure together. This can be achieved through using ligands to build secondary building units through strong coordinative bonds that simultaneously provide supramolecular interactions as a means to extend dimensionality in the structure. We examined amino acids as a ligand choice because of its dual features of having a carboxyl group for coordination to the uranyl cation and an amino group that can be protonated to provide charge-assisted hydrogen bonding between to secondary building units in the structure. Aqueous benchtop chemistry in ambient conditions were used to synthesize and crystallize thirteen uranyl-glycine coordination compounds whose structures were elucidated with single crystal X-ray diffraction. Under these conditions, 1D coordination polymers form. The structural features in these compounds were varied to investigate their effects on the hydrogen bonding, including the presence/absence of metal center hydrolysis, the presence of other H-bond accepting carboxylate ligands, the use of dicarboxylic acid ligands to connect uranyl centers, and the addition of a secondary metal. The compounds provide insight into how the charge-assisted hydrogen bonding provided by zwitterionic amino acids is a viable means to extending the dimensionality of uranyl hybrid materials in a variety of chemical systems.

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Slepukhina, Irina N. "Synthesis of boron-cluster containing amino acids and preparation of their polymers." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=980301254.

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Bhushan, Bhaskar. "Unnatural amino acids as metal-mediated probes of biological function." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:4b1cbed6-1151-4b9f-ad97-aa5765cc9384.

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Conjugation reactions on proteins have been used to access various post-translational modifications, for targeted delivery of drugs, for microscopy, and in studying receptor-ligand interactions. However, the ability to modify native proteins is constrained by the reactive functionalities of naturally occurring amino acids. This has driven research into the incorporation of unnatural amino acids (UAAs) into proteins. Research in this area has been motivated both by the possibility of increasing the breadth of chemical techniques for protein modification by introducing novel 'bio-orthogonal' reactive groups via UAA incorporation, as well as generating well-defined conjugates by the site-selective incorporation of these UAAs into proteins. The objective of this thesis is to both expand the diversity of UAAs for access to new metal-mediated reactions on proteins, as well as to utilise these reactions to reveal functional information about a range of biological systems. A brief introduction into current protein conjugation and UAA incorporation methods will be made in Chapter 1. In Chapter 2, the genetic incorporation of alkene-bearing UAAs into recombinant proteins expressed in both bacterial and mammalian systems is discussed. This technique is demonstrated to enable Ru-catalysed olefin cross-metathesis (CM) reactions on the resultant proteins. This work builds upon previously established methods to chemically incorporate CM handles onto proteins. The rational design of UAAs, as well as assays and modelling studies to screen them for recognition by the cellular incorporation machinery are discussed in detail. The expression of a range of alkene-tagged recombinant proteins, their complete characterisation, as well as the development of a more general protocol for on-protein CM is elucidated. In Chapter 3, the utility of UAA incorporation to probe mammalian cell translation systems is examined. Incorporation of an azide-bearing UAA, in addition to heavy stable-isotope labelled amino acids is used to uncover a previously unreported system of protein synthesis in mammalian cell nuclei, along with rapid metabolic degradation of the synthesised peptides. Various orthogonal methods for the detection of this system as well as possible reasons for its conservation are discussed. In Chapter 4, UAA incorporation and metal-mediated bioconjugation reactions are utilised in the development of a novel and generally applicable proteomics technique. This technique is used to determine quantitative changes in cell proteomes in response to external stimuli, and may be applied to systems to which traditional proteomics techniques cannot, such as ex vivo primary cells. Finally, in Chapter 5, further applications of UAA incorporation are discussed. Preliminary results are reported in efforts to use UAAs in the vibrational Raman microscopic imaging of biological systems, in generating HIV vaccines, and inducing T-cell stimulation.

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Books on the topic "Organometallic polymers Amino acids"

1

Shartava, Tsisana. Ligands, polymers, and amino acids. New York: Nova Science Publishers, Inc., 2011.

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2

Amino-acid homopolymers occurring in nature. Berlin: Springer, 2010.

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3

[Alpha]-aminoacid-N-carboxy-anhydrides and related heterocycles: Syntheses, properties, peptide synthesis, polymerization. Berlin: Springer-Verlag, 1987.

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4

Hamano, Yoshimitsu. Amino-Acid Homopolymers Occurring in Nature. Springer, 2010.

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Hamano, Yoshimitsu. Amino-Acid Homopolymers Occurring in Nature. Springer, 2012.

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6

α-Aminoacid-N-Carboxy-Anhydrides and Related Heterocycles: Syntheses, Properties, Peptide Synthesis, Polymerization. Springer, 2012.

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Kricheldorf, Hans R. α-Aminoacid-N-Carboxy-Anhydrides and Related Heterocycles: Syntheses, Properties, Peptide Synthesis, Polymerization. Springer, 2011.

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8

Shtilman, M. I. Immobilization of Polymers (New Concepts in Polymer Science). Brill Academic Publishers, 1992.

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Book chapters on the topic "Organometallic polymers Amino acids"

1

Gooch, Jan W. "Amino Acids." In Encyclopedic Dictionary of Polymers, 35. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_559.

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Gooch, Jan W. "Essential Amino Acids." In Encyclopedic Dictionary of Polymers, 891. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_13698.

