固定化酵母生产L—间羟基苯基乙酰基甲醇的研究

报道间羟基苯基乙酰基甲醇的高产酵母菌株筛选，并将其固定化，海藻酸下包埋法比聚乙类醇－海藻酸钙包埋法效果好，其浓度为１％，包埋量为３ｇ／１０ｍｌ，固定化细胞的最佳底物浓度，糖浓度和最佳反应时间与游离细胞一致，分别为１０ｍｇ／ｍｌ，１００ｍｇ／ｍｌ和６ｈ；但最适反应温度比游离细胞５Ｃ，为３０℃；     

α－淀粉酶在壳聚糖上的固定化研究

报道从蟹壳中提取壳聚糖的方法。以壳聚糖为载体，戊二醛为双官能团交联剂，将α－淀粉酶固定化。结果表明固定化α－淀粉酶与原酶的最适ｐＨ值基本相同，且均有２个最适ｐＨ值，分别为５和６．５；固定化酶的表观米氏常数ｋｍ′＝０．３３×１０￣（－２）ｍｇ／ｍｌ，而原酶ｋｍ＝１×１０￣（－２）ｍｇ／ｍｌ；固定化酶的热稳定性明显高于原酶，固定化酶的最适温度为６５℃，原酶为５０℃。     

丙酮酸脱羧酶催化合成L-苯基乙酰基甲醇的研究

用酵母的丙酮酸脱羧酶粗提物催化苯甲醛合成Ｌ－苯基乙酰基甲醇（Ｌ－ＰＡＣ）,后者为合成Ｌ－麻黄素的前体。酶转化反应的最佳温度为１０℃,ｐＨ６．８,时间为５～６ｈ,酶用量７ｕ／ｍｌ,乙醇２．０ｍｏｌ／Ｌ,苯甲醛１５０～１８０ｍｍｏｌ／Ｌ,丙酮酸１５０～２００ｍｍｏｌ／Ｌ,转化液中Ｌ－ＰＡＣ浓度可达１４０ｍｍｏｌ／Ｌ。     

固定化小棘青霉菌生产磷霉素的研究

小棘青霉３１４９菌株的孢子经海藻酸钙包埋后用如下培养基培养：葡萄糖５．Ｏ％；蛋白胨２．Ｏ％；酵母膏０．３％；麦芽浸膏５．０％；（ＮＨ４）２ＳＯ４０．１％；ＭｇＳＯ４·７Ｈ２Ｏ０．１％；ＦｅＳＯ４·７Ｈ２０．０５％；ＮａＣ１０．５％（ｐＨ６．５），控制培养温度为２８℃，当顺式丙烯磷酸加入量为０．３％时，振荡培养８天其转化率达４０％，在同样条件下高于游离菌丝细胞，固定化孢子的代谢曲线与游离菌丝细胞相比均拖后一段时期，固定化小球可以重复使用，随着重复次数的增加，其发酵周期可由８天缩至６天。     

固定化牛肾氨基酰化酶拆分法制备D—丙氨酸

研究了以中空纤维固定化牛肾氨基酰化酶拆分ＤＬ－Ａｌａ制备Ｄ－Ａｌａ及反应的各种优化条件和固定化酶的动力学性质。实验结果表明,固定化酶反应的最适ｐＨ为７．０,最反应温度为３０￣３５℃;固定化酶拆分反应的酶量选择为５ｍｇ／ｍｌ,时空体积ＳＶ＝１．０,在ｐＨ７．０,３０℃条件下的全拆分底物浓度为０．１ｍｌ／Ｌ。固定化酶常温１周内拆分率稳定,但对热不稳定,４０℃条件下放置３０ｍｉｎ活力下降３０％。     

固定化甲烷氧化菌Z201催化丙烯合成环氧丙烷

找到了合适的包埋材料卡拉胶；探索了固定化操作的工艺条件；研究了ｐＨ、温度、激活剂浓度和磷酸盐缓冲液离子强度对丙烯反应的影响，得出了固定化细胞单加氧酶的动力学常数及酶活力变化曲线。包埋后的细胞酶活力达游离细胞的９４．９％，其半衰期为１．５ｄ。固定化细胞的酶活力在１０ｄ后仍占游离细胞的１０％。     

