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Volume 2342, Issue 1

22 April 2021

All Issues

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In this Issue

PRELIMINARY
ANALYTICAL CHEMISTRY / INSTRUMENT ANALYSIS
ORGANIC CHEMISTRY
INORGANIC CHEMISTRY
ELECTROCHEMICAL SCIENCE
MATERIAL SCIENCE AND NANOTECHNOLOGY
ENVIRONMENTAL CHEMISTRY / GREEN CHEMISTRY
NATURAL PRODUCT CHEMISTRY / BIOCHEMISTRY
CHEMICAL SYNTHETIC / POLYMER CHEMISTRY
FOOD AND AGROCHEMICAL SCIENCES
APPLIED CHEMISTRY
HEALTH AND BIOMEDICAL SCIENCE

PRELIMINARY

Preface: International Conference on chemical science and technology (ICCST-2020)

AIP Conf. Proc. 2342, 010001 (2021) https://doi.org/10.1063/12.0003847

View articletitled, Preface: International Conference on chemical science and technology (ICCST-2020)

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The International Conference on chemical science and technology (ICCST – 2020)

AIP Conf. Proc. 2342, 010002 (2021) https://doi.org/10.1063/12.0003848

View articletitled, The International Conference on chemical science and technology (ICCST – 2020)

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ANALYTICAL CHEMISTRY / INSTRUMENT ANALYSIS

Development and validation of area under curve spectrophotometry method for ternary mixture of dextromethorphan HBr, doxylamine succinate and pseudoephedrine HCl in tablet dosage form

Rida Evalina Tarigan; Muchlisyam; Siti Morin Sinaga; Zul Alfian

AIP Conf. Proc. 2342, 020001 (2021) https://doi.org/10.1063/5.0045551

Abstract

View articletitled, Development and validation of area under curve spectrophotometry method for ternary mixture of dextromethorphan HBr, doxylamine succinate and pseudoephedrine HCl in tablet dosage form

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Decreased stress levels and nicotine concentrations in the urine of active smokers after consuming antioxidants

Afniwati; Muhammad Taufik; Endang Susilawati; Mariany Razali; Fadillah Pratiwi; Rifina Ramadhani Savitri

AIP Conf. Proc. 2342, 020002 (2021) https://doi.org/10.1063/5.0047448

Abstract

View articletitled, Decreased stress levels and nicotine concentrations in the urine of active smokers after consuming antioxidants

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The relationship between vitamin C consumption and the stress level of active smokers in Medan city

Endang Susilawati; Muhammad Taufik; Afniwati; Rifina Ramadhani Savitri

AIP Conf. Proc. 2342, 020003 (2021) https://doi.org/10.1063/5.0047449

Abstract

View articletitled, The relationship between vitamin C consumption and the stress level of active smokers in Medan city

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Separation of lard in adulterated multivitamins using chromatography and maceration methods

Muhammad Taufik; Desi Ardilla; Boby Cahyady; Anni Sartika Daulay; Rid Wanto; Latifah Hanum; Erna Rahmawati; Zul Alfian; Mariany Razali

AIP Conf. Proc. 2342, 020004 (2021) https://doi.org/10.1063/5.0046402

Abstract

View articletitled, Separation of lard in adulterated multivitamins using chromatography and maceration methods

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Analysis of lard in soybean oil adulterated in order to increase halal food

Desi Ardilla; Muhammad Taufik; Dafni Mawar Tarigan; Muhammad Thamrin; Rika Astuti Pulungan; Latifah Hanum; Erna Rahmawati; Mariany Razali

AIP Conf. Proc. 2342, 020005 (2021) https://doi.org/10.1063/5.0046475

Abstract

View articletitled, Analysis of lard in soybean oil adulterated in order to increase halal food

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Exploration of maceration methods for extracting of lard from industrial food products

Muhammad Taufik; Desi Ardilla; Anni Sartika Daulay; Rid Wanto; Latifah Hanum; Erna Rahmawati; Zul Alfian; Boby Cahyady; Mariany Razali

AIP Conf. Proc. 2342, 020006 (2021) https://doi.org/10.1063/5.0046170

Abstract

View articletitled, Exploration of maceration methods for extracting of lard from industrial food products

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Nicotine separation from the urine of active smokers using Moringa oleifera on column chromatography

