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Articles 301 - 330 of 3189

Full-Text Articles in Biotechnology

Isolation And Characterization Of Lignin From Oil Palm Shells Using A Precipitation Method With Sulfuric Acid And Polyaluminum Chloride As Coagulant, Eny Kusrini, Ria Yolanda Arundina, Anwar Usman, Resti Marlina, Bambang Subiyanto, Volkan Degirmenci, Nofrijon Sofyan, Yudan Whulanza Nov 2024

Isolation And Characterization Of Lignin From Oil Palm Shells Using A Precipitation Method With Sulfuric Acid And Polyaluminum Chloride As Coagulant, Eny Kusrini, Ria Yolanda Arundina, Anwar Usman, Resti Marlina, Bambang Subiyanto, Volkan Degirmenci, Nofrijon Sofyan, Yudan Whulanza

AUIQ Complementary Biological System

Lignin has useful and significant properties such as stiffness, resistance to UV radiation, antioxidant, antimicrobial, high thermal stability, and high carbon content. Due to these properties, lignin can be used for several applications including wood adhesive, carbon-based material, and can be developed as a functional material composite. Isolation and utilization of lignin from lignocellulosic biomass offers significant opportunities in various now and future industrial applications mainly for development advanced materials. In this study, isolation and characterization of lignin from oil palm shells (OPS) was conducted. Lignin was isolated from OPS using the precipitation method with sulfuric acid and coagulation using …


Analysing Sound Characteristics Of Cello And Violin Using Fast Fourier Transform, Sinin Hamdan, Khairul Anwar Mohamad Said, Ahmad Faudzi Musib, Marini Sawawi, Aaliyawani Ezzerin Sinin Nov 2024

Analysing Sound Characteristics Of Cello And Violin Using Fast Fourier Transform, Sinin Hamdan, Khairul Anwar Mohamad Said, Ahmad Faudzi Musib, Marini Sawawi, Aaliyawani Ezzerin Sinin

ASEAN Journal on Science and Technology for Development

The unique sound characteristics of music are based on multiple harmonic frequencies that exist within the sound waves. Through Fast Fourier Transform (FFT) software, the wave can be broken down into frequency and amplitude components. Spectrum analysis can be used quantitatively to describe these sound characteristics. In this paper, the frequency range present in the spectrum and the average intensity of the first 10 high notes in the sound are used to classify the sound characteristics of the cello and violin. This is done by generating a frequency (x-axis) and amplitude (y-axis) graph for the sounds of the cello and …


Exploring Pcat3 Expression In Arthritis: Proinflammatory Marker Patterns And P53 Involvement, Aida H. Alobaidi, Entkhab M. A. Alanisi, Khalid A. Alyodawi Nov 2024

Exploring Pcat3 Expression In Arthritis: Proinflammatory Marker Patterns And P53 Involvement, Aida H. Alobaidi, Entkhab M. A. Alanisi, Khalid A. Alyodawi

AUIQ Complementary Biological System

This study investigated the role of long non-coding RNA (lncRNA) PCAT3 in arthritis, focusing on its impact on proinflammatory markers. Researchers analyzed both mRNA and protein levels of various proinflammatory markers (TNF-α, IL-1β, IL-4, IL-6, IL-8, IL-10, and IL-13) in arthritis patients and compared them to healthy controls. Additionally, PCAT3 expression was assessed in both patient groups and further investigated using siRNA knockdown in the human synovial cell line SW982. Results revealed distinct expression patterns of proinflammatory markers in arthritis patients, with TNF-α and IL-6 showing the highest levels. PCAT3 expression was significantly elevated in arthritis patients compared to controls. …


Clinical Outcomes Of Isoniazid Preventive Therapy Amongst Persons Living With Hiv Attending A Referral Hospital: A Cross-Sectional Study, Mwaka Dick Odong, Wafula Bossa, Muhwezi Loyce, Nangobi Christine Faith, Mbusa Chrispus, Bontu Aschale Abebe, Daniel Chans Mwandah, Silas Ojuka, Tadele Mekuriya Yadesa Nov 2024

