20 research outputs found
Development of molecularly imprinted polymer membranes with specificity to triazine herbicides, prepared by the "surface photografting" technique
Β«Surface photograftingΒ» of polypropylene (PPy) microporous membranes by molecularly imprinted polymers selective to triazine herbicides has been carried out by the UV irradiation-initiated co-polymerization of the functional monomer (2-acrylamido-2-methyl-1-propane sulphonic acid) and a cross-linker (N,N?-methylene-bis-acrylamide) in the presence of the template (terbumeton) onto photoinitiator (benzophenone)-coated samples. The grafting reaction occurs in a thin liquid layer on the membrane substrate, which is pre-soaked in a dimethyl formamide solution containing template, functional monomer and cross-linker. After irradiation with a 500 W mercury lamp for 10 min at room temperature, the membranes covered with the layer of imprinted polymer were obtained. The recognition sites complementary to terbumeton were formed in the membranes after extraction of the template molecules with methanol. Alternatively, reference polymeric membranes were prepared with the same monomer composition, but without the template. The membranes' recognition properties were estimated by their capability to herbicide adsorption from its aqueous solution. The membranes modified by the mixture of monomers containing terbumeton showed significantly higher adsorption capability to this herbicide than to analogous compounds (terbuthylazine, atrazine, desmetryn, metribuzine). The effect of the polymer composition on the binding properties of the membranes has been investigated. High affinity of these membranes to triazine herbicides together with their inexpensive preparation, provide a good basis for applications of molecularly imprinted polymer membranes in separation and solid-phase extraction.Π‘ΠΈΠ½ΡΠ΅Π·ΠΎΠ²Π°Π½ΠΎ Π½ΠΎΠ²ΠΈΠΉ ΡΠΈΠΏ ΠΌΠ°ΡΡΠΈΡΠ½ΠΈΡ
ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠ½ΠΈΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ ΡΠ»ΡΒΡ
ΠΎΠΌ ΠΏΠΎΠ²Π΅ΡΡ
Π½Π΅Π²ΠΎΡ ΠΌΠΎΠ΄ΠΈΡΡΠΊΠ°ΡΡΡ ΠΌΡΠΊΡΠΎΡΡΠ»ΡΡΡΠ°ΡΡΠΉΠ½ΠΈΡ
ΠΏΠΎΠ»ΡΠΏΡΠΎΠΏΡΒ Π»Π΅Π½ΠΎΠ²ΠΈΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½, ΡΠΊΠ° ΠΏΠΎΠ»ΡΠ³Π°Π»Π° Π² Π½Π°Π½Π΅ΡΠ΅Π½Π½Ρ Π½Π° ΠΏΠΎΠ²Π΅ΡΡ
Π½Ρ ΡΠΎΠ½ΠΊΠΎΠ³ΠΎ ΡΠ°ΡΡ ΠΌΠ°ΡΡΠΈΡΠ½ΠΎΠ³ΠΎ ΠΏΠΎΠ»ΡΠΌΠ΅ΡΡ, ΡΠ΅Π»Π΅ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ Π΄ΠΎ ΡΡΠΈΠ°Π·ΠΈΠ½ΠΎΠ²ΠΎΠ³ΠΎ Π³Π΅ΡΠ±ΡΡΠΈΠ΄Ρ ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½Ρ. ΠΠ°ΡΡΠΈΡΠ½Ρ ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠΈΠ·Π°ΡΡΡ Π·Π΄ΡΠΉΡΠ½ΡΠ²Π°Π»ΠΈ Π² Π΄ΠΈΠΌΠ΅ΡΠΈΠ»ΡΠΎΡΠΌΠ°ΠΌΡΠ΄Ρ, Π²ΠΈΠΊΠΎΡΠΈΡΡΠΎΠ²ΡΡΡΠΈ Π³Π΅ΡΠ±ΡΡΠΈΠ΄ ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½ ΡΠΊ ΠΌΠ°ΡΡΠΈΡΡ, 2-Π°ΠΊΡΠΈΠ»Π°ΠΌΡΠ΄ΠΎ-2-ΠΌΠ΅ΡΠΈΠ»-1-ΠΏΡΠΎΠΏΠ°Π½-ΡΡΠ»ΡΡΠΎΠ½ΠΎΠ²Ρ Π ΠΌΠ΅ΡΠ°ΠΊΡΠΈΠ»ΠΎΠ²Ρ Π Π°ΠΊΡΠΈΠ»ΠΎΠ²Ρ ΠΊΠΈΡΠ»ΠΎΡΡ ΡΠΊ ΡΡΠ½ΠΊΡΡΠΎΠ½Π°Π»ΡΠ½ΠΈΠΉ ΠΌΠΎΠ½ΠΎΠΌΠ΅Ρ Ρ N ,N' -ΠΌΠ΅ΡΠΈΠ»Π΅Π½-Π±ΡΡΠ°ΠΊΡΠΈΠ»Π°ΠΌΡΠ΄ ΡΠΊ Π·ΡΠΈΠ²Π°Π»ΡΠ½ΠΈΠΉ Π°Π³Π΅Π½Ρ Π½Π° ΠΏΠΎΠ²Π΅ΡΡ
Π½Ρ ΠΌΡΠΊΡΠΎΡΡΠ»ΡΡΡΠ°ΡΡΠΉΠ½ΠΎΡ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ΠΈ, ΠΏΠΎΠΊΡΠΈΡΠΎΡ ΡΠΎΠ½ΠΊΠΈΠΌ ΡΠ°ΒΡΠΎΠΌ ΡΠΎΡΠΎΡΠ½ΡΡΡΠΈΡΠΎΡΠ° Π±Π΅Π½Π·ΠΎΡΠ΅Π½ΠΎΠ½Ρ. ΠΠΊΡΡΡΠ°ΠΊΡΡΡ ΠΌΠ°ΡΡΠΈΡΠ½ΠΈΡ
ΠΌΠΎΒΠ»Π΅ΠΊΡΠ» ΡΠΏΡΠΈΡΠΈΠ½ΡΠ²Π°Π»Π° ΡΠΎΡΠΌΡΠ²Π°Π½Π½Ρ Π² ΡΡΡΡΠΊΡΡΡΡ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ΠΈ ΡΠ°ΠΉΒΡΡΠ², ΡΠΊΡ Π·Π° ΡΠΎΡΠΌΠΎΡ ΡΠ° ΠΏΡΠΎΠ΅ΠΏΡΡΠΎΠ²ΠΈΠΌ ΡΠΎΠ·ΡΠ°ΡΡΠ²Π°Π½Π½ΡΠΌ ΡΡΠ½ΠΊΒΡΡΠΎΠ½Π°Π»ΡΠ½ΠΈΡ
Π³ΡΡΠΏ Π±ΡΠ»ΠΈ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΌΠ΅Π½ΡΠ°ΡΠ½ΠΈΠΌΠΈ ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½Ρ. ΠΠΎΠ½ΡΒΡΠΎΠ»ΡΠ½Ρ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ΠΈ ΠΌΠΎΠ΄ΠΈΡΡΠΊΡΠ²Π°Π»ΠΈ Π· Π²ΠΈΠΊΠΎΡΠΈΡΡΠ°Π½Π½ΡΠΌ ΠΏΠΎΠ΄ΡΠ±Π½ΠΎΡ ΡΡΒΠΌΡΡΡ ΠΌΠΎΠ½ΠΎΠΌΠ΅ΡΡΠ², ΡΠΎ Π½Π΅ ΠΌΡΡΡΠΈΠ»Π° ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½Ρ. ΠΠ΄Π°ΡΠ½ΡΡΡΡ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ Π΄ΠΎ ΡΠ΅Π»Π΅ΠΊΡΠΈΠ²Π½ΠΎΡ Π°Π΄ΡΠΎΡΠ±ΡΡΡ ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½Ρ Π΄ΠΎΡΠ»ΡΠ΄ΠΆΠ΅Π½ΠΎ Π² Π·Π°Π»Π΅ΠΆΠ½ΠΎΡΡΡ Π²ΡΠ΄ ΡΠΈΠΏΡ ΡΠ° ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΡΡ ΡΡΠ½ΠΊΡΡΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΌΠΎΠ½ΠΎΒΠΌΠ΅ΡΠ°, Π° ΡΠ°ΠΊΠΎΠΆ Π²ΡΠ΄ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΡΡ Π·ΡΠΈΠ²Π°Π»ΡΠ½ΠΎΠ³ΠΎ Π°Π³Π΅Π½ΡΠ° Π² ΠΌΠΎΠ½ΠΎΠΌΠ΅ΡΠ½ΡΠΉ ΡΡΠΌΡΡΡ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΠΎ ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½-ΡΠΌΠΏΡΠΈΠ½ΡΠΎΠ²Π°Π½Ρ ΠΌΠ°ΡΒΡΠΈΡΠ½Ρ ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠ½Ρ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ΠΈ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·ΡΡΡΡΡΡ Π²ΠΈΡΠΎΠΊΠΎΡ ΡΠ΅Π»Π΅ΠΊΒΡΠΈΠ²Π½ΡΡΡΡ ΡΡΠΎΡΠΎΠ²Π½ΠΎ ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½Ρ ΡΠ° Π·Π΄Π°ΡΠ½ΡΡΡΡ Π΄ΠΎ Π½Π΅Π·Π½Π°ΡΠ½ΠΎΡ Π°Π΄ΡΠΎΡΠ±ΡΡΡ ΠΉΠΎΠ³ΠΎ ΡΡΡΡΠΊΡΡΡΠ½ΠΈΡ
