547 Results for "

gastric-simulating medium

" in MedChemExpress (MCE) Product Catalog:
Products (547)

547 Results for "gastric-simulating medium" in MCE Product Catalog:

Cat. No.: HY-133685R
CAS No.: 147852-83-3
Synonyms: C6-HSL (Standard)
Research Areas:  

Infection Metabolic Disease

N-Hexanoyl-L-homoserine lactone (Standard) is the analytical standard of N-Hexanoyl-L-homoserine lactone (HY-133685). This product is intended for research and analytical applications. N-Hexanoyl-L-homoserine lactone is a short-chained N-acyl homoserine lactone (AHL). N-hexanoyl-L-homoserine lactone is also a mediator of bacterial quorum-sensing regulation. N-hexanoyl-L-homoserine lactone promotes lipid accumulation in algae. AHL is an intercellular communication signal molecule in the quorum sensing system of Gram-negative bacteria and a medium for mediating information exchange between eukaryotic plants and prokaryotic bacteria. AHL can affect bacteria activities, such as biofilm formation, pigment synthesis, and antibiotic synthesis.
loading...
    loading...
Cat. No.: HY-156184
CAS No.: 3671-77-0
Octanoylcarnitine is an orally active medium-chain acylcarnitine transport intermediate in fatty acid β-oxidation. Octanoylcarnitine is converted to octanoyl-CoA by carnitine acetyltransferase (CrAT), which then generates energy via β-oxidation in mitochondria of the heart and skeletal muscle. Octanoylcarnitine enhances grip strength and treadmill endurance, alleviates lactic acidosis, distributes in muscle and heart tissues, increases free carnitine levels, and mitigates mitochondrial stress. Octanoylcarnitine is associated with long-chain fatty acid metabolism, shows a positive correlation with subcutaneous fat area in patients with metastatic pancreatic ductal adenocarcinoma, and is closely related to central retinal artery occlusion (CRAO) .
loading...
    loading...
Cat. No.: HY-160113E
Sodium phosphate buffer 0.1M, pH 8.0 is an aqueous sodium phosphate buffer with a concentration of 0.1M and a pH value of 8.0. Sodium phosphate buffer 0.1M, pH 8.0 can be used for the preparation of hydrated micellar membranes, the construction of pH-sensitive nanocarriers, and the maintenance of stable environmental conditions for pH-cleavable PEG-Hz-PE micelles. Sodium phosphate buffer 0.1M, pH 8.0 can also serve as a universal solvent, reaction medium and eluent, and is widely applied in experimental processes such as antibody thiolation, nanoparticle purification and cross-linking reactions .
loading...
    loading...
Cat. No.: HY-175648
Target:  

Parasite

Research Areas:  

Infection

Antiparasitic agent-28 is an orally active, selective inhibitor of Toxoplasma gondii phenylalanine tRNA synthetase (TgcPheRS) with blood-brain barrier penetration. Antiparasitic agent-28 inhibits the growth of T. gondii tachyzoites (TgME49-Fluc strain) an (EC50 = 1 nM) and T. gondii bradyzoites (Tg68nLuc strain) induced by alkaline (EC50 = 3 nM) and glutamine-rich medium (EC50 = 0.1 nM). Antiparasitic agent-28 demonstrates potent anti-toxoplasmosis efficacy in mice infected with TgME49-Fluc tachyzoites. Antiparasitic agent-28 can be used for the study of Toxoplasma gondii infection .
loading...
    loading...
Cat. No.: HY-D1470
CAS No.: 210832-86-3
Target:  

Fluorescent Dye

Research Areas:  

