Papers:
Insight into bacteria: magnetosomes chains under photoemission electron and scanning electron microscopes
Keutner C., von Bohlen A., Berges U., Espeter P., Schneider C.M., Westphal C., TU Dortmund University, DE
Magnetotactic bacteria (MTB) are forming magnetosome chains consisting of greigite or iron oxides. In technological, medical, and environmental applications magnetosomes are considered as perspective material. Among all techniques applied to MTB, two providing spatial, chemical, [...]
Comparison of carbon nanotube data collected using two microscopy methods: dark-field hyperspectral imaging and electron microscopy
Currently, the National Institute for Occupational Safety and Health (NIOSH) Nanotechnology Research Center uses a modified version of the NIOSH Manual of Analytical Method 7303 (Elements by ICP) and electron microscopy (either scanning or transmission) [...]
3D Nanostructuring and Nanoanalysis of Human Enamel and Dentin Using Focused Ion Beams
This study particularly focuses on three dimensional nanoanalysis of human dentin and enamel samples, using FIB nanostructuring methods such as FIB tomography and preparation of 3D TEM samples. All biological tissues have three dimensional features [...]
Viscoelastic Contact Resonance Force Microscopy of Polymers in Liquid
Contact resonance force microscopy (CR-FM) is an AFM-based technique for quantitatively determining the nanoscale mechanical properties of materials. In CR-FM, the resonant properties of an AFM cantilever in contact with the surface are interpreted as [...]
The Effect of Sintering Conditions on the Formation of Hydroxyapatite-Boron Nitride Nanocomposites
Being the main inorganic constitution of hard tissues (bone and teeth),calcium phosphates has been applied in medical and dental applications in hard tissue repair. Hydroxyapatite (HAp) ceramics have attracted attention because of their excellent osteoconductive [...]
Characterization on nanoparticle drug delivery carriers
Nanoparticle controlled drug delivery technology represents a rapidly advancing arena in medical treatment. These delivery systems offer numerous advances compared to conventional dosage forms which include improved efficacy, reduced toxicity and improved patient compliance and [...]
Nanoanalysis of Gas Assisted Ion Etching of High Density Polyethylene using FIB/SEM Platforms for the Development of Functional Surfaces
Although soft matter, such as polymers, are very much prone to react on electron/ion beam irradiation, it is well possible to turn degradation dependent physical/chemical changes from negative to positive when materials are exposed to [...]
Effect of Reactive Ball Milling Time on the Hydrogenation/Dehydrogenation Properties of Nanocomposite MgH2/7TiMn1.5 Powders
Sherif El-Eskandarany M., Al-Matrouk H., Shaban E., Al-Duweesh A., Kuwait Institute for Scientific Research, State of Kuwait, KW
Reactive ball milling (RBM) technique was employed to synthesize ultrafine powders of -MgH2 phase coexisted with small mole fractions of -MgH2 phase. The metal hydride powders were prepared at room temperature under 50 bar of [...]
Photothermal Structural and Optical Changes In GaAs Nanowires
The structural and optical changes in vertically etched GaAs nanowires are examined. The nanowires were annealed via photo-thermal conversion, using 100 mW of incident laser power, to induce the onset of arsenic formation. Four nanowire [...]
Nanostructured silicon coupled with Iron Oxide Magnetic Nanoparticles as Enhanced Desorption/Ionization on Silicon Mass Spectrometry for Phosphopeptide Analysis
Stem cells can differentiated into various cell types which can be used to repair damage organs in regenerative medicine applications. The cell regulation process such as cell division, differentiation, and apoptosis are deeply related to [...]
3D nanostructural analysis of biomaterials by scanning probe nanotomography
Efimov A.E., Agapova O.I., Agapov I.I, Agapova O.I., Shumakov Federal Research Center of Transplantology and Artificial Organs, RU
We have been developing a new methodology and unique instrumentation for 3D reconstruction of the nanoscale volume organization of soft matter – scanning probe nanotomography (SPNT). It combines SPM with an ultramicrotome or cryoultramicrotome and [...]
Understanding 2D atomically thin and layered materials beyond graphene using a novel X-ray microscope
Research and development of atomically thin, 2D materials from a broad range of layered compounds beyond graphene have sparked enormous scientific interest. The main goal in this field is to disclose the implication of heterogeneities [...]
Investigation on capillary force of nanoscale water cluster using a Hybrid AFM-MEMS System
The interaction force between surfaces has a major effect on the behavior of the materials, such as nanoparticles, proteins, various bio-molecules, and so on. The phenomenon of stiction influenced by interaction forces impacts the repetitive [...]
Fabrication of Electroless Plated Nano Porous Gold Film for Trace Heavy Metal Ion Detection In Sensor Applications
Nano porous gold film was fabricated by electroless plating with Potassium Gold Cyanide as plating solution. E-beam deposited Cu substrates were chosen for plating. The electroless plated gold was investigated through XRD and SEM. SEM [...]
Raman Spectroscopic Characterization of Carbon Nanotubes & Tungsten Oxide of Relevance to Energy Storage and Gas Sensing Applications
The characterization of graphitic and metal oxide nanomaterials through the use of Resonant Raman Spectroscopy at multiple laser excitations is the primary aim of this research. Raman spectroscopic techniques can help characterize the vibrational phonon [...]
Imaging and Analysis at the Harvard University Center for Nanoscale Systems
University-based shared experimental facilities are tremendous assets, serving the local academic needs as well as providing access to equipment and expertise for neighboring companies, both small and large. Properly managed, such a facility can serve [...]
First-Order-Reversal-Curve Analysis of Nano-composite Permanent Magnets
Rare-earth and ferrite permanent magnet materials are indispensable elements in many electronic devices such as electrical motors, hybrid vehicles, portable communications devices, speakers, sensors, etc. Owing to the decreased availability of, and increasing cost of [...]
Assessing chemical agent decontamination efficacy of a nanostructured fabric using headspace and split/splitless injection gas chromatography and mass spectrometry (GC-MS)
Development of a multifunctional decontamination system embedded with nanoparticles for select agent capture and degradation upon UV exposure. Degradation products and decrease in agent concentrations evaluated by GC-MS.
Energy and Charge Transfer between Quasi-zero-dimensional Nanostructures
Theory is presented of the electronic excitation and electronic charge transfer between quantum dots. Kinetic equations describing this irreversible transfer are developed using quantum transport approach. The non-adiabatic property of the electron coupling to the [...]
Journal: TechConnect Briefs
Volume: 1, Advanced Materials: TechConnect Briefs 2015
Published: June 14, 2015
Industry sector: Advanced Materials & Manufacturing
Topic: Materials Characterization & Imaging
ISBN: 978-1-4987-4727-1