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排序方式: 共有76条查询结果,搜索用时 15 毫秒
1.
Shriwas SR Rahman Isa AB Reddy SC Mohammad M Mohammad WB Mazlan M 《The Medical journal of Malaysia》1996,51(4):447-452
Few attempts have been made to determine the risk factors for diabetic retinopathy which is a major cause of visual impairment and blindness. One hundred and forty patients of diabetes mellitus were studied to determine the prevalence and types of retinopathy, and its relation to various risk factors. Nearly half (48.6%) of the patients suffered from retinopathy. The significant associated risk factors were long duration of diabetes, proteinuria and elevated serum creatinine level. However, there was no significant association between the prevalence of retinopathy and high levels of serum cholesterol, C-peptide levels, associated hypertension, and glycaemic control of diabetes mellitus. An effective screening programme for detection of retinopathy in the patients of diabetes as a regular practice is encouraged. 相似文献
2.
Noor Sahirah Muhazeli Nur Azmah Nordin Ubaid Ubaidillah Saiful Amri Mazlan Siti Aishah Abdul Aziz Nurhazimah Nazmi Iwan Yahya 《Materials》2020,13(24)
Conventional polyurethane foam has non-tunable sound absorption properties. Here, a magneto-induced foam, called magnetorheological (MR) foam, was fabricated with the feature of being able to tune sound absorption properties, primarily from the middle- to higher-frequency ranges. Three different samples of MR foams were fabricated in situ by varying the concentration of Carbonyl Iron Particles (CIPs) (0, 35, and 75 wt.%). The magnetization properties and tunable sound absorption characteristics were evaluated. From the magnetic saturation properties, the results showed very narrow and small coercivity of hysteresis loops relative to the soft magnetic properties of the CIPs. MR foam with 75 wt.% CIPs showed a higher magnetic saturation at 91.350 emu/g compared to MR foam with 35 wt.% CIPs at 63.896 emu/g. For tunable sound absorption testing, the effect of ‘shifting’ to higher frequency was also observed when the magnetic field was applied, which was ~10 Hz for MR foam with 35 wt.% CIPs and ~130 Hz for MR foam with 75 wt.% CIPs. As the latest evolution of semi-active noise control materials, the results from this study are valuable guidance for the advancement of MR-based devices. 相似文献
3.
Saleh Muhammad Rahim Ekhlass Muhi Taha Muneef Saeb Al-janabi Bushra Ismael Al-douri Kumar Das Simon Abd Gaffar Mazlan 《African journal of traditional, complementary, and alternative medicines》2014,11(2):447-451
Background
Cymbopogon citratus (Poaceae) a tropical perennial herb plant that is widely cultivated to be eaten either fresh with food or dried in tea or soft drink has been reported to possess a number of medicinal and aromatic properties. This study aimed at evaluating the protective effects of C. citratus aqueous extract against liver injury induced by hydrogen peroxide (H2O2), in male rats.Materials and Methods
Twenty-five rats were randomly divided into five different groups of five animals in each group; (1) Control. (2) Received H2O2 (0.5%) with drinking water. (3), and (4) received H2O2 and C. citratus (100 mg·kg−1 b wt), vitamin C (250 mg·kg−1 b wt) respectively. (5), was given C. citratus alone. The treatments were administered for 30 days. Blood samples were collected and serum was used for biochemical assay including liver enzymes activities, total protein, total bilirubin and malonaldehyde, glutathione in serum and liver homogenates. Liver was excised and routinely processed for histological examinations.Results
C. citratus attenuated liver damage due to H2O2 administration as indicated by the significant reduction (p<0.05), in the elevated levels of ALT, AST, ALP, LDH, TB, and MDA in serum and liver homogenates; increase in TP and GSH levels in serum and liver homogenates; and improvement of liver histo-pathological changes. These effects of the extract were similar to that of vitamin C which used as antioxidant reference.Conclusion
C. citratus could effectively ameliorate H2O2-induced oxidative stress and prevent liver injury in male rats. 相似文献4.
To study the potential role of GH-releasing hormone (GHRH) in maintaining circulating levels of GH during pregnancy, 302 maternal plasma samples were collected from non-fasted subjects at various stages of pregnancy and assayed for GHRH using a 'two-site' immunoradiometric assay. The GH and placental lactogen levels were also determined. In addition, maternal plasma samples taken during labour, amniotic fluid and cord blood were also assayed for these hormones. Maternal plasma GHRH levels were similar to non-pregnant levels throughout gestation despite fluctuations in GH values which were always higher than non-pregnant levels. There was no significant difference between GHRH levels in maternal plasma and cord blood although high GH levels were observed in the latter. These findings suggest that peripheral GHRH levels do not play an important role in maintaining circulating GH levels during pregnancy. 相似文献
5.
