微创钻孔引流术对高血压脑出血患者近期疗效及颅内感染、血肿再扩大的影响

目的:研究微创钻孔引流术对高血压脑出血患者近期疗效及颅内感染、血肿再扩大的影响。方法:选取2017年3月至2019年2月的81例高血压脑出血患者。按照随机数表法分为观察组(n=42)和对照组(n=39),对照组采用常规开颅血肿清除术治疗,观察组采用微创钻孔引流术治疗。观察两组治疗疗效情况,血肿量、髓鞘碱性蛋白(MBP)、中枢神经特异蛋白S100水平、NIHSS、GCS评分,不良反应情况。结果:治疗后,观察组总有效率显著高于对照组[92.86%(39/42)vs69.23%(27/39)](P<0.05);血肿量、MBP、S100水平均显著低于对照组[(9.32±2.70)mL vs(15.51±3.01)mL,(3.65±0.52)μg/L vs(4.20±0.71)μg/L,(0.98±0.26)μg/L vs(1.39±0.35)μg/L](P<0.05);NIHSS评分显著低于对照组[(3.90±2.71)分vs(6.34±1.42)分](P<0.05);GCS评分显著高于对照组[(14.84±3.52)分vs(10.69±3.98)分](P<0.05);不良反应总发生率显著低于对照组[9.52%(4/42)vs38.46%(15/39)](P<0.05)。结论:微创钻孔引流术治疗高血压脑出血患者的近期疗效显著,血肿清除彻底,可有效改善脑神经缺损,减少颅内感染,促进预后恢复。     

吡格列酮联合阿卡波糖对2型糖尿病患者血清RBP4、Leptin、Visfatin水平的影响

目的:探讨吡格列酮联合阿卡波糖治疗2型糖尿病的临床效果及对患者血清视黄醇结合蛋白4(RBP4)、瘦素(Leptin)、内脂素(Visfatin)表达的影响。方法:选择2015年10月至2017年10月我院接诊的90例2型糖尿病患者为本研究对象,通过随机数表法将其分为观察组(n=46)和对照组(n=44)。对照组在常规治疗基础上给予阿卡波糖治疗,观察组在对照组基础上联合吡格列酮治疗,两组均连续治疗12周。比较两组治疗前后血糖、动态血糖、胰岛细胞功能、血清RBP4、Leptin和Visfatin水平的变化和不良反应的发生情况。结果:治疗后,观察组空腹血糖(FBG)、餐后2 h血糖(2hPBG)、糖化血红蛋白(HbA1c)均明显低于对照组[(6.58±1.30)mmol/L vs.(7.47±1.44)mmol/L,(9.20±1.22)mmol/L vs.(10.36±1.31)mmol/L,(5.23±0.46)%vs.(5.88±0.62)%](P0.05);观察组最大血糖波动幅度(LAGS)、平均血糖波动幅度(MAGE)均明显低于对照组低,日平均达标率明显高于对照组[(7.43±1.26)mmol/L vs.(8.58±1.59)mmol/L,(3.39±0.42)mmol/L vs.(5.21±0.69)mmol/L,(90.34±2.40)%vs.(82.01±2.15)%](P0.05);观察组胰岛素β细胞(HOMA-β)明显高于对照组,胰岛素抵抗指数(HOMA-IR)明显低于对照组[(53.84±6.20) vs.(41.85±5.03),(2.84±0.40) vs.(3.72±0.72)](P0.05);观察组血清RBP4、Leptin、Visfatin水平均明显低于对照组[(8.30±1.20)mg/L vs.(10.57±1.65)mg/L,(8.23±1.42)μg/L vs.(10.84±1.79)μg/L,(17.40±2.42)μg/L vs.(24.03±3.06)μg/L](P0.05)。两组治疗期间均未发生头晕、低血糖等药物不良反应。结论:吡格列酮联合阿卡波糖治疗2型糖尿病患者的临床效果显著由于单用阿卡波糖的患者,其可显著患者降低血糖水平和改善IR,其内在机制可能和降低血清RBP4、Leptin、Visfatin的表达相关。     

