Recently added

ISOLATION AND CHARACTERIZATION OF FLAVONOID COMPOUNDS FROM ETHYL ACETATE FRACTION OF Macaranga lamellata Whitmore LEAVES

Indah Puspita, Sherly; Marliana, Eva; Daniel (2019-02-04)

PHYTOCHEMICAL AND ANTIOXIDANT ACTIVITY TESTS OF n-HEXANE, ETHYL ACETATE, AND ETHANOL FRACTIONS FROM SURUHAN (Peperomia pellucida (L.) Kunth) USING DPPH METHOD

Tiku Lembang, Darmita; Daniel; Saleh, Chairul (2020-03-20)

SYNTHESIS OF METHYL MALATE THROUGH ESTERIFICATION REACTIONS USING METHANOL SOLVENTS AND IN SITU REACTIONS WITH ACID CATALYSTS

Endang Sinulingga, Eci; Daniel; Saleh, Chairul; Rahayu Magdaleni, Agustina (2020-03-20)

PHYTOCHEMICAL TEST AND TOXICITY (Brine Shrimp Lethality Test) IN ETHANOL EXTRACT, ETHYL ACETATE FRACTION AND RESIDUAL ETHANOL FRACTION OF AJERAN LEAVES (Bidens pilosa L.)

Meti Audia, Nuraini; Daniel; Marliana, Eva (2020)

SYNTHESIS OF MALEIL ACETATE THROUGH ESTERIFICATION REACTIONS OF MALIC ACID USING ANHYDRATE ACETATE

Rifky Rizqullah, Muhammad; Daniel; Marliana, Eva (2021)

Antioxidant Activities Methanol Fraction of Merung Stem Extract (Coptosapelta tomentosa (Blume) Valenton Ex K. Heyne)

Rahayu Magdaleni, Agustina; Daniel (2021-05)

ANALYSIS OF THE NEED FOR DEVELOPMENT OF COMPUTER BASED TEST (CBT) ASSESSMENT BASED ON HIGH ORDER THINKING SKILL (HOTS) IN BIOLOGICAL LEARNING

Setia Prihantini, Ria; Amir Masruhim, Muh; Daniel (2020-12)

Preparation of Spent Bleaching Earth-Supported Calcium from Limestone as Catalyst in Transesterification of Waste Frying Oil

Hindryawati, Noor; Daniel; Pragas Maniam, Gaanty (2017)

DETERMINATION OF FREE FATTY ACIDS IN Arachis hypogaea L. CHEESE BY VARYING STORAGE PERIODS AND THE Streptococcus lactis AND Lactobacillus bulgaricus CONCENTRATION

Mutia, Ulfa; Saleh, Chairul; Daniel (2013-05)

SYNTHESIS OF N-LAUROYL SERINAMIDE THROUGH AMIDATION REACTION OF SERINE WITH METHYL LAURATE AND AMIDATION REACTION OF SERINE WITH LAUROYL CHLORIDE

Unknown author (2020-11-01)

UJI FITOKIMIA, TOKSISITAS DAN AKTIVITAS ANTIBAKTERI TERHADAP EKSTRAK ETANOL DAUN RAMBUSA (Passiflora foetida L.) TERHADAP BAKTERI Staphylococcus aureus DAN Escherichia coli

Y, Noviyanti; P.Pasaribu, Subur; Tarigan, Daniel (2014-11-01)

TEMPERATURE OPTIMIZATION OF TRANSESTERIFICATION REACTION OF STRAW RICE OIL (Oryza sativa L.) TO FORM BIODIESEL WITH CaO CATALYST FROM CHICKEN EGG SKIN

Sinta, Tasik; Daniel; Saleh, Chairul (2016-11-01)

PENINGKATAN KEPOLARAN ASAM LINOLEAT DALAM BENTUK AMIDA MENJADI N-etanol-9,10,12,13,15,16 HEKSAHIDROKSI OLEIL-AMIDA

Daniel (2016-05-02)

Synthesis of Soft Soap Containing Polyhydroxy from Cocoa seed Oil (Theobroma cacao,L)

Saleh, Chairul; Tarigan, Daniel; Adhawiyah Al-Idrus, Rabiatul (2016-05-02)

TOXICITY TESTS (Brine Shrimp Lethality Test) AND ANTIOXIDANT ACTIVITY OF SINTRONG LEAF (Crassocephalum Crepidioides) 2,2-diphenyl-1-picrylhidrazil (DPPH) METHOD

Boni Pasilala, Fiktor; Daniel; Saleh, Chairul (2016-11-01)

PHYTOCHEMICAL, TOXICITY AND ACTIVITY ANTIOXIDANT FRACTION n-HEXANE AND ETHYL ACETATE EXTRACT OF RED GINGER (Zingiber officinale var. amarum.)

Nora Kaban, Alpina; Daniel; Saleh, Chairul (2016-11-01)

SYNTHESIS OF ASCORBYL LAURATE FROM METHYL LAURATE AND ASCORBIC ACID THROUGH TRANSESTERIFICATION WITH CATALYST IS LIPASE AND ANALYSIS OF ANTIOXIDANT ACTIVITY

Adyana, Dyah; Daniel; Saleh, Chairul (2017-05-02)

ISOLATION AND IDENTIFICATION OF SECONDARY METABOLITES COMPOUNDS FROM ETHYL ACETATE FRACTION ON RED COLORED PUCUK MERAH (Syzygium Myrtifilium Walp.)