Muhammad Taufik; Boby Cahyady; Desi Ardilla; Zul Alfian; Rid Wanto; Anni Sartika Daulay; Rifina Ramadhani Savitri; Fadillah Pratiwi; Endang Susilawati; Afniwati

AIP Conf. Proc. 2342, 020007 (2021) https://doi.org/10.1063/5.0046405

Abstract

View articletitled, Nicotine separation from the urine of active smokers using Moringa oleifera on column chromatography

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Distribution and risk assessment of natural radioactive elements in volcanic ashes, cold lava, river waters due to volcanic eruption of Mount Sinabung

Saur Lumban Raja; Harlem Marpaung; Saudin Simanjuntak; Crystina Simanjuntak; Eko Pudjadi

AIP Conf. Proc. 2342, 020008 (2021) https://doi.org/10.1063/5.0046391

Abstract

View articletitled, Distribution and risk assessment of natural radioactive elements in volcanic ashes, cold lava, river waters due to volcanic eruption of Mount Sinabung

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Synthesis and characterization of nanocomposite chitosan from Horseshoe Crab to improve antibacterial properties

Harry Agusnar; Emma Zaidar; Sovia Lenny

AIP Conf. Proc. 2342, 020009 (2021) https://doi.org/10.1063/5.0046157

Abstract

View articletitled, Synthesis and characterization of nanocomposite chitosan from Horseshoe Crab to improve antibacterial properties

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ORGANIC CHEMISTRY

Preliminary activity test of pirdot (Saurauia Vulcani, Korth) leaves collected from Aek Nauli forest, North Sumatera (Indonesia)

Eka Kartika Silalahi; Tamrin; Lamek Marpaung; Rikson Siburian

AIP Conf. Proc. 2342, 030001 (2021) https://doi.org/10.1063/5.0045490

Abstract

View articletitled, Preliminary activity test of pirdot (Saurauia Vulcani, Korth) leaves collected from Aek Nauli forest, North Sumatera (Indonesia)

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Antioxidant activity (E)-1-(3-bromophenyl)-3-(4-isopropylphenyl) prop-2-en-1-on

Eti Meirina Brahmana; Jamaran Kaban; Ginda Haro; Mimpin Ginting

AIP Conf. Proc. 2342, 030002 (2021) https://doi.org/10.1063/5.0045486

Abstract

View articletitled, Antioxidant activity (E)-1-(3-bromophenyl)-3-(4-isopropylphenyl) prop-2-en-1-on

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Synthesis of cellulose nanocrystals (CNCS) from oil palm empty fruit bunch by hydrothermal with pre-treatment sonication

Zulnazri Zulnazri; Muhammad Daud; Novi Sylvia

AIP Conf. Proc. 2342, 030003 (2021) https://doi.org/10.1063/5.0046000

Abstract

View articletitled, Synthesis of cellulose nanocrystals (CNCS) from oil palm empty fruit bunch by hydrothermal with pre-treatment sonication

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A new of colorimetric sensor based on azo-hydrazone compound for recognition of CN⁻ ion

S. Suharman; Rini Hardiyanti; Susilawati; Siti Utari Rahayu

AIP Conf. Proc. 2342, 030004 (2021) https://doi.org/10.1063/5.0045550

Abstract

View articletitled, A new of colorimetric sensor based on azo-hydrazone compound for recognition of CN− ion

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Preparation and characterization edible film from native breadfruit (Artocarpus altilis) starch and breadfruit starch phosphates

Cut Fatimah Zuhra; Varatya Fitri Amanda

AIP Conf. Proc. 2342, 030005 (2021) https://doi.org/10.1063/5.0045559

Abstract

View articletitled, Preparation and characterization edible film from native breadfruit (Artocarpus altilis) starch and breadfruit starch phosphates

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The synthesis of carboxymethyl polysaccharide from Arenga pinnata Merr. endosperm and sodium chloroacetate with microwave irradiation

Juliati Br. Tarigan; Andy Chandra; Adinda Faridah Situmorang

AIP Conf. Proc. 2342, 030006 (2021) https://doi.org/10.1063/5.0045339

Abstract

View articletitled, The synthesis of carboxymethyl polysaccharide from Arenga pinnata Merr. endosperm and sodium chloroacetate with microwave irradiation

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Isolation and cytotoxic activity of terpenoid compounds from n-hexane extract of cacao pod husk (Theobroma cacao L.)

