1423 Results for "

Grampositive

" in MedChemExpress (MCE) Product Catalog:
Products (1423)

1423 Results for "Grampositive" in MCE Product Catalog:

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 .
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Cat. No.: HY-118773
CAS No.: 22816-60-0
Purity:  99.3%
Synonyms: A22 hydrochloride
Target:  

Bacterial

Research Areas:  

Infection

MreB Perturbing Compound A22 hydrochloride (A22 hydrochloride) is a reversible MreB inhibitor and antimicrobial agent that exhibits bacteriostatic activity against Escherichia coli, with low activity against Gram-positive bacteria. MreB Perturbing Compound A22 hydrochloride rapidly and reversally delocalizes MreB from the helical/circular structures in cells, impairs MreB function, and reduces the binding of MreB to the chromosomal region proximal to the replication origin. MreB Perturbing Compound A22 hydrochloride alters the cell morphology of caulobacters to round/lemon-shaped, slows caulobacter growth, blocks their cell division, and induces the formation of spherical morphology, asymmetric division, and anucleate cells in Escherichia coli. MreB Perturbing Compound A22 hydrochloride is used for studies related to bacterial rod-shaped morphology determination, chromosome segregation, and cell division mechanisms .
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Cat. No.: HY-121195
CAS No.: 63469-19-2
Synonyms: PC-904
Target:  

Bacterial

Research Areas:  

Infection

Apalcillin (PC-904) in combination with Ro 48-1220, a penam sulfone β-lactamase inhibitor, demonstrated broad-spectrum activity against gram-negative aerobic and anaerobic bacteria, excluding Klebsiella oxytoca. It exhibited potent activity against β-lactamase-producing Moraxella catarrhalis, Haemophilus influenzae, and Neisseria gonorrhoeae, with effective MICs (11 μg/mL). The combination also inhibited Pseudomonas aeruginosa, Stenotrophomonas maltophilia, and Acinetobacter species at low MICs (0.25 to 4 μg/mL). However, its efficacy against oxacillin-resistant staphylococci and certain gram-positive organisms was limited. Apalcillin/Ro 48-1220 showed comparable efficacy to piperacillin/tazobactam against some extended-spectrum β-lactamase-producing Escherichia coli but was less effective against SHV-type β-lactamases .
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Cat. No.: HY-126051
CAS No.: 1381782-08-6
Synonyms: (-)-Viriditoxin
Viriditoxin ((-)-Viriditoxin) is a mycotoxin . Viriditoxin promotes tubulin polymerization, and inhibits FtsZ polymerization and GTPase activity. Viriditoxin exhibits cytotoxicity against cancer cells, induces apoptosis, inhibits cell migration and colony formation, induces G2/M phase arrest, and triggers autophagic cell death. Viriditoxin activates caspase-3, cleaves PARP, promotes cytochrome c release, and induces ROS production. Viriditoxin possesses broad-spectrum antibacterial activity against Gram-positive pathogenic bacteria, fish pathogenic bacteria, and permeabilized Gram-negative bacteria. Viriditoxin can be used in research related to ovarian cancer, lung cancer, nasopharyngeal carcinoma, colon cancer, neuroblastoma, prostate cancer, leukemia, lymphoma, bacterial infections, and streptococcosis .
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Cat. No.: HY-178952
Target:  

Bacterial

Research Areas:  

Infection

Anti-infective agent 12 (Compound A09) is a competitive inhibitor of type I signal peptidease (SPase I), with an IC50 of 4.475 μM and a Kd of 16.3 μM. Anti-infective agent 12 has the ability to disrupt bacterial membranes and remove biofilms. Anti-infective agent 12 exhibits potent bactericidal activity against Gram-positive bacteria, with MIC values of 4, 4, 8, and 8 μg/mL for Staphylococcus aureus, Enterococcus faecalis, Enterococcus faecium, and Streptococcus suis, respectively. Anti-infective agent 12 remains effective against multi-drug resistant strains, but has weaker activity against Gram-negative bacteria (such as Escherichia coli and Salmonella), with MIC values > 64 μg/mL. Anti-infective agent 12 has low hemolytic activity and shows significant efficacy in mouse skin infection models .
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Cat. No.: HY-179038
CAS No.: 433702-41-1
Target:  

Bacterial

Research Areas:  

Infection

PYO12 is a 3-phenyl-4-phenoxypyrazole type antibacterial compound. PYO12 exhibits selective activity against Gram-positive bacteria with MIC for S. aureus, B. subtilis, S. pneumoniae, and MRSA of 1, 1, 1, and 4 μg/mL respectively. PYO12 has no activity against Gram-negative bacteria. PYO12 can significantly increase bacterial membrane permeability and significantly upregulate cell wall stress-related genes, possibly by binding to the C55-PP part of lipid II. PYO12 shows a concentration-dependent bactericidal effect, has low toxicity to mammalian cells, and does not cause hemolysis. PYO12 can be used to develop new antibiotics targeting bacterial cell wall synthesis .
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Cat. No.: HY-181107
Research Areas:  

