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Lukitaningsih E, Rohman A, Rafi M, A.F. N, Windarsih A. In vivo antioxidant activities of Curcuma longa and Curcuma xanthorrhiza: a review. FOOD RESEARCH 2019. [DOI: 10.26656/fr.2017.4(1).172] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Rohman A, Widodo H, Lukitaningsih E, Rafi M, A.F. N, Windarsih A. Review on in vitro antioxidant activities of Curcuma species commonly used as herbal components in Indonesia. FOOD RESEARCH 2019. [DOI: 10.26656/fr.2017.4(2).163] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Free radicals, reactive nitrogen species (RNS) and reactive oxygen species (ROS) have
been known to contribute several degenerative diseases such as cardiovascular diseases,
aging, certain types of cancers, rheumatoid arthritis, neurodegenerative, and diabetes
mellitus. In order to overcome the negative effects of these radicals, some scientists have
explored some natural antioxidants from plants and it's by-products. The antioxidant can
be defined as any substances or samples capable of inhibiting free radical reactions in the
oxidation reaction. Due to curcuminoids contained, Curcuma species such as Curcuma
longa, Curcuma heyneana, Curcuma mangga, and Curcuma xanthorriza were commonly
used for herbal components in some traditional medicine. Several in vitro tests been
introduced and used to measure antioxidant activities, namely radical scavenging assay
using 2,2’-diphenyl-1-picrylhydrazyl (DPPH) and 2,2′-azinobis-(3-ethylbenzothiazoline-6
-sulfonic acid) (ABTS•+), ferric reducing antioxidant power (FRAP), ferric-thiocyanate,
phosphomolybdenum method, cupric ion reducing antioxidant capacity, metal chelating
power, beta-carotene bleaching linoleic-ferric-thiocyanate, and thiobarbituric acid
methods. This review highlighted the antioxidant activities in vitro of C. longa, C.
heyneana, C. mangga, and C. xanthorriza through several tests. To perform this review,
several repute databases were analyzed and used. From this review, it can be stated that
Curcuma species have powerful antioxidant activities, therefore they could be potential
sources of natural antioxidants and can be used as food supplements.
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Rohman A, Lukitaningsih E, Rafi M, A.F. N, Windarsih A. Nigella sativa oil: physico-chemical properties, authentication analysis and its antioxidant activity. FOOD RESEARCH 2019. [DOI: 10.26656/fr.2017.3(6).115] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Kainickal C, F. N, Kumar R, Rafi M, Al L, Bhasi S, Geaorge P, Kunnambath R. PO-062 Intensity Modulated Radiotherapy (IMRT) for Ca Nasopharynx -A Retrospective Analysis. Radiother Oncol 2019. [DOI: 10.1016/s0167-8140(19)30228-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Rafi M, JianMing Z, Ahmad K. Evaluating the impact of digital library database resources on the productivity of academic research. INFORMATION DISCOVERY AND DELIVERY 2019. [DOI: 10.1108/idd-07-2018-0025] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
PurposeDigital library database resources have a significant impact on stimulating the research culture in higher education. The use of digital databases makes it possible to understand intellectual growth, research productivity, planning and identification of user information needs. Evaluating the effectiveness of user database resource utilization and research, the purpose of this study is to assist management in developing an excellent academic policy.Design/methodology/approachThis study establishes a quantitative method to analyze the productivity of academic research using digital databases. The secondary data extracted from the databases of 52 universities provided by Higher Education Commission (HEC) and the literature published on the Institute of Scientific Information (ISI) Web of Science. The statistical technique simple linear regression was used to analyze the data for understanding the impact of independent variables the “digital databases” on the dependent variable “research productivity”.FindingsThe result of the coefficient of multiple determination,R-squared,R20.679, indicated 67 per cent impact of the predictor on the outcome variable. However, the standardized coefficient Beta 0.824 revealed 82 per cent impact of the individual predictor on the outcome variable. Overall, the result of linear regression showed a significant effect of independent variables on the dependent variable. Besides, the result of correlation and the strength of association between the database resources and the academic publication was significant (p< 0.005).Practical implicationsThis research work is a supportive tool for managing gaps and promoting the development of necessary measures to develop strategies and solutions to create a better academic environment. The ultimate use of standard database resources can foster higher academic research to develop innovative ideas and improve researchers’ cognitive abilities.Originality/valueFrom Pakistan’s point of view, this study is the first one that gives insight into the intellectual growth of young researchers in higher education. The study provides first-hand information on the use of database resources and their significant impact on the productivity of academic research.
