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Simultaneous Estimation and Stability Indicating Method of Vildagliptin And Dapagliflozin by RP-HPLC in Pharmaceutical Dosage Form 药物剂型中维达列汀和达帕格列净的 RP-HPLC 同步估算和稳定性指示方法
Pub Date : 2024-04-01 DOI: 10.33140/iimj.02.04.02
Vildagliptin and Dapagliflozin drugs are used for the management of diabetes.The primary objective of the proposed research was to develop and validate analytical methods for simultaneous quantification of vildagliptin and dapagliflozin in pharmaceutical dosage form. Both the drugs were subjected to force degradation to ensure stability of pharmaceutical products. The HPLC method development was carried out on C18 column (250mm*4.6mm,5µm particle size). The chromatographic separation was achieved by isocratic mode with a mixture of Methanol: 0.01% Trifluoro acetic acid (pH-2.78) in the ratio of 95:05 % v/v as mobile phase. Flow rate was kept at 0.8 ml/min and selected wavelength for estimation was 210 nm. Stress testing with acid, alkaline, oxidative and thermal degradation was performed. The retention time was found to be 2.282 min and 4.070 min for vildagliptin and dapagliflozin, respectively. The drugs response found to be linear with correlation coefficient value was nearly 0.999 for vildagliptin and dapagliflozin with linearity range of 10 – 60 µg/ml. The recoveries from studies were found to be 99.78% and 100.17% for vildagliptin and dapagliflozin respectively. LOD and LOQ were found to be lower, hence the method proved sensitivity. Method was validated as per ICH guideline Q2(R1). Drugs had shown more degradation in oxidative condition, 10.62% and 13.52% for vildagliptin and dapagliflozin, respectively. The proposed method would be successfully applied for the stability indicating, impurity separation, qualitative and quantitative estimation of vildagliptin and dapagliflozin in pharmaceutical dosage form and in process quality control analysis.
拟议研究的主要目的是开发和验证同时定量分析药物剂型中维达列汀和达帕格列净的方法。为确保药品的稳定性,对这两种药物都进行了强制降解。采用 C18 色谱柱(250mm*4.6mm,5µm 粒径)进行高效液相色谱分析。色谱分离采用等度模式,流动相为甲醇:0.01%三氟乙酸(pH-2.78),流速为 0.8 mL/min。流速保持为 0.8 ml/min,选定的测定波长为 210 nm。进行了酸、碱、氧化和热降解压力测试。发现维达列汀和达帕格列净的保留时间分别为 2.282 分钟和 4.070 分钟。维达列汀和达帕格列净的线性范围为 10 - 60 µg/ml,药物反应呈线性关系,相关系数接近 0.999。研究发现,维达列汀和达帕格列净的回收率分别为 99.78% 和 100.17%。LOD和LOQ较低,因此证明了该方法的灵敏度。根据 ICH 准则 Q2(R1)对该方法进行了验证。药物在氧化条件下的降解率较高,维达列汀和达帕利洛嗪的降解率分别为 10.62% 和 13.52%。所建议的方法可成功地应用于药物剂型中维达列汀和达帕格列净的稳定性指示、杂质分离、定性和定量估测以及过程质量控制分析。
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引用次数: 1
Urinalysis Results And Resistance To Hospital Treatment With Injectable Antimalarials In Angola 安哥拉的尿液分析结果和医院对注射抗疟药物治疗的耐药性
Pub Date : 2023-12-18 DOI: 10.33140/iimj.01.06.03
Background: Resistance to antimalarial drugs often used in emerging countries, including combination therapies, has forced scientists to search for and develop drugs with novel mechanisms of action, especially resistance to Plasmodium falciparum and Plasmodium vivax, which are highly prevalent in Southeast Asia, Africa, and South America. Objective: evaluate whether there is a relationship between urinalysis and resistance to in-hospital treatment of malaria in Angola. Methodology: This was a cross-sectional, prospective study with a quantitative approach. Results: of the 214 patients, the resistance rate was 24.1%, men (53.6%), between 21 and 40 years old (72.7%), employees (46.4%), from peri-urban regions (77.7%), treated with artemether (90.9), with high parasitemia (57.7%) and after 5 days of treatment, remained hospitalized (61.4%). Was a significant relationship between resistance in unemployed individuals [OR: 0.03 (95% CI: 0.01-0.29), p =0.003] and high levels of parasitemia [OR: 1.09 (95% CI: 1.09-3.95), p=0.040], remained hospitalized for more than 5 days [OR: 5.28 (95% CI: 0.65-43.1), p=0.121] and death [OR: 2.59 (95% CI: 0.32-20.9), p=0.371] when compared with other subgroups. Was a significant relationship between resistance to clear urine [OR: 5.55 (95% CI: 0.72-42.7), p =0.016], few urinary crystals [OR: 11.3 (95% CI: 5.07-25.3), p <0.001] and who presented some microorganisms that were not bacteria or fungi [OR: 3.02 (95% CI: 1 .32-6.90), p=0.009]. Conclusion: urine results, especially the appearance of cloudy urine, the presence of few crystals, and the presence of other microorganisms that are not bacteria or fungi, may be clear signs of resistance to hospital treatment with injectable antimalarials.
