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Antituberculosis Screening of Crude Extracts of M.Spicata(Dalz.) Nicolson 粗提物抗结核的筛选Nicolson
Pub Date : 2017-06-25 DOI: 10.25258/IJPCR.V9I6.8777
D. Karpe, S. Lawande
World Health Organization reports on Tuberculosis shows that TB is a big problem in the world. More than 23% cases of Tuberculosis found in India amongst global total. Plants are good sources of phytomedicines. Plants contain active constituents and are easily available in nature. The present study was done to evaluate In-vitro antituberculosis activity of crude extracts of m.spicata .We used Minimal Inhibition Concentration (MIC) method to evaluate the antituberculosis activity. Higher concentarations of crude extracts were needed to show antitubercular activity as compared with standard reference drug Isoniazid.
世界卫生组织关于结核病的报告显示,结核病是世界上的一个大问题。印度发现的结核病病例占全球总数的23%以上。植物是植物药的良好来源。植物含有有效成分,在自然界中很容易获得。本研究采用最小抑制浓度法(MIC)对粗提物的体外抗结核活性进行了评价。与标准参比药物异烟肼相比,需要更高浓度的粗提取物来显示抗结核活性。
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引用次数: 0
Indonesian Propolis Extractattenuates Unilateral Ureteral Obstruction Induced Renal Damage by Reducing Oxidative Stress and Blood Pressure 印尼蜂胶提取物通过降低氧化应激和血压减轻单侧输尿管梗阻引起的肾损害
Pub Date : 2017-06-25 DOI: 10.25258/IJPCR.V9I6.8770
A. Susanto, B. Purwanto, A. Mudigdo, S. Suroto
Ureteral obstruction may result in permanent kidney damage. Research suggests that the Indonesian Propolis Extract (IPE) play a strong role on free oxygen radicals removal and prevents oxidative stress. This study aims to investigate the efficacy of IPE on malondialdehyde (MDA) reduction and systolic blood pressure (SBP) level down-regulationafter unilateral ureteral obstruction (UUO).A total of 32 rats were divided into four groups. Group 1 as control, Group 2 were rats with UUO, Group 3 were rats with UUO that were given IPE (oral 50 mg kg-1body weight) and Group 4 were rats with UUO that were given IPE (oral 100 mgkg-1 body weight). SBP level were measured once every week within duration of experiment and at day30 blood sample were taken for Malondialdehyde analysis. Statistical analysis was performed by one-way analysis of variance. There were statistically significant increase in MDA and blood pressure in Group 2, while there were significant decrease for MDA and blood pressure in Group 3 and 4 (p less than 0.001). In this experiment we suggest that IPE prevents kidney damage by decreasing oxidative stress (MDA) and SBP.
输尿管梗阻可导致永久性肾损害。研究表明,印尼蜂胶提取物(IPE)对清除自由基和防止氧化应激有很强的作用。本研究旨在探讨IPE对单侧输尿管梗阻(UUO)后丙二醛(MDA)降低和收缩压(SBP)水平下调的影响。将32只大鼠分为4组。1组为对照组,2组为UUO大鼠,3组为UUO大鼠,给予IPE(口服50 mgkg-1体重),4组为UUO大鼠,给予IPE(口服100 mg -1体重)。实验期间每周测量一次收缩压水平,第30天时采血进行丙二醛分析。统计学分析采用单因素方差分析。2组患者MDA、血压升高,3、4组患者MDA、血压降低,差异均有统计学意义(p < 0.001)。在本实验中,我们提示IPE通过降低氧化应激(MDA)和收缩压来预防肾脏损伤。
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引用次数: 1
Effects of Upper Limb Strengthening Exercises on Handwriting Speed in Undergraduate Students 上肢强化训练对大学生书写速度的影响
Pub Date : 2017-06-25 DOI: 10.25258/IJPCR.V9I6.8778
P. Kamalanathan, H. Banu
Back ground:- Handwriting is an essential tool required by students. It is a complex process which involves close coordination between musculoskeletal and nervous system.Objective:-To assess the effects of upper limb strengthening exercises on handwriting speed in undergraduate students Study design: - Experimental Design. Subjects: - Applying inclusion and exclusion criteria, 30subjects were Randomly selected and Group A (15 subjects) who underwent Strengthening exercises for upperlimb and GroupB (15 subjects) who underwent Writing Practice. Results: -Statistical analysis was done by using Paired‘t’ test in which Group A(p less than .01) showed significant improvement in handwriting speed when compared with Group B. Conclusion: -Upper limb strengthening exercise programmes can be used to improve the hand writing speed.
