Malaysian Journal of Analytical Sciences Vol 23 No 4 2019

 Articles 10 - 21 are selected papers from the "Joint Seminar of UKM-Gifu University, 27 - 31 March 2018 at Gifu University, Japan; organized by Gifu University, Japan. "
Guest Editor: Siti Fairus Mohd Yusoff and Nurul Izzaty Hassan

1.    FACILE ORGANIC-INORGANIC HYBRID SORBENTS FOR EXTRACTION OF POLLUTANTS FROM AQUEOUS SAMPLES – A REVIEW
(Pengerap Hibrid Organik-Tak Organik Mudah bagi Pengekstrakan Pencemar dari Sampel Akueus – Sebuah Ulasan)
Mohd Marsin Sanagi, Nyuk-Ting Ng, Faridah Mohd Marsin, Mohamad Raizul Zinalibdin, Zetty Azalea Sutirman, Aemi Syazwani Abdul Keyon, Wan Aini Wan Ibrahim
| Abstract & References || Full Text: pdf ( 678 K ) || DOI: 10.17576/mjas-2019-2304-01 |

2.    AN OPTICAL SENSOR BASED ON GRAPHENE QUANTUM DOTS FOR HYDROGEN PEROXIDE DETECTION
(Sensor Optik berasaskan Titik Kuantum Grafin untuk Pengesanan Hidrogen Peroksida)
Amiruddin Ashil Mastar, Jaafar Abdullah, Nor Azah Yusof, Yap Wing Fen
| Abstract & References || Full Text: pdf ( 596 K ) || DOI: 10.17576/mjas-2019-2304-02 |

3.    ROLE OF L-GLUTAMINE IN THE IN-VITRO GROWTH OF HCT-8 AND HT-29 CELL LINES
(Peranan L-Glutamin dalam Pertumbuhan Sel HCT-8 dan HT-29 In-Vitro)
Afzan Mat Yusof and Mohammed Abdullah Jainul
| Abstract & References || Full Text: pdf ( 516 K ) || DOI: 10.17576/mjas-2019-2304-03 |

4.    COMPARISON OF EXTRACTION TECHNIQUES FOR THREE Calophyllum SPECIES AND THEIR ANTIOXIDANT ACTIVITY
(Perbandingan Teknik Pengekstrakan untuk Tiga Spesies Calophyllum dan Aktiviti Antioksidan)
Siti Nurhafizah Ramli, Nurul Iman Aminudin, Farediah Ahmad, Deny Susanti
| Abstract & References || Full Text: pdf ( 327 K ) || DOI: 10.17576/mjas-2019-2304-04 |

5.    A GREEN COLORIMETRIC METHOD USING GUAVA LEAVES EXTRACT FOR QUALITY CONTROL OF IRON CONTENT IN PHARMACEUTICAL FORMULATIONS
(Kaedah Kalorimetrik Hijau Mengunakan Ekstrak Daun Jambu Bagi Kawalan Kualiti Kandungan Besi di dalam Formulasi Farmaseutikal)
Watsaka Siriangkhawut, Kraingkrai Ponhong, Kate Grudpan
| Abstract & References || Full Text: pdf ( 441 K ) || DOI: 10.17576/mjas-2019-2304-05 |

6.    REMOVAL OF PARAQUAT HERBICIDE BY CETYLTRIMETHYL AMMONIUM BROMIDE MODIFIED PINEAPPLE LEAVES
(Penyingkiran Herbisid Parakuat oleh Daun Nanas yang Diubahsuai dengan Setiltrimetil Ammonium Bromida)
Nik Ahmad Nizam Nik Malek, Muhd Hafiz Jusoh, Auni Afiqah Kamaru
| Abstract & References || Full Text: pdf ( 714 K ) || DOI: 10.17576/mjas-2019-2304-06 |

7.    INTERACTION STUDIES OF PUTATIVE CHEMICAL LIGANDS IN BINDING SITES OF THERMOSTABLE LIPASE FROM Geobacillus zalihae STRAIN T1
(Kajian Interaksi Ligan Kimia pada Tapak Pengikatan Lipase Termostabil daripada Geobacillus zalihae Stren T1)
Mohd Basyaruddin Abdul Rahman and Muhammad Alif Mohammad Latif
| Abstract & References || Full Text: pdf ( 512 K ) || DOI: 10.17576/mjas-2019-2304-07 |