背景:新兴国家经常使用的抗疟药物(包括联合疗法)产生了抗药性,这迫使科学家寻找和开发具有新型作用机制的药物,尤其是对东南亚、非洲和南美洲高发的恶性疟原虫和间日疟原虫产生抗药性的药物。目的:评估尿液分析与安哥拉疟疾院内治疗抗药性之间是否存在关系。研究方法:这是一项横断面前瞻性定量研究。结果:在214名患者中,耐药率为24.1%,男性(53.6%),21至40岁(72.7%),雇员(46.4%),来自城市周边地区(77.7%),接受蒿甲醚治疗(90.9%),寄生虫血症较高(57.7%),治疗5天后仍住院(61.4%)。失业人员的抗药性[OR:0.03(95% CI:0.01-0.29),p=0.003]与高寄生虫血症水平[OR:1.09(95% CI:1.09-3.95),p=0.040]、住院超过 5 天[OR:5.28(95% CI:0.65-43.1),p=0.121]和死亡[OR:2.59(95% CI:0.32-20.9),p=0.371]与其他亚组相比。尿液清澈[OR:5.55 (95% CI:0.72-42.7),p =0.016]、尿液结晶少[OR:11.3 (95% CI:5.07-25.3),p <0.001]和出现一些非细菌或真菌的微生物[OR:3.02 (95% CI:1.32-6.90),p=0.009]之间存在明显的抵抗力关系。结论:尿液结果,尤其是尿液出现浑浊、出现少量结晶以及出现非细菌或真菌的其他微生物,可能是对医院使用注射用抗疟药治疗产生耐药性的明显迹象。
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引用次数: 0
Betel Quid Chewing and Alcohol Consumption Co- Variate with Detection of Epstein - Barr Virus (EBV) DNA in Oral Squamous Cell Carcinoma Tissues: Preliminary Evidence from a Subset of an Unmatched Case-Control Study 嚼槟榔和饮酒与口腔鳞状细胞癌组织中 Epstein - Barr 病毒 (EBV) DNA 的检测存在共同差异:来自非匹配病例对照研究子集的初步证据
Pub Date : 2023-11-20 DOI: 10.33140/iimj.01.05.04
Introduction: There is a dearth of information on the detection of oncogenic EBV in oral squamous cell carcinoma tissues in the Sri Lankan context. This subset of an unmatched case-control study aims to detect EBV-DNA in oral squamous cell carcinoma tissues of a group of Sri Lankan male patients. Method: Subset was selected representing the vast majority of OSCC patients in Sri Lanka, from an unmatched case-control study. Incisional biopsies of cases and excisional biopsies of controls were collected and stored at -800 C. DNA was extracted from frozen specimens, and Real-Time PCR was performed to detect target DNA of this ubiquitous virus, in histologically confirmed 27 Oral Squamous Cell Carcinoma (OSCC) cases and clinically diagnosed 26 Fibroepithelial-Polyp (FEP) controls with better quality DNA. Socio-demographic and substance abuse data were collected from 29 cases and 25 controls by a pretested interviewer-administered questionnaire, and the data were entered and analyzed using the SPSS-21 Statistical Package. Results: Descriptive and inferential statistics were used to determine the significance of qualitative and quantitative data statistically. The overall EBV prevalence was 34/53 (64.2%). In OSCC cases the EBV positivity was higher 21(77.8%) than the FEP controls 13 (50.0%), and this difference was statistically significant (p = 0.035). The cases were higher betel quid chewers (p = 0.003) and heavy alcohol consumers (p =0.001) than the control group. Conclusion: Betel quid chewing and alcohol consumption co-variate with the detection of Epstein-Barr virus (EBV) DNA in oral squamous cell carcinoma tissues which warrants further investigations.
