Nanoscience & Nanotechnology-Asia - Volume 11, Issue 4, 2021

Background: Obesity has been a serious health issue over the last decades, both in the affluent western world and developing countries. Obesity is linked to major health complications, such as diabetes, cardiac disorder, cancer, hypertension, sleep apnoea, etc. Available treatments, such as bariatric surgery and pharmacotherapy are often accompanied by adverse side effects and poor patient compliance. Nanotechnology is Read More

The biological applications of nanoparticles have been rapidly advancing in the field of cancer detection and its treatment. Many drug delivery systems have been developed and some are still developing based on the concept of nanotechnology for cancer diagnosis. These unique systems have the potential to diagnose, treat and reduce the chances of cancer. Some captivating fields with many applications have been devel Read More

Metal nanoparticular synthesis techniques essentially involve a reduction of metal ions to convert them into nanoparticles. Reducing agents originate from natural and synthetic sources. Chemical methods involve the application of synthetic agents that are not healthy and eco-friendly and thus, there is a need for green methods. Green synthesis methods involve the reduction of metal ions using plant-based extracts or Read More

Background: In this paper, transient two-dimensional laminar boundary layer viscous incompressible free convective flow of water based nanofluid with carbon nanotubes (CNTs) past a moving vertical cylinder with variable surface temperature is studied numerically in the presence of thermal radiation and heat generation. Methods: The prevailing partial differential equations which model the flow with initial and boundary cond Read More

Background: Conventional chemical fertilizers enhance agricultural output but deteriorate soil quality and fertility while causation of health and environmental issues. Therefore, the continual use of chemical fertilizers is not sustainable. Control release nanofertilizer is one of the solutions to said issues. Nanofertilizers use metallic nanoparticles and toxic cross-linkers (e.g. Glutaraldehyde, Glyoxal and Methacrylic Acid), which a Read More

Background: Cyanide is an immensely poisonous chemical that is exceedingly noxious to the human body. Methods: Considering this issue, we present a Rectangular core photonic crystal fiber (RPCF) to detect the cyanide. Zeonex is chosen as base material and the investigation is accomplished in the terahertz (THz) frequency region. Results: The RPCF model proffers high sensitivity, enlarged effective area, and insi Read More

Objective: A facile, effectively and environmentally friendly method for preparation of well dispersed silver nanoparticles was reported. Methods: In the method, Capsicum annuum L. extract was used as both reducing and stabilizing agent without addition of any other reducing and capping agent. The generation of silver nanoparticles was found by alteration of color from light yellow to red and the UV-vis absorption spectros Read More

Background: In recent years, the green synthesis of nanoparticles has taken a lead role over the conventional chemical and physical approach due to its non-toxic, cost-effective parameters and has found its place in various applications. Objectives: The major objectives of this study were to synthesise and characterise the copper nanoparticles using the rose extract at different set of conditions and analyse these nanoparticle Read More

Background: The synthesis of Metal Nanoparticles is a growing area of research interest due to its potential in the applications and development of advanced technologies. Here, we have stressed the Facile green synthesis approach that connects nanotechnology with biotechnology. Methods: The method involves the use of a biological reducing agent cum stabilizing agent (capping agent). A comparative account of particle di Read More

Background: Lysozyme level in body fluids is a significant indicator of various diseases. Cheap and simple colorimetric detection of lysozyme, in biological sample, by gold and silver nanoparticles is a field of interest of nanoparticle research for more than a decade. Objective: We report here an attempt to improve the sensitivity part of the colorimetric lysozyme detection process by using citrate capped gold-silver core-shell n Read More

Introduction: This paper demonstrates the design of a sensor model for the detection of Sodium Chloride (NaCl) in an effective and efficient manner. Photonic Crystal Fiber (PCF) has been used to design this sensor model. Objective: Using Comsol Multiphysics software, the sensor model has been implemented and simulated to carry out an in-depth analysis of the sensing performance of the proposed model. Methods: Th Read More

Background: Research has been focused on improving the thermal properties of single nanofluid components for recent years. Therefore, hybrid nanofluids or composites have been developed to improve heat transfer performance. Stability and thermal conductivity of Al2O3-TiO2- SiO2 nanoparticles are suspended in the fluid base of water (W) and ethylene glycol (EG) mixture with volume ratio of 60:40. Methods: Experi Read More