Zobrazeno 1 - 10
of 42
pro vyhledávání: '"John H. Konnert"'
Autor:
John H. Konnert, Banahalli R. Ratna, Jeffrey R. Deschamps, Christopher M. Spillmann, Jawad Naciri
Publikováno v:
Chemistry of Materials. 20:6130-6139
The structure and molecular packing of an electroclinic liquid crystal elastomer (ELCE) is examined using X-ray diffraction in an unstressed state, under mechanical load, and in the presence of electric fields of varying strength and opposing polarit
Autor:
John E. Johnson, Kim E. Sapsford, Igor L. Medintz, Hedi Mattoussi, John H Konnert, Anju Chatterji, Tianwei Lin
Publikováno v:
Langmuir. 21:5501-5510
This report describes two related methods for decorating cowpea mosaic virus (CPMV) with luminescent semiconductor nanocrystals (quantum dots, QDs). Variants of CPMV are immobilized on a substrate functionalized with NeutrAvidin using modifications o
Publikováno v:
Crystal Growth & Design. 5:535-545
We measured the growth velocities of the (110) face of tetragonal lysozyme, V (centimeters per second), at four different concentrations, c (milligrams per milliliter), as the solution temperature, T (Centigrade), was reduced. For a broad range of T
Publikováno v:
Journal of Crystal Growth. 232:256-261
Measurements of lysozyme diffusion within the depletion zone of the (110) face of lysozyme crystals are reported. The measurements were performed using the technique of microscope light scattering, capable of measuring small sampling areas (∼2 μm
Publikováno v:
Surface Science. 440:69-80
Using in situ atomic force microscopy (AFM) we have recorded the incorporation, on the nanometer scale, of molecules into growth steps of macromolecular crystals grown from solution. From these investigations we were able to deduce the fine structure
Publikováno v:
Acta Crystallographica Section D Biological Crystallography. 55:1023-1035
Previous atomic force microscopy (AFM) studies and periodic bond-chain (PBC) analyses of tetragonal lysozyme crystals have suggested that the (110) face consists of chains of molecules related to one another by 43 axes parallel to the crystal face. I
Publikováno v:
Acta Crystallographica Section D Biological Crystallography. 55:448-457
The investigation of the structure of the four conformers of the nonapeptide described here has an additional purpose: to illustrate a method for combining isomorphous replacement information with anomalous dispersion information within the linear eq
Autor:
Banahalli R. Ratna, Christopher M. Spillmann, J. M. Adams, Jawad Naciri, John H. Konnert, Jeffrey R. Deschamps
We present a detailed analysis of the molecular packing of a strained liquid crystal elastomer composed of chiral mesogens in the smectic A phase. X-ray diffraction patterns of the elastomer collected over a range of orientations with respect to the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41de0f2a73dcf76656448878f7b93f5e
http://arxiv.org/abs/1008.5343
http://arxiv.org/abs/1008.5343
Autor:
Peter D'Antonio, John H. Konnert
Publikováno v:
Ultramicroscopy. 45:281-290
Simulations of side-band holograms produced with a STEM equipped with a coherent, point electron source and a beam splitter are presented and interpreted. Holograms are calculated for various electron voltages, beam separations and thicknesses of GaA
Autor:
John H. Konnert, Peter D'Antonio
Publikováno v:
Ultramicroscopy. 38:169-179
A scanning transmission electron microscope (STEM) designed to simultaneously record all of the diffraction data at each beam position is necessary to fully utilize the imaging potential of a STEM. However, analysis of this large quantity of data req