1. A process for converting a feedstock into one or more olefin(s) in the presence of a molecular sieve catalyst composition prepared by combining a molecular sieve containing a template, a binder having an isoelectric point (IEP) greater than 9, and a matrix material in a slurry, wherein the slurry has a pH above or below an IEP of the molecular sieve and is fed to a forming unit to form a molecular sieve catalyst composition in a dried state, and the catalyst composition in the dried state is activated by calcining to remove the template.
2. The process of claim 1 wherein the feedstock comprises oxygenates.
3. The process of claim 1 wherein the molecular sieve catalyst composition has an ARI less than 2 weight percent per hour.
4. The process of claim 1 wherein the pH of the slurry is in the range of from 2.3 to about 6.2.
5. The process of claim 1 wherein the matrix material has a negative charge, the binder and the molecular sieve having a positive charge at the pH of the slurry, and the IEP of the molecular sieve is in the range of from about 3.5 to about 6.5.
6. A process for producing one or more olefin(s), the process comprising the steps of:
(a) introducing a feedstock to a reactor system in the presence of a molecular sieve catalyst composition formed from a slurry of a molecular sieve containing a template, a binder having an IEP greater than 9, and a matrix material, wherein the slurry is at a pH below or above an IEP of the molecular sieve and is fed to a forming unit to form a molecular sieve catalyst composition in a dried state, and the catalyst composition in the dried state is activated by calcining to remove the template,
(b) withdrawing from the reactor system an effluent stream; and
(c) passing the effluent gas through a recovery system recovering at least the one or more olefin(s).
7. The process of claim 6 wherein the process further comprises the step of:
(d) introducing the molecular sieve catalyst composition to a regeneration system to form a regenerated molecular sieve catalyst composition, and introducing the regenerated molecular sieve catalyst composition to the reaction system.
8. The process of claim 6 wherein the feedstock comprises methanol, and the olofin(s) include ethylene and propylene, and the molecular sieve contains a silicoaluminophosphate.
9. The process of claim 6 wherein the molecular sieve catalyst composition has an ARI less than 2 weight percent per hour.
10. The process of claim 6 wherein the binder is an alumina sol having a positive charge at the pH of the slurry.
11. An integrated process for making one or more olefin(s), the integrated process comprising the steps of:
(a) passing a hydrocarbon feedstock to a syngas production zone to producing a synthesis gas stream;
(b) contacting the synthesis gas stream with a catalyst to form an oxygenated feedstock; and
(c) converting the oxygenated feedatock into the one or more olefin(s) in the presence of a molecular sieve catalyst composition having an ARI less than 2, wherein a slurry comprising a molecular sieve containing a template, a binder having an IEP geater than 9 and matrix material having a pH below or above an IEP of the molecular sieve is spray dried to form the molecular sieve catalyst composition, and the spray dried catalyst composition is activated by calcining to remove the template.
12. The integrated process of claim 11 wherein the process further comprises the step of: (d) polymerizing the one or more olefin(s) in the presence of a polymerization catalyst into a polyolefin.
13. The integrated process of claim 11 wherein the oxygenated feedstock comprises methanol, the olefin(s) include ethylene and propylene, and the molecular sieve catalyst composition contains a silicoaluminophosphate molecular sieve.
14. The integrated process of claim 11 wherein the molecular sieve catalyst composition has an ARI less than 1 weight percent per hour.
15. The integrated process of claim 11 wherein the molecular sieve is synthesized from the combination from at least two of the group consisting of a silicon source, a phosphorous source and an aluminum source, optionally in the presence of a ternplating agent.
16. The integrated process of claim 11 wherein the pH of the slurry is in the range of from about 2.3 to 6.2.
17. The process of claim 1, wherein the molecular sieve includes at least a SAPO molecular sieve or a metal substituted SAPO molecular sieve.
18. The process of claim 17, wherein the molecular sieve includes at least a SAPO-34 molecular sieve.
19. The process of claim 6, wherein the molecular sieve includes at least a SAPO molecular sieve or a metal substituted SAPO molecular sieve.
20. The process of claim 19, wherein the molecular sieve includes at least a SAPO-34 molecular sieve.
21. The process of claim 11, wherein the molecular sieve includes at least a SAPO molecular sieve or a metal substirnied SAPO molecular sieve.
22. The process of claim 21, wherein the molecular sieve includes at least a SAPO-34 molecular sieve.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for in vivo imaging a retinal cell, the method comprising:
obtaining a first, in-vivo image of the at least one retinal cell;
obtaining a second, in-vivo image of the at least one retinal cell;
adjusting at least one of the first, in-vivo image and the second, in-vivo image to account for a movement of the at least one retinal cell; and
generating a final, in-vivo image based at least in part on the adjusting.
2. The method of claim 1, further comprising obtaining the first image and the second image simultaneously or substantially simultaneously.
3. The method of claim 1, wherein the first image is captured with a first detector and the second image is captured with a second detector.
4. The method of claim 1, wherein the first image is captured at a first frequency and the second image is captured at a second frequency.
5. The method of claim 1, wherein the generating step further comprises averaging the first image and the second image.
6. The method of claim 1, further comprising:
providing at least one dye to the at least one cell; and
optically exciting the at least one dye.
7. The method of claim 6, wherein the at least one dye includes at least one of rhodamine, Alexa 594, green fluorescence protein, and fluorescein.
8. The method of claim 6, wherein the providing includes injecting the at least one dye into at least one layer of a lateral geniculate nucleus (LGN).
9. The method of claim 1, wherein the cell includes at least one of a retinal ganglion, a retinal pigment epithelial cell, a capillary cell, and a Muller cell.
10. The method of claim 6, wherein the exciting includes exciting the at least one dye using at least one of a 530 nm light, a 568 nm light, 830 nm light, and a 904 nm light.
11. The method according to claim 6, wherein the obtaining includes obtaining the at least one image using an adaptive optics scanning laser ophthalmoscope (AOSLO).
12. The method according to claim 11, wherein the AOSLO includes at least two imaging lasers and at least two detectors.
13. The method according to claim 6, wherein the obtaining includes obtaining at least two images from at least two spectral bands simultaneously or approximately simultaneously.
14. The method of claim 1, wherein the first image includes at least one of a reflectance image and a fluorescence image.
15. The method of claim 14, wherein the second image includes at least one of a reflectance image and a fluorescence image.
16. The method of claim 1, wherein the second image includes at least one of a reflectance image and a fluorescence image.
17. The method of claim 1, further comprising:
obtaining a reflectance image of the at least one cell;
obtaining a fluorescence image of the at least one cell;
adjusting at least one of the reflectance image and the fluorescence image to account for a movement of the at least one cell; and
generating the final, in-vivo image based at least in part on the adjusting.
18. The method of claim 17, further comprising removing warp from at least one of the at least two images.
19. The method of claim 18, wherein the removing includes:
measuring horizontal warp using a linear line-pair grating positioned at a focal plane of a model eye lens inserted at a pupil plane of the eye; and
performing at least one of stretching and compressing the at least one of the at least two images to correct the warp.
20. The method of claim 17, wherein the at least one cell includes at least one blood vessel.