This document describes methods for estimating haemoglobin levels, including automated and manual methods. The cyanmethaemoglobin and acid haematin methods are described in detail. The cyanmethaemoglobin method is accurate and commonly used, involving converting haemoglobin to cyanmethaemoglobin which is then measured spectrophotometrically. The acid haematin method involves mixing blood with acid and comparing the color to a reference strip on a haemoglobinometer. Reference ranges for haemoglobin are provided for adults and children. Clinical significance and causes of abnormal haemoglobin levels are also summarized.
Notes about blood hemoglobin estimation, lecture notes to Medical Laboratory Students at Medical Laboratory Technology, Middle Technical University, Baqubah, Iraq
An absolute eosinophil count is a blood test that measures the number of one type of white blood cells called eosinophils.
Eosinophils become active when you have certain allergic diseases, infections, and other medical conditions.
Notes about blood hemoglobin estimation, lecture notes to Medical Laboratory Students at Medical Laboratory Technology, Middle Technical University, Baqubah, Iraq
An absolute eosinophil count is a blood test that measures the number of one type of white blood cells called eosinophils.
Eosinophils become active when you have certain allergic diseases, infections, and other medical conditions.
how to select a healthy donor & care of donor .A healthy donor is one of the most vital part of transfusion medicine for safe transfusion of blood & blood product
how to select a healthy donor & care of donor .A healthy donor is one of the most vital part of transfusion medicine for safe transfusion of blood & blood product
Red blood cell (RBC) indices measure the size, shape, and quality of your red blood cells. Red blood cells, also known as erythrocytes, carry oxygen from your lungs to every cell in your body. Your cells need oxygen to grow, reproduce, and stay healthy.
this is a series of notes on hematology, useful for undergraduate and post graduate pathology students. Notes have been prepared from standard textbooks and are in a format easy to reproduce in exams.
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A Memorandum of Association (MOA) is a legal document that outlines the fundamental principles and objectives upon which a company operates. It serves as the company's charter or constitution and defines the scope of its activities. Here's a detailed note on the MOA:
Contents of Memorandum of Association:
Name Clause: This clause states the name of the company, which should end with words like "Limited" or "Ltd." for a public limited company and "Private Limited" or "Pvt. Ltd." for a private limited company.
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Registered Office Clause: It specifies the location where the company's registered office is situated. This office is where all official communications and notices are sent.
Objective Clause: This clause delineates the main objectives for which the company is formed. It's important to define these objectives clearly, as the company cannot undertake activities beyond those mentioned in this clause.
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Liability Clause: It outlines the extent of liability of the company's members. In the case of companies limited by shares, the liability of members is limited to the amount unpaid on their shares. For companies limited by guarantee, members' liability is limited to the amount they undertake to contribute if the company is wound up.
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Capital Clause: This clause specifies the authorized capital of the company, i.e., the maximum amount of share capital the company is authorized to issue. It also mentions the division of this capital into shares and their respective nominal value.
Association Clause: It simply states that the subscribers wish to form a company and agree to become members of it, in accordance with the terms of the MOA.
Importance of Memorandum of Association:
Legal Requirement: The MOA is a legal requirement for the formation of a company. It must be filed with the Registrar of Companies during the incorporation process.
Constitutional Document: It serves as the company's constitutional document, defining its scope, powers, and limitations.
Protection of Members: It protects the interests of the company's members by clearly defining the objectives and limiting their liability.
External Communication: It provides clarity to external parties, such as investors, creditors, and regulatory authorities, regarding the company's objectives and powers.
https://seribangash.com/difference-public-and-private-company-law/
Binding Authority: The company and its members are bound by the provisions of the MOA. Any action taken beyond its scope may be considered ultra vires (beyond the powers) of the company and therefore void.
