Recherche

Afficher tous les résultats pour

Accueil

Personne

Hatice Altug

À propos
Confidentialité
Mentions légales

Graph Chatbot

Publications associées (123)

Infrared Metasurface Augmented by Deep Learning for Monitoring Dynamics between All Major Classes of Biomolecules

Hatice Altug, Aurélian Michel John-Herpin, Deepthy Kavungal, Lea Katharina Von Mücke

Insights into the fascinating molecular world of biological processes are crucial for understanding diseases, developing diagnostics, and effective therapeutics. These processes are complex as they involve interactions between four major classes of biomole ...

Wiley-V C H Verlag Gmbh2021

Imaging-based Optofluidic Biosensors Enabled by All-dielectric metasurfaces

Michele De Palma, Hatice Altug, Chiara Cianciaruso, Yasaman Jahani, Eduardo Romero Arvelo

We present optofluidic label-free biosensors leveraging high quality-factor resonances emanated from bound-states-in-the-continuum and novel data processing. The sensors are based on imaging and offer solutions to remove sophisticated spectroscopy instrume ...

IEEE2021

Comparison and Verification of Simulation Results of DeST Based on ASHRAE-140 Standard

Hatice Altug, Andreas Tittl, Aleksandrs Leitis

Based on the ASHRAE Standard 140-2014, this study takes the simulation results of DeST and other simulation software to comprehensively test the accuracy and validity of DeST in calculating building thermal loads and space cooling and heating equipment per ...

IEEE2021

Reply to 'Physical limitations on broadband invisibility based on fast-light media'

Hatice Altug, Dordaneh Etezadi, Foziyeh Sohrabi, Ershad Mohammadi

Nature Research2021

All-Dielectric Programmable Huygens' Metasurfaces

Hatice Altug, Andreas Tittl, Aleksandrs Leitis

Low-loss nanostructured dielectric metasurfaces have emerged as a breakthrough platform for ultrathin optics and cutting-edge photonic applications, including beam shaping, focusing, and holography. However, the static nature of their constituent materials ...

2020

Tumor-Specific Cytolytic Cd4 T Cells Mediate Protective Immunity Against Human Cancer

David Gfeller, Pedro Romero, Amélie Cachot, Hatice Altug, Margaux Saillard, Xiaokang Li, George Coukos, Yen-Cheng Liu, Alexandre Harari, Alexander Mathis

BMJ PUBLISHING GROUP2020

Arbitrarily high time bandwidth performance in a nonreciprocal optical resonator with broken time invariance

Camille Sophie Brès, Hatice Altug, Davide Grassani, Simon Julien Fabbri, Ivan Cardea, Kosmas Tsakmakidis

Most present-day resonant systems, throughout physics and engineering, are characterized by a strict time-reversal symmetry between the rates of energy coupled in and out of the system, which leads to a trade-off between how long a wave can be stored in th ...

Nature Research2020

Hybrid Metal-Dielectric Metasurfaces for Refractive Index Sensing

Christian Santschi, Olivier Martin, Raziman Thottungal Valapu, Hatice Altug, Dordaneh Etezadi, Debdatta Ray

Hybrid metal-dielectric nanostructures have recently gained prominence because they combine strong field enhancement of plasmonic metals and the several low-loss radiation channels of dielectric resonators, which are qualities pertaining to the best of bot ...

AMER CHEMICAL SOC2020

Fabrication of Sub-10-nm Plasmonic Gaps for Ultra-Sensitive Raman Spectroscopy

Hatice Altug, Arif Engin Cetin

The past two decades have witnessed the explosion of activities in the field of surface enhanced Raman spectroscopy (SERS). SERS platforms employ nano-structures that excite plasmonic modes with large local electromagnetic fields localized within small gap ...

SPRINGER2020

An integrated nanoplasmonic biosensor for monitoring cytokine secretion from single cells

Hatice Altug, Alexander Belushkin, Filiz Yesilköy, Xiaokang Li, George Coukos, 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

Enhanced Circular Dichroism and Chiral Sensing with Bound States in the Continuum

Hatice Altug, Andreas Tittl, Yasaman Jahani

We reveal that optical chirality at the nanoscale can be boosted dramatically by bound states in the continuum (BIC). We predict the enhancement of chiroptical signals from nanostructures supporting quasi-BICs in mid-IR with a record-high efficiency. (C) 2 ...

