Biological synthesis of gold nanoparticles by the diatom Stephanopyxis turris and in vivo SERS analyses

N Pytlik, J Kaden, M Finger, J Naumann, S Wanke… - Algal research, 2017 - Elsevier
Cultivation of the sea water diatom Stephanopyxis turris (S. turris) in a gold salt containing
medium leads to the formation of gold nanoparticles. These biosynthesized nanoparticles …

Comprehensive mineralogical and physicochemical characterization of recent sapropels from Romanian saline lakes for potential use in pelotherapy

A Baricz, EA Levei, M Șenilă, SC Pînzaru, M Aluaş… - Scientific Reports, 2021 - nature.com
In this study we aimed to compare the mineralogical, thermal, physicochemical, and
biological characteristics of recent organic carbon-rich sediments ('sapropels') from three …

Novel drug carrier: 5-Fluorouracil formulation in nanoporous biogenic Mg-calcite from blue crab shells—Proof of concept

G Lazar, F Nekvapil, R Hirian, B Glamuzina… - ACS …, 2021 - ACS Publications
The ever-growing demand for novel, cheaper, and more effective drugs has put
nanomedicine and targeted drug delivery to the forefront of scientific innovation. Owing to its …

Novel approach to freshwater diatom profiling and identification using Raman spectroscopy and chemometric analysis

R Pinto, R Vilarinho, AP Carvalho, JA Moreira… - Water, 2022 - mdpi.com
(1) An approach with great potential for fast and cost-effective profiling and identification of
diatoms in lake ecosystems is presented herein. This approach takes advantage of Raman …

Mechanisms of silver nanoparticle toxicity to the coastal marine diatom Chaetoceros curvisetus

P Lodeiro, TJ Browning, EP Achterberg, A Guillou… - Scientific Reports, 2017 - nature.com
Inputs of silver nanoparticles (AgNPs) to marine waters continue to increase yet
mechanisms of AgNPs toxicity to marine phytoplankton are still not well resolved. This study …

Single-cell Raman micro-spectroscopy for tracking of carotenoids in cyanobacteria exposed to Mn and Zn doped ferrite nanoparticles

F Nekvapil, A Bunge, LB Tudoran… - Spectrochimica Acta Part A …, 2021 - Elsevier
Ferrite nanoparticles are increasingly produced and exploited as adsorbents for
environmental pollutants. However, their impact on the aquatic microbiota such as …

Application of SERS technique in white wines discrimination

DA Magdas, SC Pinzaru, F Guyon, I Feher, BI Cozar - Food Control, 2018 - Elsevier
The wine discrimination potential of surface-enhanced Raman scattering (SERS) technique
is reported. For this purpose, a set of 30 wines from three Romanian regions (Transylvania …

Lipophilic marine biotoxins SERS sensing in solutions and in mussel tissue

SC Pinzaru, C Müller, I Ujević, MM Venter, V Chis… - Talanta, 2018 - Elsevier
To detect and recognise three structurally related marine biotoxins responsible for the
diarrheic shellfish poisoning (DSP) symptom, namely okadaic acid (OA), dinophysistoxin-1 …

Diatoms as sensors and their applications

P De, N Mazumder - Diatom microscopy, 2022 - Wiley Online Library
Diatoms are single‐celled eukaryotic microalgae with silica‐based cell walls of various
shapes and sizes, and with a hierarchical pore structure leading to a very high surface area …

Resonance Raman and SERRS of fucoxanthin: Prospects for carotenoid quantification in live diatom cells

F Nekvapil, I Brezestean, G Lazar, C Firta… - Journal of Molecular …, 2022 - Elsevier
Fucoxanthin, one of the most abundant carotenoids in brown algae or in unicellular diatoms,
plays a crucial role in photosynthetic processes and has a significant contribution to the …