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An indoor academic or conference setting, likely a lecture hall at a university in Pleven, Bulgaria, is depicted. A male presenter stands behind a gray L-shaped podium positioned on the left side of the frame. He is wearing a dark long-sleeved top and an orange lanyard, with his hands resting on the podium surface. A black Acer laptop and a gooseneck microphone are present on the podium.

A large projection screen occupies the upper half of the image, displaying a scientific presentation slide titled "Dissolution: filtration vs. ultracentrifugation." The slide features a graph illustrating "Porcine bile in phosphate," comparing "Filtration" (Z-average - 250 nm) and "Ultracentrifugation" (Z-average - 100 nm) based on "API concentration, µg/mL" over "Time, min." A textual summary on the right details the "Dissolution of the ASD in bile phosphate media," outlining significant differences in concentration, a decrease in Z-average after ultracentrifugation, measured concentrations corresponding to amorphous solubility, and the formation of nanoaggregates removed post-ultracentrifugation.

Several gray tables are arranged in front of the podium. On the table immediately to the right of the podium, a clear plastic water bottle and a white tablet device on a stand are visible. Further right, a light-colored fabric tote bag is draped over another gray table, with two dark-backed chairs positioned behind it. The room features light-colored walls, a suspended grid ceiling with recessed fluorescent lighting fixtures, and a purple baseboard or carpet strip along the wall on the right. A white electrical outlet or switch is visible on the far right wall.
Alex P

Mar 28, 2026, 10:52 AM

Pleven, Bulgaria

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An indoor academic or conference setting, likely a lecture hall at a university in Pleven, Bulgaria, is depicted. A male presenter stands behind a gray L-shaped podium positioned on the left side of the frame. He is wearing a dark long-sleeved top and an orange lanyard, with his hands resting on the podium surface. A black Acer laptop and a gooseneck microphone are present on the podium. A large projection screen occupies the upper half of the image, displaying a scientific presentation slide titled "Dissolution: filtration vs. ultracentrifugation." The slide features a graph illustrating "Porcine bile in phosphate," comparing "Filtration" (Z-average - 250 nm) and "Ultracentrifugation" (Z-average - 100 nm) based on "API concentration, µg/mL" over "Time, min." A textual summary on the right details the "Dissolution of the ASD in bile phosphate media," outlining significant differences in concentration, a decrease in Z-average after ultracentrifugation, measured concentrations corresponding to amorphous solubility, and the formation of nanoaggregates removed post-ultracentrifugation. Several gray tables are arranged in front of the podium. On the table immediately to the right of the podium, a clear plastic water bottle and a white tablet device on a stand are visible. Further right, a light-colored fabric tote bag is draped over another gray table, with two dark-backed chairs positioned behind it. The room features light-colored walls, a suspended grid ceiling with recessed fluorescent lighting fixtures, and a purple baseboard or carpet strip along the wall on the right. A white electrical outlet or switch is visible on the far right wall.

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Alex P

Mar 28, 2026, 10:52 AM

Pleven, Bulgaria

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