Agnia Purnama; Mustanir; Binawati Ginting

AIP Conf. Proc. 2342, 030007 (2021) https://doi.org/10.1063/5.0045681

Abstract

View articletitled, Isolation and cytotoxic activity of terpenoid compounds from n-hexane extract of cacao pod husk (Theobroma cacao L.)

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INORGANIC CHEMISTRY

Effect of variation temperature at burning rice husk to obtain silica

Amru Daulay; Andriayani; Marpongahtun; Saharman Gea

AIP Conf. Proc. 2342, 040001 (2021) https://doi.org/10.1063/5.0046151

Abstract

View articletitled, Effect of variation temperature at burning rice husk to obtain silica

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Chemical reduction of silica into silicon from extracted quartz sand using sodium hydroxide and hydrochloric acid solutions

Andriayani; Yugia Muis; Darwin Yunus Nasution

AIP Conf. Proc. 2342, 040002 (2021) https://doi.org/10.1063/5.0046150

Abstract

View articletitled, Chemical reduction of silica into silicon from extracted quartz sand using sodium hydroxide and hydrochloric acid solutions

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ELECTROCHEMICAL SCIENCE

Correlation between voltage, dissolved oxygen, and power density of yeast microbial fuel cell in different environmental waters as catholyte

Marcelinus Christwardana; Linda Aliffia Yoshi; Indraprasta Setyonadi; Mohammad Rizqi Maulana

AIP Conf. Proc. 2342, 050001 (2021) https://doi.org/10.1063/5.0045395

Abstract

View articletitled, Correlation between voltage, dissolved oxygen, and power density of yeast microbial fuel cell in different environmental waters as catholyte

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MATERIAL SCIENCE AND NANOTECHNOLOGY

The effect of artificial age time on crystal size, dislocation density, hardness and micro structure on Al 6061 materials alloy

Budiarto; Susilo; Ulung Sanjaya

AIP Conf. Proc. 2342, 060001 (2021) https://doi.org/10.1063/5.0045373

Abstract

View articletitled, The effect of artificial age time on crystal size, dislocation density, hardness and micro structure on Al 6061 materials alloy

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Morphology of bacterial cellulose-Curcuma longa Linn from acetobacter xylinum for wound healing

Wardatul Husna Irham; Tamrin; Lamek Marpaung; Marpongahtun

AIP Conf. Proc. 2342, 060002 (2021) https://doi.org/10.1063/5.0045493

Abstract

View articletitled, Morphology of bacterial cellulose-Curcuma longa Linn from acetobacter xylinum for wound healing

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The manufacture nanofiber from sugarcane bagasse lignin with polyvinyl alcohol by electrospinning method

Amir Hamzah Siregar; Saharman Gea; Legiati Marsaulina Sitorus

AIP Conf. Proc. 2342, 060003 (2021) https://doi.org/10.1063/5.0045357

Abstract

View articletitled, The manufacture nanofiber from sugarcane bagasse lignin with polyvinyl alcohol by electrospinning method

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Preparation film gelatin PVA/gelatin and characterization mechanical properties

Rizki Damayanti; Tamrin; Zul Alfian; Eddyanto

AIP Conf. Proc. 2342, 060004 (2021) https://doi.org/10.1063/5.0045502

Abstract

View articletitled, Preparation film gelatin PVA/gelatin and characterization mechanical properties

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Load characteristics of cold water pipe based on fibreglass-filled HDPE composites

M. Dalil; Basuki Wirjosentono; Jaswar Koto; Armansyah Ginting

AIP Conf. Proc. 2342, 060005 (2021) https://doi.org/10.1063/5.0046393

Abstract

View articletitled, Load characteristics of cold water pipe based on fibreglass-filled HDPE composites

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Electrodeposition and photoelectrochemical response of Zn-doped Cu₂O

Setia Budi; Devi Indrawati; Mutiah Arum; Yusmaniar

AIP Conf. Proc. 2342, 060006 (2021) https://doi.org/10.1063/5.0045470

Abstract

View articletitled, Electrodeposition and photoelectrochemical response of Zn-doped Cu2O

