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#Repost @nobelprize_org (@get_repost)
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Ada Yonath is one of four women awarded the #NobelPrize in Chemistry. In the 1970s, Ada Yonath began a project that culminated in 2000 in her successful mapping (together with other researchers) of the structure of ribosomes, which consist of hundreds of thousands of atoms. She used x-ray crystallography. Among other applications, this has been important in the production of antibiotics. 📷 Credits: Micheline Pelletier/Corbis .
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 #nobellaureate #womeninstem #inspiration #research #chemistry #science #womenwhochangedtheworld
#Repost  @nobelprize_org (@get_repost) ・・・ Ada Yonath is one of four women awarded the #NobelPrize  in Chemistry. In the 1970s, Ada Yonath began a project that culminated in 2000 in her successful mapping (together with other researchers) of the structure of ribosomes, which consist of hundreds of thousands of atoms. She used x-ray crystallography. Among other applications, this has been important in the production of antibiotics. 📷 Credits: Micheline Pelletier/Corbis . . . #nobellaureate  #womeninstem  #inspiration  #research  #chemistry  #science  #womenwhochangedtheworld 
#Repost @arnattlab (@get_repost)
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Progression of a prep tlc plate #prettycolors #chromatography #realtimechem #chemistry #chemist #chemie #science #sciences
#Repost @edcieplechowicz (@get_repost)
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More large scale filtration! So much material 😱👌DAT separation #organicchemistry #chemistry #phdlife #dyechemistry #scaleup #science #ucalgary #ecdoesit #chemist
#Repost @helenthechemist (@get_repost)
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Here's another #ThursdaysTheory. Today it's more about the pigments/dyes used in cosmetics. Pigments/dyes are coloured because electrons in the molecules absorb a wavelength of light that we can see with our eyes. If they absorb blue light they appear orange (see colour wheel). There are two main ways to make molecules absorb a colour of light we can see. The pigments/dyes are either: Organic and Inorganic. Organic pigments are mainly composed of carbon. Their structures have benzene rings derivatives in which the important electrons sit in delocalized pi-orbitals. Inorganic pigments on the other hand have metal centers and the important electrons sit the d-orbitals of the metals. Which pigment is your favourite?👇👇👇 .
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#featurethechemistry #pigments
 #heriotwatt #postdoc #postdoclife #phdstudentsofinstagram #womenwhoscience #womeninstem #chemistry #helenthechemist #scicomm #instascience #sciencenerd #physicalchemistry #stem #womaninstem #instascience #ilovechemistry #research #lovescience #discoverunder5k #pchem #discoverunder1k #cosmeticchemistry #cosmeticscience #dye #lorealtalentforresearch #glossier
#Repost  @helenthechemist (@get_repost) ・・・ Here's another #ThursdaysTheory . Today it's more about the pigments/dyes used in cosmetics. Pigments/dyes are coloured because electrons in the molecules absorb a wavelength of light that we can see with our eyes. If they absorb blue light they appear orange (see colour wheel). There are two main ways to make molecules absorb a colour of light we can see. The pigments/dyes are either: Organic and Inorganic. Organic pigments are mainly composed of carbon. Their structures have benzene rings derivatives in which the important electrons sit in delocalized pi-orbitals. Inorganic pigments on the other hand have metal centers and the important electrons sit the d-orbitals of the metals. Which pigment is your favourite?👇👇👇 . . . #featurethechemistry  #pigments  #heriotwatt  #postdoc  #postdoclife  #phdstudentsofinstagram  #womenwhoscience  #womeninstem  #chemistry  #helenthechemist  #scicomm  #instascience  #sciencenerd  #physicalchemistry  #stem  #womaninstem  #instascience  #ilovechemistry  #research  #lovescience  #discoverunder5k  #pchem  #discoverunder1k  #cosmeticchemistry  #cosmeticscience  #dye  #lorealtalentforresearch  #glossier 
"Hello everybody!
There is an awesome project in Colombia called "Science Clubs" in Guajira, and I would like to invite you to share and support it. The idea is to install solar panels and offers an energy science club to the children in this region. Also, I would like to tell you that in Ishipa (one of the towns, which had been chosen from Guajira) does not have electric energy, hence, we want there to develop an energy science club. We already know that it is not enough to identify a problem, but we also need to make changes for the better." We appreciate your healp and please if you can donate something for the cause (it does not matter if it is a few money), it will be the nicest. The goal is to reach 2217 USD until now we carry 391 USD. The link to donate some money is on this Instagram account. WE CAN AND SHOULD MAKE GOOD CHANGES TO THE SOCIETY!! 🌅🌅🌅
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#science #charity #donate #clubesdecienciaco #clubesdecienciaco #colombia #guajira #solarpanel #chemistry #chemist #sciences #charitychallenge #charityevent #helpinghandchallenge #energy #RenewableEnergy #solarenergy
"Hello everybody! There is an awesome project in Colombia called "Science Clubs" in Guajira, and I would like to invite you to share and support it. The idea is to install solar panels and offers an energy science club to the children in this region. Also, I would like to tell you that in Ishipa (one of the towns, which had been chosen from Guajira) does not have electric energy, hence, we want there to develop an energy science club. We already know that it is not enough to identify a problem, but we also need to make changes for the better." We appreciate your healp and please if you can donate something for the cause (it does not matter if it is a few money), it will be the nicest. The goal is to reach 2217 USD until now we carry 391 USD. The link to donate some money is on this Instagram account. WE CAN AND SHOULD MAKE GOOD CHANGES TO THE SOCIETY!! 🌅🌅🌅 . . #science  #charity  #donate  #clubesdecienciaco  #clubesdecienciaco  #colombia  #guajira  #solarpanel  #chemistry  #chemist  #sciences  #charitychallenge  #charityevent  #helpinghandchallenge  #energy  #RenewableEnergy  #solarenergy 
😍😍😍#Repost @chemistry.experiments (@get_repost)
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#Chemistryexperiments#Chemistryeducation#Chemistry#Science#Biology#Microbiology#Pharmcy#Medicine#Chemist#Bioloagist#Biochemistry “Gallium heart” experiment