Others

BADAN is a thiol-reactive, environment-sensitive fluorescent probe used for site-specific labeling of protein cysteine residues to detect protein topology, local polarity, protein-lipid interactions, and conformational changes. The bromoacetyl group of BADAN covalently binds to cysteine thiols, and its fluorescence originates from the intramolecular charge transfer (ICT) excited state. The emission peak position varies with the polarity of the surrounding medium: it blue-shifts to approximately 488 nm in nonpolar environments (such as the hydrophobic core of lipid bilayers) and red-shifts to approximately 496-507 nm in polar environments (such as aqueous phases), independent of enzymes, pH, or membrane potential. Ex = 380-402 nm; Em = 400-600 nm .
loading...
    loading...
Cat. No.: HY-W251598I
CAS No.: 144-55-8
Synonyms: Sodium hydrogen carbonate, meets analytical specification of Ph. Eur., BP, USP, FCC, E500
Sodium bicarbonate, meets analytical specification of Ph. Eur., BP, USP, FCC, E500 is an inorganic salt that is neutral to slightly alkaline and easily decomposes when exposed to moisture in the air. Sodium bicarbonate can maintain the pH of the culture medium, thereby affecting the expression of inducible nitric oxide synthase (iNOS) and nitric oxide (NO) production in macrophages and reversing the acidosis of the tumor microenvironment. Sodium bicarbonate is widely used in the fields of food, medicine, cosmetics, etc. Its main uses include buffers, flavoring agents, disinfectants, pharmaceuticals, and proton gradient regulators. Sodium bicarbonate is also commonly used as an antacid to inhibit gastrointestinal diseases, neutralize gastric acid, and reduce gastric discomfort .
loading...
    loading...
Cat. No.: HY-103701AR
CAS No.: 113170-55-1
Synonyms: 2-Phospho-L-ascorbic acid magnesium (Standard); LAA2P magnesium (Standard)
L-Ascorbic acid 2-phosphate (magnesium) (Standard) is the analytical standard of L-Ascorbic acid 2-phosphate (magnesium). This product is intended for research and analytical applications. L-Ascorbic acid 2-phosphate magnesium (2-Phospho-L-ascorbic acid magnesium) is a?long-acting?vitamin?C?derivative?that can stimulate collagen formation and expression . L-Ascorbic acid 2-phosphate magnesium (2-Phospho-L-ascorbic acid magnesium) can be used as a culture medium supplement for the osteogenic differentiation of human adipose stem cells (hASCs). L-Ascorbic acid 2-phosphate magnesium (2-Phospho-L-ascorbic acid magnesium) increases alkaline phosphatase (ALP) activity and expression of runx2A in hASCs during the osteogenic differentiation .
loading...
    loading...
Cat. No.: HY-107837R
CAS No.: 66170-10-3
Synonyms: 2-Phospho-L-ascorbic acid trisodium (Standard)
L-Ascorbic acid 2-phosphate (trisodium) (Standard) is the analytical standard of L-Ascorbic acid 2-phosphate (trisodium). This product is intended for research and analytical applications. L-Ascorbic acid 2-phosphate trisodium (2-Phospho-L-ascorbic acid trisodium) is a long-acting vitamin C derivative that can stimulate collagen formation and expression[1]. L-Ascorbic acid 2-phosphate trisodium (2-Phospho-L-ascorbic acid trisodium) can be used as a culture medium supplement for the osteogenic differentiation of human adipose stem cells (hASCs). L-Ascorbic acid 2-phosphate trisodium (2-Phospho-L-ascorbic acid trisodium) increases alkaline phosphatase (ALP) activity and expression of runx2A in hASCs during the osteogenic differentiation[2][3].
loading...
    loading...
Cat. No.: HY-W010178
CAS No.: 54947-74-9
4-Methyloctanoic acid is an endogenous branched-chain medium-chain fatty acid and a negative regulator of the cAMP/PKA signaling pathway. 4-Methyloctanoic acid exerts antiepileptic effects by inhibiting epileptiform discharges and terminating behavioral and electroencephalographic seizures. 4-Methyloctanoic acid has neuroprotective effects; its polar metabolites can cross the blood-brain barrier, repair presynaptic release defects, improve motor function and alleviate neuromuscular degeneration in ALS models. 4-Methyloctanoic acid regulates phosphatidylinositol metabolism, reduces PIP/PIP2 levels and increases inositol levels. 4-Methyloctanoic acid can be used in studies related to epilepsy and amyotrophic lateral sclerosis .
loading...
    loading...
Cat. No.: HY-W251598C
CAS No.: 144-55-8
Synonyms: Sodium hydrogen carbonate for cell culture; Soda bicarbonate for cell culture
Sodium bicarbonate, for cell culture (Sodium hydrogen carbonate for cell culture; Soda bicarbonate for cell culture) is an inorganic salt that is neutral to slightly alkaline and easily decomposes when exposed to moisture in the air. Sodium bicarbonate, for cell culture can maintain the pH of the culture medium, thereby affecting the expression of inducible nitric oxide synthase (iNOS) and nitric oxide (NO) production in macrophages and reversing the acidosis of the tumor microenvironment. Sodium bicarbonate is widely used in the fields of food, medicine, cosmetics, etc. Its main uses include buffers, flavoring agents, disinfectants, pharmaceuticals, and proton gradient regulators. Sodium bicarbonate is also commonly used as an antacid to inhibit gastrointestinal diseases, neutralize gastric acid, and reduce gastric discomfort .
loading...
    loading...
Cat. No.: HY-W251598J
CAS No.: 144-55-8
Synonyms: Sodium hydrogen carbonate (Pharmaceutical primary standard, USP); Soda bicarbonate (Pharmaceutical primary standard, USP)
Sodium bicarbonate, United States Pharmacopeia (USP) Reference Standard is an inorganic salt. Sodium bicarbonate, United States Pharmacopeia (USP) Reference Standard can maintain the pH of the culture medium, thereby affecting the expression of inducible nitric oxide synthase (iNOS) and nitric oxide (NO) production in macrophages and reversing the acidosis of the tumor microenvironment. Sodium bicarbonate, United States Pharmacopeia (USP) Reference Standard is widely used in the fields of food, cosmetics, etc. Its main uses include buffers, flavoring agents, disinfectants, pharmaceuticals, and proton gradient regulators. Sodium bicarbonate, United States Pharmacopeia (USP) Reference Standard is also commonly used as an antacid to inhibit gastrointestinal diseases, neutralize gastric acid, and reduce gastric discomfort .
loading...
    loading...
Cat. No.: HY-W251598S
CAS No.: 87081-58-1
Bicarbonate- 13C sodium is the 13C-labeled Sodium bicarbonate (HY-Y0756). Sodium bicarbonate is an inorganic salt that is neutral to slightly alkaline and easily decomposes when exposed to moisture in the air. Sodium bicarbonate can maintain the pH of the culture medium, thereby affecting the expression of inducible nitric oxide synthase (iNOS) and nitric oxide (NO) production in macrophages and reversing the acidosis of the tumor microenvironment. Sodium bicarbonate is widely used in the fields of food, medicine, cosmetics, etc. Its main uses include buffers, flavoring agents, disinfectants, pharmaceuticals, and proton gradient regulators. Sodium bicarbonate is also commonly used as an antacid to inhibit gastrointestinal diseases, neutralize gastric acid, and reduce gastric discomfort .
loading...
    loading...
Cat. No.: HY-113058R
CAS No.: 14292-27-4
3-Hydroxyoctanoic acid (Standard) is the analytical standard of 3-Hydroxyoctanoic acid (HY-113058). This product is intended for research and analytical applications. 3-Hydroxyoctanoic acid is a medium-chain β-hydroxy fatty acid that possesses antibacterial, antifungal, and quorum-sensing regulatory activities. 3-Hydroxyoctanoic acid is an endogenous agonist of the human HCAR3 receptor, decreases intracellular cAMP, reduces IL-1beta secretion, increases IL-10 secretion, and decreases ROS production in macrophages. 3-Hydroxyoctanoic acid inhibits quorum-sensing-regulated pyocyanin production in Pseudomonas aeruginosa PAO1 and inhibits the yeast-to-hypha transition in Candida albicans. 3-Hydroxyoctanoic acid is used in research related to metabolism, bacterial infections, and fungal infections .
loading...
    loading...
Cat. No.: HY-116748
CAS No.: 257641-01-3
Target:  

