{"id":533,"date":"2016-01-06T18:46:45","date_gmt":"2016-01-06T18:46:45","guid":{"rendered":"https:\/\/studentweb.bellevuecollege.edu\/docsanddents\/?p=533"},"modified":"2016-01-13T18:48:54","modified_gmt":"2016-01-13T18:48:54","slug":"minutes-from-our-meeting-with-dr-shradda-deodhar-a-biomedical-engineer-from-1616","status":"publish","type":"post","link":"https:\/\/studentweb.bellevuecollege.edu\/docsanddents\/2016\/01\/06\/minutes-from-our-meeting-with-dr-shradda-deodhar-a-biomedical-engineer-from-1616\/","title":{"rendered":"Minutes from our meeting with Dr. Shradda Deodhar, a biomedical engineer from 1\/6\/16"},"content":{"rendered":"<div><\/div>\n<div>\n<ul>\n<li>7th year at Bellevue<\/li>\n<li>previously a chemist at UW Seattle<\/li>\n<li>got a degree in chemistry but later worked in a bioengineering department<\/li>\n<li>UW&#8217;s graduate BME department is #1 in the country<\/li>\n<\/ul>\n<div>What is bioengineering?<\/div>\n<\/div>\n<div>\n<ul>\n<li>an application of engineering principles to biology and medicine<\/li>\n<li>examples of bioengineers:<br \/>\n&gt; computer scientists<br \/>\n&gt; biochemists<br \/>\n&gt; mechanical engineers<br \/>\n&gt; biologists<br \/>\n&gt; chemical engineers<br \/>\n&gt; surgeons<\/li>\n<li>modern products of bioengineering<br \/>\n&gt; x-rays<br \/>\n&gt; ultrasounds<br \/>\n&gt; Sonicare toothbrushes<br \/>\n&gt; optical lenses<\/li>\n<\/ul>\n<div>The drawback of operations such as slicing the cornea lens off a person&#8217;s eyeballs and transplanting a permanent cornea:<\/div>\n<\/div>\n<div>\n<ul>\n<li>vision restrictions<\/li>\n<li>the cornea transplant only allowed the previously blind person to see straight forward<\/li>\n<li>the first cornea transplant operation didn&#8217;t allow peripheral vision<\/li>\n<li>bioengineers can sometimes get very caught up in the excitement of a new invention<br \/>\n&gt; they only think from their own biased (by excitement) perspective and not the patient&#8217;s<\/li>\n<\/ul>\n<div>Biomaterials<\/div>\n<\/div>\n<div>\n<ul>\n<li>a non-viable material used in a medical device intended to interact with biological systems<\/li>\n<li>includes contact lenses &amp; filled cavities<\/li>\n<li>made of:<br \/>\n&gt; metal (titanium often used)<br \/>\n&gt; plastic (newer polymer plastic)<br \/>\n&gt; carbon (may be used for heart valves)<br \/>\n&gt; ceramic (for tooth caps &amp; root canals)<br \/>\n&gt; glass (initially used for contact lenses back in the day)<\/li>\n<li>for implants, the outside of biomaterial is smooth; inside is rough<br \/>\n&gt; inside roughness has gaps so your ligaments &amp; tissues can start growing in and around it<\/li>\n<li>can be:<br \/>\n&gt; films<br \/>\n&gt; porous<br \/>\n&gt; fibers (i.e. used in dialysis machines) (dialysis is the purification of blood which substitutes the kidney&#8217;s function)<br \/>\n&gt; tubes<br \/>\n&gt; rods<br \/>\n&gt; complex shapes<\/li>\n<li>common biomaterials<br \/>\n&gt; prosthetics<br \/>\n&gt; knee joint<br \/>\n&gt; hip joint<br \/>\n&gt; artificial legs, hands<br \/>\n&gt; pacemakers<br \/>\n&gt; hearing aids<br \/>\n&gt; contact lens<br \/>\n&gt; birth control<\/li>\n<\/ul>\n<div>Tissue engineering<\/div>\n<\/div>\n<div>\n<ul>\n<li>uses biology and engineering to create living substitutes that restore tissue function<\/li>\n<li>three approaches:<\/li>\n<\/ul>\n<ol>\n<li>implant cells directly (only \u00a0cells)<br \/>\ni.e.: cartilage in your knee<\/li>\n<li>implant biomaterial scaffold to stimulate tissue growth (no cells)<\/li>\n<li>grow cells on a scaffold before implantation (uses cells &amp; scaffold)<br \/>\n&gt; i.e.: skin<br \/>\n<b>x <\/b>skin can be grown on a scaffold and then integrated into the hand<br \/>\n<b>x <\/b>when the scab falls, the skin regrows<br \/>\n<b>x\u00a0<\/b>tissue engineering &#8211;&gt; skin growth still exists because some people have skin conditions where their blood doesn&#8217;t clot, \u00a0causing them to lose so much blood from even one small cut<br \/>\n&gt; major problem when bioengineers put a bio-implant in a body:<br \/>\nrejection by the body due to a foreign material<\/li>\n<\/ol>\n<div>\n<ul>\n<li>cells are grown on scaffolds and put inside the body<br \/>\n&gt; once all the cells are done growing and inside the body, the scaffold can be removed<br \/>\n&gt; sometimes it isn&#8217;t removed if it won&#8217;t cause any harm<\/li>\n<li>incubators are at 36-37 degrees Celsius when working with bacterial cells because that&#8217;s their optimal temperature<\/li>\n<\/ul>\n<div>When would you need a new blood vessel?