The Effects of Extended-Access Cocaine Self-Administration on Working Memory Performance, Reversal Learning and Incubation of Cocaine-Seeking in Adult Male Rats

Gold is sold in the form of coins, biscuits, bars, jewellery, artwork and watches since gold is one of the precious metals. Its value encourages the criminals to commit crimes like burglary, snatching cheating and even murder in different situation. In one case, an unscrupulous trader had some genuine gold coins along with some fake ones. He sold the genuine gold coin to a shopkeeper at low cost after rudimentary check. Winning the confidence of the buyer, he started selling fake coins too. The victim understood the forgery of the cheater and lodged a complaint to police. During investigation, the accused was nabbed and the coins were recovered from the victim and accused. Subsequently the coins were sent for forensic examination. The chemical test coupled with Karatmeter, SEM-EDX (Scanning Electron Microscopy with Energy Dispersive X-ray) analysis proved that the disputed coins were fake in this case.