Chemistry

Isolation And Characterization Of Bioactive Compounds Of Lactuca taraxacifolia (Wild Lettuce)

ABSTRACT

This research work was carried out to identify the bioactive constituents of the leaves, stems and roots of Lactuca (Launaea) taraxacifolia, a medicinally important plant of the Asteraceae...

28 pages (40017 words) · Theses · 2 years ago

Isolation And Characterization Of Bioactive Natural Products In Justicia spicigera (Acanthaceae)

ABSTRACT

The Phytochemical evaluation of the secondary metabolites in Justicia spicigera using n-hexane, methanol, chloroform and ethanol extracts revealed the bioavailability of bioactive compounds...

23 pages (44165 words) · Theses · 2 years ago

Experimental And Computational Studies On The Corrosion Inhibition Potentials Of Schiff Bases Synthesised From Linoleic And Benheric Acids On Mild Steel And Aluminised Steel In Hcl Acid Medium

ABSTRACT

The inhibition efficiencies of the two Schiff bases 2[2-diethylamino) ethyl methyl amino)-4-methy1-5-3 (3-methyl sulfanyl propy1 amino) methyldiene cyclohexdien-1-one (DEMS) and...

64 pages (39392 words) · Theses · 2 years ago

Isolation And Nmr Characterization Of A Secondary Metabolite From The Leaves Of Emilia Coccinea (Sims) G.Don And Their Bioactivity Studies

ABSTRACT

Emilia coccinea is a medicinal plant of African origin that belongs to the family of Asteraceae. This plant has diverse and potential medicinal uses in traditional medicine for treating...

94 pages (17353 words) · Theses · 2 years ago

Determination Of Heavy Metals (As, Cd, Hg, Pb) Concentration On Soils And Settled Dust Of Mechanic Workshops At Afikpo In Afikpo North L.G.A Of Ebonyi State, Nigeria

ABSTRACT

This study was carried out to determine the level of heavy metals concentration in soil and settled dust samples in four (4) randomly selected auto-mechanic workshops at varying depths...

57 pages (19824 words) · Theses · 2 years ago

Corrosion Inhibition Properties Of Some Schiff Bases On Zinc IN 0.1M H2SO4

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30 pages (21886 words) · Theses · 2 years ago

Adsorption Of Pb2+, Cu2+ AND Fe2+ From Aqueous Solution Using The African Velvet Tamarind Seed (Dialium guineense)

ABSTRACT

Heavy metals which are directly discharged into receiving water bodies pollute and make them unsafe for use because of their extreme harmful effects on man. Adsorption is one of the...

101 pages (19908 words) · Theses · 2 years ago

Equilibrium And Kinetic Studies On Adsorption OF Cd(II), Pd(II) AND Ni (II) Ions From Aqueous Solution Onto Schiff Base-Modified Silica.

ABSTRACT

This study compared the potential of four adsorbents: pure silica, 3-aminopropyl trimethoxysilane modified silica (APTSMSi), Schiff- base modified silicas APTSMSi-PMAPSA and...

302 pages (48912 words) · Theses · 2 years ago

Synthesis, Characterization And Antibacterial Activities Of Phenylmethylidene-(1-3-THIAZOLE-2YLMETHYL) Sulfonyl Methylaniline Schiff Base and its Fe (III) Ni (II) and Mn (II) Complexes.

 

ABSTRACT

Phenylmethylidene-(1-3-thiazole-2ylmethyl) sulfonylmethylaniline Schiff bases [PTSA] was prepared by a reaction between benzaldehyde and sulphathiazole. Fe(III), Mn(II) and Ni(II)...

1 page (13970 words) · Theses · 2 years ago

Investigating The Chemical Composition And Biological Activity Of Stem Bark Of Buchholzia coriacea engler (WONDERFUL KOLA)

ABSTRACT

Buccholzia coriacea commonly called wonderful kola has been used in traditional medicine to treat hypertension, headache, and infectious diseases among others. The objectives of this...

227 pages (51345 words) · Theses · 2 years ago

Determination Of Heavy Metals (Zn, Pb, Cd, As) Concentrations In The Soil And Leachate Of The Municipal Open Dumpsite At Ubakala, Umuahia South L.G.A, Abia State, Nigeria.

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104 pages (21574 words) · Theses · 2 years ago

Isolation And Nmr Characterization Of A Secondary Metabolite From The Leaves Of Dissotis rotundifolia And Investigation Of Its Bioprotective Potentials

ABSTRACT

Dissotis rotundifolia is used in traditional herbal medicine for the treatment of diseases and infections such as cough, stomach ache, tooth ache, diarrhoea, painful swellings, jaundice...

122 pages (22694 words) · Theses · 2 years ago

Sorption Studies of Nitrate, Sulphate and Phosphate Ions on Selected Agricultural Soils in Akwa Ibom State, Nigeria

ABSTRACT

 Due to paucity of research data on the sorption characteristics of agricultural soils in Akwa Ibom State, this research aimed at determining the sorption capacities of nitrate,...