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Preparation and characterization of activated carbon/hematite composite as efficient photocatalyst for naphthol blue black dye degradation

Yulia Ermanda; Surya Lubis; Muliadi Ramli

AIP Conf. Proc. 2342, 060007 (2021) https://doi.org/10.1063/5.0045372

Abstract

View articletitled, Preparation and characterization of activated carbon/hematite composite as efficient photocatalyst for naphthol blue black dye degradation

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Effect of alkali treatment on processing of pineapple leaf fibers

Warlinda Eka Triastuti

AIP Conf. Proc. 2342, 060008 (2021) https://doi.org/10.1063/5.0045348

Abstract

View articletitled, Effect of alkali treatment on processing of pineapple leaf fibers

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ENVIRONMENTAL CHEMISTRY / GREEN CHEMISTRY

Estimation of litter carbon stocks in rubber agroforestry in Simalungun District, Indonesia

Muhdi; Diana Sofia Hanafiah; Syafitriani Silalahi; Asmarlaili Sahar

AIP Conf. Proc. 2342, 070001 (2021) https://doi.org/10.1063/5.0045330

Abstract

View articletitled, Estimation of litter carbon stocks in rubber agroforestry in Simalungun District, Indonesia

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Role of bacterial symbionts of larvae Oryctes rhinoceros L. and microbial decomposer on composting of empty bunch of oil palm in big hole planting system

Henry Budi Hasibuan; Marheni; Abdul Rauf

AIP Conf. Proc. 2342, 070002 (2021) https://doi.org/10.1063/5.0046531

Abstract

View articletitled, Role of bacterial symbionts of larvae Oryctes rhinoceros L. and microbial decomposer on composting of empty bunch of oil palm in big hole planting system

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Manufacture of stove body using press machine system

Melya Dyanasari Sebayang

AIP Conf. Proc. 2342, 070003 (2021) https://doi.org/10.1063/5.0045715

Abstract

View articletitled, Manufacture of stove body using press machine system

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Analysis of the use of biogas fuel from palm oil waste as a gas engine (electrical generator)

Rahmad Samosir; Budiarto; Andreas Kristiawan

AIP Conf. Proc. 2342, 070004 (2021) https://doi.org/10.1063/5.0045876

Abstract

View articletitled, Analysis of the use of biogas fuel from palm oil waste as a gas engine (electrical generator)

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Calcium carbonate from chicken eggshells as adsorbents

Helmina Br. Sembiring; Nurhaida Pasaribu; Josua Sitepu

AIP Conf. Proc. 2342, 070005 (2021) https://doi.org/10.1063/5.0046388

Abstract

View articletitled, Calcium carbonate from chicken eggshells as adsorbents

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Lithium purification from spent li-ion batteries leachate using ion exchange resin

Rani Pramudyo Ningtyas; Sang Kompiang Wirawan; Chandra Wahyu Purnomo

AIP Conf. Proc. 2342, 070006 (2021) https://doi.org/10.1063/5.0045707

Abstract

View articletitled, Lithium purification from spent li-ion batteries leachate using ion exchange resin

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NATURAL PRODUCT CHEMISTRY / BIOCHEMISTRY

Polyisoprenoids profile in kopasanda (Chromolaena odorata) leaves senescence

Mohammad Basyuni; Vida Yulia; Sumardi

AIP Conf. Proc. 2342, 080001 (2021) https://doi.org/10.1063/5.0045331

Abstract

View articletitled, Polyisoprenoids profile in kopasanda (Chromolaena odorata) leaves senescence

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Cycloartenol synthase in the amino acid residues and its contribution to phytosterol composition

Mohammad Basyuni; Rahmah Hayati; Shigeyuki Baba; Hirosuke Oku

AIP Conf. Proc. 2342, 080002 (2021) https://doi.org/10.1063/5.0045332

Abstract

View articletitled, Cycloartenol synthase in the amino acid residues and its contribution to phytosterol composition

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Polyisoprenoids composition in mulberry (Morus alba L.)

Mohammad Basyuni; Lilis Sukeksi; Masitta Tanjung; Jumirah; Netti Herlina; Apri Heri Iswanto; Arida Susilowati; Bejo Slamet; Nurdin Sulistiyono; Iwan Risnasari; Ridwanti Batubara; Iriany

AIP Conf. Proc. 2342, 080003 (2021) https://doi.org/10.1063/5.0045333

Abstract

View articletitled, Polyisoprenoids composition in mulberry (Morus alba L.)

