Alexander Steinbüchel
YOU?
Author Swipe
View article: Balancing the Push–Pull Effect on the Synthesis and Fluorescent Properties of New ESIPT Dyes for Thin Film Applications
Balancing the Push–Pull Effect on the Synthesis and Fluorescent Properties of New ESIPT Dyes for Thin Film Applications Open
The development of functional materials exploiting excited-state intramolecular proton transfer (ESIPT) requires a deep understanding of the push–pull balance on their reactivity, emission mechanism, and response to the surrounding environ…
View article: A comparative study between two carboxymethylated polysaccharides/protein electrostatic and cross-linked nanogels constructed for caffeic acid and eugenol delivery
A comparative study between two carboxymethylated polysaccharides/protein electrostatic and cross-linked nanogels constructed for caffeic acid and eugenol delivery Open
In response to the pressing demand for functional nanomaterials synthesis and applications, two polyelectrolyte complexes (PECs) [electrostatic and cross-linked nanogels (NGs)] loaded individually with caffeic acid (CafA) and eugenol (Eug)…
View article: Novel Biodegradable Nanoparticulate Chain-End Functionalized Polyhydroxybutyrate–Caffeic Acid with Multifunctionalities for Active Food Coatings
Novel Biodegradable Nanoparticulate Chain-End Functionalized Polyhydroxybutyrate–Caffeic Acid with Multifunctionalities for Active Food Coatings Open
The bioactivities of polyhydroxyalkanoates have been curtailed owing to the lack of bioactive functional groups in their backbones. In this regard, polyhydroxybutyrate (PHB) produced from new locally isolated Bacillus nealsonii ICRI16 was …
View article: Medium-Chain-Length Fatty Acid Catabolism in Cupriavidus necator H16: Transcriptome Sequencing Reveals Differences from Long-Chain-Length Fatty Acid β-Oxidation and Involvement of Several Homologous Genes
Medium-Chain-Length Fatty Acid Catabolism in Cupriavidus necator H16: Transcriptome Sequencing Reveals Differences from Long-Chain-Length Fatty Acid β-Oxidation and Involvement of Several Homologous Genes Open
Although Cupriavidus necator H16 has been used in several studies to produce polyhydroxyalkanoates from various lipids, the fatty acid metabolism is poorly understood. The β-oxidation of long-chain-length FAs has been investigated, but the…
View article: Sustainable curdlan biosynthesis by Rahnella variigena ICRI91 via alkaline hydrolysis of Musa sapientum peels and its edible, active and modified hydrogel for Quercetin controlled release
Sustainable curdlan biosynthesis by Rahnella variigena ICRI91 via alkaline hydrolysis of Musa sapientum peels and its edible, active and modified hydrogel for Quercetin controlled release Open
Despite the high demand for curdlan (Curd), its industrial implementation has not reached a mature stage due to the high cost of simple sugar feed stocks. Herein, Musa sapientum peels hydrolysate (MPH) was proposed for the first time as a …
View article: The Hyperproduction of Polyhydroxybutyrate Using Bacillus mycoides ICRI89 through Enzymatic Hydrolysis of Affordable Cardboard
The Hyperproduction of Polyhydroxybutyrate Using Bacillus mycoides ICRI89 through Enzymatic Hydrolysis of Affordable Cardboard Open
Bioplastics are contemplated as remarkable substitutes for conventional plastics to accommodate green technological advancements. However, their industrial production has not been fully implemented owing to the cost of carbon resources. Fr…
View article: Naturally-Sourced Antibacterial Polymeric Nanomaterials with Special Reference to Modified Polymer Variants
Naturally-Sourced Antibacterial Polymeric Nanomaterials with Special Reference to Modified Polymer Variants Open
Despite the recent advancements in treating bacterial infections, antibiotic resistance (AR) is still an emerging issue. However, polymeric nanocarriers have offered unconventional solutions owing to their capability of exposing more funct…