How to bring gallium to life

Follow ➡@melscience  and Thanks to them for creating the beauty educational Vedio

Met­als are of­ten as­so­ci­at­ed with some­thing sol­id and in­de­struc­tible. But de­spite the stereo­type, this met­al will trem­ble as soon as so­lu­tions touch it.

#Reagents and equip­ment:

1-gal­li­um (5 g);
2-20% sul­fu­ric acid so­lu­tion (20 ml)
3-;10% potas­si­um dichro­mate so­lu­tion (2 ml)
4-pipette
5-porce­lain cup

#Step-by-step in­struc­tions

Melt gal­li­um in hot wa­ter and put it in a porce­lain cup. Then pour the sul­fu­ric acid over the drop of gal­li­um and add the potas­si­um dichro­mate so­lu­tion drop by drop. The gal­li­um starts to throb. Over time the throb­bing stops. Add a new por­tion of potas­si­um dichro­mate–and the drop will trem­ble once more.

#Pro­cess­es de­scrip­tion

Gal­li­um is a met­al which turns liq­uid at 29.8 °С, so it can even melt in the hand. When it re­acts with sul­fu­ric acid, it be­comes cov­ered with gal­li­um(III) sul­fate. The sur­face ten­sion of the drop in­creas­es, and it con­tracts into a ball. When potas­si­um dichro­mate is added, ox­i­da­tion-re­duc­tion pro­cess­es take place, which have still not been ful­ly ex­plained by sci­en­tists. As a re­sult, the film of gal­li­um(III) sul­fate dis­in­te­grates, the sur­face ten­sion de­creas­es, and the drop spreads out. The process re­peats un­til all the potas­si­um dichro­mate runs out.