Π°Π½Π°Π»ΠΎΠ³ΡΠ² β ΡΠ΅ΡΡΠ±ΡΡΠΈΠ»Π°Π·ΠΈΠ½Ρ, Π°ΡΡΠ°Π·ΠΈΠ½Ρ, Π΄Π΅ΡΠΌΠ΅ΡΡΠΈΠ½Ρ Ρ ΠΌΠ΅ΡΡΠΈΠ±ΡΠ·ΠΈΠ½Ρ. Π’Π°ΠΊΡ Π²Π»Π°ΡΡΠΈΠ²ΠΎΡΡΡ ΡΠΈΠ½ΡΠ΅Π·ΠΎΒΠ²Π°Π½ΠΈΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ Π·Π°Π±Π΅Π·ΠΏΠ΅ΡΡΡΡΡ ΡΡ
Π½Ρ Π΅ΡΠ΅ΠΊΡΠΈΠ²Π½Π΅ Π²ΠΈΠΊΠΎΡΠΈΡΡΠ°Π½Π½Ρ Ρ ΡΠ²Π΅ΡΠ΄ΠΎΡΠ°Π·ΠΎΠ²ΡΠΉ Π΅ΠΊΡΡΡΠ°ΠΊΡΡΡ.Π‘ΠΈΠ½ΡΠ΅Π·ΠΈΡΠΎΠ²Π°Π½ Π½ΠΎΠ²ΡΠΉ ΡΠΈΠΏ ΠΌΠ°ΡΡΠΈΡΠ½ΡΡ
ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠ½ΡΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠ½ΠΎΠΉ ΠΌΠΎΠ΄ΠΈΡΠΈΠΊΠ°ΡΠΈΠΈ ΠΌΠΈΠΊΡΠΎΡΠΈΠ»ΡΡΡΠ°ΡΠΈΠΎΠ½Π½ΡΡ
ΠΏΠΎΠ»ΠΈΠΏΡΠΎΠΏΠΈΠ»Π΅Π½ΠΎΠ²ΡΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½, Π·Π°ΠΊΠ»ΡΡΠ°ΡΡΠ΅ΠΌΡΡ Π² Π½Π°Π½Π΅ΡΠ΅Π½ΠΈΠΈ Π½Π° ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΡ ΡΠΎΠ½ΠΊΠΎΠ³ΠΎ ΡΠ»ΠΎΡ ΠΌΠ°ΡΡΠΈΡΠ½ΠΎΠ³ΠΎ ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠ°, ΡΠ΅Π»Π΅ΠΊΡΠΈΠ²Π½ΠΎΒΠ³ΠΎ ΠΊ ΡΡΠΈΠ°Π·ΠΈΠ½ΠΎΠ²ΠΎΠΌΡ Π³Π΅ΡΠ±ΠΈΡΠΈΠ΄Ρ ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½Ρ. ΠΠ°ΡΡΠΈΡΠ½ΡΡ ΠΏΠΎΠ»ΠΈΒΠΌΠ΅ΡΠΈΠ·Π°ΡΠΈΡ ΠΏΡΠΎΠ²ΠΎΠ΄ΠΈΠ»ΠΈ Π² Π΄ΠΈΠΌΠ΅ΡΠΈΠ»ΡΠΎΡΠΌΠ°ΠΌΠΈΠ΄Π΅ Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΡΡΠΈΠ°Π·ΠΈΠ½ΠΎΠ²ΠΎΠ³ΠΎ Π³Π΅ΡΠ±ΠΈΡΠΈΠ΄Π° ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½Π° Π² ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΠΌΠ°ΡΡΠΈΡΡ, 2-Π°ΠΊΡΠΈΠ»Π°ΠΌΠΈΠ΄ΠΎ-2-ΠΌΠ΅ΡΠΈΠ»-1-ΠΏΡΠΎΠΏΠ°Π½-ΡΡΠ»ΡΡΠΎΠ½ΠΎΠ²ΠΎΠΉΡ ΠΌΠ΅ΡΠ°ΠΊΡΠΈΠ»ΠΎΠ²ΠΎΠΉ Π°ΠΊΡΠΈΠ»ΠΎΠ²ΠΎΠΉ ΠΊΠΈΡΠ»ΠΎΡΡ ΠΊΠ°ΠΊ ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΌΠΎΠ½ΠΎΠΌΠ΅ΡΠ° ΠΈ N,N'-ΠΌΠ΅ΡΠΈΠ»Π΅Π½-Π±ΠΈ ΡΠ°ΠΊ ΡΠΈΠ»Π°ΠΌ ΠΈΠ΄Π° ΠΊΠ°ΠΊ ΡΡΠΈΠ²Π°ΡΡΠ΅Π³ΠΎ Π°Π³Π΅Π½ΠΏΡ Π½Π° ΠΏΠΎΠ²Π΅ΡΡ
Π½ΠΎΡΡΠΈ ΠΌΠΈΠΊΡΠΎΡΠΈΠ»ΡΡΡΠ°ΡΠΈΠΎΠ½Π½ΠΎΠΉ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½Ρ, ΠΏΠΎΠΊΡΡΡΠΎΠΉ ΡΠΎΠ½ΠΊΠΈΠΌ ΡΠ»ΠΎΠ΅ΠΌ ΡΠΎΡΠΎΠΈΠ½ΠΈΠΈΡΡΡΡΠ° Π±Π΅Π½Π·ΠΎΡΠ΅Π½ΠΎΠ½Π°. ΠΠΊΡΡΡΠ°ΠΊΡΠΈΡ ΠΌΠ°ΡΡΠΈΡΠ½ΡΡ
ΠΌΠΎΠ»Π΅ΒΠΊΡΠ» ΠΏΡΠΈΠ²ΠΎΠ΄ΠΈΠ»Π° ΠΊ ΡΠΎΡΠΌΠΈΡΠΎΠ²Π°Π½ΠΈΡ Π² ΡΡΡΡΠΊΡΡΡΠ΅ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½Ρ ΡΠ°ΠΉΒΡΠΎΠ², ΠΊΠΎΠΌΠΏΠ»Π΅ΠΌΠ΅Π½ΡΠ°ΡΠ½ΡΡ
ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½Ρ ΠΏΠΎ ΡΠΎΡΠΌΠ΅ ΠΈ ΠΏΡΠΎΡΡΡΠ°Π½ΒΡΡΠ²Π΅Π½Π½ΠΎΠΌΡ ΡΠ°ΡΠΏΠΎΠ»ΠΎΠΆΠ΅Π½ΠΈΡ ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΡΡ
Π³ΡΡΠΏΠΏ. ΠΠΎΠ½ΡΡΠΎΠ»ΡΒ Π½ΡΠ΅ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½Ρ ΡΠΈΠ½ΡΠ΅Π·ΠΎΡΠΎΠ²Π°Π»ΠΈ Ρ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ΠΌ ΡΠΎΠΉ ΠΆΠ΅ ΠΌΠΎΠ½ΠΎΒΠΌΠ΅ΡΠ½ΠΎΠΉ ΡΠΌΠ΅ΡΠΈ Π² ΠΎΡΡΡΡΡΡΠ²ΠΈΠ΅ ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½Π°. Π‘ΠΏΠΎΡΠΎΠ±Π½ΠΎΡΡΡ ΠΌΠ΅ΠΌΒ Π±ΡΠ°Π½ ΠΊ ΡΠ΅Π»Π΅ΠΊΡΠΈΠ²Π½ΠΎΠΉ Π°Π΄ΡΠΎΡΠ±ΡΠΈΠΈ ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½Π° ΠΈΡΡΠ»Π΅Π΄ΠΎΠ²Π°Π»ΠΈ Π² Π·Π°Π²ΠΈΡΠΈΠΌΠΎΡΡΠΈ ΠΎΡ ΡΠΈΠΏΠ° ΠΈ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ ΡΡΠ½ΠΊΡΠΈΠΎΠ½Π°Π»ΡΠ½ΠΎΠ³ΠΎ ΠΌΠΎΠ½ΠΎΒΠΌΠ΅ΡΠ°, Π° ΡΠ°ΠΊΠΆΠ΅ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ ΡΡΠΈΠ²Π°ΡΡΠ΅Π³ΠΎ Π°Π³Π΅Π½ΡΠ°, Π² ΠΌΠΎΠ½ΠΎΠΌΠ΅ΡΒΠ½ΠΎΠΉ ΡΠΌΠ΅ΡΠΈ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½-ΠΈΠΌΠΏΡΠΈΠ½ΡΠΈΡΠΎΠ²Π°Π½Π½ΡΠ΅ ΠΌΠ°ΡΡΠΈΡΠ½ΡΠ΅ ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠ½ΡΠ΅ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½Ρ Ρ
Π°ΡΠ°ΠΊΡΠ΅ΡΠΈΠ·ΡΡΡΡΡ Π²ΡΡΠΎΠΊΠΎΠΉ ΡΠ΅Π»Π΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΡΡ ΠΊ ΡΠ΅ΡΠ±ΡΠΌΠ΅ΡΠΎΠ½Ρ ΠΈ Π΄Π΅ΠΌΠΎΠ½ΡΡΡΠΈΡΡΡΡ Π½Π΅Π·Π½Π°ΡΠΈΡΠ΅Π»ΡΠ½ΡΡ Π°Π΄ΡΠΎΡΠ±ΡΠΈΡ Π΅Π³ΠΎ ΡΡΡΡΠΊΡΡΡΠ½ΠΈΡ
Π°Π½Π°Π»ΠΎΠ³ΠΎΠ² β ΡΠ΅ΡΡΠ±ΡΡΠΈΠ»Π°Π·ΠΈΠ½Π°, Π°ΡΡΠ°Π·ΠΈΠ½Π°, Π΄Π΅ΡΠΌΠ΅ΡΡΠΈΠ½Π° ΠΈ ΠΌΠ΅ΡΡΠΈΠ±ΡΠ·ΠΈΠ½Π°. Π’Π°ΠΊΠΈΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° ΡΠΈΠ½ΡΠ΅Π·ΠΎΠ²Π°Π½Π½ΡΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠΈΠ²Π°ΡΡ Π²ΠΎΠ·ΠΌΠΎΠΆΠ½ΠΎΡΡΡ ΠΈΡ
ΡΡΒΡΠ΅ΠΊΡΠΈΠ²Π½ΠΎΠ³ΠΎ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΡ Π² ΡΠ²Π΅ΡΠ΄ΠΎΡΠ°Π·Π½ΠΎΠΉ ΡΠΊΡΡΡΠ°ΠΊΡΠΈΠΈ
Synthesis of biologically active molecules by imprinting polymerisation
Highly cross-linked molecularly imprinted polymers (MIPs) are synthetic materials with properties mimicking those of natural receptors. Here we describe an ability of MIP nanoparticles to manifest biological activity. Molecularly imprinted polymers were synthesised by co-polymerisation of urocanic acid, N,Nβ-bisacryloyl piperazine in the presence of herbicide binding D1 protein, ground and separated from the template by washing and ultrafiltration. It was demonstrated that MIP nanoparticles retained affinity to the template. Moreover, imprinted polymers were able to activate chloroplast photosystem II in in vitro experiments. This provides the first example of the use of imprinted polymers for the attenuation of a biological system and opens new possibilities for their application in pharmacology, biotechnology and medicine.ΠΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΠΎ-ΠΈΠΌΠΏΡΠΈΠ½ΡΠΈΡΠΎΠ²Π°Π½Π½ΡΠ΅ ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΡ (ΠΠΠ) ΠΏΡΠ΅Π΄ΡΡΠ°Π²Β Π»ΡΡΡ ΡΠΎΠ±ΠΎΠΉ ΡΠ΅ΡΡΠ°ΡΡΠ΅ ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΡ Ρ Π²ΡΡΠΎΠΊΠΎΠΉ ΡΡΠ΅ΠΏΠ΅Π½ΡΡ ΡΡΠΈΠ²Π°Β Π½ΠΈΡ, ΠΈΠΌΠΈΡΠΈΡΡΡΡΠΈΠ΅ Π±ΠΈΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ΅ΡΠ΅ΠΏΡΠΎΡΡ. Π Π΄Π°Π½Π½ΠΎΠΉ ΡΠ°Π±ΠΎΡΠ΅ Π²ΠΏΠ΅ΡΠ²ΡΠ΅ ΠΏΡΠΎΠ΄Π΅ΠΌΠΎΠ½ΡΡΡΠΈΡΠΎΠ²Π°Π½Π° Π±ΠΈΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠ°Ρ Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΌΠ°ΡΒΡΠΈΡΠ½ΠΈΡ
ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠ½ΡΡ
Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΡ. ΠΠΠ ΠΏΠΎΠ»ΡΡΠ΅Π½Ρ Π²ΡΠ»Π΅Π΄ΡΡΠ²ΠΈΠ΅ ΡΠΎΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠΈΠ·Π°ΡΠΈΠΈ ΡΡΠΎΠΊΠ°Π½ΠΎΠ²ΠΎΠΉ ΠΊΠΈΡΠ»ΠΎΡΡ ΠΈ N,N'-Π±ΠΈΡΠ°ΠΊΡΠΈΠ»ΠΎΠΈΠ» ΠΏΠΈΠΏΠ΅ΡΠ°Π·ΠΈΠ½Π° Π² ΠΏΡΠΈΡΡΡΡΡΠ²ΠΈΠΈ Π³Π΅ΡΠ±ΠΈΡΠΈΠ΄-ΡΠ²ΡΠ·ΡΠ²Π°ΡΡΠ΅Π³ΠΎ Π±Π΅Π»ΠΊΠ° Π1 ΠΊΠ°ΠΊ ΠΌΠ°ΡΡΠΈΡΠ½ΠΎΠΉ ΠΌΠΎΠ»Π΅ΠΊΡΠ»Ρ. ΠΠ°Π»Π΅Π΅ ΠΈΡ
ΠΈΠ·ΠΌΠ΅Π»ΡΡΠ°Π»ΠΈ ΠΈ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΡΠ»ΡΡΡΠ°ΡΠΈΠ»ΡΡΡΠ°ΡΠΈΠΈ Π²ΡΠ΄Π΅Π»ΡΠ»ΠΈ ΡΡΠ°ΠΊΡΠΈΡ ΠΌΠ°ΡΡΠΈΡΠ½ΡΡ
ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΒΠ½ΡΡ
Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΡ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΡΠ°ΠΊΠΈΠ΅ ΡΠ°ΡΡΠΈΡΡ ΠΎΠ±Π»Π°Π΄Π°Π»ΠΈ Π°ΡΡΠΈΠ½Π½ΠΎΡΡΡΡ ΠΊ ΠΌΠ°ΡΡΠΈΡΠ½ΡΠΌ ΠΌΠΎΠ»Π΅ΠΊΡΠ»Π°ΠΌ, Π° ΡΠ°ΠΊΠΆΠ΅ ΡΠΏΠΎΡΠΎΠ±Π½ΠΎΒ ΡΡΡΡ Π°ΠΊΡΠΈΠ²ΠΈΡΠΎΠ²Π°ΡΡ ΡΠΎΡΠΎΡΠΈΡΡΠ΅ΠΌΡ II Ρ
Π»ΠΎΡΠΎΠΏΠ»Π°ΡΡΠΎΠ² Π² ΡΠΊΡΠΏΠ΅ΡΠΈΒΠΌΠ΅Π½ΡΠ°Ρ
in vitro. ΠΠΎΠ΄ΠΎΠ±Π½ΡΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° ΠΌΠ°ΡΡΠΈΡΠ½ΠΈΡ
ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠ½ΡΡ
Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΡ ΠΎΡΠΊΡΡΠ²Π°ΡΡ ΡΠΈΡΠΎΠΊΠΈΠ΅ ΠΏΠ΅ΡΡΠΏΠ΅ΠΊΡΠΈΠ²Ρ ΠΈΡ
ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Β Π½ΠΈΡ Π² ΡΠ°ΡΠΌΠ°ΠΊΠΎΠ»ΠΎΠ³ΠΈΠΈ, Π±ΠΈΠΎΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ ΠΈ ΠΌΠ΅Π΄ΠΈΡΠΈΠ½Π΅.ΠΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΠΎ-ΡΠΌΠΏΡΠΈΠ½ΡΠΎΠ²Π°Π½Ρ ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠΈ (ΠΠΠ) Ρ ΡΡΡΡΠ°ΡΡΠΈΠΌΠΈ ΠΏΠΎΒ Π»ΡΠΌΠ΅ΡΠ°ΠΌΠΈ Π· Π²ΠΈΡΠΎΠΊΠΈΠΌ ΡΡΡΠΏΠ΅Π½Π΅ΠΌ Π·ΠΈΡΠΈΠ²Π°Π½Π½Ρ, ΡΠΊΡ ΡΠΌΡΡΡΡΡΡ Π±ΡΠΎΒΠ»ΠΎΠ³ΡΡΠ½Ρ ΡΠ΅ΡΠ΅ΠΏΡΠΎΡΠΈ. Π Π΄Π°Π½ΡΠΉ ΡΠΎΠ±ΠΎΡΡ Π²ΠΏΠ΅ΡΡΠ΅ ΠΏΡΠΎΠ΄Π΅ΠΌΠΎΠ½ΡΡΡΠΎΠ²Π°Π½ΠΎ Π±ΡΠΎΠ»ΠΎΠ³ΡΡΠ½Ρ Π°ΠΊΡΠΈΠ²Π½ΡΡΡΡ ΠΌΠ°ΡΡΠΈΡΠ½ΠΈΡ
ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠ½ΠΈΡ
Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΠ½ΠΎΠΊ. ΠΠΠ ΠΎΡΡΠΈΠΌΠ°Π½ΠΎ Π²Π½Π°ΡΠ»ΡΠ΄ΠΎΠΊ ΡΠΏΡΠ²ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠΈΠ·Π°ΡΡΡ ΡΡΠΎΠΊΠ°Π½ΠΎΠ²ΠΎΡ ΠΊΠΈΡΠ»ΠΎΡΠΈ ΡΠ° NyN'-Π±ΡΡΠ°ΠΊΡΠΈΠ»ΠΎΡΠ»ΠΏΡΠΏΠ΅ΡΠ°Π·ΠΈΠ½Ρ Π·Π° ΠΏΡΠΈΡΡΡΠ½ΠΎΡΡΡ Π³Π΅ΡΠ±ΡΡΠΈΠ΄-Π·Π²'ΡΠ·ΡΠ²Π°Π»ΡΠ½ΠΎΠ³ΠΎ Π±ΡΠ»ΠΊΠ° Π1 ΡΠΊ ΠΌΠ°ΡΡΠΈΡΠ½ΠΎΡ ΠΌΠΎΠ»Π΅ΠΊΡΠ»ΠΈ. ΠΠ°Π»Ρ ΠΉΠΎΠ³ΠΎ ΠΏΠΎΠ΄Β ΡΡΠ±Π½ΡΠ²Π°Π»ΠΈ Ρ Π·Π° Π΄ΠΎΠΏΠΎΠΌΠΎΠ³ΠΎΡ ΡΠ»ΡΡΡΠ°ΡΡΠ»ΡΡΡΠ°ΡΡΡ Π²ΠΈΠ΄ΡΠ»ΡΠ»ΠΈ ΡΡΠ°ΠΊΡΡΡ ΠΌΠ°ΡΡΠΈΡΠ½ΠΈΡ
ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠ½ΠΈΡ
Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΠ½ΠΎΠΊ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΠΎ ΡΠ°ΠΊΡ ΡΠ°ΡΒ ΡΠΈΠ½ΠΊΠΈ ΠΌΠ°Π»ΠΈ Π°ΡΡΠ½Π½ΡΡΡΡ Π΄ΠΎ ΠΌΠ°ΡΡΠΈΡΠ½ΠΈΡ
ΠΌΠΎΠ»Π΅ΠΊΡΠ», Π° ΡΠ°ΠΊΠΎΠΆ Π·Π΄Π°ΡΠ½ΡΡΡΡ Π°ΠΊΡΠΈΠ²ΡΠ²Π°ΡΠΈ ΡΠΎΡΠΎΡΠΈΡΡΠ΅ΠΌΡ II Ρ
Π»ΠΎΡΠΎΠΏΠ»Π°ΡΡΡΠ² Π² Π΅ΠΊΡΠΏΠ΅ΒΡΠΈΠΌΠ΅Π½ΡΠ°Ρ
in vitro. ΠΠΎΠ΄ΡΠ±Π½Ρ Π²Π»Π°ΡΡΠΈΠ²ΠΎΡΡΡ ΠΌΠ°ΡΡΠΈΡΠ½ΠΈΡ
ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠ½ΠΈΡ
Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΠ½ΠΎΠΊ Π²ΡΠ΄ΠΊΡΠΈΠ²Π°ΡΡΡ ΡΠΈΡΠΎΠΊΡ ΠΏΠ΅ΡΡΠΏΠ΅ΠΊΡΠΈΠ²Ρ ΡΡ
Π½ΡΠΎΠ³ΠΎ Π²ΠΈΠΊΠΎΡΠΈΒΡΡΠ°Π½Π½Ρ Π² ΡΠ°ΡΠΌΠ°ΠΊΠΎΠ»ΠΎΠ³ΡΡ, Π±ΡΠΎΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΡΡ ΡΠ° ΠΌΠ΅Π΄ΠΈΡΠΈΠ½Ρ
Colorimetric biomimetic sensor systems based on molecularly imprinted polymer membranes for highly-selective detection of phenol in environmental samples
Aim. Development of an easy-to-use colorimetric sensor system for fast and accurate detection of phenol in envi- ronmental samples. Methods. Technique of molecular imprinting, method of in situ polymerization of molecularly imprinted polymer membranes. Results. The proposed sensor is based on free-standing molecularly imprinted polymer (MIP) membranes, synthesized by in situ polymerization, and having in their structure artificial binding sites capable of selective phenol recognition. The quantitative detection of phenol, selectively adsorbed by the MIP membranes, is based on its reaction with 4-aminoantipyrine, which gives a pink-colored product. The intensity of staining of the MIP membrane