Search Results - "Heiskanen, Juha P."

UV-Blocking Synthetic Biopolymer from Biomass-Based Bifuran Diester and Ethylene Glycol by Kainulainen, Tuomo P, Sirviö, Juho A, Sethi, Jatin, Hukka, Terttu I, Heiskanen, Juha P

“…A furan-based synthetic biopolymer composed of a bifuran monomer and ethylene glycol was synthesized through melt polycondensation, and the resulting polyester…”
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Carbamation of Starch with Amine Using Dimethyl Carbonate as Coupling Agent by Sirviö, Juho Antti, Heiskanen, Juha P

“…A one-pot coupling of starch with alkyl amine was studied using dimethyl carbonate (DMC) as the coupling agent. Although reaction occurred without a catalyst…”
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Syntheses of Thiophene and Thiazole-Based Building Blocks and Their Utilization in the Syntheses of A‑D‑A Type Organic Semiconducting Materials with Dithienosilolo Central Unit by Parviainen, Tomi A. O., Salmela, Petri M., Sippola, Roosa J., Heiskanen, Juha P.

“…Dithienosilole moiety is an electron donating unit, and it has been applied, for example, as a part of small molecular and polymeric electron donors in high…”
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Room-temperature dissolution and chemical modification of cellulose in aqueous tetraethylammonium hydroxide–carbamide solutions by Sirviö, Juho Antti, Heiskanen, Juha P.

“…The room-temperature dissolution of cellulose in aqueous tetraethylammonium hydroxide (TEAOH) in the presence of carbamides (ureas) was investigated. Without…”
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Derivatives of a PARP Inhibitor TIQ-A through the Synthesis of 8-Alkoxythieno[2,3- c ]isoquinolin-5(4 H )-ones by Maksimainen, Mirko M., Nurmesjärvi, Antti, Terho, Reima A., Threadgill, Michael D., Lehtiö, Lari, Heiskanen, Juha P.

“…Thieno[2,3- c ]isoquinolin-5(4 H )-one is known for its potential as an anti-ischemic agent through the inhibition of poly(ADP-ribose) polymerase 1 (PARP1)…”
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The pH sensitive properties of carboxymethyl chitosan nanoparticles cross-linked with calcium ions by Kalliola, Simo, Repo, Eveliina, Srivastava, Varsha, Heiskanen, Juha P., Sirviö, Juho Antti, Liimatainen, Henrikki, Sillanpää, Mika

“…[Display omitted] •Nanoparticle size controlled by varying pH and CaCl2 concentration during synthesis.•In acidic pH the nanoparticles form without added…”
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Synthesis of Alkaline‐Soluble Cellulose Methyl Carbamate Using a Reactive Deep Eutectic Solvent by Sirviö, Juho Antti, Heiskanen, Juha P.

“…This study presents the use of a reactive deep eutectic solvent (DES) for the chemical modification of wood cellulose fibers. DES based on dimethylurea and…”
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Effectiveness of N,O-carboxymethyl chitosan on destabilization of Marine Diesel, Diesel and Marine-2T oil for oil spill treatment by Doshi, Bhairavi, Repo, Eveliina, Heiskanen, Juha P., Sirviö, Juho Antti, Sillanpää, Mika

“…•Water soluble NO-CS at acidic pH shows Winsor type-III micro emulsions with oils.•Salinity reduces the size of oil droplets and enhances the adsorption…”
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Furfural-Based Modification of PET for UV-Blocking Copolymers with Decreased Oxygen Permeability by Ahmed, Asmaa M, Kainulainen, Tuomo P, Heiskanen, Juha P

“…2,2′-Bifuran-5,5′-dicarboxylic acid (BFDCA), a highly promising biobased diacid monomer, was used to modify poly­(ethylene terephthalate) (PET) to obtain…”
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Sodium salt of oleoyl carboxymethyl chitosan: A sustainable adsorbent in the oil spill treatment by Doshi, Bhairavi, Repo, Eveliina, Heiskanen, Juha P., Sirviö, Juho Antti, Sillanpää, Mika

“…Spills due to the floating oil on the surface of sea water shows a significant alteration in the natural phenomenon of the marine ecosystem. Hence, amphiphilic…”
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Highly effective fractionation chemistry to overcome the recalcitrance of softwood lignocellulose by Sirviö, Juho Antti, Mikola, Marja, Ahola, Juha, Heiskanen, Juha P., Filonenko, Svitlana, Ämmälä, Ari

