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A. Usman

Publications (29)

Spatiotemporal Modelling of Endemic-epidemic Cholera in Nigeria

A. Usman, A. Isah, U. Abubakar & M. James · Asian Journal of Probability and Statistics · 2022

This study used a multivariate negative binomial model to capture the Spatiotemporal endemic-epidemic of infectious disease and explore the spatial and temporal patterns of cholera outbreaks in Nigeria. The model for the epidemic part measured spatial weights for the disease spre...

Open access Research Article 10.9734/ajpas/2022/v16i230398

Characteristic Variation of Ground Heat Flux and Net Radiation at Tropical Station in Ile-Ife, Osun State, Nigeria

A. Usman, B. B. Ibrahim & L. A. Sunmonu · Asian Journal of Research and Reviews in Physics · 2020

Characteristic variation of ground heat flux and net radiation enhances the understanding of the significance of indicated trends of variability to everyday life and factors that might be responsible for such variations. This research work critically analyses some specific days w...

Open access Research Article 10.9734/ajr2p/2020/v3i430127

A New Generalized Weibull- Odd Frѐchet Family of Distributions: Statistical Properties and Applications

A. Usman, S. I. S. Doguwa, B. B. Alhaji & A. T. Imam · Asian Journal of Probability and Statistics · 2020

We introduced a new generalized Weibull- Odd Frѐchet family of distributions with three extra parameters and we derived some of its structural properties. We derived comprehensive mathematical properties which include moments, moment generating function, Entropies and Order Stati...

Open access Research Article 10.9734/ajpas/2020/v9i330228

Association of Level of Uric Acid in Pregnancy and it’s Connection of Increase Gouty Arthritis in Women with Gestational Diabetes

A. S. Abdullahi, N. U. Matazu, A. Usman, K. I. Matazu, A. Nasir, I. Mohammed, A. I. Yaradua, I. S. Darma & H. G Bawa-Sani · Journal of Scientific Research and Reports · 2026

Uric acid is the principal end-product of purine metabolism in man and the primary biochemical requirement for the development of clinical gout is hyperuricemia. Prevalence of gout in women who are in their reproductive age is rare and only a few studies were carried out previous...

Open access Research Article 10.9734/jsrr/2026/v32i54151

Response Surface Methodology and Its Application in Evaluating Scientific Activities in a Federal University of Technology

U. Abullahi, A. O. Bello, A. Usman, O. D. Akanji & O. M. Adetutu · Current Journal of Applied Science and Technology · 2022

This paper used a second-order response surface methodology (RSM) to modeled the relationship between some selected university ranking indicators and citation variables. The objectives were to investigate which of the selected indicator(s) are relevant to the number of citations...

Open access Research Article 10.9734/cjast/2022/v41i484031

Combining Ability Analysis of Late Leaf Spot Resistance and Other Agronomic Traits in Nine Groundnut Genotypes

A. D. Takyun, M. S. Mohammed & A. Usman · Asian Journal of Research in Crop Science · 2019

Late leaf spot (LLS) Phaeoisariopsis personata (Berk. and Curtis) Deighton is one of the most important foliar diseases of groundnut worldwide including Nigeria. The genotypes were used to estimate the general combining ability (GCA) and specific combining ability (SCA) for yield...

Open access Research Article 10.9734/ajrcs/2019/v3i130038

Influence of Incorporated Legumes, NPK 20-10-10 and Their Combination on Yield and Yield Attributes of Pearl Millet (Pennisetum glaucum L.)

A. K. Ibrahim, N. Voncir & A. Usman · International Journal of Plant & Soil Science · 2018

Field experiments were conducted from 2015 to 2016 during wet seasons at the Teaching and Research of the Leventist Farm, Tumu, Akko local Government area, Gombe State, to evaluate the effects of incorporated legumes, NPK 20-10-10 and their Combinations on yield and yield attribu...

Open access Research Article 10.9734/IJPSS/2018/38185

The Effect of Unemployment on Crime in Nigeria: A Panel Data Analysis

A. A. Kilishi, H. I. Mobolaji, A. Usman, A. T. Yakubu & M. A.Yaru · Journal of Economics, Management and Trade · 2014

The rising trend of crime in Nigeria is usually blamed on the high rate of unemployment. There is need therefore, to empirically investigate the relationship between unemployment and crime. Hence, this paper examined the impact of unemployment on different types of crime in Niger...

