2013-04-24.log

--- Log opened Wed Apr 24 00:00:06 2013
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rigelany of yall used http://robotframework.org/ ? seems like it integrates with phantomjs et al01:17
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superkuhpaperbot: http://prl.aps.org/pdf/PRL/v110/i17/e17430103:50
paperbotno translator available, raw dump: http://diyhpl.us/~bryan/papers2/paperbot/83a6b2bf8e8daea69d5b92a8abb00812.txt03:50
superkuhpaperbot: http://prl.aps.org/abstract/PRL/v110/i17/e17430103:50
paperboterror: HTTP 500 http://diyhpl.us/~bryan/papers2/paperbot/64a36b49a3af772cbb9f0cd6a3d44a80.txt03:50
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delinquentmepaperbot, http://www.nature.com/ncomms/journal/v4/n4/full/ncomms2745.html05:21
paperbotHTTP 401 unauthorized http://www.nature.com/ncomms/journal/v4/n4/pdf/ncomms2745.pdf05:21
delinquentmephegs!05:21
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industromaticIs there any biodegradable film that will serve as a strong container like paper even while wet for a few days?06:32
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chris_99hmm, i'm not sure how well it comes when wet, but some people made some containers out of fungi iirc06:34
chris_99http://www.smartplanet.com/blog/pure-genius/ecovative-the-new-plastic-is-made-from-mushrooms/571706:35
fenntry PLA (compostable deli containers) or compostable trash bags?06:37
fennneed more info on what you're doing to help06:37
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fennrice hulls are an interesting substance; they're inflammable because the mineral content is so high it forms a protective ash film06:39
fennthis property makes them nearly impossible to dispose of, so there are mountains of the stuff available for free06:39
fennnon-flammable*06:40
chris_99intriguing06:42
chris_99didn't know that06:42
fenni was thinking about using it as house insulation06:44
ParahSail1nload newspaper with borate and it won't burn06:54
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ParahSail1ni think most rice hulls end up going to cows07:01
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delinquentmewhat does the current state of the art look like for sequencing assembly hardware?07:38
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eudoxiapaperbot: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?reload=true&arnumber=626816109:39
paperbothttp://diyhpl.us/~bryan/papers2/paperbot/3187ece783c7f7e64ff2605c0ff0b6a9.pdf09:40
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kanzure"Why not just use gpg to encrypt all the PDFs, using the hostname of the mirror of the password?"10:35
kanzuremirror of the password?10:35
EnLilaSkoI assume "as the password"10:49
EnLilaSkoidk10:49
EnLilaSkoCan anyone help me understand "PRL-8-53 does not produce stimulation or depression of avoidance rate in rats working on a continuous avoidance schedule."?10:50
EnLilaSkoDo they just mean that it doesn't cause any stimulatory effects nor depression?10:50
browniesno, not exactly10:51
browniesit means that it does not alter the avoidance rate in either direction in a statistically significant way10:51
EnLilaSkoWhat is avoidance rate?10:52
kanzurethat's topic-specific. an avoidance schedule has a specific definition. look up the protocol.10:53
EnLilaSkopaperbot: http://onlinelibrary.wiley.com/doi/10.1002/cmdc.201000446/abstract;jsessionid=269962F66DEBE76849053F4302D9C7C9.d03t0210:59
paperbotno translator available, raw dump: http://diyhpl.us/~bryan/papers2/paperbot/40c73dabaefed3a7b54f113f6be8b725.txt10:59
EnLilaSkopaperbot: http://link.springer.com/article/10.1007%2FBF0193482211:01
paperboterror: HTTP 500 http://diyhpl.us/~bryan/papers2/paperbot/b964e6067d5da990a883d76175c9697e.txt11:01
kanzurehmm we're getting a lot of access denied11:01
kanzureabetusk: also there's a GET conference thing in boston happening on the 25th11:37
kanzureand jonathan cluck might be worth saying hi to11:38
kanzurei think patrik is in boston this week?11:38
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EnLilaSkopaperbot: http://www.nature.com/nm/journal/vaop/ncurrent/full/nm.3145.html11:54
