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SEM

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FIB

Dracocephalum Nectary

Dracocephalum nectary, critical point dried, coated with Pd/Au

Courtesy of Mr. Michał Rawski , Jagiellonian University

Taken by Quanta 3D microscope

Magnification: 75x
Sample: plant tissue
Detector: ETD SE
Voltage: 2 kV
Vacuum: 4.19e-4 Pa
Horizontal Field Width: 1.99 mm
Working Distance: 10.0
Spot: 4.5

Silicon (Si)

Silicon (Si)

Courtesy of Maksim Kalienko

Taken by Quanta 3D microscope

Magnification: 6000x
Detector: BSE
Voltage: 30 kV
Horizontal Field Width: 5 μm
Working Distance: 10.9 mm

Zeolites

Zeolites.

Courtesy of FRANCISCO RANGEL

Taken by Quanta SEM microscope

Magnification: 2331X
Detector: SE
Voltage: 10 kV
Vacuum: 1.09e-6 torr
Horizontal Field Width: 128 μm
Working Distance: 29.6 mm
Spot: 4.0 nA

Tricomes on Squash leaf surface_3

Tricomes on Squash leaf surface Order: Cucurbitales Family: Cucurbitaceae Genus_species: Cucurbita maxima Scanning electron microscope image of squash leaf tip area

Courtesy of Louisa Howard

Taken by Quanta SEM microscope

Magnification: 100
Sample: botanical_leaf
Detector: SE
Voltage: 15kV
Working Distance: 15.6
Spot: 3.0

Nanoplankton Calcareous Nannoplankton

The rainbow creatures shown here are a species called calcareous nannoplankton. In the past as ocean acidity increased, the skeletons of some species became malformed, other species shrank in size, and others died out altogether. The intelligent design behind the species portrayed here is that it modifies and protects itself with a calcium shell during periods of high CO2 atmospheric content that lead to ocean acidification. Each creature is approximately 2 microns.

Courtesy of Gerald Poirier

Taken by Quanta SEM microscope

Sample: Nanoplankton
Detector: LFD
Voltage: 15Kev
Vacuum: .83 Torr
Horizontal Field Width: 40 μm
Working Distance: 10mm
Spot: 3

ZnO Nanowire Cross Section

ZnO nanowire bundle in cross section, prepared by Helios FIB. ZnO supplied by Kathy Han from Oregon State University. Imaging and FIB work performed by Jeff Ditto at CAMCOR (University of Oregon).

Courtesy of Kurt Langworthy

Taken by Helios NanoLab microscope

Magnification: 20000x
Detector: TLD
Voltage: 2. kV
Horizontal Field Width: 5 μm
Working Distance: 4.0 mm

ZnMnO nanoparticle (front)

ZnMnO nanoparticle of view from the front, these nanoparticles are able to trap air pollutants

Courtesy of Dr. Irma Estrada , Instituto Politecnico Nacional

Taken by Quanta 3D microscope

Magnification: 12 000 x
Sample: gold
Detector: SE
Voltage: 10.0 kV
Vacuum: .3 mbar
Horizontal Field Width: 10.7
Working Distance: 4.0
Spot: 3.0

Silver Clusters - Invisible Worlds

Silver clusters deposited by thermal evaporation onto self-assembled polystyrene nano-spheres (900 nm). Inspect F SEM FEG @ Nanofacility Piemonte INRIM. Self-assembled polystyrene nanospheres are used as masks for thin films and materials nanostructuration on large area. Maybe the subject doesn't match the topics of this year, but surely the title fits.

Courtesy of Luca Boarino

Taken by Inspect microscope

Magnification: 50000x
Sample: Polystyrene and Silver on silicon wafer
Detector: SE
Voltage: 2 kV
Vacuum: .2 mbar
Horizontal Field Width: 2 µm
Working Distance: 10.2
Spot: 3

Pyramidal Crystals

The image shows a crystal growth of Sn-Cu oxides, such crystals have a pyramidal form

Courtesy of NAYELY PINEDA

Taken by Nova NanoSEM microscope

Magnification: 20,000
Sample: Pyramidal Crystals
Detector: Helix
Voltage: 15 kV
Vacuum: Low Vaccum 1mbar
Horizontal Field Width: 5 micras
Working Distance: 4.9
Spot: 5.0

Mesangial cell

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Courtesy of Mr. sathish - , Christian medical collage.vellore (CMC)

Taken by Tecnai microscope

Magnification: 4200 x
Sample: Tissue
Detector: ccd
Voltage: 120 kv
Vacuum: 5 mbar
Horizontal Field Width: 3.42 μm
Working Distance: 4.0
Spot: 1.0

Arabidopsis leaf

This Arabidopsis leaf was taken from a seedling grown in total darkness. Note the crystalline prolamellar bodies within the etioplasts.

Courtesy of Ms. Pat Kysar , University of California, Davis

Taken by TEM microscope

Titanium Oxide

thin film of titanium oxide

Courtesy of Liz Dagostino

Taken by Quanta SEM microscope

Magnification: 20,000x
Sample: thin film of titanium oxide
Detector: SE
Voltage: 30 kV
Horizontal Field Width: 14.92 μm
Working Distance: 10.0 mm
Spot: 1.5 nA

Crystal Ball

Zinc Oxide Crystals on carbon tape

Courtesy of Mrs. DUYGU OGUZ KILIC , Izmir Institute of Technology- Center for Materials Research

Taken by Quanta SEM microscope

Magnification: 50000x
Sample: Zinc Oxide
Detector: SE
Voltage: 5 kV
Vacuum: 2.5 e-4 Pa
Working Distance: 10.4mm
Spot: 3

Water droplets on sandstone

Water droplets condensed on to sandstone, to perform wettability test of a reservoir rock. Temperature 5 degrees centigrade. Work undertaken at the Institute of Petroleum Engineering, Heriot-Watt University, Scotland.

