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Did you mean R. M. M. R. ratnayake (10 results)?
Factors associated with measures of sarcopenia in pre and postmenopausal women.
Rathnayake N, Alwis G, Lenora J, Lekamwasam S. Rathnayake N, et al. BMC Womens Health. 2021 Jan 2;21(1):5. doi: 10.1186/s12905-020-01153-9. BMC Womens Health. 2021. PMID: 33388050 Free PMC article.
ASMM showed the strongest association with HGS in both PrMW (r = 0.44, R(2) = 0.20) and PMW (r = 0.44, R(2) = 0.20). GS in PrMW showed significant associations with height, BMI and energy consumption (adjusted R(2) = 0.13) while in PMW, with car …
ASMM showed the strongest association with HGS in both PrMW (r = 0.44, R(2) = 0.20) and PMW (r = 0.44, R(2) = 0. …
Migraine, headache disorders, and brain health: aligning advocacy with the UN Sustainable Development Goals.
Martelletti P, de Oliveira AB, Dhamija RK, Francis P, Gouider R, Guekht A, Al-Hasany AH, Houessou MA, Lanteri-Minet M, Leonardi M, Lu-Bolanos M, Pathirage M, Malik A, Mosaddeghi-Heris R, Netravathi M, Ojha R, Owolabi MO, Paudel R, Ray J, Raggi A, Ranta A, Rathnayake N, Reuter U, Sudibyo DA, Tanprawate S, Tao J, Tu Y, Tucker L, Vashchenko N, Waidyasekara J, Wang Y, Woldeamanuel YW, Wijeratne T. Martelletti P, et al. J Headache Pain. 2026 Apr 7;27(1):94. doi: 10.1186/s10194-026-02348-5. J Headache Pain. 2026. PMID: 41947032 Free PMC article. No abstract available.
Development and Cross-Validation of Anthropometric Predictive Equations to Estimate Total Body Fat Percentage in Adult Women in Sri Lanka.
Rathnayake N, Alwis G, Lenora J, Lekamwasam S. Rathnayake N, et al. J Obes. 2020 Jul 15;2020:2087346. doi: 10.1155/2020/2087346. eCollection 2020. J Obes. 2020. PMID: 32733703 Free PMC article.
TBFP (%) was quantified with total body DXA (TBFP(DXA)). Height (m), weight (kg), and skinfold thickness (SFT, mm) at six sites and circumferences (cm) at five sites were measured. ...They showed higher measurement concordance with TBFP(DXA); correlation between measured T …
TBFP (%) was quantified with total body DXA (TBFP(DXA)). Height (m), weight (kg), and skinfold thickness (SFT, mm) at six sites and c …
Performance Evaluation of a Thermophilic Anaerobic Membrane Bioreactor for Palm Oil Wastewater Treatment.
Yee TL, Rathnayake T, Visvanathan C. Yee TL, et al. Membranes (Basel). 2019 Apr 18;9(4):55. doi: 10.3390/membranes9040055. Membranes (Basel). 2019. PMID: 31003466 Free PMC article.
The highest methane yield achieved was 0.56 m(3) CH(4)/kg COD(r). The reactor mixed liquor volatile suspended solids (MLVSS) was maintained between 11.1 g/L to 20.9 g/L. A dead-end mode PTFE hollow fiber microfiltration was operated with the constant flux of 3 LMH ( …
The highest methane yield achieved was 0.56 m(3) CH(4)/kg COD(r). The reactor mixed liquor volatile suspended solids (MLVSS) w …
Molecular epidemiology of rodent-borne Leptospira spp. in Sri Lanka: identification of novel sequence types and previously unrecognized reservoir animals.
Rathnayake N, Takabe K, Muthusinghe D, Vijeyakumaran R, Senarathne P, Dissanayake N, Urata S, Yoshimatsu K, Akeda Y, Gamage C, Koizumi N. Rathnayake N, et al. J Med Microbiol. 2026 Mar;75(3):002133. doi: 10.1099/jmm.0.002133. J Med Microbiol. 2026. PMID: 41790562 Free PMC article.
The novel STs of L. interrogans and L. kirschneri were genetically distinct from other STs detected in Sri Lanka. R. rattus and M. booduga were newly identified as the source of L. interrogans ST49 and of L. borgpetersenii ST144 and L. licerasiae infections in human …
The novel STs of L. interrogans and L. kirschneri were genetically distinct from other STs detected in Sri Lanka. R. rattus and M …
SARC-F: an effective screening tool for detecting sarcopenia and predicting health-related quality of life in older women in Sri Lanka.
Rathnayake N, Abeygunasekara T, Liyanage G, Subasinghe S, De Zoysa W, Palangasinghe D, Lekamwasam S. Rathnayake N, et al. BMC Geriatr. 2025 Feb 25;25(1):129. doi: 10.1186/s12877-025-05786-z. BMC Geriatr. 2025. PMID: 40000973 Free PMC article.

A significant positive correlation between SARC-F and HGS indicated concurrent validity (r = 0.23, p < 0.001). Women with sarcopenia had significantly lower HRQoL scores, HGS and GS compared to those without, confirming discriminant validity (p < 0.01). ...SARC-F sig

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A significant positive correlation between SARC-F and HGS indicated concurrent validity (r = 0.23, p < 0.001). Women with sarcopen

…
Numerical modelling of fate and transport of heavy metal contaminant in an open dumping yard, South India.
Venkatesh AT, Gokuladoss V, Surinaidu L, Rajkumar S, Rathnayake U, Masilamani US. Venkatesh AT, et al. Environ Monit Assess. 2026 Jan 3;198(1):80. doi: 10.1007/s10661-025-14920-8. Environ Monit Assess. 2026. PMID: 41484483
The MODFLOW model, calibrated with 2021-2022 data (R(2) = 0.98, RMSE = 4.69 m, Normalized RMS = 7.11%), and validated with May 2023 data, simulated contaminant migration using MT3DMS. ...
The MODFLOW model, calibrated with 2021-2022 data (R(2) = 0.98, RMSE = 4.69 m, Normalized RMS = 7.11%), and validated with May …