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  1. Article: The new work order as contested terrain

    Omar, Rahmat

    The state of labour : the global financial crisis and its impact , p. 228-249

    a case study of call centres in South Africa

    2014  , Page(s) 228–249

    Author's details Rahmat Omar
    Language English
    Publisher Routledge
    Publishing place London [u.a.]
    Document type Article
    ISBN 0-415-71095-2 ; 978-0-415-71095-4
    Database ECONomics Information System

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  2. Article: Iatrogenic aspiration of custom-made keel: a case report.

    Sharouny, Hadi / Omar, Rahmat Bin

    Iranian Red Crescent medical journal

    2014  Volume 16, Issue 12, Page(s) e17066

    Abstract: Introduction: Laryngeal stenosis has various causes and treatment options. Endoscopic resection of the stenotic part with CO2 laser is one of the treatment options of laryngotracheal stenosis. Keels are useful for preventing adhesion formation, ... ...

    Abstract Introduction: Laryngeal stenosis has various causes and treatment options. Endoscopic resection of the stenotic part with CO2 laser is one of the treatment options of laryngotracheal stenosis. Keels are useful for preventing adhesion formation, restenosis and web formation, which may happen during the later stage. They can be put in place either via the endoscopic approach or through a micro thyroidotomy and are held in place with a heavy suture through cricothyroid and thyrohyoid membranes. They are left in place for two to four weeks, and then removed through the endoscopic approach under general anesthetics.
    Case presentation: We report on a case of anterior glottis stenosis with keel aspiration for two weeks, after endoscopic CO2 laser resection of the stenotic section and keel placement. The patient was admitted to our center, where bronchoscopy was performed and the keel was removed. A new custom-made silastic keel was properly placed in raw areas and fixed to the skin with suture through the cricothyroid and thyrohyoid membranes. The keel was removed three weeks later.
    Conclusions: Endoscopic keel placement should be done with heavy suture through cricothyroid and thyrohyoid membranes. Surgeons should suture the keel to the anterior laryngeal wall with specially designed Lichtenberger's needle-carriers to prevent complications such as keel aspiration, adhesion formation and imposing a second trip under general anesthetics, which put the patient at increased risk. The false vocal cord microflaps, as biological keels and a relatively new method may replace silastic keel placement in the future.
    Language English
    Publishing date 2014-12-14
    Publishing country Iran
    Document type Case Reports
    ZDB-ID 2415781-8
    ISSN 2074-1812 ; 1561-4395 ; 2074-1804
    ISSN (online) 2074-1812 ; 1561-4395
    ISSN 2074-1804
    DOI 10.5812/ircmj.17066
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article: Iatrogenic submandibular duct rupture complicating sialography: a case report.

    Sharouny, Hadi / Omar, Rahmat Bin

    Iranian Red Crescent medical journal

    2014  Volume 16, Issue 9, Page(s) e7882

    Abstract: Introduction: Sialolithiasis is the most common disease of salivary glands. Sialography is particularly important for the assessment of the outflow tract and in diagnosing obstructive salivary gland lesions including calculi.: Case presentation: We ... ...

    Abstract Introduction: Sialolithiasis is the most common disease of salivary glands. Sialography is particularly important for the assessment of the outflow tract and in diagnosing obstructive salivary gland lesions including calculi.
    Case presentation: We report on a 38-year-old female with sialolithiasis whom had Wharton's duct perforation, complicating the sialography. She was treated conservatively with a course of co-amoxiclav, oral prednisolone for three days and pain-killers. The patient was clinically well on follow-up reassessments at the end of the first week and three weeks post procedure.
    Conclusions: Perforation of salivary duct complicating the sialography is rare. Awareness of this potential complication and utilizing a good sialography technique need to be advocated amongst radiologists. Response to treatment by conservative management is preferred as illustrated in this case.
    Language English
    Publishing date 2014-09-05
    Publishing country Iran
    Document type Case Reports
    ZDB-ID 2415781-8
    ISSN 2074-1812 ; 1561-4395 ; 2074-1804
    ISSN (online) 2074-1812 ; 1561-4395
    ISSN 2074-1804
    DOI 10.5812/ircmj.7882
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: The tick Ixodida: an unusual foreign body in the ear.

    Alazzawi, Sarmad / Omar, Rahmat / Raman, Rajagopalan

    Tropical doctor

    2016  Volume 46, Issue 1, Page(s) 62–63

    Abstract: We report a patient with a hard tick in her left ear, adherent to the tympanic membrane. ...

    Abstract We report a patient with a hard tick in her left ear, adherent to the tympanic membrane.
    MeSH term(s) Aged ; Animals ; Diagnosis, Differential ; Ear, External ; Female ; Foreign Bodies/diagnosis ; Humans ; Tick Bites/diagnosis ; Ticks
    Language English
    Publishing date 2016-01
    Publishing country England
    Document type Case Reports ; Journal Article
    ZDB-ID 193169-6
    ISSN 1758-1133 ; 0049-4755
    ISSN (online) 1758-1133
    ISSN 0049-4755
    DOI 10.1177/0049475515592494
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 1056: Show issues Location:
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  5. Article: Biotechnological remediation of arsenate from aqueous solution using a novel bacterial strain: Isotherm, kinetics and thermodynamic studies.

