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Browsing Faculty of Science by Issue Date

Browsing Faculty of Science by Issue Date

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  • Thermodynamic Parameters of pH-dependent Optical Transition in Bovine Heart Cytochrome c Oxidase 
    Abubakar, M.K; Lawal, M; Bilbis, L.S (Nigerian Journal of Biochemistry and Molecular Biology, 1992-02)
    Cytochrome c oxidase was prepared according to the method of Yonetani (1961), The pH-induced optical transition in the oxidised (resting) enzyme was studied between 400 and 500 nm at different temperatures, The changes in ...
  • Antinutritianal Factors in Selected Legumes and Vegetables Consumed in Sokoto 
    Bilbis, L.S; Almustapha, D.A; Shehu, R.A; Abubakar, M.G (Nigerian Journal of Biochemistry and Molecular Biology, 1995)
    Cyanogenic glycosides, Phytic acid, total and soluble oxalates are common antinutrlents associated with plant tissues. The levels or Ihese substances wore doterrnlnod In tho leory voqctabtcs "Zognla" (Molinga.proygospomio), ...
  • Chemical composition Or some oil seed grown in northern Nigeria 
    Almustapha, D.A; Bilbis, L.S; Rades, J.M; Abubakar, M.K (Nigerian Journal of Biochemistry and Molecular Biology, 1995)
    There is 'ltlitc a (;1.lilst;]l1tial variation 111the chemical cornpositlon of oil seeds due to varietal 'lnd '?TlVlrcllrnental r;)el"I!'. 'i" d~trrrtlillc lhc exact composillon of populnr oil seeds 111Norlllcrrl NlgNlil, ...
  • Preliminary studies of antidote to snake venom from plant based materials 
    Bilbis, L.S; Muazu, A.G; Abubakar, M.G (Nigerian Journal of Biochemistry and Molecular Biology, 1995)
    The ability of the plant extract "Danya" (Sc/erocarya birrea) to neutralize the necrotic and haemorrhagic effect of Naja naja and Naja nigricol/is venom was investigated. The plant extract of various doses were pre-incubated ...
  • NUTRIENT COMPOSION OF SOME GREEN LEAFY VEGETABLES CONSUMED IN 'SOKOTO 
    Ladan, M.J; Bilbis, L.S; Lawal, M. (Nigerian Journal of Basic and Applied Sciences, 1996)
    The nutrient coriJpqsition of some green leafy vegetables constm8d in Sokota was investigated. Of those studied, Brassica int&gl1fo11a (KII~I) was found.Jo have the highest crude protein content (21.5 :t 0.7%); TaJinum ...
  • KINETIC STUDIES ON HEXOKINASE FROM WATER YAM (DIOSCOREA ALATA) TUBERS 
    Abubakar, M.K; Bilbis, L.S; Lawal, M. (Nigerian Journal of Basic and Applied Science, 1997)
    Hexokinase (E.C. 2.7. 11) from Dioscorea alata was isolated and purified 80 - fold using a combination of ammonium sulphate precipitation, gel filtration and ion-exchange chromatography. Electrophoresis of the purified ...
  • PURIFICATION OF ALBUMIN FROM SHEEP KIDNEY CORTEX 
    Bilbis, L.S; Shehu, R.A; Abubakar, M.K (Nigerian Journal of Basic and Applied Sciences, 1997)
    Albumin from sheep kidney cortex was Isolated and purified to apparent homogeneity by 5 steps procedure. This molecule was present in al/ kallikrein containing fractions during the course of purifying the enzyme ...
  • KINETICS STUDIES ON NITRATE REDUC-r ASE FROM MILLET 
    Abubakar, M.G; Bilbis, L.S; Lawal, M. (Nigerian Journal of Basic and Applied Sciences, 1998)
    Millet seedlings (Ex-Borno, Gero type) were grown and crude cell extract of the leaves was used to assay for the activity of Nitrate reduCtase (EC 1.6.6.1) spectrophotometrically at 540 nm according to Neyra and Hageman ...
  • A Comparative Quantitative Study of Kinin-Releasing and Kinin-Degrading Enzymatic Activities in Snake Venoms 
    Bilbis, L.S; Al-Joufi, A.M.H; Al-Hamidi, A.A.A; Bailey, G.S (Nigerian Journal of Biochemistry and Molecular Biology, 1999)
    Kinin-releasing (kininogenase) and kinin-degrading (kininase) activities of a number of crotalid viperid and elapid venoms were measured with the aid of a kinin radioimmunoassay. A titrimetric assay using an arginine ester ...
  • Microsecond Laser Flash Photolysis of the CO-Complex of Bovine Heart Cytochrome c Oxidase 
    Abubakar, M.K; Bilbis, L.S; Shehu, R.A (Nigerian Journal of Biochemistry and Molecular Biology, 1999)
    the fully reduced and mixed valence enzyme was prepared as described by Bicker et al. (1984). Kinetics of CO rebinding subsequent to Laser photolysis was studied at 430nm by using a 20ns pulsed at 532nm vertically ...