paperbotHTTP 401 unauthorized http://www.nature.com/nm/journal/vaop/ncurrent/pdf/nm.3145.pdf11:54
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nmz787EnLilaSko:http://diyhpl.us/~nmz787/Intestinal%20microbiota%20metabolism%20of%20l-carnitine__a%20nutrient%20in%20red%20meat__promotes%20atherosclerosis.pdf12:10
nmz787EnLilaSko: http://www.westonaprice.org/blogs/cmasterjohn/2013/04/10/does-carnitine-from-red-meat-contribute-to-heart-disease-through-intestinal-bacterial-metabolism-to-tmao/12:10
nmz787I'd simply read the latter12:10
EnLilaSkonmz787: I was guessing it was something like that, i.e. medias reporting shit about stuff they don't have a clue about12:13
nmz787yeah12:20
nmz787some key downfalls in the study12:20
nmz787low numbers for study population for the human end12:20
nmz787believing women are equivalent to men, even though there is some metabolic differences known for carnitine/assoc pathways12:21
nmz787converting the amount of carnitine the mice's drinking water had (equivalent to like 1000 steaks per day for a human)12:21
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nmz787delinquentme: suppp12:29
browniessounds like a moonumental amount of steak12:29
kanzurei wish i was better at timezones12:32
delinquentmenmz787, derping on ICvideos12:32
kanzurehttps://mat.boum.org/ was recommended on science-liberation-front for removing metadata from .doc, .pdf, .ppt and other common file formats.12:32
nmz787ICvideos?12:36
nmz787klafka: so what did you learn at the psch conf?12:36
nmz787psych*12:36
klafkahmm i didn't actually get to attend any of the sessions :(12:37
klafkaI was at the dancesafe table the whole time12:37
nmz787aww12:37
klafkai did get to do a lot of networking and stuff12:37
klafkawhich was cool12:37
browniesyou're with dancesafe?12:37
nmz787i heard there is unaio de vegetal or something up in oregon12:38
klafkaoh UDV12:38
nmz787or the other huasca church12:38
klafkait's all over12:38
nmz787but i can't find any good info12:38
klafkabrownies: yes12:38
nmz787just some lady from a news article, and her facebook pages lists her as like a holistic magic person12:38
klafkahttps://mycotopia.net/forums/botanicals/51204-ayahuasxca-now-legal-church-ashland-oregon.html12:38
nmz787or something weird12:38
nmz787so i don't have any legit leads to find these people12:39
klafkaidk if you want to get into that sort of thing you can probably find some 'shaman' in the area12:39
klafkaoh i see12:39
klafkago to like an evolver meetup12:39
nmz787i'm not sure i'd like them if they were all holistic believers12:39
klafkamost of them are going to be like that12:39
klafkahttp://www.evolvernetwork.org/12:39
nmz787i emailed rick strassman not too long ago, he replied :P12:39
nmz787but he's not in oregon12:40
nmz787i don't think12:40
klafkahe was in NM12:40
nmz787at least he was in NM 20 years ago12:40
klafkalol12:40
klafkaare you in pdx12:40
klafkaor ?12:40
nmz787yea12:40
nmz787well burbs12:40
klafkalet me just see12:40
klafkahttps://www.facebook.com/events/491813867546480/505785062816027/?notif_t=plan_mall_activity btw delinquentme12:40
klafkaINTERNET CAT VIDEO FESTIVAL OF OAKLAND12:41
klafkagonna be so good12:41
nmz787lol12:41
nmz787amazing12:41
delinquentmeoh jesus12:41
delinquentmeso good.12:41
brownieswhat did Rick tell you?12:41
klafkanmz787: we have a psychedelic society of sf here12:41
klafkalike if you were really interested i would go to stuff like an evolver meetup or like burner / psytrance events and talk to people12:42
klafkaguaranteed to find someone12:42
nmz787"I'd like to see the DMT-synthesizing gene's regulation studied more.  The brain clearly needs the attention of genetic engineering, and that's going to be a wild ride."12:42
klafkain general psychedelic genomics is a field that is in its super infancy12:43
nmz787yeah12:43
browniesklafka: thing is, those places are full of suspicious hippie nuts, not scientists12:43
nmz787yeah12:43
nmz787that12:43
klafkai would totally switch fields if i could be a psychedelic genomicist12:43
nmz787let's do it12:44
klafkabrownies: that's what you're going to find if you want to find a shaman for an ayahuasca journey12:44
