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🍁🍂🍃Why Do Leaves Change The Colour? 🍃🍂🍁
With autumn looming on the horizon, the leaves on some trees have already begun the transition towards the vibrant hues of autumn. Whilst this change may outwardly seem like a simple one, the many vivid colours are a result of a range of chemical compounds.
The colour causing molecules in autumn leaves contain systems of alternating double and single bonds – this is referred to as conjugation. A large amount of conjugation in a molecule can lead to them being able to absorb wavelengths of light in the visible spectrum. This leads to the appearance of colour.
By: Karin & Matej 🍁🍂🍃
IG: @matej.ondreicka @benznote
#mybenznote

🍁🍂🍃 AUTUMN 🍁🍂🍃
🍃Chlorophyll🍃
Is the chemical compound responsible for the usual, green colouration of most leaves. This chemical is contained within chloroplasts in the leaf cells, and is an essential component of the photosynthesis process via which plants use energy from the sun to convert carbon dioxide and water into sugars. For the production of chlorophyll, leaves require warm temperatures and sunlight – as summer begins to fade, so too does the amount of light, and thus chlorophyll production slows, and the existing chlorophyll decomposes. As a result of this, other compounds present in the leaves can come to the fore, and affect the perceived colouration.
🍂Carotenoids & Flavonoids🍂
Carotenoids and flavonoids are both large families of chemical compounds. These compounds are present in the leaves along with chlorophyll, but the high levels of chlorophyll present in the summer months usually masks their colours. As the chlorophyll degrades and disappears in autumn, their colours become more noticeable – both families of compounds contribute yellows, whilst carotenoids also contribute oranges and reds. These compounds do also degrade along with chlorophyll as autumn progresses, but do so at a much slower rate than chlorophyll, and so their colours become visible. Notable carotenoids include beta-carotene, the cause of the orange colour of carrots, lutein, which contributes to the yellow colour of egg yolks, and lycopene, which is also responsible for the red colour of tomatoes.
🍁Anthocyanins🍁
Anthocyanins, are also a member of the flavonoid class of compounds. Unlike carotenoids, anthocyanins aren’t commonly present in leaves year-round. As the days darken, their synthesis is initiated by increased concentration of sugars in the leaves, combined with sunlight. Their precise role in the leaf is still unclear – there has been some suggestion, however, that they may perform some kind of light-protective role, allowing the tree to protect its leaves from light damage and extend the amount of time before they are shed. In terms of their contribution to the colour of autumn leaves, they provide vivid red, purple, and magenta shades.
#mybenznote #chem

Phenylephrine is a selective alpha1-adrenergic receptor antagonist used as decongestant (nasal spray), an agent ton dilate the pupil or to increase blood pressure. Phenylephrine is an alternative to pseudoephedrine, but clinical tests showed, that it is no more effective. It can also prevent symptoms of hemorrhoids ;) Be sure to get the latest news from the world of chemistry and follow us on Facebook and Twitter.

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Benznote now on amazon for North and South America 😍 #mybenznote #future #chemistry #benznote #carbonote

Paracetamol is healing substance with analgetic and antipyretic effect. From chemical point of view it's derivative of aniline. #paracetamol #mybenznote #organicchemistry @benznote

Procaine (business name Novocain) is kind of anesthetics. The main aim is to reduce pain, but it's also used by dentists or due to its anti-inflammatory or mood enhancing effects.
Have you some experience with this kind of drug ?

To see more from the world is chemistry, follow us on Facebook and Twitter ✌️ Your benznote
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#mybenznote #carbonote #chemistry #science #chemlab #chemicalengineering #organic #bio #biochemist #biology #biochemistry #biochemicalengineering #future #futuremedstudent #futurechemicalengineer #medicine #medstudent #medlife #study #students #school #education #pharmacy #healthy #easy #wonderful #instapic #interesting

Agar may have been discovered in Japan in 1658 by Mino Tarōzaemon. According to legend, was said to have discarded surplus seaweed soup and noticed that it gelled later after a winter night's freezing. Over the following centuries, agar became a common gelling agent.
Agar was first subjected to chemical analysis in 1859 by the French chemist Anselme Payen, who had obtained agar from the marine algae.