“…The efficient fractionation and thus production of individual biomass components are pivotal processes in the biorefinery concept. However, the recalcitrant…”
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Carboxymethyl Chitosan and Its Hydrophobically Modified Derivative as pH-Switchable Emulsifiers by Kalliola, Simo, Repo, Eveliina, Srivastava, Varsha, Zhao, Feiping, Heiskanen, Juha P, Sirviö, Juho Antti, Liimatainen, Henrikki, Sillanpää, Mika

“…The emulsification properties of carboxymethyl chitosan (CMChi) and hydrophobically modified carboxymethyl chitosan (h-CMChi) were studied as a function of pH…”
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Renewable Furfural-Based Polyesters Bearing Sulfur-Bridged Difuran Moieties with High Oxygen Barrier Properties by Ahmed, Asmaa M, Kainulainen, Tuomo P, Sirviö, Juho Antti, Heiskanen, Juha P

“…With the goal of achieving high barrier with bio-based materials, for example, for packaging applications, a series of novel furfural-based polyesters bearing…”
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Utilizing Furfural-Based Bifuran Diester as Monomer and Comonomer for High-Performance Bioplastics: Properties of Poly(butylene furanoate), Poly(butylene bifuranoate), and Their Copolyesters by Kainulainen, Tuomo P, Hukka, Terttu I, Özeren, Hüsamettin D, Sirviö, Juho A, Hedenqvist, Mikael S, Heiskanen, Juha P

“…Two homopolyesters and a series of novel random copolyesters were synthesized from two bio-based diacid esters, dimethyl 2,5-furandicarboxylate, a well-known…”
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Weathering of furan and 2,2′-bifuran polyester and copolyester films by Kainulainen, Tuomo P., Gowda, Vasantha, Heiskanen, Juha P., Hedenqvist, Mikael S.

“…•Weathering of novel furan-based polyesters was studied.•Evidence of cross-linking was found in all tested materials after weathering.•Bifuran-containing…”
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Sulfone-Bridged Difuran Polyesters by P. Kainulainen, Tuomo, Ahmed, Asmaa.M., Antti Sirviö, Juho, P. Heiskanen, Juha

“…[Display omitted] •Furfural-based difuran sulfone monomer was synthesized.•Furan polyesters with high glass transition temperatures were obtained.•Compared to…”
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Discovery of 2‑Amide-3-methylester Thiophenes that Target SARS-CoV‑2 Mac1 and Repress Coronavirus Replication, Validating Mac1 as an Antiviral Target by Wazir, Sarah, Parviainen, Tomi A. O., Pfannenstiel, Jessica J., Duong, Men Thi Hoai, Cluff, Daniel, Sowa, Sven T., Galera-Prat, Albert, Ferraris, Dana, Maksimainen, Mirko M., Fehr, Anthony R., Heiskanen, Juha P., Lehtiö, Lari

“…The COVID-19 pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) virus has made it clear that further development of antiviral…”
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Analogs of TIQ-A as inhibitors of human mono-ADP-ribosylating PARPs by Maksimainen, Mirko M., Murthy, Sudarshan, Sowa, Sven T., Galera-Prat, Albert, Rolina, Elena, Heiskanen, Juha P., Lehtiö, Lari

“…[Display omitted] The scaffold of TIQ-A, a previously known inhibitor of human poly-ADP-ribosyltransferase PARP1, was utilized to develop inhibitors against…”
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Synthesis of Benzothiadiazole Derivatives by Applying C–C Cross‑Couplings by Heiskanen, Juha P, Vivo, Paola, Saari, Niko M, Hukka, Terttu I, Kastinen, Tuuva, Kaunisto, Kimmo, Lemmetyinen, Helge J, Hormi, Osmo E. O

“…The benzothiadiazole moiety has been extensively exploited as a building block in the syntheses of efficient organic semiconducting materials during the past…”
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High Oxygen Barrier Polyester from 3,3′-Bifuran-5,5′-dicarboxylic Acid by Kainulainen, Tuomo P., Parviainen, Tomi A. O., Sirviö, Juho Antti, McGeachie, Liam J. R., Heiskanen, Juha P.

“…An exceptional oxygen barrier polyester prepared from a new biomass-derived monomer, 3,3′-bifuran-5,5′-dicarboxylic acid, is reported. When exposed to air, the…”
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