View allAll Photos Tagged lifescience
This scanning electron microscope image depicts a porous silicon (pSi) microparticle being recognized by the filopodia of a macrophage cell, the first step of phagocytosis. These pSi microparticles are strategically engineered to overcome the biological barriers of the body and accumulate at diseased vasculature exploiting their unique shape that facilitates their interaction with the blood vessel. These microparticles can be further engineered to shuttle nanoparticles to sites of disease, decoupling the multiple tasks typically required of a traditional nanoparticle. This multi-step approach allows for increased accumulation of nanoparticles at the target site.
Courtesy of Mr. Michael Evangelopoulos , Houston Methodist Research Institute
Image Details
Instrument used: Nova NanoSEM
Detail of the pollen grain surface of Piptolepis sp., showing subechinolofate ornamentation (spines on walls, disorganized, do not form well defined gaps), densely perforated, conical spines, perforated only in the base.
The pollen morphology is very important for the classification of Asteracea groups, which includes sunflowers, lettuces, chamomile, chicory, artichoke and several species with pharmacological potential such as “carqueja” (Baccharis L.) and “guaco” (Mikania glomerata Spreng), both Brazilian tea medicines, besides the ornamental usage.
This image is part of a study that deals with the morphology of the pollen grains of the subtribe Lycnophorineae, belonging to Asteraceae group. The objective of this work is to find new morphological characteristics that are able to delimit the species and genera of these plants, as well as to infer a probable pattern of evolution within the subtribe Lycnophorineae. This study was developed by the researcher Raquel Maria Batista Souza de Souza at the Laboratory of Palinology of the National Museum of UFRJ, which after the fire had its continuity hampered by the loss of its scanning electron microscope. With the support of the National Institute of Technology (INT), this image was obtained by the researcher Carla Ramos Moreira in the Dual Beam Helios Nanolab of this Institute.
Courtesy of Dr. Carla Moreira , INT
Image Details
Instrument used: Helios NanoLab
Magnification: 12,000
Vacuum: High
Voltage: 5
Spot: 43 pA
Working Distance: 3.9
Detector: SE
This plum tree is made out of calcium phosphate platelets that have been grown in solution. The octagonal shapes are actually silicon containing impurities found in the sample.
Courtesy of Ms. Kseniya Shuturminska , Queen Mary University of London
Image Details
Instrument used: Inspect
Magnification: 25000x
Horizontal Field Width: 12 microns
Voltage: 5 kV
Spot: 2.5
Working Distance: 10
Detector: SE
polymer sphere by emulsion technique
polymethylacerlate
Courtesy of Ms. rula al buqain , university of jordan
Image Details
Instrument used: Versa 3D
Drosera spatulata, a carnivorous plant. An ant was captured, and the trichome morphology changed. The image was gotten by a cryo SEM.
Courtesy of Dr. Wann-neng Jane , Institute of Plant and Microbial Biology, Academia Sinica
Image Details
Instrument used: Quanta SEM
Magnification: 100x
Vacuum: High vacuum
Voltage: 20kV
Spot: 3.0
Working Distance: 1.0
Detector: SE
Author: N. H. Jacob
Date: 1834 ca.
Description: Coupe de l’encéphale sur le plan médian. Le crâne a été scié verticalement dans toutes sa hauteure sur le plan median, de manière à montrer la face interne de l’émisphère cérébral droit dans toute son étendue. Dessiné d’après nature par N. H. Jacob.
Technique: Lithographic drawing
Source: Traité complet de l'anatomie de l'homme comprenant la médecine opératoire / par le Dr Bourgery ; avec planches lithographiées d'après nature par N.H. Jacob. - Paris : C.A. Delaunay, 1834. - 8 Vol. : il. ; 45 cm. - I-V. Anatomie descriptive ou physiologique ; VI-VII. Iconographie d'anatomie chirurgicale et de médecine opératoire ; VIII. Embryogénie, anatomie philosophique et anatomie microscopique. Faculty of Medicine's Library (IA/RES 354 C, Table 27).