<\/div>\n<\/div>\n<\/div>\n<div>\n<ul>\n<li>blood vessel feeding the heart is clogged<\/li>\n<li>blood vessels in the leg are blocked<\/li>\n<li>kidney failure; vessel needed for kidney dialysis<\/li>\n<\/ul>\n<div>Angioplasty: unblocking of a blood vessel\/artery<\/div>\n<\/div>\n<div>\n<ul>\n<li>scaffold is put on the end of a needle<\/li>\n<li>injected inside<\/li>\n<li>scaffold opens up blockages and is sent back out<\/li>\n<li>it can be left inside and function as a bridge inside the artery<\/li>\n<\/ul>\n<div>Why would you need heart muscles?<\/div>\n<\/div>\n<div>\n<ul>\n<li>heart attack<\/li>\n<li>the heart is the only part of your body that does not rebuild itself<\/li>\n<li>after a heart attack, it will never work the same way again.<\/li>\n<\/ul>\n<div>Myocardial patch<\/div>\n<\/div>\n<div>\n<ul>\n<li>instead of transplanting the whole heart, it just patches parts of the heart<\/li>\n<\/ul>\n<div>Questions for the Future<\/div>\n<\/div>\n<div>\n<ul>\n<li>How do you get a blood supply so the cells don&#8217;t die?<\/li>\n<li>How do you get nerves into the tissue?<\/li>\n<li>From where should you get cells?<br \/>\n&gt; The patient, another person, stem cells?<\/li>\n<li>The cost of biomaterial (culture times, product lifetime\/shelf life, economics of productions)<\/li>\n<li>Competing technologies (xenotransplantation, improved biomaterials i.e. defibrillators or pace makers instead of Myocardial patches)<\/li>\n<\/ul>\n<div>How to get into BME<\/div>\n<\/div>\n<div>\n<ul>\n<li>grad school<br \/>\n&gt; first, get a BS<br \/>\n&gt; do the GRE<br \/>\n&gt; get scholarships\/aids\/programs\/research grants<br \/>\n&gt; if there are no grants, be a TA for funding<\/li>\n<\/ul>\n<div>Why did Dr. Deodhar choose BME?<\/div>\n<\/div>\n<div>\n<ul>\n<li>she already had three masters (physical chemistry, polymer chemistry through research, and general chemistry)<\/li>\n<li>polymer chemistry research dealt with a lot of cell research<\/li>\n<li>the chemistry department didn&#8217;t have that many good polymer labs<br \/>\n&gt; she wanted to follow research into polymers<\/li>\n<li>BME provided that<\/li>\n<\/ul>\n<div><\/div>\n<\/div>\n<div>As always, thank you for being a part of this. Remember to fill out the form so we can inspire elementary school children just like how these <span class=\"il\">Docs<\/span> &amp;<span class=\"il\">Dents<\/span> speakers inspire us!<\/div>\n<div><\/div>\n<div>See you later today,<br \/>\nMonique Ouk \ud83d\ude42<\/div>\n","protected":false},"excerpt":{"rendered":"<p>7th year at Bellevue previously a chemist at UW Seattle got a degree in chemistry but later worked in a&#8230;<\/p>\n","protected":false},"author":240,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-533","post","type-post","status-publish","format-standard","hentry","category-uncategorized","post-archive"],"_links":{"self":[{"href":"https:\/\/studentweb.bellevuecollege.edu\/docsanddents\/wp-json\/wp\/v2\/posts\/533","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/studentweb.bellevuecollege.edu\/docsanddents\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/studentweb.bellevuecollege.edu\/docsanddents\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/studentweb.bellevuecollege.edu\/docsanddents\/wp-json\/wp\/v2\/users\/240"}],"replies":[{"embeddable":true,"href":"https:\/\/studentweb.bellevuecollege.edu\/docsanddents\/wp-json\/wp\/v2\/comments?post=533"}],"version-history":[{"count":2,"href":"https:\/\/studentweb.bellevuecollege.edu\/docsanddents\/wp-json\/wp\/v2\/posts\/533\/revisions"}],"predecessor-version":[{"id":535,"href":"https:\/\/studentweb.bellevuecollege.edu\/docsanddents\/wp-json\/wp\/v2\/posts\/533\/revisions\/535"}],"wp:attachment":[{"href":"https:\/\/studentweb.bellevuecollege.edu\/docsanddents\/wp-json\/wp\/v2\/media?parent=533"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/studentweb.bellevuecollege.edu\/docsanddents\/wp-json\/wp\/v2\/categories?post=533"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/studentweb.bellevuecollege.edu\/docsanddents\/wp-json\/wp\/v2\/tags?post=533"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}