PPT-There are two types of electron microscopes

Scanning electron microscope SEM 2 Transmission Electron Microscope New Techniques in Microscopy Confocal Microscopy Confocal Scanning Laser Microscope Light Microscope Electron Microscope. jlaborg Microscopes Microscopes Microscopes Microscopes Microscopes Microscopes Microscopes brPage 2br Thomas Jefferson National Accelerator Facility Office of Science Education httpeducationjlaborg Microscope Homework Bring in objects to experiment Compound Light Microscope. Electron Microscopes. (TEM and SEM). Overview of Microscopes. Magnification. – increase of an object. ’. s apparent size. Total . magnification:. . mag. . of eyepiece x mag. of objective lens. History of the Microscope. Hans and Zacharias Janssen- (1595) Eyeglass crafters- Magnify object 3-10x . Robert Hooke- (1655) Observed pores on corks and called them "cells". History of the Microscope. Introduction to cells. Cells form the parts of an organism and carry out all of its functions.. Cells are the basic units of structure and function in living things.. What are cells?. The structure of a living thing is determined by the amazing variety of ways its cells are put together.. Comparison of relative sizes of molecules, cell membrane thickness, viruses, bacteria, organelles and cells, using the appropriate SI unit.. Size . relationships. of biological and chemical. levels of organization are. Chapter 6: Cells. From Topic 1.1. Nature of science: Looking for trends and discrepancies—although most organisms conform to cell theory, there are exceptions (3.1).. Understandings:. • According to the cell theory, living organisms are composed of cells.. De Broglie and Schrodinger . Electron microscopes. Quantum Tunneling (microscopes). Matter Waves. Everything (photons, electrons, SMU students, planets, ..) . has a probability wave - . de Broglie. 1590. –first compound microscope. History of the Microscope. 1655 – . Robert Hooke. used a compound microscope to observe pores in . cork.. He called them . “cells”. History of the Microscope. تقنية الأجهزة . الكيموحيوية. . The microscope magnifies . the . images of objects that are invisible to the unaided human eye.. What is the Microscope ?. History of microscope. . Electron microscopy (EM) . is an electron beam which is focused into a small probe across the surface of a specimen . . The first electromagnetic lens was developed in 1926 by . Hans Busch. .. . Spontaneous Generation. The supposed production of living organisms from nonliving matter. Francisco . Redi. (1668) – Proposed flies were responsible for maggots in rotting meat. A Recipe For… A Mouse? . video (link on the website). http://www.youtube.com/watch?v=X-. w98KA8UqU. Warm up . Why would we want to use a microscope to see things? When would it be better to use a telescope or binoculars?. Week 12, Day One. Science. Learning intention. To know how microscopes have advanced over time and to be able to . compare the advantages and disadvantages of the different types of microscopes.. You will need. •  A pen and paper.. DENTAL COLLEGE, LATUR (MAHARASHTRA). DEPARTMENT OF ORAL PATHOLOGY CONDUCTING ONLINE COURSE. A Webinar on: Hidden eyes IN PATHOLOGY. 1. DEPARTMENT OF ORAL PATHOLOGY AND . MICROBIOLOGY.