Clinical Outcomes Of Isoniazid Preventive Therapy Amongst Persons Living With Hiv Attending A Referral Hospital: A Cross-Sectional Study, Mwaka Dick Odong, Wafula Bossa, Muhwezi Loyce, Nangobi Christine Faith, Mbusa Chrispus, Bontu Aschale Abebe, Daniel Chans Mwandah, Silas Ojuka, Tadele Mekuriya Yadesa

AUIQ Complementary Biological System

Tuberculosis (TB) is the most common opportunistic infection amongst persons living with HIV (Human Immunodeficiency Virus) (PLWHIV). World Health Organisation recommends tuberculosis preventive therapy (TPT) to avert the effects of TB/HIV co-infection. This study aimed at determining the incidence of active tuberculosis infection, assessing the burden of adverse drug events (ADEs) and identifying the associated factors. In this study, records of 379 patients who started isoniazid preventive therapy at Mbarara Regional Referral Hospital (MRRH) between 1st July, 2017 and 30th June, 2022 were retrospectively reviewed. Data was analyzed using a statistical software (SPSS version 20.0) and presented using …


Use Of Electrical Bone Growth Stimulators In High-Risk Patients Following Spinal Fusion, Soumya Malhotra, Khavir Sharieff Nov 2024

Use Of Electrical Bone Growth Stimulators In High-Risk Patients Following Spinal Fusion, Soumya Malhotra, Khavir Sharieff

HCA-NSU MD Research Day

Title: Use of Electrical Bone Growth Stimulators in High-Risk Patients Following Spinal Fusion Authors: Soumya Malhotra, BA., MS1 & Khavir Sharieff, DO, MBA2 1Class of 2027, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Fort Lauderdale, FL 2Assistant Professor of Surgery, Nova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine, Tampa Bay, FLNova Southeastern University Dr. Kiran C. Patel College of Osteopathic Medicine Objective: This study aimed to elucidate the advantages of EBGSs following high-risk spinal fusions. Background: Pseudarthrosis is a condition where bones fail to fuse after an injury or surgery. It causes significant …


The Effects Of Wildfires On The Mental And Physical Health Of School-Age Children In North America: A Scoping Review, Sarah Oerther, Sarah Manspeaker, Alison Wix, Daniel Oerther, Carmen Marsit Nov 2024

The Effects Of Wildfires On The Mental And Physical Health Of School-Age Children In North America: A Scoping Review, Sarah Oerther, Sarah Manspeaker, Alison Wix, Daniel Oerther, Carmen Marsit

Civil, Architectural and Environmental Engineering Faculty Research & Creative Works

Background: Wildfires are occurring more often and with greater intensity, leading to longer and harsher fire seasons. As a result, children are more frequently exposed to wildfire smoke, which increases their risk of mental and physical health effects. Purpose: The purpose of our scoping review is to explore the current literature on what is known about the direct and indirect impacts of wildfires on the mental and physical health of school-age children in North America (5 to 18-year-olds). Methods: A health sciences librarian-assisted literature search, with input from the research team, was performed. Results: A total of 16 studies were …


Evaluating Uv-Protective Low-Emissivity Window Films: Implications For Thermal And Visual Comfort In Luminous Office Buildings, Lina M. Shaker Oct 2024

Evaluating Uv-Protective Low-Emissivity Window Films: Implications For Thermal And Visual Comfort In Luminous Office Buildings, Lina M. Shaker

AUIQ Complementary Biological System

This review article explores the integration of thin window films and solar energy systems to enhance thermal comfort in luminous office buildings. Luminous office buildings, which prioritize natural lighting, often face challenges in maintaining thermal comfort for occupants. By integrating solar energy systems, such as photovoltaic (PV) and solar thermal systems, with thin window films, it is possible to optimize thermal comfort while harnessing sustainable energy sources. Thin window films act as a barrier against solar radiation, reducing heat gain while allowing therapeutic blue light (400-520nm) transmission. The advantages of thin window films include improved thermal insulation, glare reduction, and …


