Scientists develop a highly efficient material that transforms light and moisture into precise mechanical movements and ...

Photo cropped from the original by Cmichel67/CC BY-SA 4.0 January 22, 2025 Consulting firm Tetra Tech EC Inc. agreed to pay $97 million as part of a deal to settle civil claims brought by federal ...

Tetra Tech, Inc. TTEK is witnessing solid orders from the U.S. federal, U.S. state & local, U.S. commercial and international client sectors. Its Government Services Group segment is benefiting ...

1). Porphyrin staining was present around the rat's eyes and on his front feet (Fig. 1). Several days later, another rat presented with history and clinical signs similar to those of the first rat.

Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093-0309, United States Program in Materials Science and Engineering, University of California, ...

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Slippery liquid-infused porous surfaces (SLIPSs) are a class of surface that offers ...

Among PS structures commonly employed in aPDT (Table 1), acridine orange was the first used, and tetrapyrrole macrocycles such as porphyrins, chlorins, bacteriochlorins, and synthetic phthalocyanines ...