    Dadrasnia, Arezoo / Usman, Mohammed Maikudi / Abutawila, Zaed / Omar, Rahmat / Ismail, Salmah / Abdullah, Rosazlin

    Journal of environmental health science & engineering

    2019  Volume 17, Issue 2, Page(s) 571–579

    Abstract: Arsenic is a global environmental contaminant that imposes a big health threat which requires an immediate attention to clean-up the contaminated areas. This study examined the biosorption ability of a novel Bacillus strain for the removal of arsenate ( ... ...

    Abstract Arsenic is a global environmental contaminant that imposes a big health threat which requires an immediate attention to clean-up the contaminated areas. This study examined the biosorption ability of a novel Bacillus strain for the removal of arsenate (pentavalent arsenic) from aqueous solution. The optimum biosorption condition was studied as a function of biomass dosage, contact time and pH. Dubinin-Radushkevich (D-R), Freundlich, and Langmuir models were applied in describing the biosorption isotherm. The maximal biosorption capacity (92%) was obtained at 25 °C, biomass concentration 2000 mg/L at pH value of 4 and contact period of 50 min. Strain 139SI act as an admirable host to the arsenate. Thermodynamic assessment (ΔG
    Language English
    Publishing date 2019-11-07
    Publishing country England
    Document type Journal Article
    ZDB-ID 2756287-6
    ISSN 2052-336X
    ISSN 2052-336X
    DOI 10.1007/s40201-019-00371-0
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Suction elevator for ear surgery.

    Raman, R / Omar, Rahmat

    Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India

    2011  Volume 63, Issue 3, Page(s) 302

    Abstract: An instrument has been designed to combine a suction and an elevator for use in ear surgery. ...

    Abstract An instrument has been designed to combine a suction and an elevator for use in ear surgery.
    Language English
    Publishing date 2011-02-09
    Publishing country India
    Document type Journal Article
    ZDB-ID 1471137-0
    ISSN 0973-7707 ; 0019-5421 ; 2231-3796
    ISSN (online) 0973-7707
    ISSN 0019-5421 ; 2231-3796
    DOI 10.1007/s12070-011-0155-4
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 5300: Show issues Location:
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  7. Article ; Online: Nose pads.

    Raman, R / Omar, Rahmat

    Tropical doctor

    2010  Volume 40, Issue 4, Page(s) 210

    Abstract: An idea to fix broken nose pads of spectacles has been suggested. ...

    Abstract An idea to fix broken nose pads of spectacles has been suggested.
    MeSH term(s) Equipment Design ; Eyeglasses ; Humans ; Nose
    Language English
    Publishing date 2010-10
    Publishing country England
    Document type Journal Article
    ZDB-ID 193169-6
    ISSN 1758-1133 ; 0049-4755
    ISSN (online) 1758-1133
    ISSN 0049-4755
    DOI 10.1258/td.2010.100141
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.A 1056: Show issues Location:
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  8. Article: Inhibition of Quorum Sensing-Controlled Virulence Factors and Biofilm Formation in Pseudomonas aeruginosa by Culture Extract from Novel Bacterial Species of Paenibacillus Using a Rat Model of Chronic Lung Infection.

    Alasil, Saad Musbah / Omar, Rahmat / Ismail, Salmah / Yusof, Mohd Yasim

    International journal of bacteriology

    2015  Volume 2015, Page(s) 671562

    Abstract: Quorum sensing (QS) is a key regulator of virulence factors and biofilm formation in Gram-negative bacteria such as Pseudomonas aeruginosa. Microorganisms that inhabit soil are of strategic importance in the discovery of compounds with anti-QS properties. ...

    Abstract Quorum sensing (QS) is a key regulator of virulence factors and biofilm formation in Gram-negative bacteria such as Pseudomonas aeruginosa. Microorganisms that inhabit soil are of strategic importance in the discovery of compounds with anti-QS properties. The objective of the study was to test the culture extract of a taxonomically novel species of Paenibacillus strain 139SI for its inhibitory effects on the QS-controlled virulence factors and biofilm formation of Pseudomonas aeruginosa both in vitro and in vivo. The Paenibacillus sp. culture extract was used to test its anti-QS effects on the LasA protease, LasB elastase, pyoverdin production, and biofilm formation of P. aeruginosa as well as evaluate its therapeutic effects on lung bacteriology, pathology, hematological profile, and serum antibody responses of experimental animals in a rat model of chronic lung infection. Results showed significant decrease in the activities of QS-controlled LasA protease, LasB elastase pyoverdin, and biofilm formation of P. aeruginosa caused by the culture extract. Moreover, the extract significantly prolonged the survival times of rats and facilitated the clearance of biofilm infections from infected lungs. In conclusion, the antiquorum sensing effects of culture extract from a novel species of Paenibacillus provide new insights to combat biofilm-associated infections.
    Language English
    Publishing date 2015-01-11
    Publishing country United States
    Document type Journal Article
    ISSN 2356-6957
    ISSN 2356-6957
    DOI 10.1155/2015/671562
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Radiological analysis of the ethmoid roof in the Malaysian population.

