Chemical sensor based on highly organized single walled carbon nanotube networks
US-9518950-B2 · Dec 13, 2016 · US
US2017350870A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2017350870-A1 |
| Application number | US-201715612848-A |
| Country | US |
| Kind code | A1 |
| Filing date | Jun 2, 2017 |
| Priority date | Jun 3, 2016 |
| Publication date | Dec 7, 2017 |
| Grant date | — |
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
What the patent document calls the invention.
A short plain-language summary of the technical disclosure.
Who owns or filed the patent and who is credited as inventor.
Filing, priority, publication, and grant dates set the timeline.
The legal scope of protection — read this for what is actually claimed.
Technology tags used to group this patent with similar filings.
Prior art links and similar publications in this corpus.
Official abstract text for this publication.
A method for detecting for the presence of H 2 S or HS − anion in a system, comprising contacting a sample from the system with a compound, or a protonate or salt thereof, having a structure represented by: wherein Y represents an aromatic group or a substituted aromatic group; n is 1 or 2; R is independently H, alkyl, substituted alkyl, a polyether moiety, carboxyl, substituted carboxyl, carbamate, substituted carbonate, carbonyloxy, alkoxy, substituted alkoxy, haloalkyl, halogen, nitro, amino, amido, aryloxy, cyano, hydroxyl, or sulfonyl; R 1 is H, substituted lower alkyl, lower alkyl, substituted aralkyl or aralkyl; R 2 is selected from H, acyl, substituted aralkyl, aralkyl, phosphonyl, —SO 2 R 3 ; —C(O)R 5 ; —C(O)OR 7 or —C(O)NR 9 R 10 ; R 3 ; R 5 ; R 7 ; R 9 and R 10 are each independently selected from H, substituted lower alkyl, lower alkyl, substituted aralkyl, aralkyl, substituted aryl or aryl.
Opening claim text (preview).
What is claimed is: 1 . A method for detecting for the presence of H 2 S or an anionic sulfide species in a system, comprising contacting a sample from the system with a compound, or a protonate or salt thereof, having a structure represented by: wherein Y represents an aromatic group or a substituted aromatic group; n is 1 or 2; R is independently H, alkyl, substituted alkyl, a polyether moiety, carboxyl, substituted carboxyl, carbamate, substituted carbonate, carbonyloxy, alkoxy, substituted alkoxy, haloalkyl, halogen, nitro, amino, amido, aryloxy, cyano, hydroxyl, or sulfonyl; R 1 is H, substituted lower alkyl, lower alkyl, substituted aralkyl or aralkyl; R 2 is selected from H, acyl, substituted aralkyl, aralkyl, phosphonyl, —SO 2 R 3 ; —C(O)R 5 ; —C(O)OR 7 or —C(O)NR 9 R 10 ; R 3 ; R 5 ; R 7 ; R 9 and R 10 are each independently selected from H, substituted lower alkyl, lower alkyl, substituted aralkyl, aralkyl, substituted aryl or aryl. 2 . A method for detecting for the presence of H 2 S or an anionic sulfide species in a system, comprising contacting a sample from the system with a compound, or a protonate or salt thereof, having a structure represented by: wherein Y represents a substituted aromatic group or an aromatic group; each R 15 is independently H, alkyl, substituted alkyl, a polyether moiety, carboxyl, substituted carboxyl, carbamate, substituted carbonate, carbonyloxy, alkoxy, substituted alkoxy, haloalkyl, halogen, nitro, amino, amido, aryloxy, cyano, hydroxyl, or sulfonyl; each X is independently halogen, alkoxy, substituted alkoxy, alkyl, substituted alkyl or a polyether moiety; and m is 0 to 5. 3 . The method of claim 1 , wherein the system comprises an aqueous system. 4 . The method of claim 2 , wherein the system comprises an aqueous system. 5 . The method of claim 1 , wherein the system comprises a biological system. 6 . The method of claim 2 , wherein the system comprises a biological system. 7 . The method of claim 1 , wherein Y is selected from: wherein R 20 , R 50 , R 51 , R 52 , R 53 , R 54 and R 55 are each independently selected from hydrogen, alkyl, substituted alkyl, a polyether moiety, carboxyl, substituted carboxyl, carbamate, substituted carbonate, carbonyloxy, alkoxy, substituted alkoxy, haloalkyl, halogen, nitro, amino, aryloxy, cyano, hydroxyl, or sulfonyl. 