Follow ➡@melscience  and Thanks to them  for creating the beauty educational Vedio
😍😍😍#Repost  @chemistry.experiments (@get_repost) ・・・ #Chemistryexperiments #Chemistryeducation #Chemistry #Science #Biology #Microbiology #Pharmcy #Medicine #Chemist #Bioloagist #Biochemistry  “Gallium heart” experiment How to bring gallium to life Follow ➡@melscience and Thanks to them for creating the beauty educational Vedio Met­als are of­ten as­so­ci­at­ed with some­thing sol­id and in­de­struc­tible. But de­spite the stereo­type, this met­al will trem­ble as soon as so­lu­tions touch it. #Reagents  and equip­ment: 1-gal­li­um (5 g); 2-20% sul­fu­ric acid so­lu­tion (20 ml) 3-;10% potas­si­um dichro­mate so­lu­tion (2 ml) 4-pipette 5-porce­lain cup #Step -by-step in­struc­tions Melt gal­li­um in hot wa­ter and put it in a porce­lain cup. Then pour the sul­fu­ric acid over the drop of gal­li­um and add the potas­si­um dichro­mate so­lu­tion drop by drop. The gal­li­um starts to throb. Over time the throb­bing stops. Add a new por­tion of potas­si­um dichro­mate–and the drop will trem­ble once more. #Pro ­cess­es de­scrip­tion Gal­li­um is a met­al which turns liq­uid at 29.8 °С, so it can even melt in the hand. When it re­acts with sul­fu­ric acid, it be­comes cov­ered with gal­li­um(III) sul­fate. The sur­face ten­sion of the drop in­creas­es, and it con­tracts into a ball. When potas­si­um dichro­mate is added, ox­i­da­tion-re­duc­tion pro­cess­es take place, which have still not been ful­ly ex­plained by sci­en­tists. As a re­sult, the film of gal­li­um(III) sul­fate dis­in­te­grates, the sur­face ten­sion de­creas­es, and the drop spreads out. The process re­peats un­til all the potas­si­um dichro­mate runs out. Follow ➡@melscience and Thanks to them for creating the beauty educational Vedio
#Repost @chemistryintheuniverse ⚘⚘⚘
"One fine summer evening, I was returning by the last omnibus, 'outside' as usual, through the deserted streets of the metropolis, which are at other times so full of life. I fell into a reverie and lo! The atoms were gambolling before my eyes.... I saw how, frequently, two smaller atoms united to form a pair, how a large one embraced two smaller ones; how still larger ones kept hold of three or even four of the smaller; whilst the whole kept whirling in a giddy dance. I saw how the larger ones formed a chain.... I spent part of the night putting on paper at least sketches of these dream forms."
August Kekule, 1890. ⚘⚘⚘ benzene ring
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#chemistrylovers #chemists #chemistryaddicts #lovechemistry #loveyourpost #kekule #science #education #chemistryintheuniverse
#Repost  @chemistryintheuniverse ⚘⚘⚘ "One fine summer evening, I was returning by the last omnibus, 'outside' as usual, through the deserted streets of the metropolis, which are at other times so full of life. I fell into a reverie and lo! The atoms were gambolling before my eyes.... I saw how, frequently, two smaller atoms united to form a pair, how a large one embraced two smaller ones; how still larger ones kept hold of three or even four of the smaller; whilst the whole kept whirling in a giddy dance. I saw how the larger ones formed a chain.... I spent part of the night putting on paper at least sketches of these dream forms." August Kekule, 1890. ⚘⚘⚘ benzene ring ▪ ▪ ▪ #chemistrylovers  #chemists  #chemistryaddicts  #lovechemistry  #loveyourpost  #kekule  #science  #education  #chemistryintheuniverse 
#Repost @socalledexpert (@get_repost)
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Hofmeister series 👉 "Salting out" occurs when you add high concentrations of a salt such as ammonium sulfate or sodium chloride to a solution of #molecules such as proteins, which have reduced #solubility at high ionic strengths. .
What you see when a concentrated salt solution is added is light scattering as a result of proteins aggregating into larger groups. Diluting the salt concentration again sees the aggregates fall apart, back into individual proteins or protein oligomers.
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We can use this to purify #proteins - If there is a mix of proteins, they will likely have varying solubilities due to their differing surface charges, hydrophobicities, sizes etc., enabling crude and rapid fractionation of different species.
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We can also use it to rapidly concentrate proteins if the precipitate is pelleted. As the proteins retain their fold and native structure during this process (and are even stabilised by high salt) they can easily be resuspended in a smaller volume.
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In the case above, the protein has already been purified by two column #chromatography steps.
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Ammonium sulfate is often used due to its "salting out" ability. Another way of saying this is that both its cation and anion rank highly in the Hofmeister series.
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#lablife #gradstudent #science #dissolving #biology #phd #thesis #purification #laboratory #enzymes #scientist #chemistry #dna #research #medicalresearch #featurethechemistry #genetics #studentlife #postdoc #university #highereducation
