Home - Applied nanoPhysics Group

Center for Bionanoscience Research (CIBION), National Scientific and Technical Research Council (CONICET)
Physics Department, Faculty of Exact and Natural Sciences, University of Buenos Aires (UBA)

Using optical methods, we explore the properties and technological applications of nanoparticles, single molecules, nanostructured materials, supramolecular assemblies, biological and hybrid nanosystems.

The Applied nanoPhysics Group was launched in October 2009 at the Physics Department, Faculty of Exact and Natural Sciences, of the University of Buenos Aires (UBA)

In 2012 we moved our labs to the Center for Bionanoscience Research (CIBION) of the National Scientific and Technical Research Council (CONICET), while Prof. Stefani still holds his position at the Physics Department of the University of Buenos Aires.

CURRENT RESEARCH ACTIVITIES

Fluorescence nanoscopy.

Super-resolution fluorescence microscopy, also known as fluorescence nanoscopy, has revolutionized biological imaging because they provide deep sub-wavelenght spatial resolution while keeping the low-invasiveness of far-field optical interrogation. We apply and optimize well-established methods like STED and STORM, and develop new ones, such as MINFLUX, and open-source software for fluorescence nanoscopy. With them, we address questions of cellular and neuronal biology.

Optical printing colloidal nanoparticles.

Colloidal chemistry enables the fabrication of nanoparticles of different shapes, sizes and material compositions, that exhibit unique physical and chemical properties, inexistent in bulk materials. In order to make use of those properties in devices and circuits, it is necessary to develope methods to bring the colloidal nanoparticles from the liquid phase to specific locations of solid substrates. We address this challenge using optical forces.

Self-assembled Nanophotonic Devices.

Semiconductor-based devices are approaching intrinsic limits of speed and heat dissipation.
Optical devices are faster and practically loss-less, but their size miniaturization is limited by the wavelength of light. Nanophotonics and Plasmonics deals with the manipulation of light at the nanoscale. We investigate light-matter interaction between single-photon emitters and metallic nanoparticles organized in nanodevices by self-assembly.

LATESTS NEWS

Congratulations to Physicist Germán Chiarelli

nano_x7n4r02020-05-20T21:39:26+00:00February 28th, 2018|

German Chiarelli obtained his degree in Physics at the University of Buenos Aires with his work on "Optical printing of colloidal nanoparticles in a microfluidic cell" Congratulations Germán!!

Dr. Ianina Violi new member of CONICET

nano_x7n4r02020-05-20T21:42:29+00:00December 29th, 2017|

Dr. Ianina Violi has been elected to join the National Scientific and Technical Research Council (CONICET) as Assistant Researcher, directed by Dr. Galo Soler Illia and co-directed by Prof. Fernando D. Stefani. On a very competitive contest, Ianina was one of the 17 new researchers selected to join CONICET in [...]

MINFLUX as 2017 top-ten breakthrough in Physics

nano_x7n4r02021-03-22T01:45:14+00:00December 12th, 2017|

Every year, Physics World, the world's leading physics magazine published by the Institute of Physics, selects the 10 major contributions made for the advancement of Physics. We are proud and happy to see that MINFLUX has been included in this short list: 2017 top-ten achievements in Physics according to the [...]

OSA Student Chapter – 2nd Metting of Young Researchers in Optics and Photophysics

nano_x7n4r02020-05-21T21:18:48+00:00December 2nd, 2017|

After the success of the first meeting, CIBION hosted the 2nd Metting of Young Researchers in Optics and Photophysics sponsored by the Optical Society of America through its Student Chapter. Again, it was a great success. Congratulations to the local organizers and all participants. We look forward to the next [...]

New open-source software for the quantification of protein periodic structures

nano_x7n4r02021-03-22T11:47:31+00:00November 23rd, 2017|

Fluorescence nanoscopy is enabling the visualization and discovery of periodic protein structures in their natural environment. Remarkable examples are the nuclear pore complex or the membrane-associated periodic cytoskeleton of neurons (MPS). The MPS of neurons can be visualized by fluorescence nanoscopy (e.g. STED) but is invisible using conventional microscopy (e.g. [...]

Se reduce nuevamente el presupuesto para Ciencia y Tecnología

nano_x7n4r02020-06-02T21:54:17+00:00November 21st, 2017|

Es importante que los miembros de la comunidad científica y sus socios industriales conozcan la evolución de la inversión pública en el sistema científico-tecnológico. El proyecto de ley de presupuesto enviado por el Poder Ejecutivo Nacional (PEN) plantea una nueva reducción de la inversión pública en ciencia y técnica. Para [...]

Happy 60th birthday Niek van Hulst!

nano_x7n4r02020-05-20T23:27:30+00:00October 21st, 2017|

On friday 20th of October, friends and colleagues of Prof. Dr. Niek van Hulst came together from around the globe, to celebrate his 60th birthday discussing some of Niek´s favorite topics in Nanophotonics: Manipulation and control of molecular beams Precision spectroscopy of molecular hydrogen and the search for new physics [...]

Dr. Guillermo Acuna visiting professor

nano_x7n4r02021-03-22T11:51:55+00:00October 10th, 2017|

Our close collaborator Dr. Guillermo Acuna from the Technical University of Braunschweig (Germany) was in Buenos Aires, from September 5th to October 7th, as visiting professor of the Faculty of Exact and Natural Sciences of the University of Buenos Aires. Dr. Guillermo Acuna giving a lecture at the Physics Department [...]