Volume 3, Issue 2, p61-96
Articles published in this issue are Open Access and licensed under Creative Commons Attribution License (CC BY NC) where the readers can reuse, download, distribute the article in whole or part by mentioning proper credits to the authors.
Polyurethane (PU) foam is synthesised via a polymerisation reaction of polyol and isocyanate, in the presence of various formulations of catalysts and surfactants. For this reason, depending on the composition, PU foam can be tailor-made into flexible foams, semi-rigid foams, and/or rigid foams, resulting in a wide range of products with unique properties.J Nanotechnol Nanomaterials, 2022, Volume 3, Issue 2, p61-66 | DOI: 10.33696/Nanotechnol.3.031
Titanium dioxide (TiO2 ) based nano-sized photocatalysts (NPCs) were synthesized following a green method from the extract of Peepal (Ficus religiosa) leaves and titanium tetrachloride as precursors. Doping of TiO2 with Magnesium (Mg) was done using magnesium chloride through the method of chemical precipitation. Size of the NPC samples were estimated and characterized by CPS Disc Centrifuge, Diffracted Light Scattering (DLS) and Field Emission Gun Scanning Electron Microscopy (FEG-SEM) techniques.J Nanotechnol Nanomaterials, 2022, Volume 3, Issue 2, p67-76 | DOI: 10.33696/Nanotechnol.3.032
Nanotechnology is the art of science manipulating matter at the nanoscale about 1 to 100 nanometers, 10-9 nm ranging from a sheet of paper (100,000 nanometers thick) to a human hair (around 80,000-100,000 nanometers).J Nanotechnol Nanomaterials, 2022, Volume 3, Issue 2, p77-78 | DOI: 10.33696/Nanotechnol.3.033
Biological and Non-Conventional Synthesis of Zinc Oxide Nanoparticles (ZnO-NPs): Their Potential Applications
In nature, nanoparticles can be found as natural or synthetic. Nanoparticles may form either physically or chemically. Nanoparticles are uniform types of common material whose dimensions are less than 100 nm. Volcanic ash, ocean spray, fine sand, and dust are some examples of natural nanoparticles.J Nanotechnol Nanomaterials, 2022, Volume 3, Issue 2, p79-89 | DOI: 10.33696/Nanotechnol.3.034
Electrochemical Supercapacitors Based on Hydrous RuO2/oxidized Multi-walled Carbon Nanotube Composites
Electrochemical properties of ruthenium oxide (RuO2)/oxidized multi-walled carbon nanotube (MWCNT) (RuO2/MWCNT) composite electrodes in supercapacitors were investigated. The electrodes were prepared by impregnating MWCNTs with different concentrations of RuCl3•xH2O solution, followed by chemical reduction and annealing at 150°C under a nitrogen atmosphere.J Nanotechnol Nanomaterials, 2022, Volume 3, Issue 2, p90-96 | DOI: 10.33696/Nanotechnol.3.035
The variety of methods employed during the fabrication of MONPs can alter the characteristics and control the properties of the obtained nano-oxides. The reaction mechanisms and, therefore, the functionality of nanostructured MOx depend on their composition
In silico Analysis for the Repurposing of Broad-spectrum Antiviral Drugs against Multiple Targets from SARS-CoV-2: A Molecular Docking and ADMET Approach
SARS-CoV-2 belongs to the genus Beta of the Coronaviridae family of enveloped single-stranded, positive-sense ribonucleic acid (RNA) with a genome length of 30,000bp. The virion is composed of various non-structural (RNA dependent RNA polymerase also known as RdRp) and structural proteins such as Spike (S), Nucleocapsid (N), Matrix (M), and Envelope (E) proteins.
Dexamethasone: The First Drug to be Shown to Decrease Mortality in Critically Ill Patients with COVID-19
The precise role of corticosteroids for treatment of coronavirus disease 2019 (COVID-19) is unclear due to lack of randomized trials.
Since December 2019, Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) caused by 2019 Novel Coronavirus (2019-nCoV) has resulted in 89,000 cases of Corona Virus Disease 2019 (COVID-19), formerly known as Novel Coronavirus Pneumonia (NCP) in China, including 2,450 deaths.
Plastic is a composite material made from organic polymers and can be freely molded into a film, fiber, or plate by heat or pressure processing. In 1839, Goodyear proposed the vulcanization of natural rubbers, while E. Simon discovered polystyrene
This article is an extension to our recently published article in Asian Journal of Pharmaceutical and Clinical Research, entitled “Β-Sitosterol: Isolation from Muntingia Calabura Linn. Bark Extract, Structural Elucidation, and Molecular Docking Studies as Potential Inhibitor of SARSCoV-2 Mpro (COVID-19)”.
