JACS-Cellulosomal Scaffoldin Mechanics

Combining in Vitro and in Silico Single-Molecule Force Spectroscopy to Characterize and Tune Cellulosomal Scaffoldin Mechanics

Tobias Verdorfer†, Rafael C. Bernardi‡, Aylin Meinhold†, Wolfgang Ott†, Zaida Luthey-Schulten‡§, Michael A. Nash*∥⊥, and Hermann E. Gaub† 
† Lehrstuhl für Angewandte Physik and Center for Nanoscience, Ludwig-Maximilians-Universität, 80799 Munich, Germany
‡ Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
Department of Chemistry, University of Illinois at Urbana−Champaign, Urbana, Illinois 61801, United States
Department of Chemistry, University of Basel, 4056 Basel, Switzerland
Department of Biosystems Science and Engineering, Swiss Federal Institute of Technology (ETH Zurich), 4058 Basel, Switzerland
J. Am. Chem. Soc., 2017, 139 (49), pp 17841–17852
DOI: 10.1021/jacs.7b07574
Publication Date (Web): October 23, 2017
Copyright © 2017 American Chemical Society

The force induced unfolding behavior of all cohesins from the scaffoldin ScaA was successfully characterized by combining in vitro and in silico single-molecule force spectroscopy.

Nature Photonics-Phase-locked laser arrays

Phase-locked laser arrays through global antenna mutual coupling

Tsung-Yu KaoJohn L. RenoQing Hu
1.Department of Electrical Engineering and Computer Science and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
Tsung-Yu Kao &Qing Hu
2.LongWave Photonics LLC, Mountain View, California 94043, USA
Tsung-Yu Kao
3.Sandia National Laboratories, Center of Integrated Nanotechnologies, MS 1303, Albuquerque, New Mexico 87185-130, USA
John L. Reno
DOI:10.1038/nphoton.2016.104
© 2016 Macmillan Publishers Limited, part of Springer Nature. All rights reserved.

A new approach to laser design utilizing a conceptually novel phase-locking mechanism based on "antenna mutual coupling" where different laser elements interact with each other through far-field radiations with definite phase relations.

IMAGE: D. LIU, T.-Y. KAO AND Q. HU

COVER DESIGN: BETHANY VUKOMANOVIC

Nature-Ring of Exceptional Points on a Dirac Cone

Spawning rings of exceptional points out of Dirac cones

Bo ZhenChia Wei HsuYuichi IgarashiLing LuIdo KaminerAdi PickSong-Liang ChuaJohn D. JoannopoulosMarin Soljačić
Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
Department of Applied Physics, Yale University, New Haven, Connecticut 06520, USA
Smart Energy Research Laboratories, NEC Corporation, 34 Miyuiga-ka, Tsukuba, Ibaraki 305-8501, Japan
Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA
DSO National Laboratories, 20 Science Park Drive, Singapore 118230, Singapore
Nature 525,354–358(17 September 2015) 
DOI: 10.1038/nature14889
© 2015 Macmillan Publishers Limited. All Rights Reserved.
The first experimental demonstration of a ring of exceptional points in a photonic crystal slab. This groundbreaking research could potentially lead to more powerful lasers, precise optical sensors, and other devices.