Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Complex shapes designed using a DNA molecular canvas. AFM images of 100 distinct shapes, including the 26 capital letters of the Latin alphabet, 10 Arabic numerals, 23 punctuation marks, other standard keyboard symbols, 10 emoticons, 9 astrological symbols, 6 Chinese characters, and various miscellaneous symbols [26].
