Types of microscopes 3 slides

Nov 18, 2012

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New generation microscopes (1980s). Scanning probe microscopes (SPM)- sub-nanometre resolution eg proteins

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Types of microscopes 3 slides

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microscopes

Microscopes are almost identical to Keplerian telescopes, except for their objective lenses. ... The microscope objective lens must be very small and spherical, with a short ...

636 views • 16 slides

Microscopes

240 views • 10 slides

Types of Microscopes

Types of Microscopes. Types of Microscopes. Light Microscope: what we use in lab Uses light to magnify Used to look at living cells Magnify: up to 1500x Electron Microscope: (1930-1940) Uses beams of electrons Magnify: up to 500,000x See inside of cells, look at structures 2 types.

690 views • 10 slides

Different Types of Microscopes

Different Types of Microscopes. By Ryezah. Dissection Microscopes.

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Microscopes

Explore the world and space in detail with a selection of SGM

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Microscopes

Microscopes. THE DISCOVERY OF THE CELL. It was not until the mid-1600’s that scientists began to use microscopes to observe cells. In 1665, Englishman Robert Hooke used an early compound microscope to look at a slice of cork, plant material. CORK CELLS.

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Types of Microscopes

Types of Microscopes . Contents Compound Microscope Dissecting Microscope Transmission Electron Microscope Scanning Electron Microscope Bibliography. Compound Microscope. More on Compound Microscopes. Compound Microscope.

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MICROSCOPES

MICROSCOPES. The microscope is an instrument that allows us to see objects that are normally too small for the eye to see It was invented by Anton VanLeewenhoek in the 1600’s Robert Hooke was the 1 st to see cells. Types of Microscopes.

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Slides Cell Types

Slides Cell Types. Onion Cells. Elodea (100x, no iodine). Elodea (430x, no iodine). Cheek Cells. Red and White Blood Cells. Bacteria – Cocci (400x). Bacteria – Bacilli (400x). Bacteria – Spirillum (400x).

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Types of Microscopes

Types of Microscopes. Unit 3 – Powerpoint #1 Honors Biology 2012-2013. Light Microscopes. Use a beam of Light The specimen can be dead or alive. Simple Microscopes. Have only 1 lens Give two examples of a simple microscope:. Magnifying Glass Reading Glasses. Simple Microscope.

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Types of Microscopes

Types of Microscopes. Simple Microscope - contains only one lens. ex. magnifying glass Co mpound Light Microscope - a system of two lens that work together. El ectron Microscopes - uses electrons to provide detailed views of specimens ex. TEM and SEM

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MICROSCOPES

MICROSCOPES. Microscopes reveal the world of the cell : Advances in science often coincide with advances in tools and technology Use of the microscope led to development of the cell theory: - All living things are made of cells

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MICROSCOPES

MICROSCOPES. Naomi Kinjal Asaad Binoy. Microscopy. Magnification is the ratio of an object’s image size to the real size Resolution is a measure of the clarity of the image; it is the minimum distance two points can be separated and still distinguished as two points.

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Microscopes

Microscopes. A guide to use, general Maintenance, and repair tailored to the Olympus CX-21 microscope. Topics . Principles of Operation Diagrams Applications History Safety Operation Preventive Maintenance Common Failure Modes Basic Troubleshooting. Principles of Operation .

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Microscopes

Microscopes. A guide to use, general Maintenance, and repair tailored to the Olympus CX-21 microscope. Topics. Principles of Operation Diagrams Applications History Safety Operation Preventive Maintenance Common Failure Modes Basic Troubleshooting. Principles of Operation.

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Microscopes

Microscopes. Development of the microscope. Anton van Leeuwenhoek Father of Microbiology Made his own lenses (some as powerful as the microscopes we use in class) First person to see living microorganisms. Microscopes. Compound light microscope. Focuses light

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Microscopes

Microscopes. Development of the microscope. Anton van Leeuwenhoek Father of Microbiology Made his own lenses (some as powerful as the microscopes we use in class). Microscopes. Compound light microscope. Focuses light Uses combination of lenses Shines light through objects

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Microscopes

Microscopes. What is a Microscope?. A device for forming a magnified image of a small object. An optical instrument used for producing a magnified image of a small object. A device that allows a small object to be viewed under high magnification.

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MICROSCOPES

MICROSCOPES. Microscope comes from a Greek Word Mikro’s: Small, Skopein: To look / See An instrument which is used for viewing objects that are to small to be seen by a naked or unaided eye. HISTORY. Almost 1200 years ago microscopes were traced by Abbass Ibn Firanass

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Types of Electron Microscopes

Types of Electron Microscopes. Electron microscopes use a beam of electrons rather than visible light to illuminate the sample. They focus the electron beam using electromagnetic coils instead of glass lenses (as a light microscope does) because electrons can’t pass through glass.

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MICROSCOPES

MICROSCOPES. Microscopic Instruments differ in their lenses and the source of their illumination. Microscopes. All microscopes operate on the same basic principles Energy is projected toward an object (MO) Energy bounces off of the object and creates an impression on a sensing device

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MICROSCOPES

MICROSCOPES. STEREO COMPOUND LIGHT TRANSMISSION ELECTRON (TEM) SCANNING ELECTRON (SEM). IMPORTANT TERMS. RESOLUTION- the ability to distinguish small, close objects, or to see things clearly Human eye- sees 2 lines 1 mm apart at a distance of 5.15 m

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