背景:书写是学生必备的工具。这是一个肌肉骨骼和神经系统密切协调的复杂过程。目的:评价上肢强化训练对大学生书写速度的影响。-采用纳入和排除标准,随机选取30例受试者,A组(15例)进行上肢强化训练,b组(15例)进行写作练习。结果:-采用配对'检验进行统计学分析,A组与b组相比,书写速度有显著提高(p < 0.01)。结论:-上肢强化运动方案可提高书写速度。
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引用次数: 4
Homology Modeling of Mus Musculus CDK5 and Molecular Docking Studies with Flavonoids 小家鼠CDK5的同源性建模及与黄酮类化合物的分子对接研究
Pub Date : 2017-06-25 DOI: 10.25258/IJPCR.V9I6.8779
Sowmya Suri, Rumana Waseem, Seshagiri Bandi, Sania Shaik
A 3D model of Cyclin-dependent kinase 5 (CDK5) (Accession Number: Q543f6) is generated based on crystal structure of P. falciparum PFPK5-indirubin-5-sulphonate ligand complex (PDB ID: 1V0O) at 2.30 A resolution was used as template. Protein-ligand interaction studies were performed with flavonoids to explore structural features and binding mechanism of flavonoids as CDK5 (Cyclin-dependent kinase 5) inhibitors. The modelled structure was selected on the basis of least modeler objective function. The model was validated by PROCHECK. The predicted 3D model is reliable with 93.0% of amino acid residues in core region of the Ramachandran plot. Molecular docking studies with flavonoids viz., Diosmetin, Eriodictyol, Fortuneletin, Apigenin, Ayanin, Baicalein, Chrysoeriol and Chrysosplenol-D with modelled protein indicate that Diosmetin is the best inhibitor containing docking score of -8.23 kcal/mol. Cys83, Lys89, Asp84. The compound Diosmetin shows interactions with Cys83, Lys89, and Asp84.
以恶性疟原虫pfpk5 -靛红素-5-磺酸配体复合物(PDB ID: 1v0)的晶体结构为基础,以2.30 A分辨率为模板,建立了周期蛋白依赖性激酶5 (CDK5)的三维模型(Accession Number: Q543f6)。通过与黄酮类化合物的蛋白质-配体相互作用研究,探索黄酮类化合物作为CDK5(细胞周期蛋白依赖性激酶5)抑制剂的结构特征和结合机制。根据最小建模目标函数选择模型结构。通过PROCHECK对模型进行验证。预测的三维模型是可靠的,在Ramachandran图的核心区域有93.0%的氨基酸残基。黄酮类化合物、薯蓣皂苷、Eriodictyol、Fortuneletin、Apigenin、Ayanin、黄芩苷、Chrysoeriol和chrysospolol - d与模型蛋白的分子对接研究表明,薯蓣皂苷是最佳抑制剂,对接评分为-8.23 kcal/mol。lys83, Lys89, Asp84。化合物薯蓣皂苷与lys83、Lys89和Asp84相互作用。
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引用次数: 0
Determination of Sensitivity and Specificity of Cardio-Goniometry in Detection of Coronary Artery Disease in Patients with Osteoporosis and Rheumatoid Arthritis 骨质疏松和类风湿关节炎患者冠状动脉病变的敏感性和特异性测定
Pub Date : 2017-06-25 DOI: 10.25258/IJPCR.V9I6.8773
F. Ahmadi, S. M. Seyedian, Bita Abdipour, E. Rajaee, Mehrdad Dargahi-Malamir
Background: This study aimed to determine the sensitivity and specificity of cardio-goniometry (CGM ) in detection of coronary artery disease in patients with osteoporosis and rheumatoid arthritis that have symptoms of chest pain through angiography or radionuclide myocardial perfusion imaging (MPI). Study Methods and design:100 patients with osteoarthritis and rheumatoid arthritis, according to WHO criteria suspected to have ischemic heart disease enrolled in study. The patients were studied by cardio-goniometry and then the results were compared with angiography or MPI of the same patient (selected as standard diagnosis method). then