Rita Kartika Sari
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View article: Some indonesian mangrove wood species: wood anatomy and their potential for paper pulp raw material
Some indonesian mangrove wood species: wood anatomy and their potential for paper pulp raw material Open
Introduction: many mangrove wood species exhibit similar physical appearances. Identifying wood based on anatomical characteristics can help to sort, select, and differentiate among various mangrove wood species, with the result that the p…
View article: Greener Polyurethane Adhesive Derived from Polyvinyl Alcohol/Tannin-Based Polyol for Plywood
Greener Polyurethane Adhesive Derived from Polyvinyl Alcohol/Tannin-Based Polyol for Plywood Open
The reaction between polyols and diisocyanates forms polyurethane (PU) adhesives. However, these materials are derived from petroleum-based chemicals, whose availability is declining. As an environmentally friendly, renewable, and formalde…
View article: Antidiabetic Activities of Agarwood (Aquilaria malaccensis) Leaf Extracts via Enhanced Insulin Secretion in BRIN-BD11 Pancreatic Beta-Cells
Antidiabetic Activities of Agarwood (Aquilaria malaccensis) Leaf Extracts via Enhanced Insulin Secretion in BRIN-BD11 Pancreatic Beta-Cells Open
Agarwood leaves (Aquilaria malaccensis), a non-timber forest products, shows significant potential as a source of antidiabetic compounds. This study aims to evaluate the antidiabetic activity of agarwood leaves and their cytotoxicity on pa…
View article: Effectiveness of Different Extraction Techniques on the Yield and Antityrosinase Activity of Merbau (Intsia bijuga (Colebr.) Kuntze) Wood Extract
Effectiveness of Different Extraction Techniques on the Yield and Antityrosinase Activity of Merbau (Intsia bijuga (Colebr.) Kuntze) Wood Extract Open
This study employed various extraction techniques to determine the yield, phytochemical profile, and antityrosinase activity of merbau wood (Intsia bijuga (Colebr.) Kuntze) extracts. The extraction techniques consisted of two factors: the …
View article: Evaluation of porang flour (Amorphophallus muelleri) as natural filler for enhancing urea formaldehyde and citric acid adhesives in plywood production
Evaluation of porang flour (Amorphophallus muelleri) as natural filler for enhancing urea formaldehyde and citric acid adhesives in plywood production Open
This study explores the potential of porang flour (Amorphophallus muelleri) as a sustainable filler in urea formaldehyde (UF) and citric acid (CA) adhesives, highlighting its effect on enhancing plywood performance. The physical and mechan…
View article: Termite Attractant Activity and Phytochemical Profile of Cajuput Seedling Root Extracts from Multistage Extraction
Termite Attractant Activity and Phytochemical Profile of Cajuput Seedling Root Extracts from Multistage Extraction Open
View article: THE SURFACE CHARACTERISTICS AND PHYSICAL PROPERTIES OF SENGON WOOD AT HIGH-TEMPERATURE HEATING TREATMENTS
THE SURFACE CHARACTERISTICS AND PHYSICAL PROPERTIES OF SENGON WOOD AT HIGH-TEMPERATURE HEATING TREATMENTS Open
Sengon (Falcataria moluccana Miq.) is a fast-growing timber species widely distributed in Indonesia. However, its dimensional instability and low surface quality have limited its widespread use. Wood modification is essential for enhancing…
View article: Formaldehyde-free plywood composites bonded with polyurethane adhesive derived from lignin-polyvinyl alcohol-based polyol
Formaldehyde-free plywood composites bonded with polyurethane adhesive derived from lignin-polyvinyl alcohol-based polyol Open
Polyurethane (PU) adhesive derived from lignin-based polyol can be used as a substitute for urea–formaldehyde (UF) adhesive for plywood because it can be used for exterior application, it is more environmentally friendly, and does not prod…
View article: Antitermite Activity of Eucalyptus pellita Bark Extract
Antitermite Activity of Eucalyptus pellita Bark Extract Open
The study uncovers the promising anti-termite properties of Eucalyptus pellita bark extract, a resource often discarded as industrial waste in the pulp and paper manufacturing industry. It investigates the anti-termite efficacy of various …
View article: In Vitro and Molecular Docking Studies of the Antimalarial Activities of Strychnos ligustrina Extracts from Different Parts of the Woody Stem
In Vitro and Molecular Docking Studies of the Antimalarial Activities of Strychnos ligustrina Extracts from Different Parts of the Woody Stem Open
View article: Performance of oriented strand board bonded with a hybrid phenol-formaldehyde/polymeric methylene diphenyl diisocyanate adhesives system
Performance of oriented strand board bonded with a hybrid phenol-formaldehyde/polymeric methylene diphenyl diisocyanate adhesives system Open