is proportional to phenol concentration in the analyzed sample. Phenol can be detected within the range 50 nM–10 mM with limit of detection 50 nM, which corresponds to the concentrations that have to be detected in natural and waste waters in accordance with environmental protection standards. Stability of the MIP-membrane-based sensors was assessed during 12 months storage at room temperature. Conclusions. The sensor system provides highly-selective and sensitive detection of phenol in both mo- del and real (drinking, natural, and waste) water samples. As compared to traditional methods of phenol detection, the proposed system is characterized by simplicity of operation and can be used in non-laboratory conditions.ΠΠ΅ΡΠ°. Π ΠΎΠ·ΡΠΎΠ±ΠΊΠ° ΠΏΡΠΎΡΡΠΈΡ
Ρ Π²ΠΈΠΊΠΎΡΠΈΡΡΠ°Π½Π½Ρ ΠΊΠΎΠ»ΠΎΡΠΈΠΌΠ΅ΡΡΠΈΡΠ½ΠΈΡ
ΡΠ΅Π½ΡΠΎΡΠ½ΠΈΡ
ΡΠΈΡΡΠ΅ΠΌ Π΄Π»Ρ ΡΠ²ΠΈΠ΄ΠΊΠΎΠ³ΠΎ Ρ ΡΠΎΡΠ½ΠΎΠ³ΠΎ Π²ΠΈΠ·Π½Π°ΡΠ΅Π½Π½Ρ ΡΠ΅Π½ΠΎΠ»Ρ Ρ Π·ΡΠ°Π·ΠΊΠ°Ρ
ΡΠ· Π΄ΠΎΠ²ΠΊΡΠ»Π»Ρ. ΠΠ΅ΡΠΎΠ΄ΠΈ. ΠΠ΅ΡΠΎΠ΄ ΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΠΎΠ³ΠΎ ΡΠΌΠΏΡΠΈΠ½ΡΠΈΠ½Π³Ρ, ΠΌΠ΅ΡΠΎΠ΄ ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠΈΠ·Π°ΡΡΡ in situ ΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΠΎ ΡΠΌΠΏΡΠΈΠ½ΡΠΎΠ²Π°Π½ΠΈΡ
ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠ½ΠΈΡ
(ΠΠΠ) ΠΌΠ΅ΠΌΠ±ΡΠ°Π½. Π Π΅Π·ΡΠ»ΡΡΠ°ΡΠΈ. ΠΠ°ΠΏΡΠΎΠΏΠΎΠ½ΠΎΠ²Π°Π½ΠΈΠΉ ΡΠ΅Π½ΡΠΎΡ ΡΡΠ²ΠΎΡΠ΅Π½ΠΎ Π½Π° ΠΎΡΠ½ΠΎΠ²Ρ ΠΠΠ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½, ΡΠΈΠ½ΡΠ΅Π·ΠΎΠ²Π°Π½ΠΈΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠΈΠ·Π°ΡΡΡ in situ, ΡΠΊΡ ΠΌΠ°ΡΡΡ Ρ ΡΠ²ΠΎΡΠΉ ΡΡΡΡΠΊΡΡΡΡ ΡΡΡΡΠ½Ρ ΡΠ΅ΡΠ΅ΠΏΡΠΎΡΠ½Ρ ΡΠ°ΠΉΡΠΈ Π·Π²βΡΠ·ΡΠ²Π°Π½Π½Ρ ΡΠ΅Π½ΠΎΠ»Ρ. ΠΡΠ»ΡΠΊΡΡΠ½Π΅ Π²ΠΈΠ·Π½Π°ΡΠ΅Π½Π½Ρ ΡΠ΅Π½ΠΎΠ»Ρ, ΡΠ΅Π»Π΅ΠΊΡΠΈΠ²Π½ΠΎ Π°Π΄ΡΠΎΡΠ±ΠΎΠ²Π°Π½ΠΎΠ³ΠΎ ΠΠΠ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½Π°ΠΌΠΈ, Π³ΡΡΠ½ΡΡΡΡΡΡΡ Π½Π° Π΄Π΅ΡΠ΅ΠΊΡΡΡ Π·Π°Π±Π°ΡΠ²Π»Π΅Π½ΠΎΠ³ΠΎ Ρ ΠΌΠ°Π»ΠΈΠ½ΠΎΠ²ΠΈΠΉ ΠΊΠΎΠ»ΡΡ ΠΏΡΠΎΠ΄ΡΠΊΡΡ ΠΉΠΎΠ³ΠΎ ΡΠ΅Π°ΠΊΡΡΡ Π· 4-Π°ΠΌΡΠ½ΠΎΠ°Π½ΡΠΈΠΏΡΡΠΈΠ½ΠΎΠΌ. ΠΠ½ΡΠ΅Π½ΡΠΈΠ²Π½ΡΡΡΡ Π·Π°Π±Π°ΡΠ²Π»Π΅Π½Π½Ρ ΠΠΠ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ Ρ ΠΏΡΠΎΠΏΠΎΡΡΡΠΉΠ½ΠΎΡ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΡΡ ΡΠ΅Π½ΠΎΠ»Ρ Π² Π°Π½Π°Π»ΡΠ·ΠΎΠ²Π°Π½ΠΎΠΌΡ Π·ΡΠ°Π·ΠΊΡ. Π€Π΅Π½ΠΎΠ» Π΄Π΅ΡΠ΅ΠΊΡΡΡΡΡΡΡ Ρ Π΄ΡΠ°ΠΏΠ°Π·ΠΎΠ½Ρ 50 Π½Π–10 ΠΌΠ, ΡΠΎ Π²ΡΠ΄ΠΏΠΎΠ²ΡΠ΄Π°Ρ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΡΡΠΌ, ΡΠΊΡ Π½Π΅ΠΎΠ±Ρ
ΡΠ΄Π½ΠΎ Π²ΠΈΡΠ²Π»ΡΡΠΈ Ρ ΠΏΡΠΈΡΠΎΠ΄Π½ΠΈΡ
Ρ ΡΡΡΡΠ½ΠΈΡ
Π²ΠΎΠ΄Π°Ρ
. Π‘ΡΠ°Π±ΡΠ»ΡΠ½ΡΡΡΡ ΡΠ΅Π½ΡΠΎΡΠ½ΠΈΡ
ΡΠΈΡΡΠ΅ΠΌ Π½Π° ΠΎΡΠ½ΠΎΠ²Ρ ΠΠΠ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ ΡΡΠ°Π½ΠΎΠ²ΠΈΡΡ12 ΠΌΡΡΡΡΡΠ² Π·Π° ΠΊΡΠΌΠ½Π°ΡΠ½ΠΎΡ ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠΈ. ΠΠΈΡΠ½ΠΎΠ²ΠΊΠΈ. Π‘Π΅Π½ΡΠΎΡΠ½Ρ ΡΠΈΡΡΠ΅ΠΌΠΈ Π·Π°Π±Π΅Π·ΠΏΠ΅ΡΡΡΡΡ Π²ΠΈΡΠΎΠΊΠΎΡΠ΅Π»Π΅ΠΊΡΠΈΠ²Π½ΠΈΠΉ Ρ ΡΡΡΠ»ΠΈΠ²ΠΈΠΉ Π°Π½Π°Π»ΡΠ· ΡΠ΅Π½ΠΎΠ»Ρ ΡΠΊ Ρ ΠΌΠΎΠ΄Π΅Π»ΡΠ½ΠΈΡ
, ΡΠ°ΠΊ Ρ ΡΠ΅Π°Π»ΡΠ½ΠΈΡ
Π·ΡΠ°Π·ΠΊΠ°Ρ
(ΠΏΠΈΡΠ½Π°, ΠΏΡΠΈΡΠΎΠ΄Π½Π°, ΡΡΡΡΠ½Π° Π²ΠΎΠ΄Π°). ΠΠΎΡΡΠ²Π½ΡΠ½ΠΎ Π΄ΠΎ ΡΡΠ°Π΄ΠΈΡΡΠΉΠ½ΠΈΡ
ΠΌΠ΅ΡΠΎΠ΄ΡΠ² Π²ΠΈΠ·Π½Π°ΡΠ΅Π½Π½Ρ ΡΠ΅Π½ΠΎΠ»Ρ ΠΏΡΠΎΠΏΠΎΠ½ΠΎΠ²Π°Π½Π° ΡΠΈΡΡΠ΅ΠΌΠ° Ρ ΠΏΡΠΎΡΡΠΎΡ Ρ Π²ΠΈΠΊΠΎΡΠΈΡΡΠ°Π½Π½Ρ ΡΠ° ΠΌΠΎΠΆΠ΅ Π±ΡΡΠΈ Π·Π°ΡΡΠΎΡΠΎΠ²Π°Π½Π° Π·Π° ΠΏΠΎΠ»ΡΠΎΠ²ΠΈΡ
ΡΠΌΠΎΠ².Π¦Π΅Π»Ρ. Π Π°Π·ΡΠ°Π±ΠΎΡΠΊΠ° ΠΏΡΠΎΡΡΡΡ
Π² ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠΈ ΠΊΠΎΠ»ΠΎΡΠΈΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΡΠ΅Π½ΡΠΎΡΠ½ΡΡ
ΡΠΈΡΡΠ΅ΠΌ Π΄Π»Ρ Π±ΡΡΡΡΠΎΠ³ΠΎ ΠΈ ΡΠΎΡΠ½ΠΎΠ³ΠΎ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠ΅Π½ΠΎΠ»Π° Π² ΠΎΠ±ΡΠ°Π·ΡΠ°Ρ
ΠΈΠ· ΠΎΠΊΡΡΠΆΠ°ΡΡΠ΅ΠΉ ΡΡΠ΅Π΄Ρ. ΠΠ΅ΡΠΎΠ΄Ρ. ΠΠ΅ΡΠΎΠ΄ ΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΠΎΠ³ΠΎ ΠΈΠΌΠΏΡΠΈΠ½ΡΠΈΠ½Π³Π°, ΠΌΠ΅ΡΠΎΠ΄ ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠΈΠ·Π°ΡΠΈΠΈ in situ ΠΌΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΠΎ ΠΈΠΌΠΏΡΠΈΠ½ΡΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠ½ΡΡ
(ΠΠΠ) ΠΌΠ΅ΠΌΠ±ΡΠ°Π½. Π Π΅Π·ΡΠ»ΡΡΠ°ΡΡ. ΠΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½ΡΠΉ ΡΠ΅Π½ΡΠΎΡ ΡΠΎΠ·Π΄Π°Π½ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΠΠΠ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½, ΡΠΈΠ½ΡΠ΅Π·ΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
ΠΌΠ΅ΡΠΎΠ΄ΠΎΠΌ ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠΈΠ·Π°ΡΠΈΠΈ in situ, ΠΈΠΌΠ΅ΡΡΠΈΡ
Π² ΡΠ²ΠΎΠ΅ΠΉ ΡΡΡΡΠΊΡΡΡΠ΅ ΡΠΈΠ½ΡΠ΅ΡΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ΅ΡΠ΅ΠΏΡΠΎΡΠ½ΡΠ΅ ΡΠ°ΠΉΡΡ ΡΠ²ΡΠ·ΡΠ²Π°Π½ΠΈΡ ΡΠ΅Π½ΠΎΠ»Π°. ΠΠΎΠ»ΠΈΡΠ΅ΡΡΠ²Π΅Π½Π½ΠΎΠ΅ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΠ΅ ΡΠ΅Π½ΠΎΠ»Π°, ΡΠ΅Π»Π΅ΠΊΡΠΈΠ²Π½ΠΎ Π°Π΄ΡΠΎΡΠ±ΠΈΡΠΎΠ²Π°Π½Π½ΠΎΠ³ΠΎ ΠΠΠ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½Π°ΠΌΠΈ, ΠΎΡΠ½ΠΎΠ²Π°Π½ΠΎ Π½Π° Π΄Π΅ΡΠ΅ΠΊΡΠΈΠΈ ΠΎΠΊΡΠ°ΡΠ΅Π½Π½ΠΎΠ³ΠΎ Π² ΠΌΠ°Π»ΠΈΠ½ΠΎΠ²ΡΠΉ ΡΠ²Π΅Ρ ΠΏΡΠΎΠ΄ΡΠΊΡΠ° Π΅Π³ΠΎ ΡΠ΅Π°ΠΊΡΠΈΠΈ Ρ 4-Π°ΠΌΠΈΠ½ΠΎΠ°Π½ΡΠΈΠΏΠΈΡΠΈΠ½ΠΎΠΌ. ΠΠ½ΡΠ΅Π½ΡΠΈΠ²Π½ΠΎΡΡΡ ΠΎΠΊΡΠ°ΡΠΈΠ²Π°Π½ΠΈΡ ΠΠΠ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ ΠΏΡΠΎΠΏΠΎΡΡΠΈΠΎΠ½Π°Π»ΡΠ½Π° ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΠΈ ΡΠ΅Π½ΠΎΠ»Π° Π² Π°Π½Π°Π»ΠΈΠ·ΠΈΡΡΠ΅ΠΌΠΎΠΌ ΠΎΠ±ΡΠ°Π·ΡΠ΅. Π€Π΅Π½ΠΎΠ» ΠΌΠΎΠΆΠ½ΠΎ Π΄Π΅ΡΠ΅ΠΊΡΠΈΡΠΎΠ²Π°ΡΡ Π² ΠΏΡΠ΅Π΄Π΅Π»Π°Ρ
