Sentences with phrase «used scanning electron microscopy»

Because cement is a heterogeneous material, made up of multiple components, Shahrin used a scanning electron microscopy / X-ray technique to find the areas in cement samples that had the highest ratio of C - S - H relative to other constituent materials.

Researchers used scanning electron microscopy to characterize the surface structure of the scutes.

Study co-author Dr Carolina Loch says this was the first time the enamel ultrastructure of fur seals and sea lions, as well as the extinct walrus Pelagiarctos, was studied using scanning electron microscopy.

Using scanning electron microscopy, they mapped the surface morphology.

Using scanning electron microscopy, researchers found a «network of interwoven cables,» nestled within the wall of a cocoon, which they later determined was the rare preservation of clitellate annelid spermatozoa (pictured above), they report today in Biology Letters.

Using scanning electron microscopy and nano - CT scanning, the team observed that ultrablack feathers have ragged, spike - studded barbules that curve upward at a roughly 30 - degree angle to the tip, creating an array of deep, curved cavities.

An international research team led by Dr. Dennis Harries (Friedrich Schiller University Jena) has investigated these craters in details using scanning electron microscopy and transmission electron microscopy.

The answer has been to use scanning electron microscopy (SEM) and atomic force microscopy (ATM), which yield reasonable images.

This work expands on these initial investigations by examining the interior of the fossil dinosaur bone prior to dissolution in acid using scanning electron microscopy (SEM) and energy dispersive spectroscopy (EDS).

The surface morphology of GeS was also characterized using scan electron microscopy (SEM).

Researchers in the UK, the US and Germany have succeeded in obtaining videos of graphene nucleating and growing on polycrystalline metal surfaces using scanning electron microscopy.

Not exact matches

Pan, Schweitzer and their team used both scanning and transmission electron microscopy to get microscopic details of the feather's surface and its internal structure.

Because they are so small, multiple testing methods are used, including cross-polarized light microscopy, scanning electron microscopy and PCR testing of the DNA of larvae in the water sample.

To probe further, Bello and her colleagues examined the remains using two types of microscopy: scanning electron and focus variation microscopy.

Scientists used techniques such as scanning electron microscopy and x-ray imaging to investigate species» bodies and feeding mechanisms.

Recently, ORNL scientists using state - of - the - art scanning transmission electron microscopy, or STEM, provided the first direct evidence of the atomic - defect configurations in a titanium - carbide MXene synthesized at Drexel University.

To get a closer look at the individual nickel atoms within the atomically thin graphene sheet, the scientists used scanning transmission electron microscopy (STEM) at Brookhaven's Center for Functional Nanomaterials (CFN), a DOE Office of Science User Facility.

They used a type of atomic force microscopy, in which a vibrating needle - like tip is scanned over a surface, and differences in vibrational frequency due to the presence of electrons below are recorded at different spots.

Three - dimensional image using scanning tunneling electron microscopy of electrons on the surface of a Weyl semi-metal, a kind of crystal with unusual conducting and insulating properties.

However, upon inspection using x-ray and scanning electron microscopy, mechanical defects were revealed in 62 percent of the implants.

The researchers used a combination of advanced electronic structure calculations, magnetic property measurements, and revolving scanning transmission electron microscopy (revolving STEM) to see what was happening at the atomic scale in NiFeCrCo.

The authors used tabletop scanning electron microscopy to analyze individual feathers, building a detailed 3D picture of the distribution of live mites in situ.

17 Not to be outdone, Stanford scientists used scanning tunneling microscopy and holograms to write information within the interference patterns formed by electron waves on a copper sheet.

His team uses a scanning electron microscope to take highly detailed pictures of items, x-ray microanalysis to determine the elements in the sample and infrared microscopy to identify polymers.

Using scanning transmission electron microscopy combined with spectroscopy, researchers at UIC were able to measure the temperature of several two - dimensional materials at the atomic level, paving the way for much smaller and faster microprocessors.

Ten exoskeleton specimens were studied, and experimental analyses were performed using laboratory techniques including scanning electron microscopy and electron diffraction spectroscopy, revealing details about the structure and chemical composition.

Klie and his colleagues devised a way to take temperature measurements of TMDs at the atomic level using scanning transition electron microscopy, which uses a beam of electrons transmitted through a specimen to form an image.

The researchers used high - resolution scanning electron microscopy with energy dispersive x-ray analysis to study microstructure and elemental composition, and high - resolution x-ray photoelectron spectroscopy for more detailed chemical characterization.

I am an experimentalist, and I use ultrahigh - resolution ion - and electron - microscopy techniques, including focused - ion - beam scanning - electron microscopy and transmission electron microscopy, to determine the composition and structure of these materials at scales ranging from millimeters down to the atomic.

