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ESI-FT-ICR MS in the identification and characterization of tetrameric acids (ARN) in petroleum and naphthenates with minimal sample preparation
Naphthenate deposits are a major obstacle in ensuring an economic and successful flow in the production and processing of crude oil. The formation of...
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Immobilization of Nucleic Acids Using Biotin-Strept(avidin) Systems
There are several advantages for using biotin-streptavidin/avidin (strept(avi-din)) systems to immobilize nucleic acids and other molecules. These...
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Polyiodides of amino acids. l-proline triiodides
Two new salts of l -proline containing triiodide anions were obtained and investigated: ( l -ProH··· l -Pro)(I 3 ) (I) and [( l -ProH) 3 ( l -Pro)](I 3 ) 3 (II)....
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Evaluation of the enzymatic activity of catalase in aqueous mediums of basic amino acids based deep eutectic solvents
We analyzed catalase's function, structure, and thermal stability in two basic amino acid-based deep eutectic solvents due to the importance of...
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Target ssDNA activates the NADase activity of prokaryotic SPARTA immune system
Argonaute proteins (Agos), which use small RNAs or DNAs as guides to recognize complementary nucleic acid targets, mediate RNA silencing in...
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Molecular Speciation of Isopolyoxomolybdates and Isopolyoxotungstates with Silicic Acid in Aqueous Solution Using ESI–MS
There have been few reports on the characterization of molybdate and tungstate species in pure water using ESI–MS. Hexameric molybdate anions were...
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Thermodynamic Characteristics of Alkali Metal Pivalates (CH3)3CCOOM (M = Li, Na, K, Rb, Cs)
Abstract—The thermodynamic properties of alkali metal pivalates (CH 3 ) 3 CCOOM, where M = Li, Na, K, Rb, Cs, were studied by mass spectrometry,...
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Structural and Biochemical Studies on Klebsiella Pneumoniae Enoyl-ACP Reductase (FabI) Suggest Flexible Substrate Binding Site
Klebsiella pneumoniae , a bacterial pathogen infamous for antibiotic resistance, is included in the priority list of pathogens by various public...
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i-Motif folding intermediates with zero-nucleotide loops are trapped by 2′-fluoroarabinocytidine via F···H and O···H hydrogen bonds
G-quadruplex and i-motif nucleic acid structures are believed to fold through kinetic partitioning mechanisms. Such mechanisms explain the structural...
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SYNTHESES, STRUCTURAL INSIGHT AND HIRSHFELD SURFACE ANALYSIS OF TWO HETEROLEPTIC COORDINATION POLYMER OF Cu(II)
AbstractUsing a solvothermal method, we have synthesized two coordination polymers of Cu(II). One is a 1D polymer {[Cu(bpy)(NDC)(H 2 O)]·2H 2 O} n ( 1 ,...
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Rethinking the MtInhA tertiary and quaternary structure flexibility: a molecular dynamics view
Flexibility and function are related properties in the study of protein dynamics. Flexibility reflects in the conformational potential of proteins...
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The Effects of FANA Modifications on Non-canonical Nucleic Acid Structures
Initially explored for its antiviral applications, the 2′-deoxy-2′-fluoroarabino nucleoside is now widely incorporated into oligonucleotides for...
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From strain engineering to process development: monoclonal antibody production with an unnatural amino acid in Pichia pastoris
BackgroundExpansion of the genetic code is a frequently employed approach for the modification of recombinant protein properties. It involves...
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Imprinted Polymers on the Route to Plastibodies for Biomacromolecules (MIPs), Viruses (VIPs), and Cells (CIPs)
Around 30% of the scientific papers published on imprinted polymers describe the recognition of proteins, nucleic acids, viruses, and cells. The...
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Identification and quantification of biosurfactants produced by the marine bacterium Alcanivorax borkumensis by hyphenated techniques
A novel biosurfactant was discovered to be synthesized by the marine bacterium Alcanivorax borkumensis in 1992. This bacterium is abundant in marine...
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Organometallic Receptors for Biologically Interesting Molecules
Trinuclear organometallic macrocycles are able to complex amino acids and peptides in aqueous solution. The complexation, which is driven by...
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The Effects of FANA Modifications on Non-canonical Nucleic Acid Structures
Initially explored for its antiviral applications, the 2′-deoxy-2′-fluoroarabino nucleoside is now widely incorporated into oligonucleotides for...
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Structures and function of the amino acid polymerase cyanophycin synthetase
Cyanophycin is a natural biopolymer produced by a wide range of bacteria, consisting of a chain of poly- l -Asp residues with l -Arg residues attached...
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Chiral Spaces in Supramolecular Assemblies
The present review is aimed at illustrating to the reader the state of the art on the construction of artificial chiral supramolecular assemblies...
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Synthesis and applications of mirror-image proteins
The homochirality of biomolecules in nature, such as DNA, RNA, peptides and proteins, has played a critical role in establishing and sustaining life...