PDI Phosphatase

(±)-trans-1,2-Bis(2-mercaptoacetamido)cyclohexane is a small-molecule dithiol catalyst with a low thiol pKa value (8.3) and high reduction potential (-0.24 V), capable of mimicking PDI activity. It catalyzes the activation of scrambled ribonuclease A (scrambled ribonuclease A) and promotes the formation of native disulfide bonds, thereby significantly enhancing protein folding efficiency. Adding (±)-trans-1,2-Bis(2-mercaptoacetamido)cyclohexane to the culture medium of Saccharomyces cerevisiae can increase the secretion of exogenously expressed Schizosaccharomyces pombe acid phosphatase by more than threefold. (±)-trans-1,2-Bis(2-mercaptoacetamido)cyclohexane holds great potential for applications in protein production and secretion research .
loading...
    loading...
Cat. No.: HY-134421
CAS No.: 102680-35-3
Research Areas:  

Metabolic Disease

2-Butenoyl coenzyme A lithium is an inactivator and a substrate of Plasmodium falciparum enoyl-β-hydroxyacyl-acyl carrier protein (ACP) reductase and other enoyl-CoA reductases, and it is also the lithium salt of trans-2-methyl-2-butenoyl coenzyme A. 2-Butenoyl coenzyme A lithium acts on short-chain and medium-chain coenzyme A dehydrogenases as well as glutaryl-CoA dehydrogenase, and shows no activity against wild-type isovaleryl-CoA dehydrogenase. 2-Butenoyl coenzyme A lithium functions as a metabolite in the L-isoleucine catabolic pathway, and can serve as a substrate in the activity assay of 3-ketothiolase. 2-Butenoyl coenzyme A lithium is applicable to research related to 3-ketothiolase deficiency .
loading...
    loading...
Cat. No.: HY-144012H
CAS No.: 474922-84-4
Synonyms: 16:0 PEG5000 PE; 1,2-Dipalmitoyl-sn-glycero-3-phosphoethanolamine-N-[methoxy(polyethylene glycol)-5000] ammonium
Target:  

Liposome

Research Areas:  