生脉注射液联合曲美他嗪治疗缺血性心肌病合并肾功能不全的临床疗效分析

目的:研究生脉注射液联合曲美他嗪治疗缺血性心肌病合并肾功能不全的临床疗效。方法:选取2015年3月至2017年3月我院收治的100例缺血性心肌病合并肾功能不全患者,按照随机数表法分为观察组(n=50)和对照组(n=50)。对照组采用曲美他嗪治疗,观察组采用生脉注射液联合曲美他嗪治疗。观察和比较两组的治疗疗效、治疗前后心功能指标(左心室射血分数(LVEF)、左室收缩末径(LVESD)、左室舒张末期内径(LVEDD))、肾功能指标(血肌酐(Scr),尿素氮(BUN))、心肌损伤标志物(血清胱抑素(Cys C)、同型半胱氨酸(HCY)、脑钠肽(BNP))水平的变化。结果:治疗后,观察组总有效率显著高于对照组[92.30%(48/52) vs.70.83%(34/48)](P0.05),LVEDD、LVESD水平均显著低于对照组[(51.21±8.54)mm vs.(56.63±10.83)mm,(42.91±6.30)mm vs.(45.86±7.32)mm](P0.05),LVEF水平均显著高于对照组[(46.02±7.85)%vs.(41.20±8.84)%](P0.05),Scr、BUN水平均显著低于对照组[(164.30±17.95)μmol/L vs.(211.75±19.31)μmol/L;(8.12±0.76)mmol/L vs.(11.74±1.72)mmol/L](P0.05)。血清Cys C、HCY、NT-Pro BNP水平均显著低于对照组[(0.90±0.21)mg/L vs 1.52±0.34)mg/L (12.34±3.89)μmol/L vs.(20.86±5.28)μmol/L,(298.47±78.41)ng/L vs.(402.35±92.76)ng/L](P0.05)。结论:生脉注射液联合曲美他嗪治疗缺血性心肌病合并肾功能不全的的临床疗效显著优于单用曲美他嗪治疗,其可有效改善患者心、肾功能,减轻心肌细胞损伤。     

骨化三醇联合腹膜透析疗法治疗慢性肾功能衰竭的临床疗效及对患者血清ProGRP、Cysc、Chemerin水平的影响

目的:探讨骨化三醇联合腹膜透析疗法治疗慢性肾功能衰竭的临床疗效及对患者血清Pro-Gastrin-Releasing Peptide (ProGRP)、CystatinC(Cysc)、Chemerin水平的影响。方法:选取我院2017年2月至2018年1月收治的98例慢性肾功能衰竭患者,按照随机数表法将其分为观察组(n=51)和对照组(n=47)。对照组采用腹膜透析疗法治疗,观察组采用骨化三醇联合腹膜透析疗法治疗。观察和比较两组治疗前后肾功能指标尿素氮(blood urea nitrogen,BUN)、血清肌酐(Serum creatinine Cr)、24小时尿蛋白(24 h urinary protein,24 h UP),生化指标白蛋白(albumin,Alb)、血红蛋白(hemoglobin,Hb)及红细胞(red blood cell,RBC),胃泌素释放肽前体(ProGRP)、血清胱抑素(Cys C)、趋化素(Chemerin)水平的变化,6个月、1年生存率及不良反应的发生情况。结果:治疗后,观察组BUN、SCr、24hUP水平均显著低于对照组[(13.95±3.06)mmol/L vs.(21.10±3.85)mmol/L,(260.12±40.32)μmol/L vs.(354.93±51.06)μmol/L,(1.75±0.45)g/24 h vs.(2.67±0.80)g/24 h](P0.05);Alb水平显著低于对照组[(27.85±3.58)g/L vs.(33.06±4.27)g/L](P0.05);Hb、RBC显著高于对照组[(91.72±13.46)g/L vs.(82.36±10.15)g/L,(379.47±92.08)×1012/L vs.(315.70±73.24)×1012/L](P0.05);ProGRP、Chemerin水平显著低于对照组[(49.23±4.72)pg/mL vs.(63.87±7.30)pg/mL,(37.02±6.15)μg/L vs.(30.63±4.81)μg/L](P0.05);Cysc水平显著高于对照组[(80.75±16.08)mL/min vs.(98.81±18.07)mL/min](P0.05);6个月、1年生存率均显著高于对照组[96.08%(49/51) vs. 91.49%(43/47),90.20%(46/51) vs. 74.47%(35/47)](P0.05);不良反应总发生率显著低于对照组[17.65%(9/51) vs. 44.68%(21/47)](P0.05)。结论:骨化三醇联合腹膜透析疗法治疗慢性肾功能衰竭的临床效果显著优于单用,其可有效减轻患者的临床症状,纠正电解质紊乱,改善肾功能和预后,可能与降低血清ProGRP、Chemerin水平及提高血清Cysc水平有关。     