Amendment of MOA:
While the MOA lays down the company's fundamental principles, it is not entirely immutable. It can be amended, but only under specific circumstances and in compliance with legal procedures. Amendments typically require shareholder
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[Note: This is a partial preview. To download this presentation, visit:
https://www.oeconsulting.com.sg/training-presentations]
Sustainability has become an increasingly critical topic as the world recognizes the need to protect our planet and its resources for future generations. Sustainability means meeting our current needs without compromising the ability of future generations to meet theirs. It involves long-term planning and consideration of the consequences of our actions. The goal is to create strategies that ensure the long-term viability of People, Planet, and Profit.
Leading companies such as Nike, Toyota, and Siemens are prioritizing sustainable innovation in their business models, setting an example for others to follow. In this Sustainability training presentation, you will learn key concepts, principles, and practices of sustainability applicable across industries. This training aims to create awareness and educate employees, senior executives, consultants, and other key stakeholders, including investors, policymakers, and supply chain partners, on the importance and implementation of sustainability.
LEARNING OBJECTIVES
1. Develop a comprehensive understanding of the fundamental principles and concepts that form the foundation of sustainability within corporate environments.
2. Explore the sustainability implementation model, focusing on effective measures and reporting strategies to track and communicate sustainability efforts.
3. Identify and define best practices and critical success factors essential for achieving sustainability goals within organizations.
CONTENTS
1. Introduction and Key Concepts of Sustainability
2. Principles and Practices of Sustainability
3. Measures and Reporting in Sustainability
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To download the complete presentation, visit: https://www.oeconsulting.com.sg/training-presentations
"𝑩𝑬𝑮𝑼𝑵 𝑾𝑰𝑻𝑯 𝑻𝑱 𝑰𝑺 𝑯𝑨𝑳𝑭 𝑫𝑶𝑵𝑬"
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As a business owner in Delaware, staying on top of your tax obligations is paramount, especially with the annual deadline for Delaware Franchise Tax looming on March 1. One such obligation is the annual Delaware Franchise Tax, which serves as a crucial requirement for maintaining your company’s legal standing within the state. While the prospect of handling tax matters may seem daunting, rest assured that the process can be straightforward with the right guidance. In this comprehensive guide, we’ll walk you through the steps of filing your Delaware Franchise Tax and provide insights to help you navigate the process effectively.
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Discover the innovative and creative projects that highlight my journey through Full Sail University. Below, you’ll find a collection of my work showcasing my skills and expertise in digital marketing, event planning, and media production.
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3.0 Project 2_ Developing My Brand Identity Kit.pptxtanyjahb
A personal brand exploration presentation summarizes an individual's unique qualities and goals, covering strengths, values, passions, and target audience. It helps individuals understand what makes them stand out, their desired image, and how they aim to achieve it.
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7. a)
Principle of cyanmethaemoglobin method:
Blood + diluent (Drabkin’s solution)
“ potassium ferricyanide + potassium cynaide”
Converts: Haemoglobin (Hb) and Methaemoglobin (Hi)
Cyanmethaemoglobin (HiCN)
8. Measure the absorbance of the solution by using a calorimeter at
a wavelength = 540nm. Then compare it with the standard
solution of HiCN.
Spectrophotometer
9. Reagent and equipment for Cyanmethaemoglobin method:
b)
•
•
•
•
•
Diluent (Drabkin’s solution)
5 ml pipette.
Cuvettes.
Test tube.
20 micro liter pipettes.
10. c)
Procedure of Cyanmethaemoglobin method:
20ul blood + 4ml diluent
HiCN.
mix, 5-10min
sample
Measured by spectrophotometer at 540nm
standard
Use the calculator:
Hb (g/dl)= Absorbance of test
X Conc of standard
Absorbance of standard
11. 2. Acid haematin method:
a)
Principle:
Blood + 0.1 N HCL
Acid Haematin.
(then match the color of solution with reference solution
colorimeter or colored strip)
i.e. “SAHLI’S haemoglobinometer”
However this method is inaccurate.
12. b) Reagent and equipments for Acid Haematin method:
o
o
o
o
Sahli’s haemoglobinometer.
Sahli’s pipette or Micropipette.