8.    ADSORPTION OF MALACHITE GREEN ONTO MODIFIED CHITOSAN–SULFURIC ACID BEADS: A PRELIMINARY STUDY
(Penjerapan Malakit Hijau ke atas Manik Kitosan-Asid Sulfurik Terubahsuai: Satu Kajian Awal)
Suhaila Mohd Yusoff, Wan Saime Wan Ngah, Faizatul Shimal Mehamod, Faiz Bukhari Mohd Suah
| Abstract & References || Full Text: pdf ( 643 K ) || DOI: 10.17576/mjas-2019-2304-08 |

9.    ANTIBACTERIAL AND ANTIOXIDANT ACTIVITIES OF EXTRACTS FROM Calophyllum ferrugineum AND Calophyllum incrassatum
(Aktiviti Antibakteria dan Antioksidan Terhadap Ekstrak daripada Calophyllum ferrugineum dan Calophyllum incrassatum)
Nurul Iman Aminudin, Farediah Ahmad, Muhammad Taher
| Abstract & References || Full Text: pdf ( 546 K ) || DOI: 10.17576/mjas-2019-2304-09 |

10.   HYDROSILYLATION OF ALDEHYDES CATALYZED BY DIETHYL 2-PYRIDYLPHOSPHONATE
(Hidrosililasi Aldehida Bermangkin Dietil 2-Piridilfosfonat)
Natsuhisa Oka, Kousuke Ito, Kaori Ando
| Abstract & References || Full Text: pdf ( 420 K ) || DOI: 10.17576/mjas-2019-2304-10 |

11.   THE INTERACTION BETWEEN FIREFLY LUCIFERIN WITH G-QUADRUPLEX DNA AND CT-DNA
(Interaksi antara Lusiferin Kunang-Kunang bersama DNA G-Kuadrupleks dan CT-DNA)
Nurul Huda Abd Karim, Roshatiara Shamsuddin, Aida Mastura Mohd Yussof, Nur Amirah Harunar Rashid
| Abstract & References || Full Text: pdf ( 531 K ) || DOI: 10.17576/mjas-2019-2304-11 |

12.   RARE EARTH METAL DOPED CaO AS CATALYST FOR THE TRANSESTERIFICATION REACTION OF COOKING OIL
(Logam Nadir Bumi Dop CaO sebagai Mangkin untuk Tindak Balas Transesterifikasi Minyak Masak)
Wan Nur Aini Wan Mokhtar, Mohd Rushashraaf Ramli, Muhammad ‘Azim Jamaluddin, Suria Ramli
| Abstract & References || Full Text: pdf ( 824 K ) || DOI: 10.17576/mjas-2019-2304-12 |

13.   UTILIZATION OF DEEP EUTECTIC SOLVENT (DES) AS POROGEN IN THE FABRICATION OF POLYMERIC MONOLITHIC CAPILLARY COLUMN
(Penggunaan Pelarut Eutektik Dalam (DES) Sebagai Porogen Dalam Fabrikasi Turus Kapilari Monolitik Polimerik)
Nabilah Suhaili, Lee Wah Lim, Takeuchi Toyohide, Rizafizah Othaman
| Abstract & References || Full Text: pdf ( 637 K ) || DOI: 10.17576/mjas-2019-2304-13 |

14.   ISOLATION OF NEW ROTUNDONE FROM THE ROOTS OF Croton hirtus (EUPHORBIACEAE)
(Pemencilan Komponen Rotundona Terbaharu daripada Akar Croton hirtus (Euphorbiaceae))
Andi Rifki Rosandy , Anis Asmi Azman, Rozida Khalid, Rizafizah Othaman, Azwan Mat Lazim, Iqbal M. Choudary, Yana Maulana Syah, Jalifah Latip, Ikram M. Said, Muntaz Abu Bakar
| Abstract & References || Full Text: pdf ( 279 K ) || DOI: 10.17576/mjas-2019-2304-14 |