A Review Of Biomass-Based Natural Coagulants For Water Pollution Remediation: Impact Of Properties And Coagulation Operational Parameters, Nur Faizzah Husna Mohammad Ali, Megat Ahmad Kamal Megat Hanafiah, Sabiha Hanim Saleh, Mohd Tajudin Mohd Ali, Shariff Ibrahim Oct 2024

A Review Of Biomass-Based Natural Coagulants For Water Pollution Remediation: Impact Of Properties And Coagulation Operational Parameters, Nur Faizzah Husna Mohammad Ali, Megat Ahmad Kamal Megat Hanafiah, Sabiha Hanim Saleh, Mohd Tajudin Mohd Ali, Shariff Ibrahim

AUIQ Complementary Biological System

The rapid growth of cities, industries, and population has made tackling water scarcity increasingly challenging as the global demand for clean drinking water continues to rise. Consequently, extensive research in water and wastewater treatment, specifically focusing on the coagulation process, has ensued. Coagulation plays a critical role in water treatment, and its effectiveness depends on the type of coagulant used. However, the widespread use of chemical coagulants raises concerns for the environment and public health. Consequently, there has been growing interest in exploring natural alternatives derived from plants and animals. This review examines how the properties of natural coagulants, as …


Hepatic Targets To Control Blood Glucose And Potentially Aid In The Treatment Of Diabetes, Rena A. Velissarios Oct 2024

Hepatic Targets To Control Blood Glucose And Potentially Aid In The Treatment Of Diabetes, Rena A. Velissarios

PANDION: The Osprey Journal of Research and Ideas

Maintaining glucose homeostasis is extremely important to remain in good health and prevent disease. This homeostasis is achieved via the regulation of hepatic metabolic pathways like gluconeogenesis and glycogenesis by insulin, which is expressed during high blood glucose. Insulin is responsible for facilitating the uptake of glucose into other tissues from the blood, as well as signaling whether to stimulate or slow glucose metabolism in the liver. Hyperglycemia is one of the main effects of diabetes, a disease characterized by the body’s inability to produce or respond to insulin. Without insulin, hepatic glucose output continues and blood glucose accumulates, causing …


An Experiment Study On Implementing Syngas On A Small Generator Set, Bui Van Chinh, Khong Vu Quang, Khanh Nguyen Duc Oct 2024

An Experiment Study On Implementing Syngas On A Small Generator Set, Bui Van Chinh, Khong Vu Quang, Khanh Nguyen Duc

ASEAN Journal on Science and Technology for Development

This paper presents an experiment on syngas's influence on the performance and pollutant characteristics of a mechanical diesel engine generator set. Using syngas as an external fuel is good for medium and light loads of less than 80%. While a moderate substitution of syngas will contribute to good performance at high loads, a larger level of syngas provided may degrade engine performance. The brake-specific energy consumption rises as the replacement syngas flow increases. Using syngas as an external fuel to substitute for a part of the diesel might cause the engine to perform unstablely. The more syngas replacements, the greater …


Advances In Biomedical Research And Treatments: What Is Acceptable?, Michael L. Clancy, Khalid M. Iskandarani, Mitchell C. Mccrea Oct 2024

Advances In Biomedical Research And Treatments: What Is Acceptable?, Michael L. Clancy, Khalid M. Iskandarani, Mitchell C. Mccrea

Journal of Health Ethics

This study investigated the technology acceptance (TA) of twenty-first century biomedical treatments by adults in the United States. A new TA instrument was created, using five distinct levels: (1) Healing and Prevention, (2) Replacement Organs, (3) Enhancements-Medical, (4) Enhancements-Discretionary, and (5) Transhumans. An on-line survey produced 353 usable responses, which showed distinct patterns for each of five biomedical treatment levels. There was clear support for Levels 1–3, but very strong opposition to Levels 4–5. The TA finding draws the line between which human interventions are acceptable versus others that should be prohibited through public policies and medical guidelines.


