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What is the chemical structure of tetraiodofluorescein (reagent)?
The chemical structure of four wonderful fluorescein (test drug) is also the key to many medical pharmacology. The delicate structure of this fluorescein is like a wonder created by heaven and earth, and contains endless mysteries.
The structure of four wonderful fluorescein is cleverly combined with several key groups. The first one to bear the brunt is a core aromatic ring structure, which is like a mainstay and lays the basic structure. On the aromatic ring, there are several specific substituents. These substituents are not randomly placed, but follow delicate laws. Their location, type and quantity all play a decisive role in the properties of fluorescein.
Looking at its side chain, there is also a unique structure. The special functional groups contained in the side chain are either hydrophilic or lipophilic, which makes Ximiaofluorescein exhibit specific behavior in different environments. The hydrophilic functional group can make it well dispersed in aqueous media, while the lipophilic part helps it interact with lipid-soluble substances.
And in Ximiaofluorescein, there is a conjugated system. The formation of the conjugated system is like building a bridge for electron transmission, which greatly affects the optical properties of fluorescein, such as fluorescence emission wavelength and fluorescence intensity. The degree of extension of the conjugated system is just like the length of the bridge, and the appropriate length can ensure the excellent fluorescence performance.
Furthermore, the spatial arrangement of atoms in a molecule, that is, the spatial configuration, is also an indispensable part of its chemical structure. The appropriate spatial configuration makes the atoms and groups coordinate with each other, avoid unnecessary spatial hindrance, and then ensure the stability and normal function of the molecule. The chemical structure of this four-wonderful fluorescein is like a carefully drawn picture. Each part complements each other and together constitutes its unique chemical essence. It has functions that cannot be ignored in many fields such as medicine and detection.
What are the main uses of tetraiodofluorescein (reagent)?
The main use of Artemisia annua (trial medicine) is quite extensive.
Artemisia annua has existed in ancient times, and the "Shennong Materia Medica" has recorded it, saying that its main scabies are itchy, sore, lice-killing, and left hot in the bone joints, which is clear. The compatibility of the four flavors of Artemisia annua, one of which can be used to remove filth and detoxify. At present, the epidemic gas is rampant, and the filthy gas is easy to invade and cause disease. The four flavors of Artemisia annua have the ability to aromatize and remove filth, which can remove evil from the outside, making it difficult for the evil of the epidemic to enter the body and protect people's well-being. Second, it has the effect of If the person externally feels the evil of warmth, or the body accumulates heat, causing blood-heat delusions, such as fever and rash, the four-flavor Artemisia annua can clear away the heat in the blood, make the heat evil dissipate, and the blood will return to normal. Third, it can also relieve heat and dampness. During the hot summer, the evil of summer dampness is easy to disturb people, causing dizziness, chest tightness, nausea, diarrhea and other diseases. The four-flavor Artemisia annua can reduce dampness, relieve heat, make the qi unobstructed, and relieve all diseases. Fourth, it is also effective in reducing virtual heat. If a person has been sick for a long time and is weak, yin deficiency produces internal heat, see afternoon hot flashes, night sweats and other diseases, the four-flavor Artemisia annua can reduce its virtual heat, nourish yin, and help the body recover.
Therefore, Artemisia annua (test medicine) has significant uses in many aspects such as removing filth and detoxifying, clearing heat and cooling blood, relieving heat and dehumidifying, and reducing virtual heat, and can be used by physicians to treat diseases.
What are the physical properties of tetraiodofluorescein (reagent)?
The physical properties of the four sticks of candlelight (trial medicine) are particularly important, and it is related to its performance in various uses. This plain color is pure and bright, often in a white state, just like frost and snow beginning to congeal, and if the moon gathers, it has a cold feeling when viewed, but the radiance is soft and not stabbing.
Its weight is light, and it feels like nothing to touch, but it has subtle toughness. Although it is not as strong as gold and stone, it is difficult to break and damage easily under normal circumstances. With your hand, you can feel that its surface is smooth and delicate, without the slightest roughness and stagnation. It seems to have been crafted by heaven, and it feels delicate, just like caressing high-quality silk.
