Method for detecting food preservatives <br> As a kind of food additive, preservatives have always been the focus of food testing industry. There are many kinds of preservatives, and there are various detection methods. What are the advantages and disadvantages of each test method? Let's t
(1) Principle The crude protein obtained by salting out (the IgG obtained by salting out) contains salts such as ammonium sulfate, which will affect the subsequent purification, so it should be removed before purification. This process is called "desalthing". . Desalination is commonly us
New technology significantly improves the detection rate of non-surgical epilepsy in children July 27, 2018 Source: Science and Technology Daily Window._bd_share_config={ "common":{ "bdSnsKey":{ },"bdText":"","bdMini":"2","bdMiniLi
Things to watch out for when culturing cells <br> Cell culture plays an important role in life science research. Many of the results of the experiment can be described as the cell culture of the adult, and the cell culture of the defeat. However, the cell abuses me thousands of times, I wait
Today's people like to eat whole grains. Sweet potatoes are also very popular in this age of better living conditions, because everyone is beginning to pursue a life of health care. Let's learn about the introduction of sweet potato planting steps. First, cultivate se
1. The product is centrally controlled by the central government, and the degree of automation is high, and no special personnel are required to be on duty. 2. Automatic leakage protection, high and low pressure automatic protection, no waste water protection and other fu
Recently, experts from the Academic Hospital of the University of Leuven in Belgium developed the world's first 3D printed eye for a 68-year-old male patient. More importantly, the cost of manufacturing this 3D printed prosthetic eye (or false eye) is only 1,300 euros, and most o
After the tail buds were tested and proved to be the tail buds of the potato, the yield was only 1/3 of the top bud or side bud plantlets. Therefore, the tail buds should not be disposed of when cutting the seed potatoes. High ridge cultivation and high ridge cultivation on both sides of the soil
Peanuts are also called groundnuts. It takes only one month from sowing to flowering and the flowering period is up to two months. Peanut oil content is as high as 50%, and peanuts nourish and replenish the benefits of longevity. After processing into a non-staple food, it is a
Capillary column installation method The capillary column consists of a column tube, a pressure cap, a ferrule (seal ring), a sieve plate (filter), a joint, a screw, etc., and a sieve plate is arranged in the column joint at both ends. The steps to properly install a capillary column are as follow
Lung pluripotent stem cells can participate in lung regeneration "cross-border" February 21, 2019 Source: Science and Technology Daily Author: Wang Window._bd_share_config={ "common":{ "bdSnsKey":{ },"bdText":"","bdMini":"2",&
Camellia, also known as camellia, prefers a warm, humid environment with a long flowering period, usually in the first three to three months. Camellia has different degrees of red, purple, white and yellow flowers, and even colored spotted camellia. In the process of potted Ca