Wati, Mila; Erwin; Tarigan, Daniel (2017-05-02)

THE PHYTOCHEMICAL TEST AND TOXICITY TEST LEAVES GAMAL (Gliricidia sepium) EXTRACT AS A BOTANICAL INSECTICIDE

Kartini, Ajeng; Tarigan, Daniel; Saleh, Chairul (2017-11-01)

SINTESIS SURFAKTAN TURUNAN AMIDA YANG DIPEROLEH DARI REKASI METIL RISINOLEAT DAN ETILENDIAMINA

Daniel; Rahayu Magdaleni, Agustina; Koesnarpadi, Soerja (2018-05-02)

A - Mathematics and Natural Sciences: Recent submissions

ISOLATION AND CHARACTERIZATION OF FLAVONOID COMPOUNDS FROM ETHYL ACETATE FRACTION OF Macaranga lamellata Whitmore LEAVES ﻿

PHYTOCHEMICAL AND ANTIOXIDANT ACTIVITY TESTS OF n-HEXANE, ETHYL ACETATE, AND ETHANOL FRACTIONS FROM SURUHAN (Peperomia pellucida (L.) Kunth) USING DPPH METHOD ﻿

SYNTHESIS OF METHYL MALATE THROUGH ESTERIFICATION REACTIONS USING METHANOL SOLVENTS AND IN SITU REACTIONS WITH ACID CATALYSTS ﻿

PHYTOCHEMICAL TEST AND TOXICITY (Brine Shrimp Lethality Test) IN ETHANOL EXTRACT, ETHYL ACETATE FRACTION AND RESIDUAL ETHANOL FRACTION OF AJERAN LEAVES (Bidens pilosa L.) ﻿

SYNTHESIS OF MALEIL ACETATE THROUGH ESTERIFICATION REACTIONS OF MALIC ACID USING ANHYDRATE ACETATE ﻿

Antioxidant Activities Methanol Fraction of Merung Stem Extract (Coptosapelta tomentosa (Blume) Valenton Ex K. Heyne) ﻿

ANALYSIS OF THE NEED FOR DEVELOPMENT OF COMPUTER BASED TEST (CBT) ASSESSMENT BASED ON HIGH ORDER THINKING SKILL (HOTS) IN BIOLOGICAL LEARNING ﻿

Preparation of Spent Bleaching Earth-Supported Calcium from Limestone as Catalyst in Transesterification of Waste Frying Oil ﻿

DETERMINATION OF FREE FATTY ACIDS IN Arachis hypogaea L. CHEESE BY VARYING STORAGE PERIODS AND THE Streptococcus lactis AND Lactobacillus bulgaricus CONCENTRATION ﻿

SYNTHESIS OF N-LAUROYL SERINAMIDE THROUGH AMIDATION REACTION OF SERINE WITH METHYL LAURATE AND AMIDATION REACTION OF SERINE WITH LAUROYL CHLORIDE ﻿

UJI FITOKIMIA, TOKSISITAS DAN AKTIVITAS ANTIBAKTERI TERHADAP EKSTRAK ETANOL DAUN RAMBUSA (Passiflora foetida L.) TERHADAP BAKTERI Staphylococcus aureus DAN Escherichia coli ﻿

TEMPERATURE OPTIMIZATION OF TRANSESTERIFICATION REACTION OF STRAW RICE OIL (Oryza sativa L.) TO FORM BIODIESEL WITH CaO CATALYST FROM CHICKEN EGG SKIN ﻿

PENINGKATAN KEPOLARAN ASAM LINOLEAT DALAM BENTUK AMIDA MENJADI N-etanol-9,10,12,13,15,16 HEKSAHIDROKSI OLEIL-AMIDA ﻿

Synthesis of Soft Soap Containing Polyhydroxy from Cocoa seed Oil (Theobroma cacao,L) ﻿

TOXICITY TESTS (Brine Shrimp Lethality Test) AND ANTIOXIDANT ACTIVITY OF SINTRONG LEAF (Crassocephalum Crepidioides) 2,2-diphenyl-1-picrylhidrazil (DPPH) METHOD ﻿

PHYTOCHEMICAL, TOXICITY AND ACTIVITY ANTIOXIDANT FRACTION n-HEXANE AND ETHYL ACETATE EXTRACT OF RED GINGER (Zingiber officinale var. amarum.) ﻿

SYNTHESIS OF ASCORBYL LAURATE FROM METHYL LAURATE AND ASCORBIC ACID THROUGH TRANSESTERIFICATION WITH CATALYST IS LIPASE AND ANALYSIS OF ANTIOXIDANT ACTIVITY ﻿

ISOLATION AND IDENTIFICATION OF SECONDARY METABOLITES COMPOUNDS FROM ETHYL ACETATE FRACTION ON RED COLORED PUCUK MERAH (Syzygium Myrtifilium Walp.) ﻿

THE PHYTOCHEMICAL TEST AND TOXICITY TEST LEAVES GAMAL (Gliricidia sepium) EXTRACT AS A BOTANICAL INSECTICIDE ﻿

SINTESIS SURFAKTAN TURUNAN AMIDA YANG DIPEROLEH DARI REKASI METIL RISINOLEAT DAN ETILENDIAMINA ﻿