Formulation And Evaluation Of In-Vitro Anti-Cancer Activity Of Iron Nanoparticles On Mcf-7 & A-475 Cells, Sarad Pawar Naik Bukke, Arigela Bharathi, Tenpattinam Shanmugam Saraswathi, Yenumula Nettikallu, Shanmugam Vippamakula Sep 2024

Formulation And Evaluation Of In-Vitro Anti-Cancer Activity Of Iron Nanoparticles On Mcf-7 & A-475 Cells, Sarad Pawar Naik Bukke, Arigela Bharathi, Tenpattinam Shanmugam Saraswathi, Yenumula Nettikallu, Shanmugam Vippamakula

AUIQ Complementary Biological System

Nanomedicine is an interdisciplinary field within the developing nano medication delivery system. Ayurveda, a traditional form of healing, employs nanoparticles known as Bhasmas. Nanoparticles can be selectively designed to simultaneously deliver many medications. This innovative functionality enables meticulous regulation of drug release, therefore obviating the necessity for intricate dosing schedules. This enhances patient compliance with treatment. The aim of this work is to synthesise iron nanoparticles using an environmentally friendly process, evaluate the quality of the produced nanoparticles, and examine their possible anti-cancer properties by in-vitro experimental testing utilizing MCF-7 and A-475 cell lines. To produce neem leaf extract, fresh …


Antimicrobial Properties Of Jasminum Sambac Linn Leave Extract On Selected Oral Associated Pathogen, Sarah Saiful Rizal, Wan Razarinah Wan Abdul Razak Sep 2024

Antimicrobial Properties Of Jasminum Sambac Linn Leave Extract On Selected Oral Associated Pathogen, Sarah Saiful Rizal, Wan Razarinah Wan Abdul Razak

AUIQ Complementary Biological System

Traditional medicine using Jasminum leaves to treat oral health problems is expected due to easy access. Furthermore, due to the rising issue of antibiotic resistance, discovering a natural antibiotic that can effectively replace synthetic antibiotics would be valuable as natural antibiotics can cover the benefits, challenges, and future development. This study aims to assess the antimicrobial properties of ethanolic and aqueous extracts of Jasminum sambac L. leaves at the concentration of 50, 150, and 250 mg/ml against E. coli ATCC 25922, P. aeruginosa ATCC 10145, S. aureus ATCC 33591 and B. cereus ATCC 11778, C. albicans ATCC 10231 and A. …


Potential Of Critical Mineral And Cytotoxicity Activity Of Gadolinium Complex As Anti-Amoebic Agent By Viability Studies And Flow Cytometry Techniques, Eny Kusrini, Fatimah Hashim, Azrina Aziz, Muhamad Fairus Noor Hassim, Anwar Usman, Lee D. Wilson, El-Sayed Negim, Agus Budi Prasetyo Sep 2024

Potential Of Critical Mineral And Cytotoxicity Activity Of Gadolinium Complex As Anti-Amoebic Agent By Viability Studies And Flow Cytometry Techniques, Eny Kusrini, Fatimah Hashim, Azrina Aziz, Muhamad Fairus Noor Hassim, Anwar Usman, Lee D. Wilson, El-Sayed Negim, Agus Budi Prasetyo

AUIQ Complementary Biological System

The screening of lanthanide as a critical mineral and used as an anti-amoebic agent is important to identify the safest method and mode of cell death to eliminate this microorganism from the host. In this study, gadolinium ion (Gd3+) that complexed with a short acyclic triethylene glycol (EO3) and in the presence of picric acid (HPic) as counter anion for anti-amoebic activity was explored. The trivalent Gd3+ complexed with EO3 and HPic via one-pot synthesis reaction using a mole ratio of gadolinium nitrate salt, EO3 ligand and HPic in a mole ratio 1:3:4 to produce [Gd(Pic)2 …