A hybrid adhesive system composed of phenol-formaldehyde (PF) resin and polymeric methylene diphenyl diisocyanate (pMDI), modified with two types of alkaline catalysts, namely NaOH and CaCO3 at 20% (w/v), was used for manufacturing the ori…
View article: LOLITA: TAJWEED GAME-BASED LEARNING MEDIA DEVELOPMENT USING THE HANNAFIN AND PECK MODEL
LOLITA: TAJWEED GAME-BASED LEARNING MEDIA DEVELOPMENT USING THE HANNAFIN AND PECK MODEL Open
Tajweed is the science of reading the Qur'an, which is urgently taught to students to avoid mistakes when reading or reciting it. However, learning tajweed is quite complicated. Game-based learning media are very suitable for development, …
View article: Hydrolytic Stability of Sengon-Oriented Strand Board Bonded with Hybrid Phenol-Formaldehyde/Polymeric Methylene Diphenyl Diisocyanate Adhesives
Hydrolytic Stability of Sengon-Oriented Strand Board Bonded with Hybrid Phenol-Formaldehyde/Polymeric Methylene Diphenyl Diisocyanate Adhesives Open
The hydrolytic stability of oriented strand board (OSB) is critical to guarantee good performance in humid conditions over the long term. The adhesive system impacts hydrolytic stability in addition to the wood strands. This study aims to …
View article: Phytochemical Profile of Rhizophora apiculata, Bruguiera gymnorhiza, and Bruguiera cylindrica for Wood Identification
Phytochemical Profile of Rhizophora apiculata, Bruguiera gymnorhiza, and Bruguiera cylindrica for Wood Identification Open
Identification of wood species that are difficult to distinguish from their anatomical structure can be done through phytochemical (extractive substance) profiling. This research aimed to analyze the phytochemical profile as a sorter for t…
View article: Pemanfaatan sampah rumah dengan biopori sebagai solusi peningkatan sistem BUMDES dan pengembangan desa wisata di Desa Cacaban
Pemanfaatan sampah rumah dengan biopori sebagai solusi peningkatan sistem BUMDES dan pengembangan desa wisata di Desa Cacaban Open
Lubang Resapan Biopori (LRB) merupakan fasilitas resapan air yang dimaksudkan untuk mitigasi banjir dengan meningkatkan penetrasi air ke dalam tanah dan sebagai tempat penyimpanan pengolahan sampah organik. Untuk latihan ini, instrumen bio…
View article: Isocyanate–free tannin–based polyurethane resins for enhancing thermo-mechanical properties of ramie (Boehmeria nivea L.) fibers
Isocyanate–free tannin–based polyurethane resins for enhancing thermo-mechanical properties of ramie (Boehmeria nivea L.) fibers Open
The objective of this research was to investigate and evaluate the possibility of increasing the thermo-mechanical properties of ramie (Boehmeria nivea L.) fibers by impregnating them with a tannin-based non-isocyanate polyurethane (Bio-NI…
View article: Mechanical-chemical induction of balsam from Liquidambar excelsa trees
Mechanical-chemical induction of balsam from Liquidambar excelsa trees Open
Rasamala (Liquidambar excelsa (Noronha) Oken) is an endemic plant in Indonesia. Apart from its use as wood, Rasamala also produces an exudate, known as balsam. Rasamala balsam has the potential to be a substitute for other true balsams der…
View article: Properties of bio-based non-isocyanate polyurethane resins derived from viscous tannin of Acacia mangium bark, dimethyl carbonate, and hexamethylenediamine
Properties of bio-based non-isocyanate polyurethane resins derived from viscous tannin of Acacia mangium bark, dimethyl carbonate, and hexamethylenediamine Open
The increased industrial demand for polyurethane (PU) resins and the enhanced environmental awareness related to the unsustainable consumption of fossil-derived resources have ledd to a new indictment that connects with the development of …
View article: Bioactivity of Cajuput Seedling n-Hexane Extract as an Attractant for Subterranean Termite Coptotermes curvignathus Holmgren (Isoptera: Rhinotermitidae)
Bioactivity of Cajuput Seedling n-Hexane Extract as an Attractant for Subterranean Termite Coptotermes curvignathus Holmgren (Isoptera: Rhinotermitidae) Open
Subterranean termite attacks on cajuput (Melaleuca cajuputi) seedling roots were widespread in several of Java’s Perum Perhutani Forest Management Units. This attack was suspected to be related to the chemical components of the cajunput se…
View article: Mother pregnancy age association with the incidence of low birth weight infants
Mother pregnancy age association with the incidence of low birth weight infants Open
This analytical observational study aimed to determine the association between maternal age at childbirth and the incidence of low birth weight at Sultan Agung Islamic Hospital, Semarang, Indonesia. The study period was from January to Dec…
View article: Leukocyte Profile of Mice Infected with Plasmodium berghei and Treated with Aqueous Extract of Strychnos Ligustrina and Its Combination with Dihydroartemisinin Piperaquine Phosphate (DHP)