Beginning in the late 19th century, agar began to be used as a solid medium for growing various microbes. Agar was first described for use in microbiology in 1882 by the German microbiologist Walther Hesse, an assistant working in Robert Koch's laboratory. Agar quickly supplanted gelatin as the base of microbiological media.

Petri dish is used to provide a growth medium using a mix of agar and other nutrients in which microorganisms, including bacteria and fungi, can be cultured and observed under the microscope. Ingredients are added to the agar to meet the nutritional needs of the microbes.

#benznote #mybenznote #microbiology #chemistry #agar

oday we start new chemistry class, so got prepared for it and bought some usefull stuff ! :D How about you ? Would you (or your friends) like to have something like this ? No problem !

Head to www.benznote.com and order your favourite notesheet !

Your benznote
#mybenznote #benznote #carbonote #chemistry

@benznote #mybenznote acabou de chegar

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Phenylephrine is a selective alpha1-adrenergic receptor antagonist used as decongestant (nasal spray), an agent ton dilate the pupil or to increase blood pressure. Phenylephrine is an alternative to pseudoephedrine, but clinical tests showed, that it is no more effective. It can also prevent symptoms of hemorrhoids ;) Be sure to get the latest news from the world of chemistry and follow us on Facebook and Twitter.

Your benznote
www.benznote.com

#mybenznote #carbonote #chemistry #science #organic #bio #biochemist #biology #biochemicalengineering #tech #technics #technology #study #students #school #education #medstudent #medicine #medlife #futuremedstudent #future #futurechemicalengineer #easy #wonderful #instapic #clever #interesting #fact

🍁🍂🍃 AUTUMN 🍁🍂🍃
🍃Chlorophyll🍃
Is the chemical compound responsible for the usual, green colouration of most leaves. This chemical is contained within chloroplasts in the leaf cells, and is an essential component of the photosynthesis process via which plants use energy from the sun to convert carbon dioxide and water into sugars. For the production of chlorophyll, leaves require warm temperatures and sunlight – as summer begins to fade, so too does the amount of light, and thus chlorophyll production slows, and the existing chlorophyll decomposes. As a result of this, other compounds present in the leaves can come to the fore, and affect the perceived colouration.
🍂Carotenoids & Flavonoids🍂
Carotenoids and flavonoids are both large families of chemical compounds. These compounds are present in the leaves along with chlorophyll, but the high levels of chlorophyll present in the summer months usually masks their colours. As the chlorophyll degrades and disappears in autumn, their colours become more noticeable – both families of compounds contribute yellows, whilst carotenoids also contribute oranges and reds. These compounds do also degrade along with chlorophyll as autumn progresses, but do so at a much slower rate than chlorophyll, and so their colours become visible. Notable carotenoids include beta-carotene, the cause of the orange colour of carrots, lutein, which contributes to the yellow colour of egg yolks, and lycopene, which is also responsible for the red colour of tomatoes.
🍁Anthocyanins🍁
Anthocyanins, are also a member of the flavonoid class of compounds. Unlike carotenoids, anthocyanins aren’t commonly present in leaves year-round. As the days darken, their synthesis is initiated by increased concentration of sugars in the leaves, combined with sunlight. Their precise role in the leaf is still unclear – there has been some suggestion, however, that they may perform some kind of light-protective role, allowing the tree to protect its leaves from light damage and extend the amount of time before they are shed. In terms of their contribution to the colour of autumn leaves, they provide vivid red, purple, and magenta shades.
#mybenznote #chem

🍁🍂🍃Why Do Leaves Change The Colour? 🍃🍂🍁
With autumn looming on the horizon, the leaves on some trees have already begun the transition towards the vibrant hues of autumn. Whilst this change may outwardly seem like a simple one, the many vivid colours are a result of a range of chemical compounds.
The colour causing molecules in autumn leaves contain systems of alternating double and single bonds – this is referred to as conjugation. A large amount of conjugation in a molecule can lead to them being able to absorb wavelengths of light in the visible spectrum. This leads to the appearance of colour.
By: Karin & Matej 🍁🍂🍃
IG: @matej.ondreicka @benznote
#mybenznote

Procaine (business name Novocain) is kind of anesthetics. The main aim is to reduce pain, but it's also used by dentists or due to its anti-inflammatory or mood enhancing effects.
Have you some experience with this kind of drug ?

