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Submissions from 2023

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Comparative Proteomics Reveals Anticancer Compounds from Lansium domesticum Against NSCLC Cells Target Mitochondrial Processes, Michael Russelle Alvarez, Florence De Juan, Qingwen Zhou, Ian Ken D. Dimzon, Sheryl Joyce Grijaldo, Sean Sunga, Francisco Heralde, Carlito B. Lebrilla, Gladys Cherisse Completo, and Ruel C. Nacario

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Selective Synthesis of Monolaurin: A Preliminary Investigation, Ruel Cayona and Gilbert Yu

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Amitriptyline Sequestration by Unmodified and Modified Microcrystalline Cellulose: A Potential Treatment for Drug Overdosing, Soma Chakraborty, Adrienne Nicole S. Bartolome, and Francisgerard A. Aguilar

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Editorial: Saturated Fat: Metabolism, Nutrition, and Health Impact, Fabian M. Dayrit

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Teaching Sustainability in Science: The Case for Chemistry, Fabian M. Dayrit and Erwin P. Enriquez

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Electrochemical and Structural Characterization of Electropolymerized Composite of NH2-Graphene and Polyaniline, Jonathan E. Pa-A and Erwin P. Enriquez

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Deposition and Morphology of Direct Current Plasma-Polymerized Aniline, Sidney M. Palardonio and Magdaleno R. Vasquez

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Low-Cost DIY Capacitive Sensor for Water Activity of Food Samples, Jiena Lynne R. Pauco, Izellah Gwyneth B. Carandang, Alissandra B. Cayabyab, Candell Grace P. Quino, and Erwin P. Enriquez

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Outcomes from Online vs Face-to-Face Learning in General Chemistry: A Natural Experiment, Nina Rosario L. Rojas

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Practical Application Guide for the Discovery of Novel PFAS in Environmental Samples Using High Resolution Mass Spectrometry, Mark Strynar, James McCord, Seth Newton, John Washington, Krista Barzen-Hanson, Xenia Trier, Yanna Liu, Ian Ken D. Dimzon, Boris Bugsel, Christian Zwiener, and Gabriel Munoz

Submissions from 2022

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Ractopamine at the Center of Decades-Long Scientific and Legal Disputes: A Lesson on Benefits, Safety Issues, and Conflicts, Kumail Abbas, Aqeel Raza, Ross D. Vasquez, Marri Jmelou M. Roldan, Nemi Malhotra, Jong-Chin Huang, Olivia Erin M. Buenafe, Kelvin H. -C Chen, Shin-Shin Liang, and Chung-Der Hsiao

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Sayote (Sechium edule) Fiber Isolated at Varying Acid Hydrolysis Time and Reinforcement to Starch/PVOH Composite Blends, Jennifer Bandao-Antonio and Jose Mario A. Diaz

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Detection of Nitrogen in Layer-by-Layer Polymeric Films by Energy Dispersive X-Ray Spectroscopy, Virgil Christian Castillo, Ted Limpoco, and Erwin Enriquez

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6 – Chitosan and Cellulose Particles for Drug Sequestration, Soma Chakraborty

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Are We Building Back Better?, Fabian M. Dayrit

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Molecular Dynamics Simulation of an ι-Carrageenan Hexamer as Single and Double Helices, Mark Vincent C. dela Cerna, Renz Marion G. Garcia, Armando M. Guidote Jr, and Gil C. Claudio

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Inkjet Printing of UHF RFID Antennas Using Silver and Gold Inks, Fatimah Nasrah P. Hamoy, Diana G. Romero, Lea Cristina Macaraig, and Erwin Enriquez

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Inkjet-Printed Three-Electrode System on Flexible Substrate for Low-Cost Electrochemical Analysis, Jiena Lynne R. Pauco and Erwin Enriquez

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Synthesis and Characterization of Rice Straw Derived Nanoscale Biochar-Based Fertilizer Infused with Nutrients, Nerissa C. Ramos, John Eric O. Abon, Kristine S. Pascual, Rodel M. Bulatao, Juvy J. Monserate, and Jose Mario A. Diaz

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Facile Grignard Reaction Demonstration Using Molecular Sieved Dried Solvent, Jude M. Reyes, John Vincent M. Tumaneng, and Gilbert U. Yu

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Facile Grignard Reaction Demonstration Using Molecular Sieved Dried Solvent, Jude M. Reyes, John Vincent M. Tumaneng, and Gilbert U. Yu