Infection

DNA Gyrase/ribosomes-IN-1 is a bacterial ribosome and DNA gyrase inhibitor, with IC50 values of 1.11 μM and 3.31 μM, respectively. DNA Gyrase/ribosomes-IN-1 also inhibits CYP3A4, with an IC50 of 18.5 μM, and exhibits stability in mouse plasma and liver microsomes. DNA Gyrase/ribosomes-IN-1 inhibits bacterial protein synthesis by interacting with ribosomal RNA and associated sites. DNA Gyrase/ribosomes-IN-1 suppresses bacterial DNA replication by interacting with the gyrase complex. DNA Gyrase/ribosomes-IN-1 restores activity against macrolide-resistant, erm-mediated Gram-positive pathogens and enhances activity against Gram-negative bacteria such as Haemophilus influenzae and Moraxella catarrhalis. DNA Gyrase/ribosomes-IN-1 can be used in research on community-acquired bacterial pneumonia .
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Cat. No.: HY-N17440
CAS No.: 15127-94-3
2-Methoxyjuglone, a naphthoquinone, is an apoptosis inducer. 2-Methoxyjuglone activates caspase-9 and caspase-3 via the mitochondrial cytochrome c-dependent intrinsic apoptosis cascade. 2-Methoxyjuglone increases pro-apoptotic Bax levels, decreases anti-apoptotic Bcl-2 levels, and promotes mitochondrial cytochrome c release. 2-Methoxyjuglone induces apoptosis morphological features, early apoptosis, S-phase and G2/M-phase cell cycle arrest, and DNA double-strand breaks. 2-Methoxyjuglone exerts activity against Gram-positive bacteria, pathogenic fungi, and phytopathogenic fungi. 2-Methoxyjuglone can be used for the research of hepatocellular carcinoma, osteosarcoma, colon adenocarcinoma, breast cancer, fungal infection, bacterial infection .
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Cat. No.: HY-P11909
Research Areas:  

Infection

3-WP is a linear 20-peptide with a C-terminal amidation modification. 3-WP acts on lipoteichoic acid (LTA) and disrupts cell wall permeability, induces intracellular reactive oxygen species (ROS) accumulation in a dose-dependent manner, and simultaneously inhibits respiratory chain dehydrogenase activity and intracellular ATP synthesis, thereby interfering with bacterial energy metabolism and exerting Bacterial antibacterial effects. The combination of 3-WP and Melittin (HY-P0233) exerts synergistic antibacterial effects against Gram-positive bacteria, reduces the required dosage of Melittin, and thus improves the cell selectivity of Melittin. 3-WP can serve as a peptide adjuvant for Melittin in food storage scenarios. 3-WP can be used in the research of foodborne diseases caused by methicillin-resistant Staphylococcus aureus .
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Cat. No.: HY-P12127
CAS No.: 233273-63-7
Synonyms: BF2-B
Buforin IIb (BF2-B) is an anticancer peptide, as well as an Antibacterial and Antifungal agent. Buforin IIb is derived from histone H2A. Buforin IIb activates SAPK/JNK and p38 MAPK. Buforin IIb induces mitochondria-dependent Apoptosis . Buforin IIb achieves selective targeting by interacting with gangliosides on the surface of cancer cells, and can penetrate cancer cell membranes without causing damage. Buforin IIb exhibits antibacterial activity against Gram-negative bacteria, Gram-positive bacteria and fungi. Buforin IIb can be used in the research of cervical cancer, as well as cancers including leukemia, central nervous system cancer, ovarian cancer, breast cancer, melanoma, colon cancer, non-small cell lung cancer, renal cancer and prostate cancer .
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Cat. No.: HY-W101673R
CAS No.: 2416-95-7
Research Areas:  

