Imaging of biological cells using luminescent silver nanoparticles

V Kravets, Z Almemar, K Jiang, K Culhane… - Nanoscale research …, 2016 - Springer
The application of luminescent silver nanoparticles as imaging agents for neural stem and
rat basophilic leukemia cells was demonstrated. The experimental size dependence of the …

Gamma glycine enhances efficiency of organic hybrid piezoelectric-triboelectric nanogenerators

S Ukasi, P Jutapukti, C Ninthub, N Pinpru, P Pakawanit… - Nano Energy, 2024 - Elsevier
This study presents a comprehensive exploration of enhancing the electrical output of
flexible hybrid piezoelectric-triboelectric nanogenerators (P-TENG) through the …

Controlling polymorphism in pharmaceutical compounds using solution shearing

SM Guthrie, DM Smilgies, G Giri - Crystal Growth & Design, 2018 - ACS Publications
In this work, two model pharmaceutical compounds, glycine and acetaminophen, were
crystallized using a flow coating technique termed solution shearing to create thin films with …

Mapping the evolution of pure CO2 ices irradiated by ions, UV, and electrons using the upgraded PROCODA code (employing an effective rate constant ordering by …

S Pilling, WRM Rocha, GA Carvalho… - Advances in Space …, 2023 - Elsevier
Chemical reactions and desorption processes are being triggered by incoming ionizing
radiation over astrophysical ices in cold space environments. The quantification of these …

The effect of broadband soft X-rays in SO2-containing ices: implications on the photochemistry of ices toward young stellar objects

S Pilling, A Bergantini - The Astrophysical Journal, 2015 - iopscience.iop.org
We investigate the effects produced mainly by broadband soft X-rays up to 2 keV (plus fast
(∼ keV) photoelectrons and low-energy (∼ eV) induced secondary electrons) in the ice …

Determination of optical constants n and k of thin films from absorbance data using Kramers–Kronig relationship

WRM Rocha, S Pilling - Spectrochimica Acta Part A: Molecular and …, 2014 - Elsevier
We present a code, called NKABS, to determine optical constants (complex refractive index)
of thin films directly from the absorbance data in the infrared. The code is written in the …

Chemical evolution of organic molecules under Mars-like UV radiation conditions simulated in the laboratory with the “Mars organic molecule irradiation and evolution …

O Poch, A Noblet, F Stalport, JJ Correia… - Planetary and Space …, 2013 - Elsevier
Understanding the evolution of organic matter on Mars is a major goal to drive and discuss
past, present and future in situ analyses. Here we demonstrate the ability of the MOMIE (for …

Radiolysis of amino acids by heavy and energetic cosmic ray analogues in simulated space environments: α-glycine zwitterion form

W Portugal, S Pilling, P Boduch… - Monthly Notices of …, 2014 - academic.oup.com
In this work, we studied the stability of the glycine molecule in the crystalline zwitterion form,
known as α-glycine (+ NH3CH2COO−), under the action of heavy cosmic ray analogues …

Ultraviolet photoprocessing of glycine adsorbed on various space-relevant minerals

G Poggiali, T Fornaro, S Potenti, MA Corazzi… - Frontiers in Astronomy …, 2020 - frontiersin.org
The discovery of amino acids such as glycine on meteorites and comets confirms the role of
small bodies as transport and delivery vehicles of building blocks of life on Earth and …

Valine Radiolysis by H+, He+, N+, and S15+ MeV Ions

CAP Costa, GSV Muniz, P Boduch, H Rothard… - International journal of …, 2020 - mdpi.com
Radiolysis of biomolecules by fast ions has interest in medical applications and
astrobiology. The radiolysis of solid D-valine (0.2–2 μm thick) was performed at room …