|
New York Science Journal
(N Y Sci J)
ISSN 1554-0200 (print); ISSN 2375-723X (online),
doi prefix: 10.7537, Monthly
Volume 19 -
Number 7 (Cumulated No. 209); July
25, 2026
Cover (pdf),
Cover,
Introduction,
Contents,
Call for
Papers
The following manuscripts are presented as online first for peer-review, starting from July 5, 2026.
All comments are welcome; you may email us at editor@sciencepub.net, or contact the authors directly.
You can use
the message in end of the article abstract to cite it.
To get Microsoft
Documents: After you open the "Full Text" for each article,
change the last 3 characters of the web address from .pdf to
.doc (or .docx)
When you submit manuscript(s), please mention that it is
submitted to New York Science Journal
http://www.sciencepub.net/nature; newyorksci@sciencepub.net
Marsland Press, 310 W 18th
Street, New York, NY 10011, USA.
718-404-5362, 347-321-7172
CONTENTS
|
No.
|
Titles /
Authors /Abstracts
|
Full Text
|
No.
|
|
1
|
Bioremediation of Heavy Metals by Bacteria Isolated from
Mechanic Workshop Soil in Federal Capital Territory, Nigeria
1Oyetunji,i
Funmitan Nike and 2Machunga-Mambula, Salamatu
Sangaljala
1Department
of Life Science, National Space Research and Development Agency
2Department
of Microbiology, University of Abuja, Nigeria
1Email:
Ofunmitan@gmail.com
ABSTRACT:
The study on the bioremediation of heavy metal by
bacteria isolated from mechanic workshop soil in FCT, Nigeria
was conducted. A total of fifteen (15) soil samples were
collected at random from motor mechanic shops in Lugbe (Abuja
Municipal Area Council), Kuntunku in Gwagwalada and Dutse-Alhaji
in Bwari, and in Gwagwalada, Bacillus cereus (3) was the
most occurring bacteria, followed by Bacillus licheniformis
(2) and only one (1) B. subtilis, and Pseudomonas
aeruginosa each, were isolated. In Dutse, Bacillus
subtilis (3) and Pseudomonas aeruginosa (2) were the
only bacteria present in the soil samples. Meanwhile, B.
subtilis (3) was the most prevalent in Lugbe soil,
followed by Pseudomonas aeruginosa (2), B. Megaterium
and Klebsiella pneumonia present has only one each.
B. subtilis was the most frequently isolated bacteria
with seven (37%), followed by five Pseudomonas aeruginosa
(26%), three B. cereus (16%), two Bacillus
licheniformis (11%) while and only one (1) B. Megaterium
and Klebsiella pneumonia represented (5%) each was
isolated. No effect was observed on heavy metal reduction by
Bacillus licheniformis and Klebsiella pneumoniae.
Pseudomonas aeruginosa had the most significant remediation
impact on cadmium and lead in the soils from the mechanic
workshop. Bacillus megaterium had a cadmium reduction of
1.24±0.00 µg/g and 1.36±0.00 µg/g of lead while Bacillus
subtilis and Klebsiella pneumoniae had no reduction
in the concentration of cadmium. However, further study should
be carried out to ascertain the bioactive substance in
Pseudomonas aeruginosa responsible for the bioremediation of
heavy metals such as lead and cadmium.
[Oyetunji,i Funmitan Nike and Machunga-Mambula,
Salamatu Sangaljala.
Bioremediation of Heavy Metals by Bacteria Isolated from
Mechanic Workshop Soil in Federal Capital Territory, Nigeria.
N Y Sci J
2026;19(7):1-8]. ISSN 1554-0200
(print); ISSN 2375-723X (online).
http://www.sciencepub.net/newyork. 01.
Doi:
10.7537/marsnys190726.01
Keywords:
Bioremediation; Heavy metals; Bacteria |
Full Text |
1
|
|
2
|
Herbal Antimicrobials in Perspective: Evaluating
Andrographis paniculata
(Acanthaceae) against Vaginal Staphylococcus aureus
Anastecia Ihuoma Ezeamalu1, Esther Okpe 2,
Gloria Oware 3, Anthonia Ifechukwude Abor 4,
Chidera Nwafor5, Oluchi J Osuala6,
Blessing Jachinma Okonko7 & Iheanyi O Okonko
8
1Medical Microbiology/Mycology
Unit, Department of Medical Laboratory Science, Madonna
University Nigeria, Elele, Rivers State, Nigeria.