nmz787i'm a fresh biotech/bioinf B.S. (-3 classes)12:44
klafkamaybe you want someone that does like psychedelic therapy ?12:44
klafkawhere they are an actual therapist12:44
nmz787hmm12:44
klafkaidk what do you want12:44
nmz787outsource the work to them, just handle the genomics12:45
klafkayou can just take ayahuasca with someone you trust as a trip sitter12:45
klafkathat is experienced12:45
nmz787guidance is the point of a shaman though12:45
nmz787or therapist12:45
klafkayes12:45
klafkathat's why i said it depends what you want out of it12:45
klafkathat's how you choose your guide12:45
klafkaif you don't want 'hippie nonsense' or perhaps a bit nicer 'spiritual discovery'12:46
klafkathen you don't need a shaman12:46
nmz787i read like 10 years ago on some weird web site that you could learn to edit your own DNA12:46
nmz787that was pretty interesting12:46
nmz787way before i knew much about DNA12:46
nmz787so that would be cool to look into, since I talk about DNA synthesis alot12:46
nmz787but i feel like there would be a LOT of searching through 'noise' when asking people about this12:47
klafkalol yes12:47
klafkanmz787: idk i am immediately intensely sceptical anytime someone talks about DNA in the psychedelic community12:47
nmz787'hmm, you hide you GM appendage well, I can't see it at all'12:47
klafkathat is not an actual mol/cel biologist12:47
nmz787'oh you encoded insivibility for it too'12:47
nmz787'makes sense'12:47
klafkalike terrence mckenna's theory of harmaline resonance with DNA12:48
nmz787I can barely remember that one12:48
nmz787recently i've really started to question the 'innate knowledge in the molecule' concepts12:48
klafkawhy?12:49
nmz787well, it's only got so many degrees of difference from other molecules12:49
nmz787so not that much more info inherent12:49
klafkai guess the knowledge is in the system12:49
klafkait's like going from a neuro transmitter/receptor view of the brain to a neural firing pattern view of the brain12:50
kanzure.... what.12:50
nmz787I'm not convinced we can't do telepathy, so maybe these molecules could actually change brain circuits to resonate and communicate with 'greater consciousness' or the hive or whatever12:50
nmz787hive mind12:50
klafkaidk i have yet to see a convincing argument for telepathy12:51
klafkaor a good example of telepathy existing12:51
kanzureelectronic telepathy has already been demonstrated.12:51
nmz787i did a bunch of research last year12:51
nmz787not much out there12:51
delinquentmeklafka, did I tell you <#12:51
nmz787not a good test system developed12:51
kanzurei'm pretty sure warwick was the first one to demonstrate electronic telepathy with his wife's wrist implant.12:51
klafkawhat does electronic telepathy mean?12:51
nmz787like, put person in a faraday cage and blast them with scanner freq EM from low to really high freq12:52
nmz787and see if they feel anything other than heat12:52
klafkaaah12:52
kanzureklafka: wireless communication over radio.12:52
kanzurebut why are you guys bothering with "innate knowledge inside a molecule" nonsense. wtf?12:52
nmz787or have some scanning transmitter helmet that you wear, and the message encoded on the carrier freq is always the same... some color or sound data... so when you see or hear that, you'll know there's resonance12:53
nmz787kanzure: it's what a lot of hippy/shaman types say12:53
superkuhIt isn't uncommon for people who identify as transhumanists to believe that extremely weak magnetic fields can somehow effect the brain. Usually Russians. This often leads to even worse talk of shared effects from geomagnetic events.12:53
nmz787the best biophysical systems I found that looked a lot like electronics were the electric eel shock systems12:54
nmz787basically like a voltage pump12:54
delinquentmeisnt there some open source / rentable IC fabrication lab?12:55
nmz7871-way membranes aka diodes12:55
kanzuredelinquentme: no, but there's two major companies that offer space on their wafers for ASICs and die packaging. also there's homecmos if you want to do it yourself.12:55
delinquentmeor like a fab lab which does something less than holy-crap-intel-scale-utilization?12:55
