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Peptide-polymer conjugates are a class of soft materials composed of covalently linked blocks of protein/polypeptides and synthetic/natural polymers. These materials are practically useful in biological applications, such as drug delivery, DNA/gene delivery, and antimicrobial coatings, as well as nonbiological applications, such as electronics, separations, optics, and sensing. Given their broad applicability, there is motivation to understand the molecular and macroscale structure, dynamics, and thermodynamic behavior exhibited by such materials. We focus on the past and ongoing molecular simulation studies aimed at obtaining such fundamental understanding and predicting molecular design rules for the target function. We describe briefly the experimental work in this field that validates or motivates these computational studies. We also describe the various models (e.g., atomistic, coarse-grained, or hybrid) and simulation methods (e.g., stochastic versus deterministic, enhanced sampling) that have been used and the types of questions that have been answered using these computational approaches.
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http://dx.doi.org/10.1146/annurev-chembioeng-092319-083243 | DOI Listing |
ChemSystemsChem
May 2025
Department of Chemical and Biomolecular Engineering, Samueli School of Engineering, University of California, Irvine, CA 92697, United States.
This work investigates the influence of dielectrophoretic forces on the structural features and the resulting aggregates of a chromogenic model system, peptide-diacetylene (DGV-DA) amphiphiles. Here, we systematically investigate how non-uniform electric fields impact the (i) peptide-directed supramolecular assembly stage and (ii) topochemical photopolymerization stage of polydiacetylenes (PDAs) in a quadrupole-based dielectrophoresis (DEP) device, as well as the (iii) manipulation of DGV-DA aggregates in a light-induced DEP (LiDEP) platform. The conformation-dependent chromatic phases of peptide-PDAs are utilized to probe the chain-level effect of DEP exposure after the supramolecular assembly or after the topochemical photopolymerization stage.
View Article and Find Full Text PDFACS Appl Bio Mater
July 2025
Department of Chemistry & Biochemistry, The University of Texas at Arlington, Arlington, Texas 76019, United States.
Biofilm formation presents a significant challenge in chronic infections as it enables bacteria to resist conventional antibiotics and thrive in various areas of the body. The treatment is further hurdled by the acidic environment of biofilms due to anaerobic glycolysis of bacteria and the accumulation of acidic byproducts. Therefore, there is a need for the development of antimicrobial materials that can selectively and preferentially eradicate biofilms in the acidic environment.
View Article and Find Full Text PDFBioconjug Chem
July 2025
Department of Bioengineering, University of California, La Jolla, California 92093, United States.
Traumatic brain injury (TBI) remains a leading cause of long-term disability and mortality; however, there are no effective therapies to mitigate secondary injury and long-term neurological impairments. After the initial mechanical insult, there is a secondary injury that leads to neuroinflammation and blood-brain barrier (BBB) disruption, both of which are linked to changes in the extracellular matrix (ECM). A short peptide sequence, CAQK (Cys-Ala-Gln-Lys), targets upregulated ECM proteoglycans after TBI and has exhibited therapeutic properties in preclinical TBI studies.
View Article and Find Full Text PDFACS Appl Bio Mater
June 2025
School of Pharmaceutical Sciences, Lovely Professional University, Phagwara 144411, India.
Self-assembled fluorescent peptides are promising drug-delivery vehicles targeting cancer cells and enhancing the precision of therapeutic agents. Several systems have been developed including fluorescent peptides as cysteine-core peptides, cyclic peptides, nanostructures and peptide polymer conjugates specifically designed for targeted drug delivery. Further, these supramolecular carriers aid in targeted drug transport by using different cargos like doxorubicin (Dox), paclitaxel (PTX), etc.
View Article and Find Full Text PDFJ Am Chem Soc
May 2025
Department of Chemistry and Chemical Biology, Baker Laboratory, Cornell University, Ithaca, New York 14853, United States.
Selectively initiating controlled polymerizations using common functional groups is a powerful route to synthesizing advanced polymer architectures. Amines are one of the most common functional groups in small molecules, pharmaceuticals, and biomolecules, and thus are valuable substituents to use for initiating controlled polymerizations. In this study, we present the facile initiation of a controlled radical polymerization from the α-carbon of a primary amine via an electron donor-acceptor (EDA) complex-triggered radical deamination.
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