Microscopic samples of blood, spittle, urine, feces and seminal fluid (hence such willfully provocative titles as Blood on Shit, Piss on Us and Spunk Blood Piss Shit Spit) have been photographically enlarged and arranged in tastefully modernist grids.
By combining two chemical techniques — narrow capillary electrophoresis and mass spectrometry — Moini figured out how to measure that ratio in just 20 minutes using
microscopic samples of silk.
Not exact matches
Scherer would later find dozens
of crushed diatom shells in his
samples — possible remnants
of microscopic aquatic organisms from when the site
of Lake Whillans was a shallow seafloor.
This state
of affairs is fine for the lab but impractical for industrial applications — say, for rapidly scanning product
samples to look for embedded
microscopic watermarks.
For instance, the fecal occult blood test is an at - home kit that looks for evidence
of microscopic traces
of blood in stool
samples, a potential sign
of cancer.
The Bureau
of Reclamation's Detection Laboratory has released two reports identifying a new
sampling method to improve the accuracy
of quagga and zebra mussel detection while still at the
microscopic larval stage.
For early detection, Reclamation searches
samples from reservoirs, lakes, canals and other water bodies for the
microscopic larval form
of quagga and zebra mussels.
In search
of microscopic life, molecular ecologist Kay Bidle
of Rutgers University looked for microbial DNA in the soil and ice core
samples Marchant gathered for him during one
of his expeditions.
However, their
microscopic identification in river
samples requires a lot
of time and skills.
Monico also used high - powered X-rays to analyse
microscopic samples from the painting and found that some
of the lead chromate at the painting's surface had turned into greenish chromium oxide, which combined with the underlying yellow to produce a darker and browner hue than van Gogh may have intended.
Intestinal biopsy
samples showed mild levels
of microscopic inflammation in some
of the children with autism, as well as in some
of the non-autistic children.
To streamline this process, Uhlén's team has created standardized arrays containing
microscopic samples from 48 kinds
of normal human tissue and 20 types
of tumors.
University
of Oregon anthropologist Douglas Kennett and colleagues announced in January that they had found
microscopic diamonds (an impact marker) in sediment
samples from across the continent.
One
sample, from a painting
of an eland (the biggest
of all antelopes), contained
microscopic quantities
of organic material that allowed the image to be dated to about 400 years ago.
The group conducted
microscopic analysis
of the
samples for further insights.
Current specialized tests that depend on
microscopic or fluorescent analysis
of stool
samples or polymerase chain reactions (PCR) that amplify pathogen DNA are considered impractical for deployment in developing countries because
of the need for expensive equipment and / or the electricity to operate it.
Jun - Yuan Chen
of the Nanjing Institute
of Geology and Paleontology and his colleagues collected and studied
samples of Vernanimalcula guizhouena, a
microscopic animal that probably moved along the seafloor sucking in bacteria for food.
McKay suggested that the Viking Mars lander may have inadvertently oxidized any evidence
of life it its
samples of Martian soil, proposed an expedition to gather
samples of water from the Saturn moon Enceladus, and offered a child - friendly analogy for how alien life might differ from life on Earth: «I could build a table out
of Lincoln logs and you could build a table out
of Legos: At the macroscopic scale they'd be the same — they'd both be tables; at the
microscopic scale they'd be the same — they'd both be built from carbon atoms.
New diagnostic techniques revealed traces
of blood (inset, in blue) in
microscopic samples from ancient African artifacts such as this one.
This suggests a way that very small
samples (a few tens
of microscopic grains) can reveal big information about the pathways and effects
of long - distance airborne dust.
He gathered a bit
of rainforest air, using an instrument that sucks a
sample through a fine nozzle and sprays it onto a ceramic square half a millimeter on each side, where any
microscopic airborne particles get stuck.
Pohlker, Andreae, and their colleagues ran the numbers and found that the amount
of potassium particles released from
microscopic fungi in the lab was indeed enough to account for the concentration
of potassium they observed in their
samples.
«Thin
microscopic sections
of dirt
samples show organization
of soil grains, revealing whether an earthen structure was human - built or laid down as part
of a natural sedimentation process,» Kidder said.