Others

Dipropofol (Standard) is the analytical standard of Dipropofol. This product is intended for research and analytical applications. Dipropofol is a dimeric derivative of Propofol (HY-B0649) with antioxidant and antibacterial activities. Dipropofol terminates free radical chain reactions, scavenges DPPH free radicals and inhibits lipid peroxidation. Dipropofol protects cells from death induced by glutamate, Aβ(25-35) and buthionine sulfoximine, and increases the survival rate of mice exposed to oxygen. Dipropofol selectively activates tonic GABAA currents, hyperpolarizes resting membrane potential, reduces action potential firing, and alleviates the severity of seizures induced by Kainic acid. Dipropofol can be used in the research of Gram-positive bacterial infections, Alzheimer's disease, cerebral ischemia-related neuronal injury, oxygen toxicity and temporal lobe epilepsy .
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Cat. No.: HY-121362
CAS No.: 537-09-7
Purity:  99.71%
Evernic Acid is an orally active thioredoxin reductase 1 (TrxR1) inhibitor and antiproliferative agent. Evernic Acid inhibits the proliferation and migration of human breast cancer cells. Evernic Acid blocks the NF-κB pathway by inhibiting p65 nuclear translocation and IκBα phosphorylation, thereby suppressing downstream inflammatory mediators. Evernic Acid acts as an antioxidant, anti-inflammatory agent and neuroprotective agent, protects neurons from cell death, mitochondrial dysfunction and oxidative stress damage, reduces astrocyte activation, and ameliorates dopaminergic neuron loss and neuroinflammation. Evernic Acid inhibits enoyl reductases FabI and FabZ of Plasmodium falciparum. Evernic Acid downregulates the expression of lasB and rhlA genes in Pseudomonas aeruginosa, inhibits quorum sensing and biofilm formation, and exerts antibacterial activity against Gram-positive bacteria, Gram-negative bacteria and fungi. Evernic Acid is applicable to research related to breast cancer, Parkinson's disease, bacterial infections and fungal infections .
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Cat. No.: HY-12770R
CAS No.: 14367-47-6
Synonyms: Mebeverine metabolite Mebeverine alcohol (Standard)
Research Areas:  

Neurological Disease

Mebeverine alcohol (Standard) is an analytical standard for Mebeverine alcohol. This product is intended for research and analytical applications. Eperezolid (PNU-100592) is an orally active protein synthesis inhibitor that targets the bacterial 50S ribosomal subunit. Eperezolid competitively binds to a specific site on the ribosomal 50S subunit (overlapping with the binding sites of Chloramphenicol (HY-B0239) and Lincomycin (HY-117660)) to inhibit the translation initiation stage and exert antibacterial activity. Eperezolid can induce host cell autophagy to enhance the clearance of intracellular mycobacteria, and its MIC90 for Staphylococcus aureus and Enterococcus is 1-4 μg/mL. Eperezolid is mainly used for antibacterial research on infections with Gram-positive bacteria such as methicillin-resistant (HY-121544) Staphylococci and vancomycin-resistant (HY-B0671) Enterococci, as well as infections with intracellular bacteria such as Mycobacterium tuberculosis .
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Cat. No.: HY-B0396R
CAS No.: 161715-24-8
Synonyms: L084 (Standard)
Research Areas:  

Infection

Tebipenem pivoxil (Standard) (L084 (Standard)) is the analytical standard of Tebipenem pivoxil (HY-B0396). This product is intended for research and analytical applications. Tebipenem pivoxil (L084 hydrobromide) is an orally active carbapenem Antibiotic. Tebipenem pivoxil acts as a substrate of OATP1A2 with high affinity for this transporter (Km = 41.1 μM) . Tebipenem pivoxil achieves intestinal absorption via carrier-mediated uptake and simple diffusion. Tebipenem pivoxil inhibits the growth of Gram-positive bacteria, Gram-negative bacteria, multidrug-resistant bacteria, and pathogens producing extended-spectrum β-lactamases. Tebipenem pivoxil eliminates intestinal infection pathogens and reduces mortality in septic mice. Tebipenem pivoxil can be used in research related to bacterial pneumonia, severe gastrointestinal infections, bacterial sepsis, complicated urinary tract infections, and acute pyelonephritis .
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Cat. No.: HY-P12127A
Synonyms: BF2-B TFA
Buforin IIb TFA (BF2-B TFA) is an anticancer peptide, as well as an Antibacterial and Antifungal agent. Buforin IIb TFA is derived from histone H2A. Buforin IIb TFA activates SAPK/JNK and p38 MAPK. Buforin IIb TFA induces mitochondria-dependent Apoptosis . Buforin IIb TFA achieves selective targeting by interacting with gangliosides on the surface of cancer cells, and can penetrate cancer cell membranes without causing damage. Buforin IIb TFA exhibits antibacterial activity against Gram-negative bacteria, Gram-positive bacteria and fungi. Buforin IIb TFA can be used in the research of cervical cancer, as well as cancers including leukemia, central nervous system cancer, ovarian cancer, breast cancer, melanoma, colon cancer, non-small cell lung cancer, renal cancer and prostate cancer .
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Cat. No.: HY-118773R
CAS No.: 22816-60-0
Synonyms: A22 hydrochloride (Standard)
Research Areas:  

