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Grecebio Jonathan D Alejandro

Biographic Data

ID216785
NAMEGrecebio Jonathan D Alejandro
GIVEN NAMESGrecebio Jonathan D
FAMILY NAMEAlejandro
SIGNATUREALEJANDRO G J D
AFFILIATIONSUniversity of Santo Tomas
ORCID0000-0003-4524-0385
VERIFIEDYes
TOTAL WORKS5
TOTAL CITATIONS6
AUTHOR COUNT5
EDITOR COUNT0
FIRST PUBLICATION YEAR2020
LATEST PUBLICATION YEAR2026
H-INDEX1
  • Ethnobotanical survey of medicinal plants used for cough management on Calagna-an Island, Carles, Iloilo, Philippines

    Open Access•ALMAR C DUGA, CECILIA S CORDERO et al.•ARTICLE•Asian Journal of Ethnobiology•2026

    Duga AC, Cordero CS, Alejandro GJD. 2026. Ethnobotanical survey of medicinal plants used for cough management on Calagna-an Island, Carles, Iloilo, Philippines. Asian J Ethnobiol 9 (1): y090124. https://doi.org/10.13057/asianjethnobiol/y090124. Cough remains a public health concern in the Philippines, particularly in island communities with limited access to healthcare where traditional medicine supports primary care. This study documented medici…

  • Assessing Entomological and Epidemiological Efficacy of Pyriproxyfen-Treated Ovitraps in the Reduction of Aedes Species: A Quasi-Experiment on Dengue Infection Using Saliva Samples

    Open Access•Antonio D Ligsay, Kristan Jela M Tambio et al.•ARTICLE•International Journal of…•2022

    Our study assessed the impact of using ovitraps with pyriproxyfen on mosquito populations and the feasibility of using human saliva samples to test for seroconversion to dengue virus (DENV). We used a quasi-experimental research design by forming the intervention ( n = 220) and the control ( n = 223) groups in neighboring Taguig City, Philippines, over 4 months. Socio-demographic data, entomological indices, and IgG antibodies against DENV were m…

  • “We Tried to Borrow Money, but No One Helped.” Assessing the Three-Delay Model Factors Affecting the Healthcare Service Delivery among Dengue Patients during Covid-19 Surge in a Public Tertiary Hospit…

    Open Access•Antonio D Ligsay, Maurice Lee B Santos et al.•ARTICLE•International Journal of…•2021

    Identification of delay barriers to care is essential for an effective and efficient healthcare service delivery. In this study, we described the delay in care among parents of the patients seeking treatment for dengue. We also examined the factors affecting the severity of dengue (dengue with warning signs; severe dengue). A convergent parallel design mixed-method approach using Key Informant Interviews (KII) and a survey guided by the Three-Del…

  • Quantitative ethnopharmacological documentation and molecular confirmation of medicinal plants used by the Manobo tribe of Agusan del Sur, Philippines

    Open Access•Mark Lloyd Granaderos Dapar, Grecebio Jonathan D Alejandro et al.•ARTICLE•Journal of Ethnobiology and…•2020•Cited by: 5•References: 69

    Background The Philippines is renowned as one of the species-rich countries and culturally megadiverse in ethnicity around the globe. However, ethnopharmacological studies in the Philippines are still limited especially in the most numerous ethnic tribal populations in the southern part of the archipelago. This present study aims to document the traditional practices, medicinal plant use, and knowledge; to determine the relative importance, conse…

  • Ethnomedicinal plants used for the treatment of cuts and wounds by the Agusan Manobo of Sibagat, Agusan del Sur, Philippines

    Open Access•Mark Lloyd Granaderos Dapar, Ulrich Meve et al.•ARTICLE•Ethnobotany Research and…•2020•Cited by: 1•References: 3

    (English)This study was conducted to investigate the ethnomedicinal plants used by the Agusan Manobo as potential drug leads for the treatment of cuts and wounds. Despite the prominence of the locality on medicinal plant use, the area was previously ignored due to distance and security threat from the Communist Party of the Philippines - New People’s Army. Oral medicinal plant knowledge was documented.Methods: Ethnomedicinal survey was conducted …

  • Quantitative ethnopharmacological documentation and molecular confirmation of medicinal plants used by the Manobo tribe of Agusan del Sur, Philippines

    Open Access•Mark Lloyd Granaderos Dapar, Grecebio Jonathan D Alejandro et al.•ARTICLE•Journal of Ethnobiology and…•2020•Cited by: 5•References: 69

    Background The Philippines is renowned as one of the species-rich countries and culturally megadiverse in ethnicity around the globe. However, ethnopharmacological studies in the Philippines are still limited especially in the most numerous ethnic tribal populations in the southern part of the archipelago. This present study aims to document the traditional practices, medicinal plant use, and knowledge; to determine the relative importance, conse…

