Sökning: "Johan Sandell"

Hittade 2 avhandlingar innehållade orden Johan Sandell.

1. 1. Development of radioligands for the serotonergic neurotransmission system for use in positron emission tomography

   Författare :Johan Sandell; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :PET; Radioligand; Brain; 5-HT1A receptor; serotonin transporter;

   Sammanfattning : The serotonergic system is implicated in several neuropsychiatric disorders, such as depression, anxiety and schizophrenia. Several hypotheses on the pathophysiology of these disorders are based on the pharmacology of serotonergic drugs. Selective serotonin reuptake inhibitors (SSRIs) are widely used for the treatment of depression and anxiety. LÄS MER

3. 2. Ultrasound Communication through Thin Plates: Understanding the Channel

   Författare :Asra Ashraf; Jaap van de Beek; Johan E. Carlson; Magnus Sandell; Luleå tekniska universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Signalbehandling; Signal Processing;

   Sammanfattning : Ultrasound, composed of sound waves with frequencies above the human audible range, has become widely used in various technological fields for digital communications. In the past, acoustic and ultrasonic waves were employed in military and commercial un-derwater wireless communication systems due to their superior performance compared to electromagnetic waves. LÄS MER