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New York, 2:28 PM
Sat Nov 28
21 posts in the last 24 hours

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  • posts about #chemistry more →

    The Chemistry of Thanksgiving

    Gifts for Science Nerds Who Love To Experiment

    The Circular Periodic Table of Elements

    Lab-in-a-Chip Can Perform 1,024 Chemical Reactions Simultaneously

    Apparently We Can Turn Carbon Dioxide Into Eco-Friendly Biofuels Now

    How To Build Your Own Chemistry Set

    Periodic Table of Videos Makes Chemistry Extremely Watchable

    Make Mountain Dew Glow in the Dark Like a Lightning Bug
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    Dsmvwl  Admin  Promote to frontpage Approve user Ban user ×
    Image of GitEmSteveDave_DefinesTurgid GitEmSteveDave_DefinesTurgid
    11/26/09

    In reply to The Chemistry of Thanksgiving
    And yes, I do war a labcoat while around my house. [consumerist.com]
     Reply
    GitEmSteveDave_DefinesTurgid was starred GitEmSteveDave_DefinesTurgid was unstarred
    Image of badhatharry badhatharry
    11/20/09

    In reply to Gifts for Science Nerds Who Love To Experiment
    This is my favorite nerd shirt:
     Reply
    Edited by badhatharry at 11/20/09 7:43 PM badhatharry was starred badhatharry was unstarred
    Image of badhatharry badhatharry
    11/20/09


    @badhatharry:
     Reply
    badhatharry was starred badhatharry was unstarred
    Image of FriarNurgle FriarNurgle
    11/20/09

    In reply to Gifts for Science Nerds Who Love To Experiment
    Ohhh! "Tinker." I first read that as "Tinkle."
     Reply
    Jrsy Devil's Advocate® promoted this comment FriarNurgle was starred FriarNurgle was unstarred
    Image of Jrsy Devil's Advocate® Jrsy Devil's Advocate®
    11/20/09

    @FriarNurgle: That's what the jar in picture #2 is for..
     Reply
    Jrsy Devil's Advocate® was starred Jrsy Devil's Advocate® was unstarred
    Image of RobinSure RobinSure
    11/20/09

    @Jrsy Devil's Advocate®: Which I'm not happy about the name of. Unless it comes with little ferrite rods to allow you to build actual bucky ball models with.
     Reply
    Jrsy Devil's Advocate® promoted this comment RobinSure was starred RobinSure was unstarred
    Image of PCGUY727 PCGUY727
    11/21/09

    @Jrsy Devil's Advocate®: Jarate. Level 8 Jar-Based Karate. Coated enemies take mini-crits; also useful for putting out a fire!
     Reply
    Jrsy Devil's Advocate® promoted this comment PCGUY727 was starred PCGUY727 was unstarred
    Image of Monkey Bars Monkey Bars
    10/09/09

    In reply to The Circular Periodic Table of Elements
    Obama didn't get the Nobel Prize for chemistry. Two Americans and an Israeli are sharing it for their research into ribosomes.
     Reply
    Coolmodo promoted this comment Monkey Bars was starred Monkey Bars was unstarred
    Image of Coolmodo Coolmodo
    10/09/09

    @Monkey Bars: Did you completely miss the memo on humor? How did you manage that? What's your secret?
     Reply
    Coolmodo was starred Coolmodo was unstarred
    Image of nutbastard nutbastard
    10/09/09

    In reply to The Circular Periodic Table of Elements
    oh whooops i thought that was the map for black rock city 2010.
     Reply
    nutbastard was starred nutbastard was unstarred
    Image of Kaiser-Machead Kaiser-Machead
    10/09/09

    In reply to The Circular Periodic Table of Elements
    The designer could've at least oriented the letters accordingly so that it was akin to a clock, that way, rotating the entire chart would not be necessary. The standard periodic table is not hard to read or navigate. If you need to find anything from Alkali metals to halogens, it's all color coordinated and oriented in the most usable way possible. No thanks.
     Reply
    Kaiser-Machead was starred Kaiser-Machead was unstarred
    Image of jamjen jamjen
    10/09/09

    In reply to The Circular Periodic Table of Elements
    Having taken way too many Chemistry courses, I'd say this is pretty useless, at leased in my view. Maybe if the groups were better labeled... But the whole "it shows the sizes of the atom" - so does the current table. I thin kit's way less intuitive also, things like electro-negativity look a bit more confusing to figure out (I guess you just need a starting and ending point, but still.)
     Reply
    Don Nguyen promoted this comment jamjen was starred jamjen was unstarred
    Image of Don Nguyen Don Nguyen
    10/09/09

    @jamjen: Absolutely agreed. It makes electronegativity harder to intuitively spot. Dumb organization for an already elegant model.
     Reply
    Don Nguyen was starred Don Nguyen was unstarred
    Image of tomsomething tomsomething
    10/09/09

    @Don Nguyen: Definitely. With Mendeleev's, you can put the darn thing on a wall, and everyone can glance at it without having to cock their heads.