15.   PRELIMINARY INVESTIGATION OF LOW CURRENT FLASH SINTERING IN ZIRCONIA NANOPARTICLE COMPACT
(Kajian Awal Persinteran Kilat Arus Rendah dalam Nanopartikal Zirkonia Kompak)
Michiyuki Yoshida, Mitsuki Hada, Yutaka Shinoda, Osamu Sakurada, Fumihiro Wakai
| Abstract & References || Full Text: pdf ( 809 K ) || DOI: 10.17576/mjas-2019-2304-15 |

16.   SYNTHESIS AND BINDING PROPERTIES OF TERT-BUTYL AMIDE MACROCYCLES FOR PSEUDOROTAXANES FORMATION
(Sintesis dan Sifat Pengikatan Makrosiklik Tetrabutil-Amida bagi Penghasilan Pseudorotazen)
Nurul Izzaty Hassan and Douglas Philp
| Abstract & References || Full Text: pdf ( 951 K ) || DOI: 10.17576/mjas-2019-2304-16 |

17.   EFFECT OF PLASTICIZERS AND LITHIUM PERCHLORATE ON POLY(L-LACTIC ACID)-POLY(PROPYLENE GLYCOL) SOLID POLYMER ELECTROLYTE
(Kesan Pemplastik dan Litium Perklorat terhadap Elektrolit Polimer Pepejal Poli(L-Asid Laktik)-Poli(Propilena Glikol))
Siti Munirah Manap, Azizan Ahmad, Mohd Sani Sarjadi, Farah Hannan Anuar
| Abstract & References || Full Text: pdf ( 503 K ) || DOI: 10.17576/51jas-2019-2304-17 |

18.   QUANTITATIVE ANALYSIS OF PHENOLICS CONTENT IN TWO ROSELLE VARIETIES (Hibiscus sabdariffa) BY HIGH PERFORMANCE LIQUID CHROMATOGRAPHY
(Analisis Kuantitatif bagi Sebatian Fenolik dalam Dua Varieti Roselle (Hibiscus sabdariffa) menggunakan Kromatografi Cecair Berprestasi Tinggi)
Siti Aishah Mohd Ali, Satirah Zainalabidin, Jalifah Latip
| Abstract & References || Full Text: pdf ( 613 K ) || DOI: 10.17576/mjas-2019-2304-18 |

19.   SOLUTION CASTING EPOXIDIZED NATURAL RUBBER/POLY(VINYLIDINE FLUORIDE) MEMBRANE FOR PALM OIL EFFLUENT TREATMENT
(Pengacuanan Larutan Membran Getah Asli Terepoksida/Poli(Vinilidina Fluorida) untuk Rawatan Efluen Kilang Minyak Sawit)
Norliyana Mod, Farah Hannan Anuar, Rizafizah Othaman
| Abstract & References || Full Text: pdf ( 817 K ) || DOI: 10.17576/mjas-2019-2304-19 |

20.   ANALYSIS OF HEAVY METAL CONCENTRATIONS IN BALLAST WATER AND SEAWATER AT TANJUNG PELEPAS PORT
(Analisis Kandungan Kepekatan Logam Berat dalam Air Balast dan Air Laut di Pelabuhan Tanjung Pelepas)
Jacqueline Chong Kar Xin, Sharina Abu Hanifah, Nor Aishah Salleh, Normazida Rozi, Norfaizan Padli
| Abstract & References || Full Text: pdf ( 744 K ) || DOI: 10.17576/mjas-2019-2304-20 |

21.   PSYCHROTOLERANT ACTINOBACTERIA Barrientosiimonas humi 39T AS A SOURCE OF DIKETOPIPERAZINE
(Aktinobakteria Psikrotoleran Barrientosiimonas humi 39T Sebagai Sumber Sebatian Diketopiperazin)
Andi Rifki Rosandy, Yeoh Chiann Ying, Cheah Yoke Kqueen, Muntaz Abu Bakar, Azira Muhamad, Rozida Mohd Khalid
| Abstract & References || Full Text: pdf ( 1475 K ) || DOI: 10.17576/mjas-2019-2304-20 |