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Hasan HMZ, Khan H, Asif T, Hashmi S, Rafi M. Towards a transfer learning approach to food recommendations through food images. PROCEEDINGS OF THE 3RD INTERNATIONAL CONFERENCE ON MACHINE LEARNING AND SOFT COMPUTING 2019. [DOI: 10.1145/3310986.3310990] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
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Khan J, Ismail M, Rafi M, Jalal A. Linkage analysis of hearing impairment in families of Bannu district. J PAK MED ASSOC 2019; 69:1632-1636. [PMID: 31740869 DOI: 10.5455/jpma.300796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Shafqat A, Rafi M, Thanawala V, Bedforth N, Hardman J, McCahon R. Validity and reliability of an objective structured assessment tool for performance of ultrasound-guided regional anaesthesia. Br J Anaesth 2018; 121:867-875. [DOI: 10.1016/j.bja.2018.06.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Revised: 06/13/2018] [Accepted: 06/27/2018] [Indexed: 11/26/2022] Open
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Ahmad K, Jian Ming Z, Rafi M. Assessing the digital library research output: bibliometric analysis from 2002 to 2016. ELECTRONIC LIBRARY 2018. [DOI: 10.1108/el-02-2017-0036] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Purpose
The purpose of this bibliometric analysis is to quantify the prominence and impact of published literature within the field. The research has been conducted with the intent of obtaining the expansion and characteristics of the literature on digital library.
Design/methodology/approach
More than 4,206 documents found in the period of 2002-2016 were collected from the ISI Web of Science and were analyzed to explore the annual productivity, yearly citation, most cited articles, prolific authors, eminent journals of the subject, productivity of institutes and contribution of countries. These results are based on the types of documents (articles, reviews, proceedings papers, book reviews, editorial materials and book chapters).
Findings
The core findings are that the most productive year of publication was 2016, and the growth of citation increased rapidly; the top source of title is electronic library. The result shows that the USA dominates in the research output, with Illinois University securing the first position; the most prolific author is Fourie I from South Africa. In the document types category, the most cited sources are research articles.
Originality/value
This research is useful for the researchers interested in the field of bibliometrics as it postulates an inclusive indication of provenance in the field of library and information science.
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Mehmood K, Mubarak M, Dhar M, Rafi M, Kinsella J. Transperineal template-guided prostate saturation biopsies in men with suspicion of prostate cancer: a pilot study from Pakistan. THE MALAYSIAN JOURNAL OF PATHOLOGY 2017; 39:285-288. [PMID: 29279591] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Traditionally, transrectal ultrasound (TRUS)-guided biopsies are done for the diagnosis of prostate cancer (PCa) in Pakistan. The transperineal template-guided saturation biopsy (TTSB) approach has been recently introduced in Pakistan and we share diagnostic yields and pathological findings of specimens taken for PCa diagnosis in men with elevated serum total prostate specific antigen (PSA) and negative TRUS-guided prostate biopsies. In all, 16 patients investigated at the Department of Urology, Sindh Institute of Urology and Transplantation (SIUT), underwent TTSB. The mean age of patients was 67.8 ± 8.8 (range: 55 - 84) years. The median PSA was 9.5 (IQR: 7.9 - 19.8) ng/ ml. The duration of symptoms before biopsy ranged from 1 month to 144 months. The prostate was enlarged with mean weight of 73.5 ± 55.5 g. Histopathology revealed PCa in 5 of 16 (31.2%) cases. The Gleason score was 6 (3+3), 7 (3+4) and 8 (4+4) in 1 case each (6.3%) and 10 (5+5) in 2 cases (12.5%). At least two cores were positive in all positive cases. None of the patients required antibiotics post-procedure. In conclusion, the TTSB technique is a promising option for patients with elevated PSA level and negative transrectal prostate biopsies for the detection of PCa in our setting.
