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M. Umar

Publications (23)

Evaluation of Phytochemical, Antimicrobial Activities and Toxicological Analysis of Scent Leaf (Ocimum gratissimum L.) Leaf Extracts

M. Umar, C. P. Nkemelu, M. R. Sagir, S. Y. Mohammed, G. K. Ajiya, I. B. Mohammed, A. A. Yaya, A. A. Kigbu, S. A. Ojo, I. M. Abdulkarim, I. Y. Tafinta & I. C. Amuta · Asian Journal of Research in Medical and Pharmaceutical Sciences · 2019

Aim: The phytochemical screening, antibacterial activities and in vivo toxicity of extracts of the leaves of scent leaf (Ocimum gratissimum L.) were investigated. Methods: All the analyses were carried out using standard scientific procedures using Soxhlet extraction, well-diffus...

Open access Research Article 10.9734/ajrimps/2019/v7i330123

Bacteriological Quality Assessment and Antibiogram Profile of Bacteria Associated with Sachet Drinking Water Sold at Zaria, Northern Nigeria

M. Umar, J. Kambai, I. B. Mohammed, J. O. Oko, A. A. Obafemi, Ibrahim Murtala, K. G. Ajiya, A. A. Yaya, I. M. Abdulkarim, D. E. Akafyi, S. Idris, U. T. Tashi & S. Ahmed · International Journal of Pathogen Research · 2019

Aims: Bacteriological quality assessment and antibiogram profile of bacteria associated with sachet drinking water was carried out with view to determine the bacterial load and fitness of the water sold in the study area for human consumption. Materials and Methods: Ten samples o...

Open access Research Article 10.9734/ijpr/2019/v2i230067

Antibiotic Susceptibility Profile of Klebsiella Species Isolated from Pregnant Women with Dysuria Attending Selected Medical Centre in Northern Nigeria

M. Umar, I. A. Maidoki, A. A. Yaya, G. K. Ajiya, S. P. E. Jakheng, I. M. Abdulkarim & I. C. Amuta · Asian Journal of Research and Reports in Urology · 2018

Background: Urinary Tract Infection (UTI) is caused by the presence and growth of microorganisms in the urinary tract. Klebsiella infection is perhaps one of the common bacterial infections of mankind capable of causing urinary tract infections. Aims: This study targeted to evalu...

Open access Research Article

Physicochemical Analysis and Microbiological Assessment of Tannery Effluent Discharged from Tanneries around Nigeria’s Kano Industrial Estates

M. Umar, M. A. Ibrahim, M. B. Mustapha, I. B. Mohammed, U. T. Tashi, A. Obafemi & G. I. Ahmad · Journal of Advances in Microbiology · 2017

Aims: Research study on physicochemical analysis and microbiological assessment of tannery effluent discharged from tanneries around Nigeria’s Kano industrial estate was carried out.  Duration of Study: The study was conducted between September 2015 and December 2016. Methodology...

Open access Research Article 10.9734/JAMB/2017/31437

Evaluation of Phytochemical and in vitro Antimicrobial Effects of Solanum lycopersicum Linn. (Tomato) on Oral Thrush and Human Cariogenic Pathogens

M. Umar, A. Zubairu, H. S. Hamisu, I. B. Mohammed, J. O. Oko, I. M. Abdulkarim, A. Salisu, A. A. Yaya & A. A. Aliko · Journal of Advances in Medical and Pharmaceutical Sciences · 2017

Aims: Study on the evaluation of phytochemical and antimicrobial effects of tomato Solanum lycopersicum (L.) on oral thrush and human cariogenic pathogens was designed to determine the antimicrobial effect of tomato extracts, and to identify the common phytochemical constituents...

Open access Research Article 10.9734/JAMPS/2016/31456

Seroprevalence of Hepatitis B and Listeriosis Co-Infection among Patients Attending Sickbay Hospital, Ahmadu Bello University, Zaria, Kaduna, Nigeria

M. Umar, A. A. Aliko, S. Idris, O. I. Daniel, A. S. Adam, A. Salisu, I. M. Abdulkarim, D. Danzarami & D. Y. Jobbi · Asian Journal of Medicine and Health · 2016

Aims: A cross-sectional research study on the seroprevalence of hepatitis B and listeriosis co-infection among patients attending Sickbay Hospital, Ahmadu Bello University, Zaria was carried out, with view to characterize, identify and to determine the antimicrobial sensitivity p...

Open access Research Article 10.9734/AJMAH/2016/28933

Phytochemical Analysis and Antimicrobial Effect of Lemon Grass (Cymbopogon citratus) Obtained From Zaria, Kaduna State, Nigeria

M. Umar, I. B. Mohammed, J. O. Oko, I. Y. Tafinta, A. A. Aliko & D. Y. Jobbi · Journal of Complementary and Alternative Medical Research · 2016

Aim: The research study aimed to extract Cymbopogon citratus leaf using various solvents with view to determine the phytochemical constituents and antimicrobial effect of the plant extracts on some selected microorganisms. Methodology: The cold maceration and agar well diffusion...