To see more from the world is chemistry, follow us on Facebook and Twitter ✌️ Your benznote
www.benznote.com

#mybenznote #carbonote #chemistry #science #chemlab #chemicalengineering #organic #bio #biochemist #biology #biochemistry #biochemicalengineering #future #futuremedstudent #futurechemicalengineer #medicine #medstudent #medlife #study #students #school #education #pharmacy #healthy #easy #wonderful #instapic #interesting

What is mepyramine ? Sounds like drug, right ? In fact it is - a first generation antihistamine. It is also used to treat common cold and menstrual symptoms ;) Stay in touch with benznote and follow us on Facebook and Twitter

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#mybenznote #carbonote #chemistry #chemicalengineering #science #bio #biochemist #biochemistry #biochemicalengineering #futuremedstudent #future #futurechemicalengineer #study #students #organic #school #easy #wonderful #instapic

My mate is done with chemistry today :D What about you ? Share with your friends and excel at chemistry with your benznote notesheets !

Your benznote
www.benznote.com

#mybenznote #carbonote #chemistry #science #school #organic #bio #biochemistry #biochemicalengineering #biochemist #medstudent #medschool #medicine #medlife #futuremedstudent #futurechemicalengineer #study #students #easy #wonderful #instapic #done #cat #friends #future #love #tech #technics

Paracetamol is healing substance with analgetic and antipyretic effect. From chemical point of view it's derivative of aniline. #paracetamol #mybenznote #organicchemistry @benznote

Have you ever heard of guaifenesin ? It is an effective compound to cure cold or flu :) It's often used in combination with paracetamol or similar... Step into the world of chemistry with benznote !
www.benznote.com

#mybenznote #carbonote #chemistry #chemlab #science #tech #technics #technology #organic #bio #biochemist #biology #biochemistry #biochemist #school #students #study #medstudent #medicine #medlife #futuremedstudent #future #futurechemicalengineer #easy #wonderful #instapic #cure #healthy

Cortisol or hydrocortisone is a steroid hormone from the class of glucocorticoids. Its functions in human body are quiet important, such as blood sugar increase through gluconeogenesis, suppress immune system or aid in the metabolism of fats, proteins and carbohydrates. Cortisol in connection with stress response can decrease the ability to heal wounds !

Share with friends and order your benznote at www.benznote.com

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#mybenznote #carbonote #chemistry #chemlab #chemist #biology #biochemist #organic #biochemist #bio #biology #biochemistry #medstudent #medicine #medlife #futuremedstudent #future #futurechemicalengineer #study #students #easy #wonderful #perfect #wonderful #instapic #tech #technics #technology #science

Progestin is maybe not very popular, but it's very important molecule. In fact, it is a group of synthetic progestogens with effects similar to progesterone. It is used in judicial chemical castration of sex deviants and treatment of unwanted sexual urges like hypersexuality.

To get more interesting stuff from the world visit www.benznote.com, where you can also buy notesheet to please yourself or your friends :) Your benznote

#mybenznote #carbonote #chemistry #chemlab #chemicalengineering #biochemist #biology #bio #biochemistry #organic #school #study #students #medstudent #medicine #medlife #futuremedstudent #futurechemicalengineer #future #easy #wonderful #instapic #education #hormones #cure

Agar may have been discovered in Japan in 1658 by Mino Tarōzaemon. According to legend, was said to have discarded surplus seaweed soup and noticed that it gelled later after a winter night's freezing. Over the following centuries, agar became a common gelling agent.
Agar was first subjected to chemical analysis in 1859 by the French chemist Anselme Payen, who had obtained agar from the marine algae.

Beginning in the late 19th century, agar began to be used as a solid medium for growing various microbes. Agar was first described for use in microbiology in 1882 by the German microbiologist Walther Hesse, an assistant working in Robert Koch's laboratory. Agar quickly supplanted gelatin as the base of microbiological media.

