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Blog Inductive sensing design challenge: Heamoglobin level sensing.
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  • Author Author: arunmagesh
  • Date Created: 11 May 2014 3:00 PM Date Created
  • Views 1409 views
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  • Comments 10 comments
  • inductive_sensing_challenge
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Inductive sensing design challenge: Heamoglobin level sensing.

arunmagesh
arunmagesh
11 May 2014

Hello! Good day!

Before i start let me thank element14, texas instrument, cadsoft for selecting my idea and sponsoring my

project idea,

Let me break my crazy little idea i wish to do with Inductive sensor. Is measuring haemoglobin level in our

blood using this touchless Inductive sensor. As you all know our blood is made of iron. So i consider that

as conducting material. Now inorder to get something from it. I first give a magnetic flux/filed to a

specific part of our body say finger. Now due to mutual induction some field is developed in our blood

which will be soo tiny. Which is recorded by the sensor, based on continous sampling and leveling. And

haemoglobinlevel can be ccalculated by converting ginduction into density by some formula( i have to

refer some books). And we can get haemoglobin level.

Now i need experts and noobs to help me accomplish it.

Thank you.

M.Arun Magesh

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Top Comments

  • DAB
    DAB over 11 years ago +3
    Interesting idea. You might want to experiment with something like ferric chloride to see at what PPM you can detect the iron in solution. You also might consider how salt and other body minerals in the…
  • waelect
    waelect over 11 years ago +1
    I am not sure if this will help, but just in case the measurement could include other tissue, bone or other. Consider directing or blocking inductive sensing to cover only a small portion of the targeted…
  • Former Member
    Former Member over 11 years ago in reply to waelect +1
    I agree. Instead of the default PCB coil you can use a smaller coil with a ferrite shield. The target area will be much smaller. What kind of display do you need to show the reading?
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  • waelect
    waelect over 11 years ago

    I am not sure if this will help, but just in case the measurement could include other tissue, bone or other. Consider directing or blocking inductive sensing to cover only a small portion of the targeted area. It may not be an issue as I do not known much about the human anatomy. I have though work in Induction loop system and know that many components around the loop field are affected and can create weird results that are not wanted.

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  • arunmagesh
    arunmagesh over 11 years ago in reply to waelect

    Yes on some research i found fat content and bone will cause considerable change in blood thickness. So i have decided to make a standard quantity similar to gulcometer.  I am thinking of taking a small glass tube of standard mm's.  Will that help?

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  • arunmagesh
    arunmagesh over 11 years ago in reply to waelect

    Yes on some research i found fat content and bone will cause considerable change in blood thickness. So i have decided to make a standard quantity similar to gulcometer.  I am thinking of taking a small glass tube of standard mm's.  Will that help?

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