Others

DPPE-PEG5000 (16:0 PEG5000 PE) is a polymer-lipid conjugate and LipoParticle stabilizer with a PEG chain of 5,000 g/mol molecular weight attached to its polar head, and it can be internalized by biological membranes. DPPE-PEG5000 enables LipoParticle to maintain colloidal stability after 20-fold dilution in PBS or cell culture medium, and prevents aggregate formation during lyophilization and rehydration. DPPE-PEG5000 helps enhance the non-cytotoxic property of LipoParticle formulations against human osteoblasts. DPPE-PEG5000 serves as a PEG lipid functional end group for synthesizing liposomes (LPs), is used in the design of conjugated polymer nanoparticles, and applies to research related to bone and joint infections .
loading...
    loading...
Cat. No.: HY-D0259R
CAS No.: 16423-68-0
Synonyms: Erythrosin extra bluish (Standard); Tetraiodofluorescein disodium (Standard)
Research Areas:  

Infection

Erythrosine B (Standard) (Erythrosin extra bluish (Standard); Tetraiodofluorescein disodium (Standard)) is the analytical standard of Erythrosine B (HY-D0259). This product is intended for research and analytical applications. Erythrosine B (Erythrosin extra bluish; Tetraiodofluorescein) is a visible red dye and insecticide with colorimetric and fluorescent properties. Erythrosine B serves as a membrane-impermeant live-cell dye for Gram-positive and Gram-negative bacteria, primarily staining dead cells with damaged plasma membranes. Erythrosine B exhibits photosensitive larvicidal toxicity against Culex pipiens quinquefasciatus larvae. Erythrosine B is used in live/dead bacterial assays in colorimetric and fluorescent measurements for low-, medium-, and high-throughput experiments, as well as in research related to mosquito-borne diseases and food coloring .
loading...
    loading...
Cat. No.: HY-W700715
CAS No.: 1215622-76-6
3-Hydroxyoctanoic acid-d12 is the deuterated-labeled 3-Hydroxyoctanoic acid (HY-113058). 3-Hydroxyoctanoic acid is a medium-chain β-hydroxy fatty acid that possesses antibacterial, antifungal, and quorum-sensing regulatory activities. 3-Hydroxyoctanoic acid is an endogenous agonist of the human HCAR3 receptor, decreases intracellular cAMP, reduces IL-1beta secretion, increases IL-10 secretion, and decreases ROS production in macrophages. 3-Hydroxyoctanoic acid inhibits quorum-sensing-regulated pyocyanin production in Pseudomonas aeruginosa PAO1 and inhibits the yeast-to-hypha transition in Candida albicans. 3-Hydroxyoctanoic acid is used in research related to metabolism, bacterial infections, and fungal infections .
loading...
    loading...
Cat. No.: HY-107864R
CAS No.: 15905-32-5
Synonyms: Erythrosin extra bluish free acid (Standard); Tetraiodofluorescein (Standard)
Research Areas:  

Infection

Erythrosine B free acid (Standard) (Erythrosin extra bluish free acid (Standard); Tetraiodofluorescein (Standard)) is the analytical standard of Erythrosine B free acid (HY-107864). This product is intended for research and analytical applications. Erythrosine B free acid​ (Erythrosin extra bluish free acid; Tetraiodofluorescein) is a visible red dye and insecticide with colorimetric and fluorescent properties. Erythrosine B free acid serves as a membrane-impermeant live-cell dye for Gram-positive and Gram-negative bacteria, primarily staining dead cells with damaged plasma membranes. Erythrosine B free acid exhibits photosensitive larvicidal toxicity against Culex pipiens quinquefasciatus larvae. Erythrosine B free acid is used in live/dead bacterial assays in colorimetric and fluorescent measurements for low-, medium-, and high-throughput experiments, as well as in research related to mosquito-borne diseases and food coloring .
loading...
    loading...
Cat. No.: HY-144012
CAS No.: 474922-84-4
Purity:  99.83%
Synonyms: 16:0 PEG2000 PE ammonium; 1,2-Dipalmitoyl-sn-glycero-3-phosphoethanolamine-N-[methoxy(polyethylene glycol)-2000] ammonium
Target:  

Liposome

Research Areas:  

Others

DPPE-PEG2000 ammonium (16:0 PEG5000 PE) is a polymer-lipid conjugate and LipoParticle stabilizer with a PEG chain of 5,000 g/mol molecular weight attached to its polar head, and it can be internalized by biological membranes. DPPE-PEG2000 ammonium enables LipoParticle to maintain colloidal stability after 20-fold dilution in PBS or cell culture medium, and prevents aggregate formation during lyophilization and rehydration. DPPE-PEG2000 ammonium helps enhance the non-cytotoxic property of LipoParticle formulations against human osteoblasts. DPPE-PEG2000 ammonium serves as a PEG lipid functional end group for synthesizing liposomes (LPs), is used in the design of conjugated polymer nanoparticles, and applies to research related to bone and joint infections .
loading...
    loading...