A safe and efficient synthesis of 4,7-dibromo[1,2,5]thiadiazolo[3,4-d]pyridazine from the commercial diaminomaleonitrile is reported.Conditions for selective aromatic nucleophilic substitution of one or two bromine atoms by oxygen and nitrogen nucleophiles are found, Lamps whereas thiols formed the bis-derivatives only.Buchwald-Hartwig or Ullmann P
In this paper, we present a tattooing capsule endoscope (TCE) that can localize an intestinal lesion or tumor for a Hair Care Kits preoperative laparoscopic surgery.The TCE is based on a wireless capsule endoscope (WCE) structure and can be actively controlled by an external electromagnetic actuation system to move, observe, and mark the target les
Introduction: A nuclear-powered ballistic missile submarine (SSBN) is a singular professional environment, exposing personnel to isolation and confinement amidst sophisticated technology for the duration of a mission.Submariners see their mood and Tweed Caps cognition deteriorate as their mission progresses.With regard to the benefits of physical a
Microalgae-Microbial Fuel Cell (M-MFC) technology stands out as a highly promising innovation at the nexus of renewable energy and environmental conservation.This cutting-edge approach utilizes microorganisms, including bacteria and algae, to convert the chemical energy in wastewater into electricity, addressing both wastewater treatment and electr