    Alazzawi, Sarmad / Omar, Rahmat / Rahmat, Kartini / Alli, Kasumawati

    Auris, nasus, larynx

    2012  Volume 39, Issue 4, Page(s) 393–396

    Abstract: Objective: To ascertain the prevalence of the lateral lamella of the cribriform plate height according to Keros classification in the Malaysian population, and to find if there is any difference between the major ethnic groups in Malaysia (Malay, ... ...

    Abstract Objective: To ascertain the prevalence of the lateral lamella of the cribriform plate height according to Keros classification in the Malaysian population, and to find if there is any difference between the major ethnic groups in Malaysia (Malay, Chinese, Indian).
    Methods: Retrospective analysis of 150 CT scan studies of the paranasal sinuses.
    Results: The mean height of the lateral lamella of the cribriform plate (LLCP) in 300 sides was 2.64mm. Keros type I was seen in 240 sides (80%), while, Keros type II was seen in 60 sides (20%). There was no significant difference in the distribution of Keros classification among the major ethnic groups of Malaysia (Malay, Chinese, Indian). Keros type I was seen in 103 sides in males and 137 sides in females. Significant difference was observed in type II between the male and female (47 sides in males and 13 sides in female; p-value <0.001). When comparing the difference in the height of the LLCP in the same individual, asymmetry was observed in 139 patients. The LLCP height was higher on the left side in 71 patients and higher on the right in 68.
    Conclusion: The understanding of the anatomy of the ethmoid roof with its possible variation is crucial to give the surgeon the optimal information about the possible risk that one can face during the surgery.
    MeSH term(s) Adult ; Asian Continental Ancestry Group ; Ethmoid Bone/anatomy & histology ; Ethmoid Bone/diagnostic imaging ; Ethmoid Sinus/anatomy & histology ; Ethmoid Sinus/diagnostic imaging ; Female ; Humans ; Malaysia ; Male ; Middle Aged ; Retrospective Studies ; Tomography, X-Ray Computed
    Language English
    Publishing date 2012-08
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 604552-2
    ISSN 1879-1476 ; 0385-8146
    ISSN (online) 1879-1476
    ISSN 0385-8146
    DOI 10.1016/j.anl.2011.10.002
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Zs.A 1675: Show issues Location:
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  10. Article: Antibiofilm activity, compound characterization, and acute toxicity of extract from a novel bacterial species of paenibacillus.

    Alasil, Saad Musbah / Omar, Rahmat / Ismail, Salmah / Yusof, Mohd Yasim

    International journal of microbiology

    2014  Volume 2014, Page(s) 649420

    Abstract: The effectiveness of many antimicrobial agents is currently decreasing; therefore, it is important to search for alternative therapeutics. Our study was carried out to assess the in vitro antibiofilm activity using microtiter plate assay, to characterize ...

    Abstract The effectiveness of many antimicrobial agents is currently decreasing; therefore, it is important to search for alternative therapeutics. Our study was carried out to assess the in vitro antibiofilm activity using microtiter plate assay, to characterize the bioactive compounds using Ultra Performance Liquid Chromatography-Diode Array Detection and Liquid Chromatography-Mass Spectrometry and to test the oral acute toxicity on Sprague Dawley rats of extract derived from a novel bacterial species of Paenibacillus strain 139SI. Our results indicate that the crude extract and its three identified compounds exhibit strong antibiofilm activity against a broad range of clinically important pathogens. Three potential compounds were identified including an amino acid antibiotic C8H20N3O4P (MW 253.237), phospholipase A2 inhibitor C21H36O5 (MW 368.512), and an antibacterial agent C14H11N3O2 (MW 253.260). The acute toxicity test indicates that the mortality rate among all rats was low and that the biochemical parameters, hematological profile, and histopathology examination of liver and kidneys showed no significant differences between experimental groups (P > 0.05). Overall, our findings suggest that the extract and its purified compounds derived from novel Paenibacillus sp. are nontoxic exhibiting strong antibiofilm activity against Gram-positive and Gram-negative pathogens that can be useful towards new therapeutic management of biofilm-associated infections.
    Language English
    Publishing date 2014-03-24
    Publishing country Egypt
    Document type Journal Article
    ZDB-ID 2467270-1
    ISSN 1687-9198 ; 1687-918X
    ISSN (online) 1687-9198
    ISSN 1687-918X
    DOI 10.1155/2014/649420
    Database MEDical Literature Analysis and Retrieval System OnLINE

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