-
Very nutritious 3 kinds of food, supplement nutrition, moisturize the skin, delicious and not expensive
Time of Update: 2022-09-08
Original: 3 kinds of foods that are very nutritious, supplement nutrition, moisturize the skin, delicious and not expensive!Eyebrow beansMeidou is a vegetable with high nutritional value, which is ric
-
Food-induced sexual desire: Chinese scientists "Nature" published an article to reveal the aphrodisiac effect of protein
Time of Update: 2022-05-02
▲ The transition from eating to mating requires Dh31 and Dh31 receptors in the gut (Image source: Reference [1])After entering the brain, Dh31 can activate two types of neurons that express Dh31 receptors, which in turn affect the behavior of flies through two independent neural pathways: one type of neurons inhibits feeding behavior; the other type promotes courtship behavior .
-
Determination of total chromium in soil. Flame atomic absorption spectrophotometry (2
Time of Update: 2022-03-09
2000g sample in a microwave digestion tank, wet it with a small amount of water, add 6mL nitric acid, 2mL hydrofluoric acid , digest according to a certain temperature program, after cooling, transfer the solution into a 50mL PTFE crucible, add 2mL perchloric acid, the temperature of the electric heating plate is controlled at 150℃, to drive away the white smoke and steam until the content is viscous .
-
Nature sub-issue reports the structural mechanism of the activation of nitric oxide receptor sGC by stimulators and activators
Time of Update: 2021-09-29
On September 17, Chen Lei's research group at the Institute of Molecular Medicine, School of Future Technology, Peking University analyzed the high-resolution structure of the human-derived sGC full-length protein, YC-1 and riociguat, and the activator cinaciguat complex.
-
Determination method of sulfa drug residues (2
Time of Update: 2021-09-04
The sample was extracted with anhydrous sodium sulfate and acetonitrile, fluorescein was pre-column derivatized, determined by HPLC-FLD, and quantified by external standard method .
The samples were extracted with acetonitrile and concentrated phosphoric acid, purified by LLP and SPE, derivatized with fluorescein, and then analyzed by HPLC-FLD .
-
China Resources Double Crane's 2020 net profit of 1.005 billion chronic disease business revenue declines
Time of Update: 2021-07-16
391 billion yuan, down 8% year-on-year, and net profit (attributable to the parent company) was 1.
151 million yuan, the total pre-tax remuneration received by the director and president Yu Shunting from the company was 2.
-
The New Role of Raf-like Protein Kinases in Rice Immune Response in Mol Plant
Time of Update: 2021-03-25
2-OsMPK6 cascade phosphorylates the Raf-like kinase OsEDR1 and inhibits its The research paper "scaffold function to promote rice disease resistance" reveals the mutual regulation mechanism between a Raf-like protein kinase and mitogen-activated protein kinase (MAPK) signal cascade in rice immune response.
-
New progress has been made in the study of CNG gate-controlled molecular system
Time of Update: 2021-03-04
To this end, Li Guohui, a researcher at the Dalian Institute of Chemical Physics of the Chinese Academy of Sciences (hereinafter referred to as Dalian Chemical Institute), worked with a team of Columbia University professors Yang Jian and Asim Frank to make new progress in the field of interpretation of CNG's gate-controlled molecular machinery, the results of which were published online June 1 in Nature-Structural and Molecular Biology.
-
Selection of Transgenic Rice Plants Using a Herbicide Tolerant Form of the Acetolactate Synthase Gene
Time of Update: 2021-01-12
Acetolactate synthase (ALS) is an enzyme in the biosynthetic pathway for branched-chain amino acids, and bispyribac-sodium (BS), a pyrimidinyl carboxy herbicide, is a well-known inhibitor of ALS activity.
Because this selection marker cassette is originally from the rice endogenous genome, it can be expected to be publicly acceptable.
-
Synthesis of Peptidomimics Through Sugar-Based Scaffolds
Time of Update: 2020-11-30
Poor oral bioavailability, low metabolic stability towards proteolysis and rapid excretion via both liver and kidneys displayed by innumerable peptides of potential therapeutic value has generated an
-
Regulation of MAPK Cascades by Protein Tyrosine Phosphatases
Time of Update: 2020-11-23
On the other hand, dephosphorylation of any of these two residues is sufficient to inactivate the MAPKs. Thus, the protein serine/threonine phosphatases PP2A and PP2C can inactivate, in intact cells, the MAPKs extracellular signal-regulated kinase 1/2 (ERK1/2) and p38α, respectively ( 3 , 4 ).
-
Modified Schiff base epoxy resin
Time of Update: 2020-10-29
Scientists have recently been studying the use of the new modified Schiff alkaline epoxy resin as an organic coating.
The results show that coatings based on new epoxy resins have good elasticity and impact resistance.
-
Drink high-sugar drinks and carbonated drinks as water? Be careful of gout
Time of Update: 2020-08-25
According to the Guangzhou Daily, the main components of high-sugar beverages and carbonated beverages include white sugar, which, when entered into the body, metabolizes the resulting sugar and converts it into a substance that can synthesize radon, increasing uric acid production.
-
There are more confirmed cases in Heilongjiang than in Hubei
Time of Update: 2020-08-04
On April 5, , by bus arrived at the joint inspection hall of the Yufen River port, tested positive for nucleic acid of the new crown virus, and was transferred to the People's Hospital of Yufenhe City for isolation treatment.
-
Some amino acid producers forecast 12-year earnings loss
Time of Update: 2020-07-02
January-February 2013, some amino acid production enterprises issued a preliminary results forecast for 2012, the company's performance is expected to lose: Star Lake Technology attributable to the