Malamud's microfluidic machine uses four
microscopic channels to simultaneously scan a
sample: The first looks for human antibodies to the infectious agent, the second for an antigen on the surface
of the pathogen, and the third and fourth amplify viral RNA or bacterial DNA.
Metabarcoding resulted in higher sensitivity and resolution, and identified twice as many plant families than
microscopic analysis
of the same pollen
samples.
Called the Ambrose Monell Collection for Molecular and Microbial Research, the lab is home to thousands
of frozen
microscopic genetic
samples.
The archaeologists analysed 16
samples of microscopic plant remains from ten different time periods found during excavations during 2014 led by the University
of São Paulo in South West Amazonia.
An artificial neural network is used to transform low - resolution
microscopic images
of samples into high - resolution images, revealing more details
of the
sample, which could be crucial for pathology and medical diagnostics.
This is where scientists come in with nondestructive analytical techniques such as X-ray fluorescence intensity mapping and spectral reflectance imaging, as well as elemental and molecular analysis
of microscopic samples.
Lars Berglund, a professor at Wallenberg Wood Science Center at KTH, says that while optically transparent wood has been developed for
microscopic samples in the study
of wood anatomy, the KTH project introduces a way to use the material on a large scale.
Older
samples have been found, but all
of these are
microscopic pockets
of water trapped within rocks, not large enough to harbour life.
Then, using a combination
of microscopic and genomic techniques, they analyzed those
samples for the abundance and nature
of both microbes and the viruses that infect them.
This can include identifying
microscopic amounts
of blood, saliva or semen on evidence; carrying out a DNA analysis on any
samples found and comparing the resulting profile against the UK's DNA Database; or using microscopy to see if two fibres have similar characteristics.
«There is the possibility that one could use the hollow spheres as a means
of chemical delivery agents, or
microscopic containers
of some kind, but some more work would need to be done here just to check what happens inside the spheres, in terms
of sample heating,» said David McGloin, a physicist at the University
of Dundee in the U.K. not connected with the Australian team.
The UltraXRM - L200 is the only lab based ultra-high resolution CT scanner for 3D visualization
of microscopic sample volumes.
Previous studies
of this type relied on
microscopic examination
of tissue
samples from sacrificed animals, but this new approach allows researchers to watch the life or death
of cells in real time.
By using existing communication infrastructure and expanding the capability
of existing mobile phone technology, mobile phone microscopy systems could enable greater access to high - quality health care by allowing rapid, on - or off - site
microscopic evaluation
of patient
samples.
We test and apply optical clearing protocols on macroscopic and
microscopic samples including tissue specific variations
of these protocols.
In these labs are scientists who will take care
of storing
samples in freezers and who will use them for any sort
of analyses — like
microscopic imaging or DNA extraction.
To simulate the extreme subterranean environment, Fiquet and colleagues put
samples of typical mantle materials — magnesium oxides, iron, and silicon — into diamond anvil cells, small chambers in which
microscopic samples get crushed between two diamonds.
Louis's Robert Ricklefs first studied this relationship in the early 1990s, using data from
microscopic examination
of avian blood
samples for the presence
of parasites, primarily those that cause malaria.
Water may be more common than expected at extreme depths approaching 640 kilometres and possibly beyond — within Earth's lower mantle, says a study that explored
microscopic pockets
of a trapped form
of crystallised water molecules in a
sampling of diamonds from around the world.
When investigating the presence
of yeast in a stool
sample, disparity may exist for example between the culturing
of yeast and any actual
microscopic examination.
Slicing away at a piece
of volcanic rock using a tiny diamond - tipped saw while keeping track
of every
microscopic wisp
of volcanic dust — accurately documenting the final weight
of the
sample that was left behind.
Coccidiosis is diagnosed by performing a
microscopic examination
of a stool
sample.
Cytology, the
microscopic examination
of these cell
samples, can then identify the most probable cause
of the swelling.
Diagnosis is based on finding the organism on
microscopic examination
of a fresh fecal
sample.
Cytology, the
microscopic examination
of small
samples of cells, rarely helps in the diagnosis
of these tumors.
Needle aspirates for cytology (
microscopic examination
of cell
samples) is not diagnostic for these tumors.
The diagnosis, prediction
of behavior (prognosis) and a
microscopic assessment
of whether the tumor has been completely removed rely on
microscopic examination
of tissue
samples (histopathology).