50 Π½Π–10 ΠΌΠ, ΡΡΠΎ ΡΠΎΠΎΡΠ²Π΅ΡΡΡΠ²ΡΠ΅Ρ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠ°ΡΠΈΡΠΌ, ΠΊΠΎΡΠΎΡΡΠ΅ Π½Π΅ΠΎΠ±Ρ
ΠΎΠ΄ΠΈΠΌΠΎ Π²ΡΡΠ²Π»ΡΡΡ Π² ΠΏΡΠΈΡΠΎΠ΄Π½ΡΡ
ΠΈ ΡΡΠΎΡΠ½ΡΡ
Π²ΠΎΠ΄Π°Ρ
. Π‘ΡΠ°Π±ΠΈΠ»ΡΠ½ΠΎΡΡΡ ΡΠ΅Π½ΡΠΎΡΠ½ΡΡ
ΡΠΈΡΡΠ΅ΠΌ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΠΠΠ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ ΡΠΎΡΡΠ°Π²Π»ΡΠ΅Ρ 12 ΠΌΠ΅ΡΡΡΠ΅Π² ΠΏΡΠΈ ΠΊΠΎΠΌΠ½Π°ΡΠ½ΠΎΠΉ ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ΅. ΠΡΠ²ΠΎΠ΄Ρ. Π‘Π΅Π½ΡΠΎΡΠ½ΡΠ΅ ΡΠΈΡΡΠ΅ΠΌΡ ΠΎΠ±Π΅ΡΠΏΠ΅ΡΠΈΠ²Π°ΡΡ Π²ΡΡΠΎΠΊΠΎΡΠ΅Π»Π΅ΠΊΡΠΈΠ²Π½ΡΠΉ ΠΈ ΡΡΠ²ΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΡΠΉ Π°Π½Π°Π»ΠΈΠ· ΡΠ΅Π½ΠΎΠ»Π° ΠΊΠ°ΠΊ Π² ΠΌΠΎΠ΄Π΅Π»ΡΠ½ΡΡ
, ΡΠ°ΠΊ ΠΈ ΡΠ΅Π°Π»ΡΠ½ΡΡ
ΠΎΠ±ΡΠ°Π·ΡΠ°Ρ
(ΠΏΠΈΡΡΠ΅Π²Π°Ρ, ΠΏΡΠΈΡΠΎΠ΄Π½Π°Ρ ΠΈ ΡΡΠΎΡΠ½Π°Ρ Π²ΠΎΠ΄Π°). ΠΠΎ ΡΡΠ°Π²Π½Π΅Π½ΠΈΡ Ρ ΡΡΠ°Π΄ΠΈΡΠΈΠΎΠ½Π½ΡΠΌΠΈ ΠΌΠ΅ΡΠΎΠ΄Π°ΠΌΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠ΅Π½ΠΎΠ»Π° ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Π½Π°Ρ ΡΠΈΡΡΠ΅ΠΌΠ° ΠΏΡΠΎΡΡΠ° Π² ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠΈ ΠΈ ΠΌΠΎΠΆΠ΅Ρ ΠΏΡΠΈΠΌΠ΅Π½ΡΡΡΡΡ Π² ΠΏΠΎΠ»Π΅Π²ΡΡ
ΡΡΠ»ΠΎΠ²ΠΈΡΡ
Biosensors based on conductometric detection
The present paper is a self-review on the development of about 20 conductometric biosensors based on planar electrodes and containing different biological material (enzymes, cells, antibodies), bio-mimics or synthetic membranes, including Imprinting polymers, as a sensitive element. Highly specific, sensitive, simple, fast and cheap determination of different analytes makes them promising for needs of medicine, biotechnology, environmental control, agriculture and food industry. Non-specific interference of back-ground ions may be overcome by the differential mode of measurement, the usage of rather concentrated sample buffer and additional negatively or positively charged membranes, which decrease buffer capacity influence and extend a dynamic range of sensors response. For development of easy-to-use small conductometric immunosensors several approaches seem to be promising: i) the usage of polyaniline as electroconductive label for antibodies detection in competitive electroimmunoassay; ii) the elaboration of multilayer structures with phtalocyanine films; iii) the usage of acrylic copolymeric membranes. The advantages and disadvantages of conductometric biosensors created are discussed. For future commercialisation our effort are aimed to unite a thin-film technology with membranes deposition and to find the ways of membrane stabilisation, including bio-mimics creation, utilisation of bioaffinity polymeric membranes, imprinting polymers etc.ΠΠ³Π»ΡΠ΄ ΠΏΡΠΈΡΠ²ΡΡΠ΅Π½ΠΎ Π°Π½Π°Π»ΡΠ·Ρ Π²Π»Π°ΡΠ½ΠΈΡ
ΡΠΎΠ±ΡΡ Π· ΡΠΎΠ·ΡΠΎΠ±ΠΊΠΈ Π±Π»ΠΈΠ·ΡΠΊΠΎ 20 ΠΊΠΎΠ½Π΄ΡΠΊΡΠΎΠΌΠ΅ΡΡΠΈΡΠ½ΠΈΡ
Π±ΡΠΎΡΠ΅Π½ΡΠΎΡΡΠ² Π½Π° ΠΎΡΠ½ΠΎΠ²Ρ ΠΏΠ»Π°Π½Π°ΡΠ½ΠΈΡ
Π΅Π»Π΅ΠΊΡΡΠΎΠ΄ΡΠ² ΡΠ° ΡΡΠ·Π½ΠΎΠΌΠ°Π½ΡΡΠ½ΠΎΠ³ΠΎ Π±ΡΠΎΠ»ΠΎΠ³ΡΡΠ½ΠΎΠ³ΠΎ ΠΌΠ°ΡΠ΅ΡΡΠ°Π»Ρ (ΡΠ΅ΡΠΌΠ΅Π½ΡΠΈ, ΠΊΠ»ΡΡΠΈΠ½ΠΈ, Π°Π½ΡΠΈΡΡΠ»Π°), ΡΠΈΠ½ΡΠ΅ΡΠΈΡΠ½ΠΈΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ ΡΠΊ ΡΡΡΠ»ΠΈΠ²ΠΈΡ
Π΅Π»Π΅ΠΌΠ΅Π½ΡΡΠ². ΠΠΈΡΠΎΠΊΠ° ΡΠ΅Π»Π΅ΠΊΡΠΈΠ²Π½ΡΡΡΡ, ΡΡΡΠ»ΠΈΠ²ΡΡΡΡ, Π½ΠΈΠ·ΡΠΊΠ° ΡΡΠ½Π°, ΠΏΡΠΎΡΡΠΎΡΠ° ΡΠ° Π΅ΠΊΡΠΏΡΠ΅ΡΠ½ΡΡΡΡ Π²ΠΈΠ·Π½Π°ΡΠ΅Π½Π½Ρ ΡΡΠ·Π½ΠΎΠΌΠ°Π½ΡΡΠ½ΠΈΡ
ΡΠ΅ΡΠΎΠ²ΠΈΠ½ ΡΠΎΠ±Π»ΡΡΡ Π±ΡΠΎΡΠ΅Π½ΡΠΎΡΠΈ Π½Π΅ΠΎΠ±Ρ
ΡΠ΄Π½ΠΈΠΌΠΈ Π΄Π»Ρ ΠΏΠΎΡΡΠ΅Π± ΠΌΠ΅Π΄ΠΈΡΠΈΠ½ΠΈ, Π±ΡΠΎΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΡΡ, Π΅ΠΊΠΎΠ»ΠΎΠ³ΠΈ, ΡΡΠ»ΡΡΡΠΊΠΎΠ³ΠΎ Π³ΠΎΡΠΏΠΎΠ΄Π°ΡΡΡΠ²Π° ΡΠ° Ρ
Π°ΡΡΠΎΠ²ΠΎΡ ΠΏΡΠΎΠΌΠΈΡΠ»ΠΎΠ²ΠΎΡΡΡ. ΠΡΠΈ Π°Π½Π°Π»ΡΠ·Ρ ΡΠ΅Π°Π»ΡΠ½ΠΈΡ
Π·ΡΠ°Π·ΠΊΡΠ² Π½Π΅ΡΠΏΠ΅ΡΠΈΡΡΡΠ½ΠΈΠΉ Π²ΠΏΠ»ΠΈΠ² ΡΠΎΠ½ΠΎΠ²ΠΈΡ
Π΅Π»Π΅ΠΊΡΡΠΎΠ»ΡΡΡΠ² ΠΌΠΎΠΆΠ½Π° ΡΡΡΡΡΠ²ΠΎ Π·ΠΌΠ΅Π½ΡΠΈΡΠΈ Π·Π°Π²Π΄ΡΠΊΠΈ Π²ΠΈΠΊΠΎΡΠΈΡΡΠ°Π½Π½Ρ Π΄ΠΈΡΠ΅ΡΠ΅Π½ΡΡΠΉΠ½ΠΎΠ³ΠΎ ΡΠ΅ΠΆΠΈΠΌΡ Π²ΠΈΠΌΡΡΡΠ²Π°Π½Ρ, Π±ΡΠ»ΡΡ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠΎΠ²Π°Π½ΠΈΡ
Π±ΡΡΠ΅ΡΠ½ΠΈΡ
ΡΠΎΠ·ΡΠΈΠ½ΡΠ², Π° ΡΠ°ΠΊΠΎΠΆ Π΄ΠΎΠ΄Π°ΡΠΊΠΎΠ²ΠΈΡ
Π½Π΅Π³Π°ΡΠΈΠ²Π½ΠΎ ΡΠΈ ΠΏΠΎΠ·ΠΈΡΠΈΠ²Π½ΠΎ Π·Π°ΡΡΠ΄ΠΆΠ΅Π½ΠΈΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½, ΡΠΊΡ Π·Π°ΠΏΠΎΠ±ΡΠ³Π°ΡΡΡ Π²ΠΏΠ»ΠΈΠ²ΠΎΠ²Ρ Π±ΡΡΠ΅ΡΠ½ΠΎΡ ΡΠΌΠ½ΠΎΡΡΡ ΡΠ° ΡΠΎΠ½Π½ΠΎΡ ΡΠΈΠ»ΠΈ ΡΠΎΠ·ΡΠΈΠ½ΡΠ² Ρ ΡΠΎΠ·ΡΠΈΡΡΡΡΡ Π΄ΠΈΠ½Π°ΠΌΡΡΠ½ΠΈΠΉ Π΄ΡΠ°ΠΏΠ°Π·ΠΎΠ½ ΡΠΎΠ±ΠΎΡΠΈ ΡΠ΅Π½ΡΠΎΡΡΠ². ΠΠ»Ρ ΡΡΠ²ΠΎΡΠ΅Π½Π½Ρ ΠΌΡΠ½ΡΠ°ΡΡΡΠ½ΠΈΡ
ΡΠΌΡΠ½ΠΎΡΠ΅Π½ΡΠΎΡΡΠ² Π±ΡΠ»ΠΎ Π·Π°ΠΏΡΠΎΠΏΠΎΠ½ΠΎΠ²Π°Π½ΠΎ ΡΠ°ΠΊΡ ΠΏΡΠ΄Ρ
