鱼纲动物孔鳐血红蛋白自身不相互作用的研究及其进化意义

目的:研究一种软骨鱼系动物(孔鳐)自身血红蛋白成份的相互作用.方法:淀粉-琼脂糖混合凝胶交叉电泳.结果:孔鳐自身血红蛋白成份不相互作用.结论:本实验完善了研究室所作的"各种脊椎动物血红蛋白自身相互作用的系列研究".同前面所进行的各种脊椎动物血红蛋白分别与人血红蛋白、胎儿血红蛋白相互作用的研究对照比较,进一步验证脊椎动物血红蛋白与各种蛋白分子在电场中的相互作用的分水岭可能位于爬行纲动物,丰富了血红蛋白分子进化理论.     

增生性瘢痕无创性评估策略及方法

增生性瘢痕是皮肤遭遇创伤后,因细胞外基质异常沉积、过度纤维化造成的皮肤病理现象。对于瘢痕诊断、临床疗效判定及比较研究,临床上使用的客观且可靠的瘢痕评判方法具有关键作用。我们就增生性瘢痕的评估、测量方式及工具的研究进展进行综述。     

血清CA125,LDH,β2-MG在非霍奇金淋巴瘤诊断治疗中的意义

 目的 探讨血清CA125,LDH,β2-MG在非霍奇金淋巴瘤（NHL）诊断、治疗中的意义。方法 50例NHL患者,采用放射免疫学方法检测CA125及β2-MG,酶法检测LDH。结果 NHL患者血清CA125,LDH,β2-MG的升高与分期、分组、骨髓浸润、化疗效果、疾病的范围及恶性程度有关。结论 血清CA125,LDH,β2-MG作为NHL患者诊断、临床分期、是否骨髓浸润、疗效判定及预后的辅助指标。     

Health service utilization,unmet healthcare needs,and the potential of telemedicine services among Korean expatriates

Background

With the significant growth of migration and expatriation, facilitated by increased global mobility, the number of Koreans living abroad as of 2016 is approximately 7.4 million (15% of the Korean population). Healthcare utilization or health problems, especially among expatriates in developing countries, have not been well researched despite the various health risks these individuals are exposed to. Consequently, we identified the health utilization patterns and healthcare needs among Korean expatriates in Vietnam, Cambodia, and Uzbekistan.

Methods

This cross-sectional survey examined 429 Korean expatriates living in Vietnam (n?=?208), Cambodia (n?=?60), and Uzbekistan (n?=?161) who had access to the Internet and were living abroad for at least 6?months. A 67-item questionnaire was used, and feedback was received via an online survey program. Stepwise logistic regression analyses were performed to evaluate factors associated with unmet healthcare needs and preferences of certain type of telemedicine.

Results

We found that 45.5% (195/429) of respondents had used medical services in their country of stay. Among those who visited health institutions >?3 times, the most popular choice was general hospitals (39.4%, 15/38); however, they initially visited Korean doctors’ or local doctors’ offices. The most essential criteria for healthcare service facilities was a “skilled professional” (39.3%, 169/429), 42% wanted a health program for chronic disease management, and 30% wanted specialized internal medicine. A substantial number wanted to access telemedicine services and were willing to pay for this service. They were particularly interested in experts’ second opinion (61.5%, 264/429) and quick, 24-h medical consultations (60.8%, 261/429). Having unmet healthcare needs and being younger was strongly associated with all types of telemedicine networks.

Conclusions

Nearly half of the expatriates in developing countries had unmet healthcare needs. Telemedicine is one potential solution to meet these needs, especially in developing countries.

     

The vial kit formulation for preparation of no‐carrier‐added 131I‐MIBG

We have developed a new set of lyophilized kits, composed of 3 different kits, for the instant preparation of no‐carrier‐added ¹³¹I‐MIBG in the clinic. We here discussed the formulation of the kits, optimization of radiolabelling, quality control of radiolabeled ¹³¹I‐MIBG, and studies of animal biodistribution. The no‐carrier‐added (nca) ¹³¹I‐MIBG injection could be prepared within 30 minutes in the clinic with the help of the lyophilized kits. The radiochemical purity and specific activity (SA) could achieve above 98% and 6700 MBq/mg, respectively.     

喹硫平血药浓度监测中血清代用品的研究

考察以牛血清代替人血清制备标准曲线时,使用高效液相色谱法（HPLC）检测喹硫平血药浓度是否存在差异。人、牛血清制备的标准曲线在50.0～1000.0 ng·mL-1浓度范围内斜率存在差异,且在不同基质中患者血药浓度测得值有显著性差异（P＜0.01）。喹硫平在2种基质中的提取回收率也存在显著性差异（P＜0.01）。结果表明,HPLC法测定喹硫平血药浓度时以牛血清代替人血清作为空白基质检测存在差异性。     

生物相关性溶出度方法研究进展

摘要：建立具有生物相关性的溶出度方法目的在于通过理想的体外溶出试验预测体内药代动力学过程。近年来,研究表明在生物相关性溶出介质中选择合适的溶出装置进行溶出试验得到的溶出曲线能较好地反映其在体内的溶出行为,计算机模拟软件可为建立合理的体外溶出度方法提供指导和依据。通过采用合适的生物相关性溶出介质、溶出装置,结合计算机模拟软件可建立A级水平的IVIVC(in vitro-in vivo correlation),可能代替生物等效性研究。     

硫酸核糖霉素分子式中硫酸数目的确定及控制方法的比较

目的：为了确定硫酸核糖霉素分子式中硫酸的数目,并选择适合的方法控制其硫酸盐的含量。方法：建立了高效液相色谱-蒸发光散射法（HPLC-ELSD）对硫酸核糖霉素的硫酸盐（SO4）含量进行测定,并开发出了同样适用的离子色谱电导法（HPIC-CD）进行结果比对。同时采用《中国药典》方法测定硫酸核糖霉素的酸碱度。结果：HPLC-ELSD法,硫酸盐（SO4）在15～250 μg·mL-1范围内线性良好,检测限和定量限分别为0.16 μg和0.25 μg,回收率为101.1%;HPIC-CD法,硫酸盐（SO4）在20～180 μg·mL-1范围内线性良好,检测限和定量限分别为0.17 ng和0.50 ng,回收率为99.8%。结论：两种硫酸盐测定方法,专属性强,灵敏度高,重复性好,测定结果无显著性差异,分子式中硫酸的数目约为1.5,进一步发现,硫酸盐含量和溶液pH值呈显著负相关,并具有一定的线性关系,酸碱度检查可以控制硫酸盐的含量。