Image and caption provided by: Silvia Di Marco and Pedro Bidarra Silva, FCUL
The Leg of a Ant- mimiking spider has a small claw and lots of brush- like hair that adhere on flat surfaces (Van-der-Waals-force)
Courtesy of Mr. Oliver Meckes , eye of science
Image Details
Instrument used: Quanta SEM
Magnification: 400x
Vacuum: high vac
Voltage: 7kv
Spot: 3
Working Distance: app 10mm
Detector: SE, BSE, BSE
We were interested in how the plant would look like, especially the trichoms and glandular hairs. Now this is what we found!
Courtesy of Mrs. Nicole Ottawa , eye of science
Image Details
Instrument used: Q250 SEM
Magnification: 200x
Horizontal Field Width: 750 µm
Vacuum: high
Voltage: 7 kV
Spot: 3
Working Distance: 9,7 mm
Detector: SE, BSE, BSE
colorized tin ball
Courtesy of Mr. Mucciolo Antonio
Image Details
Instrument used: Quanta SEM
Magnification: 2999
Horizontal Field Width: 42.4
Vacuum: High Vacuum
Voltage: 30kV
Spot: 7
Working Distance: 9.4mm
Detector: SE
Seriously. Look at those front feet! What a guy he is! Handsome, fuzzy, sometimes full of purrs, sometimes out of sorts for having to share with our senior adult cat, or the new kittens. Mellow out, maan. When he does, he's a complete treasure. We're working it.
Cupressus sempervirens pollen on flower.
Courtesy of Dr. Riccardo Antonelli
Image Details
Instrument used: Quanta SEM
Magnification: 2100x
Horizontal Field Width: 142 μm
Voltage: 10.0 kV
Spot: 4.0
Working Distance: 12.1 mm
Detector: ETD
Rice weevil (Sitophilus oryzae): detail of the rostrum.
Courtesy of Dr. Riccardo Antonelli , Department of Agriculture, Food and Environment, Pisa University
Image Details
Instrument used: Quanta SEM
Magnification: 1,200x
Horizontal Field Width: 249 μm
Vacuum: High Vacuum
Voltage: 7.50 kV
Spot: 4.0
Working Distance: 6.3 mm
Detector: ETD
The image depicts the interaction between a brain cell known as astrocyte (shown in blue) and a synthetic material (shown in green) that mimics the extracellular environment. The material made of peptides and DNA forms fibrous bundles (highlighted in yellow) that are similar to the ones present in the spinal cord when an injury occurs. The architecture of the synthetic matrix triggers the cell to become reactive as evident by its morphology.
Nature Communications, July 2017, www.nature.com/articles/ncomms15982
Courtesy of Dr. Mark McClendon , Northwestern University
Image Details
Instrument used: Quanta SEM
Magnification: 5,200X
Horizontal Field Width: 30um
Vacuum: 1 e-3Pa
Voltage: 3kV
Spot: 3
Working Distance: 10
Detector: SE
This is a part from a leave of Melissa officinalis. We were interested in the glandular hairs, here in yellow colours.
Each type of plant seems to have its own sort of glandular hairs!
Courtesy of Mrs. Nicole Ottawa , eye of science
Image Details
Instrument used: Q250 SEM
Magnification: 550x
Horizontal Field Width: 272µm
Vacuum: high
Voltage: 7 kV
Spot: 3
Working Distance: 9,7 mm
Detector: SE, BSE, BSE
debris of pollution entrapped in a bee's hair
Courtesy of Dr. Antonietta Gatti
Image Details
Instrument used: Quanta SEM
Magnification: 4000
Horizontal Field Width: 74.60
Vacuum: 0.60Torr
Voltage: 30kV
Spot: 3.8
Working Distance: 9.6
Detector: BSE
Human Kidney cell- Podocytic inclusion changes in glomerlus
Courtesy of Mrs. Bascal Rita , Christian medical collage.vellore (CMC)
Image Details
Instrument used: Tecnai
Magnification: 9900x
Horizontal Field Width: 3.62
Vacuum: 4 mbar
Voltage: 60 kv
Spot: 1.0
Working Distance: 4.5
Detector: CCD
Trichome in the leaf margin of Arabidopsis thaliana.