固定化甲烷氧菌Z201催化丙烯合成环氧丙烷

找到了合适的包埋材料卡拉胶；探索了固定化操作的工艺条件；研究了ｐＨ、温度、激活剂浓度和磷酸盐缓冲液离子强度对丙烯反应的影响，得出了固定化细胞单加氧酶的动力学常数及酶活力变化曲线。包埋后的细菌酶活力游离细胞的９４．９％，其半衰期为１．５ｄ。固定化细胞的酶活力在１０ｄ后仍占游离细胞的１０％。     

盐酸异丙嗪体外杀精子作用的实验研究

３０例健康育龄男性精液的体外杀精试验显示：盐酸异丙嗪具有快速强力杀精作用,当药物浓度在１８６ｍｍｏ·Ｌ－１（０６ｍｇ／ｍｌ）以上时,在１０ｓ内死亡;在００７５～１２４ｍｍｏｌ·Ｌ－１（０．２５～０．４ｍｇ／ｍｌ）浓度范围内,其杀精作用随药物浓度增加和作用时间延长而增强。当浓度为０３１ｍｍｏｌ·Ｌ－１（０．１ｍｇ／ｍｌ）作用时间为３０ｍｉｎ时,杀精作用可接近或达到１００％;而浓度为１２ｍｍｏｌ．Ｌ－１（０．４ｍｇ／ｍｌ）时,５ｍｉｎ内即可杀灭全部精子     

激素和干扰素对瘢痕疙瘩成纤维细胞生长影响的研究

为了解氢化可的松和干扰素α－２ｂ对瘢痕疙瘩浸润，增生和老化各部分成纤维细胞的影响是否相同，对６例瘢痕疙瘩不同部位和６例正常皮肤成纤维细胞在培养基中加入氢可的松（０．１ｍｇ／ｍｌ和０．５ｍｇ／ｍｌ）及干扰素α－２ｂ（１０００μ／ｍｌ）后的增殖情况下初步研究，结果：氢化可的松浓度为０．１ｍｇ／ｍｌ时，所有细胞均被抑制，当氢化可的松浓度升至０．５ｍｇ／ｍｌ时，几乎氖的细胞均不能存活，干扰素α－２ｂ对瘢痕     

HPLC测定风湿马钱片中士的宁和马钱子碱含量

报道了ＨＰＬＣ法同时测定风湿马钱片中士的宁和马钱子碱的含量。色谱条件：色谱柱：ｕｌｔｒａｓｐｈｅｒｅＴＭ－ｃｙａｎｏ（５μｍ，１５０ｍｍ×４．６ｍｍ）；流动相：由Ａ、Ｂ两泵输送，Ａ泵－甲醇，Ｂ泵－乙酸３０ｍｌ，三乙胺１５ｍｌ加水至２００ｍｌ，两泵输出体积比为：Ａ：Ｂ＝９５：５，ｐＨ６．７；ＵＶ检测器；检测波长：２５４ｎｍ。在２～１０μｇ／ｍｌ浓度范围内，士的宁标准曲线的相关系数ｒ＝０．９９９８，回收率为９９．６％，在１～８μｇ／ｍｌ浓度范围内，马钱子碱标准曲线的相关系数ｒ＝０．９９７６，回收率为９８．６％。     

Value of D-Dimers in patients with acute aortic dissection

Objective: To evaluatel the value of D-dimers in patients with acute aortic dissection (AAD). Methods: This study consisted of 16 patients with AAD and 27 non-AAD patients. Serum D-dimets were measured by Sta-Liatest D-DI immunoturbidimetric assay. Results: D-dimer level was higher (P ＜ 0.001) in patients with AAD(7.91 ± 5.52 μg/ml) than that in non- AAD group(1.57±1.24 μg/ml). D-dimer was positive (＞0.4 μg/ml) in all patients with AAD and in 10 control group patients (37%). Among patients with acute AAD, D-dimers tended to be higher in Stanford A than in Stanford B (8.67 ± 4.31 μg/ml vs. 3.24±1.27 μg/ml, P ＜0.01). D-dimer values tended to be higher in more extended disease(3.84 ± 1.65 μg/ml, 8.57 ± 3.58 μg/ml and 11.87 ± 5.69 μg/ml in thoracic aorta, thoracic and abdominal aorta, thoracic and abdominal aorta and iliacal arteries, respectively, P ＜ 0.05 for both 8.57 ± 3.58 and 11.87 ± 5.69 vs. 3.84 ± 1.65 ). Including the control group into the analysis, we found a sensitivity of 100%, a negative predictive value of 100%, and a specificity of 66% and a positive predictive value of 64% for D-dimer in diagnosis of AAD in our patients with suspected AAD. Conclusion: D-dimer was elevated in patients with AAD. A negative D-dimer test result could be useful in excluding AAD.     

