Man-Zhou Zhu's research while affiliated with Anhui University and other places
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Publications (21)
We develop a novel coumarin-alkyne derivative (NC7-AL), which can specifically react with Au3+ and give a colorimetric and fluorescent “turn-on” response towards Au3+. Notably, other alkynophilic metal species such as Au+, Ag+, Pd2+, Ni2+, Cu2+, and Hg2+ do not produce an interfering signal. A good linear relationship between emission intensity at...
An efficient and simple method for the preparation of 3,3',5,5'-tetra-tert- butyl-4,4'-diphenoquinone (TBDPQ) is reported using Lewis Acid as an effective catalyst in the presence of molecular oxygen from 2,6-di-tert-butylphenol (DBP). The present methodology offers several advantages, such as excellent yields, accessible and inexpensive catalysts,...
1,3-Dipolar cycloaddition of DTE-azomethine ylides (DTE: dithienyl-ethene) to C60 in refluxed toluene was used to synthesize novel dumbbell-type fullerene dimer 1. For the sake of comparison, the monoadduct 2 were also synthesized. The molecular geometries of these two compounds were determined by theoretical calculations with HF-3/21G method. UV-V...
Two series monotailed porphyrins, Cobalt-5-{4-[ω-(1-adamantaneamino) alkyloxy]phenyl}-10,15,20-triphenyl porphyrinate (CoPCnA, n=4,5,6) and Nickel-5-{4-[ω-(1-adamantaneamino)alkyloxy]phenyl}-10,15,20-triphenyl porphyrinate (NiPCnA, n=4,5,6), were synthesized, in which the porphyrin moiety was connected to 1-adamantanamine via a flexible hydrocarbon...
A dicationic ionic liquid C6(mim)2−HSO4 was synthesized and used as the catalyst for bio-oil upgrading through the esterificartion reaction of organic acids and ethanol at room temperature. The reaction system turned into two layers when the reaction was complete. No coke and deactivation on the catalyst were observed. The yield of upgraded oil was...
A novel fluorescent chemosensor 1 for imaging labile Cu2+ in living biological samples was designed and synthesized; it exhibits very strong fluorescence responses to Cu2+, and its LSM images strongly support the existence of Cu2+ in HEGP-2 cell.
A β-cyclodextrin dimer tethered by photoswitchable dithienylethene moieties was synthesized as a potentially tunable receptor. The dimer exhibits pronounced photochromic properties. Irradiation of the dimer in open form with UV light at 254 nm resulted in immediate photocyclization to the pink closed form; the colorless open form could be regenerat...
A series of fluorescent chemosensors 1-3 were synthesized to detect transition metal ions. At the room temperature, fluorescence intensities of these chemosensors in acetonitrile without transition metal ions were found to be very weak, due to the process of the efficient intramolecular photoinduced electron transfer (PET). However, after addition...
Two highly sensitive (detection limits ∼20nM) and selective (selectivity >30) fluorescent chemosensors were developed for detecting Hg2+ in a fully aqueous environment by using the rarely-studied carbamodithioate to create an Hg2+ binding site.
A number of naphthalene derivatives containing adamantanamine binding moiety and an (CH2)
n
(n=2, 3, 4, 5, 6) spacer were prepared as the electron donor. A supramolecular assembly was fabricated by the inclusion between the donor substrates and the host molecules, i.e., mono-6-O-p-nitrobenzoyl-β-cyclodextrin (pNBCD) and mono-6-O-m-nitrobenzoyl-β-cy...
Two fluorosensor systems have been designed and synthesized with their photophysical properties and fluorescence responses toward the transition metal ions studied. The fluorosensor was composed of 1,8-naphthalimide and 4-chloro-1,8-naphthalimide as fluorophore respectively, an amino moiety as the receptor and a hydrocarbon chain as the spacer to l...
Two novel fluorescent Zn2+ chemosensors were synthesized in four steps from inexpensive starting materials. They exhibited very strong fluorescence responses to Zn2+ and had remarkably high selectivity to Zn2+ than other metal ions including Mg2+, Ca2+, Ni2+, Cu2+, and Cd2+. These two new molecules could be used as low-priced yet high-quality Zn2+...
