Publications by Ke Liu | EPFL Graph Search

The second data release from the European Pulsar Timing Array IV. Implications for massive black holes, dark matter, and the early Universe

Andrii Neronov, Ke Liu, Jun Wang, Jongmoon Jang, Jia Liu

The European Pulsar Timing Array (EPTA) and Indian Pulsar Timing Array (InPTA) collaborations have measured a low-frequency common signal in the combination of their second and first data releases, respectively, with the correlation properties of a gravita ...

EDP SCIENCES S A2024

Ultra-tunable bistable structures for universal robotic applications

Jamie Paik, Ke Liu, Xin Tong, Lei Wang, Hongying Zhang, Yongkang Jiang

Bistable structures in nature are unparalleled for their fast response and force amplification even with the most minute physical stimula-tion. However, current works on bistable structures mainly focus on their stable states, while promising intermediate ...

CELL PRESS2023

Detecting topological variations of DNA at single-molecule level

Aleksandra Radenovic, Georg Fantner, Ke Liu, Adrian Pascal Nievergelt

In addition to their use in DNA sequencing, ultrathin nanopore membranes have potential applications in detecting topological variations in deoxyribonucleic acid (DNA). This is due to the fact that when topologically edited DNA molecules, driven by electro ...

Nature Research2019

Fabrication and practical applications of molybdenum disulfide nanopores

Aleksandra Radenovic, Michael Graf, Jiandong Feng, Ke Liu, Martina Lihter, Mukeshchand Thakur

Among the different developed solid-state nanopores, nanopores constructed in a monolayer of molybdenum disulfide (MoS2) stand out as powerful devices for single-molecule analysis or osmotic power generation. Because the ionic current through a nanopore is ...

2019

2D MoS2 nanopores: ionic current blockade height for clustering DNA events

Aleksandra Radenovic, Ke Liu

2D nanopores can be used to electrophoretically drive DNA molecules, which can in turn be identified through measurable electronic current blockades. In this work, we use experimental data from molybdenum disulfide nanopores threading DNA nucleotides and p ...

2019

Wafer-scale MOCVD growth of monolayer MoS2 on sapphire and SiO2

Andras Kis, Thomas La Grange, Aleksandra Radenovic, Ke Liu, Yanfei Zhao, Hokwon Kim, Huanyao Cun, Michal Daniel Macha

High-quality and large-scale growth of monolayer molybdenum disulfide (MoS2) has caught intensive attention because of its potential in many applications due to unique electronic properties. Here, we report the wafer-scale growth of high-quality monolayer ...

2019

Centimeter-Sized Single-Orientation Monolayer Hexagonal Boron Nitride With or Without Nanovoids

Aleksandra Radenovic, Duncan Thomas Lindsay Alexander, Ke Liu, Huanyao Cun

American Chemical Society (ACS)2018

Transverse Detection of DNA in a MoS2 Nanopore

Aleksandra Radenovic, Michael Graf, Ke Liu, Aditya Sarathy

2018

Supercritical CO2 injection and residence time in fluid-saturated rocks: Evidence for CO2 and mineral dissolution and effects on rock integrity

Ke Liu, Lucas Xan Pimienta

CO2 injection and storage in geological reservoirs is an attractive prospect for mitigating the anthropogenic production of greenhouse gases and global warming. The technology could lead to mineral precipitation and therefore stable storage over geological ...

Elsevier Sci Ltd2017

Geometrical Effect in 2D Nanopores

Andras Kis, Aleksandra Radenovic, Duncan Thomas Lindsay Alexander, Davide Deiana, Ke Liu, Dumitru Dumcenco, Martina Lihter, Vasiliki Tileli, Aditya Sarathy

A long-standing problem in the application of solid-state nanopores is the lack of the precise control over the geometry of artificially formed pores compared to the well-defined geometry in their biological counterpart, that is, protein nanopores. To date ...

American Chemical Society (ACS)2017

Molecular sensing device

Aleksandra Radenovic, Jiandong Feng, Ke Liu

Molecular sensing system including: a sensing device (5) comprising at least one support layer (10), and an active layer (6) mounted on said support layer and having at least one nano-pore (12) configured for translocation of a molecular analyte (18) there ...

