2014-01-09.log

--- Log opened Thu Jan 09 00:00:18 2014
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kanzurethere is a hatsune miku-sponsored racing team https://www.youtube.com/watch?v=Ra43oZhLliw&list=SP-pKPpZ1Q5NYbpC_fY9RToOVfVaaH1i-H08:22
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delinquentmeAnyone know of exceedingly simple microfluidics where the entire system is contained on chip ? Specifically I'm looking for really simple pumping systems09:37
delinquentmeI've been thinking about reproducibility for microfluidics ... but a difficult bit is when they're using syringe pumps external to the chip to perform the operation09:37
delinquentmeif the pumping mechanisms were designed on-chip ... everything would be a snap to replicate09:38
kanzurewell it's not going to be self-powered if that's what you're looking for09:38
delinquentmenah doesnt need to be ... but you could stick in a pump that is user operated with just a depressable area on the chip09:38
delinquentmeTheres this emeral biosciences serial dilution for crystalization that I think I could replicate without hooking up syringe pumps :D09:39
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nmz787chris_99: check this out for your ADC and DAC needs... $20 for the dev boards, I just got 3 in so we could work on the code together if you'd like! http://www.lpcware.com/content/faq/lpcxpresso/using-lpclink2-as-lpc4370-eval11:13
nmz787chris_99: you know you can low-pass filter PWM to make a DAC11:14
chris_99yeah i've heard that.  What Msps are they?11:14
chris_99i'm confused what those boarsds are?11:17
chris_99looks like their ADC can only do  400 kSamples/s11:21
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chris_99what are you making nmz787?11:30
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nmz787no, 80 msps11:44
nmz787only mcu with such high sample rate11:45
chris_99where does it say 80msps11:47
chris_99is it more than just the LPC4370 then?11:47
nmz787no its integrated11:47
nmz787called adchs11:48
nmz787in datasheet11:48
chris_99ah sorry i missed that bit 'One 6-channel, 12-bit high-speed ADC (ADCHS) with DMA support and a data conversion rate of 80 MSamples/s'11:48
chris_99i already got a 16 bit chip from Ti, @ 100Msps, and a QFN adapter for it, but that does look cool11:49
chris_99of wait that's an ADC11:50
chris_99*oh11:50
chris_99i need 100Msps DAC11:50
chris_99(which is what i got from Ti, i mean)11:50
chris_99sorry i'm being completely stupid today11:51
nmz787oh wow that's quite fast oh wow that's quite fast11:51
nmz787books on the phone and using voice to text11:52
nmz787whoops  *11:52
chris_99sorry to rephrase, what i actually have is a Ti 100Msps ADC 16 bit, and 30Msps i think DAC from Analog11:52
chris_99i need 16 bit on the ADC really11:53
chris_99to get the accuracy i need11:53
chris_99from what i've read11:53
chris_99also the DAC is 14 bit11:54
kanzurewhat was that story about a sysadmin's presence causing bugs to appear/go away, and it turned out to be something about the electrostatic properties of his clothings?11:54
kanzurethis was from some unix folklore site (maybe it was on an esr site but i dunno)11:55
nmz787sometimes you can oversample to  achieve more effective number of bits11:55
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kanzureoh i guess there was http://www.catb.org/jargon/html/magic-story.html11:56
kanzurebut that's not exactly what i'm aiming for11:56
chris_99i was just about to link to that11:57
chris_99what are you making anyway nmz787?11:58
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nmz787spectrometers, machine vision and lithography12:35
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chris_99i was just thinking 200MHz clock speed would probably be too slow for me even if i could use the ADC, as i couldn't process the signal in realtime at that speed afaik12:38
nmz7873 corese12:41
nmz787even with 3 cores? whay are you doing?12:41
nmz787what12:41
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chris_99hmm i'm not sure, it depends, do the cores do 200MIPS, i need to process the signal in realtime, maybe it's possible, but it could be pushing it12:44
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chris_99i'm trying to perform peak detection on a number of pulses, from the ADC12:46
nmz787if you dont have a clock to trigger on you12:47
nmz787you'll need a sample delay or oversample12:48
chris_99sorry don't understand you,  what my plan is, is to do: ADC------->FPGA<------DAC12:48
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nmz787if you dont know when the peak is, you'll have to look for more times than it's occuring12:52
chris_99the pulses are only @ 2MHz, i'm sampling at 100Mhz12:52
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nmz787ahh, good then12:57
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nmz787what fpga are you looking at, something in an eval board? ive got a de0-nano that i havent done much with12:58
chris_99i've got one from china atm, but i'm looking @ the cyclone iv12:58
chris_99on sec i'll link you12:58
chris_99this is the one i'm thinking of getting http://www.ebay.co.uk/itm/261188850625?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l264912:59
chris_99as it can operate up to 400Mhz iirc12:59
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phillyjpaperbot: http://www.indianjournals.com/ijor.aspx?target=ijor:ijphrd&volume=2&issue=1&article=03513:36
paperbothttp://diyhpl.us/~bryan/papers2/paperbot/dd87e40b144acc22fda21a4902a11ee.txt13:36
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JayDuggerkanzure, there's a story in David Agans's "Debugging" about a plaid shirt causing a video encoding hardware system to crash.16:59
JayDuggerPerhaps one anecdote influenced the other.16:59
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kanzurehaven't heard that one before17:17
kanzurecathal garvey has asked me to "suck it up" and use retroshare17:20
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superkuhRetroshare is great.17:23
superkuhI've managed to convince a lot of my peers and even some family to use it. I'd never have been able to get them to use public key encryption any other way.17:24
kanzuredid this convincing happen before or after the snowden leaks?17:25
superkuhAfter.17:25
superkuhIt definitely influenced my peers.17:25
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kanzureyashgaroth: what do you think about synthesizing etanercept? it looks like it's a typical fusion protein18:35
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yashgarothyeah wouldn't be too hard, decent expression for antibody fusion proteins; still gotta spend a lot of effort getting a high-producing stable mammalian cell line, but once you have that...18:37
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kanzurewhat type of cell line?18:37
yashgaroththey probably use some sort of CHO18:37
kanzureso pretty standard18:38
yashgarothvery much so18:38
kanzurenot much black magic going on here18:38
kanzurehmm18:38
kanzurein fact it looks like all of this can happen through science exchange18:38
kanzuretypical hu-man dosage is 25 mg/week18:39
kanzure50 mg/week18:39
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yashgaroththat's a pretty low dose compared to most mAbs18:40
ParahSailinkanzure: you really wanna get some antibody drugs?18:41
kanzurejust musing18:42
kanzurei'm not an old lady with super arthritis18:42
ParahSailinavastin?18:43
kanzuresomeone was complaining about an increase in price of their drugs18:43
kanzureor insurance coverage was dropping it18:44
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TechnicusHello, I went over to #mac, so that I could ask questions about building a hackintosh . . . but the topic includes a bannin clause for asking about it: " Breaking NDA, asking about warez, hackintosh, unsupported VMs or proprietary information = kickban".  Is it approporate to discuss hackintosh here?23:06
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justanotheruseryo paperbot can you serve me this paper http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6547113&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D654711323:19
justanotheruserpaperbot http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=6547113&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D654711323:19
paperbothttp://libgen.org/scimag/get.php?doi=10.1109%2FSP.2013.4723:19
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justanotheruserpaperbot: http://dl.acm.org/citation.cfm?id=251787823:22
paperbothttp://libgen.org/scimag/get.php?doi=10.1145%2F2517872.251787823:22
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