Research of combined liver-kidney transplantation model in rats

Objective： To set up a simple and reliable rat model of combined liver-kidney transplantation. Methods： SD rats served as both donors and recipients. 4℃ sodium lactate Ringer＇s was infused from portal veins to donated livers,and from abdominal aorta to donated kidneys, respectively. Anastomosis of the portal vein and the inferior vena cava （IVC） inferior to the right kidney between the graft and the recipient was performed by a double cuff method, then the superior hepatic vena cava with suture. A patch of donated renal artery was anastomosed to the recipient abdominal aorta. The urethra and bile duct were reconstructed with a simple inside bracket. Results： Among 65 cases of combined liver-kidney transplantation, the success rate in the late 40 cases was 77.5%. The function of the grafted liver and kidney remained normal. Conclusion： This rat model of combined liver-kidney transplantation can be established in common laboratory conditions with high success rate and meet the needs of renal transplantation experiment.     

APPLICATION OF LORNOXICAM TO PATIENT-CONTROLLED ANALGESIA IN PATIENTS UNDERGOING ABDOMINAL SURGERIES

FOR anesthesiologis s ,treatingpostoperativepainhas alwaysbeen a problem.Althoughopioidshave been provedtobe effective,theirsideeffectscouldnotbeignored.With thedevelopmentofscienceand pharmacology,many drugs with aspectsof satisfactoryanalgesicefficacyand couldbe welltoleratedby patientshave been developed.And lornoxicamisone of them, which isa non-steroidalanti-inflammatorydrug (NSAID ), with analgesic, anti-infl-ammatory,andantipyreticproperties.Itseliminationhalf-time(3 to 5 hours) isle…     

BLOOD PRESSURE CHANGE WITH AGE IN SALT-SENSITIVE TEENAGERS

Objective To observe blood pressure change with age in salt-sensitive teenagers whose salt sensitivity were determined by repeated testing.Methods Salt sensitivity was determined through intravenous infusion of normal saline combined with volume-depletion by oral diuretic furosemide in 55 teenagers. After five years, salt sensitivity was re-examined and subject blood pressure was followed up. Blood pressure changes in salt-sensitive teenagers were compared to that of non-salt sensitive teenagers over five years.Results After 5 years, the repetition rate of salt sensitivity determined by intravenous saline loading is 92.7%. In teenagers with salt sensitivity on the baseline, both the systolic blood pressure increments and increment rates were much higher than non-salt sensitive teenagers (12.7±12.1 mmHg vs. 2.8±5.2 mmHg, P＜ 0.01; 12.2%± 12.0% vs. 2.5% ±4.4%, P＜ 0.001,respectively). There was a similar trend for diastolic blood pressure (8.4 ± 6.4 mmHg vs. 3.7 ± 6.4 mmHg, P = 0.052; 13.2% ±10.6 % vs. 6.8%± 10.1%, P = 0.053, respectively).Conclusions Salt sensitivity determined by intravenous saline loading showed good reproducibility. Blood pressure increments with age were much higher in salt-sensitive teenagers than non-salt sensitive teenagers, especially in terms of systolic blood pressure.     

Acupuncture Combined with Spinal Tui Na for Treatment of Primary Dysmenorrhea in 30 Cases

Objective: To observe the therapeutic effects in acupunture treatment of primary dysmenorrhea combined with spinal Tui Na, and study its mechanism. Methods: Thirty cases of the treatment group were treated by acupuncture combined with spinal Tui Na, and thirty cases in the control group were treated by routine acupuncture. Results: The total effective rate was 93.3% in the treatment group, and 73.3% in the control group, with a significant difference between the two groups (P<0.05). Conclusions: Acupuncture combined with spinal Tui Na has good prospects for treatment of primary dysmenorrhea.     