Open access Research Article 10.9734/JOCAMR/2016/26783

Serological Characterization and Antimicrobial Sensitivity Profile of Haemophilus influenzae Serotypes Isolated from Aminu Kano Teaching Hospital, Kano, Nigeria

M. Umar, A. H. Arzai, G. Yusuf, J. O. Oko & D. Y. Jobbi · Microbiology Research Journal International · 2016

Aim: The aim of this research study was to isolate and serologically characterize Haemophilus influenzaeserotypes with view to determine antibiotic susceptibility profile of the isolated bacterium and compare the effectiveness of the antibiotics used on the capsulated and unencap...

Open access Research Article 10.9734/BMRJ/2016/26779

Prevalence of Dermatophytic Infections among Students of Nigerian Higher Institution Using Occlusive Leather Footwear

M. Umar, M. B. Mustapha, I. B. Mohammed, A. A. Aliko, I. Y. Tafinta & B. Adenuga · Archives of Current Research International · 2016

Aim: Prevalence of dermatophytic infections amongst students of Nigerian higher institutions using occlusive leather footwear was carried out. The aim was to evaluate the prevalence of dermatophytic infection associated with occlusive leather footwear worn by students of Nigerian...

Open access Research Article 10.9734/ACRI/2016/27332

Seroprevalence of Treponema pallidum Infection among Cohorts of Pregnant Women Attending a Selected Hospital at Northern Nigeria

S. P. E. Jakheng, M. Umar, K. A. Longkat, J. O. Oko, F. S. Ojeleye, Amos A. Kigbu, N. A. Kutman & S. A. Ojo · International STD Research & Reviews · 2019

Background: Syphilis is a multifaceted disease with serious implications for the pregnant women and the foetus. Treponema pallidum, the causative agent of syphilis has been a public health challenge for centuries. Sexually transmitted infections (STIs) among pregnant women are wi...

Open access Research Article 10.9734/ISRR/2019/v8i130096

Antibacterial Susceptibility of Heavy Metals Tolerant Bacteria Isolated from NILEST Tannery Effluent

J. O. Oko, M. Umar, D. E. Akafyi & M. Abdullahi · Journal of Advances in Medical and Pharmaceutical Sciences · 2016

Background: The emergence of multiple antibiotics resistance among bacterial population poses a potential threat to human health. The co-existence of metal/antibiotic resistance in bacterial strains suggests the role of heavy metals as a factor which can also contribute to drug r...

Open access Research Article 10.9734/JAMPS/2016/26580

Effect of Temperature and Time on the Quality of Eco-Printed Leather

W. Pancapalaga, A. Mahmud & M. Umar · Journal of Advances in Biology & Biotechnology · 2025

The leather finishing process is the final stage in the leather tanning process, which makes the leather look attractive and comfortable. One of the leather finishing processes can be done using the ecoprint coloring method.  Exposure to excessively hot temperatures can cause sev...

Open access Research Article 10.9734/jabb/2025/v28i32123

Investigation of the Earth’s Albedo Using Meteorological Parameters over Maiduguri, Nigeria

D. O. Akpootu, G. M. Argungu, M. Umar, M. I. Iliyasu, A. Yusuf, N. Muhammad, S. A. Sidi, M. Y. Sani, M. Ibrahim, Z. Abdullahi & S. Aruna · Asian Journal of Research and Reviews in Physics · 2023

The present study estimate and investigate the variation of albedo for Maiduguri situated in the Sahelian region of Nigeria, using meteorological data of global solar radiation obtained from the National Aeronautics and Space Administration (NASA) extending for a period between 1...

Open access Research Article 10.9734/ajr2p/2023/v7i4149

Screening of Locally Isolated Penicillium Species from the Soil for Amylase Production

S. P. E. Jakheng, J. Thomas, M. Umar, F. S. Ojeleye, A. K. Albert, J. O. Oko, S. A. Ojo, M. R. Sagir, I. C. Amuta, J. D. Gaiya & N. A. Kutman · Journal of Applied Life Sciences International · 2020

Background: A number of microorganisms are capable of degrading amylase and only a few of these microorganisms produce significant quantities of enzymes capable of completely hydrolyzing the amylase. Fungi are the main amylase-producing microorganisms. Aims: The present study tar...

Open access Research Article 10.9734/jalsi/2020/v23i1230207

Effect of Fuel Material Compositions on Combustion Properties of Wood Chips from Smallhold Farm Plots in a Sudano-Sahelian Environment of Nigeria

O. A. Sotannde, A. M. Dadile, M. Umar, S. M. Idoghor & B. D. Zira · Current Journal of Applied Science and Technology · 2020

Aims: The study explored the combustion properties of woods and barks of some selected trees and the mixtures of the two in order to map out how fuel material composition affect the combustion properties of biomass materials. Study Design: The study is a two-factor factorial expe...

