Results 21 to 30 of about 5,136,187 (237)

Effects of Preferential Incorporation of Carboxylic Acids on the Crystal Growth and Physicochemical Properties of Aragonite

Crystals, 2020
The preferential incorporation of carboxylic acids into aragonite and its effects on the crystal growth and physicochemical properties of aragonite were systematically investigated using a seeded co-precipitation system with different carboxylic acids ...
Seon Yong Lee, Uijin Jo, Bongsu Chang, Young Jae Lee   +3 more
doaj   +1 more source

Effects of mutations in the helix G region of horseradish peroxidase [PDF]

, 2008
Horseradish peroxidase (HRP) has long attracted intense research interest and is used in many biotechnological fields, including diagnostics, biosensors and biocatalysis.
Barry J. Ryan, Batra, Chakrabarti, Chang, Chattopadhyay, Ciarán Ó'Fágáin, Coates, Dai, Dunford, French, Gajhede, Garcia, Gonera, Gorman, Grigorenko, Guex, Hakamada, Haque, Hassani, Howes, Ignatenko, Jager, Kaposi, Khmelnitsky, Krowarsch, Kwon, Lei, Lin, Lipovsek, Liu, Liu, Machado, Miland, Miland, Mogharrab, Moosavi-Movahedi, Morawski, Nagano, Numata, O'Brien, O'Brien, Orlova, Ozaki, Pina, Priori, Ryan, Ryan, Ryan, Ryu, Sambrook, Santucci, Savenkova, Smeller, Smith, Tams, Tanaka, Tanaka, Ugarova, Urrutigoity, Wang   +59 more
core   +1 more source

Characteristics of the root exudate release system of typical plants in plateau lakeside wetland under phosphorus stress conditions

Open Chemistry, 2020
In this study, the root exudates of wetland plants, Pistia stratiotes, black algae, and Cyperus alternifolius, exposed to six phosphorus concentration gradients (0, 0.2, 1, 5, 10, and 20 mg/L) were characterized.
Duan Xu, Zhao Yang-yi, Zhang Jian-cong
doaj   +1 more source

ISOTHERM ADSORPTION STUDY OF THE SOME DICARBOXYLIC ACID BY MANGANESE DIOXIDE [PDF]

مجلة جامعة الانبار للعلوم الصرفة, 2014
The adsorption process for Aliphatic and Aromatic dicarboxylic acid on manganese dioxide was studied briefly as a polluted material which produced in nature.
KHALEL I. AL-NIEMI, IBRAHIM Y. MOHAMMED, SAFWAN AL-DOBONI   +2 more
doaj   +1 more source

Phthalic acid esters--an overview. [PDF]

Environmental Health Perspectives, 1973
In recent years those in the scientific community concerned with environmental and public health have been called upon to consider two categories of previously unsuspected materials characterized by wide distribution and long persistence in the environment: mercury, especially organic mercury, and the chlorinated diphenyls (PCBs).
openaire   +2 more sources

Synthesis and characterization of new phthalimides and succinimides substituted with 1,3,4-oxadiazole ring [PDF]

مجلة جامعة الانبار للعلوم الصرفة, 2012
A series of new phthalimides and succinimides connected to 1,3,4-oxadiazole moiety were synthesized via multistep synthesis. The first step involved synthesis of six 5- substituted 2- amino-1,3,4-oxadiazoles by oxidative cyclization of substituted ...
Ahlam Marouf Al-Azzawi, Hiba Kadhum Yaseen   +1 more
doaj   +1 more source

Origins and composition of fine atmospheric carbonaceous aerosol in the Sierra Nevada Mountains, California [PDF]

, 2011
In this paper we report chemically resolved measurements of organic aerosol (OA) and related tracers during the Biosphere Effects on Aerosols and Photochemistry Experiment (BEARPEX) at the Blodgett Forest Research Station, California from 15 August–10 ...
Bench, G., de Gouw, J., Docherty, K. S., Farmer, D. K., Gilman, J. B., Glasius, M., Goldstein, A. H., Hering, S. V., Jimenez, J. L., Kreisberg, N. M., Kristensen, K., Kuster, W. C., McKay, M., Seinfeld, J. H., Surratt, J. D., Williams, B. J., Worton, D. R.   +16 more
core   +2 more sources

Metabolite signatures and distribution patterns of processed pasta from fractionated whole wheat and Bambara groundnut using gas chromatography high-resolution time-of-flight mass spectrometry

Food Chemistry Advances, 2023
This study investigated the metabolite signatures and distribution in cooked whole wheat pasta enriched with Bambara groundnut using gas chromatography high-resolution time-of-flight mass spectrometry (GC-HRTOF-MS).
Samson A. Oyeyinka, Sefater Gbashi, Chiemela E. Chinma, Janet A. Adebo, Oluseyi M. Ajayi, Oluwafemi A. Adebo, Patrick B. Njobeh   +6 more
doaj   +1 more source

Esterification of dicarboxylic acids to diesters over Mn+-montmoril lonite clay catalysts [PDF]

, 2005
Esterification of dicarboxylic acids with various alcohols and phenols in presence of metal exchanged montmorillonite clay catalyst (Mn+-mont; Mnþ ¼ Al3þ, Fe3+, Cr3+, Zn2+, Mn2+, and Ni2+) is studied.
Gopalpur Nagendrappa, ., Jai Prakash, B.S., Pushpa Iyengar, ., Ravindra Reddy, .   +3 more
core   +1 more source

Geometry and conformations of benzenecarboxylic acids [PDF]

Journal of the Serbian Chemical Society, 2004
The geometry, conformations and energy of mono-, di-, and tri-carboxylic derivatives of benzene were studied by means of the AM1 molecular-orbital method.
IVAN GUTMAN, DALIBOR BADJUK, ZORAN MARKOVIC   +2 more
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