View article: Theoretical Studies of Cyanophycin Dipeptides as Inhibitors of Tyrosinases
Theoretical Studies of Cyanophycin Dipeptides as Inhibitors of Tyrosinases Open
The three-dimensional structure of tyrosinase has been crystallized from many species but not from Homo sapiens. Tyrosinase is a key enzyme in melanin biosynthesis, being an important target for melanoma and skin-whitening cosmetics. Sever…
View article: Evaluation of the function of a luciferase-like monooxygenase homologue in 4,4´-dithiodibutyric acid catabolism in Rhodococcus erythropolis MI2
Evaluation of the function of a luciferase-like monooxygenase homologue in 4,4´-dithiodibutyric acid catabolism in Rhodococcus erythropolis MI2 Open
The bacterium Rhodococcus erythropolis MI2 uses 4,4´-dithiodibutyric acid (DTDB) as carbon source to synthesize polythioesters (PTE). The first step for the production of PTE using DTDB is catalyzed by an NADH:flavin oxidoreductase (nox) a…
View article: Natural rubber degradation products: Fine chemicals and reuse of rubber waste
Natural rubber degradation products: Fine chemicals and reuse of rubber waste Open
Natural rubber (NR)1 is a biopolymer mainly composed of isoprene units linked to form double bonds with cis configuration. After the vulcanization process, NR is widely employed not only into fabrication of tyres, but also for many other p…
View article: Post-Synthetic Enzymatic and Chemical Modifications for Novel Sustainable Polyesters
Post-Synthetic Enzymatic and Chemical Modifications for Novel Sustainable Polyesters Open
Because of their biodegradability, compostability, compatibility and flexible structures, biodegradable polymers such as polyhydroxyalkanoates (PHA) are an important class of biopolymers with various industrial and biological uses. PHAs ar…
View article: Insights into the Degradation of Medium-Chain-Length Dicarboxylic Acids in Cupriavidus necator H16 Reveal β-Oxidation Differences between Dicarboxylic Acids and Fatty Acids
Insights into the Degradation of Medium-Chain-Length Dicarboxylic Acids in Cupriavidus necator H16 Reveal β-Oxidation Differences between Dicarboxylic Acids and Fatty Acids Open
The biotechnologically interesting bacterium Cupriavidus necator H16 was thoroughly investigated. Fifteen years ago, it was sequenced entirely and annotated (A.
View article: Cyanophycin Modifications—Widening the Application Potential
Cyanophycin Modifications—Widening the Application Potential Open
A circular bioeconomy approach is essential to slowing down the fearsome ongoing climate change. Replacing polymers derived from fossil fuels with biodegradable biobased polymers is one crucial part of this strategy. Cyanophycin is a polym…
View article: Polycistronic Expression System for Pichia pastoris Composed of Chitino- and Chitosanolytic Enzymes
Polycistronic Expression System for Pichia pastoris Composed of Chitino- and Chitosanolytic Enzymes Open
Chitin is one of the most abundant biopolymers. Due to its recalcitrant nature and insolubility in accessible solvents, it is often considered waste and not a bioresource. The products of chitin modification such as chitosan and chitooligo…
View article: 3,3′-Thiodipropionic acid (TDP), a possible precursor for the synthesis of polythioesters: identification of TDP transport proteins in Variovorax paradoxus TBEA6
3,3′-Thiodipropionic acid (TDP), a possible precursor for the synthesis of polythioesters: identification of TDP transport proteins in Variovorax paradoxus TBEA6 Open
3,3′-Thiodipropionic acid (TDP) is an antioxidant, which can be used as precursor carbon source to synthesize polythioesters. The bacterium Variovorax paradoxus TBEA6 strain can use TDP as a single source of carbon and energy. In the prese…
View article: Crystal structure of the sugar acid‐binding protein CxaP from a TRAP transporter in <i>Advenella mimigardefordensis</i> strain DPN7<sup>T</sup>
