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Biopolymeric conjugation with polynucleotides and applications 生物聚合物与多核苷酸的共轭及其应用
Q2 Physics and Astronomy Pub Date : 2024-01-30 DOI: 10.1515/psr-2022-0184
Hardeep Kaur, Shinar Athwal, Neelam Negi, Aditya Nautiyal, Shanu Magotra
Biopolymeric conjugate units are the next-generation material having maximum appreciable attributes such as biodegradability, biocompatibility, non-toxic, bioadhesive, and bioavailability. The usage of biopolymers promotes green chemistry and sustainable development hence limiting the overgrowing toxic materials harming the environment. In addition, polynucleotide conjugates increase the efficiency of the biopolymeric conjugate unit due to their supramolecular structure. Polynucleotide conjugates comprising chitosan, peptide, cyclodextrin, hyaluronic acid, gelatin, phenanthridine, and metallocene are common conjugates with polynucleotides. The synthesis process depends on the use of substrate and available conjugates. However click chemistry involving a series of steps can be preferably used for the development of conjugated, while the new method of cycling using the Garratt–Braverman cyclization approach combined with Sonogashira cross-coupling reaction can also be used as an alternative to click chemistry. Peptide coupling, N-methylation, reductive amination, acylation reaction, and layer-by-layer can be used to fabricate polynucleotide/biopolymeric conjugates. Considering the applicability aspect of the developed polynucleotide conjugates then preferably the biomedical field has witnessed more of its usage followed by its utility as a catalyst and detection and sensor probes. Especially, RNA technology has made a preferable place as a conjugate because of its intrinsic coding, and expression of genes in the natural environment. Therefore, polynucleotide/biopolymeric conjugates can be successfully employed to achieve the required results in the desired fields.
生物聚合物共轭单元是下一代材料,具有生物降解性、生物相容性、无毒性、生物粘附性和生物利用率等最大优点。生物聚合物的使用促进了绿色化学和可持续发展,从而限制了对环境有害的有毒材料的过度增长。此外,多核苷酸共轭物因其超分子结构而提高了生物聚合物共轭单元的效率。由壳聚糖、肽、环糊精、透明质酸、明胶、菲啶和茂金属组成的多核苷酸共轭物是常见的多核苷酸共轭物。合成过程取决于使用的底物和可用的共轭物。然而,涉及一系列步骤的点击化学可优先用于开发共轭物,而使用加拉特-布拉沃曼环化方法结合索诺伽希拉交叉偶联反应的新循环方法也可作为点击化学的替代方法。肽偶联、N-甲基化、还原胺化、酰化反应和逐层反应可用于制造多核苷酸/生物聚合物共轭物。考虑到所开发的多核苷酸共轭物的适用性,生物医学领域的应用较多,其次是用作催化剂、检测和传感器探针。特别是 RNA 技术,由于其固有的编码和基因在自然环境中的表达,已成为一种理想的共轭物。因此,多核苷酸/生物聚合物共轭物可成功应用于所需领域,以达到所需的效果。
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引用次数: 0
Continuous biomanufacturing in upstream and downstream processing 上游和下游加工过程中的连续生物制造
Q2 Physics and Astronomy Pub Date : 2023-12-14 DOI: 10.1515/psr-2022-0106
A. Schmidt, A. Hengelbrock, Jochen Strube
Abstract Continuous bioprocesses have become a significant technological change in regulated industries, with process analytical technology (PAT) and quality-by-design (QbD) being essential for enabling continuous biomanufacturing. PAT and QbD are associated with process automation and control, providing real-time key process information. Continuous manufacturing eliminates hold times and reduces processing times, providing benefits such as improved product quality, reduced waste, lower costs, and increased manufacturing flexibility and agility. Over the past decade, advancements in science and engineering, along with the adoption of QbD and the advancement of PAT, have progressed the scientific and regulatory readiness for continuous manufacturing. Regulatory authorities support the implementation of continuous manufacturing using science- and risk-based approaches, providing a great deal of potential to address issues of agility, flexibility, cost, and robustness in the development of pharmaceutical manufacturing processes.