参苓白术散联合复方谷氨酰胺肠溶胶囊对肠易激综合征患者的肠黏膜屏障功能及5-HT、IFN-γ、IL-8水平的影响

目的:探讨参苓白术散联合复方谷氨酰胺肠溶胶囊对肠易激综合征患者的肠黏膜屏障功能及5-羟色胺(5-HT)、γ-干扰素(IFN-γ)、白细胞介素8(IL-8)水平的影响。方法:选取2017年3月至2018年1月的89例肠易激综合征患者。按照随机数表法分为观察组(n=46)和对照组(n=43),对照组采用复方谷氨酰胺肠溶胶囊治疗,观察组采用参苓白术散联合复方谷氨酰胺肠溶胶囊治疗。观察两组治疗疗效,肠黏膜屏障功能(DAO、D-乳酸、细菌内毒素),血清5-HT、IFN-γ、IL-8水平,不良反应发生率。结果:治疗后,观察组总有效率显著高于对照组[93.47%vs 72.09%](P0.05);中医症状积分显著低于对照组[(2.81±0.42)分vs(5.79±0.74)分](P0.05);DAO、D-乳酸、细菌内毒素水平均显著低于对照组[(10.02±1.50)U/L vs(11.85±1.98)U/L,(7.18±1.37)mg/L vs (8.56±1.53)mg/L,(0.60±0.08)pg/mL vs (0.75±0.12)pg/mL](P 0.05);血清5-HT、IFN-γ、IL-8水平均显著低于对照组[(351.08±20.93)pg/mL vs(364.12±29.71)pg/mL,(26.95±5.02)pg/mL vs(31.28±6.10)pg/mL,(2.97±0.51)ng/L vs(4.03±0.62)ng/L](P0.05);不良反应总发生率显著低于对照组[6.52%(3/46)vs20.93%(9/43)](P0.05)。结论:参苓白术散联合复方谷氨酰胺肠溶胶囊治疗肠易激综合征患者的临床疗效显著,可改善临床症状,改善肠黏膜屏障功能,及5-HT、IFN-γ、IL-8水平,减轻炎症反应,安全可靠。     

