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Welcome to the Materials Day 2021 Poster gallery. Posters are in the same order as they appear in the program.

1. Hend BAZA (������) “Interaction of active droplets with director gradients in nematic liquid crystal”

2. Comrun YOUSEFZADEH (������) “High efficiency tunable liquid crystal beam steering device based on FFS Pancharatnam phase”

3. Sanjoy PAUL (������) “Electrically actuated liquid crystal elastomers”

4. Marta CZAPLICKA (Institute of Physical Chemistry, Polish Academy of Sciences) “Detection of circulating tumor cells (CTCs) by SERS-based immunomagnetic optofluidic device”

5. Jiao LIU (������) “Molecular conformation of bent-core molecules affected by chiral side chains dictates polymorphism and chirality in organic nano- and microfilaments”

6. Amarasooriya JAYAWARDHANA (������) “Dual-action organoplatinum polymeric nanoparticles overcome drug resistance in ovarian cancer”

7. Thiloka DASSANAYAKE (������) “Synergistic effects of copper-vitamin C incorporated alumina nanocomposite hydrogels for burn wound healing”

8. Sylwia BERUS (Instytut Chemii Fizycznej Polskiej Akademii Nauk) “The SERS-based sensor for the detection of sexually transmitted pathogens in the male swab specimens: a new approach for gonorrhea diagnosis”

9. Ariadna NOWICKA (Institute of Physical Chemistry, Polish Academy of Sciences) “Flexible SERS platform based on PET/ITO/Ag for detection of pesticides”