摘要 连续生物工艺已成为受管制行业的一项重大技术变革,而工艺分析技术(PAT)和质量源于设计(QbD)是实现连续生物制造的关键。PAT 和 QbD 与工艺自动化和控制有关,可提供实时的关键工艺信息。连续生产消除了滞留时间,缩短了加工时间,带来了产品质量提高、浪费减少、成本降低、生产灵活性和敏捷性增强等好处。在过去的十年中,随着科学和工程技术的进步,以及 QbD 的采用和 PAT 的发展,连续生产在科学和监管方面都已准备就绪。监管机构支持采用基于科学和风险的方法实施连续生产,这为解决制药生产工艺开发过程中的敏捷性、灵活性、成本和稳健性等问题提供了巨大的潜力。
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引用次数: 0
In situ product removal 就地清除产品
Q2 Physics and Astronomy Pub Date : 2023-11-28 DOI: 10.1515/psr-2022-0111
U. A. Salas-Villalobos, Oscar Aguilar
Abstract During current years, the industrial biotechnology area has grown at giant steps, supported by the necessity of a sustainable supply chain and the inevitable depletion of petrochemical feedstocks. From this accelerated growth, the need for the development of more efficient bioprocesses in term of productivity and cost has emerged. A substantial number of bioprocesses have their potential hindered by product inhibition, a phenomenon that appears due to microbial metabolites produced in concentrations that become toxic even for the producing microorganism. In situ product recovery (ISPR) appears as a strategy to overcome such problems by primary recovery stage to the upstream, thus continuously extracting a desired or undesired target molecule from the fermentation broth as soon as it is produced. In this chapter, we will review the inherent advantages of implementing this technology in the production process, not only in terms of productivity, but also in equipment. A revision across the main the ISPR technologies can be found, explaining their main mechanisms and configurations, the appropriate scenarios to use each one and the main factors that must be considered that affect process efficiency. The chapter will be divided into three parts according to the types of ISPR that are reviewed, liquid–liquid, solid–liquid and gas–liquid techniques. Some recent trends and further perspectives for each method are also mentioned leaving space for further analysis of these technologies.
摘要 近年来,在可持续供应链的必要性和石油化工原料不可避免地枯竭的支持下,工业生物技术领域取得了长足的发展。在这一加速增长的过程中,出现了开发在生产率和成本方面更高效的生物工艺的需求。大量生物工艺的潜力受到了产品抑制的阻碍,这种现象的出现是由于微生物产生的代谢物浓度过高,甚至对生产微生物产生毒性。原位产物回收(ISPR)是一种克服此类问题的策略,它将初级回收阶段转移到上游,从而在所需或不想要的目标分子产生后立即从发酵液中持续提取出来。在本章中,我们将回顾在生产过程中采用这种技术的固有优势,不仅在生产率方面,而且在设备方面。我们将对 ISPR 的主要技术进行修订,解释其主要机制和配置、每种技术的适当使用场景以及影响工艺效率的主要因素。本章将根据所审查的 ISPR 类型(液-液、固-液和气-液技术)分为三个部分。此外,还提到了每种方法的一些最新趋势和进一步展望,为进一步分析这些技术留出了空间。
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引用次数: 0
Process intensification in biopharmaceutical process development and production – an industrial perspective 生物制药工艺开发和生产中的工艺强化-工业视角
Q2 Physics and Astronomy Pub Date : 2023-11-13 DOI: 10.1515/psr-2022-0113
Jochen Schaub, Andreas Ankenbauer, Tobias Habicher, Michael Löffler, Nicolas Maguire, Dominique Monteil, Sebastian Püngel, Lisa Stepper, Fabian Stiefel, Judith Thoma, Andreas Unsöld, Julia Walther, Christopher Wayne, Thomas Wucherpfennig
Abstract Process intensification aims to increase productivity in biologics manufacturing. Significant progress has been made in academia, the biopharmaceutical industry, and by the regulatory guidance since the 2000s. Process intensification can include all unit operations of a drug substance manufacturing process. The applied upstream concepts have consequences on the downstream process (DSP). The DSP process must manage larger product amounts while ensuring the required quality and impurity profiles, and cope with the available time frame as per scheduling requirements in a facility. Further, intensification in DSP is not based on a single technology only but rather on various technologies. This contribution provides an industry perspective on process intensification, describing basic concepts, technical and engineering aspects as well as the impact on the manufacturing process given existing facilities and a product portfolio to be manufactured. It also covers scientific approaches that support understanding and design of intensified bioprocesses. From an implementation perspective, the technologies used for intensification must be robust, scalable, and suitable for commercial manufacturing. Specific examples for a high seeding density fed batch (using N-1 perfusion) and a continuous process are provided for Chinese hamster ovary (CHO) cells producing therapeutic antibodies. Economic and sustainability aspects are addressed as well. Process intensification in an industrial environment is complex and many factors need to be considered, ranging from characteristics of a specific molecule to its commercial manufacturing at internal or external sites for global or regional markets.