腹腔镜微创技术联合频谱照射治疗小儿阑尾炎的疗效及对血清slCAM-1、PCT水平的影响

目的:研究腹腔镜微创技术联合频谱照射治疗小儿阑尾炎的疗效及对血清可溶性细胞间粘附分子1(Soluble intercellular adhesion molecule-1,slCAM-1)、降钙素(Calcitonin,PCT)水平的影响。方法:选取2016年2月～2018年2月我院收治的87例小儿阑尾炎患者。按照简单随机数表法将其分为观察组(n=42)和对照组(n=45),对照组采用传统手术治疗,观察组采用腹腔镜微创技术联合频谱照射治疗。观察和比较两组治疗后手术指标(手术时间、术中出血量、住院时间),肠功能恢复情况(肠鸣音恢复时间、肛门排气时间、首次排便时间),治疗前后血清slCAM-1、PCT水平的变化及不良反应的发生情况。结果:治疗后,观察组手术时间、术中出血量、住院时间显著低于对照组[(47.82±8.33)min vs (56.97±10.46)min,(46.97±9.75)mL vs (90.72±13.86)mL,(7.02±2.41)d vs(11.84±3.58)d](P0.05);肠鸣音恢复时间、肛门排气时间、首次排便时间显著低于对照组[(19.38±4.32)h vs (25.82±6.18)h,(16.98±4.59)h vs (36.83±7.29)h,(32.02±5.82)h vs (40.17±7.60)h](P0.05);血清slCAM-1、PCT水平显著低于对照组[(180.27±23.75)ng/L vs (197.06±27.30)ng/L (0.92±0.20)ng/L vs (3.87±1.03)ng/L](P0.05);不良反应总发生率显著低于对照组[7.14%(3/42) vs 22.22%(10/45)](P0.05)。结论:腹腔镜微创技术联合频谱照射治疗小儿阑尾炎疗效显著,可改善微循环,促进肠功能恢复,降低血清slCAM-1、PCT水平,并发症少,有利于术后恢复。     

甲泼尼龙联合普米克令舒治疗小儿急性喉炎的疗效及对血清IFN-γ、SAA、IL-6水平的影响

目的:探讨甲泼尼龙联合普米克令舒治疗小儿急性喉炎的疗效及对血清干扰素-γ(IFN-γ)、淀粉样蛋白(SAA)、白介素-6(IL-6)水平的影响。方法:选择2015年6月至2018年6月我院接诊的急性喉炎患儿76例,通过随机数表法将其分为观察组40例和对照组36例。在常规治疗上,对照组以地塞米松联合普米克令舒治疗,观察组以甲泼尼龙联合普米克令舒治疗,两组均连续治疗3～5d。比较两组的临床疗效、临床症状缓解时间、治疗前后血清IFN-γ、SAA、IL-6水平的变化及不良反应的发生情况。结果:治疗后,观察组临床疗效总有效率明显高于对照组[92.50%(37/40) vs. 75.00%(27/36)](P0.05);观察组咳嗽、声嘶、呼吸困难、哮鸣音、发热缓解时间均明显短于对照组[(3.19±0.51)d vs.(4.01±0.64)d,(1.76±0.21)d vs.(2.48±0.30)d,(1.02±0.14)d vs.(1.76±0.19)d,(2.74±0.42)d vs.(3.39±0.53)d,(1.45±0.20)d vs.(2.04±0.27)d](P0.05);观察组血清IFN-γ、SAA、IL-6均明显低于对照组[(43.03±3.47)ng/L vs.(52.81±4.60)ng/L,(37.40±4.12)mg/L vs.(49.83±5.47)mg/L,(11.02±1.42)ng/L vs.(15.73±1.70)ng/L](P0.05);两组不良反应总发生率比较差异无统计学意义(P0.05)。结论:甲泼尼龙联合普米克令舒治疗急性喉炎患儿的临床效果显著优于地塞米松治疗,其可更有效促进疾病恢复,其内在机制可能和显著降低血清IFN-γ、SAA、IL-6水平,抑制机体过度炎症反应相关。     

