'-TAAACTTCAGGGTGACCAAAAAATCA-3'; reverse primer LCO14905'-GGTCAACAAATCATAAAGATATTGG-3' . >The PCR reaction system is based on 25ul, including 1×PCR buffer (without MgCl), 2.
Principles and experimental methods of PCR technology (3
Time of Update: 2022-06-30
The PCR identification of the black snake is to use the 12SrRNA gene sequence in the mitochondrial genome, and the specific PCR primers of the black snake are designed through specific sites.
Guiding Principles of DNA Barcode Molecular Identification Method for Chinese Medicinal Materials (1
Time of Update: 2022-06-30
(2) Leaves, flowers, and whole plants: The DNA of these medicinal materials can generally be successfully extracted using the kit method.
General Overview of Drug Reference Materials (2
Time of Update: 2022-06-23
The establishment of the first batch of reference materials follows the principles of applicability (in line with the requirements of drug standards), representativeness (characteristic values should be accurate) and easy availability (raw materials are easier to obtain) .
Mechanism and characteristics of extraction in microwave vacuum drying oven
Time of Update: 2022-06-17
③ Microwave vacuum drying oven extraction is less limited by solvent affinity, more solvents can be selected, and the amount of solvent is reduced .
How to better use the reactor heating circulation device
Time of Update: 2022-06-17
according to the chemical process technology, controls the temperature of the reaction process, and meets the requirements of the reaction process for temperature changes. The specially customized circulating pump can provide a large flow rate
Fingerprints of Hawthorn Leaf Extract and Jiefeng Feng Extract
Time of Update: 2022-06-17
2015 edition of "Chinese Pharmacopoeia" main component of said two items established for determination showed that the product calculated on dry goods, containing isofraxidin (C .
Growth in major Asian economies drives demand for petrochemical products
Time of Update: 2022-06-06
GlobalData said that the growth of major Asian economies is expected to rebound in 2021, because containment measures and stimulus programs may increase economic activity in the region and boost demand for petrochemical products.
Will paper straws be "abandoned
Time of Update: 2022-05-26
straws, most consumers prefer this type of straws . Some people in the industry have indicated that the purchase cost of plastic straws is about 5 or 6
Efficient reverse transcription—the key to detection of low-copy RNA such as lncRNA
Time of Update: 2022-05-26
on PrimeScript reverse transcriptase, which are summarized in the following table . >>During the Spring Promotion of Takara products, the above products
One-click access to cultural relics "identity card" detection and inspection technology to escort cultural relics and art
Time of Update: 2022-05-25
It is worth mentioning that the unique identification equipment for artworks not only works hard to collect basic information such as cultural relics and oil paints, but also has been upgraded in terms of intelligence and networking .
Using rice husks to "light up" silicon quantum dot LED lights usher in a broader road to silicon quantum dots
Time of Update: 2022-05-24
. In recent years, due to the special electronic and optical properties of silicon quantum dots, remarkable research progress has been achieved in the fields of light-emitting devices, solar cells, and photodetectors .
TLR4 is a regulator of trained immunity in Duchenne muscular dystrophy
Time of Update: 2022-05-24
In a previous study, the researchers constructed dystrophic mice (mdx mice, a DMD model) lacking the chemokine receptor CCR2 and demonstrated that bone marrow (monocyte)-derived macrophages (BMDMs) in the early stages of disease importance in pathogenesis .
New process: the purity of ammonium thiocyanate extracted from sulfur foam can reach 98
Time of Update: 2022-05-23
New technology to recover high-value products Su Dong, secretary-general of Henan Petroleum and Chemical Industry Association, said that the coking industry generally faces the problem of desulfurization waste liquid treatment, which has attracted much attention .
Announcement of Nanchong Market Supervision and Administration Bureau on Food Safety Supervision and Sampling (No. 04 of 2022
Time of Update: 2022-05-22
> organized food safety supervision and sampling inspections , and extracted edible oils
"General Technical Requirements for Intelligent Manufacturing Equipment" National Standard Open Call for Participating Units
Time of Update: 2022-05-21
/> At the same time, the company's own production process and operation management are vigorously promoting technological transformation with digitalization, networking and intelligence as the main direction. The development of intelligent
A new discovery has been made in the investigation of the "star plant" Yangbi maple, which is a very small population
Time of Update: 2022-05-19
Among them, the Yangbi maple species found in the Laojun Mountain National Nature Reserve in Wenshan is the largest, with about 80 plants, and the largest diameter at breast height is 133cm .
Spain ranks second in the world in the production of canned tuna
Time of Update: 2022-05-19
Islands (UIB), Spain has 640 canning companies and is the main production area of canned tuna in Europe, with an annual
Pujing PGA project technical transformation
Time of Update: 2022-05-16
workshop, which is parallel to the first-phase polyglycolic acid prepolymerization section. Part of the polyglycolic acid oligomer is extracted from the polyglycolic acid prepolymerization section and enters the synthesis unit for reaction.