工艺强化旨在提高生物制品生产的生产率。自2000年代以来,学术界、生物制药行业和监管指导都取得了重大进展。工艺强化可包括原料药生产工艺的所有单元操作。上游概念的应用会对下游过程(DSP)产生影响。DSP工艺必须管理较大的产品数量,同时确保所需的质量和杂质概况,并根据工厂的调度要求处理可用的时间框架。此外,DSP的强化不是基于单一的技术,而是基于多种技术。该贡献提供了过程强化的行业视角,描述了基本概念,技术和工程方面,以及对现有设施和要制造的产品组合的制造过程的影响。它还涵盖了支持理解和设计强化生物过程的科学方法。从实现的角度来看,用于强化的技术必须是健壮的、可扩展的,并且适合商业制造。本文提供了中国仓鼠卵巢(CHO)细胞产生治疗性抗体的高播种密度分批饲喂(使用N-1灌注)和连续过程的具体实例。经济和可持续性方面也得到了解决。工业环境中的过程强化是复杂的,需要考虑许多因素,从特定分子的特性到其在全球或区域市场的内部或外部场所的商业制造。
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引用次数: 0
Synthesis of biopolymer-polypeptide conjugates and their potential therapeutic interests 生物聚合物-多肽偶联物的合成及其潜在的治疗价值
Q2 Physics and Astronomy Pub Date : 2023-10-17 DOI: 10.1515/psr-2022-0185
Amandeep Singh, Kamlesh Kumari, Patit Paban Kundu
Abstract Biopolymer-based conjugates are widely used for numbers of biomedical applications. Materials scientists have become progressively interested in compounding biological-relevant entities with biopolymers into polymeric biohybrid framework. Biopolymer are conjugated with various fragments such as enzymes, proteins, nucleic acids as well as their analogues, peptidomimetics, peptides, fluorescent composites, avidin or streptavidin, biotin, polyethylene glycol, and various other bioactive compounds in order to serve a particular functionality in biomedical applications. In current chapter, a summary of various methods to synthesize biopolymer-peptide biohybrid conjugates and their prospective applications in biomedical field is presented.
摘要基于生物聚合物的缀合物在生物医学领域有着广泛的应用。材料科学家对将生物相关实体与生物聚合物复合成聚合物生物杂化框架越来越感兴趣。生物聚合物与各种片段如酶、蛋白质、核酸以及它们的类似物、肽模拟物、多肽、荧光复合材料、亲和素或链亲和素、生物素、聚乙二醇和各种其他生物活性化合物偶联,以便在生物医学应用中具有特定的功能。本章综述了生物聚合物-多肽生物杂化偶联物的各种合成方法及其在生物医学领域的应用前景。
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引用次数: 0
Biopolymeric conjugation with metals and their applications 生物聚合物与金属的偶联及其应用
Q2 Physics and Astronomy Pub Date : 2023-10-17 DOI: 10.1515/psr-2022-0189
Sriparna Ray
Abstract The pressing priority in designing sustainable materials has to focus on decreasing dependence on fossil fuel as well as utilization of environmentally friendly bio-based resources. In this respect, materials derived from biopolymers are competent in both aspects. While these materials tend to be biocompatible and biodegradable, they can be cultivated from natural renewable resources. To incorporate specific functionalities, these biopolymers can be chemically modified to form the metal based biopolymeric conjugates. Often these conjugates are designed as nano-entities, thereby, leading to their unique inherent properties. Characterization of these biopolymeric conjugates of metals encompass interdisciplinary analytical techniques like, UV–visible (UV–vis) spectroscopy, Fourier transform infrared (FT-IR) spectroscopy, elemental (CHN) analysis, scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy dispersive X-ray (EDX) spectroscopy, X-ray diffraction (XRD) analysis, etc. In terms of applications, a wide variety of activity has been discovered by various research groups and hence these hybrid materials can be utilized as medications, pharmaceuticals, chemical catalysts, food packaging, electronics, and many more. Herein, a brief overview of different biopolymeric conjugates of diverse metals has been given, whereby their synthesis, characterization as well as their specific applications have been reviewed.
