User:Chemchamp/sandbox

This is my sandbox. Don't let the cat poop in it.

**Peer Review**

1.)	The wiki page for MOFs is extensive and covers many topics. One topic that it covers very briefly is catalytic uses of MOFs. The title “MOFs for catalysis” makes it clear that this page is about a specific use of MOFs but not the main page for metal-organic frameworks. A possible improvement is making it clear somewhere at the top of the page that MOFs stands for metal-organic framework, perhaps putting (MOF) after the first time metal-organic framework is stated.

Possible pages to link to: Porosity Mesoporous Commodity chemical (stub) Calcination Enantiomer

2.)	As someone who doesn’t know much about MOFs, especially catalytic MOFs, I find the page mostly easy to understand. For someone who’s even less familiar with this field, there are quite a few links to other pages for their reference. One area that may be confusing for non-chemists is the concept of enantiopure. Clarification and a link to the page for enantiomer will help the reader. There is a reference to commodity chemicals. Many people are not familiar with the term so perhaps list some examples or link to the commodity chemical wiki stub.

3.)	The background gives a lot of information about MOFs and the uniqueness of their high porosity. It would help the reader if there were a more detailed explanation of how the porosity relates to catalysis.

4.)	The outlined areas seem to make sense and will provide quite a bit of information about catalytic MOFs. It is hard to help with the outlined areas until more are filled in.

The significance section is a little redundant with the introduction. A few unique details and references to specific catalytic applications in this section would help.

The challenges and limitations section is great as it addresses the major concerns with MOFs for catalysis.

5.)	The planned figures will help immensely. Pictorial examples of MOFs will help the reader visualize the materials. As a reader, I would like to see what MOFs look like at the atomic level and in the bulk. The design schematic will help the reader’s comprehension and understanding of the design section.

6.)	The authors seem to have all the major reviews. There is a solid reference list.

7.)	“The structural porosity of MOF materials places them at the frontier between zeolites and surface metal–organic catalysts and MOFs appear to be excellent candidates for catalysis”

I assume this sentence is saying that MOFs are at the frontier as catalysts but the phrasing is a bit confusing.

“ Zeolites is limited by the fixed tetrahedral coordination of the Si/Al connecting points and the oxide linkerand there are only less than 200 zeolites present indicating its limitation in structure tuning whereas MOFs use versatile coordination chemistry, polytopic linkers, and terminating ligands (F-, OH-, H2O among others) which makes it possible to design an almost infinite variety of MOF structures.”

This sentence is crazy long. On the grammatical side, “zeolites is” should be “zeolites are”. Also, there should be a space between the word linker and the word and.

“One of the most extraordinary features of MOFs is their ability to possess unprecedentedly high porosity”

The word unprecedentedly is quite a mouthful and it trips up the flow of the introduction.

Interactions of Gel and Solvent
Thus far, it has proven quite difficult to predict novel LMOGs. A key aspect in predicting new gelator materials is understanding the interaction between the gel molecules and the solvent. The most common solvents for LMOGs are organic in nature and result in organogels. Much rarer are hydrogels, or gels that form with water as the solvent. Several attempts have been made to quantify the gel and solvent interaction using a variety of parameters:
 * The single or multi-component solubility parameter (δ) of a solvent can give insight on how well-suited the solvent will be for gelation. Depending on the gelator/solvent system, a high solubility parameter can indicate high or low thermal stability of the gel.
 * The dielectric constant (ε) reflects the bulk polarity of the solvent.
 * The Dimroth-Reichardt parameter (ET(30)) is a measure of ionizing power of a solvent.
 * The Kamlet-Taft solvent parameters establish solvatochromic relationships which measure separately the hydrogen bond donor (α), hydrogen bond acceptor (β), and polarizability (π*) of solvents.
 * The Hildebrand parameter measures the energy it takes to create a cavity within a solvent.

Drug Delivery
Researchers have been exploring LMOGs belonging to a class of molecules called cyclohexane trisamides due to their ability to form hydrogels. By attaching functional groups to the gelator molecule, the researchers can adjust the gelation properties. The gels transition to the liquid state upon changes in temperature or pH Taking it one step further, the researchers attached an amino acid and a model drug to the gel molecule and added an enzyme to the gel matrix. When the temperature or pH was changed, the gel molecules entered the liquid phase where the amino acid and drug molecule could be cleaved from the gel molecule by the enzyme. Researchers believe these LMOGs may some day be used as a fast, two-step release drug delivery system

2nd Peer Review

1.) The title of the page accurately conveys that this page is about the molecule titanium disulfide. The introduction does a good job informing the reader of chalogenides and explaining that titanium disulfide is an example of one. Additional links: valence band, conduction band, band gap, anisotropy

2.) The Nanostructures section is written like a review paper. The descriptions of the various syntheses would be difficult for someone without any materials experience to understand. The Titanium disulfide as a battery cathode section mentions the Rigid Band Model without any explanation. Some clarification would greatly benefit the reader.

3.) The background section is very detailed on a variety of topics about titanium disulfide. However, it is a little lengthy. Much of the information is repeated later in the article so it may be possible to cut much of the introduction.

The intro does a good job explaining the significance of the compound in the materials world. There is a thorough explanation of the physical properties as well as its applications.

Another thing that may help break up the long intro is placing some of the text above the Contents box and making a new section below with the rest of the text.

4.) The pictures in this article are mostly of the crystal structure of the compound. This helps the reader visualize the structure. The battery schematic is also very helpful. The nanostructures section would be a lot better if there were SEM or TEM images. It may be difficult to find some non-published images however.

A picture of a band gap with a little explanation might improve the page. There is some discussion of band gaps and it may confuse the reader.

5.) The page references a major review about the material. My quick scan did not turn up any additional relevant reviews.

6.) The page would be easily understood by someone with materials experience. The complexity of the prose aside, the page is well written. Some paragraphs in the intro are a little choppy and hard to read. The information is all useful but some of the materials needs to be reworded.