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Synthesis of Ferrocene−Cyclodextrin, Anthracene−Cyclodextrin, and Pyrene−Cyclodextrin [2]Rotaxane Conjugates and Their Intercomponent Behavior as Observed in NMR Spectroscopy, John Vincent M. Tumaneng, Andrea Louise Matulac, Jude M. Reyes, Amyel Joseph Baldovino, Joseph Lumba, and Gilbert U. Yu

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Synthesis of Ferrocene−Cyclodextrin, Anthracene−Cyclodextrin, and Pyrene−Cyclodextrin [2]Rotaxane Conjugates and Their Intercomponent Behavior as Observed in NMR Spectroscopy, John Vincent M. Tumaneng, Andrea Louise Matulac, Jude M. Reyes, Amyel Joseph Baldovino, Joseph Lumba, and Gilbert U. Yu

Submissions from 2021

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Lessons Learned in Pursuit of Lifelong Learning in Science, Technology, and Society, Genejane Adarlo, Abigail Marie T. Favis, Charlotte Kendra Z. Gotangco, and Armando M. Guidote Jr

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Virgin Coconut Oil Is Effective in Lowering C-reactive Protein Levels Among Suspect and Probable Cases of COVID-19, Imelda Angeles-Agdeppa, Jacus S. Nacis, Mario V. Capanzana, Fabian M. Dayrit, and Keith V. Tanda

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Visualizing Phytochemical-Protein Interaction Networks: Momordica charantia and Cancer, Yumi L. Briones, Alexander T. Young, Fabian M. Dayrit, Armando Jerome De Jesus, and Nina Rosario L. Rojas

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Comparative Toxicity, Phytochemistry, and Use of 53 Philippine Medicinal Plants, Lydia M. Clemen-Pascual, Rene Angelo S. Macahig, and Nina Rosario L. Rojas

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Philippine Medicinal Plants with Potential Immunomodulatory and Anti-SARS-CoV-2 Activities, Fabian M. Dayrit, Armando M. Guidote Jr, Nina Gloriani, Sheriah Laine M. de Paz-Silava, Irene M. Villaseñor, Rene Angelo S. Macahig, Mario A. Tan, John Ross N. Chua, and Isidro C. Sia

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Combining Surface-Based Electromyography and Motion Sensing for Detection of Human Falling, Lawrence Ibarrientos, Harold Jay Bolingot, Lea Cristina Macaraig, Nathaniel Joseph C. Libatique, and Gregory L. Tangonan

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The Application of 13C NMR and Untargeted Multivariate Analysis for Classifying Virgin Coconut Oil, Lolita G. Lagurin, Mark Joseph Garrovillas, and Fabian M. Dayrit

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Formulating 3-Chloropropyltriethoxysilane Modified Silica Nanoparticle Sprays as Hydrophobic Transparent Coatings onto Cotton Textiles, Mikaela C. S. Mendoza and Gilbert U. Yu

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Fully integrated 3D-printed electrochemical cell with a modified inkjet-printed Ag electrode for voltammetric nitrate analysis, Sarah May Sibug-Torres, Lance P. Go, Virgil Christian G. Castillo, Jiena Lynne R. Pauco, and Erwin P. Enriquez

Submissions from 2020

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Chitosan Curcumin Film As A Sensor For Detection of O-Nitrophenol and Fluoride Ion Using Fluoresce Quenching Technique, Soma Chakraborty and Andrea Paola D. Ilagan

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Bentonite Reinforced Chitosan Scaffold: Effect of Bentonite Exfoliation on Scaffold Properties, Soma Chakraborty and Cristine Joy M. Pimentel

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Improving the Value of the Coconut with Biotechnology, Fabian M. Dayrit and Quang Nguyen

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Profile of Volatile Organic Compounds (VOCs) from Cold-Processed and Heat-Treated Virgin Coconut Oil (VCO) Samples, Ian Ken D. Dimzon, Grace B. Tantengco, Noel A. Oquendo, and Fabian M. Dayrit

Few-layer-graphene as intercalating agent for spray-pyrolysed fluorine-doped tin oxide transparent conducting electrode, L Go, Lea Macaraig, and Erwin Enriquez

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Teaching College Chemistry in the Time of COVID-19 Pandemic: A Personal Account of Teaching in the Old Normal vs. the New Normal, Armando M. Guidote Jr