Courtesy of Dr. Wann-neng Jane , Institute of Plant and Microbial Biology, Academia Sinica
Image Details
Instrument used: Quanta SEM
Magnification: 1200x
Vacuum: high vacuum
Voltage: 20kV
Spot: 3.0
Working Distance: 10mm
Detector: SE
Big Island of Hawaii, north-east corner, near Waimea. When you stop to look at a map, there are far more than the 3 "big" volcanos on Big Island. I'm tempted to say this is a very 3D "meadow" but I suspect the actual grass we see was deliberately introduced for cattle farming, so not wild. But it is grass...
Parasites (pink) located in water fowl sperm duct.
Courtesy of Ms. Pat Kysar , University of California, Davis
Image Details
Instrument used: Other FEI SEM (XL SEM, Sirion, etc.)
Magnification: 350x
Horizontal Field Width: 350um
Voltage: 20kV
Working Distance: 8.9
Detector: SE
Hela Cell line infected with Salmonella typhimurium bacteria
Courtesy of Mrs. Bascal Rita , Christian medical collage.vellore (CMC)
Image Details
Instrument used: Tecnai
Magnification: 9900x
Horizontal Field Width: 3.62
Vacuum: 4 mbar
Voltage: 60 kv
Spot: 1.0
Working Distance: 4.5
Detector: CCD
Mural in the Life Sciences Building
I like the rat with the big brain, upper right. Enlarge, for greater definition.
I have passed this building on my morning walk many times without ever trying to enter. (Many of the campus buildings are closed except to those with a key.) Today I realized that this one is open, and I went in for a short walk around. This mural is in the entry lobby.
Author: Joseph Maclise
Date: 1844
Description: n/a
Technique: Lithographic drawing
Source: The anatomy of the arteries of the human body : and its application to pathology and operative surgery, with a series of lithographic drawings / by Richard Quain ; the drawings from nature and on stone by Joseph Maclise. - London : printed for Taylor and Walton, 1844. -Vol. : il. ; 70 cm. - Sem o vol. de texto. - Atlas com 87 litografias, algumas coloridas. Faculty of Medicine's Library (IA/RES 494, Table 9).
Image and caption provided by: Silvia Di Marco and Pedro Bidarra Silva, FCUL
Here is Mr. Dill sitting on the spare bed in the office, beautiful to look at, with his white back feet all tucked away and his beautiful black fur setting off his white front toes, ruff and lower jaw. He's very easy on the eyes, and has a very intense expression. Also sleek and silky and very nice to pet.
Now both of us are going to bed!
I like “autumn, because its tone is mellower, its colours are richer, and it is tinged with a little sorrow. Its golden richness speaks not of the innocence of spring, nor the power of summer, but of the mellowness and kindly wisdom of approaching age. It knows the limitations of life and its content.”
( Lin Yutang )
Dandelion Pollen Grain
By Mokhalad Sattar
Courtesy of Mr. mokhalad sattar
Image Details
Instrument used: Inspect
Magnification: 746x
Horizontal Field Width: 400 μm
Voltage: 30 kV
Spot: 5.0
Working Distance: 12.4
Detector: SE
Author: N. H. Jacob
Date: 1834 ca.
Description: Nerfs de la main. Nerfs cutanés de la main, plan postérieur. Dessiné d’après nature par N. H. Jacob.
Technique: Lithographic drawing
Source: Traité complet de l'anatomie de l'homme comprenant la médecine opératoire / par le Dr Bourgery ; avec planches lithographiées d'après nature par N.H. Jacob. - Paris : C.A. Delaunay, 1834. - 8 Vol. : il. ; 45 cm. - I-V. Anatomie descriptive ou physiologique ; VI-VII. Iconographie d'anatomie chirurgicale et de médecine opératoire ; VIII. Embryogénie, anatomie philosophique et anatomie microscopique. Faculty of Medicine's Library (IA/RES 354 C, Table 60).
Image and caption provided by: Silvia Di Marco and Pedro Bidarra Silva, FCUL
Fibres made by electrospinning.
The aim was to create biocompatible polymer gel scaffolds to substitute the ECM (extracellular matrix). It was made from PASP (poly(asparatic acid)) modified to PSI (poly(succinimide)) and was drawn by electrospinning. It is a very effective procedure to make very thin, (some) hundred nanometer scale fibres by using electric force to draw charged threads of polymer solutions in order to make tissue alike structure. PSI is a biodegradable and it is promising for regenerative medicine and tissue engineering.
