Perspective: 4D ultrafast electron microscopy—Evolutions and revolutions

D Shorokhov, AH Zewail - The Journal of chemical physics, 2016 - pubs.aip.org
In this Perspective, the evolutionary and revolutionary developments of ultrafast electron
imaging are overviewed with focus on the “single-electron concept” for probing …

Micrographia of the twenty-first century: from camera obscura to 4D microscopy

AH Zewail - … Transactions of the Royal Society A …, 2010 - royalsocietypublishing.org
In this paper, the evolutionary and revolutionary developments of microscopic imaging are
overviewed with a perspective on origins. From Alhazen's camera obscura, to Hooke and …

[HTML][HTML] Seeing in 4D with electrons: Development of ultrafast electron microscopy at Caltech

JS Baskin, AH Zewail - Comptes Rendus Physique, 2014 - Elsevier
The vision to develop 4D electron microscopy, a union of the capabilities of electron
microscopy with ultrafast techniques to capture clearly defined images of the nanoscale …

Lattice model of oligonucleotide hybridization in solution. i. Model and thermodynamics

JC Araque, AZ Panagiotopoulos… - The Journal of chemical …, 2011 - pubs.aip.org
A coarse-grained lattice model of DNA oligonucleotides is proposed to investigate the
general mechanisms by which single-stranded oligonucleotides hybridize to their …

Dominance of misfolded intermediates in the dynamics of α-helix folding

MM Lin, D Shorokhov… - Proceedings of the …, 2014 - National Acad Sciences
Helices are the “hydrogen atoms” of biomolecular complexity; the DNA/RNA double hairpin
and protein α-helix ubiquitously form the building blocks of life's constituents at the …

1.19 ultrafast structural dynamics of biological systems

M Chergui - Comprehensive Biophysics, 2012 - books.google.com
Proteins are the building blocks of biology. They work as structural elements, as storage and
transport systems, and as catalysts. In fact, they perform most of the tasks in living systems …

New light on molecular and materials complexity: 4D electron imaging

D Shorokhov, AH Zewail - Journal of the American Chemical …, 2009 - ACS Publications
In this Perspective, 4D electron imaging is highlighted, after introducing some concepts, with
an overview of selected applications that span chemical reactions, molecular interfaces …

Hydration effect on the optical property of a DNA fiber: First-principles and molecular dynamics studies

T Yamamoto, T Uda, T Yamasaki… - Physical Chemistry …, 2010 - pubs.rsc.org
We have studied the theoretical hydration effect on the optical property of a deoxyribonucleic
acid (DNA) double helix fiber. First-principles electronic structure and molecular dynamics …

Structural dynamics of free proteins in diffraction

MM Lin, D Shorokhov, AH Zewail - Journal of the American …, 2011 - ACS Publications
Among the macromolecular patterns of biological significance, right-handed α-helices are
perhaps the most abundant structural motifs. Here, guided by experimental findings, we …

[PDF][PDF] Ultrafast Light and Electrons: Imaging the Invisible

AH Zewail - Optics in Our Time, 2016 - library.oapen.org
The ever-increasing progress made by humans in making the very small and the very distant
visible and tangible is truly remarkable. The human eye has spatial and temporal resolutions …