Open access Research Article 10.9734/BJEMT/2014/5991

Mining Activities and the Risks Associated with Fish Consumption

A. I. Yaradua, A. Nasir, A.S. Abdullahi, A. Usman, I. H. Kankia & A. Idi · Asian Journal of Applied Chemistry Research · 2026

Freshwater fish may accumulate heavy metals from contaminated aquatic environments, thereby creating potential health concerns for populations that depend on fish as a dietary protein source. This study assessed selected heavy metals and associated health risks in edible fish sam...

Open access Research Article 10.9734/ajacr/2026/v17i3399

Health Risk Assessment of Heavy Metals in a Vegetable Cultivated in a Conflict Zone

A. I. Yaradua, J. I. Bungudu, L. Shuaibu, A. Nasir, A. Usman, I. H. Kankia, N. U. Matazu, Z. A. Suleiman, A. A. Sada, F. A. Rumah, U. Bello, A. B. Tukur, A. S. Sani, R. G. Lawal, H. K. Matazu, A. K. Sani, Z. G. Kabir, H. G. Kabir, M. I. Halliru, A. Abbas, M. M. Dalhatu, I. A. Yaradua, M. N. Nasir, F. Mukhtar, M. Hassan, B. Abdullahi, A. Y. Sabiru, I. S. Darma, R. Nasir, M. A. Rawayau, W. Hamisu & A. N. Muhammad · Annual Research & Review in Biology · 2023

The health risk to the population from exposure to heavy metals in an area that have witnessed a surge in illegal mining activities, cattle rustling and banditry were evaluated in the current study. Sorel (Hibiscus sabdariffa) leaves sample from Gadirge village, Jibia local Gover...

Open access Research Article 10.9734/arrb/2023/v38i730596

Health Risk Assessment of Heavy Metals in Vegetable: The Contribution of Illegal Mining and Armed Banditry to Heavy Metal Pollution in Katsina State, Nigeria

A. I. Yaradua, J. I. Bungudu, L. Shuaibu, A. Nasir, A. Usman, I. H. Kankia, N. U. Matazu, Z. A. Suleiman, A. A. Sada, F. A. Rumah, U. Bello, A. B. Tukur, A. S. Sani, R. G. Lawal, H. K. Matazu, A. K. Sani, Z. G. Kabir, H. G. Kabir, M. I. Halliru, A. Abbas, M. M. Dalhatu, I. A. Yaradua, M. N. Nasir, F. Mukhtar, M. Hassan, B. Abdullahi, A. Y. Sabiru, I. S. Darma, R. Nasir, M. A. Rawayau, W. Hamisu & A. N. Muhammad · Journal of Scientific Research and Reports · 2023

The health risk to the population from exposure to heavy metals in an area that have witnessed a surge in illegal mining activities, cattle rustling and banditry were evaluated in the current study. Moringa leaves sample from Jabiyawa village, Jibia local Government area, Katsina...

Open access Research Article 10.9734/jsrr/2023/v29i51744

Health Risk Assessment of Heavy Metals in a Vegetable Cultivated on Land Polluted through Illegal Mining

A. I. Yaradua, J. I. Bungudu, L. Shuaibu, A. Nasir, A. Usman, I. H. Kankia, N. U. Matazu, Z. A. Suleiman, A. A. Sada, F. A. Rumah, U. Bello, A. B. Tukur, A. S. Sani, R. G. Lawal, H. K. Matazu, A. K. Sani, Z. G. Kabir, H. G. Kabir, M. I. Halliru, A. Abbas, M. M. Dalhatu, I. A. Yaradua, M. N. Nasir, F. Mukhtar, M. Hassan, B. Abdullahi, A. Y. Sabiru, I. S. Darma, R. Nasir, M. A. Rawayau, W. Hamisu & A. N. Muhammad · Archives of Current Research International · 2023

The risk of exposure to the population from heavy metals in an area that have witnessed a surge in illegal mining activities, cattle rustling and banditry were evaluated in the current study. Lettuce leaves sample from Gadirge village, Jibia local Government area, Katsina State,...