0.1 N HCL.
Dropping pipette.
13. • The standard set of Haemometer consists of:
A black counting chamber, round Hb Tube, 20ul Pipette, Rubber
tube with mouth piece, Cleaning brush, Glass dropper with rubber
teat, Glass rod, Amber bottle.
14. c)
Procedure of Acid Haematin method :
100ul HCL + 20ul blood mix in a graduated Tube (keep for 5min)
Acid Haematin
How can we read Hb value?
Compare the color of solution in the graduated tube with that of reference
strip on either side of haemoglobinometer.
Graduated tube has two scales: % and g/100 ml of whole blood.
15. • If the color of graduated tube is Darker add either 0.1N Hcl or D.W 7
-drop by drop- with pipette; mix with glass rod until the color matches with
reference strip.
• The reading in graduated tube refers to Hb level in g/dl
(some tubes give reading in %; to convert into g/dl X 0.146
So, e.g. 10% X 0.146 = (14.6 g/dl).
16. Precautio
n
Before the sample is read the solution should be clear.
If high WBC in specimen centrifuge the specimen then use the
supernatant.
In case of Hb S or C dilute the mixture in 1:1 ratio with DW then
read in colorimeter.
In case of abnormal globins add 0.1g of potassium carbonate to
the solution.
17. Q. What is the unite of measurement for Hb?
Whole blood Hb concentration is in g/dl.
18. Reference Values
Adult male:
13 - 18 g/dl
10y old child
11 - 15 g/dl
Adult female:
12 - 16 g/dl
6 m old child
11 - 14 g/dl
New born
14 - 22 g/dl
21. Stage formation of RBC:
1. Proerythroblast
The earliest precursors of
erythropoiesis and do not contain
hemoglobin.
Nucleus: The nucleus has a dense,
finely honeycombed chromatin
structure with pale blue nucleoli,
which disappear as the cell matures.
Cytoplasm : darkly basophilic.
Seen in BM
22. 2.
Basophilic Normoblast (early stage)
These cells tend to be smaller than
proerythroblasts.
Like proerythroblast in general
character.
The nuclear-cytoplasmic ratio is
shifted in favor of the cytoplasm.
Seen in BM.
23. 3.
Polychromatic normoblast
(intermatiedate stage )
Nucleus appears coarse and
smudgy, and there is partial
clumping of the nuclear
chromatin.
Cytoplasm loses more
of its basophilic with a greater
abundance of hemoglobin .
Seen in bone marrow
24. 4.
Orthochromatic erythroblast or Nucleated RBC
(late stage )
Red blood cell with nucleus
The nuclear- cytoplasmic ratio
is shifted in favor of the
cytoplasm, which acquires an
increasingly red tinge ultimate
Seen in bone marrow and blood
Seen in sickle cell disease
,AIHA ,and beta-thalassaemia
25. 5.
Reticulocyte
Immature RBCs that contain
cytoplasmic RNA and organelles
such as mitochondria and
ribosomes in various stages of
maturity.
The more filamentous reticula are
characteristic of younger cells
(brilliant cresyl blue stain)
Seen in bone marrow and blood
Seen in haemolytic anaemia
27. Sever Hemorrhage
Systemic diseases e.g. leukemia,
lymphoma, uremia, cirrhosis,
hyperthyroidism, carcinomatosis and
systemic lupus erythematosis.
Haemolysis due to transfusion of
incompatible blood, reactions to
chemicals and drugs, bacteraemia, and
artificial heart valves
Anaemia
31. Polychromasia
• Mature RBCs with increased staining with basic stain and Hb staining.
Occurs in red cells have high RNA content with Hb synthesis is not yet
complete.
33. Quality Control
1.
If the patient’s specimen running in automated machine
there are 3 levels controls should be run.
2.
While if its running by manual method; send patient’s
specimen to the reference laboratory; and perform duplicate
testing in your own lab.
1.
All personnel performing Hb should be checked for color
blindness (Sahli’s Method).