    Also, when you put them in a circle like this, won't that put certain atoms adjacent to each other when they should actually be opposite each other?
     Reply
    Don Nguyen promoted this comment tomsomething was starred tomsomething was unstarred
    Image of Sockatume Sockatume
    10/09/09

    In reply to The Circular Periodic Table of Elements
    The regular periodic table gives you an idea of the size of the atoms too. Going from one row - or PERIOD - to another, the size of the atoms increases because you add an electron shell. All he's done is stuck the left and right ends of the standard periodic table together to suggest a nonexistent circularity in properties in each period.

    I can't make head nor tail of the relationships this is supposed to imply. Why are the rare earth metals at the end of the period for the first two rows? Why do hydrogen and helium point at the transition metals? How does the atomic number change across the diagram?
     Reply
    Sockatume was starred Sockatume was unstarred
    Image of phunnyballs phunnyballs
    10/09/09

    In reply to The Circular Periodic Table of Elements
    Really?

    Umm, we used this bad boy in my chemistry class:
     Reply
    phunnyballs was starred phunnyballs was unstarred
    Image of OCEntertainment OCEntertainment
    10/09/09

    @phunnyballs: They call this one The Inverted Fallopian.
     Reply
    OCEntertainment was starred OCEntertainment was unstarred
    Image of SuperTuna SuperTuna
    10/09/09

    @phunnyballs: So when I roll a 9 - where do I start?
     Reply
    Sticks Calhoun promoted this comment SuperTuna was starred SuperTuna was unstarred
    Image of kagekiri kagekiri
    10/09/09

    @OCEntertainment: Looks like the infinity symbol developed a malignant growth...
     Reply
    kagekiri was starred kagekiri was unstarred
    Image of hoffmanbike hoffmanbike
    10/09/09

    In reply to The Circular Periodic Table of Elements
    wow... i made something roughly like in highschool ....... my chem teacher told me it was stupid
     Reply
    Kaiser-Machead promoted this comment hoffmanbike was starred hoffmanbike was unstarred
    Image of Kaiser-Machead Kaiser-Machead
    10/09/09

    @hoffmanbike: I hate dickhead teachers that flat out call ideas stupid, rather than actually explaining why something doesn't work.
     Reply
    Edited by Kaiser-Machead at 10/09/09 1:02 PM Kaiser-Machead was starred Kaiser-Machead was unstarred
    Image of lostarchitect lostarchitect
    10/09/09

    @Kaiser-Machead: A friend of mine had a physics teacher who, when he didn't know the answer to a question, would say "because god made it that way." no joke. this was not a religious school.
     Reply
    Kaiser-Machead promoted this comment lostarchitect was starred lostarchitect was unstarred
    Image of Kaiser-Machead Kaiser-Machead
    10/09/09

    @lostarchitect: This makes my brain cry.
     Reply
    Kaiser-Machead was starred Kaiser-Machead was unstarred
    Image of BigDogues BigDogues
    10/09/09

    @Kaiser-Machead: I had a science teacher in high school that berated me in front of the whole class because I made a reference to being able to see the sun and the moon in the sky at the same time. (she swore this was impossible)
    Try looking up once in a while stupid bitch.
     Reply
    Kaiser-Machead promoted this comment BigDogues was starred BigDogues was unstarred
    Image of Kaiser-Machead Kaiser-Machead
    10/09/09

    @BigDogues: OK I need to know where the HELL people go to school where these are the kinds of science teachers you have, so I can stay the fuck away.
     Reply
    Kaiser-Machead was starred Kaiser-Machead was unstarred
    Image of OCEntertainment OCEntertainment
    10/09/09

    @Kaiser-Machead: You should know by now Kaiser, no matter what you just heard there will always be something worse:

    [emailsfromcrazypeople.com]
     Reply
    OCEntertainment was starred OCEntertainment was unstarred
    Image of The Lab The Lab
    08/04/09

    In reply to Lab-in-a-Chip Can Perform 1,024 Chemical Reactions Simultaneously
    These seem like cool devices. I'm not clear on the advantage of performing reactions on a chip in the presence of an enzyme. It seems like you could make a library of compounds using combinatorial chemistry and then screen them using enzymes on a chip.
    To address the some issues raised below, R+D costs are essentially negligible when bringing a drug to market. More money is spent in marketing a drug before it is even approved by the FDA than is spent on R+D. This chip would be only a tiny part of R+D.
    Secondly, the analysis of the reaction products is not that hard. You run the product solution into the mass spec and measure the ratio of reaction substrates to reaction product. The only trick is to develop a valve system that controls the delivery of the reactions to the mass spec.
    Third, the big use for these devices is their use in sensors that allow a small amount of sample (like blood) to be tested against a large panel of drugs. It could give you a deep view into a patients metabolic state, for example.
     Reply
    The Lab was starred The Lab was unstarred
    Image of amlamarra amlamarra
    08/04/09

