Publications Prof. Dr. Marpongahtun, M.sc | Faculty of Mathematics and Natural Sciences Universitas Sumatera Utara

Enhancement of the Photocatalytic Activity of TiO2 Modified with Carbon Dots from Tamarind Seeds (Tamarindus indica L.) for Eco-friendly Naphthol B Dye Degradation

SAHARMAN GEA , MARPONGAHTUN , ANDRIAYANI

Green one-pot synthesis of rGO/AgNPs-$\beta$-cyclodextrin nanocomposites using Miconia crenata leaf extract: Insights into structural, interfacial, optical, and textural evolution.

SAHARMAN GEA , MARPONGAHTUN , YENI WAHYUNI HARTATI , A. MUHAMMAD AFDHAL SAPUTRA , Stergios Goutianos , Ni Luh Wulan Septiani

Carbon quantum dots surface decorated molybdenum disulfide by hydrothermal synthesis for tetracycline detector

MARPONGAHTUN , SAHARMAN GEA , YUNI ALDRIANI LUBIS , AISYAH RAMADHANI , ANISA NABILAH HARAHAP , AYUNDA AULIA ARSYAH , SEKAR AZHANI

The making of ethanolamine-modified stearin and its application in natural rubber technology

MARPONGAHTUN , INDRA SURYA

Absorbance spectral analysis of obtained nitrogen doped carbon dots from Jengkol pee

MARPONGAHTUN , SAHARMAN GEA , ANIZA SALVIANA PRAYUGO

The application of ethanolamine-modified stearin on the compounding of natural rubber: Mechanical and Crosslinking behaviours

INDRA SURYA , MARPONGAHTUN

Green Synthesis of Bacteria Cellulose Using Liquid Wasted of Tofu Impregnated Ag₂O-ZnO and Antibacterial Activity Tests for Staphylococcus aureus

MARPONGAHTUN , HERMAWAN PURBA , Athanasia Amanda Septevani

Comparison of B, S, and N-doped carbon dots from palm sugar and its optical properties

MARPONGAHTUN

The effects of ethanolamine-modified stearin on tensile and ageing behaviours of natural rubber

INDRA SURYA , MARPONGAHTUN

rGO/ZnO nanocomposite with XRD-structural characterization for electrochemical detection of palmitic acid as Ganoderma boninense biomarker

MARPONGAHTUN , SAHARMAN GEA , ANDRIAYANI , A. MUHAMMAD AFDHAL SAPUTRA , MUHAMMAD HARSA , MUTIARA SANI HARAHAP , Sumiyyah Sabar , Ronn Goei

ENVIRONMENTALLY SYNTHESISED YELLOW FLUORESCENT CARBON DOTS FOR ANTIBACTERIAL APPLICATIONS

SAHARMAN GEA , Heri Sutanto , ANIZA SALVIANA PRAYUGO , MARPONGAHTUN

COAL-DERIVED GRAPHENE@POLIANILIN-ZINC OXIDE HYBRID NANOCOMPOSITE: A NEW MATERIAL WITH HIGH PERFORMANCE FOR PHOTOCATALYTIC APPLICATIONS

MARPONGAHTUN , Ronn Goei , Isnaeni , MAHYUNI HARAHAP , HENNY SYAPITRI , Ir. VIVI PURWANDARI, M.Si

Green synthesis of N-doped carbon dots from cocoa fruit skin as antibacterial

MARPONGAHTUN

A Green Approach to N, S-doped Carbon Dots from Jengkol Peel (Archidendron pauciflorum) for Ratiometric Sensing of Amaranth Dye

AGUS RIMUS LIANDI , MARPONGAHTUN , AMIR HAMZAH SIREGAR , ANIZA SALVIANA PRAYUGO , RIRIN ANNISA , Salmiati , Amru Daulay

Graphene oxide–bacterial cellulose composites for enhanced adsorption of rhodamine B from aqueous solutions

SAHARMAN GEA , MARPONGAHTUN , ANDRIAYANI , A. MUHAMMAD AFDHAL SAPUTRA , MUHAMMAD IRVAN HASIBUAN , FARDA NATA SYAKIRA , SALWA AQILAH LUTHFIYAH , SAFIRA AZKIA , Sumiyyah Sabar , Ronn Goei

ZIF-8 modified with N-doped Carbon Dots using the direct mixing method at room temperature

