Microscopy

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  • Electron Microscopy Essay

    Transmission electron microscopy, or TEM, is a variation of low field, high-powered electron microscopy. Created by Ernest Ruska and Max Knoll of the Berlin Technische Hochschule in 1931, the invention of this novel microscope allowed for the surpassing of the visible light resolution barrier. Since its inception, the TEM has become a resolution standard in the field of imagery, and further advances have led to the progression of high quality atomic viewing. The development of the electron microscope in the 1930s revolutionized biology, allowing for organelles, such as mitochondria, to be seen in detail for the first time. Unlike light microscopy, TEM uses a beam of electrons, denoted as a cathode ray, to scan samples. While the traditional optical microscope is restricted in resolution by the wavelength of…

    Words: 892 - Pages: 4
  • Pathogenesis Of Endometriosis Summary

    endometrium of women who had endometriosis and those whom didn’t have it. The results of the two populations were compared. Due to this being done, it was shown that a particular protein known as DJ-1, is present and upregulated in eutopic endometrium of the woman surveyed with endometriosis. Therefore, it was inferred, that this protein may have impact or involvement of how endometriosis occurs. DJ-1 is a protein that is known to affect cell survival and growth as well as in ant oxidative…

    Words: 1260 - Pages: 6
  • Tetrahymena Lab Report

    During this lab, Sfr13 mutant and wild type Tetrahymena’s number of India Ink vacuoles and sizes were observed over multiple trials, and then the averages were compared to see if there was any difference between the mutant and WT. Furthermore, the two strains of Tetrahymena were stained with mCherry fluorescence, so that the oral grooves could be examined and compared under fluorescence microscopy. This experiment was designed to eliminate as much bias as possible by replicating the experiment…

    Words: 777 - Pages: 4
  • Microscope Lab Report Essay

    During the microscope lab, my partner and I learned how to properly use a microscope, calculate the field of view, and view and prepare slides. Microscopes are instruments used to view very small objects that cannot be seen with the naked eye. We found that microscopes have many different parts to them, including the diaphragm, ocular lens, and objective lenses. There are three powers of magnification, scanning power (4x), low power (10x), and high power (40x). To find the total magnification,…

    Words: 698 - Pages: 3
  • Importance Of Compound Microscope

    Introduction The microscope is an optical instrument that produces large images of small objects that cannot be observed by the human naked eye. There are two types of light microscopes: compound microscope and Electron microscope. Light microscopes are divided into two categories: Compound microscopes and Stereoscope microscopes. Electron microscope functions in the following way; a stream of electrons emitted from an electron source built in the microscope, the obtained image is in black and…

    Words: 1295 - Pages: 6
  • Microscopy Research Paper

    Microscopy is one of science’s greatest innovations. The microscope has revolutionised countless areas of scientific research and has become an icon of science itself. From Anton van Leeuwenhoek discovering micro-organisms in the 1670’s to the highly powerful atomic microscopes used today, microscopy has furthered scientific knowledge in many, many ways [1]. It has practical applications in very many areas of research such as biotechnology, materials science, microbiology, environmental science…

    Words: 1344 - Pages: 6
  • Smear Microscopy Essay

    3.5. Factors influencing smear microscopy3.5.1. Gender Difference Although the literature on Indian women and TB is scanty, several factors such as self-image, status in family and society, access to resources, and social stigma clearly have different effects on health-seeking behavior for TB among women and men. TB affects women mainly in their economically and reproductively active years, and the impact of the disease is also strongly felt by their children and families166. Chapter III The…

    Words: 8561 - Pages: 35
  • Ultrafast Electron Microscopy Analysis

    Ultrafast Electron Microscopy has been demonstrated to be an effective table-top technique for imaging the temporally-evolving dynamics of matter with subparticle spatial resolution on the time scale of atomic motion. A stringent enhancement of the UEM temporal resolution is demanded for recording snapshots of the electron motion which will provide a real-time access to all microscopic motions outside the atomic core and radically change our insight into the workings of the microcosm. Here, we…

    Words: 1738 - Pages: 7
  • Electron Microscopy Lab Report

    Using scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS) images and spectra were obtained from various samples of silica and platinum on silica. Each sample contains unique structures which were prepared by etching the surface of silica in different conditions. A scanning electron microscope is a type of electron microscope that produces images of topography and composition by scanning a sample with a focused beam of electrons. Samples can be observed in high vacuum,…

    Words: 1149 - Pages: 5
  • Nanobacteria Research Paper

    existence has raised many controversial questions, including whether or they are alive. Some experts claim nanobes are simply too small to be life forms, while others assert that nanobes are most certainly alive. Although the evidence from experiments by Kajander and Ciftcioglu can be used to support both sides of the argument, I believe that there is a more viable case for the theory that nanobacteria are indeed alive. Nanobes are the smallest cell-walled organisms on earth. When scientists…

    Words: 1171 - Pages: 5
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