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Chemical content analysis of agarwood (Aquilaria malaccensis Lamk) twigs

Ridwanti Batubara; Basuki Wirjosentono; Amir Hamzah Siregar; Tamrin; Urip Harahap

AIP Conf. Proc. 2342, 080004 (2021) https://doi.org/10.1063/5.0046395

Abstract

View articletitled, Chemical content analysis of agarwood (Aquilaria malaccensis Lamk) twigs

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Isolation of phenolic compounds from Eucalyptus citriodora leaves

Sovia Lenny; Helmina Br. Sembiring; M. Zulham Efendi Sinaga

AIP Conf. Proc. 2342, 080005 (2021) https://doi.org/10.1063/5.0045718

Abstract

View articletitled, Isolation of phenolic compounds from Eucalyptus citriodora leaves

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Phytochemical and toxicity test with the BSLT method on Kemuning Raya leaf extract (Muraya paniculata L.)

Azri Rahmadi; Emma Zaidar; Hariyati; Rini Hardiyanti; M. Zulham Efendi Sinaga

AIP Conf. Proc. 2342, 080006 (2021) https://doi.org/10.1063/5.0046149

Abstract

View articletitled, Phytochemical and toxicity test with the BSLT method on Kemuning Raya leaf extract (Muraya paniculata L.)

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Physicochemical characteristics of modified starch granules from Durio zibethinus Murr. var. Bintana

Rini Hardiyanti; S. Suharman; M. Zulham Efendi Sinaga; I. Putu Mahendra; Adrian Hartanto

AIP Conf. Proc. 2342, 080007 (2021) https://doi.org/10.1063/5.0045547

Abstract

View articletitled, Physicochemical characteristics of modified starch granules from Durio zibethinus Murr. var. Bintana

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Preparation and phytochemical characterisation of antioxidant active ethanol extract of agarwood (Aquilaria malaccensis Lamk) leaf (EEAL) using liquid chromatography-mass spectroscopy (LC-MS)

Basuki Wirjosentono; Ridwanti Batubara; Tamrin; Urip Harahap; Diana Adnanda Nasution

AIP Conf. Proc. 2342, 080008 (2021) https://doi.org/10.1063/5.0046396

Abstract

View articletitled, Preparation and phytochemical characterisation of antioxidant active ethanol extract of agarwood (Aquilaria malaccensis Lamk) leaf (EEAL) using liquid chromatography-mass spectroscopy (LC-MS)

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Preparation of facial wash enriched with collagen from mullet scale waste in belawan port

M. Zulham Efendi Sinaga; Wilza Fithri Azzahra; Nailan Najaa Ritonga; Lenni Sari; Asri Alfiyah Ningsih Nasution

AIP Conf. Proc. 2342, 080009 (2021) https://doi.org/10.1063/5.0045717

Abstract

View articletitled, Preparation of facial wash enriched with collagen from mullet scale waste in belawan port

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Antioxidant activity, total phenolic and total flavonoid content of hydroalcoholic extract of Artocarpus lacucha Buch-Ham. Leaves

Nazliniwaty; Olivia Avriyanti Hanafiah; Dewi Pertiwi; Denny Satria; Mahatir Muhammad

AIP Conf. Proc. 2342, 080010 (2021) https://doi.org/10.1063/5.0045440

Abstract

View articletitled, Antioxidant activity, total phenolic and total flavonoid content of hydroalcoholic extract of Artocarpus lacucha Buch-Ham. Leaves

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Antioxidant and antibacterial activities of ethanol extract of Vernonia amygdalina Delile. Leaves

Urip Harahap; Aminah Dalimunthe; Triana Hertiani; Mahatir Muhammad; Nasri; Denny Satria

AIP Conf. Proc. 2342, 080011 (2021) https://doi.org/10.1063/5.0045447

Abstract

View articletitled, Antioxidant and antibacterial activities of ethanol extract of Vernonia amygdalina Delile. Leaves

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Comparative studies on physicochemical properties of B-type and C-type starches from potato starch

