3,355 reputation
729
bio website mattdmo.com
location near Boston
age 36
visits member for 2 years, 4 months
seen 1 hour ago

Long-time OSS user/admin, intermediate coder - I heart . Master of Science in Molecular Medicine, many years' experience in biotech working with antibodies and cell-based assays. Science and computer geek. Dad.


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Why Pigimal?

I sometimes call my guinea pig (also known as a cavy) "Pigimal", which is short for "Piggy Animal." Now you know.


Flair, Baby! null @ Miaou


1h
reviewed Leave Closed what is the difference between osmotic potential and osmotic pressure?
1h
reviewed Close What is the evolutionary explanation for bat's echolocation
1h
reviewed Close Planes of the Body
17h
comment Can plants evolve into animals given enough time?
Not to be too pedantic, but some plants can move (think the tendrils on pea plants, for example), and all plants eat, reproduce, and interact with their environment, sometimes in amazingly sophisticated ways. I'll leave it up to the philosophers as to whether that classifies as intelligence, but you might want to modify your definition of an animal :)
17h
reviewed Approve suggested edit on What percent of your blood can you lose before you need a transfusion
17h
comment What percent of your blood can you lose before you need a transfusion
@anongoodnurse I agree.
18h
comment What percent of your blood can you lose before you need a transfusion
@anongoodnurse a significant drop in blood pressure, along with a commensurate increase in heartrate, is often used as a "back of the envelope" measure of blood loss.
18h
answered Short, concise, practical manual for doing experimental biology
1d
reviewed No Action Needed Regarding the kingdom Animalia, which phylogenic tree is more common: Molecular Comparisons or Body-Plan Grades
1d
comment Safety of cobalt-chromium and nickel-chromium dental implants
Alloys have completely different chemical properties than their component elements. Elemental mercury is liquid, and is toxic, but when alloyed into amalgam it is perfectly safe, and has been used in dental fillings for a very long time with no negative effects. The same is true of cobalt and chromium alloys - they are chemically bonded to the other elements in the alloy, making a new molecule, and cannot "leach out" without the chemical bonds being broken, which cannot happen in the mouth or at standard cooking temperatures. Hence, they are safe for food prep and for fillings/implants.
1d
reviewed Reopen Warm water bath
1d
reviewed Reopen Do biological facts determine when a human fetus is considered alive and human?
1d
comment Is carbohydrate an important part of phospholipid?
Similar question: what are the elements in glycerol?
Sep
26
reviewed Close Warm water bath
Sep
26
revised How were the synaptic areas identified in the somatic sensation pathways?
edited title
Sep
25
comment What is a catalytic domain of an enzyme?
Quick answers: yes, and it varies tremendously. Enzymes catalyze a huge variety of reactions, from cutting DNA to adding amino acids to a growing polypeptide chain, to breaking down complex sugars, and many more besides. Catalytic domains vary from enzyme family to family, and even between enzymes in a single family. There really is no generalization you can make about structure or function, as it is so different from one to another.
Sep
25
answered What is this microscopic image from Peter Gabriel's New Blood album cover?
Sep
24
reviewed Reviewed What does it mean to have different “metabolism”?
Sep
24
reviewed Close Cluster Analysis question
Sep
21
comment Distance matrix with different length sequences
Without seeing your code it's kind of hard to help. This question is much more suited for Stack Overflow, please ask it over there and tag it [python] and [biopython].