i wonder how much the copay will be killing bacteria with cannabis for the technical report antibacterial cannabinoids from cannabis sativa a structureactivity study attached images......
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quote earlier this month a group of pharmacists and chemists published a study in which they found that cannabis is a source of antibacterial chemicals for multidrug resistant bacteria. if you are a pharmacists or chemist here is the actual study. a synopsis of the study for everyone else. quote if the proanti marijuana argument was a rational argument it wouldve been resolved decades ago. wh...
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if youve got the 29 august issue of chemical engineering news theres an interesting editorial inside. it seems there has been a flurry of activity on cen on the issue of evolution the editor dismissed the whole idea of intelligent design creationism back in february saying that it was not an acceptable alternative to the theory of evolution and should not be taught in the schools. he got hammered...
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if youve got the 29 august issue of chemical engineering news theres an interesting editorial inside. it seems there has been a flurry of activity on cen on the issue of evolution the editor dismissed the whole idea of intelligent design creationism back in february saying that it was not an acceptable alternative to the theory of evolution and should not be taught in the schools. he got hammered...
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as all organic chemists who follow the literature know over the last few years theres been a strong swell of papers using barry sharplesss click chemistry triazoleforming reactions. these reaction let you form fivemembered triazole rings from two notveryreactive partners an azide and an acetylene and people have been putting them to all kinds of uses from the trivial to the very interesting indeed...
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its almost as if shaquille oneal were tryingon shawn johnsons slipper and wondering why it didnt fit. thats the image one might getfrom reading a recent articlethat suggests a lot of companies estimates about the size of their carbon footprintsis far too low. written by researchers from carnegie mellon university the article in environmental science technologysays for a lot of entities the curre...
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photo courtesy of istockphoto scott hirko have you ever needed an mri traditionally gadolinium or gad is used as a contrast agent during an mri. this is quite different from the iodinebased contrast agents used for ct scans or cat scans. ct uses radiation while mri uses magnetic technology. researchers have developed a selfassembled manganeseiiilabeled nanobialys a toroidalshaped mr theranostic ...
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filed under ethanol aside from metals such as iron steel and aluminum perhaps the most common material in cars is plastic. most of the plastic made today is derived from petroleum. besides the raw materials used a lot pf greenhouse gases are produced in the processing of plastics. biomaterials have been a major research area in recent years including fords new soyfoam seats. researchers from the ...
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segan un estudio publicado por investigadores de la tum universidad tacnica de munich alemania las patatas fritas podraan ser canceragenas indistintamente de si son patatas fritas de bolsa o patatas fritas caseras. la causa de ello parece ser una sustancia quamica denominada glicidamida que se genera cuando se realizan fritos a altas temperaturas superando los 120a c aunque segan el estudio el con...
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us researchers have developed a catalyst that could be added to cigarette filters to help to alleviate some of the health problems associated with smoking. barry dellinger who was speaking at the acs fall meeting in philadelphia says his team is in the midst of patenting the invention which has attracted the interest of a tobacco giant. dellinger whos based at louisiana state university in baton r...
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imaganese que en el afuturo los muebles estaran hechos de computadoras del pasado. recientemente los cientaficos chinos han logrado diseaar un matodo bajo el cual se podran reciclar componentes de computadoras especaficamente las tarjetas de circuitos impresos y luego convertirlas en fuertes materiales de construccian. esto es un gran paso ya que cada daa muchos equipos electranicos se vuelve obso...
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want to fill up your volkswagen or hummer on renewables as arnold schwarzenegger does biodiesel a vegetableoil based variant on petroleum diesel is your fuel. as we pointed out last week the fuel doesnt get as much attention as hightech biofuels like cellulosic ethanol and green gasoline. however substances called furanics may help bring biodiesel back into the spotlight. furanics while not actua...
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in this weeks editorial rudy draws attention to senior editor cheryl hogues cover story on dioxin contamination of two rivers downstream from dow chemicals midland manufacturing complex.......
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wouldnt it be cool if you could use a magnet to pull cancer cells away from normal tissue but you say there arent tiny magnets in cancer cells. and besides even if there were little magnetized cells how could you tear them apart from a solid tumor youd be correct on both counts but not as imaginative as a research team from the georgia institute of technology. to solve the first problem scarberry ...
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photo courtesy of istockphoto tor lindqvist biomedical engineers from tufts university have developed a novel silkbased optics that may be used in devices such as sensors which would combine sophisticated nanoscale optics with biological readout functions. in addition silk optics offer further advantages in that they are biocompatible and biodegradable and can be manufactured and stored at room t...
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you may have caught the lead news of the week story in this weeks issue on novel electrode materials. well the catalyst work done by daniel nocera and matthew kanan is also the subject of the pilot episode of chemical explorers a collaborative project between morenolyons productions the chemical heritage foundation and the filmmakers collaborative. chemical explorers is a series of short videos th...
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michael berger over at nanowerk is profiling the development by a singaporean team of a palmsize biosensor. the labonachip device employs highly localized surface plasmon resonance lspr technology and cuts out the standard spectrum analyzer for a set of four pulsing light emitting diodes. from nanowerk neuzil dr. pavel neuzil researcher at the institute of microelectronics in singapore expla...
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this might have been a story of how a couple of mit scientists happened upon a breakthrough discovery in the electrolysis of water but they didnt and so it isnt. this might also have been a story about an informed media which correctly and skeptically reports on such scientific discoveries in the midst of a public relations barrage from a leading university but nobody really expects such journal...
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planet google presents in the 20000 years or so that humans have been getting pissdrunk no spirit has earned a worse rap than absinthe. said to turn mildmannered imbibers into raving maniacs it was banned in the us and much of europe in the early 1900s. remember van goghs ear incident some scholars blame the green fairy. the chemical culprit was thujone a toxic compound found in the crush...
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in the 20000 years or so that humans have been getting pissdrunk no spirit has earned a worse rap than absinthe. said to turn mildmannered imbibers into raving maniacs it was banned in the us and much of europe in the early 1900s. remember van goghs ear incident some scholars blame the green fairy. the chemical culprit was thujone a toxic compound found in the crushed flowers and leaves of absinth...
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in this weeks editorial deputy editorinchief maureen rouhi shares her personal experience in the desire to preserve a legacy as well as those of traude sadtler in a career spanning more than 20 years my mother amassed a huge collection of books teaching materials theses and dissertations and assorted memorabilia from adoring and grateful students. proud as she was of what each of her 12 children h...
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bob read this and sent me some even better stuff completely in verse joseph f. bunnett and francis j. kearley 1971. comparative mobility of halogens in reactions of dihalobenzenes with potassium amide in ammonia pdf. journal of organic chemistry 361 184 186 doi 10.1021jo00800a036 in verse and musical notation hm shapirofluorescent dyes for differential counts by flow cytometry does ...
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temporally controlled modulation of antihydrogen production and the temperature scaling of antiprotonpositron recombination our observations have established a pulsed source of atomic antimatter with a rise time of about 1 s and a pulse length ranging from 3 to 100 s. tags physics science particles experiment articles hidden variabl...
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how much do you love chemistry enough to make an indelible declaration for all to see it seemed worth noting a recent run of chemistryrelated posts on science writer carl zimmers lovely and amazing science tattoo emporium which a few days ago found a permanent home on discovers website. apparently zimmer started the blog which features sciencerelated ink after noticing a dna tattoo on his friends...
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