The Microscope FEDERICO G. PINEDA M. Sc. Associate Professor III Department of Biological Sciences‚ College of Arts and Sciences Central Luzon State University‚ Science city of Muñoz‚ Nueva Ecija The History • Many people experimented with making microscopes • Was the microscope originally made by accident? (Most people were creating telescopes) • The first microscope was 6 feet long!!! • The Greeks & Romans used “lenses” to magnify objects over 1000 years ago. The History
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living maggots. The advancement of technology in the 1660’s and notably by Hooke through the microscope helps disprove traditional understanding of cell theory. The new theory states that information about cells‚ found in DNA are passed on from cell division. This understanding in the modern cell theory can be supported by the new understanding to the example already outlined. As the new technological microscopes became into use scientist were able to see the eggs of the flies passed on through cell division
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CH3041 Chemical Engineering Unit Operations II Lau Wai Man‚ Raymond Jiang Rongrong Office: N1.2-B2-32 Office: N1.2-B1-08 Phone: 6316 8830 Phone: 6514 1055 Email: wmlau@ntu.edu.sg Email: rrjiang@ntu.edu.sg Course Outline • Particulate Technology – Particle size analysis – Packed bed – Gas-solid fluidized bed – Gas-liquid-solid fluidized bed • Filtration • Crystallization • Drying Covered by Prof. Jiang Rongrong Grading • Continuous Assessment – 30% Quizzes • Exam – 70% Final
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Review Questions 1. What is a comparison microscope? What are the advantages of this microscope? A comparison microscope combines two microscopes into one module. This helps the viewer see what is under each of the lenses at the same time. 2. What are the three substances that generally make up paint? Describe each part. The three substances that make up paint are pigments‚ binders‚ and a solvent. Pigments includes both organic and nonorganic compounds and materials that are added to the other
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Module Twelve: Text Questions Review Questions 1. What is a comparison microscope? What are the advantages of this microscope? A comparison microscope is a microscope that has 2 lenses that can magnify up to 1‚5oox. An advantage is that it able to magnify items more than regular comon microscopes. 2. What are the three substances that generally make up paint? Describe each part. Pigments- organic and nonorganic compounds & materials added to paint to produce a color. Binders-
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prototypical strain in the genus. Noroviruses cause an estimated 20% of all viral gastroenteritis cases in persons older than 24 months. (1). Norwalk virus was first associated with gastroenteritis in 1972. It was identified by electron microscopy of stool samples that had been saved from a 1968 gastroenteritis epidemic that occurred in Norwalk‚ Ohio.(2) In a 2-day period‚ acute gastroenteritis developed in 50% of 232 students or teachers in an elementary school.(2) The virus initially
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these questions. Challenge yourself to answer in as much detail as possible! This study guide was formed in part by previous 213 LA’s. Chapter 5: What is cell theory? Identify the different types of microscopy. How are they similar‚ different‚ and how does light enhance or hinder various types of microscopy? Why is surface-area-to-volume ratio important for a cell? List the differences between prokaryotic and eukaryotic cells (general structure‚ organelles‚ genetic material‚ etc.). What cellular processes
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Microscope * Head/Body houses the optical parts in the upper part of the microscope * Base of the microscope supports the microscope and houses the illuminator * Arm connects to the base and supports the microscope head. It is also used to carry the microscope. * Eyepiece or Ocular is what you look through at the top of the microscope. Typically‚ standard eyepieces have a magnifying power of 10x. Optional eyepieces of varying powers are available‚ typically from 5x-30x. * Eyepiece
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or a few molecules. The surface metallic molecules can either be chemisorbed or physisorbed‚ resulting from van der Waals force. The electrical properties of the molecules can be determined by testbeds‚ scanning tunneling microscopy (STM)‚ conducting probe atomic force microscopy‚ STM break junctions and mechanical break junctions. But for now these still cannot provide an opportunity to prepare a working MED that could be used in applied set-ups. There are some considerable variations in measurements
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Review Questions 1. What is a comparison microscope? What are the advantages of this microscope? A comparison Microscope is 2 microscopes in one it allows you to view 2 slides at once. This is a huge advantage because it allows you to compare evidence with known sample. 2. What are the three substances that generally make up paint? Describe each part. The three substances that generally make up paint are Pigments‚ Binders and Solvent. Pigments are what produce a particular color of
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