导言:在斯里兰卡,有关在口腔鳞状细胞癌组织中检测致癌 EBV 的信息十分匮乏。本研究是一项非匹配病例对照研究的子研究,旨在检测一组斯里兰卡男性患者口腔鳞状细胞癌组织中的 EBV DNA。研究方法:从一项非匹配病例对照研究中选取代表斯里兰卡绝大多数口腔鳞状细胞癌患者的子集。从冷冻标本中提取DNA,并对组织学确诊的27例口腔鳞状细胞癌(OSCC)病例和临床诊断的26例多发性纤维上皮细胞癌(FEP)对照病例进行Real-Time PCR,以检测这种无处不在的病毒的目标DNA。通过预先测试的访谈者发放的调查问卷,收集了 29 例病例和 25 例对照者的社会人口学和药物滥用数据,并使用 SPSS-21 统计软件包对数据进行了输入和分析。结果采用描述性和推论性统计方法对定性和定量数据进行统计分析。总的 EBV 感染率为 34/53(64.2%)。在 OSCC 病例中,21 例(77.8%)的 EBV 阳性率高于 13 例(50.0%)的 FEP 对照组,这一差异具有统计学意义(P = 0.035)。与对照组相比,病例中咀嚼槟榔者(p = 0.003)和酗酒者(p = 0.001)更多。结论咀嚼槟榔和饮酒与口腔鳞状细胞癌组织中检测到 Epstein-Barr 病毒 (EBV) DNA 有共同作用,值得进一步研究。
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引用次数: 0
IoT Integration in Telemedicine: Investigating the Role of Internet of Things Devices in Facilitating Remote Patient Monitoring and Data Transmission 远程医疗中的物联网集成:研究物联网设备在促进远程病人监测和数据传输中的作用
Pub Date : 2023-11-14 DOI: 10.33140/iimj.01.05.03
Introduction: The integration of Internet of Things (IoT) technology with telemedicine has ushered in a groundbreaking era for healthcare, allowing for remote monitoring and data transmission of patients. This research paper aims to explore the complex relationship between IoT devices and telemedicine, examining their combined potential to improve patient care and transform healthcare workflows. Method: To gain a deeper understanding of the impact of IoT-powered telemedicine, a qualitative study was conducted to explore the experiences and perspectives of both healthcare practitioners and patients. Using in-depth interviews and content analysis, we examined the integration of IoT devices, such as wearables and remote sensors, into telemedicine platforms. This allowed us to uncover real-time health data collection and transmission from patients' homes to medical professionals. Result: This study's analysis of the benefits, challenges, and user satisfaction indicates that IoT-powered remote patient monitoring significantly enhances patient care by facilitating timely interventions and reducing hospital admissions, ultimately leading to improved healthcare outcomes and highlighting the effectiveness of IoT-powered remote patient monitoring in relation to healthcare outcomes. Furthermore, we analyze the complex technical factors that influence the effective deployment of IoT devices in telehealth settings. The integration of telemedicine with IoT technology is a complex process that requires careful consideration of several factors, including data security, interoperability, and data analytics. These factors play a crucial role in ensuring the effective and secure exchange of health information between different systems. The insights gained from this research can help to inform the development of best practices for telemedicine, ultimately improving patient care and outcomes. The findings also have implications for healthcare providers, technology developers, and policymakers who seek to leverage IoTintegrated telehealth solutions in their work.
引言物联网(IoT)技术与远程医疗的结合为医疗保健开创了一个开创性的时代,实现了对病人的远程监控和数据传输。本研究论文旨在探讨物联网设备与远程医疗之间的复杂关系,研究它们在改善患者护理和改变医疗保健工作流程方面的综合潜力。方法:为了深入了解由物联网驱动的远程医疗的影响,我们开展了一项定性研究,探讨医疗从业人员和患者的经验和观点。通过深入访谈和内容分析,我们研究了将可穿戴设备和远程传感器等物联网设备整合到远程医疗平台的情况。这使我们得以揭示实时健康数据收集以及从患者家中向医疗专业人员传输数据的过程。研究结果本研究对益处、挑战和用户满意度的分析表明,物联网支持的远程患者监护通过促进及时干预和减少入院次数,显著提高了患者护理水平,最终改善了医疗效果,并突出了物联网支持的远程患者监护在医疗效果方面的有效性。此外,我们还分析了影响物联网设备在远程医疗环境中有效部署的复杂技术因素。远程医疗与物联网技术的整合是一个复杂的过程,需要仔细考虑多个因素,包括数据安全性、互操作性和数据分析。这些因素在确保不同系统之间有效、安全地交换健康信息方面起着至关重要的作用。从这项研究中获得的见解有助于为远程医疗最佳实践的发展提供信息,最终改善患者护理和治疗效果。研究结果还对医疗服务提供者、技术开发人员和政策制定者在其工作中寻求利用物联网集成远程医疗解决方案具有重要意义。
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引用次数: 0
Chromosomes and the Mitotic Cell Cycle Phase in Onion Roots 洋葱根中的染色体和有丝分裂细胞周期阶段
Pub Date : 2023-11-14 DOI: 10.33140/iimj.01.05.02
Onions (Allium cepa) are commonly employed in vitro to evaluate the effects of chemical agents. Onion chromosomes have long been prepared using the acetic orcein staining technique. However, aceto-orcein stain is corrosive and deadly since it contains oxidizing agents like organic peroxides, toxic compounds like cyanides, acid corrosives, and radioactive materials. This study examined the mitotic activity in the roots of onion plants to ascertain the impact of the aceto orcein dye's soaking period on actively dividing root cells. Using the aceto-orcein squash procedure, a number of root tips from each bulb were collected, soaked for 1, 3, and 24 hours in aceto-orcein stain, and then processed further for cytological analyses. The purpose of the research was to examine the impact of chromosomal aberration and mitotic index on onion roots. It will reveal how many cells are actually going through mitosis. The tip of onion root cells was observed going through mitosis while actively undergoing mitotic division using the usual methods. There are various phases involved in mitotic divisions, including prophase, metaphase, anaphase, telophase, and interphase. At each soaking time, the experiment was run six times. The outcome shown that different soaking time durations had a substantial impact on the decline in mitotic index value.