ΠΎΠ΄ΠΈ: Π°) Π²ΠΈΠΊΠΎΡΠΈΡΡΠ°Π½Π½Ρ ΠΏΠΎΠ»ΡΠ°Π½ΡΠ»ΡΠ½Ρ ΡΠΊ Π΅Π»Π΅ΠΊΡΡΠΎΠΏΡΠΎΠ²ΡΠ΄Π½ΠΎΡ ΠΌΡΡΠΊΠΈ ΠΏΡΠΈ Π²ΠΈΠ· Π½Π°ΡΠ΅ ΠΏΠ½Ρ Π°Π½ΡΠΈΡΡΠ» Ρ ΠΊΠΎΠ½ΠΊΡΡΠ΅Π½ΡΠ½ΠΎΠΌΡ ΡΠΌΡΠ½ΠΎΠ°Π½Π°Π»ΡΠ·Ρ: Π±) ΡΡΠ²ΠΎΡΠ΅Π½Π½Ρ Π±Π°Π³Π°ΡΠΎΡΠ°ΡΠΎΠ²ΠΈΡ
ΡΡΡΡΠΊΡΡΡ Π· ΠΏΠ»ΡΠ²ΠΊΠ°ΠΌΠΈ ΡΡΠ°Π»ΠΎΡΡΠ°Π½ΡΠ½Ρ; Π²) Π²ΠΈΠΊΠΎΡΠΈΡΡΠ°Π½Π½Ρ Π°ΠΊΡΠΈΠ»ΠΎΠ²ΠΈΡ
ΡΠΎΠΏΠΎΠ»ΡΠΌΠ΅ΡΠ½ΠΈΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½. ΠΠ±Π³ΠΎΠ²ΠΎΡΠ΅Π½ΠΎ ΠΏΠ΅ΡΠ΅Π²Π°Π³ΠΈ ΡΠ° Π½Π΅Π΄ΠΎΠ»ΡΠΊΠΈ ΡΠΎΠ·ΡΠΎΠ±Π»Π΅Π½ΠΈΡ
ΠΊΠΎΠ½Π΄ΡΠΊΡΠΎΠΌΠ΅ΡΡΠΈΡΠ½ΠΈΡ
Π±ΡΠΎΡΠ΅Π½ΡΠΎΡΡΠ². ΠΠΎΠ΄Π°Π»ΡΡΠ° ΠΊΠΎΠΌΠ΅ΡΡΡΠ°Π»ΡΠ·Π°ΡΡΡ ΡΠ°ΠΊΠΈΡ
ΠΏΡΠΈΠ»Π°Π΄ΡΠ² ΠΏΠΎΠ²'ΡΠ·Π°Π½Π° Π· ΠΏΠΎΡΡΠΊΠΎΠΌ ΡΠ»ΡΡ
ΡΠ² ΡΡΠ°Π±ΡΠ»ΡΠ·Π°ΡΡΡ ΡΡΡΠ»ΠΈΠ²ΠΈΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ ΡΠ° ΡΡΠΌΡΡΠ΅Π½Π½Ρ ΡΠΎΠ½ΠΊΠΎΠΏΠ»ΡΠ²ΠΊΠΎΠ²ΠΈΡ
ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΡΠΉ Π· Π½Π°Π½Π΅ΡΠ΅Π½Π½ΡΠΌ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ Ρ ΡΠ΄ΠΈΠ½ΠΎΠΌΡ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΡΡΠ½ΠΎΠΌΡ ΡΠΈΠΊΠ»Ρ.ΠΠ±Π·ΠΎΡ ΠΏΠΎΡΠ²ΡΡΠ΅Π½ Π°Π½Π°Π»ΠΈΠ·Ρ ΡΠΎΠ±ΡΡΠ²Π΅Π½Π½ΡΡ
ΡΠ°Π±ΠΎΡ ΠΏΠΎ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠΊΠ΅ ΠΎΠΊΠΎΠ»ΠΎ 20 ΠΊΠΎΠ½Π΄ΡΠΊΡΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
Π±ΠΈΠΎΡΠ΅Π½ΡΠΎΡΠΎΠ² Π½Π°. ΠΎΡΠ½ΠΎΠ²Π΅ ΠΏΠ»Π°Π½Π°ΡΠ½ΡΡ
ΡΠ»Π΅ΠΊΡΡΠΎΠ΄ΠΎΠ² ΠΈ ΡΠ°Π·Π»ΠΈΡΠ½ΠΎΠ³ΠΎ Π±ΠΈΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠ³ΠΎ ΠΌΠ°ΡΠ΅ΡΠΈΠ°Π»Π°, (ΡΠ΅ΡΠΌΠ΅Π½ΡΡ, ΠΊΠ»Π΅ΡΠΊΠΈ, Π°Π½ΡΠΈΡΠ΅Π»Π°) ΠΈ ΡΠΈΠ½ΡΠ΅ΡΠΈΡΠ΅ΡΠΊΠΈΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ ΠΎ ΠΊΠ°ΡΠ΅ΡΡΠ²Π΅ ΡΡΠ²ΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΡΡ
ΡΠ»Π΅ΠΌΠ΅Π½ΡΠΎΠ². ΠΡΡΠΎΠΊΠ°Ρ ΡΠ΅Π»Π΅ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ, ΡΡΠ²ΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΠΎΡΡΡ, Π΄Π΅ΡΠ΅Π²ΠΈΠ·Π½Π°, ΠΏΡΠΎΡΡΠΎΡΠ° ΠΈ Π±ΡΡΡΡΠΎΡΠ° ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΡ ΡΠ°Π·Π»ΠΈΡΠ½ΡΡ
Π²Π΅ΡΠ΅ΡΡΠ² Π΄Π΅Π»Π°ΡΡ Π±ΠΈΠΎΡΠ΅Π½ΡΠΎΡΡ Π½Π΅ΠΎΠ±Ρ
ΠΎΠ΄ΠΈΠΌΡΠΌΠΈ Π² ΠΌΠ΅Π΄ΠΈΡΠΈΠ½Π΅, Π±ΠΈΠΎΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ, ΡΠΊΠΎΠ»ΠΎΠ³ΠΈΠΈ, ΡΠ΅Π»ΡΡΠΊΠΎΠΌ Ρ
ΠΎΠ·ΡΠΉΡΡΠ²Π΅ ΠΈ ΠΏΠΈΡΠ΅Π²ΠΎΠΉ ΠΏΡΠΎΠΌΡΡΠ»Π΅Π½Π½ΠΎΡΡΠΈ. ΠΡΠΈ Π°Π½Π°Π»ΠΈΠ·Π΅ ΡΠ΅Π°Π»ΡΠ½ΡΡ
ΠΎΠ±ΡΠ°Π·ΡΠΎΠ² Π½Π΅ΡΠΏΠ΅ΡΠΈΡΠΈΡΠ΅ΡΠΊΠΎΠ΅ Π²Π»ΠΈΡΠ½ΠΈΠ΅ ΡΠΎΠ½ΠΎΠ²ΡΡ
ΡΠ»Π΅ΠΊΡΡΠΎΠ»ΠΈΡΠΎΠ² ΠΌΠΎΠΆΠ½ΠΎ ΡΡΡΡΠ°Π½ΠΈΡΡ Π±Π»Π°Π³ΠΎΠ΄Π°ΡΡ ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΡ Π΄ΠΈΡΡΠ΅ΡΠ΅Π½ΡΠΈΠ°Π»ΡΠ½ΠΎΠ³ΠΎ ΡΠ΅ΠΆΠΈΠΌΠ° ΠΈΠ·ΠΌΠ΅ΡΠ΅Π½ΠΈΠΉ, Π±ΠΎΠ»Π΅Π΅ ΠΊΠΎΠ½ΡΠ΅Π½ΡΡΠΈΡΠΎΠ²Π°Π½Π½ΡΡ
Π±ΡΡΠ΅ΡΠ½ΡΡ
ΡΠ°ΡΡΠ²ΠΎΡΠΎΠ², Π° ΡΠ°ΠΊΠΆΠ΅ Π΄ΠΎΠΏΠΎΠ»Π½ΠΈΡΠ΅Π»ΡΠ½ΡΡ
ΠΎΡΡΠΈΡΠ°ΡΠ΅Π»ΡΠ½ΠΎ ΠΈΠ»ΠΈ ΠΏΠΎΠ»ΠΎΠΆΠΈΡΠ΅Π»ΡΠ½ΠΎ Π·Π°ΡΡΠΆΠ΅Π½Π½ΡΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½, ΡΠΌΠ΅Π½ΡΡΠ°ΡΡΠΈΡ
Π²Π»ΠΈΡΠ½ΠΈΠ΅ Π±ΡΡΠ΅ΡΠ½ΠΎΠΉ Π΅ΠΌΠΊΠΎΡΡΠΈ ΠΈ ΠΈΠΎΠ½Π½ΠΎΠΉ ΡΠΈΠ»Ρ ΡΠ°ΡΡΠ²ΠΎΡΠΎΠ² ΠΈ ΡΠ°ΡΡΠΈΡΡΡΡΠΈΡ
Π΄ΠΈΠ½Π°ΠΌΠΈΡΠ΅ΡΠΊΠΈΠΉ Π΄ΠΈΠ°ΠΏΠ°Π·ΠΎΠ½ ΡΠ°Π±ΠΎΡΡ ΡΠ΅Π½ΡΠΎΡΠΎΠ². ΠΠ»Ρ ΡΠΎΠ·Π΄Π°Π½ΠΈΡ ΠΌΠΈΠ½ΠΈΠ°ΡΡΡΠ½ΡΡ
ΠΈΠΌΠΌΡΠ½ΠΎΡΠ΅Π½ΡΠΎΡΠΎΠ² ΠΏΡΠ΅Π΄Π»ΠΎΠΆΠ΅Π½Ρ ΡΠ»Π΅Π΄ΡΡΡΠΈΠ΅ ΠΏΠΎΠ΄Ρ
ΠΎΠ΄Ρ: Π°) ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ ΠΏΠΎΠ»ΠΈΠ°Π½ΠΈΠ»ΠΈΠ½Π° ΠΊΠ°ΠΊ ΡΠ»Π΅ΠΊΡΡΠΎΠΏΡΠΎΠ²ΠΎΠ΄ΡΡΠ΅ΠΉ ΠΌΠ΅ΡΠΊΠΈ ΠΏΡΠΈ ΠΎΠΏΡΠ΅Π΄Π΅Π»Π΅Π½ΠΈΠΈ Π°Π½ΡΠΈΡΠ΅Π» Π² ΠΊΠΎΠ½ΠΊΡΡΠ΅Π½ΡΠ½ΠΎΠΌ ΠΈΠΌΠΌΡΠ½ΠΎΠ°Π½Π°Π»ΠΈΠ·Π΅; Π±) ΡΠΎΠ·Π΄Π°Π½ΠΈΠ΅ ΠΌΠ½ΠΎΠ³ΠΎΡΠ»ΠΎΠΉΠ½ΡΡ
ΡΡΡΡΠΊΡΡΡ Ρ ΠΏΠ»Π΅Π½ΠΊΠ°ΠΌΠΈ Π½Π° ΠΎΡΠ½ΠΎΠ²Π΅ ΡΡΠ°Π»ΠΎΡΠΈΠ°Π½ΠΈΠ½Π°; Π²) ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Π½ΠΈΠ΅ Π°ΠΊΡΠΈΠ»ΠΎΠ²ΡΡ
ΡΠΎ ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠ½ΡΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½. ΠΠ±ΡΡΠΆΠ΄Π΅Π½Ρ ΠΏΡΠ΅ΠΈΠΌΡΡΠ΅ΡΡΠ²Π° ΠΈ Π½Π΅Π΄ΠΎΡΡΠ°ΡΠΊΠΈ ΡΠ°Π·ΡΠ°Π±ΠΎΡΠ°Π½Π½ΡΡ
ΠΊΠΎΠ½Π΄ΡΠΊΡΠΎΠΌΠ΅ΡΡΠΈΡΠ΅ΡΠΊΠΈΡ
Π±ΠΈΠΎΡΠ΅Π½ΡΠΎΡΠΎΠ². ΠΠ°Π»ΡΠ½Π΅ΠΉΡΠ°Ρ ΠΊΠΎΠΌΠΌΠ΅ΡΡΠΈΠ°Π»ΠΈΠ·Π°ΡΠΈΡ, ΡΠ°ΠΊΠΈΡ
ΠΏΡΠΈΠ±ΠΎΡΠΎΠ² ΡΠ²ΡΠ·Π°Π½Π° Ρ ΠΏΠΎΠΈΡΠΊΠΎΠΌ ΠΏΡΡΠ΅ΠΉ ΡΡΠ°Π±ΠΈΠ»ΠΈΠ·Π°ΡΠΈΠΈ ΡΡΠ²ΡΡΠ²ΠΈΡΠ΅Π»ΡΠ½ΡΡ
ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ ΠΈ ΡΠΎΠ²ΠΌΠ΅ΡΠ΅Π½ΠΈΡ, ΡΠΎΠ½ΠΊΠΎΠΏΠ»Π΅Π½ΠΎΡΠ½ΠΎΠΉ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ Ρ Π½Π°Π½Π΅ΡΠ΅Π½ΠΈΠ΅ΠΌ ΠΌΠ΅ΠΌΠ±ΡΠ°Π½ Π² Π΅Π΄ΠΈΠ½ΠΎΠΌ ΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΎΠΌ ΡΠΈΠΊΠ»Π΅
Towards the development of an integrated CE/optical biosensor.
