Label-free third harmonic generation imaging and quantification of lipid droplets in live filamentous fungi

T Pajić, NV Todorović, M Živić, SN Nikolić… - Scientific Reports, 2022 - nature.com
We report the utilization of Third-Harmonic Generation microscopy for label-free live cell
imaging of lipid droplets in the hypha of filamentous fungus Phycomyces blakesleeanus …

Structure and principles of self-assembly of giant “sea urchin” type sulfonatophenyl porphine aggregates

M Pleckaitis, F Habach, L Kontenis, G Steinbach… - Nano Research, 2022 - Springer
Principles of molecular self-assembly into giant hierarchical structures of hundreds of
micrometers in size are studied in aggregates of meso-tetra (4-sulfonatophenyl) porphine …

Polarimetric second harmonic generation microscopy: An analytical tool for starch bioengineering

R Cisek, D Tokarz, L Kontenis, V Barzda… - Starch …, 2018 - Wiley Online Library
Second harmonic generation (SHG) is a nonlinear optical process that inherently generates
signal in non‐centrosymmetric materials, such as starch granules, and therefore can be …

Investigation into the structure of crystalline maltodextrin particles by second harmonic generation microscopy

E Bennett, MA Harvey, R Cisek… - Biomedical Optics Express, 2023 - opg.optica.org
Crystalline maltodextrin particles (CMPs) were investigated using polarization-sensitive
second harmonic generation (PSHG) microscopy to determine changes in their crystalline …

Second harmonic generation microscopy investigation of the crystalline ultrastructure of three barley starch lines affected by hydration

R Cisek, D Tokarz, M Steup, IJ Tetlow… - Biomedical optics …, 2015 - opg.optica.org
Second harmonic generation (SHG) microscopy is employed to study changes in crystalline
organization due to altered gene expression and hydration in barley starch granules. SHG …

Synthetic spatial aperture holographic third harmonic generation microscopy

Y Farah, G Murray, J Field, M Varughese, L Wang… - Optica, 2024 - opg.optica.org
Third harmonic generation (THG) provides a valuable, label-free approach to imaging
biological systems. To date, THG microscopy has been performed using point-scanning …

Second harmonic generation mediated by aligned water in starch granules

R Cisek, D Tokarz, S Krouglov, M Steup… - The Journal of …, 2014 - ACS Publications
The origin of second harmonic generation (SHG) in starch granules was investigated using
ab initio quantum mechanical modeling and experimentally examined using polarization-in …

Organic Polar Crystals, Second Harmonic Generation, and Piezoelectric Effects from Heteroadamantanes in the Space Group R3m

K Abdur‐Rashid, SK Saha, J Mugisha… - … A European Journal, 2024 - Wiley Online Library
Polar crystalline materials, a subset of the non‐centrosymmetric materials, are highly sought
after. Their symmetry properties make them pyroelectric and also piezoelectric and capable …

Organization of Astaxanthin within Oil Bodies of Haematococcus pluvialis Studied with Polarization-Dependent Harmonic Generation Microscopy

D Tokarz, R Cisek, O El-Ansari, GS Espie, U Fekl… - PLoS …, 2014 - journals.plos.org
Nonlinear optical microscopy was used to image the localization of astaxanthin
accumulation in the green alga, Haematococcus pluvialis. Polarization-in, polarization-out …

Crystal lattice determination of ZnSe nanowires with polarization-dependent second harmonic generation microscopy

R Cisek, D Tokarz, N Hirmiz, A Saxena, A Shik… - …, 2014 - iopscience.iop.org
We demonstrate a noninvasive optical microscopy technique based on polarization-
dependent second harmonic generation for determining the crystal lattice structure and …