A novel supramolecular fluorescence switch system consisted of a perfect host/electron-acceptor mono-6-p-nitrobenzoyl-β-cyclodextrin (p-NBCD) and an ideal guest/electron-donor (adamantane-C4-porphyrin) was reported. The ‘ON’ and ‘OFF’ states of fluorescence switch were droved by solvent polarity.
Mono-6-O-m-nitrobenzoyl-β-cyclodextrin (mNBCD) was synthesized as a novel supramolecular electron acceptor. Both the theoretical and experimental analyses suggested that mNBCD should possess a self-inclusion conformation. Fluorescence quenching experiments revealed efficient photoinduced electron transfers (PET) between mNBCD and naphthalene compou...
A number of naphthalene donor compounds that possess an adamantanamine binding moiety and an (OCH2CH2)n (n=1, 2, 3, 4, 6, 8) spacer were synthesized. The fluorescence quenching between these donor substrates and mono-6-O-p-nitrobenzoyl-β-cyclodextrin (pNBCD) and mono-6-O-m-nitrobenzoyl-β-cyclodextrin (mNBCD) was studied in detail. It was found that...
A series of monotailed porphyrins, zinc 5-{4-[ω-(1-adamantaneamino)alkyloxy]phenyl}-10,15,20-triphenyl porphyrinate (ZnPCnA, n = 4, 5, 6), were synthesized in which the porphyrin moiety was connected to 1-adamantanamine via a flexible hydrocarbon chain. It was found that photoinduced electron transfer could occur between these porphyrin compounds a...
A series of cationic lipids were designed and synthesized as vectors for gene delivery. The lipids contain a ketal moiety as a linker and a cholesteryl group as a hydrophobic tail. The framework of cholesteryl derivatives could increase the stability of liposomes by stabilizing the bilayers and their complexes with DNA to improve the transfection e...
The interactions of β-cyclodextrin (β-CD) with N-phenylphenothiazine (1), N-benzylphenothiazine (2) and N-phenethylphenothiazine (3) were studied by cyclic voltammetry. In aqueous solutions, increasing the amount of β-CD caused negative shifts in the anodic peaks and an increase in the current of the 1/1
+• and 3/3
+• couples owing to the fact that...
Photoinduced electron transfer was studied in a supramolecular complex assembled by an electron-donating substrate (N-(1-naphthylacetyl)-1-adamantanamine (1)) and an electron-accepting receptor (p-nitrobenzoyl-ß-cyclodextrin (NBCD)), which was stabilized by hydrophobic interactions in water/methanol (9 : 1) binary solvents. Fluorescence quenching r...
ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Some novel neutral and cationic lipids bearing cholesteryl groups were synthesized. These lipids contain ketal units as linker bonds which should be easily biodegradable in cells.
Citations
... Traditionally, Au 3+ is detected by inductively-coupled plasma mass spectroscopy (ICP-MS), atomic absorption spectroscopy (AAS), fluorescence spectroscopy, atomic fluorescence microscopy (AFS), and ultraviolet-visible (UV-vis) spectroscopy [12][13][14][15][16]. Although these analytical techniques provide high sensitivity, they suffer from deficiencies such as requiring expensive and sophisticated instrumentation, complex and time-consuming sample preparation steps, and it is difficult to recycle Au 3+ . ...
![[object Object]](https://i1.rgstatic.net/ii/profile.image/826523108007938-1574069873889_Q64/Wenjuan-Wang-13.jpg)
... Therefore, the ketal linkage has been incorporated into some non-viral vectors (such as, polymers and lipids) to mediate gene delivery [202,203]. Zhu et al. [204] reported the synthesis of cationic and neutral lipids containing ketal bonds. They suggested that the ketal bond could easy to break up due to the acidic environment inside of cells, leading to lower toxicity. ...
... Similar work was also reported by Jun et al. [43] and Kim et al. [44]. Guo and co-workers attached some chelator groups to the benzene moiety of decarboxylated fluorescein [45,46]. ...