A mathematical model (left) uses a geometrical framework to explain how previous patterns grew and predict new carbonate - silica structures (right, imaged by scanning electron microscopy).

They then characterized the general morphology of these structures using low kV scanning electron microscopy and backscattered electron imaging.

Plants used for scanning electron microscopy, RNA - seq, in situ hybridization, metabolic profiling, and PCZ treatment were grown in a high - light growth chamber under short - day conditions (31 °C / 22 °C [day / night], 12 h light / 12 h dark, 50 % relative humidity, chamber outfitted with 6 T8 fluorescent 5 - foot bulbs per 10 - square - foot canopy, light intensity at 200 µmol m − 2 s − 1 PAR) at the Danforth Center's growth facility.

Scanning electron microscopy images of PLG microspheres created using Precision Particle Fabrication.

Researchers used the 12 - ID - B and 32 - ID beamlines at the Advanced Photon Source, also a DOE Office of Science User Facility, to take X-ray scattering measurements, as well as transmission X-ray microscopy nano - computed tomography of the samples, scanning electron microscopy and transmission electron microscopy.

At EMSL, they used X-ray diffraction, scanning electron microscopy, transmission electron microscopy and Mössbauer spectroscopy to characterize the iron in the sediment.

Study researcher Stefano Benazzi, an archaeologist at the University of Bologna, and colleagues used residue analyses, microCT scans, and scanning electron microscopy to get a closer look at the inside of these holes.

The positions of 3769 tungsten atoms in a tungsten needle segment were determined to a precision of 19 pm (0.019 nm), including the position of a single atom defect in the interior of the sample, by using aberration - corrected scanning transmission electron microscopy and computerized tomography.

Concerning SEM study a bone slice, adjacent to that used for light microscopy, was examined using Cambridge 250 Mark 3 scanning electron microscope, working at 20 kV beam voltage.

Using scanning transmission electron microscopy (STEM) to monitor the behaviour of the nickel - graphene combination, the scientists discovered the atom - thin carbon sheet was ensuring the efficiency of the catalytic conversion by preventing the nickel moving around.

Use tools and methods including solid - state synthesis, scanning electron microscopy (SEM), thermogravimetric analysis (TGA) and dilatometry.

Professional Duties & Responsibilities Biomedical and biotechnology engineer with background in design of biomaterials, biosensors, drug delivery devices, microfrabrication, and tissue engineering Working knowledge of direct cell writing and rapid prototyping Experience fabricating nanocomposite hydrogel scaffolds Proficient in material analysis, mechanical, biochemical, and morphological testing of synthetic and biological materials Extensive experience in bio-imaging processes and procedures Specialized in mammalian, microbial, and viral cell culture Working knowledge of lab techniques and instruments including electrophoresis, chromatography, microscopy, spectroscopy, PCR, Flow cytometery, protein assay, DNA isolation techniques, polymer synthesis and characterization, and synthetic fiber production Developed strong knowledge of FDA, GLP, GMP, GCP, and GDP regulatory requirements Created biocompatible photocurable hydrogels for cell immobilization Formulated cell friendly prepolymer formulation Performed surface modification of nano - particle fillers to enhance their biocompatibility Evaluated cell and biomaterial interaction, cell growth, and proliferation Designed bench - top experiments and protocols to simulate in vivo situations Designed hydrogel based microfluidic prototypes for cell entrapment and cell culture utilizing computer - aided robotic dispenser Determined various mechanical, morphological, and transport properties of photocured hydrogels using Instron, FTIR, EDX, X-ray diffraction, DSC, TGA, and DMA Assessed biocompatibility of hydrogels and physiology of entrapped cells Evaluated intracellular and extracellular reactions of entrapped cells on spatial and temporal scales using optical, confocal, fluorescence, atomic force, and scanning electron microscopies Designed various biochemical assays Developed thermosensitive PET membranes for transdermal drug delivery application using Gamma radiation induced graft co-polymerization of N - isopropyl acylamide and Acrylic acid Characterized grafted co-polymer using various polymer characterization techniques Manipulated lower critical solution temperature of grafted thermosensitive co-polymer Loaded antibiotic on grafted co-polymer and determined drug release profile with temperature Determined biomechanical and biochemical properties of biological gels isolated from marine organisms Analyzed morphological and mechanical properties of metal coated yarns using SEM and Instron Performed analytical work on pharmaceutical formulations using gas and high performance liquid chromatography Performed market research and analysis for medical textile company Developed and implement comprehensive marketing and sales campaign