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Feasibility of Cyclodextrin-Potassium Ion Assemblies Synthesis and Its Application in Loading Bio-active Molecules, YOMKIPPUR PEREZ and Gilbert U. Yu

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Feasibility of Modifying Existing Chemistry Demonstrations by Using Substitute Materials, Dane Mykel M. Quiambao, Armando M. Guidote Jr, and Rhodora F. Nicdao

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Fabrication of a 3D Printed Porous Junction for Ag|AgCl|gel-KCl Reference Electrode, Sarah May Sibug-Torres, Lance P. Go, and Erwin Enriquez

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Asymmetric Reactions in Water Catalyzed by L-Proline Tethered on Thermoresponsive Ionic Copolymers, Noriyuki Suzuki, Daisuke Mizuno, Armando M. Guidote Jr, Shun Koyama, Yoshihiro Masuyama, and Masahiro Rikukawa

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Biodegradability of Single and Mixed Surfactant Formulations, Jarrent R. Tayag and Ronaldo M. Fabicon

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Enhanced Extraction of Phenol from Model Oils Using Ionic Liquids Elucidated with Neutron Diffraction, Adam H. Turner, Emily L. Byrne, Thaise Pereira, and John D. Holbrey

Submissions from 2019

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Carbohydrate polymers as controlled release devices for pesticides, Soma Chakraborty and Maria Cleofe Neri-Badang

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Glycerol-modified poly(ε-caprolactone): an biocatalytic approach to improve the hydrophilicity of poly(ε-caprolactone), Soma Chakraborty; James Nicolas M. Pagaduan; Zara Kryzel A. Melgar,; Steffen Seitz; Kai Kan; and Hiroharu Ajiro

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The Challenge of Single-Use Plastic, Fabian M. Dayrit

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Galvanic dissolved oxygen sensor based from inkjet printed silver cathode and electrodeposited zinc anode, Erwin P. Enriquez and Lance P. Go

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Assessment of Quantity and Quality of Microplastics in the Sediments, Waters, Oysters, and Selected Fish Species in Key Sites Along the Bombong Estuary and the Coastal Waters of Ticalan in San Juan, Batangas, Emilyn Q. Espiritu, Sophia Angeli SN Dayrit, Annabel Soledad O. Coronel, Natasha Sophia C. Paz, Pilar Isabel L. Ronquillo, Virgil Christian G. Castillo, and Erwin P. Enriquez

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Few-layer-graphene as intercalating agent for spray-pyrolysed fluorine-doped tin oxide transparent conducting electrode, Liew Chien Go, Lea Macaraig, and Erwin P. Enriquez

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Chemiresistors Based on SnO2, TiO2 and SnO2/TiO2 Films for Possible Sensing of Na+ and Ca2+ ions, Denniell Ann Hurboda, Lea Cristina Macaraig, Ted Limpoco, and Erwin Enriquez

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Preparation and Characterization of NiO/YSZ and Ni/YSZ Porous Composite Electrodes Synthesized via Glycine-Nitrate Combustion Process, James Francis Imperial and Rinlee Butch M. Cervera

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Design of Potentiometric Sensor Arrays Using Fisher Information and Genetic Algorithm, Sarah May Sibug-Torres and Erwin Enriquez

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Information Theoretic Analysis of Potentiometric Sensor Array Configurations, Sarah May Sibug-Torres and Erwin Enriquez

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Smartphone-based image analysis and chemometric recognition of the thin-layer chromatographic fingerprints of herbal materials, Sarah May Sibug-Torres, Isagani D. Padolina, Philip Cruz, Felan Carlo Garcia, Mark Joseph Garrovillas, Maria Regina Yabilo, and Erwin Enriquez

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Radial multi-stationary phase thin-layer chromatography for the field-ready fingerprinting of herbal materials, Sarah May Sibug-Torres, Isagani D. Padolina, and Erwin Enriquez

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Molecular Design, Synthetic Strategies, and Applications of Cationic Polythiophenes, Regina C. So and Analyn C. Carreon-Asok

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Investigation of glycerol hydrogen-bonding networks in choline chloride/glycerol eutectic-forming liquids using neutron diffraction, Adam H. Turner and John D. Holbrey