8 . The method of claim 7 , wherein Y is wherein R 50 is halogen. 9 . The method of claim 7 , wherein Y is wherein R 20 is hydrogen. 10 . The method of claim 2 , wherein Y is selected from: wherein R 20 , R 50 , R 51 , R 52 , R 53 , R 54 and R 55 are each independently selected from hydrogen, alkyl, substituted alkyl, a polyether moiety, carboxyl, substituted carboxyl, carbamate, substituted carbonate, carbonyloxy, alkoxy, substituted alkoxy, haloalkyl, halogen, nitro, amino, aryloxy, cyano, hydroxyl, or sulfonyl. 11 . The method of claim 10 , wherein Y is wherein R 50 is halogen. 12 . The method of claim 10 , wherein Y is wherein R 20 is hydrogen. 13 . A method for detecting for the presence of H 2 S or an anionic sulfide species in a system, comprising contacting a sample from the system with a compound, or a protonate or salt thereof, having a structure that includes at least one moiety configured for reversible, non-covalent binding of the anionic sulfide species. 14 . The method of claim 13 , wherein the reversible, non-covalent bonding involves hydrogen bonding. 15 . The method of claim 14 , wherein the hydrogen bonding includes a C—H . . . S hydrogen bond. 16 . The method of claim 13 , wherein the at least one moiety is a CH hydrogen bond donor. 17 . A compound, or a protonate or salt thereof, having a structure represented by: wherein Y is each R 15 is independently H, alkyl, substituted alkyl, a polyether moiety, carboxyl, substituted carboxyl, carbamate, substituted carbonate, carbonyloxy, alkoxy, substituted alkoxy, haloalkyl, halogen, nitro, amino, amido, aryloxy, cyano, hydroxyl, or sulfonyl; each X is independently halogen, alkoxy, substituted alkoxy, alkyl, substituted alkyl or a polyether moiety; m is 0 to 5; and wherein R 50 , R 51 , R 52 , R 53 , R 54 and R 55 are each independently selected from hydrogen, alkyl, substituted alkyl, a polyether moiety, carboxyl, substituted carboxyl, carbamate, substituted carbonate, carbonyloxy, alkoxy, substituted alkoxy, haloalkyl, halogen, nitro, amino, aryloxy, cyano, hydroxyl, or sulfonyl. 18 . The compound of claim 17 , wherein Y is and R 50 is halogen and R 51 is hydrogen. 19 . The compound of claim 17 , wherein Y is and R 52 , R 53 , R 54 and R 55 are each hydrogen. 20 . The compound of claim 17 , wherein each R 15 is alkyl; m is 1, and X is alkoxy. 21 . A device comprising: a source; a drain; a gate; a bulk layer, wherein the source contacts a first portion of the bulk, and the drain contacts a second portion of the bulk that is physically distinct from the first portion and the gate is disposed on a surface of the bulk in a position between the source and the drain forming a gate/bulk interface; and a polymeric element disposed on a surface of the gate that opposes the gate/bulk interface, wherein the polymeric element comprises a (A) polymer and (B)(i) a compound, or a protonate or salt thereof, having a structure represented by: wherein Y represents an aromatic group or a substituted aromatic group; n is 1 or 2; R is independently H, alkyl, substituted alkyl, a polyether moiety, carboxyl, substituted carboxyl, carbamate, substituted carbonate, carbonyloxy, alkoxy, substituted alkoxy, haloalkyl, halogen, nitro, amino, amido, aryloxy, cyano, hydroxyl, or sulfonyl; R 1 is H, substituted lower alkyl, lower alkyl, substituted aralkyl or aralkyl; R 2 is selected from H, acyl, substituted aralkyl, aralkyl, phosphonyl, —SO 2 R 3 ; —C(O)R 5 ; —C(O)OR 7 or —C(O)NR 9 R 10 ; R 3 ; R 5 ; R 7 ; R 9 and R 10
having nitrogen atoms of urea groups and singly-bound oxygen atoms bound to carbon atoms of the same non-condensed six-membered aromatic ring · CPC title
Acylated substituent nitrogen atom · CPC title
Sulphides, e.g. H2S · CPC title
having nitrogen atoms of urea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton · CPC title
Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS · CPC title
Related publications grouped by family.
Answers are generated from the same data shown on this page.