Nurul Husna Azizul Wan Amir Nizam Wan Ahmad Nurul Laili Rosli Muhammad Aniq Hamzah Mohd Azmi Choo En Liang Noor Wini Mazlan Suvik Assaw 《传统医学研究(英文版)》2021,6(2):1-10
Humans have long used natural remedies like plants and herbs to treat disease.Furthermore,research has been ongoing to find alternative pharmaceutical drugs based on traditionally used plants,as natural products show fewer side effects compared to synthetic drugs.Medicinal plants have long been targeted in drug development due to their bioactive compounds like alkaloids,flavonoids,and terpenoids.This is not only the case for terrestrial plants,but marine environments also provide a larger diversity of flora and fauna with medicinal bioactive compounds.Vitex rotundifolia,also known as Beach Vitex,is a coastal plant that has been traditionally used to treat a variety of diseases including premenstrual syndrome,headaches,migraines,colds,and eye pain.There have been many review papers on V.rotundifolia,emphasizing its taxonomy,distribution,and biological activity.Our current mini-review not only summarizes the pharmacology and bioactivity of V.rotundifolia,but it also provides new information on the main bioactive compounds of V.rotundifolia such as flavonoids,phenolic acid,and terpenes and their current pharmacological activity in vitro and in vivo research.This information can be useful for developing new pharmaceutical and nutraceutical agents to treat and manage disease. 相似文献
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9.
Ibrahim MI Abdullah M Naing L Abdullah JM Idris Z Aljunid SM 《Asian journal of surgery / Asian Surgical Association》2007,30(4):261-266
OBJECTIVE: The aim of this study was to determine the cost-effectiveness of using baseline neuromonitoring (BNM) compared with multimodality monitoring (M3) for severe traumatic brain injury (TBI). METHODS: Sixty-two patients with severe TBI underwent a prospective observational study where they were divided into two groups of patients receiving treatment with M3 (32 patients) and BNM (30 patients). The macro and micro costings were performed on each patient. The Barthel Index score after 1 year was used as an outcome measurement tool for both groups. The cost-effectiveness (CE) ratio was calculated using the Poisson regression model. RESULTS: The costs of equipment and consumables between the groups was statistically significant (p < 0.001) after correcting for age and severity of injury. Other cost categories were not significantly different. The crude CE ratios were 168.66 (95% CI: 168.32, 169.03) and 144.16 (95% CI: 143.87, 144.45) for BNM and M3 respectively. The two crude CE ratios were significantly different (p < 0.001). It was calculated by controlling or adjusting age, gender, Glasgow Coma Score, Marshalls classification at admission and type of injury. The adjusted CE ratios were 171.32 (95% CI: 170.97, 171.68) and 141.50 (95% CI: 141.26, 141.79) for BNM and M3, respectively. The two adjusted CE ratios were significantly different ( p< 0.001). CONCLUSION: The application of M3 for severe TBI was more cost-effective than BNM. All calculations were made at 3.8 Malaysian Ringgit (MYR) to the United States dollar (USD). 相似文献
10.
Siti Zamratol-Mai S. Mukari Xuan Yu Wan Syafira Ishak Rafidah Mazlan 《International journal of audiology》2015,54(12):951-957
Objective: The aims of the present study were to determine the effects of language background on the performance of the pitch pattern sequence test (PPST) and duration pattern sequence test (DPST). As temporal order sequencing may be affected by age and working memory, these factors were also studied. Design: Performance of tonal and non-tonal language speakers on PPST and DPST were compared. Study sample: Twenty-eight native Mandarin (tonal language) speakers and twenty-nine native Malay (non-tonal language) speakers between seven to nine years old participated in this study. Results: The results revealed that relative to native Malay speakers, native Mandarin speakers demonstrated better scores on the PPST in both humming and verbal labeling responses. However, a similar language effect was not apparent in the DPST. An age effect was only significant in the PPST (verbal labeling). Finally, no significant effect of working memory was found on the PPST and the DPST. Conclusion: These findings suggest that the PPST is affected by tonal language background, and highlight the importance of developing different normative values for tonal and non-tonal language speakers. 相似文献