Submissions from 2018

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Removal of Triolein Lipid From Aqueous System by Molecularly Imprinted Chitosan and Its Derivative, Soma Chakraborty and Xyza Jane Templonuevo

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Polyelectrolyte Complex of Chitosan and K-Carrageenan as Potential Scaffold for Tissue Engineering, Soma Chakraborty, Kristina Angelica M. Yatco, Edward King L. Chua, and Modesto Tan Chua

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Untargeted Bioassay Strategy for Medicinal Plants: In Vitro Antidiabetic Activity and 13C NMR Profiling of Extracts from Vitex negundo L, Fabian M. Dayrit, Myrnille Joy B. Zabala, and Lolita G. Lagurin

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Trace organic chemical pollutants from the lake waters of San Pablo City, Philippines by targeted and non-targeted analysis, Ian Ken D. Dimzon, Ann Selma Morata, Janine Müller, Roy Kristian Yanela, Stephan Lebertz, Heike Weil, Teresita R. Perez, Fabian M. Dayrit, and Thomas P. Knepper

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Electrowetting on dielectric (EWOD) of sessile microdroplets containing gold nanoparticles, Erwin Enriquez, Raphael A. Guerrero, and Crismar Patacsil

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Controlled Microwave-Hydrolyzed Starch as a Stabilizer for Green Formulation of Aqueous Gold Nanoparticle Ink for Flexible Printed Electronics, Erwin P. Enriquez, Nikita P. Bacalzo, Lance P. Go, Christine Joy Querebilo, Peter Hildebrandt, and F.T Limpoco

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Educational Attainment, Teaching Experience, Professional Development and Self-Efficacy as Predictors of Chemistry Content Knowledge: Implication for the Development of a National Promotion Examination, Jina Denise R. Galiza, Rhodora F. Nicdao, and Armando M. Guidote Jr

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Palladium-Catalyzed Carbonyl Allylation Reactions Using Tin Chloride: A Mini-Review, Armando M. Guidote Jr, Mikael John A. Baltazar, Roy Kristian C. Yanela, and Noriyuki Suzuki

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Biochar From Waste Banana Peels as Growth Promoter for Holy Basil (Ocimum tenuiflorum) And Chili Pepper (Capsicum annuum), Regina C. So and N Tan

Submissions from 2017

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Carrageenan for encapsulation and immobilization of flavor, fragrance, probiotics, and enzymes: A review, Soma Chakraborty

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Novel Chitosan Microparticles for Sequestration of Overdosed Drug, Soma Chakraborty, Patricia Teresa F. Agbayani, and Modesto Tan Chua

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Monitoring of Vancomycin in Human Plasma via Portable Microchip Electrophoresis With Contactless Conductivity Detector and Multi-Stacking Strategy, Kah Chun Chong, Lee Yien Thang, Joselito P. Quirino, and Hong Heng See

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Coconut Oil: From Diet to Therapy, Conrado S. Dayrit and Fabian M. Dayrit

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A Half-Truth is Not the Whole Truth: The AHA Position on Saturated Fat, Fabian M. Dayrit

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Coconut Oil: Bringing History, Common Sense and Science Together, Fabian M. Dayrit

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Dietary Guidelines and its Implications for Coconut Oil, Fabian M. Dayrit

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From Artemisia annua L . to Artemisinins: The Discovery and Development of Artemisinins and Antimalarial Agents. Edited by YouYou Tu, Fabian M. Dayrit

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How the Wrong Science Is Making People Sick: The Truth About Saturated Fat, Animal Fat and Coconut Oil, Fabian M. Dayrit

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The Warning on Saturated Fat: From Defective Experiments to Defective Guidelines, Fabian M. Dayrit

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The Warning on Saturated Fat: From Defective Experiments to Defective Guidelines, Fabian M. Dayrit

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1H and 13C NMR for the Profiling of Natural Product Extracts: Theory and Applications, Fabian M. Dayrit and Angel C. de Dios

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Chemical profiling and chemical standardization of Vitex negundo using 13C NMR, Fabian M. Dayrit, Lolita G. Lagurin, John Daniel J. Magsalin, and Anthony R. Zosa

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Binding Studies of Histamine-Imprinted Polymers Prepared Using Photochemical Polymerization for Facile Incorporation to Sensing Device, Clovia I. Holdsworth, Edwin F. Romano Jr., and Regina C. So