洋葱(Allium cepa)通常用于体外评估化学制剂的影响。长期以来,人们一直使用乙酰甘油染色法制备洋葱染色体。然而,乙酸洋葱素染色剂具有腐蚀性和致命性,因为它含有氧化剂(如有机过氧化物)、有毒化合物(如氰化物)、酸腐蚀剂和放射性物质。本研究考察了洋葱植株根部的有丝分裂活动,以确定乙酰-王不留行素染料的浸泡期对活跃分裂的根细胞的影响。使用乙酰-王水染色法,从每个鳞茎中采集一定数量的根尖,在乙酰-王水染色法中分别浸泡 1、3 和 24 小时,然后进一步处理,进行细胞学分析。研究的目的是检验染色体畸变和有丝分裂指数对洋葱根的影响。它将揭示究竟有多少细胞在进行有丝分裂。在使用常规方法积极进行有丝分裂时,观察到洋葱根细胞的顶端正在经历有丝分裂。有丝分裂分为有丝分裂前期、分裂后期、无丝分裂期、端期和间期。在每个浸泡时间段,实验进行了六次。结果表明,不同的浸泡时间对有丝分裂指数值的下降有很大影响。
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引用次数: 0
Bacteriological Quality of Fresh Cow Milk From Dairy Farms in Parts of Kaduna State, Nigeria 尼日利亚卡杜纳州部分地区奶牛场鲜牛奶的细菌学质量
Pub Date : 2023-11-01 DOI: 10.33140/iimj.01.05.01
The study was carried out to determine the bacteriological quality of farm fresh raw cow milk with emphasis on the detection of Staphylococcus species. A total of 592 quarter milk samples, 30 bulk milk samples and 27 swab samples of the hands of milk men were examined from 12 dairy farms in Kaduna and Zaria. The bacteriological quality of the milk samples were determined by both the California Mastitis Test and the Total Viable Staphylococcal Count. The prevalence of subclinical mastitis from positive California Mastitis Test (³+) was 24.5%. The mean Staphylococcal count was 4.2 log10 cfu/ml. The number of suspected Staphylococcal isolates that were Gram positive and catalase positive were 103, which were then biochemically screened down clearly to 51, with their identities confirmed using the Microbat Microgen Kit. Among the Staphylococcal species, Staphylococcus aureus showed the highest population of phenotypic identity with 38%. This organism is important from public health point of view as they have been associated with the onset of food poisoning in human beings.
这项研究旨在确定农场新鲜生牛奶的细菌学质量,重点是检测葡萄球菌的种类。共检测了来自卡杜纳和扎里亚 12 个奶牛场的 592 份四分之一牛奶样本、30 份散装牛奶样本和 27 份挤奶工手拭样本。牛奶样本的细菌学质量是通过加利福尼亚乳腺炎测试和总存活葡萄球菌计数确定的。加利福尼亚乳腺炎测试(³+)呈阳性的亚临床乳腺炎发病率为 24.5%。平均葡萄球菌计数为 4.2 log10 cfu/ml。革兰氏阳性和过氧化氢酶阳性的疑似葡萄球菌分离物为 103 个,经生化筛选后明确为 51 个,并使用 Microbat Microgen Kit 确认了它们的身份。在葡萄球菌中,金黄色葡萄球菌的表型一致性最高,达到 38%。从公共卫生的角度来看,这种微生物非常重要,因为它们与人类食物中毒的发生有关。
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引用次数: 0
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International Internal Medicine Journal
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