Western dance clip-art Vector black silhouette with country dancers feet in cowboy boots, no white objects, EPS 8 polka dancing stock illustrations abstract blue pixelated half tone polka dots ...

In this study, we fabricated functionalized carbon dots (CDs) with distinctive photoluminescence and low cytotoxicity for use as fluorescence imaging probes and nanocarriers to deliver plasmid DNAs to ...

We propose a new technique to convert a binary image with halftone dots into its vector representation. Resolution conversion of a binary image can easily be performed without moire by using a ...

Umbrella. Romantic turquoise umbrella in white polka dots vector... Polka Dot Black and White Umbrella illustration. One single object, bright positive pattern, cute and unique design. Hand painted ...

Clip art comes from a time when computers had limited memory, storage space, and low screen resolution; back then, simple vector art made sense. Today, with high-resolution displays everywhere and ...