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
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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,
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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
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Adaptations of Aquatic Specimens, with a Focus on Sea Snakes
Aquatic specimens, particularly sea snakes of the subfamily Hydrophiinae, exhibit fascinating adaptations for their fully aquatic lifestyle. These marine snakes are uniquely adapted for life in the sea, with specialized features such as paddle-like tails, compressed bodies, and the ability to respir
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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
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Optimizing Asphalt Material Testing Procedures
This document outlines the sample preparation procedures for both IDEAL-CT and High-Temp IDT testing, including specifications for compaction heights, air void targets, and conditioning requirements. It also provides instructions on preparing specimens, estimating weights, and refining values for Gy
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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
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Guidelines for 2019 Novel Coronavirus Specimen Collection
The guidelines outline the responsibilities of clinicians in collecting clinical specimens for testing 2019-nCoV, emphasizing the importance of following case definitions and using proper procedures for specimen collection, packaging, and transport. It also provides details on selecting patients for
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Understanding Fluorescence Microscopy: Principles and Applications
Fluorescence microscopy, pioneered by British scientist Sir George G. Stokes, reveals hidden details in specimens using fluorescent dyes that emit light of longer wavelengths. This innovative technique allows for visualization of cellular components that are otherwise colorless under conventional mi
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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
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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
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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
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Laboratory Diagnosis of Fungal Infections: Specimen Collection and Transport
In the laboratory diagnosis of fungal infections, proper collection and transportation of specimens are crucial for accurate diagnosis and treatment. Different sites and types of specimens require specific collection techniques to avoid contamination and ensure viability. From superficial to systemi
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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
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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
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Best Practices for Clinical Laboratory Specimen Handling
Good clinical laboratory practice emphasizes the proper collection, storage, and transportation of laboratory specimens to ensure accurate and reliable test results. Key aspects include obtaining high-quality specimens, maintaining specimen integrity, and following standard precautions to prevent co
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Common Laboratory Techniques in Zoology - Urine and Stool Specimen Analysis
In the Biology Department at Al-Mustansiriyah University, students learn laboratory techniques for collecting and analyzing urine and stool specimens. The process involves random urine sample collection, urine tests for chemical components, urine culture, stool specimen analysis for pathological con
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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,
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Fossorial Specimens: Mole and Caecilian Adaptations
Fossorial specimens, including the mole and caecilian, are uniquely adapted for subterranean burrowing. The mole, commonly known for its wedge-shaped head and reduced eyes, lives in tunnels and feeds on small worms and insects. On the other hand, the limbless caecilian, resembling a worm, thrives in
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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
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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
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Proper Clinical Chemistry Specimen Collection and Processing
Proper collection, identification, processing, storage, and transport of various types of biological specimens are crucial for obtaining accurate diagnostic test results. Different types of specimens, such as whole blood, serum, plasma, urine, feces, saliva, and various bodily fluids and tissues, ar
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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
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Pooled Sputum Specimens for TB Diagnosis in COVID-19 Pandemic
Tuberculosis (TB) diagnosis faces challenges during the COVID-19 pandemic, impacting testing capacity. This study by Vibol Iem explores the feasibility of pooling sputum specimens to enhance testing efficiency using Xpert MTB/RIF or Xpert Ultra. The research aims to assess the reliability and cost-e
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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
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Collection and Transport of Specimens in Diagnostic Microbiology
Successful laboratory investigations depend on the proper collection and transport of specimens. This involves selecting adequate samples that represent the diseased area, avoiding contamination, obtaining specimens before administering antimicrobials, ensuring biosafety, proper documentation, and t
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Field Visits and Herbarium Techniques in Plant Taxonomy
This material covers the field visits and specimen collection process in plant taxonomy, emphasizing the need for complete specimens with tools required. It explains the pressing, drying, mounting, and preservation techniques involved in creating herbarium specimens for study and research purposes.
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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
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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
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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
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Digitization Project for Caribbean Plants at New York Botanical Garden
The Caribbean Plants Digitization Project at New York Botanical Garden aims to image and catalog over 150,000 specimens from the Caribbean region. Through OCR and data parsing, the project focuses on curation, barcoding, cataloging, and imaging of specimens. Expeditions since 1895 have contributed t
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Alaska State Virology Lab Respiratory Virus Surveillance Program
The Alaska State Virology Lab's Respiratory Virus Surveillance Program accepts specimens from across Alaska, ranging from large hospitals to single physician clinics. They collect specimens representing CLI/ILI weekly and are interested in Severe Acute Respiratory Illness samples, among others. The
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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
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Understanding the Microscope: Parts, Functions, and Usage
Explore the fascinating world of microscopes by learning about the different parts, their functions, and how to use them effectively. Discover the magnification principles, focusing techniques, and differences between light and electron microscopes. By the end, you'll be equipped with the knowledge
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Understanding Electron Microscopy: A Comprehensive Overview
Electron microscopy (EM) is a powerful technique used in biomedical research to visualize detailed structures of various specimens at high resolution. The process involves an electron gun, electromagnetic lenses, specimen holder, and imaging systems. There are two main types of electron microscopes:
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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
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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
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Understanding Transmission Electron Microscopy (TEM)
Transmission Electron Microscopy (TEM) is a powerful microscopy technique that uses a beam of electrons to create high-resolution images of ultra-thin specimens. It provides detailed information on topography, morphology, composition, and crystalline structure. Sample preparation for TEM is crucial,
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Laboratory Diagnosis of Parasites: Methods and Clinical Specimens
Laboratory diagnosis of parasitic infections involves techniques such as demonstration of parasites, immunodiagnosis, and molecular biological methods. Clinical specimens for diagnosis include blood, urine, genital specimens, sputum, and tissue biopsy/aspiration. Chyluria, a condition with milky whi
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Understanding Statistics for Biological Data in Courses
Dive into the world of statistics for biological data through a comprehensive course led by experienced instructors at the University of Sheffield. Explore the fundamentals of statistics, research questions, hypotheses, and hypothesis testing related to biological inquiries. Gain insights into organ
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