Publications Dr. Amir Hamzah Siregar, M.si | Faculty of Mathematics and Natural Sciences Universitas Sumatera Utara

Dr. Amir Hamzah Siregar, M.Si

Employee ID Number

196106141991031002

National Lecturer Registration Number

0014066402

NUPTK

9946739640130062

Study Program

Laboratorium Kimia Fisika

Program Studi S1 Kimia

Program Studi S2 Kimia

Program Studi S3 Ilmu Kimia

Field Of Knowledge

Positions

Associate Professor

Research Media

Contacts:

E-mail

amirhamzah@usu.ac.ad, siregar_amirhamzah@yahoo.com

Office Address

USU Faculty of Mathematics and Natural Sciences

Curriculum Vitae file_download

Publications

Other Publications

National Publications

International Publications

Making of sound damping from interpenetrating polymer network of polyurethane and EPDM rubber with corncobs powder (Zea mays) as filler material

AMIR HAMZAH SIREGAR

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

AMIR HAMZAH SIREGAR

Chemical content and fiber dimension of agarwood branches (Aquilaria malaccensis Lamk)

AMIR HAMZAH SIREGAR

Mechanical and morphology characteristics of natural rubber-styrene butadiene rubber (NR-SBR) blends in the presence of natural microbentonite

AMIR HAMZAH SIREGAR

Mechanical, thermal and adhesion characteristics of natural rubber/epoxidised natural rubber (NR/ENR 25) blends containing natural microbentonite

AMIR HAMZAH SIREGAR

Chemical Compounds and Antioxidant Potential in Hot Water Extract of Cultivated Agarwood (Aquilaria malaccensis) Lamk Leaves

AMIR HAMZAH SIREGAR

Mechanical and morphology characteristics of natural rubber-styrene butadiene rubber (NR-SBR) blends in the presence of natural microbentonite

AMIR HAMZAH SIREGAR , BASUKI

Chemical content analysis of agarwood (Aquilaria malaccensis Lamk) twigs

AMIR HAMZAH SIREGAR

Preparation of Biodegradable and Low-Cost Lignin-Based PVOH Carbon Fibers Prepared by Electrospinning

AMIR HAMZAH SIREGAR , SAHARMAN GEA

Bioactive compounds of ethanol extract from agarwood leaves (Aquilaria malaccensis) and antimicrobial activity against bacteria and fungi growing on the skin

AMIR HAMZAH SIREGAR

Phytochemical screening and py-gc-ms analysis of agarwood leaves (Aquilaria malaccensis lamk.) cultivated in bahorok, langkat regency, North Sumatra, Indonesia

AMIR HAMZAH SIREGAR

Modification of Natural Rubber (SIR 10) with Maleic Anhydride as Binder for Sand Aggregate

AMIR HAMZAH SIREGAR

Efficiency of maleic anhydride-modified polystyrene/Natural rubber blends as sand aggregate binder

AMIR HAMZAH SIREGAR

Characteristics of maleic anhydride-modified polystyrene and natural rubber blends containing "talang" bamboo powder as sound damping material

AMIR HAMZAH SIREGAR

Characteristics of maleic anhydrida-modified polystyrene containing sand aggregate

AMIR HAMZAH SIREGAR

Preparation and characterisations of maleic anhydridemodified-( asphalt, natural rubber, and polystyrene) blends containing sand aggregate

AMIR HAMZAH SIREGAR

Isolation and characterisation of cellulose nanofibre and lignin from oil palm empty fruit bunches

AMIR HAMZAH SIREGAR

The use of nanofibrils celulose of sugarcane bagasse as precursor in synthesizing carbon nanodots by hydrothermal method

AMIR HAMZAH SIREGAR

Compatibility and Thermal Properties of Maleic Anhydride-grafted-Polystyrene Containing Microcrystal cellulose (Avicel) as Raw Material for Soil Binder

AMIR HAMZAH SIREGAR

Compatibilitation of cyclic natural rubber (resiprene-35) with polypropylene in the presence of oleic acid and benzoyl peroxide

AMIR HAMZAH SIREGAR