Synergistic Effects Of Biological Stimuli And Flexion Induce Microcavities Promote Hypertrophy And Inhibit Chondrogenesis During In Vitro Culture Of Human Mesenchymal Stem Cell Aggregates, Bo Zhang, Jim Berilla, Sungwoo Cho, Rodrigo A. Somoza, Jean F. Welter, Harihara Baskaran Sep 2024

Synergistic Effects Of Biological Stimuli And Flexion Induce Microcavities Promote Hypertrophy And Inhibit Chondrogenesis During In Vitro Culture Of Human Mesenchymal Stem Cell Aggregates, Bo Zhang, Jim Berilla, Sungwoo Cho, Rodrigo A. Somoza, Jean F. Welter, Harihara Baskaran

Faculty Scholarship

Interzone/cavitation are key steps in early stage joint formation that have not been successfully developed in vitro. Further, current models of endochondral ossification, an important step in early bone formation, lack key morphology morphological structures such as microcavities found during development in vivo. This is possibly due to the lack of appropriate strategies for incorporating chemical and mechanical stimuli that are thought to be involved in joint development. We designed a bioreactor system and investigated the synergic effect of chemical stimuli (chondrogenesis-inducing [CIM] and hypertrophy-inducing medium [HIM]) and mechanical stimuli (flexion) on the growth of human mesenchymal stem cells (hMSCs) …


Shining Light On The Invisible: Fluorescent Detection Of Reactive Oxygen Species, Alex Zuo Sep 2024

Shining Light On The Invisible: Fluorescent Detection Of Reactive Oxygen Species, Alex Zuo

Research Colloquium

Background

Reactive oxygen species (ROS) play an important role in cell signaling and homeostasis. However, overproduction of ROS leads to oxidative stress, as well as other related diseases, including cancer, neurodegenerative diseases, and cardiovascular disorders. Conventional ROS detection methods are limited by their low sensitivity and low specificity in real-time measurements. Fluorescent probes can offer valuable tools to detect ROS in biological systems. This study is focused on the detection of ROS formation during hypoxia and reoxygenation.

Methods

We used fluorescence detection techniques to study ROS in isolated rodent skeletal muscle models, which were exposed to alternating hyperoxia and hypoxia. …


Efficient Cold-Active Extremozyme For Aldehydes Monitoring, Georgiana Necula-Petrareanu, Paris Lavin, Alina Vasilescu, Cristina Purcarea Sep 2024

Efficient Cold-Active Extremozyme For Aldehydes Monitoring, Georgiana Necula-Petrareanu, Paris Lavin, Alina Vasilescu, Cristina Purcarea

FRONTIERS UNBOUND: Exploring Extreme Environments

No abstract provided.


Developing Coexpression Systems To Introduce Hydroxyproline Into Protein Engineered Collagen Peptides Utilizing Hydroxylase From Acanthamoeba Polyphaga Mimivirus, Jennifer Soldatich Sep 2024

Developing Coexpression Systems To Introduce Hydroxyproline Into Protein Engineered Collagen Peptides Utilizing Hydroxylase From Acanthamoeba Polyphaga Mimivirus, Jennifer Soldatich

Theses and Dissertations

A major challenge of developing collagen mimetic peptides (CMPs) by bacterial expression is to include hydroxyproline for biomedical applications. Coexpression of Prolyl-4-hydroxylase from A.mimivirus with CMPs was investigated. Additionally, four expression designs were created for potential applications in mammalian cells to utilize their natural ability of proline-hydroxylation by post-translational modification.


