Nigerian-born, U.S.-based artist Njideka Akunyili explores the dynamics of her culture and community through mixed-media art, melding limitless combinations of acrylic, charcoal, pastel, marble dust, colored pencils, oil, fabric or Xerox transfers into figurative collages with distinct narratives. Both critics and collectors have responded positively to her work. At Art Basel in 2012, five of her large collage paintings sold…