Five Wisconsin tech-based companies have reported new financing rounds or grant and loan awards. ConjuGon, which is developing technologies to treat stubborn bacterial infections, has raised $1.9 million, according to a federal Securities and Exchange Commission filing. Lucigen Corp., which has focused on DNA sequencing products, will receive a $200,000 state loan. Platypus Technologies LLC has received a $396,000 grant from the National Cancer Foundation to expand an existing lab used for screening potential cancer drugs. NCD Technologies has received a $150,000 federal Small Business Innovation Research grant from the National Science Foundation to prove the feasibility of its nano-coatings for micro-cutting tools. Stratatech Corp. has closed on a funding round for $3 million of convertible notes, the Madison maker of human skin substitute products announced.