#Repost  @socalledexpert (@get_repost) ・・・ Hofmeister series 👉 "Salting out" occurs when you add high concentrations of a salt such as ammonium sulfate or sodium chloride to a solution of #molecules  such as proteins, which have reduced #solubility  at high ionic strengths. . What you see when a concentrated salt solution is added is light scattering as a result of proteins aggregating into larger groups. Diluting the salt concentration again sees the aggregates fall apart, back into individual proteins or protein oligomers. . We can use this to purify #proteins  - If there is a mix of proteins, they will likely have varying solubilities due to their differing surface charges, hydrophobicities, sizes etc., enabling crude and rapid fractionation of different species. . We can also use it to rapidly concentrate proteins if the precipitate is pelleted. As the proteins retain their fold and native structure during this process (and are even stabilised by high salt) they can easily be resuspended in a smaller volume. . In the case above, the protein has already been purified by two column #chromatography  steps. . Ammonium sulfate is often used due to its "salting out" ability. Another way of saying this is that both its cation and anion rank highly in the Hofmeister series. . #lablife  #gradstudent  #science  #dissolving  #biology  #phd  #thesis  #purification  #laboratory  #enzymes  #scientist  #chemistry  #dna  #research  #medicalresearch  #featurethechemistry  #genetics  #studentlife  #postdoc  #university  #highereducation 
#Repost @theskepticalchemist (@get_repost)
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Fluorescein is a fun dye: the solid crystals are red while its dilute solutions are yellow-green. This is due to the red (stable) form containing a carboxylic acid group, which promptly deprotonates in solution to form an intramolecular twisted cyclic ester (unstable), that is yellowish green.
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#fluorescent #fluorescein #funfact #science #sciencerules #research #lab #quimica #chemistry #biology #physics #education #TheSkepticalChemist
#Repost  @theskepticalchemist (@get_repost) ・・・ Fluorescein is a fun dye: the solid crystals are red while its dilute solutions are yellow-green. This is due to the red (stable) form containing a carboxylic acid group, which promptly deprotonates in solution to form an intramolecular twisted cyclic ester (unstable), that is yellowish green. ... #fluorescent  #fluorescein  #funfact  #science  #sciencerules  #research  #lab  #quimica  #chemistry  #biology  #physics  #education  #TheSkepticalChemist 
Precipitation of hydrazone, this is a work made by @danielv9007. Congrats 😎👏🎉
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#science #chemistry #chemist #chemie #chimique #organicsynthesis #organicchemistrylab #organicchemistry2 #hidrazone
#Repost @valeg96 (@get_repost)
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Lead(II) iodide  #chemistry #chimica #laboratorio #chem #chemlab #chemistrylab #chemistrypic #chempic #science #scienza #sciencelab #sciencepic #chemicals #chemical #yellow #giallo #colorful #color @chemkala @myttexforum #lookattheblue
#Repost @maximilian_mccallum (@get_repost)
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I usually don’t get cool color changes like this. I had to reduce some Copper(II) Chloride with a solution of sodium sulfite, and it looked awesome. 😃😃 #chemist #chemistry #chemie #chimique #science
#Repost  @maximilian_mccallum (@get_repost) ・・・ I usually don’t get cool color changes like this. I had to reduce some Copper(II) Chloride with a solution of sodium sulfite, and it looked awesome. 😃😃 #chemist  #chemistry  #chemie  #chimique  #science 
#Repost @beattyscientific (@get_repost)
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Lab armor beads have replaced water for warming baths. These metallic beads use 1/2 the energy to heat, prevent contamination, and they don’t DRIP! 👌🏼. —————————————————————————— • When you have a water bath you must use chemicals to ensure no bacteria and fungus are growing whereas the beads only require 70% ethanol every couple of weeks. It takes sooooo long to heat the water, but with lab armor beads you can leave the bath on at all times. There’s a catch, they are expensive 💸
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#science #scienceexperiment #teacher #education #gold #silver #metal #cure #cancer #findthecure #curecancer #buology #gradschool #MD #DO #PhD #STEM #medschool #medstudent #medlife #nurse #nurselife #biochemistry #chemistry #biochem #biomedical #research #proof #data
#Repost  @beattyscientific (@get_repost) ・・・ Lab armor beads have replaced water for warming baths. These metallic beads use 1/2 the energy to heat, prevent contamination, and they don’t DRIP! 👌🏼. —————————————————————————— • When you have a water bath you must use chemicals to ensure no bacteria and fungus are growing whereas the beads only require 70% ethanol every couple of weeks. It takes sooooo long to heat the water, but with lab armor beads you can leave the bath on at all times. There’s a catch, they are expensive 💸 ——————————————————— #science  #scienceexperiment  #teacher  #education  #gold  #silver  #metal  #cure  #cancer  #findthecure  #curecancer  #buology  #gradschool  #MD  #DO  #PhD  #STEM  #medschool  #medstudent  #medlife  #nurse  #nurselife  #biochemistry  #chemistry  #biochem  #biomedical  #research  #proof  #data 
#Repost @nobelprize_org (@get_repost)
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“I was captured for life by chemistry and by crystals.” Dorothy Crowfoot Hodgkin (1910–1994)

