titration The acid-base titration is an analysis method based on proton transfer reaction . It is often used for the determination of alkaloids .
Determination of aflatoxin residues (1)
Time of Update: 2022-06-29
The photochemical derivatization method uses octadecylsilane-bonded silica gel as the filler; column temperature: 40°C; uses methanol-acetonitrile-water (40:18:42) as the mobile phase, according to the gradient ratio in Table 13-3 Carry out gradient elution, flow rate 1.
The meaning and characteristics of Chinese medicine classification (1)
Time of Update: 2022-06-29
/> In general, the dissolution rate and bioavailability of tablets are better than those of pills . However, children and comatose patients are not easy to swallow. Some Chinese
Determination methods and general steps of Chinese medicine content (1)
Time of Update: 2022-06-29
on the chemical reaction of substances, mainly including titration analysis method and gravimetric analysis method . The instrument used is simple and the results are accurate. It is mainly
Inspection Method of Chinese Medicine Pills (1)
Time of Update: 2022-06-28
>. >3. The precautions are the same as the corresponding methods of the Chinese herbal medicine moisture determination method . >4
Inspection method of Chinese medicine spray (1)
Time of Update: 2022-06-28
be checked for the uniformity of the delivered dose. Inhalation sprays for nebulizers should be checked for the fine particle dose, delivery rate and total delivery. Single-dose sprays should be checked for differences in volume, and non
Inspection method for ophthalmic preparations (1)
Time of Update: 2022-06-28
/>. >Judgment of results: The results of eye drops for non-biological products are determined in accordance with Table 15-10 . >
Inspection method of decoction (cream) (1)
Time of Update: 2022-06-26
boiled cold water, and then follow the test method for determining the weight of the test product Measure the weight of water at the same temperature . >5) When using a pycnometer
Aerosol inspection method (1)
Time of Update: 2022-06-25
>(1) This law is applicable to the inspection of the injection rate of non-quantitative aerosols . >(2) Non-quantitative valve aerosols
Test method for adhesive force of plaster (general rule 0592) (1)
Time of Update: 2022-06-24
/>>2. The adhesive force measurement method of plaster is divided into 4 methods, the first method (measurement of initial adhesion), the second method (measurement of holding adhesion), the third method
Safety inspection of traditional Chinese medicine injections (1)
Time of Update: 2022-06-24
preparation. Add 2% red blood cell suspension, 0. 9% sodium chloride solution, and distilled water in sequence , and mix well
Technical requirements for the development and calibration of Chinese medicine reference materials (1)
Time of Update: 2022-06-24
The main technical aspects of the development and calibration of Chinese medicine reference materials include: species identification, candidate raw material preparation technology research
General Overview of Drug Reference Materials (1)
Time of Update: 2022-06-24
The 1985 edition of the "Chinese Pharmacopoeia" included 76 chemical reference substances and reference medicinal materials in the standard for the first time.
Inspection Method for Minimum Loading Quantity of Traditional Chinese Medicine Preparations (General Rules 0942) (1)
Time of Update: 2022-06-23
tool). The volume to be measured should be at least 40% of its rated volume). After the viscous liquid is poured out, unless otherwise specified, invert the container for 15 minutes and try to empty it out
[Professional title exam] Key points you can't miss Advanced Anesthesiology Course Anesthesia and Respiratory System (1)
Time of Update: 2022-06-19
The second section of AUTUMN, the ventilation of the lungs, the compliance of the chest and the lungs: the change of the gas volume in the lung caused by the unit pressure change is called lung-thoracic compliance .
Chemiluminescence IVD Industry Technical Responsibility (Part 1)
Time of Update: 2022-06-18
Figure | Classification and advantages and disadvantages of chemiluminescence immunoassays Whether it is chemiluminescence or other immunodiagnostic reagents, the most important raw materials are antibodies and antigens.
Hanwei Technology issued an additional 1 billion yuan for sensor research and development
Time of Update: 2022-06-18
> ] On September 17, Hanwei Technology issued an announcement stating that the Shenzhen Stock Exchange issued to the company the application documents for accepting Hanwei Technology’s issuance of stocks to specific targets the day before.
clinical results of oncolytic virus/PD-1 antibody combination
Time of Update: 2022-06-17
▎WuXi AppTec Content Team Editor Today, CG Oncology announced that the company's oncolytic virus therapy CG0070, in combination with Merck's anti-PD-1 antibody Keytruda, has been approved in a Phase 2 clinical trial for the treatment of non-muscle invasive bladder cancer.
analyzed the mechanism of infection enhancement and immune escape of Omicron BA.1 and BA.2, and explored the potential evolutionary path of Omicron
Time of Update: 2022-06-14
-peer-reviewed article titled "Structural and biochemical mechanism for increased infectivity and immunity on the preprint platform bioRxiv. evasion of Omicron BA. 1 and BA. 2 variants and their mouse origins” research paper