SAHARMAN GEA , ANIZAR , MARPONGAHTUN , Heri Sutanto

Facile synthesis of reduced graphene oxide using natural plant extracts as green reducing agents

MARPONGAHTUN , SAHARMAN GEA , ANDRIAYANI , A. MUHAMMAD AFDHAL SAPUTRA , Ronn Goei , Alfred Iing Yoong Tok , Stergios Goutianos

Optimising cellulose nanofiber extraction from water hyacinth (Eichhornia crassipes) stems: Effects of steam explosion pretreatment and ultrasonication time

CUT FATIMAH ZUHRA , SAHARMAN GEA , MARPONGAHTUN

Facile synthesis and electrochemical performance of bacterial cellulose/reduced graphene oxide/NiCo-layered double hydroxide composite film for self-standing supercapacitor electrode

SAHARMAN GEA , MARPONGAHTUN , DIANA ALEMIN BARUS , ANDRIAYANI , A. MUHAMMAD AFDHAL SAPUTRA , MUHAMMAD IBADURRAHMAN , Ronn Goei , Alfred Ling Yoong Tok

Facile synthesis and electrochemical performance of bacterial cellulose/reduced graphene oxide/NiCo-layered double hydroxide composite film for self-standing supercapacitor electrode

MARPONGAHTUN , SAHARMAN GEA , DIANA ALEMIN BARUS , ANDRIAYANI , A. MUHAMMAD AFDHAL SAPUTRA , MUHAMMAD IBADURRAHMAN , Ronn Goei , Alfred Ling Yoong Tok

Synthesis and characterization of BC-ZnO and antibacterial activity test

MARPONGAHTUN , TAMRIN , Athanasia Amanda Septevani , Hermawan Purba

Pioneering bio-oil extraction: The role of transition metal oxide zeolite catalysts in co-pyrolyzing palm fronds and high-density polyethylene

SAHARMAN GEA , MARPONGAHTUN , ANDRIAYANI , DIANA ALEMIN BARUS , MUHAMMAD IRVAN HASIBUAN , ALWI KHAIRUNSYAH PINEM , A. MUHAMMAD AFDHAL SAPUTRA , FARAH ARFANI DAULAY , SHIPLU SARKER

Pioneering bio-oil extraction: The role of transition metal oxide zeolite catalysts in co-pyrolyzing palm fronds and high-density polyethylene

ANDRIAYANI , SAHARMAN GEA , MARPONGAHTUN , DIANA ALEMIN BARUS , MINTO SUPENO , MUHAMMAD IRVAN HASIBUAN , ALWI KHAIRUNSYAH PINEM , FARAH ARFANI DAULAY , A. MUHAMMAD AFDHAL SAPUTRA , SHIPLU SARKER

Synthesis, properties, and utilization of carbon quantum dots as photocatalysts on degradation of organic dyes: A mini review

ANDRIAYANI , AVERROES FAZLUR RAHMAN PILIANG , A. MUHAMMAD AFDHAL SAPUTRA , DELLYANSYAH , Ronn Goei , RISKY RAMADHAN HTS , SAHARMAN GEA , MARPONGAHTUN

Oleamide as palm-oil based substance for silica-loaded styrene butadiene rubber compound: The cure and crosslinks behaviors

MARPONGAHTUN , INDRA SURYA

Bacterial cellulose-based paper production coated with poly-ethylene oxide/poly-vinyl alcohol

SAHARMAN GEA , DARWIN YUNUS NASUTION , MARPONGAHTUN , Khatarina Meldawati Pasaribu

Highly fluorescent nitrogen-doped carbon dots derived from jengkol peels (Archindendron pauciflorum) by solvothermal synthesis for sensitive Hg2+ ions detection

MARPONGAHTUN , ANIZA SALVIANA PRAYUGO , Ronn Goei , MAHYUNI HARAHAP , SAHARMAN GEA

Improving mechanical properties of bacterial cellulose with supplemented Curcuma Longa Linn extract for wound healing

MARPONGAHTUN , WARDATUL HUSNA IRHAM , SAJARATUD DUR

Improving mechanical properties of bacterial cellulose with supplemented Curcuma Longa Linn extract for wound healing