238 pages (61653 words) · Theses · 2 years ago

Assessment Of Pollution Status And Chemical Speciation In Surface Water And Sediments Of Cross River And Qua Iboe River Systems In Akwa Ibom State, Nigeria

ABSTRACT

The study area, Akwa Ibom State is located in the coastal Eastern Niger Delta where the vast majority of the populace depend largely on the rivers and streams for their agricultural,...

1 page (77542 words) · Theses · 2 years ago

Some Physicochemical Characteristics And Spatial Distribution Of Heavy Metals And Poly Aromatic Hydrocarbons In Three Rivers In Ahoada West, Rivers State Of Nigeria

ABSTRACT

Environmental pollution/contamination has led to world-wide issues of source identification and abatement practices of pollutants. In this study, water and sediment samples collected from...

1 page (47314 words) · Projects · 3 years ago

Chemical Constituents And Analgesic Activity Of Extracts From Newbouldia Laevis Leaf (P.Beauv)

ABSTRACT

Humanity is faced with numerous health challenges ranging from severe to chronic disease conditions, such health challenges common to mankind among others include pains, arthritis,...

121 pages (20540 words) · Theses · 3 years ago

Impact Of Water Treatment And Storage On The Deterioration Of Packaged Water Before Shelf-Life Expiration

ABSTRACT

The lack of awareness and disregard for caution and information by the producers, consumers and customers on the importance of the characteristic content, pathogenic or parasitic organisms...

1 page (19177 words) · Theses · 3 years ago

Removal Of Clˉ, No3ˉ, Po43ˉ And So42ˉ From Pabod Brewery Effluent Using Ripe And Unripe Plantain (Musa Paradisiaca) Peels As An Adsorbent

ABSTRACT 

This study was designed to ascertain the bio-sorbent potential of plantain peels on some selected inorganic anion pollutants in brewery effluent. Four different concentrations...

1 page (24876 words) · Theses · 3 years ago

Isolation, Characterization And Partial Toxicity Of The Bioactive Chemical Constituents From The Leaves Of Sarcophrynium Brachystachys (Benth) K. Shum

ABSTRACT

Sarcophrynium brachystachys also known as the praying plant, is traditionally used for food  packaging. Ethanol 96 % was used to percolate the air dried and pulverized leave sample...

229 pages (34513 words) · Projects · 3 years ago

Isolation, Characterization And Bioactivity Of Chemical Constituents From The Stembark Of Lonchocarpus Sericeus (Poir) Kunth Ex Dc (Papilionaceae)

ABSTRACT

Three compounds 3β-lup-20 (29)-en-3-ol (lupeol, LS 1), (3S,8S,9S,10R,13R,14S,17R)-17-[(E,2R,5S)-5-ethyl-6-methylhept-3-en-2-yl]-10,13-dimethyl-2, 3, 4, 7, 8, 9, 11, 12, 14, 15, 16,...

1 page (31295 words) · Projects · 3 years ago

Synthesis, Characterization, And Solvent Extraction Studies Of Acylpyrazolone Ligands And Their Mn(II), Fe(III) AND TI(III) Complexes

ABSTRACT

Two novel acylpyrazolone ligands; (1-(5- hydroxy-3-methyl-1-phenyl-1-H-pyrazol-4-yl) pentan-1-one (HMPPp) and 1-(5-hydroxy-3-methyl-1-phenyl-1-H-pyrazol-4-yl) nonadecan-1-one (HMPPn) were...

1 page (33278 words) · Projects · 3 years ago

Adsorption Kinetics For The Removal Of Dyes By Bio-Waste Materials In Aqueous Medium

ABSTRACT

This research investigates the removal of the dyes, methyl orange (MO) and methyl blue (MB) from aqueous environment using two biosorbent materials, namely, orange and yam peels. Samples of...

1 page (23617 words) · Theses · 3 years ago

Competitive Adsorption Of Sulphate And Phosphate Ions On Two Soils Of South Eastern Nigeria

ABSTRACT

The study was carried out to determine the competitive adsorption of sulphate and phosphate ions on two benchmark soils. The work involved field and laboratory studies. For field work,...

146 pages (24173 words) · Theses · 3 years ago

Trace Metal Levels In Soil And Crop Samples Around Amasiri Stone Quarry In Afikpo North, Ebonyi State, Nigeria

ABSTRACT

A study was conducted to investigate some physico-chemical properties and heavy metal contents of soil samples collected around Amasiri stone quarry. Soil and cassava leaf samples...

100 pages (20800 words) · Theses · 4 years ago

Isolation, Characterization And Antioxidative Activity Of Bioactive Constituents Of The Leaves Of Antiaris Africana

ABSTRACT

Antiaris africana plant commonly known as "false iroko" tree is one of the medicinal plants used in the treatment of mental and nervous disorder such as epilepsy, treatment of respiratory...

161 pages (32458 words) · Theses · 4 years ago
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