sensitivity and specificity of cardio-goniometry were calculated. Results: 71 patients underwent to angiography and in 29 patients MPI was done. In first a group 42 patients had Coronary artery disease (CAD). In MPI group 18 patients had CAD in CGM.Seventy-one of these patients underwent angiography for diagnose of ischemic heart disease .29 of them diagnosed as healthy. Of the 100 patients, 29 patients were evaluated previously using MPI to determine ischemic heart disease .11 patients diagnosed as healthy. All 100 patients were examined by cardio-goniometry among which 47 subjects were healthy and the rest subjects had significant and nonsignificant ischemia. Statistical analyses didn’t show significant difference between the results of cardio-goniometry with angiography and myocardial perfusion (p Value >0/05). the results showed the sensitivity and specificity of cardiogoniometry compared rather than angiography and cardiac scan was equal to 0/86 and 0/63. Conclusion: CGM can be suitable for screening of ischemic heart disease in patients with Rheumatoid arthritis and osteoporosis (who cannot do
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引用次数: 0
Chemical Composition and Physicochemical Properties of Essential Oil from Myrtus communis 桃金娘精油的化学成分及理化性质研究
Pub Date : 2017-06-25 DOI: 10.25258/IJPCR.V9I6.8772
Z. Hagos, Afework Mulugeta, V. Gopalakrishnan, K. Chaithanya, B. Nagaraju
Objective: The objective of the study was to extract the essential oil and to determine the physicochemical properties, chemical composition of the essential oil from Myrtus communis leaves by using GC-MS. Methods: 500 g of the powdered material (dried leaves) was subjected to hydro-distillation using Clevenger-type apparatus for 3 hours and the essential oil was dried over anhydrous sodium sulphate. The physicochemical properties essential oil such as solubility, density, specific gravity, refractive index, optical rotation, specific rotation, acid value, saponification value and ester value were determined, which are used to determine the quality of essential oils extracted from plant leaves. The chemical composition of the essential oil of Myrtus communis leaves was analysed using GC-MS. Results: The yield of essential oil of Myrtus communis leaves was 0.463  0.001 g/100 gram of dry sample which is 0.463  0.001 % (w/w) with pale yellow colour and pleasant odour. The essential oil of Myrtus communis leaves was slightly soluble in water and ethanol while it was soluble in chloroform, petroleum ether and ethyl acetate. The essential oil was subjected to GC-MS analyses, twenty eight components representing 99.949 % of the total oil composition. Conclusion: The present study indicates that the extraction of essential oil from Myrtus communis leaves and GC-MS analysis, the essential oil of this plant have a potential of secondary metabolites which can be exploited as a good source of bioactive substances.
