About
Undergraduate at the College of Computer Science and Technology, Jilin University.
My work sits at the intersection of computational biology and machine learning: combining geometric and physical priors with deep learning to predict the 3D structure of RNA — circular RNA in particular — and to map those structures onto immune activity and drug design. I also work on multimodal micro-expression recognition and bio-inspired agent architectures.
Currently on the dry-lab side of iGEM 2026 team JLU-FBH.
Research
3D structure of circRNA
Circular RNAs lack 5′/3′ termini, so standard linear folding pipelines do not apply directly. This line of work builds a geometric representation on a toroidal manifold — secondary-structure consensus, segmented multi-predictor folding, coarse-grained replica-exchange and metadynamics sampling — followed by all-atom reconstruction and validation.
Structure → immune fingerprints
Turning predicted 3D structures into computable immune-related fingerprints (PKR binding, m6A modification, TLR7 recognition, NLRP3 inflammasome, miRNA sponging) so that structure becomes an intermediate quantity downstream pharmacokinetic and immune-response models can consume directly.
Small-sample drug discovery
Adaptive mixture-of-experts architectures combined with explicit pharmacokinetic dynamics, aimed at screening circular RNA therapeutic candidates under small-sample conditions.
Micro-expression recognition
A bio-inspired dual-channel micro-expression recognition system using a biologically motivated mixture-of-experts structure (BioMoE) to handle fine-grained temporal variation in facial action units.
Research Work
Torusfold-physics
A physics-based pipeline for long circRNA: secondary-structure consensus, segmented multi-predictor folding, coarse-grained REMD + metadynamics, all-atom reconstruction. Ships a 2,013 nt all-atom model together with the checks that re-derive its reported numbers.
TorusFold-scheme2-rl · torusfold-preview
A branch of the work that reconstructs structure on a toroidal topology: long-range pairs are identified by graph distance, and MCTS plus a policy network fill in the pairings that local optima tend to miss.
TorusFold-repro
Starting from a single circRNA sequence, produces scoring JSON identical to the server endpoint (physical / immune / circDesign / rsRNASP1) plus 3D structures (coarse-grained and all-atom PDB). Contains everything needed for reproduction and nothing that is not.
confluencia · Confluencia-3.0
An adaptive mixture-of-experts framework for small-sample circRNA drug discovery that models pharmacokinetic dynamics explicitly inside the inference chain, integrated with multi-scale tumour-evolution simulation (including PhysiCell co-simulation).
confluencia-nomad-addon
A Confluencia add-on for Project N.O.M.A.D, bringing circRNA therapeutic candidate screening to offline-first environments.
Censor-MER
Micro-expression recognition with dual-channel feature extraction and a biologically inspired mixture-of-experts structure.
BenchSide
A system for predicting social resilience among graduate students without centralising raw data: federated graph neural networks model the social-support structure, aligned with safety-constrained reinforcement learning from human feedback.
bioease
An end-to-end toolkit covering TCGA data retrieval, differential expression analysis, and survival analysis.
Archiva · IGEM-DryLab-Ambassador
A conversational agent for iGEM dry-lab outreach: local deployment, retrieval-augmented knowledge-base QA, emotional modelling, and live-stream interaction on Bilibili — built to explain the team's research to a non-specialist audience.
Civis Lucri-Faber
An agent architecture built from biologically motivated mechanisms — curiosity, meta-learning, neuromodulation, epigenetic and metabolic constraints among a dozen others — decomposed into pluggable modules so their effect on long-horizon behaviour can be studied.
manatrix
An LLM-driven password-guessing and automated penetration-testing framework: MAMBA + differential evolution + LLMs for credential generation, with RAG and multi-expert coordination orchestrating the testing workflow.
Models & Datasets
- Qwen-3.6-35B-A3B-joyfox-RP-NSFW — An NSFW roleplay LoRA fine-tune (PEFT) on top of Qwen-3.6-35B-A3B-joyfox-RP; weights not uploaded yet.
Hardware
GMKtec EVO-X3
Experience
iGEM 2026 · Team JLU-FBH
Dry-lab member of Jilin University's iGEM 2026 team JLU-FBH: designed and implemented the circular RNA 3D structure prediction pipeline (TorusFold) together with its reproducible toolchain.
Project repository: gitlab.igem.org/2026/software/jlu-fbh/torusfold-hybrid
Other Projects
- Collegium — A-share quantitative trading system: data, factors, strategy, risk control, backtesting, execution
- ai-desktop-pet — AI desktop pet with emotion and memory systems plus TTS; doubles as a Bilibili virtual streamer
- paper-search-tool — AI-driven literature search and organisation with multi-model inference fusion
- ppt-agent — AI-driven slide-deck draft generator
- llamafactory-packager — One-click Windows packager for the LlamaFactory WebUI
- web-crawler-v2 — Site automation crawler with CAPTCHA OCR and auto-clicking
- skill-manager · skill-repo — Packaging research-project workflows into reusable automation skills
- government-intervention-ml — A methodological demonstration operationalising political-economy theory into ML features (parameters calibrated from published research; simulated data)
- cancer-game — Text adventure where you command immune cells against cancer cells
- berlin-tank-commander — WWII-themed text adventure
- GalgameTemplate — Ren'Py visual-novel template (affection, achievements, branching endings)
- Fuck-you-AMD — A bug report on non-deterministic memory corruption with ROCm 7.x + PyTorch on the AMD Radeon 8060S (gfx1151 / RDNA 3.5): reduction ops return garbage (~10^50) roughly 20% of the time and the backward pass yields NaN, making training impossible. Includes full reproduction and analysis.
- AI Town — A pixel-art life simulation where the townsfolk are driven by an LLM (Godot 4.7 / GDScript). Each resident has a personality, occupation, relationships and memory, and decides where to go, what to do and whom to talk to based on the situation.
- character-chat — A terminal-based AI character roleplay application: customisable personality and background, narrative time progression and natural scene transitions, powered by the DeepSeek API.
- weixin-decyptor-for-new-weixin — Technical notes on the database key scheme change in recent WeChat builds (4.1.11+): regression diagnostics, a tested FTS fallback, and a work-in-progress static-offset derivation tool. The repository explicitly does not ship a complete key extractor.
Contact
Happy to talk about circRNA structure prediction, computational pharmacology, or anything adjacent.
- Email: 18806370529@163.com
- GitHub: @RomanCohort
- Hugging Face: RomanCohort
- ORCID: 0009-0007-8127-8037
- LinkedIn: Ziyi Yan