The four-stick candlelight element has good thermal conductivity. When placed in a slightly hot place, it heats up quickly and can dissipate heat evenly. If it is burned on fire, it can be seen that it gradually melts when heated, but does not overflow and scatter. It only turns into a crystal clear liquid. Although the shape changes, its quality remains unchanged. After cooling, it returns to the solid state and remains in its original state. Its shape change is reversible, and during the change process, there is no odor emission and no color change.
Furthermore, this element has good light transmittance. Although it is not as clear and transparent as glass, it can scatter light evenly under the light, creating a soft and warm atmosphere. If it is used as a screen and separated from the light, the light you see is like a layer of gauze, but it does not reduce its brightness, which can add a bit of hazy beauty to the surrounding scenery. And its insulation is also quite impressive, and it can be used as a material to isolate current in the use of electricity, to ensure the stability of all things, and to avoid the risk of current disorder. In short, the four-bar candle light element has unique physical properties and can be used in many matters, which is a wonder given by heaven.
What is the preparation method of tetraiodofluorescein (reagent)?
For Simiao Fluorescein (test drug), the preparation method is as follows:
Take the purifier first, and heat it over fire to make it dry and scale-free. To prepare all kinds of medicinal materials, you need to take the high-quality grass black, peel the umbilical cord, cut it into thin slices, soak it in water for three days, change its water every day, and remove its toxicity. Take realgar again, and grind it into a very fine powder, sift it, and make it even. Then take sulfur, also grind it into the end, and put it in the same place as the realgar powder.
Put another tung oil into the pot, fry it slowly, until the temperature of the oil is moderate, do not overheat it to cause it to smoke, and do not overheat it to not reach the required heat. The soaked grass black slices, drain the water, slowly put into the oil, and fry until the grass black color turns slightly yellow. At this time, the ground realgar and sulfur powder are slowly sprinkled into the oil, and at the same time, keep stirring with a wooden spoon to make all the medicines integrate evenly.
Continue frying for a while, paying attention to the change of heat and medicine. When the medicinal oil shows a slightly fluorescent color, stop the fire. Pour the medicinal oil into a porcelain bottle, seal its mouth, place it in a cool and dry place, and wait for it to cool and shape, the four wonderful fluorescein (test drug) will be prepared.
When preparing, you need to be careful. The control of the heat and the proportion of the medicinal materials are all about success or failure. The toxicity of grass black is quite large, and the work of soaking cannot be saved. The research of realgar and sulfur also needs to be fine, and the mixing should be uniform before a qualified test drug can be prepared.
What are the precautions for using tetraiodofluorescein (reagent)?
Four flavors fluorescein (reagent) is a wonderful thing, and many things need to be paid attention to when using it.
First, you must read its manual carefully. In this manual, the preparation method, properties, usage, dosage and things to pay attention to are all detailed. If you don't check it carefully, you may make mistakes if you use it rashly, and the results of the experiment will be difficult to be accurate.
Second, when using it, the method needs to be accurate. Because it is a reagent, the amount of dosage is related to the success or failure of the experiment. When using a precise measuring tool, the amount should be taken according to the square, and there should be no slight deviation. If the dosage is too much, or the reaction is too extreme, the product is impure; if the dosage is too small, the reaction may be difficult to be sufficient, and the
Third, the method of storage should not be ignored. It should be placed in a dry, cool and dark place. If it is not stored properly, it will be disturbed by light, high temperature and humidity, and its nature may change, which will affect its effectiveness. For example, if it is extremely hot in summer, if it is placed in a high temperature place, it may deteriorate and fail.
Fourth, the use environment should also be paid attention to. A clean and stable environment is appropriate. If there is impurity interference in the environment, or mixed with other substances, the reaction path or changes will not achieve the expected effect.
Fifth, the operator should strictly abide by the procedures. Wear protective equipment, such as gloves, goggles, etc., to prevent accidental contact and injury to yourself. After the operation, properly dispose of the remaining reagents and utensils, and keep the place clean for next use.
Only when using Siwei Fluorescein (reagent), pay attention to the above things, in order to ensure the smooth experiment, get accurate results, and live up to the wonders of this reagent.