Extending the previous preliminary study on the construction of a capillary electrophoresis (CE)/sensor for the detection of reducing analytes, we focus the interest on the simultaneous detection of redox active species, which are important indicators of the oxidative damage in tissues, of food preservation, and of pollution. The CE/sensor was built by modifying the detector-portion of the capillary with the redox-sensitive polymer polyaniline (PANI). The analyte is detected by monitoring the changes in optical absorption of the PANI film. The CE/sensor was tested, with good results, with ascorbic acid, glutathione (GSH), as well as with compounds with very close similarity (ascorbic and isoascorbic acid). The kinetics of oxidation and reduction of PANI were evaluated. Further a PANI/CE-biological sensor was developed by coupling an enzyme, glucose oxidase (GOD), to the PANI-modified portion of the capillary. The stability of the immobilized GOD and the sensitivity of the CE/biosensor were studied, by using glucose as test analyte in concentrations within the physiological range. The results indicate that the CE/biosensor had good stability (more than 75% of original activity retained after 30 operational days), manufacturing reproducibility and a sensing range convenient for monitoring physiological glucose (1-24 mm)
Development of an integrated CE/sensor for L-ascorbic acid detection.
A CE/biosensor for measuring ascorbic acid was developed by coupling a polyaniline optical sensor and capillary electrophoresis (CE). The capillary column was partially modified with a thin film of polyaniline redox sensitive material. Ascorbic acid was detected by monitoring the changes in optical absorbance occurring to the polyaniline film upon the reduction reaction. The sensor response (change in optical absorbance at 650 nm) is proportional to the concentration of ascorbic acid over a range of 2.5-250 mg/L and the response range has shown a clear dependence on the characteristics of the polymerized film. High specificity and sensitivity of the present method, low sample consumption, short times of response (ca. 2 min) and the reproducibility of the results demonstrate that the CE/polyaniline-sensor could be further employed in the study of the relation between the content of L-ascorbic acid in body fluids and clinical parameters, e.g., cell ageing
Development of a sensor prepared by entrapment of MIP particles in electrosynthesised polymer films for electrochemical detection of ephedrine
A voltammetric sensor for (β)-ephedrine has been prepared by a novel approach based on immobilisation of an imprinted polymer for ephedrine
(MIPE) in an electrosynthesised polypyrrole (PPY) film. Composite films were grown potentiostatically at 1.0V vs. Pt (QRE) on a glassy carbon
electrode using an unconventional βupside-downβ (UD) geometry for the three-electrode cell. As a consequence, a high MIP loading was obtained,
as revealed by SEM. The sensor response was evaluated, after overoxidation of PPY matrix, by cyclic voltammetry after pre-concentration in
a buffered solution of analyte in 0.5β3mM concentration range. An ephedrine peak at β0.9V increasing with concentration and saturating at
high concentrations was evident. PPY-modified electrode showed a response, which was distinctly lower than the MIP response for the same
concentration of the template. The effect of potential interferences including compounds usually found in human fluids (ascorbic acid, uric acid,
urea, glucose, sorbitol, glycine, dopamine) was examined
Electrochemical sensor for catechol and dopamine based on a catalytic molecularly imprinted polymer-conducting polymer hybrid recognition element
One of the difficulties with using molecularly imprinted
polymers (MIPs) and other electrically insulating materials
as the recognition element in electrochemical sensors is the
lack of a direct path for the conduction of electrons from
the active sites to the electrode. We have sought to address
this problem through the preparation and characterization
of novel hybrid materials combining a catalytic MIP, capable
of oxidizing the template, catechol, with an electrically
conducting polymer. In this way a network of gmolecular
wires h assists in the conduction of electrons from the active
sites within the MIP to the electrode surface. This was made
possible by the design of a new monomer that combines
orthogonal polymerizable functionality; comprising an aniline
group and a methacrylamide. Conducting films were prepared
on the surface of electrodes (Au on glass) by electropolymerization
of the aniline moiety. A layer of MIP was
photochemically grafted over the polyaniline, via N,N \u152-
diethyldithiocarbamic acid benzyl ester (iniferter) activation
of the methacrylamide groups. Detection of catechol by the
hybrid-MIP sensor was found to be specific, and catechol
oxidation was detected by cyclic voltammetry at the optimized
operating conditions: potential range -0.6 V to +0.8
V (vs Ag/AgCl), scan rate 50 mV/s, PBS pH 7.4. The
calibration curve for catechol was found to be linear to 144
\u192\ucaM, with a limit of detection of 228 nM. Catechol and
dopamine were detected by the sensor, whereas analogues
