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Fulltext The Incidence of Gastrocnemius Tightness Among Clinic Staff in a District Hospital's Clinic in the State of Kedah, Malaysia

Ramalingam K, Perumal D, Balan H, Leong JF, Thiruselvam T

Cureus, 2023 Jun;15(6):e40714.
PMID: 37485103 DOI: 10.7759/cureus.40714

Aim Musculus Gastrocnemius Tightness (MGT) has been linked with common foot and ankle pathologies. These symptoms sometimes are not severe enough for the patient to seek treatment. This study aims to determine the incidence rate of MGT among our clinical personnel and if there is any association between foot and ankle symptoms with MGT. Materials and methods This observational cross-sectional study involves clinical personnel from our Specialist Clinics at Hospital Kulim, Malaysia. We interviewed and assessed 85 volunteers of which, we measured the passive ankle dorsiflexion of the volunteers (the Silfverskiöld) test, to diagnose MGT. We then used the Manchester Oxford Foot Questionnaire (MOxFQ) is used to determine the functional outcome of our volunteers. Results Out of a total of 85 volunteers assessed, 12 (14%) volunteers were found to have gastrocnemius tightness. Among this cohort, 11 were symptomatic. Out of the 73 who did not have MGT, there were three symptomatic volunteers. There was a significant association between volunteers with foot and ankle symptoms with gastrocnemius tightness, compared to those without. There was a significant difference in the relationship between the MOxFQ scores in all components (walking, pain, and social) when comparing those with and those without MGT. Conclusion We conclude that there is a significant association between foot and ankle symptoms and MGT in our clinic sample population. However, these symptoms were not severe enough for these symptomatic volunteers to seek treatment. We should consider screening symptomatic staff and implementing stretching protocols.
Expression Profile of Circulating Exosomal microRNAs in Leukoplakia, Oral Submucous Fibrosis, and Combined Lesions of Leukoplakia and Oral Submucous Fibrosis

Yasothkumar D, Ramani P, Jayaraman S, Ramalingam K, Tilakaratne WM

Head Neck Pathol, 2024 Mar 27;18(1):28.
PMID: 38536520 DOI: 10.1007/s12105-024-01627-4

OBJECTIVES: This study aims to elucidate the expression of circulating exosomal miRNAs miRNA 21, miRNA 184, and miRNA 145 in the studied groups, including patients with (i) leukoplakia; (ii) oral submucous fibrosis; (iii) oral submucous fibrosis with leukoplakia; (iv) oral squamous cell carcinoma; and (v) healthy individuals.
STUDY DESIGN: An observational study was conducted among 54 patients who reported to the outpatient department of Saveetha Dental College and Hospitals. The patients were divided into three groups: Group I healthy individuals (n = 18), Group II: case group (leukoplakia, OSMF, and leukoplakia and OSMF) (n = 18), and Group III: OSCC (n = 18). Real-time polymerase chain reaction analysis was carried out to assess the expression profiles of miRNA 21, miRNA 184, and miRNA 145. The statistical analysis was calculated using SPSS software version 23.
RESULTS: All three miRNAs showed a statistically significant difference in the one-way ANOVA test between the case group (leukoplakia, OSMF, and leukoplakia and OSMF), healthy group, and OSCC group (p
Fulltext Challenges and Opportunities of Low Viscous Biofuel-A Prospective Review

Ramalingam K, Vellaiyan S, Venkatesan EP, Khan SA, Mahmoud Z, Saleel CA

ACS Omega, 2023 May 16;8(19):16545-16560.
PMID: 37214702 DOI: 10.1021/acsomega.3c00387

Under the roof of solid industrialization and accelerated intensification of multiple ranges of mobilization, a huge rise in precious fuel consumption and pollution was observed. Based on the recent hardships of fossil fuels, experts are undoubtedly eager in carrying out their research in renewable environment-friendly fuels. There have been many reviews of works considering the parameters and standards of biodiesel, which is only from various vegetable and seed oils. But very little review work was carried out on only plant-based biofuel. Plant-based fuel has a lower viscosity and higher volatility properties. The target of this review was to make a bridge to overcome these research gaps. This review extensively studies the biological background, production outcome, properties, and reliability of plant-based biofuel and also deeply investigates the feasibility of usage in a diesel engine. From deep investigation it was identified that most of the low viscous fuel had higher brake thermal efficiency (BTE) (2% to 4%) and NOx emission (5% to 10%) than high viscous biodiesel. The formation of hydrocarbon (HC), CO, and smoke emission was similar to high viscous biodiesel. Overall, the low viscous fuel effectively improves the engine behaviors.

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