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A mixed-reactant direct methanol redox fuel cell where all reactants (anolyte and catholyte mixed) are supplied to the cathode. The fuel reaches the anode via fuel crossover. science engineering mixed Mixed-Reactant Direct Methanol Redox Fuel Cell
A simple schematic of the classic redox flow battery system. science engineering redox Redox Flow Battery System
An apparatus to determine oxidation/reduction capacity of a solution using a working electrode (WE) / reference electrode (RE) pair as a sensor. science engineering titration Potentiometric Titration Apparatus
A model (with "artistic license") of the steroid cholesterol, the basis of steroid hormones. Blue-grey is carbon, white is hydrogen, red is oxygen. Drawn in Inkscape. cholesterol chemistry biology Cholesterol
2'-deoxyguanosine 5'-triphosphate, or dGTP, one of the nucleotides (basic units) that make up DNA (deoxyribonucleic acid), the genetic material of all cellular organisms. Done in Inkscape. Oxygen is red, nitrogen is green, phosphorus is silver, the rest is carbon. No hydrogens. chemical science chemistry DGTP
A direct methanol alkaline fuel cell using an anion exchange membrane as the separator. direct methanol alkaline Direct Methanol Alkaline Fuel Cell Color- Anion Exchange Membrane
A ball-and-stick model structure of non-polar, hydrophobic amino acid isoleucine (Ile, I). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. amino acid amino acid Isoleucine (amino acid)
A ball-and-stick model structure of non-polar, hydrophobic amino acid valine (Val, V). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. amino acid amino acid Valine (amino acid)
A ball-and-stick model structure of polar amino acid asparagine (Asn, N). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. amino acid amino acid Asparagine (amino acid)
A ball-and-stick model structure of polar amino acid threonine (Thr, T). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. amino acid amino acid Threonine (amino acid)
A ball-and-stick model structure of basic (positively-charged) amino acid histidine (His, H). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. amino acid amino acid Histidine (amino acid)
A ball-and-stick model structure of non-polar, hydrophobic amino acid tryptophan (Trp, W). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. amino acid amino acid Tryptophan (amino acid)
A ball-and-stick model structure of polar, hydrophobic amino acid tyrosine (Tyr, Y). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. amino acid amino acid Tyrosine (amino acid)
A ball-and-stick model structure of acidic (negatively-charged) amino acid glutamic acid (Glu, E). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. amino acid amino acid Glutamic acid (amino acid)
A ball-and-stick model structure of non-polar amino acid proline (Pro, P). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. amino acid amino acid Proline (amino acid)
The structure (abbreviated) of the polysaccharide cellulose, a major structural component of plant cell walls, wood. It is just an unbranched polymer of beta-glucose. Only a small fragment of the potentially infinite polymer is shown. Drawn in Inkscape. cellulose polysaccharide sugar Cellulose
The structure a triacyglicerol, a.k.a fat. This fat molecule possesses three identical, saturated fatty acid (palmitic acid) units, linked to a glycerol molecule. Drawn in Inkscape. fat triglyceride triacylglycerol Fat molecule
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My remix of the public domain image found on the Wikipedia article titled,'Pythagorean Theorem'. Euclid's Illustration on Pythagorean Theorem Proof, coloured with Inkscape. euclid euclidean euclidian Euclid's Pythagorean Theorem Proof Remix
glass chemical outline chemistry flask lineart laboratory measuring Measuring Glass clip art measuring glass science Measuring Glass clip art
A set of 3 Geometry shapes floating in mid-air on a metallic platform. Drawn with Inkscape. geometry geometric shape Geometry 2
The general structure of amino acids, the protein building blocks. Drawn in Inkscape. amino acid amino acid Amino acid (general)
A ball-and-stick model structure of non-polar, hydrophobic amino acid leucine (Leu, L). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. amino acid amino acid Leucine (amino acid)
A ball-and-stick model structure of polar amino acid cysteine (Cys, C). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver, sulfur in yellow. Drawn in Inkscape. amino acid amino acid Cysteine (amino acid)
A ball-and-stick model structure of acidic (negatively-charged) amino acid aspartic acid (Asp, D). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. amino acid amino acid Aspartic acid (amino acid)
A ball-and-stick model structure of basic (positively-charged) amino acid arginine (Arg, R). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape. amino acid amino acid Arginine (amino acid)
Cytidine (or cytosine) 5'-triphosphate, one of the nucleotides (basic units) that make up RNA (ribonucleic acid). Done in Inkscape. Oxygen is red, nitrogen is green, phosphorus is silver, the rest is carbon. No hydrogens. chemical chemistry biology Ctp
2'-deoxythymidine 5'-triphosphate, TTP or dTTP, one of the nucleotides (basic units) that make up DNA (deoxyribonucleic acid), the genetic material of all cellular organisms. Done in Inkscape. Oxygen is red, nitrogen is green, phosphorus is silver, the rest is carbon. No hydrogens. chemical science chemistry Ttp
An electrochromic window assembly in the bleached state. Both the tungsten oxide (WO3) and nickel oxide (NiO) are transparent. science engineering electrochromic Electrochromic Window- Bleached
An electrochromic window assembly in the opaque state. Both the tungsten oxide (WO3) and nickel oxide (NiO) are opaque. The current of negative electrons towards the NiO electrode is balanced by the migration of Li+ ions towards the NiO electrode. science engineering electrochromic Electrochromic Window- Opaque
A mixed-reactant fuel cell test system where all reactants (anolyte and catholyte mixed) are supplied to the cathode. science engineering mixed Mixed Reactant Fuel Cell Test System
An experimental apparatus to measure the diffusion or permeability of a compound through a membrane using a refractive index sensor. science engineering diffusion Diffusion and Permeability Measurement Apparatus- Refractive Index
