1. The document discusses several immunological methods and applications including ELISA, latex agglutination assay, immunochromatography assay, haemagglutination inhibition assay, immunofluorescence antibody technique, and Western blot.
2. Key principles involve antigen-antibody reactions to detect the presence of various antibodies or antigens through techniques like enzyme reactions, agglutination, fluorescent labeling, or protein separation/detection.
3. The methods can be used to diagnose conditions like hepatitis, rheumatoid arthritis, malaria, and HIV.
ELISA is one of the commonly used laboratory techniques. As it is a multi-step manual technique, every step should be carefully monitored. Here is a short presentation on the common things that should be considered when using ELISA.
TPHA is abbreviation of treponema pallidum hemagglutination assay to treponemal test for the serologic diagnosis of syphilis, a sexually transmitted infection caused by a Spirochetes, Treponema pallidum.
Based on the principle of passive haemagglutination, this test detects anti-treponemal antibodies (IgG and IgM antibodies) in serum or CSF.
TPHA is a good primary screening test for syphilis at all stages beyond the early primary stage.
ELISA is one of the commonly used laboratory techniques. As it is a multi-step manual technique, every step should be carefully monitored. Here is a short presentation on the common things that should be considered when using ELISA.
TPHA is abbreviation of treponema pallidum hemagglutination assay to treponemal test for the serologic diagnosis of syphilis, a sexually transmitted infection caused by a Spirochetes, Treponema pallidum.
Based on the principle of passive haemagglutination, this test detects anti-treponemal antibodies (IgG and IgM antibodies) in serum or CSF.
TPHA is a good primary screening test for syphilis at all stages beyond the early primary stage.
ELISA is a well know term that is an abbreviation of Enzyme Linked Immunosorbent Assay. This microplate based technique relies on the use of an antibody that has been linked to an enzyme. In the presence of an appropriate substrate, enzymatic activity produces a color change as the ELISA readout, which can be measured and provides information about the presence and quantity of the target antigen in the sample material.
E.coli culturing on LB agar and LB broth (Practical)Sabahat Ali
A media is prepared with an antibiotic in that media and then cells that have resistance gene on the plasmid for that antibiotic. Colonies will appear on the media.
The complete guide to antibody detection by immunofluorescence techniqueCandy Swift
Immunofluorescence technique can be used in the detection of hybridoma antibodies of various antigens, such as cellular antigens (including bacterial and animal cells), viral antigens in infected cells, and membrane antigens.
ELISA use an enzyme to detect the binding of antigen (Ag) antibody (Ab). • The enzyme converts a colorless substrate (chromogen) to a colored product, indicating the presence of Ag:Ab binding. • An ELISA can be used to detect either the presence of antigens or antibodies in a sample depending how the test is designed
ELISA is a well know term that is an abbreviation of Enzyme Linked Immunosorbent Assay. This microplate based technique relies on the use of an antibody that has been linked to an enzyme. In the presence of an appropriate substrate, enzymatic activity produces a color change as the ELISA readout, which can be measured and provides information about the presence and quantity of the target antigen in the sample material.
E.coli culturing on LB agar and LB broth (Practical)Sabahat Ali
A media is prepared with an antibiotic in that media and then cells that have resistance gene on the plasmid for that antibiotic. Colonies will appear on the media.
The complete guide to antibody detection by immunofluorescence techniqueCandy Swift
Immunofluorescence technique can be used in the detection of hybridoma antibodies of various antigens, such as cellular antigens (including bacterial and animal cells), viral antigens in infected cells, and membrane antigens.