nmz787most brain freqs are damn low, but i wonder if that's not because we simply aren't checking the right freqs12:55
nmz787there was a lot of russian data on the eyes emitting photons12:56
delinquentmekanzure, do you know of any processes in IC design for making micro / nano manipulators?12:56
nmz787so more line-of-sight than broadcasting12:56
nmz787delinquentme: micromanipulators are made by pulling glass capillary12:56
nmz787delinquentme: IC wafer fabs pull crystals, so similar but not same12:56
delinquentmebut I mean a process to etch manipulators through a chip-fab process12:57
nmz787depends what manipulator you want12:58
nmz787if it's for cells, then need to be hollow12:58
nmz787so easier to pull and snap12:58
nmz787maybe you could make layers12:58
nmz787and have a boxy manipulator12:59
delinquentmeand the design software? probs just something like cad?13:00
kanzurefor wafer masks people tend to use things like autocad dxf :(13:01
kanzurealso sometimes the masks are autogenerated from vlsi verilog/vhdl things.13:01
kanzure"Organovo Holdings, Inc., a company that designs and creates functional human tissue has announced at this year's Experimental Biology Conference that it has developed a 3D printing technique that is able to produce small samples of human liver tissue. They claim their new process allows for printing 500 micron thick liver tissue, amounting to 20 cell layers, which is able to produce cholesterol and some of the enzymes produced by the natural ...13:02
kanzure... liver. The liver samples produced, the company said, can be used by researchers looking to test the efficacy of new drugs designed to treat liver diseases or to test side effects on the liver of drugs created for other purposes."13:02
kanzurehmm i'm not sure what the point is for testing purposes. how exactly similar are their tissues to actual human tissue?13:02
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nmz787so this isn't that funny or witty http://memegenerator.net/instance/3725302315:21
nmz787i'm not sure how to do better15:21
kanzurehttp://www.joachim-breitner.de/blog/archives/593-The-carbondioxide-footprint-of-Debians-Haskell-packages.html15:28
kanzure"By now, Debian ships quite a lot of Haskell packages (~600). Because of GHC's ABI volatility, whenever we upload a new version of a library, we have to rebuild all libraries that depend on that. In particular, if we upload a new version of the compiler itself, we have to rebuild all Haskell library packages. So we have to rebuild stuff a lot. Luckily, Debian has a decent autobuilding setup so that I just need to tell it what to rebuild, and ...15:29
kanzure... the rest happens automatically (including figuring out the actual order to build things)."15:29
kanzure"During the last four days a complete rebuild was happening, due to the upload of GHC 7.6.3. During these 2 days and 18 hours building 537 packages took 48 hours of build time and produced 15kg of CO2. That is 94% of all uploads and 91% the total build time. The numbers are lower for the whole of last year: 52% of uploads, 31% of build time and 57kg of CO2."15:29
ParahSailinlol15:31
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ThomasEgiand that is why i install precompiled packages. and not running on a source-and-self-compile distro16:07
ThomasEgienvironmental reasons.. and lazyness. mainly lazyness.16:07
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kanzuresomeone posted some helpful things about the solidworks file format https://groups.google.com/forum/?fromgroups=#!topic/openmanufacturing/Fv2Ovmxnfyw16:57
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nmz787paperbot: http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=5588008&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D558800817:21
paperbothttp://diyhpl.us/~bryan/papers2/paperbot/d569853ecbe85c4c1d3e702510051ca3.pdf17:21
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nmz787fenn: are you around?19:35
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kanzuredon't ask to ask etc..19:36
kanzurealso see the corollary ("just ask")19:37
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nmz787wasn't that a question?20:11