Courtesy of Mr. Abel Major , MTA KOKI, IEM HAS
Image Details
Instrument used: Apreo
Magnification: 5000x
Vacuum: High vacuum
Voltage: 2 kV
Spot: 13 pA
Working Distance: 4,03 mm
Detector: T1
Nosocomial infections are defined as infections that are neither present nor incubating at the time of hospital admission. As patients continuously shed infectious bacteria in the hospital environment and health professionals are in constant contact with these patients, there is a need to promote a scrupulous hand washing. Also, the fact that lab coats could be contaminated by and transport viable pathogens suggests the need for further research.
Picture shows hidden pathogenic bacteria among cotton fibers of a white lab coat used by health care workers.
Courtesy of Dr. JOSE RAMOS VIVAS , IDIVAL
Image Details
Instrument used: Inspect
Magnification: 4,000x
Horizontal Field Width: 84.6 um
Voltage: 15
Spot: 3.5
Working Distance: 8.2 mm
Detector: ETD
Antimony sulphide(Sb2S3) is made by hydrothermal process by using Antimony chloride and Ammonium sulphide. It is being used in solar cell, batteries, photodegradation and water purification.
Courtesy of Mr. Nishant Kumar , Natinal Institute of Technology, Rourkela, India
Image Details
Instrument used: Nova NanoSEM
Magnification: 10,000x
Horizontal Field Width: 5.00μm
Vacuum: 0.00003mbar
Voltage: 10kV
Spot: 3.0
Working Distance: 4.7
Detector: SE
Gelatin dissolved in NaCl dried in vacuum oven
Courtesy of Ms. rula al buqain , university of jordan
Image Details
Instrument used: Versa 3D
Poor little guy. There's something dark and matted below the right side of his mouth..., and there's more of the same on his head, between left ear and eye. After effects from someone/something trying to bite his head? He ought to retire.
And some other damage is finishing up below the outer edge of his left ear, looks like pink scar tissue closing up a vertical slash... could someone have sewn him back together? Guessing not. I'd love to get him the shots, get him fixed and keep him out of the rain somehow... Let the boo-boos on his nose all heal and whatever it takes to take down the pinkish cast around his eyes.... He can give himself a bath, I don't need the agro. Doesn't cost anything to "want", I suppose.
Its idle to imagine bathing and combing him, dressing his wounds. Scritching his ears so he falls asleep on me. Lovely aspirations, but far beyond unlikely.
If I won the lottery I'd buy a nice wooden shed, with a second door and short hallway like an airlock, inside it or outside it, so I could positively get in and out without letting him out or anyone else in. Park it in the back yard, away from houses, with windows in places he could see out of, but blank walls too, for comfort and security. Screened vents for the outdoor air, and something heated to sleep on. Shelves for exploring cats on the walls, and a real floor so he can'd dig out. Maybe some climbing stuff outside for visitors too.
He's really be retired and not on anyone's menu. I will try to trap him again.
The wing of a moscito has scales, similar to the ones of a butterfly.
Magnification 750x when 15cms wide.
Courtesy of Mr. Oliver Meckes , eye of science
Image Details
Instrument used: Q250 SEM
Magnification: 750x
Horizontal Field Width: 200µm
Vacuum: High
Voltage: 10kV
Spot: 3
Working Distance: 9,7
Detector: SE, BSE, BSE
Sitophilus zeamais: abdominal sensory
Courtesy of Dr. Riccardo Antonelli
Image Details
Instrument used: Quanta SEM
Magnification: 5,000x
Horizontal Field Width: 59.7 μm
Vacuum: High vacuum
Voltage: 10.00 kV
Spot: 4.0
Working Distance: 6.2 mm
Detector: ETD
This is a cross-sectional view of a rat facial nerve. The high resolution TEM allows us to confirm the presence of new axons (yellow) with their insulating myelin sheaths (brown) along with red blood cells (red). This facial nerve was regenerated using a nanofiber gel designed to guide damaged axons during the healing process.
Courtesy of Dr. Mark McClendon , Northwestern University
Image Details
Instrument used: Tecnai
Magnification: 1,400X
Horizontal Field Width: 30um (inset: 2um)
A compound eye of Drophila was observed by cryoSEM
Courtesy of Dr. Wann-neng Jane , Institute of Plant and Microbial Biology, Academia Sinica
Image Details
Instrument used: Quanta SEM
Magnification: 600x
Vacuum: High vacuum
Voltage: 20kV
Spot: 3.0
Working Distance: 9.5mm
Detector: SE
Waxy secrections of final instar larvae.