WARDATUL HUSNA IRHAM , MARPONGAHTUN

IMPROVING CARBON DOTS OPTICAL PROPERTIES OF MOLASSES USING EDTA AS A PASSIVATION AGENT WITH THE MICROWAVE METHOD

IRAWATI PUTRI H. SIREGAR , MARPONGAHTUN

Highly fluorescent nitrogen-doped carbon dots derived from jengkol peels (Archindendron pauciflorum) by solvothermal synthesis for sensitive Hg2+ ions detection

MARPONGAHTUN , SAHARMAN GEA , ANIZA SALVIANA PRAYUGO , AMRU DAULAY , Mahyuni Harahap , Ronn Goei , Alfred Ling Yoong Tok

The properties of hardness and swelling of styrene butadiene rubber/silica/oleamide composites

MARPONGAHTUN , INDRA SURYA

Oleamide as an Environment-friendly Additive for Styrene Butadiene Rubber/Silica Compound: The Strength and Elasticity Behaviours

MARPONGAHTUN , INDRA SURYA

Rice husk is renewable source in synthesis nanosilicon and its application as potential anode lithium-ion batteries

MARPONGAHTUN , ANDRIAYANI , SAHARMAN GEA

Charaterization of Nanocellulose from Liquid Wasted of Tofu by Acetobacter xylinum

MARPONGAHTUN , ANDRIAYANI

Charaterization of nanocellulose from liquid wasted of tofu by Acetobacter xylinum

MARPONGAHTUN , ANDRIAYANI , HERMAWAN PURBA

Charaterization of nanocellulose from liquid wasted of tofu by Acetobacter xylinum

HERMAWAN PURBA , ANDRIAYANI , MARPONGAHTUN

Application mesoporous silica with methyl ester ricinoleate castor oil (Ricinus communis) as template in absorbent of Cd ions

SAHARMAN GEA , ANDRIAYANI , MARPONGAHTUN

IMPROVING CARBON DOTS OPTICAL PROPERTIES OF MOLASSES USING EDTA AS A PASSIVATION AGENT WITH THE MICROWAVE METHOD

MARPONGAHTUN , WARDATUL HUSNA IRHAM , SRI WAHYUNA SARAGIH , IRAWATI PUTRI H. SIREGAR

Distribution of Silver (Ag) and Silver Nanoparticles (AgNPs) in Aquatic Environment

MARPONGAHTUN

Stability of Mesoporous Silica Using Ricinoleic Methyl Ester as a Template with the Addition of HCl and Application of Cd2+ Adsorption Optimized by Box–Behnken design

MARPONGAHTUN , ANDRIAYANI

The role of biocatalysts in the synthesis of graphene nanosheets from sub-bituminous coal

Isnaeni , MARPONGAHTUN , Ir. VIVI PURWANDARI, M.Si , MAHYUNI HARAHAP , MARTHA RIANNA

Promoting Electrospun Lignin/PEO Nanofiber for High-Performance CO Filtration

SAHARMAN GEA , MARPONGAHTUN

Synthesis of fluorescent citric acid carbon dots composites derived from empty fruit bunches of palm oil tree and its anti-bacterial property

MARPONGAHTUN , SAHARMAN GEA , MAHYUNI HARAHAP

Synthesis and application of silicon nanoparticles prepared from rice husk for lithium-ion batteries

ANDRIAYANI , MARPONGAHTUN , SAHARMAN GEA

Synthesis Si nanoparticles from rice husk as material active electrode on secondary cell battery with X-Ray diffraction analysis

SAHARMAN GEA , MARPONGAHTUN , ANDRIAYANI

ANALYSIS FABRICATION OF POROUS CERAMICS FROM CLAY AND COPPER POWDER USING PALM OIL POWDER AS A PORE-FORMING AGENT FOR FILTERS IN MOTOR VEHICLE GAS

MARPONGAHTUN , DARWIN YUNUS NASUTION

ANALYSIS FABRICATION OF POROUS CERAMICS FROM CLAY AND COPPER POWDER USING PALM OIL POWDER AS A PORE-FORMING AGENT FOR FILTERS IN MOTOR VEHICLE GAS

DARWIN YUNUS NASUTION , MARPONGAHTUN , Ir. VIVI PURWANDARI, M.Si

Scalable synthesis of porous silicon nanoparticles from rice husk with the addition of KBr as a scavenger agent during reduction by the magnesiothermic method as anode lithium-ion batteries with sodium alginate as the binder

MARPONGAHTUN , ANDRIAYANI , TAMRIN , SAHARMAN GEA

Coconut oil effect on the hygroscopic properties of Simalambuo wood (Lophopetalum spp.)