Revitalizing Biotechnological Advancement In The United States: Patent Eligibility Reform To Promote Innovation While Preserving Morality, Sydney Virtue Sep 2024

Revitalizing Biotechnological Advancement In The United States: Patent Eligibility Reform To Promote Innovation While Preserving Morality, Sydney Virtue

West Virginia Law Review

Patent protection has long been recognized as a key part of promoting innovation; however, current patent eligibility law in the United States often produces the exact opposite result. While the basic framework for patent eligibility is provided by the Patent Act, the United States Supreme Court has crafted several significant exceptions to patent eligibility—laws of nature, natural phenomena, and abstract ideas. These judicial exceptions have created a crisis in patent law and impeded biotechnological innovation, as they are too vague to be properly confined and carry tests that are too ambiguous for predictable application. To promote and retain world leadership …


A P-Graph Approach For Planning Sustainable Rice Straw Management Networks, Victoria Migo Sumagang Maria, Michael Angelo B. Promentilla Sep 2024

A P-Graph Approach For Planning Sustainable Rice Straw Management Networks, Victoria Migo Sumagang Maria, Michael Angelo B. Promentilla

The Philippine Agricultural Scientist

The Philippines produces up to 15.2 Mt of rice straw waste annually. Unmanaged rice straw waste disposal can lead to pollution from open field burning. On the other hand, rice straw agricultural waste can be used sustainably to produce valuable products such as mushrooms, fodder, pellets, or bioenergy, in a rice straw management system. Such systems can be optimized using Process Integration tools so that the raw materials are used efficiently at the maximum profit and with a minimal carbon footprint. The P-graph framework is an efficient Process Integration tool that solves Process Network Synthesis problems. A P-graph finds the …


Development Of Collagen Mimetic Mini-Fibrils With Tunable Collagenase Susceptibility, Jui Chaugule Sep 2024

Development Of Collagen Mimetic Mini-Fibrils With Tunable Collagenase Susceptibility, Jui Chaugule

Dissertations, Theses, and Capstone Projects

Collagen fibrils are the primary molecular scaffold of all connective tissues and provide the essential support for cell migration and differentiation. Collagen fibrils represent one of the most complex molecular hierarchies: three polypeptide chains in Gly-Xaa-Yaa repeating amino acid sequences, first form the rod-shaped collagen triple helix. These triple helices further self-assemble laterally in a specific manner to form fibrils having the characteristic 67 nm axially repeating structure known as the D-period. Enzymatic digestion of collagen fibrils by matrix metalloproteinases (MMPs) is critical for several physiological processes and is of particular consequence during wound healing. Many of the mechanisms of …


Improving Bovine Intracytoplasmic Sperm Injection, Lauren Gatenby Aug 2024

Improving Bovine Intracytoplasmic Sperm Injection, Lauren Gatenby

LSU Doctoral Dissertations

Despite large efforts, there has been minimal improvements in bovine intracytoplasmic sperm injection (ICSI) in the last few decades. In this study, we investigate methods to improve embryo development rates with ICSI in cattle through addressing sperm and oocyte factors and modifying injection methods. Inducing the acrosome reaction in bull sperm prior to injection with progesterone increased cleavage (46.2% vs 16.2%) and blastocyst (21% vs 3.8%) rates compared to controls, respectively. Supplementing glutathione during in vitro maturation of the oocyte did reduce free reactive oxygen species (ROS) in the oocyte, but did not improve embryo development rates with ICSI or …


Molecular Characterization Of Viral Escape From Art And Crispr Hiv-1 Excision In Infected Humanized Mice, Chen Zhang Aug 2024

Molecular Characterization Of Viral Escape From Art And Crispr Hiv-1 Excision In Infected Humanized Mice, Chen Zhang

Theses & Dissertations

Not available.


Evaluating The Effect Of Plantlet Age And Trichoderma Spp. Application On Acclimatization Of Boehmeria Nivea L. Gaud, Eva Aprilia, Anne Nuraini, Muhamad Kadapi Aug 2024

Evaluating The Effect Of Plantlet Age And Trichoderma Spp. Application On Acclimatization Of Boehmeria Nivea L. Gaud, Eva Aprilia, Anne Nuraini, Muhamad Kadapi