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Rachmawati, Rohaeti E, Rafi M. Combination of near infrared spectroscopy and chemometrics for authentication of taro flour from wheat and sago flour. ACTA ACUST UNITED AC 2017. [DOI: 10.1088/1742-6596/835/1/012011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Zeman P, Rafi M, Skala P, Zeman J, Matějka J, Pavelka T. [Clinical Results of Endoscopic Treatment of Greater Trochanteric Pain Syndrome]. ACTA CHIRURGIAE ORTHOPAEDICAE ET TRAUMATOLOGIAE CECHOSLOVACA 2017; 84:168-174. [PMID: 28809635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
PURPOSE OF THE STUDY This retrospective study aims to present short-term clinical outcomes of endoscopic treatment of patients with greater trochanteric pain syndrome (GTPS). MATERIAL AND METHODS The evaluated study population was composed of a total of 19 patients (16 women, 3 men) with the mean age of 47 years (19-63 years). In twelve cases the right hip joint was affected, in the remaining seven cases it was the left side. The retrospective evaluation was carried out only in patients with greater trochanteric pain syndrome caused by independent chronic trochanteric bursitis without the presence of m. gluteus medius tear not responding to at least 3 months of conservative treatment. In patients from the followed-up study population, endoscopic trochanteric bursectomy was performed alone or in combination with iliotibial band release. The clinical results were evaluated preoperatively and with a minimum follow-up period of 1 year after the surgery (mean 16 months). The Visual Analogue Scale (VAS) for assessment of pain and WOMAC (Western Ontario MacMaster) score were used. In both the evaluated criteria (VAS and WOMAC score) preoperative and postoperative results were compared. Moreover, duration of surgery and presence of postoperative complications were assessed. Statistical evaluation of clinical results was carried out by an independent statistician. In order to compare the parameter of WOMAC score and VAS pre- and post-operatively the Mann-Whitney Exact Test was used. The statistical significance was set at 0.05. RESULTS The preoperative VAS score ranged 5-9 (mean 7.6) and the postoperative VAS ranged 0-5 (mean 2.3). The WOMAC score ranged 56.3-69.7 (mean 64.2) preoperatively and 79.8-98.3 (mean 89.7) postoperatively. When both the evaluated parameters of VAS and WOMAC score were compared in time, a statistically significant improvement (p<0.05) was achieved postoperatively. The mean duration of surgical procedure was 68 minutes. Moreover, in peritrochanteric space apart from chronic bursitis also another pathology was found in a total of 14 cases (74%). In six cases (32%) it was a mild degeneration of m. gluteus medius (treated only with debridement) and in eight patients who underwent surgery (42%) the dorsal third of tractus iliotibialis was hypertrophic and protruding into bursa (treated with an incision of the hypertrophied part of the band). No serious neurovascular or thromboembolic complications were recorded. Only minor postoperative complications in a total of 7 patients who underwent surgery (37%) occurred. DISCUSSION There are lots of studies in literature presenting the results of endoscopic treatment of GTPS either using an independent trochanteric bursectomy or its combination with iliotibial band release. In our study we succeeded in achieving similar clinical results as those achieved by the other authors engaged in this area. CONCLUSIONS It has been proven in this retrospective study that the technique of endoscopic trochanteric bursectomy in patients with greater trochanteric pain syndrome yields statistically significant improvement of clinical results with the concurrent minimum incidence of postoperative complications. Key words: greater trochanteric pain syndrome, peritrochanteric space, recalcitrant trochanteric bursitis, hip arthroscopy, endoscopic trochanteric bursectomy, iliotibial band release.