APRI HERI ISWANTO , MARPONGAHTUN , SAHARMAN GEA

METHANOL MASS VARIATION OF MESOPOROUS SILICA SYNTHESIS USING RICINOLEIC METHYL ESTER AS A TEMPLATE

MARPONGAHTUN , ANDRIAYANI , AMRU DAULAY

METHANOL MASS VARIATION OF MESOPOROUS SILICA SYNTHESIS USING RICINOLEIC METHYL ESTER AS A TEMPLATE

MARPONGAHTUN , YUGIA MUIS , ANDRIAYANI

Effect of Particle Size From Oil PalmWood Powder as Pore Forming Agent on Porosity and Hardness of Porous Ceramics Based on Clay and Polyvinyl Alcohol

MARPONGAHTUN , DARWIN YUNUS NASUTION , TAUFIK HIDAYAT

Synthesis and Characterization of Superabsorbent Polymer based on Carboxymethyl Cellulose, Breadfruit Starch and Aluminum Sulfate

MARPONGAHTUN , DARWIN YUNUS NASUTION , DEDE IBRAHIM MUTHAWALI

A Review on Emerging Pollutants in the Water Environment: Existences, Health Effects and Treatment Processes. Water, 13, 3258

MARPONGAHTUN

A Review on Emerging Pollutants in the Water Environment: Existences, Health Effects and Treatment Processes

MARPONGAHTUN

A review on emerging pollutants in the water environment: Existences, health effects and treatment processes

MARPONGAHTUN

EXTRACTION SILICA FROM RICE HUSK WITH NaOH LEACHING AGENT WITH TEMPERATURE VARIATION BURNING RICE HUSK

MARPONGAHTUN , ANDRIAYANI , SAHARMAN GEA

INFLUENCE OF ACETYLATED CELLULOSE NANOCRYSTAL INCORPORATED INTO POLY(E-CAPROLACTONE) NANOCOMPOSITES ON ITS THERMAL, MECHANICAL, AND PHYSICOCHEMICAL PROPERTIES

MARPONGAHTUN

Effect of variation temperature at burning rice husk to obtain silica

MARPONGAHTUN

Morphology of Bacterial Cellulose-Curcuma longa Linn from Acetobacter xylinum for Wound Healing

MARPONGAHTUN , TAMRIN , LAMEK MARPAUNG

Antibacterial analysis and thermal properties of polycaprolactone/chitosan/TiO2 porous composite

SYAHMAN ZHAFIRI , JIHAN AULIA ERKIN , Ir. VIVI PURWANDARI, M.Si , MARPONGAHTUN

PREPARATION AND CHARACTERIZATION OF BACTERIAL CELLULOSE SUPPLEMENTED Centella Asiatica L. Urban EXTRACT TO IMPROVE MECHANICAL PROPERTIES

MARPONGAHTUN , TAMRIN , LAMEK MARPAUNG

Characterization of bacterial cellulose from coconut water supplemented Curcuma Longa Linn and Ziziphus Mauritiana extract

MARPONGAHTUN , LAMEK MARPAUNG , TAMRIN , WARDATUL HUSNA IRHAM

Phytochemicals screening and antibacterial activity of Curcuma longa Linn, Ziziphus mauritiana and Centella asiatica L. Urban extract.

MARPONGAHTUN , TAMRIN , LAMEK MARPAUNG , WARDATUL HUSNA IRHAM

Characterization of bacterial cellulose from coconut water supplemented Curcuma Longa Linn and Ziziphus Mauritiana extract

MARPONGAHTUN

PHYTOCHEMICALS SCREENING AND ANTIBACTERIAL ACTIVITY OF Curcuma Longa Linn, Ziziphus Mauritiana AND Centella Asiatica L.Urban EXTRACT

MARPONGAHTUN

The Synthesis of Superabsorbent Polymer from Carboxymethyl Selulose, Aluminum Sulfate and Oxidized Bread Fruit Starch

DARWIN YUNUS NASUTION , MARPONGAHTUN

Green Synthesis of Silver Nanoparticles Using Muntingia calabura Leaf Extract and Evaluation of Antibacterial Activities

