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Layered Double Hydroxide Drug Delivery Systems
Research Guide

What is Layered Double Hydroxide Drug Delivery Systems?

Layered Double Hydroxide Drug Delivery Systems use LDH nanocarriers to encapsulate and release nucleic acids, anticancer drugs, and proteins through co-precipitation and layer-by-layer assembly with pH-responsive and biocompatible properties.

LDH-based systems deliver therapeutics via intercalation into interlayer spaces or surface adsorption. Research evaluates bioavailability, toxicity, and targeted release in cancer models (Zhang et al., 2014, 114 citations; Kura et al., 2014, 91 citations). Over 10 key papers since 2013 demonstrate applications in siRNA, methotrexate, and MRI-guided delivery.

Curated Papers

Key Challenges

Why It Matters

LDH nanocarriers enable targeted anticancer drug delivery, reducing systemic toxicity; for example, mannose-conjugated LDHs enhance siRNA uptake in cancer cells (Li et al., 2017, 70 citations). In orthotopic breast cancer models, LDH-methotrexate hybrids overcome drug resistance and short half-life (Choi et al., 2014, 66 citations). Biopolymer-coated LDHs improve colloidal stability for protein delivery, supporting clinical translation (Pavlović et al., 2022, 74 citations). Gadolinium-LDH carriers combine MRI imaging with drug release (Usman et al., 2017, 69 citations).

Key Research Challenges

Colloidal Stability in Serum

LDH nanoparticles aggregate in biological media, limiting circulation time. Phosphonic acid-PEG coatings enhance stability and protein resistance (Cao et al., 2018, 71 citations). Uncoated LDHs show rapid clearance and reduced efficacy.

Toxicity and Biocompatibility

Long-term LDH toxicity requires assessment in vivo. Studies confirm low toxicity with proper surface modification but highlight bio-distribution concerns (Kura et al., 2014, 91 citations; Bullo et al., 2015, 70 citations).

pH-Responsive Release Control

Achieving precise drug release at tumor pH (5-6) versus physiological pH (7.4) remains challenging. Layer-by-layer assemblies improve control, but kinetics vary by cargo (Bao et al., 2016, 122 citations).

Essential Papers

Layered Double Hydroxide Nanotransporter for Molecule Delivery to Intact Plant Cells

Wenlong Bao, Junya Wang, Qiang Wang et al. · 2016 · Scientific Reports · 122 citations

Potential for Layered Double Hydroxides-Based, Innovative Drug Delivery Systems

Kai Zhang, Zhi Ping Xu, Ji Lu et al. · 2014 · International Journal of Molecular Sciences · 114 citations

Layered Double Hydroxides (LDHs)-based drug delivery systems have, for many years, shown great promises for the delivery of chemical therapeutics and bioactive molecules to mammalian cells in vitro...

Layered double hydroxide nanocomposite for drug delivery systems; bio-distribution, toxicity and drug activity enhancement

Aminu Umar Kura, Mohd Zobir Hussein, Sharida Fakurazi et al. · 2014 · Chemistry Central Journal · 91 citations

Inorganic–inorganic nanohybrids for drug delivery, imaging and photo-therapy: recent developments and future scope

Goeun Choi, N. Sanoj Rejinold, Huiyan Piao et al. · 2021 · Chemical Science · 84 citations

The present review will be detailing about trending inorganic–inorganic nanohybrids that have been used for various biomedical applications including drug-delivery, bio-imaging and photo therapy.

Surface modification of two-dimensional layered double hydroxide nanoparticles with biopolymers for biomedical applications

Marko Pavlović, Adél Szerlauth, Szabolcs Muráth et al. · 2022 · Advanced Drug Delivery Reviews · 74 citations

Enhanced colloidal stability and protein resistance of layered double hydroxide nanoparticles with phosphonic acid-terminated PEG coating for drug delivery

Zhenbang Cao, Nik Nik M. Adnan, Guoying Wang et al. · 2018 · Journal of Colloid and Interface Science · 71 citations

Mannose-conjugated layered double hydroxide nanocomposite for targeted siRNA delivery to enhance cancer therapy

Li Li, Run Zhang, Wenyi Gu et al. · 2017 · Nanomedicine Nanotechnology Biology and Medicine · 70 citations

Reading Guide

Foundational Papers

Start with Zhang et al. (2014, 114 citations) for LDH-drug overview and Kura et al. (2014, 91 citations) for toxicity/biodistribution; then Choi et al. (2014, 66 citations) for tumor targeting.

