September 10, 2018 Cover
Volume 96, Issue 36
The journey to becoming a Ph.D. can feel like a roller coaster. Here’s how to hang on
Cover image:A chemistry classroom blackboard with stacks of textbooks in front of it and an Erlenmeyer flask.
Credit: Will Ludwig/C&EN/Shutterstock
Transistors decorated with DNA aptamers detect neurotransmitters
In a small clinical study, ketamine’s effects were dampened by a compound that blocks opioid receptors