ELISA use an enzyme to detect the binding of antigen (Ag) antibody (Ab). • The enzyme converts a colorless substrate (chromogen) to a colored product, indicating the presence of Ag:Ab binding. • An ELISA can be used to detect either the presence of antigens or antibodies in a sample depending how the test is designed
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Validation of bevacizumab elisa ich q2 ver3,0 dt14.03krishgen
This document presents a discussion of the characteristics of our KRIBIOLISA™
BEVACIZUMAB ELISA kit considered by us during the validation of this kit in accordance
with ICH Q2 (R1) guidelines. The document is prepared based on tests run in our laboratory
and does not necessarily seek to cover the testing that may be required at user’s end for
registration in, or regulatory submissions. The objective of this validation is to demonstrate
that it is suitable for its intended purpose – detection of Bevacizumab (Avastin)
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SEMA3G(Semaphorin-3G) Basic information
Semaphorins are a class of secreted and membrane proteins that were originally identified as axonal growth cone guidance molecules. They primarily act as short-range inhibitory signals and signal through multimeric receptor complexes. Semaphorins are usually cues to deflect axons from inappropriate regions, especially important in the neural system development. The major class of proteins that act as their receptors are called plexins, with neuropilins as their co-receptors in many cases. The main receptors for semaphorins are plexins, which have established roles in regulating Rho-family GTPases. Recent work shows that plexins can also influence R-Ras, which, in turn, can regulate integrins. Such regulation is probably a common feature of semaphorin signalling and contributes substantially to our understanding of semaphorin biology.
Human SEMA3G(Semaphorin-3G) ELISA Kit test method
Feiyue’s Human SEMA3G (Semaphorin-3G) Elisa kit is an ELISA reagent for detection of Neutrophil elastase in serum, plasma, tissue homogenates and other biological fluids.
This kit uses sandwich ELISA to detect the concentration of Semaphorin-3G . SEMA3G (Semaphorin-3G) -specific monoclonal antibody has been pre-coated in the wells of the supplied microplate. Standards samples and controls are added to interact with the immobilized antibody. A sandwich complex is formed by additional anti- SEMA3G (Semaphorin-3G) antibody with HRP-Streptavidin. TMB solution is added to react with the sandwich for ming optical signal measured by microplate reader. The concentration of SEMA3G (Semaphorin-3G) in the sample can be calculated by comparing the absorbance of the sample with the standard curve.
Become an ELISA (enzyme-linked immunosorbent assay) expert! This guide includes critical review of principles, from sample preparation to data analysis, step-by-step protocols, troubleshooting tips, and more. Learn how to generate reproducible, high quality data in your ELISA tests. Slide contents include:
1. ELISA principles review
2. History of ELISA
3. General ELISA Procedure
4. Explanation of ELISA Types:
A. Direct ELISA
B. Indirect ELISA
C. Sandwich ELISA
D. Competitive ELISA
5. ELISA Data Interpretation
6. Sample Preparation for:
A. Cell Culture Supernatants
B. Cell Extracts
C. Conditioned Media
D. Tissue Extract
7. Recommended Protocols for:
A. Reagent Preparation:
1. Standard Solutions
2. Biotinylated Antibody
3. Avidin-Biotin-Peroxidase (ABC)
B. Sandwich ELISA:
1. Capture Antibody Coating
2. Blocking
3. Reagent Preparation
4. Sample (Antigen) Incubation
5. Biotinylated Antibody Incubation
6. ABC Incubation
7. Substrate Preparation
8. Signal Detection
9. Data Analysis
C. Indirect ELISA:
1. Antigen Coating
2. Blocking
3. Reagent Preparation
4. Primary Antibody Incubation
5. Secondary Antibody Incubation
6. Substrate Preparation
7. Signal Detection
8. Data Analysis
D. Direct ELISA:
1. Antigen Coating
2. Blocking
3. Reagent Preparation
4. Primary Antibody Incubation
5. Substrate Preparation
6. Signal Detection
7. Data Analysis
E. Competitive ELISA:
1. Antigen Coating
2. Blocking
3. Reagent Preparation
4. Sample (Antigen) Incubation
5. Primary Antibody Incubation
6. Secondary Antibody Incubation
7. Substrate Preparation
8. Signal Detection
9. Data Analysis
8. High Sensitivity Boster ELISA Kits
9. Cytokine Related ELISA Kits
10. Customer Testimonials
11. Additional Technical Resources
Feel free to contact support@bosterbio.com with any questions. Get better results with Boster!
Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists Saeid Safari
Preoperative Management of Patients on GLP-1 Receptor Agonists like Ozempic and Semiglutide
ASA GUIDELINE
NYSORA Guideline
2 Case Reports of Gastric Ultrasound
Acute scrotum is a general term referring to an emergency condition affecting the contents or the wall of the scrotum.
