ABSTRACT
Desorption electrospray ionization mass spectrometry (DESI-MS) is a newly emerging in-situ ionization mass spectrometry analysis technology. The ionization process occurs in an open ambient environment at atmospheric pressure, and has the characteristics of simple sample pretreatment, quick and sensitive analysis, and is widely used in biomedicine, pharmaceutical analysis, food safety, environmental monitoring, and material characterization. Natural medicines, such as Chinese herbal medicines, contain a variety of chemical components. Extraction, separation, identification, and in vitro and in vivo efficacy evaluation of natural medicines, especially research on active ingredients with significant efficacy, have received long-term attention. The development of DESI-MS technology provides many new opportunities for direct and rapid analysis of active ingredients in natural medicines. This article briefly introduces the principles, characteristics, influencing factors, and technical progress of DESI-MS technology, and systematically summarizes progress in the research and application of this technology to natural medicines such as Chinese herbal medicines and other plant samples with pharmacological activity. The future application prospects in this field are further presented.
ABSTRACT
Objective:To observe the instant analgesic effect of Governor Vessel-regulating and collateral-unblocking acupuncture method in treating primary headache and to inherit and carry forward the academic achievements of Gao's acupuncture school in Yanzhao (Hebei Province) area. Methods:Eighty eligible primary headache patients were randomized into an observation group and a control group following their visiting sequence, 40 patients in each group. The observation group was intervened by Yanzhao Gao's Governor Vessel-regulating and collateral-unblocking acupuncture, and the control group was intervened by ordinary acupuncture method. The visual analogue scale (VAS) was used to evaluate the headache intensity before and after the first treatment session in the two groups, to compare the instant analgesic effect of the two acupuncture methods. Results:After the first treatment session, the VAS scores dropped significantly in both groups (both P<0.05). The change of VAS score after the initial treatment in the observation group was significantly different from that in the control group (P<0.05). The percentage of patients with headache completely vanished instantly after the first treatment was markedly higher in the observation group than that in the control group (P<0.05). Conclusion: The two acupuncture methods both can produce a significant instant analgesic effect in treating primary headache, while Yanzhao Gao's Governor Vessel-regulating and collateral-unblocking acupuncture method is superior to ordinary acupuncture method.
ABSTRACT
Objective:To observe the instant analgesic effect of Governor Vessel-regulating and collateral-unblocking acupuncture method in treating primary headache and to inherit and carry forward the academic achievements of Gao's acupuncture school in Yanzhao (Hebei Province) area. Methods:Eighty eligible primary headache patients were randomized into an observation group and a control group following their visiting sequence, 40 patients in each group. The observation group was intervened by Yanzhao Gao's Governor Vessel-regulating and collateral-unblocking acupuncture, and the control group was intervened by ordinary acupuncture method. The visual analogue scale (VAS) was used to evaluate the headache intensity before and after the first treatment session in the two groups, to compare the instant analgesic effect of the two acupuncture methods. Results:After the first treatment session, the VAS scores dropped significantly in both groups (both P<0.05). The change of VAS score after the initial treatment in the observation group was significantly different from that in the control group (P<0.05). The percentage of patients with headache completely vanished instantly after the first treatment was markedly higher in the observation group than that in the control group (P<0.05). Conclusion: The two acupuncture methods both can produce a significant instant analgesic effect in treating primary headache, while Yanzhao Gao's Governor Vessel-regulating and collateral-unblocking acupuncture method is superior to ordinary acupuncture method.