Dorothy Crowfoot Hodgkin, the Nobel Prize awarded biochemist who was one of the most outstanding X-ray crystallographers of her time, passed away on this day in 1994.

She determined the structure of penicillin and vitamin B12. In 1969, five years after she was awarded the Nobel Prize in Chemistry, she also determined the three-dimensional structure of insulin. This puzzle took her 35 years to solve.

Quote source: Oxford Dictionary of Quotations by Subject, ed. by Susan Ratcliffe (OUP: 2010).
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#onthisday #womeninstem #rolemodel #nobelprize #nobellaureate #chemistry #science #sciencehistory #research #medicine #crystallography #inspirationalwoman #biochemistry
#Repost  @nobelprize_org (@get_repost) ・・・ “I was captured for life by chemistry and by crystals.” Dorothy Crowfoot Hodgkin (1910–1994) Dorothy Crowfoot Hodgkin, the Nobel Prize awarded biochemist who was one of the most outstanding X-ray crystallographers of her time, passed away on this day in 1994. She determined the structure of penicillin and vitamin B12. In 1969, five years after she was awarded the Nobel Prize in Chemistry, she also determined the three-dimensional structure of insulin. This puzzle took her 35 years to solve. Quote source: Oxford Dictionary of Quotations by Subject, ed. by Susan Ratcliffe (OUP: 2010). . . . #onthisday  #womeninstem  #rolemodel  #nobelprize  #nobellaureate  #chemistry  #science  #sciencehistory  #research  #medicine  #crystallography  #inspirationalwoman  #biochemistry 
#Repost @iridescentchemistry (@get_repost)
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Transition metals form colored compounds and complexes. The color varies depending on the charge on the metal ion. 
How beautiful are all these colors 😍🌈 What’s your favorite color ? .
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#chemistrylove #chemistry #likeforlikes #chemistry101 #chem #transitionmetals #sciences #stem #stemgirls #stemeducation #followme #follow4like #followforfollowback #follow4followback #laboratory #learnchemistry #likeforlikes #chemist #chemie #transitionmetal
#Repost  @iridescentchemistry (@get_repost) ・・・ Transition metals form colored compounds and complexes. The color varies depending on the charge on the metal ion. How beautiful are all these colors 😍🌈 What’s your favorite color ? . . . . . #chemistrylove  #chemistry  #likeforlikes  #chemistry101  #chem  #transitionmetals  #sciences  #stem  #stemgirls  #stemeducation  #followme  #follow4like  #followforfollowback  #follow4followback  #laboratory  #learnchemistry  #likeforlikes  #chemist  #chemie  #transitionmetal 
#Repost @theskepticalchemist (@get_repost)
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Silver nitrate added to zinc chloride. Insoluble silver chloride (fluffy clouds) is formed that if you observe closely, quickly decomposes into silver (brown specks) and chlorine when exposed to light.
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#SciArt #science #scienceeducation #instascience #research #reaction #quimica #chemistry #biology #physics #TheSkepticalChemist