Biological changes - PowerPoint PPT Presentation


RADIATION BIOLOGY

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

0 views • 64 slides


Opportunities in Postgraduate Research in Biological Sciences

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

0 views • 17 slides



Biological Registration Process and Administrative Controls for Safety Focus

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

4 views • 13 slides


Enzymes are Proteins that act as Biological Catalyst

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

5 views • 20 slides


Explore Agricultural and Biological Engineering (ABE) Programs at Purdue University

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

2 views • 16 slides


Understanding Diverse Classes of Lipids in Biological Systems

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,

3 views • 4 slides


Exploring Bioinorganic Chemistry: Essential Elements and Structural Functions in Biological Systems

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

0 views • 10 slides


Introduction to Synthetic Biology: Understanding the Core Concepts and Applications

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

0 views • 89 slides


Understanding Bioprocessing: Advantages, History, Applications, and Enzyme Use

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

1 views • 11 slides


Biological Hazards in the Hospital Community

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

0 views • 30 slides


Ensuring Biosafety in Laboratory Settings: Barriers and Practices

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

1 views • 41 slides


Understanding Theories of Gender and Behavior

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

4 views • 40 slides


Significance of Amino Acids in Biological Pathways

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

0 views • 21 slides


Understanding Aggression and Violence: Theories and Influences

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

1 views • 45 slides


Green Chemistry: Renewable Feedstocks and Biological Processes in Industrial Chemistry

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

1 views • 21 slides


Understanding Biological Datasets and Omics Approaches in Disease Research

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

0 views • 34 slides


Overview of Lipids: Classification and Biological Importance

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

2 views • 38 slides


An Overview of Biological Databases in Bioinformatics

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

0 views • 13 slides


Understanding Biosafety and Biosecurity Principles

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

0 views • 26 slides


Understanding Chemical Groups and Macromolecules in Biological Processes

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

0 views • 9 slides


Trickling Filter: A Sustainable Wastewater Treatment Solution

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

5 views • 26 slides


Understanding Biosystematics and Its Significance in Biological Classification

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

0 views • 15 slides


Unveiling the Etiology of Aging in Biological Systems

The etiology of aging in both biological and inanimate systems explores the concept that aging may not be driven by genetic programming but rather result from stochastic processes. The loss of molecular structure is a key feature of age-related changes. The Second Law of Thermodynamics is suggested

1 views • 38 slides


Understanding Biological Adversaries: Education Levels and Demographics

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,

0 views • 16 slides


Accounting for Biological Assets and Agricultural Produce

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

0 views • 26 slides


Accounting for Biological Assets and Agricultural Produce (LKAS 41: Agriculture) by Rangajewa Herath

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

0 views • 20 slides


Understanding Workplace Safety Hazards: Physical, Chemical, and Biological Risks

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

0 views • 97 slides


Understanding the Epigenetic Clock and Ageing Factors

Explore the Epigenetic Clock model used to estimate biological age in mice by analyzing DNA methylation changes. Learn about the difference between chronological and biological age, the influence of epigenetics on ageing, and how lifestyle factors like diet, fat content, caloric intake, and growth h

0 views • 10 slides


Reexamining the Biological Race Debate by Quayshawn Spencer

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

0 views • 37 slides


Biology Integration Institutes (BII) - NSF Research Opportunity

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

0 views • 10 slides


PEIA Open Enrollment Plan Year 2023 - Important Updates

PEIA Open Enrollment for the Plan Year 2023 is scheduled from April 2 to May 15. Changes made during this period will be effective from July 1. Benefit Coordinators must approve any changes by May 20. Members can make changes by visiting the PEIA website, calling the helpline, or filling out forms o

0 views • 36 slides


Guide to UCSB Biological Safety Program

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

0 views • 24 slides


Enzymes in Biological Reactions: Understanding Activation Energy

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

0 views • 7 slides


Understanding and Validating Experimental Expectations in Genomics Research

Explore a wide array of experimental expectations in genomics research, including types of expectations, nature of samples and data, processing efficacy, sources of variation, unexpected findings, raw data expectations, RNA contamination, biological assumptions in gene knockout experiments, expected

0 views • 21 slides


Analytical Toxicology: Techniques and Sample Analysis in Clinical Toxicology

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

0 views • 12 slides


Understanding Biological Factors and Crime: Genetics, Neurotransmitters, Neuro-biology

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

0 views • 13 slides


Understanding Biological Changes with Light or Heavy Forces Application

Tooth movement can be categorized as physiologic, pathologic, or orthodontic, with forces transmitted through the tooth to the periodontal ligament and alveolar bone. Changes occurring due to light and heavy forces result in bone resorption and deposition, impacting the supporting structures. Histol

0 views • 25 slides


Understanding Biological Hazards in the Workplace: A Comprehensive Overview

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

0 views • 45 slides


Advancing Biological Data Standards for Marine Research

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

0 views • 7 slides


Understanding COMS and Recombinant DNA Regulations

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

0 views • 6 slides