There are a number of conditions that present acutely, predominantly with pain and/or swelling
A careful and detailed history and examination, and in some cases, investigations allow differentiation between these diagnoses. A prompt diagnosis is essential as the patient may require urgent surgical intervention
Testicular torsion refers to twisting of the spermatic cord, causing ischaemia of the testicle.
Testicular torsion results from inadequate fixation of the testis to the tunica vaginalis producing ischemia from reduced arterial inflow and venous outflow obstruction.
The prevalence of testicular torsion in adult patients hospitalized with acute scrotal pain is approximately 25 to 50 percent
micro teaching on communication m.sc nursing.pdfAnurag Sharma
Microteaching is a unique model of practice teaching. It is a viable instrument for the. desired change in the teaching behavior or the behavior potential which, in specified types of real. classroom situations, tends to facilitate the achievement of specified types of objectives.
ARTIFICIAL INTELLIGENCE IN HEALTHCARE.pdfAnujkumaranit
Artificial intelligence (AI) refers to the simulation of human intelligence processes by machines, especially computer systems. It encompasses tasks such as learning, reasoning, problem-solving, perception, and language understanding. AI technologies are revolutionizing various fields, from healthcare to finance, by enabling machines to perform tasks that typically require human intelligence.
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
Knee anatomy and clinical tests 2024.pdfvimalpl1234
This includes all relevant anatomy and clinical tests compiled from standard textbooks, Campbell,netter etc..It is comprehensive and best suited for orthopaedicians and orthopaedic residents.
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
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.
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Flu Vaccine Alert in Bangalore Karnatakaaddon Scans
As flu season approaches, health officials in Bangalore, Karnataka, are urging residents to get their flu vaccinations. The seasonal flu, while common, can lead to severe health complications, particularly for vulnerable populations such as young children, the elderly, and those with underlying health conditions.
Dr. Vidisha Kumari, a leading epidemiologist in Bangalore, emphasizes the importance of getting vaccinated. "The flu vaccine is our best defense against the influenza virus. It not only protects individuals but also helps prevent the spread of the virus in our communities," he says.
This year, the flu season is expected to coincide with a potential increase in other respiratory illnesses. The Karnataka Health Department has launched an awareness campaign highlighting the significance of flu vaccinations. They have set up multiple vaccination centers across Bangalore, making it convenient for residents to receive their shots.
To encourage widespread vaccination, the government is also collaborating with local schools, workplaces, and community centers to facilitate vaccination drives. Special attention is being given to ensuring that the vaccine is accessible to all, including marginalized communities who may have limited access to healthcare.
Residents are reminded that the flu vaccine is safe and effective. Common side effects are mild and may include soreness at the injection site, mild fever, or muscle aches. These side effects are generally short-lived and far less severe than the flu itself.
Healthcare providers are also stressing the importance of continuing COVID-19 precautions. Wearing masks, practicing good hand hygiene, and maintaining social distancing are still crucial, especially in crowded places.
Protect yourself and your loved ones by getting vaccinated. Together, we can help keep Bangalore healthy and safe this flu season. For more information on vaccination centers and schedules, residents can visit the Karnataka Health Department’s official website or follow their social media pages.
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4. ELISA ( enzyme-linked immunosorbent assay )
• Principle of test : Antigen-Antibody reaction
• Marker : ELISA for ( Anti-HBs Ig M )
• Uses : To diagnose Hepatitis viruses by detect the surface Antigen
• Sensitivity for this test is 95-98 %
• Before first step Dilute the sample ( the control didn't dilute )
5. Micro plat
Micro plate well
One of this called (micro plate well ) , all of this called (micro plate )
6. Procedure
We used only
two rows
1- put 10 µL Anti-HBclgM Control Serum
negative into each of the first 4 wells(A1-
D1), 10 µL Anti-HBclgM Control Serum
positive into the next well(E1), and 10
µL diluted sample into each of
subsequent wells .
2- Incubate sample : Incubate for at least 15 minutes ( ≤ 30 min. )
at 18 to 25 C ° .
8. 3- put conjugate: Remove the foil. Without washing
the wells, add 100 µL Conjugate Working Solution to
each well. Then seal the test plate with fresh foil and
place immediately into the incubator .
• Conjugate : is anti-antibody binding with enzyme .
• Dilute the conjugate before this step .
