Sentences with phrase «with electron diffraction»

To ensure structural perfection, the scientists characterize the materials in real time with electron diffraction, where an electron beam strikes the sample and sensitive detectors measure precisely how it scatters.

Not exact matches

«This two - step behavior, which we can see with our ultrafast electron diffraction, is the proof that the lattice vibrations are interacting with the electrons in a timely fashion.

This work, with the assistance of soil scientists at the University of KwaZulu - Natal, has involved a suite of techniques, including x-ray fluorescence (to provide quantitative data on minor and trace element composition), x-ray diffraction (to reveal crystal structure and parent rock types of paint ingredients), and environmental scanning electron microscopy (to yield qualitative data on elements present).

Due to their quantum mechanical wave - like properties, when electrons are scattered off a crystal, they interfere with each other to create a diffraction pattern.

To help with understanding the crystal structure, Steve Hackney, professor of materials science at Michigan Tech, was able to provide crucial high - resolution images and diffraction patterns using transmission electron microscopy on ultrathin samples prepared with a diamond knife by Owen Mills, director of Michigan Tech's Applied Chemical & Morphological Analysis Laboratory.

To characterize the threads and strips, the researchers combined high - resolution scanning electron microscopy, electron back - scattered diffraction with energy - dispersive electron probe microanalysis and other analytical methods.

An X-ray beam of such intensity will, of course, destroy any microscopic object it irradiates, but with free - electron lasers the diffraction event is faster than the coulombic explosion, so data can still be obtained.

The measured optical band gap of these samples matches the predicted dependence as a function of the sample's order parameter as measured by Raman scattering and both x-ray and electron diffraction, and hence allows for the possibility of tuning the band gap of ZnSnN2 without having to alloy with other material systems.

CrystFEL is a suite of programs for processing Bragg diffraction data acquired with a free electron laser in a «serial» manner.

«We could see water molecules and a belt of lipids around the protein, which was really transformative,» says Gonen, who also worked with Piotr Sliz to initiate the use of molecular replacement to phase electron diffraction data.

Free - electron lasers have opened new frontiers in studying materials and chemistry at the nanoscale and beyond, and Filippetto said he hopes to pave new ground with HiRES, too, using a technique known as «ultrafast electron diffraction,» or UED, that is similar to X-ray diffraction.

The book explains the fundamentals of how waves and wavefunctions interact with atoms in solids, and the similarities and differences of using x-rays,... View Details Transmission Electron Microscopy: Diffraction, Imaging, and Spectrometry by C. Barry Carter (Editor), David B. Williams (Editor) This text is a companion volume to Transmission Electron Microscopy: A Textbook for Materials Science by Williams and Carter.

Acronyms: XRF = x-ray fluoresencence; RBS = Rutherford Backscattering; XRD = x-ray diffraction; SEM = scanning electron microscopy; AFM = atomic force microcopy; PES = photoelectron spectroscopy, with x-rays (XPS) and ultraviolet (UPS); KP = Kelvin probe measurements, SECM = scanning electrochemical microscopy, PL = photoluminescence; FTIR = Fourier transform infrared spectroscopy

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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