Sentences with phrase «microscopic samples of»

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).