Jurnal Kultivasi

One of the crucial stages in the ramie plant (Boehmeria nivea L. Gaud) tissue culture is the acclimatization phase, which transitions between the in vitro and ex-vitro environments. Determining the appropriate age of plantlets and providing nutrients in the substrate play significant roles in the success of acclimatization. This research is conducted to determine the most suitable age of plantlets for acclimatization and assess the impact of providing nutrients through Trichoderma spp. application on the growth of ramie seedlings during the acclimatization phase. The experiment was conducted between January and March 2023 at the Screenhouse Bale Tatanen, Faculty of Agriculture, …


Activated Carbon Derived From Rice Husk Biomass Using Pyrolysis-Assisted Tartaric Acid Activation For Removal Of Reactive Orange 16 Dye: Adsorption Modeling Using Response Surface Methodology, Ahmed Saud Abdulhameed, Ruihong Wu, Abdallah Reghioua, Harun M. Mbuvi, Zaher Mundher Yaseen, Zaharaddeen N. Garba Aug 2024

Activated Carbon Derived From Rice Husk Biomass Using Pyrolysis-Assisted Tartaric Acid Activation For Removal Of Reactive Orange 16 Dye: Adsorption Modeling Using Response Surface Methodology, Ahmed Saud Abdulhameed, Ruihong Wu, Abdallah Reghioua, Harun M. Mbuvi, Zaher Mundher Yaseen, Zaharaddeen N. Garba

AUIQ Complementary Biological System

In the current work, rice husk (RH) biomass was pyrolyzed using tartaric acid as an activating agent to produce activated carbon (AC). For 60 min, the procedure was run at 700 °C and 5 L/min of nitrogen (N2) flow rate. The study used response surface methodology (RSM) and a 3-level Box-Behnken design (BBD) to optimize the extraction efficiency of rice husk activated carbon (RHAC) in eliminating reactive orange 16 (RO16) dye from an aqueous solution. Different process parameters, such as pH (2–12), RHAC dose (0.04 – 0.14 g), and time (60-240 min), were chosen as part of the …


Oil Palm Fronds Activated Carbon Via Microwave-Assisted H3po4 Activation: Box-Behnken Optimization For Crystal Violet Dye Removal, Nur Atirah Shamsudin, Qistina Omar, Ismaniza Ismail, Noor Artika Hassan, Syarifah Abd Rahim, Nur Fazreen Dzulkafli, Ruihong Wu, Soon Kong Yong Aug 2024

Oil Palm Fronds Activated Carbon Via Microwave-Assisted H3po4 Activation: Box-Behnken Optimization For Crystal Violet Dye Removal, Nur Atirah Shamsudin, Qistina Omar, Ismaniza Ismail, Noor Artika Hassan, Syarifah Abd Rahim, Nur Fazreen Dzulkafli, Ruihong Wu, Soon Kong Yong

AUIQ Complementary Biological System

The extensive use of crystal violet (CV) dyes may cause water pollution. A highly porous and functionalized activated carbon can be used for adsorption of CV dyes. Activated carbon was prepared from oil palm fronds through microwave-assisted pyrolysis and activation with phosphoric acid (H3PO4) for removal of CV dye from wastewater. The physico-chemical characteristics of oil palm fronds activated carbon (OPFAC) was employed by Brunauer-Emmett-Teller (BET) surface area analysis, Fourier transform infrared (FT-IR) analysis, Scanning Electron Methodology-Energy Dispersive X-Ray (SEM-EDX) analysis, thermogravimetric analysis (TGA), and point of zero charges (pHpzc). The adsorption parameters such …


Impact Of Some Parameters On The Survival And Proliferation Of Foodborne Pathogens: Escherichia Coli, Bacillus Subtilis, Staphylococcus Aureus, And Streptococcus Pyogenes, Hassan Agha, Ahmed Bashir Sanaalla, Muhanad Abdullah Salim Abdulsamad, Maroua Abderrahmane Salhi, Ghada Abdu-Razzaq Mohammad, Abdulmutalib Alabeed Alkamil Allaq Aug 2024