Open access Research Article 10.9734/acri/2023/v23i3561

Illegal Mining and Armed Banditry in Katsina State, Nigeria: What is their Contribution to the Heavy Metal Pollution of a Popularly Consumed Vegetable?

A. I. Yaradua, J. I. Bungudu, L. Shuaibu, A. Nasir, A. Usman, I. H. Kankia, N. U. Matazu, Z. A. Suleiman, F. A. Rumah, U. Bello, A. B. Tukur, A. S. Sani, R. G. Lawal, H. K. Matazu, A. K. Sani, Z. G. Kabir, H. G. Kabir, M. I. Halliru, A. Abbas, M. M. Dalhatu, I. A. Yaradua, M. N. Nasir, F. Mukhtar, M. Hassan, B. Abdullahi, A. Y. Sabiru, R. Nasir, M. A. Rawayau & A. N. Muhammad · Journal of Applied Life Sciences International · 2023

The health risk to the population from exposure to heavy metals in an area that have witnessed a surge in illegal mining activities, cattle rustling and banditry were evaluated in the current study. Cabbage leaves sample from Makiya village, Jibia local Government area, Katsina S...

Open access Research Article 10.9734/jalsi/2023/v26i1591

Health Risk Assessment of Some Selected Heavy Metals in Agricultural Soils from Katsina State, North-Western Nigeria

A. I. Yaradua, L. Shuaibu, A. J. Alhassan, J. I. Bungudu, A. Usman, A. Nasir & I. A. Yaradua · Asian Journal of Applied Chemistry Research · 2022

This work contributes to the monitoring of heavy metal pollution of Agricultural soils, Katsina State Nigeria, using Atomic Absorption Spectrophotometry. The heavy metal contamination of the soil samples were analyzed based on the Geoaccumulation index (Igeo), enrichment factor (...

Open access Research Article 10.9734/ajacr/2022/v11i4209

Evaluation of Carcinogenic and Non-Carcinogenic Health Risk of Heavy Metal Exposures from Some Local Fruits in Katsina State, North West Nigeria

A. I. Yaradua, J. I. Bungudu, L. Shuaibu, A. Nasir, A. Usman, U. Bello, Z. A. Suleiman & I. A. Yaradua · Asian Journal of Applied Chemistry Research · 2022

This work was carried out to evaluate the heavy metals (Cr, Cd, Fe, Ni, Mn, Pb and Zn) pollution load and health risks to the population of some local fruit samples in Katsina state Nigeria. Results from this study have shown that except for the mean concentration of Pb (1.152-1....

Open access Research Article 10.9734/ajacr/2022/v11i430264

Non-carcinogenic and Carcinogenic Health Risk Evaluation from Fish Contaminated with Heavy Metals

A. I. Yaradua, L. Shuaibu, J. I. Bungudu, A. Nasir, A. Usman, A. Abdullahi, M. M. Muhammad, A. S. Sani, I. A. Yaradua & H. K. Matazu · Asian Journal of Fisheries and Aquatic Research · 2022

The pollution of water bodies with heavy metals can result into the possible contamination of freshwater fish. The levels of the heavy metals Pb, Fe, Cu, Zn, Ni and Cd were investigated in fish samples (Ameiurus nebulosus, Pylidictis olivaris, Tilapia zilli, Clarias gariepinus) c...

Open access Research Article 10.9734/ajfar/2022/v18i630460

Droplet Digital PCR – A Superior Complementary Technique for SARS-CoV-2 Detection

I. M. Hussaini, S. Gide, B. Musa, M. A. Sulaiman & A. Usman · Asian Journal of Biology · 2020

Accurate and timely SARS-CoV-2 detection in suspected persons is crucial in the fight against its spread. Many techniques have been developed to meet up with the continuously growing demand, however some of these techniques lack the required accuracy, sensitivity and specificity....