Luo Lingjie's Experience in Treating Chronic Nephropathy

In treating chronic nephropathy,Luo Lingjie,a chief physician,pays attention to regulating the balance between yin and yang,treating infection if present,and removing pathogenic factors.He prescribes gentle drugs and uses carefully strongly warming-tonifying ones,emphasizes the importance of persuading the patient to persist in treatment with medication and nurse one's health for recuperation,and is good at combined use of TCM and western medicine therapy and brings the merits of various therapies into full play,with obvious theraoeutic effects.     

Dr.Zhang Ren's Experience in the Acupuncture Treatment of Different Diseases with the Same Therapeutic Principle

Dr.Zhang Ren,the chief physician,is the chairman of Shanghai Acupuncture and Moxibustion Association.Having been engaged in medicine for about 40 years,he is experienced in treating various intractable diseases.In his long years of clinical practice,he advocates taking the TCM differentiation as the basis to seek for the acupuncture method for treatment of modern intractable diseases.The author of this essay had the fortune to follow Dr.Zhang in study.The following is a summary of Dr.Zhang's experience in the acupuncture treatment for different intractable diseases with the same therapeutic principle.     

安心颗粒对急诊经皮冠状动脉介入术后生活质量影响的研究

目的：评价使用安心颗粒对急诊经皮冠状动脉介入术（PPCI）术后生活质量的影响.方法：将160例接受PPCI的急性ST段抬高型心肌梗死患者随机分为安心颗粒组（术前顿服安心颗粒8.8g,术后安心颗粒4.4 g/次,每日2次）和对照组（仅接受基础药物治疗）.所有患者均服用阿司匹林、氯吡格雷和阿托伐他汀.分别在入院时、出院前1d、出院后180 d时,应用心肌梗死多维度量表（MIDAS）、中文版SF-36评价量表对患者生活质量评分.并观察术后30 d以内的出血并发症、血小板减少症发生情况.结果：入院时和出院前1d,两组患者的心肌梗死MIDAS、SF-36量表评分比较无差异（P＞0.05）;出院后180 d时,与对照组比较,安心颗粒组MIDAS、SF-36评分明显减低（P＜0.05）;组内与入院时比较,两组出院前1d、出院后180 d时,MIDAS、SF-36评分均降低（P＜0.05）.两组患者在随访期间均无大量出血、少量出血、重度和极重度血小板减少症发生,安心颗粒组有4例、对照组有7例发生不明显出血（P＞0.05）.两组发生轻度血小板减少症的患者数比较无差异（P＞0.05）.结论：PPCI使用安心颗粒,能改善急性ST段抬高型心肌梗死患者的生活质量,且不增加出血风险.     

The comparative studies of the influences of Urapidil and Nicardipine on sino-atrial node function, atrio-ventricular node function and hemodynamics

Objective:To investigate the influences of urapidil and nicardipine on rabbit sinus function,atrio-ventricular node function and hemodynamics.Methods:Thirty-two Angora's rabbits were selected and randomly divided into four groups.U1 group:urapidil 0.25 mg/kg;U2 group:urapidil 0.5 mg/kg;N1 group:nicardipine 10 μg/kg;N2 group:nicardipine 20 μg/kg.All these medicine were administrated within 30 seconds.Measurements were taken before and after the administration of urapidil or nicardipine for the following data:mean blood pressure(MAP),heart rate(HR),sino-atrial conduction time(SACT),maximal sinoatrial recovery time(SNRTmax)corrected sinus node recovery time(CSNRT),index of sinus node recovery time(SNRTI),Wenckebach A-V conduction frequency (WB),and P-R interval.Results:Significant MAP and HR changes were identified in all of the four groups before and after administration of both urapidil and nicardipine.No significant changes could be found in the rest of the parameters.Intergroup analysis showed that SACT and CSNRT of N1 and N2 groups were shorter than those of the U2 group(P＜0.01);the MAP decreased(P＜0.01)and the HR increased drastically(P＜0.01).Conclusions:Neither urapidil(0.25 mg/kg,0.5 mg/kg)nor nicardipine(10μg/kg,20μg/kg)has any significant influence on rabbit sinus function or rabbit atrio-ventricular node function.Nicardipine could be a better choice than urapidil for parafunctional sinus node patients.