nmz787i mean, i /did/ ask something20:11
kanzureyes but what about just saying what you need?20:11
nmz787fenn: where are you these days?20:13
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brownieskanzure: hang on, i have a question about asking to ask. can i ask that here?20:37
Juulany good DNA day offers today?20:41
kanzurebrownies: you forgot /quit to make it look realistic20:42
yashgaroth"offering a 50% discount on gBlocks™ Gene Fragments* for one day only. gBlocks Gene Fragments are double-stranded, sequence-verified genomic blocks up to 500 bp"20:42
browniesheh20:44
kanzurecambrian genomics recently raised a few million20:46
kanzurei think this is not the SBIR money from DARPA.20:46
kanzure"The novel aspect of the Cambrian Genomics approach comes from the fact that they make many thousands of copies of their sequence, ensuring that at least some proportion will have been made with the proper sequence."20:48
kanzurethat's not novel.. that's a lie.20:48
kanzure"Cambrian Genomics brings in lasers only once the plate is covered with many thousands of DNA-carrying beads, and once each of the beads has been sequenced. With so many copies made, some predictable portion will have been made error-free, and an automated laser flits about over the plate and blasts any beads with a desired sequence off of the plate and into a collector. "20:49
kanzureso uh i don't remember that part20:49
kanzurei think fenn didn't know about that20:49
kanzureyashgaroth: verdict?20:49
yashgarothman until I get a full tech brief on their process I'm gonna continue being skeptical20:50
kanzureit's just normal dna synthesis20:51
kanzureexcept they sequence each bead20:51
yashgarothbut how20:51
kanzurei'm sure plate sequencing is already a thing20:51
kanzure... right?20:51
yashgarothnot as much for single molecules20:51
kanzureno they are beads20:51
yashgarothwith single molecules on them20:51
yashgarothpresumably you're running the same synthesis process on all the beads, but each single strand may have errors20:51
kanzureright20:51
yashgarothso you have to find single molecules that have the correct sequence, which is hard20:52
yashgarothsince single-molecule sequencing is terribly error prone, and/or impossible when it's stuck to a huge bead20:52
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kanzureit's possible that they wash the beads and then sequence. dunno.20:53
yashgarothwell sure they can wash it20:53
kanzureanyway the laser part is the important detail. i didn't know they were using lasers to push beads around.20:53
yashgarothwhen you're as cutting edge as cambrian, you gotta have a laser or two in there somewhere20:54
kanzurewell, if you use magnets you end up with possible contamination20:55
kanzureunless you can time it right so that you levitate an object briefly, turn off the electromagnet, then have the bead fall into place somewhere.20:55
nmz787they're using some sequence by template matching or something20:55
nmz787template or ligtaion20:55
nmz78710mers though20:55
nmz787the laser induced forward transfer is well known tech actually20:56
kanzureyes i'm aware it's well known tech20:56
kanzurebut i didn't know they were using that idea in particular20:56
nmz787and helicos does single molecule sequencing by synthesis on a plate with a microscope reading the seq20:57
nmz787it's still not making things cheaper though, as far as I can tell20:57
kanzureyeah, but yashgaroth is claiming the method is impossible (or something)20:57
nmz787they're just automating the existing pruning process20:57
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kanzurei don't remember the specific binding chemistry though20:58
kanzureantibody? biotin? who knows.20:58
nmz787which binding?20:58
nmz787i'm pretty sure it's just stuck in the think liquid layer20:58
nmz787thin20:59
nmz787emulsion20:59
nmz787polonator tech20:59
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nmz787(joe kaufman mentioned it was prob polonator tech, the night after i visited cambrian)20:59
kanzureprob?21:00
yashjust sayin', single molecule reading by CCD or whatever is fine if you have many copies of a sample so you can figure out errors from individual molecules' sequences21:00