目的:采用气相色谱-质谱联用技术对桃金娘叶挥发油进行提取,测定其理化性质和化学成分。方法:取500 g粉末状物质(干叶),用clevenger式蒸馏仪加水蒸馏3小时,用无水硫酸钠干燥精油。测定了挥发油的溶解度、密度、比重、折射率、旋光度、比旋光度、酸值、皂化值、酯值等理化性质,用于测定植物叶片精油的质量。采用气相色谱-质谱法对桃金娘叶挥发油的化学成分进行了分析。结果:桃金娘叶精油得率为0.4630.001 g/100 g,提取率为0.4630.001 % (w/w),颜色淡黄色,香气宜人。桃金娘叶精油微溶于水和乙醇,易溶于氯仿、石油醚和乙酸乙酯。经气相色谱-质谱分析,28种成分占总油成分的99.949%。结论:通过对桃金娘叶精油的提取和GC-MS分析,表明桃金娘叶精油具有次生代谢产物的潜力,可作为生物活性物质的良好来源开发利用。
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引用次数: 6
In Vitro Preliminary Phytochemical Screening and Free Radical Scavenging Ability of Drosera indica L. 黄芪的体外初步植物化学筛选及自由基清除能力。
Pub Date : 2017-05-25 DOI: 10.25258/IJPCR.V9I5.8601
K. Asha, S. Hemmalakshmi, S. Priyanga, K. Devaki
Aim: The present study is carried out to explore the preliminary phytochemical screening and free radical scavenging activity of the whole plant Drosera indica L. Methods: a) Phytochemical screening – The qualitative analysis of secondary metabolites is carried out by the standard qualitative methods. b) In vitro free radical scavenging activity of the ethanolic and aqueous extract of the whole plant Drosera indica L is used for the analysis .Various concentrations (100 – 500mcg/ml) of the ethanol and aqueous extracts of Drosera indica L. are used in the various antioxidant assay methods such as reducing power, ferric reducing antioxidant power assay (FRAP), nitric oxide (NO) radical,2,2’ azinobis-3 ethylbenzothiozoline-6 sulfonic acid (ABTS+) radical, hydroxyl radical (OH.), 1,1-diphenyl-2-picryl hydroxyl (DPPH) radical , super oxide radical and hydrogen peroxide (H2O2) is carried out with the standard protocols. In all the assays ascorbic acid is used as the standard antioxidant. Results: Phytochemical screening of the plants reveal the presence of numerous chemicals including flavanoids, tannins, polyphenols, cardiac glycosides and saponins. The ethanolic extract of Drosera indica L. shows better ability to scavenge ,1,1-diphenyl-2-picryl hydroxyl( DPPH)radical, hydroxyl radical, hydrogen peroxide, nitric oxide radical and superoxide radical. FRAP and the reducing power abilities of the ethanolic extract is increased with the increase in concentration of the plant extract. Conclusion: The ethanolic extract of Drosera indica L. shows better ability to scavenge the free radicals than the aqueous extract. From this study, a conclusion is drawn that Drosera indica L. can have more beneficial effects with respect to the presence of many active secondary metabolites which may likely to combat with the oxidative stress diseases like diabetes, cancer, cardio-vascular diseases and in general boost the immune system.
目的:本研究旨在探讨全植物Drosera indica L.的初步植物化学筛选和自由基清除活性。方法:a)植物化学筛选-二级代谢产物采用标准定性方法进行定性分析。b)采用全株Drosera indica L乙醇和水提物的体外自由基清除活性进行分析。采用不同浓度(100 - 500mcg/ml)的Drosera indica L乙醇和水提物进行各种抗氧化测定,如还原力、铁还原抗氧化力测定(FRAP)、一氧化氮(NO)自由基、2,2 '氮化氮-3乙基苯并噻唑-6磺酸(ABTS+)自由基、羟基自由基(OH)、1,1-二苯基-2-苦基羟基(DPPH)自由基、超氧化物自由基和过氧化氢(H2O2)按照标准方案进行。在所有的测定中,抗坏血酸被用作标准抗氧化剂。结果:植物化学筛选结果显示,黄酮类化合物、单宁、多酚、心苷和皂苷等多种化学物质的存在。牛膝草醇提物对DPPH、羟基自由基、过氧化氢、一氧化氮自由基和超氧自由基具有较好的清除能力。随着植物提取物浓度的增加,乙醇提取物的FRAP和还原能力增强。结论:牡丹醇提物对自由基的清除能力优于水提物。从这项研究中得出的结论是,就许多活跃的次级代谢物的存在而言,籼菜具有更有益的作用,这些代谢物可能与糖尿病、癌症、心血管疾病等氧化应激疾病作斗争,并总体上增强免疫系统。