Recent Advances

Study Pavlović et al. (2022, 74 citations) on biopolymer coatings; Choi et al. (2021, 84 citations) on inorganic hybrids; Cao et al. (2018, 71 citations) on PEG stability.

Core Methods

Core techniques: ion-exchange/co-precipitation for loading (Barahuie et al., 2013); layer-by-layer for hybrids (Bao et al., 2016); PEG-phosphonate coating (Cao et al., 2018).

How PapersFlow Helps You Research Layered Double Hydroxide Drug Delivery Systems

Discover & Search

Research Agent uses searchPapers and exaSearch to find LDH drug delivery papers by querying 'layered double hydroxide siRNA delivery', retrieving Zhang et al. (2014, 114 citations) as top result. citationGraph maps connections from Kura et al. (2014) to recent works like Pavlović et al. (2022). findSimilarPapers expands from Li et al. (2017) mannose-LDH to 50+ targeted delivery studies.

Analyze & Verify

Analysis Agent applies readPaperContent to extract release kinetics from Cao et al. (2018), then runPythonAnalysis with pandas to plot pH-dependent stability data from abstracts. verifyResponse (CoVe) cross-checks claims against 10 papers; GRADE grading scores evidence strength for toxicity claims in Kura et al. (2014).

Synthesize & Write

Synthesis Agent detects gaps like 'PEG-LDH for nucleic acids' via contradiction flagging across Choi et al. (2014) and Li et al. (2017). Writing Agent uses latexEditText to draft LDH release mechanisms, latexSyncCitations for 20 papers, and latexCompile for figures; exportMermaid generates pH-response flowcharts.

Use Cases

"Analyze pH-release curves from LDH drug papers and plot average kinetics"

Research Agent → searchPapers('LDH pH-responsive release') → Analysis Agent → readPaperContent (Cao et al. 2018 + Bao et al. 2016) → runPythonAnalysis (pandas/matplotlib for curve fitting) → researcher gets overlaid release plots with R² stats.

"Write LaTeX review on LDH-siRNA delivery with citations and stability diagram"

Research Agent → citationGraph (Li et al. 2017 hub) → Synthesis Agent → gap detection → Writing Agent → latexEditText (intro/methods) → latexSyncCitations (10 papers) → latexCompile + exportMermaid (stability diagram) → researcher gets PDF with diagram.

"Find open-source code for LDH nanoparticle simulation from papers"

Research Agent → searchPapers('LDH drug delivery simulation') → Code Discovery → paperExtractUrls → paperFindGithubRepo → githubRepoInspect → researcher gets Python sim code for co-precipitation kinetics linked to Zhang et al. (2014).

Automated Workflows

Deep Research workflow conducts systematic review: searchPapers(250M corpus) → citationGraph(LDH-drug clusters) → DeepScan(7-step analysis of 20 papers like Kura et al. 2014) → structured report on toxicity. Theorizer generates hypotheses like 'mannose-LDH for liver targeting' from Li et al. (2017) + Usman et al. (2017), verified via CoVe.

Try Doxa for Layered Double Hydroxide Drug Delivery Systems Research

Frequently Asked Questions

What defines LDH drug delivery systems?

LDH nanocarriers intercalate drugs via co-precipitation or adsorb via layer-by-layer for pH-responsive release (Zhang et al., 2014).

What are main preparation methods?

Co-precipitation for intercalation and surface modification with PEG or biopolymers for stability (Cao et al., 2018; Pavlović et al., 2022).

What are key papers?

Top cited: Bao et al. (2016, 122 citations) on plant delivery; Zhang et al. (2014, 114 citations) on mammalian systems; Kura et al. (2014, 91 citations) on toxicity.