Natural & Applied Sciences

Natural & Applied Sciences Research Papers/Topics

Advancements in Stem Cell Research: Innovations in Regenerative Medicine and Potential Therapies

Advancements in stem cell research have revolutionized regenerative medicine by offering innovative approaches for repairing damaged tissues and treating previously incurable diseases. This paper explores breakthroughs in induced pluripotent stem cells (iPSCs), CRISPR-based gene editing, and organoid development. Key potential therapies include regenerative treatments for neurological disorders, cardiovascular diseases, and diabetes. Despite the promise, ethical challenges, immune rejection, ...

Design and Implementation of an Autonomous Pickup and Delivery System

ABSTRACT An autonomous pickup and delivery system is a system that is automated to perform the traditional/ manual pickup and delivery service with minimal or without need of human intervention. The automatic pickup and delivery system is a system for the transmission of material objects between homes, stores and offices. This provides as much convenience as possible for pickup and deliveries. The aim of this project is to design and implement an autonomous pickup and delivery system by creat...

Ferrofluid / Iron Oxide Nanoparticles Mediated from Plant Materials as a Probable Raw material for Sustainable Aviation Fuel: Pragmatic Based Review, Research Study Evaluation and Prospective

The agenda of the United Nations[1] (under the Sustainable Development Goal[2]) ,the international Energy Agency[3]  , International Civil Aviation Organization amongst other climate change focused organizations are tailored towards addressing the global crisis of climate change mitigation (i.e., depletion of the [4]ozone layer due to the adverse effect of carbon emission activities which has proven to be pungent, lethal, non-degradable[5] with zero socio-economic relevance) which is solely ...

Synthesis and Characterisation of Bioethanol from Sawdust Using Micro Organisms

The increasing global demand for sustainable energy sources has directed attention to biofuel production from renewable resources. This study focuses on the synthesis and characterization of bioethanol from sawdust, an abundant lignocellulosic by-product, using microbial fermentation. Sawdust was pretreated with 0.5 M suphlfuric acid (H2S04) and subjected to microbial fermentation using Saccharomyces cerevisiae. After a week of fermentation at 30°C, the resulting bioethanol was extracted thr...

HYBRIDIZED CONVOLUTIONAL LONG SHORT-TERM MEMORY AND SUPPORT VECTOR MACHINES MODEL FOR VIOLENCE DETECTION IN SURVEILLANCE FOOTAGE

There has been widespread use of Closed-circuit Television (CCTV) surveillance cameras in both public and private settings to increase security. The bitrate for an FHD (Full High Definition) camera operating at thirty frames per second (30 fps) with moderate compression is eight megabits per second (Mbps). Based on the assumption of this bitrate and a twenty-four-hour recording period, the approximate daily data output of a single FHD camera would then amount to approximately eighty-six Gigab...

PHYTOCHEMICAL ANALYSIS AND ANTIMICROBIAL SCREENING OF THE ROOT

The increasing resistance of microorganisms to conventional antibiotics has heightened the need to explore alternative sources of antimicrobial agents. This study aimed to investigate the phytochemical constituents and antimicrobial properties of the root extract of [Plant Name]. Phytochemical analysis was performed using standard methods to detect secondary metabolites such as alkaloids, tannins, saponins, flavonoids, and glycosides. The antimicrobial activity of the root extract was assesse...

ASSESSMENT OF DOSE-DEPENDENT EFFECT OF ETHANOLICEXTRACT OF COCOS NUCIFERA HUSK ON ACTIVITIES OFENZYMIC ANTIOXIDANT IN STREPTOZOTOCIN-INDUCED TYPE 2 DIABETES IN FEMALE WISTAR RAT

The global expenditure on diabetes related health care is an estimated USD760 billion a year. Diabetes is one of the leading causes of death in the world and about six deaths per minute are attributable to diabetes complications. In 2019 approximately 1.5 million deaths occur from diabetes annually, As of 2019, an estimated 463 million people had diabetes worldwide accounting for 8.8% of the adult population, diabetes is the 7th leading cause of death globally. Diabetes is a chronic metabolic...

