PPT-the Microscope Types of Microscopes

Compound microscope Dissecting microscope Scanning electron microscope SEM Transmission electron microscope TEM The compound microscope A microscope It is a tool that is used to study things . Microscopes are delicate and expensive instruments they should be handled with utmost care Before you use the microscope your instructor will explain its proper use Following are rule s that will protect the microscope and insure that you can make m We always offer our customers the best quality for the lowest price. We pride ourselves on providing high quality products, unbeatable low prices, huge selections, and personalized customer service. Basics. By: Kaitlyn Schroeder; ETEAMS 2014. Modified from . Trimpe. . 2005 http://sciencespot.net/. 1. Microscope Basics . Uncover the microscope in front of you and follow along with the lecture. . Forensic Scientists. Forensic scientists help resolve legal matters through scientific research, analysis and experimentation. . This often involves using microscopes to examine blood and other biological samples, specks of fiber and other materials found at crime scenes and even handwriting.. 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.. Optical Microscope. [photograph]. . Retrieved from https://. commons.wikimedia.org. /wiki/File:Optical_microscope_nikon_alphaphot_+.jpg. Microscopes:. Microscopes are some of the most commonly used pieces of lab equipment. How does science progress?. A clue . …. T. hink about these words by Newton:. “. If I have seen further, it is because I have stood on the shoulders of giants. .”. What is Newton really saying?. 1. When moving your microscope, always carry it with both hands. Grasp the arm with one hand and place the other hand under the base for support.. How To Use a Microscope. 2. Turn the revolving nosepiece so that the lowest power objective lens is clicked into position (This is the shortest objective lens).. . 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. .. . Introduction The applications of microscopy in the forensic sciences are almost limitless. This is due in large measure to the ability of microscopes to detect, resolve and image the smallest items o DEPARTMENT OF MICROBIOLOGY MTN COLLEGE MADURAI. Definition :  An optical instrument that uses a lens or a combination of lenses to produce magnified images of small objects  especially of obje Biology I Honors. Which statement BEST describes a similarity between phase contrast microscopes and scanning electron microscopes?. A. Both use electrons to produce images of microscopic organisms.. 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..