Open access Research Article 10.9734/ajob/2020/v9i430092

Human Health Risk Assessment of Heavy Metals in Onion Bulbs Cultivated in Katsina State, North West Nigeria

A.I. Yaradua, A. J. Alhassan, A. Nasir, S. S. Matazu, A. Usman, A. Idi, I. U. Muhammad, S. A. Yaro & R. Nasir · Archives of Current Research International · 2020

Vegetable fields in Katsina State are increasingly being loaded with heavy metals through various pollution sources such as agricultural activities mining and traffic. Onion bulb samples from the three senatorial zones that constitute to make up Katsina state in the North West of...

Open access Research Article 10.9734/acri/2020/v20i230175

Heavy Metals Health Risk Assessment through Consumption of Baobab Leaf Cultivated in Katsina State, North West Nigeria

A. I. Yaradua, A. J. Alhassan, A. Nasir, K. I. Matazu, A. Usman, A. Idi, I. U. Muhammad, L. A. Saulawa & M. A. Dangambo · Asian Food Science Journal · 2019

Vegetables play important roles in human nutrition and health. They can also contain some undesirable components that can be harmful, e.g.  Pesticides and heavy metals. The objectives of the study were mainly to detect the presence of heavy metals (Cr, Cd, Fe, Ni, Mn, Pb and Zn)...

Open access Research Article 10.9734/afsj/2019/v13i130096

Health Risk Assessment for Carcinogenic and Non-carcinogenic Heavy Metal Exposures from Pepper Fruits Cultivated In Katsina State, North West Nigeria

A. I. Yaradua, A. J. Alhassan, A. Nasir, S. S. Matazu, A. Usman, A. Idi, I. U. Muhammad, L. Shuaibu & H. Ibrahim · Asian Journal of Advanced Research and Reports · 2019

This study was conducted to determine the heavy metals concentration in pepper fruits cultivated in Katsina state Nigeria. The objectives were mainly to detect the presence of heavy metals in the cultivated pepper fruits in the study area, compare the concentration of heavy metal...

Open access Research Article 10.9734/ajarr/2019/v6i430161

Concentrations and Risk Evaluation of Selected Heavy Metals in Amaranthus (L.) Leaf Cultivated in Katsina State, North West Nigeria

A. I. Yaradua, A. J. Alhassan, A. Nasir, K. I. Matazu, A. Usman, A. Idi, I. U. Muhammad, S. A. Yaro & Y. Y. Muhammad · Journal of Applied Life Sciences International · 2019

Bioaccumulation of seven heavy metals (Cr, Cd, Fe, Ni, Mn, Pb and Zn) in  Amaranthus leaf cultivated in Katsina state Nigeria were measured using atomic absorption spectrometer. The health risks to the local inhabitants from the consumption of the Amaranthus leaf were evaluated b...

Open access Research Article 10.9734/jalsi/2019/v20i430089

Heavy Metal Burden and Evaluation of Human Health Risks in Tomato Fruits Cultivated in Katsina State, North West Nigeria

A. I. Yaradua, A. J. Alhassan, A. Nasir, M. Bala, A. Usman, A. Idi, I. U. Muhammad, S. A. Yaro & I. Muhammad · Asian Food Science Journal · 2019

This study was conducted to determine the heavy metals concentration in Tomato fruits cultivated in Katsina State Nigeria. The objectives were mainly to detect the presence of heavy metals in the cultivated Tomato fruits in the study area, compare the concentration of heavy metal...

Open access Research Article 10.9734/afsj/2019/v9i130001

Health Risk Assessment for Carcinogenic and Non Carcinogenic Heavy Metal Exposure from Hibiscus Leaf Cultivated in Katsina State, North West Nigeria

A. I. Yaradua, A. J. Alhassan, A. Nasir, K. I. Matazu, A. Usman, S. Yau, A. Idi, I. U. Muhammad, S. A. Yaro & J. A. Mashi · Asian Journal of Agricultural and Horticultural Research · 2019

This study was conducted to determine the heavy metals concentration in Hibiscus leaves cultivated in Katsina State Nigeria. The objectives were mainly to detect the presence of heavy metals in the cultivated Hibiscus leaves in the study area, compare the concentration of heavy m...

