Radiobiology is the study of how ionizing radiation impacts living organisms. It involves direct and indirect effects on biological molecules, leading to the formation of free radicals that can cause cellular damage. The process includes the radiolysis of water, generation of hydrogen peroxide, and

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Explore the benefits of postgraduate research in Biological Sciences, such as advancing global challenges, acquiring critical thinking skills, building a professional network, and personal development in a supportive environment. Discover the international research excellence, quality of life, and k

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Registering work involving biological materials, toxins, and recombinant DNA is essential for safety compliance. Principal Investigators must follow NIH guidelines and register with the Institutional Biosafety Committee. Contact NIH for additional instructions on working with toxins and Select Agent

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Enzymes, as proteins acting as biological catalysts, accelerate chemical reactions without being consumed. They have active sites where substrates bind, and their specificity can be lock-and-key or induced fit. Enzymes are named based on their function or the substrates they interact with. Enzyme sp

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Discover the academic programs and valuable resources offered by the Agricultural and Biological Engineering (ABE) department at Purdue University. Meet the dedicated staff members, review degree options, and learn about upcoming events and registration processes. Explore opportunities in fields suc

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Sphingolipids and waxes are important classes of lipids found in biological membranes, each with unique structures and functions. Sphingolipids, including sphingomyelins and glycosphingolipids, play crucial roles in nerve transmission, cell recognition, and tissue immunity. Waxes, on the other hand,

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Bioinorganic chemistry focuses on the reactivity of metal ions in biological settings, with essential elements like C, H, N, O, and various mineral macro and micronutrients playing key roles in regulatory, structural, electron transfer, enzyme function, and oxygen transport processes. Understanding

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In this introductory lecture on synthetic biology, you will explore the fundamental principles of engineering biology, including the design and construction of new biological entities. The focus is on leveraging molecular, cell, and systems biology advancements to create biological systems that can

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Bioprocessing utilizes biological materials for commercial, medical, and scientific purposes, leveraging natural biological activities to develop useful products. This branch of biotechnology offers advantages such as low temperature, pressure, and pH requirements, along with renewable resources for

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Healthcare workers face various occupational hazards, including biological risks, in hospital settings. This article by Ephraim E. Ibadin explores the definition, types, risk factors, sources, prevention, and control of biological hazards in hospitals, emphasizing the importance of protecting worker

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Biosafety in laboratories involves implementing various barriers and practices to prevent the release of biological agents and protect lab workers. These include primary and secondary barriers, personal protective equipment (PPE), containment principles, and adherence to biosafety practices. Safety

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Explore traditional gender characteristics, past biological and sociocultural factors, current biological and societal influences, and individual traits that shape gender-related behavior. Discover how group-level factors and societal-environmental influences play a role in defining gender roles and

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Amino acids play a crucial role as precursors in various biological processes, serving as building blocks for small molecules like hormones, coenzymes, nucleotides, and more. Glycine, a key amino acid, serves as the major precursor for porphyrins, essential in heme proteins. Understanding the pathwa

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Exploring the concept of aggression, this content delves into various theories surrounding aggressive behavior, such as the Biological, Frustration, and Learned Social Behavior perspectives. It also touches on influences on aggression like aversive incidents, arousal, and media influence, while prop

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Exploring the 7th principle of Green Chemistry focusing on the use of renewable feedstocks in industrial processes. Examples include transforming waste from seafood and paper industries into valuable materials, utilizing lipids and carbohydrates as feedstocks, and leveraging biological processes to

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Explore the concept of water potential and solute concentration in cells through diagrams and equations. Learn about hypertonic, hypotonic, and isotonic solutions, and how water movement is affected by solute concentration differences. Discover how adding solutes affects water potential and the dire

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Explore the world of biological datasets, lipidomics, genomics, epigenomics, proteomics, and the application of omics in studying biological mechanisms, predicting outcomes, and identifying important variables. Dive into DNA, gene expression, methylation, and genetic datasets to unravel the complexi

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DNA replication is a crucial biological process where identical copies of DNA molecules are produced for cell division. Initiated by specific proteins, it involves stages like initiation, elongation, and termination. Enzymes like helicases and DNA polymerase play key roles in forming replication for

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Lipids are organic substances that play a crucial role in biological systems. They include simple lipids, complex lipids like phospholipids and glycolipids, and derived lipids. Simple lipids are esters of fatty acids with various alcohols, while complex lipids are sub-classified based on the type of

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Understanding mechanical and biological vectors, reservoir hosts, and their role in disease transmission is crucial for effective disease control. Mechanical vectors like flies can transfer pathogens without getting infected, while biological vectors like mosquitoes carry pathogens that reproduce in