Open access Research Article 10.9734/cjast/2020/v39i230502

Antibiotics Susceptibility Study of Uropathogens Isolated from Asymptomatic Pregnant Women Attending a Tertiary Maternity Clinic in Northern Nigeria

J. O. Oko, C. Abriba, M. Umar, A. D. Asitok, J. A. Audu, S. P. E. Jakheng, F. S. Ojeleye & A. K. Amos · Journal of Complementary and Alternative Medical Research · 2017

Background: Urinary tract infection (UTI) is one of the commonest infections during pregnancy and results in perinatal and maternal morbidity and mortality. For bacterial UTIs, the causative agents have remained virtually the same although with variations in individual prevalence...

Open access Research Article 10.9734/JOCAMR/2017/32159

Prevalence of Bacterial, Trichomonas and Candidal Vaginosis among Females in Angwan-Fulani, Palladan in Zaria, Nigeria

D. E. Akafyi, J. O. Oko, M. Umar, A. Obafemi & Rosemary Michael · Journal of Applied Life Sciences International · 2016

Aims: This study was conducted to determine the prevalence of agents of vaginitis among females in Angwan-Fulani, Palladan-Zaria. Study Design: Experimental design used was a completely randomized design (CRD). Place and Duration of Study: Department of Science Laboratory Technol...

Open access Research Article 10.9734/JALSI/2016/25649

Seroprevalence and Molecular Detection of Human Cytomegalovirus in HIV Positive Patients Attending Some Selected Hospitals in Kaduna State, Nigeria

A. Aliyu, M. Aminu, O. S. Olonitola, M. Umar & M. I. Tahir · Journal of Advances in Biology & Biotechnology · 2016

Aims: The research study aimed to determine the seroprevalence and to molecularly detect cytomegalovirus among HIV patients attending some selected hospitals in Kaduna State, Nigeria. It was also aimed to determine the CD4+ cells counts of the HIV positive patients, screen for th...

Open access Research Article 10.9734/JABB/2016/27968

Evaluation of Radiation Hazard Indices in Mining Sites of Nasarawa State, Nigeria

U. Rilwan, I. Umar, G. C. Onuchukwu, H. A. Abdullahi & M. Umar · Asian Journal of Research and Reviews in Physics · 2020

This work evaluates the radiation hazard indices from some selected mining sites in Nasarawa West, using Sodium Iodide Thallium Gamma Spectrometry. Raeq ranged from 100.39-197.40 Bq/Kg with a mean 161.44 Bq/Kg, which is lower than the average of 370 Bq/Kg. The GADR ranged from 44...

Open access Research Article 10.9734/ajr2p/2020/v3i130111

Allometric Models for Estimating Site Index of Teak (Tectona grandis Linn F.) in Kanya Forest Plantation, Kebbi State, Nigeria

A. Dantani, S. B. Shamaki, M. A. Gupa, M. Sa’idu, R. B. Mukhtar, M. Umar, B. Abubakar & A. Abubakar · Asian Journal of Environment & Ecology · 2019

This study aims to develop site index for Teak (Tectona grandis) in Kanya Forest Plantation, Nigeria. Site index is defined as the total height of the dominant or co-dominant trees at an arbitrary index age, it is a method used for quantifying site quality for pure even-aged stan...

Open access Research Article 10.9734/ajee/2019/v10i130110

Assessment of Experience, Perception and Attitude Towards Premarital Sickle Cell Disease Screening among Students Attending Federal College of Education, Kano, Nigeria

M. A. Hussaini, A. A. Durbunde, Y. D. Jobbi, I. Y. Muhammad, A. U. Mansur, M. Umar, O. Tolulope Isaac, K. Ummulkulthum, A. Azeezat Bolanle & J. Kambai · International Journal of Research and Reports in Hematology · 2019

Background: Sickle cell disease is a condition in which an individual inherit two abnormal haemoglobin genes from both parents βs/βs (HbSS) resulting in pathological state which is attributed to the sickling phenomenon, vaso-occlusion crises, infection and other complications. Ab...

Open access Research Article

Isolation and Identification of Soil Mycoflora in the Upland and Lowland Soils of Usmanu Danfodiyo University, Sokoto, Sokoto State

I. Y. Tafinta, K. Sheh, H. M. Maishanu, S. S. Noma, S. A. Yusif, M. Umar & N. Abubakar · South Asian Journal of Research in Microbiology · 2018

A total of 14 different fungal species belonging to 7 genera were isolated from the upland and lowland soils of Usmanu Danfodiyo University, Sokoto, between October to December, 2015. The mycoflora were isolated using dilution plate technique on Potato dextrose agar amended by 1%...

Open access Research Article 10.9734/sajrm/2018/v1i2747

Estimation and Correlation of Surface Water Vapour Density in Benin, Nigeria

M. I. Iliyasu, D. O. Akpootu, M. Momoh, Z. Abdullahi, A. Yusuf, N. Muhammad, S. A. Sidi, S. Aruna, M. Umar & M. Y. Sani · Asian Journal of Research and Reviews in Physics · 2023

The present study investigated the monthly average daily mean temperature, relative humidity, surface pressure, cloud cover, and sunshine hours associated with monthly variations in surface water vapour density (SWVD) for the period extending from 1979 to 2016 for Benin (Latitude...

Open access Research Article 10.9734/ajr2p/2023/v7i4148