    In reply to Lab-in-a-Chip Can Perform 1,024 Chemical Reactions Simultaneously
    Pfft, chemists. They're way behind. That chip is only 1 MHz, and look how BIG it is!
     Reply
    deanbmmv promoted this comment Nick: mission accomplished approved this comment amlamarra was starred amlamarra was unstarred
    Image of Nick Nick
    08/04/09

    In reply to Lab-in-a-Chip Can Perform 1,024 Chemical Reactions Simultaneously
    well, unfortunately we still have the FDA. so, it's still a "hurry up and wait" situation.
     Reply
    Nick was starred Nick was unstarred
    Image of Secret_Chimp Secret_Chimp
    08/04/09

    @Nick: mission accomplished:
    "hurry up and wait"... Just curious, do you actually know anything about the FDA approval process for new drugs or are you just echoing what you've heard other say?
     Reply
    Nick: mission accomplished approved this comment Secret_Chimp was starred Secret_Chimp was unstarred
    Image of Nick Nick
    08/04/09

    @Secret_Chimp: yeah, buddy. i do.
     Reply
    Nick was starred Nick was unstarred
    Image of hfm hfm
    08/04/09

    @Nick: mission accomplished: I'm pretty sure it has much ado with money changing hands.. sorta like how they screwed over a bunch of people by changing the albuterol inhalers so they work crap and cost 3x the price. Tell me there wasn't some profit margin at work there...
     Reply
    Nick: mission accomplished promoted this comment hfm was starred hfm was unstarred
    Image of Nick Nick
    08/04/09

    @hfm: well, i dunno know if i would go that far
     Reply
    Nick was starred Nick was unstarred
    Image of lpranal lpranal
    08/04/09

    In reply to Lab-in-a-Chip Can Perform 1,024 Chemical Reactions Simultaneously
    "Using microfluidics, the system may dramatically accelerate drug development for cancer and other diseases:"
    ...to reduce costs for drug companies, so they can get a new set of gold rims on their bentley golf carts.
     Reply
    Hello Mister Walrus promoted this comment lpranal was starred lpranal was unstarred
    Image of Hello Mister Walrus Hello Mister Walrus
    08/04/09

    @lpranal: I would imagine the opposite effect. Lower development costs and research time would enable smaller companies to penetrate (hehe penetrate) the market, driving down profits for large drug companies.
     Reply
    Hello Mister Walrus was starred Hello Mister Walrus was unstarred
    Image of lpranal lpranal
    08/04/09

    @Hello Mister Walrus: the optimistic part of me wants to believe that, but the bigger drug companies didn't get that way by letting the smaller guys get access to this stuff
     Reply
    lpranal was starred lpranal was unstarred
    Image of cudthecrud cudthecrud
    08/04/09

    @Hello Mister Walrus: Its not as much development costs as it is going through the clinical trials to get a drug FDA approved and actually to market. Hardly anyone besides BigPharma can pay for the phase II/III trials.
     Reply
    Hello Mister Walrus promoted this comment cudthecrud was starred cudthecrud was unstarred
    Image of Hello Mister Walrus Hello Mister Walrus
    08/04/09

    @Skeptics: It's reasonable to assume that any reduction in production time and, consequently, costs for producing new drugs would constitute a reduction in barriers to entry in the pharmaceutical industry. A device like this is obviously not going to change the whole industry by itself. However, incremental improvements like this might eventually enable smaller (though not necessarily small) companies to exist alongside Big Pharma.

    Today, it might take 10 years and $100 million to create and market a new drug. Since only huge companies can put up such a large initial investment and wait that long to turn a profit, they dominate the industry. However, there must be a turning point at which smaller companies will be willing to enter the market. It might be 5 years and $50 million, or 2 years and $25 million - who knows? The point is, as drug development time and costs decrease, we get incrementally closer to that turning point.
     Reply
    Edited by Hello Mister Walrus at 08/04/09 6:55 PM Hello Mister Walrus was starred Hello Mister Walrus was unstarred
    Image of jonhapimp jonhapimp
    04/20/09

    In reply to Apparently We Can Turn Carbon Dioxide Into Eco-Friendly Biofuels Now
    global warming wasn't man made anyways...
     Reply
    jonhapimp was starred jonhapimp was unstarred
    Image of 92BuickLeSabre 92BuickLeSabre
    04/20/09

    @jonhapimp: *pats the cute little troll on the head*
     Reply
    92BuickLeSabre was starred 92BuickLeSabre was unstarred
    Image of Lite: hates Illinois Nazis Lite: hates Illinois Nazis
    04/20/09

    @jonhapimp: You mean that the words global and warming existed before man?
     Reply
    Lite: hates Illinois Nazis was starred Lite: hates Illinois Nazis was unstarred
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