Scientists have developed a method of using printing technology to produce simple tests related to health, well-being and the environment. They have demonstrated the efficacy of the method by printing ...

Hemoglobin is a protein in red blood cells. It carries oxygen around your body, delivering it to tissues. Hemoglobin also carries carbon dioxide to the lungs so you can breathe it out. Iron is a part ...

VTT printed the paper with antibodies that react to the sample. The test result can be read in the form of a line, for example, which either does or does not appear depending on the sample – just like ...