Publications by authors named "Isaac G Macwan"
It is one of the most important needs to develop renewable, scalable and multifunctional methods for the fabrication of 3D carbon architectures. Even though a lot of methods have been developed to create porous and mechanically stable 3D scaffolds, the fabrication and control over the synthesis of such architectures still remain a challenge. Here, we used Magnetospirillum magneticum (AMB-1) bacteria as a bio-template to fabricate light-weight 3D solid structure of carbon nanotubes (CNTs) with interconnected porosity.
View Article and Find Full Text PDFFabrication and Experimental Analysis of Axially Oriented Nanofibers.
J Nanosci Nanotechnol
March 2016
A novel design of a laboratory built axially rotating collector (ARC) having capability to align electrospun nanofibers have been described. A detailed morphological comparison of such nanofibers orientation and their geometry is done using scanning electron microscopy (SEM). For comparison various polymeric solutions were electrospun on conventional static collector as well as ARC.
View Article and Find Full Text PDFResidue Specific and Chirality Dependent Interactions between Carbon Nanotubes and Flagellin.
IEEE/ACM Trans Comput Biol Bioinform
September 2017
Article Synopsis
- Flagellum is a whip-like appendage in single-celled organisms that has a complex structure made of flagellin consisting of various domains.
- The study investigates how the D3 residues of flagellin interact with two types of single-walled carbon nanotubes (SWNT) - metallic and semiconducting - using molecular dynamics simulations.
- Findings reveal that metallic SWNTs have stronger interactions with glycine and threonine residues, while semiconducting SWNTs predominantly interact with areas of the protein lacking glycine, highlighting the importance of glycine in differentiating between the two types of nanotubes.
Graphene oxide as a quencher for fluorescent assay of amino acids, peptides, and proteins.
ACS Appl Mater Interfaces
December 2012
Article Synopsis
- - The study explores how graphene oxide (GO) interacts with important biomolecules, such as certain amino acids and proteins, affecting fluorescence properties and indicating GO's role as a universal quencher for related biomolecules.
- - Fluorescence quenching was found to result mainly from static quenching, with some contribution from dynamic quenching mechanisms, highlighting the complexity of interactions based on conditions like pH.
- - Hydrophobic interactions played a significant role in the quenching process, as demonstrated by the presence of a nonionic copolymer (PF127), which reduced the interaction efficiency between GO and the biomolecules by blocking hydrophobic contact.