[Trans-areola single port endoscopic thoracic sympathectomy for the treatment of palmar hyperhidrosis: a new surgical approach].

Objective: To evaluate the cosmetic effects and safety profiles of trans-areola single port endoscopic thoracic sympathectomy.

Methods: A retrospective study was conducted for 45 males and 7 females with palmar hyperhidrosis undergoing trans-areola single port endoscopic thoracic bilateral sympathectomy during April and June 2011.

Results: All operations were successfully performed without severe morbidity and mortality.

[Holographic recording properties of BR-D96N film].

BR-D96N was a genetically mutated product of bacteriorhodopsin (BR) with obvious improved photochromic effect. Compared with the wild type BR, BR-D96N had a lifetime of M state prolonged to 5 min, showing obvious saturation absorption and lower light intensity in saturation absorption (0.4 mW/cm(2)).