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New York Science Journal
(N Y Sci J)
ISSN 1554-0200 (print); ISSN 2375-723X (online),
doi prefix: 10.7537, Monthly
Volume 19 -
Number 8 (Cumulated No. 210); August 25, 2026
Cover (pdf),
Cover,
Introduction,
Contents,
Call for
Papers
The following manuscripts are presented as online first for peer-review, starting from August 2, 2026.
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CONTENTS
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No.
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Titles /
Authors /Abstracts
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Full Text
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No.
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1
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Viral Load and Socio-Demographic Factors on
Hepatitis B Virus (HBV) and Hepatitis C Virus (HCV) Coinfection
in HIV-Infected Individuals in Calabar Metropolis, Cross River
State, Nigeria
1Omang, P. A, 2Okonko,
B. J, 2Enya, E., 4Okerentugba, P. O. &
4Okonko, I. O.
1Department
of Microbiology, University of Calabar, Calabar, Nigeria.
2Medical
Microbiology & Epidemiology Research Unit, Department of
Microbiology, Madonna University Nigeria, Elele, Rivers State,
Nigeria.
3Department
of Microbiology, Michael Okpara University of Agriculture,
Umudike, Abia State, Nigeria
4Virus
& Genomics Research Unit, Department of Microbiology, University
of Port Harcourt, Choba, Nigeria
Corresponding author’s email: piusomang123@gmail.com.
Abstract:
HIV/AIDS remains a significant public health issue globally,
especially in sub-Saharan Africa. In Nigeria, high HIV
prevalence has driven numerous health interventions and studies
due to associated morbidities. Coinfections with HBV and HCV are
common among HIV-positive individuals, complicating clinical
management and accelerating disease progression. These
infections share similar transmission routes, such as sexual
contact and intravenous drug use. This study aimed to determine
the impact of viral load and socio-demographic factors on HBV
and HCV coinfection in HIV-positive patients in Calabar
Metropolis, Cross River State, Nigeria. This was a
cross-sectional study involving 200 patients diagnosed with HIV
attending an ART clinic at Dr. Henshaw Memorial Hospital, IDH,
Calabar. The demographic data were obtained using a
questionnaire. Serum samples were tested for the detection of
HBsAg and HCV using ELISA kits. The results show that HBV
coinfection was 28%. The prevalence was higher in females (29%)
and individuals aged >65 years (57.1%). No cases of HCV
infection were detected in the study population. Analysis by
viral load revealed that individuals with a viral load of 200+
copies/ml had the highest HBV coinfection rate (43.2%), followed
by those with 21–75 copies/ml (29.5%), 76–199 copies/ml (13.3%),
and <20 copies/ml (26%), this means that individuals with higher
HIV viral loads are more susceptible to HBV coinfection.
Unemployed patients were also more infected with HBV (54%).
Based on marital status, widows and divorcees had a higher HBV
prevalence (14.3%). The prevalence was higher in students
(16.7%) and patients with a primary education background (25%).
The absence of HCV coinfection in the study population suggests
either a lower exposure rate or effective management of HCV in
this region. Regular screening for HBV should be integrated into
the routine care of people living with HIV/AIDS, especially for
high-risk groups such as older individuals and those with higher
viral loads.
[Omang, P. A, Okonko, B. J., Enya,
E., Okerentugba, P. O. & Okonko, I. O. Viral
Load and Socio-Demographic Factors on Hepatitis B Virus (HBV)
and Hepatitis C Virus (HCV) Coinfection in HIV-Infected
Individuals in Calabar Metropolis, Cross River State, Nigeria.
N Y
Sci J
2026;19(8):1-6]. ISSN 1554-0200
(print); ISSN 2375-723X (online).
http://www.sciencepub.net/newyork.
01. Doi:
10.7537/marsnys190826.01.
Keywords:
HIV/AIDS; Hepatitis B; Hepatitis C; Coinfection; Viral Load;
Socio-demographics; Calabar; Nigeria |
Full Text |
1
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2
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ASSESSMENT OF
PESTICIDE RESIDUES IN WATER AND SEDIMENTS OBTAINED FROM RIVER
TARABA IN TELLA TARABA STATE,NIGERIA
ENEJI I. S, LULLAH
– DEH J.A, ANDE S, AGBENDEH Z. M .
