Publications by Yen-Cheng Liu | EPFL Graph Search

Spatiotemporal Interrogation of Single Spheroids Using Multiplexed Nanoplasmonic-fluorescence Imaging

Hatice Altug, Matthias Lütolf, Yen-Cheng Liu, Saeid Ansaryan, Luis Francisco Lorenzo Martin

Advances in organoid models, as ex vivo mini-organs, and the development of screening imaging technologies have continuously driven each other forward. A complete understanding of organoids requires detailed insights into the intertwined intraorganoid and ...

WILEY-V C H VERLAG GMBH2025

Multimodal Nanoplasmonic and Fluorescence Imaging for Simultaneous Monitoring of Single-Cell Secretory and Intracellular Dynamics

Hatice Altug, Yen-Cheng Liu, Saeid Ansaryan

Current imaging technologies are limited in their capability to simultaneously capture intracellular and extracellular dynamics in a spatially and temporally resolved manner. This study presents a multimodal imaging system that integrates nanoplasmonic sen ...

WILEY2025

Nanoplasmonic Single-Tumoroid Microarray for Real-Time Secretion Analysis

Hatice Altug, Nicolas Antoine Vincent Broguiere, Yen-Cheng Liu, Saeid Ansaryan, Luis Francisco Lorenzo Martin

Organoid tumor models have emerged as a powerful tool in the fields of biology and medicine as such 3D structures grown from tumor cells recapitulate better tumor characteristics, making these tumoroids unique for personalized cancer research. Assessment o ...

2024

Suppressing surface and interface recombination to afford efficient and stable inverted perovskite solar cells

Yong Ding, Yen-Cheng Liu

The top surface of the perovskite layer and the interface with the electron transporting layer play a key role in influencing the performance and operational stability of inverted perovskite solar cells (PSCs). A deficient or ineffective surface passivatio ...

ROYAL SOC CHEMISTRY2024

High-throughput spatiotemporal monitoring of single-cell secretions via plasmonic microwell arrays

Hatice Altug, Yen-Cheng Liu, Saeid Ansaryan

Methods for the analysis of cell secretions at the single-cell level only provide semiquantitative endpoint readouts. Here we describe a microwell array for the real-time spatiotemporal monitoring of extracellular secretions from hundreds of single cells i ...

NATURE PORTFOLIO2023

Label-free plasmonic microarray for multiplexed analysis of cells and tumor organoids

Yen-Cheng Liu

Investigating the dynamic activities of protein expression and signaling in living organisms is a crucial focus of intense research aimed at elucidating the processes that underlie disease progression and improving treatments and drug development. Resolvin ...

EPFL2023

Retarding solid-state reactions enable efficient and stable all-inorganic perovskite solar cells and modules

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Rosario Scopelliti, Zhaofu Fei, Farzaneh Fadaei Tirani, Yong Ding, Bin Ding, Yen-Cheng Liu, Hiroyuki Kanda, Olga Syzgantseva

All-inorganic CsPbI3 perovskite solar cells (PSCs) with efficiencies exceeding 20% are ideal candidates for appli-cation in large-scale tandem solar cells. However, there are still two major obstacles hindering their scale-up: (i) the inhomogeneous solid-s ...

AMER ASSOC ADVANCEMENT SCIENCE2023

Single-crystalline TiO2 nanoparticles for stable and efficient perovskite modules

Mohammad Khaja Nazeeruddin, Paul Joseph Dyson, Yong Ding, Bin Ding, Yen-Cheng Liu, Hiroyuki Kanda, Wen Luo, Valentin Ianis Emmanuel Queloz, Keith Gregory Brooks

The incorporation of electron transport layers based on single-crystalline TiO2 rhombohedral nanoparticles enables the realization of stable and efficient large-area perovskite solar cell modules. ...

Nature Portfolio2022

Molecular profiling of tumor-specific cytolytic CD4 T cells in human cancer

Hatice Altug, Xiaokang Li, Xuan Li, Yen-Cheng Liu

WILEY2022

Real-time monitoring of single-cell secretion with a high-throughput nanoplasmonic microarray

Hatice Altug, Xiaokang Li, Yen-Cheng Liu, Saeid Ansaryan, Eduardo Romero Arvelo

Proteins secreted by cells play significant roles in mediating many physiological, developmental, and pathological processes due to their functions in intra/intercellular communication and signaling. Conventional end-point methods are insufficient for unde ...

Elsevier2022