We use passive and active techniques to study microrheology of a biopolymer solution. The passive technique is video tracking of tracer particles in the biopolymer, a technique which is well established. The active technique is based on rotating optical tweezers, which is used to study viscosity. A method to actively measure viscoelascity using time varying rotation of a particle trapped in opt...

Biopolymers are promising materials in the delivery of protein drugs due to their compatibility, degradation behavior, and nontoxic nature on administration. On suitable chemical modification, these polymers can provide better materials for drug delivery systems. Nanostructured drug carriers allow the delivery of not only small-molecule drugs but also of nucleic acids and proteins. The use of b...

Abstract Porous carbon is prepared from the cornstarch biopolymer by simple carbonization process initially at 800 °C. This sample has been activated gasification with help of oxidizing gas and reaction certain chemicals for its pore development. The final product then characterized techniques like XRD, RAMAN, BET, TGA, FESEM, EDX to study all behavior. results these characterizations have thor...

Over the last 30 years, genetically engineered DNA has been tested as novel vaccination strategy against various diseases, including human immunodeficiency virus (HIV), hepatitis B, several parasites, and cancers. However, clinical breakthrough of technique is confined by low transfection efficacy immunogenicity employed vaccines. Therefore, carrier materials were designed to prevent rapid degr...

Abstract The remediation of methylene blue from wastewater using chitosan-sunflower-nano-iron (CSN) beds was examined in this study with the Fenton process. Nano-iron is synthesized green synthesis Then, biopolymer obtained nano-iron, sunflower tray waste, and chitosan. These used process for removing Methylene (MB) water. Beds dye are characterized SEM, TEM, FTIR, XRD techniques. For method op...

Chitosan is a naturally occurring biopolymer having multifaceted applications in agriculture, medicine, food industry, and cosmetics. The association of this natural with nanotechnology can produce revolutionary effects plant protection agriculture. Nano-chitosan be fabricated using various methods. However, the green synthesis approach has gained attention recent years. engineered nanoparticle...

This study describes formation of an actively and passively targeted, water-soluble drug delivery system (DDS) which contains doxorubicin (DOX). The system comprises two biocompatible and biodegradable polymers: poly-γ-glutamic acid (PGA) and chitosan (CH). Self-assembly of these biopolymers in aqueous medium results stable nanoparticles (NPs) with a hydrodynamic size of 80-150 nm and slightly ...