'Electron microscope' diaporamas de présentation

DNA and Chromosomes

DNA and Chromosomes. DNA, Chromosome Centromere, telomere, replication origin Nucleosome, Chromatin, Histone: H1, H2A, H2B, H3, H4 Histone octamer, DNA packaging DNA binding proteins, Histone modifications. Lampbrush chromosomes (amphibian oocyte).

1.23k views • 75 slides

The Weirdness of Quantum Mechanics

The Weirdness of Quantum Mechanics. Dr. Neil Shenvi Department of Chemistry Yale University. Talk Outline. The history of quantum mechanics What is quantum mechanics? The postulates of quantum mechanics The weirdness of the postulates 3. Quantum weirdness in action

1.26k views • 64 slides

Microscopes & Stains

?. Microscopes & Stains. ????? ??????? ???????????. What is the Microscope ?. The microscope magnifies the images of objects that are invisible to the unaided human eye. History of microscope. Simple Glass Magnifiers. More than 500 years ago.

984 views • 39 slides

Electron Optics

Electron Optics. Transmission Electron Microscope Optical instrument in that it uses a lens to form an image Scanning Electron Microscope Not an optical instrument (no image forming lens) but uses electron optics. Probe forming-Signal detecting device. Electron Optics.

723 views • 38 slides

Lithography

Lithography. Lithography in the MEMS context is typically the transfer of a pattern to a photosensitive material by selective exposure to a radiation source such as light.

960 views • 37 slides

The Wonderful World of Hairs and Fibers

1.02k views • 35 slides

Electron Optics Basic Introduction

Electron Optics Basic Introduction. Bob Ashley 6-14-2013. Overview . Why electrons? Wavelength and visible light Effects of diffraction and resolution Lens design Defects and distortions Magnification. Electron Duality. Electrons have a particle and wave nature

428 views • 32 slides

Agriscience

RUMINANTS!. Agriscience. Anatomy. Process. Physiology. Development. Ruminant Digestion. Agriscience. Mammalian Digestive Systems. Agriscience. Monogastric Equine Ruminant. Monogastric (Simple Stomach). Agriscience. Humans, pigs, predators One compartment Glandular design.

422 views • 25 slides

Marisela Morales NIDA Intramural Research Program Cellular Neurobiology Branch Cellular Neurophysiology Section

Interactions Between Reward and Stress Systems. Marisela Morales NIDA Intramural Research Program Cellular Neurobiology Branch Cellular Neurophysiology Section. National Advisory Council on Drug Abuse. The Science of Drug Abuse & Addiction.

866 views • 24 slides

Scanning Electron Microscope

Scanning Electron Microscope. An introduction video: http://virtual.itg.uiuc.edu/training/EM_tutorial/. A short history. TEM constructed in 1931 Von Ardenne first STEM in 1938 by rastering the electron beam in a TEM Zworykin et al. 1942, first SEM for bulk samples

580 views • 24 slides

Microscopes

503 views • 23 slides

Tools of BioNerds

204 views • 20 slides

Microscopes

529 views • 15 slides

SEM microscope

SEM microscope. By: Doug, Holly & Oleg. Advantages Continuously variable magnification High resolution Depth of focus Elemental analysis attachments. Disadvantages Cost More knobs Vacuum Sample limitations. Scanning Electron Microscope vs. Optical Microscope.

777 views • 15 slides

Dielectric Resonance in Multi-phase Composites

Dielectric Resonance in Multi-phase Composites. Leader: S. M. Matitsine Members: K. M. Hock, L. Liu, A. Qing, X. Xu, K. N. Rozanov, A. N. Lagarkov, Y. B. Gan. To Increase Thickness. Typical sample. 10 mm/0.1 mm Cu Fibre in 0.5 mm Carbon Fibre. Background. v. ?. L. ?/n.

222 views • 14 slides

Day 2

Day 2. What's the main difference between a microscope and a telescope?. Microscopes allow us to see things that are tiny but nearby. Telescopes allow us to see things that are visible size but far away. Diversity of Life. 1. Relative Scale & Magnification. Contrasting Case Activity 2b

317 views • 13 slides

Magic Bullets

321 views • 11 slides

The Cell Theory

The Cell Theory. Hairy T-cell. What is it?. Accepted explanation of the relationship between cells and living things, 3 Part Theory. Part 1 of the Theory 1. All living things are made of cells. Part 2 of the Theory. 2. The cell is the basic structural and functional unit of life.

311 views • 11 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.

647 views • 10 slides

Self-reliance in water treatment: Providing safe drinking water to communities using charcoal filtration to remove pesti

Self-reliance in water treatment: Providing safe drinking water to communities using charcoal filtration to remove pesticides. Josh Kearns josh@aqsolutions.org www.aqsolutions.org. Pun Pun Farm. Chiang Mai. Bangkok. www.aqsolutions.org. organic gardening workshops. making adobe.

342 views • 8 slides