and potentially interfering compounds, including phenol,
resorcinol, hydroquinone, serotonin, and ascorbic acid, had
minimal effect (e3%) on the detection of either analyte. Nonimprinted
hybrid electrodes and bare gold electrodes failed
to give any response to catechol at concentrations below 0.5
mM. Finally, the catalytic properties of the sensor were
characterized by chronoamperometry and were found to be
consistent with Michaelis-Menten kinetics
Synthesis of biologically active molecules by imprinting polymerisation
Highly cross-linked molecularly imprinted polymers (MIPs) are synthetic materials with properties mimicking those of natural receptors. Here we describe an ability of MIP nanoparticles to manifest biological activity. Molecularly imprinted polymers were synthesised by co-polymerisation of urocanic acid, N,Nβ-bisacryloyl piperazine in the presence of herbicide binding D1 protein, ground and separated from the template by washing and ultrafiltration. It was demonstrated that MIP nanoparticles retained affinity to the template. Moreover, imprinted polymers were able to activate chloroplast photosystem II in in vitro experiments. This provides the first example of the use of imprinted polymers for the attenuation of a biological system and opens new possibilities for their application in pharmacology, biotechnology and medicine.ΠΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΠΎ-ΠΈΠΌΠΏΡΠΈΠ½ΡΠΈΡΠΎΠ²Π°Π½Π½ΡΠ΅ ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΡ (ΠΠΠ) ΠΏΡΠ΅Π΄ΡΡΠ°Π²Β Π»ΡΡΡ ΡΠΎΠ±ΠΎΠΉ ΡΠ΅ΡΡΠ°ΡΡΠ΅ ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΡ Ρ Π²ΡΡΠΎΠΊΠΎΠΉ ΡΡΠ΅ΠΏΠ΅Π½ΡΡ ΡΡΠΈΠ²Π°Β Π½ΠΈΡ, ΠΈΠΌΠΈΡΠΈΡΡΡΡΠΈΠ΅ Π±ΠΈΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠΈΠ΅ ΡΠ΅ΡΠ΅ΠΏΡΠΎΡΡ. Π Π΄Π°Π½Π½ΠΎΠΉ ΡΠ°Π±ΠΎΡΠ΅ Π²ΠΏΠ΅ΡΠ²ΡΠ΅ ΠΏΡΠΎΠ΄Π΅ΠΌΠΎΠ½ΡΡΡΠΈΡΠΎΠ²Π°Π½Π° Π±ΠΈΠΎΠ»ΠΎΠ³ΠΈΡΠ΅ΡΠΊΠ°Ρ Π°ΠΊΡΠΈΠ²Π½ΠΎΡΡΡ ΠΌΠ°ΡΒΡΠΈΡΠ½ΠΈΡ
ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠ½ΡΡ
Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΡ. ΠΠΠ ΠΏΠΎΠ»ΡΡΠ΅Π½Ρ Π²ΡΠ»Π΅Π΄ΡΡΠ²ΠΈΠ΅ ΡΠΎΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠΈΠ·Π°ΡΠΈΠΈ ΡΡΠΎΠΊΠ°Π½ΠΎΠ²ΠΎΠΉ ΠΊΠΈΡΠ»ΠΎΡΡ ΠΈ N,N'-Π±ΠΈΡΠ°ΠΊΡΠΈΠ»ΠΎΠΈΠ» ΠΏΠΈΠΏΠ΅ΡΠ°Π·ΠΈΠ½Π° Π² ΠΏΡΠΈΡΡΡΡΡΠ²ΠΈΠΈ Π³Π΅ΡΠ±ΠΈΡΠΈΠ΄-ΡΠ²ΡΠ·ΡΠ²Π°ΡΡΠ΅Π³ΠΎ Π±Π΅Π»ΠΊΠ° Π1 ΠΊΠ°ΠΊ ΠΌΠ°ΡΡΠΈΡΠ½ΠΎΠΉ ΠΌΠΎΠ»Π΅ΠΊΡΠ»Ρ. ΠΠ°Π»Π΅Π΅ ΠΈΡ
ΠΈΠ·ΠΌΠ΅Π»ΡΡΠ°Π»ΠΈ ΠΈ Ρ ΠΏΠΎΠΌΠΎΡΡΡ ΡΠ»ΡΡΡΠ°ΡΠΈΠ»ΡΡΡΠ°ΡΠΈΠΈ Π²ΡΠ΄Π΅Π»ΡΠ»ΠΈ ΡΡΠ°ΠΊΡΠΈΡ ΠΌΠ°ΡΡΠΈΡΠ½ΡΡ
ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΒΠ½ΡΡ
Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΡ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΡΠΎ ΡΠ°ΠΊΠΈΠ΅ ΡΠ°ΡΡΠΈΡΡ ΠΎΠ±Π»Π°Π΄Π°Π»ΠΈ Π°ΡΡΠΈΠ½Π½ΠΎΡΡΡΡ ΠΊ ΠΌΠ°ΡΡΠΈΡΠ½ΡΠΌ ΠΌΠΎΠ»Π΅ΠΊΡΠ»Π°ΠΌ, Π° ΡΠ°ΠΊΠΆΠ΅ ΡΠΏΠΎΡΠΎΠ±Π½ΠΎΒ ΡΡΡΡ Π°ΠΊΡΠΈΠ²ΠΈΡΠΎΠ²Π°ΡΡ ΡΠΎΡΠΎΡΠΈΡΡΠ΅ΠΌΡ II Ρ
Π»ΠΎΡΠΎΠΏΠ»Π°ΡΡΠΎΠ² Π² ΡΠΊΡΠΏΠ΅ΡΠΈΒΠΌΠ΅Π½ΡΠ°Ρ
in vitro. ΠΠΎΠ΄ΠΎΠ±Π½ΡΠ΅ ΡΠ²ΠΎΠΉΡΡΠ²Π° ΠΌΠ°ΡΡΠΈΡΠ½ΠΈΡ
ΠΏΠΎΠ»ΠΈΠΌΠ΅ΡΠ½ΡΡ
Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΡ ΠΎΡΠΊΡΡΠ²Π°ΡΡ ΡΠΈΡΠΎΠΊΠΈΠ΅ ΠΏΠ΅ΡΡΠΏΠ΅ΠΊΡΠΈΠ²Ρ ΠΈΡ
ΠΈΡΠΏΠΎΠ»ΡΠ·ΠΎΠ²Π°Β Π½ΠΈΡ Π² ΡΠ°ΡΠΌΠ°ΠΊΠΎΠ»ΠΎΠ³ΠΈΠΈ, Π±ΠΈΠΎΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΠΈΠΈ ΠΈ ΠΌΠ΅Π΄ΠΈΡΠΈΠ½Π΅.ΠΠΎΠ»Π΅ΠΊΡΠ»ΡΡΠ½ΠΎ-ΡΠΌΠΏΡΠΈΠ½ΡΠΎΠ²Π°Π½Ρ ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠΈ (ΠΠΠ) Ρ ΡΡΡΡΠ°ΡΡΠΈΠΌΠΈ ΠΏΠΎΒ Π»ΡΠΌΠ΅ΡΠ°ΠΌΠΈ Π· Π²ΠΈΡΠΎΠΊΠΈΠΌ ΡΡΡΠΏΠ΅Π½Π΅ΠΌ Π·ΠΈΡΠΈΠ²Π°Π½Π½Ρ, ΡΠΊΡ ΡΠΌΡΡΡΡΡΡ Π±ΡΠΎΒΠ»ΠΎΠ³ΡΡΠ½Ρ ΡΠ΅ΡΠ΅ΠΏΡΠΎΡΠΈ. Π Π΄Π°Π½ΡΠΉ ΡΠΎΠ±ΠΎΡΡ Π²ΠΏΠ΅ΡΡΠ΅ ΠΏΡΠΎΠ΄Π΅ΠΌΠΎΠ½ΡΡΡΠΎΠ²Π°Π½ΠΎ Π±ΡΠΎΠ»ΠΎΠ³ΡΡΠ½Ρ Π°ΠΊΡΠΈΠ²Π½ΡΡΡΡ ΠΌΠ°ΡΡΠΈΡΠ½ΠΈΡ
ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠ½ΠΈΡ
Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΠ½ΠΎΠΊ. ΠΠΠ ΠΎΡΡΠΈΠΌΠ°Π½ΠΎ Π²Π½Π°ΡΠ»ΡΠ΄ΠΎΠΊ ΡΠΏΡΠ²ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠΈΠ·Π°ΡΡΡ ΡΡΠΎΠΊΠ°Π½ΠΎΠ²ΠΎΡ ΠΊΠΈΡΠ»ΠΎΡΠΈ ΡΠ° NyN'-Π±ΡΡΠ°ΠΊΡΠΈΠ»ΠΎΡΠ»ΠΏΡΠΏΠ΅ΡΠ°Π·ΠΈΠ½Ρ Π·Π° ΠΏΡΠΈΡΡΡΠ½ΠΎΡΡΡ Π³Π΅ΡΠ±ΡΡΠΈΠ΄-Π·Π²'ΡΠ·ΡΠ²Π°Π»ΡΠ½ΠΎΠ³ΠΎ Π±ΡΠ»ΠΊΠ° Π1 ΡΠΊ ΠΌΠ°ΡΡΠΈΡΠ½ΠΎΡ ΠΌΠΎΠ»Π΅ΠΊΡΠ»ΠΈ. ΠΠ°Π»Ρ ΠΉΠΎΠ³ΠΎ ΠΏΠΎΠ΄Β ΡΡΠ±Π½ΡΠ²Π°Π»ΠΈ Ρ Π·Π° Π΄ΠΎΠΏΠΎΠΌΠΎΠ³ΠΎΡ ΡΠ»ΡΡΡΠ°ΡΡΠ»ΡΡΡΠ°ΡΡΡ Π²ΠΈΠ΄ΡΠ»ΡΠ»ΠΈ ΡΡΠ°ΠΊΡΡΡ ΠΌΠ°ΡΡΠΈΡΠ½ΠΈΡ
ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠ½ΠΈΡ
Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΠ½ΠΎΠΊ. ΠΠΎΠΊΠ°Π·Π°Π½ΠΎ, ΡΠΎ ΡΠ°ΠΊΡ ΡΠ°ΡΒ ΡΠΈΠ½ΠΊΠΈ ΠΌΠ°Π»ΠΈ Π°ΡΡΠ½Π½ΡΡΡΡ Π΄ΠΎ ΠΌΠ°ΡΡΠΈΡΠ½ΠΈΡ
ΠΌΠΎΠ»Π΅ΠΊΡΠ», Π° ΡΠ°ΠΊΠΎΠΆ Π·Π΄Π°ΡΠ½ΡΡΡΡ Π°ΠΊΡΠΈΠ²ΡΠ²Π°ΡΠΈ ΡΠΎΡΠΎΡΠΈΡΡΠ΅ΠΌΡ II Ρ
Π»ΠΎΡΠΎΠΏΠ»Π°ΡΡΡΠ² Π² Π΅ΠΊΡΠΏΠ΅ΒΡΠΈΠΌΠ΅Π½ΡΠ°Ρ
in vitro. ΠΠΎΠ΄ΡΠ±Π½Ρ Π²Π»Π°ΡΡΠΈΠ²ΠΎΡΡΡ ΠΌΠ°ΡΡΠΈΡΠ½ΠΈΡ
ΠΏΠΎΠ»ΡΠΌΠ΅ΡΠ½ΠΈΡ
Π½Π°Π½ΠΎΡΠ°ΡΡΠΈΠ½ΠΎΠΊ Π²ΡΠ΄ΠΊΡΠΈΠ²Π°ΡΡΡ ΡΠΈΡΠΎΠΊΡ ΠΏΠ΅ΡΡΠΏΠ΅ΠΊΡΠΈΠ²Ρ ΡΡ
Π½ΡΠΎΠ³ΠΎ Π²ΠΈΠΊΠΎΡΠΈΒΡΡΠ°Π½Π½Ρ Π² ΡΠ°ΡΠΌΠ°ΠΊΠΎΠ»ΠΎΠ³ΡΡ, Π±ΡΠΎΡΠ΅Ρ
Π½ΠΎΠ»ΠΎΠ³ΡΡ ΡΠ° ΠΌΠ΅Π΄ΠΈΡΠΈΠ½Ρ