DEPARTMENT OF
CHEMISTRY ,COLLEGE OF PHYSICAL SCIENCES ,JOSEPH SARWUAN TARKA
UNIVERSITY, MAKURDI
E-mail:
ishaqeneji@gmail.com
E-mail:japhetlullah@gmail.com
Abstract:The
contamination of pesticides in water and sediments from
River Taraba was investigated to evaluate/determine the
contamination status and potential hazard in the river. A
total of twelve samples were collected and analyzed using GC
7890B, MSD 5977A. Statistical analysis revealed that the
mean concentrations of pesticide residues in water samples
ranged from 0.182 ± 0.031 - 2.48 ± 0.098 mg/L, while in
sediments ranged from 1.17 ± 1.3 - 47.7 ± 29.4 mg/kg. The
pesticides risk assessment in water recorded 80.0 % high
risk, 6.70 % medium and 13.3 low risks respectively, while
the pesticides risk assessment in sediments recorded 88.9%
high risk and 11.1 % medium risk. The results of the RQ
revealed that the RQ values in sediments were generally
higher than the RQ values obtained in water. This could be
attributed to the fact that sediments serve as natural sink
to chemical substances. Therefore, there should be periodic
assessment of water and sediments along the river to provide
a baseline data and critical information to encourage
effective monitoring for maximum utilization of the water
resources.
[ENEJI I. S,
LULLAH – DEH J.A, ANDE S, AGBENDEH Z. M.
ASSESSMENT OF
PESTICIDE RESIDUES IN WATER AND SEDIMENTS OBTAINED FROM
RIVER TARABA IN TELLA TARABA STATE,NIGERIA.
N Y Sci J
2026;19(8):7-24]. ISSN 1554-0200
(print); ISSN 2375-723X (online).
http://www.sciencepub.net/newyork.
02. Doi:
10.7537/marsnys190826.02
Key words:
Pesticides; Contaminants; Risk quotient; Sediments |
Full Text |
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3
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DEVELOPMENT AND EVALUATION OF UNDISTURBED SOIL SAMPLER FOR SOIL
CORE ANALYSIS
Aminu Junaidu1;
Istifanus Akila Bardey2; Ogwuche Christian Ike3
and Garkuwa Haruna3
1.Department
of Civil Engineering,
Faculty of Engineering, Taraba State University, P.M.B. 1167,
Jalingo, Nigeria.
2.Department of Agricultural and
Bio-Resources Engineering, Faculty of Engineering, Taraba State
University, P.M.B. 1167, Jalingo, Nigeria.
3.Department of Mechanical
Engineering, Faculty of Engineering, Taraba State University,
P.M.B. 1167, Jalingo, Nigeria.
Abstract:
Soil sampling and testing are vital operations in the field of
agronomy and geotechnics; as they are important means by which
soil fertility and changes taking place within soils subjected
to structural loads can be assessed. Also, the most reliable
means by which the integrity of reclamation or remediation
practices on soils can be assessed is by sampling and testing.
However, the reliability of soil samples as true representation
of the soil natural state depends on the nature of the
undisturbed soil sampler used. In this study, undisturbed soil
sampler was designed, fabricated and tested to provide an index
for the soil core analysis in terms of the soil’s bulk density.
The undisturbed soil sampler was fabricated by using a
combination of 5 mm stainless steel and mild steel plates and
operates on the principle of impact induced by screw jack. The
sampler was tested on the field of the Faculty of Engineering in
terms of the variability of the soil’s bulk densities with
different depth ranges of the soil profile. Such results will
help in validating the reliability of soil samples obtained with
the undisturbed soil sampler, as a true representation of the
condition of the soils in the site. This will provide accurate
soil test results in terms of the determination of engineering
properties of such soils in-situ.
[Aminu Junaidu; Istifanus, Akila Bardey; Ogwuche Christian Ike
and Garkuwa Haruna.
DEVELOPMENT AND EVALUATION OF UNDISTURBED SOIL SAMPLER FOR SOIL
CORE ANALYSIS.
N Y Sci J
2026;19(8):25-30]. ISSN 1554-0200
(print); ISSN 2375-723X (online).
http://www.sciencepub.net/newyork.
