杏丁注射液与黄芪注射液合用治疗冠心病心绞痛临床观察

目的:观察杏丁注射液(银杏叶提取物和双嘧达莫混合物)与黄芪注射液合用治疗冠心病心绞痛的临床疗效。方法:选择符合WHO诊断标准的冠心病心绞痛患者96例,随机分为对照组48例,给予常规治疗加用中药黄芪注射液,治疗组48例除了常规治疗外,加用中药杏丁注射液联合黄芪注射液,以14d为1个疗程,观察1个疗程后控制心绞痛疗效及心电图变化。结果:治疗组临床疗效与心电图疗效总有效率分别为93．75%、87．50%,明显高于对照组的79．17%、66．67%(P＜0．05)。结论:杏丁注射液与黄芪注射液合用具有改善心肌缺血,缓解心绞痛,无明显毒副作用,是治疗冠心病心绞痛的理想药物。     

Perchlorate Remediation by Electrokinetic Extraction and Electrokinetic Injection of Substrates

Perchlorate (ClO4?) contamination of groundwater has recently become a major concern across the nation. Electrokinetic (EK) extraction with the simultaneous EK injection of organic material to promote degradation could allow for the efficient removal of perchlorate while simultaneously promoting degradation of perchlorate. Column experiments were conducted to evaluate the technology. Lactate and glycine served as organic substrates to promote degradation after injection into the columns as well as maintaining the pH near neutral. Removal of perchlorate from contaminated materials kaolin, sand, and a natural soil historically contaminated by perchlorate was controlled by the ionic flux of perchlorate and not by transport from the osmotic flux which was only significant for kaolin experiments. Perchlorate was removed from contaminated sand and clay below our detection limits (5 ppb). Both lactic acid and glycine were successfully injected into clay and a sand matrix. Results from a contaminated site soil indicate that the Chemical Oxygen Demand was increased after electrokinetic injection of glycine and lactate. Experiments using soil from a contaminated site confirmed that EK can be used to both remove perchlorate and stimulate bioremediation by the injection of lactate or glycine. The use of EK technology to both remove and provide for continued source removal by bioremediation offers a potential new tool to treat low permeability systems.     

用 Beckman 6300 氨基酸分析仪测定氨基酸注射液的研究

氨基酸分析在近几十年得到广泛应用,一般均采用进口的氨基酸混合标液进行。仅用一种方法来测定各种各样食品、饲料、药物中的氨基酸或进行课题研究,显然是不能满足需要的。本实验采用模拟样品的方法自配标样,对２００多个批号六种配方的产品作了测定,与传统方法比较：本方法结果精确可靠,且节省时间。类似方法国内尚未见报道。     

静脉注射吸毒人群HIV／AIDS数学模型分析

建立了四川省西昌市静脉注射吸毒人群HIV／AIDS传播的数学模型,给出了模型的理论分析和数值模拟结果．通过必要的分析,给出了各类平衡点的存在性和稳定性,系统的一致持续生存,以及基本再生数的数学表达式和具体取值．揭示了该静注人群中的HIV／AIDS有进一步蔓延的趋势,但如果采取适当的干预措施,该静注人群中HIV／AIDS流行可得到有效的控制．     

鹿瓜多肽注射液与补肾壮骨胶囊对膝关节骨性关节炎患者血清BALP、BGP、TRACP-5b及CTX-I水平的影响

目的:研究鹿瓜多肽注射液联合补肾壮骨胶囊对膝关节骨性关节炎的临床疗效及对血清骨特异性碱性磷酸酶(BALP)、骨钙素(BGP)、抗酒石酸盐酸性磷酸酶异构体5b(TRACP-5b)、I型胶原C端肽(CTX-I)水平的影响。方法:选取2015年4月至2016年3月我院收治的84例膝关节骨性关节炎患者,根据患者入院顺序分为观察组和对照组,42例每组。对照组使用鹿瓜多肽注射液,观察组在此基础上加以补肾壮骨胶囊。比较两组患者临床疗效,治疗前后血清BALP、BGP、TRACP-5b、CTX-I水平、视觉模拟评分法(VAS)的变化。结果:治疗后,观察组临床总有效率显著高于对照组[90.48%(38/42)比64.29%(27/42)](P0.05);两组患者血清BALP、BGP水平均较治疗前显著升高(P0.05),血清TRACP-5b、CTX-I水平、VAS评分均较治疗前显著降低(P0.05),且观察组的血清BALP、BGP水平显著高于对照组(P0.05),血清TRACP-5b、CTX-I水平、VAS评分明显低于对照组(P0.05)。结论:鹿瓜多肽注射液联合补肾壮骨胶囊治疗膝关节骨性关节炎的临床疗效明显优于鹿瓜多肽注射液单药治疗,其能显著升高患者的血清BALP、BGP水平,降低血清RACP-5b、CTX-I水平,改善患者骨代谢。     