2Health Science Department,
National Open University of Nigeria. Nnamdi Azikiwe Expressway,
Jabi, Abuja, Nigeria
3Medical Microbiology Department,
Edo State College of Health Sciences and Technology, Edo State,
Nigeria.
4Department of Medical
Microbiology, Federal Medical Centre, Asaba, Delta State,
Nigeria
5Department of Medical
Microbiology, Archbishop Charles Heerey College of Health
Sciences and Technology, Nkpor, Anambra State, Nigeria.
6Department
of Pharmaceutical Microbiology and Biotechnology, Faculty of
Pharmacy, Madonna University Nigeria, Elele, Rivers State,
Nigeria;
7Medical
Microbiology & Epidemiology Unit, Department of Pharmaceutical
Microbiology and Biotechnology, Faculty of Pharmacy, Madonna
University Nigeria, Elele, Rivers State, Nigeria;
8Virus
& Genomics Research Unit, Department of Microbiology, University
of Port Harcourt, Choba, Rivers State, Nigeria.
*For correspondence:
Email:
osualaoluchioo@gmail.com.
Tel.: +2348065844112
Department of Pharmaceutical Microbiology and Biotechnology,
Faculty of Pharmacy, Madonna University Elele, 512101 Rivers
State, Nigeria.
Email:
iheanyi.okonko@uniport.edu.ng;
Tel: + (234) 8065844112; 7069697309
Virus & Genomics Research Unit, Department of Microbiology,
University of Port Harcourt, Choba, Rivers State, Nigeria.
Abstract:
The rising antimicrobial resistance burden constitutes a
paramount worldwide health threat, particularly in low-resource
environments. Staphylococcus aureus, inclusive of
methicillin-resistant S. aureus (MRSA), is a common cause
of vaginal infection among reproductive-aged women. The present
study evaluated the antimicrobial property of ethanolic vinegar
leaf (Andrographis
paniculata.)
extract against S. aureus isolates from high vaginal
swabs (HVS) of patients attending Madonna University Teaching
Hospital, Elele, Nigeria. A total of 30 clinical isolates of
S. aureus were identified using standard microbiological
techniques. Vinegar leaves were processed and extracted using
ethanol, and antimicrobial activity was tested via the disc
diffusion method at concentrations of 100%, 75%, and 50%.
Results revealed the highest prevalence of S. aureus among the
age group 20–30 years (40%). The extract showed
concentration-dependent antibacterial activity with the highest
sensitivity at 100% concentration across all age groups.
Specifically, 91.7% of isolates of the 20–30 year age group were
sensitive at 100%, and the sensitivity decreased considerably at
lower concentrations. Although sensitivity and resistance
patterns varied among age groups and concentrations, the
chi-square test indicated the absence of a statistically
significant association (p > 0.05). These findings suggest that
vinegar leaf extract possesses promising antimicrobial activity,
particularly at higher concentrations, and may serve as an
adjunct therapy in the treatment of S. aureus-related
infections. Further studies with larger samples and
phytochemical profiling are warranted to elucidate active
principles and standardise therapeutic use.
[Anastecia Ihuoma Ezeamalu, Esther Okpe, Gloria Oware, Anthonia
Ifechukwude Abor, Chidera Nwafor, Oluchi J Osuala, Blessing
Jachinma Okonko & Iheanyi O Okonko.
Herbal Antimicrobials in Perspective: Evaluating
Andrographis paniculata
(Acanthaceae) against Vaginal Staphylococcus aureus.
N Y Sci J
2026;19(7):9-14]. ISSN 1554-0200 (print); ISSN 2375-723X
(online).
http://www.sciencepub.net/newyork.
