DrChika

Dr. Chika Ejikeugwu (Ph.D., 2017, UNIZIK, Nigeria) is a distinguished microbiologist, researcher, and educator with an impressive international profile. He is a Fellow of the renowned Alexander von Humboldt (AvH) Stiftung in Germany and currently holds a Research Fellowship at the Helmholtz Centre for Environmental Research (UFZ) in Leipzig, Germany. His ongoing research within the soilRESIST project investigates the effects of antibiotic mixtures on soil microbiomes, addressing critical challenges in antimicrobial resistance (AMR) and environmental microbiology. Dr. Ejikeugwu is the visionary founder and developer of Africa's leading microbiology platform, www.MicrobiologyClass.net, a widely recognized and trusted knowledge hub that supports students, professionals, and researchers across the continent and beyond. This platform has become a cornerstone in advancing microbiology education and research in Africa. Throughout his career, Dr. Ejikeugwu has held prestigious research positions globally. He was awarded the prestigious Alexander von Humboldt (AvH) Fellowship for Experienced Researchers in 2023 and is currently conducting research on AMR in soil ecosystems at the Helmholtz Centre for Environmental Research (UFZ) in Leipzig, Germany, as a Senior Humboldt Research Fellow. Previously, he held a DAAD Postdoctoral Fellowship at the Federal Institute for Materials Research and Testing (BAM) in Berlin, Germany, in 2021, and a MIF Postdoctoral Fellowship at Kyoto University, Kyoto, Japan, in 2018. His groundbreaking work in antimicrobial resistance (AMR) earned him the esteemed Young Investigator Award on AMR from Institut Mérieux, France, in 2021. Additionally, he is a recipient of the NIH CAMRA grant for AMR research, with his project focusing on antimicrobial resistance in poultry environments. Dr. Ejikeugwu is a dynamic member of the Global Young Academy (GYA), Germany, and holds memberships in several prominent professional organizations, including Applied Microbiology International (AMI), the European Society of Clinical Microbiology and Infectious Diseases (ESCMID), the Nigerian Society for Microbiology (NSM), and the American Society for Microbiology (ASM). He earned his doctorate in Pharmaceutical Microbiology and Biotechnology and serves as a Senior Lecturer and Researcher at Enugu State University of Science and Technology (ESUT), Nigeria. In this role, he is deeply committed to mentoring undergraduate and postgraduate students, fostering their academic development, and nurturing the next generation of microbiologists. Driven by a passion for teaching, cutting-edge research, and community development, Dr. Ejikeugwu continues to make significant contributions to the global microbiology landscape.

Introduction to Immunology / Immune System

Immunology is simply defined as the study of how the immune system of a living organism functions in either a disease condition or a healthy state. It is the study of how an organism responds to foreign bodies (antigens) that it comes in contact with in the environment, and its differentiation from the body’s own

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Introduction to Microscopy and Microscope

The history of microbiology will be incomplete without first mentioning the discovery and development of the microscope. Microscopes are indispensable tools for studying microorganisms because without the invention of microscopes man will find it difficult to see microbes (which are microscopic in nature and are too small to be seen with the naked or unaided

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Colonial morphology of microorganisms

Microorganisms produce definite patterns on culture media plates as they grow and divide. These specific patterns (inclusive of shapes and sizes) also aid in the preliminary identification of the organisms for further characterization. Colonial morphology is the size, shape, colour, texture and the general structure of an individual colony of a particular microorganism (in this

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Introduction to (Medical) Bacteriology

Medical Bacteriologyis a branch of medical microbiology that is concerned with the diagnosis, prevention and treatment of infectious diseases caused by bacterial pathogens. It is simply the study of bacteria that are of medical importance i.e. that cause diseases in human beings and animals. Medical bacteriology is the study of the interactions between pathogenic bacteria

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Introduction to Industrial Microbiology

Microorganisms have played significant roles over the years in the alleviation of diseases and infections in man, animals and plants. Most of the drugs and/or antimicrobial agents used to keep infectious microbes at bay and even vaccines used for vaccination exercises are naturally sourced from microorganisms. However, microbes also play significant roles in helping to

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Centrifuge

Centrifuge is an instrument is used to separate suspensions or particulate matter in a liquid based on their different sedimentation properties or densities. The centrifuge machine is generally used in the microbiology laboratory to sediment or separate different macromolecules (especially particulate matter) in a solution. Liquid specimens such as urine and blood can be spinned

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