设计可持续材料的当务之急是减少对化石燃料的依赖,以及对环境友好的生物基资源的利用。在这方面,来自生物聚合物的材料在这两个方面都是胜任的。虽然这些材料往往具有生物相容性和可生物降解性,但它们可以从自然可再生资源中培养出来。为了结合特定的功能,这些生物聚合物可以通过化学修饰形成金属基生物聚合物缀合物。通常这些共轭物被设计成纳米实体,从而导致它们独特的固有性质。这些金属的生物聚合物共轭物的表征包括跨学科的分析技术,如紫外-可见(UV-vis)光谱,傅里叶变换红外(FT-IR)光谱,元素(CHN)分析,扫描电子显微镜(SEM),透射电子显微镜(TEM),能量色散x射线(EDX)光谱,x射线衍射(XRD)分析等。在应用方面,各种研究小组已经发现了各种各样的活性,因此这些混合材料可以用作药物、药品、化学催化剂、食品包装、电子产品等等。本文对不同金属的生物聚合物缀合物的合成、表征及其具体应用进行了综述。
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引用次数: 0
Book 1. Biopolymer conjugates industrial applications Chapter 1. Biopolymeric conjugation with thermoplastics and applications 书1。生物聚合物偶联物的工业应用生物聚合物与热塑性塑料的偶联及其应用
Q2 Physics and Astronomy Pub Date : 2023-10-17 DOI: 10.1515/psr-2022-0180
Witta Kartika Restu, Muhammad Ghozali, Evi Triwulandari, Yulianti Sampora, Melati Septiyanti, Yenny Meliana, Sun Theo C. L. Ndruru, Muhammad Ihsan Sofyan, Nanang Masruchin, Anita Marlina
Abstract Biopolymers are natural polymers manufactured chemically or generated from biological materials. Biopolymers are a renewable and biodegradable resource. They can be found in various applications in food, manufacturing, packaging, and biomedical engineering industries. Biopolymers are attractive materials due to biocompatibility, biodegradability, natural abundance, and specific properties such as non-toxicity. Biopolymers can be classed on a variety of scales, including origin, the number of monomeric units, the basis of degradability, and heat response. Biopolymers have a wide range of uses due to their unique characteristics and topologies. Biopolymers are reinforced with diverse elements to improve their intended characteristics and practical applications. There is a conjugation of biopolymer with thermoplastic materials. Thermoplastic or thermoset plastic is a form of plastic polymer material that can be molded at a high temperature and solidifies upon cooling. Polylactic acid, polycarbonate, polyethylene, polypropylene, polyvinyl alcohol, and polyester are among the many thermoplastics. These thermoplastics were combined with biopolymers to increase their physical, mechanical, and thermal qualities. The works that investigated the conjugation of thermoplastic materials to biopolymers were discussed in this chapter.
