Page 1 of 15 - About 142 Essays
  • Challenges Of Nanotechnology

    The use of nanotechnology can provide a specific drug delivery system and overcome the challenges faced. Nanotechnology is a field that covers various areas such as biology, engineering, chemistry and physics (Gandhi et al., 2014). Due to its small size, nanoparticles have high surface area that not only allow ways for more efficient drug release to the cells and also be able to be functionalization (Nie et al., 2007). There are mainly…

    Words: 761 - Pages: 4
  • Baker's Yeast Lab Report

    3.1. Green photosynthesis of gold nanoparticles using aqueous extract of Baker’s yeast: One aim of the present study is the development of an improved method for derivatization of metabolites existed in aqueous extract of Baker’s yeast (Saccharomyces cerevisiae). This procedure facilitates identification of metabolites in Baker’s yeast extract and its utility for the synthesis of nanomaterials. The preparation of trimethylsilylenol ethers of metabolites was performed by treatment of the extract…

    Words: 1642 - Pages: 7
  • Nanoparticles Case Study

    Physicals techniques used are delivery catheter, coated stent, adventitial delivery and brachytherapy, to name a few. However, active methods used are using antibodies or targeting peptide to aim the drug at specific targets. In addition, nanoparticles have been used recently to improve the delivery and bioavailability of the active agent. (Wilensky, 2010). A nanoparticle is a particle that is less than 100nm in size and has magnetic and fluorescent material. It has a large surface area and is…

    Words: 952 - Pages: 4
  • Characteristics Of Nanoparticles

    Nanoparticles (NPs) have piqued the interest of scientists because of their distinct physical, chemical and biological properties when compared to bulk material. These differences in characteristics can be attributed to the high surface-to-volume ratio (SA:V) of NPs compared to bulk material. Since NPs have a higher SA:V than bulk material, they are more reactive than their bulk counterparts; therefore, the surface characteristics of NPs can be easily manipulated. (Xuefei et al, 2014) Metal NPs…

    Words: 2262 - Pages: 10
  • Nanoparticles Case Study

    that the metal based nanoparticles is found to be an effective antimicrobial agent against several common pathogenic microorganisms.(Nanoparticles and potential apps, Biomedical applications,Antimicrobial activities of silver nanoparticles, Green synthesis, A review on plants extract mediated, Antimicrobial Properties).It is multidisciplinary area where in nanotechnology has led to major developments in health and medicine due to the integration the biotechnology in it (heralding new…

    Words: 1481 - Pages: 6
  • Equation Of Volumetric Nanoparticle Fractions

    (2.3) The equations of motion, heat and volumetric nanoparticle fraction are written in both regions as follows [22]: 1- In the Porous Region (1): The incompressibility condition yields . (2.4) The conservation of momentum requires . (2.5) The conservation of energy yields (2.6) The equation of the volumetric nanoparticle…

    Words: 1407 - Pages: 6
  • The Harmful Effects Of Nanoparticles On The Human Body

    The use of these nanoparticles will overshadow the harmful effects because they detect proteins, create fluorescent biological labels for important biological markers and molecules in research and diagnosis of diseases, isolate and purify biological molecules and cells in research. Most importantly, nanoparticles are used for gene delivery systems in gene therapy, which is the key factor for personalized medicine. These nanoparticles will cause a life time change in the field of medicine for…

    Words: 1033 - Pages: 4
  • Silver Nanoparticles Lab Report

    Preparing Dilutions of the Silver Nanoparticles 1. Gather all materials. 2. Put on a pair of disposable gloves. 3. Make a paper towel damp with some 70% isopropyl rubbing alcohol. Wipe down the work surface with the rubbing alcohol-dampened paper towel. 4. Using a permanent marker, label the five baby food jars #1 to #5. 5. Using the 25 milliliter (mL) graduated cylinder, measure and pour 22.5 mL of distilled water (from a new, unopened container) into each of jars #2, #3, #4, and #5. 6. Using…

    Words: 1087 - Pages: 5
  • Summary On Zinc Oxide Nanoparticles With Defects

    Abstract: This paper provides a brief summary of existing article Zinc Oxide Nanoparticles with Defects by Vladislav Ischenko,Sebastian Polarz,Dirk Grote,Victorina Sravarache,Karin Fink,and Matthias Driess. This paper discusses the importance of a nanoscale ZnO with defects in its structure. The article also provides a broad analysis of ZnO nanoparticles using a consolidation of techniques and the resulting data is summarised in this review. The paper gives the realization of when a…

    Words: 1986 - Pages: 8
  • Zinc Oxide Nanoparticles Case Study

    nanotechnological consumer products, the most rapidly growing is the use of nanoparticles (NPs).(47) So far the knowledge regarding the safety aspects of NPs is still in its initial phase and greater efforts is needed to understand the interaction of NPs with the human body. (48) Several studies have reported that NPs always showed more serious toxicity than bulks and suggested that their size and the dose were the key factors influencing NPs toxic effects.(49) Despite of this, large numbers of…

    Words: 1364 - Pages: 6
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