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The nature vs. nurture debate in personal development explores the influence of genetic and biological factors (nature) compared to social, economic, and environmental factors (nurture). It raises questions on whether genetics or environment plays a stronger role in shaping behaviors, intelligence,

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Biological databases play a crucial role in bioinformatics, storing vast amounts of data related to nucleotide sequences, protein sequences, and more. These databases are publicly accessible and essential for research in biological fields. Primary databases, such as GenBank, EMBL, and DDBJ, contain

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Biosafety and Biosecurity are essential concepts in safeguarding against biological hazards. This article explores the definitions of hazard, threat, and risk, emphasizing the importance of managing risks associated with biological materials through biosafety and biosecurity measures. Learn about th

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Analytical ultracentrifugation, a powerful technique in biochemistry, allows for precise measurement of sample properties and characterization of macromolecular complexes. The method is widely used for determining sample purity, equilibrium constants, and assembly mechanisms of biological complexes.

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In biological processes, certain chemical groups play crucial roles in molecular functions. These functional groups, including hydroxyl, carbonyl, carboxyl, amino, sulfhydryl, phosphate, and methyl, are essential for the structure and function of biological molecules. Additionally, macromolecules, s

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The trickling filter is a biological treatment process utilizing a solid media where bacteria accumulate to maintain high populations. Bacteria growth occurs on the media surface with oxygen provided by air diffusion. As bacteria metabolize waste, they reproduce, creating a biological layer. Filter

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Biosystematics plays a crucial role in refining biological classification by focusing on biological criteria to define relationships within closely related species. It helps delineate biotic communities, recognize different biosystematic categories, and understand evolutionary patterns. Through the

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Exploring the traits of biological adversaries, this study reveals that perpetrators with higher education levels are more likely to successfully use chemical and biological agents. Success tends to increase with age and years of activity. Most individual perpetrators originate from the MENA region,

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At the end of this lesson, you will be able to identify the principal issues in accounting for biological assets and agricultural produce at the time of harvest. Topics include the recognition, measurement, presentation, and disclosure of biological assets in financial statements. Questions regardin

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This content provides insights into the accounting standards for biological assets and agricultural produce under LKAS 41, discussing classification, presentation, measurement, gain or loss recognition, and disclosure requirements. It covers the unique nature of biological assets, the scope of LKAS

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Explore the three main types of workplace safety hazards - physical, chemical, and biological - with a focus on identifying potential risks and ensuring a safe work environment. Learn about common hazards such as repetitive motion, chemical exposure, and handling biological materials, essential for

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Quayshawn Spencer reexamines the biological race debate, discussing the onto-semantic strategy, its problems, and applications to public health genomics. The philosophical foundations of biological racial anti-realism are critiqued, exploring the concept of race through historical perspectives like

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Supporting collaborative teams of researchers exploring overarching biological themes, the Biology Integration Institutes (BII) provide a framework for integrated research in diverse biological disciplines. This initiative enables design and development activities, with potential for significant fun

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This guide provides an overview of UCSB's Biological Safety Program, covering important aspects such as lab safety fundamentals, biological use authorization, biosafety officer's role, and the Institutional Biosafety Committee. It outlines key steps like hazard assessment, training, waste management

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Enzymes, as biological catalysts, play a crucial role in regulating biological processes by lowering the activation energy required for chemical reactions in cells. The addition of enzymes changes the overall energy dynamics of reactions, impacting the rate at which products are formed. This interac

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Analytical toxicology involves the observation, identification, and measurement of foreign compounds in biological and other samples, such as urine, blood, stomach contents, nails, hair, and DNA. Various techniques are used to isolate and identify drugs and poisons present in these samples. This fie

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Biological factors such as genetics, neurotransmitters, and neuro-biology play significant roles in influencing criminal behavior. Genetics can predispose individuals to antisocial behavior, neurotransmitters like serotonin and norepinephrine impact social behavior, and neuro-biological damage can l

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This chapter delves into the realm of biological hazards in occupational settings, shedding light on the risks posed by microorganisms, arthropods, allergens, toxins, and more. It highlights the diverse range of biological agents that can lead to infections, allergies, toxic reactions, and even seri

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Discussion on biological data standards for marine research, challenges faced, existing standards, and the need for guidance and community building. Goals include maximizing data relevance for biodiversity studies. Ongoing work involves developing a primer for data managers unfamiliar with biologica

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The Committee on Microbiological Safety (COMS) was established in 1978 to address public concerns regarding safety, environment, and ethics of research involving hazardous biological agents. COMS oversees activities related to recombinant DNA and biological agents at Harvard, supporting all schools

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