Rapid Inactivation of SARS-CoV-2 by Coupling Tungsten Trioxide (WO3) Photocatalyst with Copper Nanoclusters
At the end of 2019, a novel severe respiratory disease (coronavirus disease 2019, COVID-19) spread to Wuhan, China, it became pandemic in few months, with more than 41 million people infected worldwide as of October 2020. COVID-19 is caused by a novel virus called severe acute respiratory syndrome (SARS) CoV-2 to distinguish it from SARS-CoV that emerged in Guangdong province in China in 2003 and caused the severe clinical condition known as SARS. Like SARS-CoV, SARS- CoV-2 causes a severe inter
After one year in a pandemic, we mourn the loss of over half a million lives in the United States, and over four million worldwide, and remain concerned over the challenges facing the families of 35 million people in the United States, and 200 million worldwide, who have suffered from cases of COVID-19.
Miscanthus capensis is a hardy, evergreen, medium-high, clump-forming grass that belongs to the Poaceae family. It is used in South Africa for the treatment of pimples, wounds, eczema, and acne.
Quantifying Respiratory Airborne Particle Dispersion Control Through Improvised Reusable Masks: The Physics of Non-Pharmaceutical Interventions for Reducing SARS-CoV-2 (COVID-19) Airborne Transmission
In light of the current pandemic from rapid transmission of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2 or COVID-19) and significant morbidity, there has been inconsistent medical guidance given to the public regarding the wearing of non-medical improvised fabric masks or face coverings to reduce the transmission of COVID-19.
Severe acute respiratory syndrome coronavirus 2 (SARSCoV- 2) is a positive-sense, single-stranded RNA with genome size 26.2, and 31.7 kb coronavirus, covered by an enveloped structure, which is a major source of disaster in the 21st century. A typical CoV contains at least six ORFs in its genome. SARS-CoV-2 is the seventh coronavirus that is known to cause human disease.
At the beginning of Covid-19 pandemic, we proposed to use hydroxychloroquine (HCQ) and intranasal interferon (IFN) a-2b spray to prevent SARS-CoV-2.
Since the declaration of COVID-19 as a pandemic in March 2020 , there have been more than 100 million reported cases of COVID-19 worldwide and more than 2.1 million deaths .
Unequal access to drinking water and basic sanitation are old issues in Brazil and worldwide. Besides, this situation foments the proliferation of infectious parasitic diseases. Moreover, mainly in underdeveloped countries, it victimizes socioeconomically vulnerable people. The degree of water contamination analysis, usually by fecal matter, is made by the number of microorganisms present in the sample, including Escherichia coli or thermotolerant coliforms. In addition, several
Despite the health benefits associated with polyphenols, the bioavailability of many polyphenols limits their effects. Problems with poor solubility fast-metabolism and food preparation techniques limit the bioavailability and bioactivity of these dietary micronutrients. Encapsulation of polyphenols has shown to protect and increase bioavailability of these dietary compounds and to enhance their anticancer activity.
Advances in Functionalized Hybrid Biopolymer Augmented Lipid-based Systems: A Spotlight on Their Role in Design of Gastro Retentive Delivery Systems
Biopolymers have earmarked their importance in the biomedical and pharmaceutical applications. Researchers are still working for the facilitation of better therapeutic effects and medical benefits. In this context, several strategies are on a play like functionalization of biopolymers with physicochemical modification, functionalization of lipids with biopolymers, development of composites or hybrid systems for bringing together the benefits of individual moieties/systems
Solar cells made of crystalline silicon (c-Si) have dominated the world’s solar energy market to date. Meanwhile, there is growing interest in adding new features or properties to c-Si solar cells such as vibrant colors that make them particularly attractive for decorative applications. Nevertheless, c-Si solar cells with regular p-n junctions present a
Inhaled budesonide benefits patients with COVID-19. ProLung™-budesonide enables the sustained, low dose administration of budesonide within a delivery vehicle similar to lung surfactant.
Environmental pollution is a significant concern in both developing and developed countries. The pollution load in the environment accumulates as a result of anthropogenic activity. Both organic and inorganic contaminants are hazardous to living things, and their incidence and persistence have risen dramatically in current years.
The prevalence of diabetes in COVID-19 patients ranges from 5.3% to 58% representing the second comorbidity after hypertension. However, when adjusted for age, diabetes prevalence among COVID-19 patients is similar to its prevalence in the general population.
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