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引用次数: 0
A Preliminary Novel Findings on Invitro Anti-Coagulant Activity of Acalypha Indica Linn Leaf Extracts 猕猴桃叶提取物体外抗凝血活性的初步研究
Pub Date : 2017-05-25 DOI: 10.25258/ijpcr.v9i5.8607
A. U, A. S
The current study focuses on anticoagulant activity of leaf extract of Acalypha indica (A.indica) and to identify the active constituents present and responsible for the anti-coagulation activity. On sequential extraction of plant materials with petroleum ether, chloroform, ethyl acetate, n-butanol, ethanol and aqueous, crude extracts were obtained and screened for anti-coagulant activity. Anticoagulant activity of six different leaf extracts of A.indica was tested using prothrombin time (PT). In vitro anticoagulation assays were performed with different concentrations of the leaf extract on citrated plasma obtained from healthy volunteer donors. The different concentrations of crude extract tested in the present study were 0.062, 0.125, 0.25 and 0.5 gm/ml. The anti-coagulant activity of six extracts exhibited a concentration dependent activity. Among the six tested extracts, petroleum ether exhibited a highest activity by increased prothrombin time of 60min and 5 sec at 0.5gm/ml compared to positive and negative control. This is followed by aqueous, n-butanol, chloroform and ethyl acetate extract. It was also noted that ethanol extract showed no prolonged prothrombin time and it was within the normal level as compared to the control. Phytochemical screening of different extracts revealed the presence of steroids, terpenoids, tannin, phenols, flavonoids and alkaloids as secondary metabolites. From the results, for the first time it was highlighted that the A.indica leaf extracts affects the intrinsic pathway of coagulation cascade and thus prolongs the clotting time, hence this plant can be used in the management of blood clotting diseases.
本研究主要对猕猴桃叶提取物的抗凝血活性进行研究,以确定其抗凝血活性的有效成分。用石油醚、氯仿、乙酸乙酯、正丁醇、乙醇和水对植物材料进行顺序提取,得到粗提物,并对其抗凝血活性进行筛选。采用凝血酶原时间(PT)法测定了6种不同叶提取物的抗凝血活性。用不同浓度的叶提取物对健康志愿者供体的柠檬酸血浆进行体外抗凝试验。本研究测定的粗提物浓度分别为0.062、0.125、0.25、0.5 gm/ml。6种提取物的抗凝血活性表现出浓度依赖性。在6个被试提取物中,石油醚在0.5gm/ml条件下的活性最高,与阳性对照和阴性对照相比,其凝血酶原时间分别增加了60min和5sec。然后是水溶液、正丁醇、氯仿和乙酸乙酯萃取物。我们还注意到,乙醇提取物没有延长凝血酶原时间,与对照组相比,它在正常水平内。不同提取物的植物化学筛选结果显示,次生代谢产物包括类固醇、萜类、单宁、酚类、黄酮类和生物碱。本研究结果首次强调了籼稻叶提取物对凝血级联内在通路的影响,从而延长了凝血时间,因此该植物可用于治疗凝血疾病。
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引用次数: 3
A Study of Sleep Disorders in Patients with Chronic Kidney Disease (CKD) 慢性肾病(CKD)患者睡眠障碍的研究
Pub Date : 2017-05-25 DOI: 10.25258/IJPCR.V9I5.8594
A. Hussein, A. E. hadidy, N. Gomaa, Y. Amin, T. El-Shabouny
