ABSTRACT
A patient who suffered with degloving and destructive servered distal segment of the left thumb was referred to the Department of Hand Surgery, Ningbo No.6 Hospital in May 2021. The thumb was reconstructed by transfer and splicing of a free bilateral fibular hallux nail flap. Metatarsal artery of the metatarsal fibular side of the flap was anastomosed to the proper palmar digital artery at the recipient site. The nerve meridian were anastomosed to the proper palmar digital nerve of thumb, and the distal arterial arch of the metatarsal base between the flaps was anastomosed at the same time. A V-Y advancement flap was employed to repair the donor site. After 3 months, the transferred flaps survived well, the left thumb nail grew well, and the dynamic TPD was at 7 mm. According to the Evaluation Standard of Thumb and Finger Reconstruction Function of the Society of Hand Surgery of the Chinese Medical Association, it was evaluated as excellent (14 points). The advancement flap in the donor site survived well, and the walking, running and jumping of both feet were not affected. According to Maryland's foot function scoring standard, it was evaluated as excellent (98 points).
ABSTRACT
Objective To establish a method for determination of organophosphorus and carbamate pesticide residues in water by GC-MS.Methods Twelve kinds of organophosphorus and carbamate pesticide residues were determined with GC-MS with methylenechloride and petroleum ether(4∶1) as extraction solvent.Results The linear ranges of 12 kinds of pesticides were perfect in the range of 0.01-1.0?g/ml,r≥0.997,the average rates of recovery were 76.0%-111.0%,and RSD were 5.20%-9.20%,the lowest limit detection(S/N=3) of dichlorvos,chinomethionate,parathion,bromophos,carbophenothion,fenthion,isoprocarb,pirimicarb,aminocarb,thiobencarb,pendimethalin,malathion was 0.009,0.003,0.008,0.001,0.003,0.003,0.0025,0.009,0.005,0.010,0.010,0.006 ?g/ml respectively.Conclusion This method is simple,rapid,sensitive and can be applied to the simultaneous determination of 12 kinds of organophosphorus and carbamate pesticides in the water.
ABSTRACT
Objective To develop a method to determine molybdenum in radix puerariae and the soil. Methods A method for determination of trace molybdenum in radix puerariae and the soil where it growth by single sweep polarography has been used. Results The linear range was 0.010-1.0 ?g/ml, r=0.999 0, the detection limit was 6.0?10-3 ?g/ml, the recovery rates were 98.0%～106.0%, RSD was 2.2%-4.8%. Conclusion This method is suitable for the determination of molybdenum in radix puerariae and the soil. The content of Mo in radix puerariae is related to that in the soil.