نتایج جستجو برای: hydrazide
تعداد نتایج: 1486 فیلتر نتایج به سال:
Synthetic biomaterials can be used as instructive biological milieus to guide cellular behaviour and function. To further realize this application, we synthesized a series of structurally similar hydrogels and tested their ability to modulate angiogenesis. Hydrogels were synthesized from poly(DTE-co-x% DT carbonate) crosslinked by y% poly(ethylene glycol) (PEG). Hydrogel desaminotyrosyl tyrosin...
Aims: To demonstrate the efficacy of several small molecular weight compounds having hydrazide groups, for inhibiting the growth of Mycobacterium tuberculosis. To show these same compounds have favorable drug-likeness properties. Study Design: To synthesize tuberculostats and test their antibacterial activity in-vitro. Place and Duration of Study: University of Nebraska, Durham Science Center, ...
New site-specific protein labeling (SSPL) reactions for targeting-specific, short peptides could be useful for the real-time detection of proteins inside of living cells. One SSPL approach matches bioorthogonal reagents with complementary peptides. Here, hydrazide reactive peptides were selected from phage-displayed libraries using reaction-based selections. Selection conditions included washes...
This study reports the anti-yeast effect of the 4-methoxybenzoic acid hydrazide (pmbah), 4-chlorobenzoic acid hydrazide (pcbah) and their Pt(II) complexes: cis- [PtL2X2] and cis- [PtL(NH3)Cl2] where L is either pcbah or pmbah and X is Cl, Br or I. MICs of the 4- substituted analogues (20,000-625 microM) are much lower than those of the previously reported benzoic acid hydrazide and 3-methoxyben...
Methyl 3,4,5-trihydroxybenzoate (methyl gallate) was synthesized from 3,4,5-trihydroxybenzoic acid (gallic acid) by reaction with methanol in presence of sulphuric acid. gallate then reacted hydrazine monohydrate to give 3,4,5-trihydroxybenzohydrazide (galloyl hydrazide). The structure methyl and galloyl hydrazide characterized Fourier transforms infrared (FTIR) spectroscopy, mass spectrometry ...
A convenient synthesis of (S)-proline hydrazide 2a via the reaction of ethyl (S)-N-benzylprolinate with hydrazine hydrate and subsequent deprotection of (S)-N-benzyl proline hydrazide 5 is described. The latter, in methanolic solution, reacted with aromatic aldehydes as well as with cycloaliphatic ketones at room temperature to give the corresponding hydrazones of type 7 in good yields. The str...
In the present study, oligo(ethylene glycol) (OEG)-linked alkanethiols were synthesized which carry a vicinal diol on one end of the OEG chain. After self-assembled monolayer (SAM) formation on gold, the vicinal diols were converted into aldehyde functions by exposure to aqueous NaIO4, as previously used for SAMs with OEG chains buried in the center of the SAM [Jang et al. Nano Lett. 2003, 3, 6...
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