补锌联合消旋卡多曲治疗小儿轮状病毒性肠炎中的临床疗效及对血浆TNF-α、IL-6、IL-17水平的影响

目的:探讨补锌联合消旋卡多曲治疗小儿轮状病毒性肠炎的临床疗效及对血浆肿瘤坏死因子(TNF)-α、白介素(IL)IL-6、IL-17水平的影响。方法:选择2015年3月至2017年3月我院接诊的96例轮状病毒性肠炎患儿为研究对象,通过随机数表法分为观察组(n=48)和对照组(n=48)。对照组在常规治疗基础上给予消旋卡多曲颗粒治疗,观察组在常规治疗基础上联合葡萄糖酸锌片治疗,两组均连续治疗7d。比较两组治疗前后血浆TNF-α、IL-6、IL-17水平的变化,治疗后第3d、5d、7d时的病毒转阴率,症状好转时间、住院时间及临床疗效。结果:治疗后,两组血浆TNF-α、IL-6、IL-17水平均较治疗前显著降低(P0.05),且观察组血浆TNF-α、IL-6、IL-17水平明显低于对照组[(29.45±3.12)ng/L vs.(47.83±3.91)ng/L,(24.56±3.05)μg/L vs.(36.12±3.28)μg/L,(9.74±1.14)pg/ml vs.(18.45±2.02)pg/ml](P0.05)。观察组在第3d、5d、7d时的病毒转阴率均明显高于对照组[56.25%(27/48)vs.29.17%(14/48),72.92%(35/48)vs.50.00%(24/48),95.83%(46/48)vs.75.00%(36/48)](P0.05)。观察组止吐时间、止泻时间、退热时间、大便性状恢复时间及住院时间均明显比对照组短[(1.28±0.30)d vs.(2.34±0.38)d,(2.12±0.32)d vs.(3.53±0.40)d,(1.23±0.25)d vs.(2.45±0.32)d,(2.07±0.30)d vs.(3.12±0.36)d,(4.85±0.56)d vs.(6.13±0.70)d](P0.05);观察组临床疗效总有效率明显高于对照组[93.75%(45/48)vs.70.83%(34/48)](P0.05)。结论:补锌联合消旋卡多曲治疗轮状病毒性肠炎患儿的临床效果明显优于消旋卡多曲颗粒治疗,其可有效缓解临床症状,可能与有效降低血浆TNF-α、IL-6、IL-17的水平相关。     

微创踝关节融合术治疗老年创伤性踝关节炎中的临床效果及对患者氧化损伤与骨代谢的影响

目的:研究微创踝关节融合术治疗老年创伤性踝关节炎中的临床效果及对患者氧化损伤与骨代谢的影响。方法:收集2014年3月至2015年3月我院收治的94例老年创伤性踝关节炎患者,按随机数表法分为实验组和对照组,每组各45例。两组患者在手术前均进行常规检查,对照组采用常规开放式踝关节融合术,实验组采用微创踝关节融合术。对比两组治疗后血清氧化损伤指标肌红蛋白(MYO)、缺血修饰白蛋白(IMA)、总抗氧化能力(TAC)、丙二醛(MDA)水平,骨代谢指标碱性磷酸酶(ALP)、酸性磷酸酶(ACP)、甲状旁腺素(PTH)、骨钙素(BGP)、降钙素(CT)水平,视觉疼痛模拟评分(VAS)、美国矫形外科足踝协会(AOFAS)评分及不良反应的发生情况。结果:治疗后,实验组血清MYO、IMA、MDA水平显著低于对照组[(20.48±2.59)ng/mL vs.(27.07±2.97)ng/m L,(65.68±8.20)U/L vs.(74.27±9.01)U/L,(5.01±1.03)nmol/L vs.(9.64±2.17)nmol/L](P0.05),血清TAC水平显著高于对照组[(11.40±2.50)kU/L vs.(7.36±1.03)kU/L](P0.05);血清ALP、BGP、CT水平均显著高于对照组[(103.28±12.47)U/L vs.(90.53±10.02)U/L,(11.08±1.42)ng/L vs.(8.01±1.23)ng/L,(61.39±5.87)ng/L vs.(50.28±4.92)ng/L](P0.05),ACP、PTH水平均显著低于对照组[(5.21±0.60)U/L vs.(8.03±0.92)U/L,(42.95±5.38)ng/L vs.(60.49±6.92)ng/L](P0.05);VAS评分显著低于对照组[(1.06±0.23)分vs.(3.79±0.67)分](P0.05),AOFAS评分显著高于对照组[(73.02±6.28)分vs.(65.58±5.13)分](P0.05);不良反应总发生率显著低于对照组[6.66%(3/45) vs. 20.41%(10/49)](P0.05)。结论:微创踝关节融合术可调节老年创伤性踝关节炎患者的骨代谢,增强骨密度,减少术后不良反应,有利于改善患者预后。     