  • Ethnomedicinal plants used for the treatment of cuts and wounds by the Agusan Manobo of Sibagat, Agusan del Sur, Philippines

    Open Access•Mark Lloyd Granaderos Dapar, Ulrich Meve et al.•ARTICLE•Ethnobotany Research and…•2020•Cited by: 1•References: 3

    (English)This study was conducted to investigate the ethnomedicinal plants used by the Agusan Manobo as potential drug leads for the treatment of cuts and wounds. Despite the prominence of the locality on medicinal plant use, the area was previously ignored due to distance and security threat from the Communist Party of the Philippines - New People’s Army. Oral medicinal plant knowledge was documented.Methods: Ethnomedicinal survey was conducted …

  • Quantitative ethnopharmacological documentation and molecular confirmation of medicinal plants used by the Manobo tribe of Agusan del Sur, Philippines

    Open Access•Mark Lloyd Granaderos Dapar, Grecebio Jonathan D Alejandro et al.•ARTICLE•Journal of Ethnobiology and…•2020•Cited by: 5•References: 69

    Background The Philippines is renowned as one of the species-rich countries and culturally megadiverse in ethnicity around the globe. However, ethnopharmacological studies in the Philippines are still limited especially in the most numerous ethnic tribal populations in the southern part of the archipelago. This present study aims to document the traditional practices, medicinal plant use, and knowledge; to determine the relative importance, conse…

  • Ethnomedicinal plants used for the treatment of cuts and wounds by the Agusan Manobo of Sibagat, Agusan del Sur, Philippines

    Open Access•Mark Lloyd Granaderos Dapar, Ulrich Meve et al.•ARTICLE•Ethnobotany Research and…•2020•Cited by: 1•References: 3

    (English)This study was conducted to investigate the ethnomedicinal plants used by the Agusan Manobo as potential drug leads for the treatment of cuts and wounds. Despite the prominence of the locality on medicinal plant use, the area was previously ignored due to distance and security threat from the Communist Party of the Philippines - New People’s Army. Oral medicinal plant knowledge was documented.Methods: Ethnomedicinal survey was conducted …

  • “We Tried to Borrow Money, but No One Helped.” Assessing the Three-Delay Model Factors Affecting the Healthcare Service Delivery among Dengue Patients during Covid-19 Surge in a Public Tertiary Hospit…

    Open Access•Antonio D Ligsay, Maurice Lee B Santos et al.•ARTICLE•International Journal of…•2021

    Identification of delay barriers to care is essential for an effective and efficient healthcare service delivery. In this study, we described the delay in care among parents of the patients seeking treatment for dengue. We also examined the factors affecting the severity of dengue (dengue with warning signs; severe dengue). A convergent parallel design mixed-method approach using Key Informant Interviews (KII) and a survey guided by the Three-Del…

  • Assessing Entomological and Epidemiological Efficacy of Pyriproxyfen-Treated Ovitraps in the Reduction of Aedes Species: A Quasi-Experiment on Dengue Infection Using Saliva Samples

    Open Access•Antonio D Ligsay, Kristan Jela M Tambio et al.•ARTICLE•International Journal of…•2022

    Our study assessed the impact of using ovitraps with pyriproxyfen on mosquito populations and the feasibility of using human saliva samples to test for seroconversion to dengue virus (DENV). We used a quasi-experimental research design by forming the intervention ( n = 220) and the control ( n = 223) groups in neighboring Taguig City, Philippines, over 4 months. Socio-demographic data, entomological indices, and IgG antibodies against DENV were m…

  • Ethnobotanical survey of medicinal plants used for cough management on Calagna-an Island, Carles, Iloilo, Philippines

    Open Access•ALMAR C DUGA, CECILIA S CORDERO et al.•ARTICLE•Asian Journal of Ethnobiology•2026

    Duga AC, Cordero CS, Alejandro GJD. 2026. Ethnobotanical survey of medicinal plants used for cough management on Calagna-an Island, Carles, Iloilo, Philippines. Asian J Ethnobiol 9 (1): y090124. https://doi.org/10.13057/asianjethnobiol/y090124. Cough remains a public health concern in the Philippines, particularly in island communities with limited access to healthcare where traditional medicine supports primary care. This study documented medici…

Medicine (4 works) · Medicinal plants (3 works) · Biodiversity (2 works) · Biology (2 works) · Dengue fever (2 works) · Ecology (2 works) · Environmental health (2 works) · Ethnobotanical and Medicinal Plants Studies (2 works) · Ethnobotany (2 works) · Ethnomedicine (2 works)

Ethnos_APP • Open Source Project • MIT License • Frontend v2.0.0 • Privacy and Cookies • API Documentation: api.ethnos.app/docs • API Source Code: GitHub • DOI: 10.5281/zenodo.17049435 • Frontend Source Code: GitHub • DOI: 10.5281/zenodo.17050053 • cruz.rio.br • Expectantes Misericordiae