IEEE2019

Angle-multiplexed all-dielectric metasurfaces for broadband molecular fingerprint retrieval

Hatice Altug, Andreas Tittl, Aleksandrs Leitis, Bang Hyun Lee, Mingkai Liu

Infrared spectroscopy resolves the structure of molecules by detecting their characteristic vibrational fingerprints. Subwavelength light confinement and nanophotonic enhancement have extended the scope of this technique for monolayer studies. However, cur ...

2019

Early sepsis diagnosis via protein and miRNA biomarkers using a novel point-of-care photonic biosensor

Hatice Altug, Alexander Belushkin

y Sepsis is a condition characterized by a severe stage of blood-infection often leading to tissue damage, organ failure and finally death. Fast diagnosis and identification of the sepsis stage (sepsis, severe sepsis or septic shock) is critical for the pa ...

ELSEVIER SCIENCE BV2019

Ultrasensitive hyperspectral imaging and biodetection enabled by dielectric metasurfaces

Volkan Cevher, Hatice Altug, Filiz Yesilköy, Andreas Tittl, Yasaman Jahani, Eduardo Romero Arvelo, Mingkai Liu

Metasurfaces based on resonant subwavelength photonic structures enable novel ways of wavefront control and light focusing, underpinning a new generation of flat-optics devices. Recently emerged all-dielectric asymmetric metasurfaces, composed of arrays of ...

Nature Publishing Group2019

Label-free Bacteria Quantification in Blood Plasma by a Bioprinted Microarray Based Interferometric Point-of-Care Device

Hatice Altug, Alexander Belushkin, Filiz Yesilköy

Existing clinical methods for bacteria detection lack speed, sensitivity, and, importantly, point-of-care (PoC) applicability. Thus, finding ways to push the sensitivity of clinical PoC biosensing technologies is crucial. Here we report a portable PoC devi ...

AMER CHEMICAL SOC2019

Method and spectrometer apparatus for investigating an infrared absorption of a sample

Hatice Altug, Andreas Tittl, Aleksandrs Leitis

A method of investigating a sample (1) having an absorption within an infrared spectral range of interest, comprises the steps of creating measuring light (2) with a light source device (10), wherein the measuring light (2) includes wavelengths covering th ...

2019

Integrated Nanophotonic Biosensors for Point-of Care Diagnostics and Bioanalytical Applications

Hatice Altug, Alexander Belushkin, Filiz Yesilköy, Xiaokang Li, Yasaman Jahani

In an effort to address the requirements of next-generation healthcare systems, including personalized medicine, point-of-care diagnostics, and global health surveillance, I will introduce imaging-based portable nanoplasmonic biosensors integrated with mic ...

IEEE2019

Ultrabroadband 3D invisibility with fast-light cloaks

Hatice Altug, Dordaneh Etezadi, Kosmas Tsakmakidis, Foziyeh Sohrabi, Ershad Mohammadi

An invisibility cloak should completely hide an object from an observer, ideally across the visible spectrum and for all angles of incidence and polarizations of light, in three dimensions. However, until now, all such devices have been limited to either s ...

Nature Research2019

Plasmonic biosensor

Hatice Altug, Alexander Belushkin, Filiz Yesilköy

The present invention relates to a plasmonic biosensor system. The system includes a nano-hole array device comprising at least one nano-hole array (NHA) including at least one or a plurality of nano holes (NH), an image sensor (A3) for capturing light pro ...

2019

Rapid and Digital Detection of Inflammatory Biomarkers Enabled by a Novel Portable Nanoplasmonic Imager

Hatice Altug, Alexander Belushkin, Filiz Yesilköy

New point-of-care diagnostic devices are urgently needed for rapid and accurate diagnosis, particularly in the management of life-threatening infections and sepsis, where immediate treatment is key. Sepsis is a critical condition caused by systemic respons ...

2019

Page 3 sur 7