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kanzurenmz787: i think you should revisit the pacbio paper. they were specifically binding the enzyme to the bottom of the well with some linker chemistry.21:01
nmz787probably*21:02
nmz787kanzure: that's not helicos tech though21:02
kanzureyash: if your complaint is that individual beads will have millions of possibly-wrong sequences, then i could understand where you're coming from. maybe they get better-enough yields from this method than not doing it at all, so they view it as a net gain.21:02
nmz787helicos just uses damn good fluorophores21:02
nmz787i wish i could buy their reagent refill kit21:02
nmz787or get a price on it21:03
nmz787i have a simple way to fix the error much closer to the source, simply by gel filtering between synthesis steps21:04
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yashgarothgod damnit21:04
kanzureyash: if two beads have different error rates, just select the one with the better error rate. also you could do pcr and whichever sequence ends up winning could be sequenced, and then you can be sure about whether or not it's errored.21:04
yashgarothwhy would different beads have different error rates21:05
kanzure"actual" error rate21:05
kanzure"observed" error rate i mean.21:05
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yashgarothif you have to do pcr and amplify the sequence and then sequence it, you're not doing much better than traditional methods21:06
kanzureyeah nevermind. doesn't matter. when you do 40 cycles of PCR, your population is going to end up dominated by a winning sequence, and that's the one you sequence. and that one might have an error or not.21:06
yashgarothI guess they could reduce the proportion of bad sequences but it's not groundbreaking21:06
kanzurewell reducing the proportion of bad sequences might be grounbreaking if it actually reduces the cost of synthesis21:06
kanzure*groundbreaking21:07
kanzureof course, i wouldn't call it groundbreaking in that scenario anyway :)21:07
ParahSail1nyou guys are talking about the laser printing of genes?21:08
yashgarothI don't see why they have to be so damn secretive if they've got a patent, unless china or something21:08
kanzureit's not laser printing.21:08
ParahSail1ni should have put the quotation marks21:09
ParahSail1nwhat is their supposed technology anyway\21:10
kanzuresynthesis on a plate, then sequencing on a plate (i guess?), then using a laser to bump the beads off the plate for conjugation.21:11
yashgarothit seems to be something about 'run traditional synthesis on beads, where there's a single strand on each bead somehow, then sequencing those individual strands'21:11
kanzure+ ignore the beads that probably have a bad sequence21:11
kanzureyashgaroth: i don't think there's a single strand on each bead.21:11
yashgarothwell there better be because unless you're reading a single strand the result is useless21:11
kanzurenmz787: i'm not going to watch an entire video just to hear the three seconds of detail. could you just summarize what the actual method is?21:15
ParahSail1nis singularity university siai?21:20
kanzureno21:21
kanzurehowever, siai sold their branding to singularity university recently21:21
kanzureso the answer is "yes" in that sense..21:21
ParahSail1nwho is behind cambrian21:21
kanzurehttp://anselmlevskaya.com/ and george church21:22
yashgarothgeorge church is behind as in 'previously involved'21:22
kanzurei think the full list is sagar indurkhya, austen heinz, reese jones, john mulligan, anselm levskaya, and george church21:22
kanzureyeah who knows what george is actually up to21:22
nmz787kanzure: actually they're using the oligomaker from azcobiotech21:22
yashgarothnot cambrian, that much we know21:22
nmz787kanzure: the video was linked to the second21:23
kanzurewhat?21:23
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nmz787the method is use this to make 150mer oligos http://www.azcobiotech.com/instruments/OligoArray.php21:24
kanzureno what does "linked to the second" mean?21:24
nmz787attach to beads, do emulsion PCR to amp each oligo21:24
nmz787do some template matching/ligation sequencing21:24