Rini Hardiyanti; S. Suharman; M. Zulham Efendi Sinaga; I. Putu Mahendra; Adrian Hartanto

AIP Conf. Proc. 2342, 080012 (2021) https://doi.org/10.1063/5.0045549

Abstract

View articletitled, Comparative studies on physicochemical properties of B-type and C-type starches from potato starch

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Antioxidant activity and toxicity of melur (Gardenia jasminoides Ellis) leaves as potential anti-cancer agent

Mastura; Vivi Mardina; Sofiyan; Rafikah

AIP Conf. Proc. 2342, 080013 (2021) https://doi.org/10.1063/5.0046717

Abstract

View articletitled, Antioxidant activity and toxicity of melur (Gardenia jasminoides Ellis) leaves as potential anti-cancer agent

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Counseling on health and cleaning protocols, training and demonstration on preparation of hand sanitizer using betel leaf extract and carboxhymetil cellulose of rice straw as antibacterial and moisturising agents for worshipers and community around Nurul Hasanah mosque in Dusun-XI, Sei Rotan, Percut Sei Tuan, Deli Serdang Regency

Basuki Wirjosentono; Tamrin; Amir Hamzah Siregar; Gustanto; Diana Adnanda Nasution

AIP Conf. Proc. 2342, 080014 (2021) https://doi.org/10.1063/5.0046398

Abstract

View articletitled, Counseling on health and cleaning protocols, training and demonstration on preparation of hand sanitizer using betel leaf extract and carboxhymetil cellulose of rice straw as antibacterial and moisturising agents for worshipers and community around Nurul Hasanah mosque in Dusun-XI, Sei Rotan, Percut Sei Tuan, Deli Serdang Regency

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Preparation and mechanical properties of biodegradable films based on seaweed, chitosan, and collagen

M. Zulham Efendi Sinaga; Yuan Alfinsyah Sihombing; Rini Hardiyanti; Emma Zaidar; Rumondang Bulan; Firman Sebayang; Dian Yesika Pinem

AIP Conf. Proc. 2342, 080015 (2021) https://doi.org/10.1063/5.0045714

Abstract

View articletitled, Preparation and mechanical properties of biodegradable films based on seaweed, chitosan, and collagen

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CHEMICAL SYNTHETIC / POLYMER CHEMISTRY

The effect of temperature and reaction time on lignin content of Imperata Cylindrica

Rahmad Riyadi; Zuhrina Masyithah; Alkesa Hutagalung; Bode Haryanto

AIP Conf. Proc. 2342, 090001 (2021) https://doi.org/10.1063/5.0045368

Abstract

View articletitled, The effect of temperature and reaction time on lignin content of Imperata Cylindrica

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Preparation of palm oil empty fruit bunches nanocellulose-filled polyvinyl alcohol-polyacrylic acid biohydrogel

Basuki Wirjosentono; Zulnazri; Ayu Syufiatun Tarigan; Tanti Naomi; Diana Adnanda Nasution

AIP Conf. Proc. 2342, 090002 (2021) https://doi.org/10.1063/5.0046399

Abstract

View articletitled, Preparation of palm oil empty fruit bunches nanocellulose-filled polyvinyl alcohol-polyacrylic acid biohydrogel

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The effect of sludge from waste paper industry additon as a filler into composite panel based on polypropylene plastic waste and cocofiber

Tengku Rachmi Hidayani; Basuki Wirjosentono; Darwin Yunus; Tamrin; Elda Pelita; Dedy Rahmad; Meutia Mirandaulia; Irfan Rusmar

AIP Conf. Proc. 2342, 090003 (2021) https://doi.org/10.1063/5.0045365

Abstract

View articletitled, The effect of sludge from waste paper industry additon as a filler into composite panel based on polypropylene plastic waste and cocofiber

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Framework design of cold water pipe joint based on fibreglass-filled HDPE composite using friction stir welding technique

Dodi Sofyan Arief; Basuki Wirjosentono; Armansyah Ginting; Jaswar Koto

AIP Conf. Proc. 2342, 090004 (2021) https://doi.org/10.1063/5.0046400

Abstract

View articletitled, Framework design of cold water pipe joint based on fibreglass-filled HDPE composite using friction stir welding technique