Sleep apnea is an important comorbidity in patients with chronic kidney disease (CKD). Although the increased prevalence of sleep apnea in patients with CKD is well established, few studies have examined the full spectrum of kidney function. We sought to determine the prevalence of sleep apnea and associated nocturnal hypoxia in patients with CKD. We hypothesized that the prevalence of sleep apnea would increase progressively as kidney function declines. 45 patients were recruited from outpatient nephrology clinics, nephrology department, and hemodialysis units. All patients completed an overnight inpatient polysomnograhy test to determine the prevalence of sleep apnea (AHI ≥ 5 events /h) and nocturnal hypoxia (oxygen saturation (SaO2) below 90% for ≥12% of the nocturnal monitoring time). Patients were stratified according to their estimated glomerular filtration rate (eGFR) at the time of the study visit into three groups as follows: CKD stage 2 (eGFR 60 to 89 mL/min/1.73 m2) (control group), CKD stages 3 and 4 (eGFR 15 to 59 mL/min/1.73 m2), and CKD stage 5 (eGFR less than 15 mL/min/1.73 m2). eGFR was calculated using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation. Out of the 45 patients included in our study with the full spectrum of kidney function, ranging from those with eGFR 60 to 89 ml/min./1.73m2 to patients with eGFR less than 15 ml/min./1.73m2, 15 (33.3%) had sleep apnea (Mean AHI; 8.71±5.86). Our study found that prevalence of sleep apnea increased as kidney function declined (Group (I), 20%; Group (II), 36.4%; Group (III), 37.5%). Furthermore, severity of sleep apnea increased as kidney function declined (Group (I), mean AHI: 5.75±0.35; Group (II), mean AHI: 6±1.38; Group (III), mean AHI: 10.6±7.04). We also found that prevalence of nocturnal hypoxia which is characteristically associated with sleep apnea was greater among groups (II) and (III) (27.3% and 16.7%, respectively) than in group (I) (10%). Severity of nocturnal hypoxia increased as kidney function declined (Group (I), 13%; Group (II), 13.6±1.22%; Group (III), 16.75±3.30%). Overall, 8 out of the 45 studied CKD patients (17.8%) had nocturnal hypoxia (Mean SaO2 below 90% for ≥12% of the nocturnal monitoring time; 15.1±2.87%). Our study revealed that as kidney function declined, Apnea/Hypopnea (AHI) indices increased, oxygen desaturation indices increased, minimal peripheral capillary oxygen saturation values decreased, peripheral capillary oxygen saturation time less than 90% increased, and snore indices increased. Also, respiratory distress index (RDI) was higher among groups (II) and (III) than in group (I). However, only differences between groups as regards respiratory distress events, respiratory distress indices, snore events, and snore indices were statistically significant. These results show that as kidney function declines, several respiratory parameters deteriorate during sleep. In addition, wake events and indices, and sleep stage 1 (%) i
