Publications de Maria Soler Aznar

An integrated nanoplasmonic biosensor for monitoring cytokine secretion from single cells

Hatice Altug, Xiaokang Li, George Coukos, Filiz Yesilköy, Alexander Belushkin, Maria Soler Aznar

An innovative nanoplasmonic biosensor was presented for real-time label-free monitoring of cytokine secretion at single-cell resolution. This biosensor is integrated with a uniquely designed microfluidic device that provides a microchamber for cell incubat ...

IEEE2019

Mining the Potential of Label-Free Biosensors for In Vitro Antipsychotic Drug Screening

Sandro Carrara, Tugba Kilic, Hatice Altug, Maria Soler Aznar

The pharmaceutical industry is facing enormous challenges due to high drug attribution rates. For the past decades, novel methods have been developed for safety and efficacy testing, as well as for improving early development stages. In vitro screening met ...

2018

Label-Free Optofluidic Nanobiosensor Enables Real-Time Analysis of Single-Cell Cytokine Secretion

Hatice Altug, Xiaokang Li, George Coukos, Maria Soler Aznar

Single-cell analysis of cytokine secretion is essential to understand the heterogeneity of cellular functionalities and develop novel therapies for multiple diseases. Unraveling the dynamic secretion process at single-cell resolution reveals the real-time ...

2018

Two-Dimensional Label-Free Affinity Analysis of Tumor-Specific CD8 T Cells with a Biomimetic Plasmonic Sensor

Hatice Altug, Xiaokang Li, George Coukos, Maria Soler Aznar, Aurélian Michel John-Herpin

The screening and analysis of T cells functional avidity for specific tumor-associated antigens is crucial for the development of personalized immunotherapies against cancer. The affinity and kinetics of a T cell receptor (TCR) binding to the peptide-major ...

AMER CHEMICAL SOC2018

Towards a point-of-care nanoplasmonic biosensor for rapid and multiplexed detection of pathogenic infections

Hatice Altug, Xiaokang Li, Filiz Yesilköy, Alexander Belushkin, Maria Soler Aznar

The implementation of multiplexed point-of-care biosensors is a top priority to address the current epidemic problems originated by widespread pathogenic infections, like those caused by viruses or bacteria. A rapid and accurate detection, identification, ...

SPIE-INT SOC OPTICAL ENGINEERING2018

Optofluidic nanoplasmonic biosensor for label-free live cell analysis in real time

Hatice Altug, Xiaokang Li, Alexander Belushkin, Filiz Yesilköy, Maria Soler Aznar

Cell signaling activities play a critical role in physiological and disease processes. The analysis of the tumor microenvironment or the immune system activation is nowadays providing valuable insights towards disease understanding and novel therapies deve ...

2018

Plasmonic nanohole array biosensor for label-free and real-time analysis of live cell secretion

Hatice Altug, Xiaokang Li, Filiz Yesilköy, Alexander Belushkin, Maria Soler Aznar, Cenk Ibrahim Özdemir

Cell secretion dynamics plays a central role in physiological and disease processes. Due to its various temporal profiles, it is essential to implement a precise detection scheme for continuous monitoring of secretion in real time. The current fluorescent ...

Royal Society of Chemistry2017

Recent advances in nanoplasmonic biosensors: applications and lab-on-a-chip integration

Maria Soler Aznar

Motivated by the recent progress in the nanofabrication field and the increasing demand for cost--effective, portable, and easy-to-use point-of-care platforms, localized surface plasmon resonance (LSPR) biosensors have been subjected to a great scientific ...

Walter De Gruyter Gmbh2017

Multiplexed nanoplasmonic biosensor for one-step simultaneous detection of Chlamydia trachomatis and Neisseria gonorrhoeae in urine

Hatice Altug, Maria Soler Aznar, Andrea Cavallini, Alexander Belushkin

Development of rapid and multiplexed diagnostic tools is a top priority to address the current epidemic problem of sexually transmitted diseases. Here we introduce a novel nanoplasmonic biosensor for simultaneous detection of the two most common bacterial ...

2017

Label-free nanoplasmonic sensing of tumor-associate autoantibodies for early diagnosis of colorectal cancer

Maria Soler Aznar

Colorectal cancer is treatable and curable when detected at early stages. However there is a lack of less invasive and more specific screening and diagnosis methods which would facilitate its prompt identification. Blood circulating autoantibodies which ar ...

Elsevier Science Bv2016