He conducted a number of experiments and studies including , advanced microgravity tissue engineering techniques , electromagnetic levitation platform capability , colloid behavior , Radio - tracer studies of altered human erythropoetic function , and human microgravity physiology studies .
David Wolf spent 128 days aboard space station Mir .
David Wolf conducted a number of experiments and studies including , advanced microgravity tissue engineering techniques , electromagnetic levitation platform capability , colloid behavior , Radio - tracer studies of altered human erythropoetic function , and human microgravity physiology studies .
David Wolf spent 128 days aboard space station Mir .