Infection

MreB Perturbing Compound A22 hydrochloride (Standard) is the analytical standard for MreB Perturbing Compound A22 hydrochloride (HY-118773). This product is intended for research and analytical applications. MreB Perturbing Compound A22 hydrochloride (A22 hydrochloride) is a reversible MreB inhibitor and antimicrobial agent that exhibits bacteriostatic activity against Escherichia coli, with low activity against Gram-positive bacteria. MreB Perturbing Compound A22 hydrochloride rapidly and reversally delocalizes MreB from the helical/circular structures in cells, impairs MreB function, and reduces the binding of MreB to the chromosomal region proximal to the replication origin. MreB Perturbing Compound A22 hydrochloride alters the cell morphology of caulobacters to round/lemon-shaped, slows caulobacter growth, blocks their cell division, and induces the formation of spherical morphology, asymmetric division, and anucleate cells in Escherichia coli. MreB Perturbing Compound A22 hydrochloride is used for studies related to bacterial rod-shaped morphology determination, chromosome segregation, and cell division mechanisms .
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Cat. No.: HY-164899
CAS No.: 2765091-45-8
Synonyms: 2-aminopyridine-3-carboxylic acid imidazolide
Target:  

DNA/RNA Synthesis

Research Areas:  

Infection

2A3 (2-aminopyridine-3-carboxylic acid imidazolide) is a covalent probe reagent for Selective 2'-Hydroxyl Acylation analyzed by Primer Extension (SHAPE) that targets the RNA ribose 2'-OH group. 2A3 efficiently permeates the biological membranes of Gram-negative bacteria, Gram-positive bacteria, and mammalian cells. 2A3 exhibits no base bias and specifically labels conformationally flexible, unpaired regions within RNA. 2A3 forms covalent adducts by acylating the 2'-OH groups of flexible RNA residues. When combined with SHAPE-MaP (mutational profiling) sequencing technology, these modification sites are converted into detectable mutational signals, thereby accurately reflecting local RNA backbone flexibility and base-pairing status. 2A3 is primarily utilized in molecular biology and transcriptomics research, including the resolution of RNA structuromes in living cells, the study of RNA folding regulatory mechanisms, and the investigation of non-coding RNA functions .
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Cat. No.: HY-N19735
CAS No.: 144678-18-2
MS-347a is an inhibitor of myosin light chain kinase (MLCK) and protein kinase C (PKC), with IC50 values of 9.2 μM, 31 μM and 16 μM against calmodulin-dependent MLCK, calmodulin-independent MLCK and PKC, respectively. MS-347a binds to the catalytic domain of MLCK and blocks both calmodulin-dependent and calmodulin-independent MLCK activity. MS-347a inhibits the growth of drug-sensitive fission yeast and multiple ascomycete phytopathogenic fungi. MS-347a exhibits fungicidal activity against a variety of phytopathogenic fungi and protective activity against Magnaporthe oryzae in rice seedlings. MS-347a shows antibacterial activity against specific Gram-positive bacteria and Proteus vulgaris. MS-347a can be used in studies related to rice blast, bacterial infections and phytopathogenic fungal diseases .
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Cat. No.: HY-N7101S
Synonyms: U-76-d7,252-d7; CS-807-d7
Cefpodoxime proxetil-d7 (U-76-d7,252-d7; CS-807-d7) is the deuterium labeled Cefpodoxime Proxetil (HY-N7101). Cefpodoxime Proxetil is an orally active broad spectrum third-generation cephalosporin with potent antibacterial activity against both Gram-positive and Gram-negative bacteria including staphylococci, streptococci, Haemophilus influenzae, Neisseria gonorrhoeae, Escherichia coli, Klebsiella pnuemoniae, Citrobacter spp, and Proteus spp. Cefpodoxime Proxetil binds to penicillin binding proteins (PBPs), which inhibits peptidoglycan synthesis, finally results in interfering bacterial cell wall biosynthesis. Cefpodoxime Proxetil can be used against skin structure infections, acute otitis media, pharyngitis, tonsillitis, upper respiratory tract infection, urinary tract infections and sexually transmitted diseases .
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Cat. No.: HY-W014316R
CAS No.: 30007-47-7
Research Areas:  

Infection

5-Bromo-5-nitro-1,3-dioxane (Standard) is the analytical standard of 5-Bromo-5-nitro-1,3-dioxane (HY-W014316). This product is intended for research and analytical applications. 5-Bromo-5-nitro-1,3-dioxane is a broad-spectrum antimicrobial agent active against Gram-positive bacteria, Gram-negative bacteria and fungi. 5-Bromo-5-nitro-1,3-dioxane oxidizes free thiol groups to their corresponding disulfides. 5-Bromo-5-nitro-1,3-dioxane induces intracellular substance leakage in Escherichia coli and Staphylococcus aureus. 5-Bromo-5-nitro-1,3-dioxane modulates the oxygen consumption of Escherichia coli and Staphylococcus aureus .
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