摘要:生物聚合物是由生物材料化学制造或产生的天然聚合物。生物聚合物是一种可再生、可生物降解的资源。它们可以在食品、制造、包装和生物医学工程行业的各种应用中找到。生物聚合物因其生物相容性、可生物降解性、天然丰度和无毒性等特性而成为极具吸引力的材料。生物聚合物可以在各种尺度上分类,包括来源、单体单位的数量、可降解性的基础和热反应。生物聚合物由于其独特的特性和拓扑结构而具有广泛的用途。生物聚合物是加强与不同的元素,以提高其预期的特性和实际应用。生物高聚物与热塑性材料的结合。热塑性塑料或热固性塑料是一种塑料聚合物材料,可以在高温下成型,冷却后固化。聚乳酸、聚碳酸酯、聚乙烯、聚丙烯、聚乙烯醇和聚酯是许多热塑性塑料中的一种。这些热塑性塑料与生物聚合物相结合,以提高其物理,机械和热质量。本章讨论了热塑性材料与生物高聚物共轭的研究工作。
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引用次数: 0
Global organic acids production and their industrial applications 全球有机酸生产及其工业应用
Q2 Physics and Astronomy Pub Date : 2023-10-13 DOI: 10.1515/psr-2022-0157
Mansha Ghai, Nivedita Agnihotri, Vikas Kumar, Rajesh Agnihotri, Amit Kumar, Komal Sahu
Abstract Organic acids are key to the biological, physical, and chemical functions of the life. These acids naturally occur in animals, foods, and microorganisms. Their molecular configurations drive several physical characteristics imperative to well-being. Organic acids are applied in the pharmaceutical, cosmetic, cleaning and food industries. For decades, natural and chemical production of organic acids has thrived, however microbial fermentation has been considered environmentally sustainable approach. Various low-cost substrates are employed as substrate during microbial fermentation. The organic acids production from microbial origin account for the majority of the acids produced on a large industrial basis. Numerous organic acids from bacterial and fungal origin have significance and their biological production offers clear benefits as compared to chemical synthesis in terms of cost. The article illustrates a brief description of the various organic acids in a systematic way along with a survey on the relative production methods.
有机酸是生命的生物、物理和化学功能的关键。这些酸自然存在于动物、食物和微生物中。它们的分子结构驱动了一些对健康至关重要的身体特征。有机酸应用于制药、化妆品、清洁和食品行业。几十年来,有机酸的自然和化学生产蓬勃发展,然而微生物发酵一直被认为是环境可持续的方法。在微生物发酵过程中,各种低成本的底物被用作底物。在大型工业生产中,微生物生产的有机酸占大部分。许多来自细菌和真菌的有机酸具有重要意义,与化学合成相比,它们的生物生产在成本方面具有明显的优势。本文系统地对各种有机酸作了简要介绍,并对其生产方法进行了综述。
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引用次数: 0
Itaconic acid: microbial production using organic wastes as cost-effective substrates 衣康酸:微生物生产利用有机废物作为具有成本效益的底物
Q2 Physics and Astronomy Pub Date : 2023-10-05 DOI: 10.1515/psr-2022-0164
Meena Sindhu, Shikha Mehta, Shubham Kumar, Baljeet Singh Saharan, Kamla Malik, Monika Kayasth, Sushil Nagar
Abstract Itaconic acid is one of industrially important organic acid having wide application in environmental protection, food and textile industries. Microorganisms mainly fungi have vast potential to be exploited for itaconic acid production. But low yield and higher cost of production are major drawback creating a settle back for industrial production. This problem can be solved by using low cost organic waste as substrate. This review summarizes recent research on production of itaconic acid using organic wastes, microorganisms involved, extraction, application and problem faced during utilization of agro-industrial wastes.
衣康酸是一种重要的工业有机酸,在环保、食品、纺织等行业有着广泛的应用。以真菌为主的微生物在衣康酸生产中具有巨大的开发潜力。但低产量和高生产成本是主要的缺点,造成了工业生产的回落。这个问题可以通过使用低成本的有机废物作为基质来解决。综述了近年来利用有机废弃物生产衣康酸的研究进展、涉及的微生物、提取、应用以及农工废弃物利用中面临的问题。
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引用次数: 0
Frontmatter 头版头条
Q2 Physics and Astronomy Pub Date : 2023-10-01 DOI: 10.1515/psr-2023-frontmatter10
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引用次数: 0
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