Courtesy of Dr. Riccardo Antonelli , Department of Agriculture, Food and Environment, Pisa University
Image Details
Instrument used: Quanta SEM
Magnification: 1.200x
Horizontal Field Width: 249 μm
Vacuum: High vacuum
Voltage: 7.5 kV
Spot: 4.5
Working Distance: 11.6 mm
Detector: ETD
actinomysis isolated from deseart plant
Courtesy of Mr. Badar Al-saqer , university of dammam
Image Details
Instrument used: Inspect
Magnification: 56000
Voltage: 20KV
Spot: 2.5
Working Distance: 10
Cross section of glandular ducts collecting catalyses inside the reaction chamber of a Bombardier Beetle (Coleoptera, Brachininae).
Sample embedded in epoxy resin, sliced by using FIB and imaged by using BSE with TLD detector.
Courtesy of Prof. Andrea Di Giulio
Image Details
Instrument used: Helios NanoLab
Magnification: 13 000x
Horizontal Field Width: 23 μm
Vacuum: 3 mbar
Voltage: 2 kV
Spot: -
Working Distance: 2
Detector: BSE
The biopsy of peripheral nerve observed by optic microscopy reveled many myelinated and unmyelinated axons, associated with the schwann cells. In the normal condition the myelin sheaths are organized periodically. Small changes in the structure of myelin can only be observed by electron microscopy. In this micrograph, you can be observed small details of myelin sheaths, it is evident the formation of winding roads, that view you are esthetically eye-catching, even if that tell of the image, these changes may be involved in loss of function and poor nerve conduction for the patient.
Courtesy of Ms. ALMA DELIA HERNANDEZ PEREZ , Instituto Nacional de Rehabilitación
Image Details
Instrument used: Tecnai
Magnification: 39,000 x
Voltage: 80 Kv
Spot: 1.0
Keratocyte identified after incision in corneal stroma of a pig cornea
Courtesy of Dr. Yafit Fleger , BINA & BIU university
Image Details
Instrument used: Helios NanoLab
Magnification: 17,500
Horizontal Field Width: 7.31
Voltage: 5
Spot: 1.4nA
Working Distance: 4
Detector: TLD
The Valley Life Sciences Building, University of California, Berkeley, CA.
The names of fields in academic science have changed so much in the last eighty years! The words on the exterior of this building are as antique as are the architectural motifs.
Today teaching departments herein are called "Integrative Biology",
and "Molecular & Cell Biology", among others.
Thanks to Flickr poster Wally Gobetz for the following description which I am borrowing:
"The Valley Life Sciences Building was built in 1930 to the design of George Kelham. Named for Wayne and Gladys Valley, benefactors of an early 1990's renovation, at 40,000-square-feet, it is the biggest building on campus, and was the largest in Berkeley and the largest concrete building west of the Mississippi when it was built. Original exterior decorations include animal-shaped ornaments and the names of eight life science disciplines. Inside highlights include a giant T-Rex skeleton fronting the museum of Paleontology."
The building is mammoth in its proportions. The footprint is approximately 250×500 feet; its figure eight racetrack of hallways extend for over a mile. The building has five floors, for a total of 408,500 gross SFt of space, of which 269,500 SFt is assignable space. VLSB was designed in a 'Neo-Babylonian' style; the four projecting pavilions at the corners of the building contain art deco elements such as friezes of garlanded ox skulls, griffins, and Egyptian-Babylonian priests.
In 1963, Bonnie Dalton joined NASA as a microbiology researcher. During her career, she helped to establish NASA's Life Sciences program at NASA Ames Research Center. Amongst other topics, her research focused on astrobiology, how to counteract the effects of gravity on bone and neural systems using centrifuges, a human bed-rest facility, a biocomputation center that shows biomedical changes, and an animal care facility.
In this 1976 photo she works with a test module for the biological experiments on NASA's Viking landers.
Credit: NASA/Richard Clayton
Image Number: ARC-1976-AC76-0564
Date: March 18, 1976