Crystal structure of the sugar acid‐binding protein CxaP from a TRAP transporter in <i>Advenella mimigardefordensis</i> strain DPN7<sup>T</sup> Open
Recently, CxaP, a sugar acid substrate binding protein (SBP) from Advenella mimigardefordensis strain DPN7 T , was identified as part of a novel sugar uptake strategy. In the present study, the protein was successfully crystallized. Althou…
View article: What Has Been Trending in the Research of Polyhydroxyalkanoates? A Systematic Review
What Has Been Trending in the Research of Polyhydroxyalkanoates? A Systematic Review Open
Over the past decades, enormous progress has been achieved with regard to research on environmentally friendly polymers. One of the most prominent families of such biopolymers are bacterially synthesized polyhydroxyalkanoates (PHAs) that h…
View article: Biotin Synthesis in Ralstonia eutropha H16 Utilizes Pimeloyl Coenzyme A and Can Be Regulated by the Amount of Acceptor Protein
Biotin Synthesis in Ralstonia eutropha H16 Utilizes Pimeloyl Coenzyme A and Can Be Regulated by the Amount of Acceptor Protein Open
Ralstonia eutropha is applied in industry for the production of biopolymers and serves as a research platform for the production of diverse fine chemicals. Due to its ability to grow on hydrogen and carbon dioxide as the sole carbon and en…
View article: Global Regulator of Rubber Degradation in Gordonia polyisoprenivorans VH2: Identification and Involvement in the Regulation Network
Global Regulator of Rubber Degradation in Gordonia polyisoprenivorans VH2: Identification and Involvement in the Regulation Network Open
In order to develop efficient microbial recycling strategies for rubber waste materials, it is required that we understand the degradation pathway of the polymer and how it is regulated. However, only little is known about the transcriptio…
View article: Biotransformation of poly(cis-1,4-isoprene) in a multiphase enzymatic reactor for continuous extraction of oligo-isoprenoid molecules
Biotransformation of poly(cis-1,4-isoprene) in a multiphase enzymatic reactor for continuous extraction of oligo-isoprenoid molecules Open
Biotechnological processes for the partial degradation or transformation of poly(cis-1,4-isoprene) rubber have been investigated during recent decades with promising results. The use of the enzyme 'latex clearing protein' (Lcp) to transfor…
View article: Sulfate Ester Detergent Degradation in<i>Pseudomonas aeruginosa</i>Is Subject to both Positive and Negative Regulation
Sulfate Ester Detergent Degradation in<i>Pseudomonas aeruginosa</i>Is Subject to both Positive and Negative Regulation Open
Bacterial degradation of toxic compounds is important not only for bioremediation but also for the colonization of hostile anthropogenic environments in which biocides are being used. This study with Pseudomonas aeruginosa expands our know…
View article: In Vitro Modification of Bacterial Cyanophycin and Cyanophycin Dipeptides Using Chemical Agents Towards Novel Variants of the Biopolymer
In Vitro Modification of Bacterial Cyanophycin and Cyanophycin Dipeptides Using Chemical Agents Towards Novel Variants of the Biopolymer Open
Variations of the composition of cyanophycin (CGP) have been investigated since the early 2000s. Modifications of the polymer are of academical interest, but also expand the number of putative applications for CGP and its dipeptides in fie…
View article: The catabolism of 3,3’-thiodipropionic acid in Variovorax paradoxus strain TBEA6: A proteomic analysis
The catabolism of 3,3’-thiodipropionic acid in Variovorax paradoxus strain TBEA6: A proteomic analysis Open
Variovorax paradoxus strain TBEA6 is one of the few organisms known to utilize 3,3'-thiodipropionate (TDP) as the only source of carbon and energy. It cleaves TDP to 3-mercaptopropionate (3MP), which is a direct precursor for polythioester…