负压封闭引流治疗厌氧菌感染创面的临床观察

目的:观察负压封闭引流联合双氧水冲洗治疗厌氧菌感染创面的临床治疗效果。方法:收集我院收治的创面厌氧菌感染患者60例,随机分为两组。其中,对照组(30例)患者采用常规换药治疗创面厌氧菌感染,VSD组(30例)患者给予负压封闭引流并辅以双氧水冲洗治疗。观察并比较两组患者厌氧菌清除率,以及创面愈合情况。结果:VSD组创面厌氧菌感染率明显低于对照组,创面愈合效果优于对照组,差异有统计学意义(P0.01)。结论:负压封闭引流不仅能够有效控制感染创面厌氧菌生长,而且可以有效促进创面愈合,对临床具有指导意义。     

六种藓类植物茎的比较解剖学研究

通过对6种藓类植物,即褶叶青藓(Brachythecium salebrosum(Web.et Mohr.)B.S.G.)、湿地匐灯藓(Plagiomnium acutum(Lindb.)Kop.)、侧枝匐灯藓(Plagiomnium maximoviczii(Lindb.)Kop.)、大凤尾藓(Fissidensnobilis Griff.)、大羽藓(Thuidium cymbifolium(Doz.et Molk.)B.S.G.)和大灰藓(Hypnum plumaeforme Wils.)嫩茎和老茎的石蜡切片和显微观察发现,同一藓类植株的嫩茎和老茎,茎结构稳定,不同种藓类植物茎横切面具有不同特征.植物体茎横切面形状、表层细胞的层数、细胞大小和细胞壁厚薄、皮层细胞大小和形状、中轴的有无以及比例等特征可以作为藓类植物的分科分类依据之一.     

Cause of Senescence of Nine Sorts of Flowers

The levels of endogenous phytohormones and respiratory rate in nine sorts of flowers such as Cymbidium faberi Rolfe, Nopalxochia ackermannii Kunth and others were investigated both at full bloom and senescence and meanwhile the effect of exogenous phytohormones on prolonging the blossoms and promoting ethylene production were tested. There is a high content of endogenous ethylene in all the long-lived flowere, about 3–16 folds higer than the short-lived ones. There is a high level of ABA at full blooming flowers of short-lived flowers, in which there is no or only some cytokinins in it, but the ratio of CTK (6BA+zeatin)/ABA is smaller(l.7). The endogenous ABA reached a much higher level at senescence in all nine sorts of flowers, so it is reasonable to consider that it is ABA which plays an important role of regulation in controlling flower's senescence. There is a much higher level of GA3 and zeatin in the long-lived flowers which is not demonstrated in the shortlived ones. The respiratory rate is one of the factors controtling the longevity of flowers, but it does not play a decided role. Application of 6BA and zeatin prolongs distinctly orchid’s longevity, however exogenous IAA through the promotive action on ethylene production, evidently extends the longevity of the flowers of the Nopalxochia ackermannii Kunth.     

龙胆科药用植物化学成分的研究现状

龙胆科植物在我国的分布范围很广,且多数为药用植物,其多数种属的药用植物,至今其化学成分尚未被系统研究。综述了目前龙胆科药用植物的化学成分的研究现状及一般提取方法,对近年来发现的环烯醚萜及裂环烯醚萜类化合物进行了总结,为本科药用植物的更深入研究提供了参考。     

真菌类遗传学分析的知识结构教学

本文以认知结构理论为指导,讨论了真菌类遗传分析与高等动植物遗传分析的内在联系,认为利用这种内在联系进行教学可收到好的效果并说明了作者的具体教学过程。 Abstract:In the paper, the relationship between genetic analysis of Fungi and genetic analysis of high animal and plant was discussed.A good results were obtained when we adopted this method in the teaching.     

