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Sildenafil is the active ingredient in Viagra tablets.Sildenafil was re crystallised in 10% alcohol and allowed to air dry, then adhered onto a SEM stub using double sided carbon adhesive discs, prior to viewing the sample was gold coated in an Emitech K550 Sputter Coater for 2 minutes at 20mA. The coated sample was then transferred into a FEI XL30 Scanning Electron Microscope and imaged at 10KV using a high tilt angle. High definition digital images were captured and imported into Photoshop for enhancing and colouring.
Courtesy of David McCarthy
Taken by Quanta SEM microscope
ZnO coated with Au, Pd
Courtesy of Dr. Aldona Nowicka , Maria Curie-Sklodowska University in Lublin
Dehydrated and sputtered with Au/Pd Prepared by Claudia Mayrhofer Coloured by Margit Wallner
Courtesy of Angelika Reichmann
ILLITE CLAY IN PORES OF SEDIMENTARY ROCKS
Courtesy of Eduardo Palacios
Taken by DualBeam microscope
Dentinal tubules viewed after demineralization using etching with 37% phosphoric acid for 15 seconds and 10% sodium hypochlorite for 1 minute.
Courtesy of FRANCISCO RANGEL
charging around a tungsten wire
Courtesy of Martina Dienstleder
Polyimide Removal on a Package
Courtesy of FEI
Taken by Vion Plasma microscope
Image shows Gallium Microsphere grown by MOCVD (metalorganic chemical vapor deposition) with a fractal type deposit, possibly a carbon nanomembrane, on its surface. Part of the structure takes a conical shape, connecting the particle to the substrate. Courtesy of Dr. Marco Antonio Sacilotti (UFPE/DF) who is co-author of the image and responsible for this scientific research.
Courtesy of Mr. FRANCISCO RANGEL , MCTI/INT
Dendritic cells stimulated with adjuvant silicon microparticles interact with T cells.
Courtesy of Rita Serda
Taken by Nova NanoSEM microscope
two crystals linked together
Courtesy of Dr. massimo tonelli , University of Modena
Structure of diatom cell
Courtesy of Ekaterina Nikitina
Reconstitution of a membrane protein into liposomes
Courtesy of Jennifer Wingard
Taken by Tecnai microscope
This is an image of the surface of a cactus spine.
Courtesy of Dr. Xin Zhang , Simon Fraser University
Taken by Helios NanoLab microscope
Eutectoid decomposition of austenite to ferrite and cementite (Fe3C)
Courtesy of Gilberto Del Rosario
Part of integrated curcuit http://npimport.ru
Courtesy of Ms. Marina Frolova , JSC Nanopromimport
Taken by Inspect microscope
A toy guitar's rope
Courtesy of Dr. Maria Carbajo , UNIVERSIDAD DE EXTREMADURA
Taken by Quanta 3D microscope
Sample of gasoline residue
Courtesy of Vanessa Colombini
Secondary electron image of tartrate crystals, sometimes called wine diamonds found on the bottom of a red wine cork. Chemically these crystals are known as potassium bitartrate. They’re formed when tartaric acid, a natural component found in grapes, binds with potassium under cold conditions to form a crystalline salt. (Image collected by Darlene McAllister.)
Courtesy of Ashley Moore
Several erythrocytes on the surface of collagen fibres in the eye
Courtesy of Natalia Shevlyagina
ZnO micro-flowers obtained by hydrothermal synthesis using microwave heating.
The in vivo interaction between a wild type P. aeruginosa biofilm, on a silicone implant, and the responding polymorphonuclear leukocytes. SEM visualization depicts the interaction at day 1 post insertion of the implant in peritoneal cavity of a mouse. The leukocytes (yellow) are killed by the bacteria (cyan), as seen from their damaged appearance, with obvious cavities in the membrane, after contact with the WT biofilm.
Courtesy of Michael Larsen
Mesoporous Silica - Uncoated mesoporous silica (SBA-15) imaged at very high magnification with 800eV landing energy and 3pA beam current, to reveal the pore structure with minimum beam damage and charging. Product: Helios NanoLab DualBeam
SEM top view of a Platinum oxide film deposited by atomic layer deposition. PtO2 transforms locally to metallic Platinum. The Pt-area extends each cycle of the ALD process concentrically.
Courtesy of Adrie Mackus
corrosion in nano scale of copper crystals faces
Courtesy of wadah mahmoud
Short circuit causing dendrites.
Courtesy of Mr. Daniel Rigler , Budapest University of Technology and Economics