03. Doi:
10.7537/marsnys190826.03
Keywords:
Undisturbed; Sample; Core; Bulk Density |
Full Text |
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4
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Comparative
UV-Visible
and Photoluminescence,
analysis
of
PVA/TiO2,
PVA/ZrO2
and PVA/TiO2/ZrO2
Composites
1 Dr
Jyotsna Chauhan, 2akansha
mehto, 3Shaswat Chauhan
1Professor
in RGPV, 2Research scholar,3 BITS Pilani
GOA (electrical)
Abstract: To
synthesize and characterize uniform and stable PVA-based
composite membranes incorporating TiO₂ and ZrO₂ nanoparticles
(PVA/TiO₂, PVA/ZrO₂, and PVA/TiO₂/ZrO₂) using the solution
casting method. And investigate the structural, morphological,
surface chemistry and optical properties
of these
composite
membranes through
advanced
characterization techniques encompassed X-ray diffraction (XRD)
study, UV-visible absorption spectroscopy, photoluminescence
(PL) spectroscopy, transmission
electron
microscopy (TEM),
Fourier-transform infrared (FTIR)
spectroscopy, and atomic force microscopy (AFM) analysis and
develop hybrid membranes that exhibit more improved
characteristics because of composites versatile properties
resulting from the combining of two inorganic structural
components with polymer. These characteristics offer an
appealing choice for a range of applications.
[Dr Jyotsna Chauhan, akansha mehto, Shaswat Chauhan.
Comparative
UV-Visible
and Photoluminescence,
analysis
of
PVA/TiO2,
PVA/ZrO2
and PVA/TiO2/ZrO2
Composites. N
Y Sci J 2026;19(8):35-49]. ISSN
1554-0200 (print); ISSN 2375-723X (online).
http://www.sciencepub.net/newyork.
04. Doi:
10.7537/marsnys190826.04
Keywords: photoluminescence (PL) spectroscopy; nanoparticles;
XRD |
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BETA-LACTAMASE PRODUCTION AND PLASMID PROFILING OF ANTIBIOTIC
RESISTANT WOUND ISOLATES FROM PATIENTS ATTENDING UNVERSITY
COLLEGE HOSPITAL IBADAN.
MSC RESEARCH WORK
SOYINKA GRACE IYABO.
DEPT OF MEDICAL MICROBIOLOGY AND PARASITOLOGY UNIVERSITY COLLEGE
HOSPITAL IBADAN
DR. OLUDELE MATHEW AKINLEYE.
DEPARTMENT OF MEDICAL MICROBIOLOGY AND PARASTIOLOGY
OLABISI ONABANJO UNIVERSITY, AGO - IWOYE, OGUN STATE, NIGERIA.
RAMONI TIAMIYU ADEBISI 1,
DEPARTMENT OF BIOLOGICAL SCIENCE,
LEAD CITY UNIVERSITY, IBADAN.
DR. BUSAYO M. OLOWE
AG. DEAN, SCHOOL OF LIFE SCIENCES
COLLEGE OF SCIENCE
BAMIDELE OLUMILUA UNIVERSITY OF EDUCATION SCIENCE AND TECHNOLOGY
IKERE EKITI, EKITI STATE NIGERIA,
OLOWE.BUSAYO@BOUESTI.EDU.NG
SURPERVISOR
Abstract:
Background: Wound Infections Have Been A Problem In The Field Of
Medicine For A Long Time Due To The Emergence And Re-Emergence
Of Drug Resistance. The Assessment Of Beta-Lactamase Production,
Plasmid Profiling And Corresponding Resistance Pattern In The
Local Terrain Become Important For A Proper Understanding Of
Wound Infection Burden And Its Epidemiology. The Study Aimed To
Assess Beta-Lactamase Production Among Multidrug-Resistant Wound
Isolates From Patients Attending University College Hospital
(Uch), Ibadan. Methods: Sample Size Of 370 Was Determined Using
The Cochran Formula. Exudates From Wounds Were Collected With
Sterile Swab Sticks, Isolation And Identification Were Performed
Using Standard Procedures. Antimicrobial Susceptibility Testing
Was Carried Out Using The Kirby-Bauer Disc Diffusion Method,
Beta Lactamase Production Was Carried Out Using The Starch
Iodide Acidimetric Method. Double Disc Synergy Test And
Combination Disk Were Used For Extended–Spectrum Beta-Lactamases
(Esbl) And Metallo-Beta-Lactamase (Mbl) Detection Respectively.