9. 4- Incubate conjugate: Incubate for 60 ±2 minutes at 37 ±1 °C,
then proceed immediately to the wash step .
5- Wash : Remove foil and aspirate all wells. Fill each well with
approx. 300 µL diluted washing solution POD, aspirate the plate,
and repeat the wash cycle three times. After completing the wash
cycles, control the effectiveness of the aspiration and proceed
immediately to the next reagent dispensing step(otherwise the wells
may try out).
• we will wash in the machine ( microplate washer )
• washing solution : is solution have 25 times concentration we will
Dilute to become 20 concentration , and we will put it in washing
solution box ( distal water and buffer solution )
10. In this box : We
will put washing
solution for wash
the well .
In this box : We
will put distal
water for wash
the machine after
wash .
In this box : the
contaminated
water will go out
the machine and
collect in this box .
11. 2 Device (machine ) of microplate of ELISA :
1- Microplate washer
for wash the well
2- Microplate reader
for read & print the result
12. 6- put substrate: Pipette 100 µl Chromogen working
solution into each well, then seal the microtitration plate
with fresh foil.
7- Incubate substrate: Immediately after the substrate
dispensing step incubate at 18 to 25 C° for 30 ± 2 minutes,
protected from light.
• Substrate is Chromogen it is will react with Enzyme and
give a color ( Enzyme it is bind with conjugate – back to
slide 6 ) .. If didn’t show color that mean didn’t react and
that mean the conjugate remove with washing that mean
the conjugate didn’t bind with antibody that mean
antibody didn’t bind with antigen that mean the result is
( -ve normal ) ..
• But if show color that mean ( +ve HBc patient )
13. 8- stop reaction: Remove foil, and add 100 µL Stopping
Solution POD to each well, keeping to the same timing as
during the substrate dispensing step.
• Stopping Solution : is sulfuric acid
9- Read : Read the test plate by naked eye and by the
machine at 450 nm within one hour. The recommended
reference wavelength is 650 nm, or where appropriate
between 615 and 690 nm.
10 - you can print the result by Microplate printer .
14. - ve Sample
+ ve Sample
Read the result >>?
The result
Control Sample
- ve Sample
16. RF latex test kit (latex agglutination assay)
• Principle of test : Antigen-Antibody reaction
• Marker : Rheumatoid factor latex for Rheumatoid arthritis
• Uses : To diagnose Rheumatoid arthritis.
• Sensitivity for this test is 75 %
• RF = Rheumatoid factor
Latex agglutination assay
17. 1- put one drop from control +ve >> in 1
2- put one drop from control -ve >> in 2
3- put ( Rf latex ) >> in the all 1 & 2 and mix .
+ve control
and ( RF
latex )
- ve control
and ( RF
latex )
31 2
64 5
Procedure
18. Latex agglutination with +ve control
( because antibody binding with latex )
Control +ve
Latex agglutination
antibody binding with latex
Control -ve
The result
20. • Principle of test : Anti-Antigen-Antibody reaction
• Uses : For diagnose different type of plasmodium ( malaria )
Immunochromatography assay
21. Region of sample (S)
Region of Buffer (B)
1- put sample in region of sample .
2- put Buffer in region of Buffer .
wait to see the band ( result )
Procedure
The Buffer
22. How to read the result
• - If presence one band with C ( control ) that mean ( -ve result ..
Normal )
• - If presence tow band with C ( control ) and with pan ( P. vivax or P.
Ovale P. Malarie ) that mean ( +ve result .. ,malaria patient )
• If presence three band with C ( control ) and with pan and with P.F>
that mean ( +ve result .. ,malaria patient of P. Falciparum )
23. 2 Band >> +ve result >> Sick 1 Band >> -ve result >> Normal
The result
25. • This test determine ratio of antibody in blood.
• Principle of test : Antigen-Antibody reaction
• Uses : For detecting the Antibodies
Haemagglutination inhibition assy
28. • Principle of test : Antigen-Antibody reaction
• Uses : to detect the Antibodies.
• Use Ultraviolet to see antibody under microscope :
- If the fluorescence show up under microscope that mean
presence of antibody (+ve test).
• Like ELISA but conjugate bond within fluorescence .
Immunofluorescence antibody technique