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Chemical profiling of Philippine Moringa oleifera leaves, Lolita G. Lagurin, Fabian M. Dayrit, Maynard O. Galingana, J.E.S Escaño, and John Daniel J. Magsalin

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Assessing In-service Teachers’ Chemistry Content Knowledge and Self-efficacy in Teaching the K to 12 Science Curriculum, Yna Camille A. Mongcal, Queena N. Lee-Chua, and Armando M. Guidote Jr

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Room Temperature Synthesis and Binding Studies of Solution-Processable Histamine-Imprinted Microspheres, Edwin F. Romano Jr., Clovia I. Holdsworth, Joselito P. Quirino, and Regina C. So

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Assessment of the Binding Performance of Histamine-Imprinted Microspheres by Frontal Analysis Capillary Electrophoresis, Edwin F. Romano Jr., Joselito P. Quirino, John L. Holdsworth, Regina C. So, and Clovia I. Holdsworth

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Gram-Scale Synthesis and Kinetic Study of Bright Carbon Dots from Citric Acid and Citrus japonica via a Microwave-Assisted Method, Regina C. So, Jemimah E. Sanggo, Lei Jin, Jose Mario A. Diaz, Raphael A. Guerrero, and Jie He

Submissions from 2016

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Science as a Non-issue, Fabian M. Dayrit

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Three-Step Stacking by Field-Enhanced Sample Injection, Sweeping, and Micelle to Solvent Stacking in Capillary Electrophoresis: Anionic Analytes, Wojciech Grochocki, Michal J. Markuszewski, and Joselito P. Quirino

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Content Analysis of the Discussion of the Atom in General Chemistry Textbooks Using Evaluation Criteria Based on the Nature of Science and Philosophy of Chemistry, Armando M. Guidote Jr, Angelo Julian E. Perez, Gilbert U. Yu, and Michael Ner E. Mariano

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Preparation and Binding Evaluation of Histamine-Imprinted Microspheres via Conventional Thermal and RAFT-Mediated Free-Radical Polymerization, Edwin F. Romano Jr., Regina C. So, Scott W. Donne, and Clovia I. Holdsworth

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Development of Dieldrin, Endosulfan, and Hexachlorobenzene-Imprinted Polymers for Dye-Displacement Array Sensing, Ofelia V. Silverio, Regina C. So, Katrina Jean S. Elnar, Christian Malapit, and Ma. Cristine M. Nepomuceno

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Cationic and Neutral Rotaxanes Having Different Functional Groups in the Axle Molecule and Their Coordination to PtII, Gilbert U. Yu, Yuji Suzaki, and Kohtaro Osakada

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Ferrocene-containing [1]-, [2]-, [3]- and [4]rotaxanes synthesized from a common precursor, Gilbert U. Yu, Yuji Suzaki, and Kohtaro Osakada

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13C Nuclear Magnetic Resonance Phytochemical Profiling of the In Vitro Antidiabetic Potential of Vitex negundo L., Myrnille Joy B. Zabala, Lolita G. Lagurin, and Fabian M. Dayrit

Submissions from 2015

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Chitosan and Quat-188 Modified Chitosan Poly(acrylic acid) Semi-Interpenetrating Network For Controlled Release of Drugs, Christian Jil R. Benitez, Christian Gonzales, Mari Kaira O. Leal, Ivy Marie C. Andalis, Modesto Tan Chua, Takahiko Nakaoki, and Soma Chakraborty

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Low-Cost Magnetic Stirrer from Recycled Computer Parts with Optional Hot Plate, Armando M. Guidote Jr, Giselle Mae M. Pacot, and Paul M. Cabacungan

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Making a Low-Cost Soda Can Ethanol Burner for Out-of-Laboratory Flame Test Demonstrations and Experiments, Henson L. Lee Yu, Perfecto N. Domingo Jr, Elliard Roswell S. Yanza, and Armando M. Guidote Jr

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The green chemistry and Filipino approach to high school experiments in Saint Paul College Pasig, Ronald G. Santos and Armando M. Guidote Jr

Submissions from 2014

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Novel glycerol crosslinked poly(methyl methacrylate) synthesized by chemo-enzymatic method for controlled release application, Melannie S. Carna and Soma Chakraborty

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Nanoparticulate molecularly imprinted poly(acrylic acid) as potential stationary phase for chiral separation of ofloxacin, Soma Chakraborty, Cheem Conanan Razonabe, and Modesto Tan Chua