Open access Research Article 10.9734/ajahr/2019/v3i430003

Molecular Identification of Mycobacterium bovis from Post-mortem Inspected Cattle at the Abattoir and Slaughter Houses in Bauchi State, Nigeria

A. S. Sa’idu, E. C. Okolocha, A. A. Dzikwi, J. K. P. Kwaga, A. Usman, A. A. Gamawa, U. B. Abubakar & S. A. Maigari · Journal of Advances in Medicine and Medical Research · 2014

Aims: Bovine tuberculosis (bTB) is a chronic infectious and contagious zoonotic disease of domestic, wild animals and humans. The disease occurs in a wide range of mammalian species and therefore, poses a public health threat. It also results in considerable economic losses in li...

Open access Research Article 10.9734/BJMMR/2015/11650

Evaluation of Microbial Purity and Acute and Sub-acute Toxicities of a Nigerian Commercial Polyherbal Formulation Used in the Treatment of Diabetes Mellitus

S. O. Ogbonnia, G. O. Mbaka, A. M. Nwozor, H. N. Igbokwe, A. Usman & P. A. Odusanya · Journal of Pharmaceutical Research International · 2013

Objective: This study evaluated acute and sub-acute toxicities in rodents and microbial purity of a polyherbal formulation, Bobwell® popular among the natives for the management of diabetes mellitus (DM). It was prepared with unspecified quantities of the following plant material...

Open access Research Article 10.9734/BJPR/2013/4117

Proximate and Mineral Composition of the Fruit of Ficus polita

A. Nasir, F. I. Jaafar, I. U. Muhammad, K. I. Matazu, A. I. Yaradua, A. Usman, Z. A. Suleiman, H. Sulaiman & N. M. Nasir · Journal of Applied Life Sciences International · 2020

The proximate and mineral analyses were conducted in the Department of Biochemistry Laboratory, Faculty of Basic Medical Sciences, Bayero University Kano, Nigeria, in May 2019. The study was carried out to determine the proximate and mineral composition of the fruit of Ficus poli...

Open access Research Article 10.9734/jalsi/2020/v23i830178

Evaluation of Health Effect of Some Selected Heavy Metals in Maize Cultivated in Katsina State, North West Nigeria

A. I. Yaradua, A. J. Alhassan, L. A. Saulawa, A. Nasir, K. I. Matazu, A. Usman, A. Idi, I. U. Muhammad & A. Mohammad · Asian Plant Research Journal · 2019

This study was conducted to determine the heavy metals concentration in maize cultivated in Katsina state Nigeria. The objectives were mainly to detect the presence of heavy metals in the cultivated maize in the study area, compare the concentration of heavy metals in samples in...

Open access Research Article 10.9734/aprj/2019/v2i330048

Heavy Metals and Health Risk Burden, How Safe is the Consumer Population?: A Study on the Heavy Metal Content of Soybeans Cultivated in Katsina State, North West Nigeria

A. I. Yaradua, J. I. Bungudu, L. Shuaibu, A. J. Alhassan, A. Nasir, U. Bello, A. Usman, Z. A. Suleiman, A. Abdullahi, M. M. Muhammad & I. A. Yaradua · Asian Journal of Applied Chemistry Research · 2022

The level of heavy metals in soybeans samples were evaluated to ascertain their likely health risks to the Katsina State populace. Atomic absorption spectrometry method was employed for the evaluation, while the three senatorial zones of the state were used for sampling. Using me...

Open access Research Article 10.9734/ajacr/2022/v11i430261

Genetic Studies of Agronomic and Physiological Traits in Tomato (Lycopersicon lycopersicum Mill.) Under Heat Stress Conditions

H. S. Hamisu, S. G. Ado, M. Y. Yeye, I. S. Usman, S. O. Afolayan, M. G. Bala, A. Usman, J. J. Yaduma, B. A. Idris, M. Y. Gwammaja, S. M. Muhammad, A. H. Hudu, Y. D. Giginyu, J. I. Aliyu & A. U. Idris · Journal of Experimental Agriculture International · 2016

Field experiments were conducted at National Horticultural Research Institute, Bagauda (11°33´N; 8°23´E) in the Sudan Savannah and Institute for Agricultural Research, Samaru (11°11´N; 07°38’E) in the Northern Guinea Savanna ecological zones of Nigeria between July-October, 2014...

Open access Research Article 10.9734/AJEA/2016/28424