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Katsarava, Ramaz, and Zaza Gomurashvili. "Biodegradable Polymers Composed of Naturally Occurring α-Amino Acids." In Handbook of Biodegradable Polymers, 107–31. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527635818.ch5.

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4

More, Haresh, Ching-Yao Yang, and Jin Kim Montclare. "Posttranslational Modification of Proteins Incorporating Nonnatural Amino Acids." In Functional Polymers by Post-Polymerization Modification, 291–331. Weinheim, Germany: Wiley-VCH Verlag GmbH & Co. KGaA, 2013. http://dx.doi.org/10.1002/9783527655427.ch12.

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Hopkins, Timothy E., Joshua M. Priebe, and Kenneth B. Wagener. "The Incorporation of Amino Acids into Polymers ADMET." In Novel Metathesis Chemistry: Well-Defined Initiator Systems for Specialty Chemical Synthesis, Tailored Polymers and Advanced Material Applications, 179–89. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-010-0066-6_14.

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Zavradashvili, Nino, Giuli Otinashvili, Temur Kantaria, Nino Kupatadze, David Tugushi, Ashot Saghyan, Anna Mkrtchyan, Sergey Poghosyan, and Ramaz Katsarava. "New Cationic Polymers Composed of Non-Proteinogenic α-Amino Acids." In Advanced Materials, Polymers, and Composites, 277–86. New York: Apple Academic Press, 2021. http://dx.doi.org/10.1201/9781003105015-21.

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Kohn, Joachim. "New Biomaterials: The Preparation of Polyesters Derived from Hydroxy Amino Acids." In Cosmetic and Pharmaceutical Applications of Polymers, 321–27. Boston, MA: Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3858-5_31.

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Daly, William H., and Soo Lee. "Graft Copolymers of Amino Acids onto Natural and Synthetic Polymers." In Applied Bioactive Polymeric Materials, 251–74. Boston, MA: Springer US, 1988. http://dx.doi.org/10.1007/978-1-4684-5610-3_19.

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"Amino acids." In Encyclopedic Dictionary of Polymers, 49. New York, NY: Springer New York, 2006. http://dx.doi.org/10.1007/978-0-387-30160-0_549.

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Saxena, Tarun, Lohitash Karumbaiah, and Chandra M. Valmikinathan. "Proteins and Poly(Amino Acids)." In Natural and Synthetic Biomedical Polymers, 43–65. Elsevier, 2014. http://dx.doi.org/10.1016/b978-0-12-396983-5.00003-x.

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Conference papers on the topic "Organometallic polymers Amino acids"

1

Biyikal, M., W. Wan, K. Rurack, R. Wagner, and B. Sellergren. "3.2 - Enantioselective Fluorescence Response of Molecularly Imprinted Polymers (MIPs) toward Carbobenzyloxy- (Cbz) protected Amino Acids." In 11. Dresdner Sensor-Symposium 2013. AMA Service GmbH, Von-Münchhausen-Str. 49, 31515 Wunstorf, Germany, 2013. http://dx.doi.org/10.5162/11dss2013/3.2.

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Rawal, Atul, Kristen L. Rhinehardt, and Ram V. Mohan. "Mechanical Behavior of Collagen Mimetic Peptides Under Fraying Deformation via Molecular Dynamics." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11492.

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Abstract Collagen is a pervasive, triple helical, extracellular matrix (ECM) protein, found in human body from skin and bones to blood vessels and lungs, making it biocompatible, biodegradable, capable of cell attachment, and relevant for applications in bio-polymers, tissue engineering and a plethora of other bio-medical fields. Natural collagen’s extraction from natural sources is time consuming, sometimes costly, and it is difficult to render, and could present undesired biological and pathogenic changes. Nanoscale collagen mimetic peptides (Synthetic Collagen), without the unwanted biological entities present in the medium, has shown to mimic the unique properties that are present in natural collagen. Synthetic collagen, thus provides a superior alternative compared to natural collagen for its utilization in several applications. Their properties are affected by surrounding environments, including various solvents, and can be tailored toward specific applications. The focus of this paper is to investigate the mechanical properties of these nanoscale collagen mimetic peptides with lengths of about 10nm, leading to understanding of their feasibility in bio-printing of a composite polymeric collagen biomaterial with a blend of multiple synthetic collagen molecules. Molecular dynamics modeling is used to simulate, model and analyze mechanical properties of synthetic collagen peptides. In particular, mechanical behavior of these peptides are studied. An in-depth insight into the deformation and structural properties of the collagen peptides are of innovative significance for a multitude of bio medical engineering applications. Present paper employed steered molecular dynamics as the principal method of investigating the mechanical properties of nanoscale collagen mimetic peptide 1BKV, which closely resembles natural collagen with a shorter sequence length of 30 amino acids. A detailed comprehension of the protein’s mechanical properties is investigated through fraying deformation behavior studied. A calculated Gibbs free energy value of 40 Kcal/mol corresponds with a complete unfolding of a single alpha-helix peptide chain from a triple helical protein in case of fraying. Force needed for complete separation of the alpha-helix from the triple-helical protein is analyzed, and discussed in this paper.

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