02. Doi:
10.7537/marsnys190726.02
Keywords:
Staphylococcus aureus;
Andrographis paniculate;
antimicrobial resistance; herbal medicine; plant-derived
antimicrobials. |
Full Text |
2
|
|
3
|
HBV Prevalence
and Socio-Demographic Features of HIV-Infected Individuals
attending University of Port Harcourt Teaching Hospital in
Rivers State, Nigeria
1Igweze-Ezepue N. E., 1Cookey T. I., 2Okonko B. J.,
3Awanye A. M., 3Ibezim C. N. E. & 1Okonko
I. O.
1Virus
& Genomics Research Unit, Department of Microbiology, University
of Port Harcourt, Choba, Rivers State, Nigeria.
tochi.cookey@uniport.edu.ng
2Medical
Microbiology & Epidemiology Research Unit, Department of
Microbiology, Madonna University Nigeria, Elele, Rivers State,
Nigeria.
3Department
of Pharmaceutical Microbiology & Biotechnology, University of
Port Harcourt, Choba, Rivers State, Nigeria.
Abstract:
Hepatitis B virus
(HBV) infection remains a significant public health concern,
particularly among people living with human immunodeficiency
virus (HIV), due to shared transmission routes and the risk of
accelerated liver disease. This study assessed the prevalence of
HBV infection and its socio-demographic distribution among
HIV-infected individuals attending the University of Port
Harcourt Teaching Hospital (UPTH), Rivers State, Nigeria. A
cross-sectional descriptive design was employed, enrolling 100
HIV-positive participants through consecutive sampling.
Socio-demographic data were collected using a structured
questionnaire, while blood samples were obtained and analysed
for Hepatitis B surface antigen (HBsAg) using the Monolisa ELISA
kit (Bio-Rad, France). The overall prevalence of HBV/HIV
coinfection was 9.0%, indicating that nearly one in ten
HIV-infected individuals harboured dual infection. HBV infection
was unevenly distributed across socio-demographic groups.
Participants aged 41–60 years (12.5%) and 21–40 years (8.9%)
showed higher prevalence compared to other age groups. Females
exhibited a higher prevalence (12.1%) than males (4.8%), and
married participants had slightly higher infection rates (12.2%)
than singles (8.3%). Educational background influenced HBV
prevalence, with the highest rate observed among
tertiary-educated participants (15.0%). Occupational analysis
revealed a higher prevalence among self-employed and unemployed
individuals (11.1%), whereas employed participants had no
recorded infection. Religious affiliation showed notable
disparities, with Muslim participants (50.0%) and traditional
religion practitioners (20.0%) exhibiting the highest rates.
These findings highlight that HBV/HIV coinfection is present in
a substantial proportion of the HIV-infected population at UPTH
and is influenced by specific socio-demographic factors. The
study underscores the importance of routine HBV screening,
vaccination, and targeted health education, particularly for
high-risk subgroups, to reduce liver-related morbidity and
optimise clinical outcomes. Integration of HBV prevention and
management strategies within HIV care programs is essential to
mitigate the dual burden of these infections in Rivers State and
similar settings.
[Igweze-Ezepue,
N. E., Cookey, T. I., Okonko, B. J., Awanye, A. M., Ibezim, C.
N. E. & Okonko, I. O.
HBV Prevalence and Socio-Demographic Features of HIV-Infected
Individuals attending University of Port Harcourt Teaching
Hospital in Rivers State, Nigeria.
N Y Sci J 2026;19(7):15-22].
ISSN 1554-0200 (print); ISSN
2375-723X (online).
http://www.sciencepub.net/newyork.
03. Doi:
10.7537/marsnys190726.03
Keywords:
Hepatitis B virus; HIV; coinfection; prevalence;
socio-demographic factors; Nigeria; ELISA |
Full Text |
3
|
|
4
|
|
Full Text |
4
|
|
5
|
|
Full Text |
5
|
|
6
|
|
Full Text |
6
|
|
7
|
|
Full Text |
7
|
|
8
|
|
Full Text |
8
|
|
9
|
|
Full Text |
9
|
|
10
|
|
Full Text |
10
|
The manuscripts in
this issue were presented as online first for peer-review.
All comments are
welcome: newyorksci@sciencepub.net,
or contact with
author(s) directly.
For back issues of the
New York
Science Journal, click
here.
Emails: newyorksci@sciencepub.net;
editor@sciencepub.net
Website: http://www.sciencepub.net/newyork
|
