Response surface optimisation for corona discharge treatment of nicosulfuron in water.

Sulfonylurea herbicides are the most widely used herbicides in the world, which are widely used in the prevention and control of weeds in rice, wheat, soybean and other fields. Long-term application will cause environmental pollution, and the use of plasma technology to degrade herbicides in water is expected to be an effective method to restore pollution. In this experiment, corona discharge plasma was used to treat nicosulfuron in water, and the response surface method was used to optimise the operating conditions of the single system of corona discharge treatment of nicosulfuron and the synergistic system of corona discharge treatment of nicosulfuron with the addition of persulfate.

Prediction of the Labrum Shape in Patients With Developmental Dysplasia of the Hip Based on Pelvic Radiography.

Background: The shape of the labrum is strongly correlated with outcomes of developmental dysplasia of the hip (DDH). Magnetic resonance imaging (MRI) is the generally preferred imaging technique for observing the labrum.

Purpose: We aimed to find a correlation between the labrum shape and anterior-posterior (AP) pelvic measurements in children with DDH.

Antibacterial mechanism of vanillin against O157: H7.

Vanillin, a plant-derived antimicrobial volatile substance, has potential microbial control applications in the food industry. However, the effect of vanillin on the food-borne pathogen () O157:H7 has not been well studied. This study aims to explore the antibacterial mechanism of vanillin against O157:H7.

Wire-tube DBD reactor for HS treatment: optimization of geometric and electrical parameters.

Based on the wire-tube DBD reactor, this paper studied the effects of different discharge lengths, discharge air gaps, and electrical parameters on the discharge characteristics of the DBD discharge module. The results show that under the condition of increasing applied voltage, different discharge lengths, discharge air gaps, thicknesses of the insulating medium, and equivalent capacitance of insulating medium all show an increasing trend, while the equivalent capacitance of air-gap medium fluctuated within a certain range. When the discharge length was 30 cm, the discharge air gap was 2 mm, and the thickness of the insulating medium was 1 mm, the discharge effect was the best.

Stereoselective Total Synthesis of Siladenoserinols A and D.

The stereoselective total synthesis of siladenoserinols A and D has been accomplished using carbohydrate as a chiral template. The feature of this work is to build the medicinally privileged 6,8-DOBCO scaffold through a cascade reaction of hydrogenation/deacetalization/ketalization in a one-pot process, that is, to take advantage of a thermodynamically controlled bicyclization of polyhydroxyketone under HCl/MeOH reaction conditions. The current cost-effective synthetic strategy could facilitate the bioactivity investigation of siladenoserinols.