Plasmid Curing Of Two Beta-Lactamase Procedures Was Carried Out
Using Sodium Dodecyl Sulphate (Sds). After Which, Post-Curing
Antibiotics Susceptibility Testing Was Performed. Results:
Result Shows 339 Isolates Of Which 56.9% Were
Multidrug-Resistant. Beta-Lactamase Producers Were 60.7% From
Which 5% And 14% Were Positive For Esbl And Mbl Test. Same
Resistance Pattern To The Antibiotics Was Observed In
Plasmid-Cured Isolates, Meaning That Their Resistance Was Not
Plasmid-Mediated. Conclusion: The Establishment Of
Beta-Lactamase Producing Capacity In The Wound Isolates In This
Study Will Help Clinicians In The Appropriate Treatment Of Wound
Infections.
[SOYINKA GRACE IYABO.
BETA-LACTAMASE PRODUCTION AND PLASMID PROFILING OF ANTIBIOTIC
RESISTANT WOUND ISOLATES FROM PATIENTS ATTENDING UNVERSITY
COLLEGE HOSPITAL IBADAN.
N Y Sci J
2026;19(8):50-104]. ISSN 1554-0200
(print); ISSN 2375-723X (online).
http://www.sciencepub.net/newyork.
05. Doi:
10.7537/marsnys190826.05.
Keywords:
Beta-Lactamase-Producing；Organisms;
Multidrug-Resistance; Wound Infection; Microorganisms
Plasmid-Profiling |
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Variations
and Trends of Main Climatic Indicators in the Mirzachul Region
During 1991–2020
Ilkhom E.
Karimov¹, Shakhzoda I. Mukhtorova², Sunnatulla O. Ibragimov³*¹
PhD, Associate
Professor, Jizzakh State Pedagogical University, Jizzakh,
Uzbekistan.
² PhD Student, Department of Natural Geography, National
University of Uzbekistan, Tashkent 100174, Uzbekistan.
³ Database Manager, Registrar Office; Lecturer, Department of
Natural Sciences, Uzbekistan State World Languages University,
21A Kichik Halqa Yuli Street, Tashkent 100138, Uzbekistan.
Abstract:
The Mirzachul
region is one of the most important irrigated lowland areas of
Uzbekistan, where climatic conditions directly influence land
and water resource use, agricultural sustainability, and the
development of natural-geographical processes. This study
analyzes the seasonal characteristics, interannual variability,
and long-term trend directions of the main climatic
indicators—air temperature, precipitation, relative humidity,
and wind speed—in the Mirzachul region during 1991–2020. The
research is based on long-term observational data from the
Jizzakh, Dostlik, Gulistan, and Syrdarya meteorological
stations. Observational records of the Hydrometeorological
Service of the Republic of Uzbekistan and the official 1991–2020
climatic normals were used as the primary data sources, while
NASA POWER data were applied only as an auxiliary comparative
source. The results show that the air temperature regime of the
Mirzachul region is characterized by a high continental
amplitude, with a positive tendency in annual mean temperature
observed at all selected stations. The precipitation regime is
distinguished by strong interannual variability and pronounced
seasonal unevenness rather than by a stable directional trend.
For relative humidity, the main signal is expressed through the
seasonal contrast between a relatively humid winter period and a
markedly dry summer period. The wind regime shows relatively
stable mean wind speeds; however, maximum wind speeds indicate
an increasing tendency at several stations. Overall, the modern
climatic character of the Mirzachul region during 1991–2020 can
be described as warming, seasonally dry, and highly continental.
[Ilkhom E. Karimov,
Shakhzoda I. Mukhtorova, Sunnatulla O. Ibragimov.
Variations and Trends of Main Climatic Indicators in the
Mirzachul Region During 1991–2020.
N Y Sci J
2026;19(8):105-114]. ISSN 1554-0200
(print); ISSN 2375-723X (online).
http://www.sciencepub.net/newyork.
06. Doi:
10.7537/marsnys190826.06.
Keywords:
climate trend; Mirzachul; precipitation variability; relative
humidity; temperature; wind speed. |
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The manuscripts in
this issue were presented as online first for peer-review.
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welcome: newyorksci@sciencepub.net,
or contact with
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