睡眠呼吸暂停是慢性肾脏疾病(CKD)患者的重要合并症。虽然CKD患者睡眠呼吸暂停的患病率增加已经得到证实,但很少有研究对肾功能进行全面检查。我们试图确定CKD患者睡眠呼吸暂停和相关夜间缺氧的患病率。我们假设睡眠呼吸暂停的患病率会随着肾功能的下降而逐渐增加。从门诊肾内科、肾内科和血液透析单位招募45例患者。所有患者均完成过夜住院多导睡眠图检查,以确定睡眠呼吸暂停(AHI≥5事件/小时)和夜间缺氧(血氧饱和度(SaO2)低于90%,夜间监测时间≥12%)的患病率。根据研究访问时估计的肾小球滤过率(eGFR)将患者分为三组:CKD 2期(eGFR 60至89 mL/min/1.73 m2)(对照组),CKD 3期和4期(eGFR 15至59 mL/min/1.73 m2)和CKD 5期(eGFR小于15 mL/min/1.73 m2)。eGFR采用慢性肾脏疾病流行病学合作(CKD-EPI)方程计算。在我们研究的45例肾功能全谱患者中,从eGFR 60 - 89 ml/min /1.73m2到eGFR小于15 ml/min /1.73m2, 15例(33.3%)有睡眠呼吸暂停(平均AHI;8.71±5.86)。我们的研究发现,睡眠呼吸暂停的患病率随着肾功能的下降而增加(I组,20%;II组,36.4%;III组,37.5%)。此外,睡眠呼吸暂停的严重程度随着肾功能的下降而增加(I组,平均AHI: 5.75±0.35;II组,平均AHI: 6±1.38;III组,平均AHI: 10.6±7.04)。我们还发现,与睡眠呼吸暂停相关的夜间缺氧在(II)和(III)组中的患病率(分别为27.3%和16.7%)高于(I)组(10%)。夜间缺氧的严重程度随着肾功能的下降而增加(I组,13%;II组:13.6±1.22%;III组,16.75±3.30%)。总体而言,45例CKD患者中有8例(17.8%)出现夜间缺氧(平均SaO2低于90%,夜间监测时间≥12%;15.1±2.87%)。我们的研究发现,随着肾功能的下降,呼吸暂停/低通气(AHI)指数升高,氧去饱和指数升高,最小外周毛细血管氧饱和度值降低,外周毛细血管氧饱和度小于90%的时间增加,打鼾指数升高。(II)组和(III)组呼吸窘迫指数(RDI)均高于(I)组。但只有呼吸窘迫事件、呼吸窘迫指数、打鼾事件和打鼾指数组间差异有统计学意义。这些结果表明,随着肾功能下降,睡眠期间一些呼吸参数也会恶化。此外,觉醒事件和指数以及睡眠阶段1(%)随着肾功能的恶化而增加。睡眠效率(%)在(I)组患者中最高,在(II)组和(III)组患者中较低;轻度睡眠(%)在(I)组患者中最低,在(II)组和(III)组患者中较高;深度睡眠(%)在(I)组患者中最高,在(II)组和(III)组患者中较低。从上述结果可以清楚地看出,随着肾功能下降,睡眠效率恶化,清醒指数增加,轻度睡眠(%)增加,深度睡眠(%)减少。我们得出结论,CKD患者睡眠呼吸暂停的患病率和严重程度随着肾功能下降而增加。几乎18%的CKD患者经历夜间缺氧,这可能导致肾功能丧失。
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引用次数: 1
Spectrophotometeric Determination of Trifluoperazine HCL in Pure Forms and Pharmaceutical Preperations 分光光度法测定盐酸三氟拉嗪的纯度和制剂
Pub Date : 2017-05-25 DOI: 10.25258/IJPCR.V9I5.8593
M. H. Hamzah, Rawa M. M Taqi, M. M. Hasan, Raid J. M. Al-Timimi
A simple and accurate spectrophotometric method for the determination of Trifluoperazine HCl in pure and dosage forms was developed. The method is based on the reaction between Trifluoperazine HCl and p-chloroaniline in the presence of cerium ion as oxidizing agent which lead to the formation of violate color product that absorbed at a maximum wavelength 570nm while the blank solution was pink. Under the optimum conditions a linear relationship between the intensity and concentration of TRF in the range 4-50μg/ml was obtained . The molar absorptivity 3.74×103 L.mol-1.cm-1 , Limit of detection (2.21μg/ml), while limit of quantification was 7.39μg/ml. The proposed analytical method was compared with standard method using t-test and F-test , the obtained results shows there is no significant differences between proposed method and standard method. Based on that the proposed method can be used as an alternative method for the determination of TRF in pure and dosage forms.
建立了一种简便、准确的分光光度法测定盐酸三氟拉嗪纯剂型和剂型的含量。该方法是在铈离子作为氧化剂的情况下,盐酸三氟拉嗪与对氯苯胺发生反应,生成在最大波长570nm处被吸收的暗色产物,而空白溶液为粉红色。在最佳条件下,TRF浓度与浓度在4 ~ 50μg/ml范围内呈线性关系。摩尔吸收率3.74×103 l mol-1。cm-1的检出限为2.21μg/ml,定量限为7.39μg/ml。采用t检验和f检验将所提出的分析方法与标准方法进行比较,结果表明所提出的分析方法与标准方法无显著差异。基于此,所提出的方法可作为测定纯剂型和剂型中的TRF的替代方法。
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引用次数: 5
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药学与临床研究
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