Impact Of Some Parameters On The Survival And Proliferation Of Foodborne Pathogens: Escherichia Coli, Bacillus Subtilis, Staphylococcus Aureus, And Streptococcus Pyogenes, Hassan Agha, Ahmed Bashir Sanaalla, Muhanad Abdullah Salim Abdulsamad, Maroua Abderrahmane Salhi, Ghada Abdu-Razzaq Mohammad, Abdulmutalib Alabeed Alkamil Allaq

AUIQ Complementary Biological System

Food poisoning caused by foodborne microorganisms is a significant public health concern. This study aims to investigate the impact of several nutritional and environmental parameters on the growth of Escherichia coli, Bacillus subtilis, Staphylococcus aureus, and Streptococc pyogenes in both model systems and food. The specific impact of temperature, pH, and UV light stress on pathogens.Applying physical stress on microorganisms is a standard method to induce cell inactivation and promote food stability.This study found that the optimal temperature for the growth of these pathogens is between 30°C and 50°C. No growth was observed beyond 50°C, indicating temperature sensitivity; low temperatures …


Advancement In In-Silico Drug Discovery From Virtual Screening Molecular Dockings To De-Novo Drug Design Transformer-Based Generative Ai And Reinforcement Learning, Dony Ang Aug 2024

Advancement In In-Silico Drug Discovery From Virtual Screening Molecular Dockings To De-Novo Drug Design Transformer-Based Generative Ai And Reinforcement Learning, Dony Ang

Computational and Data Sciences (PhD) Dissertations

The field of drug discovery has seen remarkable advancements over the past few decades, transitioning from traditional experimental methods to highly sophisticated computational approaches. One of the pivotal techniques in this evolution is virtual screening, which utilizes molecular docking to predict the interaction between small molecules and target proteins. This method has significantly accelerated the initial stages of drug discovery by enabling the high-throughput screening of large chemical libraries. By simulating the binding affinity and stability of potential drug candidates, virtual screening has become a cornerstone in identifying promising compounds for further development.

A notable application of virtual screening was …


Epidural Stimulation For Urogenital Dysfunction In The Spinal Cord Injured Rat., Natasha Lorraine Wilkins Aug 2024

Epidural Stimulation For Urogenital Dysfunction In The Spinal Cord Injured Rat., Natasha Lorraine Wilkins

Electronic Theses and Dissertations

Spinal cord injury (SCI) is a devastating, life changing event that greatly impacts quality of life. SCI can have body-wide, multi-system consequences including dysfunction within the urogenital system. Challenges with the urinary system include urinary incontinence, urine retention, and detrusor-sphincter dyssynergia all of which require maintenance through the regular use of catheters. Sexual dysfunction in men, who comprise nearly 80% of the SCI population, includes erectile dysfunction, anejaculation, retrograde ejaculation, poor expulsive force during ejaculation, and poor sperm quality. The treatment for sexual function in SCI men is focused more on fertility through the collection of sperm for insemination procedures …


Early Onset Alzheimer’S Disease Markers In Mouse Hippocampus Unveiled By Single-Cell Transcriptomic Analysis Following Cranial Radiotherapy, Tuba Aksoy Aug 2024

Early Onset Alzheimer’S Disease Markers In Mouse Hippocampus Unveiled By Single-Cell Transcriptomic Analysis Following Cranial Radiotherapy, Tuba Aksoy

Dissertations and Theses (Open Access)

Cranial radiation therapy plays an integral role in the treatment of brain tumors but can lead to progressive cognitive deficits in survivors by mechanisms that are poorly understood. To develop preventive or mitigative strategies, it is crucial to better understand the underlying pathogenesis of radiation-induced cognitive impairments. The study investigated single-cell transcriptomics and DNA methylation changes as potential drivers of persistent cellular dysfunction after radiation exposure, specifically concentrating on the CA1-3 regions of the hippocampus and the prefrontal cortex due to their role in cognitive functions. Thirteen-week-old mice underwent whole-brain radiation at clinically relevant doses. Following whole-brain radiation, an assessment …