Petri dish is used to provide a growth medium using a mix of agar and other nutrients in which microorganisms, including bacteria and fungi, can be cultured and observed under the microscope. Ingredients are added to the agar to meet the nutritional needs of the microbes.

#benznote #mybenznote #microbiology #chemistry #agar

How would you call name this molecule ? :D
Be creative

Your benznote
Order your favourite notesheet at www.benznote.com

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Why does onion make you cry ? It contains amino acid sulfoxides and enzymes enclosed in small bubbles form sulfenic acid after you cut into onion.
More science at www.benznote.com

Your benznote :) #mybenznote #carbonote #chemistry #science #organic #biochemist #biochemistry #bio #study #students #medstudent #medicine #medlife #futuremedstudent #future #futurechemicalengineer #easy #wonderful #instapic #cry

This compound with sidechains is component of fragrantic mixture called Sandacore widely used in perfumery :) Find out more at Twitter, Facebook or visit www.benznote.com

Your benznote

#mybenznote #carbonote #chemistry #science #organic #biochemistry #bio #biochemicalengineering #school #medicine #medlife #medstudent #medschool #futuremedstudent #futurechemicalengineer #students #easy #education #wonderful #instapic

Today I found out, that there is even International pancake day (no, it's not today) !
Perfect combination of pancake, maple syrup, blueberries and cinnamon :) Which compounds can you find in cinnamon ?

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#mybenznote #carbonote #chemistry #science #organic #biochemist #biochemistry #bio #medstudent #medicine #medlife #futuremedstudent #future #futurechemicalengineer #study #students ##school #learn #easy #wonderful #instapic

💉💊💊Classes of ANTIBIOTICS💊💊💉 Bacteria themselves can be divided into two broad classes:
✔Gram-positive ❌Gram-negative
The classes derive these names from the Gram test, which involves the addition of a violet dye to the bacteria. Gram-positive bacteria retain the colour of the dye, whilst Gram-negative bacteria do not, and are instead coloured red or pink. Gram-negative bacteria are more resistant to antibodies and antibiotics than Gram-positive bacteria. 🔘Beta-Lactams

Beta-lactams are a wide range of antibiotics, the first of which to be discovered was penicillin, which Alexander Fleming identified in 1928. They are mostly used against gram-positive bacteria. 🔘Sulfonamides

Prontosil was the first commercially available antibiotic, developed in 1932. 
It has a relatively broad effect against Gram-positive cocci and Gram-negative bacteria. 🔘Macrolides

The macrolides are mainly effective against Gram-positive bacteria, however, they act in a bacteriostatic manner, preventing growth and reproduction by inhibiting protein synthesis. Their effectiveness is marginally broader than that of penicillins. 🔘Oxazolidinones

Oxazolidinones are active against Gram-positive bacteria. Linezolid, approved for use in 2000, was the first marketed antibiotic in the class. 🔘Ansamycins

This class of antibiotics are effective against Gram-positive bacteria, as well as some Gram-negative bacteria. They inhibit the production of RNA, which has important biological roles inside the cells of the bacteria, and as such leads to the death of the bacterial cells. 🔘Quinolones

Quinolones are bactericidal compounds that interfere with the replication and transcription of DNA in bacteria cells.

#benznote #mybenznote #biology #chemistry#medine #chemstudent #antibiotics #antibiotika#quinolones #blactams #sulfonamides #macrolides#oxazolidinones #ansamycins #kimia

💞🍮Where do Macarons come from?🍮🎉💞 France 🇫🇷 or Italy🇮🇹? A bit of history...☟🖼 Food based on almonds were already popular in the Middle Ages, and the first recollection of macarons appearing were in Venetian monasteries in the 8th century. 
Back then, they were rather  called "priest’s bellybuttons", due to the pastry’s shape.
At the time, the macaron was a small sweet made of almonds, egg white and sugar, and was crunchy on the outside and soft on the inside.
Even though the French take credit for the macaron, Catherine de’ Medici likely brought the macarone to France in the 16th century from renaissance Italy.
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