Courtesy of Dr. Jim Buckman , Heriot-Watt University

Taken by SEM microscope

Sample: sandstone
Detector: GSE
Voltage: 20 kV
Vacuum: ESEM mode 6.8 Torr
Horizontal Field Width: approx 200 microns
Working Distance: 9.5 mm
Spot: 5.2

Galvanized Sheet Steel

Corrosion product into a galvanized sheet steel after corrosion testing simulating corrosive marine environment. Zinc corrosion products include oxide, hydroxides, carbonates and other salts.

Courtesy of Mr. FRANCISCO RANGEL , MCTI/INT

Taken by Quanta SEM microscope

Magnification: 800x
Sample: Galvanized Sheet Steel
Detector: LFD
Voltage: 20 kV
Vacuum: 130 Pa
Horizontal Field Width: 373 μm
Working Distance: 14.9
Spot: 3.0

Asbestos Crocidolite fiber

Asbestos Crocidolite fiber imaged in 30 kV STEM bright field mode, at very high magnification. The lattice places with spacing 0.9 nm are clearly visible Product: Verios SEM

Taken by Verios XHR SEM microscope

Torilis Arensis

Torilis arvensis is commonly known as Spreading Hedge Parsley. The plants grow up to 3 feet in height with tiny flowers clustered in small flat-topped umbels. T. arvensis fruit (schizocarp) measure 4-6mm and usually hold 2-4 individual seeds (mericarps). The schizocarp is covered with velco-like appendages which attach to clothing and fur allowing them to hitch a ride to new terrain.  This sample was air dried, mounted onto an aluminum stub and sputter coated with gold.  It was viewed on a Philips XL30 TMP SEM at 20 kV in the EM Lab of the Department of Pathology and Laboratory Medicine at UCDavis. The image was colorized using Adobe PhotoShop Elements 2.0 software. The image shows one of the seeds within the schizocarp and affords a better appreciation for their cunning hitch-hiking techniques. Note the various velco-like appendages. The more "thorny" limbs (tan) are found on the schizocarp while the blunt appendages are part of the mericarp. Pollen (yellow) can be seen on the flower surfaces (pink).

Courtesy of Pat Kysar

Taken by SEM microscope

Magnification: 400x
Sample: Torilis Arensis
Detector: SE
Working Distance: 30
Spot: 3

Enterococcus faecalis community

Enterococcus faecalis colonizing dentin surface Thanks Francisco Rangel - CENANO/INT

Courtesy of Ms. Thaís Silva , Instituto Nacional de Tecnologia

Taken by Quanta SEM microscope

Magnification: 20.000x
Sample: Teeth
Detector: GSED
Voltage: 10
Horizontal Field Width: 14.9
Working Distance: 9.8 mm
Spot: 2.0

Inverted Clementine Heart

Image of Clementine orange peel; courtesy of student Kristen O'Neill.

Courtesy of Alyssa Calabro

Taken by Quanta 3D microscope

Silver micro streams

Silver micro streams on crystalline silicon substrate obtained after dry etching of a thin silver film.

Courtesy of Tomas Tamulevicius

Taken by Quanta SEM microscope

Magnification: 5,000x
Sample: dry etched thing silver film on silicon
Detector: SE-ETD
Voltage: 30 kV
Vacuum: High vacuum
Horizontal Field Width: 51.2 um
Working Distance: 8.6mm
Spot: 3.5

Si dumbbell

HRTEM image of Si dubbells performed in the TecnaiST20 (LaB6)

Courtesy of Mr. Erico Freitas , Centro de Microscopia/Universidade Federal de Minas Gerais

Taken by Tecnai microscope

Magnification: 1,050,000x
Sample: Silicon
Detector: Eagle CCD camera
Voltage: 200 kV
Spot: 1

Influenza Virus under EM

Influenza A virus sample taken via FEI Tecnai TF20, liquid ethane plunge frozen.

Courtesy of Mr. Long Gui , University of Washington

Taken by Tecnai microscope

Magnification: 11,500X
Sample: influenza A virus
Detector: CCD
Voltage: 200 kV
Vacuum: 6 mbar
Horizontal Field Width: 2.00
Working Distance: 4.0
Spot: 3.0

Dracocephalum nectary

Dracocephalum nectary, critical point dried, coated with Au/Pd

Courtesy of Mr. Michał Rawski , Jagiellonian University

Taken by Quanta 3D microscope

Magnification: 100x
Sample: plant tissue
Detector: ETD
Voltage: 2 kV
Vacuum: 5.87e-4 Pa
Horizontal Field Width: 1.49 mm
Working Distance: 9.8
Spot: 4.5

Magnetic field of earth perturbed by a sun storm

The picture was taken after the growth by CVD of silicon nanowires on a copper foil with gold on top. When I saw it I remembered the perturbation caused by sun storms on magnetic field of the earth. These nanowires will be used to manufacture anodes of ion-Li batteries.

Courtesy of Isidoro Ignacio Poveda Barriga

Taken by SEM microscope

Magnification: 20,000x
Sample: Cu, Au, silicon nanowires
Detector: SE
Voltage: 10 kV
Working Distance: 5,2

Carbon and Oxygen Particles

Detail of lacey, soot combustion agglomerate with 50-150 nm primary particles composed primarily of carbon and oxygen, collected with UNC passive air sampler in agricultural region.

Courtesy of Jeff Wagner

Taken by Quanta SEM microscope

Magnification: 9,974x
Sample: Airborne particulate matter from rural air
Detector: SE
Voltage: 20 kV
Horizontal Field Width: 5μm
Working Distance: 10.0 mm