Eden Research, an agrochemical and encapsulation development company, has placed 12.23m shares at 9.0p each, prompting a drop in the share price.The £1.1m proceeds (before expenses) will be used to develop and exploit the company's co-encapsulation process and to research and develop other applications, such as wound-care and dental hygiene, as well as providing general working capital. Shares in the company fell 7.69% to 10.50p by 14:55.NR