The effects of glutamine of the maintenance of embryogenic cultures of Cryptomeria japonica

Summary Embryogenic tissues of sugi (Cryptomeria japonica) were induced on a modified Campbell and Durzan (CD) medium containing 1 μM 2,4-dichlorophenoxyacetic acid (2,4-D) and 600 mg l⁻¹ glutamine, and subcultured in the medium of the same composition for over 1 yr. This resulted in a mixed culture of embryogenic and non-embryogenic cells. When embryogenic cells were isolated and cultured independently, their capacity to form embryogenic aggregates was lost. Thus, the non-embryogenic cells present within a mixed culture system were essential to the formation of embryogenic aggregates. When embryogenic tissues were isolated and cultured independently on a high glutamine-containing (2400 mg l⁻¹) medium, dry weights and endogenous levels of glutamine increased, and the tissue could generate a large number of embryogenic aggregates. Amino acid analysis of embryogenic and non-embryogenic cells from the maintenance culture indicated a higher level of glutamine was present in the latter. The high endogenous level of glutamine in the non-embryogenic portion of mixed cell masses may be the supplier of glutamine for maintaining the embryogenic property of the tissues.     

Specificity of action of piperidylcholine derivatives as substrates of cholinesterases of various origin

The review deals with study of enzymologic properties of a novel highly specific acetylcholinesterase substrate, N-(β-acetoxyethyl) piperidinium iodomethylate (“piperidylcholine”), and its 30 derivatives that were tested as effectors of cholinesterases of mammals and various species of Pacific squids. It was proven for the first time that responsible for specificity of action was structure of cyclic ammonium grouping of the alcohol part of molecule of the ester substrate. Analysis of specificity is performed based on enzymatic hydrolysis parameters—activity of catalytic center of cholinesterases and bimolecular constant of the reaction rate that are determined at optimal and low substrate concentrations. Among the specially synthesized group of thioester compounds there is revealed one more highly specific acetylcholinesterase substrate—N-(β-acetoxyethyl) piperidinium.     

Photoregulation of seed germination of wild-type and of an aurea-mutant of tomato

Seed germination of an aurea mutant of tomato ( Lycopersicon esculentum Mill.) is promoted by continuous irradiation with red, far-red or long-wavelength far-red (758 nm) light as well as by cyclic irradiations (5 min red or 5 min far-red/25 min darkness). Far-red light applied immediately after each red does not change the germination behaviour. Seed germination of the isogenic wild-type, cv. UC-105, is promoted by continuous and cyclic red light while it is inhibited by continuous and cyclic far-red light and by continious 758 nm irradiation. Far-red irradiation reverses almost completely the promoting effect of red light. The promoting effect (in the aurea mutant) and the inhibitory effect (in the wild-type) of continuous far-red light do not show photon fluence rate dependency above 20 nmol m⁻² s⁻¹. It is concluded that phytochrome controls tomato seed germination throgh low energy responses in both the wild type and the au mutant. The promoting effect of continuous and cyclic far-red light in the au mutant can be attributed to a greater sensitivity to P_fr.     

医疗机构合理用药评价模型的构建研究

目的 针对医疗机构的合理用药水平进行评价研究。方法 根据医疗机构合理用药的具体要求,构建医疗机构合理用药评价指标体系,采用基于模糊群决策的方法和多指标评价分析法构建医疗机构合理用药评价模型。结果 构建了基于模糊群决策的医疗机构合理用药评价模型,并通过实例分析证明了评价模型的可行性。结论 建立的基于模糊群决策的医疗机构合理用药评价模型能够对医疗机构的合理用药水平进行科学评价,为提高医疗机构合理用药水平奠定基础。