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Kainickal C, Shishak S, Kumar R, Rafi M, Aazariah B, George P, Ramadas K. Clinical profile and treatment outcomes of oropharyngeal squamous cell carcinoma: A single-institution retrospective analysis. Eur J Cancer 2016. [DOI: 10.1016/j.ejca.2016.03.034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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Ramasarma T, Rafi M. A glucose-centric perspective of hyperglycemia. INDIAN JOURNAL OF EXPERIMENTAL BIOLOGY 2016; 54:83-99. [PMID: 26934776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Digestion of food in the intestines converts the compacted storage carbohydrates, starch and glycogen, to glucose. After each meal, a flux of glucose (> 200 g) passes through the blood pool (4-6 g) in a short period of 2 h, keeping its concentration ideally in the range of 80-120 mg/100 mL. Tissue-specific glucose transporters (GLUTs) aid in the distribution of glucose to all tissues. The balance glucose after meeting the immediate energy needs is converted into glycogen and stored in liver (up to 100 g) and skeletal muscle (up to 300 g) for later use. High blood glucose gives the signal for increased release of insulin from pancreas. Insulin binds to insulin receptor on the plasma membrane and activates its autophosphorylation. This initiates the post-insulin-receptor signal cascade that accelerates synthesis of glycogen and triglyceride. Parallel control by phos-dephos and redox regulation of proteins exists for some of these steps. A major action of insulin is to inhibit gluconeogensis in the liver decreasing glucose output into blood. Cases with failed control of blood glucose have alarmingly increased since 1960 coinciding with changed life-styles and large scale food processing. Many of these turned out to be resistant to insulin, usually accompanied by dysfunctional glycogen storage. Glucose has an extended stay in blood at 8 mM and above and then indiscriminately adds on to surface protein-amino groups. Fructose in common sugar is 10-fold more active. This random glycation process interferes with the functions of many proteins (e.g., hemoglobin, eye lens proteins) and causes progressive damage to heart, kidneys, eyes and nerves. Some compounds are known to act as insulin mimics. Vanadium-peroxide complexes act at post-receptor level but are toxic. The fungus-derived 2,5-dihydroxybenzoquinone derivative is the first one known to act on the insulin receptor. The safe herbal products in use for centuries for glucose control have multiple active principles and targets. Some are effective in slowing formation of glucose in intestines by inhibiting α-glucosidases (e.g., salacia/saptarangi). Knowledge gained from French lilac on active guanidine group helped developing Metformin (1,1-dimethylbiguanide) one of the popular drugs in use. One strategy of keeping sugar content in diets in check is to use artificial sweeteners with no calories, no glucose or fructose and no effect on blood glucose (e.g., steviol, erythrytol). However, the three commonly used non-caloric artificial sweeteners, saccharin, sucralose and aspartame later developed glucose intolerance, the very condition they are expected to evade. Ideal way of keeping blood glucose under 6 mM and HbA1c, the glycation marker of hemoglobin, under 7% in blood is to correct the defects in signals that allow glucose flow into glycogen, still a difficult task with drugs and diets.
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Kumar R, Kainickal C, Nair L, Rafi M, Azariah B, Kunnambath R. Phase 2B Trial Comparing Two Concurrent Chemotherapy Schedules in Locally Advanced Head and Neck Squamous Cell Carcinoma. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.1340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Rafi M, Baby A, Kumar R, Kainickal C, Bhasi S, George P, Azariah B, Kunnambath R. Anatomical and Dosimetric Changes in Organs at Risk and Target Volumes During Intensity Modulated Radiation Therapy for Oropharyngeal Cancers. Int J Radiat Oncol Biol Phys 2015. [DOI: 10.1016/j.ijrobp.2015.07.1355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Ahmad I, Rehman A, Khan JA, Rafi M, Khurshid A, Nisar H, Zaidi S, Ikram M. Effects of varying local temperature on the optical properties of cells in-vitro. Photodiagnosis Photodyn Ther 2015; 12:459-65. [DOI: 10.1016/j.pdpdt.2015.05.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2015] [Revised: 04/13/2015] [Accepted: 05/05/2015] [Indexed: 12/26/2022]
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Kainickal C, George P, Kumar R, Rafi M, Sudha A, Raghavan R, Ramadas K. OP0008 Conventional radiotherapy versus altered fractionation for patients receiving radical radiotherapy for oral cancer: A randomised phase 2b trial. Eur J Cancer 2015. [DOI: 10.1016/j.ejca.2015.06.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Ali S, Khurshid A, Maqsood M, Rafi M, Khan JA, Zaidi S, Mohammad S, Ikram M. Study of low doses cisplatin synergistic effect on photodynamic outcome of aluminum phythalocyanine on soft tissue sarcoma (RD) cell line. Photodiagnosis Photodyn Ther 2015; 12:146-9. [DOI: 10.1016/j.pdpdt.2014.12.011] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Revised: 12/23/2014] [Accepted: 12/26/2014] [Indexed: 11/26/2022]