... Formation of inclusion complex of oxidized dopamine (SA) and b-CD of mono-6-amino-b-CD (NH 2 -b-CD) functionalized gold nanoclusters (b-CD-AuNC) which subsequently quenched b-CD-AuNC emission (65). Encapsulation of donor; naphthalene derivatives containing adamantanamine (donor) into the host and acceptor cavity (CD) enhanced PET between the inclusion complex due to bimolecular collision reactions and a static quenching component due to hydrophobic binding between the donor and acceptor molecules as reported by Hu et al. (66) Similarly, Mono-6-O-m-nitrobenzoyl-b-CD (mNBCD) was utilized as an electron acceptor from naphthalene compounds in a PET system (67). In another research, PET from encapsulated excited donor moieties into the cavity of octa acid host to the free ground-state acceptor moieties across was reported (68), whereas Guo et al. reported PET between porphyrin and a guest CDincluded viologen complex (69). ...
... 48,49 Cleavable linkers such as pH-sensitive, redox-reactive, and enzymatically degradable groups have also been introduced into cationic lipids for optimal properties. [50][51][52][53] Several cases of liposome-based gene therapy have advanced to the clinical stage. In a phase I study, DC-Chol/DOPE cationic liposomes were employed to deliver the human HLA-A2, HLA-B13, and the murine H-2K genes to patients with different cancer types. ...
... Thus, in the porphyrin-CD complexes obtained by Kuroda et al. [28] and Lang et al. [29], electron transfer was discovered. A similar process was found in complexes of adamantaneamine-modified porphyrins with mono-6-p-nitrobenzoyl-β-cyclodextrin [30]. Detailed steady-state and time-resolved fluorescence measurements revealed two pathways for electron transfer: dynamic quenching occurring between free donors and free acceptors in solution, and static quenching between donors and acceptors bound in a supramolecular complex. ...
... The product's quality increased as a result of dilution and upgrading [62]. In order to increase the stability of bio-oil and make hydrogenation easier, raw biooil was pretreated using esterification in varying concentrations of methanol [63]. ...
![[object Object]](https://i1.rgstatic.net/ii/profile.image/301815565438986-1448969846765_Q64/Yao-Fu-47.jpg)
... Natural β-CD could quench rhodamine B, however, bipyridine-bridged β-CD has a great effect in increasing its fluorescence strength (Liu et al., 2001c). Hu et al. (2007) synthesized a series of light-controlled β-CD dimmers, which forms 1:1 host-guest inclusion complex with tetrasodium pyrophosphate (TSPP), which results in the fluorescence quenching of TSPP. Wang et al. (1992Wang et al. ( , 1994 investigated the modification of β-CD by dansyl group and its fluorescence effect in aqueous media. ...
... Previously (17), we demonstrated, in relation with spiropyrans, that the use of mixed fullerene and photochrome layers or hybrid molecules based on these compounds not only simplifies the OFET fabrication but also markedly enhances their performance characteristics in comparison with the devices in which the semiconductor and photoswitch were applied separately. The absence of published data on OFETs fabricated using hybrid molecules based on fullerene and diaryl(hetaryl)ethenes is probably due to the facts that the chemical binding of these compounds usually decreases the efficiency of photoisomerization or gives hybrid molecules devoid of photochromic properties (18)(19)(20)(21)(22). The introduction of a phenylethynyl or porphyrin spacer between the fullerene and dithienylethene molecules affords hybrid compounds in which the dithienylethene moiety efficiently undergoes reversible photoisomerization (23,24). ...
... Supramolecular-assisted PET was also reported from the excited entrapped naphthalene in the b-CD cavity to the hostlinked p-nitrobenzoyl group, which can be interrupted in the presence of 1-adamantane or polar solvent such as methanol (Fig. 4) (56). The later host was also used in other reports for enhancing PET either from excited zinc porphyrin (57) or from excited Coand/or Ni-porphyrin (58) À both linked to 1-adamantane À to the p-nitrobenzoyl moiety due to encapsulation of adamantane by b-CD (57,58). PET in hemicarcerand-encapsulated azulene chromophore (donor) was bound to the surface of metal oxide nanoparticle (acceptor) (59). ...
