21400-90-8

Upstream product

• 1492-30-4 4-nitrophenyl palmitate 
• 73-22-3 L-Tryptophan 
• 112-67-4 n-hexadecanoyl chloride 
• 214706-40-8 N-n-hexadecanoyl methyl (L)-tryptophanate 
• 261734-91-2 C₂₉H₄₆N₂O₃ 
• 57-10-3 1-hexadecylcarboxylic acid 
• 7524-52-9 (S)-tryptophan methyl ester hydrochloride 

Relevant academic research and scientific papers

N-acyl derivatives of arginine and tryptophan isolated from environmental DNA expressed in Escherichia coli

(Chemical Equation Presented) Heterologous expression of microbial DNA extracted directly from environmental samples (environmental DNA, eDNA) in easily cultured hosts can provide access to natural products produced by previously uncultured bacteria. This

Translation of Mycobacterium Survival Strategy to Develop a Lipo-peptide based Fusion Inhibitor**

The entry of enveloped virus requires the fusion of viral and host cell membranes. An effective fusion inhibitor aiming at impeding such membrane fusion may emerge as a broad-spectrum antiviral agent against a wide range of viral infections. Mycobacterium survives inside the phagosome by inhibiting phagosome–lysosome fusion with the help of a coat protein coronin 1. Structural analysis of coronin 1 and other WD40-repeat protein suggest that the trp-asp (WD) sequence is placed at distorted β-meander motif (more exposed) in coronin 1. The unique structural feature of coronin 1 was explored to identify a simple lipo-peptide sequence (myr-WD), which effectively inhibits membrane fusion by modulating the interfacial order, water penetration, and surface potential. The mycobacterium inspired lipo-dipeptide was successfully tested to combat type 1 influenza virus (H1N1) and murine coronavirus infections as a potential broad-spectrum antiviral agent.

Improvements in or Relating to Organic Compounds

A stock solution comprising a compound of formula (I) Wherein R1 together with the carbonyl group to which it is attached is a residue of a carboxylic acid, and NR2R3, in which R3 is H or together with R2 and the N-atom to which they are attached, a 5-membered ring, is a residue of an amino acid, in particular a proteinogenic amino acid, ornithine, gamma-aminobutyric acid or beta alanine, or a 1-amino cycloalkyl carboxylic acid.

Superior SWNT dispersion by amino acid based amphiphiles: Designing biocompatible cationic nanohybrids

Stable aqueous SWNT dispersion up to 92% was achieved using amino acid based amphiphiles through a structure-property investigation. The nanohybrids showed remarkable serum stability and biocompatibility to mammalian cells.

Solvent-mediated morphological transformations in peptide-based soft structures

Self-assembly is routinely used for the design and fabrication of new and advanced materials. Biological building blocks such as short peptides undergo self-assembly to reveal a variety of hierarchical structures such as nanotubes, fibers, and spherical structures. Peptide-based soft spherical structures are potentially useful for a variety of applications including vehicles for drug delivery and biological molecules. This report describes a tripalmitoylated triskelion ditryptophan peptide conjugate (5) that self-assembles to form hollow spheres along with pores on the surface when higher concentration of the dichloromethane was used, but forms fiber structures when heated in toluene solvent.

Molecular mechanism of physical gelation of hydrocarbons by fatty acid amides of natural amino acids

A variety of fatty acid amides of different naturally occurring l-amino acids have been synthesized and they are found to form gels with various hydrocarbons. The gelation properties of these compounds were studied by a number of physical methods including FTIR spectroscopy, X-ray diffraction, scanning electron microscopy, differential scanning calorimetry, rheology, and it was found that gelation depended critically on the fatty acid chain length and the nature of the amino acid. Among them l-alanine based gelators were found to be the most efficient and versatile gelators as they self-assemble into a layered structure to form the gel network. Mechanisms for the assembly and formation of gels from these molecules are discussed.

HIGHER N-ACYL-L-AMINO ACID DERIVATIVES

A preparative method is proposed for obtaining higher N-acylamino acids by reaction of free amino acids with fatty acid nitrophenyl esters.It was shown that these acids can transport positive ions through a liquid lipophilic medium.A direct method is proposed for obtaining fatty acid 4-nitrophenyl esters by boiling 4-nitrophenol and the fatty acid in xylene in a Soxhlet apparatus in the presence of an acid catalyst.