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Kumar R, Haridas G, Kainickal C, Sudha A, Rafi M, Raghavan R, Ramadas K. Phase 2b Randomized Trial Comparing Concurrent Chemoradiation With Weekly Versus 3 Weekly Cisplatinum in Locally Advanced Head and Neck Squamous Cell Carcinoma. Int J Radiat Oncol Biol Phys 2014. [DOI: 10.1016/j.ijrobp.2014.05.1709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Rafi M, Ali S, Hashmi A. AOSP38 TREATMENT OF LOCALISED PROSTATE CANCER STAGE T2B–T4A WITH EXTERNAL BEAM RADIOTHERAPY PLUS HIGH DOSE RATE BRACHYTHERAPY: SINGLE INSTITUTIONAL EXPERIENCE IN SINDH INSTITUTE OF UROLOGY AND TRANSPLANTATION, SIUT, KARACHI. Eur J Cancer 2013. [DOI: 10.1016/s0959-8049(13)70049-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Thommachan KC, Kumar RR, Haridas GM, Sudha AS, Rafi M, Ramadas K. AOSP16 COMPARISON OF ACUTE TOXICITY PROFILE OF WEEKLY VERSUS 3-WEEKLY CISPLATIN IN CONCURRENT CHEMORADIATION FOR LOCALLY ADVANCED HEAD AND NECK SQUAMOUS CELL CARCINOMA. Eur J Cancer 2013. [DOI: 10.1016/s0959-8049(13)70028-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Sajjad-Ur-Rahman, Rasool MH, Rafi M. Penicillin production by wild isolates of Penicillium chrysogenum in Pakistan. Braz J Microbiol 2012; 43:476-81. [PMID: 24031854 PMCID: PMC3768827 DOI: 10.1590/s1517-83822012000200007] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2011] [Accepted: 01/16/2012] [Indexed: 11/22/2022] Open
Abstract
The present study was aimed at exploring the native wild isolates of Penicillium chrysogenum series in terms of their penicillin production potential. Apart from the standard medium, the efforts were made to utilize suitable agro-industrial wastes for the maximum yield of penicillin. Two series of P. chrysogenum were isolated from local sources and named as P. chrysogenum series UAF R1 and P. chrysogenum series UAF R2. The native series were found to possess better penicillin production potential than the already reported series of P. chrysogenum. However, P. chrysogenum series UAF R1 was found to be the best candidate for high yield of penicillin starting at 100 hour as compared to P. chrysogenum series UAF R2 which produced the highest yield of penicillin at 150 hours for a shorter period of time. Addition of Corn Steep Liquor (CSL) to the fermentation medium resulted in the production of 1.20g/L penicillin by P. chrysogenum series UAF R1 and P. chrysogenum series UAF R2. The fermentation medium in which Sugar Cane Bagasse (SCB) was replaced with CSL resulted in the highest yield of penicillin (1.92g/L) by both native series of P. chrysogenum. The penicillin production was increased by 62.5% in medium with SCB as compared to that with CSL. The penicillin yield of medium containing lactose and phenyl acetate was higher than that of control medium. Overall results revealed that P. chrysogenum series UAF R1 and P. chrysogenum series UAF R2 may be recommended for better yield of natural penicillin and this efficiency may be further enhanced by utilizing SCB as substrate in the growth medium.
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Verma R, Dhamija R, Leeburg WT, Rafi M, Loehrke ME. Burkitt Lymphoma Presenting as Ptosis in a Man With Human Immunodeficiency Virus. Am J Med Sci 2011; 342:427-8. [DOI: 10.1097/maj.0b013e31822978fc] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Tunio MA, Hashmi A, Rafi M. Need for a new trial to evaluate postoperative radiotherapy in renal cell carcinoma: a meta-analysis of randomized controlled trials. Ann Oncol 2010; 21:1839-1845. [PMID: 20139152 DOI: 10.1093/annonc/mdq028] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND A meta-analysis was conducted to assess the impact of postoperative radiotherapy (PORT) in renal cell carcinoma (RCC) on overall survival (OS), disease-free survival (DFS) and locoregional failure (LRF). MATERIALS AND METHODS The Medline, CANCERLIT, Cochrane library database and search engines were searched to identify randomized controlled studies comparing radical nephrectomy alone with radical nephrectomy followed by PORT for localized RCC. Further, radiotherapy techniques and associated side-effects were evaluated. RESULTS Seven controlled trials with a total patient population of 735 were identified. Pooled results from these trials showed a significant reduction of LRF in patients treated with PORT (P < or = 0.0001). However, there was no difference in OS (P = 0.29) and DFS (P = 0.14). The majority of patients was treated with larger field sizes with parallel-opposed anteroposterior fields. PORT was generally well tolerated; in total, six PORT-related deaths were seen. The resultant funnel plot was broader (Egger test P = 0.14) due to low number of patients. CONCLUSIONS PORT significantly reduces LRF but has no effect on OS and DFS. However, due to poor patient accrual and older radiotherapy techniques in previous studies, there is a need for a new trial to evaluate PORT using conformal and intensity-modulated radiotherapy techniques.
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