79results about How to "Strong ability to resist harsh environment" patented technology

The invention discloses compound fertilizer capable of improving peach quality. The compound fertilizer is prepared from the following raw materials in parts by weight: 40-60 parts of urea, 10-20 parts of monoammonium phosphate, 5-12 parts of triple superphosphate, 10-30 parts of monopotassium phosphate, 10-18 parts of potash magnesium sulphate fertilizer, 40-80 parts of rape seed cake, 5-15 parts of fermented tobacco stem, 4-10 parts of plant ash, 10-20 parts of straw, 10-18 parts of cottonseed meal, 5-12 parts of wheat bran, 10-20 parts of humic acid compound medical stone, 2-4 parts of bamboo charcoal, 1-3 parts of oil shale, 2-8 parts of coal gangue, 2-4 parts of decomposed coal, 0.15-0.6 part of zinc sulfate, 0.1-0.6 part of ferrous sulfate, 0.2-0.8 part of ammonium molybdate, 0.1-0.8 part of boracic acid and 2-8 parts of carboxymethylcellulose.

The invention discloses a preparation method and an application of a tumor-targeted nano-artificial antibody. A plurality of functional monomers and a cross-linking agent are polymerized according todifferent components to form a gel nano particle artificial antibody, and the affinity and selectivity of the artificial antibody to a tumor marker are regulated and controlled by changing the ratio of the functional monomers. The specificity and selectivity of the nano artificial antibody to the tumor marker are improved by combining a molecular imprinting technology and taking tumor marker holoprotein or a stable polypeptide fragment as a template. After screening, the affinity constant KD value of the nano artificial antibody to the tumor marker reaches 10<-11> M, which is equivalent to that of an antibody. The obtained nano artificial antibody is combined with magnetic nano particles, a monolithic column or a micro-fluidic chip, so that selective recognition and capture of tumor markers, circulating tumor cells and exosomes can be realized; high-sensitivity detection of tumor markers, circulating tumor cells and exosomes is achieved through high-sensitivity Raman spectroscopy, fluorescence quantitative detection, ELISA kits, chemiluminescence kits and other methods.

The invention relates to a quick detection method of trichlorfon based on quantum dot labeling. The quick detection method is characterized by taking quantum dot labeled haptens as markers, taking a hydrophilic molecularly-imprinted polymer membrane as a bionic antibody, and utilizing an immunoadsorption measuring theory to establish the quick sensitive detection method with an extensive detection range on trichlorfon. The quick detection method combines the molecular imprinting technique and the immunity technique to establish the bionic immunoadsorption detection method with high sensitivity on trichlorfon, greatly shortens the analysis time (shortened by 1.0h compared with biological immunity analysis), and is suitable for quick detection of trichlorfon. The quick detection method is low in cost, high in sensitivity and simple in experiment operation, and can be extensively used in detection of trichlorfon in various foods.

The invention discloses chloramphenicol molecularly imprinted polymer and a preparation method thereof. The preparation method includes: taking chloramphenicol as template molecule and methylacrylic acid as functional monomer to form host-guest complex; adding a crosslinking agnet EDMA for free radical copolymerization; using solvent methanol and acetic acid mixed liquid to precipitate polymer out of solvent to obtain the chloramphenicol molecularly imprinted polymer, wherein mole ratio of CAP, methylacrylic acid and EDMA is 1:0.5:20. The chloramphenicol molecularly imprinted polymer produced by the method has quite high selectivity and specificity, high stability, long service life and high resistance to severe environment. The chloramphenicol molecularly imprinted polymer is low in cost, simple to operate and easy in reaction condition control.