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

Marpongahtun; Vivi Purwandari; Syahman Zhafiri; Jihan A.Erkin

AIP Conf. Proc. 2342, 090005 (2021) https://doi.org/10.1063/5.0045481

Abstract

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

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Characterization of cellulose nanopulp Durian’s peel fiber

Rosliana Lubis; Basuki Wirjosentono; Eddyanto; Athanasia Amanda Septevani

AIP Conf. Proc. 2342, 090006 (2021) https://doi.org/10.1063/5.0045720

Abstract

View articletitled, Characterization of cellulose nanopulp Durian’s peel fiber

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Physical, mechanical and morphological characteristics of unsaturated polyester-based polymeric foam composite containing oil palm empty fruit bunches fibre using polyurethane as blowing agent

Syahrul Abda; Bustami Syam; Basuki Wirjosentono

AIP Conf. Proc. 2342, 090007 (2021) https://doi.org/10.1063/5.0046615

Abstract

View articletitled, Physical, mechanical and morphological characteristics of unsaturated polyester-based polymeric foam composite containing oil palm empty fruit bunches fibre using polyurethane as blowing agent

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FOOD AND AGROCHEMICAL SCIENCES

Extraction and purification of bromelain enzyme from queen pineapple

Warlinda Eka Triastuti; Achmad Ferdiansyah Pradana Putra; Lily Pudjiastuti; Suprapto Suprapto; Odina Nadya Sari; Wahyu Tri Amaliah Provito; A. Elyfianti Kholifatur

AIP Conf. Proc. 2342, 100001 (2021) https://doi.org/10.1063/5.0045354

Abstract

View articletitled, Extraction and purification of bromelain enzyme from queen pineapple

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Effect of dose and time application of phosphorus fertilizer on phosphorus availability, growth and production of rice (Oryza sativa l.)

Fadma Juwita Nasution; Hamidah Hanum; Jonatan Ginting

AIP Conf. Proc. 2342, 100002 (2021) https://doi.org/10.1063/5.0045727

Abstract

View articletitled, Effect of dose and time application of phosphorus fertilizer on phosphorus availability, growth and production of rice (Oryza sativa l.)

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The qualitative and quantitative analysis of adulteration in specialty coffee from Tanggamus lampung using UV-visible spectroscopy and chemometrics

Meinilwita Yulia; Diding Suhandy

AIP Conf. Proc. 2342, 100003 (2021) https://doi.org/10.1063/5.0045327

Abstract

View articletitled, The qualitative and quantitative analysis of adulteration in specialty coffee from Tanggamus lampung using UV-visible spectroscopy and chemometrics

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Using UV-Visible spectroscopy coupled with linear discrimination analysis to discriminate between monofloral and multifloral honey from Indonesia

Diding Suhandy; Meinilwita Yulia

AIP Conf. Proc. 2342, 100004 (2021) https://doi.org/10.1063/5.0045325

Abstract

View articletitled, Using UV-Visible spectroscopy coupled with linear discrimination analysis to discriminate between monofloral and multifloral honey from Indonesia

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The potential application of portable spectrometer equipped with integrating sphere and PLS-DA method to authenticate Indonesian specialty coffee

Diding Suhandy; Meinilwita Yulia; Shinichiro Kuroki; Kohei Nakano

AIP Conf. Proc. 2342, 100005 (2021) https://doi.org/10.1063/5.0045326

Abstract

View articletitled, The potential application of portable spectrometer equipped with integrating sphere and PLS-DA method to authenticate Indonesian specialty coffee

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Potential of crude protease from Mengkudu (Morinda citrifolia) fruit on extraction of Virgin Coconut Oil

Andy Candra; Emma Zaidar; Tri Indah Rezeki

AIP Conf. Proc. 2342, 100006 (2021) https://doi.org/10.1063/5.0046146

Abstract

View articletitled, Potential of crude protease from Mengkudu (Morinda citrifolia) fruit on extraction of Virgin Coconut Oil

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Study of vitamin C level of soursop leaves (Annona muricata l.) and galactomannan utilization in kombucha during fermentation

Andy Candra; Bayu Eko Prasetyo; Juliati Br Tarigan

AIP Conf. Proc. 2342, 100007 (2021) https://doi.org/10.1063/5.0045669

Abstract

View articletitled, Study of vitamin C level of soursop leaves (Annona muricata l.) and galactomannan utilization in kombucha during fermentation

