A novel viologen-based hybrid crystalline material for photochromic glass films, information storage and anti-counterfeiting.

Information storage and anti-counterfeiting are two very important applications of photochromic materials. Photochromic materials with both information storage and anti-counterfeiting should meet the requirements including fast coloration, good stability and reversibility, low storage cost, and practical application value. Herein, a novel viologen-based coordination polymer, Cd[(pbpy)(HBTC)Cl]·2HO (1) (pbpy = 1,1'-[1,4-phenylenebis-(methylene)]bis(4,4'-bipyridinium); HBTC = 1,3,5-benzenetricarboxylic acid), has been constructed.

Interactive effects of pH and aluminum on the secretion of organic acid anions by roots and related metabolic factors in Citrus sinensis roots and leaves.

Low pH and aluminum (Al)-toxicity often coexist in acidic soils. Citrus sinensis seedlings were treated with nutrient solution at a pH of 2.5, 3.

Increasing Nutrient Solution pH Alleviated Aluminum-Induced Inhibition of Growth and Impairment of Photosynthetic Electron Transport Chain in Seedlings.

Although the physiological and molecular responses of to Al-toxicity or low pH have been examined in some details, little information is available on responses to pH and aluminum (Al) interactions. seedlings were irrigated for 18 weeks with nutrient solution at a concentration of 0 or 1 mM AlCl•6HO and a pH of 2.5, 3.

Aluminum effects on photosynthesis, reactive oxygen species and methylglyoxal detoxification in two Citrus species differing in aluminum tolerance.

Citrus are mainly grown in low pH soils with high active aluminum (Al). 'Xuegan' (Citrus sinensis (L.) Osbeck) and 'Shatian pummelo' (Citrus grandis (L.

[A 2-year follow-up results of knee arthroscopic synovectomy plus disease modifying antirheumatic drugs for the treatment of rheumatoid arthritis].

Objective: To evaluate the clinical efficacy of knee arthroscopic synovectomy plus disease-modifying antirheumatic drug (DMARD) for the treatment of rheumatoid arthritis (RA) patients.

Methods: A total of 97 RA patients were treated with knee arthroscopic synovectomy plus DMARD after arthroscopy. The control group received only DMARD.

[Significance of arthroscopy in the diagnosis of unilateral knee arthritis].

Objective: To investigate the role of arthroscopy in the diagnosis of unilateral knee arthritis of unknown causes.

Methods: During December 2005 to February 2008,74 patients of unilateral knee arthritis of unknown origins were treated with arthroscopy. And magnetic resonance imaging (MRI) scans were performed for all of them before knee arthroscopy.