Clinical utility of tuberculosis protein chip in diagnosis of tuberculosis / 中国感染与化疗杂志

Objective To explore the potential value of tuberculosis protein chip for clinical diagnosis of tuberculosis.Methods The antibody level of tuberculosis protein ESAT-6,CFP10,16 KD,38 KD and LAM was determined in 4 093 patients,inclu-ding 441 tuberculosis and 3 652 non-tuberculosis cases by protein chip.Results The tuberculosis antibody was positive in 297 of the 441 tuberculosis cases and 647 of the 3 652 non-tuberculosis cases.Tuberculosis protein chip provided a sensitivity of 67.35% and specificity of 82.28% in the diagnosis of tuberculosis.Conclusions Tuberculosis protein chip test is a quick,easy and effective method for identifying potential tuberculosis patients with good specificity.

Effect of NaCl stress on growth and antioxidant systems of Pogostemon cablin / 中国中药杂志

<p><b>OBJECTIVE</b>To study the effects of salt stress on the growth and resistant-oxidation enzyme activities of Pogostemon cablin.</p><p><b>METHOD</b>Cutting-rooted seedlings were cultivated in the plastic flowerpot irrigated with various concentrations of NaCl (Hoagland solution) for different duration, and the height, fresh/dry weight, root vitality, SOD,POD and CAT activity, membrane permeability and MDA contents were determined.</p><p><b>RESULT</b>The growth and development of P. cablin was restrained after salt stress. The differences of salt stress of lower concentration and for a short time (less than 20 mmol x L(-1) and the 9th day) were not obvious. The fresh/ dry weight, growth rate and increasing rate of dry matter were obviously decreased with the increasing of NaCl concentration and prolonging of the time, but membrane permeability and contents of MDA were increased all along, and lipid peroxidation enhanced, while the root vitality and activities of SOD, POD and CAT were firstly increasing at lower concentration and then decreasing at higher concentration.</p><p><b>CONCLUSION</b>The growth of P. cablin depends on NaCl concentration and the treated duration.</p>

Residuals of organochlorine pesticides and heavy metals in soil and water of planting base and Liriope muscari / 中国中药杂志

<p><b>OBJECTIVE</b>To analyze the residuals of organochlorine pesticides and heavy metals in soil, water and Radix Liriopes from planting bases in Quanzhou city, and evaluate the quality of the herb.</p><p><b>METHOD</b>GC method was applied to determine residuals of organochlorine pesticides, the contents of Pb, Cd, Cu, Cr, and As were determined by IPC.</p><p><b>RESULT</b>The contents of residuals of organochlorine pesticides and heavy metals varied among the samples of soil, water and Radix liriopes, but all of the residuals met requirement of the national standard.</p><p><b>CONCLUSION</b>Residuals of organochlorine pesticides and heavy metals in soil, water and Radix liriopes from planting bases in Quanzhou city were conformed to GAP.</p>