2017

Guidelines for the use and interpretation of assays for monitoring autophagy (3rd edition)

Nicolas Dupont, Françoise Gisou van der Goot Grunberg, Li Jin, Lionel Blanc, Andreas Kern, Andreas Mayer, Yin Chen, Darren Moore, Maurizio Molinari, Xu Liu, Jun Ren, Ziwei Qu, Li Yu, Xin Qi, Paolo Paganetti, Wei Chen, Peiwen Chen, Jian Zhang, Hong Jiang, Bo Wang, Yi Sun, Rakesh Kumar, Qi Chen, Si Chen, Ke Liu, Feng Xu, Qing Zhong, Hua Bai, Yang Sun, Sheng Li, Wei Liu, Peng Wang, Zhen Yan, Bo Liu, Fan Zhang, Jian Wu, Jian Wang, Li Zhang, Chih-Peng Chang, Giuseppe Russo, Sandra Moreno, Ying Jiang, Hong Zhang, Liang Xu, , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,

Single-layer MoS2 nanopores as nanopower generators

Andras Kis, Aleksandra Radenovic, Michael Graf, Dmitry Ovchinnikov, Jiandong Feng, Ke Liu, Dumitru Dumcenco

Making use of the osmotic pressure difference between fresh water and seawater is an attractive, renewable and clean way to generate power and is known as 'blue energy'(1-3). Another electrokinetic phenomenon, called the streaming potential, occurs when an ...

Nature Publishing Group2016

Nanopore forming method and uses thereof

Aleksandra Radenovic, Jiandong Feng, Ke Liu

Method for making nanopores in thin layers or monolayers of transition metal dichalcogenides comprising the steps of provinding a suspended transistion metal dichalcogenide layer (1) in an electrolyte (2), applying a transmembrane voltage (V) high enough t ...

2016

Study of chi(cJ) decaying into phi K*(892)(K)over-bar

François Bianchi, Jun Dong, Jiannong Fang, Hua Zhang, Mingkui Wang, Fang Liu, Yixing Chen, Shan Jin, Xiaoqing Zhou, Yuan Yuan, Fengping Li, Qian Wang, Lei Zhou, Sofia Carmen Suzanne Spataro, Zhirui Xu, Lin Yang, Ke Liu, Yu Zheng, Siyuan Wang, Junqiu Liu, Yi Zhang, Jianing Li, Lei Zhang, Yong Yang, Hao Liu, Jian Liu, Yang Qin, Feng Liu, Xuan Li, Lei Li, Kun Liu, Cheng Li, Xiao Wang, Yi Wang, Xin Chen, Wei Li, Jie Chen, Yifei Guo, Shuai Liu, Zheng Wang, Qianyu Zhao

Using a data sample of 106 million psi(3686) events collected with the BESIII detector operated at the BEPCII storage ring, we study for the first time the decays chi(cJ) -> phi(KSK +/-)-K-0 pi(-/+) and chi(cJ) -> phi K+K-pi(0) in the E1 radiative transiti ...

2015

Electrochemical Reaction in Single Layer MoS2: nanopores opened atom by atom

Andras Kis, Aleksandra Radenovic, Michael Graf, Duncan Thomas Lindsay Alexander, Daria Krasnozhon, Roman Bulushev, Jiandong Feng, Ke Liu, Dumitru Dumcenco, Martina Lihter

Ultrathin nanopore membranes based on 2D materials have demonstrated ultimate resolution toward DNA sequencing. Among them, molybdenum disulfide (MoS2) shows long-term stability as well as superior sensitivity enabling high throughput performance. The trad ...

American Chemical Society (ACS)2015

Identification of single nucleotides in MoS2 nanopores

Andras Kis, Aleksandra Radenovic, Roman Bulushev, Sergey Khlybov, Jiandong Feng, Ke Liu, Dumitru Dumcenco

The size of the sensing region in solid-state nanopores is determined by the size of the pore and the thickness of the pore membrane, so ultrathin membranes such as graphene and single-layer molybdenum disulphide could potentially offer the necessary spati ...

Nature Publishing Group2015

Atomically Thin Molybdenum Disulfide Nanopores with High Sensitivity for DNA Translocation

Andras Kis, Aleksandra Radenovic, Jiandong Feng, Ke Liu

Atomically thin nanopore membranes are considered to be a promising approach to achieve single base resolution with the ultimate aim of rapid and cheap DNA sequencing. Molybdenum disulfide (MoS2) is newly emerging as a material complementary to graphene du ...

Amer Chemical Soc2014

Detecting the translocation of DNA through a nanopore using graphene nanoribbons

Mohamed Malik Benameur, Andras Kis, Aleksandra Radenovic, Camille Alice Raillon, Floriano Traversi, Daria Krasnozhon, Sergey Khlybov, Ke Liu

Solid-state nanopores can act as single-molecule sensors and could potentially be used to rapidly sequence DNA molecules. However, nanopores are typically fabricated in insulating membranes that are as thick as 15 bases, which makes it difficult for the de ...

Nature Publishing Group2013