Detection of Haemolysin and Tetracycline Resistance Genes in Listeria ivanovii isolated from Foods

Listeria ivanovii is an important pathogen that is associated with foodborne diseases. It is responsible for listeriosis in animals, and sporadic cases are present in humans. Drug resistance and virulence among pathogens has been a global health management challenge. This research examined Listeria ivanovii from a few food items for the presence of haemolysin and tetracycline resistance gene. Twenty-five samples each of beef, chicken, lettuce, and cabbage were gathered from four separate loca...

Occurrence of Listeria species in some Food items Sold in Parts of Kaduna, Nigeria

ABSTRACTListeriosis is a disease of humans and animals cause by pathogenic Listeria species and are associated with various types of food items of both animals and plants origin. The aim of this work was to assess the occurrence of Listeria species in some foods items sold from four selected markets in two Local Government Areas of Kaduna State. A total number of 400 samples were collected, 100 samples each from the four locations comprising 25 sample each of beef, chicken, lettuce and cabbag...

GROUNDWATER INVESTIGATION OF LADIRIN ESTATE, ABEOKUTA, OGUN STATE USING VERTICAL ELECTRICAL SOUNDING (VES) RESISTIVITY METHOD

Abstract The study aims to investigate the groundwater potential in Ladirin Estate, Abeokuta, Ogun State, Nigeria, using Vertical Electrical Sounding (VES) resistivity methods. The research focuses on characterizing the subsurface layers, identifying aquifers, and determining the best locations for boreholes. Fifteen VES points were evaluated, and the resistivity data was analyzed using Winresist software. The results revealed five geoelectric layers: topsoil, sand/lateritic sand, dry sand, a...

Agricultural land use and its implications on household food security in Kisii Central Sub-County, Kenya

Agricultural land is an important resource for farm households as it forms the base for their livelihoods. Therefore, the manner in which households utilize this resource influences to a large extent their food security situation. This study sought to establish the impact of agricultural land use on household food security in Kisii Central sub-County, Kisii County. To achieve this objective the study focused on the following; examination of the various land use activities, assessment of the f...

Quality Characteristics of Fruit Jams and Marmalades Containing Gum Arabic Fromacacia Senegal Var. Kerensis

Jams and marmalades are some of the most popular fruit products because of their low cost, all year long availability and appealing sensory properties. These products are described as gels with pectin as the gelling agent used in its formulation. Gels are a form of matter intermediate between a solid and liquid consisting of polymeric molecules cross-linked to form tangles. Under mechanical stress, pectin gels may be damaged leading to the release of colloidal water termed as syneresis. This ...

Optimization of brewing, processing conditions and their effects on the chemical and sensory quality of purple-leafed Kenyan tea

The Tea Research Institute (TRI) developed TRFK 306 tea clone which is rich in anthocyanin as a strategy to diversify Kenyan teas. TRFK 6/8 was used as a control in the study being a standard clone used at the TRI. TRFK 306 can be utilized non-processed but there is no well researched, documented data on the best brewing conditions. Consumers add edible acids to its brew to improve the colour and taste but information on the acid effect is scanty. Information on the quality of products manufa...

A longitudinal examination of mothers’ and fathers’ social information processing biases and harsh discipline in nine countries

Abstract/Overview This study examined whether parents’ social information processing was related to their subsequent reports of their harsh discipline. Interviews were conducted with mothers (n = 1,277) and fathers (n = 1,030) of children in 1,297 families in nine countries (China, Colombia, Italy, Jordan, Kenya, the Philippines, Sweden, Thailand, and the United States), initially when children were 7 to 9 years old and again 1 year later. Structural equation models showed that parents’ ...

Individual, family, and culture level contributions to child physical abuse and neglect: A longitudinal study in nine countries

Abstract/Overview This study advances understanding of predictors of child abuse and neglect at multiple levels of influence. Mothers, fathers, and children (N = 1,432 families, M age of children = 8.29 years) were interviewed annually in three waves in 13 cultural groups in nine countries (China, Colombia, Italy, Jordan, Kenya, Philippines, Sweden, Thailand, and the United States). Multilevel models were estimated to examine predictors of (a) within-family differences across the three time ...


1 - 15 Of 8880 Results