Food allergy symptoms can start quickly after eating and may last from minutes to a couple of days. Seasonal allergy symptoms can last for weeks or even months if exposure to the allergen continues.

Plants are constantly exposed to sudden changes in environmental parameters and must respond quickly to changes in temperature, humidity and light conditions. Such fluctuations in growth conditions ...

1 College of Medical Engineering, Jining Medical University, Jining, China 2 School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Benxi, China As a member of the ...

A reaction mechanism is a sequence of elementary reactions that can explain how an overall chemical reaction proceeds. The 1,n-metal migration process provides a unique pathway for constructing ...

Department of Biochemistry, Osaka Medical College, 2-7 Daigakumachi, Takatsuki 569-8686, Japan, and Department of Chemistry, Graduate School of Science, Osaka City University, Osaka 558-8585, Japan ...

Interface dermatitis (ID) is an itchy rash with small, water-filled blisters often caused by an immune condition or allergic reaction. Fungal infections like athlete's foot are a common cause of ID, ...

MANY asymmetric syntheses of α-amino -acids have been reported 1–17. Several of these were made on the non-enzyme synthesis of optically active amino-acids from their corresponding α-keto-acids 1,4,13 ...

In 1942, the Manhattan Project needed to create a chain reaction—a crucial step toward proving that it would be possible to make an atomic bomb. The scientists achieved this sustained nuclear reaction ...