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p-Index From 2021 - 2026
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All Journal JET (Journal of English Teaching) Techno Agriculturae Studium of Research Journal of Biomedical and Techno Nanomaterials
Dorji, Jigme
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Education Languange, Linguistic, Communication & Media

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Enhancing Academic Writing Skill Through Mini Lessons and Revision Dorji, Jigme
JET (Journal of English Teaching) Vol. 7 No. 1 (2021): Journal of English Teaching
Publisher : Prodi. Pendidikan Bahasa Inggris, FKIP, Universitas Kristen Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33541/jet.v7i1.2272

Abstract

An action research was conducted with class 12 science students (n=15) for three months with an aim of helping students improve their academic writing skill through mini revision lessons and feedback. The study was conducted based on pre-test-intervention-post-test design using mixed method. Test scores and interview were two main data collection tools. Data collected from test scores were analysed descriptively in percentage and average. Answers to interview questions were analysed thematically. Finding from the study revealed that students’ quality of writing improved proving the effectiveness of mini revision lessons and feedback.
DESIGN AND TESTING OF A WIRELESS SENSOR NETWORK FOR REAL-TIME MONITORING OF SOIL NPK LEVELS IN SUGARCANE PLANTATIONS Wangmo, Tandin; Dorji, Jigme; Tenzin, Choden
Techno Agriculturae Studium of Research Vol. 2 No. 5 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/agriculturae.v2i5.2949

Abstract

This study develops and tests a Wireless Sensor Network (WSN) system for real-time monitoring of soil nitrogen (N), phosphorus (P), and potassium (K) levels in sugarcane plantations. Traditional soil testing methods are time-consuming and costly, and they fail to provide continuous data on nutrient fluctuations, which limits effective decision-making in fertilization management. The study aims to evaluate the reliability and applicability of the WSN system in both agricultural field operations and as an educational tool for technology-enhanced learning. The research followed a design-and-testing methodology, developing sensor nodes with NPK soil sensors, microcontrollers, and wireless communication modules integrated into a centralized monitoring platform. Field testing took place in a sugarcane plantation, with sensor data continuously transmitted to a cloud-based dashboard for analysis. Results show that the WSN system accurately monitored spatial and temporal variations in soil NPK levels, providing stable data transmission with measurement accuracy comparable to laboratory soil analysis. Real-time visualization of nutrient status facilitated quicker interpretation and more responsive fertilization strategies. The study concludes that WSN-based soil monitoring is a practical, scalable solution for improving nutrient management in sugarcane plantations and offers potential as an educational tool to integrate digital sensing technologies into agricultural and vocational education.
DEVELOPMENT OF PH-RESPONSIVE POLYMERIC MICELLES FOR TARGETED DOXORUBICIN DELIVERY TO HYPOXIC TUMOR MICRO-ENVIRONMENTS Saida, Fathimath; Dorji, Jigme; Ríos, David
Journal of Biomedical and Techno Nanomaterials Vol. 2 No. 4 (2025)
Publisher : Yayasan Adra Karima Hubbi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70177/jbtn.v2i4.2973

Abstract

Hypoxic tumor micro-environments are characterized by abnormal vascularization and acidic extracellular pH, which significantly reduce the effectiveness of conventional chemotherapy and contribute to therapeutic resistance. Doxorubicin, although widely used, suffers from severe systemic toxicity and limited selectivity toward hypoxic tumor regions. This study aims to develop pH-responsive polymeric micelles capable of selectively delivering doxorubicin to hypoxic tumor micro-environments by exploiting endogenous acidity as a biological trigger. An experimental laboratory-based design was employed involving the synthesis of amphiphilic block copolymers, micelle self-assembly, physicochemical characterization, and in vitro biological evaluation under normoxic and hypoxic conditions. Particle size, stability, drug loading, and pH-dependent release behavior were systematically assessed, followed by cytotoxicity, cellular uptake, and three-dimensional tumor spheroid studies. The developed micelles exhibited uniform nanoscale size, high encapsulation efficiency, minimal drug leakage at physiological pH, and accelerated drug release under mildly acidic conditions representative of hypoxic tumors. Enhanced intracellular doxorubicin accumulation, deeper tumor penetration, and significantly increased cytotoxicity under hypoxia were observed compared to non-responsive micelles and free drug. These findings demonstrate that pH-responsive polymeric micelles provide an effective and biologically informed platform for targeted chemotherapy in hypoxic tumor micro-environments, offering promising potential for improving therapeutic efficacy while reducing systemic toxicity.  
Co-Authors Ríos, David Saida, Fathimath Tenzin, Choden Wangmo, Tandin