7起乙型脑炎疫苗异常反应的调查和分析

对１９９３～１９９７年间因接种乙脑疫苗引起的７起异常反应进行了调查和分析，主要是Ⅰ型变态反应（０．３３％～１．６％）和心因性反应（１１．７％～２４．２％）。反应一般发生在第３针以后，有些发生在第６针。症状表现为过敏性休克、紫癜、荨麻疹、血管神经性水肿、气喘等。对变态反应的发生频率、反应机理、处理方法和预防等问题进行了讨论     

In Ovo Electroporation in Embryonic Chick Retina

Chicken embryonic retina is an excellent tool to study retinal development in higher vertebrates. Because of large size and external development, it is comparatively very easy to manipulate the chick embryonic retina using recombinant DNA/RNA technology. Electroporation of DNA/RNA constructs into the embryonic retina have a great advantage to study gene regulation in retinal stem/progenitor cells during retinal development. Different type of assays such as reporter gene assay, gene over-expression, gene knock down (shRNA) etc. can be performed using the electroporation technique. This video demonstrates targeted retinal injection and in ovo electroporation into the embryonic chick retina at the Hamburger and Hamilton stage 22-23, which is about embryonic day 4 (E4). Here we show a rapid and convenient in ovo electroporation technique whereby a plasmid DNA that expresses green fluorescent protein (GFP) as a marker is directly delivered into the chick embryonic subretinal space and followed by electric pulses to facilitate DNA uptake by retinal stem/progenitor cells. The new method of retinal injection and electroporation at E4 allows the visualization of all retinal cell types, including the late-born neurons¹, which has been difficult with the conventional method of injection and electroporation at E1.5².     

Ultrastructure of lymphatic capillaries in the human dental pulp

Summary Occlusal intradentinal cavities, prepared in normal human premolars and third molars to be extracted for orthodontic reasons, were filled for 7 to 11 days with gutta percha. A superficial pulpitis with localized small abscesses developed in the pulp chamber. Under local anesthesia, 0.2 to 0.3 cc of sterile colloidal carbon was injected in the pulp horn and the teeth were extracted 1 to 3 h later. Lymphatic capillaries could thus be identified in the pulpal tissues. They were characterized by a thin endothelium with occasional large intercellular clefts, absence or incompleteness of basement membrane, absence of pericytes, absence of luminal red blood cells, and presence of a filamentous material between the endothelium and the surrounding collagen fibrils. Moreover, some structural variations were observed.     

Ergebnisse von Untersuchungen über die Effektivtemperatursummen einzelner Entwicklungsstadien der Getreidehähnchen (Lema spp.)

Various methodical approaches for the discovery and selection of virus-resistant potato forms are analysed. The optimum methods and conditions of PVM, PVY and PVX plant inoculation by evaluation to immunity are revealed, a possibility of realisation of complex inoculations on Lycopersicon esculentum Mill. (cv Nevsky) infected by PVM + PVX mixture, what accelerates an evaluation and increases its efficiency. The necessity of the controlled infectious backgrounds creation by evaluation of potato selection material for field (relative resistance to PVM + PVY + PVX complex) is shown.     

The effect of prolactin on kidney structure of the euryhaline teleost Gasterosteus aculeatus during adaptation to fresh water

Summary The effect of injections of ovine prolactin on kidney structure was examined in the first 10 days following transfer of seawater sticklebacks to fresh water.In hormone injected animals as well as in controls the glomeruli increase slightly in size after transfer. The podocytes intensify the secretion of mucopolysaccharides, which is indicative of increased turnover of the components of the glomerular basal lamina. The nuclei of the podocytes become enlarged, while those of the juxtaglomerular cells decrease in size. These changes are related to the well known rise of the glomerular filtration rate following transfer to fresh water. Structural indications that prolactin is involved in the control of glomerular filtration were not found.The epithelial cells of the three nephronic segments and of the ureter become considerably better developed after transfer to fresh water. Cell height, nuclear and mitochondrial volume, and surface of the membranes of the basal labyrinth increase in all tubular epithelia, although not to the same extent. Increases are moderate in the first proximal segment, but increasingly higher for the second proximal segment, collecting duct and the ureter. Especially the growth of membrane surface of the basal labyrinth, site of ion transport mechanisms, is impressive. In controls, values characteristic for freshwater fishes are reached in 6 to 9 days for all parameters for cellular development. Prolactin injections greatly stimulate growth rates in all tubular epithelia: freshwater values are reached within 3 days. No further increase was found, however.