  • SOME BIOCHEMICAL AND HAEMATOLOGICAL PARAMETERS OF RATS FED TWO LOCALLY PREPARED WEANING FOODS 
    Saidu, Y; Bilbis, L.S; Ibrahim, M.L (Klocex Academic Publishers, 1999)
    Some biochemical and haematological parameters of male weanling albino rats fed two locally prepared weaning foods labelled JK and LI diets were studied, JK diet was prepared from maize, soya beans and ground nuts in the ...
  • STUDIES ON CYTOCHROME c: CYTOCHROME c OXIDASE COMPLEX 
    Lawal, M; Bilbis, L.S; Abubakar, M.K (Klocex Academic Publishers, 1999)
    In this study, an attempt has been made to determine the stoichiometry of the electrostatic complex between horse heart ferricytochrome c and cytochrome c oxidase using gel filtration chromatography. The conditions under ...
  • Spectral Relaxation of "Pulsed" Cytochrome c Oxidase 
    Abubakar, M.K; Lawal, M; Bilbis, L.S (Nigerian Journal of Biochemistry and Molecular Biology, 1999)
    Cytochrome c oxidase was isolated from bovine heart using the method of Yonetani (1961). The enzyme was transformed into the more active "pulsed" form by complete reduction followed by subsequent reoxidation as described ...
  • Comparative Study of Rhodanese Activity in Some Tissues of a Day old and 12 Weeks old Domestic Fowl (Gallus do111estic US) 
    Saidu, Y.; Bilbis, L.S; Sahabi, D.M; Wasagu, R.S.U (Nigerian Journal of Biochemistry and Molecular Biology, 2000)
    Rhodanese activity was assayed in the liver, kidney and heart of a day old and 12 weeks old domestic fowl (G. domesticus'[, The activity in these tissues differed significantly (P < 0.05). The order of activity of the ...
  • Purification and Characterization of al Protease Inhibitor from Camel Plasma 
    Bilbis, L.S; Shehu, R.A; Abubakar, M.K (Nigerian Journal of Biochemistry and Molecular Biology, 2000)
    Three drtferent serine protease Inhibitors were Isolated from camel plasma and purified to apparent homogeneity. The purification was achieved using (NH.hSO. predplation, affinity chromatography on Blue Sephal"O$e,Ionex ...
  • Rhodanese Activity Profile in some Tissues of Developing Domestic Fowl (Gallus domesticus) Fed 200/0 Cassava Supplemented Poultry Feeds 
    Saidu, Y; Temple, V.J; Wasagu, R.S; Sahabi, D.M (Nigerian Journal of Biochemistry and Molecular Biology, 2000)
    Changes in rhodanese activity profile in the liver, ~, heart, brain and gizzard of dl!Yeloplng domestic fOYoll (Gallus. domesticus) fed on commercially prepared normal poultry feeds (cortrol feeds) and pauley feeds ...
  • Purification and Characterization of s-CrystallinJQuinone Oxidoreductase from Camel Liver 
    Shehu, R.A; Bilbis, L.S; Abubakar, M.K (Nigerian Journal of Biochemistry and Molecular Biology, 2000)
    t;..Qystallln is a major protein In the lens of certain mammals. It has been characterized as a novel NADPH:quinone oxidoreductase, showing Hmlted quinone substrate specificity. Here we report fa- 1he first time, ...
  • PREVALENCE OF HELMINTH PARASITES OF Gallus gallus SLAUGHTERED AT THE SOKOTO CENTRAL MARKET 
    Abubakar, U; Garba, H.S (Sokoto Journal of Veterinary Sciences, 2000)
    A survey was conducted on thc helminth parasites of Gallus gallus slaughtered at the Sokoto Central Market, In all, a total of 120 hirds of varying weights and sexes were examined for parasites through the examination of ...
  • SERUM TOTAL CHOLESTEROL AND TRIACYLGL YCEROL IN KWASHIORKOR CHILDREN 
    Bilbis, L.S; Shehu, R.A; Lawal, M. (Klocex Academic Publishers, 2000-06)
    Serum total cholesterol and triacylglycerol in sixty kwashiorkor cruidren between the ages of 20 and 32 months were estimated. The results obtained showed that 66.7 per cent of the children had total serum cholesterol ...
  • Purification and Partial Characterization of Trypsin Inhibitor from Watermelon Seeds 
    Bilbis, L.S; Shehu, R.A; Abubakar, M.K (Nigerian Journal of Biochemistry and Molecular Biology, 2001)
    Several fractions demonstrating trypsin inhibitory activity were isolated from the seeds of watermelon. One of the mrnbnors was punfied to apparent homogeneity and partially characterized emploYing ion-exchange chromatography ...

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