Leukocyte Profile of Mice Infected with Plasmodium berghei and Treated with Aqueous Extract of Strychnos Ligustrina and Its Combination with Dihydroartemisinin Piperaquine Phosphate (DHP) Open
Malaria is still one of the most highly pathogenic diseases, which remains a significant problem for public health. Natural compounds are alternative ways as an antimalarial compound that are applied for the artemisinin combination. The ai…
View article: PENGARUH TERAPI MUROTTAL SURAH AR-RAHMAN IRAMA JIHARKAH TERHADAP TEKANAN DARAH PENDERITA HIPERTENSI DI UPT GADING REJO
PENGARUH TERAPI MUROTTAL SURAH AR-RAHMAN IRAMA JIHARKAH TERHADAP TEKANAN DARAH PENDERITA HIPERTENSI DI UPT GADING REJO Open
The prevalence of hypertension sufferers in the world and Indonesia is increasing. Various factors related to genetics and lifestyle such as lack of physical activity, intake of salty and fat-rich foods as well as smoking and drinking habi…
View article: Metabolite profile, antiproliferative, and antioxidant activity of Acacia auriculiformis and Acacia crassicarpa extracts
Metabolite profile, antiproliferative, and antioxidant activity of Acacia auriculiformis and Acacia crassicarpa extracts Open
Acacia auriculiformis and A. crassicarpa can be used as non-timber forest products to produce therapeutic agents. To achieve this, it is essential to identify the metabolite profile and biological activity of these raw materials. In this s…
View article: Chemical Constituent of Acacia auriculiformis Wood Extractives and Their Antioxidant Activity
Chemical Constituent of Acacia auriculiformis Wood Extractives and Their Antioxidant Activity Open
Acacia auriculiformis showed good potential to be developed as a raw material for bioactive compounds. The heartwood of A. auriculiformis is still rarely explored. The purpose of this study was to identify the bioactive components of the h…
View article: Properties of Ramie (Boehmeria nivea (L.) Gaudich) Fibers Impregnated with Non-Isocyanate Polyurethane Resins Derived from Lignin
Properties of Ramie (Boehmeria nivea (L.) Gaudich) Fibers Impregnated with Non-Isocyanate Polyurethane Resins Derived from Lignin Open
The textile industries need an alternative to cotton since its supply is unable to keep up with the growing global demand. The ramie (Boehmeria nivea (L.) Gaudich) fiber has a lot of potential as a renewable raw material but has low fire-r…
View article: Cohesion and Adhesion Performance of Tannin-Glyoxal Adhesives at Different Formulations and Hardener Types for Bonding Particleboard Made of Areca (Areca catechu) Leaf Sheath
Cohesion and Adhesion Performance of Tannin-Glyoxal Adhesives at Different Formulations and Hardener Types for Bonding Particleboard Made of Areca (Areca catechu) Leaf Sheath Open
The use of alternative raw materials, such as agricultural biomass and by-products, in particleboard (PB) production is a viable approach to address the growing global demand for sustainable wood-based materials. The purpose of this study …
View article: Ultrasound-Assisted Extraction of Antimalarial Compounds from the Bidara Laut (Strychnos ligustrina) Heartwood
Ultrasound-Assisted Extraction of Antimalarial Compounds from the Bidara Laut (Strychnos ligustrina) Heartwood Open
The aqueous wood extract of bidara laut (Strychnos ligustrina) from maceration demonstrated the greatest antimalarial activity against Plasmodium falciparum strain 3D7. However, this method has several limitations, including a lengthy extr…
View article: COMMUNITY SERVICE VILLAGE DEVELOPMENT PARTNER PKM- PDM WASTE INDEPENDENT VILLAGE IN KELING JEPARA VILLAGE
COMMUNITY SERVICE VILLAGE DEVELOPMENT PARTNER PKM- PDM WASTE INDEPENDENT VILLAGE IN KELING JEPARA VILLAGE Open
Background: Breast milk is also an important source of energy and nutrients during illness, and reduces mortality among malnourished children. Breastfeeding is a physiological process to provide nutrition to the baby optimally. To review e…
View article: Adhesion and Cohesion Strength of Phenol-Formaldehyde Resin Mixed with Different Types and Levels of Catalyst for Wood Composites
Adhesion and Cohesion Strength of Phenol-Formaldehyde Resin Mixed with Different Types and Levels of Catalyst for Wood Composites Open
Phenol-formaldehyde (PF) resin is one of the most well-known adhesives for exterior use. PF adhesive is one of the commercial thermoset polymers that is used extensively due to its many benefits. This study investigated the influence of di…
View article: Correlation between Maternal Characteristics and The Incidence of COVID-19 in Pregnant Woman: A Cross-Sectional Study
Correlation between Maternal Characteristics and The Incidence of COVID-19 in Pregnant Woman: A Cross-Sectional Study Open
Background: COVID-19 is an infectious disease that attacks the respiratory tract. Pregnancy is considered as a risk factor because during pregnancy several physiological changes occur, namely increased expression of ACE2, changes in the re…