nmz787for good matches, use laser to induce forward transfer to a plate below21:25
kanzurethey are willing to do emulsion pcr in batch? alright..21:25
nmz787collect an aliquot from each well on output plate, do gibson, etc21:25
ParahSail1ni wonder if you could do bridge amplification on solid support ala illumina21:25
nmz787the emulsion keeps the chemistry localized according to j kaufman21:25
nmz787so each bead is clonal21:25
kanzureyeah i'm familiar with emulsion pcr but it was always a huge pain in the butt21:25
ParahSail1nand do the sequencing of clusters ala illumina21:25
kanzurehow are they extracting beads from an emulsion? i don't get it.21:26
ParahSail1nand then pick out your beads with a laser21:26
nmz787they also had an myseq or hiseq there21:26
kanzurei guess it wouldn't require too much more force if it was suspended in emulsion21:26
ParahSail1nemulsion pcr seems dubious when illumina's bridge amplification is established to work well21:27
nmz787it doesn't seem to matter21:28
ParahSail1ni wonder if cambrian has any interesting ligation ideas21:28
nmz787as long as it's clonal amp21:28
kanzurenah i'm sure they just use gibson assembly21:28
ParahSail1nthat azco thing is pretty cool21:29
ParahSail1nthe promise of .03 cents that is, couldnt say if there are deliverables yet21:30
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kanzurethis is neat:21:37
kanzurehttp://www.seomoz.org/blog/machine-learning-and-link-spam-my-brush-with-insanity21:37
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MokstarHowdy folks22:12
MokstarWho was that fellow who was building NIR EEG systems?22:12
ParahSail1nkanzure is a huge fan of EEG22:18
Mokstarkanzure, do you know anything about NIR HEG?22:18
kanzureaaaaaah22:18
kanzureParahSail1n: stop it people will believe you22:18
kanzurehttp://openoptogeneticsblog.org/?p=38322:19
kanzure.title22:19
yoleaux3D waveguide array for optogenetic neuronal stimulation | OpenOptogenetics22:19
kanzureiirc ed boyden had an infrared-related apparatus but i dunno if it was near-infrared or if it was HEG or EEG... i doubt it was EEG.22:20
kanzurebtw don't listen to ParahSail1n, because i really don't like EEG.22:20
Mokstaryeah, you like scrambling people's eggs with ultrasound! :p22:20
Mokstareeg = electrical, heg = hemoglobin22:21
kanzureoh maybe you are thinking of "functional near infrared optical brain imaging"22:22
Mokstardamn22:23
Mokstardid I say NIR EEG?22:23
* Mokstar slaps himself.22:23
MokstarI blame... someone else.22:23
MokstarI was gonna ask about what wavelength would work best, but then I just looked up the absorption spectrum of hemoglobin22:24
kanzurei don't know anyone doing fNIR things..22:25
kanzuredo i? i'm really confused. why have i not seen this?22:26
kanzurewhat sort of depth does it provide? this does not tell me many things: http://www.andrewpatrick.ca/wp-content/uploads/t004map.jpg22:26
Mokstarafaik it's pretty broad, I was interested in using it to suss regional frequencies22:27
Mokstarin combo with tDCS22:27
kanzurewhat does broad mean?22:27
kanzurepaperbot: http://onlinelibrary.wiley.com/doi/10.1111/1469-8986.00053/abstract22:28
paperbotno translator available, raw dump: http://diyhpl.us/~bryan/papers2/paperbot/7b3e93b22179038ecf06b073c42a1c6b.txt22:28
kanzurepaperbot: http://www.ingentaconnect.com/content/bpl/psyp/2003/00000040/00000004/art0000422:28
paperboterror: HTTP 500 http://diyhpl.us/~bryan/papers2/paperbot/7ed2f4f47eae18a301ac0a6c73944675.txt22:28
Mokstarwhatever I think it means!22:28
kanzureman what's the point of paperbot if everything is blocked22:30
Mokstarscattering limits the precision22:30
Mokstarin terms of surface area22:30
kanzurepaperbot is just a reminder of how much crap i can't read.22:31
Mokstarlooking like 660nm22:39
Mokstar... is that a twist tie?22:40
Mokstarhttp://bio-medical.com/products/heg-nir-headband.html22:40
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MokstarMechanistic claims are unsupported as no reverse causal relationship between blood flow increase and neuronal activity has been found yet [7]22:52
Mokstar:(22:52
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