MARPONGAHTUN

PHYTOCHEMICAL SCREENING AND TOXICITY OF ETHANOLIC EXTRACT OF MANGROVE (Rhizophora mucronata) LEAVES FROM LANGSA, ACEH TIMUR

GIMELLIYA SARAGIH , ABDILLAH , TAMRIN , MARPONGAHTUN , DARWIN YUNUS NASUTION

Phytochemical screening and toxicity of ethanolic extract of mangrove (Rhizophora mucronata) leaves from Langsa, Aceh Timur

MARPONGAHTUN

Phytochemical screening and toxicity of ethanolic extract of mangrove (Rhizophora mucronata) leaves from Langsa, Aceh Timur

MARPONGAHTUN , DARWIN YUNUS NASUTION , TAMRIN

Fabrication of Composite Nanofibre PEO/Lignin for Exhaust Gas Emissions by Electrospinning

MARPONGAHTUN , SAHARMAN GEA

Fluorescent Property of Carbon Nanodots Synthesized by Microwave Method from Crystal Nanocellulose as Precursor

MARPONGAHTUN , SAHARMAN GEA

Marpongahtun. bioactive compounds in pegagan leaf (Centella asiatica L. Urban) for wound healing

MARPONGAHTUN , TAMRIN , LAMEK MARPAUNG , WARDATUL HUSNA IRHAM

Bioactive Compounds in Pegagan Leaf (Centella asiatica L. Urban) for Wound Healing

MARPONGAHTUN , TAMRIN , LAMEK MARPAUNG

Effect of epoxidised natural rubbers on curing characteristics of kaolin-filled natural rubber composites

MARPONGAHTUN , LILIS SUKEKSI , INDRA SURYA

Improvements in the degree of filler dispersion and tensile properties of N550 and N220 carbon blacks-filled natural rubber composites using alkanolamide

INDRA SURYA , MARPONGAHTUN

Bioactive Compounds In Pegagan Leaf (Centella asiatica L. Urban) for Wound Healing

MARPONGAHTUN

The preparation and characterization of bentonite nanoparticle from Bener Meriah, Indonesia

SAHARMAN GEA , MARPONGAHTUN

Acetylation of breadfruit utarch by Using Acetic Anhydride

MARPONGAHTUN

The influence of hydrolisis time on the crystallinity degree of cellulose and Î±â€“cellulose of oil palm wood (Elais guinensis Jack)

MARPONGAHTUN , DARWIN YUNUS NASUTION , YULY PUJIARTI , NAMI PANINDIA

Preparation of Semi-IPN Hidrogel from Starch Nanoparticles of Magrove Fruit and Monomer Acrylic Acid Using Crosslinker N, N’Methylene Bisacrylamide

MARPONGAHTUN , TAMRIN , DARWIN YUNUS NASUTION , ABDILLAH , GIMELLIYA SARAGIH

Abdillah, 2018. Preparation of Semi-IPN Hidrogel from Starch Nanoparticles of Magrove Fruit and Monomer Acrylic Acid Using Crosslinker N, N’Methylene Bisacrylamide

MARPONGAHTUN , TAMRIN , DARWIN YUNUS NASUTION , ABDILLAH , GIMELLIYA SARAGIH

Preparation of semi-IPN hydrogel from starch nanoparticles of magrove fruit and monomer acrylic acid using crosslinker N,Nâ€™ methylene bisacrylamide

MARPONGAHTUN

The analysis of thermal and mechanical properties of biocomposite policaprolactone/ cellulose nanofiber from oil palm empty fruit bunches

SAHARMAN GEA , MARPONGAHTUN

Preparation of Semi-IPN Hidrogel from Starch Nanoparticles of Magrove Fruit and Monomer Acrylic Acid Using Crosslinker N, N’Methylene Bisacrylamide

MARPONGAHTUN

The preparation and characterization of bentonite nanoparticle from Bener Meriah, Indonesia

MARPONGAHTUN

Characterization of composite boards made of oil palm trunk flour/maleic anhydride grafted polypropylene

MARPONGAHTUN

Determination of para-arsanilic acid with improved diazotization reaction using differential pulse cathodic stripping voltammetry in aqueous system

MARPONGAHTUN

Physical-Mechanical Properties And Microstructure Of Breadfruit Starch Edible Films With Various Plasticizer

MARPONGAHTUN

The use of prompt gamma activation analysis in sediment samples from a polluted marine environment

MARPONGAHTUN