Background: Due to temperature-insensitive and limited tribochemical reaction, nanolubricants have received tremendous focus over the past few years. The addition of nanoparticles in lubricant has been demonstrated to reduce the coefficient of friction and increase the loadcarrying capability of lubricant in coupled surfaces. Much attention has been paid to copper nanoparticles for their perfect friction

Background: In recent times, CNTs have been much explored, and a topic of interest in science and technology and not limited to any specific field. The diverse application area included field emission, energy storage, atomic electronics, nuclear force microscopy, and imaging. In biology, CNTs engaged in developing novel tools for the delivery of biologically important molecules as well as in diverse

Both mono and hybrid nanofluids, the engineered colloidal mixture made of the base fluid and nanoparticles, have shown many interesting properties and become a high potential nextgeneration heat transfer fluids in various heat exchangers for engineering applications. The present review focuses on improving the performance of tubular heat exchangers by using nanofluids. For this, the present review

Background: Copper is an important micronutrient required for the growth of the plants. It activates enzymes and helps in protein synthesis in plants. Nanoparticles in the size range from 1 to 100 nm possess unique properties, such as the high surface area to volume ratio, size-dependent capabilities and unique optical properties, and hence, copper nanoparticles (CuNPs) were evaluated for growth promotion

Background: Liquid C8-C15 long-chain alkanes, as the main components of jet fuels or diesel, can be synthetized from abundant and renewable biomass derivatives by extending the carbon- chain length through cascade C-C coupling over acidic catalysts and hydrodeoxygenation over metal particles. Objective: This research aims to develop a carbon-increasing catalytic process through the dimerization of

Background: World energy crisis has triggered more attention to energy developing of clean energy carrier. To find simple, economical and effective hydrogen evolution reaction catalysts is one of the major challenges. Rational design and modification of electrocatalysts materials are of great importance for the development of low-cost and effective catalysts. Methods: Herein, we report a Ni-CNTs-HG/NF

Background: Biosynthesis of gold nanoparticles from medicinal plants has become an interesting strategy in biomedical research due to its exclusive properties including less toxic cellular level through its ecofriendly biological function. Objective: To examine the anti-lipid accumulation effect of spherical gold nanoparticles (size 10-20 nm) synthesized from Dendropanax morbifera Léveille (D-AuNPs)

Background: Removal of sulfur-containing compounds from the aqueous environment is necessary as these compounds pose potential risks to human health, hygienic management and bring great economic losses due to fouling of resin bed and corrosion of process equipment. Objective: This work aims to study the H2S removal efficiency using high surface area mesoporous silica (MCM–41). Methods: In this study

Background: Endotoxin-free engineered nanoparticle suspensions are imperative for their successful applications in the field of nanomedicine as well as in the investigations in their toxicity. Gold nanoparticles are known to interfere with various in vitro assays due to their optical properties and potential for surface reactivity. In vitro endotoxin testing assays are known to be susceptible to interference

Background: Based on various distinguished physical and chemical properties of gold nanoparticles, they have far wide applications in several areas of industry and medicine, such as catalysis, bio-sensor and drug delivery. Compared to a chemical method, biological synthesis is an economical and less toxic process, thus it is a better alternative for nanoparticle synthesis. In this study, an environmentally

Background: A sensing material of zinc oxide (ZnO) was investigated for its use in the electrospun nanofibers for gas sensing. The metal oxide semiconductor gas sensor response is caused by the oxygen that undergoes a chemical reaction on the surface of an oxide, resulting in a change in the measured resistance. Objective: One-dimensional nanofibers gas sensor have high sensitivity and diverse selectivity

Electron beam lithography (EBL) and ion beam lithography (IBL) are extremely promising nanofabrication techniques for building nano-electronic devices due to their outstanding physical and electronic properties. In this review, an overview of EBL and IBL and a comparison of nanoelectronics fabricated based on four types of materials, namely graphene, ZnO, TiO2 and Ge, are presented. In each type of

Background: The architecture and sequential learning rule-based underlying ARFIS (adaptive-receiver-based fuzzy inference system) are proposed to estimate and predict the adaptive threshold-based detection scheme for diffusion-based molecular communication (DMC). Methods: The proposed system forwards an estimate of the received bits based on the current molecular cumulative concentration, which is

Background: Titanium dioxide (TiO2) is currently one of the most widely known nanomaterials produced for different purposes. The adverse effects of nano-dispersed TiO2 cause a serious concern about human health problems related to the intake of TiO2 nanoparticles (TiO2 NPs). The investigation of TiO2 NPs’ penetration through the gut epithelium into secondary organs and the relevant biological effects

Background: Cancer is deadly to most of its patients. Consequently, researchers and modelers studies show that there are many ways to cure and destroy it. One of the effective ways is to inject the blood vessel close to the tumor with magnetic nanoparticles. Another way called the radiation therapy or radiotherapy, which eradicates cancer cells through high doses of radiation. Objective: This paper

Background: The present study reveals the synthesis of copper oxide nanoparticles (CuO NPs) by probiotic bacteria (Lactobacillus casei subsp. casei) and demonstrates the cytotoxic effects of these nanoparticles against gram negative and positive bacteria and cancer cell lines. Methods: The CuO NPs are biosynthesized from Lactobacillus casei subsp. casei (L. casei) in an eco-friendly and cost-effective

Cancer is the second leading cause of death worldwide. There are various classes of medications available for the management of cancer. Nanoparticles based drugs are the most preferred category among them due to their specificity towards target and reduction in the dose of drugs. Nanotechnology includes multiple subdisciplines like nanostructures, nanomaterials, and nanoparticles. These nanostructure-based

Background: Erosive wear causes increase in the bore diameter of firearms barrels and nozzles. Most responsible factors for this erosion are friction and heat generated during the shot. Protection from erosive wear is very important for gun tube life cycle, and various protection methods are used: adding phlegmatizers in gunpowder composition or applying protective layers on the gun bore inner surface

Background: Iron Oxide nanoparticles have enormous applications in environmental remediation and catalysis. The synthesis of such nanoparticles through a green approach provides a significant advantage due to the non-toxic nature of the ingredients involved. Methods: In the present work, Diospyros lotus fruit extract was used for the synthesis of iron oxide nanoparticles (NPs). The plant biomolecules