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Amino Acid - Astrophysics Data System

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Last Updated: 10 May 2022

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Computational Study for Amino Acid Production from Carboxylic Acid via 14C β-decay

The glycinium production probability was expected to be 78 percent assuming static compound structures of [3-C-14]propionic acid and a glycinium C-N binding potential energy of 3. 93 eV. A glycinium manufacturing likelihood of approximately 30% was calculated by simulation in the case of a loose C-N binding potential energy of 2-eV, according to calculations with various binding potential parameters.

Source link: https://ui.adsabs.harvard.edu/abs/2022JPSJ...91f4301F/abstract


Synthesis and Characterization of Silver Nanoparticles Using Zinc Chloride-Sugar-Amino Acids Based Novel Ternary Deep Eutectic Solvents

We had successfully produced four types of ternary deep eutectic solvents with the process of evaporation by mixing zinc chloride with hydrogen bond donors, such as Glutamine & Glycine; [i. e. d & Glycine; ZC-GLY] [i. e. a e. a- ZC-GLY, b- ZC-GLY, c- ZC-GLY, c e those e & FRU-GLY, & ZC-GLY; ZC-GLY, & ZC-GLY, e Glutamine & Gly, e & ZC- ZC-ZC-GLY, & ZC-GLY, & ZC-GLY, & The prepared TDESs were used as a solvent medium for the production of silver nanoparticles by chemical reduction process using sodium borohydride as reducing agent and sodium hydroxide as a stabilizing agent.

Source link: https://ui.adsabs.harvard.edu/abs/2022ECSTr.107.4113S/abstract


Supramolecular Chemistry And Self-assembly Special Feature: Chiral discrimination in cyclodextrin complexes of amino acid derivatives: -cyclodextrin/ N-acetyl-L-phenylalanine and N-acetyl- D-phenylalanine complexes

Crystal structures for the N-acetyl-L-l-N-acetyl-Crystallanine complex have been found at 298 and 20 K, as well as at 298 and 20 K, for which the distribution of guest molecules at room temperature is unclear; however, crystal structures for complexes of n-acetyl-L-phenylalanine complexes can be found with considerable confidence at low temperatures can be investigated at low temperatures.

Source link: https://ui.adsabs.harvard.edu/abs/2002PNAS...99.5115A/abstract


Self-assembly of N-, C- and N-/C-terminated Val-and Phe-amino acid side chains of naphthalene

The main component of a protein is the polypeptide chain, which is made up of a sequence of condensed monomeric amino acid residues, twenty of which are considered essential to protein production in the human body. When stimulated by heating/cooling but not by sonication, the Boc-Phe-1-NAP produced opaque soft gels in several non-polar solvents, but not by sonication. After heat/cooling or sonication, the bioconjugate 6 produced opaque gels in polar protic solvents. Following the heating/cooling reaction, only compound 5 in benzene was able to produce a soft transparent gel, which was then doped with quantum dots and the highly fluorescent organogel was characterized by fluorescence spectroscopy and microscopy. Hydrogen bonding, -Stacking, and van der Waals forces played significant roles in the formation of a gel, according to FTIR and 1 H NMR reports.

Source link: https://ui.adsabs.harvard.edu/abs/2022JMoSt126333116S/abstract


Ribosomal synthesis and de novo discovery of bioactive foldamer peptides containing cyclic β-amino acids

Through genetic code reprogramming, we present the ribosomal synthesis of foldamer peptides that contain multiple, up to ten, consecutive ccAAs. We also detail the de novo discovery of macrocyclic cAA-containing peptides capable of binding to a protein target. Human factor XIIa and interferon-gamma receptor 1, a library of their 10 12 members, was discovered by potent binders with low-to-subnanomolar KD values for low-to-subnay 2 and interferon-gamma receptor 1, as a demonstration. With hFXIIa, one of the anti-hFXIIa macrocyclic peptides with high inhibitory activity and serum stability was co-crystallized with hFXIIa.

Source link: https://ui.adsabs.harvard.edu/abs/2020NatCh..12.1081K/abstract


Efficient Application of Green Synthesized CeO 2 Nanoparticles for the Preparation of Selenoester Derivatives of Protected Amino Acids and Production of Biodiesel from Annona squamosa Oil

Nano-cerium oxide was synthesized by a simple and cost-effective alternative combustion route using novel aqueous Brahma leaf extract, Fourier transform infrared spectroscopy, photoluminescence, ultraviolet visible spectroscopy, energy-dispersive x-ray diffraction, semiconductor microscopy, and transmission electron microscopy. In addition, nano-CeO 2 exhibits high catalytic capability in the biodiesel production from Annona squamosa oil, yielding around 89% biodiesel yield.

Source link: https://ui.adsabs.harvard.edu/abs/2022JEMat.tmp..258L/abstract


The instability of a stable metal-organic framework in amino acid solutions

However, the basic structure of MOFs could be altered in a biological environment or in a buffer solution. In the presence of amino acids, UiO-66 loses crystallinity in relatively mild basic conditions. The unrest in the lysine and arginine solutions, which have higher basicity, is getting more apparent. We show that amino acids can replace the organic linkers and create zirconium-amino acid complexes with a combination of techniques. Our research shows one possible source of MOF degradation in the biological environment, but such degradability could also be a vital design element for MOFs in biomedical applications.

Source link: https://ui.adsabs.harvard.edu/abs/2022NaRes.tmp..264W/abstract


Comparison of endogenous amino acid losses in broilers when offered nitrogen-free diets with differing ratios of dextrose to corn starch

This preliminary research seeks to determine the correctness of IEAA's determination by proving the correctness of IEAA measurements. In the four NFD, the dextrose to corn starch ratios were 1. 00, 0. 60, 0. 33, and 0. 14, respectively. NFD significantly reduced serum IGF-1, albumin, and uric acid levels in comparison to the control group, although there was no difference between group D/CS 0. 33 and the control group for IGF-1. In the group with D/CS at 1. 00, the number of ileal goblet cells and Mucin-2 expression was higher than those with control D/CS 0. 33 and the control compared to group D/CS 0. 33 and the control group. Our findings show that a higher D/CS ratio in NFD increases the IEAAs by promoting digestive enzymes and mucin secretion. However, the high amount of starch in NFD was unsuitable for the chicken to digest.

Source link: https://ui.adsabs.harvard.edu/abs/2022NatSR..12.5689Z/abstract


Impact of Classical Strain Improvement of Penicillium rubens on Amino Acid Metabolism during β-Lactam Production

Penicillium rubens, a key industrial producer of -lactam antibiotics, is a key industrial producer of -lactam antibiotics. This research gives a molecular explanation for the interplay between secondary metabolite production and amino acid metabolism, as well as how classical strain increase has resulted in higher production strains. Several mutations targeted enzymes involved in amino acid metabolism, leading to the synthesis of l -cysteine, one of the amino acids used for -lactam manufacturing, according to detailed analysis. These results show that CSI has resulted in improved cysteine biosynthesis by the inactivation of the enzymatic pathways that specifically compete for cysteine biosynthetic pathways, consistent with the assumption that cysteine is a key component of penicillin production. This paper provides a molecular explanation for the interplay between secondary metabolite production and amino acid metabolism, as well as how classical strain improvement has resulted in improved production strains.

Source link: https://ui.adsabs.harvard.edu/abs/2020ApEnM..86E1561W/abstract

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions