Identification and Detection of Microorganism esraa alaa
Molecular detection of pathogens (molecular microbiology)
is a new, dynamic and progressive spinoff of classic microbiology. It plays an important role in those clinical situations when standard microbiology (relying on the successful cultivation of potential pathogens) produces suboptimal results or completely fails.
OR
Modern approach for identification and quantification of microorganisms (pathogens) in the diagnostics of infections or foodborne illness using molecular microbiology. Broadest range of available tests and tailor-made packages.
What is culture media
Bacteria culture
Importance of culturing.
Culturing and medium.
History of culture media.
How many types of growth media .
Basic components of culture media.
Classification
Consistancy
Nutritional components
Functional use
Aseptic condittion .
General steps for preparation of culture media .
Selective media .
Enrichment media.
Storage of culture media.
Identification and Detection of Microorganism esraa alaa
Molecular detection of pathogens (molecular microbiology)
is a new, dynamic and progressive spinoff of classic microbiology. It plays an important role in those clinical situations when standard microbiology (relying on the successful cultivation of potential pathogens) produces suboptimal results or completely fails.
OR
Modern approach for identification and quantification of microorganisms (pathogens) in the diagnostics of infections or foodborne illness using molecular microbiology. Broadest range of available tests and tailor-made packages.
What is culture media
Bacteria culture
Importance of culturing.
Culturing and medium.
History of culture media.
How many types of growth media .
Basic components of culture media.
Classification
Consistancy
Nutritional components
Functional use
Aseptic condittion .
General steps for preparation of culture media .
Selective media .
Enrichment media.
Storage of culture media.
Outline:
1. Difference between Light microscopy and
electron microscopy
2. Decribe methods for the isolation of
microorganisms in pure culture
3. Techniques for studying live bacteria
4. Distinguish between a simple stain and a
differential stain and give examples
5. Identify steps in the Gram stain procedure
6. List the major categories of microbial characteristics
used to identify microorganisms. Explain why some of
these give more specific info for identification than others
this slide will help you to understand the behavior of different types of bacteria in different culture media. its is made with an exmaple experiment which can provide better understadng. selective, differential and enriched media is given with detailed description in the example.
Secondary screening of industrial important microbes DhruviSuvagiya
Detection and isolation of a microorganism from a natural environment like soil containing large number of microbial population is called as screening. It is very time consuming and expensive process.
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Ve...kevinkariuki227
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
Tom Selleck Health: A Comprehensive Look at the Iconic Actor’s Wellness Journeygreendigital
Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
Pulmonary Thromboembolism - etilogy, types, medical- Surgical and nursing man...VarunMahajani
Disruption of blood supply to lung alveoli due to blockage of one or more pulmonary blood vessels is called as Pulmonary thromboembolism. In this presentation we will discuss its causes, types and its management in depth.
Ethanol (CH3CH2OH), or beverage alcohol, is a two-carbon alcohol
that is rapidly distributed in the body and brain. Ethanol alters many
neurochemical systems and has rewarding and addictive properties. It
is the oldest recreational drug and likely contributes to more morbidity,
mortality, and public health costs than all illicit drugs combined. The
5th edition of the Diagnostic and Statistical Manual of Mental Disorders
(DSM-5) integrates alcohol abuse and alcohol dependence into a single
disorder called alcohol use disorder (AUD), with mild, moderate,
and severe subclassifications (American Psychiatric Association, 2013).
In the DSM-5, all types of substance abuse and dependence have been
combined into a single substance use disorder (SUD) on a continuum
from mild to severe. A diagnosis of AUD requires that at least two of
the 11 DSM-5 behaviors be present within a 12-month period (mild
AUD: 2–3 criteria; moderate AUD: 4–5 criteria; severe AUD: 6–11 criteria).
The four main behavioral effects of AUD are impaired control over
drinking, negative social consequences, risky use, and altered physiological
effects (tolerance, withdrawal). This chapter presents an overview
of the prevalence and harmful consequences of AUD in the U.S.,
the systemic nature of the disease, neurocircuitry and stages of AUD,
comorbidities, fetal alcohol spectrum disorders, genetic risk factors, and
pharmacotherapies for AUD.
These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
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NVBDCP.pptx Nation vector borne disease control programSapna Thakur
NVBDCP was launched in 2003-2004 . Vector-Borne Disease: Disease that results from an infection transmitted to humans and other animals by blood-feeding arthropods, such as mosquitoes, ticks, and fleas. Examples of vector-borne diseases include Dengue fever, West Nile Virus, Lyme disease, and malaria.
New Directions in Targeted Therapeutic Approaches for Older Adults With Mantl...i3 Health
i3 Health is pleased to make the speaker slides from this activity available for use as a non-accredited self-study or teaching resource.
This slide deck presented by Dr. Kami Maddocks, Professor-Clinical in the Division of Hematology and
Associate Division Director for Ambulatory Operations
The Ohio State University Comprehensive Cancer Center, will provide insight into new directions in targeted therapeutic approaches for older adults with mantle cell lymphoma.
STATEMENT OF NEED
Mantle cell lymphoma (MCL) is a rare, aggressive B-cell non-Hodgkin lymphoma (NHL) accounting for 5% to 7% of all lymphomas. Its prognosis ranges from indolent disease that does not require treatment for years to very aggressive disease, which is associated with poor survival (Silkenstedt et al, 2021). Typically, MCL is diagnosed at advanced stage and in older patients who cannot tolerate intensive therapy (NCCN, 2022). Although recent advances have slightly increased remission rates, recurrence and relapse remain very common, leading to a median overall survival between 3 and 6 years (LLS, 2021). Though there are several effective options, progress is still needed towards establishing an accepted frontline approach for MCL (Castellino et al, 2022). Treatment selection and management of MCL are complicated by the heterogeneity of prognosis, advanced age and comorbidities of patients, and lack of an established standard approach for treatment, making it vital that clinicians be familiar with the latest research and advances in this area. In this activity chaired by Michael Wang, MD, Professor in the Department of Lymphoma & Myeloma at MD Anderson Cancer Center, expert faculty will discuss prognostic factors informing treatment, the promising results of recent trials in new therapeutic approaches, and the implications of treatment resistance in therapeutic selection for MCL.
Target Audience
Hematology/oncology fellows, attending faculty, and other health care professionals involved in the treatment of patients with mantle cell lymphoma (MCL).
Learning Objectives
1.) Identify clinical and biological prognostic factors that can guide treatment decision making for older adults with MCL
2.) Evaluate emerging data on targeted therapeutic approaches for treatment-naive and relapsed/refractory MCL and their applicability to older adults
3.) Assess mechanisms of resistance to targeted therapies for MCL and their implications for treatment selection
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Lung Cancer: Artificial Intelligence, Synergetics, Complex System Analysis, S...Oleg Kshivets
RESULTS: Overall life span (LS) was 2252.1±1742.5 days and cumulative 5-year survival (5YS) reached 73.2%, 10 years – 64.8%, 20 years – 42.5%. 513 LCP lived more than 5 years (LS=3124.6±1525.6 days), 148 LCP – more than 10 years (LS=5054.4±1504.1 days).199 LCP died because of LC (LS=562.7±374.5 days). 5YS of LCP after bi/lobectomies was significantly superior in comparison with LCP after pneumonectomies (78.1% vs.63.7%, P=0.00001 by log-rank test). AT significantly improved 5YS (66.3% vs. 34.8%) (P=0.00000 by log-rank test) only for LCP with N1-2. Cox modeling displayed that 5YS of LCP significantly depended on: phase transition (PT) early-invasive LC in terms of synergetics, PT N0—N12, cell ratio factors (ratio between cancer cells- CC and blood cells subpopulations), G1-3, histology, glucose, AT, blood cell circuit, prothrombin index, heparin tolerance, recalcification time (P=0.000-0.038). Neural networks, genetic algorithm selection and bootstrap simulation revealed relationships between 5YS and PT early-invasive LC (rank=1), PT N0—N12 (rank=2), thrombocytes/CC (3), erythrocytes/CC (4), eosinophils/CC (5), healthy cells/CC (6), lymphocytes/CC (7), segmented neutrophils/CC (8), stick neutrophils/CC (9), monocytes/CC (10); leucocytes/CC (11). Correct prediction of 5YS was 100% by neural networks computing (area under ROC curve=1.0; error=0.0).
CONCLUSIONS: 5YS of LCP after radical procedures significantly depended on: 1) PT early-invasive cancer; 2) PT N0--N12; 3) cell ratio factors; 4) blood cell circuit; 5) biochemical factors; 6) hemostasis system; 7) AT; 8) LC characteristics; 9) LC cell dynamics; 10) surgery type: lobectomy/pneumonectomy; 11) anthropometric data. Optimal diagnosis and treatment strategies for LC are: 1) screening and early detection of LC; 2) availability of experienced thoracic surgeons because of complexity of radical procedures; 3) aggressive en block surgery and adequate lymph node dissection for completeness; 4) precise prediction; 5) adjuvant chemoimmunoradiotherapy for LCP with unfavorable prognosis.
3. Microscopy The human eye cannot resolve objects much less than 0.1 – 0.2 mm. It cannot detect objects with diameters less that about one thousandths of an inch (30 µm). Bacterial size range from 0.2 – 2 µm. Much of what we know today about microorganisms was made possible with the aid of the microscope.
5. Types of Microscopes Bright-Field Microscope Dark-Field Microscope Phase-Contrast Microscope Fluorescent Microscope Dissection Microscope Scanning Electron Microscope Transmission Electron Microscope
6. Staining Used to increase visibility of microorganisms being studied Used to identify the shape of bacteria Used to determine the morphological features of microorganisms Used to detect contamination Used to differentiate and classify microorganisms (differential stains) Used to detect bacterial parts such as capsule, spores, flagella or inclusion bodies (special stains)
7. Fixation The process by which the internal and external structures of microorganisms are preserved and fixed in place. Heat fixation – fixation by means of application of heat The prepared smear of microorganisms is gently heated and air-dried. Chemical fixation – involves the use of chemicals such as ethanol and formaldehyde.
8. Simple Staining Technique Only one stain is used Crystal Violet, CarbolFuchsin, and Methylene Blue are examples of basic dyes used in simple staining technique.
9. Differential Staining Used to classify bacteria into separate groups based on their distinct staining properties Makes use of a primary stain, a decolorizer, and a counterstain Gram Stain and Acid-Fast Stain are examples
10. Gram Stain Differentiates bacteria into two groups: Gram positive and Gram negative Stain mechanism is generally related to the thickness of the cell wall, pore size and permeability properties of intact cell envelope Makes use of a primary stain (Crystal Violet), a mordant (Gram’s Iodine) a decolorizer (Alcohol or Acetone) and a counterstain (Safranin). Gram positive organisms stain blue while gram negative organisms stain red. Most cocci are gram positive; a third of all cocci, half of the bacilli, and all the spiral bacteria are gram negative.
13. Acid-Fast Stain Used to differentiate Mycobacteria (M. tuberculosis) from other bacteria Mycobacteria are lipophilic or difficult to stain. Once stained, Mycobacteria are resistant to counterstain. Nocardia are partially acid fast Makes use of a primary stain (KinyounCarbolFuchsin), decolorizer (Acid Alcohol), and counterstain (Methylene Blue). Acid fast bacteria appear as bright red bacilli against a light blue background.
14.
15. Special Staining Techniques Negative Staining using India Ink or Negrosine is used to reveal the presence of capsule Schaefer-Fulton using Malachite Green and Safranin is used to stain endospores The Leifson Method (pararosalanine), and Gray Method (basic fuchsin) are used to stain flagella.
16. Microbial Culture Makes use of a growth environment called culture medium Microorganisms form culture when inoculated in or on the medium. May be purely chemical (defined or synthetic), may contain organic materials, or may consist of living organisms.
17. Types of Culture Medium Nutrient broth and Nutrient agar – used to cultivate bacteria. Both contain proteins, salts, and growth enhancers. Selective Medium – enhances the growth of a desired organism while retards the growth of unwanted organisms. Differential Medium – does not retard growth but provides environment where different bacteria can be differentiated from each other.
18. Selective Medium MacConkey Agar retards the growth of Gram + bacteria and enhances the growth of Gram - bacteria