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APPLIED CHEMISTRY

Using RBDCNO as substitute for CPKO to produce oleochemical products through the splitting and fractionation process

Pravil Mistryanto Tambunan; Anna Juniar

AIP Conf. Proc. 2342, 110001 (2021) https://doi.org/10.1063/5.0045344

Abstract

View articletitled, Using RBDCNO as substitute for CPKO to produce oleochemical products through the splitting and fractionation process

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HEALTH AND BIOMEDICAL SCIENCE

Effect of watermelon (Citrullus vulgaris) rind juice in muscle endurance in healthy non-athlete volunteers

Raajih Isma'il Al-Faruqi; Muhammad Ichwan

AIP Conf. Proc. 2342, 120001 (2021) https://doi.org/10.1063/5.0045732

Abstract

View articletitled, Effect of watermelon (Citrullus vulgaris) rind juice in muscle endurance in healthy non-athlete volunteers

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The association of GSTT1 polymorphism with total antioxidant status of nasopharyngeal carcinoma patients

F. Farhat; M. I. Sari; J. Chrestella; R. P. Syari

AIP Conf. Proc. 2342, 120002 (2021) https://doi.org/10.1063/5.0045622

Abstract

View articletitled, The association of GSTT1 polymorphism with total antioxidant status of nasopharyngeal carcinoma patients

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The association of GSTT1 polymorphism with immunoglobulin a (IgA) of nasopharyngeal carcinoma patients

F. Farhat; M. I. Sari; J. Chrestella; R. P. Syari

AIP Conf. Proc. 2342, 120003 (2021) https://doi.org/10.1063/5.0045626

Abstract

View articletitled, The association of GSTT1 polymorphism with immunoglobulin a (IgA) of nasopharyngeal carcinoma patients

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The role and function of family caring for family members with chronic disease in medan

Cholina Trisa Siregar; Siti Zahara Nasution; Reni Asmara Ariga; Lufthiani; Dudut Tanjung; Ikhsanuddin Ahmad Harahap

AIP Conf. Proc. 2342, 120004 (2021) https://doi.org/10.1063/5.0045438

Abstract

View articletitled, The role and function of family caring for family members with chronic disease in medan

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Pattern of family care and food consumption of primary school students in medan, Indonesia

Siti Zahara Nasution; Sofi Wulandari Pulungan; Cholina Trisa Siregar; Reni Asmara Ariga; Lufthiani; Muhammad Ridha Haykal Amal

AIP Conf. Proc. 2342, 120005 (2021) https://doi.org/10.1063/5.0045734

Abstract

View articletitled, Pattern of family care and food consumption of primary school students in medan, Indonesia

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Knowledge, attitudes, and efforts of factory workers against the dangers of ISPA at Pt Asia karet medan

Siti Zahara Nasution; Bella Sastia; Cholina Trisa Siregar; Reni Asmara Ariga; Lufthiani; Muhammad Ridha Haykal Amal

AIP Conf. Proc. 2342, 120006 (2021) https://doi.org/10.1063/5.0045737

Abstract

View articletitled, Knowledge, attitudes, and efforts of factory workers against the dangers of ISPA at Pt Asia karet medan

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Comparison of learning methods in improving soft skill nurses in the faculty of nursing, University of north Sumatra

Reni Asmara Ariga; Siti Zahara Nasution; Cholina Trisa Siregar; Sri Budi Astuti; Fajar Amanah Ariga; Selviani Ariga; Nikmah Kemalasari Pane

AIP Conf. Proc. 2342, 120007 (2021) https://doi.org/10.1063/5.0045351

Abstract

View articletitled, Comparison of learning methods in improving soft skill nurses in the faculty of nursing, University of north Sumatra

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Design and analysis of mobile based self care nursing information system in north Sumatra

Reni Asmara Ariga; Asrizal; Rossi Nurhasanah; Siti Zahara Nasution; Cholina Trisa Siregar; Sri Budi Astuti; Fajar Amanah Ariga; Selviani Ariga; Nita Bonita Hasibuan

AIP Conf. Proc. 2342, 120008 (2021) https://doi.org/10.1063/5.0045356

Abstract

View articletitled, Design and analysis of mobile based self care nursing information system in north Sumatra

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