نتایج جستجو برای: n-dodecanal

تعداد نتایج: 976491  

Journal: :Chemical communications 2009
Ruiqiong Li Oleg V Kulikov George W Gokel

Pyrogallol[4]arene macrocycles prepared from pyrogallol and n-dodecanal insert in phospholipid bilayers and form conducting pores that undergo reversible switching over a wide range of potentials.

2016
Luyao Bao Jian-Jun Li Chenjun Jia Mei Li Xuefeng Lu

BACKGROUND Aldehyde-deformylating oxygenase (ADO) is an important enzyme involved in the biosynthetic pathway of fatty alk(a/e)nes in cyanobacteria. However, ADO exhibits quite low chain-length specificity with respect to the substrates ranging from C4 to C18 aldehydes, which is not suitable for producing fuels with different properties or different chain lengths. RESULTS Based on the crystal...

Journal: :Silicon 2021

Silicon (Si) plays beneficial role in alleviating biotic and abiotic stresses but comparative investigations with Si nanoparticles (Si-NPs) under water restriction on medicinal plants is not recognized. The aim of this study was to observe the Si-NPs effects growth, physio-chemical attributes, essential oil (EO) profile aerial parts coriander (coriandrum sativum L.) stress. A split-plot experim...

2011
Chen-Lung Ho Pei-Chun Liao Yu-Chang Su

This study investigated the chemical composition, and antimicrobial and anti-wood-decay fungal activities of the essential oil isolated from the leaf of endemic Machilus zuihoensis Hayata, Lauraceae, of Taiwan. The essential oil from the fresh leaves of M. zuihoensis was isolated using hydrodistillation in a Clevenger-type apparatus, and characterized by GC-FID and GC-MS. A total of 104 compoun...

2012
Chen-Lung Ho Pei-Chun Liao Yu-Chang Su

This study investigated the chemical composition, and antimicrobial and anti-wood-decay fungal activities of the essential oil isolated from the leaf of endemic Machilus zuihoensis Hayata, Lauraceae, of Taiwan. The essential oil from the fresh leaves of M. zuihoensis was isolated using hydrodistillation in a Clevenger-type apparatus, and characterized by GC-FID and GC-MS. A total of 104 compoun...

A. Ghani Ghani S. Mohtashami Z. Karimi*

Background and objectives: Ducrosia anethifolia is one species which belongs to Apiaceae family that is used to improve the odor of foods and drinks. It is used also to treat catarrh, headache and backache in folk medicine. The herb is also reported to relax the mind and body and induce a peaceful sleep. The growing stage has an important role in quantity and quality o...

2017
Paul S Thomas Emmanuel E Essien Samuel J Ntuk Mohammad I Choudhary

Background:Eryngium foetidum essential oils from Nigeria were investigated for the first time in order to ascertain their potency as natural antioxidants. E. foetidum is an aromatic and medicinal herb used in ethno-medicine and as a traditional spice for foods. Methods: The hydro-distilled oils of E. foetidum were subjected to gas chromatography-mass spectrometry (GC-MS) analysis. Free radical ...

Journal: :Molecules 2014
Rafidah Ahmad Syarul Nataqain Baharum Hamidun Bunawan Minki Lee Normah Mohd Noor Emelda Roseleena Rohani Norashikin Ilias Noraziah Mohamad Zin

The aim of this research was to identify the volatile metabolites produced in different organs (leaves, stem and roots) of Polygonum minus, an important essential oil producing crop in Malaysia. Two methods of extraction have been applied: Solid Phase Microextraction (SPME) and hydrodistillation coupled with Gas Chromatography-Mass Spectrometry (GC-MS). Approximately, 77 metabolites have been i...

Journal: :Biochemistry 1993
P Macheroux S Ghisla J W Hastings

The bioluminescent reaction of luciferase isolated from Vibrio harveyi, strain M17, was initiated by mixing the luciferase-bound flavin 4a-hydroperoxide intermediate, purified in advance, with a long-chain aldehyde (dodecanal or octanal) at -4 degree C. Measurements of absorbance changes from 300 to 600 nm during the course of the reaction revealed the existence of three sets of isosbestic poin...

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